Mercurial > vim
annotate src/tag.c @ 9163:731ee601de16 v7.4.1865
commit https://github.com/vim/vim/commit/9ad73239c26467832a5b553b2a4b99d7ffbaa25e
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Jun 1 22:08:17 2016 +0200
patch 7.4.1865
Problem: Memory leaks in tet49. (Dominique Pelle)
Solution: Use NULL instead of an empty string.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Wed, 01 Jun 2016 22:15:05 +0200 |
| parents | 0a3bc9fdea20 |
| children | f094d4085014 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 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 /* | |
| 38 * The matching tags are first stored in ga_match[]. In which one depends on | |
| 39 * the priority of the match. | |
| 40 * At the end, the matches from ga_match[] are concatenated, to make a list | |
| 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_ST_CUR 4 /* icase static match in current file */ | |
| 48 #define MT_IC_GL_CUR 5 /* icase global match in current file */ | |
| 49 #define MT_IC_GL_OTH 6 /* icase global match in other file */ | |
| 50 #define MT_IC_ST_OTH 7 /* icase static match in other file */ | |
| 51 #define MT_IC_OFF 4 /* add for icase match */ | |
| 52 #define MT_RE_OFF 8 /* add for regexp match */ | |
| 53 #define MT_MASK 7 /* mask for printing priority */ | |
| 54 #define MT_COUNT 16 | |
| 55 | |
| 56 static char *mt_names[MT_COUNT/2] = | |
| 57 {"FSC", "F C", "F ", "FS ", " SC", " C", " ", " S "}; | |
| 58 | |
| 59 #define NOTAGFILE 99 /* return value for jumpto_tag */ | |
| 60 static char_u *nofile_fname = NULL; /* fname for NOTAGFILE error */ | |
| 61 | |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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62 static void taglen_advance(int l); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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63 |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
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64 static int jumpto_tag(char_u *lbuf, int forceit, int keep_help); |
| 7 | 65 #ifdef FEAT_EMACS_TAGS |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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66 static int parse_tag_line(char_u *lbuf, int is_etag, tagptrs_T *tagp); |
| 7 | 67 #else |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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68 static int parse_tag_line(char_u *lbuf, tagptrs_T *tagp); |
| 7 | 69 #endif |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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70 static int test_for_static(tagptrs_T *); |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
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diff
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71 static int parse_match(char_u *lbuf, 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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diff
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72 static char_u *tag_full_fname(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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73 static char_u *expand_tag_fname(char_u *fname, char_u *tag_fname, int expand); |
| 7 | 74 #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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75 static int test_for_current(int, char_u *, char_u *, char_u *, char_u *); |
| 7 | 76 #else |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
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diff
changeset
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77 static int test_for_current(char_u *, char_u *, char_u *, char_u *); |
| 7 | 78 #endif |
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0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
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79 static int find_extra(char_u **pp); |
| 7 | 80 |
| 81 static char_u *bottommsg = (char_u *)N_("E555: at bottom of tag stack"); | |
| 82 static char_u *topmsg = (char_u *)N_("E556: at top of tag stack"); | |
| 83 | |
| 84 static char_u *tagmatchname = NULL; /* name of last used tag */ | |
| 85 | |
| 86 /* | |
| 87 * We use ftello() here, if available. It returns off_t instead of long, | |
| 88 * which helps if long is 32 bit and off_t is 64 bit. | |
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updated for version 7.2.371
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89 * We assume that when fseeko() is available then ftello() is too. |
| 7 | 90 */ |
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updated for version 7.2.371
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91 #ifdef HAVE_FSEEKO |
| 7 | 92 # define ftell ftello |
| 93 #endif | |
| 94 | |
| 95 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 96 /* | |
| 97 * Tag for preview window is remembered separately, to avoid messing up the | |
| 98 * normal tagstack. | |
| 99 */ | |
| 1883 | 100 static taggy_T ptag_entry = {NULL, {INIT_POS_T(0, 0, 0), 0}, 0, 0}; |
| 7 | 101 #endif |
| 102 | |
| 103 /* | |
| 104 * Jump to tag; handling of tag commands and tag stack | |
| 105 * | |
| 106 * *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack | |
| 107 * | |
| 108 * type == DT_TAG: ":tag [tag]", jump to newer position or same tag again | |
| 109 * type == DT_HELP: like DT_TAG, but don't use regexp. | |
| 110 * type == DT_POP: ":pop" or CTRL-T, jump to old position | |
| 111 * type == DT_NEXT: jump to next match of same tag | |
| 112 * type == DT_PREV: jump to previous match of same tag | |
| 113 * type == DT_FIRST: jump to first match of same tag | |
| 114 * type == DT_LAST: jump to last match of same tag | |
| 115 * type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches | |
| 116 * type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list | |
| 359 | 117 * type == DT_CSCOPE: use cscope to find the tag |
| 649 | 118 * type == DT_LTAG: use location list for displaying tag matches |
| 359 | 119 * type == DT_FREE: free cached matches |
| 7 | 120 * |
| 121 * for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise | |
| 122 */ | |
| 123 int | |
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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124 do_tag( |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
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125 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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126 int type, |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
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127 int count, |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
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128 int forceit, /* :ta with ! */ |
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
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129 int verbose) /* print "tag not found" message */ |
| 7 | 130 { |
| 131 taggy_T *tagstack = curwin->w_tagstack; | |
| 132 int tagstackidx = curwin->w_tagstackidx; | |
| 133 int tagstacklen = curwin->w_tagstacklen; | |
| 134 int cur_match = 0; | |
| 135 int cur_fnum = curbuf->b_fnum; | |
| 136 int oldtagstackidx = tagstackidx; | |
| 137 int prevtagstackidx = tagstackidx; | |
| 138 int prev_num_matches; | |
| 139 int new_tag = FALSE; | |
| 140 int other_name; | |
| 141 int i, j, k; | |
| 142 int idx; | |
| 143 int ic; | |
| 144 char_u *p; | |
| 145 char_u *name; | |
| 146 int no_regexp = FALSE; | |
| 147 int error_cur_match = 0; | |
| 148 char_u *command_end; | |
| 149 int save_pos = FALSE; | |
| 150 fmark_T saved_fmark; | |
| 151 int taglen; | |
| 152 #ifdef FEAT_CSCOPE | |
| 153 int jumped_to_tag = FALSE; | |
| 154 #endif | |
| 155 tagptrs_T tagp, tagp2; | |
| 156 int new_num_matches; | |
| 157 char_u **new_matches; | |
| 158 int attr; | |
| 159 int use_tagstack; | |
| 160 int skip_msg = FALSE; | |
| 161 char_u *buf_ffname = curbuf->b_ffname; /* name to use for | |
| 162 priority computation */ | |
| 163 | |
| 164 /* remember the matches for the last used tag */ | |
| 165 static int num_matches = 0; | |
| 166 static int max_num_matches = 0; /* limit used for match search */ | |
| 167 static char_u **matches = NULL; | |
| 168 static int flags; | |
| 169 | |
| 359 | 170 #ifdef EXITFREE |
| 171 if (type == DT_FREE) | |
| 172 { | |
| 173 /* remove the list of matches */ | |
| 174 FreeWild(num_matches, matches); | |
| 175 # ifdef FEAT_CSCOPE | |
| 176 cs_free_tags(); | |
| 177 # endif | |
| 178 num_matches = 0; | |
| 179 return FALSE; | |
| 180 } | |
| 181 #endif | |
| 182 | |
| 7 | 183 if (type == DT_HELP) |
| 184 { | |
| 185 type = DT_TAG; | |
| 186 no_regexp = TRUE; | |
| 187 } | |
| 188 | |
| 189 prev_num_matches = num_matches; | |
| 190 free_string_option(nofile_fname); | |
| 191 nofile_fname = NULL; | |
| 192 | |
| 698 | 193 clearpos(&saved_fmark.mark); /* shutup gcc 4.0 */ |
| 194 saved_fmark.fnum = 0; | |
| 195 | |
| 7 | 196 /* |
| 197 * Don't add a tag to the tagstack if 'tagstack' has been reset. | |
| 198 */ | |
| 199 if ((!p_tgst && *tag != NUL)) | |
| 200 { | |
| 201 use_tagstack = FALSE; | |
| 202 new_tag = TRUE; | |
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203 #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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204 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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205 { |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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206 vim_free(ptag_entry.tagname); |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
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parents:
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diff
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207 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
Christian Brabandt <cb@256bit.org>
parents:
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208 goto end_do_tag; |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
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209 } |
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a2aca019ba48
commit https://github.com/vim/vim/commit/def5abe0a2727041ecee69afdccfca405333bd24
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
210 #endif |
| 7 | 211 } |
| 212 else | |
| 213 { | |
| 214 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 215 if (g_do_tagpreview != 0) |
| 7 | 216 use_tagstack = FALSE; |
| 217 else | |
| 218 #endif | |
| 219 use_tagstack = TRUE; | |
| 220 | |
| 221 /* new pattern, add to the tag stack */ | |
| 845 | 222 if (*tag != NUL |
| 223 && (type == DT_TAG || type == DT_SELECT || type == DT_JUMP | |
| 649 | 224 #ifdef FEAT_QUICKFIX |
| 225 || type == DT_LTAG | |
| 226 #endif | |
| 7 | 227 #ifdef FEAT_CSCOPE |
| 228 || type == DT_CSCOPE | |
| 229 #endif | |
| 230 )) | |
| 231 { | |
| 232 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 233 if (g_do_tagpreview != 0) |
| 7 | 234 { |
| 235 if (ptag_entry.tagname != NULL | |
| 236 && STRCMP(ptag_entry.tagname, tag) == 0) | |
| 237 { | |
| 238 /* Jumping to same tag: keep the current match, so that | |
| 239 * the CursorHold autocommand example works. */ | |
| 240 cur_match = ptag_entry.cur_match; | |
| 241 cur_fnum = ptag_entry.cur_fnum; | |
| 242 } | |
| 243 else | |
| 244 { | |
| 245 vim_free(ptag_entry.tagname); | |
| 246 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) | |
| 247 goto end_do_tag; | |
| 248 } | |
| 249 } | |
| 250 else | |
| 251 #endif | |
| 252 { | |
| 253 /* | |
| 254 * If the last used entry is not at the top, delete all tag | |
| 255 * stack entries above it. | |
| 256 */ | |
| 257 while (tagstackidx < tagstacklen) | |
| 258 vim_free(tagstack[--tagstacklen].tagname); | |
| 259 | |
| 260 /* if the tagstack is full: remove oldest entry */ | |
| 261 if (++tagstacklen > TAGSTACKSIZE) | |
| 262 { | |
| 263 tagstacklen = TAGSTACKSIZE; | |
| 264 vim_free(tagstack[0].tagname); | |
| 265 for (i = 1; i < tagstacklen; ++i) | |
| 266 tagstack[i - 1] = tagstack[i]; | |
| 267 --tagstackidx; | |
| 268 } | |
| 269 | |
| 270 /* | |
| 271 * put the tag name in the tag stack | |
| 272 */ | |
| 273 if ((tagstack[tagstackidx].tagname = vim_strsave(tag)) == NULL) | |
| 274 { | |
| 275 curwin->w_tagstacklen = tagstacklen - 1; | |
| 276 goto end_do_tag; | |
| 277 } | |
| 278 curwin->w_tagstacklen = tagstacklen; | |
| 279 | |
| 280 save_pos = TRUE; /* save the cursor position below */ | |
| 281 } | |
| 282 | |
| 283 new_tag = TRUE; | |
| 284 } | |
| 285 else | |
| 286 { | |
| 287 if ( | |
| 288 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 289 g_do_tagpreview != 0 ? ptag_entry.tagname == NULL : |
| 7 | 290 #endif |
| 291 tagstacklen == 0) | |
| 292 { | |
| 293 /* empty stack */ | |
| 294 EMSG(_(e_tagstack)); | |
| 295 goto end_do_tag; | |
| 296 } | |
| 297 | |
| 298 if (type == DT_POP) /* go to older position */ | |
| 299 { | |
| 300 #ifdef FEAT_FOLDING | |
| 301 int old_KeyTyped = KeyTyped; | |
| 302 #endif | |
| 303 if ((tagstackidx -= count) < 0) | |
| 304 { | |
| 305 EMSG(_(bottommsg)); | |
| 306 if (tagstackidx + count == 0) | |
| 307 { | |
| 308 /* We did [num]^T from the bottom of the stack */ | |
| 309 tagstackidx = 0; | |
| 310 goto end_do_tag; | |
| 311 } | |
| 312 /* We weren't at the bottom of the stack, so jump all the | |
| 313 * way to the bottom now. | |
| 314 */ | |
| 315 tagstackidx = 0; | |
| 316 } | |
| 317 else if (tagstackidx >= tagstacklen) /* count == 0? */ | |
| 318 { | |
| 319 EMSG(_(topmsg)); | |
| 320 goto end_do_tag; | |
| 321 } | |
| 322 | |
| 323 /* Make a copy of the fmark, autocommands may invalidate the | |
| 324 * tagstack before it's used. */ | |
