vim: src/diff.c annotate

annotate src/diff.c @ 25961:a21a47c83e0c v8.2.3514

patch 8.2.3514: autoread test with nano second time sometimes fails Commit: https://github.com/vim/vim/commit/eaa006dae3d5730e3b6dead27905444998b2cf8e Author: Bram Moolenaar <Bram@vim.org> Date: Fri Oct 15 17:09:50 2021 +0100 patch 8.2.3514: autoread test with nano second time sometimes fails Problem: Autoread test with nano second time sometimes fails. Solution: Mark the test as being flaky.

author	Bram Moolenaar <Bram@vim.org>
date	Fri, 15 Oct 2021 18:15:03 +0200
parents	d3f992bc6ef8
children	2e8226c03007

rev	line source
10042 4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Christian Brabandt <cb@256bit.org> parents: 10013 diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3 * VIM - Vi IMproved by Bram Moolenaar
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	4 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	5 * Do ":help uganda" in Vim to read copying and usage conditions.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	6 * Do ":help credits" in Vim to see a list of people who contributed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	7 * See README.txt for an overview of the Vim source code.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	8 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	9
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	10 /*
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	11 * diff.c: code for diff'ing two, three or four buffers.
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	12 *
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	13 * There are three ways to diff:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	14 * - Shell out to an external diff program, using files.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	15 * - Use the compiled-in xdiff library.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	16 * - Let 'diffexpr' do the work, using files.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	17 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	18
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	19 #include "vim.h"
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	20 #include "xdiff/xdiff.h"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	21
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	22 #if defined(FEAT_DIFF) \|\| defined(PROTO)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	23
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	24 static int diff_busy = FALSE; // using diff structs, don't change them
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	25 static int diff_need_update = FALSE; // ex_diffupdate needs to be called
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	26
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	27 // flags obtained from the 'diffopt' option
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	28 #define DIFF_FILLER 0x001 // display filler lines
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	29 #define DIFF_IBLANK 0x002 // ignore empty lines
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	30 #define DIFF_ICASE 0x004 // ignore case
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	31 #define DIFF_IWHITE 0x008 // ignore change in white space
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	32 #define DIFF_IWHITEALL 0x010 // ignore all white space changes
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	33 #define DIFF_IWHITEEOL 0x020 // ignore change in white space at EOL
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	34 #define DIFF_HORIZONTAL 0x040 // horizontal splits
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	35 #define DIFF_VERTICAL 0x080 // vertical splits
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	36 #define DIFF_HIDDEN_OFF 0x100 // diffoff when hidden
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	37 #define DIFF_INTERNAL 0x200 // use internal xdiff algorithm
18590 41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	38 #define DIFF_CLOSE_OFF 0x400 // diffoff when closing window
23895 e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	39 #define DIFF_FOLLOWWRAP 0x800 // follow the wrap option
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	40 #define ALL_WHITE_DIFF (DIFF_IWHITE \| DIFF_IWHITEALL \| DIFF_IWHITEEOL)
18590 41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	41 static int diff_flags = DIFF_INTERNAL \| DIFF_FILLER \| DIFF_CLOSE_OFF;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	42
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	43 static long diff_algorithm = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	44
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	45 #define LBUFLEN 50 // length of line in diff file
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	46
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	47 static int diff_a_works = MAYBE; // TRUE when "diff -a" works, FALSE when it
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	48 // doesn't work, MAYBE when not checked yet
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	49 #if defined(MSWIN)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	50 static int diff_bin_works = MAYBE; // TRUE when "diff --binary" works, FALSE
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	51 // when it doesn't work, MAYBE when not
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	52 // checked yet
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	53 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	54
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	55 // used for diff input
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	56 typedef struct {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	57 char_u *din_fname; // used for external diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	58 mmfile_t din_mmfile; // used for internal diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	59 } diffin_T;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	60
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	61 // used for diff result
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	62 typedef struct {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	63 char_u *dout_fname; // used for external diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	64 garray_T dout_ga; // used for internal diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	65 } diffout_T;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	66
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	67 // two diff inputs and one result
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	68 typedef struct {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	69 diffin_T dio_orig; // original file input
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	70 diffin_T dio_new; // new file input
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	71 diffout_T dio_diff; // diff result
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	72 int dio_internal; // using internal diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	73 } diffio_T;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	74
7799 af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	75 static int diff_buf_idx(buf_T *buf);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	76 static int diff_buf_idx_tp(buf_T buf, tabpage_T tp);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	77 static void diff_mark_adjust_tp(tabpage_T *tp, int idx, linenr_T line1, linenr_T line2, long amount, long amount_after);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	78 static void diff_check_unchanged(tabpage_T tp, diff_T dp);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	79 static int diff_check_sanity(tabpage_T tp, diff_T dp);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	80 static int check_external_diff(diffio_T *diffio);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	81 static int diff_file(diffio_T *diffio);
7799 af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	82 static int diff_equal_entry(diff_T *dp, int idx1, int idx2);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	83 static int diff_cmp(char_u s1, char_u s2);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	84 #ifdef FEAT_FOLDING
7799 af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	85 static void diff_fold_update(diff_T *dp, int skip_idx);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	86 #endif
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	87 static void diff_read(int idx_orig, int idx_new, diffout_T *fname);
7799 af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	88 static void diff_copy_entry(diff_T dprev, diff_T dp, int idx_orig, int idx_new);
af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	89 static diff_T diff_alloc_new(tabpage_T tp, diff_T dprev, diff_T dp);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	90 static int parse_diff_ed(char_u line, linenr_T lnum_orig, long count_orig, linenr_T lnum_new, long *count_new);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	91 static int parse_diff_unified(char_u line, linenr_T lnum_orig, long count_orig, linenr_T lnum_new, long *count_new);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	92 static int xdiff_out(void priv, mmbuffer_t mb, int nbuf);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	93
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	94 #define FOR_ALL_DIFFBLOCKS_IN_TAB(tp, dp) \
435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	95 for ((dp) = (tp)->tp_first_diff; (dp) != NULL; (dp) = (dp)->df_next)
435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	96
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	97 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	98 * Called when deleting or unloading a buffer: No longer make a diff with it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	99 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	100 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	101 diff_buf_delete(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	102 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	103 int i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	104 tabpage_T *tp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	105
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	106 FOR_ALL_TABPAGES(tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	107 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	108 i = diff_buf_idx_tp(buf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	109 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	110 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	111 tp->tp_diffbuf[i] = NULL;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	112 tp->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	113 if (tp == curtab)
0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	114 diff_redraw(TRUE);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	115 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	116 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	117 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	118
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	119 /*
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	120 * Check if the current buffer should be added to or removed from the list of
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	121 * diff buffers.
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	122 */
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	123 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	124 diff_buf_adjust(win_T *win)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	125 {
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	126 win_T *wp;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	127 int i;
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	128
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	129 if (!win->w_p_diff)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	130 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	131 // When there is no window showing a diff for this buffer, remove
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	132 // it from the diffs.
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	133 FOR_ALL_WINDOWS(wp)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	134 if (wp->w_buffer == win->w_buffer && wp->w_p_diff)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	135 break;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	136 if (wp == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	137 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	138 i = diff_buf_idx(win->w_buffer);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	139 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	140 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	141 curtab->tp_diffbuf[i] = NULL;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	142 curtab->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	143 diff_redraw(TRUE);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	144 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	145 }
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	146 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	147 else
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	148 diff_buf_add(win->w_buffer);
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	149 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	150
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	151 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	152 * Add a buffer to make diffs for.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	153 * Call this when a new buffer is being edited in the current window where
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	154 * 'diff' is set.
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	155 * Marks the current buffer as being part of the diff and requiring updating.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	156 * This must be done before any autocmd, because a command may use info
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	157 * about the screen contents.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	158 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	159 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	160 diff_buf_add(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	161 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	162 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	163
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	164 if (diff_buf_idx(buf) != DB_COUNT)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	165 return; // It's already there.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	166
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	167 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	168 if (curtab->tp_diffbuf[i] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	169 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	170 curtab->tp_diffbuf[i] = buf;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	171 curtab->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	172 diff_redraw(TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	173 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	174 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	175
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	176 semsg(_("E96: Cannot diff more than %d buffers"), DB_COUNT);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	177 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	178
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	179 /*
10821 d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	180 * Remove all buffers to make diffs for.
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	181 */
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	182 static void
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	183 diff_buf_clear(void)
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	184 {
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	185 int i;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	186
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	187 for (i = 0; i < DB_COUNT; ++i)
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	188 if (curtab->tp_diffbuf[i] != NULL)
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	189 {
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	190 curtab->tp_diffbuf[i] = NULL;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	191 curtab->tp_diff_invalid = TRUE;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	192 diff_redraw(TRUE);
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	193 }
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	194 }
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	195
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	196 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	197 * Find buffer "buf" in the list of diff buffers for the current tab page.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	198 * Return its index or DB_COUNT if not found.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	199 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	200 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	201 diff_buf_idx(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	202 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	203 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	204
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	205 for (idx = 0; idx < DB_COUNT; ++idx)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	206 if (curtab->tp_diffbuf[idx] == buf)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	207 break;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	208 return idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	209 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	210
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	211 /*
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	212 * Find buffer "buf" in the list of diff buffers for tab page "tp".
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	213 * Return its index or DB_COUNT if not found.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	214 */
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	215 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	216 diff_buf_idx_tp(buf_T buf, tabpage_T tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	217 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	218 int idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	219
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	220 for (idx = 0; idx < DB_COUNT; ++idx)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	221 if (tp->tp_diffbuf[idx] == buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	222 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	223 return idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	224 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	225
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	226 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	227 * Mark the diff info involving buffer "buf" as invalid, it will be updated
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	228 * when info is requested.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	229 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	230 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	231 diff_invalidate(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	232 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	233 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	234 int i;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	235
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	236 FOR_ALL_TABPAGES(tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	237 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	238 i = diff_buf_idx_tp(buf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	239 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	240 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	241 tp->tp_diff_invalid = TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	242 if (tp == curtab)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	243 diff_redraw(TRUE);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	244 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	245 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	246 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	247
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	248 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	249 * Called by mark_adjust(): update line numbers in "curbuf".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	250 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	251 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	252 diff_mark_adjust(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	253 linenr_T line1,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	254 linenr_T line2,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	255 long amount,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	256 long amount_after)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	257 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	258 int idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	259 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	260
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	261 // Handle all tab pages that use the current buffer in a diff.
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	262 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	263 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	264 idx = diff_buf_idx_tp(curbuf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	265 if (idx != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	266 diff_mark_adjust_tp(tp, idx, line1, line2, amount, amount_after);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	267 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	268 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	269
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	270 /*
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	271 * Update line numbers in tab page "tp" for "curbuf" with index "idx".
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	272 * This attempts to update the changes as much as possible:
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	273 * When inserting/deleting lines outside of existing change blocks, create a
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	274 * new change block and update the line numbers in following blocks.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	275 * When inserting/deleting lines in existing change blocks, update them.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	276 */
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	277 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	278 diff_mark_adjust_tp(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	279 tabpage_T *tp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	280 int idx,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	281 linenr_T line1,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	282 linenr_T line2,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	283 long amount,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	284 long amount_after)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	285 {
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	286 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	287 diff_T *dprev;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	288 diff_T *dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	289 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	290 int inserted, deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	291 int n, off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	292 linenr_T last;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	293 linenr_T lnum_deleted = line1; // lnum of remaining deletion
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	294 int check_unchanged;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	295
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	296 if (diff_internal())
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	297 {
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	298 // Will update diffs before redrawing. Set _invalid to update the
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	299 // diffs themselves, set _update to also update folds properly just
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	300 // before redrawing.
14972 5d52b21b2e7f patch 8.1.0497: :%diffput changes order of lines Bram Moolenaar <Bram@vim.org> parents: 14893 diff changeset	301 // Do update marks here, it is needed for :%diffput.
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	302 tp->tp_diff_invalid = TRUE;
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	303 tp->tp_diff_update = TRUE;
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	304 }
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	305
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	306 if (line2 == MAXLNUM)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	307 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	308 // mark_adjust(99, MAXLNUM, 9, 0): insert lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	309 inserted = amount;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	310 deleted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	311 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	312 else if (amount_after > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	313 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	314 // mark_adjust(99, 98, MAXLNUM, 9): a change that inserts lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	315 inserted = amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	316 deleted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	317 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	318 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	319 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	320 // mark_adjust(98, 99, MAXLNUM, -2): delete lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	321 inserted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	322 deleted = -amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	323 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	324
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	325 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	326 dp = tp->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	327 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	328 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	329 // If the change is after the previous diff block and before the next
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	330 // diff block, thus not touching an existing change, create a new diff
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	331 // block. Don't do this when ex_diffgetput() is busy.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	332 if ((dp == NULL \|\| dp->df_lnum[idx] - 1 > line2
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	333 \|\| (line2 == MAXLNUM && dp->df_lnum[idx] > line1))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	334 && (dprev == NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	335 \|\| dprev->df_lnum[idx] + dprev->df_count[idx] < line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	336 && !diff_busy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	337 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	338 dnext = diff_alloc_new(tp, dprev, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	339 if (dnext == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	340 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	341
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	342 dnext->df_lnum[idx] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	343 dnext->df_count[idx] = inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	344 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	345 if (tp->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	346 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	347 if (dprev == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	348 dnext->df_lnum[i] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	349 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	350 dnext->df_lnum[i] = line1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	351 + (dprev->df_lnum[i] + dprev->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	352 - (dprev->df_lnum[idx] + dprev->df_count[idx]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	353 dnext->df_count[i] = deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	354 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	355 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	356
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	357 // if at end of the list, quit
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	358 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	359 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	360
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	361 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	362 * Check for these situations:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	363 * 1 2 3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	364 * 1 2 3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	365 * line1 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	366 * 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	367 * 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	368 * line2 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	369 * 3 5 6
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	370 * 3 5 6
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	371 */
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	372 // compute last line of this change
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	373 last = dp->df_lnum[idx] + dp->df_count[idx] - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	374
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	375 // 1. change completely above line1: nothing to do
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	376 if (last >= line1 - 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	377 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	378 // 6. change below line2: only adjust for amount_after; also when
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	379 // "deleted" became zero when deleted all lines between two diffs
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	380 if (dp->df_lnum[idx] - (deleted + inserted != 0) > line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	381 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	382 if (amount_after == 0)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	383 break; // nothing left to change
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	384 dp->df_lnum[idx] += amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	385 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	386 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	387 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	388 check_unchanged = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	389
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	390 // 2. 3. 4. 5.: inserted/deleted lines touching this diff.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	391 if (deleted > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	392 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	393 if (dp->df_lnum[idx] >= line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	394 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	395 off = dp->df_lnum[idx] - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	396 if (last <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	397 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	398 // 4. delete all lines of diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	399 if (dp->df_next != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	400 && dp->df_next->df_lnum[idx] - 1 <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	401 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	402 // delete continues in next diff, only do
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	403 // lines until that one
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	404 n = dp->df_next->df_lnum[idx] - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	405 deleted -= n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	406 n -= dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	407 lnum_deleted = dp->df_next->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	408 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	409 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	410 n = deleted - dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	411 dp->df_count[idx] = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	412 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	413 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	414 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	415 // 5. delete lines at or just before top of diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	416 n = off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	417 dp->df_count[idx] -= line2 - dp->df_lnum[idx] + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	418 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	419 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	420 dp->df_lnum[idx] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	421 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	422 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	423 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	424 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	425 if (last < line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	426 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	427 // 2. delete at end of diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	428 dp->df_count[idx] -= last - lnum_deleted + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	429 if (dp->df_next != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	430 && dp->df_next->df_lnum[idx] - 1 <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	431 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	432 // delete continues in next diff, only do
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	433 // lines until that one
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	434 n = dp->df_next->df_lnum[idx] - 1 - last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	435 deleted -= dp->df_next->df_lnum[idx]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	436 - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	437 lnum_deleted = dp->df_next->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	438 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	439 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	440 n = line2 - last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	441 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	442 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	443 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	444 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	445 // 3. delete lines inside the diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	446 n = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	447 dp->df_count[idx] -= deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	448 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	449 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	450
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	451 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	452 if (tp->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	453 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	454 dp->df_lnum[i] -= off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	455 dp->df_count[i] += n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	456 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	457 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	458 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	459 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	460 if (dp->df_lnum[idx] <= line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	461 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	462 // inserted lines somewhere in this diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	463 dp->df_count[idx] += inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	464 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	465 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	466 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	467 // inserted lines somewhere above this diff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	468 dp->df_lnum[idx] += inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	469 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	470
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	471 if (check_unchanged)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	472 // Check if inserted lines are equal, may reduce the
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	473 // size of the diff. TODO: also check for equal lines
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	474 // in the middle and perhaps split the block.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	475 diff_check_unchanged(tp, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	476 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	477 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	478
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	479 // check if this block touches the previous one, may merge them.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	480 if (dprev != NULL && dprev->df_lnum[idx] + dprev->df_count[idx]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	481 == dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	482 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	483 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	484 if (tp->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	485 dprev->df_count[i] += dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	486 dprev->df_next = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	487 vim_free(dp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	488 dp = dprev->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	489 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	490 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	491 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	492 // Advance to next entry.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	493 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	494 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	495 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	496 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	497
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	498 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	499 dp = tp->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	500 while (dp != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	501 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	502 // All counts are zero, remove this entry.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	503 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	504 if (tp->tp_diffbuf[i] != NULL && dp->df_count[i] != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	505 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	506 if (i == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	507 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	508 dnext = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	509 vim_free(dp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	510 dp = dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	511 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	512 tp->tp_first_diff = dnext;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	513 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	514 dprev->df_next = dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	515 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	516 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	517 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	518 // Advance to next entry.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	519 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	520 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	521 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	522
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	523 }
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	524
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	525 if (tp == curtab)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	526 {
17851 ba63a184e6b6 patch 8.1.1922: in diff mode global operations can be very slow Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	527 // Don't redraw right away, this updates the diffs, which can be slow.
