Mercurial > vim
annotate src/tag.c @ 10666:ed6f03535745 v8.0.0223
patch 8.0.0223: Coverity warns for an uninitialized variable
commit https://github.com/vim/vim/commit/fffbf308dd98d1129ba4914d921ab47dc6a6c9b1
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Jan 23 20:47:12 2017 +0100
patch 8.0.0223: Coverity warns for an uninitialized variable
Problem: Coverity gets confused by the flags passed to find_tags() and
warnts for an uninitialized variable.
Solution: Disallow using cscope and help tags at the same time.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Mon, 23 Jan 2017 21:00:04 +0100 |
| parents | f0df81ef971a |
| children | 0ecd07cd2e43 |
| rev | line source |
|---|---|
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4aead6a9b7a9
commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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parents:
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diff
changeset
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * Code to handle tags and the tag stack | |
| 12 */ | |
| 13 | |
| 14 #include "vim.h" | |
| 15 | |
| 16 /* | |
| 17 * Structure to hold pointers to various items in a tag line. | |
| 18 */ | |
| 19 typedef struct tag_pointers | |
| 20 { | |
| 21 /* filled in by parse_tag_line(): */ | |
| 22 char_u *tagname; /* start of tag name (skip "file:") */ | |
| 23 char_u *tagname_end; /* char after tag name */ | |
| 24 char_u *fname; /* first char of file name */ | |
| 25 char_u *fname_end; /* char after file name */ | |
| 26 char_u *command; /* first char of command */ | |
| 27 /* filled in by parse_match(): */ | |
| 28 char_u *command_end; /* first char after command */ | |
| 29 char_u *tag_fname; /* file name of the tags file */ | |
| 30 #ifdef FEAT_EMACS_TAGS | |
| 31 int is_etag; /* TRUE for emacs tag */ | |
| 32 #endif | |
| 33 char_u *tagkind; /* "kind:" value */ | |
| 34 char_u *tagkind_end; /* end of tagkind */ | |
| 35 } tagptrs_T; | |
| 36 | |
| 37 /* | |
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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38 * The matching tags are first stored in one of the ht_match[] hash tables. In |
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1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
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parents:
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diff
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39 * which one depends on the priority of the match. |
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1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
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diff
changeset
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40 * At the end, all the matches from ht_match[] are concatenated, to make a list |
| 7 | 41 * sorted on priority. |
| 42 */ | |
| 43 #define MT_ST_CUR 0 /* static match in current file */ | |
| 44 #define MT_GL_CUR 1 /* global match in current file */ | |
| 45 #define MT_GL_OTH 2 /* global match in other file */ | |
| 46 #define MT_ST_OTH 3 /* static match in other file */ | |
| 47 #define MT_IC_OFF 4 /* add for icase match */ | |
| 48 #define MT_RE_OFF 8 /* add for regexp match */ | |
| 49 #define MT_MASK 7 /* mask for printing priority */ | |
| 50 #define MT_COUNT 16 | |
| 51 | |
| 52 static char *mt_names[MT_COUNT/2] = | |
| 53 {"FSC", "F C", "F ", "FS ", " SC", " C", " ", " S "}; | |
| 54 | |
| 55 #define NOTAGFILE 99 /* return value for jumpto_tag */ | |
| 56 static char_u *nofile_fname = NULL; /* fname for NOTAGFILE error */ | |
| 57 | |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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58 static void taglen_advance(int l); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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59 |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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60 static int jumpto_tag(char_u *lbuf, int forceit, int keep_help); |
| 7 | 61 #ifdef FEAT_EMACS_TAGS |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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62 static int parse_tag_line(char_u *lbuf, int is_etag, tagptrs_T *tagp); |
| 7 | 63 #else |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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64 static int parse_tag_line(char_u *lbuf, tagptrs_T *tagp); |
| 7 | 65 #endif |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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66 static int test_for_static(tagptrs_T *); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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67 static int parse_match(char_u *lbuf, tagptrs_T *tagp); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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68 static char_u *tag_full_fname(tagptrs_T *tagp); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
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69 static char_u *expand_tag_fname(char_u *fname, char_u *tag_fname, int expand); |
| 7 | 70 #ifdef FEAT_EMACS_TAGS |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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71 static int test_for_current(int, char_u *, char_u *, char_u *, char_u *); |
| 7 | 72 #else |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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changeset
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73 static int test_for_current(char_u *, char_u *, char_u *, char_u *); |
| 7 | 74 #endif |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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diff
changeset
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75 static int find_extra(char_u **pp); |
| 7 | 76 |
| 77 static char_u *bottommsg = (char_u *)N_("E555: at bottom of tag stack"); | |
| 78 static char_u *topmsg = (char_u *)N_("E556: at top of tag stack"); | |
| 79 | |
| 80 static char_u *tagmatchname = NULL; /* name of last used tag */ | |
| 81 | |
| 82 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 83 /* | |
| 84 * Tag for preview window is remembered separately, to avoid messing up the | |
| 85 * normal tagstack. | |
| 86 */ | |
| 1883 | 87 static taggy_T ptag_entry = {NULL, {INIT_POS_T(0, 0, 0), 0}, 0, 0}; |
| 7 | 88 #endif |
| 89 | |
| 90 /* | |
| 91 * Jump to tag; handling of tag commands and tag stack | |
| 92 * | |
| 93 * *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack | |
| 94 * | |
| 95 * type == DT_TAG: ":tag [tag]", jump to newer position or same tag again | |
| 96 * type == DT_HELP: like DT_TAG, but don't use regexp. | |
| 97 * type == DT_POP: ":pop" or CTRL-T, jump to old position | |
| 98 * type == DT_NEXT: jump to next match of same tag | |
| 99 * type == DT_PREV: jump to previous match of same tag | |
| 100 * type == DT_FIRST: jump to first match of same tag | |
| 101 * type == DT_LAST: jump to last match of same tag | |
| 102 * type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches | |
| 103 * type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list | |
| 359 | 104 * type == DT_CSCOPE: use cscope to find the tag |
| 649 | 105 * type == DT_LTAG: use location list for displaying tag matches |
| 359 | 106 * type == DT_FREE: free cached matches |
| 7 | 107 * |
| 108 * for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise | |
| 109 */ | |
| 110 int | |
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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111 do_tag( |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
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112 char_u *tag, /* tag (pattern) to jump to */ |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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113 int type, |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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114 int count, |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
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115 int forceit, /* :ta with ! */ |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
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116 int verbose) /* print "tag not found" message */ |
| 7 | 117 { |
| 118 taggy_T *tagstack = curwin->w_tagstack; | |
| 119 int tagstackidx = curwin->w_tagstackidx; | |
| 120 int tagstacklen = curwin->w_tagstacklen; | |
| 121 int cur_match = 0; | |
| 122 int cur_fnum = curbuf->b_fnum; | |
| 123 int oldtagstackidx = tagstackidx; | |
| 124 int prevtagstackidx = tagstackidx; | |
| 125 int prev_num_matches; | |
| 126 int new_tag = FALSE; | |
| 127 int other_name; | |
| 128 int i, j, k; | |
| 129 int idx; | |
| 130 int ic; | |
| 131 char_u *p; | |
| 132 char_u *name; | |
| 133 int no_regexp = FALSE; | |
| 134 int error_cur_match = 0; | |
| 135 char_u *command_end; | |
| 136 int save_pos = FALSE; | |
| 137 fmark_T saved_fmark; | |
| 138 int taglen; | |
| 139 #ifdef FEAT_CSCOPE | |
| 140 int jumped_to_tag = FALSE; | |
| 141 #endif | |
| 142 tagptrs_T tagp, tagp2; | |
| 143 int new_num_matches; | |
| 144 char_u **new_matches; | |
| 145 int attr; | |
| 146 int use_tagstack; | |
| 147 int skip_msg = FALSE; | |
| 148 char_u *buf_ffname = curbuf->b_ffname; /* name to use for | |
| 149 priority computation */ | |
| 150 | |
| 151 /* remember the matches for the last used tag */ | |
| 152 static int num_matches = 0; | |
| 153 static int max_num_matches = 0; /* limit used for match search */ | |
| 154 static char_u **matches = NULL; | |
| 155 static int flags; | |
| 156 | |
| 359 | 157 #ifdef EXITFREE |
| 158 if (type == DT_FREE) | |
| 159 { | |
| 160 /* remove the list of matches */ | |
| 161 FreeWild(num_matches, matches); | |
| 162 # ifdef FEAT_CSCOPE | |
| 163 cs_free_tags(); | |
| 164 # endif | |
| 165 num_matches = 0; | |
| 166 return FALSE; | |
| 167 } | |
| 168 #endif | |
| 169 | |
| 7 | 170 if (type == DT_HELP) |
| 171 { | |
| 172 type = DT_TAG; | |
| 173 no_regexp = TRUE; | |
| 174 } | |
| 175 | |
| 176 prev_num_matches = num_matches; | |
| 177 free_string_option(nofile_fname); | |
| 178 nofile_fname = NULL; | |
| 179 | |
| 698 | 180 clearpos(&saved_fmark.mark); /* shutup gcc 4.0 */ |
| 181 saved_fmark.fnum = 0; | |
| 182 | |
| 7 | 183 /* |
| 184 * Don't add a tag to the tagstack if 'tagstack' has been reset. | |
| 185 */ | |
| 186 if ((!p_tgst && *tag != NUL)) | |
| 187 { | |
| 188 use_tagstack = FALSE; | |
| 189 new_tag = TRUE; | |
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190 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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191 if (g_do_tagpreview != 0) |
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commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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192 { |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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193 vim_free(ptag_entry.tagname); |
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commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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194 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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195 goto end_do_tag; |
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commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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196 } |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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diff
changeset
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197 #endif |
| 7 | 198 } |
| 199 else | |
| 200 { | |
| 201 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 202 if (g_do_tagpreview != 0) |
| 7 | 203 use_tagstack = FALSE; |
| 204 else | |
| 205 #endif | |
| 206 use_tagstack = TRUE; | |
| 207 | |
| 208 /* new pattern, add to the tag stack */ | |
| 845 | 209 if (*tag != NUL |
| 210 && (type == DT_TAG || type == DT_SELECT || type == DT_JUMP | |
| 649 | 211 #ifdef FEAT_QUICKFIX |
| 212 || type == DT_LTAG | |
| 213 #endif | |
| 7 | 214 #ifdef FEAT_CSCOPE |
| 215 || type == DT_CSCOPE | |
| 216 #endif | |
| 217 )) | |
| 218 { | |
| 219 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 220 if (g_do_tagpreview != 0) |
| 7 | 221 { |
| 222 if (ptag_entry.tagname != NULL | |
| 223 && STRCMP(ptag_entry.tagname, tag) == 0) | |
| 224 { | |
| 225 /* Jumping to same tag: keep the current match, so that | |
| 226 * the CursorHold autocommand example works. */ | |
| 227 cur_match = ptag_entry.cur_match; | |
| 228 cur_fnum = ptag_entry.cur_fnum; | |
| 229 } | |
| 230 else | |
| 231 { | |
| 232 vim_free(ptag_entry.tagname); | |
| 233 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) | |
| 234 goto end_do_tag; | |
| 235 } | |
| 236 } | |
| 237 else | |
| 238 #endif | |
| 239 { | |
| 240 /* | |
| 241 * If the last used entry is not at the top, delete all tag | |
| 242 * stack entries above it. | |
| 243 */ | |
| 244 while (tagstackidx < tagstacklen) | |
| 245 vim_free(tagstack[--tagstacklen].tagname); | |
| 246 | |
| 247 /* if the tagstack is full: remove oldest entry */ | |
| 248 if (++tagstacklen > TAGSTACKSIZE) | |
| 249 { | |
| 250 tagstacklen = TAGSTACKSIZE; | |
| 251 vim_free(tagstack[0].tagname); | |
| 252 for (i = 1; i < tagstacklen; ++i) | |
| 253 tagstack[i - 1] = tagstack[i]; | |
| 254 --tagstackidx; | |
| 255 } | |
| 256 | |
| 257 /* | |
| 258 * put the tag name in the tag stack | |
| 259 */ | |
| 260 if ((tagstack[tagstackidx].tagname = vim_strsave(tag)) == NULL) | |
| 261 { | |
| 262 curwin->w_tagstacklen = tagstacklen - 1; | |
| 263 goto end_do_tag; | |
| 264 } | |
| 265 curwin->w_tagstacklen = tagstacklen; | |
| 266 | |
| 267 save_pos = TRUE; /* save the cursor position below */ | |
| 268 } | |
| 269 | |
| 270 new_tag = TRUE; | |
| 271 } | |
| 272 else | |
| 273 { | |
| 274 if ( | |
| 275 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 276 g_do_tagpreview != 0 ? ptag_entry.tagname == NULL : |
| 7 | 277 #endif |
| 278 tagstacklen == 0) | |
| 279 { | |
| 280 /* empty stack */ | |
| 281 EMSG(_(e_tagstack)); | |
| 282 goto end_do_tag; | |
| 283 } | |
| 284 | |
| 285 if (type == DT_POP) /* go to older position */ | |
| 286 { | |
| 287 #ifdef FEAT_FOLDING | |
| 288 int old_KeyTyped = KeyTyped; | |
| 289 #endif | |
| 290 if ((tagstackidx -= count) < 0) | |
| 291 { | |
| 292 EMSG(_(bottommsg)); | |
| 293 if (tagstackidx + count == 0) | |
| 294 { | |
| 295 /* We did [num]^T from the bottom of the stack */ | |
| 296 tagstackidx = 0; | |
| 297 goto end_do_tag; | |
| 298 } | |
| 299 /* We weren't at the bottom of the stack, so jump all the | |
| 300 * way to the bottom now. | |
| 301 */ | |
| 302 tagstackidx = 0; | |
| 303 } | |
| 304 else if (tagstackidx >= tagstacklen) /* count == 0? */ | |
| 305 { | |
| 306 EMSG(_(topmsg)); | |
| 307 goto end_do_tag; | |
| 308 } | |
| 309 | |
| 310 /* Make a copy of the fmark, autocommands may invalidate the | |
| 311 * tagstack before it's used. */ | |
| 312 saved_fmark = tagstack[tagstackidx].fmark; | |
| 313 if (saved_fmark.fnum != curbuf->b_fnum) | |
| 314 { | |
| 315 /* | |
| 316 * Jump to other file. If this fails (e.g. because the | |
| 317 * file was changed) keep original position in tag stack. | |
| 318 */ | |
| 319 if (buflist_getfile(saved_fmark.fnum, saved_fmark.mark.lnum, | |
| 320 GETF_SETMARK, forceit) == FAIL) | |
| 321 { | |
| 322 tagstackidx = oldtagstackidx; /* back to old posn */ | |
| 323 goto end_do_tag; | |
| 324 } | |
| 325 /* An BufReadPost autocommand may jump to the '" mark, but | |
| 326 * we don't what that here. */ | |
| 327 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 328 } | |
| 329 else | |
| 330 { | |
| 331 setpcmark(); | |
| 332 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 333 } | |
| 334 curwin->w_cursor.col = saved_fmark.mark.col; | |
| 335 curwin->w_set_curswant = TRUE; | |
| 336 check_cursor(); | |
| 337 #ifdef FEAT_FOLDING | |
| 338 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 339 foldOpenCursor(); | |
| 340 #endif | |
| 341 | |
| 342 /* remove the old list of matches */ | |
| 343 FreeWild(num_matches, matches); | |
| 344 #ifdef FEAT_CSCOPE | |
| 345 cs_free_tags(); | |
| 346 #endif | |
| 347 num_matches = 0; | |
| 845 | 348 tag_freematch(); |
| 7 | 349 goto end_do_tag; |
| 350 } | |
| 351 | |
| 692 | 352 if (type == DT_TAG |
| 353 #if defined(FEAT_QUICKFIX) | |
| 845 | 354 || type == DT_LTAG |
| 692 | 355 #endif |
| 845 | 356 ) |
| 7 | 357 { |
| 358 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 359 if (g_do_tagpreview != 0) |
| 7 | 360 { |
| 361 cur_match = ptag_entry.cur_match; | |
| 362 cur_fnum = ptag_entry.cur_fnum; | |
| 363 } | |
| 364 else | |
| 365 #endif | |
| 366 { | |
| 367 /* ":tag" (no argument): go to newer pattern */ | |
| 368 save_pos = TRUE; /* save the cursor position below */ | |
| 369 if ((tagstackidx += count - 1) >= tagstacklen) | |
| 370 { | |
| 371 /* | |
| 372 * Beyond the last one, just give an error message and | |
| 373 * go to the last one. Don't store the cursor | |
| 1204 | 374 * position. |
| 7 | 375 */ |
| 376 tagstackidx = tagstacklen - 1; | |
| 377 EMSG(_(topmsg)); | |
| 378 save_pos = FALSE; | |
| 379 } | |
| 380 else if (tagstackidx < 0) /* must have been count == 0 */ | |
| 381 { | |
| 382 EMSG(_(bottommsg)); | |
| 383 tagstackidx = 0; | |
| 384 goto end_do_tag; | |
| 385 } | |
| 386 cur_match = tagstack[tagstackidx].cur_match; | |
| 387 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 388 } | |
| 389 new_tag = TRUE; | |
| 390 } | |
| 391 else /* go to other matching tag */ | |
| 392 { | |
| 393 /* Save index for when selection is cancelled. */ | |
| 394 prevtagstackidx = tagstackidx; | |
| 395 | |
| 396 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 397 if (g_do_tagpreview != 0) |
| 7 | 398 { |
| 399 cur_match = ptag_entry.cur_match; | |
| 400 cur_fnum = ptag_entry.cur_fnum; | |
| 401 } | |
| 402 else | |
| 403 #endif | |
| 404 { | |
| 405 if (--tagstackidx < 0) | |
| 406 tagstackidx = 0; | |
| 407 cur_match = tagstack[tagstackidx].cur_match; | |
| 408 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 409 } | |
| 410 switch (type) | |
| 411 { | |
| 412 case DT_FIRST: cur_match = count - 1; break; | |
| 413 case DT_SELECT: | |
| 414 case DT_JUMP: | |
| 415 #ifdef FEAT_CSCOPE | |
| 416 case DT_CSCOPE: | |
| 417 #endif | |
| 418 case DT_LAST: cur_match = MAXCOL - 1; break; | |
| 419 case DT_NEXT: cur_match += count; break; | |
| 420 case DT_PREV: cur_match -= count; break; | |
| 421 } | |
| 422 if (cur_match >= MAXCOL) | |
| 423 cur_match = MAXCOL - 1; | |
| 424 else if (cur_match < 0) | |
| 425 { | |
| 426 EMSG(_("E425: Cannot go before first matching tag")); | |
| 427 skip_msg = TRUE; | |
| 428 cur_match = 0; | |
| 429 cur_fnum = curbuf->b_fnum; | |
| 430 } | |
| 431 } | |
| 432 } | |
| 433 | |
| 434 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 435 if (g_do_tagpreview != 0) |
| 7 | 436 { |
| 437 if (type != DT_SELECT && type != DT_JUMP) | |
| 438 { | |
| 439 ptag_entry.cur_match = cur_match; | |
| 440 ptag_entry.cur_fnum = cur_fnum; | |
| 441 } | |
| 442 } | |
| 443 else | |
| 444 #endif | |
| 445 { | |
| 446 /* | |