| 325 saved_fmark = tagstack[tagstackidx].fmark; | |
| 326 if (saved_fmark.fnum != curbuf->b_fnum) | |
| 327 { | |
| 328 /* | |
| 329 * Jump to other file. If this fails (e.g. because the | |
| 330 * file was changed) keep original position in tag stack. | |
| 331 */ | |
| 332 if (buflist_getfile(saved_fmark.fnum, saved_fmark.mark.lnum, | |
| 333 GETF_SETMARK, forceit) == FAIL) | |
| 334 { | |
| 335 tagstackidx = oldtagstackidx; /* back to old posn */ | |
| 336 goto end_do_tag; | |
| 337 } | |
| 338 /* An BufReadPost autocommand may jump to the '" mark, but | |
| 339 * we don't what that here. */ | |
| 340 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 341 } | |
| 342 else | |
| 343 { | |
| 344 setpcmark(); | |
| 345 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 346 } | |
| 347 curwin->w_cursor.col = saved_fmark.mark.col; | |
| 348 curwin->w_set_curswant = TRUE; | |
| 349 check_cursor(); | |
| 350 #ifdef FEAT_FOLDING | |
| 351 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 352 foldOpenCursor(); | |
| 353 #endif | |
| 354 | |
| 355 /* remove the old list of matches */ | |
| 356 FreeWild(num_matches, matches); | |
| 357 #ifdef FEAT_CSCOPE | |
| 358 cs_free_tags(); | |
| 359 #endif | |
| 360 num_matches = 0; | |
| 845 | 361 tag_freematch(); |
| 7 | 362 goto end_do_tag; |
| 363 } | |
| 364 | |
| 692 | 365 if (type == DT_TAG |
| 366 #if defined(FEAT_QUICKFIX) | |
| 845 | 367 || type == DT_LTAG |
| 692 | 368 #endif |
| 845 | 369 ) |
| 7 | 370 { |
| 371 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 372 if (g_do_tagpreview != 0) |
| 7 | 373 { |
| 374 cur_match = ptag_entry.cur_match; | |
| 375 cur_fnum = ptag_entry.cur_fnum; | |
| 376 } | |
| 377 else | |
| 378 #endif | |
| 379 { | |
| 380 /* ":tag" (no argument): go to newer pattern */ | |
| 381 save_pos = TRUE; /* save the cursor position below */ | |
| 382 if ((tagstackidx += count - 1) >= tagstacklen) | |
| 383 { | |
| 384 /* | |
| 385 * Beyond the last one, just give an error message and | |
| 386 * go to the last one. Don't store the cursor | |
| 1204 | 387 * position. |
| 7 | 388 */ |
| 389 tagstackidx = tagstacklen - 1; | |
| 390 EMSG(_(topmsg)); | |
| 391 save_pos = FALSE; | |
| 392 } | |
| 393 else if (tagstackidx < 0) /* must have been count == 0 */ | |
| 394 { | |
| 395 EMSG(_(bottommsg)); | |
| 396 tagstackidx = 0; | |
| 397 goto end_do_tag; | |
| 398 } | |
| 399 cur_match = tagstack[tagstackidx].cur_match; | |
| 400 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 401 } | |
| 402 new_tag = TRUE; | |
| 403 } | |
| 404 else /* go to other matching tag */ | |
| 405 { | |
| 406 /* Save index for when selection is cancelled. */ | |
| 407 prevtagstackidx = tagstackidx; | |
| 408 | |
| 409 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 410 if (g_do_tagpreview != 0) |
| 7 | 411 { |
| 412 cur_match = ptag_entry.cur_match; | |
| 413 cur_fnum = ptag_entry.cur_fnum; | |
| 414 } | |
| 415 else | |
| 416 #endif | |
| 417 { | |
| 418 if (--tagstackidx < 0) | |
| 419 tagstackidx = 0; | |
| 420 cur_match = tagstack[tagstackidx].cur_match; | |
| 421 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 422 } | |
| 423 switch (type) | |
| 424 { | |
| 425 case DT_FIRST: cur_match = count - 1; break; | |
| 426 case DT_SELECT: | |
| 427 case DT_JUMP: | |
| 428 #ifdef FEAT_CSCOPE | |
| 429 case DT_CSCOPE: | |
| 430 #endif | |
| 431 case DT_LAST: cur_match = MAXCOL - 1; break; | |
| 432 case DT_NEXT: cur_match += count; break; | |
| 433 case DT_PREV: cur_match -= count; break; | |
| 434 } | |
| 435 if (cur_match >= MAXCOL) | |
| 436 cur_match = MAXCOL - 1; | |
| 437 else if (cur_match < 0) | |
| 438 { | |
| 439 EMSG(_("E425: Cannot go before first matching tag")); | |
| 440 skip_msg = TRUE; | |
| 441 cur_match = 0; | |
| 442 cur_fnum = curbuf->b_fnum; | |
| 443 } | |
| 444 } | |
| 445 } | |
| 446 | |
| 447 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 448 if (g_do_tagpreview != 0) |
| 7 | 449 { |
| 450 if (type != DT_SELECT && type != DT_JUMP) | |
| 451 { | |
| 452 ptag_entry.cur_match = cur_match; | |
| 453 ptag_entry.cur_fnum = cur_fnum; | |
| 454 } | |
| 455 } | |
| 456 else | |
| 457 #endif | |
| 458 { | |
| 459 /* | |
| 460 * For ":tag [arg]" or ":tselect" remember position before the jump. | |
| 461 */ | |
| 462 saved_fmark = tagstack[tagstackidx].fmark; | |
| 463 if (save_pos) | |
| 464 { | |
| 465 tagstack[tagstackidx].fmark.mark = curwin->w_cursor; | |
| 466 tagstack[tagstackidx].fmark.fnum = curbuf->b_fnum; | |
| 467 } | |
| 468 | |
| 469 /* Curwin will change in the call to jumpto_tag() if ":stag" was | |
| 470 * used or an autocommand jumps to another window; store value of | |
| 471 * tagstackidx now. */ | |
| 472 curwin->w_tagstackidx = tagstackidx; | |
| 473 if (type != DT_SELECT && type != DT_JUMP) | |
| 474 { | |
| 475 curwin->w_tagstack[tagstackidx].cur_match = cur_match; | |
| 476 curwin->w_tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 477 } | |
| 478 } | |
| 479 } | |
| 480 | |
| 481 /* When not using the current buffer get the name of buffer "cur_fnum". | |
| 482 * Makes sure that the tag order doesn't change when using a remembered | |
| 483 * position for "cur_match". */ | |
| 484 if (cur_fnum != curbuf->b_fnum) | |
| 485 { | |
| 486 buf_T *buf = buflist_findnr(cur_fnum); | |
| 487 | |
| 488 if (buf != NULL) | |
| 489 buf_ffname = buf->b_ffname; | |
| 490 } | |
| 491 | |
| 492 /* | |
| 493 * Repeat searching for tags, when a file has not been found. | |
| 494 */ | |
| 495 for (;;) | |
| 496 { | |
| 497 /* | |
| 498 * When desired match not found yet, try to find it (and others). | |
| 499 */ | |
| 500 if (use_tagstack) | |
| 501 name = tagstack[tagstackidx].tagname; | |
| 502 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 503 else if (g_do_tagpreview != 0) |
| 7 | 504 name = ptag_entry.tagname; |
| 505 #endif | |
| 506 else | |
| 507 name = tag; | |
| 508 other_name = (tagmatchname == NULL || STRCMP(tagmatchname, name) != 0); | |
| 509 if (new_tag | |
| 510 || (cur_match >= num_matches && max_num_matches != MAXCOL) | |
| 511 || other_name) | |
| 512 { | |
| 513 if (other_name) | |
| 514 { | |
| 515 vim_free(tagmatchname); | |
| 516 tagmatchname = vim_strsave(name); | |
| 517 } | |
| 518 | |
| 6851 | 519 if (type == DT_TAG || type == DT_SELECT || type == DT_JUMP |
| 692 | 520 #if defined(FEAT_QUICKFIX) |
| 521 || type == DT_LTAG | |
| 522 #endif | |
| 523 ) | |
| 7 | 524 cur_match = MAXCOL - 1; |
| 525 max_num_matches = cur_match + 1; | |
| 526 | |
| 527 /* when the argument starts with '/', use it as a regexp */ | |
| 528 if (!no_regexp && *name == '/') | |
| 529 { | |
| 530 flags = TAG_REGEXP; | |
| 531 ++name; | |
| 532 } | |
| 533 else | |
| 534 flags = TAG_NOIC; | |
| 535 | |
| 536 #ifdef FEAT_CSCOPE | |
| 537 if (type == DT_CSCOPE) | |
| 538 flags = TAG_CSCOPE; | |
| 539 #endif | |
| 540 if (verbose) | |
| 541 flags |= TAG_VERBOSE; | |
| 542 if (find_tags(name, &new_num_matches, &new_matches, flags, | |
| 543 max_num_matches, buf_ffname) == OK | |
| 544 && new_num_matches < max_num_matches) | |
| 545 max_num_matches = MAXCOL; /* If less than max_num_matches | |
| 546 found: all matches found. */ | |
| 547 | |
| 548 /* If there already were some matches for the same name, move them | |
| 549 * to the start. Avoids that the order changes when using | |
| 550 * ":tnext" and jumping to another file. */ | |
| 551 if (!new_tag && !other_name) | |
| 552 { | |
| 553 /* Find the position of each old match in the new list. Need | |
| 554 * to use parse_match() to find the tag line. */ | |
| 555 idx = 0; | |
| 556 for (j = 0; j < num_matches; ++j) | |
| 557 { | |
| 558 parse_match(matches[j], &tagp); | |
| 559 for (i = idx; i < new_num_matches; ++i) | |
| 560 { | |
| 561 parse_match(new_matches[i], &tagp2); | |
| 562 if (STRCMP(tagp.tagname, tagp2.tagname) == 0) | |
| 563 { | |
| 564 p = new_matches[i]; | |
| 565 for (k = i; k > idx; --k) | |
| 566 new_matches[k] = new_matches[k - 1]; | |
| 567 new_matches[idx++] = p; | |
| 568 break; | |
| 569 } | |
| 570 } | |
| 571 } | |
| 572 } | |
| 573 FreeWild(num_matches, matches); | |
| 574 num_matches = new_num_matches; | |
| 575 matches = new_matches; | |
| 576 } | |
| 577 | |
| 578 if (num_matches <= 0) | |
| 579 { | |
| 580 if (verbose) | |
| 581 EMSG2(_("E426: tag not found: %s"), name); | |
| 582 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 583 g_do_tagpreview = 0; | |
| 584 #endif | |
| 585 } | |
| 586 else | |
| 587 { | |
| 588 int ask_for_selection = FALSE; | |
| 589 | |
| 590 #ifdef FEAT_CSCOPE | |
| 591 if (type == DT_CSCOPE && num_matches > 1) | |
| 592 { | |
| 593 cs_print_tags(); | |
| 594 ask_for_selection = TRUE; | |
| 595 } | |
| 596 else | |
| 597 #endif | |
| 6851 | 598 if (type == DT_TAG) |
| 599 /* | |
| 600 * If a count is supplied to the ":tag <name>" command, then | |
| 601 * jump to count'th matching tag. | |
| 602 */ | |
| 603 cur_match = count > 0 ? count - 1 : 0; | |
| 604 else if (type == DT_SELECT || (type == DT_JUMP && num_matches > 1)) | |
| 7 | 605 { |
| 606 /* | |
| 607 * List all the matching tags. | |
| 608 * Assume that the first match indicates how long the tags can | |
| 609 * be, and align the file names to that. | |
| 610 */ | |
| 611 parse_match(matches[0], &tagp); | |
| 612 taglen = (int)(tagp.tagname_end - tagp.tagname + 2); | |
| 613 if (taglen < 18) | |
| 614 taglen = 18; | |
| 615 if (taglen > Columns - 25) | |
| 616 taglen = MAXCOL; | |
| 617 if (msg_col == 0) | |
| 618 msg_didout = FALSE; /* overwrite previous message */ | |
| 619 msg_start(); | |
| 620 MSG_PUTS_ATTR(_(" # pri kind tag"), hl_attr(HLF_T)); | |
| 621 msg_clr_eos(); | |
| 622 taglen_advance(taglen); | |
| 623 MSG_PUTS_ATTR(_("file\n"), hl_attr(HLF_T)); | |
| 624 | |
| 1826 | 625 for (i = 0; i < num_matches && !got_int; ++i) |
| 7 | 626 { |
| 627 parse_match(matches[i], &tagp); | |
| 628 if (!new_tag && ( | |
| 629 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 630 (g_do_tagpreview != 0 |
| 7 | 631 && i == ptag_entry.cur_match) || |
| 632 #endif | |
| 633 (use_tagstack | |
| 634 && i == tagstack[tagstackidx].cur_match))) | |
| 635 *IObuff = '>'; | |
| 636 else | |
| 637 *IObuff = ' '; | |
| 273 | 638 vim_snprintf((char *)IObuff + 1, IOSIZE - 1, |
| 639 "%2d %s ", i + 1, | |
| 7 | 640 mt_names[matches[i][0] & MT_MASK]); |
| 641 msg_puts(IObuff); | |
| 642 if (tagp.tagkind != NULL) | |
| 643 msg_outtrans_len(tagp.tagkind, | |
| 644 (int)(tagp.tagkind_end - tagp.tagkind)); | |
| 645 msg_advance(13); | |
| 646 msg_outtrans_len_attr(tagp.tagname, | |
| 647 (int)(tagp.tagname_end - tagp.tagname), | |
| 648 hl_attr(HLF_T)); | |
| 649 msg_putchar(' '); | |
| 650 taglen_advance(taglen); | |
| 651 | |
| 652 /* Find out the actual file name. If it is long, truncate | |
| 653 * it and put "..." in the middle */ | |
| 654 p = tag_full_fname(&tagp); | |
| 655 if (p != NULL) | |
| 656 { | |
| 657 msg_puts_long_attr(p, hl_attr(HLF_D)); | |
| 658 vim_free(p); | |
| 659 } | |
| 660 if (msg_col > 0) | |
| 661 msg_putchar('\n'); | |
| 1826 | 662 if (got_int) |
| 663 break; | |
| 7 | 664 msg_advance(15); |
| 665 | |
| 666 /* print any extra fields */ | |
| 667 command_end = tagp.command_end; | |
| 668 if (command_end != NULL) | |
| 669 { | |
| 670 p = command_end + 3; | |
| 671 while (*p && *p != '\r' && *p != '\n') | |
| 672 { | |
| 673 while (*p == TAB) | |
| 674 ++p; | |
| 675 | |
| 676 /* skip "file:" without a value (static tag) */ | |
| 677 if (STRNCMP(p, "file:", 5) == 0 | |
| 678 && vim_isspace(p[5])) | |
| 679 { | |
| 680 p += 5; | |
| 681 continue; | |
| 682 } | |
| 683 /* skip "kind:<kind>" and "<kind>" */ | |
| 684 if (p == tagp.tagkind | |
| 685 || (p + 5 == tagp.tagkind | |
| 686 && STRNCMP(p, "kind:", 5) == 0)) | |
| 687 { | |
| 688 p = tagp.tagkind_end; | |
| 689 continue; | |
| 690 } | |
| 691 /* print all other extra fields */ | |
| 692 attr = hl_attr(HLF_CM); | |
| 693 while (*p && *p != '\r' && *p != '\n') | |
| 694 { | |
| 695 if (msg_col + ptr2cells(p) >= Columns) | |
| 696 { | |
| 697 msg_putchar('\n'); | |
| 1826 | 698 if (got_int) |
| 699 break; | |
| 7 | 700 msg_advance(15); |
| 701 } | |
| 702 p = msg_outtrans_one(p, attr); | |
| 703 if (*p == TAB) | |
| 704 { | |
| 705 msg_puts_attr((char_u *)" ", attr); | |
| 706 break; | |
| 707 } | |
| 708 if (*p == ':') | |
| 709 attr = 0; | |
| 710 } | |
| 711 } | |
| 712 if (msg_col > 15) | |
| 713 { | |
| 714 msg_putchar('\n'); | |
| 1826 | 715 if (got_int) |
| 716 break; | |
| 7 | 717 msg_advance(15); |
| 718 } | |
| 719 } | |
| 720 else | |
| 721 { | |
| 722 for (p = tagp.command; | |
| 723 *p && *p != '\r' && *p != '\n'; ++p) | |
| 724 ; | |
| 725 command_end = p; | |
| 726 } | |
| 727 | |
| 728 /* | |
| 729 * Put the info (in several lines) at column 15. | |
| 730 * Don't display "/^" and "?^". | |
| 731 */ | |
| 732 p = tagp.command; | |
| 733 if (*p == '/' || *p == '?') | |
| 734 { | |
| 735 ++p; | |
| 736 if (*p == '^') | |
| 737 ++p; | |
| 738 } | |
| 739 /* Remove leading whitespace from pattern */ | |
| 740 while (p != command_end && vim_isspace(*p)) | |
| 741 ++p; | |
| 742 | |
| 743 while (p != command_end) | |
| 744 { | |
| 745 if (msg_col + (*p == TAB ? 1 : ptr2cells(p)) > Columns) | |
| 746 msg_putchar('\n'); | |
| 1826 | 747 if (got_int) |
| 748 break; | |
| 7 | 749 msg_advance(15); |
| 750 | |
| 5792 | 751 /* skip backslash used for escaping a command char or |
| 752 * a backslash */ | |
| 753 if (*p == '\\' && (*(p + 1) == *tagp.command | |
| 754 || *(p + 1) == '\\')) | |
| 7 | 755 ++p; |
| 756 | |
| 757 if (*p == TAB) | |
| 758 { | |
| 759 msg_putchar(' '); | |
| 760 ++p; | |
| 761 } | |
| 762 else | |