ba63a184e6b6 patch 8.1.1922: in diff mode global operations can be very slow Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	528 need_diff_redraw = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	529
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	530 // Need to recompute the scroll binding, may remove or add filler
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	531 // lines (e.g., when adding lines above w_topline). But it's slow when
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	532 // making many changes, postpone until redrawing.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	533 diff_need_scrollbind = TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	534 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	535 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	536
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	537 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	538 * Allocate a new diff block and link it between "dprev" and "dp".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	539 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	540 static diff_T *
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	541 diff_alloc_new(tabpage_T tp, diff_T dprev, diff_T *dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	542 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	543 diff_T *dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	544
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16806 diff changeset	545 dnew = ALLOC_ONE(diff_T);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	546 if (dnew != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	547 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	548 dnew->df_next = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	549 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	550 tp->tp_first_diff = dnew;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	551 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	552 dprev->df_next = dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	553 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	554 return dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	555 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	556
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	557 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	558 * Check if the diff block "dp" can be made smaller for lines at the start and
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	559 * end that are equal. Called after inserting lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	560 * This may result in a change where all buffers have zero lines, the caller
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	561 * must take care of removing it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	562 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	563 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	564 diff_check_unchanged(tabpage_T tp, diff_T dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	565 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	566 int i_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	567 int i_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	568 int off_org, off_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	569 char_u *line_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	570 int dir = FORWARD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	571
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	572 // Find the first buffers, use it as the original, compare the other
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	573 // buffer lines against this one.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	574 for (i_org = 0; i_org < DB_COUNT; ++i_org)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	575 if (tp->tp_diffbuf[i_org] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	576 break;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	577 if (i_org == DB_COUNT) // safety check
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	578 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	579
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	580 if (diff_check_sanity(tp, dp) == FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	581 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	582
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	583 // First check lines at the top, then at the bottom.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	584 off_org = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	585 off_new = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	586 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	587 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	588 // Repeat until a line is found which is different or the number of
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	589 // lines has become zero.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	590 while (dp->df_count[i_org] > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	591 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	592 // Copy the line, the next ml_get() will invalidate it.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	593 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	594 off_org = dp->df_count[i_org] - 1;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	595 line_org = vim_strsave(ml_get_buf(tp->tp_diffbuf[i_org],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	596 dp->df_lnum[i_org] + off_org, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	597 if (line_org == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	598 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	599 for (i_new = i_org + 1; i_new < DB_COUNT; ++i_new)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	600 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	601 if (tp->tp_diffbuf[i_new] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	602 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	603 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	604 off_new = dp->df_count[i_new] - 1;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	605 // if other buffer doesn't have this line, it was inserted
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	606 if (off_new < 0 \|\| off_new >= dp->df_count[i_new])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	607 break;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	608 if (diff_cmp(line_org, ml_get_buf(tp->tp_diffbuf[i_new],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	609 dp->df_lnum[i_new] + off_new, FALSE)) != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	610 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	611 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	612 vim_free(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	613
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	614 // Stop when a line isn't equal in all diff buffers.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	615 if (i_new != DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	616 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	617
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	618 // Line matched in all buffers, remove it from the diff.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	619 for (i_new = i_org; i_new < DB_COUNT; ++i_new)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	620 if (tp->tp_diffbuf[i_new] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	621 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	622 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	623 ++dp->df_lnum[i_new];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	624 --dp->df_count[i_new];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	625 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	626 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	627 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	628 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	629 dir = BACKWARD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	630 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	631 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	632
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	633 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	634 * Check if a diff block doesn't contain invalid line numbers.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	635 * This can happen when the diff program returns invalid results.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	636 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	637 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	638 diff_check_sanity(tabpage_T tp, diff_T dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	639 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	640 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	641
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	642 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	643 if (tp->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	644 if (dp->df_lnum[i] + dp->df_count[i] - 1
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	645 > tp->tp_diffbuf[i]->b_ml.ml_line_count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	646 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	647 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	648 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	649
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	650 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	651 * Mark all diff buffers in the current tab page for redraw.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	652 */
17851 ba63a184e6b6 patch 8.1.1922: in diff mode global operations can be very slow Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	653 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	654 diff_redraw(
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	655 int dofold) // also recompute the folds
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	656 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	657 win_T *wp;
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	658 win_T *wp_other = NULL;
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	659 int used_max_fill = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	660 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	661
17851 ba63a184e6b6 patch 8.1.1922: in diff mode global operations can be very slow Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	662 need_diff_redraw = FALSE;
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	663 FOR_ALL_WINDOWS(wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	664 if (wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	665 {
738 5c9e7c6e6e2e updated for version 7.0222 vimboss parents: 694 diff changeset	666 redraw_win_later(wp, SOME_VALID);
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	667 if (wp != curwin)
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	668 wp_other = wp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	669 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	670 if (dofold && foldmethodIsDiff(wp))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	671 foldUpdateAll(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	672 #endif
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	673 // A change may have made filler lines invalid, need to take care
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	674 // of that for other windows.
3904 64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	675 n = diff_check(wp, wp->w_topline);
64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	676 if ((wp != curwin && wp->w_topfill > 0) \|\| n > 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	677 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	678 if (wp->w_topfill > n)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	679 wp->w_topfill = (n < 0 ? 0 : n);
3904 64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	680 else if (n > 0 && n > wp->w_topfill)
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	681 {
3904 64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	682 wp->w_topfill = n;
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	683 if (wp == curwin)
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	684 used_max_fill = TRUE;
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	685 }
5934 e3d2b8d83bb3 updated for version 7.4.308 Bram Moolenaar <bram@vim.org> parents: 5358 diff changeset	686 check_topfill(wp, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	687 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	688 }
25717 d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	689
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	690 if (wp_other != NULL && used_max_fill && curwin->w_p_scb)
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	691 // The current window was set to used the maximum number of filler
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	692 // lines, may need to reduce them.
d3f992bc6ef8 patch 8.2.3394: filler lines are wrong when changing text in diff mode Bram Moolenaar <Bram@vim.org> parents: 25709 diff changeset	693 diff_set_topline(wp_other, curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	694 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	695
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	696 static void
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	697 clear_diffin(diffin_T *din)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	698 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	699 if (din->din_fname == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	700 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	701 vim_free(din->din_mmfile.ptr);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	702 din->din_mmfile.ptr = NULL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	703 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	704 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	705 mch_remove(din->din_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	706 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	707
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	708 static void
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	709 clear_diffout(diffout_T *dout)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	710 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	711 if (dout->dout_fname == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	712 ga_clear_strings(&dout->dout_ga);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	713 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	714 mch_remove(dout->dout_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	715 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	716
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	717 /*
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	718 * Write buffer "buf" to a memory buffer.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	719 * Return FAIL for failure.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	720 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	721 static int
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	722 diff_write_buffer(buf_T buf, diffin_T din)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	723 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	724 linenr_T lnum;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	725 char_u *s;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	726 long len = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	727 char_u *ptr;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	728
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	729 // xdiff requires one big block of memory with all the text.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	730 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum)
14766 7a11facdf74b patch 8.1.0395: compiler warning on 64-bit MS-Windows Christian Brabandt <cb@256bit.org> parents: 14764 diff changeset	731 len += (long)STRLEN(ml_get_buf(buf, lnum, FALSE)) + 1;
16768 695d9ef00b03 patch 8.1.1386: unessesary type casts for lalloc() Bram Moolenaar <Bram@vim.org> parents: 16764 diff changeset	732 ptr = alloc(len);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	733 if (ptr == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	734 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	735 // Allocating memory failed. This can happen, because we try to read
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	736 // the whole buffer text into memory. Set the failed flag, the diff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	737 // will be retried with external diff. The flag is never reset.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	738 buf->b_diff_failed = TRUE;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	739 if (p_verbose > 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	740 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	741 verbose_enter();
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	742 smsg(_("Not enough memory to use internal diff for buffer \"%s\""),
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	743 buf->b_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	744 verbose_leave();
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	745 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	746 return FAIL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	747 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	748 din->din_mmfile.ptr = (char *)ptr;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	749 din->din_mmfile.size = len;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	750
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	751 len = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	752 for (lnum = 1; lnum <= buf->b_ml.ml_line_count; ++lnum)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	753 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	754 for (s = ml_get_buf(buf, lnum, FALSE); *s != NUL; )
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	755 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	756 if (diff_flags & DIFF_ICASE)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	757 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	758 int c;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	759 int orig_len;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	760 char_u cbuf[MB_MAXBYTES + 1];
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	761
15595 1ec942f1b648 patch 8.1.0805: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	762 // xdiff doesn't support ignoring case, fold-case the text.
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	763 c = PTR2CHAR(s);
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20751 diff changeset	764 c = MB_CASEFOLD(c);
18251 c8a53c0daeed patch 8.1.2120: some MB_ macros are more complicated than necessary Bram Moolenaar <Bram@vim.org> parents: 17986 diff changeset	765 orig_len = mb_ptr2len(s);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	766 if (mb_char2bytes(c, cbuf) != orig_len)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	767 // TODO: handle byte length difference
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	768 mch_memmove(ptr + len, s, orig_len);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	769 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	770 mch_memmove(ptr + len, cbuf, orig_len);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	771
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	772 s += orig_len;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	773 len += orig_len;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	774 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	775 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	776 ptr[len++] = *s++;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	777 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	778 ptr[len++] = NL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	779 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	780 return OK;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	781 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	782
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	783 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	784 * Write buffer "buf" to file or memory buffer.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	785 * Return FAIL for failure.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	786 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	787 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	788 diff_write(buf_T buf, diffin_T din)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	789 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	790 int r;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	791 char_u *save_ff;
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	792 int save_cmod_flags;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	793
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	794 if (din->din_fname == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	795 return diff_write_buffer(buf, din);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	796
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	797 // Always use 'fileformat' set to "unix".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	798 save_ff = buf->b_p_ff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	799 buf->b_p_ff = vim_strsave((char_u *)FF_UNIX);
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	800 save_cmod_flags = cmdmod.cmod_flags;
18619 788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18590 diff changeset	801 // Writing the buffer is an implementation detail of performing the diff,
788d76db02ac patch 8.1.2302: :lockmarks does not work for '[ and '] Bram Moolenaar <Bram@vim.org> parents: 18590 diff changeset	802 // so it shouldn't update the '[ and '] marks.
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	803 cmdmod.cmod_flags \|= CMOD_LOCKMARKS;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	804 r = buf_write(buf, din->din_fname, NULL,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	805 (linenr_T)1, buf->b_ml.ml_line_count,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	806 NULL, FALSE, FALSE, FALSE, TRUE);
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	807 cmdmod.cmod_flags = save_cmod_flags;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	808 free_string_option(buf->b_p_ff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	809 buf->b_p_ff = save_ff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	810 return r;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	811 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	812
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	813 /*
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	814 * Update the diffs for all buffers involved.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	815 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	816 static void
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	817 diff_try_update(
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	818 diffio_T *dio,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	819 int idx_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	820 exarg_T *eap) // "eap" can be NULL
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	821 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	822 buf_T *buf;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	823 int idx_new;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	824
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	825 if (dio->dio_internal)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	826 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	827 ga_init2(&dio->dio_diff.dout_ga, sizeof(char *), 1000);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	828 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	829 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	830 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	831 // We need three temp file names.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	832 dio->dio_orig.din_fname = vim_tempname('o', TRUE);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	833 dio->dio_new.din_fname = vim_tempname('n', TRUE);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	834 dio->dio_diff.dout_fname = vim_tempname('d', TRUE);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	835 if (dio->dio_orig.din_fname == NULL
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	836 \|\| dio->dio_new.din_fname == NULL
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	837 \|\| dio->dio_diff.dout_fname == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	838 goto theend;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	839 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	840
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	841 // Check external diff is actually working.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	842 if (!dio->dio_internal && check_external_diff(dio) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	843 goto theend;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	844
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	845 // :diffupdate!