| 447 * For ":tag [arg]" or ":tselect" remember position before the jump. | |
| 448 */ | |
| 449 saved_fmark = tagstack[tagstackidx].fmark; | |
| 450 if (save_pos) | |
| 451 { | |
| 452 tagstack[tagstackidx].fmark.mark = curwin->w_cursor; | |
| 453 tagstack[tagstackidx].fmark.fnum = curbuf->b_fnum; | |
| 454 } | |
| 455 | |
| 456 /* Curwin will change in the call to jumpto_tag() if ":stag" was | |
| 457 * used or an autocommand jumps to another window; store value of | |
| 458 * tagstackidx now. */ | |
| 459 curwin->w_tagstackidx = tagstackidx; | |
| 460 if (type != DT_SELECT && type != DT_JUMP) | |
| 461 { | |
| 462 curwin->w_tagstack[tagstackidx].cur_match = cur_match; | |
| 463 curwin->w_tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 464 } | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 /* When not using the current buffer get the name of buffer "cur_fnum". | |
| 469 * Makes sure that the tag order doesn't change when using a remembered | |
| 470 * position for "cur_match". */ | |
| 471 if (cur_fnum != curbuf->b_fnum) | |
| 472 { | |
| 473 buf_T *buf = buflist_findnr(cur_fnum); | |
| 474 | |
| 475 if (buf != NULL) | |
| 476 buf_ffname = buf->b_ffname; | |
| 477 } | |
| 478 | |
| 479 /* | |
| 480 * Repeat searching for tags, when a file has not been found. | |
| 481 */ | |
| 482 for (;;) | |
| 483 { | |
| 484 /* | |
| 485 * When desired match not found yet, try to find it (and others). | |
| 486 */ | |
| 487 if (use_tagstack) | |
| 488 name = tagstack[tagstackidx].tagname; | |
| 489 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 490 else if (g_do_tagpreview != 0) |
| 7 | 491 name = ptag_entry.tagname; |
| 492 #endif | |
| 493 else | |
| 494 name = tag; | |
| 495 other_name = (tagmatchname == NULL || STRCMP(tagmatchname, name) != 0); | |
| 496 if (new_tag | |
| 497 || (cur_match >= num_matches && max_num_matches != MAXCOL) | |
| 498 || other_name) | |
| 499 { | |
| 500 if (other_name) | |
| 501 { | |
| 502 vim_free(tagmatchname); | |
| 503 tagmatchname = vim_strsave(name); | |
| 504 } | |
| 505 | |
| 6851 | 506 if (type == DT_TAG || type == DT_SELECT || type == DT_JUMP |
| 692 | 507 #if defined(FEAT_QUICKFIX) |
| 508 || type == DT_LTAG | |
| 509 #endif | |
| 510 ) | |
| 7 | 511 cur_match = MAXCOL - 1; |
| 512 max_num_matches = cur_match + 1; | |
| 513 | |
| 514 /* when the argument starts with '/', use it as a regexp */ | |
| 515 if (!no_regexp && *name == '/') | |
| 516 { | |
| 517 flags = TAG_REGEXP; | |
| 518 ++name; | |
| 519 } | |
| 520 else | |
| 521 flags = TAG_NOIC; | |
| 522 | |
| 523 #ifdef FEAT_CSCOPE | |
| 524 if (type == DT_CSCOPE) | |
| 525 flags = TAG_CSCOPE; | |
| 526 #endif | |
| 527 if (verbose) | |
| 528 flags |= TAG_VERBOSE; | |
| 529 if (find_tags(name, &new_num_matches, &new_matches, flags, | |
| 530 max_num_matches, buf_ffname) == OK | |
| 531 && new_num_matches < max_num_matches) | |
| 532 max_num_matches = MAXCOL; /* If less than max_num_matches | |
| 533 found: all matches found. */ | |
| 534 | |
| 535 /* If there already were some matches for the same name, move them | |
| 536 * to the start. Avoids that the order changes when using | |
| 537 * ":tnext" and jumping to another file. */ | |
| 538 if (!new_tag && !other_name) | |
| 539 { | |
| 540 /* Find the position of each old match in the new list. Need | |
| 541 * to use parse_match() to find the tag line. */ | |
| 542 idx = 0; | |
| 543 for (j = 0; j < num_matches; ++j) | |
| 544 { | |
| 545 parse_match(matches[j], &tagp); | |
| 546 for (i = idx; i < new_num_matches; ++i) | |
| 547 { | |
| 548 parse_match(new_matches[i], &tagp2); | |
| 549 if (STRCMP(tagp.tagname, tagp2.tagname) == 0) | |
| 550 { | |
| 551 p = new_matches[i]; | |
| 552 for (k = i; k > idx; --k) | |
| 553 new_matches[k] = new_matches[k - 1]; | |
| 554 new_matches[idx++] = p; | |
| 555 break; | |
| 556 } | |
| 557 } | |
| 558 } | |
| 559 } | |
| 560 FreeWild(num_matches, matches); | |
| 561 num_matches = new_num_matches; | |
| 562 matches = new_matches; | |
| 563 } | |
| 564 | |
| 565 if (num_matches <= 0) | |
| 566 { | |
| 567 if (verbose) | |
| 568 EMSG2(_("E426: tag not found: %s"), name); | |
| 569 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 570 g_do_tagpreview = 0; | |
| 571 #endif | |
| 572 } | |
| 573 else | |
| 574 { | |
| 575 int ask_for_selection = FALSE; | |
| 576 | |
| 577 #ifdef FEAT_CSCOPE | |
| 578 if (type == DT_CSCOPE && num_matches > 1) | |
| 579 { | |
| 580 cs_print_tags(); | |
| 581 ask_for_selection = TRUE; | |
| 582 } | |
| 583 else | |
| 584 #endif | |
| 6851 | 585 if (type == DT_TAG) |
| 586 /* | |
| 587 * If a count is supplied to the ":tag <name>" command, then | |
| 588 * jump to count'th matching tag. | |
| 589 */ | |
| 590 cur_match = count > 0 ? count - 1 : 0; | |
| 591 else if (type == DT_SELECT || (type == DT_JUMP && num_matches > 1)) | |
| 7 | 592 { |
| 593 /* | |
| 594 * List all the matching tags. | |
| 595 * Assume that the first match indicates how long the tags can | |
| 596 * be, and align the file names to that. | |
| 597 */ | |
| 598 parse_match(matches[0], &tagp); | |
| 599 taglen = (int)(tagp.tagname_end - tagp.tagname + 2); | |
| 600 if (taglen < 18) | |
| 601 taglen = 18; | |
| 602 if (taglen > Columns - 25) | |
| 603 taglen = MAXCOL; | |
| 604 if (msg_col == 0) | |
| 605 msg_didout = FALSE; /* overwrite previous message */ | |
| 606 msg_start(); | |
| 607 MSG_PUTS_ATTR(_(" # pri kind tag"), hl_attr(HLF_T)); | |
| 608 msg_clr_eos(); | |
| 609 taglen_advance(taglen); | |
| 610 MSG_PUTS_ATTR(_("file\n"), hl_attr(HLF_T)); | |
| 611 | |
| 1826 | 612 for (i = 0; i < num_matches && !got_int; ++i) |
| 7 | 613 { |
| 614 parse_match(matches[i], &tagp); | |
| 615 if (!new_tag && ( | |
| 616 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 617 (g_do_tagpreview != 0 |
| 7 | 618 && i == ptag_entry.cur_match) || |
| 619 #endif | |
| 620 (use_tagstack | |
| 621 && i == tagstack[tagstackidx].cur_match))) | |
| 622 *IObuff = '>'; | |
| 623 else | |
| 624 *IObuff = ' '; | |
| 273 | 625 vim_snprintf((char *)IObuff + 1, IOSIZE - 1, |
| 626 "%2d %s ", i + 1, | |
| 7 | 627 mt_names[matches[i][0] & MT_MASK]); |
| 628 msg_puts(IObuff); | |
| 629 if (tagp.tagkind != NULL) | |
| 630 msg_outtrans_len(tagp.tagkind, | |
| 631 (int)(tagp.tagkind_end - tagp.tagkind)); | |
| 632 msg_advance(13); | |
| 633 msg_outtrans_len_attr(tagp.tagname, | |
| 634 (int)(tagp.tagname_end - tagp.tagname), | |
| 635 hl_attr(HLF_T)); | |
| 636 msg_putchar(' '); | |
| 637 taglen_advance(taglen); | |
| 638 | |
| 639 /* Find out the actual file name. If it is long, truncate | |
| 640 * it and put "..." in the middle */ | |
| 641 p = tag_full_fname(&tagp); | |
| 642 if (p != NULL) | |
| 643 { | |
| 644 msg_puts_long_attr(p, hl_attr(HLF_D)); | |
| 645 vim_free(p); | |
| 646 } | |
| 647 if (msg_col > 0) | |
| 648 msg_putchar('\n'); | |
| 1826 | 649 if (got_int) |
| 650 break; | |
| 7 | 651 msg_advance(15); |
| 652 | |
| 653 /* print any extra fields */ | |
| 654 command_end = tagp.command_end; | |
| 655 if (command_end != NULL) | |
| 656 { | |
| 657 p = command_end + 3; | |
| 658 while (*p && *p != '\r' && *p != '\n') | |
| 659 { | |
| 660 while (*p == TAB) | |
| 661 ++p; | |
| 662 | |
| 663 /* skip "file:" without a value (static tag) */ | |
| 664 if (STRNCMP(p, "file:", 5) == 0 | |
| 665 && vim_isspace(p[5])) | |
| 666 { | |
| 667 p += 5; | |
| 668 continue; | |
| 669 } | |
| 670 /* skip "kind:<kind>" and "<kind>" */ | |
| 671 if (p == tagp.tagkind | |
| 672 || (p + 5 == tagp.tagkind | |
| 673 && STRNCMP(p, "kind:", 5) == 0)) | |
| 674 { | |
| 675 p = tagp.tagkind_end; | |
| 676 continue; | |
| 677 } | |
| 678 /* print all other extra fields */ | |
| 679 attr = hl_attr(HLF_CM); | |
| 680 while (*p && *p != '\r' && *p != '\n') | |
| 681 { | |
| 682 if (msg_col + ptr2cells(p) >= Columns) | |
| 683 { | |
| 684 msg_putchar('\n'); | |
| 1826 | 685 if (got_int) |
| 686 break; | |
| 7 | 687 msg_advance(15); |
| 688 } | |
| 689 p = msg_outtrans_one(p, attr); | |
| 690 if (*p == TAB) | |
| 691 { | |
| 692 msg_puts_attr((char_u *)" ", attr); | |
| 693 break; | |
| 694 } | |
| 695 if (*p == ':') | |
| 696 attr = 0; | |
| 697 } | |
| 698 } | |
| 699 if (msg_col > 15) | |
| 700 { | |
| 701 msg_putchar('\n'); | |
| 1826 | 702 if (got_int) |
| 703 break; | |
| 7 | 704 msg_advance(15); |
| 705 } | |
| 706 } | |
| 707 else | |
| 708 { | |
| 709 for (p = tagp.command; | |
| 710 *p && *p != '\r' && *p != '\n'; ++p) | |
| 711 ; | |
| 712 command_end = p; | |
| 713 } | |
| 714 | |
| 715 /* | |
| 716 * Put the info (in several lines) at column 15. | |
| 717 * Don't display "/^" and "?^". | |
| 718 */ | |
| 719 p = tagp.command; | |
| 720 if (*p == '/' || *p == '?') | |
| 721 { | |
| 722 ++p; | |
| 723 if (*p == '^') | |
| 724 ++p; | |
| 725 } | |
| 726 /* Remove leading whitespace from pattern */ | |
| 727 while (p != command_end && vim_isspace(*p)) | |
| 728 ++p; | |
| 729 | |
| 730 while (p != command_end) | |
| 731 { | |
| 732 if (msg_col + (*p == TAB ? 1 : ptr2cells(p)) > Columns) | |
| 733 msg_putchar('\n'); | |
| 1826 | 734 if (got_int) |
| 735 break; | |
| 7 | 736 msg_advance(15); |
| 737 | |
| 5792 | 738 /* skip backslash used for escaping a command char or |
| 739 * a backslash */ | |
| 740 if (*p == '\\' && (*(p + 1) == *tagp.command | |
|
10444
2edda415c28a
commit https://github.com/vim/vim/commit/6dbf66aa3e2197ce41f2b1cc7602bb9c15840548
Christian Brabandt <cb@256bit.org>
parents:
10430
diff
changeset
|
741 || *(p + 1) == '\\')) |
| 7 | 742 ++p; |
| 743 | |
| 744 if (*p == TAB) | |
| 745 { | |
| 746 msg_putchar(' '); | |
| 747 ++p; | |
| 748 } | |
| 749 else | |
| 750 p = msg_outtrans_one(p, 0); | |
| 751 | |
| 752 /* don't display the "$/;\"" and "$?;\"" */ | |
| 753 if (p == command_end - 2 && *p == '$' | |
| 754 && *(p + 1) == *tagp.command) | |
| 755 break; | |
| 756 /* don't display matching '/' or '?' */ | |
| 757 if (p == command_end - 1 && *p == *tagp.command | |
| 758 && (*p == '/' || *p == '?')) | |
| 759 break; | |
| 760 } | |
| 761 if (msg_col) | |
| 762 msg_putchar('\n'); | |
| 763 ui_breakcheck(); | |
| 764 } | |
| 1826 | 765 if (got_int) |
| 766 got_int = FALSE; /* only stop the listing */ | |
| 7 | 767 ask_for_selection = TRUE; |
| 768 } | |
| 649 | 769 #if defined(FEAT_QUICKFIX) && defined(FEAT_EVAL) |
| 692 | 770 else if (type == DT_LTAG) |
| 649 | 771 { |
| 772 list_T *list; | |
| 773 char_u tag_name[128 + 1]; | |
| 2770 | 774 char_u *fname; |
| 775 char_u *cmd; | |
| 649 | 776 |
| 777 /* | |
| 778 * Add the matching tags to the location list for the current | |
| 779 * window. | |
| 780 */ | |
| 781 | |
| 2770 | 782 fname = alloc(MAXPATHL + 1); |
| 783 cmd = alloc(CMDBUFFSIZE + 1); | |
| 649 | 784 list = list_alloc(); |
| 2770 | 785 if (list == NULL || fname == NULL || cmd == NULL) |
| 786 { | |
| 787 vim_free(cmd); | |
| 788 vim_free(fname); | |
| 789 if (list != NULL) | |
|
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8524
diff
changeset
|
790 list_free(list); |
| 649 | 791 goto end_do_tag; |
| 2770 | 792 } |
| 649 | 793 |
| 794 for (i = 0; i < num_matches; ++i) | |
| 795 { | |
| 796 int len, cmd_len; | |
| 797 long lnum; | |
| 798 dict_T *dict; | |
| 799 | |
| 800 parse_match(matches[i], &tagp); | |
| 801 | |
| 802 /* Save the tag name */ | |
| 835 | 803 len = (int)(tagp.tagname_end - tagp.tagname); |
| 649 | 804 if (len > 128) |
| 805 len = 128; | |
| 806 vim_strncpy(tag_name, tagp.tagname, len); | |
| 807 tag_name[len] = NUL; | |
| 808 | |
| 809 /* Save the tag file name */ | |
| 810 p = tag_full_fname(&tagp); | |
| 811 if (p == NULL) | |
| 812 continue; | |
| 2768 | 813 vim_strncpy(fname, p, MAXPATHL); |
| 649 | 814 vim_free(p); |
| 815 | |
| 816 /* | |
| 817 * Get the line number or the search pattern used to locate | |
| 818 * the tag. | |
| 819 */ | |
| 820 lnum = 0; | |
| 821 if (isdigit(*tagp.command)) | |
| 822 /* Line number is used to locate the tag */ | |
| 823 lnum = atol((char *)tagp.command); | |
| 824 else | |
| 825 { | |
| 826 char_u *cmd_start, *cmd_end; | |
| 827 | |
| 828 /* Search pattern is used to locate the tag */ | |
| 829 | |
| 830 /* Locate the end of the command */ | |
| 831 cmd_start = tagp.command; | |
| 832 cmd_end = tagp.command_end; | |
| 833 if (cmd_end == NULL) | |
| 834 { | |
| 835 for (p = tagp.command; | |
| 836 *p && *p != '\r' && *p != '\n'; ++p) | |
| 837 ; | |
| 838 cmd_end = p; | |
| 839 } | |
| 692 | 840 |
| 649 | 841 /* |
| 842 * Now, cmd_end points to the character after the | |
| 843 * command. Adjust it to point to the last | |
| 844 * character of the command. | |
| 845 */ | |
| 846 cmd_end--; | |
| 847 | |
| 848 /* | |
| 849 * Skip the '/' and '?' characters at the | |
| 850 * beginning and end of the search pattern. | |
| 851 */ | |
| 852 if (*cmd_start == '/' || *cmd_start == '?') | |
| 853 cmd_start++; | |
| 854 | |
| 855 if (*cmd_end == '/' || *cmd_end == '?') | |
| 856 cmd_end--; | |
| 857 | |
| 858 len = 0; | |
| 859 cmd[0] = NUL; | |
| 860 | |
| 861 /* | |
| 862 * If "^" is present in the tag search pattern, then | |
| 863 * copy it first. | |
| 864 */ | |
| 865 if (*cmd_start == '^') | |
| 866 { | |
| 867 STRCPY(cmd, "^"); | |
| 868 cmd_start++; | |
| 869 len++; | |
| 870 } | |
| 871 | |
| 872 /* | |
| 873 * Precede the tag pattern with \V to make it very | |
| 874 * nomagic. | |
| 875 */ | |
| 876 STRCAT(cmd, "\\V"); | |
| 877 len += 2; | |
| 878 | |
| 835 | 879 cmd_len = (int)(cmd_end - cmd_start + 1); |
| 649 | 880 if (cmd_len > (CMDBUFFSIZE - 5)) |
| 881 cmd_len = CMDBUFFSIZE - 5; | |
| 882 STRNCAT(cmd, cmd_start, cmd_len); | |
| 883 len += cmd_len; | |
| 884 | |
| 885 if (cmd[len - 1] == '$') | |
| 886 { | |
| 692 | 887 /* |
| 649 | 888 * Replace '$' at the end of the search pattern |
| 889 * with '\$' | |
| 890 */ | |
| 891 cmd[len - 1] = '\\'; | |
| 892 cmd[len] = '$'; | |
| 893 len++; | |
| 894 } | |
| 895 | |
| 896 cmd[len] = NUL; | |
| 897 } | |
| 898 | |
| 899 if ((dict = dict_alloc()) == NULL) | |
| 900 continue; | |
| 901 if (list_append_dict(list, dict) == FAIL) | |
| 902 { | |
| 903 vim_free(dict); | |
| 904 continue; | |
| 905 } | |
| 906 | |
| 907 dict_add_nr_str(dict, "text", 0L, tag_name); | |
| 908 dict_add_nr_str(dict, "filename", 0L, fname); | |
| 909 dict_add_nr_str(dict, "lnum", lnum, NULL); | |
| 910 if (lnum == 0) | |
| 911 dict_add_nr_str(dict, "pattern", 0L, cmd); | |
| 912 } | |
| 913 | |
| 2533 | 914 vim_snprintf((char *)IObuff, IOSIZE, "ltag %s", tag); |
|
9850
67781bb0a61a
commit https://github.com/vim/vim/commit/d823fa910cca43fec3c31c030ee908a14c272640
Christian Brabandt <cb@256bit.org>
parents:
9387
diff
changeset
|
915 set_errorlist(curwin, list, ' ', IObuff, NULL); |
| 649 | 916 |
|
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8524
diff
changeset
|
917 list_free(list); |
| 2770 | 918 vim_free(fname); |
| 919 vim_free(cmd); | |
| 692 | 920 |
| 921 cur_match = 0; /* Jump to the first tag */ | |
| 649 | 922 } |
| 923 #endif | |
| 7 | 924 |
| 925 if (ask_for_selection == TRUE) | |
| 926 { | |
| 927 /* | |
| 928 * Ask to select a tag from the list. | |
| 929 */ | |
| 373 | 930 i = prompt_for_number(NULL); |
| 7 | 931 if (i <= 0 || i > num_matches || got_int) |
| 932 { | |
| 933 /* no valid choice: don't change anything */ | |
| 934 if (use_tagstack) | |
| 935 { | |
| 936 tagstack[tagstackidx].fmark = saved_fmark; | |
| 937 tagstackidx = prevtagstackidx; | |
| 938 } | |
| 939 #ifdef FEAT_CSCOPE | |
| 940 cs_free_tags(); | |
| 941 jumped_to_tag = TRUE; | |
| 942 #endif | |
| 943 break; | |
| 944 } | |
| 945 cur_match = i - 1; | |
| 946 } | |
| 947 | |
| 948 if (cur_match >= num_matches) | |
| 949 { | |
| 950 /* Avoid giving this error when a file wasn't found and we're | |
| 951 * looking for a match in another file, which wasn't found. | |
| 952 * There will be an EMSG("file doesn't exist") below then. */ | |
| 953 if ((type == DT_NEXT || type == DT_FIRST) | |
| 954 && nofile_fname == NULL) | |
| 955 { | |
| 956 if (num_matches == 1) | |
| 957 EMSG(_("E427: There is only one matching tag")); | |
| 958 else | |
| 959 EMSG(_("E428: Cannot go beyond last matching tag")); | |
| 960 skip_msg = TRUE; | |
| 961 } | |
| 962 cur_match = num_matches - 1; | |
| 963 } | |
| 964 if (use_tagstack) | |
| 965 { | |
| 966 tagstack[tagstackidx].cur_match = cur_match; | |
| 967 tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 968 ++tagstackidx; | |
| 969 } | |
| 970 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 971 else if (g_do_tagpreview != 0) |
| 7 | 972 { |
| 973 ptag_entry.cur_match = cur_match; | |
| 974 ptag_entry.cur_fnum = cur_fnum; | |
| 975 } | |
| 976 #endif | |
| 977 | |
| 978 /* | |
| 979 * Only when going to try the next match, report that the previous | |
| 980 * file didn't exist. Otherwise an EMSG() is given below. | |
| 981 */ | |
| 982 if (nofile_fname != NULL && error_cur_match != cur_match) | |
| 273 | 983 smsg((char_u *)_("File \"%s\" does not exist"), nofile_fname); |
| 7 | 984 |
| 985 | |
| 986 ic = (matches[cur_match][0] & MT_IC_OFF); | |
| 6851 | 987 if (type != DT_TAG && type != DT_SELECT && type != DT_JUMP |
| 7 | 988 #ifdef FEAT_CSCOPE |
| 989 && type != DT_CSCOPE | |
| 990 #endif | |
| 991 && (num_matches > 1 || ic) | |
| 992 && !skip_msg) | |
| 993 { | |
| 994 /* Give an indication of the number of matching tags */ | |
| 995 sprintf((char *)IObuff, _("tag %d of %d%s"), | |
| 996 cur_match + 1, | |
| 997 num_matches, | |
| 998 max_num_matches != MAXCOL ? _(" or more") : ""); | |
| 999 if (ic) | |
| 1000 STRCAT(IObuff, _(" Using tag with different case!")); | |
| 1001 if ((num_matches > prev_num_matches || new_tag) | |
| 1002 && num_matches > 1) | |
| 1003 { | |
| 1004 if (ic) | |
| 1005 msg_attr(IObuff, hl_attr(HLF_W)); | |
| 1006 else | |
| 1007 msg(IObuff); | |
| 1008 msg_scroll = TRUE; /* don't overwrite this message */ | |
| 1009 } | |
| 1010 else | |
| 1011 give_warning(IObuff, ic); | |
| 1012 if (ic && !msg_scrolled && msg_silent == 0) | |
| 1013 { | |
| 1014 out_flush(); | |
| 1015 ui_delay(1000L, TRUE); | |
| 1016 } | |
| 1017 } | |
| 1018 | |
| 589 | 1019 #ifdef FEAT_AUTOCMD |
| 1020 /* Let the SwapExists event know what tag we are jumping to. */ | |
| 1021 vim_snprintf((char *)IObuff, IOSIZE, ":ta %s\r", name); | |
| 1022 set_vim_var_string(VV_SWAPCOMMAND, IObuff, -1); | |
| 1023 #endif | |
| 1024 | |
| 7 | 1025 /* |
| 1026 * Jump to the desired match. | |
| 1027 */ | |
| 589 | 1028 i = jumpto_tag(matches[cur_match], forceit, type != DT_CSCOPE); |
| 1029 | |
| 1030 #ifdef FEAT_AUTOCMD | |
| 1031 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); | |
| 1032 #endif | |
| 1033 | |
| 1034 if (i == NOTAGFILE) | |
| 7 | 1035 { |
| 1036 /* File not found: try again with another matching tag */ | |
| 1037 if ((type == DT_PREV && cur_match > 0) | |
| 1038 || ((type == DT_TAG || type == DT_NEXT | |
| 1039 || type == DT_FIRST) | |
| 1040 && (max_num_matches != MAXCOL | |
| 1041 || cur_match < num_matches - 1))) | |
| 1042 { | |
| 1043 error_cur_match = cur_match; | |
| 1044 if (use_tagstack) | |
| 1045 --tagstackidx; | |
| 1046 if (type == DT_PREV) | |
| 1047 --cur_match; | |
| 1048 else | |
| 1049 { | |
| 1050 type = DT_NEXT; | |
| 1051 ++cur_match; | |
| 1052 } | |
| 1053 continue; | |
| 1054 } | |
| 1055 EMSG2(_("E429: File \"%s\" does not exist"), nofile_fname); | |
