vim: src/diff.c annotate

annotate src/diff.c @ 15971:ced614446eaa v8.1.0991

patch 8.1.0991: cannot build with a mix of features commit https://github.com/vim/vim/commit/975880b6e6de473b512995ef87ce072aaca934cf Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 3 14:42:11 2019 +0100 patch 8.1.0991: cannot build with a mix of features Problem: Cannot build with FEAT_EVAL defined and FEAT_SEARCH_EXTRA undefined, and with FEAT_DIFF defined and FEAT_EVAL undefined. Solution: Add a couple of #ifdefs. (closes #4067)

author	Bram Moolenaar <Bram@vim.org>
date	Sun, 03 Mar 2019 14:45:06 +0100
parents	360c93a884d0
children	ef00b6bc186b

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
3fc0f57ecb91 updated for version 7.0001 vimboss parents: 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
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	38 #define ALL_WHITE_DIFF (DIFF_IWHITE \| DIFF_IWHITEALL \| DIFF_IWHITEEOL)
14716 973d3f4d8017 patch 8.1.0370: not using internal diff if 'diffopt' is not changed Christian Brabandt <cb@256bit.org> parents: 14696 diff changeset	39 static int diff_flags = DIFF_INTERNAL \| DIFF_FILLER;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	40
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	41 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	42
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	43 #define LBUFLEN 50 /* length of line in diff file */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	44
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	45 static int diff_a_works = MAYBE; /* TRUE when "diff -a" works, FALSE when it
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	46 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	47 #if defined(MSWIN)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	48 static int diff_bin_works = MAYBE; /* TRUE when "diff --binary" works, FALSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	49 when it doesn't work, MAYBE when not
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	50 checked yet */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	51 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	52
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	53 // 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	54 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	55 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	56 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	57 } 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	58
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	59 // 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	60 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	61 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	62 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	63 } 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	64
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	65 // 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	66 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	67 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	68 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	69 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	70 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	71 } 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	72
7799 af3c41a3c53f commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a Christian Brabandt <cb@256bit.org> parents: 7338 diff changeset	73 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	74 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	75 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	76 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	77 static int diff_check_sanity(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 void diff_redraw(int dofold);
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
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	93 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	94 * Called when deleting or unloading a buffer: No longer make a diff with it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	95 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	96 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	97 diff_buf_delete(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	98 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	99 int i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	100 tabpage_T *tp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	101
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	102 FOR_ALL_TABPAGES(tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	103 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	104 i = diff_buf_idx_tp(buf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	105 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	106 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	107 tp->tp_diffbuf[i] = NULL;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	108 tp->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	109 if (tp == curtab)
0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	110 diff_redraw(TRUE);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	111 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	112 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	113 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	114
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	115 /*
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	116 * 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	117 * diff buffers.
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	118 */
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	119 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	120 diff_buf_adjust(win_T *win)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	121 {
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	122 win_T *wp;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	123 int i;
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 if (!win->w_p_diff)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	126 {
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	127 /* When there is no window showing a diff for this buffer, remove
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	128 * it from the diffs. */
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	129 FOR_ALL_WINDOWS(wp)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	130 if (wp->w_buffer == win->w_buffer && wp->w_p_diff)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	131 break;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	132 if (wp == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	133 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	134 i = diff_buf_idx(win->w_buffer);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	135 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	136 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	137 curtab->tp_diffbuf[i] = NULL;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	138 curtab->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	139 diff_redraw(TRUE);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	140 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	141 }
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	142 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	143 else
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	144 diff_buf_add(win->w_buffer);
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	145 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	146
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	147 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	148 * Add a buffer to make diffs for.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	149 * 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	150 * 'diff' is set.
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	151 * 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	152 * This must be done before any autocmd, because a command may use info
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	153 * about the screen contents.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	154 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	155 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	156 diff_buf_add(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	157 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	158 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	159
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	160 if (diff_buf_idx(buf) != DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	161 return; /* It's already there. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	162
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	163 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	164 if (curtab->tp_diffbuf[i] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	165 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	166 curtab->tp_diffbuf[i] = buf;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	167 curtab->tp_diff_invalid = TRUE;
1761 0836531167ab updated for version 7.2-059 vimboss parents: 1757 diff changeset	168 diff_redraw(TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	169 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	170 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	171
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	172 semsg(_("E96: Cannot diff more than %d buffers"), DB_COUNT);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	173 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	174
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	175 /*
10821 d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	176 * 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	177 */
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	178 static void
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	179 diff_buf_clear(void)
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 int i;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	182
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	183 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	184 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	185 {
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	186 curtab->tp_diffbuf[i] = NULL;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	187 curtab->tp_diff_invalid = TRUE;
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	188 diff_redraw(TRUE);
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	189 }
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	190 }
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	191
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	192 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	193 * 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	194 * Return its index or DB_COUNT if not found.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	195 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	196 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	197 diff_buf_idx(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	198 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	199 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	200
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	201 for (idx = 0; idx < DB_COUNT; ++idx)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	202 if (curtab->tp_diffbuf[idx] == buf)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	203 break;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	204 return idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	205 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	206
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	207 /*
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	208 * Find buffer "buf" in the list of diff buffers for tab page "tp".
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	209 * Return its index or DB_COUNT if not found.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	210 */
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	211 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	212 diff_buf_idx_tp(buf_T buf, tabpage_T tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	213 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	214 int idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	215
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	216 for (idx = 0; idx < DB_COUNT; ++idx)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	217 if (tp->tp_diffbuf[idx] == buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	218 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	219 return idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	220 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	221
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	222 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	223 * Mark the diff info involving buffer "buf" as invalid, it will be updated
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	224 * when info is requested.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	225 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	226 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	227 diff_invalidate(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	228 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	229 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	230 int i;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	231
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	232 FOR_ALL_TABPAGES(tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	233 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	234 i = diff_buf_idx_tp(buf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	235 if (i != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	236 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	237 tp->tp_diff_invalid = TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	238 if (tp == curtab)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	239 diff_redraw(TRUE);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	240 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	241 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	242 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	243
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	244 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	245 * Called by mark_adjust(): update line numbers in "curbuf".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	246 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	247 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	248 diff_mark_adjust(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	249 linenr_T line1,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	250 linenr_T line2,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	251 long amount,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	252 long amount_after)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	253 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	254 int idx;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	255 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	256
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	257 /* 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	258 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	259 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	260 idx = diff_buf_idx_tp(curbuf, tp);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	261 if (idx != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	262 diff_mark_adjust_tp(tp, idx, line1, line2, amount, amount_after);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	263 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	264 }
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	265
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	266 /*
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	267 * Update line numbers in tab page "tp" for "curbuf" with index "idx".
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	268 * This attempts to update the changes as much as possible:
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	269 * When inserting/deleting lines outside of existing change blocks, create a
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	270 * new change block and update the line numbers in following blocks.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	271 * When inserting/deleting lines in existing change blocks, update them.
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	272 */
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	273 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	274 diff_mark_adjust_tp(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	275 tabpage_T *tp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	276 int idx,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	277 linenr_T line1,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	278 linenr_T line2,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	279 long amount,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	280 long amount_after)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	281 {
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	282 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	283 diff_T *dprev;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	284 diff_T *dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	285 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	286 int inserted, deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	287 int n, off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	288 linenr_T last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	289 linenr_T lnum_deleted = line1; /* lnum of remaining deletion */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	290 int check_unchanged;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	291
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	292 if (diff_internal())
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	293 {
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	294 // 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	295 // 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	296 // before redrawing.
14972 5d52b21b2e7f patch 8.1.0497: :%diffput changes order of lines Bram Moolenaar <Bram@vim.org> parents: 14893 diff changeset	297 // 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	298 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	299 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	300 }
f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	301
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	302 if (line2 == MAXLNUM)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	303 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	304 /* mark_adjust(99, MAXLNUM, 9, 0): insert lines */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	305 inserted = amount;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	306 deleted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	307 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	308 else if (amount_after > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	309 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	310 /* mark_adjust(99, 98, MAXLNUM, 9): a change that inserts lines*/
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	311 inserted = amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	312 deleted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	313 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	314 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	315 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	316 /* mark_adjust(98, 99, MAXLNUM, -2): delete lines */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	317 inserted = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	318 deleted = -amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	319 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	320
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	321 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	322 dp = tp->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	323 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	324 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	325 /* If the change is after the previous diff block and before the next
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	326 * diff block, thus not touching an existing change, create a new diff
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	327 * block. Don't do this when ex_diffgetput() is busy. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	328 if ((dp == NULL \|\| dp->df_lnum[idx] - 1 > line2
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	329 \|\| (line2 == MAXLNUM && dp->df_lnum[idx] > line1))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	330 && (dprev == NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	331 \|\| dprev->df_lnum[idx] + dprev->df_count[idx] < line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	332 && !diff_busy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	333 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	334 dnext = diff_alloc_new(tp, dprev, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	335 if (dnext == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	336 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	337
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	338 dnext->df_lnum[idx] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	339 dnext->df_count[idx] = inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	340 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	341 if (tp->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	342 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	343 if (dprev == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	344 dnext->df_lnum[i] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	345 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	346 dnext->df_lnum[i] = line1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	347 + (dprev->df_lnum[i] + dprev->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	348 - (dprev->df_lnum[idx] + dprev->df_count[idx]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	349 dnext->df_count[i] = deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	350 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	351 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	352
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	353 /* if at end of the list, quit */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	354 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	355 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	356
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	357 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	358 * Check for these situations:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	359 * 1 2 3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	360 * 1 2 3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	361 * line1 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	362 * 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	363 * 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	364 * line2 2 3 4 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	365 * 3 5 6
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	366 * 3 5 6
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	367 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	368 /* compute last line of this change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	369 last = dp->df_lnum[idx] + dp->df_count[idx] - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	370
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	371 /* 1. change completely above line1: nothing to do */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	372 if (last >= line1 - 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	373 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	374 /* 6. change below line2: only adjust for amount_after; also when
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	375 * "deleted" became zero when deleted all lines between two diffs */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	376 if (dp->df_lnum[idx] - (deleted + inserted != 0) > line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	377 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	378 if (amount_after == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	379 break; /* nothing left to change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	380 dp->df_lnum[idx] += amount_after;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	381 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	382 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	383 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	384 check_unchanged = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	385
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	386 /* 2. 3. 4. 5.: inserted/deleted lines touching this diff. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	387 if (deleted > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	388 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	389 if (dp->df_lnum[idx] >= line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	390 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	391 off = dp->df_lnum[idx] - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	392 if (last <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	393 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	394 /* 4. delete all lines of diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	395 if (dp->df_next != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	396 && dp->df_next->df_lnum[idx] - 1 <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	397 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	398 /* delete continues in next diff, only do
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	399 * lines until that one */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	400 n = dp->df_next->df_lnum[idx] - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	401 deleted -= n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	402 n -= dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	403 lnum_deleted = dp->df_next->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	404 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	405 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	406 n = deleted - dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	407 dp->df_count[idx] = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	408 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	409 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	410 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	411 /* 5. delete lines at or just before top of diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	412 n = off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	413 dp->df_count[idx] -= line2 - dp->df_lnum[idx] + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	414 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	415 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	416 dp->df_lnum[idx] = line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	417 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	418 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	419 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	420 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	421 if (last < line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	422 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	423 /* 2. delete at end of of diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	424 dp->df_count[idx] -= last - lnum_deleted + 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	425 if (dp->df_next != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	426 && dp->df_next->df_lnum[idx] - 1 <= line2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	427 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	428 /* delete continues in next diff, only do
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	429 * lines until that one */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	430 n = dp->df_next->df_lnum[idx] - 1 - last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	431 deleted -= dp->df_next->df_lnum[idx]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	432 - lnum_deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	433 lnum_deleted = dp->df_next->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	434 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	435 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	436 n = line2 - last;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	437 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	438 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	439 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	440 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	441 /* 3. delete lines inside the diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	442 n = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	443 dp->df_count[idx] -= deleted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	444 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	445 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	446
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	447 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	448 if (tp->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	449 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	450 dp->df_lnum[i] -= off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	451 dp->df_count[i] += n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	452 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	453 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	454 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	455 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	456 if (dp->df_lnum[idx] <= line1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	457 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	458 /* inserted lines somewhere in this diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	459 dp->df_count[idx] += inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	460 check_unchanged = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	461 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	462 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	463 /* inserted lines somewhere above this diff */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	464 dp->df_lnum[idx] += inserted;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	465 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	466
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	467 if (check_unchanged)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	468 /* Check if inserted lines are equal, may reduce the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	469 * size of the diff. TODO: also check for equal lines
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	470 * in the middle and perhaps split the block. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	471 diff_check_unchanged(tp, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	472 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	473 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	474