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	846 if (eap != NULL && eap->forceit)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	847 for (idx_new = idx_orig; idx_new < DB_COUNT; ++idx_new)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	848 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	849 buf = curtab->tp_diffbuf[idx_new];
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	850 if (buf_valid(buf))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	851 buf_check_timestamp(buf, FALSE);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	852 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	853
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	854 // Write the first buffer to a tempfile or mmfile_t.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	855 buf = curtab->tp_diffbuf[idx_orig];
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	856 if (diff_write(buf, &dio->dio_orig) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	857 goto theend;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	858
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	859 // Make a difference between the first buffer and every other.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	860 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	861 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	862 buf = curtab->tp_diffbuf[idx_new];
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	863 if (buf == NULL \|\| buf->b_ml.ml_mfp == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	864 continue; // skip buffer that isn't loaded
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	865
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	866 // Write the other buffer and diff with the first one.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	867 if (diff_write(buf, &dio->dio_new) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	868 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	869 if (diff_file(dio) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	870 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	871
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	872 // Read the diff output and add each entry to the diff list.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	873 diff_read(idx_orig, idx_new, &dio->dio_diff);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	874
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	875 clear_diffin(&dio->dio_new);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	876 clear_diffout(&dio->dio_diff);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	877 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	878 clear_diffin(&dio->dio_orig);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	879
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	880 theend:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	881 vim_free(dio->dio_orig.din_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	882 vim_free(dio->dio_new.din_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	883 vim_free(dio->dio_diff.dout_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	884 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	885
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	886 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	887 * Return TRUE if the options are set to use the internal diff library.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	888 * Note that if the internal diff failed for one of the buffers, the external
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	889 * diff will be used anyway.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	890 */
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	891 int
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	892 diff_internal(void)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	893 {
15971 ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	894 return (diff_flags & DIFF_INTERNAL) != 0
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	895 #ifdef FEAT_EVAL
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	896 && *p_dex == NUL
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	897 #endif
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	898 ;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	899 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	900
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	901 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	902 * Return TRUE if the internal diff failed for one of the diff buffers.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	903 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	904 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	905 diff_internal_failed(void)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	906 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	907 int idx;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	908
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	909 // Only need to do something when there is another buffer.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	910 for (idx = 0; idx < DB_COUNT; ++idx)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	911 if (curtab->tp_diffbuf[idx] != NULL
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	912 && curtab->tp_diffbuf[idx]->b_diff_failed)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	913 return TRUE;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	914 return FALSE;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	915 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	916
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	917 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	918 * Completely update the diffs for the buffers involved.
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	919 * When using the external "diff" command the buffers are written to a file,
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	920 * also for unmodified buffers (the file could have been produced by
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	921 * autocommands, e.g. the netrw plugin).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	922 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	923 void
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	924 ex_diffupdate(exarg_T *eap) // "eap" can be NULL
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	925 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	926 int idx_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	927 int idx_new;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	928 diffio_T diffio;
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	929 int had_diffs = curtab->tp_first_diff != NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	930
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	931 if (diff_busy)
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	932 {
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	933 diff_need_update = TRUE;
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	934 return;
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	935 }
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	936
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	937 // Delete all diffblocks.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	938 diff_clear(curtab);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	939 curtab->tp_diff_invalid = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	940
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	941 // Use the first buffer as the original text.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	942 for (idx_orig = 0; idx_orig < DB_COUNT; ++idx_orig)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	943 if (curtab->tp_diffbuf[idx_orig] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	944 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	945 if (idx_orig == DB_COUNT)
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	946 goto theend;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	947
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	948 // Only need to do something when there is another buffer.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	949 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	950 if (curtab->tp_diffbuf[idx_new] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	951 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	952 if (idx_new == DB_COUNT)
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	953 goto theend;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	954
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	955 // Only use the internal method if it did not fail for one of the buffers.
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19888 diff changeset	956 CLEAR_FIELD(diffio);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	957 diffio.dio_internal = diff_internal() && !diff_internal_failed();
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	958
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	959 diff_try_update(&diffio, idx_orig, eap);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	960 if (diffio.dio_internal && diff_internal_failed())
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	961 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	962 // Internal diff failed, use external diff instead.
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19888 diff changeset	963 CLEAR_FIELD(diffio);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	964 diff_try_update(&diffio, idx_orig, eap);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	965 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	966
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	967 // force updating cursor position on screen
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	968 curwin->w_valid_cursor.lnum = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	969
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	970 theend:
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	971 // A redraw is needed if there were diffs and they were cleared, or there
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	972 // are diffs now, which means they got updated.
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	973 if (had_diffs \|\| curtab->tp_first_diff != NULL)
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	974 {
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	975 diff_redraw(TRUE);
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	976 apply_autocmds(EVENT_DIFFUPDATED, NULL, NULL, FALSE, curbuf);
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	977 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	978 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	979
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	980 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	981 * Do a quick test if "diff" really works. Otherwise it looks like there
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	982 * are no differences. Can't use the return value, it's non-zero when
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	983 * there are differences.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	984 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	985 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	986 check_external_diff(diffio_T *diffio)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	987 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	988 FILE *fd;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	989 int ok;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	990 int io_error = FALSE;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	991
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	992 // May try twice, first with "-a" and then without.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	993 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	994 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	995 ok = FALSE;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	996 fd = mch_fopen((char *)diffio->dio_orig.din_fname, "w");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	997 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	998 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	999 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1000 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1001 if (fwrite("line1\n", (size_t)6, (size_t)1, fd) != 1)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1002 io_error = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1003 fclose(fd);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1004 fd = mch_fopen((char *)diffio->dio_new.din_fname, "w");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1005 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1006 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1007 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1008 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1009 if (fwrite("line2\n", (size_t)6, (size_t)1, fd) != 1)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1010 io_error = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1011 fclose(fd);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1012 fd = NULL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1013 if (diff_file(diffio) == OK)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1014 fd = mch_fopen((char *)diffio->dio_diff.dout_fname, "r");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1015 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1016 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1017 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1018 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1019 char_u linebuf[LBUFLEN];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1020
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1021 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1022 {
24683 05c199ea8295 patch 8.2.2880: unified diff fails if actually used Bram Moolenaar <Bram@vim.org> parents: 23895 diff changeset	1023 // For normal diff there must be a line that contains
05c199ea8295 patch 8.2.2880: unified diff fails if actually used Bram Moolenaar <Bram@vim.org> parents: 23895 diff changeset	1024 // "1c1". For unified diff "@@ -1 +1 @@".
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1025 if (vim_fgets(linebuf, LBUFLEN, fd))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1026 break;
24683 05c199ea8295 patch 8.2.2880: unified diff fails if actually used Bram Moolenaar <Bram@vim.org> parents: 23895 diff changeset	1027 if (STRNCMP(linebuf, "1c1", 3) == 0
05c199ea8295 patch 8.2.2880: unified diff fails if actually used Bram Moolenaar <Bram@vim.org> parents: 23895 diff changeset	1028 \|\| STRNCMP(linebuf, "@@ -1 +1 @@", 11) == 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1029 ok = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1030 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1031 fclose(fd);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1032 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1033 mch_remove(diffio->dio_diff.dout_fname);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1034 mch_remove(diffio->dio_new.din_fname);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1035 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1036 mch_remove(diffio->dio_orig.din_fname);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1037 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1038
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1039 #ifdef FEAT_EVAL
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1040 // When using 'diffexpr' break here.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1041 if (*p_dex != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1042 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1043 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1044
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1045 #if defined(MSWIN)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1046 // If the "-a" argument works, also check if "--binary" works.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1047 if (ok && diff_a_works == MAYBE && diff_bin_works == MAYBE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1048 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1049 diff_a_works = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1050 diff_bin_works = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1051 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1052 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1053 if (!ok && diff_a_works == TRUE && diff_bin_works == TRUE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1054 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1055 // Tried --binary, but it failed. "-a" works though.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1056 diff_bin_works = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1057 ok = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1058 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1059 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1060
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1061 // If we checked if "-a" works already, break here.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1062 if (diff_a_works != MAYBE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1063 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1064 diff_a_works = ok;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1065
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1066 // If "-a" works break here, otherwise retry without "-a".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1067 if (ok)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1068 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1069 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1070 if (!ok)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1071 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1072 if (io_error)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1073 emsg(_("E810: Cannot read or write temp files"));
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1074 emsg(_("E97: Cannot create diffs"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1075 diff_a_works = MAYBE;
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1076 #if defined(MSWIN)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1077 diff_bin_works = MAYBE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1078 #endif
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1079 return FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1080 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1081 return OK;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1082 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1083
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1084 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1085 * Invoke the xdiff function.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1086 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1087 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1088 diff_file_internal(diffio_T *diffio)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1089 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1090 xpparam_t param;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1091 xdemitconf_t emit_cfg;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1092 xdemitcb_t emit_cb;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1093
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19888 diff changeset	1094 CLEAR_FIELD(param);
aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19888 diff changeset	1095 CLEAR_FIELD(emit_cfg);
aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19888 diff changeset	1096 CLEAR_FIELD(emit_cb);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1097
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1098 param.flags = diff_algorithm;
3524 d8ce4a2eb44e updated for version 7.3.523 Bram Moolenaar <bram@vim.org> parents: 2583 diff changeset	1099
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1100 if (diff_flags & DIFF_IWHITE)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1101 param.flags \|= XDF_IGNORE_WHITESPACE_CHANGE;
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1102 if (diff_flags & DIFF_IWHITEALL)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1103 param.flags \|= XDF_IGNORE_WHITESPACE;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1104 if (diff_flags & DIFF_IWHITEEOL)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1105 param.flags \|= XDF_IGNORE_WHITESPACE_AT_EOL;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1106 if (diff_flags & DIFF_IBLANK)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1107 param.flags \|= XDF_IGNORE_BLANK_LINES;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1108
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1109 emit_cfg.ctxlen = 0; // don't need any diff_context here
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1110 emit_cb.priv = &diffio->dio_diff;
25709 d5142d87f898 patch 8.2.3390: included xdiff code is outdated Bram Moolenaar <Bram@vim.org> parents: 25384 diff changeset	1111 emit_cb.out_line = xdiff_out;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1112 if (xdl_diff(&diffio->dio_orig.din_mmfile,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1113 &diffio->dio_new.din_mmfile,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1114 &param, &emit_cfg, &emit_cb) < 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1115 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1116 emsg(_("E960: Problem creating the internal diff"));
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1117 return FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1118 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1119 return OK;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1120 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1121
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1122 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1123 * Make a diff between files "tmp_orig" and "tmp_new", results in "tmp_diff".
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1124 * return OK or FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1125 */
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1126 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1127 diff_file(diffio_T *dio)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1128 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1129 char_u *cmd;
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1130 size_t len;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1131 char_u *tmp_orig = dio->dio_orig.din_fname;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1132 char_u *tmp_new = dio->dio_new.din_fname;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1133 char_u *tmp_diff = dio->dio_diff.dout_fname;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1134
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1135 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1136 if (*p_dex != NUL)
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1137 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1138 // Use 'diffexpr' to generate the diff file.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1139 eval_diff(tmp_orig, tmp_new, tmp_diff);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1140 return OK;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1141 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1142 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1143 #endif
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1144 // Use xdiff for generating the diff.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1145 if (dio->dio_internal)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1146 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1147 return diff_file_internal(dio);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1148 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1149 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1150 {
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1151 len = STRLEN(tmp_orig) + STRLEN(tmp_new)
f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1152 + STRLEN(tmp_diff) + STRLEN(p_srr) + 27;
16764 ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings Bram Moolenaar <Bram@vim.org> parents: 15971 diff changeset	1153 cmd = alloc(len);
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1154 if (cmd == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1155 return FAIL;
193 eee3fa1b0197 updated for version 7.0058 vimboss parents: 28 diff changeset	1156
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1157 // We don't want $DIFF_OPTIONS to get in the way.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1158 if (getenv("DIFF_OPTIONS"))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1159 vim_setenv((char_u )"DIFF_OPTIONS", (char_u )"");
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1160
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1161 // Build the diff command and execute it. Always use -a, binary
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1162 // differences are of no use. Ignore errors, diff returns
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1163 // non-zero when differences have been found.
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1164 vim_snprintf((char *)cmd, len, "diff %s%s%s%s%s%s%s%s %s",
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1165 diff_a_works == FALSE ? "" : "-a ",
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1166 #if defined(MSWIN)
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1167 diff_bin_works == TRUE ? "--binary " : "",
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1168 #else
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1169 "",
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1170 #endif
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1171 (diff_flags & DIFF_IWHITE) ? "-b " : "",
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1172 (diff_flags & DIFF_IWHITEALL) ? "-w " : "",
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1173 (diff_flags & DIFF_IWHITEEOL) ? "-Z " : "",
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1174 (diff_flags & DIFF_IBLANK) ? "-B " : "",
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1175 (diff_flags & DIFF_ICASE) ? "-i " : "",
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1176 tmp_orig, tmp_new);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1177 append_redir(cmd, (int)len, p_srr, tmp_diff);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1178 block_autocmds(); // avoid ShellCmdPost stuff
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1179 (void)call_shell(cmd, SHELL_FILTER\|SHELL_SILENT\|SHELL_DOOUT);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1180 unblock_autocmds();
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1181 vim_free(cmd);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1182 return OK;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1183 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1184 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1185
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1186 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1187 * Create a new version of a file from the current buffer and a diff file.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1188 * The buffer is written to a file, also for unmodified buffers (the file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1189 * could have been produced by autocommands, e.g. the netrw plugin).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1190 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1191 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1192 ex_diffpatch(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1193 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1194 char_u *tmp_orig; // name of original temp file
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1195 char_u *tmp_new; // name of patched temp file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1196 char_u *buf = NULL;
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1197 size_t buflen;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1198 win_T *old_curwin = curwin;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1199 char_u *newname = NULL; // name of patched file buffer
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1200 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1201 char_u dirbuf[MAXPATHL];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1202 char_u *fullname = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1203 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1204 #ifdef FEAT_BROWSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1205 char_u *browseFile = NULL;
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1206 int save_cmod_flags = cmdmod.cmod_flags;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1207 #endif
9387 f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe Christian Brabandt <cb@256bit.org> parents: 8368 diff changeset	1208 stat_T st;
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1209 char_u *esc_name = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1210
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1211 #ifdef FEAT_BROWSE
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1212 if (cmdmod.cmod_flags & CMOD_BROWSE)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1213 {
28 726bdc53fa49 updated for version 7.0018 vimboss parents: 16 diff changeset	1214 browseFile = do_browse(0, (char_u *)_("Patch file"),
13802 378f9f8e6d8f patch 8.0.1773: dialog messages are not translated Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	1215 eap->arg, NULL, NULL,
378f9f8e6d8f patch 8.0.1773: dialog messages are not translated Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	1216 (char_u *)_(BROWSE_FILTER_ALL_FILES), NULL);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1217 if (browseFile == NULL)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1218 return; // operation cancelled
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1219 eap->arg = browseFile;
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1220 cmdmod.cmod_flags &= ~CMOD_BROWSE; // don't let do_ecmd() browse again
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1221 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1222 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1223
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1224 // We need two temp file names.