| 763 p = msg_outtrans_one(p, 0); | |
| 764 | |
| 765 /* don't display the "$/;\"" and "$?;\"" */ | |
| 766 if (p == command_end - 2 && *p == '$' | |
| 767 && *(p + 1) == *tagp.command) | |
| 768 break; | |
| 769 /* don't display matching '/' or '?' */ | |
| 770 if (p == command_end - 1 && *p == *tagp.command | |
| 771 && (*p == '/' || *p == '?')) | |
| 772 break; | |
| 773 } | |
| 774 if (msg_col) | |
| 775 msg_putchar('\n'); | |
| 776 ui_breakcheck(); | |
| 777 } | |
| 1826 | 778 if (got_int) |
| 779 got_int = FALSE; /* only stop the listing */ | |
| 7 | 780 ask_for_selection = TRUE; |
| 781 } | |
| 649 | 782 #if defined(FEAT_QUICKFIX) && defined(FEAT_EVAL) |
| 692 | 783 else if (type == DT_LTAG) |
| 649 | 784 { |
| 785 list_T *list; | |
| 786 char_u tag_name[128 + 1]; | |
| 2770 | 787 char_u *fname; |
| 788 char_u *cmd; | |
| 649 | 789 |
| 790 /* | |
| 791 * Add the matching tags to the location list for the current | |
| 792 * window. | |
| 793 */ | |
| 794 | |
| 2770 | 795 fname = alloc(MAXPATHL + 1); |
| 796 cmd = alloc(CMDBUFFSIZE + 1); | |
| 649 | 797 list = list_alloc(); |
| 2770 | 798 if (list == NULL || fname == NULL || cmd == NULL) |
| 799 { | |
| 800 vim_free(cmd); | |
| 801 vim_free(fname); | |
| 802 if (list != NULL) | |
|
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8524
diff
changeset
|
803 list_free(list); |
| 649 | 804 goto end_do_tag; |
| 2770 | 805 } |
| 649 | 806 |
| 807 for (i = 0; i < num_matches; ++i) | |
| 808 { | |
| 809 int len, cmd_len; | |
| 810 long lnum; | |
| 811 dict_T *dict; | |
| 812 | |
| 813 parse_match(matches[i], &tagp); | |
| 814 | |
| 815 /* Save the tag name */ | |
| 835 | 816 len = (int)(tagp.tagname_end - tagp.tagname); |
| 649 | 817 if (len > 128) |
| 818 len = 128; | |
| 819 vim_strncpy(tag_name, tagp.tagname, len); | |
| 820 tag_name[len] = NUL; | |
| 821 | |
| 822 /* Save the tag file name */ | |
| 823 p = tag_full_fname(&tagp); | |
| 824 if (p == NULL) | |
| 825 continue; | |
| 2768 | 826 vim_strncpy(fname, p, MAXPATHL); |
| 649 | 827 vim_free(p); |
| 828 | |
| 829 /* | |
| 830 * Get the line number or the search pattern used to locate | |
| 831 * the tag. | |
| 832 */ | |
| 833 lnum = 0; | |
| 834 if (isdigit(*tagp.command)) | |
| 835 /* Line number is used to locate the tag */ | |
| 836 lnum = atol((char *)tagp.command); | |
| 837 else | |
| 838 { | |
| 839 char_u *cmd_start, *cmd_end; | |
| 840 | |
| 841 /* Search pattern is used to locate the tag */ | |
| 842 | |
| 843 /* Locate the end of the command */ | |
| 844 cmd_start = tagp.command; | |
| 845 cmd_end = tagp.command_end; | |
| 846 if (cmd_end == NULL) | |
| 847 { | |
| 848 for (p = tagp.command; | |
| 849 *p && *p != '\r' && *p != '\n'; ++p) | |
| 850 ; | |
| 851 cmd_end = p; | |
| 852 } | |
| 692 | 853 |
| 649 | 854 /* |
| 855 * Now, cmd_end points to the character after the | |
| 856 * command. Adjust it to point to the last | |
| 857 * character of the command. | |
| 858 */ | |
| 859 cmd_end--; | |
| 860 | |
| 861 /* | |
| 862 * Skip the '/' and '?' characters at the | |
| 863 * beginning and end of the search pattern. | |
| 864 */ | |
| 865 if (*cmd_start == '/' || *cmd_start == '?') | |
| 866 cmd_start++; | |
| 867 | |
| 868 if (*cmd_end == '/' || *cmd_end == '?') | |
| 869 cmd_end--; | |
| 870 | |
| 871 len = 0; | |
| 872 cmd[0] = NUL; | |
| 873 | |
| 874 /* | |
| 875 * If "^" is present in the tag search pattern, then | |
| 876 * copy it first. | |
| 877 */ | |
| 878 if (*cmd_start == '^') | |
| 879 { | |
| 880 STRCPY(cmd, "^"); | |
| 881 cmd_start++; | |
| 882 len++; | |
| 883 } | |
| 884 | |
| 885 /* | |
| 886 * Precede the tag pattern with \V to make it very | |
| 887 * nomagic. | |
| 888 */ | |
| 889 STRCAT(cmd, "\\V"); | |
| 890 len += 2; | |
| 891 | |
| 835 | 892 cmd_len = (int)(cmd_end - cmd_start + 1); |
| 649 | 893 if (cmd_len > (CMDBUFFSIZE - 5)) |
| 894 cmd_len = CMDBUFFSIZE - 5; | |
| 895 STRNCAT(cmd, cmd_start, cmd_len); | |
| 896 len += cmd_len; | |
| 897 | |
| 898 if (cmd[len - 1] == '$') | |
| 899 { | |
| 692 | 900 /* |
| 649 | 901 * Replace '$' at the end of the search pattern |
| 902 * with '\$' | |
| 903 */ | |
| 904 cmd[len - 1] = '\\'; | |
| 905 cmd[len] = '$'; | |
| 906 len++; | |
| 907 } | |
| 908 | |
| 909 cmd[len] = NUL; | |
| 910 } | |
| 911 | |
| 912 if ((dict = dict_alloc()) == NULL) | |
| 913 continue; | |
| 914 if (list_append_dict(list, dict) == FAIL) | |
| 915 { | |
| 916 vim_free(dict); | |
| 917 continue; | |
| 918 } | |
| 919 | |
| 920 dict_add_nr_str(dict, "text", 0L, tag_name); | |
| 921 dict_add_nr_str(dict, "filename", 0L, fname); | |
| 922 dict_add_nr_str(dict, "lnum", lnum, NULL); | |
| 923 if (lnum == 0) | |
| 924 dict_add_nr_str(dict, "pattern", 0L, cmd); | |
| 925 } | |
| 926 | |
| 2533 | 927 vim_snprintf((char *)IObuff, IOSIZE, "ltag %s", tag); |
|
2530
9fe4164cb586
Fix: :ltag command did not set w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
928 set_errorlist(curwin, list, ' ', IObuff); |
| 649 | 929 |
|
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8524
diff
changeset
|
930 list_free(list); |
| 2770 | 931 vim_free(fname); |
| 932 vim_free(cmd); | |
| 692 | 933 |
| 934 cur_match = 0; /* Jump to the first tag */ | |
| 649 | 935 } |
| 936 #endif | |
| 7 | 937 |
| 938 if (ask_for_selection == TRUE) | |
| 939 { | |
| 940 /* | |
| 941 * Ask to select a tag from the list. | |
| 942 */ | |
| 373 | 943 i = prompt_for_number(NULL); |
| 7 | 944 if (i <= 0 || i > num_matches || got_int) |
| 945 { | |
| 946 /* no valid choice: don't change anything */ | |
| 947 if (use_tagstack) | |
| 948 { | |
| 949 tagstack[tagstackidx].fmark = saved_fmark; | |
| 950 tagstackidx = prevtagstackidx; | |
| 951 } | |
| 952 #ifdef FEAT_CSCOPE | |
| 953 cs_free_tags(); | |
| 954 jumped_to_tag = TRUE; | |
| 955 #endif | |
| 956 break; | |
| 957 } | |
| 958 cur_match = i - 1; | |
| 959 } | |
| 960 | |
| 961 if (cur_match >= num_matches) | |
| 962 { | |
| 963 /* Avoid giving this error when a file wasn't found and we're | |
| 964 * looking for a match in another file, which wasn't found. | |
| 965 * There will be an EMSG("file doesn't exist") below then. */ | |
| 966 if ((type == DT_NEXT || type == DT_FIRST) | |
| 967 && nofile_fname == NULL) | |
| 968 { | |
| 969 if (num_matches == 1) | |
| 970 EMSG(_("E427: There is only one matching tag")); | |
| 971 else | |
| 972 EMSG(_("E428: Cannot go beyond last matching tag")); | |
| 973 skip_msg = TRUE; | |
| 974 } | |
| 975 cur_match = num_matches - 1; | |
| 976 } | |
| 977 if (use_tagstack) | |
| 978 { | |
| 979 tagstack[tagstackidx].cur_match = cur_match; | |
| 980 tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 981 ++tagstackidx; | |
| 982 } | |
| 983 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 984 else if (g_do_tagpreview != 0) |
| 7 | 985 { |
| 986 ptag_entry.cur_match = cur_match; | |
| 987 ptag_entry.cur_fnum = cur_fnum; | |
| 988 } | |
| 989 #endif | |
| 990 | |
| 991 /* | |
| 992 * Only when going to try the next match, report that the previous | |
| 993 * file didn't exist. Otherwise an EMSG() is given below. | |
| 994 */ | |
| 995 if (nofile_fname != NULL && error_cur_match != cur_match) | |
| 273 | 996 smsg((char_u *)_("File \"%s\" does not exist"), nofile_fname); |
| 7 | 997 |
| 998 | |
| 999 ic = (matches[cur_match][0] & MT_IC_OFF); | |
| 6851 | 1000 if (type != DT_TAG && type != DT_SELECT && type != DT_JUMP |
| 7 | 1001 #ifdef FEAT_CSCOPE |
| 1002 && type != DT_CSCOPE | |
| 1003 #endif | |
| 1004 && (num_matches > 1 || ic) | |
| 1005 && !skip_msg) | |
| 1006 { | |
| 1007 /* Give an indication of the number of matching tags */ | |
| 1008 sprintf((char *)IObuff, _("tag %d of %d%s"), | |
| 1009 cur_match + 1, | |
| 1010 num_matches, | |
| 1011 max_num_matches != MAXCOL ? _(" or more") : ""); | |
| 1012 if (ic) | |
| 1013 STRCAT(IObuff, _(" Using tag with different case!")); | |
| 1014 if ((num_matches > prev_num_matches || new_tag) | |
| 1015 && num_matches > 1) | |
| 1016 { | |
| 1017 if (ic) | |
| 1018 msg_attr(IObuff, hl_attr(HLF_W)); | |
| 1019 else | |
| 1020 msg(IObuff); | |
| 1021 msg_scroll = TRUE; /* don't overwrite this message */ | |
| 1022 } | |
| 1023 else | |
| 1024 give_warning(IObuff, ic); | |
| 1025 if (ic && !msg_scrolled && msg_silent == 0) | |
| 1026 { | |
| 1027 out_flush(); | |
| 1028 ui_delay(1000L, TRUE); | |
| 1029 } | |
| 1030 } | |
| 1031 | |
| 589 | 1032 #ifdef FEAT_AUTOCMD |
| 1033 /* Let the SwapExists event know what tag we are jumping to. */ | |
| 1034 vim_snprintf((char *)IObuff, IOSIZE, ":ta %s\r", name); | |
| 1035 set_vim_var_string(VV_SWAPCOMMAND, IObuff, -1); | |
| 1036 #endif | |
| 1037 | |
| 7 | 1038 /* |
| 1039 * Jump to the desired match. | |
| 1040 */ | |
| 589 | 1041 i = jumpto_tag(matches[cur_match], forceit, type != DT_CSCOPE); |
| 1042 | |
| 1043 #ifdef FEAT_AUTOCMD | |
| 1044 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); | |
| 1045 #endif | |
| 1046 | |
| 1047 if (i == NOTAGFILE) | |
| 7 | 1048 { |
| 1049 /* File not found: try again with another matching tag */ | |
| 1050 if ((type == DT_PREV && cur_match > 0) | |
| 1051 || ((type == DT_TAG || type == DT_NEXT | |
| 1052 || type == DT_FIRST) | |
| 1053 && (max_num_matches != MAXCOL | |
| 1054 || cur_match < num_matches - 1))) | |
| 1055 { | |
| 1056 error_cur_match = cur_match; | |
| 1057 if (use_tagstack) | |
| 1058 --tagstackidx; | |
| 1059 if (type == DT_PREV) | |
| 1060 --cur_match; | |
| 1061 else | |
| 1062 { | |
| 1063 type = DT_NEXT; | |
| 1064 ++cur_match; | |
| 1065 } | |
| 1066 continue; | |
| 1067 } | |
| 1068 EMSG2(_("E429: File \"%s\" does not exist"), nofile_fname); | |
| 1069 } | |
| 1070 else | |
| 1071 { | |
| 1072 /* We may have jumped to another window, check that | |
| 1073 * tagstackidx is still valid. */ | |
| 1074 if (use_tagstack && tagstackidx > curwin->w_tagstacklen) | |
| 1075 tagstackidx = curwin->w_tagstackidx; | |
| 1076 #ifdef FEAT_CSCOPE | |
| 1077 jumped_to_tag = TRUE; | |
| 1078 #endif | |
| 1079 } | |
| 1080 } | |
| 1081 break; | |
| 1082 } | |
| 1083 | |
| 1084 end_do_tag: | |
| 1085 /* Only store the new index when using the tagstack and it's valid. */ | |
| 1086 if (use_tagstack && tagstackidx <= curwin->w_tagstacklen) | |
| 1087 curwin->w_tagstackidx = tagstackidx; | |
| 1088 #ifdef FEAT_WINDOWS | |
| 1089 postponed_split = 0; /* don't split next time */ | |
| 1090 #endif | |
| 1091 | |
| 1092 #ifdef FEAT_CSCOPE | |
| 1093 return jumped_to_tag; | |
| 1094 #else | |
| 1095 return FALSE; | |
| 1096 #endif | |
| 1097 } | |
| 1098 | |
| 1099 /* | |
| 1100 * Free cached tags. | |
| 1101 */ | |
| 1102 void | |
|
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1103 tag_freematch(void) |
| 7 | 1104 { |
| 1105 vim_free(tagmatchname); | |
| 1106 tagmatchname = NULL; | |
| 1107 } | |
| 1108 | |
| 1109 static void | |
|
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1110 taglen_advance(int l) |
| 7 | 1111 { |
| 1112 if (l == MAXCOL) | |
| 1113 { | |
| 1114 msg_putchar('\n'); | |
| 1115 msg_advance(24); | |
| 1116 } | |
| 1117 else | |
| 1118 msg_advance(13 + l); | |
| 1119 } | |
| 1120 | |
| 1121 /* | |
| 1122 * Print the tag stack | |
| 1123 */ | |
| 1124 void | |
|
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1125 do_tags(exarg_T *eap UNUSED) |
| 7 | 1126 { |
| 1127 int i; | |
| 1128 char_u *name; | |
| 1129 taggy_T *tagstack = curwin->w_tagstack; | |
| 1130 int tagstackidx = curwin->w_tagstackidx; | |
| 1131 int tagstacklen = curwin->w_tagstacklen; | |
| 1132 | |
| 1133 /* Highlight title */ | |
| 1134 MSG_PUTS_TITLE(_("\n # TO tag FROM line in file/text")); | |
| 1135 for (i = 0; i < tagstacklen; ++i) | |
| 1136 { | |
| 1137 if (tagstack[i].tagname != NULL) | |
| 1138 { | |
| 1139 name = fm_getname(&(tagstack[i].fmark), 30); | |
| 1140 if (name == NULL) /* file name not available */ | |
| 1141 continue; | |
| 1142 | |
| 1143 msg_putchar('\n'); | |
| 1144 sprintf((char *)IObuff, "%c%2d %2d %-15s %5ld ", | |
| 1145 i == tagstackidx ? '>' : ' ', | |
| 1146 i + 1, | |
| 1147 tagstack[i].cur_match + 1, | |
| 1148 tagstack[i].tagname, | |
| 1149 tagstack[i].fmark.mark.lnum); | |
| 1150 msg_outtrans(IObuff); | |
| 1151 msg_outtrans_attr(name, tagstack[i].fmark.fnum == curbuf->b_fnum | |
| 1152 ? hl_attr(HLF_D) : 0); | |
| 1153 vim_free(name); | |
| 1154 } | |
| 1155 out_flush(); /* show one line at a time */ | |
| 1156 } | |
| 1157 if (tagstackidx == tagstacklen) /* idx at top of stack */ | |
| 1158 MSG_PUTS("\n>"); | |
| 1159 } | |
| 1160 | |
| 1161 /* When not using a CR for line separator, use vim_fgets() to read tag lines. | |
| 1162 * For the Mac use tag_fgets(). It can handle any line separator, but is much | |
| 1163 * slower than vim_fgets(). | |
| 1164 */ | |
| 1165 #ifndef USE_CR | |
| 1166 # define tag_fgets vim_fgets | |
| 1167 #endif | |
| 1168 | |
| 1169 #ifdef FEAT_TAG_BINS | |
|
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1170 static int tag_strnicmp(char_u *s1, char_u *s2, size_t len); |
| 7 | 1171 |
| 1172 /* | |
| 1173 * Compare two strings, for length "len", ignoring case the ASCII way. | |
| 1174 * return 0 for match, < 0 for smaller, > 0 for bigger | |
| 1175 * Make sure case is folded to uppercase in comparison (like for 'sort -f') | |
| 1176 */ | |
| 1177 static int | |
|
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1178 tag_strnicmp(char_u *s1, char_u *s2, size_t len) |
| 7 | 1179 { |
| 1180 int i; | |
| 1181 | |
| 1182 while (len > 0) | |
| 1183 { | |
| 1184 i = (int)TOUPPER_ASC(*s1) - (int)TOUPPER_ASC(*s2); | |
| 1185 if (i != 0) | |
| 1186 return i; /* this character different */ | |
| 1187 if (*s1 == NUL) | |
| 1188 break; /* strings match until NUL */ | |