| 1056 } | |
| 1057 else | |
| 1058 { | |
| 1059 /* We may have jumped to another window, check that | |
| 1060 * tagstackidx is still valid. */ | |
| 1061 if (use_tagstack && tagstackidx > curwin->w_tagstacklen) | |
| 1062 tagstackidx = curwin->w_tagstackidx; | |
| 1063 #ifdef FEAT_CSCOPE | |
| 1064 jumped_to_tag = TRUE; | |
| 1065 #endif | |
| 1066 } | |
| 1067 } | |
| 1068 break; | |
| 1069 } | |
| 1070 | |
| 1071 end_do_tag: | |
| 1072 /* Only store the new index when using the tagstack and it's valid. */ | |
| 1073 if (use_tagstack && tagstackidx <= curwin->w_tagstacklen) | |
| 1074 curwin->w_tagstackidx = tagstackidx; | |
| 1075 #ifdef FEAT_WINDOWS | |
| 1076 postponed_split = 0; /* don't split next time */ | |
|
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1077 # ifdef FEAT_QUICKFIX |
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1078 g_do_tagpreview = 0; /* don't do tag preview next time */ |
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1079 # endif |
| 7 | 1080 #endif |
| 1081 | |
| 1082 #ifdef FEAT_CSCOPE | |
| 1083 return jumped_to_tag; | |
| 1084 #else | |
| 1085 return FALSE; | |
| 1086 #endif | |
| 1087 } | |
| 1088 | |
| 1089 /* | |
| 1090 * Free cached tags. | |
| 1091 */ | |
| 1092 void | |
|
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1093 tag_freematch(void) |
| 7 | 1094 { |
| 1095 vim_free(tagmatchname); | |
| 1096 tagmatchname = NULL; | |
| 1097 } | |
| 1098 | |
| 1099 static void | |
|
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1100 taglen_advance(int l) |
| 7 | 1101 { |
| 1102 if (l == MAXCOL) | |
| 1103 { | |
| 1104 msg_putchar('\n'); | |
| 1105 msg_advance(24); | |
| 1106 } | |
| 1107 else | |
| 1108 msg_advance(13 + l); | |
| 1109 } | |
| 1110 | |
| 1111 /* | |
| 1112 * Print the tag stack | |
| 1113 */ | |
| 1114 void | |
|
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1115 do_tags(exarg_T *eap UNUSED) |
| 7 | 1116 { |
| 1117 int i; | |
| 1118 char_u *name; | |
| 1119 taggy_T *tagstack = curwin->w_tagstack; | |
| 1120 int tagstackidx = curwin->w_tagstackidx; | |
| 1121 int tagstacklen = curwin->w_tagstacklen; | |
| 1122 | |
| 1123 /* Highlight title */ | |
| 1124 MSG_PUTS_TITLE(_("\n # TO tag FROM line in file/text")); | |
| 1125 for (i = 0; i < tagstacklen; ++i) | |
| 1126 { | |
| 1127 if (tagstack[i].tagname != NULL) | |
| 1128 { | |
| 1129 name = fm_getname(&(tagstack[i].fmark), 30); | |
| 1130 if (name == NULL) /* file name not available */ | |
| 1131 continue; | |
| 1132 | |
| 1133 msg_putchar('\n'); | |
| 1134 sprintf((char *)IObuff, "%c%2d %2d %-15s %5ld ", | |
| 1135 i == tagstackidx ? '>' : ' ', | |
| 1136 i + 1, | |
| 1137 tagstack[i].cur_match + 1, | |
| 1138 tagstack[i].tagname, | |
| 1139 tagstack[i].fmark.mark.lnum); | |
| 1140 msg_outtrans(IObuff); | |
| 1141 msg_outtrans_attr(name, tagstack[i].fmark.fnum == curbuf->b_fnum | |
| 1142 ? hl_attr(HLF_D) : 0); | |
| 1143 vim_free(name); | |
| 1144 } | |
| 1145 out_flush(); /* show one line at a time */ | |
| 1146 } | |
| 1147 if (tagstackidx == tagstacklen) /* idx at top of stack */ | |
| 1148 MSG_PUTS("\n>"); | |
| 1149 } | |
| 1150 | |
| 1151 /* When not using a CR for line separator, use vim_fgets() to read tag lines. | |
| 1152 * For the Mac use tag_fgets(). It can handle any line separator, but is much | |
| 1153 * slower than vim_fgets(). | |
| 1154 */ | |
| 1155 #ifndef USE_CR | |
| 1156 # define tag_fgets vim_fgets | |
| 1157 #endif | |
| 1158 | |
| 1159 #ifdef FEAT_TAG_BINS | |
|
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1160 static int tag_strnicmp(char_u *s1, char_u *s2, size_t len); |
| 7 | 1161 |
| 1162 /* | |
| 1163 * Compare two strings, for length "len", ignoring case the ASCII way. | |
| 1164 * return 0 for match, < 0 for smaller, > 0 for bigger | |
| 1165 * Make sure case is folded to uppercase in comparison (like for 'sort -f') | |
| 1166 */ | |
| 1167 static int | |
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1168 tag_strnicmp(char_u *s1, char_u *s2, size_t len) |
| 7 | 1169 { |
| 1170 int i; | |
| 1171 | |
| 1172 while (len > 0) | |
| 1173 { | |
| 1174 i = (int)TOUPPER_ASC(*s1) - (int)TOUPPER_ASC(*s2); | |
| 1175 if (i != 0) | |
| 1176 return i; /* this character different */ | |
| 1177 if (*s1 == NUL) | |
| 1178 break; /* strings match until NUL */ | |
| 1179 ++s1; | |
| 1180 ++s2; | |
| 1181 --len; | |
| 1182 } | |
| 1183 return 0; /* strings match */ | |
| 1184 } | |
| 1185 #endif | |
| 1186 | |
| 1187 /* | |
| 1188 * Structure to hold info about the tag pattern being used. | |
| 1189 */ | |
| 1190 typedef struct | |
| 1191 { | |
| 1192 char_u *pat; /* the pattern */ | |
| 1193 int len; /* length of pat[] */ | |
| 1194 char_u *head; /* start of pattern head */ | |
| 1195 int headlen; /* length of head[] */ | |
| 1196 regmatch_T regmatch; /* regexp program, may be NULL */ | |
| 1197 } pat_T; | |
| 1198 | |
|
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1199 static void prepare_pats(pat_T *pats, int has_re); |
| 7 | 1200 |
| 1201 /* | |
| 1202 * Extract info from the tag search pattern "pats->pat". | |
| 1203 */ | |
| 1204 static void | |
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1205 prepare_pats(pat_T *pats, int has_re) |
| 7 | 1206 { |
| 1207 pats->head = pats->pat; | |
| 1208 pats->headlen = pats->len; | |
| 1209 if (has_re) | |
| 1210 { | |
| 1211 /* When the pattern starts with '^' or "\\<", binary searching can be | |
| 1212 * used (much faster). */ | |
| 1213 if (pats->pat[0] == '^') | |
| 1214 pats->head = pats->pat + 1; | |
| 1215 else if (pats->pat[0] == '\\' && pats->pat[1] == '<') | |
| 1216 pats->head = pats->pat + 2; | |
| 1217 if (pats->head == pats->pat) | |
| 1218 pats->headlen = 0; | |
| 1219 else | |
| 1220 for (pats->headlen = 0; pats->head[pats->headlen] != NUL; | |
| 1221 ++pats->headlen) | |
| 1222 if (vim_strchr((char_u *)(p_magic ? ".[~*\\$" : "\\$"), | |
| 1223 pats->head[pats->headlen]) != NULL) | |
| 1224 break; | |
| 1225 if (p_tl != 0 && pats->headlen > p_tl) /* adjust for 'taglength' */ | |
| 1226 pats->headlen = p_tl; | |
| 1227 } | |
| 1228 | |
| 1229 if (has_re) | |
| 1230 pats->regmatch.regprog = vim_regcomp(pats->pat, p_magic ? RE_MAGIC : 0); | |
| 1231 else | |
| 1232 pats->regmatch.regprog = NULL; | |
| 1233 } | |
| 1234 | |
| 1235 /* | |
| 1236 * find_tags() - search for tags in tags files | |
| 1237 * | |
| 1238 * Return FAIL if search completely failed (*num_matches will be 0, *matchesp | |
| 1239 * will be NULL), OK otherwise. | |
| 1240 * | |
| 1241 * There is a priority in which type of tag is recognized. | |
| 1242 * | |
| 1243 * 6. A static or global tag with a full matching tag for the current file. | |
| 1244 * 5. A global tag with a full matching tag for another file. | |
| 1245 * 4. A static tag with a full matching tag for another file. | |
| 1246 * 3. A static or global tag with an ignore-case matching tag for the | |
| 1247 * current file. | |
| 1248 * 2. A global tag with an ignore-case matching tag for another file. | |
| 1249 * 1. A static tag with an ignore-case matching tag for another file. | |
| 1250 * | |
| 1251 * Tags in an emacs-style tags file are always global. | |
| 1252 * | |
| 1253 * flags: | |
| 1254 * TAG_HELP only search for help tags | |
| 1255 * TAG_NAMES only return name of tag | |
| 1256 * TAG_REGEXP use "pat" as a regexp | |
| 1257 * TAG_NOIC don't always ignore case | |
| 1258 * TAG_KEEP_LANG keep language | |
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1259 * TAG_CSCOPE use cscope results for tags |
| 7 | 1260 */ |
| 1261 int | |
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1262 find_tags( |
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1263 char_u *pat, /* pattern to search for */ |
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1264 int *num_matches, /* return: number of matches found */ |
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1265 char_u ***matchesp, /* return: array of matches found */ |
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1266 int flags, |
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1267 int mincount, /* MAXCOL: find all matches |
| 7 | 1268 other: minimal number of matches */ |
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1269 char_u *buf_ffname) /* name of buffer for priority */ |
| 7 | 1270 { |
| 1271 FILE *fp; | |
| 1272 char_u *lbuf; /* line buffer */ | |
| 3131 | 1273 int lbuf_size = LSIZE; /* length of lbuf */ |
| 7 | 1274 char_u *tag_fname; /* name of tag file */ |
| 692 | 1275 tagname_T tn; /* info for get_tagfname() */ |
| 7 | 1276 int first_file; /* trying first tag file */ |
| 1277 tagptrs_T tagp; | |
| 1278 int did_open = FALSE; /* did open a tag file */ | |
| 1279 int stop_searching = FALSE; /* stop when match found or error */ | |
| 1280 int retval = FAIL; /* return value */ | |
| 1281 int is_static; /* current tag line is static */ | |
| 1282 int is_current; /* file name matches */ | |
| 1283 int eof = FALSE; /* found end-of-file */ | |
| 1284 char_u *p; | |
| 1285 char_u *s; | |
| 1286 int i; | |
| 1287 #ifdef FEAT_TAG_BINS | |
| 3131 | 1288 int tag_file_sorted = NUL; /* !_TAG_FILE_SORTED value */ |
| 7 | 1289 struct tag_search_info /* Binary search file offsets */ |
| 1290 { | |
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1291 off_T low_offset; /* offset for first char of first line that |
| 7 | 1292 could match */ |
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1293 off_T high_offset; /* offset of char after last line that could |
| 7 | 1294 match */ |
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1295 off_T curr_offset; /* Current file offset in search range */ |
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1296 off_T curr_offset_used; /* curr_offset used when skipping back */ |
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1297 off_T match_offset; /* Where the binary search found a tag */ |
| 7 | 1298 int low_char; /* first char at low_offset */ |
| 1299 int high_char; /* first char at high_offset */ | |
| 1300 } search_info; | |
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1301 off_T filesize; |
| 7 | 1302 int tagcmp; |
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1303 off_T offset; |
| 7 | 1304 int round; |
| 1305 #endif | |
| 1306 enum | |
| 1307 { | |
| 1308 TS_START, /* at start of file */ | |
| 1309 TS_LINEAR /* linear searching forward, till EOF */ | |
| 1310 #ifdef FEAT_TAG_BINS | |
| 1311 , TS_BINARY, /* binary searching */ | |
| 1312 TS_SKIP_BACK, /* skipping backwards */ | |
| 1313 TS_STEP_FORWARD /* stepping forwards */ | |
| 1314 #endif | |
| 1315 } state; /* Current search state */ | |
| 1316 | |
| 1317 int cmplen; | |
| 1318 int match; /* matches */ | |
| 1319 int match_no_ic = 0;/* matches with rm_ic == FALSE */ | |
| 1320 int match_re; /* match with regexp */ | |
| 1321 int matchoff = 0; | |
| 5513 | 1322 int save_emsg_off; |
| 7 | 1323 |
| 1324 #ifdef FEAT_EMACS_TAGS | |
| 1325 /* | |
| 1326 * Stack for included emacs-tags file. | |
| 1327 * It has a fixed size, to truncate cyclic includes. jw | |
| 1328 */ | |
| 1329 # define INCSTACK_SIZE 42 | |
| 1330 struct | |
| 1331 { | |
| 1332 FILE *fp; | |
| 1333 char_u *etag_fname; | |
| 1334 } incstack[INCSTACK_SIZE]; | |
| 1335 | |
| 1336 int incstack_idx = 0; /* index in incstack */ | |
| 1204 | 1337 char_u *ebuf; /* additional buffer for etag fname */ |
| 7 | 1338 int is_etag; /* current file is emaces style */ |
| 1339 #endif | |
| 1340 | |
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1341 char_u *mfp; |
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1342 hashtab_T ht_match[MT_COUNT]; |
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1343 hash_T hash = 0; |
| 7 | 1344 int match_count = 0; /* number of matches found */ |
| 1345 char_u **matches; | |
| 1346 int mtt; | |
| 1347 int help_save; | |
| 1348 #ifdef FEAT_MULTI_LANG | |
| 1349 int help_pri = 0; | |
| 1350 char_u *help_lang_find = NULL; /* lang to be found */ | |
| 1351 char_u help_lang[3]; /* lang of current tags file */ | |
| 1352 char_u *saved_pat = NULL; /* copy of pat[] */ | |
|
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1353 int is_txt = FALSE; /* flag of file extension */ |
| 7 | 1354 #endif |
| 1355 | |
| 1356 pat_T orgpat; /* holds unconverted pattern info */ | |
| 1357 #ifdef FEAT_MBYTE | |
| 1358 vimconv_T vimconv; | |
| 1359 #endif | |
| 1360 | |
| 1361 #ifdef FEAT_TAG_BINS | |
| 1362 int findall = (mincount == MAXCOL || mincount == TAG_MANY); | |
| 1363 /* find all matching tags */ | |
| 1364 int sort_error = FALSE; /* tags file not sorted */ | |
| 1365 int linear; /* do a linear search */ | |
| 1366 int sortic = FALSE; /* tag file sorted in nocase */ | |
| 1367 #endif | |
| 1368 int line_error = FALSE; /* syntax error */ | |
| 1369 int has_re = (flags & TAG_REGEXP); /* regexp used */ | |
| 1370 int help_only = (flags & TAG_HELP); | |
| 1371 int name_only = (flags & TAG_NAMES); | |
| 1372 int noic = (flags & TAG_NOIC); | |
| 1373 int get_it_again = FALSE; | |
| 1374 #ifdef FEAT_CSCOPE | |
| 1375 int use_cscope = (flags & TAG_CSCOPE); | |
| 1376 #endif | |
| 1377 int verbose = (flags & TAG_VERBOSE); | |
|
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1378 int save_p_ic = p_ic; |
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1379 |
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1380 /* |
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1381 * Change the value of 'ignorecase' according to 'tagcase' for the |
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1382 * duration of this function. |
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1383 */ |
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1384 switch (curbuf->b_tc_flags ? curbuf->b_tc_flags : tc_flags) |
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1385 { |
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1386 case TC_FOLLOWIC: break; |
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1387 case TC_IGNORE: p_ic = TRUE; break; |
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1388 case TC_MATCH: p_ic = FALSE; break; |
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1389 case TC_FOLLOWSCS: p_ic = ignorecase(pat); break; |
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1390 case TC_SMART: p_ic = ignorecase_opt(pat, TRUE, TRUE); break; |
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1391 } |
| 7 | 1392 |
| 1393 help_save = curbuf->b_help; | |
| 1394 orgpat.pat = pat; | |
| 1395 #ifdef FEAT_MBYTE | |
| 1396 vimconv.vc_type = CONV_NONE; | |
| 1397 #endif | |
| 1398 | |
|
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1399 /* |
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1400 * Allocate memory for the buffers that are used |
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1401 */ |
| 3131 | 1402 lbuf = alloc(lbuf_size); |
| 7 | 1403 tag_fname = alloc(MAXPATHL + 1); |
| 1404 #ifdef FEAT_EMACS_TAGS | |
| 1405 ebuf = alloc(LSIZE); | |
| 1406 #endif | |
| 1407 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
|
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1408 hash_init(&ht_match[mtt]); |
| 7 | 1409 |
| 1410 /* check for out of memory situation */ | |
| 1411 if (lbuf == NULL || tag_fname == NULL | |
| 1412 #ifdef FEAT_EMACS_TAGS | |
| 1413 || ebuf == NULL | |
| 1414 #endif | |
| 1415 ) | |
| 1416 goto findtag_end; | |
| 1417 | |
| 1418 #ifdef FEAT_CSCOPE | |
| 1419 STRCPY(tag_fname, "from cscope"); /* for error messages */ | |
| 1420 #endif | |
| 1421 | |
| 1422 /* | |
| 1423 * Initialize a few variables | |
| 1424 */ | |
| 1425 if (help_only) /* want tags from help file */ | |
| 1426 curbuf->b_help = TRUE; /* will be restored later */ | |
|
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1427 #ifdef FEAT_CSCOPE |
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1428 else if (use_cscope) |
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1429 { |
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1430 /* Make sure we don't mix help and cscope, confuses Coverity. */ |
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1431 help_only = FALSE; |
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1432 curbuf->b_help = FALSE; |
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1433 } |
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1434 #endif |
| 7 | 1435 |
| 3131 | 1436 orgpat.len = (int)STRLEN(pat); |
| 7 | 1437 #ifdef FEAT_MULTI_LANG |
| 1438 if (curbuf->b_help) | |
| 1439 { | |
| 1440 /* When "@ab" is specified use only the "ab" language, otherwise | |
| 1441 * search all languages. */ | |
| 3131 | 1442 if (orgpat.len > 3 && pat[orgpat.len - 3] == '@' |
| 1443 && ASCII_ISALPHA(pat[orgpat.len - 2]) | |
| 1444 && ASCII_ISALPHA(pat[orgpat.len - 1])) | |
| 7 | 1445 { |
| 3131 | 1446 saved_pat = vim_strnsave(pat, orgpat.len - 3); |
| 7 | 1447 if (saved_pat != NULL) |
| 1448 { | |
| 3131 | 1449 help_lang_find = &pat[orgpat.len - 2]; |
| 1450 orgpat.pat = saved_pat; | |
| 1451 orgpat.len -= 3; | |
| 7 | 1452 } |
| 1453 } | |
| 1454 } | |
| 1455 #endif | |
| 3131 | 1456 if (p_tl != 0 && orgpat.len > p_tl) /* adjust for 'taglength' */ |
| 1457 orgpat.len = p_tl; | |
| 1458 | |
| 5513 | 1459 save_emsg_off = emsg_off; |
| 1460 emsg_off = TRUE; /* don't want error for invalid RE here */ | |
| 3131 | 1461 prepare_pats(&orgpat, has_re); |
| 5513 | 1462 emsg_off = save_emsg_off; |
| 3784 | 1463 if (has_re && orgpat.regmatch.regprog == NULL) |
| 1464 goto findtag_end; | |
| 7 | 1465 |
| 1466 #ifdef FEAT_TAG_BINS | |
| 1467 /* This is only to avoid a compiler warning for using search_info | |
| 1468 * uninitialised. */ | |
| 1469 vim_memset(&search_info, 0, (size_t)1); | |
| 1470 #endif | |
| 1471 | |
| 413 | 1472 /* |
| 1473 * When finding a specified number of matches, first try with matching | |
| 1474 * case, so binary search can be used, and try ignore-case matches in a | |
| 1475 * second loop. | |
| 1476 * When finding all matches, 'tagbsearch' is off, or there is no fixed | |
| 1477 * string to look for, ignore case right away to avoid going though the | |
| 1478 * tags files twice. | |
| 1479 * When the tag file is case-fold sorted, it is either one or the other. | |
| 1480 * Only ignore case when TAG_NOIC not used or 'ignorecase' set. | |
| 1481 */ | |
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1482 #ifdef FEAT_MULTI_LANG |
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1483 /* Set a flag if the file extension is .txt */ |
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1484 if ((flags & TAG_KEEP_LANG) |
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1485 && help_lang_find == NULL |
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1486 && curbuf->b_fname != NULL |
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1487 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
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1488 && STRICMP(curbuf->b_fname + i - 4, ".txt") == 0) |
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1489 is_txt = TRUE; |
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1490 #endif |
| 7 | 1491 #ifdef FEAT_TAG_BINS |
| 3131 | 1492 orgpat.regmatch.rm_ic = ((p_ic || !noic) |