6721 7347229a646a updated for version 7.4.684 Bram Moolenaar <bram@vim.org> parents: 6314 diff changeset	1225 tmp_orig = vim_tempname('o', FALSE);
7347229a646a updated for version 7.4.684 Bram Moolenaar <bram@vim.org> parents: 6314 diff changeset	1226 tmp_new = vim_tempname('n', FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1227 if (tmp_orig == NULL \|\| tmp_new == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1228 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1229
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1230 // Write the current buffer to "tmp_orig".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1231 if (buf_write(curbuf, tmp_orig, NULL,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1232 (linenr_T)1, curbuf->b_ml.ml_line_count,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1233 NULL, FALSE, FALSE, FALSE, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1234 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1235
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1236 #ifdef UNIX
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1237 // Get the absolute path of the patchfile, changing directory below.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1238 fullname = FullName_save(eap->arg, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1239 #endif
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1240 esc_name = vim_strsave_shellescape(
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1241 # ifdef UNIX
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1242 fullname != NULL ? fullname :
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1243 # endif
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1244 eap->arg, TRUE, TRUE);
081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1245 if (esc_name == NULL)
081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1246 goto theend;
081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1247 buflen = STRLEN(tmp_orig) + STRLEN(esc_name) + STRLEN(tmp_new) + 16;
16764 ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings Bram Moolenaar <Bram@vim.org> parents: 15971 diff changeset	1248 buf = alloc(buflen);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1249 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1250 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1251
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1252 #ifdef UNIX
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1253 // Temporarily chdir to /tmp, to avoid patching files in the current
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1254 // directory when the patch file contains more than one patch. When we
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1255 // have our own temp dir use that instead, it will be cleaned up when we
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1256 // exit (any .rej files created). Don't change directory if we can't
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1257 // return to the current.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1258 if (mch_dirname(dirbuf, MAXPATHL) != OK \|\| mch_chdir((char *)dirbuf) != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1259 dirbuf[0] = NUL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1260 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1261 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1262 # ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1263 if (vim_tempdir != NULL)
14730 193471015e1a patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions Christian Brabandt <cb@256bit.org> parents: 14726 diff changeset	1264 vim_ignored = mch_chdir((char *)vim_tempdir);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1265 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1266 # endif
14730 193471015e1a patch 8.1.0377: xdiff doesn't use the Vim memory allocation functions Christian Brabandt <cb@256bit.org> parents: 14726 diff changeset	1267 vim_ignored = mch_chdir("/tmp");
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1268 shorten_fnames(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1269 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1270 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1271
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1272 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1273 if (*p_pex != NUL)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1274 // Use 'patchexpr' to generate the new file.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1275 eval_patch(tmp_orig,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1276 # ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1277 fullname != NULL ? fullname :
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1278 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1279 eap->arg, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1280 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1281 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1282 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1283 // Build the patch command and execute it. Ignore errors. Switch to
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1284 // cooked mode to allow the user to respond to prompts.
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1285 vim_snprintf((char *)buf, buflen, "patch -o %s %s < %s",
081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1286 tmp_new, tmp_orig, esc_name);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1287 block_autocmds(); // Avoid ShellCmdPost stuff
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1288 (void)call_shell(buf, SHELL_FILTER \| SHELL_COOKED);
1410 cdd82acd75b4 updated for version 7.1-125 vimboss parents: 1075 diff changeset	1289 unblock_autocmds();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1290 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1291
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1292 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1293 if (dirbuf[0] != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1294 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1295 if (mch_chdir((char *)dirbuf) != 0)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1296 emsg(_(e_prev_dir));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1297 shorten_fnames(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1298 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1299 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1300
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1301 // patch probably has written over the screen
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1302 redraw_later(CLEAR);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1303
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1304 // Delete any .orig or .rej file created.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1305 STRCPY(buf, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1306 STRCAT(buf, ".orig");
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1307 mch_remove(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1308 STRCPY(buf, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1309 STRCAT(buf, ".rej");
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1310 mch_remove(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1311
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1312 // Only continue if the output file was created.
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1313 if (mch_stat((char *)tmp_new, &st) < 0 \|\| st.st_size == 0)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1314 emsg(_("E816: Cannot read patch output"));
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1315 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1316 {
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1317 if (curbuf->b_fname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1318 {
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1319 newname = vim_strnsave(curbuf->b_fname,
20751 d9a2e5dcfd9f patch 8.2.0928: many type casts are used for vim_strnsave() Bram Moolenaar <Bram@vim.org> parents: 20599 diff changeset	1320 STRLEN(curbuf->b_fname) + 4);
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1321 if (newname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1322 STRCAT(newname, ".new");
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1323 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1324
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1325 #ifdef FEAT_GUI
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1326 need_mouse_correct = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1327 #endif
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1328 // don't use a new tab page, each tab page has its own diffs
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1329 cmdmod.cmod_tab = 0;
682 f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1330
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1331 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1332 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1333 // Pretend it was a ":split fname" command
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1334 eap->cmdidx = CMD_split;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1335 eap->arg = tmp_new;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1336 do_exedit(eap, old_curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1337
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1338 // check that split worked and editing tmp_new
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1339 if (curwin != old_curwin && win_valid(old_curwin))
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1340 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1341 // Set 'diff', 'scrollbind' on and 'wrap' off.
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1342 diff_win_options(curwin, TRUE);
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1343 diff_win_options(old_curwin, TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1344
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1345 if (newname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1346 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1347 // do a ":file filename.new" on the patched buffer
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1348 eap->arg = newname;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1349 ex_file(eap);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1350
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1351 // Do filetype detection with the new name.
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1352 if (au_has_group((char_u *)"filetypedetect"))
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1353 do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1354 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1355 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1356 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1357 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1358
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1359 theend:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1360 if (tmp_orig != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1361 mch_remove(tmp_orig);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1362 vim_free(tmp_orig);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1363 if (tmp_new != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1364 mch_remove(tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1365 vim_free(tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1366 vim_free(newname);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1367 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1368 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1369 vim_free(fullname);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1370 #endif
11113 081ed9efb5c0 patch 8.0.0444: diffpatch fails when the file name has a quote Christian Brabandt <cb@256bit.org> parents: 11109 diff changeset	1371 vim_free(esc_name);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1372 #ifdef FEAT_BROWSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1373 vim_free(browseFile);
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1374 cmdmod.cmod_flags = save_cmod_flags;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1375 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1376 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1377
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1378 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1379 * Split the window and edit another file, setting options to show the diffs.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1380 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1381 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1382 ex_diffsplit(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1383 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1384 win_T *old_curwin = curwin;
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1385 bufref_T old_curbuf;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1386
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1387 set_bufref(&old_curbuf, curbuf);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1388 #ifdef FEAT_GUI
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1389 need_mouse_correct = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1390 #endif
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1391 // Need to compute w_fraction when no redraw happened yet.
10013 942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1392 validate_cursor();
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1393 set_fraction(curwin);
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1394
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1395 // don't use a new tab page, each tab page has its own diffs
22699 e82579016863 patch 8.2.1898: command modifier parsing always uses global cmdmod Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	1396 cmdmod.cmod_tab = 0;
682 f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1397
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	1398 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1399 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1400 // Pretend it was a ":split fname" command
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1401 eap->cmdidx = CMD_split;
449 3709cf52b9b5 updated for version 7.0119 vimboss parents: 358 diff changeset	1402 curwin->w_p_diff = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1403 do_exedit(eap, old_curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1404
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1405 if (curwin != old_curwin) // split must have worked
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1406 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1407 // Set 'diff', 'scrollbind' on and 'wrap' off.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1408 diff_win_options(curwin, TRUE);
7338 96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1409 if (win_valid(old_curwin))
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1410 {
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1411 diff_win_options(old_curwin, TRUE);
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1412
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1413 if (bufref_valid(&old_curbuf))
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1414 // Move the cursor position to that of the old window.
7338 96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1415 curwin->w_cursor.lnum = diff_get_corresponding_line(
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	1416 old_curbuf.br_buf, old_curwin->w_cursor.lnum);
7338 96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1417 }
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1418 // Now that lines are folded scroll to show the cursor at the same
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1419 // relative position.
10013 942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1420 scroll_to_fraction(curwin, curwin->w_height);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1421 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1422 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1423 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1424
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1425 /*
4352 04736b4030ec updated for version 7.3.925 Bram Moolenaar <bram@vim.org> parents: 4236 diff changeset	1426 * Set options to show diffs for the current window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1427 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1428 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1429 ex_diffthis(exarg_T *eap UNUSED)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1430 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1431 // Set 'diff', 'scrollbind' on and 'wrap' off.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1432 diff_win_options(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1433 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1434
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1435 static void
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1436 set_diff_option(win_T *wp, int value)
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1437 {
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1438 win_T *old_curwin = curwin;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1439
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1440 curwin = wp;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1441 curbuf = curwin->w_buffer;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1442 ++curbuf_lock;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1443 set_option_value((char_u *)"diff", (long)value, NULL, OPT_LOCAL);
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1444 --curbuf_lock;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1445 curwin = old_curwin;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1446 curbuf = curwin->w_buffer;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1447 }
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1448
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1449 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1450 * Set options in window "wp" for diff mode.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1451 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1452 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1453 diff_win_options(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1454 win_T *wp,
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1455 int addbuf) // Add buffer to diff.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1456 {
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1457 # ifdef FEAT_FOLDING
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1458 win_T *old_curwin = curwin;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1459
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1460 // close the manually opened folds
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1461 curwin = wp;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1462 newFoldLevel();
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1463 curwin = old_curwin;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1464 # endif
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1465
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1466 // Use 'scrollbind' and 'cursorbind' when available
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1467 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1468 wp->w_p_scb_save = wp->w_p_scb;
2583 7c2e6ba1d702 updated for version 7.3.008 Bram Moolenaar <bram@vim.org> parents: 2445 diff changeset	1469 wp->w_p_scb = TRUE;
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1470 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1471 wp->w_p_crb_save = wp->w_p_crb;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	1472 wp->w_p_crb = TRUE;
23895 e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1473 if (!(diff_flags & DIFF_FOLLOWWRAP))
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1474 {
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1475 if (!wp->w_p_diff)
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1476 wp->w_p_wrap_save = wp->w_p_wrap;
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1477 wp->w_p_wrap = FALSE;
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1478 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1479 # ifdef FEAT_FOLDING
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1480 if (!wp->w_p_diff)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1481 {
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1482 if (wp->w_p_diff_saved)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1483 free_string_option(wp->w_p_fdm_save);
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1484 wp->w_p_fdm_save = vim_strsave(wp->w_p_fdm);
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1485 }
16806 306766ed0f70 patch 8.1.1405: "highlight" option of popup windows not supported Bram Moolenaar <Bram@vim.org> parents: 16768 diff changeset	1486 set_string_option_direct_in_win(wp, (char_u )"fdm", -1, (char_u )"diff",
694 07d199fe02ed updated for version 7.0209 vimboss parents: 682 diff changeset	1487 OPT_LOCAL\|OPT_FREE, 0);
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1488 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1489 {
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1490 wp->w_p_fdc_save = wp->w_p_fdc;
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1491 wp->w_p_fen_save = wp->w_p_fen;
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1492 wp->w_p_fdl_save = wp->w_p_fdl;
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1493 }
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1494 wp->w_p_fdc = diff_foldcolumn;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1495 wp->w_p_fen = TRUE;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1496 wp->w_p_fdl = 0;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1497 foldUpdateAll(wp);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1498 // make sure topline is not halfway a fold
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1499 changed_window_setting_win(wp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1500 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1501 if (vim_strchr(p_sbo, 'h') == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1502 do_cmdline_cmd((char_u *)"set sbo+=hor");
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1503 // Save the current values, to be restored in ex_diffoff().
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1504 wp->w_p_diff_saved = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1505
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1506 set_diff_option(wp, TRUE);
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1507
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1508 if (addbuf)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1509 diff_buf_add(wp->w_buffer);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1510 redraw_win_later(wp, NOT_VALID);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1511 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1512
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1513 /*
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1514 * Set options not to show diffs. For the current window or all windows.
671 83a006f81bac updated for version 7.0199 vimboss parents: 648 diff changeset	1515 * Only in the current tab page.
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1516 */
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1517 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1518 ex_diffoff(exarg_T *eap)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1519 {
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1520 win_T *wp;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1521 int diffwin = FALSE;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1522
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	1523 FOR_ALL_WINDOWS(wp)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1524 {
5358 b21b5dcdca21 updated for version 7.4.031 Bram Moolenaar <bram@vim.org> parents: 5200 diff changeset	1525 if (eap->forceit ? wp->w_p_diff : wp == curwin)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1526 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1527 // Set 'diff' off. If option values were saved in
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1528 // diff_win_options(), restore the ones whose settings seem to have
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1529 // been left over from diff mode.
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1530 set_diff_option(wp, FALSE);
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1531
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1532 if (wp->w_p_diff_saved)
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1533 {
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1534
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1535 if (wp->w_p_scb)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1536 wp->w_p_scb = wp->w_p_scb_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1537 if (wp->w_p_crb)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1538 wp->w_p_crb = wp->w_p_crb_save;
23895 e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1539 if (!(diff_flags & DIFF_FOLLOWWRAP))
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1540 {
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1541 if (!wp->w_p_wrap)
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1542 wp->w_p_wrap = wp->w_p_wrap_save;
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	1543 }
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1544 #ifdef FEAT_FOLDING
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1545 free_string_option(wp->w_p_fdm);
11430 eba1a8c6e21d patch 8.0.0599: diff mode is insufficiently tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	1546 wp->w_p_fdm = vim_strsave(
eba1a8c6e21d patch 8.0.0599: diff mode is insufficiently tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	1547 wp->w_p_fdm_save ? wp->w_p_fdm_save : (char_u)"manual");
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1548
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1549 if (wp->w_p_fdc == diff_foldcolumn)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1550 wp->w_p_fdc = wp->w_p_fdc_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1551 if (wp->w_p_fdl == 0)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1552 wp->w_p_fdl = wp->w_p_fdl_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1553
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1554 // Only restore 'foldenable' when 'foldmethod' is not
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1555 // "manual", otherwise we continue to show the diff folds.
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1556 if (wp->w_p_fen)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1557 wp->w_p_fen = foldmethodIsManual(wp) ? FALSE
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1558 : wp->w_p_fen_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1559
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1560 foldUpdateAll(wp);
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1561 #endif
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1562 }
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1563 // remove filler lines
10005 4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1564 wp->w_topfill = 0;
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1565
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1566 // make sure topline is not halfway a fold and cursor is
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1567 // invalidated
10005 4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1568 changed_window_setting_win(wp);
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1569
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1570 // Note: 'sbo' is not restored, it's a global option.
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1571 diff_buf_adjust(wp);
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1572 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1573 diffwin \|= wp->w_p_diff;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1574 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1575
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1576 // Also remove hidden buffers from the list.
10821 d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1577 if (eap->forceit)
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1578 diff_buf_clear();
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1579
18590 41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1580 if (!diffwin)
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1581 {
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1582 diff_need_update = FALSE;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1583 curtab->tp_diff_invalid = FALSE;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1584 curtab->tp_diff_update = FALSE;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1585 diff_clear(curtab);
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1586 }
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1587
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1588 // Remove "hor" from from 'scrollopt' if there are no diff windows left.