| 1189 ++s1; | |
| 1190 ++s2; | |
| 1191 --len; | |
| 1192 } | |
| 1193 return 0; /* strings match */ | |
| 1194 } | |
| 1195 #endif | |
| 1196 | |
| 1197 /* | |
| 1198 * Structure to hold info about the tag pattern being used. | |
| 1199 */ | |
| 1200 typedef struct | |
| 1201 { | |
| 1202 char_u *pat; /* the pattern */ | |
| 1203 int len; /* length of pat[] */ | |
| 1204 char_u *head; /* start of pattern head */ | |
| 1205 int headlen; /* length of head[] */ | |
| 1206 regmatch_T regmatch; /* regexp program, may be NULL */ | |
| 1207 } pat_T; | |
| 1208 | |
|
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1209 static void prepare_pats(pat_T *pats, int has_re); |
| 7 | 1210 |
| 1211 /* | |
| 1212 * Extract info from the tag search pattern "pats->pat". | |
| 1213 */ | |
| 1214 static void | |
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1215 prepare_pats(pat_T *pats, int has_re) |
| 7 | 1216 { |
| 1217 pats->head = pats->pat; | |
| 1218 pats->headlen = pats->len; | |
| 1219 if (has_re) | |
| 1220 { | |
| 1221 /* When the pattern starts with '^' or "\\<", binary searching can be | |
| 1222 * used (much faster). */ | |
| 1223 if (pats->pat[0] == '^') | |
| 1224 pats->head = pats->pat + 1; | |
| 1225 else if (pats->pat[0] == '\\' && pats->pat[1] == '<') | |
| 1226 pats->head = pats->pat + 2; | |
| 1227 if (pats->head == pats->pat) | |
| 1228 pats->headlen = 0; | |
| 1229 else | |
| 1230 for (pats->headlen = 0; pats->head[pats->headlen] != NUL; | |
| 1231 ++pats->headlen) | |
| 1232 if (vim_strchr((char_u *)(p_magic ? ".[~*\\$" : "\\$"), | |
| 1233 pats->head[pats->headlen]) != NULL) | |
| 1234 break; | |
| 1235 if (p_tl != 0 && pats->headlen > p_tl) /* adjust for 'taglength' */ | |
| 1236 pats->headlen = p_tl; | |
| 1237 } | |
| 1238 | |
| 1239 if (has_re) | |
| 1240 pats->regmatch.regprog = vim_regcomp(pats->pat, p_magic ? RE_MAGIC : 0); | |
| 1241 else | |
| 1242 pats->regmatch.regprog = NULL; | |
| 1243 } | |
| 1244 | |
| 1245 /* | |
| 1246 * find_tags() - search for tags in tags files | |
| 1247 * | |
| 1248 * Return FAIL if search completely failed (*num_matches will be 0, *matchesp | |
| 1249 * will be NULL), OK otherwise. | |
| 1250 * | |
| 1251 * There is a priority in which type of tag is recognized. | |
| 1252 * | |
| 1253 * 6. A static or global tag with a full matching tag for the current file. | |
| 1254 * 5. A global tag with a full matching tag for another file. | |
| 1255 * 4. A static tag with a full matching tag for another file. | |
| 1256 * 3. A static or global tag with an ignore-case matching tag for the | |
| 1257 * current file. | |
| 1258 * 2. A global tag with an ignore-case matching tag for another file. | |
| 1259 * 1. A static tag with an ignore-case matching tag for another file. | |
| 1260 * | |
| 1261 * Tags in an emacs-style tags file are always global. | |
| 1262 * | |
| 1263 * flags: | |
| 1264 * TAG_HELP only search for help tags | |
| 1265 * TAG_NAMES only return name of tag | |
| 1266 * TAG_REGEXP use "pat" as a regexp | |
| 1267 * TAG_NOIC don't always ignore case | |
| 1268 * TAG_KEEP_LANG keep language | |
| 1269 */ | |
| 1270 int | |
|
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1271 find_tags( |
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1272 char_u *pat, /* pattern to search for */ |
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1273 int *num_matches, /* return: number of matches found */ |
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1274 char_u ***matchesp, /* return: array of matches found */ |
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1275 int flags, |
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1276 int mincount, /* MAXCOL: find all matches |
| 7 | 1277 other: minimal number of matches */ |
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1278 char_u *buf_ffname) /* name of buffer for priority */ |
| 7 | 1279 { |
| 1280 FILE *fp; | |
| 1281 char_u *lbuf; /* line buffer */ | |
| 3131 | 1282 int lbuf_size = LSIZE; /* length of lbuf */ |
| 7 | 1283 char_u *tag_fname; /* name of tag file */ |
| 692 | 1284 tagname_T tn; /* info for get_tagfname() */ |
| 7 | 1285 int first_file; /* trying first tag file */ |
| 1286 tagptrs_T tagp; | |
| 1287 int did_open = FALSE; /* did open a tag file */ | |
| 1288 int stop_searching = FALSE; /* stop when match found or error */ | |
| 1289 int retval = FAIL; /* return value */ | |
| 1290 int is_static; /* current tag line is static */ | |
| 1291 int is_current; /* file name matches */ | |
| 1292 int eof = FALSE; /* found end-of-file */ | |
| 1293 char_u *p; | |
| 1294 char_u *s; | |
| 1295 int i; | |
| 1296 #ifdef FEAT_TAG_BINS | |
| 3131 | 1297 int tag_file_sorted = NUL; /* !_TAG_FILE_SORTED value */ |
| 7 | 1298 struct tag_search_info /* Binary search file offsets */ |
| 1299 { | |
| 1300 off_t low_offset; /* offset for first char of first line that | |
| 1301 could match */ | |
| 1302 off_t high_offset; /* offset of char after last line that could | |
| 1303 match */ | |
| 1304 off_t curr_offset; /* Current file offset in search range */ | |
| 1305 off_t curr_offset_used; /* curr_offset used when skipping back */ | |
| 1306 off_t match_offset; /* Where the binary search found a tag */ | |
| 1307 int low_char; /* first char at low_offset */ | |
| 1308 int high_char; /* first char at high_offset */ | |
| 1309 } search_info; | |
| 1310 off_t filesize; | |
| 1311 int tagcmp; | |
| 1312 off_t offset; | |
| 1313 int round; | |
| 1314 #endif | |
| 1315 enum | |
| 1316 { | |
| 1317 TS_START, /* at start of file */ | |
| 1318 TS_LINEAR /* linear searching forward, till EOF */ | |
| 1319 #ifdef FEAT_TAG_BINS | |
| 1320 , TS_BINARY, /* binary searching */ | |
| 1321 TS_SKIP_BACK, /* skipping backwards */ | |
| 1322 TS_STEP_FORWARD /* stepping forwards */ | |
| 1323 #endif | |
| 1324 } state; /* Current search state */ | |
| 1325 | |
| 1326 int cmplen; | |
| 1327 int match; /* matches */ | |
| 1328 int match_no_ic = 0;/* matches with rm_ic == FALSE */ | |
| 1329 int match_re; /* match with regexp */ | |
| 1330 int matchoff = 0; | |
| 5513 | 1331 int save_emsg_off; |
| 7 | 1332 |
| 1333 #ifdef FEAT_EMACS_TAGS | |
| 1334 /* | |
| 1335 * Stack for included emacs-tags file. | |
| 1336 * It has a fixed size, to truncate cyclic includes. jw | |
| 1337 */ | |
| 1338 # define INCSTACK_SIZE 42 | |
| 1339 struct | |
| 1340 { | |
| 1341 FILE *fp; | |
| 1342 char_u *etag_fname; | |
| 1343 } incstack[INCSTACK_SIZE]; | |
| 1344 | |
| 1345 int incstack_idx = 0; /* index in incstack */ | |
| 1204 | 1346 char_u *ebuf; /* additional buffer for etag fname */ |
| 7 | 1347 int is_etag; /* current file is emaces style */ |
| 1348 #endif | |
| 1349 | |
| 1350 struct match_found | |
| 1351 { | |
| 1352 int len; /* nr of chars of match[] to be compared */ | |
| 1353 char_u match[1]; /* actually longer */ | |
| 1354 } *mfp, *mfp2; | |
| 1355 garray_T ga_match[MT_COUNT]; | |
| 1356 int match_count = 0; /* number of matches found */ | |
| 1357 char_u **matches; | |
| 1358 int mtt; | |
| 1359 int help_save; | |
| 1360 #ifdef FEAT_MULTI_LANG | |
| 1361 int help_pri = 0; | |
| 1362 char_u *help_lang_find = NULL; /* lang to be found */ | |
| 1363 char_u help_lang[3]; /* lang of current tags file */ | |
| 1364 char_u *saved_pat = NULL; /* copy of pat[] */ | |
| 1365 #endif | |
| 1366 | |
| 1367 pat_T orgpat; /* holds unconverted pattern info */ | |
| 1368 #ifdef FEAT_MBYTE | |
| 1369 vimconv_T vimconv; | |
| 1370 #endif | |
| 1371 | |
| 1372 #ifdef FEAT_TAG_BINS | |
| 1373 int findall = (mincount == MAXCOL || mincount == TAG_MANY); | |
| 1374 /* find all matching tags */ | |
| 1375 int sort_error = FALSE; /* tags file not sorted */ | |
| 1376 int linear; /* do a linear search */ | |
| 1377 int sortic = FALSE; /* tag file sorted in nocase */ | |
| 1378 #endif | |
| 1379 int line_error = FALSE; /* syntax error */ | |
| 1380 int has_re = (flags & TAG_REGEXP); /* regexp used */ | |
| 1381 int help_only = (flags & TAG_HELP); | |
| 1382 int name_only = (flags & TAG_NAMES); | |
| 1383 int noic = (flags & TAG_NOIC); | |
| 1384 int get_it_again = FALSE; | |
| 1385 #ifdef FEAT_CSCOPE | |
| 1386 int use_cscope = (flags & TAG_CSCOPE); | |
| 1387 #endif | |
| 1388 int verbose = (flags & TAG_VERBOSE); | |
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1389 int save_p_ic = p_ic; |
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1390 |
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1391 /* |
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1392 * Change the value of 'ignorecase' according to 'tagcase' for the |
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1393 * duration of this function. |
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1394 */ |
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commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1395 switch (curbuf->b_tc_flags ? curbuf->b_tc_flags : tc_flags) |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1396 { |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1397 case TC_FOLLOWIC: break; |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1398 case TC_IGNORE: p_ic = TRUE; break; |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1399 case TC_MATCH: p_ic = FALSE; break; |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
1400 } |
| 7 | 1401 |
| 1402 help_save = curbuf->b_help; | |
| 1403 orgpat.pat = pat; | |
| 1404 #ifdef FEAT_MBYTE | |
| 1405 vimconv.vc_type = CONV_NONE; | |
| 1406 #endif | |
| 1407 | |
| 1408 /* | |
| 1409 * Allocate memory for the buffers that are used | |
| 1410 */ | |
| 3131 | 1411 lbuf = alloc(lbuf_size); |
| 7 | 1412 tag_fname = alloc(MAXPATHL + 1); |
| 1413 #ifdef FEAT_EMACS_TAGS | |
| 1414 ebuf = alloc(LSIZE); | |
| 1415 #endif | |
| 1416 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 1417 ga_init2(&ga_match[mtt], (int)sizeof(struct match_found *), 100); | |
| 1418 | |
| 1419 /* check for out of memory situation */ | |
| 1420 if (lbuf == NULL || tag_fname == NULL | |
| 1421 #ifdef FEAT_EMACS_TAGS | |
| 1422 || ebuf == NULL | |
| 1423 #endif | |
| 1424 ) | |
| 1425 goto findtag_end; | |
| 1426 | |
| 1427 #ifdef FEAT_CSCOPE | |
| 1428 STRCPY(tag_fname, "from cscope"); /* for error messages */ | |
| 1429 #endif | |
| 1430 | |
| 1431 /* | |
| 1432 * Initialize a few variables | |
| 1433 */ | |
| 1434 if (help_only) /* want tags from help file */ | |
| 1435 curbuf->b_help = TRUE; /* will be restored later */ | |
| 1436 | |
| 3131 | 1437 orgpat.len = (int)STRLEN(pat); |
| 7 | 1438 #ifdef FEAT_MULTI_LANG |
| 1439 if (curbuf->b_help) | |
| 1440 { | |
| 1441 /* When "@ab" is specified use only the "ab" language, otherwise | |
| 1442 * search all languages. */ | |
| 3131 | 1443 if (orgpat.len > 3 && pat[orgpat.len - 3] == '@' |
| 1444 && ASCII_ISALPHA(pat[orgpat.len - 2]) | |
| 1445 && ASCII_ISALPHA(pat[orgpat.len - 1])) | |
| 7 | 1446 { |
| 3131 | 1447 saved_pat = vim_strnsave(pat, orgpat.len - 3); |
| 7 | 1448 if (saved_pat != NULL) |
| 1449 { | |
| 3131 | 1450 help_lang_find = &pat[orgpat.len - 2]; |
| 1451 orgpat.pat = saved_pat; | |
| 1452 orgpat.len -= 3; | |
| 7 | 1453 } |
| 1454 } | |
| 1455 } | |
| 1456 #endif | |
| 3131 | 1457 if (p_tl != 0 && orgpat.len > p_tl) /* adjust for 'taglength' */ |
| 1458 orgpat.len = p_tl; | |
| 1459 | |
| 5513 | 1460 save_emsg_off = emsg_off; |
| 1461 emsg_off = TRUE; /* don't want error for invalid RE here */ | |
| 3131 | 1462 prepare_pats(&orgpat, has_re); |
| 5513 | 1463 emsg_off = save_emsg_off; |
| 3784 | 1464 if (has_re && orgpat.regmatch.regprog == NULL) |
| 1465 goto findtag_end; | |
| 7 | 1466 |
| 1467 #ifdef FEAT_TAG_BINS | |
| 1468 /* This is only to avoid a compiler warning for using search_info | |
| 1469 * uninitialised. */ | |
| 1470 vim_memset(&search_info, 0, (size_t)1); | |
| 1471 #endif | |
| 1472 | |
| 413 | 1473 /* |
| 1474 * When finding a specified number of matches, first try with matching | |
| 1475 * case, so binary search can be used, and try ignore-case matches in a | |
| 1476 * second loop. | |
| 1477 * When finding all matches, 'tagbsearch' is off, or there is no fixed | |
| 1478 * string to look for, ignore case right away to avoid going though the | |
| 1479 * tags files twice. | |
| 1480 * When the tag file is case-fold sorted, it is either one or the other. | |
| 1481 * Only ignore case when TAG_NOIC not used or 'ignorecase' set. | |
| 1482 */ | |
| 7 | 1483 #ifdef FEAT_TAG_BINS |
| 3131 | 1484 orgpat.regmatch.rm_ic = ((p_ic || !noic) |
| 1485 && (findall || orgpat.headlen == 0 || !p_tbs)); | |
| 7 | 1486 for (round = 1; round <= 2; ++round) |
| 1487 { | |
| 3131 | 1488 linear = (orgpat.headlen == 0 || !p_tbs || round == 2); |
| 7 | 1489 #else |
| 3131 | 1490 orgpat.regmatch.rm_ic = (p_ic || !noic); |
| 7 | 1491 #endif |
| 1492 | |
| 1493 /* | |
| 1494 * Try tag file names from tags option one by one. | |
| 1495 */ | |
| 1496 for (first_file = TRUE; | |
| 1497 #ifdef FEAT_CSCOPE | |
| 1498 use_cscope || | |
| 1499 #endif | |
| 692 | 1500 get_tagfname(&tn, first_file, tag_fname) == OK; |
| 1501 first_file = FALSE) | |
| 7 | 1502 { |
| 1503 /* | |
| 1504 * A file that doesn't exist is silently ignored. Only when not a | |
| 1505 * single file is found, an error message is given (further on). | |
| 1506 */ | |
| 1507 #ifdef FEAT_CSCOPE | |
| 1508 if (use_cscope) | |
| 1509 fp = NULL; /* avoid GCC warning */ | |
| 1510 else | |
| 1511 #endif | |
| 1512 { | |
| 1513 #ifdef FEAT_MULTI_LANG | |
| 1514 if (curbuf->b_help) | |
| 1515 { | |
| 1516 /* Prefer help tags according to 'helplang'. Put the | |
| 1517 * two-letter language name in help_lang[]. */ | |