| 1493 && (findall || orgpat.headlen == 0 || !p_tbs)); | |
| 7 | 1494 for (round = 1; round <= 2; ++round) |
| 1495 { | |
| 3131 | 1496 linear = (orgpat.headlen == 0 || !p_tbs || round == 2); |
| 7 | 1497 #else |
| 3131 | 1498 orgpat.regmatch.rm_ic = (p_ic || !noic); |
| 7 | 1499 #endif |
| 1500 | |
| 1501 /* | |
| 1502 * Try tag file names from tags option one by one. | |
| 1503 */ | |
| 1504 for (first_file = TRUE; | |
| 1505 #ifdef FEAT_CSCOPE | |
| 1506 use_cscope || | |
| 1507 #endif | |
| 692 | 1508 get_tagfname(&tn, first_file, tag_fname) == OK; |
| 1509 first_file = FALSE) | |
| 7 | 1510 { |
| 1511 /* | |
| 1512 * A file that doesn't exist is silently ignored. Only when not a | |
| 1513 * single file is found, an error message is given (further on). | |
| 1514 */ | |
| 1515 #ifdef FEAT_CSCOPE | |
| 1516 if (use_cscope) | |
| 1517 fp = NULL; /* avoid GCC warning */ | |
| 1518 else | |
| 1519 #endif | |
| 1520 { | |
| 1521 #ifdef FEAT_MULTI_LANG | |
| 1522 if (curbuf->b_help) | |
| 1523 { | |
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1524 /* Keep en if the file extension is .txt*/ |
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1525 if (is_txt) |
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1526 STRCPY(help_lang, "en"); |
| 7 | 1527 else |
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1528 { |
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1529 /* Prefer help tags according to 'helplang'. Put the |
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1530 * two-letter language name in help_lang[]. */ |
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1531 i = (int)STRLEN(tag_fname); |
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1532 if (i > 3 && tag_fname[i - 3] == '-') |
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1533 STRCPY(help_lang, tag_fname + i - 2); |
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1534 else |
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1535 STRCPY(help_lang, "en"); |
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1536 } |
| 7 | 1537 /* When searching for a specific language skip tags files |
| 1538 * for other languages. */ | |
| 1539 if (help_lang_find != NULL | |
| 1540 && STRICMP(help_lang, help_lang_find) != 0) | |
| 1541 continue; | |
| 1542 | |
| 1543 /* For CTRL-] in a help file prefer a match with the same | |
| 1544 * language. */ | |
| 1545 if ((flags & TAG_KEEP_LANG) | |
| 1546 && help_lang_find == NULL | |
| 1547 && curbuf->b_fname != NULL | |
| 835 | 1548 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
| 7 | 1549 && curbuf->b_fname[i - 1] == 'x' |
| 1550 && curbuf->b_fname[i - 4] == '.' | |
| 1551 && STRNICMP(curbuf->b_fname + i - 3, help_lang, 2) == 0) | |
| 1552 help_pri = 0; | |
| 1553 else | |
| 1554 { | |
| 1555 help_pri = 1; | |
| 1556 for (s = p_hlg; *s != NUL; ++s) | |
| 1557 { | |
| 1558 if (STRNICMP(s, help_lang, 2) == 0) | |
| 1559 break; | |
| 1560 ++help_pri; | |
| 1561 if ((s = vim_strchr(s, ',')) == NULL) | |
| 1562 break; | |
| 1563 } | |
| 1564 if (s == NULL || *s == NUL) | |
| 1565 { | |
| 1566 /* Language not in 'helplang': use last, prefer English, | |
| 1567 * unless found already. */ | |
| 1568 ++help_pri; | |
| 1569 if (STRICMP(help_lang, "en") != 0) | |
| 1570 ++help_pri; | |
| 1571 } | |
| 1572 } | |
| 1573 } | |
| 1574 #endif | |
| 1575 | |
| 1576 if ((fp = mch_fopen((char *)tag_fname, "r")) == NULL) | |
| 1577 continue; | |
| 1578 | |
| 1579 if (p_verbose >= 5) | |
| 292 | 1580 { |
| 1581 verbose_enter(); | |
| 273 | 1582 smsg((char_u *)_("Searching tags file %s"), tag_fname); |
| 292 | 1583 verbose_leave(); |
| 1584 } | |
| 7 | 1585 } |
| 1586 did_open = TRUE; /* remember that we found at least one file */ | |
| 1587 | |
| 1588 state = TS_START; /* we're at the start of the file */ | |
| 1589 #ifdef FEAT_EMACS_TAGS | |
| 1590 is_etag = 0; /* default is: not emacs style */ | |
| 1591 #endif | |
| 1592 | |
| 1593 /* | |
| 1594 * Read and parse the lines in the file one by one | |
| 1595 */ | |
| 1596 for (;;) | |
| 1597 { | |
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1598 #ifdef FEAT_TAG_BINS |
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1599 /* check for CTRL-C typed, more often when jumping around */ |
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1600 if (state == TS_BINARY || state == TS_SKIP_BACK) |
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1601 line_breakcheck(); |
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1602 else |
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1603 #endif |
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1604 fast_breakcheck(); |
| 7 | 1605 #ifdef FEAT_INS_EXPAND |
| 1606 if ((flags & TAG_INS_COMP)) /* Double brackets for gcc */ | |
|
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|
1607 ins_compl_check_keys(30, FALSE); |
| 449 | 1608 if (got_int || compl_interrupted) |
| 7 | 1609 #else |
| 1610 if (got_int) | |
| 1611 #endif | |
| 1612 { | |
| 1613 stop_searching = TRUE; | |
| 1614 break; | |
| 1615 } | |
| 1616 /* When mincount is TAG_MANY, stop when enough matches have been | |
| 1617 * found (for completion). */ | |
| 1618 if (mincount == TAG_MANY && match_count >= TAG_MANY) | |
| 1619 { | |
| 1620 stop_searching = TRUE; | |
| 1621 retval = OK; | |
| 1622 break; | |
| 1623 } | |
| 1624 if (get_it_again) | |
| 1625 goto line_read_in; | |
| 1626 #ifdef FEAT_TAG_BINS | |
| 1627 /* | |
| 1628 * For binary search: compute the next offset to use. | |
| 1629 */ | |
| 1630 if (state == TS_BINARY) | |
| 1631 { | |
| 1632 offset = search_info.low_offset + ((search_info.high_offset | |
| 1633 - search_info.low_offset) / 2); | |
| 1634 if (offset == search_info.curr_offset) | |
| 1635 break; /* End the binary search without a match. */ | |
| 1636 else | |
| 1637 search_info.curr_offset = offset; | |
| 1638 } | |
| 1639 | |
| 1640 /* | |
| 1641 * Skipping back (after a match during binary search). | |
| 1642 */ | |
| 1643 else if (state == TS_SKIP_BACK) | |
| 1644 { | |
| 1645 search_info.curr_offset -= LSIZE * 2; | |
| 1646 if (search_info.curr_offset < 0) | |
| 1647 { | |
| 1648 search_info.curr_offset = 0; | |
| 1649 rewind(fp); | |
| 1650 state = TS_STEP_FORWARD; | |
| 1651 } | |
| 1652 } | |
| 1653 | |
| 1654 /* | |
| 1655 * When jumping around in the file, first read a line to find the | |
| 1656 * start of the next line. | |
| 1657 */ | |
| 1658 if (state == TS_BINARY || state == TS_SKIP_BACK) | |
| 1659 { | |
| 1660 /* Adjust the search file offset to the correct position */ | |
| 1661 search_info.curr_offset_used = search_info.curr_offset; | |
|
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1662 vim_fseek(fp, search_info.curr_offset, SEEK_SET); |
| 7 | 1663 eof = tag_fgets(lbuf, LSIZE, fp); |
| 1664 if (!eof && search_info.curr_offset != 0) | |
| 1665 { | |
| 1146 | 1666 /* The explicit cast is to work around a bug in gcc 3.4.2 |
| 1667 * (repeated below). */ | |
|
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1668 search_info.curr_offset = vim_ftell(fp); |
| 7 | 1669 if (search_info.curr_offset == search_info.high_offset) |
| 1670 { | |
| 1671 /* oops, gone a bit too far; try from low offset */ | |
|
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1672 vim_fseek(fp, search_info.low_offset, SEEK_SET); |
| 7 | 1673 search_info.curr_offset = search_info.low_offset; |
| 1674 } | |
| 1675 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1676 } | |
| 1677 /* skip empty and blank lines */ | |
| 1678 while (!eof && vim_isblankline(lbuf)) | |
| 1679 { | |
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1680 search_info.curr_offset = vim_ftell(fp); |
| 7 | 1681 eof = tag_fgets(lbuf, LSIZE, fp); |
| 1682 } | |
| 1683 if (eof) | |
| 1684 { | |
| 1685 /* Hit end of file. Skip backwards. */ | |
| 1686 state = TS_SKIP_BACK; | |
|
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1687 search_info.match_offset = vim_ftell(fp); |
| 7 | 1688 search_info.curr_offset = search_info.curr_offset_used; |
| 1689 continue; | |
| 1690 } | |
| 1691 } | |
| 1692 | |
| 1693 /* | |
| 1694 * Not jumping around in the file: Read the next line. | |
| 1695 */ | |
| 1696 else | |
| 1697 #endif | |
| 1698 { | |
| 1699 /* skip empty and blank lines */ | |
| 1700 do | |
| 1701 { | |
| 1702 #ifdef FEAT_CSCOPE | |
| 1703 if (use_cscope) | |
| 1704 eof = cs_fgets(lbuf, LSIZE); | |
| 1705 else | |
| 1706 #endif | |
| 1707 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1708 } while (!eof && vim_isblankline(lbuf)); | |
| 1709 | |
| 1710 if (eof) | |
| 1711 { | |
| 1712 #ifdef FEAT_EMACS_TAGS | |
| 1713 if (incstack_idx) /* this was an included file */ | |
| 1714 { | |
| 1715 --incstack_idx; | |
| 1716 fclose(fp); /* end of this file ... */ | |
| 1717 fp = incstack[incstack_idx].fp; | |
| 1718 STRCPY(tag_fname, incstack[incstack_idx].etag_fname); | |
| 1719 vim_free(incstack[incstack_idx].etag_fname); | |
| 1720 is_etag = 1; /* (only etags can include) */ | |
| 1721 continue; /* ... continue with parent file */ | |
| 1722 } | |
| 1723 else | |
| 1724 #endif | |
| 1725 break; /* end of file */ | |
| 1726 } | |
| 1727 } | |
| 1728 line_read_in: | |
| 1729 | |
| 3131 | 1730 #ifdef FEAT_MBYTE |
| 1731 if (vimconv.vc_type != CONV_NONE) | |
| 1732 { | |
| 1733 char_u *conv_line; | |
| 1734 int len; | |
| 1735 | |
| 1736 /* Convert every line. Converting the pattern from 'enc' to | |
| 1737 * the tags file encoding doesn't work, because characters are | |
| 1738 * not recognized. */ | |
| 1739 conv_line = string_convert(&vimconv, lbuf, NULL); | |
| 1740 if (conv_line != NULL) | |
| 1741 { | |
| 1742 /* Copy or swap lbuf and conv_line. */ | |
| 1743 len = (int)STRLEN(conv_line) + 1; | |
| 1744 if (len > lbuf_size) | |
| 1745 { | |
| 1746 vim_free(lbuf); | |
| 1747 lbuf = conv_line; | |
| 1748 lbuf_size = len; | |
| 1749 } | |
| 1750 else | |
| 1751 { | |
| 1752 STRCPY(lbuf, conv_line); | |
| 1753 vim_free(conv_line); | |
| 1754 } | |
| 1755 } | |
| 1756 } | |
| 1757 #endif | |
| 1758 | |
| 1759 | |
| 7 | 1760 #ifdef FEAT_EMACS_TAGS |
| 1761 /* | |
| 1762 * Emacs tags line with CTRL-L: New file name on next line. | |
| 1763 * The file name is followed by a ','. | |
|
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1764 * Remember etag file name in ebuf. |
| 7 | 1765 */ |
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1766 if (*lbuf == Ctrl_L |
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1767 # ifdef FEAT_CSCOPE |
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1768 && !use_cscope |
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1769 # endif |
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1770 ) |
| 7 | 1771 { |
| 1772 is_etag = 1; /* in case at the start */ | |
| 1773 state = TS_LINEAR; | |
| 1774 if (!tag_fgets(ebuf, LSIZE, fp)) | |
| 1775 { | |
| 1776 for (p = ebuf; *p && *p != ','; p++) | |
| 1777 ; | |
| 1778 *p = NUL; | |
| 1779 | |
| 1780 /* | |
| 1781 * atoi(p+1) is the number of bytes before the next ^L | |
| 1782 * unless it is an include statement. | |
| 1783 */ | |
| 1784 if (STRNCMP(p + 1, "include", 7) == 0 | |
| 1785 && incstack_idx < INCSTACK_SIZE) | |
| 1786 { | |
| 1787 /* Save current "fp" and "tag_fname" in the stack. */ | |
| 1788 if ((incstack[incstack_idx].etag_fname = | |
| 1789 vim_strsave(tag_fname)) != NULL) | |
| 1790 { | |
| 1791 char_u *fullpath_ebuf; | |
| 1792 | |
| 1793 incstack[incstack_idx].fp = fp; | |
| 1794 fp = NULL; | |
| 1795 | |
| 1796 /* Figure out "tag_fname" and "fp" to use for | |
| 1797 * included file. */ | |
| 1798 fullpath_ebuf = expand_tag_fname(ebuf, | |
| 1799 tag_fname, FALSE); | |
| 1800 if (fullpath_ebuf != NULL) | |
| 1801 { | |
| 1802 fp = mch_fopen((char *)fullpath_ebuf, "r"); | |
| 1803 if (fp != NULL) | |
| 1804 { | |
| 1805 if (STRLEN(fullpath_ebuf) > LSIZE) | |
| 1806 EMSG2(_("E430: Tag file path truncated for %s\n"), ebuf); | |
| 418 | 1807 vim_strncpy(tag_fname, fullpath_ebuf, |
| 1808 MAXPATHL); | |
| 7 | 1809 ++incstack_idx; |
| 1810 is_etag = 0; /* we can include anything */ | |
| 1811 } | |
| 1812 vim_free(fullpath_ebuf); | |
| 1813 } | |
| 1814 if (fp == NULL) | |
| 1815 { | |
| 1816 /* Can't open the included file, skip it and | |
| 1817 * restore old value of "fp". */ | |
| 1818 fp = incstack[incstack_idx].fp; | |
| 1819 vim_free(incstack[incstack_idx].etag_fname); | |
| 1820 } | |
| 1821 } | |
| 1822 } | |
| 1823 } | |
| 1824 continue; | |
| 1825 } | |
| 1826 #endif | |
| 1827 | |
| 1828 /* | |
| 1829 * When still at the start of the file, check for Emacs tags file | |
| 1830 * format, and for "not sorted" flag. | |
| 1831 */ | |
| 1832 if (state == TS_START) | |
| 1833 { | |
| 5328 | 1834 /* The header ends when the line sorts below "!_TAG_". When |
| 1835 * case is folded lower case letters sort before "_". */ | |
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1836 if (STRNCMP(lbuf, "!_TAG_", 6) <= 0 |
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1837 || (lbuf[0] == '!' && ASCII_ISLOWER(lbuf[1]))) |
| 3131 | 1838 { |
| 5328 | 1839 if (STRNCMP(lbuf, "!_TAG_", 6) != 0) |
| 1840 /* Non-header item before the header, e.g. "!" itself. | |
| 1841 */ | |
| 1842 goto parse_line; | |
| 1843 | |
| 3131 | 1844 /* |
| 1845 * Read header line. | |
| 1846 */ | |
| 1847 #ifdef FEAT_TAG_BINS | |
| 1848 if (STRNCMP(lbuf, "!_TAG_FILE_SORTED\t", 18) == 0) | |
| 1849 tag_file_sorted = lbuf[18]; | |
| 1850 #endif | |
| 1851 #ifdef FEAT_MBYTE | |
| 1852 if (STRNCMP(lbuf, "!_TAG_FILE_ENCODING\t", 20) == 0) | |
| 1853 { | |
| 1854 /* Prepare to convert every line from the specified | |
| 1855 * encoding to 'encoding'. */ | |
| 1856 for (p = lbuf + 20; *p > ' ' && *p < 127; ++p) | |
| 1857 ; | |
| 1858 *p = NUL; | |
| 1859 convert_setup(&vimconv, lbuf + 20, p_enc); | |
| 1860 } | |
| 1861 #endif | |
| 1862 | |
| 1863 /* Read the next line. Unrecognized flags are ignored. */ | |
| 1864 continue; | |
| 1865 } | |
| 1866 | |
| 1867 /* Headers ends. */ | |
| 1868 | |
| 7 | 1869 #ifdef FEAT_TAG_BINS |
| 1870 /* | |
| 1871 * When there is no tag head, or ignoring case, need to do a | |
| 1872 * linear search. | |
| 1873 * When no "!_TAG_" is found, default to binary search. If | |
| 1874 * the tag file isn't sorted, the second loop will find it. | |
| 1875 * When "!_TAG_FILE_SORTED" found: start binary search if | |
| 1876 * flag set. | |
| 1877 * For cscope, it's always linear. | |
| 1878 */ | |
| 1879 # ifdef FEAT_CSCOPE | |
| 1880 if (linear || use_cscope) | |
| 1881 # else | |
| 1882 if (linear) | |
| 1883 # endif | |
| 1884 state = TS_LINEAR; | |
| 3131 | 1885 else if (tag_file_sorted == NUL) |
| 7 | 1886 state = TS_BINARY; |
| 3131 | 1887 else if (tag_file_sorted == '1') |
| 7 | 1888 state = TS_BINARY; |
| 3131 | 1889 else if (tag_file_sorted == '2') |
| 1890 { | |
| 1891 state = TS_BINARY; | |
| 1892 sortic = TRUE; | |
| 1893 orgpat.regmatch.rm_ic = (p_ic || !noic); | |
| 7 | 1894 } |
| 3131 | 1895 else |
| 1896 state = TS_LINEAR; | |
| 1897 | |
| 1898 if (state == TS_BINARY && orgpat.regmatch.rm_ic && !sortic) | |
| 7 | 1899 { |
| 3206 | 1900 /* Binary search won't work for ignoring case, use linear |
| 7 | 1901 * search. */ |
| 1902 linear = TRUE; | |
| 1903 state = TS_LINEAR; | |
| 1904 } | |
| 1905 #else | |
| 1906 state = TS_LINEAR; | |
| 1907 #endif | |
| 1908 | |
| 1909 #ifdef FEAT_TAG_BINS | |
| 1910 /* | |
| 1911 * When starting a binary search, get the size of the file and | |
| 1912 * compute the first offset. | |
| 1913 */ | |
| 1914 if (state == TS_BINARY) | |
| 1915 { | |
| 1916 /* Get the tag file size (don't use mch_fstat(), it's not | |
| 1917 * portable). */ | |
|
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1918 if ((filesize = vim_lseek(fileno(fp), |
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1919 (off_T)0L, SEEK_END)) <= 0) |
| 7 | 1920 state = TS_LINEAR; |
| 1921 else | |
| 1922 { | |
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1923 vim_lseek(fileno(fp), (off_T)0L, SEEK_SET); |
| 7 | 1924 |
| 1925 /* Calculate the first read offset in the file. Start | |
| 1926 * the search in the middle of the file. */ | |
| 1927 search_info.low_offset = 0; | |
| 1928 search_info.low_char = 0; | |
| 1929 search_info.high_offset = filesize; | |
| 1930 search_info.curr_offset = 0; | |
| 1931 search_info.high_char = 0xff; | |
| 1932 } | |
| 1933 continue; | |
| 1934 } | |
| 1935 #endif | |
| 1936 } | |
| 1937 | |
| 5328 | 1938 parse_line: |
| 7 | 1939 /* |
| 1940 * Figure out where the different strings are in this line. | |
| 1941 * For "normal" tags: Do a quick check if the tag matches. | |
| 1942 * This speeds up tag searching a lot! | |
| 1943 */ | |
| 3131 | 1944 if (orgpat.headlen |
| 7 | 1945 #ifdef FEAT_EMACS_TAGS |
| 1946 && !is_etag | |
| 1947 #endif | |
| 1948 ) | |
| 1949 { | |
| 1950 tagp.tagname = lbuf; | |
| 1951 #ifdef FEAT_TAG_ANYWHITE | |
| 1952 tagp.tagname_end = skiptowhite(lbuf); | |
| 3192 | 1953 if (*tagp.tagname_end == NUL) |
| 7 | 1954 #else |
| 1955 tagp.tagname_end = vim_strchr(lbuf, TAB); | |
| 3192 | 1956 if (tagp.tagname_end == NULL) |
| 7 | 1957 #endif |
| 1958 { | |
| 3192 | 1959 if (vim_strchr(lbuf, NL) == NULL) |
| 1960 { | |
| 1961 /* Truncated line, ignore it. Has been reported for | |
| 1962 * Mozilla JS with extremely long names. */ | |
| 1963 if (p_verbose >= 5) | |
| 1964 { | |
| 1965 verbose_enter(); | |
| 1966 MSG(_("Ignoring long line in tags file")); | |
| 1967 verbose_leave(); | |
| 1968 } | |
| 3206 | 1969 #ifdef FEAT_TAG_BINS |
| 1970 if (state != TS_LINEAR) | |
| 1971 { | |
| 1972 /* Avoid getting stuck. */ | |
| 1973 linear = TRUE; | |
| 1974 state = TS_LINEAR; | |
|
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1975 vim_fseek(fp, search_info.low_offset, SEEK_SET); |
| 3206 | 1976 } |
| 1977 #endif | |
| 3192 | 1978 continue; |
| 1979 } | |
| 1980 | |
| 1981 /* Corrupted tag line. */ | |
| 7 | 1982 line_error = TRUE; |
| 1983 break; | |
| 1984 } | |
| 1985 | |
| 1986 #ifdef FEAT_TAG_OLDSTATIC | |
| 1987 /* | |
| 1988 * Check for old style static tag: "file:tag file .." | |
| 1989 */ | |
| 1990 tagp.fname = NULL; | |
| 1991 for (p = lbuf; p < tagp.tagname_end; ++p) | |
| 1992 { | |
| 1993 if (*p == ':') | |
| 1994 { | |
| 1995 if (tagp.fname == NULL) | |
| 1996 #ifdef FEAT_TAG_ANYWHITE | |
| 1997 tagp.fname = skipwhite(tagp.tagname_end); | |
| 1998 #else | |
| 1999 tagp.fname = tagp.tagname_end + 1; | |
| 2000 #endif | |
| 2001 if ( fnamencmp(lbuf, tagp.fname, p - lbuf) == 0 | |
| 2002 #ifdef FEAT_TAG_ANYWHITE | |
| 2003 && vim_iswhite(tagp.fname[p - lbuf]) | |
| 2004 #else | |
| 2005 && tagp.fname[p - lbuf] == TAB | |
| 2006 #endif | |
| 2007 ) | |
| 2008 { | |
| 2009 /* found one */ | |
| 2010 tagp.tagname = p + 1; | |
| 2011 break; | |
| 2012 } | |
| 2013 } | |
| 2014 } | |
| 2015 #endif | |
| 2016 | |
| 2017 /* | |
| 2018 * Skip this line if the length of the tag is different and | |
| 2019 * there is no regexp, or the tag is too short. | |
| 2020 */ | |
| 2021 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2022 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2023 cmplen = p_tl; | |
| 3131 | 2024 if (has_re && orgpat.headlen < cmplen) |
| 2025 cmplen = orgpat.headlen; | |
| 2026 else if (state == TS_LINEAR && orgpat.headlen != cmplen) | |