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	475 /* check if this block touches the previous one, may merge them. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	476 if (dprev != NULL && dprev->df_lnum[idx] + dprev->df_count[idx]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	477 == dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	478 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	479 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	480 if (tp->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	481 dprev->df_count[i] += dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	482 dprev->df_next = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	483 vim_free(dp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	484 dp = dprev->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	485 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	486 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	487 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	488 /* Advance to next entry. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	489 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	490 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	491 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	492 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	493
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	494 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	495 dp = tp->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	496 while (dp != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	497 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	498 /* All counts are zero, remove this entry. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	499 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	500 if (tp->tp_diffbuf[i] != NULL && dp->df_count[i] != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	501 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	502 if (i == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	503 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	504 dnext = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	505 vim_free(dp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	506 dp = dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	507 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	508 tp->tp_first_diff = dnext;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	509 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	510 dprev->df_next = dnext;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	511 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	512 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	513 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	514 /* Advance to next entry. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	515 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	516 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	517 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	518
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	519 }
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	520
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	521 if (tp == curtab)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	522 {
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	523 diff_redraw(TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	524
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	525 /* Need to recompute the scroll binding, may remove or add filler
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	526 * lines (e.g., when adding lines above w_topline). But it's slow when
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	527 * making many changes, postpone until redrawing. */
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	528 diff_need_scrollbind = TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	529 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	530 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	531
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	532 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	533 * Allocate a new diff block and link it between "dprev" and "dp".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	534 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	535 static diff_T *
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	536 diff_alloc_new(tabpage_T tp, diff_T dprev, diff_T *dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	537 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	538 diff_T *dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	539
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	540 dnew = (diff_T *)alloc((unsigned)sizeof(diff_T));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	541 if (dnew != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	542 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	543 dnew->df_next = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	544 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	545 tp->tp_first_diff = dnew;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	546 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	547 dprev->df_next = dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	548 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	549 return dnew;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	550 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	551
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	552 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	553 * 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	554 * end that are equal. Called after inserting lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	555 * This may result in a change where all buffers have zero lines, the caller
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	556 * must take care of removing it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	557 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	558 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	559 diff_check_unchanged(tabpage_T tp, diff_T dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	560 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	561 int i_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	562 int i_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	563 int off_org, off_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	564 char_u *line_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	565 int dir = FORWARD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	566
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	567 /* Find the first buffers, use it as the original, compare the other
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	568 * buffer lines against this one. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	569 for (i_org = 0; i_org < DB_COUNT; ++i_org)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	570 if (tp->tp_diffbuf[i_org] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	571 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	572 if (i_org == DB_COUNT) /* safety check */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	573 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	574
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	575 if (diff_check_sanity(tp, dp) == FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	576 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	577
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	578 /* First check lines at the top, then at the bottom. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	579 off_org = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	580 off_new = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	581 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	582 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	583 /* Repeat until a line is found which is different or the number of
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	584 * lines has become zero. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	585 while (dp->df_count[i_org] > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	586 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	587 /* Copy the line, the next ml_get() will invalidate it. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	588 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	589 off_org = dp->df_count[i_org] - 1;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	590 line_org = vim_strsave(ml_get_buf(tp->tp_diffbuf[i_org],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	591 dp->df_lnum[i_org] + off_org, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	592 if (line_org == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	593 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	594 for (i_new = i_org + 1; i_new < DB_COUNT; ++i_new)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	595 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	596 if (tp->tp_diffbuf[i_new] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	597 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	598 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	599 off_new = dp->df_count[i_new] - 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	600 /* if other buffer doesn't have this line, it was inserted */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	601 if (off_new < 0 \|\| off_new >= dp->df_count[i_new])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	602 break;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	603 if (diff_cmp(line_org, ml_get_buf(tp->tp_diffbuf[i_new],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	604 dp->df_lnum[i_new] + off_new, FALSE)) != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	605 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	606 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	607 vim_free(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	608
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	609 /* Stop when a line isn't equal in all diff buffers. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	610 if (i_new != DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	611 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	612
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	613 /* Line matched in all buffers, remove it from the diff. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	614 for (i_new = i_org; i_new < DB_COUNT; ++i_new)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	615 if (tp->tp_diffbuf[i_new] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	616 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	617 if (dir == FORWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	618 ++dp->df_lnum[i_new];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	619 --dp->df_count[i_new];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	620 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	621 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	622 if (dir == BACKWARD)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	623 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	624 dir = BACKWARD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	625 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	626 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	627
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	628 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	629 * Check if a diff block doesn't contain invalid line numbers.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	630 * This can happen when the diff program returns invalid results.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	631 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	632 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	633 diff_check_sanity(tabpage_T tp, diff_T dp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	634 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	635 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	636
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	637 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	638 if (tp->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	639 if (dp->df_lnum[i] + dp->df_count[i] - 1
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	640 > tp->tp_diffbuf[i]->b_ml.ml_line_count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	641 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	642 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	643 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	644
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	645 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	646 * Mark all diff buffers in the current tab page for redraw.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	647 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	648 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	649 diff_redraw(
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	650 int dofold) // also recompute the folds
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	651 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	652 win_T *wp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	653 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	654
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	655 FOR_ALL_WINDOWS(wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	656 if (wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	657 {
738 5c9e7c6e6e2e updated for version 7.0222 vimboss parents: 694 diff changeset	658 redraw_win_later(wp, SOME_VALID);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	659 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	660 if (dofold && foldmethodIsDiff(wp))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	661 foldUpdateAll(wp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	662 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	663 /* A change may have made filler lines invalid, need to take care
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	664 * of that for other windows. */
3904 64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	665 n = diff_check(wp, wp->w_topline);
64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	666 if ((wp != curwin && wp->w_topfill > 0) \|\| n > 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	667 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	668 if (wp->w_topfill > n)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	669 wp->w_topfill = (n < 0 ? 0 : n);
3904 64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	670 else if (n > 0 && n > wp->w_topfill)
64427849c158 updated for version 7.3.708 Bram Moolenaar <bram@vim.org> parents: 3524 diff changeset	671 wp->w_topfill = n;
5934 e3d2b8d83bb3 updated for version 7.4.308 Bram Moolenaar <bram@vim.org> parents: 5358 diff changeset	672 check_topfill(wp, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	673 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	674 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	675 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	676
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	677 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	678 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	679 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	680 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	681 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	682 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	683 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	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 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	686 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	687 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	688
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	689 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	690 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	691 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	692 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	693 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	694 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	695 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	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
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	698 /*
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	699 * 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	700 * Return FAIL for failure.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	701 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	702 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	703 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	704 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	705 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	706 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	707 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	708 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	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 // 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	711 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	712 len += (long)STRLEN(ml_get_buf(buf, lnum, FALSE)) + 1;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	713 ptr = lalloc(len, TRUE);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	714 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	715 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	716 // 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	717 // 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	718 // 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	719 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	720 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	721 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	722 verbose_enter();
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	723 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	724 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	725 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	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 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	728 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	729 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	730 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	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 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	733 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	734 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	735 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	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 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	738 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	739 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	740 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	741 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	742
15595 1ec942f1b648 patch 8.1.0805: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	743 // 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	744 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	745 c = enc_utf8 ? utf_fold(c) : MB_TOLOWER(c);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	746 orig_len = MB_PTR2LEN(s);
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	747 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	748 // 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	749 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	750 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	751 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	752
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	753 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	754 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	755 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	756 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	757 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	758 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	759 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	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 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	762 }
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 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	765 * 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	766 * 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	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 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	769 diff_write(buf_T buf, diffin_T din)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	770 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	771 int r;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	772 char_u *save_ff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	773
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	774 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	775 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	776
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	777 // Always use 'fileformat' set to "unix".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	778 save_ff = buf->b_p_ff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	779 buf->b_p_ff = vim_strsave((char_u *)FF_UNIX);
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 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	781 (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	782 NULL, FALSE, FALSE, FALSE, TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	783 free_string_option(buf->b_p_ff);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	784 buf->b_p_ff = save_ff;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	785 return r;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	786 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	787
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	788 /*
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	789 * 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	790 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	791 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	792 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	793 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	794 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	795 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	796 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	797 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	798 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	799
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	800 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	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 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	803 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	804 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	805 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	806 // 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	807 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	808 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	809 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	810 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	811 \|\| 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	812 \|\| 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	813 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	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
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	816 // 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	817 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	818 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	819
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	820 // :diffupdate!
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 (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	822 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	823 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	824 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	825 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	826 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	827 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	828
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	829 // 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	830 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	831 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	832 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	833
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	834 // 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	835 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	836 {
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 = 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	838 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	839 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	840
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	841 // 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	842 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	843 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	844 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	845 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	846
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	847 // 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	848 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	849
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	850 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	851 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	852 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	853 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	854
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	855 theend:
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	856 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	857 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	858 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	859 }
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 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	862 * 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	863 * 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	864 * 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	865 */
14764 f562b9fbd0d3 patch 8.1.0394: diffs are not always updated correctly Christian Brabandt <cb@256bit.org> parents: 14762 diff changeset	866 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	867 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	868 {
15971 ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	869 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	870 #ifdef FEAT_EVAL
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	871 && *p_dex == NUL
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	872 #endif
ced614446eaa patch 8.1.0991: cannot build with a mix of features Bram Moolenaar <Bram@vim.org> parents: 15900 diff changeset	873 ;
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	874 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	875
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	876 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	877 * 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	878 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	879 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	880 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	881 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	882 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	883
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	884 // 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	885 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	886 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	887 && 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	888 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	889 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	890 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	891
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	892 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	893 * 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	894 * 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	895 * 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	896 * autocommands, e.g. the netrw plugin).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	897 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	898 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	899 ex_diffupdate(exarg_T *eap) // "eap" can be NULL
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	900 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	901 int idx_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	902 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	903 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	904 int had_diffs = curtab->tp_first_diff != NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	905
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	906 if (diff_busy)
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	907 {
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	908 diff_need_update = TRUE;
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	909 return;
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	910 }
09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	911
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	912 // Delete all diffblocks.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	913 diff_clear(curtab);
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	914 curtab->tp_diff_invalid = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	915
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	916 // Use the first buffer as the original text.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	917 for (idx_orig = 0; idx_orig < DB_COUNT; ++idx_orig)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	918 if (curtab->tp_diffbuf[idx_orig] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	919 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	920 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	921 goto theend;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: 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 // Only need to do something when there is another buffer.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	924 for (idx_new = idx_orig + 1; idx_new < DB_COUNT; ++idx_new)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	925 if (curtab->tp_diffbuf[idx_new] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	926 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	927 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	928 goto theend;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	929
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	930 // Only use the internal method if it did not fail for one of the buffers.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	931 vim_memset(&diffio, 0, sizeof(diffio));
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	932 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	933
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	934 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	935 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	936 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	937 // Internal diff failed, use external diff instead.