| 835 | 1518 i = (int)STRLEN(tag_fname); |
| 7 | 1519 if (i > 3 && tag_fname[i - 3] == '-') |
| 1520 STRCPY(help_lang, tag_fname + i - 2); | |
| 1521 else | |
| 1522 STRCPY(help_lang, "en"); | |
| 1523 | |
| 1524 /* When searching for a specific language skip tags files | |
| 1525 * for other languages. */ | |
| 1526 if (help_lang_find != NULL | |
| 1527 && STRICMP(help_lang, help_lang_find) != 0) | |
| 1528 continue; | |
| 1529 | |
| 1530 /* For CTRL-] in a help file prefer a match with the same | |
| 1531 * language. */ | |
| 1532 if ((flags & TAG_KEEP_LANG) | |
| 1533 && help_lang_find == NULL | |
| 1534 && curbuf->b_fname != NULL | |
| 835 | 1535 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
| 7 | 1536 && curbuf->b_fname[i - 1] == 'x' |
| 1537 && curbuf->b_fname[i - 4] == '.' | |
| 1538 && STRNICMP(curbuf->b_fname + i - 3, help_lang, 2) == 0) | |
| 1539 help_pri = 0; | |
| 1540 else | |
| 1541 { | |
| 1542 help_pri = 1; | |
| 1543 for (s = p_hlg; *s != NUL; ++s) | |
| 1544 { | |
| 1545 if (STRNICMP(s, help_lang, 2) == 0) | |
| 1546 break; | |
| 1547 ++help_pri; | |
| 1548 if ((s = vim_strchr(s, ',')) == NULL) | |
| 1549 break; | |
| 1550 } | |
| 1551 if (s == NULL || *s == NUL) | |
| 1552 { | |
| 1553 /* Language not in 'helplang': use last, prefer English, | |
| 1554 * unless found already. */ | |
| 1555 ++help_pri; | |
| 1556 if (STRICMP(help_lang, "en") != 0) | |
| 1557 ++help_pri; | |
| 1558 } | |
| 1559 } | |
| 1560 } | |
| 1561 #endif | |
| 1562 | |
| 1563 if ((fp = mch_fopen((char *)tag_fname, "r")) == NULL) | |
| 1564 continue; | |
| 1565 | |
| 1566 if (p_verbose >= 5) | |
| 292 | 1567 { |
| 1568 verbose_enter(); | |
| 273 | 1569 smsg((char_u *)_("Searching tags file %s"), tag_fname); |
| 292 | 1570 verbose_leave(); |
| 1571 } | |
| 7 | 1572 } |
| 1573 did_open = TRUE; /* remember that we found at least one file */ | |
| 1574 | |
| 1575 state = TS_START; /* we're at the start of the file */ | |
| 1576 #ifdef FEAT_EMACS_TAGS | |
| 1577 is_etag = 0; /* default is: not emacs style */ | |
| 1578 #endif | |
| 1579 | |
| 1580 /* | |
| 1581 * Read and parse the lines in the file one by one | |
| 1582 */ | |
| 1583 for (;;) | |
| 1584 { | |
| 1585 line_breakcheck(); /* check for CTRL-C typed */ | |
| 1586 #ifdef FEAT_INS_EXPAND | |
| 1587 if ((flags & TAG_INS_COMP)) /* Double brackets for gcc */ | |
| 464 | 1588 ins_compl_check_keys(30); |
| 449 | 1589 if (got_int || compl_interrupted) |
| 7 | 1590 #else |
| 1591 if (got_int) | |
| 1592 #endif | |
| 1593 { | |
| 1594 stop_searching = TRUE; | |
| 1595 break; | |
| 1596 } | |
| 1597 /* When mincount is TAG_MANY, stop when enough matches have been | |
| 1598 * found (for completion). */ | |
| 1599 if (mincount == TAG_MANY && match_count >= TAG_MANY) | |
| 1600 { | |
| 1601 stop_searching = TRUE; | |
| 1602 retval = OK; | |
| 1603 break; | |
| 1604 } | |
| 1605 if (get_it_again) | |
| 1606 goto line_read_in; | |
| 1607 #ifdef FEAT_TAG_BINS | |
| 1608 /* | |
| 1609 * For binary search: compute the next offset to use. | |
| 1610 */ | |
| 1611 if (state == TS_BINARY) | |
| 1612 { | |
| 1613 offset = search_info.low_offset + ((search_info.high_offset | |
| 1614 - search_info.low_offset) / 2); | |
| 1615 if (offset == search_info.curr_offset) | |
| 1616 break; /* End the binary search without a match. */ | |
| 1617 else | |
| 1618 search_info.curr_offset = offset; | |
| 1619 } | |
| 1620 | |
| 1621 /* | |
| 1622 * Skipping back (after a match during binary search). | |
| 1623 */ | |
| 1624 else if (state == TS_SKIP_BACK) | |
| 1625 { | |
| 1626 search_info.curr_offset -= LSIZE * 2; | |
| 1627 if (search_info.curr_offset < 0) | |
| 1628 { | |
| 1629 search_info.curr_offset = 0; | |
| 1630 rewind(fp); | |
| 1631 state = TS_STEP_FORWARD; | |
| 1632 } | |
| 1633 } | |
| 1634 | |
| 1635 /* | |
| 1636 * When jumping around in the file, first read a line to find the | |
| 1637 * start of the next line. | |
| 1638 */ | |
| 1639 if (state == TS_BINARY || state == TS_SKIP_BACK) | |
| 1640 { | |
| 1641 /* Adjust the search file offset to the correct position */ | |
| 1642 search_info.curr_offset_used = search_info.curr_offset; | |
| 1643 #ifdef HAVE_FSEEKO | |
| 1644 fseeko(fp, search_info.curr_offset, SEEK_SET); | |
| 1645 #else | |
| 1646 fseek(fp, (long)search_info.curr_offset, SEEK_SET); | |
| 1647 #endif | |
| 1648 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1649 if (!eof && search_info.curr_offset != 0) | |
| 1650 { | |
| 1146 | 1651 /* The explicit cast is to work around a bug in gcc 3.4.2 |
| 1652 * (repeated below). */ | |
| 7 | 1653 search_info.curr_offset = ftell(fp); |
| 1654 if (search_info.curr_offset == search_info.high_offset) | |
| 1655 { | |
| 1656 /* oops, gone a bit too far; try from low offset */ | |
| 1657 #ifdef HAVE_FSEEKO | |
| 1658 fseeko(fp, search_info.low_offset, SEEK_SET); | |
| 1659 #else | |
| 1660 fseek(fp, (long)search_info.low_offset, SEEK_SET); | |
| 1661 #endif | |
| 1662 search_info.curr_offset = search_info.low_offset; | |
| 1663 } | |
| 1664 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1665 } | |
| 1666 /* skip empty and blank lines */ | |
| 1667 while (!eof && vim_isblankline(lbuf)) | |
| 1668 { | |
| 1669 search_info.curr_offset = ftell(fp); | |
| 1670 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1671 } | |
| 1672 if (eof) | |
| 1673 { | |
| 1674 /* Hit end of file. Skip backwards. */ | |
| 1675 state = TS_SKIP_BACK; | |
| 1676 search_info.match_offset = ftell(fp); | |
| 1677 search_info.curr_offset = search_info.curr_offset_used; | |
| 1678 continue; | |
| 1679 } | |
| 1680 } | |
| 1681 | |
| 1682 /* | |
| 1683 * Not jumping around in the file: Read the next line. | |
| 1684 */ | |
| 1685 else | |
| 1686 #endif | |
| 1687 { | |
| 1688 /* skip empty and blank lines */ | |
| 1689 do | |
| 1690 { | |
| 1691 #ifdef FEAT_CSCOPE | |
| 1692 if (use_cscope) | |
| 1693 eof = cs_fgets(lbuf, LSIZE); | |
| 1694 else | |
| 1695 #endif | |
| 1696 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1697 } while (!eof && vim_isblankline(lbuf)); | |
| 1698 | |
| 1699 if (eof) | |
| 1700 { | |
| 1701 #ifdef FEAT_EMACS_TAGS | |
| 1702 if (incstack_idx) /* this was an included file */ | |
| 1703 { | |
| 1704 --incstack_idx; | |
| 1705 fclose(fp); /* end of this file ... */ | |
| 1706 fp = incstack[incstack_idx].fp; | |
| 1707 STRCPY(tag_fname, incstack[incstack_idx].etag_fname); | |
| 1708 vim_free(incstack[incstack_idx].etag_fname); | |
| 1709 is_etag = 1; /* (only etags can include) */ | |
| 1710 continue; /* ... continue with parent file */ | |
| 1711 } | |
| 1712 else | |
| 1713 #endif | |
| 1714 break; /* end of file */ | |
| 1715 } | |
| 1716 } | |
| 1717 line_read_in: | |
| 1718 | |
| 3131 | 1719 #ifdef FEAT_MBYTE |
| 1720 if (vimconv.vc_type != CONV_NONE) | |
| 1721 { | |
| 1722 char_u *conv_line; | |
| 1723 int len; | |
| 1724 | |
| 1725 /* Convert every line. Converting the pattern from 'enc' to | |
| 1726 * the tags file encoding doesn't work, because characters are | |
| 1727 * not recognized. */ | |
| 1728 conv_line = string_convert(&vimconv, lbuf, NULL); | |
| 1729 if (conv_line != NULL) | |
| 1730 { | |
| 1731 /* Copy or swap lbuf and conv_line. */ | |
| 1732 len = (int)STRLEN(conv_line) + 1; | |
| 1733 if (len > lbuf_size) | |
| 1734 { | |
| 1735 vim_free(lbuf); | |
| 1736 lbuf = conv_line; | |
| 1737 lbuf_size = len; | |
| 1738 } | |
| 1739 else | |
| 1740 { | |
| 1741 STRCPY(lbuf, conv_line); | |
| 1742 vim_free(conv_line); | |
| 1743 } | |
| 1744 } | |
| 1745 } | |
| 1746 #endif | |
| 1747 | |
| 1748 | |
| 7 | 1749 #ifdef FEAT_EMACS_TAGS |
| 1750 /* | |
| 1751 * Emacs tags line with CTRL-L: New file name on next line. | |
| 1752 * The file name is followed by a ','. | |
| 1753 */ | |
| 1754 if (*lbuf == Ctrl_L) /* remember etag file name in ebuf */ | |
| 1755 { | |
| 1756 is_etag = 1; /* in case at the start */ | |
| 1757 state = TS_LINEAR; | |
| 1758 if (!tag_fgets(ebuf, LSIZE, fp)) | |
| 1759 { | |
| 1760 for (p = ebuf; *p && *p != ','; p++) | |
| 1761 ; | |
| 1762 *p = NUL; | |
| 1763 | |
| 1764 /* | |
| 1765 * atoi(p+1) is the number of bytes before the next ^L | |
| 1766 * unless it is an include statement. | |
| 1767 */ | |
| 1768 if (STRNCMP(p + 1, "include", 7) == 0 | |
| 1769 && incstack_idx < INCSTACK_SIZE) | |
| 1770 { | |
| 1771 /* Save current "fp" and "tag_fname" in the stack. */ | |
| 1772 if ((incstack[incstack_idx].etag_fname = | |
| 1773 vim_strsave(tag_fname)) != NULL) | |
| 1774 { | |
| 1775 char_u *fullpath_ebuf; | |
| 1776 | |
| 1777 incstack[incstack_idx].fp = fp; | |
| 1778 fp = NULL; | |
| 1779 | |
| 1780 /* Figure out "tag_fname" and "fp" to use for | |
| 1781 * included file. */ | |
| 1782 fullpath_ebuf = expand_tag_fname(ebuf, | |
| 1783 tag_fname, FALSE); | |
| 1784 if (fullpath_ebuf != NULL) | |
| 1785 { | |
| 1786 fp = mch_fopen((char *)fullpath_ebuf, "r"); | |
| 1787 if (fp != NULL) | |
| 1788 { | |
| 1789 if (STRLEN(fullpath_ebuf) > LSIZE) | |
| 1790 EMSG2(_("E430: Tag file path truncated for %s\n"), ebuf); | |
| 418 | 1791 vim_strncpy(tag_fname, fullpath_ebuf, |
| 1792 MAXPATHL); | |
| 7 | 1793 ++incstack_idx; |
| 1794 is_etag = 0; /* we can include anything */ | |
| 1795 } | |
| 1796 vim_free(fullpath_ebuf); | |
| 1797 } | |
| 1798 if (fp == NULL) | |
| 1799 { | |
| 1800 /* Can't open the included file, skip it and | |
| 1801 * restore old value of "fp". */ | |
| 1802 fp = incstack[incstack_idx].fp; | |
| 1803 vim_free(incstack[incstack_idx].etag_fname); | |
| 1804 } | |
| 1805 } | |
| 1806 } | |
| 1807 } | |
| 1808 continue; | |
| 1809 } | |
| 1810 #endif | |
| 1811 | |
| 1812 /* | |
| 1813 * When still at the start of the file, check for Emacs tags file | |
| 1814 * format, and for "not sorted" flag. | |
| 1815 */ | |
| 1816 if (state == TS_START) | |
| 1817 { | |
| 5328 | 1818 /* The header ends when the line sorts below "!_TAG_". When |
| 1819 * case is folded lower case letters sort before "_". */ | |
|
4914
1707ddb6f5ae
updated for version 7.3.1202
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1820 if (STRNCMP(lbuf, "!_TAG_", 6) <= 0 |
|
1707ddb6f5ae
updated for version 7.3.1202
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1821 || (lbuf[0] == '!' && ASCII_ISLOWER(lbuf[1]))) |
| 3131 | 1822 { |
| 5328 | 1823 if (STRNCMP(lbuf, "!_TAG_", 6) != 0) |
| 1824 /* Non-header item before the header, e.g. "!" itself. | |
| 1825 */ | |
| 1826 goto parse_line; | |
| 1827 | |
| 3131 | 1828 /* |
| 1829 * Read header line. | |
| 1830 */ | |
| 1831 #ifdef FEAT_TAG_BINS | |
| 1832 if (STRNCMP(lbuf, "!_TAG_FILE_SORTED\t", 18) == 0) | |
| 1833 tag_file_sorted = lbuf[18]; | |
| 1834 #endif | |
| 1835 #ifdef FEAT_MBYTE | |
| 1836 if (STRNCMP(lbuf, "!_TAG_FILE_ENCODING\t", 20) == 0) | |
| 1837 { | |
| 1838 /* Prepare to convert every line from the specified | |
| 1839 * encoding to 'encoding'. */ | |
| 1840 for (p = lbuf + 20; *p > ' ' && *p < 127; ++p) | |
| 1841 ; | |
| 1842 *p = NUL; | |
| 1843 convert_setup(&vimconv, lbuf + 20, p_enc); | |
| 1844 } | |
| 1845 #endif | |
| 1846 | |
| 1847 /* Read the next line. Unrecognized flags are ignored. */ | |
| 1848 continue; | |
| 1849 } | |
| 1850 | |
| 1851 /* Headers ends. */ | |
| 1852 | |
| 7 | 1853 #ifdef FEAT_TAG_BINS |
| 1854 /* | |
| 1855 * When there is no tag head, or ignoring case, need to do a | |
| 1856 * linear search. | |
| 1857 * When no "!_TAG_" is found, default to binary search. If | |
| 1858 * the tag file isn't sorted, the second loop will find it. | |
| 1859 * When "!_TAG_FILE_SORTED" found: start binary search if | |
| 1860 * flag set. | |
| 1861 * For cscope, it's always linear. | |
| 1862 */ | |
| 1863 # ifdef FEAT_CSCOPE | |
| 1864 if (linear || use_cscope) | |
| 1865 # else | |
| 1866 if (linear) | |
| 1867 # endif | |
| 1868 state = TS_LINEAR; | |
| 3131 | 1869 else if (tag_file_sorted == NUL) |
| 7 | 1870 state = TS_BINARY; |
| 3131 | 1871 else if (tag_file_sorted == '1') |
| 7 | 1872 state = TS_BINARY; |
| 3131 | 1873 else if (tag_file_sorted == '2') |
| 1874 { | |
| 1875 state = TS_BINARY; | |
| 1876 sortic = TRUE; | |
| 1877 orgpat.regmatch.rm_ic = (p_ic || !noic); | |
| 7 | 1878 } |
| 3131 | 1879 else |
| 1880 state = TS_LINEAR; | |
| 1881 | |
| 1882 if (state == TS_BINARY && orgpat.regmatch.rm_ic && !sortic) | |
| 7 | 1883 { |
| 3206 | 1884 /* Binary search won't work for ignoring case, use linear |
| 7 | 1885 * search. */ |
| 1886 linear = TRUE; | |
| 1887 state = TS_LINEAR; | |
| 1888 } | |
| 1889 #else | |
| 1890 state = TS_LINEAR; | |
| 1891 #endif | |
| 1892 | |
| 1893 #ifdef FEAT_TAG_BINS | |
| 1894 /* | |
| 1895 * When starting a binary search, get the size of the file and | |
| 1896 * compute the first offset. | |
| 1897 */ | |
| 1898 if (state == TS_BINARY) | |
| 1899 { | |
| 1900 /* Get the tag file size (don't use mch_fstat(), it's not | |
| 1901 * portable). */ | |
| 1902 if ((filesize = lseek(fileno(fp), | |
| 1903 (off_t)0L, SEEK_END)) <= 0) | |
| 1904 state = TS_LINEAR; | |
| 1905 else | |
| 1906 { | |
| 1907 lseek(fileno(fp), (off_t)0L, SEEK_SET); | |
| 1908 | |
| 1909 /* Calculate the first read offset in the file. Start | |
| 1910 * the search in the middle of the file. */ | |
| 1911 search_info.low_offset = 0; | |
| 1912 search_info.low_char = 0; | |
| 1913 search_info.high_offset = filesize; | |
| 1914 search_info.curr_offset = 0; | |
| 1915 search_info.high_char = 0xff; | |
| 1916 } | |
| 1917 continue; | |
| 1918 } | |
| 1919 #endif | |
| 1920 } | |
| 1921 | |
| 5328 | 1922 parse_line: |
| 7 | 1923 /* |
| 1924 * Figure out where the different strings are in this line. | |
| 1925 * For "normal" tags: Do a quick check if the tag matches. | |
