vim: src/diff.c annotate

annotate src/diff.c @ 15490:98c35d312987 v8.1.0753

patch 8.1.0753: printf format not checked for semsg() commit https://github.com/vim/vim/commit/b5443cc46dd1485d6c785dd8c65a2c07bd5a17f3 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 15 20:19:40 2019 +0100 patch 8.1.0753: printf format not checked for semsg() Problem: printf format not checked for semsg(). Solution: Add GNUC attribute and fix reported problems. (Dominique Pelle, closes #3805)

author	Bram Moolenaar <Bram@vim.org>
date	Tue, 15 Jan 2019 20:30:07 +0100
parents	55ccc2d353bd
children	1ec942f1b648

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

Mercurial > vim

annotate src/diff.c @ 15490:98c35d312987 v8.1.0753