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	938 vim_memset(&diffio, 0, sizeof(diffio));
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	939 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	940 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	941
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	942 // 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	943 curwin->w_valid_cursor.lnum = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	944
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	945 theend:
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	946 // 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	947 // 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	948 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	949 {
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	950 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	951 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	952 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	953 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	954
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	955 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	956 * 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	957 * 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	958 * 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	959 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	960 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	961 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	962 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	963 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	964 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	965 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	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 // May try twice, first with "-a" and then without.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	968 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	969 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	970 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	971 fd = mch_fopen((char *)diffio->dio_orig.din_fname, "w");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	972 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	973 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	974 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	975 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	976 if (fwrite("line1\n", (size_t)6, (size_t)1, fd) != 1)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	977 io_error = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	978 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	979 fd = mch_fopen((char *)diffio->dio_new.din_fname, "w");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	980 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	981 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	982 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	983 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	984 if (fwrite("line2\n", (size_t)6, (size_t)1, fd) != 1)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	985 io_error = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	986 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	987 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	988 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	989 fd = mch_fopen((char *)diffio->dio_diff.dout_fname, "r");
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	990 if (fd == NULL)
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	991 io_error = TRUE;
f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	992 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	993 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	994 char_u linebuf[LBUFLEN];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	995
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	996 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	997 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	998 /* 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	999 if (vim_fgets(linebuf, LBUFLEN, fd))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1000 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1001 if (STRNCMP(linebuf, "1c1", 3) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1002 ok = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1003 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1004 fclose(fd);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1005 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1006 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	1007 mch_remove(diffio->dio_new.din_fname);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1008 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1009 mch_remove(diffio->dio_orig.din_fname);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1010 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1011
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1012 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1013 /* When using 'diffexpr' break here. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1014 if (*p_dex != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1015 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1016 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1017
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1018 #if defined(MSWIN)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1019 /* If the "-a" argument works, also check if "--binary" works. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1020 if (ok && diff_a_works == MAYBE && diff_bin_works == MAYBE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1021 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1022 diff_a_works = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1023 diff_bin_works = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1024 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1025 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1026 if (!ok && diff_a_works == TRUE && diff_bin_works == TRUE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1027 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1028 /* Tried --binary, but it failed. "-a" works though. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1029 diff_bin_works = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1030 ok = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1031 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1032 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1033
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1034 /* If we checked if "-a" works already, break here. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1035 if (diff_a_works != MAYBE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1036 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1037 diff_a_works = ok;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1038
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1039 /* If "-a" works break here, otherwise retry without "-a". */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1040 if (ok)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1041 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1042 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1043 if (!ok)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1044 {
1757 f10fe14748e2 updated for version 7.2-055 vimboss parents: 1519 diff changeset	1045 if (io_error)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1046 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	1047 emsg(_("E97: Cannot create diffs"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1048 diff_a_works = MAYBE;
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1049 #if defined(MSWIN)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1050 diff_bin_works = MAYBE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1051 #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	1052 return FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1053 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1054 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	1055 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1056
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1057 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1058 * 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	1059 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1060 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	1061 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	1062 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1063 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	1064 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	1065 xdemitcb_t emit_cb;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1066
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1067 vim_memset(&param, 0, sizeof(param));
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1068 vim_memset(&emit_cfg, 0, sizeof(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	1069 vim_memset(&emit_cb, 0, sizeof(emit_cb));
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 param.flags = diff_algorithm;
3524 d8ce4a2eb44e updated for version 7.3.523 Bram Moolenaar <bram@vim.org> parents: 2583 diff changeset	1072
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1073 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	1074 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	1075 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	1076 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	1077 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	1078 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	1079 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	1080 param.flags \|= XDF_IGNORE_BLANK_LINES;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1081
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1082 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	1083 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	1084 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	1085 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	1086 &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	1087 &param, &emit_cfg, &emit_cb) < 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1088 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1089 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	1090 return FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1091 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1092 return OK;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1093 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1094
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1095 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1096 * 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	1097 * return OK or FAIL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1098 */
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1099 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	1100 diff_file(diffio_T *dio)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1101 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1102 char_u *cmd;
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1103 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	1104 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	1105 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	1106 char_u *tmp_diff = dio->dio_diff.dout_fname;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1107
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1108 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1109 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	1110 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1111 // Use 'diffexpr' to generate the diff file.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1112 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	1113 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	1114 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1115 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1116 #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	1117 // 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	1118 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	1119 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1120 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	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 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1123 {
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1124 len = STRLEN(tmp_orig) + STRLEN(tmp_new)
f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1125 + STRLEN(tmp_diff) + STRLEN(p_srr) + 27;
f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1126 cmd = alloc((unsigned)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	1127 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	1128 return FAIL;
193 eee3fa1b0197 updated for version 7.0058 vimboss parents: 28 diff changeset	1129
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1130 // 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	1131 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	1132 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	1133
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1134 // 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	1135 // 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	1136 // 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	1137 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	1138 diff_a_works == FALSE ? "" : "-a ",
8212 05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce Christian Brabandt <cb@256bit.org> parents: 7817 diff changeset	1139 #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	1140 diff_bin_works == TRUE ? "--binary " : "",
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1141 #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	1142 "",
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1143 #endif
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1144 (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	1145 (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	1146 (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	1147 (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	1148 (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	1149 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	1150 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	1151 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	1152 (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	1153 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	1154 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	1155 return OK;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1156 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1157 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1158
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1159 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1160 * 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	1161 * The buffer is written to a file, also for unmodified buffers (the file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1162 * could have been produced by autocommands, e.g. the netrw plugin).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1163 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1164 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1165 ex_diffpatch(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1166 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1167 char_u tmp_orig; / name of original temp file */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1168 char_u tmp_new; / name of patched temp file */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1169 char_u *buf = NULL;
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1170 size_t buflen;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1171 win_T *old_curwin = curwin;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1172 char_u newname = NULL; / name of patched file buffer */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1173 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1174 char_u dirbuf[MAXPATHL];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1175 char_u *fullname = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1176 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1177 #ifdef FEAT_BROWSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1178 char_u *browseFile = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1179 int browse_flag = cmdmod.browse;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1180 #endif
9387 f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe Christian Brabandt <cb@256bit.org> parents: 8368 diff changeset	1181 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	1182 char_u *esc_name = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1183
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1184 #ifdef FEAT_BROWSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1185 if (cmdmod.browse)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1186 {
28 726bdc53fa49 updated for version 7.0018 vimboss parents: 16 diff changeset	1187 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	1188 eap->arg, NULL, NULL,
378f9f8e6d8f patch 8.0.1773: dialog messages are not translated Christian Brabandt <cb@256bit.org> parents: 13384 diff changeset	1189 (char_u *)_(BROWSE_FILTER_ALL_FILES), NULL);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1190 if (browseFile == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1191 return; /* operation cancelled */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1192 eap->arg = browseFile;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1193 cmdmod.browse = FALSE; /* don't let do_ecmd() browse again */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1194 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1195 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1196
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1197 /* We need two temp file names. */
6721 7347229a646a updated for version 7.4.684 Bram Moolenaar <bram@vim.org> parents: 6314 diff changeset	1198 tmp_orig = vim_tempname('o', FALSE);
7347229a646a updated for version 7.4.684 Bram Moolenaar <bram@vim.org> parents: 6314 diff changeset	1199 tmp_new = vim_tempname('n', FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1200 if (tmp_orig == NULL \|\| tmp_new == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1201 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1202
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1203 /* Write the current buffer to "tmp_orig". */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1204 if (buf_write(curbuf, tmp_orig, NULL,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1205 (linenr_T)1, curbuf->b_ml.ml_line_count,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1206 NULL, FALSE, FALSE, FALSE, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1207 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1208
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1209 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1210 /* Get the absolute path of the patchfile, changing directory below. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1211 fullname = FullName_save(eap->arg, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1212 #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	1213 esc_name = vim_strsave_shellescape(
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1214 # 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	1215 fullname != NULL ? fullname :
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1216 # 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	1217 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	1218 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	1219 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	1220 buflen = STRLEN(tmp_orig) + STRLEN(esc_name) + STRLEN(tmp_new) + 16;
1872 f13849167330 updated for version 7.2-169 vimboss parents: 1835 diff changeset	1221 buf = alloc((unsigned)buflen);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1222 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1223 goto theend;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1224
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1225 #ifdef UNIX
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	1226 /* Temporarily chdir to /tmp, to avoid patching files in the current
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1227 * directory when the patch file contains more than one patch. When we
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1228 * have our own temp dir use that instead, it will be cleaned up when we
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1229 * exit (any .rej files created). Don't change directory if we can't
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1230 * return to the current. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1231 if (mch_dirname(dirbuf, MAXPATHL) != OK \|\| mch_chdir((char *)dirbuf) != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1232 dirbuf[0] = NUL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1233 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1234 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1235 # ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1236 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	1237 vim_ignored = mch_chdir((char *)vim_tempdir);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1238 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1239 # 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	1240 vim_ignored = mch_chdir("/tmp");
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1241 shorten_fnames(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1242 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1243 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1244
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1245 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1246 if (*p_pex != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1247 /* Use 'patchexpr' to generate the new file. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1248 eval_patch(tmp_orig,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1249 # ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1250 fullname != NULL ? fullname :
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1251 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1252 eap->arg, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1253 else
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 /* Build the patch command and execute it. Ignore errors. Switch to
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1257 * 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	1258 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	1259 tmp_new, tmp_orig, esc_name);
1410 cdd82acd75b4 updated for version 7.1-125 vimboss parents: 1075 diff changeset	1260 block_autocmds(); /* Avoid ShellCmdPost stuff */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1261 (void)call_shell(buf, SHELL_FILTER \| SHELL_COOKED);
1410 cdd82acd75b4 updated for version 7.1-125 vimboss parents: 1075 diff changeset	1262 unblock_autocmds();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1263 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1264
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1265 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1266 if (dirbuf[0] != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1267 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1268 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	1269 emsg(_(e_prev_dir));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1270 shorten_fnames(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1271 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1272 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1273
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1274 /* patch probably has written over the screen */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1275 redraw_later(CLEAR);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1276
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1277 /* Delete any .orig or .rej file created. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1278 STRCPY(buf, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1279 STRCAT(buf, ".orig");
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1280 mch_remove(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1281 STRCPY(buf, tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1282 STRCAT(buf, ".rej");
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1283 mch_remove(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1284
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1285 /* Only continue if the output file was created. */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1286 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	1287 emsg(_("E816: Cannot read patch output"));
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1288 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1289 {
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1290 if (curbuf->b_fname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1291 {
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1292 newname = vim_strnsave(curbuf->b_fname,
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1293 (int)(STRLEN(curbuf->b_fname) + 4));
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1294 if (newname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1295 STRCAT(newname, ".new");
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1296 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1297
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1298 #ifdef FEAT_GUI
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1299 need_mouse_correct = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1300 #endif
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1301 /* don't use a new tab page, each tab page has its own diffs */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1302 cmdmod.tab = 0;
682 f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1303
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1304 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1305 {
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1306 /* Pretend it was a ":split fname" command */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1307 eap->cmdidx = CMD_split;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1308 eap->arg = tmp_new;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1309 do_exedit(eap, old_curwin);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1310
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1311 /* check that split worked and editing tmp_new */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1312 if (curwin != old_curwin && win_valid(old_curwin))
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1313 {
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1314 /* Set 'diff', 'scrollbind' on and 'wrap' off. */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1315 diff_win_options(curwin, TRUE);
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1316 diff_win_options(old_curwin, TRUE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1317
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1318 if (newname != NULL)
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1319 {
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1320 /* do a ":file filename.new" on the patched buffer */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1321 eap->arg = newname;
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1322 ex_file(eap);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1323
1942 fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1324 /* Do filetype detection with the new name. */
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1325 if (au_has_group((char_u *)"filetypedetect"))
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1326 do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
fe26299d6f70 updated for version 7.2-239 vimboss parents: 1876 diff changeset	1327 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1328 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1329 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1330 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1331
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1332 theend:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1333 if (tmp_orig != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1334 mch_remove(tmp_orig);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1335 vim_free(tmp_orig);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1336 if (tmp_new != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1337 mch_remove(tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1338 vim_free(tmp_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1339 vim_free(newname);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1340 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1341 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1342 vim_free(fullname);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1343 #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	1344 vim_free(esc_name);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1345 #ifdef FEAT_BROWSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1346 vim_free(browseFile);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1347 cmdmod.browse = browse_flag;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1348 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1349 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1350