| 7 | 2027 continue; |
| 2028 | |
| 2029 #ifdef FEAT_TAG_BINS | |
| 2030 if (state == TS_BINARY) | |
| 2031 { | |
| 2032 /* | |
| 2033 * Simplistic check for unsorted tags file. | |
| 2034 */ | |
| 2035 i = (int)tagp.tagname[0]; | |
| 2036 if (sortic) | |
| 2037 i = (int)TOUPPER_ASC(tagp.tagname[0]); | |
| 2038 if (i < search_info.low_char || i > search_info.high_char) | |
| 2039 sort_error = TRUE; | |
| 2040 | |
| 2041 /* | |
| 2042 * Compare the current tag with the searched tag. | |
| 2043 */ | |
| 2044 if (sortic) | |
| 3131 | 2045 tagcmp = tag_strnicmp(tagp.tagname, orgpat.head, |
| 7 | 2046 (size_t)cmplen); |
| 2047 else | |
| 3131 | 2048 tagcmp = STRNCMP(tagp.tagname, orgpat.head, cmplen); |
| 7 | 2049 |
| 2050 /* | |
| 2051 * A match with a shorter tag means to search forward. | |
| 2052 * A match with a longer tag means to search backward. | |
| 2053 */ | |
| 2054 if (tagcmp == 0) | |
| 2055 { | |
| 3131 | 2056 if (cmplen < orgpat.headlen) |
| 7 | 2057 tagcmp = -1; |
| 3131 | 2058 else if (cmplen > orgpat.headlen) |
| 7 | 2059 tagcmp = 1; |
| 2060 } | |
| 2061 | |
| 2062 if (tagcmp == 0) | |
| 2063 { | |
| 2064 /* We've located the tag, now skip back and search | |
| 2065 * forward until the first matching tag is found. | |
| 2066 */ | |
| 2067 state = TS_SKIP_BACK; | |
| 2068 search_info.match_offset = search_info.curr_offset; | |
| 2069 continue; | |
| 2070 } | |
| 2071 if (tagcmp < 0) | |
| 2072 { | |
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Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
2073 search_info.curr_offset = vim_ftell(fp); |
| 7 | 2074 if (search_info.curr_offset < search_info.high_offset) |
| 2075 { | |
| 2076 search_info.low_offset = search_info.curr_offset; | |
| 2077 if (sortic) | |
| 2078 search_info.low_char = | |
| 2079 TOUPPER_ASC(tagp.tagname[0]); | |
| 2080 else | |
| 2081 search_info.low_char = tagp.tagname[0]; | |
| 2082 continue; | |
| 2083 } | |
| 2084 } | |
| 2085 if (tagcmp > 0 | |
| 2086 && search_info.curr_offset != search_info.high_offset) | |
| 2087 { | |
| 2088 search_info.high_offset = search_info.curr_offset; | |
| 2089 if (sortic) | |
| 2090 search_info.high_char = | |
| 2091 TOUPPER_ASC(tagp.tagname[0]); | |
| 2092 else | |
| 2093 search_info.high_char = tagp.tagname[0]; | |
| 2094 continue; | |
| 2095 } | |
| 2096 | |
| 2097 /* No match yet and are at the end of the binary search. */ | |
| 2098 break; | |
| 2099 } | |
| 2100 else if (state == TS_SKIP_BACK) | |
| 2101 { | |
| 3131 | 2102 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2103 state = TS_STEP_FORWARD; |
| 2104 else | |
| 2105 /* Have to skip back more. Restore the curr_offset | |
| 2106 * used, otherwise we get stuck at a long line. */ | |
| 2107 search_info.curr_offset = search_info.curr_offset_used; | |
| 2108 continue; | |
| 2109 } | |
| 2110 else if (state == TS_STEP_FORWARD) | |
| 2111 { | |
| 3131 | 2112 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2113 { |
|
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commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
2114 if ((off_T)vim_ftell(fp) > search_info.match_offset) |
| 7 | 2115 break; /* past last match */ |
| 2116 else | |
| 2117 continue; /* before first match */ | |
| 2118 } | |
| 2119 } | |
| 2120 else | |
| 2121 #endif | |
| 2122 /* skip this match if it can't match */ | |
| 3131 | 2123 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2124 continue; |
| 2125 | |
| 2126 /* | |
| 2127 * Can be a matching tag, isolate the file name and command. | |
| 2128 */ | |
| 2129 #ifdef FEAT_TAG_OLDSTATIC | |
| 2130 if (tagp.fname == NULL) | |
| 2131 #endif | |
| 2132 #ifdef FEAT_TAG_ANYWHITE | |
| 2133 tagp.fname = skipwhite(tagp.tagname_end); | |
| 2134 #else | |
| 2135 tagp.fname = tagp.tagname_end + 1; | |
| 2136 #endif | |
| 2137 #ifdef FEAT_TAG_ANYWHITE | |
| 2138 tagp.fname_end = skiptowhite(tagp.fname); | |
| 2139 tagp.command = skipwhite(tagp.fname_end); | |
| 2140 if (*tagp.command == NUL) | |
| 2141 #else | |
| 2142 tagp.fname_end = vim_strchr(tagp.fname, TAB); | |
| 2143 tagp.command = tagp.fname_end + 1; | |
| 2144 if (tagp.fname_end == NULL) | |
| 2145 #endif | |
| 2146 i = FAIL; | |
| 2147 else | |
| 2148 i = OK; | |
| 2149 } | |
| 2150 else | |
| 2151 i = parse_tag_line(lbuf, | |
| 2152 #ifdef FEAT_EMACS_TAGS | |
| 2153 is_etag, | |
| 2154 #endif | |
| 2155 &tagp); | |
| 2156 if (i == FAIL) | |
| 2157 { | |
| 2158 line_error = TRUE; | |
| 2159 break; | |
| 2160 } | |
| 2161 | |
| 2162 #ifdef FEAT_EMACS_TAGS | |
| 2163 if (is_etag) | |
| 2164 tagp.fname = ebuf; | |
| 2165 #endif | |
| 2166 /* | |
| 2167 * First try matching with the pattern literally (also when it is | |
| 2168 * a regexp). | |
| 2169 */ | |
| 2170 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2171 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2172 cmplen = p_tl; | |
| 2173 /* if tag length does not match, don't try comparing */ | |
| 3131 | 2174 if (orgpat.len != cmplen) |
| 7 | 2175 match = FALSE; |
| 2176 else | |
| 2177 { | |
| 3131 | 2178 if (orgpat.regmatch.rm_ic) |
| 7 | 2179 { |
| 3131 | 2180 match = (MB_STRNICMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2181 if (match) |
| 3131 | 2182 match_no_ic = (STRNCMP(tagp.tagname, orgpat.pat, |
| 7 | 2183 cmplen) == 0); |
| 2184 } | |
| 2185 else | |
| 3131 | 2186 match = (STRNCMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2187 } |
| 2188 | |
| 2189 /* | |
| 2190 * Has a regexp: Also find tags matching regexp. | |
| 2191 */ | |
| 2192 match_re = FALSE; | |
| 3131 | 2193 if (!match && orgpat.regmatch.regprog != NULL) |
| 7 | 2194 { |
| 2195 int cc; | |
| 2196 | |
| 2197 cc = *tagp.tagname_end; | |
| 2198 *tagp.tagname_end = NUL; | |
| 3131 | 2199 match = vim_regexec(&orgpat.regmatch, tagp.tagname, (colnr_T)0); |
| 7 | 2200 if (match) |
| 2201 { | |
| 3131 | 2202 matchoff = (int)(orgpat.regmatch.startp[0] - tagp.tagname); |
| 2203 if (orgpat.regmatch.rm_ic) | |
| 7 | 2204 { |
| 3131 | 2205 orgpat.regmatch.rm_ic = FALSE; |
| 2206 match_no_ic = vim_regexec(&orgpat.regmatch, tagp.tagname, | |
| 7 | 2207 (colnr_T)0); |
| 3131 | 2208 orgpat.regmatch.rm_ic = TRUE; |
| 7 | 2209 } |
| 2210 } | |
| 2211 *tagp.tagname_end = cc; | |
| 2212 match_re = TRUE; | |
| 2213 } | |
| 2214 | |
| 2215 /* | |
|
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2216 * If a match is found, add it to ht_match[]. |
| 7 | 2217 */ |
| 2218 if (match) | |
| 2219 { | |
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2220 int len = 0; |
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2221 |
| 7 | 2222 #ifdef FEAT_CSCOPE |
| 2223 if (use_cscope) | |
| 2224 { | |
| 2225 /* Don't change the ordering, always use the same table. */ | |
| 2226 mtt = MT_GL_OTH; | |
| 2227 } | |
| 2228 else | |
| 2229 #endif | |
| 2230 { | |
| 2231 /* Decide in which array to store this match. */ | |
| 2232 is_current = test_for_current( | |
| 2233 #ifdef FEAT_EMACS_TAGS | |
| 2234 is_etag, | |
| 2235 #endif | |
| 2236 tagp.fname, tagp.fname_end, tag_fname, | |
| 2237 buf_ffname); | |
| 2238 #ifdef FEAT_EMACS_TAGS | |
| 2239 is_static = FALSE; | |
| 2240 if (!is_etag) /* emacs tags are never static */ | |
| 2241 #endif | |
| 2242 { | |
| 2243 #ifdef FEAT_TAG_OLDSTATIC | |
| 2244 if (tagp.tagname != lbuf) | |
| 2245 is_static = TRUE; /* detected static tag before */ | |
| 2246 else | |
| 2247 #endif | |
| 2248 is_static = test_for_static(&tagp); | |
| 2249 } | |
| 2250 | |
| 2251 /* decide in which of the sixteen tables to store this | |
| 2252 * match */ | |
| 2253 if (is_static) | |
| 2254 { | |
| 2255 if (is_current) | |
| 2256 mtt = MT_ST_CUR; | |
| 2257 else | |
| 2258 mtt = MT_ST_OTH; | |
| 2259 } | |
| 2260 else | |
| 2261 { | |
| 2262 if (is_current) | |
| 2263 mtt = MT_GL_CUR; | |
| 2264 else | |
| 2265 mtt = MT_GL_OTH; | |
| 2266 } | |
| 3131 | 2267 if (orgpat.regmatch.rm_ic && !match_no_ic) |
| 7 | 2268 mtt += MT_IC_OFF; |
| 2269 if (match_re) | |
| 2270 mtt += MT_RE_OFF; | |
| 2271 } | |
| 2272 | |
| 2273 /* | |
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2274 * Add the found match in ht_match[mtt]. |
| 7 | 2275 * Store the info we need later, which depends on the kind of |
| 2276 * tags we are dealing with. | |
| 2277 */ | |
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2278 if (help_only) |
| 7 | 2279 { |
| 2280 #ifdef FEAT_MULTI_LANG | |
| 2281 # define ML_EXTRA 3 | |
| 2282 #else | |
| 2283 # define ML_EXTRA 0 | |
| 2284 #endif | |
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2285 /* |
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2286 * Append the help-heuristic number after the tagname, for |
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2287 * sorting it later. The heuristic is ignored for |
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2288 * detecting duplicates. |
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2289 * The format is {tagname}@{lang}NUL{heuristic}NUL |
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2290 */ |
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2291 *tagp.tagname_end = NUL; |
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2292 len = (int)(tagp.tagname_end - tagp.tagname); |
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2293 mfp = (char_u *)alloc((int)sizeof(char_u) |
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2294 + len + 10 + ML_EXTRA + 1); |
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2295 if (mfp != NULL) |
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2296 { |
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2297 int heuristic; |
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2298 |
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2299 p = mfp; |
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2300 STRCPY(p, tagp.tagname); |
| 7 | 2301 #ifdef FEAT_MULTI_LANG |
|
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2302 p[len] = '@'; |
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2303 STRCPY(p + len + 1, help_lang); |
| 7 | 2304 #endif |
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2305 |
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2306 heuristic = help_heuristic(tagp.tagname, |
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2307 match_re ? matchoff : 0, !match_no_ic); |
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2308 #ifdef FEAT_MULTI_LANG |
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2309 heuristic += help_pri; |
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2310 #endif |
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2311 sprintf((char *)p + len + 1 + ML_EXTRA, "%06d", |
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2312 heuristic); |
| 7 | 2313 } |
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2314 *tagp.tagname_end = TAB; |
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2315 } |
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2316 else if (name_only) |
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2317 { |
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2318 if (get_it_again) |
| 7 | 2319 { |
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2320 char_u *temp_end = tagp.command; |
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2321 |
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2322 if (*temp_end == '/') |
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2323 while (*temp_end && *temp_end != '\r' |
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2324 && *temp_end != '\n' |
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2325 && *temp_end != '$') |
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2326 temp_end++; |
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2327 |
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2328 if (tagp.command + 2 < temp_end) |
| 7 | 2329 { |
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2330 len = (int)(temp_end - tagp.command - 2); |
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2331 mfp = (char_u *)alloc(len + 2); |
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2332 if (mfp != NULL) |
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2333 vim_strncpy(mfp, tagp.command + 2, len); |
| 7 | 2334 } |
| 2335 else | |
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2336 mfp = NULL; |
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2337 get_it_again = FALSE; |
| 7 | 2338 } |
| 2339 else | |
| 2340 { | |
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2341 len = (int)(tagp.tagname_end - tagp.tagname); |
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2342 mfp = (char_u *)alloc((int)sizeof(char_u) + len + 1); |
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2343 if (mfp != NULL) |
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2344 vim_strncpy(mfp, tagp.tagname, len); |
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2345 |
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2346 /* if wanted, re-read line to get long form too */ |
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2347 if (State & INSERT) |
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2348 get_it_again = p_sft; |
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2349 } |
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2350 } |
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2351 else |
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2352 { |
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diff
changeset
|
2353 #define TAG_SEP 0x01 |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2354 size_t tag_fname_len = STRLEN(tag_fname); |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2355 #ifdef FEAT_EMACS_TAGS |
|
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patch 8.0.0190: finding duplicate tags uses a slow linear search
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diff
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|
2356 size_t ebuf_len = 0; |
|
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parents:
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diff
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|
2357 #endif |
|
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parents:
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diff
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|
2358 |
|
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diff
changeset
|
2359 /* Save the tag in a buffer. |
|
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diff
changeset
|
2360 * Use 0x01 to separate fields (Can't use NUL, because the |
|
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diff
changeset
|
2361 * hash key is terminated by NUL). |
|
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diff
changeset
|
2362 * Emacs tag: <mtt><tag_fname><0x01><ebuf><0x01><lbuf><NUL> |
|
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parents:
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diff
changeset
|
2363 * other tag: <mtt><tag_fname><0x01><0x01><lbuf><NUL> |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2364 * without Emacs tags: <mtt><tag_fname><0x01><lbuf><NUL> |
|
10611
6bff81438f27
patch 8.0.0195: fail to jump to static tag in current file
Christian Brabandt <cb@256bit.org>
parents:
10601
diff
changeset
|
2365 * Here <mtt> is the "mtt" value plus 1 to avoid NUL. |
|
10601
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parents:
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diff
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|
2366 */ |
|
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diff
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|
2367 len = (int)tag_fname_len + (int)STRLEN(lbuf) + 3; |
|
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parents:
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diff
changeset
|
2368 #ifdef FEAT_EMACS_TAGS |
|
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diff
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|
2369 if (is_etag) |
|
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diff
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|
2370 { |
|
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diff
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|
2371 ebuf_len = STRLEN(ebuf); |
|
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parents:
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diff
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|
2372 len += (int)ebuf_len + 1; |
|
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parents:
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|
2373 } |
|
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diff
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|
2374 else |
|
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parents:
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diff
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|
2375 ++len; |
|
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diff
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|
2376 #endif |
|
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2377 mfp = (char_u *)alloc((int)sizeof(char_u) + len + 1); |
|
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diff
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|
2378 if (mfp != NULL) |
|
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diff
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|
2379 { |
|
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2380 p = mfp; |
|
10611
6bff81438f27
patch 8.0.0195: fail to jump to static tag in current file
Christian Brabandt <cb@256bit.org>
parents:
10601
diff
changeset
|
2381 p[0] = mtt + 1; |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2382 STRCPY(p + 1, tag_fname); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2383 #ifdef BACKSLASH_IN_FILENAME |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2384 /* Ignore differences in slashes, avoid adding |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2385 * both path/file and path\file. */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2386 slash_adjust(p + 1); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2387 #endif |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2388 p[tag_fname_len + 1] = TAG_SEP; |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2389 s = p + 1 + tag_fname_len + 1; |
| 7 | 2390 #ifdef FEAT_EMACS_TAGS |
| 2391 if (is_etag) | |
| 2392 { | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2393 STRCPY(s, ebuf); |
|
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2394 s[ebuf_len] = TAG_SEP; |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2395 s += ebuf_len + 1; |
| 7 | 2396 } |
| 2397 else | |
|
10601
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2398 *s++ = TAG_SEP; |
|
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parents:
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diff
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|
2399 #endif |
|
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2400 STRCPY(s, lbuf); |
| 7 | 2401 } |
| 2402 } | |
|
10601
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diff
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|