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1589 if (!diffwin && vim_strchr(p_sbo, 'h') != NULL)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1590 do_cmdline_cmd((char_u *)"set sbo-=hor");
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1591 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1592
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1593 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1594 * Read the diff output and add each entry to the diff list.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1595 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1596 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1597 diff_read(
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1598 int idx_orig, // idx of original file
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1599 int idx_new, // idx of new file
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1600 diffout_T *dout) // diff output
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1601 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1602 FILE *fd = NULL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1603 int line_idx = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1604 diff_T *dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1605 diff_T *dp = curtab->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1606 diff_T dn, dpl;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1607 char_u linebuf[LBUFLEN]; // only need to hold the diff line
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1608 char_u *line;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1609 long off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1610 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1611 linenr_T lnum_orig, lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1612 long count_orig, count_new;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1613 int notset = TRUE; // block "*dp" not set yet
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1614 enum {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1615 DIFF_ED,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1616 DIFF_UNIFIED,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1617 DIFF_NONE
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1618 } diffstyle = DIFF_NONE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1619
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1620 if (dout->dout_fname == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1621 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1622 diffstyle = DIFF_UNIFIED;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1623 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1624 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1625 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1626 fd = mch_fopen((char *)dout->dout_fname, "r");
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1627 if (fd == NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1628 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1629 emsg(_("E98: Cannot read diff output"));
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1630 return;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1631 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1632 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1633
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1634 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1635 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1636 if (fd == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1637 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1638 if (line_idx >= dout->dout_ga.ga_len)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1639 break; // did last line
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1640 line = ((char_u **)dout->dout_ga.ga_data)[line_idx++];
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1641 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1642 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1643 {
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1644 if (vim_fgets(linebuf, LBUFLEN, fd))
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1645 break; // end of file
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1646 line = linebuf;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1647 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1648
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1649 if (diffstyle == DIFF_NONE)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1650 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1651 // Determine diff style.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1652 // ed like diff looks like this:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1653 // {first}[,{last}]c{first}[,{last}]
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1654 // {first}a{first}[,{last}]
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1655 // {first}[,{last}]d{first}
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1656 //
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1657 // unified diff looks like this:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1658 // --- file1 2018-03-20 13:23:35.783153140 +0100
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1659 // +++ file2 2018-03-20 13:23:41.183156066 +0100
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1660 // @@ -1,3 +1,5 @@
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1661 if (isdigit(*line))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1662 diffstyle = DIFF_ED;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1663 else if ((STRNCMP(line, "@@ ", 3) == 0))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1664 diffstyle = DIFF_UNIFIED;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1665 else if ((STRNCMP(line, "--- ", 4) == 0)
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1666 && (vim_fgets(linebuf, LBUFLEN, fd) == 0)
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1667 && (STRNCMP(line, "+++ ", 4) == 0)
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1668 && (vim_fgets(linebuf, LBUFLEN, fd) == 0)
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1669 && (STRNCMP(line, "@@ ", 3) == 0))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1670 diffstyle = DIFF_UNIFIED;
14726 655f00c29c58 patch 8.1.0375: cannot use diff mode with Cygwin diff.exe Christian Brabandt <cb@256bit.org> parents: 14716 diff changeset	1671 else
655f00c29c58 patch 8.1.0375: cannot use diff mode with Cygwin diff.exe Christian Brabandt <cb@256bit.org> parents: 14716 diff changeset	1672 // Format not recognized yet, skip over this line. Cygwin diff
655f00c29c58 patch 8.1.0375: cannot use diff mode with Cygwin diff.exe Christian Brabandt <cb@256bit.org> parents: 14716 diff changeset	1673 // may put a warning at the start of the file.
655f00c29c58 patch 8.1.0375: cannot use diff mode with Cygwin diff.exe Christian Brabandt <cb@256bit.org> parents: 14716 diff changeset	1674 continue;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1675 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1676
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1677 if (diffstyle == DIFF_ED)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1678 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1679 if (!isdigit(*line))
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1680 continue; // not the start of a diff block
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1681 if (parse_diff_ed(line, &lnum_orig, &count_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1682 &lnum_new, &count_new) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1683 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1684 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1685 else if (diffstyle == DIFF_UNIFIED)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1686 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1687 if (STRNCMP(line, "@@ ", 3) != 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1688 continue; // not the start of a diff block
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1689 if (parse_diff_unified(line, &lnum_orig, &count_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1690 &lnum_new, &count_new) == FAIL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1691 continue;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1692 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1693 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1694 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1695 emsg(_("E959: Invalid diff format."));
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1696 break;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1697 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1698
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1699 // Go over blocks before the change, for which orig and new are equal.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1700 // Copy blocks from orig to new.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1701 while (dp != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1702 && lnum_orig > dp->df_lnum[idx_orig] + dp->df_count[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1703 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1704 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1705 diff_copy_entry(dprev, dp, idx_orig, idx_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1706 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1707 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1708 notset = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1709 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1710
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1711 if (dp != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1712 && lnum_orig <= dp->df_lnum[idx_orig] + dp->df_count[idx_orig]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1713 && lnum_orig + count_orig >= dp->df_lnum[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1714 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1715 // New block overlaps with existing block(s).
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1716 // First find last block that overlaps.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1717 for (dpl = dp; dpl->df_next != NULL; dpl = dpl->df_next)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1718 if (lnum_orig + count_orig < dpl->df_next->df_lnum[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1719 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1720
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1721 // If the newly found block starts before the old one, set the
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1722 // start back a number of lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1723 off = dp->df_lnum[idx_orig] - lnum_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1724 if (off > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1725 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1726 for (i = idx_orig; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1727 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1728 dp->df_lnum[i] -= off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1729 dp->df_lnum[idx_new] = lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1730 dp->df_count[idx_new] = count_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1731 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1732 else if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1733 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1734 // new block inside existing one, adjust new block
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1735 dp->df_lnum[idx_new] = lnum_new + off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1736 dp->df_count[idx_new] = count_new - off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1737 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1738 else
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1739 // second overlap of new block with existing block
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1740 dp->df_count[idx_new] += count_new - count_orig
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1741 + dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1742 - (dp->df_lnum[idx_orig] + dp->df_count[idx_orig]);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1743
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1744 // Adjust the size of the block to include all the lines to the
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1745 // end of the existing block or the new diff, whatever ends last.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1746 off = (lnum_orig + count_orig)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1747 - (dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1748 if (off < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1749 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1750 // new change ends in existing block, adjust the end if not
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1751 // done already
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1752 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1753 dp->df_count[idx_new] += -off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1754 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1755 }
1428 912b18745def updated for version 7.1-143 vimboss parents: 1410 diff changeset	1756 for (i = idx_orig; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1757 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1758 dp->df_count[i] = dpl->df_lnum[i] + dpl->df_count[i]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1759 - dp->df_lnum[i] + off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1760
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1761 // Delete the diff blocks that have been merged into one.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1762 dn = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1763 dp->df_next = dpl->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1764 while (dn != dp->df_next)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1765 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1766 dpl = dn->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1767 vim_free(dn);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1768 dn = dpl;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1769 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1770 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1771 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1772 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1773 // Allocate a new diffblock.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1774 dp = diff_alloc_new(curtab, dprev, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1775 if (dp == NULL)
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 835 diff changeset	1776 goto done;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1777
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1778 dp->df_lnum[idx_orig] = lnum_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1779 dp->df_count[idx_orig] = count_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1780 dp->df_lnum[idx_new] = lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1781 dp->df_count[idx_new] = count_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1782
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1783 // Set values for other buffers, these must be equal to the
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1784 // original buffer, otherwise there would have been a change
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1785 // already.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1786 for (i = idx_orig + 1; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1787 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1788 diff_copy_entry(dprev, dp, idx_orig, i);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1789 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1790 notset = FALSE; // "*dp" has been set
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1791 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1792
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1793 // for remaining diff blocks orig and new are equal
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1794 while (dp != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1795 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1796 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1797 diff_copy_entry(dprev, dp, idx_orig, idx_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1798 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1799 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1800 notset = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1801 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1802
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 835 diff changeset	1803 done:
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1804 if (fd != NULL)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1805 fclose(fd);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1806 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1807
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1808 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1809 * Copy an entry at "dp" from "idx_orig" to "idx_new".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1810 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1811 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1812 diff_copy_entry(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1813 diff_T *dprev,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1814 diff_T *dp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1815 int idx_orig,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1816 int idx_new)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1817 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1818 long off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1819
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1820 if (dprev == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1821 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1822 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1823 off = (dprev->df_lnum[idx_orig] + dprev->df_count[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1824 - (dprev->df_lnum[idx_new] + dprev->df_count[idx_new]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1825 dp->df_lnum[idx_new] = dp->df_lnum[idx_orig] - off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1826 dp->df_count[idx_new] = dp->df_count[idx_orig];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1827 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1828
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1829 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1830 * Clear the list of diffblocks for tab page "tp".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1831 */
358 e111db373ca4 updated for version 7.0093 vimboss parents: 193 diff changeset	1832 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1833 diff_clear(tabpage_T *tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1834 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1835 diff_T p, next_p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1836
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1837 for (p = tp->tp_first_diff; p != NULL; p = next_p)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1838 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1839 next_p = p->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1840 vim_free(p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1841 }
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1842 tp->tp_first_diff = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1843 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1844
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1845 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1846 * Check diff status for line "lnum" in buffer "buf":
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1847 * Returns 0 for nothing special
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1848 * Returns -1 for a line that should be highlighted as changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1849 * Returns -2 for a line that should be highlighted as added/deleted.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1850 * Returns > 0 for inserting that many filler lines above it (never happens
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1851 * when 'diffopt' doesn't contain "filler").
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1852 * This should only be used for windows where 'diff' is set.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1853 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1854 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1855 diff_check(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1856 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1857 int idx; // index in tp_diffbuf[] for this buffer
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1858 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1859 int maxcount;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1860 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1861 buf_T *buf = wp->w_buffer;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1862 int cmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1863
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1864 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1865 ex_diffupdate(NULL); // update after a big change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1866
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1867 if (curtab->tp_first_diff == NULL \|\| !wp->w_p_diff) // no diffs at all
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1868 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1869
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1870 // safety check: "lnum" must be a buffer line
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1871 if (lnum < 1 \|\| lnum > buf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1872 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1873
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1874 idx = diff_buf_idx(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1875 if (idx == DB_COUNT)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1876 return 0; // no diffs for buffer "buf"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1877
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1878 #ifdef FEAT_FOLDING
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1879 // A closed fold never has filler lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1880 if (hasFoldingWin(wp, lnum, NULL, NULL, TRUE, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1881 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1882 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1883
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1884 // search for a change that includes "lnum" in the list of diffblocks.
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	1885 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1886 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1887 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1888 if (dp == NULL \|\| lnum < dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1889 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1890
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1891 if (lnum < dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1892 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1893 int zero = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1894
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1895 // Changed or inserted line. If the other buffers have a count of
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1896 // zero, the lines were inserted. If the other buffers have the same
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1897 // count, check if the lines are identical.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1898 cmp = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1899 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1900 if (i != idx && curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1901 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1902 if (dp->df_count[i] == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1903 zero = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1904 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1905 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1906 if (dp->df_count[i] != dp->df_count[idx])
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1907 return -1; // nr of lines changed.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1908 cmp = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1909 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1910 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1911 if (cmp)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1912 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1913 // Compare all lines. If they are equal the lines were inserted
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1914 // in some buffers, deleted in others, but not changed.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1915 for (i = 0; i < DB_COUNT; ++i)
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1916 if (i != idx && curtab->tp_diffbuf[i] != NULL
69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1917 && dp->df_count[i] != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1918 if (!diff_equal_entry(dp, idx, i))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1919 return -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1920 }
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1921 // If there is no buffer with zero lines then there is no difference
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1922 // any longer. Happens when making a change (or undo) that removes
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1923 // the difference. Can't remove the entry here, we might be halfway
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1924 // updating the window. Just report the text as unchanged. Other
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1925 // windows might still show the change though.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1926 if (zero == FALSE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1927 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1928 return -2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1929 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1930
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1931 // If 'diffopt' doesn't contain "filler", return 0.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1932 if (!(diff_flags & DIFF_FILLER))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1933 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1934
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1935 // Insert filler lines above the line just below the change. Will return
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	1936 // 0 when this buf had the max count.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1937 maxcount = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1938 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1939 if (curtab->tp_diffbuf[i] != NULL && dp->df_count[i] > maxcount)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1940 maxcount = dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1941 return maxcount - dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1942 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1943
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1944 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1945 * Compare two entries in diff "*dp" and return TRUE if they are equal.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1946 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1947 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1948 diff_equal_entry(diff_T *dp, int idx1, int idx2)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1949 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1950 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1951 char_u *line;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1952 int cmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1953
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1954 if (dp->df_count[idx1] != dp->df_count[idx2])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1955 return FALSE;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1956 if (diff_check_sanity(curtab, dp) == FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1957 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1958 for (i = 0; i < dp->df_count[idx1]; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1959 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1960 line = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx1],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1961 dp->df_lnum[idx1] + i, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1962 if (line == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1963 return FALSE;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1964 cmp = diff_cmp(line, ml_get_buf(curtab->tp_diffbuf[idx2],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1965 dp->df_lnum[idx2] + i, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1966 vim_free(line);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1967 if (cmp != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1968 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1969 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1970 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1971 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1972
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1973 /*
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1974 * Compare the characters at "p1" and "p2". If they are equal (possibly
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1975 * ignoring case) return TRUE and set "len" to the number of bytes.