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1351 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1352 * Split the window and edit another file, setting options to show the diffs.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1353 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1354 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1355 ex_diffsplit(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1356 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1357 win_T *old_curwin = curwin;
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1358 bufref_T old_curbuf;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1359
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1360 set_bufref(&old_curbuf, curbuf);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1361 #ifdef FEAT_GUI
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1362 need_mouse_correct = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1363 #endif
10013 942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1364 /* Need to compute w_fraction when no redraw happened yet. */
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1365 validate_cursor();
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1366 set_fraction(curwin);
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1367
682 f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1368 /* don't use a new tab page, each tab page has its own diffs */
f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1369 cmdmod.tab = 0;
f1b013312711 updated for version 7.0205 vimboss parents: 681 diff changeset	1370
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	1371 if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1372 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1373 /* Pretend it was a ":split fname" command */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1374 eap->cmdidx = CMD_split;
449 3709cf52b9b5 updated for version 7.0119 vimboss parents: 358 diff changeset	1375 curwin->w_p_diff = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1376 do_exedit(eap, old_curwin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1377
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1378 if (curwin != old_curwin) /* split must have worked */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1379 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1380 /* Set 'diff', 'scrollbind' on and 'wrap' off. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1381 diff_win_options(curwin, TRUE);
7338 96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1382 if (win_valid(old_curwin))
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1383 {
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1384 diff_win_options(old_curwin, TRUE);
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1385
9487 69ed2c9d34a6 commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Christian Brabandt <cb@256bit.org> parents: 9387 diff changeset	1386 if (bufref_valid(&old_curbuf))
7338 96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1387 /* Move the cursor position to that of the old window. */
96d5dd9e7bc9 commit https://github.com/vim/vim/commit/f29a82dcd0914c76f595d475ddac4517371fab2b Christian Brabandt <cb@256bit.org> parents: 6985 diff changeset	1388 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	1389 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	1390 }
10013 942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1391 /* Now that lines are folded scroll to show the cursor at the same
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1392 * relative position. */
942d40a92be6 commit https://github.com/vim/vim/commit/46328f9a1cc8047d1e05095bc9f531038c5a4028 Christian Brabandt <cb@256bit.org> parents: 10005 diff changeset	1393 scroll_to_fraction(curwin, curwin->w_height);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1394 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1395 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1396 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1397
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1398 /*
4352 04736b4030ec updated for version 7.3.925 Bram Moolenaar <bram@vim.org> parents: 4236 diff changeset	1399 * Set options to show diffs for the current window.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1400 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1401 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1402 ex_diffthis(exarg_T *eap UNUSED)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1403 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1404 /* Set 'diff', 'scrollbind' on and 'wrap' off. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1405 diff_win_options(curwin, TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1406 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1407
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1408 static void
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1409 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	1410 {
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1411 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	1412
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1413 curwin = wp;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1414 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	1415 ++curbuf_lock;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1416 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	1417 --curbuf_lock;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1418 curwin = old_curwin;
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1419 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	1420 }
1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1421
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1422 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1423 * Set options in window "wp" for diff mode.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1424 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1425 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1426 diff_win_options(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1427 win_T *wp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1428 int addbuf) /* Add buffer to diff. */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1429 {
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1430 # ifdef FEAT_FOLDING
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1431 win_T *old_curwin = curwin;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1432
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1433 /* close the manually opened folds */
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1434 curwin = wp;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1435 newFoldLevel();
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1436 curwin = old_curwin;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1437 # endif
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1438
2583 7c2e6ba1d702 updated for version 7.3.008 Bram Moolenaar <bram@vim.org> parents: 2445 diff changeset	1439 /* Use 'scrollbind' and 'cursorbind' when available */
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1440 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1441 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	1442 wp->w_p_scb = TRUE;
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1443 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1444 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	1445 wp->w_p_crb = TRUE;
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1446 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1447 wp->w_p_wrap_save = wp->w_p_wrap;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1448 wp->w_p_wrap = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1449 # ifdef FEAT_FOLDING
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1450 curwin = wp;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1451 curbuf = curwin->w_buffer;
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1452 if (!wp->w_p_diff)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1453 {
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1454 if (wp->w_p_diff_saved)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1455 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	1456 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	1457 }
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1458 set_string_option_direct((char_u )"fdm", -1, (char_u )"diff",
694 07d199fe02ed updated for version 7.0209 vimboss parents: 682 diff changeset	1459 OPT_LOCAL\|OPT_FREE, 0);
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1460 curwin = old_curwin;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1461 curbuf = curwin->w_buffer;
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1462 if (!wp->w_p_diff)
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1463 {
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1464 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	1465 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	1466 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	1467 }
2086 c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1468 wp->w_p_fdc = diff_foldcolumn;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1469 wp->w_p_fen = TRUE;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1470 wp->w_p_fdl = 0;
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1471 foldUpdateAll(wp);
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1472 /* make sure topline is not halfway a fold */
c11845a465ae updated for version 7.2.370 Bram Moolenaar <bram@zimbu.org> parents: 1942 diff changeset	1473 changed_window_setting_win(wp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1474 # endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1475 if (vim_strchr(p_sbo, 'h') == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1476 do_cmdline_cmd((char_u *)"set sbo+=hor");
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1477 /* 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	1478 wp->w_p_diff_saved = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1479
11707 1395a3b6978d patch 8.0.0736: OptionSet not triggered when entering diff mode Christian Brabandt <cb@256bit.org> parents: 11430 diff changeset	1480 set_diff_option(wp, TRUE);
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1481
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1482 if (addbuf)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1483 diff_buf_add(wp->w_buffer);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1484 redraw_win_later(wp, NOT_VALID);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1485 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1486
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1487 /*
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1488 * 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	1489 * Only in the current tab page.
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1490 */
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1491 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1492 ex_diffoff(exarg_T *eap)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1493 {
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1494 win_T *wp;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1495 int diffwin = FALSE;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1496
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	1497 FOR_ALL_WINDOWS(wp)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1498 {
5358 b21b5dcdca21 updated for version 7.4.031 Bram Moolenaar <bram@vim.org> parents: 5200 diff changeset	1499 if (eap->forceit ? wp->w_p_diff : wp == curwin)
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1500 {
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1501 /* Set 'diff' off. If option values were saved in
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1502 * diff_win_options(), restore the ones whose settings seem to have
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1503 * 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	1504 set_diff_option(wp, FALSE);
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1505
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1506 if (wp->w_p_diff_saved)
11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1507 {
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1508
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1509 if (wp->w_p_scb)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1510 wp->w_p_scb = wp->w_p_scb_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1511 if (wp->w_p_crb)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1512 wp->w_p_crb = wp->w_p_crb_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1513 if (!wp->w_p_wrap)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1514 wp->w_p_wrap = wp->w_p_wrap_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1515 #ifdef FEAT_FOLDING
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1516 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	1517 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	1518 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	1519
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1520 if (wp->w_p_fdc == diff_foldcolumn)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1521 wp->w_p_fdc = wp->w_p_fdc_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1522 if (wp->w_p_fdl == 0)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1523 wp->w_p_fdl = wp->w_p_fdl_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1524
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1525 /* Only restore 'foldenable' when 'foldmethod' is not
b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1526 * "manual", otherwise we continue to show the diff folds. */
6897 d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1527 if (wp->w_p_fen)
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1528 wp->w_p_fen = foldmethodIsManual(wp) ? FALSE
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1529 : wp->w_p_fen_save;
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1530
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1531 foldUpdateAll(wp);
d3a23af4bba1 patch 7.4.768 Bram Moolenaar <bram@vim.org> parents: 6721 diff changeset	1532 #endif
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1533 }
10005 4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1534 /* remove filler lines */
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1535 wp->w_topfill = 0;
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1536
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1537 /* make sure topline is not halfway a fold and cursor is
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1538 * invalidated */
4b4ba6589a98 commit https://github.com/vim/vim/commit/e67d546f3c691139e6d3d33f36724d98aec04c14 Christian Brabandt <cb@256bit.org> parents: 9719 diff changeset	1539 changed_window_setting_win(wp);
5200 b3ff17862b4c updated for version 7.4a.026 Bram Moolenaar <bram@vim.org> parents: 5102 diff changeset	1540
5102 11d0c6df1d7b updated for version 7.3.1294 Bram Moolenaar <bram@vim.org> parents: 4352 diff changeset	1541 /* Note: 'sbo' is not restored, it's a global option. */
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1542 diff_buf_adjust(wp);
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1543 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1544 diffwin \|= wp->w_p_diff;
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1545 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1546
10821 d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1547 /* Also remove hidden buffers from the list. */
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1548 if (eap->forceit)
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1549 diff_buf_clear();
d9e48fb5142f patch 8.0.0300: cannot stop diffing hidden buffers Christian Brabandt <cb@256bit.org> parents: 10295 diff changeset	1550
16 3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1551 /* Remove "hor" from from 'scrollopt' if there are no diff windows left. */
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1552 if (!diffwin && vim_strchr(p_sbo, 'h') != NULL)
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1553 do_cmdline_cmd((char_u *)"set sbo-=hor");
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1554 }
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1555
3ba373b54370 updated for version 7.0008 vimboss parents: 7 diff changeset	1556 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1557 * Read the diff output and add each entry to the diff list.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1558 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1559 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1560 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	1561 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	1562 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	1563 diffout_T *dout) // diff output
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1564 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1565 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	1566 int line_idx = 0;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1567 diff_T *dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1568 diff_T *dp = curtab->tp_first_diff;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1569 diff_T dn, dpl;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1570 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	1571 char_u *line;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1572 long off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1573 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1574 linenr_T lnum_orig, lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1575 long count_orig, count_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1576 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	1577 enum {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1578 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	1579 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	1580 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	1581 } diffstyle = DIFF_NONE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1582
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1583 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	1584 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1585 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	1586 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1587 else
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1588 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1589 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	1590 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	1591 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1592 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	1593 return;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1594 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1595 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1596
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1597 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1598 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1599 if (fd == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1600 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1601 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	1602 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	1603 line = ((char_u **)dout->dout_ga.ga_data)[line_idx++];
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1604 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1605 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1606 {
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1607 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	1608 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	1609 line = linebuf;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1610 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1611
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1612 if (diffstyle == DIFF_NONE)
7 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 // 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	1615 // 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	1616 // {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	1617 // {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	1618 // {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	1619 //
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1620 // 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	1621 // --- 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	1622 // +++ 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	1623 // @@ -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	1624 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	1625 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	1626 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	1627 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	1628 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	1629 && (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	1630 && (STRNCMP(line, "+++ ", 4) == 0)
15840 734b1928a5aa patch 8.1.0927: USE_CR is never defined Bram Moolenaar <Bram@vim.org> parents: 15595 diff changeset	1631 && (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	1632 && (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	1633 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	1634 else
655f00c29c58 patch 8.1.0375: cannot use diff mode with Cygwin diff.exe Christian Brabandt <cb@256bit.org> parents: 14716 diff changeset	1635 // 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	1636 // 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	1637 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	1638 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1639
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1640 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	1641 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1642 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	1643 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	1644 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	1645 &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	1646 continue;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1647 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1648 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	1649 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1650 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	1651 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	1652 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	1653 &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	1654 continue;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1655 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1656 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1657 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	1658 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	1659 break;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1660 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1661
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1662 // 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	1663 // Copy blocks from orig to new.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1664 while (dp != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1665 && lnum_orig > dp->df_lnum[idx_orig] + dp->df_count[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1666 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1667 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1668 diff_copy_entry(dprev, dp, idx_orig, idx_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1669 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1670 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1671 notset = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1672 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1673
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1674 if (dp != NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1675 && lnum_orig <= dp->df_lnum[idx_orig] + dp->df_count[idx_orig]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1676 && lnum_orig + count_orig >= dp->df_lnum[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1677 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1678 // 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	1679 // First find last block that overlaps.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1680 for (dpl = dp; dpl->df_next != NULL; dpl = dpl->df_next)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1681 if (lnum_orig + count_orig < dpl->df_next->df_lnum[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1682 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1683
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1684 // 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	1685 // start back a number of lines.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1686 off = dp->df_lnum[idx_orig] - lnum_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1687 if (off > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1688 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1689 for (i = idx_orig; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1690 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1691 dp->df_lnum[i] -= off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1692 dp->df_lnum[idx_new] = lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1693 dp->df_count[idx_new] = count_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1694 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1695 else if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1696 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1697 // new block inside existing one, adjust new block
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1698 dp->df_lnum[idx_new] = lnum_new + off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1699 dp->df_count[idx_new] = count_new - off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1700 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1701 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	1702 // second overlap of new block with existing block
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1703 dp->df_count[idx_new] += count_new - count_orig
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1704 + dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	1705 - (dp->df_lnum[idx_orig] + dp->df_count[idx_orig]);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1706
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1707 // 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	1708 // end of the existing block or the new diff, whatever ends last.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1709 off = (lnum_orig + count_orig)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1710 - (dpl->df_lnum[idx_orig] + dpl->df_count[idx_orig]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1711 if (off < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1712 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1713 // 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	1714 // done already
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1715 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1716 dp->df_count[idx_new] += -off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1717 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1718 }
1428 912b18745def updated for version 7.1-143 vimboss parents: 1410 diff changeset	1719 for (i = idx_orig; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1720 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1721 dp->df_count[i] = dpl->df_lnum[i] + dpl->df_count[i]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1722 - dp->df_lnum[i] + off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1723
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1724 // Delete the diff blocks that have been merged into one.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1725 dn = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1726 dp->df_next = dpl->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1727 while (dn != dp->df_next)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1728 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1729 dpl = dn->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1730 vim_free(dn);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1731 dn = dpl;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1732 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1733 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1734 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1735 {
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1736 // Allocate a new diffblock.