2403 |
|
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diff
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|
2404 if (mfp != NULL) |
| 7 | 2405 { |
|
10601
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diff
changeset
|
2406 hashitem_T *hi; |
|
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diff
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|
2407 |
|
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diff
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|
2408 /* |
|
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parents:
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diff
changeset
|
2409 * Don't add identical matches. |
|
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parents:
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diff
changeset
|
2410 * Add all cscope tags, because they are all listed. |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2411 * "mfp" is used as a hash key, there is a NUL byte to end |
|
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parents:
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diff
changeset
|
2412 * the part matters for comparing, more bytes may follow |
|
1b09db809d3f
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parents:
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diff
changeset
|
2413 * after it. E.g. help tags store the priority after the |
|
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Christian Brabandt <cb@256bit.org>
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diff
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|
2414 * NUL. |
|
1b09db809d3f
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diff
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|
2415 */ |
|
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diff
changeset
|
2416 #ifdef FEAT_CSCOPE |
|
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parents:
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diff
changeset
|
2417 if (use_cscope) |
|
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diff
changeset
|
2418 hash++; |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2419 else |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2420 #endif |
|
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2421 hash = hash_hash(mfp); |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2422 hi = hash_lookup(&ht_match[mtt], mfp, hash); |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2423 if (HASHITEM_EMPTY(hi)) |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2424 { |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2425 if (hash_add_item(&ht_match[mtt], hi, mfp, hash) |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2426 == FAIL) |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2427 { |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2428 /* Out of memory! Just forget about the rest. */ |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2429 retval = OK; |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2430 stop_searching = TRUE; |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2431 break; |
|
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parents:
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diff
changeset
|
2432 } |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2433 else |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2434 ++match_count; |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2435 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
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parents:
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diff
changeset
|
2436 else |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2437 /* duplicate tag, drop it */ |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2438 vim_free(mfp); |
| 7 | 2439 } |
| 2440 } | |
| 2441 #ifdef FEAT_CSCOPE | |
| 2442 if (use_cscope && eof) | |
| 2443 break; | |
| 2444 #endif | |
| 2445 } /* forever */ | |
| 2446 | |
| 2447 if (line_error) | |
| 2448 { | |
| 2449 EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname); | |
| 2450 #ifdef FEAT_CSCOPE | |
| 2451 if (!use_cscope) | |
| 2452 #endif | |
|
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
2453 EMSGN(_("Before byte %ld"), (long)vim_ftell(fp)); |
| 7 | 2454 stop_searching = TRUE; |
| 2455 line_error = FALSE; | |
| 2456 } | |
| 2457 | |
| 2458 #ifdef FEAT_CSCOPE | |
| 2459 if (!use_cscope) | |
| 2460 #endif | |
| 2461 fclose(fp); | |
| 2462 #ifdef FEAT_EMACS_TAGS | |
| 2463 while (incstack_idx) | |
| 2464 { | |
| 2465 --incstack_idx; | |
| 2466 fclose(incstack[incstack_idx].fp); | |
| 2467 vim_free(incstack[incstack_idx].etag_fname); | |
| 2468 } | |
| 2469 #endif | |
| 2470 #ifdef FEAT_MBYTE | |
| 2471 if (vimconv.vc_type != CONV_NONE) | |
| 2472 convert_setup(&vimconv, NULL, NULL); | |
| 2473 #endif | |
| 2474 | |
| 2475 #ifdef FEAT_TAG_BINS | |
| 3131 | 2476 tag_file_sorted = NUL; |
| 7 | 2477 if (sort_error) |
| 2478 { | |
| 2479 EMSG2(_("E432: Tags file not sorted: %s"), tag_fname); | |
| 2480 sort_error = FALSE; | |
| 2481 } | |
| 2482 #endif | |
| 2483 | |
| 2484 /* | |
| 2485 * Stop searching if sufficient tags have been found. | |
| 2486 */ | |
| 2487 if (match_count >= mincount) | |
| 2488 { | |
| 2489 retval = OK; | |
| 2490 stop_searching = TRUE; | |
| 2491 } | |
| 2492 | |
| 2493 #ifdef FEAT_CSCOPE | |
| 2494 if (stop_searching || use_cscope) | |
| 2495 #else | |
| 2496 if (stop_searching) | |
| 2497 #endif | |
| 2498 break; | |
| 2499 | |
| 2500 } /* end of for-each-file loop */ | |
| 2501 | |
| 692 | 2502 #ifdef FEAT_CSCOPE |
| 2503 if (!use_cscope) | |
| 2504 #endif | |
| 2505 tagname_free(&tn); | |
| 2506 | |
| 7 | 2507 #ifdef FEAT_TAG_BINS |
| 413 | 2508 /* stop searching when already did a linear search, or when TAG_NOIC |
| 2509 * used, and 'ignorecase' not set or already did case-ignore search */ | |
| 3131 | 2510 if (stop_searching || linear || (!p_ic && noic) || orgpat.regmatch.rm_ic) |
| 7 | 2511 break; |
| 2512 # ifdef FEAT_CSCOPE | |
| 2513 if (use_cscope) | |
| 2514 break; | |
| 2515 # endif | |
| 3131 | 2516 orgpat.regmatch.rm_ic = TRUE; /* try another time while ignoring case */ |
| 7 | 2517 } |
| 2518 #endif | |
| 2519 | |
| 2520 if (!stop_searching) | |
| 2521 { | |
| 2522 if (!did_open && verbose) /* never opened any tags file */ | |
| 2523 EMSG(_("E433: No tags file")); | |
| 2524 retval = OK; /* It's OK even when no tag found */ | |
| 2525 } | |
| 2526 | |
| 2527 findtag_end: | |
| 2528 vim_free(lbuf); | |
|
4805
66803af09906
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Bram Moolenaar <bram@vim.org>
parents:
3804
diff
changeset
|
2529 vim_regfree(orgpat.regmatch.regprog); |
| 7 | 2530 vim_free(tag_fname); |
| 2531 #ifdef FEAT_EMACS_TAGS | |
| 2532 vim_free(ebuf); | |
| 2533 #endif | |
| 2534 | |
| 2535 /* | |
|
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2536 * Move the matches from the ht_match[] arrays into one list of |
| 7 | 2537 * matches. When retval == FAIL, free the matches. |
| 2538 */ | |
| 2539 if (retval == FAIL) | |
| 2540 match_count = 0; | |
| 2541 | |
| 2542 if (match_count > 0) | |
| 2543 matches = (char_u **)lalloc((long_u)(match_count * sizeof(char_u *)), | |
| 2544 TRUE); | |
| 2545 else | |
| 2546 matches = NULL; | |
| 2547 match_count = 0; | |
| 2548 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 2549 { | |
|
10601
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diff
changeset
|
2550 hashitem_T *hi; |
|
1b09db809d3f
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parents:
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diff
changeset
|
2551 long_u todo; |
|
1b09db809d3f
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parents:
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diff
changeset
|
2552 |
|
1b09db809d3f
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parents:
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diff
changeset
|
2553 todo = (long)ht_match[mtt].ht_used; |
|
1b09db809d3f
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Christian Brabandt <cb@256bit.org>
parents:
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|
2554 for (hi = ht_match[mtt].ht_array; todo > 0; ++hi) |
| 7 | 2555 { |
|
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2556 if (!HASHITEM_EMPTY(hi)) |
| 7 | 2557 { |
|
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2558 mfp = hi->hi_key; |
|
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2559 if (matches == NULL) |
|
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2560 vim_free(mfp); |
|
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2561 else |
|
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2562 { |
|
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2563 if (!name_only) |
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2564 { |
|
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2565 /* Change mtt back to zero-based. */ |
|
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2566 *mfp = *mfp - 1; |
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2567 |
|
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2568 /* change the TAG_SEP back to NUL */ |
|
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2569 for (p = mfp + 1; *p != NUL; ++p) |
|
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2570 if (*p == TAG_SEP) |
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2571 *p = NUL; |
|
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2572 } |
|
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2573 matches[match_count++] = (char_u *)mfp; |
|
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2574 } |
|
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|
2575 todo--; |
| 7 | 2576 } |
| 2577 } | |
|
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|
2578 hash_clear(&ht_match[mtt]); |
| 7 | 2579 } |
| 2580 | |
| 2581 *matchesp = matches; | |
| 2582 *num_matches = match_count; | |
| 2583 | |
| 2584 curbuf->b_help = help_save; | |
| 2585 #ifdef FEAT_MULTI_LANG | |
| 2586 vim_free(saved_pat); | |
| 2587 #endif | |
| 2588 | |
|
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|
2589 p_ic = save_p_ic; |
|
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2590 |
| 7 | 2591 return retval; |
| 2592 } | |
| 2593 | |
| 2594 static garray_T tag_fnames = GA_EMPTY; | |
|
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|
2595 static void found_tagfile_cb(char_u *fname, void *cookie); |
| 7 | 2596 |
| 2597 /* | |
| 2598 * Callback function for finding all "tags" and "tags-??" files in | |
| 2599 * 'runtimepath' doc directories. | |
| 2600 */ | |
| 2601 static void | |
|
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|
2602 found_tagfile_cb(char_u *fname, void *cookie UNUSED) |
| 7 | 2603 { |
| 2604 if (ga_grow(&tag_fnames, 1) == OK) | |
| 2605 ((char_u **)(tag_fnames.ga_data))[tag_fnames.ga_len++] = | |
| 2606 vim_strsave(fname); | |
| 2607 } | |
| 2608 | |
| 359 | 2609 #if defined(EXITFREE) || defined(PROTO) |
| 2610 void | |
|
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|
2611 free_tag_stuff(void) |
| 359 | 2612 { |
| 692 | 2613 ga_clear_strings(&tag_fnames); |
| 359 | 2614 do_tag(NULL, DT_FREE, 0, 0, 0); |
| 1818 | 2615 tag_freematch(); |
| 2616 | |
| 2617 # if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2618 if (ptag_entry.tagname) | |
| 2619 { | |
|
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2620 vim_free(ptag_entry.tagname); |
|
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|
2621 ptag_entry.tagname = NULL; |
| 1818 | 2622 } |
| 2623 # endif | |
| 359 | 2624 } |
| 2625 #endif | |
| 2626 | |
| 7 | 2627 /* |
| 2628 * Get the next name of a tag file from the tag file list. | |
| 2629 * For help files, use "tags" file only. | |
| 2630 * | |
| 2631 * Return FAIL if no more tag file names, OK otherwise. | |
| 2632 */ | |
| 514 | 2633 int |
|
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|
2634 get_tagfname( |
|
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|
2635 tagname_T *tnp, /* holds status info */ |
|
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|
2636 int first, /* TRUE when first file name is wanted */ |
|
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changeset
|
2637 char_u *buf) /* pointer to buffer of MAXPATHL chars */ |
| 7 | 2638 { |
| 2639 char_u *fname = NULL; | |
| 2640 char_u *r_ptr; | |
| 2641 | |
| 692 | 2642 if (first) |
| 2643 vim_memset(tnp, 0, sizeof(tagname_T)); | |
| 2644 | |
| 514 | 2645 if (curbuf->b_help) |
| 7 | 2646 { |
| 514 | 2647 /* |
| 2648 * For help files it's done in a completely different way: | |
| 2649 * Find "doc/tags" and "doc/tags-??" in all directories in | |
| 2650 * 'runtimepath'. | |
| 2651 */ | |
| 2652 if (first) | |
| 7 | 2653 { |
| 2654 ga_clear_strings(&tag_fnames); | |
| 2655 ga_init2(&tag_fnames, (int)sizeof(char_u *), 10); | |
| 2656 do_in_runtimepath((char_u *) | |
| 2657 #ifdef FEAT_MULTI_LANG | |
| 36 | 2658 # ifdef VMS |
| 2659 /* Functions decc$to_vms() and decc$translate_vms() crash | |
| 2660 * on some VMS systems with wildcards "??". Seems ECO | |
| 2661 * patches do fix the problem in C RTL, but we can't use | |
| 2662 * an #ifdef for that. */ | |
| 2663 "doc/tags doc/tags-*" | |
| 2664 # else | |
| 7 | 2665 "doc/tags doc/tags-??" |
| 36 | 2666 # endif |
| 7 | 2667 #else |
| 2668 "doc/tags" | |
| 2669 #endif | |
|
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|
2670 , DIP_ALL, found_tagfile_cb, NULL); |
| 7 | 2671 } |
| 602 | 2672 |
| 692 | 2673 if (tnp->tn_hf_idx >= tag_fnames.ga_len) |
| 7 | 2674 { |
| 2675 /* Not found in 'runtimepath', use 'helpfile', if it exists and | |
| 2676 * wasn't used yet, replacing "help.txt" with "tags". */ | |
| 692 | 2677 if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) |
| 7 | 2678 return FAIL; |
| 692 | 2679 ++tnp->tn_hf_idx; |
| 7 | 2680 STRCPY(buf, p_hf); |
| 2681 STRCPY(gettail(buf), "tags"); | |
| 2682 } | |
| 2683 else | |
| 692 | 2684 vim_strncpy(buf, ((char_u **)(tag_fnames.ga_data))[ |
| 2685 tnp->tn_hf_idx++], MAXPATHL - 1); | |
| 514 | 2686 return OK; |
| 2687 } | |
| 2688 | |
| 2689 if (first) | |
| 2690 { | |
| 692 | 2691 /* Init. We make a copy of 'tags', because autocommands may change |
| 2692 * the value without notifying us. */ | |
| 2693 tnp->tn_tags = vim_strsave((*curbuf->b_p_tags != NUL) | |
| 2694 ? curbuf->b_p_tags : p_tags); | |
| 2695 if (tnp->tn_tags == NULL) | |
| 2696 return FAIL; | |
| 2697 tnp->tn_np = tnp->tn_tags; | |
| 7 | 2698 } |
| 692 | 2699 |
| 2700 /* | |
| 2701 * Loop until we have found a file name that can be used. | |
| 2702 * There are two states: | |
| 2703 * tnp->tn_did_filefind_init == FALSE: setup for next part in 'tags'. | |
| 2704 * tnp->tn_did_filefind_init == TRUE: find next file in this part. | |
| 2705 */ | |
| 2706 for (;;) | |
| 7 | 2707 { |
| 692 | 2708 if (tnp->tn_did_filefind_init) |
| 7 | 2709 { |
| 692 | 2710 fname = vim_findfile(tnp->tn_search_ctx); |
| 2711 if (fname != NULL) | |
| 2712 break; | |
| 2713 | |
| 2714 tnp->tn_did_filefind_init = FALSE; | |
| 2715 } | |
| 2716 else | |
| 2717 { | |
| 2718 char_u *filename = NULL; | |
| 2719 | |
| 2720 /* Stop when used all parts of 'tags'. */ | |
| 2721 if (*tnp->tn_np == NUL) | |
| 7 | 2722 { |
| 692 | 2723 vim_findfile_cleanup(tnp->tn_search_ctx); |
| 2724 tnp->tn_search_ctx = NULL; | |
| 2725 return FAIL; | |
| 7 | 2726 } |
| 692 | 2727 |
| 2728 /* | |
| 2729 * Copy next file name into buf. | |
| 2730 */ | |
| 2731 buf[0] = NUL; | |
| 2732 (void)copy_option_part(&tnp->tn_np, buf, MAXPATHL - 1, " ,"); | |
| 7 | 2733 |
| 2734 #ifdef FEAT_PATH_EXTRA | |
| 692 | 2735 r_ptr = vim_findfile_stopdir(buf); |
| 7 | 2736 #else |
| 692 | 2737 r_ptr = NULL; |
| 7 | 2738 #endif |
| 692 | 2739 /* move the filename one char forward and truncate the |
| 2740 * filepath with a NUL */ | |
| 2741 filename = gettail(buf); | |
| 1620 | 2742 STRMOVE(filename + 1, filename); |
| 692 | 2743 *filename++ = NUL; |
| 2744 | |
| 2745 tnp->tn_search_ctx = vim_findfile_init(buf, filename, | |
| 2746 r_ptr, 100, | |
|
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2747 FALSE, /* don't free visited list */ |
| 1541 | 2748 FINDFILE_FILE, /* we search for a file */ |
| 692 | 2749 tnp->tn_search_ctx, TRUE, curbuf->b_ffname); |
| 2750 if (tnp->tn_search_ctx != NULL) | |
| 2751 tnp->tn_did_filefind_init = TRUE; | |
| 7 | 2752 } |
| 2753 } | |
| 2754 | |
| 692 | 2755 STRCPY(buf, fname); |
| 2756 vim_free(fname); | |
| 7 | 2757 return OK; |
| 2758 } | |
| 2759 | |
| 2760 /* | |
| 692 | 2761 * Free the contents of a tagname_T that was filled by get_tagfname(). |
| 2762 */ | |
| 2763 void | |
|
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|
2764 tagname_free(tagname_T *tnp) |
| 692 | 2765 { |
| 2766 vim_free(tnp->tn_tags); | |
| 2767 vim_findfile_cleanup(tnp->tn_search_ctx); | |
| 1541 | 2768 tnp->tn_search_ctx = NULL; |
| 692 | 2769 ga_clear_strings(&tag_fnames); |
| 2770 } | |
| 2771 | |
| 2772 /* | |
| 7 | 2773 * Parse one line from the tags file. Find start/end of tag name, start/end of |
| 2774 * file name and start of search pattern. | |
| 2775 * | |
| 2776 * If is_etag is TRUE, tagp->fname and tagp->fname_end are not set. | |
| 2777 * | |
| 2778 * Return FAIL if there is a format error in this line, OK otherwise. | |
| 2779 */ | |
| 2780 static int | |
|
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|
2781 parse_tag_line( |
|
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|
2782 char_u *lbuf, /* line to be parsed */ |
| 7 | 2783 #ifdef FEAT_EMACS_TAGS |
|
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|
2784 int is_etag, |
| 7 | 2785 #endif |
|
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|
2786 tagptrs_T *tagp) |
| 7 | 2787 { |
| 2788 char_u *p; | |
| 2789 | |
| 2790 #ifdef FEAT_EMACS_TAGS | |
| 2791 char_u *p_7f; | |
| 2792 | |
| 2793 if (is_etag) | |
| 2794 { | |
| 2795 /* | |
| 2796 * There are two formats for an emacs tag line: | |
| 2797 * 1: struct EnvBase ^?EnvBase^A139,4627 | |
| 2798 * 2: #define ARPB_WILD_WORLD ^?153,5194 | |
| 2799 */ | |
| 2800 p_7f = vim_strchr(lbuf, 0x7f); | |
| 2801 if (p_7f == NULL) | |
| 1770 | 2802 { |
| 2803 etag_fail: | |
| 2804 if (vim_strchr(lbuf, '\n') == NULL) | |
| 2805 { | |
| 2806 /* Truncated line. Ignore it. */ | |
| 2807 if (p_verbose >= 5) | |
| 2808 { | |
| 2809 verbose_enter(); | |
| 2810 MSG(_("Ignoring long line in tags file")); | |
| 2811 verbose_leave(); | |
| 2812 } | |
| 2813 tagp->command = lbuf; | |
| 2814 tagp->tagname = lbuf; | |
| 2815 tagp->tagname_end = lbuf; | |
| 2816 return OK; | |
| 2817 } | |
| 7 | 2818 return FAIL; |
| 1770 | 2819 } |
| 7 | 2820 |
| 2821 /* Find ^A. If not found the line number is after the 0x7f */ | |
| 2822 p = vim_strchr(p_7f, Ctrl_A); | |
| 2823 if (p == NULL) | |
| 2824 p = p_7f + 1; | |
| 2825 else | |
| 2826 ++p; | |
| 2827 | |
| 2828 if (!VIM_ISDIGIT(*p)) /* check for start of line number */ | |
| 1770 | 2829 goto etag_fail; |
| 7 | 2830 tagp->command = p; |
| 2831 | |
| 2832 | |
| 2833 if (p[-1] == Ctrl_A) /* first format: explicit tagname given */ | |
| 2834 { | |
| 2835 tagp->tagname = p_7f + 1; | |
| 2836 tagp->tagname_end = p - 1; | |
| 2837 } | |