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1976 */
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1977 static int
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1978 diff_equal_char(char_u p1, char_u p2, int *len)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1979 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1980 int l = (*mb_ptr2len)(p1);
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1981
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1982 if (l != (*mb_ptr2len)(p2))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1983 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1984 if (l > 1)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1985 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1986 if (STRNCMP(p1, p2, l) != 0
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1987 && (!enc_utf8
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1988 \|\| !(diff_flags & DIFF_ICASE)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1989 \|\| utf_fold(utf_ptr2char(p1))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1990 != utf_fold(utf_ptr2char(p2))))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1991 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1992 *len = l;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1993 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1994 else
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1995 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1996 if ((p1 != p2)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1997 && (!(diff_flags & DIFF_ICASE)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1998 \|\| TOLOWER_LOC(p1) != TOLOWER_LOC(p2)))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1999 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2000 *len = 1;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2001 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2002 return TRUE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2003 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2004
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2005 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2006 * Compare strings "s1" and "s2" according to 'diffopt'.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2007 * Return non-zero when they are different.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2008 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2009 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2010 diff_cmp(char_u s1, char_u s2)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2011 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2012 char_u p1, p2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2013 int l;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2014
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2015 if ((diff_flags & DIFF_IBLANK)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2016 && (skipwhite(s1) == NUL \|\| skipwhite(s2) == NUL))
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2017 return 0;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2018
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2019 if ((diff_flags & (DIFF_ICASE \| ALL_WHITE_DIFF)) == 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2020 return STRCMP(s1, s2);
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2021 if ((diff_flags & DIFF_ICASE) && !(diff_flags & ALL_WHITE_DIFF))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2022 return MB_STRICMP(s1, s2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2023
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2024 p1 = s1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2025 p2 = s2;
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2026
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2027 // Ignore white space changes and possibly ignore case.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2028 while (p1 != NUL && p2 != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2029 {
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2030 if (((diff_flags & DIFF_IWHITE)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2031 && VIM_ISWHITE(p1) && VIM_ISWHITE(p2))
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2032 \|\| ((diff_flags & DIFF_IWHITEALL)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2033 && (VIM_ISWHITE(p1) \|\| VIM_ISWHITE(p2))))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2034 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2035 p1 = skipwhite(p1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2036 p2 = skipwhite(p2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2037 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2038 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2039 {
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2040 if (!diff_equal_char(p1, p2, &l))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2041 break;
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2042 p1 += l;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2043 p2 += l;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2044 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2045 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2046
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2047 // Ignore trailing white space.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2048 p1 = skipwhite(p1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2049 p2 = skipwhite(p2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2050 if (p1 != NUL \|\| p2 != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2051 return 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2052 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2053 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2054
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2055 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2056 * Return the number of filler lines above "lnum".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2057 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2058 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2059 diff_check_fill(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2060 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2061 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2062
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2063 // be quick when there are no filler lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2064 if (!(diff_flags & DIFF_FILLER))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2065 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2066 n = diff_check(wp, lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2067 if (n <= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2068 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2069 return n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2070 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2071
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2072 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2073 * Set the topline of "towin" to match the position in "fromwin", so that they
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2074 * show the same diff'ed lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2075 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2076 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2077 diff_set_topline(win_T fromwin, win_T towin)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2078 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2079 buf_T *frombuf = fromwin->w_buffer;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2080 linenr_T lnum = fromwin->w_topline;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2081 int fromidx;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2082 int toidx;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2083 diff_T *dp;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2084 int max_count;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2085 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2086
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2087 fromidx = diff_buf_idx(frombuf);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2088 if (fromidx == DB_COUNT)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2089 return; // safety check
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2090
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2091 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2092 ex_diffupdate(NULL); // update after a big change
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2093
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2094 towin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2095
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2096 // search for a change that includes "lnum" in the list of diffblocks.
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	2097 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2098 if (lnum <= dp->df_lnum[fromidx] + dp->df_count[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2099 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2100 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2101 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2102 // After last change, compute topline relative to end of file; no
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2103 // filler lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2104 towin->w_topline = towin->w_buffer->b_ml.ml_line_count
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2105 - (frombuf->b_ml.ml_line_count - lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2106 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2107 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2108 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2109 // Find index for "towin".
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2110 toidx = diff_buf_idx(towin->w_buffer);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2111 if (toidx == DB_COUNT)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2112 return; // safety check
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2113
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2114 towin->w_topline = lnum + (dp->df_lnum[toidx] - dp->df_lnum[fromidx]);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2115 if (lnum >= dp->df_lnum[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2116 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2117 // Inside a change: compute filler lines. With three or more
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2118 // buffers we need to know the largest count.
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2119 max_count = 0;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2120 for (i = 0; i < DB_COUNT; ++i)
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2121 if (curtab->tp_diffbuf[i] != NULL
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2122 && max_count < dp->df_count[i])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2123 max_count = dp->df_count[i];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2124
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2125 if (dp->df_count[toidx] == dp->df_count[fromidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2126 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2127 // same number of lines: use same filler count
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2128 towin->w_topfill = fromwin->w_topfill;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2129 }
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2130 else if (dp->df_count[toidx] > dp->df_count[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2131 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2132 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2133 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2134 // more lines in towin and fromwin doesn't show diff
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2135 // lines, only filler lines
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2136 if (max_count - fromwin->w_topfill >= dp->df_count[toidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2137 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2138 // towin also only shows filler lines
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2139 towin->w_topline = dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2140 + dp->df_count[toidx];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2141 towin->w_topfill = fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2142 }
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2143 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2144 // towin still has some diff lines to show
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2145 towin->w_topline = dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2146 + max_count - fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2147 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2148 }
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2149 else if (towin->w_topline >= dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2150 + dp->df_count[toidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2151 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2152 // less lines in towin and no diff lines to show: compute
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2153 // filler lines
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2154 towin->w_topline = dp->df_lnum[toidx] + dp->df_count[toidx];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2155 if (diff_flags & DIFF_FILLER)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2156 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2157 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx])
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2158 // fromwin is also out of diff lines
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2159 towin->w_topfill = fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2160 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2161 // fromwin has some diff lines
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2162 towin->w_topfill = dp->df_lnum[fromidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2163 + max_count - lnum;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2164 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2165 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2166 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2167 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2168
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2169 // safety check (if diff info gets outdated strange things may happen)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2170 towin->w_botfill = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2171 if (towin->w_topline > towin->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2172 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2173 towin->w_topline = towin->w_buffer->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2174 towin->w_botfill = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2175 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2176 if (towin->w_topline < 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2177 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2178 towin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2179 towin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2180 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2181
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2182 // When w_topline changes need to recompute w_botline and cursor position
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2183 invalidate_botline_win(towin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2184 changed_line_abv_curs_win(towin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2185
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2186 check_topfill(towin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2187 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2188 (void)hasFoldingWin(towin, towin->w_topline, &towin->w_topline,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2189 NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2190 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2191 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2192
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2193 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2194 * This is called when 'diffopt' is changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2195 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2196 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2197 diffopt_changed(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2198 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2199 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2200 int diff_context_new = 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2201 int diff_flags_new = 0;
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2202 int diff_foldcolumn_new = 2;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2203 long diff_algorithm_new = 0;
15103 9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2204 long diff_indent_heuristic = 0;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2205 tabpage_T *tp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2206
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2207 p = p_dip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2208 while (*p != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2209 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2210 if (STRNCMP(p, "filler", 6) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2211 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2212 p += 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2213 diff_flags_new \|= DIFF_FILLER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2214 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2215 else if (STRNCMP(p, "context:", 8) == 0 && VIM_ISDIGIT(p[8]))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2216 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2217 p += 8;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2218 diff_context_new = getdigits(&p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2219 }
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2220 else if (STRNCMP(p, "iblank", 6) == 0)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2221 {
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2222 p += 6;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2223 diff_flags_new \|= DIFF_IBLANK;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2224 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2225 else if (STRNCMP(p, "icase", 5) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2226 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2227 p += 5;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2228 diff_flags_new \|= DIFF_ICASE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2229 }
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2230 else if (STRNCMP(p, "iwhiteall", 9) == 0)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2231 {
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2232 p += 9;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2233 diff_flags_new \|= DIFF_IWHITEALL;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2234 }
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2235 else if (STRNCMP(p, "iwhiteeol", 9) == 0)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2236 {
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2237 p += 9;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2238 diff_flags_new \|= DIFF_IWHITEEOL;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2239 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2240 else if (STRNCMP(p, "iwhite", 6) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2241 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2242 p += 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2243 diff_flags_new \|= DIFF_IWHITE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2244 }
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2245 else if (STRNCMP(p, "horizontal", 10) == 0)
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2246 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2247 p += 10;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2248 diff_flags_new \|= DIFF_HORIZONTAL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2249 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2250 else if (STRNCMP(p, "vertical", 8) == 0)
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2251 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2252 p += 8;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2253 diff_flags_new \|= DIFF_VERTICAL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2254 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2255 else if (STRNCMP(p, "foldcolumn:", 11) == 0 && VIM_ISDIGIT(p[11]))
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2256 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2257 p += 11;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2258 diff_foldcolumn_new = getdigits(&p);
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2259 }
12971 ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2260 else if (STRNCMP(p, "hiddenoff", 9) == 0)
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2261 {
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2262 p += 9;
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2263 diff_flags_new \|= DIFF_HIDDEN_OFF;
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2264 }
18590 41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2265 else if (STRNCMP(p, "closeoff", 8) == 0)
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2266 {
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2267 p += 8;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2268 diff_flags_new \|= DIFF_CLOSE_OFF;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2269 }
23895 e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2270 else if (STRNCMP(p, "followwrap", 10) == 0)
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2271 {
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2272 p += 10;
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2273 diff_flags_new \|= DIFF_FOLLOWWRAP;
e313b6ee2d9c patch 8.2.2490: 'wrap' option is always reset when starting diff mode Bram Moolenaar <Bram@vim.org> parents: 22699 diff changeset	2274 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2275 else if (STRNCMP(p, "indent-heuristic", 16) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2276 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2277 p += 16;
15103 9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2278 diff_indent_heuristic = XDF_INDENT_HEURISTIC;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2279 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2280 else if (STRNCMP(p, "internal", 8) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2281 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2282 p += 8;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2283 diff_flags_new \|= DIFF_INTERNAL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2284 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2285 else if (STRNCMP(p, "algorithm:", 10) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2286 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2287 p += 10;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2288 if (STRNCMP(p, "myers", 5) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2289 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2290 p += 5;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2291 diff_algorithm_new = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2292 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2293 else if (STRNCMP(p, "minimal", 7) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2294 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2295 p += 7;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2296 diff_algorithm_new = XDF_NEED_MINIMAL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2297 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2298 else if (STRNCMP(p, "patience", 8) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2299 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2300 p += 8;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2301 diff_algorithm_new = XDF_PATIENCE_DIFF;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2302 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2303 else if (STRNCMP(p, "histogram", 9) == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2304 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2305 p += 9;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2306 diff_algorithm_new = XDF_HISTOGRAM_DIFF;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2307 }
15004 9c2352253376 patch 8.1.0513: no error for set diffopt+=algorithm: Bram Moolenaar <Bram@vim.org> parents: 14982 diff changeset	2308 else
9c2352253376 patch 8.1.0513: no error for set diffopt+=algorithm: Bram Moolenaar <Bram@vim.org> parents: 14982 diff changeset	2309 return FAIL;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2310 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2311
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2312 if (p != ',' && p != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2313 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2314 if (*p == ',')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2315 ++p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2316 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2317
15103 9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2318 diff_algorithm_new \|= diff_indent_heuristic;
9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2319
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2320 // Can't have both "horizontal" and "vertical".
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2321 if ((diff_flags_new & DIFF_HORIZONTAL) && (diff_flags_new & DIFF_VERTICAL))
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2322 return FAIL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2323
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2324 // If flags were added or removed, or the algorithm was changed, need to
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2325 // update the diff.
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2326 if (diff_flags != diff_flags_new \|\| diff_algorithm != diff_algorithm_new)
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	2327 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2328 tp->tp_diff_invalid = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2329
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2330 diff_flags = diff_flags_new;
15900 360c93a884d0 patch 8.1.0956: using context:0 in 'diffopt' does not work well Bram Moolenaar <Bram@vim.org> parents: 15840 diff changeset	2331 diff_context = diff_context_new == 0 ? 1 : diff_context_new;
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2332 diff_foldcolumn = diff_foldcolumn_new;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2333 diff_algorithm = diff_algorithm_new;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2334
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2335 diff_redraw(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2336
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2337 // recompute the scroll binding with the new option value, may
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2338 // remove or add filler lines
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2339 check_scrollbind((linenr_T)0, 0L);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2340
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2341 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2342 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2343
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2344 /*
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2345 * Return TRUE if 'diffopt' contains "horizontal".
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2346 */
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2347 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2348 diffopt_horizontal(void)
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2349 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2350 return (diff_flags & DIFF_HORIZONTAL) != 0;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2351 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2352
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2353 /*
12971 ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2354 * Return TRUE if 'diffopt' contains "hiddenoff".
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2355 */
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2356 int
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2357 diffopt_hiddenoff(void)
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2358 {
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2359 return (diff_flags & DIFF_HIDDEN_OFF) != 0;
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2360 }
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2361
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2362 /*
18590 41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2363 * Return TRUE if 'diffopt' contains "closeoff".
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2364 */
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2365 int
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2366 diffopt_closeoff(void)
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2367 {
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2368 return (diff_flags & DIFF_CLOSE_OFF) != 0;
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2369 }
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2370
41484f342f80 patch 8.1.2289: after :diffsplit closing the window does not disable diff Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2371 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2372 * Find the difference within a changed line.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2373 * Returns TRUE if the line was added, no other buffer has it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2374 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2375 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2376 diff_find_change(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2377 win_T *wp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2378 linenr_T lnum,
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2379 int *startp, // first char of the change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2380 int *endp) // last char of the change
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2381 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2382 char_u *line_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2383 char_u *line_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2384 int i;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2385 int si_org, si_new;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2386 int ei_org, ei_new;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2387 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2388 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2389 int off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2390 int added = TRUE;
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2391 char_u p1, p2;
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2392 int l;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2393
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2394 // Make a copy of the line, the next ml_get() will invalidate it.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2395 line_org = vim_strsave(ml_get_buf(wp->w_buffer, lnum, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2396 if (line_org == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2397 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2398
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2399 idx = diff_buf_idx(wp->w_buffer);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2400 if (idx == DB_COUNT) // cannot happen
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2401 {
a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2402 vim_free(line_org);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2403 return FALSE;
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2404 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2405
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2406 // search for a change that includes "lnum" in the list of diffblocks.
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	2407 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2408 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2409 break;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2410 if (dp == NULL \|\| diff_check_sanity(curtab, dp) == FAIL)
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2411 {
a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2412 vim_free(line_org);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2413 return FALSE;
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2414 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2415
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2416 off = lnum - dp->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2417
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2418 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2419 if (curtab->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2420 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2421 // Skip lines that are not in the other change (filler lines).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2422 if (off >= dp->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2423 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2424 added = FALSE;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2425 line_new = ml_get_buf(curtab->tp_diffbuf[i],
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2426 dp->df_lnum[i] + off, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2427
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2428 // Search for start of difference
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2429 si_org = si_new = 0;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2430 while (line_org[si_org] != NUL)
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2431 {
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2432 if (((diff_flags & DIFF_IWHITE)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2433 && VIM_ISWHITE(line_org[si_org])
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2434 && VIM_ISWHITE(line_new[si_new]))
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2435 \|\| ((diff_flags & DIFF_IWHITEALL)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2436 && (VIM_ISWHITE(line_org[si_org])
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2437 \|\| VIM_ISWHITE(line_new[si_new]))))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2438 {
835 8bebcabccc2c updated for version 7.0e01 vimboss parents: 829 diff changeset	2439 si_org = (int)(skipwhite(line_org + si_org) - line_org);
8bebcabccc2c updated for version 7.0e01 vimboss parents: 829 diff changeset	2440 si_new = (int)(skipwhite(line_new + si_new) - line_new);
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2441 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2442 else
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2443 {
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2444 if (!diff_equal_char(line_org + si_org, line_new + si_new,
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2445 &l))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2446 break;
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2447 si_org += l;
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2448 si_new += l;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2449 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2450 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2451 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2452 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2453 // Move back to first byte of character in both lines (may
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2454 // have "nn^" in line_org and "n^ in line_new).