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1737 dp = diff_alloc_new(curtab, dprev, dp);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1738 if (dp == NULL)
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 835 diff changeset	1739 goto done;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1740
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1741 dp->df_lnum[idx_orig] = lnum_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1742 dp->df_count[idx_orig] = count_orig;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1743 dp->df_lnum[idx_new] = lnum_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1744 dp->df_count[idx_new] = count_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1745
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1746 // 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	1747 // 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	1748 // already.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1749 for (i = idx_orig + 1; i < idx_new; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1750 if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1751 diff_copy_entry(dprev, dp, idx_orig, i);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1752 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1753 notset = FALSE; // "*dp" has been set
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1754 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1755
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	1756 // for remaining diff blocks orig and new are equal
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1757 while (dp != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1758 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1759 if (notset)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1760 diff_copy_entry(dprev, dp, idx_orig, idx_new);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1761 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1762 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1763 notset = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1764 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1765
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 835 diff changeset	1766 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	1767 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	1768 fclose(fd);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1769 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1770
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1771 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1772 * Copy an entry at "dp" from "idx_orig" to "idx_new".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1773 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1774 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1775 diff_copy_entry(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1776 diff_T *dprev,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1777 diff_T *dp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1778 int idx_orig,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1779 int idx_new)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1780 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1781 long off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1782
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1783 if (dprev == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1784 off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1785 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1786 off = (dprev->df_lnum[idx_orig] + dprev->df_count[idx_orig])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1787 - (dprev->df_lnum[idx_new] + dprev->df_count[idx_new]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1788 dp->df_lnum[idx_new] = dp->df_lnum[idx_orig] - off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1789 dp->df_count[idx_new] = dp->df_count[idx_orig];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1790 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1791
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1792 /*
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1793 * Clear the list of diffblocks for tab page "tp".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1794 */
358 e111db373ca4 updated for version 7.0093 vimboss parents: 193 diff changeset	1795 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1796 diff_clear(tabpage_T *tp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1797 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1798 diff_T p, next_p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1799
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1800 for (p = tp->tp_first_diff; p != NULL; p = next_p)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1801 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1802 next_p = p->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1803 vim_free(p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1804 }
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1805 tp->tp_first_diff = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1806 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1807
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1808 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1809 * Check diff status for line "lnum" in buffer "buf":
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1810 * Returns 0 for nothing special
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1811 * Returns -1 for a line that should be highlighted as changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1812 * Returns -2 for a line that should be highlighted as added/deleted.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1813 * Returns > 0 for inserting that many filler lines above it (never happens
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1814 * when 'diffopt' doesn't contain "filler").
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1815 * This should only be used for windows where 'diff' is set.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1816 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1817 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1818 diff_check(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1819 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1820 int idx; /* index in tp_diffbuf[] for this buffer */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1821 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1822 int maxcount;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1823 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1824 buf_T *buf = wp->w_buffer;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1825 int cmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1826
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1827 if (curtab->tp_diff_invalid)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1828 ex_diffupdate(NULL); /* update after a big change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1829
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1830 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	1831 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1832
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1833 /* safety check: "lnum" must be a buffer line */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1834 if (lnum < 1 \|\| lnum > buf->b_ml.ml_line_count + 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1835 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1836
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1837 idx = diff_buf_idx(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1838 if (idx == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1839 return 0; /* no diffs for buffer "buf" */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1840
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1841 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1842 /* A closed fold never has filler lines. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1843 if (hasFoldingWin(wp, lnum, NULL, NULL, TRUE, NULL))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1844 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1845 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1846
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1847 /* search for a change that includes "lnum" in the list of diffblocks. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1848 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1849 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1850 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1851 if (dp == NULL \|\| lnum < dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1852 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1853
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1854 if (lnum < dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1855 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1856 int zero = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1857
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1858 /* Changed or inserted line. If the other buffers have a count of
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1859 * zero, the lines were inserted. If the other buffers have the same
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1860 * count, check if the lines are identical. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1861 cmp = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1862 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1863 if (i != idx && curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1864 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1865 if (dp->df_count[i] == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1866 zero = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1867 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1868 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1869 if (dp->df_count[i] != dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1870 return -1; /* nr of lines changed. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1871 cmp = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1872 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1873 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1874 if (cmp)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1875 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1876 /* Compare all lines. If they are equal the lines were inserted
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1877 * in some buffers, deleted in others, but not changed. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1878 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	1879 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	1880 && dp->df_count[i] != 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1881 if (!diff_equal_entry(dp, idx, i))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1882 return -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1883 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1884 /* If there is no buffer with zero lines then there is no difference
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1885 * any longer. Happens when making a change (or undo) that removes
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1886 * the difference. Can't remove the entry here, we might be halfway
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1887 * updating the window. Just report the text as unchanged. Other
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1888 * windows might still show the change though. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1889 if (zero == FALSE)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1890 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1891 return -2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1892 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1893
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1894 /* If 'diffopt' doesn't contain "filler", return 0. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1895 if (!(diff_flags & DIFF_FILLER))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1896 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1897
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1898 /* Insert filler lines above the line just below the change. Will return
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1899 * 0 when this buf had the max count. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1900 maxcount = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1901 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1902 if (curtab->tp_diffbuf[i] != NULL && dp->df_count[i] > maxcount)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1903 maxcount = dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1904 return maxcount - dp->df_count[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1905 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1906
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1907 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1908 * Compare two entries in diff "*dp" and return TRUE if they are equal.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1909 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1910 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1911 diff_equal_entry(diff_T *dp, int idx1, int idx2)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1912 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1913 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1914 char_u *line;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1915 int cmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1916
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1917 if (dp->df_count[idx1] != dp->df_count[idx2])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1918 return FALSE;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1919 if (diff_check_sanity(curtab, dp) == FAIL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1920 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1921 for (i = 0; i < dp->df_count[idx1]; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1922 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1923 line = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx1],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1924 dp->df_lnum[idx1] + i, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1925 if (line == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1926 return FALSE;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	1927 cmp = diff_cmp(line, ml_get_buf(curtab->tp_diffbuf[idx2],
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1928 dp->df_lnum[idx2] + i, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1929 vim_free(line);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1930 if (cmp != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1931 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1932 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1933 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1934 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1935
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1936 /*
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1937 * 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	1938 * 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	1939 */
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1940 static int
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1941 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	1942 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1943 int l = (*mb_ptr2len)(p1);
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1944
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1945 if (l != (*mb_ptr2len)(p2))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1946 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1947 if (l > 1)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1948 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1949 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	1950 && (!enc_utf8
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1951 \|\| !(diff_flags & DIFF_ICASE)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1952 \|\| utf_fold(utf_ptr2char(p1))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1953 != utf_fold(utf_ptr2char(p2))))
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1954 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1955 *len = l;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1956 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1957 else
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1958 {
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1959 if ((p1 != p2)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1960 && (!(diff_flags & DIFF_ICASE)
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1961 \|\| 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	1962 return FALSE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1963 *len = 1;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1964 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1965 return TRUE;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1966 }
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1967
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	1968 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1969 * Compare strings "s1" and "s2" according to 'diffopt'.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1970 * Return non-zero when they are different.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1971 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1972 static int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	1973 diff_cmp(char_u s1, char_u s2)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1974 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1975 char_u p1, p2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1976 int l;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1977
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1978 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	1979 && (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	1980 return 0;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1981
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1982 if ((diff_flags & (DIFF_ICASE \| ALL_WHITE_DIFF)) == 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1983 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	1984 if ((diff_flags & DIFF_ICASE) && !(diff_flags & ALL_WHITE_DIFF))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1985 return MB_STRICMP(s1, s2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1986
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1987 p1 = s1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1988 p2 = s2;
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1989
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1990 // Ignore white space changes and possibly ignore case.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1991 while (p1 != NUL && p2 != NUL)
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_IWHITE)
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	1994 && 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	1995 \|\| ((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	1996 && (VIM_ISWHITE(p1) \|\| VIM_ISWHITE(p2))))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1997 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1998 p1 = skipwhite(p1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1999 p2 = skipwhite(p2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2000 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2001 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2002 {
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2003 if (!diff_equal_char(p1, p2, &l))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2004 break;
12333 dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2005 p1 += l;
dea5dda9ef30 patch 8.0.1046: code duplication in diff mode Christian Brabandt <cb@256bit.org> parents: 12315 diff changeset	2006 p2 += l;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2007 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2008 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2009
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2010 // Ignore trailing white space.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2011 p1 = skipwhite(p1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2012 p2 = skipwhite(p2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2013 if (p1 != NUL \|\| p2 != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2014 return 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2015 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2016 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2017
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2018 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2019 * Return the number of filler lines above "lnum".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2020 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2021 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2022 diff_check_fill(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2023 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2024 int n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2025
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2026 /* be quick when there are no filler lines */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2027 if (!(diff_flags & DIFF_FILLER))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2028 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2029 n = diff_check(wp, lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2030 if (n <= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2031 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2032 return n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2033 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2034
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2035 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2036 * Set the topline of "towin" to match the position in "fromwin", so that they
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2037 * show the same diff'ed lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2038 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2039 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2040 diff_set_topline(win_T fromwin, win_T towin)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2041 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2042 buf_T *frombuf = fromwin->w_buffer;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2043 linenr_T lnum = fromwin->w_topline;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2044 int fromidx;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2045 int toidx;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2046 diff_T *dp;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2047 int max_count;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2048 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2049
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2050 fromidx = diff_buf_idx(frombuf);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2051 if (fromidx == DB_COUNT)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2052 return; /* safety check */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2053
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2054 if (curtab->tp_diff_invalid)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2055 ex_diffupdate(NULL); /* update after a big change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2056
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2057 towin->w_topfill = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2058
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2059 /* search for a change that includes "lnum" in the list of diffblocks. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2060 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2061 if (lnum <= dp->df_lnum[fromidx] + dp->df_count[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2062 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2063 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2064 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2065 /* After last change, compute topline relative to end of file; no
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2066 * filler lines. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2067 towin->w_topline = towin->w_buffer->b_ml.ml_line_count
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2068 - (frombuf->b_ml.ml_line_count - lnum);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2069 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2070 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2071 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2072 /* Find index for "towin". */
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2073 toidx = diff_buf_idx(towin->w_buffer);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2074 if (toidx == DB_COUNT)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2075 return; /* safety check */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2076
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2077 towin->w_topline = lnum + (dp->df_lnum[toidx] - dp->df_lnum[fromidx]);
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2078 if (lnum >= dp->df_lnum[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2079 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2080 /* Inside a change: compute filler lines. With three or more
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2081 * buffers we need to know the largest count. */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2082 max_count = 0;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2083 for (i = 0; i < DB_COUNT; ++i)
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2084 if (curtab->tp_diffbuf[i] != NULL
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2085 && max_count < dp->df_count[i])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2086 max_count = dp->df_count[i];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2087
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2088 if (dp->df_count[toidx] == dp->df_count[fromidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2089 {
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2090 /* same number of lines: use same filler count */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2091 towin->w_topfill = fromwin->w_topfill;
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2092 }
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2093 else if (dp->df_count[toidx] > dp->df_count[fromidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2094 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2095 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2096 {
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2097 /* more lines in towin and fromwin doesn't show diff
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2098 * lines, only filler lines */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2099 if (max_count - fromwin->w_topfill >= dp->df_count[toidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2100 {
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2101 /* towin also only shows filler lines */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2102 towin->w_topline = dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2103 + dp->df_count[toidx];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2104 towin->w_topfill = fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2105 }