| 1926 * This speeds up tag searching a lot! | |
| 1927 */ | |
| 3131 | 1928 if (orgpat.headlen |
| 7 | 1929 #ifdef FEAT_EMACS_TAGS |
| 1930 && !is_etag | |
| 1931 #endif | |
| 1932 ) | |
| 1933 { | |
| 1934 tagp.tagname = lbuf; | |
| 1935 #ifdef FEAT_TAG_ANYWHITE | |
| 1936 tagp.tagname_end = skiptowhite(lbuf); | |
| 3192 | 1937 if (*tagp.tagname_end == NUL) |
| 7 | 1938 #else |
| 1939 tagp.tagname_end = vim_strchr(lbuf, TAB); | |
| 3192 | 1940 if (tagp.tagname_end == NULL) |
| 7 | 1941 #endif |
| 1942 { | |
| 3192 | 1943 if (vim_strchr(lbuf, NL) == NULL) |
| 1944 { | |
| 1945 /* Truncated line, ignore it. Has been reported for | |
| 1946 * Mozilla JS with extremely long names. */ | |
| 1947 if (p_verbose >= 5) | |
| 1948 { | |
| 1949 verbose_enter(); | |
| 1950 MSG(_("Ignoring long line in tags file")); | |
| 1951 verbose_leave(); | |
| 1952 } | |
| 3206 | 1953 #ifdef FEAT_TAG_BINS |
| 1954 if (state != TS_LINEAR) | |
| 1955 { | |
| 1956 /* Avoid getting stuck. */ | |
| 1957 linear = TRUE; | |
| 1958 state = TS_LINEAR; | |
| 1959 # ifdef HAVE_FSEEKO | |
| 1960 fseeko(fp, search_info.low_offset, SEEK_SET); | |
| 1961 # else | |
| 1962 fseek(fp, (long)search_info.low_offset, SEEK_SET); | |
| 1963 # endif | |
| 1964 } | |
| 1965 #endif | |
| 3192 | 1966 continue; |
| 1967 } | |
| 1968 | |
| 1969 /* Corrupted tag line. */ | |
| 7 | 1970 line_error = TRUE; |
| 1971 break; | |
| 1972 } | |
| 1973 | |
| 1974 #ifdef FEAT_TAG_OLDSTATIC | |
| 1975 /* | |
| 1976 * Check for old style static tag: "file:tag file .." | |
| 1977 */ | |
| 1978 tagp.fname = NULL; | |
| 1979 for (p = lbuf; p < tagp.tagname_end; ++p) | |
| 1980 { | |
| 1981 if (*p == ':') | |
| 1982 { | |
| 1983 if (tagp.fname == NULL) | |
| 1984 #ifdef FEAT_TAG_ANYWHITE | |
| 1985 tagp.fname = skipwhite(tagp.tagname_end); | |
| 1986 #else | |
| 1987 tagp.fname = tagp.tagname_end + 1; | |
| 1988 #endif | |
| 1989 if ( fnamencmp(lbuf, tagp.fname, p - lbuf) == 0 | |
| 1990 #ifdef FEAT_TAG_ANYWHITE | |
| 1991 && vim_iswhite(tagp.fname[p - lbuf]) | |
| 1992 #else | |
| 1993 && tagp.fname[p - lbuf] == TAB | |
| 1994 #endif | |
| 1995 ) | |
| 1996 { | |
| 1997 /* found one */ | |
| 1998 tagp.tagname = p + 1; | |
| 1999 break; | |
| 2000 } | |
| 2001 } | |
| 2002 } | |
| 2003 #endif | |
| 2004 | |
| 2005 /* | |
| 2006 * Skip this line if the length of the tag is different and | |
| 2007 * there is no regexp, or the tag is too short. | |
| 2008 */ | |
| 2009 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2010 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2011 cmplen = p_tl; | |
| 3131 | 2012 if (has_re && orgpat.headlen < cmplen) |
| 2013 cmplen = orgpat.headlen; | |
| 2014 else if (state == TS_LINEAR && orgpat.headlen != cmplen) | |
| 7 | 2015 continue; |
| 2016 | |
| 2017 #ifdef FEAT_TAG_BINS | |
| 2018 if (state == TS_BINARY) | |
| 2019 { | |
| 2020 /* | |
| 2021 * Simplistic check for unsorted tags file. | |
| 2022 */ | |
| 2023 i = (int)tagp.tagname[0]; | |
| 2024 if (sortic) | |
| 2025 i = (int)TOUPPER_ASC(tagp.tagname[0]); | |
| 2026 if (i < search_info.low_char || i > search_info.high_char) | |
| 2027 sort_error = TRUE; | |
| 2028 | |
| 2029 /* | |
| 2030 * Compare the current tag with the searched tag. | |
| 2031 */ | |
| 2032 if (sortic) | |
| 3131 | 2033 tagcmp = tag_strnicmp(tagp.tagname, orgpat.head, |
| 7 | 2034 (size_t)cmplen); |
| 2035 else | |
| 3131 | 2036 tagcmp = STRNCMP(tagp.tagname, orgpat.head, cmplen); |
| 7 | 2037 |
| 2038 /* | |
| 2039 * A match with a shorter tag means to search forward. | |
| 2040 * A match with a longer tag means to search backward. | |
| 2041 */ | |
| 2042 if (tagcmp == 0) | |
| 2043 { | |
| 3131 | 2044 if (cmplen < orgpat.headlen) |
| 7 | 2045 tagcmp = -1; |
| 3131 | 2046 else if (cmplen > orgpat.headlen) |
| 7 | 2047 tagcmp = 1; |
| 2048 } | |
| 2049 | |
| 2050 if (tagcmp == 0) | |
| 2051 { | |
| 2052 /* We've located the tag, now skip back and search | |
| 2053 * forward until the first matching tag is found. | |
| 2054 */ | |
| 2055 state = TS_SKIP_BACK; | |
| 2056 search_info.match_offset = search_info.curr_offset; | |
| 2057 continue; | |
| 2058 } | |
| 2059 if (tagcmp < 0) | |
| 2060 { | |
| 2061 search_info.curr_offset = ftell(fp); | |
| 2062 if (search_info.curr_offset < search_info.high_offset) | |
| 2063 { | |
| 2064 search_info.low_offset = search_info.curr_offset; | |
| 2065 if (sortic) | |
| 2066 search_info.low_char = | |
| 2067 TOUPPER_ASC(tagp.tagname[0]); | |
| 2068 else | |
| 2069 search_info.low_char = tagp.tagname[0]; | |
| 2070 continue; | |
| 2071 } | |
| 2072 } | |
| 2073 if (tagcmp > 0 | |
| 2074 && search_info.curr_offset != search_info.high_offset) | |
| 2075 { | |
| 2076 search_info.high_offset = search_info.curr_offset; | |
| 2077 if (sortic) | |
| 2078 search_info.high_char = | |
| 2079 TOUPPER_ASC(tagp.tagname[0]); | |
| 2080 else | |
| 2081 search_info.high_char = tagp.tagname[0]; | |
| 2082 continue; | |
| 2083 } | |
| 2084 | |
| 2085 /* No match yet and are at the end of the binary search. */ | |
| 2086 break; | |
| 2087 } | |
| 2088 else if (state == TS_SKIP_BACK) | |
| 2089 { | |
| 3131 | 2090 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2091 state = TS_STEP_FORWARD; |
| 2092 else | |
| 2093 /* Have to skip back more. Restore the curr_offset | |
| 2094 * used, otherwise we get stuck at a long line. */ | |
| 2095 search_info.curr_offset = search_info.curr_offset_used; | |
| 2096 continue; | |
| 2097 } | |
| 2098 else if (state == TS_STEP_FORWARD) | |
| 2099 { | |
| 3131 | 2100 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2101 { |
| 2102 if ((off_t)ftell(fp) > search_info.match_offset) | |
| 2103 break; /* past last match */ | |
| 2104 else | |
| 2105 continue; /* before first match */ | |
| 2106 } | |
| 2107 } | |
| 2108 else | |
| 2109 #endif | |
| 2110 /* skip this match if it can't match */ | |
| 3131 | 2111 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2112 continue; |
| 2113 | |
| 2114 /* | |
| 2115 * Can be a matching tag, isolate the file name and command. | |
| 2116 */ | |
| 2117 #ifdef FEAT_TAG_OLDSTATIC | |
| 2118 if (tagp.fname == NULL) | |
| 2119 #endif | |
| 2120 #ifdef FEAT_TAG_ANYWHITE | |
| 2121 tagp.fname = skipwhite(tagp.tagname_end); | |
| 2122 #else | |
| 2123 tagp.fname = tagp.tagname_end + 1; | |
| 2124 #endif | |
| 2125 #ifdef FEAT_TAG_ANYWHITE | |
| 2126 tagp.fname_end = skiptowhite(tagp.fname); | |
| 2127 tagp.command = skipwhite(tagp.fname_end); | |
| 2128 if (*tagp.command == NUL) | |
| 2129 #else | |
| 2130 tagp.fname_end = vim_strchr(tagp.fname, TAB); | |
| 2131 tagp.command = tagp.fname_end + 1; | |
| 2132 if (tagp.fname_end == NULL) | |
| 2133 #endif | |
| 2134 i = FAIL; | |
| 2135 else | |
| 2136 i = OK; | |
| 2137 } | |
| 2138 else | |
| 2139 i = parse_tag_line(lbuf, | |
| 2140 #ifdef FEAT_EMACS_TAGS | |
| 2141 is_etag, | |
| 2142 #endif | |
| 2143 &tagp); | |
| 2144 if (i == FAIL) | |
| 2145 { | |
| 2146 line_error = TRUE; | |
| 2147 break; | |
| 2148 } | |
| 2149 | |
| 2150 #ifdef FEAT_EMACS_TAGS | |
| 2151 if (is_etag) | |
| 2152 tagp.fname = ebuf; | |
| 2153 #endif | |
| 2154 /* | |
| 2155 * First try matching with the pattern literally (also when it is | |
| 2156 * a regexp). | |
| 2157 */ | |
| 2158 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2159 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2160 cmplen = p_tl; | |
| 2161 /* if tag length does not match, don't try comparing */ | |
| 3131 | 2162 if (orgpat.len != cmplen) |
| 7 | 2163 match = FALSE; |
| 2164 else | |
| 2165 { | |
| 3131 | 2166 if (orgpat.regmatch.rm_ic) |
| 7 | 2167 { |
| 3131 | 2168 match = (MB_STRNICMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2169 if (match) |
| 3131 | 2170 match_no_ic = (STRNCMP(tagp.tagname, orgpat.pat, |
| 7 | 2171 cmplen) == 0); |
| 2172 } | |
| 2173 else | |
| 3131 | 2174 match = (STRNCMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2175 } |
| 2176 | |
| 2177 /* | |
| 2178 * Has a regexp: Also find tags matching regexp. | |
| 2179 */ | |
| 2180 match_re = FALSE; | |
| 3131 | 2181 if (!match && orgpat.regmatch.regprog != NULL) |
| 7 | 2182 { |
| 2183 int cc; | |
| 2184 | |
| 2185 cc = *tagp.tagname_end; | |
| 2186 *tagp.tagname_end = NUL; | |
| 3131 | 2187 match = vim_regexec(&orgpat.regmatch, tagp.tagname, (colnr_T)0); |
| 7 | 2188 if (match) |
| 2189 { | |
| 3131 | 2190 matchoff = (int)(orgpat.regmatch.startp[0] - tagp.tagname); |
| 2191 if (orgpat.regmatch.rm_ic) | |
| 7 | 2192 { |
| 3131 | 2193 orgpat.regmatch.rm_ic = FALSE; |
| 2194 match_no_ic = vim_regexec(&orgpat.regmatch, tagp.tagname, | |
| 7 | 2195 (colnr_T)0); |
| 3131 | 2196 orgpat.regmatch.rm_ic = TRUE; |
| 7 | 2197 } |
| 2198 } | |
| 2199 *tagp.tagname_end = cc; | |
| 2200 match_re = TRUE; | |
| 2201 } | |
| 2202 | |
| 2203 /* | |
| 2204 * If a match is found, add it to ga_match[]. | |
| 2205 */ | |
| 2206 if (match) | |
| 2207 { | |
| 2208 #ifdef FEAT_CSCOPE | |
| 2209 if (use_cscope) | |
| 2210 { | |
| 2211 /* Don't change the ordering, always use the same table. */ | |
| 2212 mtt = MT_GL_OTH; | |
| 2213 } | |
| 2214 else | |
| 2215 #endif | |
| 2216 { | |
| 2217 /* Decide in which array to store this match. */ | |
| 2218 is_current = test_for_current( | |
| 2219 #ifdef FEAT_EMACS_TAGS | |
| 2220 is_etag, | |
| 2221 #endif | |
| 2222 tagp.fname, tagp.fname_end, tag_fname, | |
| 2223 buf_ffname); | |
| 2224 #ifdef FEAT_EMACS_TAGS | |
| 2225 is_static = FALSE; | |
| 2226 if (!is_etag) /* emacs tags are never static */ | |
| 2227 #endif | |
| 2228 { | |
| 2229 #ifdef FEAT_TAG_OLDSTATIC | |
| 2230 if (tagp.tagname != lbuf) | |
| 2231 is_static = TRUE; /* detected static tag before */ | |
| 2232 else | |
| 2233 #endif | |
| 2234 is_static = test_for_static(&tagp); | |
| 2235 } | |
| 2236 | |
| 2237 /* decide in which of the sixteen tables to store this | |
| 2238 * match */ | |
| 2239 if (is_static) | |
| 2240 { | |
| 2241 if (is_current) | |
| 2242 mtt = MT_ST_CUR; | |
| 2243 else | |
| 2244 mtt = MT_ST_OTH; | |
| 2245 } | |
| 2246 else | |
| 2247 { | |
| 2248 if (is_current) | |
| 2249 mtt = MT_GL_CUR; | |
| 2250 else | |
| 2251 mtt = MT_GL_OTH; | |
| 2252 } | |
| 3131 | 2253 if (orgpat.regmatch.rm_ic && !match_no_ic) |
| 7 | 2254 mtt += MT_IC_OFF; |
| 2255 if (match_re) | |
| 2256 mtt += MT_RE_OFF; | |
| 2257 } | |
| 2258 | |
| 2259 /* | |
| 2260 * Add the found match in ga_match[mtt], avoiding duplicates. | |
| 2261 * Store the info we need later, which depends on the kind of | |
| 2262 * tags we are dealing with. | |
| 2263 */ | |
| 2264 if (ga_grow(&ga_match[mtt], 1) == OK) | |
| 2265 { | |
| 3263 | 2266 int len; |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2267 int heuristic; |
| 3263 | 2268 |
| 7 | 2269 if (help_only) |
| 2270 { | |
| 2271 #ifdef FEAT_MULTI_LANG | |
| 2272 # define ML_EXTRA 3 | |
| 2273 #else | |
| 2274 # define ML_EXTRA 0 | |
| 2275 #endif | |
| 2276 /* | |
| 2277 * Append the help-heuristic number after the | |
| 2278 * tagname, for sorting it later. | |
| 2279 */ | |
| 2280 *tagp.tagname_end = NUL; | |
| 2281 len = (int)(tagp.tagname_end - tagp.tagname); | |
| 2282 mfp = (struct match_found *) | |
| 2283 alloc((int)sizeof(struct match_found) + len | |
| 2284 + 10 + ML_EXTRA); | |
| 2285 if (mfp != NULL) | |
| 2286 { | |
| 2287 /* "len" includes the language and the NUL, but | |
| 2288 * not the priority. */ | |
| 2289 mfp->len = len + ML_EXTRA + 1; | |
| 2290 #define ML_HELP_LEN 6 | |
| 2291 p = mfp->match; | |
| 2292 STRCPY(p, tagp.tagname); | |
| 2293 #ifdef FEAT_MULTI_LANG | |
| 2294 p[len] = '@'; | |
| 2295 STRCPY(p + len + 1, help_lang); | |
| 2296 #endif | |
|
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commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2297 |
|
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2298 heuristic = help_heuristic(tagp.tagname, |
|
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2299 match_re ? matchoff : 0, !match_no_ic); |
| 7 | 2300 #ifdef FEAT_MULTI_LANG |
|
9068
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2301 heuristic += help_pri; |
| 7 | 2302 #endif |
|
9068
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2303 sprintf((char *)p + len + 1 + ML_EXTRA, "%06d", |
|
0a3bc9fdea20
commit https://github.com/vim/vim/commit/827b165b2aebad2cfe98cc6d5804c6c0fe8afd89
Christian Brabandt <cb@256bit.org>
parents:
8930
diff
changeset
|
2304 heuristic); |
| 7 | 2305 } |
| 2306 *tagp.tagname_end = TAB; | |
| 2307 } | |
| 2308 else if (name_only) | |
| 2309 { | |
| 2310 if (get_it_again) | |
| 2311 { | |
| 2312 char_u *temp_end = tagp.command; | |
| 2313 | |
| 2314 if (*temp_end == '/') | |
| 2315 while (*temp_end && *temp_end != '\r' | |
| 2316 && *temp_end != '\n' | |
| 2317 && *temp_end != '$') | |
| 2318 temp_end++; | |
| 2319 | |
| 2320 if (tagp.command + 2 < temp_end) | |
| 2321 { | |
| 2322 len = (int)(temp_end - tagp.command - 2); | |
| 2323 mfp = (struct match_found *)alloc( | |
| 2324 (int)sizeof(struct match_found) + len); | |
| 2325 if (mfp != NULL) | |
| 2326 { | |
| 2327 mfp->len = len + 1; /* include the NUL */ | |
| 2328 p = mfp->match; | |
| 418 | 2329 vim_strncpy(p, tagp.command + 2, len); |
| 7 | 2330 } |
| 2331 } | |
| 2332 else | |
| 2333 mfp = NULL; | |
| 2334 get_it_again = FALSE; | |
| 2335 } | |
| 2336 else | |
| 2337 { | |
| 2338 len = (int)(tagp.tagname_end - tagp.tagname); | |
| 2339 mfp = (struct match_found *)alloc( | |
| 2340 (int)sizeof(struct match_found) + len); | |
| 2341 if (mfp != NULL) | |
| 2342 { | |
| 2343 mfp->len = len + 1; /* include the NUL */ | |
| 2344 p = mfp->match; | |
| 418 | 2345 vim_strncpy(p, tagp.tagname, len); |
| 7 | 2346 } |
| 2347 | |