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2455 si_org -= (*mb_head_off)(line_org, line_org + si_org);
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2456 si_new -= (*mb_head_off)(line_new, line_new + si_new);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2457 }
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2458 if (*startp > si_org)
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2459 *startp = si_org;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2460
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2461 // Search for end of difference, if any.
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2462 if (line_org[si_org] != NUL \|\| line_new[si_new] != NUL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2463 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2464 ei_org = (int)STRLEN(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2465 ei_new = (int)STRLEN(line_new);
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2466 while (ei_org >= *startp && ei_new >= si_new
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2467 && ei_org >= 0 && ei_new >= 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2468 {
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2469 if (((diff_flags & DIFF_IWHITE)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2470 && VIM_ISWHITE(line_org[ei_org])
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2471 && VIM_ISWHITE(line_new[ei_new]))
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2472 \|\| ((diff_flags & DIFF_IWHITEALL)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2473 && (VIM_ISWHITE(line_org[ei_org])
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2474 \|\| VIM_ISWHITE(line_new[ei_new]))))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2475 {
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2476 while (ei_org >= *startp
11129 f4ea50924c6d patch 8.0.0452: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	2477 && VIM_ISWHITE(line_org[ei_org]))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2478 --ei_org;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2479 while (ei_new >= si_new
11129 f4ea50924c6d patch 8.0.0452: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	2480 && VIM_ISWHITE(line_new[ei_new]))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2481 --ei_new;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2482 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2483 else
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2484 {
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2485 p1 = line_org + ei_org;
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2486 p2 = line_new + ei_new;
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2487 p1 -= (*mb_head_off)(line_org, p1);
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2488 p2 -= (*mb_head_off)(line_new, p2);
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2489 if (!diff_equal_char(p1, p2, &l))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2490 break;
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2491 ei_org -= l;
40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2492 ei_new -= l;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2493 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2494 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2495 if (*endp < ei_org)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2496 *endp = ei_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2497 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2498 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2499
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2500 vim_free(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2501 return added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2502 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2503
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2504 #if defined(FEAT_FOLDING) \|\| defined(PROTO)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2505 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2506 * Return TRUE if line "lnum" is not close to a diff block, this line should
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2507 * be in a fold.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2508 * Return FALSE if there are no diff blocks at all in this window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2509 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2510 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2511 diff_infold(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2512 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2513 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2514 int idx = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2515 int other = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2516 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2517
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2518 // Return if 'diff' isn't set.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2519 if (!wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2520 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2521
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2522 for (i = 0; i < DB_COUNT; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2523 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2524 if (curtab->tp_diffbuf[i] == wp->w_buffer)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2525 idx = i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2526 else if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2527 other = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2528 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2529
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2530 // return here if there are no diffs in the window
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2531 if (idx == -1 \|\| !other)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2532 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2533
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2534 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2535 ex_diffupdate(NULL); // update after a big change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2536
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2537 // Return if there are no diff blocks. All lines will be folded.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2538 if (curtab->tp_first_diff == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2539 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2540
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	2541 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2542 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2543 // If this change is below the line there can't be any further match.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2544 if (dp->df_lnum[idx] - diff_context > lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2545 break;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2546 // If this change ends before the line we have a match.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2547 if (dp->df_lnum[idx] + dp->df_count[idx] + diff_context > lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2548 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2549 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2550 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2551 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2552 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2553
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2554 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2555 * "dp" and "do" commands.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2556 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2557 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2558 nv_diffgetput(int put, long count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2559 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2560 exarg_T ea;
6314 df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2561 char_u buf[30];
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2562
14019 dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2563 #ifdef FEAT_JOB_CHANNEL
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2564 if (bt_prompt(curbuf))
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2565 {
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2566 vim_beep(BO_OPER);
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2567 return;
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2568 }
dc67449d648c patch 8.1.0027: difficult to make a plugin that feeds a line to a job Christian Brabandt <cb@256bit.org> parents: 13802 diff changeset	2569 #endif
6314 df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2570 if (count == 0)
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2571 ea.arg = (char_u *)"";
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2572 else
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2573 {
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2574 vim_snprintf((char *)buf, 30, "%ld", count);
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2575 ea.arg = buf;
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2576 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2577 if (put)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2578 ea.cmdidx = CMD_diffput;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2579 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2580 ea.cmdidx = CMD_diffget;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2581 ea.addr_count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2582 ea.line1 = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2583 ea.line2 = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2584 ex_diffgetput(&ea);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2585 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2586
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2587 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2588 * ":diffget"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2589 * ":diffput"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2590 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2591 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2592 ex_diffgetput(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2593 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2594 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2595 int count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2596 linenr_T off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2597 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2598 diff_T *dprev;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2599 diff_T *dfree;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2600 int idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2601 int idx_other;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2602 int idx_from;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2603 int idx_to;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2604 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2605 int added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2606 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2607 aco_save_T aco;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2608 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2609 int start_skip, end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2610 int new_count;
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2611 int buf_empty;
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2612 int found_not_ma = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2613
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2614 // Find the current buffer in the list of diff buffers.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2615 idx_cur = diff_buf_idx(curbuf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2616 if (idx_cur == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2617 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2618 emsg(_("E99: Current buffer is not in diff mode"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2619 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2620 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2621
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2622 if (*eap->arg == NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2623 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2624 // No argument: Find the other buffer in the list of diff buffers.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2625 for (idx_other = 0; idx_other < DB_COUNT; ++idx_other)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2626 if (curtab->tp_diffbuf[idx_other] != curbuf
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2627 && curtab->tp_diffbuf[idx_other] != NULL)
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2628 {
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2629 if (eap->cmdidx != CMD_diffput
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2630 \|\| curtab->tp_diffbuf[idx_other]->b_p_ma)
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2631 break;
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2632 found_not_ma = TRUE;
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2633 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2634 if (idx_other == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2635 {
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2636 if (found_not_ma)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2637 emsg(_("E793: No other buffer in diff mode is modifiable"));
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2638 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2639 emsg(_("E100: No other buffer in diff mode"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2640 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2641 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2642
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2643 // Check that there isn't a third buffer in the list
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2644 for (i = idx_other + 1; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2645 if (curtab->tp_diffbuf[i] != curbuf
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2646 && curtab->tp_diffbuf[i] != NULL
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2647 && (eap->cmdidx != CMD_diffput \|\| curtab->tp_diffbuf[i]->b_p_ma))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2648 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2649 emsg(_("E101: More than two buffers in diff mode, don't know which one to use"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2650 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2651 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2652 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2653 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2654 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2655 // Buffer number or pattern given. Ignore trailing white space.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2656 p = eap->arg + STRLEN(eap->arg);
11129 f4ea50924c6d patch 8.0.0452: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	2657 while (p > eap->arg && VIM_ISWHITE(p[-1]))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2658 --p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2659 for (i = 0; vim_isdigit(eap->arg[i]) && eap->arg + i < p; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2660 ;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2661 if (eap->arg + i == p) // digits only
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2662 i = atol((char *)eap->arg);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2663 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2664 {
4236 23ce9a61bdc2 updated for version 7.3.869 Bram Moolenaar <bram@vim.org> parents: 3904 diff changeset	2665 i = buflist_findpat(eap->arg, p, FALSE, TRUE, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2666 if (i < 0)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2667 return; // error message already given
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2668 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2669 buf = buflist_findnr(i);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2670 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2671 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2672 semsg(_("E102: Can't find buffer \"%s\""), eap->arg);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2673 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2674 }
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	2675 if (buf == curbuf)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2676 return; // nothing to do
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2677 idx_other = diff_buf_idx(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2678 if (idx_other == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2679 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2680 semsg(_("E103: Buffer \"%s\" is not in diff mode"), eap->arg);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2681 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2682 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2683 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2684
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2685 diff_busy = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2686
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2687 // When no range given include the line above or below the cursor.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2688 if (eap->addr_count == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2689 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2690 // Make it possible that ":diffget" on the last line gets line below
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2691 // the cursor line when there is no difference above the cursor.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2692 if (eap->cmdidx == CMD_diffget
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2693 && eap->line1 == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2694 && diff_check(curwin, eap->line1) == 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2695 && (eap->line1 == 1 \|\| diff_check(curwin, eap->line1 - 1) == 0))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2696 ++eap->line2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2697 else if (eap->line1 > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2698 --eap->line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2699 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2700
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2701 if (eap->cmdidx == CMD_diffget)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2702 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2703 idx_from = idx_other;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2704 idx_to = idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2705 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2706 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2707 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2708 idx_from = idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2709 idx_to = idx_other;
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2710 // Need to make the other buffer the current buffer to be able to make
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2711 // changes in it.
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2712 // set curwin/curbuf to buf and save a few things
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2713 aucmd_prepbuf(&aco, curtab->tp_diffbuf[idx_other]);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2714 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2715
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2716 // May give the warning for a changed buffer here, which can trigger the
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2717 // FileChangedRO autocommand, which may do nasty things and mess
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2718 // everything up.
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2719 if (!curbuf->b_changed)
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2720 {
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2721 change_warning(0);
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2722 if (diff_buf_idx(curbuf) != idx_to)
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2723 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2724 emsg(_("E787: Buffer changed unexpectedly"));
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2725 goto theend;
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2726 }
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2727 }
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2728
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2729 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2730 for (dp = curtab->tp_first_diff; dp != NULL; )
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2731 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2732 if (dp->df_lnum[idx_cur] > eap->line2 + off)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2733 break; // past the range that was specified
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2734
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2735 dfree = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2736 lnum = dp->df_lnum[idx_to];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2737 count = dp->df_count[idx_to];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2738 if (dp->df_lnum[idx_cur] + dp->df_count[idx_cur] > eap->line1 + off
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2739 && u_save(lnum - 1, lnum + count) != FAIL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2740 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2741 // Inside the specified range and saving for undo worked.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2742 start_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2743 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2744 if (eap->addr_count > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2745 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2746 // A range was specified: check if lines need to be skipped.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2747 start_skip = eap->line1 + off - dp->df_lnum[idx_cur];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2748 if (start_skip > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2749 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2750 // range starts below start of current diff block
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2751 if (start_skip > count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2752 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2753 lnum += count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2754 count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2755 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2756 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2757 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2758 count -= start_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2759 lnum += start_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2760 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2761 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2762 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2763 start_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2764
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2765 end_skip = dp->df_lnum[idx_cur] + dp->df_count[idx_cur] - 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2766 - (eap->line2 + off);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2767 if (end_skip > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2768 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2769 // range ends above end of current/from diff block
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2770 if (idx_cur == idx_from) // :diffput
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2771 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2772 i = dp->df_count[idx_cur] - start_skip - end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2773 if (count > i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2774 count = i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2775 }
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2776 else // :diffget
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2777 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2778 count -= end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2779 end_skip = dp->df_count[idx_from] - start_skip - count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2780 if (end_skip < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2781 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2782 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2783 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2784 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2785 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2786 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2787
11121 778c10516955 patch 8.0.0448: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11113 diff changeset	2788 buf_empty = BUFEMPTY();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2789 added = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2790 for (i = 0; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2791 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2792 // remember deleting the last line of the buffer
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2793 buf_empty = curbuf->b_ml.ml_line_count == 1;
20599 d571231175b4 patch 8.2.0853: ml_delete() often called with FALSE argument Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	2794 ml_delete(lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2795 --added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2796 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2797 for (i = 0; i < dp->df_count[idx_from] - start_skip - end_skip; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2798 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2799 linenr_T nr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2800
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2801 nr = dp->df_lnum[idx_from] + start_skip + i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2802 if (nr > curtab->tp_diffbuf[idx_from]->b_ml.ml_line_count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2803 break;
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2804 p = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx_from],
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2805 nr, FALSE));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2806 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2807 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2808 ml_append(lnum + i - 1, p, 0, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2809 vim_free(p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2810 ++added;
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2811 if (buf_empty && curbuf->b_ml.ml_line_count == 2)
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2812 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2813 // Added the first line into an empty buffer, need to
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2814 // delete the dummy empty line.
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2815 buf_empty = FALSE;
20599 d571231175b4 patch 8.2.0853: ml_delete() often called with FALSE argument Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	2816 ml_delete((linenr_T)2);
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2817 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2818 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2819 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2820 new_count = dp->df_count[idx_to] + added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2821 dp->df_count[idx_to] = new_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2822
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2823 if (start_skip == 0 && end_skip == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2824 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2825 // Check if there are any other buffers and if the diff is
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2826 // equal in them.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2827 for (i = 0; i < DB_COUNT; ++i)
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2828 if (curtab->tp_diffbuf[i] != NULL && i != idx_from
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2829 && i != idx_to
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2830 && !diff_equal_entry(dp, idx_from, i))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2831 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2832 if (i == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2833 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2834 // delete the diff entry, the buffers are now equal here
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2835 dfree = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2836 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2837 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2838 curtab->tp_first_diff = dp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2839 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2840 dprev->df_next = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2841 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2842 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2843
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2844 // Adjust marks. This will change the following entries!
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2845 if (added != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2846 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2847 mark_adjust(lnum, lnum + count - 1, (long)MAXLNUM, (long)added);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2848 if (curwin->w_cursor.lnum >= lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2849 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2850 // Adjust the cursor position if it's in/after the changed
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2851 // lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2852 if (curwin->w_cursor.lnum >= lnum + count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2853 curwin->w_cursor.lnum += added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2854 else if (added < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2855 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2856 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2857 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2858 changed_lines(lnum, 0, lnum + count, (long)added);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2859
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2860 if (dfree != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2861 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2862 // Diff is deleted, update folds in other windows.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2863 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2864 diff_fold_update(dfree, idx_to);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2865 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2866 vim_free(dfree);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2867 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2868 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2869 // mark_adjust() may have changed the count in a wrong way
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2870 dp->df_count[idx_to] = new_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2871
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2872 // When changing the current buffer, keep track of line numbers
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2873 if (idx_cur == idx_to)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2874 off += added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2875 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2876
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2877 // If before the range or not deleted, go to next diff.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2878 if (dfree == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2879 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2880 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2881 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2882 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2883 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2884
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2885 // restore curwin/curbuf and a few other things
2445 04dae202d316 Fixes for coverity warnings. Bram Moolenaar <bram@vim.org> parents: 2250 diff changeset	2886 if (eap->cmdidx != CMD_diffget)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2887 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2888 // Syncing undo only works for the current buffer, but we change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2889 // another buffer. Sync undo if the command was typed. This isn't
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2890 // 100% right when ":diffput" is used in a function or mapping.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2891 if (KeyTyped)
825 6675076019ae updated for version 7.0d vimboss parents: 819 diff changeset	2892 u_sync(FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2893 aucmd_restbuf(&aco);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2894 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2895
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2896 theend:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2897 diff_busy = FALSE;
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2898 if (diff_need_update)
14893 291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2899 ex_diffupdate(NULL);
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2900
14972 5d52b21b2e7f patch 8.1.0497: :%diffput changes order of lines Bram Moolenaar <Bram@vim.org> parents: 14893 diff changeset	2901 // Check that the cursor is on a valid character and update its
14893 291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2902 // position. When there were filler lines the topline has become
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2903 // invalid.