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2106 else
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2107 /* towin still has some diff lines to show */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2108 towin->w_topline = dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2109 + max_count - fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2110 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2111 }
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2112 else if (towin->w_topline >= dp->df_lnum[toidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2113 + dp->df_count[toidx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2114 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2115 /* less lines in towin and no diff lines to show: compute
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2116 * filler lines */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2117 towin->w_topline = dp->df_lnum[toidx] + dp->df_count[toidx];
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2118 if (diff_flags & DIFF_FILLER)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2119 {
1519 17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2120 if (lnum == dp->df_lnum[fromidx] + dp->df_count[fromidx])
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2121 /* fromwin is also out of diff lines */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2122 towin->w_topfill = fromwin->w_topfill;
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2123 else
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2124 /* fromwin has some diff lines */
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2125 towin->w_topfill = dp->df_lnum[fromidx]
17c88d44ace9 updated for version 7.1-234 vimboss parents: 1429 diff changeset	2126 + max_count - lnum;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2127 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2128 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2129 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2130 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2131
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2132 /* safety check (if diff info gets outdated strange things may happen) */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2133 towin->w_botfill = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2134 if (towin->w_topline > towin->w_buffer->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2135 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2136 towin->w_topline = towin->w_buffer->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2137 towin->w_botfill = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2138 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2139 if (towin->w_topline < 1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2140 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2141 towin->w_topline = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2142 towin->w_topfill = 0;
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 /* When w_topline changes need to recompute w_botline and cursor position */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2146 invalidate_botline_win(towin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2147 changed_line_abv_curs_win(towin);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2148
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2149 check_topfill(towin, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2150 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2151 (void)hasFoldingWin(towin, towin->w_topline, &towin->w_topline,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2152 NULL, TRUE, NULL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2153 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2154 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2155
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2156 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2157 * This is called when 'diffopt' is changed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2158 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2159 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2160 diffopt_changed(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2161 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2162 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2163 int diff_context_new = 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2164 int diff_flags_new = 0;
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2165 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	2166 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	2167 long diff_indent_heuristic = 0;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2168 tabpage_T *tp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2169
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2170 p = p_dip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2171 while (*p != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2172 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2173 if (STRNCMP(p, "filler", 6) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2174 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2175 p += 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2176 diff_flags_new \|= DIFF_FILLER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2177 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2178 else if (STRNCMP(p, "context:", 8) == 0 && VIM_ISDIGIT(p[8]))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2179 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2180 p += 8;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2181 diff_context_new = getdigits(&p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2182 }
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2183 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	2184 {
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2185 p += 6;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2186 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	2187 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2188 else if (STRNCMP(p, "icase", 5) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2189 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2190 p += 5;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2191 diff_flags_new \|= DIFF_ICASE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2192 }
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2193 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	2194 {
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2195 p += 9;
b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2196 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	2197 }
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, "iwhiteeol", 9) == 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 += 9;
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_IWHITEEOL;
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, "iwhite", 6) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2204 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2205 p += 6;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2206 diff_flags_new \|= DIFF_IWHITE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2207 }
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2208 else if (STRNCMP(p, "horizontal", 10) == 0)
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2209 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2210 p += 10;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2211 diff_flags_new \|= DIFF_HORIZONTAL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2212 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2213 else if (STRNCMP(p, "vertical", 8) == 0)
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2214 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2215 p += 8;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2216 diff_flags_new \|= DIFF_VERTICAL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2217 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2218 else if (STRNCMP(p, "foldcolumn:", 11) == 0 && VIM_ISDIGIT(p[11]))
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2219 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2220 p += 11;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2221 diff_foldcolumn_new = getdigits(&p);
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2222 }
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	2223 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	2224 {
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2225 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	2226 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	2227 }
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2228 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	2229 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2230 p += 16;
15103 9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2231 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	2232 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2233 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	2234 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2235 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	2236 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	2237 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2238 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	2239 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2240 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	2241 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	2242 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2243 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	2244 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	2245 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2246 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	2247 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2248 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	2249 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	2250 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2251 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	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 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	2254 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	2255 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2256 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	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 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	2259 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	2260 }
15004 9c2352253376 patch 8.1.0513: no error for set diffopt+=algorithm: Bram Moolenaar <Bram@vim.org> parents: 14982 diff changeset	2261 else
9c2352253376 patch 8.1.0513: no error for set diffopt+=algorithm: Bram Moolenaar <Bram@vim.org> parents: 14982 diff changeset	2262 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	2263 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	2264
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2265 if (p != ',' && p != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2266 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2267 if (*p == ',')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2268 ++p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2269 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2270
15103 9339601e7a31 patch 8.1.0562: parsing of 'diffopt' is slightly wrong Bram Moolenaar <Bram@vim.org> parents: 15004 diff changeset	2271 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	2272
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2273 /* Can't have both "horizontal" and "vertical". */
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2274 if ((diff_flags_new & DIFF_HORIZONTAL) && (diff_flags_new & DIFF_VERTICAL))
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2275 return FAIL;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2276
14780 552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2277 // 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	2278 // 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	2279 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	2280 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2281 tp->tp_diff_invalid = TRUE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2282
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2283 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	2284 diff_context = diff_context_new == 0 ? 1 : diff_context_new;
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2285 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	2286 diff_algorithm = diff_algorithm_new;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2287
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2288 diff_redraw(TRUE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2289
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2290 /* recompute the scroll binding with the new option value, may
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2291 * remove or add filler lines */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2292 check_scrollbind((linenr_T)0, 0L);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2293
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2294 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2295 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2296
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2297 /*
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2298 * Return TRUE if 'diffopt' contains "horizontal".
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2299 */
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2300 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2301 diffopt_horizontal(void)
764 986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2302 {
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2303 return (diff_flags & DIFF_HORIZONTAL) != 0;
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2304 }
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2305
986753bbc441 updated for version 7.0225 vimboss parents: 738 diff changeset	2306 /*
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	2307 * 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	2308 */
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2309 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	2310 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	2311 {
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2312 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	2313 }
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2314
ca3cb1997f08 patch 8.0.1361: some users don't want to diff with hidden buffers Christian Brabandt <cb@256bit.org> parents: 12353 diff changeset	2315 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2316 * Find the difference within a changed line.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2317 * Returns TRUE if the line was added, no other buffer has it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2318 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2319 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2320 diff_find_change(
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2321 win_T *wp,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2322 linenr_T lnum,
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2323 int startp, / first char of the change */
83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2324 int endp) / last char of the change */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2325 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2326 char_u *line_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2327 char_u *line_new;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2328 int i;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2329 int si_org, si_new;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2330 int ei_org, ei_new;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2331 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2332 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2333 int off;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2334 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	2335 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	2336 int l;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2337
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2338 /* Make a copy of the line, the next ml_get() will invalidate it. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2339 line_org = vim_strsave(ml_get_buf(wp->w_buffer, lnum, FALSE));
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2340 if (line_org == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2341 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2342
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2343 idx = diff_buf_idx(wp->w_buffer);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2344 if (idx == DB_COUNT) /* cannot happen */
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2345 {
a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2346 vim_free(line_org);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2347 return FALSE;
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2348 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2349
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2350 /* search for a change that includes "lnum" in the list of diffblocks. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2351 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2352 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2353 break;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2354 if (dp == NULL \|\| diff_check_sanity(curtab, dp) == FAIL)
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2355 {
a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2356 vim_free(line_org);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2357 return FALSE;
1074 a112fdce9ebd updated for version 7.0-200 vimboss parents: 840 diff changeset	2358 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2359
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2360 off = lnum - dp->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2361
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2362 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2363 if (curtab->tp_diffbuf[i] != NULL && i != idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2364 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2365 /* Skip lines that are not in the other change (filler lines). */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2366 if (off >= dp->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2367 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2368 added = FALSE;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2369 line_new = ml_get_buf(curtab->tp_diffbuf[i],
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2370 dp->df_lnum[i] + off, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2371
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2372 /* Search for start of difference */
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2373 si_org = si_new = 0;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2374 while (line_org[si_org] != NUL)
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2375 {
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2376 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	2377 && 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	2378 && 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	2379 \|\| ((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	2380 && (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	2381 \|\| VIM_ISWHITE(line_new[si_new]))))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2382 {
835 8bebcabccc2c updated for version 7.0e01 vimboss parents: 829 diff changeset	2383 si_org = (int)(skipwhite(line_org + si_org) - line_org);
8bebcabccc2c updated for version 7.0e01 vimboss parents: 829 diff changeset	2384 si_new = (int)(skipwhite(line_new + si_new) - line_new);
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2385 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2386 else
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2387 {
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2388 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	2389 &l))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2390 break;
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2391 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	2392 si_new += l;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2393 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2394 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2395 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2396 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2397 /* Move back to first byte of character in both lines (may
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2398 * have "nn^" in line_org and "n^ in line_new). */
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2399 si_org -= (*mb_head_off)(line_org, line_org + si_org);
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2400 si_new -= (*mb_head_off)(line_new, line_new + si_new);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2401 }
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2402 if (*startp > si_org)
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2403 *startp = si_org;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2404
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2405 /* Search for end of difference, if any. */
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2406 if (line_org[si_org] != NUL \|\| line_new[si_new] != NUL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2407 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2408 ei_org = (int)STRLEN(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2409 ei_new = (int)STRLEN(line_new);
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2410 while (ei_org >= *startp && ei_new >= si_new
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2411 && ei_org >= 0 && ei_new >= 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2412 {
14762 b43ea03bb522 patch 8.1.0393: not all white space difference options available Christian Brabandt <cb@256bit.org> parents: 14730 diff changeset	2413 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	2414 && 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	2415 && 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	2416 \|\| ((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	2417 && (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	2418 \|\| VIM_ISWHITE(line_new[ei_new]))))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2419 {
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2420 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	2421 && VIM_ISWHITE(line_org[ei_org]))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2422 --ei_org;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2423 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	2424 && VIM_ISWHITE(line_new[ei_new]))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2425 --ei_new;
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2426 }
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2427 else
dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2428 {
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2429 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	2430 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	2431 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	2432 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	2433 if (!diff_equal_char(p1, p2, &l))
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2434 break;
12315 40ee9f3d265f patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting Christian Brabandt <cb@256bit.org> parents: 11707 diff changeset	2435 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	2436 ei_new -= l;
829 dc8197342755 updated for version 7.0d04 vimboss parents: 828 diff changeset	2437 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2438 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2439 if (*endp < ei_org)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2440 *endp = ei_org;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2441 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2442 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2443
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2444 vim_free(line_org);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2445 return added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2446 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2447
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2448 #if defined(FEAT_FOLDING) \|\| defined(PROTO)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2449 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2450 * 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	2451 * be in a fold.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2452 * Return FALSE if there are no diff blocks at all in this window.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2453 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2454 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2455 diff_infold(win_T *wp, linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2456 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2457 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2458 int idx = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2459 int other = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2460 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2461
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2462 /* Return if 'diff' isn't set. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2463 if (!wp->w_p_diff)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2464 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2465
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2466 for (i = 0; i < DB_COUNT; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2467 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2468 if (curtab->tp_diffbuf[i] == wp->w_buffer)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2469 idx = i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2470 else if (curtab->tp_diffbuf[i] != NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2471 other = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2472 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2473
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2474 /* return here if there are no diffs in the window */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2475 if (idx == -1 \|\| !other)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2476 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2477
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2478 if (curtab->tp_diff_invalid)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2479 ex_diffupdate(NULL); /* update after a big change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2480
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2481 /* Return if there are no diff blocks. All lines will be folded. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2482 if (curtab->tp_first_diff == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2483 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2484