| 2838 else /* second format: isolate tagname */ | |
| 2839 { | |
| 2840 /* find end of tagname */ | |
| 2841 for (p = p_7f - 1; !vim_iswordc(*p); --p) | |
| 2842 if (p == lbuf) | |
| 1770 | 2843 goto etag_fail; |
| 7 | 2844 tagp->tagname_end = p + 1; |
| 2845 while (p >= lbuf && vim_iswordc(*p)) | |
| 2846 --p; | |
| 2847 tagp->tagname = p + 1; | |
| 2848 } | |
| 2849 } | |
| 2850 else /* not an Emacs tag */ | |
| 2851 { | |
| 2852 #endif | |
| 2853 /* Isolate the tagname, from lbuf up to the first white */ | |
| 2854 tagp->tagname = lbuf; | |
| 2855 #ifdef FEAT_TAG_ANYWHITE | |
| 2856 p = skiptowhite(lbuf); | |
| 2857 #else | |
| 2858 p = vim_strchr(lbuf, TAB); | |
| 2859 if (p == NULL) | |
| 2860 return FAIL; | |
| 2861 #endif | |
| 2862 tagp->tagname_end = p; | |
| 2863 | |
| 2864 /* Isolate file name, from first to second white space */ | |
| 2865 #ifdef FEAT_TAG_ANYWHITE | |
| 2866 p = skipwhite(p); | |
| 2867 #else | |
| 2868 if (*p != NUL) | |
| 2869 ++p; | |
| 2870 #endif | |
| 2871 tagp->fname = p; | |
| 2872 #ifdef FEAT_TAG_ANYWHITE | |
| 2873 p = skiptowhite(p); | |
| 2874 #else | |
| 2875 p = vim_strchr(p, TAB); | |
| 2876 if (p == NULL) | |
| 2877 return FAIL; | |
| 2878 #endif | |
| 2879 tagp->fname_end = p; | |
| 2880 | |
| 2881 /* find start of search command, after second white space */ | |
| 2882 #ifdef FEAT_TAG_ANYWHITE | |
| 2883 p = skipwhite(p); | |
| 2884 #else | |
| 2885 if (*p != NUL) | |
| 2886 ++p; | |
| 2887 #endif | |
| 2888 if (*p == NUL) | |
| 2889 return FAIL; | |
| 2890 tagp->command = p; | |
| 2891 #ifdef FEAT_EMACS_TAGS | |
| 2892 } | |
| 2893 #endif | |
| 2894 | |
| 2895 return OK; | |
| 2896 } | |
| 2897 | |
| 2898 /* | |
| 2899 * Check if tagname is a static tag | |
| 2900 * | |
| 2901 * Static tags produced by the older ctags program have the format: | |
| 2902 * 'file:tag file /pattern'. | |
| 1204 | 2903 * This is only recognized when both occurrence of 'file' are the same, to |
| 7 | 2904 * avoid recognizing "string::string" or ":exit". |
| 2905 * | |
| 2906 * Static tags produced by the new ctags program have the format: | |
| 2907 * 'tag file /pattern/;"<Tab>file:' " | |
| 2908 * | |
| 2909 * Return TRUE if it is a static tag and adjust *tagname to the real tag. | |
| 2910 * Return FALSE if it is not a static tag. | |
| 2911 */ | |
| 2912 static int | |
|
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2913 test_for_static(tagptrs_T *tagp) |
| 7 | 2914 { |
| 2915 char_u *p; | |
| 2916 | |
| 2917 #ifdef FEAT_TAG_OLDSTATIC | |
| 2918 int len; | |
| 2919 | |
| 2920 /* | |
| 2921 * Check for old style static tag: "file:tag file .." | |
| 2922 */ | |
| 2923 len = (int)(tagp->fname_end - tagp->fname); | |
| 2924 p = tagp->tagname + len; | |
| 2925 if ( p < tagp->tagname_end | |
| 2926 && *p == ':' | |
| 2927 && fnamencmp(tagp->tagname, tagp->fname, len) == 0) | |
| 2928 { | |
| 2929 tagp->tagname = p + 1; | |
| 2930 return TRUE; | |
| 2931 } | |
| 2932 #endif | |
| 2933 | |
| 2934 /* | |
| 2935 * Check for new style static tag ":...<Tab>file:[<Tab>...]" | |
| 2936 */ | |
| 2937 p = tagp->command; | |
| 2938 while ((p = vim_strchr(p, '\t')) != NULL) | |
| 2939 { | |
| 2940 ++p; | |
| 2941 if (STRNCMP(p, "file:", 5) == 0) | |
| 2942 return TRUE; | |
| 2943 } | |
| 2944 | |
| 2945 return FALSE; | |
| 2946 } | |
| 2947 | |
| 2948 /* | |
| 2949 * Parse a line from a matching tag. Does not change the line itself. | |
| 2950 * | |
| 2951 * The line that we get looks like this: | |
| 2952 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2953 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2954 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2955 * | |
| 2956 * Return OK or FAIL. | |
| 2957 */ | |
| 2958 static int | |
|
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parents:
7805
diff
changeset
|
2959 parse_match( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2960 char_u *lbuf, /* input: matching line */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2961 tagptrs_T *tagp) /* output: pointers into the line */ |
| 7 | 2962 { |
| 2963 int retval; | |
| 2964 char_u *p; | |
| 2965 char_u *pc, *pt; | |
| 2966 | |
| 2967 tagp->tag_fname = lbuf + 1; | |
| 2968 lbuf += STRLEN(tagp->tag_fname) + 2; | |
| 2969 #ifdef FEAT_EMACS_TAGS | |
| 2970 if (*lbuf) | |
| 2971 { | |
| 2972 tagp->is_etag = TRUE; | |
| 2973 tagp->fname = lbuf; | |
| 2974 lbuf += STRLEN(lbuf); | |
| 2975 tagp->fname_end = lbuf++; | |
| 2976 } | |
| 2977 else | |
| 2978 { | |
| 2979 tagp->is_etag = FALSE; | |
| 2980 ++lbuf; | |
| 2981 } | |
| 2982 #endif | |
| 2983 | |
| 2984 /* Find search pattern and the file name for non-etags. */ | |
| 2985 retval = parse_tag_line(lbuf, | |
| 2986 #ifdef FEAT_EMACS_TAGS | |
| 2987 tagp->is_etag, | |
| 2988 #endif | |
| 2989 tagp); | |
| 2990 | |
| 2991 tagp->tagkind = NULL; | |
| 2992 tagp->command_end = NULL; | |
| 2993 | |
| 2994 if (retval == OK) | |
| 2995 { | |
| 2996 /* Try to find a kind field: "kind:<kind>" or just "<kind>"*/ | |
| 2997 p = tagp->command; | |
| 2998 if (find_extra(&p) == OK) | |
| 2999 { | |
| 3000 tagp->command_end = p; | |
| 3001 p += 2; /* skip ";\"" */ | |
| 3002 if (*p++ == TAB) | |
| 3003 while (ASCII_ISALPHA(*p)) | |
| 3004 { | |
| 3005 if (STRNCMP(p, "kind:", 5) == 0) | |
| 3006 { | |
| 3007 tagp->tagkind = p + 5; | |
| 3008 break; | |
| 3009 } | |
| 3010 pc = vim_strchr(p, ':'); | |
| 3011 pt = vim_strchr(p, '\t'); | |
| 3012 if (pc == NULL || (pt != NULL && pc > pt)) | |
| 3013 { | |
| 3014 tagp->tagkind = p; | |
| 3015 break; | |
| 3016 } | |
| 3017 if (pt == NULL) | |
| 3018 break; | |
| 3019 p = pt + 1; | |
| 3020 } | |
| 3021 } | |
| 3022 if (tagp->tagkind != NULL) | |
| 3023 { | |
| 3024 for (p = tagp->tagkind; | |
| 3025 *p && *p != '\t' && *p != '\r' && *p != '\n'; ++p) | |
| 3026 ; | |
| 3027 tagp->tagkind_end = p; | |
| 3028 } | |
| 3029 } | |
| 3030 return retval; | |
| 3031 } | |
| 3032 | |
| 3033 /* | |
| 3034 * Find out the actual file name of a tag. Concatenate the tags file name | |
| 3035 * with the matching tag file name. | |
| 3036 * Returns an allocated string or NULL (out of memory). | |
| 3037 */ | |
| 3038 static char_u * | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3039 tag_full_fname(tagptrs_T *tagp) |
| 7 | 3040 { |
| 3041 char_u *fullname; | |
| 3042 int c; | |
| 3043 | |
| 3044 #ifdef FEAT_EMACS_TAGS | |
| 3045 if (tagp->is_etag) | |
| 3046 c = 0; /* to shut up GCC */ | |
| 3047 else | |
| 3048 #endif | |
| 3049 { | |
| 3050 c = *tagp->fname_end; | |
| 3051 *tagp->fname_end = NUL; | |
| 3052 } | |
| 3053 fullname = expand_tag_fname(tagp->fname, tagp->tag_fname, FALSE); | |
| 3054 | |
| 3055 #ifdef FEAT_EMACS_TAGS | |
| 3056 if (!tagp->is_etag) | |
| 3057 #endif | |
| 3058 *tagp->fname_end = c; | |
| 3059 | |
| 3060 return fullname; | |
| 3061 } | |
| 3062 | |
| 3063 /* | |
| 3064 * Jump to a tag that has been found in one of the tag files | |
| 3065 * | |
| 3066 * returns OK for success, NOTAGFILE when file not found, FAIL otherwise. | |
| 3067 */ | |
| 3068 static int | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3069 jumpto_tag( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3070 char_u *lbuf, /* line from the tags file for this tag */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3071 int forceit, /* :ta with ! */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3072 int keep_help) /* keep help flag (FALSE for cscope) */ |
| 7 | 3073 { |
| 3074 int save_secure; | |
| 3075 int save_magic; | |
| 3076 int save_p_ws, save_p_scs, save_p_ic; | |
| 3077 linenr_T save_lnum; | |
| 3078 int csave = 0; | |
| 3079 char_u *str; | |
| 3080 char_u *pbuf; /* search pattern buffer */ | |
| 3081 char_u *pbuf_end; | |
| 3082 char_u *tofree_fname = NULL; | |
| 3083 char_u *fname; | |
| 3084 tagptrs_T tagp; | |
| 3085 int retval = FAIL; | |
| 3086 int getfile_result; | |
| 3087 int search_options; | |
| 3088 #ifdef FEAT_SEARCH_EXTRA | |
| 3089 int save_no_hlsearch; | |
| 3090 #endif | |
| 3091 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3092 win_T *curwin_save = NULL; | |
| 3093 #endif | |
| 3094 char_u *full_fname = NULL; | |
| 3095 #ifdef FEAT_FOLDING | |
| 3096 int old_KeyTyped = KeyTyped; /* getting the file may reset it */ | |
| 3097 #endif | |
| 3098 | |
| 3099 pbuf = alloc(LSIZE); | |
| 3100 | |
| 3101 /* parse the match line into the tagp structure */ | |
| 3102 if (pbuf == NULL || parse_match(lbuf, &tagp) == FAIL) | |
| 3103 { | |
| 3104 tagp.fname_end = NULL; | |
| 3105 goto erret; | |
| 3106 } | |
| 3107 | |
| 3108 /* truncate the file name, so it can be used as a string */ | |
| 3109 csave = *tagp.fname_end; | |
| 3110 *tagp.fname_end = NUL; | |
| 3111 fname = tagp.fname; | |
| 3112 | |
| 3113 /* copy the command to pbuf[], remove trailing CR/NL */ | |
| 3114 str = tagp.command; | |
| 3115 for (pbuf_end = pbuf; *str && *str != '\n' && *str != '\r'; ) | |
| 3116 { | |
| 3117 #ifdef FEAT_EMACS_TAGS | |
| 3118 if (tagp.is_etag && *str == ',')/* stop at ',' after line number */ | |
| 3119 break; | |
| 3120 #endif | |
| 3121 *pbuf_end++ = *str++; | |
| 3122 } | |
| 3123 *pbuf_end = NUL; | |
| 3124 | |
| 3125 #ifdef FEAT_EMACS_TAGS | |
| 3126 if (!tagp.is_etag) | |
| 3127 #endif | |
| 3128 { | |
| 3129 /* | |
| 3130 * Remove the "<Tab>fieldname:value" stuff; we don't need it here. | |
| 3131 */ | |
| 3132 str = pbuf; | |
| 3133 if (find_extra(&str) == OK) | |
| 3134 { | |
| 3135 pbuf_end = str; | |
| 3136 *pbuf_end = NUL; | |
| 3137 } | |
| 3138 } | |
| 3139 | |
| 3140 /* | |
| 3141 * Expand file name, when needed (for environment variables). | |
| 3142 * If 'tagrelative' option set, may change file name. | |
| 3143 */ | |
| 3144 fname = expand_tag_fname(fname, tagp.tag_fname, TRUE); | |
| 3145 if (fname == NULL) | |
| 3146 goto erret; | |
| 3147 tofree_fname = fname; /* free() it later */ | |
| 3148 | |
| 3149 /* | |
| 3150 * Check if the file with the tag exists before abandoning the current | |
| 3151 * file. Also accept a file name for which there is a matching BufReadCmd | |
| 3152 * autocommand event (e.g., http://sys/file). | |
| 3153 */ | |
| 3154 if (mch_getperm(fname) < 0 | |
| 3155 #ifdef FEAT_AUTOCMD | |
| 40 | 3156 && !has_autocmd(EVENT_BUFREADCMD, fname, NULL) |
| 7 | 3157 #endif |
| 3158 ) | |
| 3159 { | |
| 3160 retval = NOTAGFILE; | |
| 3161 vim_free(nofile_fname); | |
| 3162 nofile_fname = vim_strsave(fname); | |
| 3163 if (nofile_fname == NULL) | |
| 3164 nofile_fname = empty_option; | |
| 3165 goto erret; | |
| 3166 } | |
| 3167 | |
| 3168 ++RedrawingDisabled; | |
| 3169 | |
| 3170 #ifdef FEAT_GUI | |
| 3171 need_mouse_correct = TRUE; | |
| 3172 #endif | |
| 3173 | |
| 3174 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3175 if (g_do_tagpreview != 0) |
| 7 | 3176 { |
| 728 | 3177 postponed_split = 0; /* don't split again below */ |
| 3178 curwin_save = curwin; /* Save current window */ | |
| 3179 | |
| 7 | 3180 /* |
| 3181 * If we are reusing a window, we may change dir when | |
| 3182 * entering it (autocommands) so turn the tag filename | |
| 3183 * into a fullpath | |
| 3184 */ | |
| 3185 if (!curwin->w_p_pvw) | |
| 3186 { | |
| 3187 full_fname = FullName_save(fname, FALSE); | |
| 3188 fname = full_fname; | |
| 3189 | |
| 3190 /* | |
| 3191 * Make the preview window the current window. | |
| 3192 * Open a preview window when needed. | |
| 3193 */ | |
| 816 | 3194 prepare_tagpreview(TRUE); |
| 7 | 3195 } |
| 3196 } | |
| 3197 | |
| 682 | 3198 /* If it was a CTRL-W CTRL-] command split window now. For ":tab tag" |
| 3199 * open a new tab page. */ | |
| 3200 if (postponed_split || cmdmod.tab != 0) | |
| 7 | 3201 { |
| 3202 win_split(postponed_split > 0 ? postponed_split : 0, | |
| 3203 postponed_split_flags); | |
| 2583 | 3204 RESET_BINDING(curwin); |
| 7 | 3205 } |
| 3206 #endif | |
| 3207 | |
| 3208 if (keep_help) | |
| 3209 { | |
| 3210 /* A :ta from a help file will keep the b_help flag set. For ":ptag" | |
| 3211 * we need to use the flag from the window where we came from. */ | |
| 3212 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3213 if (g_do_tagpreview != 0) |
| 7 | 3214 keep_help_flag = curwin_save->w_buffer->b_help; |
| 3215 else | |
| 3216 #endif | |
| 3217 keep_help_flag = curbuf->b_help; | |
| 3218 } | |
| 3219 getfile_result = getfile(0, fname, NULL, TRUE, (linenr_T)0, forceit); | |
| 3220 keep_help_flag = FALSE; | |
| 3221 | |
| 3222 if (getfile_result <= 0) /* got to the right file */ | |
| 3223 { | |
| 3224 curwin->w_set_curswant = TRUE; | |
| 3225 #ifdef FEAT_WINDOWS | |
| 3226 postponed_split = 0; | |
| 3227 #endif | |
| 3228 | |
| 3229 save_secure = secure; | |
| 3230 secure = 1; | |
| 3231 #ifdef HAVE_SANDBOX | |
| 3232 ++sandbox; | |
| 3233 #endif | |
| 3234 save_magic = p_magic; | |
| 3235 p_magic = FALSE; /* always execute with 'nomagic' */ | |
| 3236 #ifdef FEAT_SEARCH_EXTRA | |
| 3237 /* Save value of no_hlsearch, jumping to a tag is not a real search */ | |
| 3238 save_no_hlsearch = no_hlsearch; | |
| 3239 #endif | |
| 3240 | |
| 3241 /* | |
| 3242 * If 'cpoptions' contains 't', store the search pattern for the "n" | |
| 3243 * command. If 'cpoptions' does not contain 't', the search pattern | |
| 3244 * is not stored. | |
| 3245 */ | |
| 3246 if (vim_strchr(p_cpo, CPO_TAGPAT) != NULL) | |
| 3247 search_options = 0; | |
| 3248 else | |
| 3249 search_options = SEARCH_KEEP; | |
| 3250 | |
| 3251 /* | |
| 3252 * If the command is a search, try here. | |
| 3253 * | |
| 3254 * Reset 'smartcase' for the search, since the search pattern was not | |
| 3255 * typed by the user. | |
| 3256 * Only use do_search() when there is a full search command, without | |
| 3257 * anything following. | |
| 3258 */ | |
| 3259 str = pbuf; | |
| 3260 if (pbuf[0] == '/' || pbuf[0] == '?') | |
| 3261 str = skip_regexp(pbuf + 1, pbuf[0], FALSE, NULL) + 1; | |
| 3262 if (str > pbuf_end - 1) /* search command with nothing following */ | |
| 3263 { | |
| 3264 save_p_ws = p_ws; | |
| 3265 save_p_ic = p_ic; | |
| 3266 save_p_scs = p_scs; | |
| 3267 p_ws = TRUE; /* need 'wrapscan' for backward searches */ | |
| 3268 p_ic = FALSE; /* don't ignore case now */ | |
| 3269 p_scs = FALSE; | |
| 3270 #if 0 /* disabled for now */ | |
| 3271 #ifdef FEAT_CMDHIST | |
| 3272 /* put pattern in search history */ | |
| 3273 add_to_history(HIST_SEARCH, pbuf + 1, TRUE, pbuf[0]); | |
| 3274 #endif | |
| 3275 #endif | |
| 3276 save_lnum = curwin->w_cursor.lnum; | |
| 3277 curwin->w_cursor.lnum = 0; /* start search before first line */ | |
| 1521 | 3278 if (do_search(NULL, pbuf[0], pbuf + 1, (long)1, |
| 3279 search_options, NULL)) | |
| 7 | 3280 retval = OK; |
| 3281 else | |
| 3282 { | |
| 3283 int found = 1; | |
| 3284 int cc; | |
| 3285 | |
| 3286 /* | |
| 3287 * try again, ignore case now | |
| 3288 */ | |
| 3289 p_ic = TRUE; | |
| 3290 if (!do_search(NULL, pbuf[0], pbuf + 1, (long)1, | |
| 1521 | 3291 search_options, NULL)) |
| 7 | 3292 { |
| 3293 /* | |
| 3294 * Failed to find pattern, take a guess: "^func (" | |
| 3295 */ | |
| 3296 found = 2; | |
| 3297 (void)test_for_static(&tagp); | |
| 3298 cc = *tagp.tagname_end; | |
| 3299 *tagp.tagname_end = NUL; | |
| 3300 sprintf((char *)pbuf, "^%s\\s\\*(", tagp.tagname); | |
| 1521 | 3301 if (!do_search(NULL, '/', pbuf, (long)1, |
| 3302 search_options, NULL)) | |
| 7 | 3303 { |
| 3304 /* Guess again: "^char * \<func (" */ | |
| 3305 sprintf((char *)pbuf, "^\\[#a-zA-Z_]\\.\\*\\<%s\\s\\*(", | |
| 3306 tagp.tagname); | |
| 3307 if (!do_search(NULL, '/', pbuf, (long)1, | |
| 1521 | 3308 search_options, NULL)) |
| 7 | 3309 found = 0; |
| 3310 } | |
| 3311 *tagp.tagname_end = cc; | |
| 3312 } | |
| 3313 if (found == 0) | |
| 3314 { | |
| 3315 EMSG(_("E434: Can't find tag pattern")); | |
| 3316 curwin->w_cursor.lnum = save_lnum; | |
| 3317 } | |
| 3318 else | |
| 3319 { | |
| 3320 /* | |
| 3321 * Only give a message when really guessed, not when 'ic' | |
| 3322 * is set and match found while ignoring case. | |
| 3323 */ | |
| 3324 if (found == 2 || !save_p_ic) | |
| 3325 { | |
| 3326 MSG(_("E435: Couldn't find tag, just guessing!")); | |
| 3327 if (!msg_scrolled && msg_silent == 0) | |
| 3328 { | |
| 3329 out_flush(); | |
| 3330 ui_delay(1000L, TRUE); | |
| 3331 } | |
| 3332 } | |
| 3333 retval = OK; | |
| 3334 } | |
| 3335 } | |
| 3336 p_ws = save_p_ws; | |
| 3337 p_ic = save_p_ic; | |
| 3338 p_scs = save_p_scs; | |
| 3339 | |
| 3340 /* A search command may have positioned the cursor beyond the end | |
| 3341 * of the line. May need to correct that here. */ | |
| 3342 check_cursor(); | |
| 3343 } | |
| 3344 else | |
| 3345 { | |
| 3346 curwin->w_cursor.lnum = 1; /* start command in line 1 */ | |
| 3347 do_cmdline_cmd(pbuf); | |
| 3348 retval = OK; | |
| 3349 } | |
| 3350 | |
| 3351 /* | |
| 3352 * When the command has done something that is not allowed make sure | |
| 3353 * the error message can be seen. | |
| 3354 */ | |
| 3355 if (secure == 2) | |
| 3356 wait_return(TRUE); | |
| 3357 secure = save_secure; | |
| 3358 p_magic = save_magic; | |
| 3359 #ifdef HAVE_SANDBOX | |
| 3360 --sandbox; | |
| 3361 #endif | |
| 3362 #ifdef FEAT_SEARCH_EXTRA | |
| 3363 /* restore no_hlsearch when keeping the old search pattern */ | |
| 3364 if (search_options) | |
| 5458 | 3365 { |
| 3366 SET_NO_HLSEARCH(save_no_hlsearch); | |
| 3367 } | |
| 7 | 3368 #endif |
| 3369 | |
| 3370 /* Return OK if jumped to another file (at least we found the file!). */ | |
| 3371 if (getfile_result == -1) | |
| 3372 retval = OK; | |
| 3373 | |
| 3374 if (retval == OK) | |
| 3375 { | |
| 3376 /* | |
| 3377 * For a help buffer: Put the cursor line at the top of the window, | |
| 3378 * the help subject will be below it. | |
| 3379 */ | |
| 3380 if (curbuf->b_help) | |
| 3381 set_topline(curwin, curwin->w_cursor.lnum); | |
| 3382 #ifdef FEAT_FOLDING | |
| 3383 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 3384 foldOpenCursor(); | |
| 3385 #endif | |
| 3386 } | |
| 3387 | |
| 3388 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3389 if (g_do_tagpreview != 0 |
| 3390 && curwin != curwin_save && win_valid(curwin_save)) | |
| 7 | 3391 { |
| 3392 /* Return cursor to where we were */ | |
| 3393 validate_cursor(); | |
| 3394 redraw_later(VALID); | |
| 3395 win_enter(curwin_save, TRUE); | |
| 3396 } | |
| 3397 #endif | |
| 3398 | |
| 3399 --RedrawingDisabled; | |
| 3400 } | |
| 3401 else | |
| 3402 { | |
| 3403 --RedrawingDisabled; | |
| 3404 #ifdef FEAT_WINDOWS | |
| 3405 if (postponed_split) /* close the window */ | |
| 3406 { | |
| 3407 win_close(curwin, FALSE); | |
| 3408 postponed_split = 0; | |
| 3409 } | |
| 3410 #endif | |
| 3411 } | |
| 3412 | |
| 3413 erret: | |
| 3414 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3415 g_do_tagpreview = 0; /* For next time */ | |
| 3416 #endif | |
| 3417 if (tagp.fname_end != NULL) | |
| 3418 *tagp.fname_end = csave; | |
| 3419 vim_free(pbuf); | |
| 3420 vim_free(tofree_fname); | |
| 3421 vim_free(full_fname); | |
| 3422 | |
| 3423 return retval; | |
| 3424 } | |
| 3425 | |
| 3426 /* | |
| 3427 * If "expand" is TRUE, expand wildcards in fname. | |
| 3428 * If 'tagrelative' option set, change fname (name of file containing tag) | |
| 3429 * according to tag_fname (name of tag file containing fname). | |