| 2348 /* if wanted, re-read line to get long form too */ | |
| 2349 if (State & INSERT) | |
| 2350 get_it_again = p_sft; | |
| 2351 } | |
| 2352 } | |
| 2353 else | |
| 2354 { | |
| 2355 /* Save the tag in a buffer. | |
| 2356 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2357 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2358 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2359 */ | |
| 359 | 2360 len = (int)STRLEN(tag_fname) |
| 3131 | 2361 + (int)STRLEN(lbuf) + 3; |
| 7 | 2362 #ifdef FEAT_EMACS_TAGS |
| 2363 if (is_etag) | |
| 2364 len += (int)STRLEN(ebuf) + 1; | |
| 2365 else | |
| 2366 ++len; | |
| 2367 #endif | |
| 2368 mfp = (struct match_found *)alloc( | |
| 2369 (int)sizeof(struct match_found) + len); | |
| 2370 if (mfp != NULL) | |
| 2371 { | |
| 2372 mfp->len = len; | |
| 2373 p = mfp->match; | |
| 2374 p[0] = mtt; | |
| 2375 STRCPY(p + 1, tag_fname); | |
| 2376 #ifdef BACKSLASH_IN_FILENAME | |
| 2377 /* Ignore differences in slashes, avoid adding | |
| 2378 * both path/file and path\file. */ | |
| 2379 slash_adjust(p + 1); | |
| 2380 #endif | |
| 2381 s = p + 1 + STRLEN(tag_fname) + 1; | |
| 2382 #ifdef FEAT_EMACS_TAGS | |
| 2383 if (is_etag) | |
| 2384 { | |
| 2385 STRCPY(s, ebuf); | |
| 2386 s += STRLEN(ebuf) + 1; | |
| 2387 } | |
| 2388 else | |
| 2389 *s++ = NUL; | |
| 2390 #endif | |
| 3131 | 2391 STRCPY(s, lbuf); |
| 7 | 2392 } |
| 2393 } | |
| 2394 | |
| 2395 if (mfp != NULL) | |
| 2396 { | |
| 2397 /* | |
| 2398 * Don't add identical matches. | |
| 2399 * This can take a lot of time when finding many | |
| 2400 * matches, check for CTRL-C now and then. | |
| 2401 * Add all cscope tags, because they are all listed. | |
| 2402 */ | |
| 2403 #ifdef FEAT_CSCOPE | |
| 2404 if (use_cscope) | |
| 2405 i = -1; | |
| 2406 else | |
| 2407 #endif | |
| 2408 for (i = ga_match[mtt].ga_len; --i >= 0 && !got_int; ) | |
| 2409 { | |
| 2410 mfp2 = ((struct match_found **) | |
| 2411 (ga_match[mtt].ga_data))[i]; | |
| 2412 if (mfp2->len == mfp->len | |
| 2413 && vim_memcmp(mfp2->match, mfp->match, | |
| 2414 (size_t)mfp->len) == 0) | |
| 2415 break; | |
| 2416 line_breakcheck(); | |
| 2417 } | |
| 2418 if (i < 0) | |
| 2419 { | |
| 2420 ((struct match_found **)(ga_match[mtt].ga_data)) | |
| 2421 [ga_match[mtt].ga_len++] = mfp; | |
| 2422 ++match_count; | |
| 2423 } | |
| 2424 else | |
| 2425 vim_free(mfp); | |
| 2426 } | |
| 2427 } | |
| 2428 else /* Out of memory! Just forget about the rest. */ | |
| 2429 { | |
| 2430 retval = OK; | |
| 2431 stop_searching = TRUE; | |
| 2432 break; | |
| 2433 } | |
| 2434 } | |
| 2435 #ifdef FEAT_CSCOPE | |
| 2436 if (use_cscope && eof) | |
| 2437 break; | |
| 2438 #endif | |
| 2439 } /* forever */ | |
| 2440 | |
| 2441 if (line_error) | |
| 2442 { | |
| 2443 EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname); | |
| 2444 #ifdef FEAT_CSCOPE | |
| 2445 if (!use_cscope) | |
| 2446 #endif | |
| 2447 EMSGN(_("Before byte %ld"), (long)ftell(fp)); | |
| 2448 stop_searching = TRUE; | |
| 2449 line_error = FALSE; | |
| 2450 } | |
| 2451 | |
| 2452 #ifdef FEAT_CSCOPE | |
| 2453 if (!use_cscope) | |
| 2454 #endif | |
| 2455 fclose(fp); | |
| 2456 #ifdef FEAT_EMACS_TAGS | |
| 2457 while (incstack_idx) | |
| 2458 { | |
| 2459 --incstack_idx; | |
| 2460 fclose(incstack[incstack_idx].fp); | |
| 2461 vim_free(incstack[incstack_idx].etag_fname); | |
| 2462 } | |
| 2463 #endif | |
| 2464 #ifdef FEAT_MBYTE | |
| 2465 if (vimconv.vc_type != CONV_NONE) | |
| 2466 convert_setup(&vimconv, NULL, NULL); | |
| 2467 #endif | |
| 2468 | |
| 2469 #ifdef FEAT_TAG_BINS | |
| 3131 | 2470 tag_file_sorted = NUL; |
| 7 | 2471 if (sort_error) |
| 2472 { | |
| 2473 EMSG2(_("E432: Tags file not sorted: %s"), tag_fname); | |
| 2474 sort_error = FALSE; | |
| 2475 } | |
| 2476 #endif | |
| 2477 | |
| 2478 /* | |
| 2479 * Stop searching if sufficient tags have been found. | |
| 2480 */ | |
| 2481 if (match_count >= mincount) | |
| 2482 { | |
| 2483 retval = OK; | |
| 2484 stop_searching = TRUE; | |
| 2485 } | |
| 2486 | |
| 2487 #ifdef FEAT_CSCOPE | |
| 2488 if (stop_searching || use_cscope) | |
| 2489 #else | |
| 2490 if (stop_searching) | |
| 2491 #endif | |
| 2492 break; | |
| 2493 | |
| 2494 } /* end of for-each-file loop */ | |
| 2495 | |
| 692 | 2496 #ifdef FEAT_CSCOPE |
| 2497 if (!use_cscope) | |
| 2498 #endif | |
| 2499 tagname_free(&tn); | |
| 2500 | |
| 7 | 2501 #ifdef FEAT_TAG_BINS |
| 413 | 2502 /* stop searching when already did a linear search, or when TAG_NOIC |
| 2503 * used, and 'ignorecase' not set or already did case-ignore search */ | |
| 3131 | 2504 if (stop_searching || linear || (!p_ic && noic) || orgpat.regmatch.rm_ic) |
| 7 | 2505 break; |
| 2506 # ifdef FEAT_CSCOPE | |
| 2507 if (use_cscope) | |
| 2508 break; | |
| 2509 # endif | |
| 3131 | 2510 orgpat.regmatch.rm_ic = TRUE; /* try another time while ignoring case */ |
| 7 | 2511 } |
| 2512 #endif | |
| 2513 | |
| 2514 if (!stop_searching) | |
| 2515 { | |
| 2516 if (!did_open && verbose) /* never opened any tags file */ | |
| 2517 EMSG(_("E433: No tags file")); | |
| 2518 retval = OK; /* It's OK even when no tag found */ | |
| 2519 } | |
| 2520 | |
| 2521 findtag_end: | |
| 2522 vim_free(lbuf); | |
|
4805
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3804
diff
changeset
|
2523 vim_regfree(orgpat.regmatch.regprog); |
| 7 | 2524 vim_free(tag_fname); |
| 2525 #ifdef FEAT_EMACS_TAGS | |
| 2526 vim_free(ebuf); | |
| 2527 #endif | |
| 2528 | |
| 2529 /* | |
| 2530 * Move the matches from the ga_match[] arrays into one list of | |
| 2531 * matches. When retval == FAIL, free the matches. | |
| 2532 */ | |
| 2533 if (retval == FAIL) | |
| 2534 match_count = 0; | |
| 2535 | |
| 2536 if (match_count > 0) | |
| 2537 matches = (char_u **)lalloc((long_u)(match_count * sizeof(char_u *)), | |
| 2538 TRUE); | |
| 2539 else | |
| 2540 matches = NULL; | |
| 2541 match_count = 0; | |
| 2542 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 2543 { | |
| 2544 for (i = 0; i < ga_match[mtt].ga_len; ++i) | |
| 2545 { | |
| 2546 mfp = ((struct match_found **)(ga_match[mtt].ga_data))[i]; | |
| 2547 if (matches == NULL) | |
| 2548 vim_free(mfp); | |
| 2549 else | |
| 2550 { | |
| 2551 /* To avoid allocating memory again we turn the struct | |
| 2552 * match_found into a string. For help the priority was not | |
| 2553 * included in the length. */ | |
| 2554 mch_memmove(mfp, mfp->match, | |
| 2555 (size_t)(mfp->len + (help_only ? ML_HELP_LEN : 0))); | |
| 2556 matches[match_count++] = (char_u *)mfp; | |
| 2557 } | |
| 2558 } | |
| 2559 ga_clear(&ga_match[mtt]); | |
| 2560 } | |
| 2561 | |
| 2562 *matchesp = matches; | |
| 2563 *num_matches = match_count; | |
| 2564 | |
| 2565 curbuf->b_help = help_save; | |
| 2566 #ifdef FEAT_MULTI_LANG | |
| 2567 vim_free(saved_pat); | |
| 2568 #endif | |
| 2569 | |
|
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parents:
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diff
changeset
|
2570 p_ic = save_p_ic; |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
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parents:
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diff
changeset
|
2571 |
| 7 | 2572 return retval; |
| 2573 } | |
| 2574 | |
| 2575 static garray_T tag_fnames = GA_EMPTY; | |
|
7805
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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parents:
7266
diff
changeset
|
2576 static void found_tagfile_cb(char_u *fname, void *cookie); |
| 7 | 2577 |
| 2578 /* | |
| 2579 * Callback function for finding all "tags" and "tags-??" files in | |
| 2580 * 'runtimepath' doc directories. | |
| 2581 */ | |
| 2582 static void | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2583 found_tagfile_cb(char_u *fname, void *cookie UNUSED) |
| 7 | 2584 { |
| 2585 if (ga_grow(&tag_fnames, 1) == OK) | |
| 2586 ((char_u **)(tag_fnames.ga_data))[tag_fnames.ga_len++] = | |
| 2587 vim_strsave(fname); | |
| 2588 } | |
| 2589 | |
| 359 | 2590 #if defined(EXITFREE) || defined(PROTO) |
| 2591 void | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2592 free_tag_stuff(void) |
| 359 | 2593 { |
| 692 | 2594 ga_clear_strings(&tag_fnames); |
| 359 | 2595 do_tag(NULL, DT_FREE, 0, 0, 0); |
| 1818 | 2596 tag_freematch(); |
| 2597 | |
| 2598 # if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2599 if (ptag_entry.tagname) | |
| 2600 { | |
|
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parents:
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diff
changeset
|
2601 vim_free(ptag_entry.tagname); |
|
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parents:
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diff
changeset
|
2602 ptag_entry.tagname = NULL; |
| 1818 | 2603 } |
| 2604 # endif | |
| 359 | 2605 } |
| 2606 #endif | |
| 2607 | |
| 7 | 2608 /* |
| 2609 * Get the next name of a tag file from the tag file list. | |
| 2610 * For help files, use "tags" file only. | |
| 2611 * | |
| 2612 * Return FAIL if no more tag file names, OK otherwise. | |
| 2613 */ | |
| 514 | 2614 int |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
7805
diff
changeset
|
2615 get_tagfname( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2616 tagname_T *tnp, /* holds status info */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2617 int first, /* TRUE when first file name is wanted */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2618 char_u *buf) /* pointer to buffer of MAXPATHL chars */ |
| 7 | 2619 { |
| 2620 char_u *fname = NULL; | |
| 2621 char_u *r_ptr; | |
| 2622 | |
| 692 | 2623 if (first) |
| 2624 vim_memset(tnp, 0, sizeof(tagname_T)); | |
| 2625 | |
| 514 | 2626 if (curbuf->b_help) |
| 7 | 2627 { |
| 514 | 2628 /* |
| 2629 * For help files it's done in a completely different way: | |
| 2630 * Find "doc/tags" and "doc/tags-??" in all directories in | |
| 2631 * 'runtimepath'. | |
| 2632 */ | |
| 2633 if (first) | |
| 7 | 2634 { |
| 2635 ga_clear_strings(&tag_fnames); | |
| 2636 ga_init2(&tag_fnames, (int)sizeof(char_u *), 10); | |
| 2637 do_in_runtimepath((char_u *) | |
| 2638 #ifdef FEAT_MULTI_LANG | |
| 36 | 2639 # ifdef VMS |
| 2640 /* Functions decc$to_vms() and decc$translate_vms() crash | |
| 2641 * on some VMS systems with wildcards "??". Seems ECO | |
| 2642 * patches do fix the problem in C RTL, but we can't use | |
| 2643 * an #ifdef for that. */ | |
| 2644 "doc/tags doc/tags-*" | |
| 2645 # else | |
| 7 | 2646 "doc/tags doc/tags-??" |
| 36 | 2647 # endif |
| 7 | 2648 #else |
| 2649 "doc/tags" | |
| 2650 #endif | |
|
8524
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commit https://github.com/vim/vim/commit/7f8989dd8a627af2185df381195351a913f3777f
Christian Brabandt <cb@256bit.org>
parents:
7835
diff
changeset
|
2651 , DIP_ALL, found_tagfile_cb, NULL); |
| 7 | 2652 } |
| 602 | 2653 |
| 692 | 2654 if (tnp->tn_hf_idx >= tag_fnames.ga_len) |
| 7 | 2655 { |
| 2656 /* Not found in 'runtimepath', use 'helpfile', if it exists and | |
| 2657 * wasn't used yet, replacing "help.txt" with "tags". */ | |
| 692 | 2658 if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) |
| 7 | 2659 return FAIL; |
| 692 | 2660 ++tnp->tn_hf_idx; |
| 7 | 2661 STRCPY(buf, p_hf); |
| 2662 STRCPY(gettail(buf), "tags"); | |
| 2663 } | |
| 2664 else | |
| 692 | 2665 vim_strncpy(buf, ((char_u **)(tag_fnames.ga_data))[ |
| 2666 tnp->tn_hf_idx++], MAXPATHL - 1); | |
| 514 | 2667 return OK; |
| 2668 } | |
| 2669 | |
| 2670 if (first) | |
| 2671 { | |
| 692 | 2672 /* Init. We make a copy of 'tags', because autocommands may change |
| 2673 * the value without notifying us. */ | |
| 2674 tnp->tn_tags = vim_strsave((*curbuf->b_p_tags != NUL) | |
| 2675 ? curbuf->b_p_tags : p_tags); | |
| 2676 if (tnp->tn_tags == NULL) | |
| 2677 return FAIL; | |
| 2678 tnp->tn_np = tnp->tn_tags; | |
| 7 | 2679 } |
| 692 | 2680 |
| 2681 /* | |
| 2682 * Loop until we have found a file name that can be used. | |
| 2683 * There are two states: | |
| 2684 * tnp->tn_did_filefind_init == FALSE: setup for next part in 'tags'. | |
| 2685 * tnp->tn_did_filefind_init == TRUE: find next file in this part. | |
| 2686 */ | |
| 2687 for (;;) | |
| 7 | 2688 { |
| 692 | 2689 if (tnp->tn_did_filefind_init) |
| 7 | 2690 { |
| 692 | 2691 fname = vim_findfile(tnp->tn_search_ctx); |
| 2692 if (fname != NULL) | |
| 2693 break; | |
| 2694 | |
| 2695 tnp->tn_did_filefind_init = FALSE; | |
| 2696 } | |
| 2697 else | |
| 2698 { | |
| 2699 char_u *filename = NULL; | |
| 2700 | |
| 2701 /* Stop when used all parts of 'tags'. */ | |
| 2702 if (*tnp->tn_np == NUL) | |
| 7 | 2703 { |
| 692 | 2704 vim_findfile_cleanup(tnp->tn_search_ctx); |
| 2705 tnp->tn_search_ctx = NULL; | |
| 2706 return FAIL; | |
| 7 | 2707 } |
| 692 | 2708 |
| 2709 /* | |
| 2710 * Copy next file name into buf. | |
| 2711 */ | |
| 2712 buf[0] = NUL; | |
| 2713 (void)copy_option_part(&tnp->tn_np, buf, MAXPATHL - 1, " ,"); | |
| 7 | 2714 |
| 2715 #ifdef FEAT_PATH_EXTRA | |
| 692 | 2716 r_ptr = vim_findfile_stopdir(buf); |
| 7 | 2717 #else |
| 692 | 2718 r_ptr = NULL; |
| 7 | 2719 #endif |
| 692 | 2720 /* move the filename one char forward and truncate the |
| 2721 * filepath with a NUL */ | |
| 2722 filename = gettail(buf); | |
| 1620 | 2723 STRMOVE(filename + 1, filename); |
| 692 | 2724 *filename++ = NUL; |
| 2725 | |
| 2726 tnp->tn_search_ctx = vim_findfile_init(buf, filename, | |
| 2727 r_ptr, 100, | |
|
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2728 FALSE, /* don't free visited list */ |
| 1541 | 2729 FINDFILE_FILE, /* we search for a file */ |
| 692 | 2730 tnp->tn_search_ctx, TRUE, curbuf->b_ffname); |
| 2731 if (tnp->tn_search_ctx != NULL) | |
