vim: src/diff.c annotate

annotate src/diff.c @ 20751:d9a2e5dcfd9f v8.2.0928

patch 8.2.0928: many type casts are used for vim_strnsave() Commit: https://github.com/vim/vim/commit/df44a27b53586fccfc6a3aedc89061fdd9a515ff Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 7 20:49:05 2020 +0200 patch 8.2.0928: many type casts are used for vim_strnsave() Problem: Many type casts are used for vim_strnsave(). Solution: Make the length argument size_t instead of int. (Ken Takata, closes #5633) Remove some type casts.

author	Bram Moolenaar <Bram@vim.org>
date	Sun, 07 Jun 2020 21:00:03 +0200
parents	d571231175b4
children	097f5b5c907b

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

Mercurial > vim

annotate src/diff.c @ 20751:d9a2e5dcfd9f v8.2.0928