| 3430 * Returns a pointer to allocated memory (or NULL when out of memory). | |
| 3431 */ | |
| 3432 static char_u * | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3433 expand_tag_fname(char_u *fname, char_u *tag_fname, int expand) |
| 7 | 3434 { |
| 3435 char_u *p; | |
| 3436 char_u *retval; | |
| 3437 char_u *expanded_fname = NULL; | |
| 3438 expand_T xpc; | |
| 3439 | |
| 3440 /* | |
| 3441 * Expand file name (for environment variables) when needed. | |
| 3442 */ | |
| 3443 if (expand && mch_has_wildcard(fname)) | |
| 3444 { | |
| 3445 ExpandInit(&xpc); | |
| 3446 xpc.xp_context = EXPAND_FILES; | |
| 3447 expanded_fname = ExpandOne(&xpc, (char_u *)fname, NULL, | |
| 3448 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); | |
| 3449 if (expanded_fname != NULL) | |
| 3450 fname = expanded_fname; | |
| 3451 } | |
| 3452 | |
| 3453 if ((p_tr || curbuf->b_help) | |
| 3454 && !vim_isAbsName(fname) | |
| 3455 && (p = gettail(tag_fname)) != tag_fname) | |
| 3456 { | |
| 3457 retval = alloc(MAXPATHL); | |
| 3458 if (retval != NULL) | |
| 3459 { | |
| 3460 STRCPY(retval, tag_fname); | |
| 418 | 3461 vim_strncpy(retval + (p - tag_fname), fname, |
| 3462 MAXPATHL - (p - tag_fname) - 1); | |
| 7 | 3463 /* |
| 3464 * Translate names like "src/a/../b/file.c" into "src/b/file.c". | |
| 3465 */ | |
| 3466 simplify_filename(retval); | |
| 3467 } | |
| 3468 } | |
| 3469 else | |
| 3470 retval = vim_strsave(fname); | |
| 3471 | |
| 3472 vim_free(expanded_fname); | |
| 3473 | |
| 3474 return retval; | |
| 3475 } | |
| 3476 | |
| 3477 /* | |
| 3478 * Converts a file name into a canonical form. It simplifies a file name into | |
| 3479 * its simplest form by stripping out unneeded components, if any. The | |
| 3480 * resulting file name is simplified in place and will either be the same | |
| 3481 * length as that supplied, or shorter. | |
| 3482 */ | |
| 3483 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3484 simplify_filename(char_u *filename) |
| 7 | 3485 { |
| 3486 #ifndef AMIGA /* Amiga doesn't have "..", it uses "/" */ | |
| 3487 int components = 0; | |
| 3488 char_u *p, *tail, *start; | |
| 3489 int stripping_disabled = FALSE; | |
| 3490 int relative = TRUE; | |
| 3491 | |
| 3492 p = filename; | |
| 3493 #ifdef BACKSLASH_IN_FILENAME | |
| 3494 if (p[1] == ':') /* skip "x:" */ | |
| 3495 p += 2; | |
| 3496 #endif | |
| 3497 | |
| 3498 if (vim_ispathsep(*p)) | |
| 3499 { | |
| 3500 relative = FALSE; | |
| 3501 do | |
| 3502 ++p; | |
| 3503 while (vim_ispathsep(*p)); | |
| 3504 } | |
| 3505 start = p; /* remember start after "c:/" or "/" or "///" */ | |
| 3506 | |
| 3507 do | |
| 3508 { | |
| 3509 /* At this point "p" is pointing to the char following a single "/" | |
| 3510 * or "p" is at the "start" of the (absolute or relative) path name. */ | |
| 3511 #ifdef VMS | |
| 3512 /* VMS allows device:[path] - don't strip the [ in directory */ | |
| 3513 if ((*p == '[' || *p == '<') && p > filename && p[-1] == ':') | |
| 3514 { | |
| 3515 /* :[ or :< composition: vms directory component */ | |
| 3516 ++components; | |
| 3517 p = getnextcomp(p + 1); | |
| 3518 } | |
| 3519 /* allow remote calls as host"user passwd"::device:[path] */ | |
| 3520 else if (p[0] == ':' && p[1] == ':' && p > filename && p[-1] == '"' ) | |
| 3521 { | |
| 3522 /* ":: composition: vms host/passwd component */ | |
| 3523 ++components; | |
| 3524 p = getnextcomp(p + 2); | |
| 3525 } | |
| 3526 else | |
| 3527 #endif | |
| 3528 if (vim_ispathsep(*p)) | |
| 1620 | 3529 STRMOVE(p, p + 1); /* remove duplicate "/" */ |
| 7 | 3530 else if (p[0] == '.' && (vim_ispathsep(p[1]) || p[1] == NUL)) |
| 3531 { | |
| 3532 if (p == start && relative) | |
| 3533 p += 1 + (p[1] != NUL); /* keep single "." or leading "./" */ | |
| 3534 else | |
| 3535 { | |
| 3536 /* Strip "./" or ".///". If we are at the end of the file name | |
| 3537 * and there is no trailing path separator, either strip "/." if | |
| 3538 * we are after "start", or strip "." if we are at the beginning | |
| 3539 * of an absolute path name . */ | |
| 3540 tail = p + 1; | |
| 3541 if (p[1] != NUL) | |
| 3542 while (vim_ispathsep(*tail)) | |
| 39 | 3543 mb_ptr_adv(tail); |
| 7 | 3544 else if (p > start) |
| 3545 --p; /* strip preceding path separator */ | |
| 1620 | 3546 STRMOVE(p, tail); |
| 7 | 3547 } |
| 3548 } | |
| 3549 else if (p[0] == '.' && p[1] == '.' && | |
| 3550 (vim_ispathsep(p[2]) || p[2] == NUL)) | |
| 3551 { | |
| 3552 /* Skip to after ".." or "../" or "..///". */ | |
| 3553 tail = p + 2; | |
| 3554 while (vim_ispathsep(*tail)) | |
| 39 | 3555 mb_ptr_adv(tail); |
| 7 | 3556 |
| 3557 if (components > 0) /* strip one preceding component */ | |
| 3558 { | |
| 3559 int do_strip = FALSE; | |
| 3560 char_u saved_char; | |
|
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Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
3561 stat_T st; |
| 7 | 3562 |
| 3563 /* Don't strip for an erroneous file name. */ | |
| 3564 if (!stripping_disabled) | |
| 3565 { | |
| 3566 /* If the preceding component does not exist in the file | |
| 3567 * system, we strip it. On Unix, we don't accept a symbolic | |
| 3568 * link that refers to a non-existent file. */ | |
| 3569 saved_char = p[-1]; | |
| 3570 p[-1] = NUL; | |
| 3571 #ifdef UNIX | |
| 3572 if (mch_lstat((char *)filename, &st) < 0) | |
| 3573 #else | |
| 3574 if (mch_stat((char *)filename, &st) < 0) | |
| 3575 #endif | |
| 3576 do_strip = TRUE; | |
| 3577 p[-1] = saved_char; | |
| 3578 | |
| 3579 --p; | |
| 3580 /* Skip back to after previous '/'. */ | |
| 39 | 3581 while (p > start && !after_pathsep(start, p)) |
| 3582 mb_ptr_back(start, p); | |
| 7 | 3583 |
| 3584 if (!do_strip) | |
| 3585 { | |
| 3586 /* If the component exists in the file system, check | |
| 3587 * that stripping it won't change the meaning of the | |
| 3588 * file name. First get information about the | |
| 3589 * unstripped file name. This may fail if the component | |
| 3590 * to strip is not a searchable directory (but a regular | |
| 3591 * file, for instance), since the trailing "/.." cannot | |
| 3592 * be applied then. We don't strip it then since we | |
| 3593 * don't want to replace an erroneous file name by | |
| 3594 * a valid one, and we disable stripping of later | |
| 3595 * components. */ | |
| 3596 saved_char = *tail; | |
| 3597 *tail = NUL; | |
| 3598 if (mch_stat((char *)filename, &st) >= 0) | |
| 3599 do_strip = TRUE; | |
| 3600 else | |
| 3601 stripping_disabled = TRUE; | |
| 3602 *tail = saved_char; | |
| 3603 #ifdef UNIX | |
| 3604 if (do_strip) | |
| 3605 { | |
|
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Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
3606 stat_T new_st; |
| 7 | 3607 |
| 3608 /* On Unix, the check for the unstripped file name | |
| 3609 * above works also for a symbolic link pointing to | |
| 3610 * a searchable directory. But then the parent of | |
| 3611 * the directory pointed to by the link must be the | |
| 3612 * same as the stripped file name. (The latter | |
| 3613 * exists in the file system since it is the | |
| 3614 * component's parent directory.) */ | |
| 3615 if (p == start && relative) | |
| 3616 (void)mch_stat(".", &new_st); | |
| 3617 else | |
| 3618 { | |
| 3619 saved_char = *p; | |
| 3620 *p = NUL; | |
| 3621 (void)mch_stat((char *)filename, &new_st); | |
| 3622 *p = saved_char; | |
| 3623 } | |
| 3624 | |
| 3625 if (new_st.st_ino != st.st_ino || | |
| 3626 new_st.st_dev != st.st_dev) | |
| 3627 { | |
| 3628 do_strip = FALSE; | |
| 3629 /* We don't disable stripping of later | |
| 3630 * components since the unstripped path name is | |
| 3631 * still valid. */ | |
| 3632 } | |
| 3633 } | |
| 3634 #endif | |
| 3635 } | |
| 3636 } | |
| 3637 | |
| 3638 if (!do_strip) | |
| 3639 { | |
| 3640 /* Skip the ".." or "../" and reset the counter for the | |
| 3641 * components that might be stripped later on. */ | |
| 3642 p = tail; | |
| 3643 components = 0; | |
| 3644 } | |
| 3645 else | |
| 3646 { | |
| 3647 /* Strip previous component. If the result would get empty | |
| 3648 * and there is no trailing path separator, leave a single | |
| 3649 * "." instead. If we are at the end of the file name and | |
| 3650 * there is no trailing path separator and a preceding | |
| 3651 * component is left after stripping, strip its trailing | |
| 3652 * path separator as well. */ | |
| 3653 if (p == start && relative && tail[-1] == '.') | |
| 3654 { | |
| 3655 *p++ = '.'; | |
| 3656 *p = NUL; | |
| 3657 } | |
| 3658 else | |
| 3659 { | |
| 3660 if (p > start && tail[-1] == '.') | |
| 3661 --p; | |
| 1620 | 3662 STRMOVE(p, tail); /* strip previous component */ |
| 7 | 3663 } |
| 3664 | |
| 3665 --components; | |
| 3666 } | |
| 3667 } | |
| 3668 else if (p == start && !relative) /* leading "/.." or "/../" */ | |
| 1620 | 3669 STRMOVE(p, tail); /* strip ".." or "../" */ |
| 7 | 3670 else |
| 3671 { | |
| 3672 if (p == start + 2 && p[-2] == '.') /* leading "./../" */ | |
| 3673 { | |
| 1620 | 3674 STRMOVE(p - 2, p); /* strip leading "./" */ |
| 7 | 3675 tail -= 2; |
| 3676 } | |
| 3677 p = tail; /* skip to char after ".." or "../" */ | |
| 3678 } | |
| 3679 } | |
| 3680 else | |
| 3681 { | |
| 3682 ++components; /* simple path component */ | |
| 3683 p = getnextcomp(p); | |
| 3684 } | |
| 3685 } while (*p != NUL); | |
| 3686 #endif /* !AMIGA */ | |
| 3687 } | |
| 3688 | |
| 3689 /* | |
| 3690 * Check if we have a tag for the buffer with name "buf_ffname". | |
| 3691 * This is a bit slow, because of the full path compare in fullpathcmp(). | |
| 3692 * Return TRUE if tag for file "fname" if tag file "tag_fname" is for current | |
| 3693 * file. | |
| 3694 */ | |
| 3695 static int | |
|
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parents:
7805
diff
changeset
|
3696 test_for_current( |
| 7 | 3697 #ifdef FEAT_EMACS_TAGS |
|
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parents:
7805
diff
changeset
|
3698 int is_etag, |
| 7 | 3699 #endif |
|
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parents:
7805
diff
changeset
|
3700 char_u *fname, |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3701 char_u *fname_end, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3702 char_u *tag_fname, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3703 char_u *buf_ffname) |
| 7 | 3704 { |
| 3705 int c; | |
| 3706 int retval = FALSE; | |
| 3707 char_u *fullname; | |
| 3708 | |
| 3709 if (buf_ffname != NULL) /* if the buffer has a name */ | |
| 3710 { | |
| 3711 #ifdef FEAT_EMACS_TAGS | |
| 3712 if (is_etag) | |
| 3713 c = 0; /* to shut up GCC */ | |
| 3714 else | |
| 3715 #endif | |
| 3716 { | |
| 3717 c = *fname_end; | |
| 3718 *fname_end = NUL; | |
| 3719 } | |
| 3720 fullname = expand_tag_fname(fname, tag_fname, TRUE); | |
| 3721 if (fullname != NULL) | |
| 3722 { | |
| 3723 retval = (fullpathcmp(fullname, buf_ffname, TRUE) & FPC_SAME); | |
| 3724 vim_free(fullname); | |
| 3725 } | |
| 3726 #ifdef FEAT_EMACS_TAGS | |
| 3727 if (!is_etag) | |
| 3728 #endif | |
| 3729 *fname_end = c; | |
| 3730 } | |
| 3731 | |
| 3732 return retval; | |
| 3733 } | |
| 3734 | |
| 3735 /* | |
| 3736 * Find the end of the tagaddress. | |
| 3737 * Return OK if ";\"" is following, FAIL otherwise. | |
| 3738 */ | |
| 3739 static int | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3740 find_extra(char_u **pp) |
| 7 | 3741 { |
| 3742 char_u *str = *pp; | |
| 3743 | |
| 3744 /* Repeat for addresses separated with ';' */ | |
| 3745 for (;;) | |
| 3746 { | |
| 3747 if (VIM_ISDIGIT(*str)) | |
| 3748 str = skipdigits(str); | |
| 3749 else if (*str == '/' || *str == '?') | |
| 3750 { | |
| 3751 str = skip_regexp(str + 1, *str, FALSE, NULL); | |
| 3752 if (*str != **pp) | |
| 3753 str = NULL; | |
| 3754 else | |
| 3755 ++str; | |
| 3756 } | |
| 3757 else | |
| 3758 str = NULL; | |
| 3759 if (str == NULL || *str != ';' | |
| 3760 || !(VIM_ISDIGIT(str[1]) || str[1] == '/' || str[1] == '?')) | |
| 3761 break; | |
| 3762 ++str; /* skip ';' */ | |
| 3763 } | |
| 3764 | |
| 3765 if (str != NULL && STRNCMP(str, ";\"", 2) == 0) | |
| 3766 { | |
| 3767 *pp = str; | |
| 3768 return OK; | |
| 3769 } | |
| 3770 return FAIL; | |
| 3771 } | |
| 3772 | |
| 3773 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 3774 int | |
|
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parents:
7805
diff
changeset
|
3775 expand_tags( |
|
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parents:
7805
diff
changeset
|
3776 int tagnames, /* expand tag names */ |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3777 char_u *pat, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3778 int *num_file, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3779 char_u ***file) |
| 7 | 3780 { |
| 3781 int i; | |
| 3782 int c; | |
| 3783 int tagnmflag; | |
| 3784 char_u tagnm[100]; | |
| 3785 tagptrs_T t_p; | |
| 3786 int ret; | |
| 3787 | |
| 3788 if (tagnames) | |
| 3789 tagnmflag = TAG_NAMES; | |
| 3790 else | |
| 3791 tagnmflag = 0; | |
| 3792 if (pat[0] == '/') | |
| 3793 ret = find_tags(pat + 1, num_file, file, | |
| 3794 TAG_REGEXP | tagnmflag | TAG_VERBOSE, | |
| 3795 TAG_MANY, curbuf->b_ffname); | |
| 3796 else | |
| 3797 ret = find_tags(pat, num_file, file, | |
| 3798 TAG_REGEXP | tagnmflag | TAG_VERBOSE | TAG_NOIC, | |
| 3799 TAG_MANY, curbuf->b_ffname); | |
| 3800 if (ret == OK && !tagnames) | |
| 3801 { | |
| 3802 /* Reorganize the tags for display and matching as strings of: | |
| 3803 * "<tagname>\0<kind>\0<filename>\0" | |
| 3804 */ | |
| 3805 for (i = 0; i < *num_file; i++) | |
| 3806 { | |
| 3807 parse_match((*file)[i], &t_p); | |
| 3808 c = (int)(t_p.tagname_end - t_p.tagname); | |
| 3809 mch_memmove(tagnm, t_p.tagname, (size_t)c); | |
| 3810 tagnm[c++] = 0; | |
| 3811 tagnm[c++] = (t_p.tagkind != NULL && *t_p.tagkind) | |
| 3812 ? *t_p.tagkind : 'f'; | |
| 3813 tagnm[c++] = 0; | |
| 3814 mch_memmove((*file)[i] + c, t_p.fname, t_p.fname_end - t_p.fname); | |
| 3815 (*file)[i][c + (t_p.fname_end - t_p.fname)] = 0; | |
| 3816 mch_memmove((*file)[i], tagnm, (size_t)c); | |
| 3817 } | |
| 3818 } | |
| 3819 return ret; | |
| 3820 } | |
| 3821 #endif | |
| 179 | 3822 |
| 3823 #if defined(FEAT_EVAL) || defined(PROTO) | |
|
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parents:
7266
diff
changeset
|
3824 static int add_tag_field(dict_T *dict, char *field_name, char_u *start, char_u *end); |
| 179 | 3825 |
| 3826 /* | |
| 2185 | 3827 * Add a tag field to the dictionary "dict". |
| 3828 * Return OK or FAIL. | |
| 179 | 3829 */ |
| 3830 static int | |
|
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parents:
7805
diff
changeset
|
3831 add_tag_field( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
7805
diff
changeset
|
3832 dict_T *dict, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3833 char *field_name, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3834 char_u *start, /* start of the value */ |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3835 char_u *end) /* after the value; can be NULL */ |
| 179 | 3836 { |
| 2770 | 3837 char_u *buf; |
| 188 | 3838 int len = 0; |
| 2770 | 3839 int retval; |
| 179 | 3840 |
| 2185 | 3841 /* check that the field name doesn't exist yet */ |
| 3842 if (dict_find(dict, (char_u *)field_name, -1) != NULL) | |
| 3843 { | |
| 3844 if (p_verbose > 0) | |
| 3845 { | |
| 3846 verbose_enter(); | |
| 3847 smsg((char_u *)_("Duplicate field name: %s"), field_name); | |
| 3848 verbose_leave(); | |
| 3849 } | |
| 3850 return FAIL; | |
| 3851 } | |
| 2770 | 3852 buf = alloc(MAXPATHL); |
| 3853 if (buf == NULL) | |
| 3854 return FAIL; | |
| 188 | 3855 if (start != NULL) |
| 3856 { | |
| 211 | 3857 if (end == NULL) |
| 3858 { | |
| 3859 end = start + STRLEN(start); | |
| 3860 while (end > start && (end[-1] == '\r' || end[-1] == '\n')) | |
| 3861 --end; | |
| 3862 } | |
| 835 | 3863 len = (int)(end - start); |
| 2770 | 3864 if (len > MAXPATHL - 1) |
| 3865 len = MAXPATHL - 1; | |
| 418 | 3866 vim_strncpy(buf, start, len); |
| 188 | 3867 } |
| 179 | 3868 buf[len] = NUL; |
| 2770 | 3869 retval = dict_add_nr_str(dict, field_name, 0L, buf); |
| 3870 vim_free(buf); | |
| 3871 return retval; | |
| 179 | 3872 } |
| 3873 | |
| 3874 /* | |
| 3875 * Add the tags matching the specified pattern to the list "list" | |
| 3876 * as a dictionary | |
| 3877 */ | |
| 3878 int | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3879 get_tags(list_T *list, char_u *pat) |
| 179 | 3880 { |
| 3881 int num_matches, i, ret; | |
| 3882 char_u **matches, *p; | |
| 970 | 3883 char_u *full_fname; |
| 179 | 3884 dict_T *dict; |
| 3885 tagptrs_T tp; | |
| 3886 long is_static; | |
| 3887 | |
| 3888 ret = find_tags(pat, &num_matches, &matches, | |
| 3889 TAG_REGEXP | TAG_NOIC, (int)MAXCOL, NULL); | |
| 3890 if (ret == OK && num_matches > 0) | |
| 3891 { | |
| 3892 for (i = 0; i < num_matches; ++i) | |
| 3893 { | |
| 188 | 3894 parse_match(matches[i], &tp); |
| 3895 is_static = test_for_static(&tp); | |
| 3896 | |
| 3897 /* Skip pseudo-tag lines. */ | |
| 3898 if (STRNCMP(tp.tagname, "!_TAG_", 6) == 0) | |
| 3899 continue; | |
| 3900 | |
| 179 | 3901 if ((dict = dict_alloc()) == NULL) |
| 3902 ret = FAIL; | |
| 3903 if (list_append_dict(list, dict) == FAIL) | |
| 3904 ret = FAIL; | |
| 3905 | |
| 970 | 3906 full_fname = tag_full_fname(&tp); |
| 179 | 3907 if (add_tag_field(dict, "name", tp.tagname, tp.tagname_end) == FAIL |
| 970 | 3908 || add_tag_field(dict, "filename", full_fname, |
| 3909 NULL) == FAIL | |
| 179 | 3910 || add_tag_field(dict, "cmd", tp.command, |
| 3911 tp.command_end) == FAIL | |
| 3912 || add_tag_field(dict, "kind", tp.tagkind, | |
| 3913 tp.tagkind_end) == FAIL | |
| 3914 || dict_add_nr_str(dict, "static", is_static, NULL) == FAIL) | |
| 3915 ret = FAIL; | |
| 3916 | |
| 970 | 3917 vim_free(full_fname); |
| 3918 | |
| 179 | 3919 if (tp.command_end != NULL) |
| 3920 { | |
| 3921 for (p = tp.command_end + 3; | |
| 3922 *p != NUL && *p != '\n' && *p != '\r'; ++p) | |
| 3923 { | |
| 3924 if (p == tp.tagkind || (p + 5 == tp.tagkind | |
| 3925 && STRNCMP(p, "kind:", 5) == 0)) | |
| 3926 /* skip "kind:<kind>" and "<kind>" */ | |
| 3927 p = tp.tagkind_end - 1; | |
| 3928 else if (STRNCMP(p, "file:", 5) == 0) | |
| 3929 /* skip "file:" (static tag) */ | |
| 3930 p += 4; | |
| 188 | 3931 else if (!vim_iswhite(*p)) |
| 179 | 3932 { |
| 3933 char_u *s, *n; | |
| 188 | 3934 int len; |
| 179 | 3935 |
| 799 | 3936 /* Add extra field as a dict entry. Fields are |
| 3937 * separated by Tabs. */ | |
| 179 | 3938 n = p; |
| 799 | 3939 while (*p != NUL && *p >= ' ' && *p < 127 && *p != ':') |
| 179 | 3940 ++p; |
| 835 | 3941 len = (int)(p - n); |
| 188 | 3942 if (*p == ':' && len > 0) |
| 3943 { | |
| 3944 s = ++p; | |
| 836 | 3945 while (*p != NUL && *p >= ' ') |
| 188 | 3946 ++p; |
| 3947 n[len] = NUL; | |
| 3948 if (add_tag_field(dict, (char *)n, s, p) == FAIL) | |
| 3949 ret = FAIL; | |
| 3950 n[len] = ':'; | |
| 3951 } | |
| 836 | 3952 else |
| 3953 /* Skip field without colon. */ | |
| 3954 while (*p != NUL && *p >= ' ') | |
| 3955 ++p; | |
| 1674 | 3956 if (*p == NUL) |
| 3957 break; | |
| 179 | 3958 } |
| 3959 } | |
| 3960 } | |
| 3961 | |
| 3962 vim_free(matches[i]); | |
| 3963 } | |
| 3964 vim_free(matches); | |
| 3965 } | |
| 3966 return ret; | |
| 3967 } | |
| 3968 #endif |