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2485 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2486 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2487 /* If this change is below the line there can't be any further match. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2488 if (dp->df_lnum[idx] - diff_context > lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2489 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2490 /* If this change ends before the line we have a match. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2491 if (dp->df_lnum[idx] + dp->df_count[idx] + diff_context > lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2492 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2493 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2494 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2495 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2496 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2497
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2498 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2499 * "dp" and "do" commands.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2500 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2501 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2502 nv_diffgetput(int put, long count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2503 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2504 exarg_T ea;
6314 df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2505 char_u buf[30];
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2506
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	2507 #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	2508 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	2509 {
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	2510 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	2511 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	2512 }
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	2513 #endif
6314 df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2514 if (count == 0)
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2515 ea.arg = (char_u *)"";
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2516 else
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2517 {
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2518 vim_snprintf((char *)buf, 30, "%ld", count);
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2519 ea.arg = buf;
df92c2b2a179 updated for version 7.4.490 Bram Moolenaar <bram@vim.org> parents: 6286 diff changeset	2520 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2521 if (put)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2522 ea.cmdidx = CMD_diffput;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2523 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2524 ea.cmdidx = CMD_diffget;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2525 ea.addr_count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2526 ea.line1 = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2527 ea.line2 = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2528 ex_diffgetput(&ea);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2529 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2530
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2531 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2532 * ":diffget"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2533 * ":diffput"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2534 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2535 void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2536 ex_diffgetput(exarg_T *eap)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2537 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2538 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2539 int count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2540 linenr_T off = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2541 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2542 diff_T *dprev;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2543 diff_T *dfree;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2544 int idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2545 int idx_other;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2546 int idx_from;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2547 int idx_to;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2548 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2549 int added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2550 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2551 aco_save_T aco;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2552 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2553 int start_skip, end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2554 int new_count;
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2555 int buf_empty;
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2556 int found_not_ma = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2557
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2558 /* Find the current buffer in the list of diff buffers. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2559 idx_cur = diff_buf_idx(curbuf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2560 if (idx_cur == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2561 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2562 emsg(_("E99: Current buffer is not in diff mode"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2563 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2564 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2565
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2566 if (*eap->arg == NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2567 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2568 /* No argument: Find the other buffer in the list of diff buffers. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2569 for (idx_other = 0; idx_other < DB_COUNT; ++idx_other)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2570 if (curtab->tp_diffbuf[idx_other] != curbuf
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2571 && curtab->tp_diffbuf[idx_other] != NULL)
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2572 {
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2573 if (eap->cmdidx != CMD_diffput
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2574 \|\| curtab->tp_diffbuf[idx_other]->b_p_ma)
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2575 break;
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2576 found_not_ma = TRUE;
21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2577 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2578 if (idx_other == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2579 {
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2580 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	2581 emsg(_("E793: No other buffer in diff mode is modifiable"));
1075 21ce954cbdca updated for version 7.0-201 vimboss parents: 1074 diff changeset	2582 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2583 emsg(_("E100: No other buffer in diff mode"));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2584 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2585 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2586
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2587 /* Check that there isn't a third buffer in the list */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2588 for (i = idx_other + 1; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2589 if (curtab->tp_diffbuf[i] != curbuf
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2590 && curtab->tp_diffbuf[i] != NULL
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2591 && (eap->cmdidx != CMD_diffput \|\| curtab->tp_diffbuf[i]->b_p_ma))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2592 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2593 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	2594 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2595 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2596 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2597 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2598 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2599 /* Buffer number or pattern given. Ignore trailing white space. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2600 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	2601 while (p > eap->arg && VIM_ISWHITE(p[-1]))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2602 --p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2603 for (i = 0; vim_isdigit(eap->arg[i]) && eap->arg + i < p; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2604 ;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2605 if (eap->arg + i == p) /* digits only */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2606 i = atol((char *)eap->arg);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2607 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2608 {
4236 23ce9a61bdc2 updated for version 7.3.869 Bram Moolenaar <bram@vim.org> parents: 3904 diff changeset	2609 i = buflist_findpat(eap->arg, p, FALSE, TRUE, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2610 if (i < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2611 return; /* error message already given */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2612 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2613 buf = buflist_findnr(i);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2614 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2615 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2616 semsg(_("E102: Can't find buffer \"%s\""), eap->arg);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2617 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2618 }
1788 61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	2619 if (buf == curbuf)
61d080cb268e updated for version 7.2-086 vimboss parents: 1761 diff changeset	2620 return; /* nothing to do */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2621 idx_other = diff_buf_idx(buf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2622 if (idx_other == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2623 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2624 semsg(_("E103: Buffer \"%s\" is not in diff mode"), eap->arg);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2625 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2626 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2627 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2628
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2629 diff_busy = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2630
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2631 /* When no range given include the line above or below the cursor. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2632 if (eap->addr_count == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2633 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2634 /* Make it possible that ":diffget" on the last line gets line below
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2635 * the cursor line when there is no difference above the cursor. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2636 if (eap->cmdidx == CMD_diffget
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2637 && eap->line1 == curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2638 && diff_check(curwin, eap->line1) == 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2639 && (eap->line1 == 1 \|\| diff_check(curwin, eap->line1 - 1) == 0))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2640 ++eap->line2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2641 else if (eap->line1 > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2642 --eap->line1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2643 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2644
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2645 if (eap->cmdidx == CMD_diffget)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2646 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2647 idx_from = idx_other;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2648 idx_to = idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2649 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2650 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2651 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2652 idx_from = idx_cur;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2653 idx_to = idx_other;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2654 /* Need to make the other buffer the current buffer to be able to make
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2655 * changes in it. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2656 /* set curwin/curbuf to buf and save a few things */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2657 aucmd_prepbuf(&aco, curtab->tp_diffbuf[idx_other]);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2658 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2659
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2660 /* May give the warning for a changed buffer here, which can trigger the
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2661 * FileChangedRO autocommand, which may do nasty things and mess
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2662 * everything up. */
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2663 if (!curbuf->b_changed)
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2664 {
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2665 change_warning(0);
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2666 if (diff_buf_idx(curbuf) != idx_to)
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2667 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15103 diff changeset	2668 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	2669 goto theend;
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2670 }
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2671 }
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2672
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2673 dprev = NULL;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2674 for (dp = curtab->tp_first_diff; dp != NULL; )
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2675 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2676 if (dp->df_lnum[idx_cur] > eap->line2 + off)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2677 break; /* past the range that was specified */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2678
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2679 dfree = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2680 lnum = dp->df_lnum[idx_to];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2681 count = dp->df_count[idx_to];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2682 if (dp->df_lnum[idx_cur] + dp->df_count[idx_cur] > eap->line1 + off
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2683 && u_save(lnum - 1, lnum + count) != FAIL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2684 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2685 /* Inside the specified range and saving for undo worked. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2686 start_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2687 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2688 if (eap->addr_count > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2689 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2690 /* A range was specified: check if lines need to be skipped. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2691 start_skip = eap->line1 + off - dp->df_lnum[idx_cur];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2692 if (start_skip > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2693 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2694 /* range starts below start of current diff block */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2695 if (start_skip > count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2696 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2697 lnum += count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2698 count = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2699 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2700 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2701 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2702 count -= start_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2703 lnum += start_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2704 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2705 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2706 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2707 start_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2708
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2709 end_skip = dp->df_lnum[idx_cur] + dp->df_count[idx_cur] - 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2710 - (eap->line2 + off);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2711 if (end_skip > 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2712 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2713 /* range ends above end of current/from diff block */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2714 if (idx_cur == idx_from) /* :diffput */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2715 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2716 i = dp->df_count[idx_cur] - start_skip - end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2717 if (count > i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2718 count = i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2719 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2720 else /* :diffget */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2721 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2722 count -= end_skip;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2723 end_skip = dp->df_count[idx_from] - start_skip - count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2724 if (end_skip < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2725 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2726 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2727 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2728 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2729 end_skip = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2730 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2731
11121 778c10516955 patch 8.0.0448: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11113 diff changeset	2732 buf_empty = BUFEMPTY();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2733 added = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2734 for (i = 0; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2735 {
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2736 /* remember deleting the last line of the buffer */
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2737 buf_empty = curbuf->b_ml.ml_line_count == 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2738 ml_delete(lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2739 --added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2740 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2741 for (i = 0; i < dp->df_count[idx_from] - start_skip - end_skip; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2742 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2743 linenr_T nr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2744
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2745 nr = dp->df_lnum[idx_from] + start_skip + i;
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2746 if (nr > curtab->tp_diffbuf[idx_from]->b_ml.ml_line_count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2747 break;
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2748 p = vim_strsave(ml_get_buf(curtab->tp_diffbuf[idx_from],
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2749 nr, FALSE));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2750 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2751 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2752 ml_append(lnum + i - 1, p, 0, FALSE);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2753 vim_free(p);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2754 ++added;
648 9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2755 if (buf_empty && curbuf->b_ml.ml_line_count == 2)
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2756 {
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2757 /* Added the first line into an empty buffer, need to
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2758 * delete the dummy empty line. */
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2759 buf_empty = FALSE;
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2760 ml_delete((linenr_T)2, FALSE);
9032e4668296 updated for version 7.0189 vimboss parents: 638 diff changeset	2761 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2762 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2763 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2764 new_count = dp->df_count[idx_to] + added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2765 dp->df_count[idx_to] = new_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2766
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2767 if (start_skip == 0 && end_skip == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2768 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2769 /* Check if there are any other buffers and if the diff is
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2770 * equal in them. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2771 for (i = 0; i < DB_COUNT; ++i)
819 23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2772 if (curtab->tp_diffbuf[i] != NULL && i != idx_from
23f82b5d2814 updated for version 7.0c10 vimboss parents: 764 diff changeset	2773 && i != idx_to
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2774 && !diff_equal_entry(dp, idx_from, i))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2775 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2776 if (i == DB_COUNT)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2777 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2778 /* delete the diff entry, the buffers are now equal here */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2779 dfree = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2780 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2781 if (dprev == NULL)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2782 curtab->tp_first_diff = dp;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2783 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2784 dprev->df_next = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2785 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2786 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2787
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2788 /* Adjust marks. This will change the following entries! */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2789 if (added != 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2790 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2791 mark_adjust(lnum, lnum + count - 1, (long)MAXLNUM, (long)added);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2792 if (curwin->w_cursor.lnum >= lnum)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2793 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2794 /* Adjust the cursor position if it's in/after the changed
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2795 * lines. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2796 if (curwin->w_cursor.lnum >= lnum + count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2797 curwin->w_cursor.lnum += added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2798 else if (added < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2799 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2800 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2801 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2802 changed_lines(lnum, 0, lnum + count, (long)added);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2803
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2804 if (dfree != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2805 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2806 /* Diff is deleted, update folds in other windows. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2807 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2808 diff_fold_update(dfree, idx_to);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2809 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2810 vim_free(dfree);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2811 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2812 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2813 /* mark_adjust() may have changed the count in a wrong way */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2814 dp->df_count[idx_to] = new_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2815
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2816 /* When changing the current buffer, keep track of line numbers */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2817 if (idx_cur == idx_to)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2818 off += added;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2819 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2820
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2821 /* If before the range or not deleted, go to next diff. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2822 if (dfree == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2823 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2824 dprev = dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2825 dp = dp->df_next;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2826 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2827 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2828
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2829 /* restore curwin/curbuf and a few other things */
2445 04dae202d316 Fixes for coverity warnings. Bram Moolenaar <bram@vim.org> parents: 2250 diff changeset	2830 if (eap->cmdidx != CMD_diffget)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2831 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2832 /* Syncing undo only works for the current buffer, but we change
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2833 * another buffer. Sync undo if the command was typed. This isn't
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2834 * 100% right when ":diffput" is used in a function or mapping. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2835 if (KeyTyped)
825 6675076019ae updated for version 7.0d vimboss parents: 819 diff changeset	2836 u_sync(FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2837 aucmd_restbuf(&aco);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2838 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2839
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2840 theend:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2841 diff_busy = FALSE;
14776 09c1f241e2f7 patch 8.1.0400: using freed memory with :diffget Christian Brabandt <cb@256bit.org> parents: 14770 diff changeset	2842 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	2843 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	2844
14972 5d52b21b2e7f patch 8.1.0497: :%diffput changes order of lines Bram Moolenaar <Bram@vim.org> parents: 14893 diff changeset	2845 // 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	2846 // 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	2847 // invalid.