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2904 check_cursor();
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2905 changed_line_abv_curs();
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2906
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2907 if (diff_need_update)
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2908 // redraw already done by ex_diffupdate()
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2909 diff_need_update = FALSE;
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2910 else
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2911 {
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2912 // Also need to redraw the other buffers.
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2913 diff_redraw(FALSE);
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2914 apply_autocmds(EVENT_DIFFUPDATED, NULL, NULL, FALSE, curbuf);
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2915 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2916 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2917
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2918 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2919 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2920 * Update folds for all diff buffers for entry "dp".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2921 * Skip buffer with index "skip_idx".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2922 * When there are no diffs, all folds are removed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2923 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2924 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2925 diff_fold_update(diff_T *dp, int skip_idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2926 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2927 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2928 win_T *wp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2929
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	2930 FOR_ALL_WINDOWS(wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2931 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2932 if (curtab->tp_diffbuf[i] == wp->w_buffer && i != skip_idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2933 foldUpdate(wp, dp->df_lnum[i],
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2934 dp->df_lnum[i] + dp->df_count[i]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2935 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2936 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2937
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2938 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2939 * Return TRUE if buffer "buf" is in diff-mode.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2940 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2941 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2942 diff_mode_buf(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2943 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2944 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2945
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	2946 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2947 if (diff_buf_idx_tp(buf, tp) != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2948 return TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2949 return FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2950 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2951
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2952 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2953 * Move "count" times in direction "dir" to the next diff block.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2954 * Return FAIL if there isn't such a diff block.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2955 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2956 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2957 diff_move_to(int dir, long count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2958 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2959 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2960 linenr_T lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2961 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2962
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2963 idx = diff_buf_idx(curbuf);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2964 if (idx == DB_COUNT \|\| curtab->tp_first_diff == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2965 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2966
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2967 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2968 ex_diffupdate(NULL); // update after a big change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2969
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2970 if (curtab->tp_first_diff == NULL) // no diffs today
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2971 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2972
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2973 while (--count >= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2974 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2975 // Check if already before first diff.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2976 if (dir == BACKWARD && lnum <= curtab->tp_first_diff->df_lnum[idx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2977 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2978
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2979 for (dp = curtab->tp_first_diff; ; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2980 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2981 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2982 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2983 if ((dir == FORWARD && lnum < dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2984 \|\| (dir == BACKWARD
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2985 && (dp->df_next == NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2986 \|\| lnum <= dp->df_next->df_lnum[idx])))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2987 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2988 lnum = dp->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2989 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2990 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2991 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2992 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2993
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2994 // don't end up past the end of the file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2995 if (lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2996 lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2997
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	2998 // When the cursor didn't move at all we fail.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2999 if (lnum == curwin->w_cursor.lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3000 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3001
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3002 setpcmark();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3003 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3004 curwin->w_cursor.col = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3005
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3006 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3007 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3008
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3009 /*
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3010 * Return the line number in the current window that is closest to "lnum1" in
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3011 * "buf1" in diff mode.
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3012 */
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3013 static linenr_T
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3014 diff_get_corresponding_line_int(
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	3015 buf_T *buf1,
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3016 linenr_T lnum1)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3017 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3018 int idx1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3019 int idx2;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3020 diff_T *dp;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3021 int baseline = 0;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3022
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3023 idx1 = diff_buf_idx(buf1);
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3024 idx2 = diff_buf_idx(curbuf);
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3025 if (idx1 == DB_COUNT \|\| idx2 == DB_COUNT \|\| curtab->tp_first_diff == NULL)
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3026 return lnum1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3027
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3028 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3029 ex_diffupdate(NULL); // update after a big change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3030
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3031 if (curtab->tp_first_diff == NULL) // no diffs today
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3032 return lnum1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3033
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	3034 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3035 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3036 if (dp->df_lnum[idx1] > lnum1)
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3037 return lnum1 - baseline;
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3038 if ((dp->df_lnum[idx1] + dp->df_count[idx1]) > lnum1)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3039 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3040 // Inside the diffblock
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3041 baseline = lnum1 - dp->df_lnum[idx1];
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3042 if (baseline > dp->df_count[idx2])
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3043 baseline = dp->df_count[idx2];
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3044
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3045 return dp->df_lnum[idx2] + baseline;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3046 }
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3047 if ( (dp->df_lnum[idx1] == lnum1)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3048 && (dp->df_count[idx1] == 0)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3049 && (dp->df_lnum[idx2] <= curwin->w_cursor.lnum)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3050 && ((dp->df_lnum[idx2] + dp->df_count[idx2])
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3051 > curwin->w_cursor.lnum))
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3052 /*
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3053 * Special case: if the cursor is just after a zero-count
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3054 * block (i.e. all filler) and the target cursor is already
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3055 * inside the corresponding block, leave the target cursor
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3056 * unmoved. This makes repeated CTRL-W W operations work
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3057 * as expected.
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3058 */
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3059 return curwin->w_cursor.lnum;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3060 baseline = (dp->df_lnum[idx1] + dp->df_count[idx1])
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3061 - (dp->df_lnum[idx2] + dp->df_count[idx2]);
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3062 }
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3063
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3064 // If we get here then the cursor is after the last diff
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3065 return lnum1 - baseline;
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3066 }
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3067
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3068 /*
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3069 * Return the line number in the current window that is closest to "lnum1" in
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3070 * "buf1" in diff mode. Checks the line number to be valid.
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3071 */
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3072 linenr_T
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3073 diff_get_corresponding_line(buf_T *buf1, linenr_T lnum1)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3074 {
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3075 linenr_T lnum = diff_get_corresponding_line_int(buf1, lnum1);
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3076
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3077 // don't end up past the end of the file
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3078 if (lnum > curbuf->b_ml.ml_line_count)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3079 return curbuf->b_ml.ml_line_count;
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3080 return lnum;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3081 }
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3082
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3083 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3084 * For line "lnum" in the current window find the equivalent lnum in window
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3085 * "wp", compensating for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3086 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3087 linenr_T
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	3088 diff_lnum_win(linenr_T lnum, win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3089 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3090 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3091 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3092 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3093 linenr_T n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3094
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3095 idx = diff_buf_idx(curbuf);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3096 if (idx == DB_COUNT) // safety check
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3097 return (linenr_T)0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3098
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	3099 if (curtab->tp_diff_invalid)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3100 ex_diffupdate(NULL); // update after a big change
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3101
3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3102 // search for a change that includes "lnum" in the list of diffblocks.
19888 435726a03481 patch 8.2.0500: using the same loop in many places Bram Moolenaar <Bram@vim.org> parents: 18777 diff changeset	3103 FOR_ALL_DIFFBLOCKS_IN_TAB(curtab, dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3104 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3105 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3106
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3107 // When after the last change, compute relative to the last line number.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3108 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3109 return wp->w_buffer->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3110 - (curbuf->b_ml.ml_line_count - lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3111
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3112 // Find index for "wp".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3113 i = diff_buf_idx(wp->w_buffer);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3114 if (i == DB_COUNT) // safety check
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3115 return (linenr_T)0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3116
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3117 n = lnum + (dp->df_lnum[i] - dp->df_lnum[idx]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3118 if (n > dp->df_lnum[i] + dp->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3119 n = dp->df_lnum[i] + dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3120 return n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3121 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3122
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3123 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3124 * Handle an ED style diff line.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3125 * Return FAIL if the line does not contain diff info.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3126 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3127 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3128 parse_diff_ed(
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3129 char_u *line,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3130 linenr_T *lnum_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3131 long *count_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3132 linenr_T *lnum_new,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3133 long *count_new)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3134 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3135 char_u *p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3136 long f1, l1, f2, l2;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3137 int difftype;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3138
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3139 // The line must be one of three formats:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3140 // change: {first}[,{last}]c{first}[,{last}]
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3141 // append: {first}a{first}[,{last}]
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3142 // delete: {first}[,{last}]d{first}
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3143 p = line;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3144 f1 = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3145 if (*p == ',')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3146 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3147 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3148 l1 = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3149 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3150 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3151 l1 = f1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3152 if (p != 'a' && p != 'c' && *p != 'd')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3153 return FAIL; // invalid diff format
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3154 difftype = *p++;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3155 f2 = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3156 if (*p == ',')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3157 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3158 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3159 l2 = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3160 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3161 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3162 l2 = f2;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3163 if (l1 < f1 \|\| l2 < f2)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3164 return FAIL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3165
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3166 if (difftype == 'a')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3167 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3168 *lnum_orig = f1 + 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3169 *count_orig = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3170 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3171 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3172 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3173 *lnum_orig = f1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3174 *count_orig = l1 - f1 + 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3175 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3176 if (difftype == 'd')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3177 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3178 *lnum_new = f2 + 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3179 *count_new = 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3180 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3181 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3182 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3183 *lnum_new = f2;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3184 *count_new = l2 - f2 + 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3185 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3186 return OK;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3187 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3188
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3189 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3190 * Parses unified diff with zero(!) context lines.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3191 * Return FAIL if there is no diff information in "line".
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3192 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3193 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3194 parse_diff_unified(
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3195 char_u *line,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3196 linenr_T *lnum_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3197 long *count_orig,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3198 linenr_T *lnum_new,
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3199 long *count_new)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3200 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3201 char_u *p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3202 long oldline, oldcount, newline, newcount;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3203
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3204 // Parse unified diff hunk header:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3205 // @@ -oldline,oldcount +newline,newcount @@
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3206 p = line;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3207 if (p++ == '@' && p++ == '@' && p++ == ' ' && p++ == '-')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3208 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3209 oldline = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3210 if (*p == ',')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3211 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3212 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3213 oldcount = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3214 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3215 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3216 oldcount = 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3217 if (p++ == ' ' && p++ == '+')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3218 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3219 newline = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3220 if (*p == ',')
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3221 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3222 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3223 newcount = getdigits(&p);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3224 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3225 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3226 newcount = 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3227 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3228 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3229 return FAIL; // invalid diff format
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3230
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3231 if (oldcount == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3232 oldline += 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3233 if (newcount == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3234 newline += 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3235 if (newline == 0)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3236 newline = 1;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3237
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3238 *lnum_orig = oldline;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3239 *count_orig = oldcount;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3240 *lnum_new = newline;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3241 *count_new = newcount;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3242
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3243 return OK;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3244 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3245
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3246 return FAIL;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3247 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3248
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3249 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3250 * Callback function for the xdl_diff() function.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3251 * Stores the diff output in a grow array.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3252 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3253 static int
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3254 xdiff_out(void priv, mmbuffer_t mb, int nbuf)
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3255 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3256 diffout_T dout = (diffout_T )priv;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3257 char_u *p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3258
14982 d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3259 // The header line always comes by itself, text lines in at least two
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3260 // parts. We drop the text part.
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3261 if (nbuf > 1)
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3262 return 0;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3263
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3264 // sanity check
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3265 if (STRNCMP(mb[0].ptr, "@@ ", 3) != 0)
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3266 return 0;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3267
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3268 if (ga_grow(&dout->dout_ga, 1) == FAIL)
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3269 return -1;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3270 p = vim_strnsave((char_u *)mb[0].ptr, mb[0].size);
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3271 if (p == NULL)
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3272 return -1;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3273 ((char_u **)dout->dout_ga.ga_data)[dout->dout_ga.ga_len++] = p;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3274 return 0;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3275 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3276
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3277 #endif // FEAT_DIFF
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3278
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3279 #if defined(FEAT_EVAL) \|\| defined(PROTO)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3280
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3281 /*
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3282 * "diff_filler()" function
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3283 */
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3284 void
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3285 f_diff_filler(typval_T argvars UNUSED, typval_T rettv UNUSED)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3286 {
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3287 #ifdef FEAT_DIFF
25384 e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25314 diff changeset	3288 if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL)
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25314 diff changeset	3289 return;
e8e2c4d33b9b patch 8.2.3229: Vim9: runtime and compile time type checks are not the same Bram Moolenaar <Bram@vim.org> parents: 25314 diff changeset	3290
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3291 rettv->vval.v_number = diff_check_fill(curwin, tv_get_lnum(argvars));
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3292 #endif
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3293 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3294
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3295 /*
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3296 * "diff_hlID()" function
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3297 */
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3298 void
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3299 f_diff_hlID(typval_T argvars UNUSED, typval_T rettv UNUSED)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3300 {
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3301 #ifdef FEAT_DIFF
25272 712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3302 linenr_T lnum;
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3303 static linenr_T prev_lnum = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3304 static varnumber_T changedtick = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3305 static int fnum = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3306 static int change_start = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3307 static int change_end = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3308 static hlf_T hlID = (hlf_T)0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3309 int filler_lines;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3310 int col;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3311
25272 712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3312 if (in_vim9script()
25314 7e620652bd13 patch 8.2.3194: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 25302 diff changeset	3313 && (check_for_lnum_arg(argvars,0) == FAIL
25272 712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3314 \|\| check_for_number_arg(argvars, 1) == FAIL))
712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3315 return;
712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3316
712e867f9721 patch 8.2.3173: Vim9: argument types are not checked at compile time Bram Moolenaar <Bram@vim.org> parents: 24683 diff changeset	3317 lnum = tv_get_lnum(argvars);
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3318 if (lnum < 0) // ignore type error in {lnum} arg
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3319 lnum = 0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3320 if (lnum != prev_lnum
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3321 \|\| changedtick != CHANGEDTICK(curbuf)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3322 \|\| fnum != curbuf->b_fnum)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3323 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3324 // New line, buffer, change: need to get the values.
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3325 filler_lines = diff_check(curwin, lnum);
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3326 if (filler_lines < 0)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3327 {
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3328 if (filler_lines == -1)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3329 {
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3330 change_start = MAXCOL;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3331 change_end = -1;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3332 if (diff_find_change(curwin, lnum, &change_start, &change_end))
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3333 hlID = HLF_ADD; // added line
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3334 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3335 hlID = HLF_CHD; // changed line
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3336 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3337 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3338 hlID = HLF_ADD; // added line
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3339 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3340 else
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3341 hlID = (hlf_T)0;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3342 prev_lnum = lnum;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3343 changedtick = CHANGEDTICK(curbuf);
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3344 fnum = curbuf->b_fnum;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3345 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3346
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3347 if (hlID == HLF_CHD \|\| hlID == HLF_TXD)
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3348 {
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3349 col = tv_get_number(&argvars[1]) - 1; // ignore type error in {col}
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3350 if (col >= change_start && col <= change_end)
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3351 hlID = HLF_TXD; // changed text
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3352 else
18777 3a68dc2a1bc1 patch 8.1.2378: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18619 diff changeset	3353 hlID = HLF_CHD; // changed line
17986 5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3354 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3355 rettv->vval.v_number = hlID == (hlf_T)0 ? 0 : (int)hlID;
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3356 #endif
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3357 }
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3358
5c8906f653f5 patch 8.1.1989: the evalfunc.c file is still too big Bram Moolenaar <Bram@vim.org> parents: 17851 diff changeset	3359 #endif

Mercurial > vim

annotate src/diff.c @ 25961:a21a47c83e0c v8.2.3514