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2848 check_cursor();
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2849 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	2850
291656f731c9 patch 8.1.0458: ml_get error and crash when using "do" Bram Moolenaar <Bram@vim.org> parents: 14780 diff changeset	2851 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	2852 // 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	2853 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	2854 else
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2855 {
552523e44923 patch 8.1.0402: the DiffUpdate event isn't triggered for :diffput Christian Brabandt <cb@256bit.org> parents: 14776 diff changeset	2856 // 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	2857 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	2858 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	2859 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2860 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2861
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2862 #ifdef FEAT_FOLDING
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2863 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2864 * Update folds for all diff buffers for entry "dp".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2865 * Skip buffer with index "skip_idx".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2866 * When there are no diffs, all folds are removed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2867 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2868 static void
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2869 diff_fold_update(diff_T *dp, int skip_idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2870 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2871 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2872 win_T *wp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2873
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	2874 FOR_ALL_WINDOWS(wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2875 for (i = 0; i < DB_COUNT; ++i)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2876 if (curtab->tp_diffbuf[i] == wp->w_buffer && i != skip_idx)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2877 foldUpdate(wp, dp->df_lnum[i],
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2878 dp->df_lnum[i] + dp->df_count[i]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2879 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2880 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2881
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2882 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2883 * Return TRUE if buffer "buf" is in diff-mode.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2884 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2885 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2886 diff_mode_buf(buf_T *buf)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2887 {
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2888 tabpage_T *tp;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2889
9649 fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07 Christian Brabandt <cb@256bit.org> parents: 9487 diff changeset	2890 FOR_ALL_TABPAGES(tp)
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2891 if (diff_buf_idx_tp(buf, tp) != DB_COUNT)
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2892 return TRUE;
db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2893 return FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2894 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2895
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2896 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2897 * Move "count" times in direction "dir" to the next diff block.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2898 * Return FAIL if there isn't such a diff block.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2899 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2900 int
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2901 diff_move_to(int dir, long count)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2902 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2903 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2904 linenr_T lnum = curwin->w_cursor.lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2905 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2906
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2907 idx = diff_buf_idx(curbuf);
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2908 if (idx == DB_COUNT \|\| curtab->tp_first_diff == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2909 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2910
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2911 if (curtab->tp_diff_invalid)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2912 ex_diffupdate(NULL); /* update after a big change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2913
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2914 if (curtab->tp_first_diff == NULL) /* no diffs today */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2915 return FAIL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2916
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2917 while (--count >= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2918 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2919 /* Check if already before first diff. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2920 if (dir == BACKWARD && lnum <= curtab->tp_first_diff->df_lnum[idx])
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2921 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2922
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	2923 for (dp = curtab->tp_first_diff; ; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2924 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2925 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2926 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2927 if ((dir == FORWARD && lnum < dp->df_lnum[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2928 \|\| (dir == BACKWARD
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2929 && (dp->df_next == NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2930 \|\| lnum <= dp->df_next->df_lnum[idx])))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2931 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2932 lnum = dp->df_lnum[idx];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2933 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2934 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2935 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2936 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2937
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2938 /* don't end up past the end of the file */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2939 if (lnum > curbuf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2940 lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2941
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2942 /* When the cursor didn't move at all we fail. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2943 if (lnum == curwin->w_cursor.lnum)
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 setpcmark();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2947 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2948 curwin->w_cursor.col = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2949
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2950 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2951 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2952
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2953 /*
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2954 * 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	2955 * "buf1" in diff mode.
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2956 */
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2957 static linenr_T
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2958 diff_get_corresponding_line_int(
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	2959 buf_T *buf1,
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2960 linenr_T lnum1)
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2961 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2962 int idx1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2963 int idx2;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2964 diff_T *dp;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2965 int baseline = 0;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2966
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2967 idx1 = diff_buf_idx(buf1);
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2968 idx2 = diff_buf_idx(curbuf);
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2969 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	2970 return lnum1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2971
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2972 if (curtab->tp_diff_invalid)
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2973 ex_diffupdate(NULL); /* update after a big change */
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2974
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2975 if (curtab->tp_first_diff == NULL) /* no diffs today */
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2976 return lnum1;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2977
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2978 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2979 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2980 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	2981 return lnum1 - baseline;
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2982 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	2983 {
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2984 /* Inside the diffblock */
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2985 baseline = lnum1 - dp->df_lnum[idx1];
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2986 if (baseline > dp->df_count[idx2])
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2987 baseline = dp->df_count[idx2];
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2988
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2989 return dp->df_lnum[idx2] + baseline;
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2990 }
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2991 if ( (dp->df_lnum[idx1] == lnum1)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2992 && (dp->df_count[idx1] == 0)
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	2993 && (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	2994 && ((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	2995 > curwin->w_cursor.lnum))
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2996 /*
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	2997 * 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	2998 * 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	2999 * 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	3000 * 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	3001 * as expected.
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3002 */
10295 d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3003 return curwin->w_cursor.lnum;
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3004 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	3005 - (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	3006 }
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3007
1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3008 /* 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	3009 return lnum1 - baseline;
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3010 }
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3011
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3012 /*
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3013 * 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	3014 * "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	3015 */
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3016 linenr_T
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3017 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	3018 {
d0b74b18e4b5 commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	3019 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	3020
2250 1bac28a53fae Add the conceal patch from Vince Negri. Bram Moolenaar <bram@vim.org> parents: 2086 diff changeset	3021 /* 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	3022 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	3023 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	3024 return 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
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3027 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3028 * For line "lnum" in the current window find the equivalent lnum in window
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3029 * "wp", compensating for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3030 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3031 linenr_T
7817 83861277e6a3 commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff Christian Brabandt <cb@256bit.org> parents: 7799 diff changeset	3032 diff_lnum_win(linenr_T lnum, win_T *wp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3033 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3034 diff_T *dp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3035 int idx;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3036 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3037 linenr_T n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3038
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3039 idx = diff_buf_idx(curbuf);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3040 if (idx == DB_COUNT) /* safety check */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3041 return (linenr_T)0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3042
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	3043 if (curtab->tp_diff_invalid)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3044 ex_diffupdate(NULL); /* update after a big change */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3045
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3046 /* search for a change that includes "lnum" in the list of diffblocks. */
672 db58b9066b21 updated for version 7.0200 vimboss parents: 671 diff changeset	3047 for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3048 if (lnum <= dp->df_lnum[idx] + dp->df_count[idx])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3049 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3050
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3051 /* When after the last change, compute relative to the last line number. */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3052 if (dp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3053 return wp->w_buffer->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3054 - (curbuf->b_ml.ml_line_count - lnum);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3055
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3056 /* Find index for "wp". */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3057 i = diff_buf_idx(wp->w_buffer);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3058 if (i == DB_COUNT) /* safety check */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3059 return (linenr_T)0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3060
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3061 n = lnum + (dp->df_lnum[i] - dp->df_lnum[idx]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3062 if (n > dp->df_lnum[i] + dp->df_count[i])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3063 n = dp->df_lnum[i] + dp->df_count[i];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3064 return n;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3065 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3066
14696 195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3067 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3068 * 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	3069 * 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	3070 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3071 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	3072 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	3073 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	3074 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	3075 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	3076 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	3077 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	3078 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3079 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	3080 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	3081 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	3082
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3083 // 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	3084 // 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	3085 // 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	3086 // 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	3087 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	3088 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	3089 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	3090 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3091 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3092 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	3093 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3094 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3095 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	3096 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	3097 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	3098 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	3099 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	3100 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	3101 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3102 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3103 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	3104 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3105 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3106 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	3107 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	3108 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	3109
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3110 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	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 *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	3113 *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	3114 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3115 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3116 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3117 *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	3118 *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	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 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	3121 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3122 *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	3123 *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	3124 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3125 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3126 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3127 *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	3128 *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	3129 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3130 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	3131 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3132
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 * 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	3135 * 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	3136 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3137 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	3138 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	3139 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	3140 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	3141 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	3142 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	3143 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	3144 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3145 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	3146 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	3147
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3148 // 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	3149 // @@ -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	3150 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	3151 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	3152 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3153 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	3154 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	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 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3157 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	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 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3160 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	3161 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	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 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	3164 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	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 ++p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3167 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	3168 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3169 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3170 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	3171 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3172 else
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3173 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	3174
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3175 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	3176 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	3177 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	3178 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	3179 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	3180 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	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 *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	3183 *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	3184 *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	3185 *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	3186
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3187 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	3188 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3189
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3190 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	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
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3193 /*
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3194 * 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	3195 * 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	3196 */
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3197 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	3198 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	3199 {
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3200 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	3201 char_u *p;
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3202
14982 d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3203 // 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	3204 // 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	3205 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	3206 return 0;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3207
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3208 // sanity check
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3209 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	3210 return 0;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3211
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3212 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	3213 return -1;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3214 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	3215 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	3216 return -1;
d56f14540dda patch 8.1.0502: internal diff fails when diffing a context diff Bram Moolenaar <Bram@vim.org> parents: 14972 diff changeset	3217 ((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	3218 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	3219 }
195e8b1fcbbf patch 8.1.0360: using an external diff program is slow and inflexible Christian Brabandt <cb@256bit.org> parents: 14019 diff changeset	3220
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3221 #endif /* FEAT_DIFF */

Mercurial > vim

annotate src/diff.c @ 15971:ced614446eaa v8.1.0991