| 2732 tnp->tn_did_filefind_init = TRUE; | |
| 7 | 2733 } |
| 2734 } | |
| 2735 | |
| 692 | 2736 STRCPY(buf, fname); |
| 2737 vim_free(fname); | |
| 7 | 2738 return OK; |
| 2739 } | |
| 2740 | |
| 2741 /* | |
| 692 | 2742 * Free the contents of a tagname_T that was filled by get_tagfname(). |
| 2743 */ | |
| 2744 void | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2745 tagname_free(tagname_T *tnp) |
| 692 | 2746 { |
| 2747 vim_free(tnp->tn_tags); | |
| 2748 vim_findfile_cleanup(tnp->tn_search_ctx); | |
| 1541 | 2749 tnp->tn_search_ctx = NULL; |
| 692 | 2750 ga_clear_strings(&tag_fnames); |
| 2751 } | |
| 2752 | |
| 2753 /* | |
| 7 | 2754 * Parse one line from the tags file. Find start/end of tag name, start/end of |
| 2755 * file name and start of search pattern. | |
| 2756 * | |
| 2757 * If is_etag is TRUE, tagp->fname and tagp->fname_end are not set. | |
| 2758 * | |
| 2759 * Return FAIL if there is a format error in this line, OK otherwise. | |
| 2760 */ | |
| 2761 static int | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2762 parse_tag_line( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2763 char_u *lbuf, /* line to be parsed */ |
| 7 | 2764 #ifdef FEAT_EMACS_TAGS |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2765 int is_etag, |
| 7 | 2766 #endif |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2767 tagptrs_T *tagp) |
| 7 | 2768 { |
| 2769 char_u *p; | |
| 2770 | |
| 2771 #ifdef FEAT_EMACS_TAGS | |
| 2772 char_u *p_7f; | |
| 2773 | |
| 2774 if (is_etag) | |
| 2775 { | |
| 2776 /* | |
| 2777 * There are two formats for an emacs tag line: | |
| 2778 * 1: struct EnvBase ^?EnvBase^A139,4627 | |
| 2779 * 2: #define ARPB_WILD_WORLD ^?153,5194 | |
| 2780 */ | |
| 2781 p_7f = vim_strchr(lbuf, 0x7f); | |
| 2782 if (p_7f == NULL) | |
| 1770 | 2783 { |
| 2784 etag_fail: | |
| 2785 if (vim_strchr(lbuf, '\n') == NULL) | |
| 2786 { | |
| 2787 /* Truncated line. Ignore it. */ | |
| 2788 if (p_verbose >= 5) | |
| 2789 { | |
| 2790 verbose_enter(); | |
| 2791 MSG(_("Ignoring long line in tags file")); | |
| 2792 verbose_leave(); | |
| 2793 } | |
| 2794 tagp->command = lbuf; | |
| 2795 tagp->tagname = lbuf; | |
| 2796 tagp->tagname_end = lbuf; | |
| 2797 return OK; | |
| 2798 } | |
| 7 | 2799 return FAIL; |
| 1770 | 2800 } |
| 7 | 2801 |
| 2802 /* Find ^A. If not found the line number is after the 0x7f */ | |
| 2803 p = vim_strchr(p_7f, Ctrl_A); | |
| 2804 if (p == NULL) | |
| 2805 p = p_7f + 1; | |
| 2806 else | |
| 2807 ++p; | |
| 2808 | |
| 2809 if (!VIM_ISDIGIT(*p)) /* check for start of line number */ | |
| 1770 | 2810 goto etag_fail; |
| 7 | 2811 tagp->command = p; |
| 2812 | |
| 2813 | |
| 2814 if (p[-1] == Ctrl_A) /* first format: explicit tagname given */ | |
| 2815 { | |
| 2816 tagp->tagname = p_7f + 1; | |
| 2817 tagp->tagname_end = p - 1; | |
| 2818 } | |
| 2819 else /* second format: isolate tagname */ | |
| 2820 { | |
| 2821 /* find end of tagname */ | |
| 2822 for (p = p_7f - 1; !vim_iswordc(*p); --p) | |
| 2823 if (p == lbuf) | |
| 1770 | 2824 goto etag_fail; |
| 7 | 2825 tagp->tagname_end = p + 1; |
| 2826 while (p >= lbuf && vim_iswordc(*p)) | |
| 2827 --p; | |
| 2828 tagp->tagname = p + 1; | |
| 2829 } | |
| 2830 } | |
| 2831 else /* not an Emacs tag */ | |
| 2832 { | |
| 2833 #endif | |
| 2834 /* Isolate the tagname, from lbuf up to the first white */ | |
| 2835 tagp->tagname = lbuf; | |
| 2836 #ifdef FEAT_TAG_ANYWHITE | |
| 2837 p = skiptowhite(lbuf); | |
| 2838 #else | |
| 2839 p = vim_strchr(lbuf, TAB); | |
| 2840 if (p == NULL) | |
| 2841 return FAIL; | |
| 2842 #endif | |
| 2843 tagp->tagname_end = p; | |
| 2844 | |
| 2845 /* Isolate file name, from first to second white space */ | |
| 2846 #ifdef FEAT_TAG_ANYWHITE | |
| 2847 p = skipwhite(p); | |
| 2848 #else | |
| 2849 if (*p != NUL) | |
| 2850 ++p; | |
| 2851 #endif | |
| 2852 tagp->fname = p; | |
| 2853 #ifdef FEAT_TAG_ANYWHITE | |
| 2854 p = skiptowhite(p); | |
| 2855 #else | |
| 2856 p = vim_strchr(p, TAB); | |
| 2857 if (p == NULL) | |
| 2858 return FAIL; | |
| 2859 #endif | |
| 2860 tagp->fname_end = p; | |
| 2861 | |
| 2862 /* find start of search command, after second white space */ | |
| 2863 #ifdef FEAT_TAG_ANYWHITE | |
| 2864 p = skipwhite(p); | |
| 2865 #else | |
| 2866 if (*p != NUL) | |
| 2867 ++p; | |
| 2868 #endif | |
| 2869 if (*p == NUL) | |
| 2870 return FAIL; | |
| 2871 tagp->command = p; | |
| 2872 #ifdef FEAT_EMACS_TAGS | |
| 2873 } | |
| 2874 #endif | |
| 2875 | |
| 2876 return OK; | |
| 2877 } | |
| 2878 | |
| 2879 /* | |
| 2880 * Check if tagname is a static tag | |
| 2881 * | |
| 2882 * Static tags produced by the older ctags program have the format: | |
| 2883 * 'file:tag file /pattern'. | |
| 1204 | 2884 * This is only recognized when both occurrence of 'file' are the same, to |
| 7 | 2885 * avoid recognizing "string::string" or ":exit". |
| 2886 * | |
| 2887 * Static tags produced by the new ctags program have the format: | |
| 2888 * 'tag file /pattern/;"<Tab>file:' " | |
| 2889 * | |
| 2890 * Return TRUE if it is a static tag and adjust *tagname to the real tag. | |
| 2891 * Return FALSE if it is not a static tag. | |
| 2892 */ | |
| 2893 static int | |
|
7835
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2894 test_for_static(tagptrs_T *tagp) |
| 7 | 2895 { |
| 2896 char_u *p; | |
| 2897 | |
| 2898 #ifdef FEAT_TAG_OLDSTATIC | |
| 2899 int len; | |
| 2900 | |
| 2901 /* | |
| 2902 * Check for old style static tag: "file:tag file .." | |
| 2903 */ | |
| 2904 len = (int)(tagp->fname_end - tagp->fname); | |
| 2905 p = tagp->tagname + len; | |
| 2906 if ( p < tagp->tagname_end | |
| 2907 && *p == ':' | |
| 2908 && fnamencmp(tagp->tagname, tagp->fname, len) == 0) | |
| 2909 { | |
| 2910 tagp->tagname = p + 1; | |
| 2911 return TRUE; | |
| 2912 } | |
| 2913 #endif | |
| 2914 | |
| 2915 /* | |
| 2916 * Check for new style static tag ":...<Tab>file:[<Tab>...]" | |
| 2917 */ | |
| 2918 p = tagp->command; | |
| 2919 while ((p = vim_strchr(p, '\t')) != NULL) | |
| 2920 { | |
| 2921 ++p; | |
| 2922 if (STRNCMP(p, "file:", 5) == 0) | |
| 2923 return TRUE; | |
| 2924 } | |
| 2925 | |
| 2926 return FALSE; | |
| 2927 } | |
| 2928 | |
| 2929 /* | |
| 2930 * Parse a line from a matching tag. Does not change the line itself. | |
| 2931 * | |
| 2932 * The line that we get looks like this: | |
| 2933 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2934 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2935 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2936 * | |
| 2937 * Return OK or FAIL. | |
| 2938 */ | |
| 2939 static int | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2940 parse_match( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2941 char_u *lbuf, /* input: matching line */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2942 tagptrs_T *tagp) /* output: pointers into the line */ |
| 7 | 2943 { |
| 2944 int retval; | |
| 2945 char_u *p; | |
| 2946 char_u *pc, *pt; | |
| 2947 | |
| 2948 tagp->tag_fname = lbuf + 1; | |
| 2949 lbuf += STRLEN(tagp->tag_fname) + 2; | |
| 2950 #ifdef FEAT_EMACS_TAGS | |
| 2951 if (*lbuf) | |
| 2952 { | |
| 2953 tagp->is_etag = TRUE; | |
| 2954 tagp->fname = lbuf; | |
| 2955 lbuf += STRLEN(lbuf); | |
| 2956 tagp->fname_end = lbuf++; | |
| 2957 } | |
| 2958 else | |
| 2959 { | |
| 2960 tagp->is_etag = FALSE; | |
| 2961 ++lbuf; | |
| 2962 } | |
| 2963 #endif | |
| 2964 | |
| 2965 /* Find search pattern and the file name for non-etags. */ | |
| 2966 retval = parse_tag_line(lbuf, | |
| 2967 #ifdef FEAT_EMACS_TAGS | |
| 2968 tagp->is_etag, | |
| 2969 #endif | |
| 2970 tagp); | |
| 2971 | |
| 2972 tagp->tagkind = NULL; | |
| 2973 tagp->command_end = NULL; | |
| 2974 | |
| 2975 if (retval == OK) | |
| 2976 { | |
| 2977 /* Try to find a kind field: "kind:<kind>" or just "<kind>"*/ | |
| 2978 p = tagp->command; | |
| 2979 if (find_extra(&p) == OK) | |
| 2980 { | |
| 2981 tagp->command_end = p; | |
| 2982 p += 2; /* skip ";\"" */ | |
| 2983 if (*p++ == TAB) | |
| 2984 while (ASCII_ISALPHA(*p)) | |
| 2985 { | |
| 2986 if (STRNCMP(p, "kind:", 5) == 0) | |
| 2987 { | |
| 2988 tagp->tagkind = p + 5; | |
| 2989 break; | |
| 2990 } | |
| 2991 pc = vim_strchr(p, ':'); | |
| 2992 pt = vim_strchr(p, '\t'); | |
| 2993 if (pc == NULL || (pt != NULL && pc > pt)) | |
| 2994 { | |
| 2995 tagp->tagkind = p; | |
| 2996 break; | |
| 2997 } | |
| 2998 if (pt == NULL) | |
| 2999 break; | |
| 3000 p = pt + 1; | |
| 3001 } | |
| 3002 } | |
| 3003 if (tagp->tagkind != NULL) | |
| 3004 { | |
| 3005 for (p = tagp->tagkind; | |
| 3006 *p && *p != '\t' && *p != '\r' && *p != '\n'; ++p) | |
| 3007 ; | |
| 3008 tagp->tagkind_end = p; | |
| 3009 } | |
| 3010 } | |
| 3011 return retval; | |
| 3012 } | |
| 3013 | |
| 3014 /* | |
| 3015 * Find out the actual file name of a tag. Concatenate the tags file name | |
| 3016 * with the matching tag file name. | |
| 3017 * Returns an allocated string or NULL (out of memory). | |
| 3018 */ | |
| 3019 static char_u * | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3020 tag_full_fname(tagptrs_T *tagp) |
| 7 | 3021 { |
| 3022 char_u *fullname; | |
| 3023 int c; | |
| 3024 | |
| 3025 #ifdef FEAT_EMACS_TAGS | |
| 3026 if (tagp->is_etag) | |
| 3027 c = 0; /* to shut up GCC */ | |
| 3028 else | |
| 3029 #endif | |
| 3030 { | |
| 3031 c = *tagp->fname_end; | |
| 3032 *tagp->fname_end = NUL; | |
| 3033 } | |
| 3034 fullname = expand_tag_fname(tagp->fname, tagp->tag_fname, FALSE); | |
| 3035 | |
| 3036 #ifdef FEAT_EMACS_TAGS | |
| 3037 if (!tagp->is_etag) | |
| 3038 #endif | |
| 3039 *tagp->fname_end = c; | |
| 3040 | |
| 3041 return fullname; | |
| 3042 } | |
| 3043 | |
| 3044 /* | |
| 3045 * Jump to a tag that has been found in one of the tag files | |
| 3046 * | |
| 3047 * returns OK for success, NOTAGFILE when file not found, FAIL otherwise. | |
| 3048 */ | |
| 3049 static int | |
|
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3050 jumpto_tag( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3051 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
|
3052 int forceit, /* :ta with ! */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3053 int keep_help) /* keep help flag (FALSE for cscope) */ |
| 7 | 3054 { |
| 3055 int save_secure; | |
| 3056 int save_magic; | |
| 3057 int save_p_ws, save_p_scs, save_p_ic; | |
| 3058 linenr_T save_lnum; | |
| 3059 int csave = 0; | |
| 3060 char_u *str; | |
| 3061 char_u *pbuf; /* search pattern buffer */ | |
| 3062 char_u *pbuf_end; | |
| 3063 char_u *tofree_fname = NULL; | |
| 3064 char_u *fname; | |
| 3065 tagptrs_T tagp; | |
| 3066 int retval = FAIL; | |
| 3067 int getfile_result; | |
| 3068 int search_options; | |
| 3069 #ifdef FEAT_SEARCH_EXTRA | |
| 3070 int save_no_hlsearch; | |
| 3071 #endif | |
| 3072 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3073 win_T *curwin_save = NULL; | |
| 3074 #endif | |
| 3075 char_u *full_fname = NULL; | |
| 3076 #ifdef FEAT_FOLDING | |
| 3077 int old_KeyTyped = KeyTyped; /* getting the file may reset it */ | |
| 3078 #endif | |
| 3079 | |
| 3080 pbuf = alloc(LSIZE); | |
| 3081 | |
| 3082 /* parse the match line into the tagp structure */ | |
| 3083 if (pbuf == NULL || parse_match(lbuf, &tagp) == FAIL) | |
| 3084 { | |
| 3085 tagp.fname_end = NULL; | |
| 3086 goto erret; | |
| 3087 } | |
| 3088 | |
| 3089 /* truncate the file name, so it can be used as a string */ | |
| 3090 csave = *tagp.fname_end; | |
| 3091 *tagp.fname_end = NUL; | |
| 3092 fname = tagp.fname; | |
| 3093 | |
| 3094 /* copy the command to pbuf[], remove trailing CR/NL */ | |
| 3095 str = tagp.command; | |
| 3096 for (pbuf_end = pbuf; *str && *str != '\n' && *str != '\r'; ) | |
| 3097 { | |
| 3098 #ifdef FEAT_EMACS_TAGS | |
| 3099 if (tagp.is_etag && *str == ',')/* stop at ',' after line number */ | |
| 3100 break; | |
| 3101 #endif | |
| 3102 *pbuf_end++ = *str++; | |
| 3103 } | |
| 3104 *pbuf_end = NUL; | |
| 3105 | |
| 3106 #ifdef FEAT_EMACS_TAGS | |
| 3107 if (!tagp.is_etag) | |
| 3108 #endif | |
| 3109 { | |
| 3110 /* | |
| 3111 * Remove the "<Tab>fieldname:value" stuff; we don't need it here. | |
| 3112 */ | |
| 3113 str = pbuf; | |
| 3114 if (find_extra(&str) == OK) | |
| 3115 { | |
| 3116 pbuf_end = str; | |
| 3117 *pbuf_end = NUL; | |
| 3118 } | |
| 3119 } | |
| 3120 | |
| 3121 /* | |
| 3122 * Expand file name, when needed (for environment variables). | |
| 3123 * If 'tagrelative' option set, may change file name. | |
| 3124 */ | |
| 3125 fname = expand_tag_fname(fname, tagp.tag_fname, TRUE); | |
| 3126 if (fname == NULL) | |
| 3127 goto erret; | |
| 3128 tofree_fname = fname; /* free() it later */ | |
| 3129 | |
| 3130 /* | |
| 3131 * Check if the file with the tag exists before abandoning the current | |
| 3132 * file. Also accept a file name for which there is a matching BufReadCmd | |
| 3133 * autocommand event (e.g., http://sys/file). | |
| 3134 */ | |
| 3135 if (mch_getperm(fname) < 0 | |
| 3136 #ifdef FEAT_AUTOCMD | |
| 40 | 3137 && !has_autocmd(EVENT_BUFREADCMD, fname, NULL) |
| 7 | 3138 #endif |
| 3139 ) | |
| 3140 { | |
| 3141 retval = NOTAGFILE; | |
| 3142 vim_free(nofile_fname); | |
| 3143 nofile_fname = vim_strsave(fname); | |
| 3144 if (nofile_fname == NULL) | |
| 3145 nofile_fname = empty_option; | |
| 3146 goto erret; | |
| 3147 } | |
| 3148 | |
| 3149 ++RedrawingDisabled; | |
| 3150 | |
| 3151 #ifdef FEAT_GUI | |
| 3152 need_mouse_correct = TRUE; | |
| 3153 #endif | |
| 3154 | |
| 3155 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3156 if (g_do_tagpreview != 0) |
| 7 | 3157 { |
| 728 | 3158 postponed_split = 0; /* don't split again below */ |
| 3159 curwin_save = curwin; /* Save current window */ | |
| 3160 | |
| 7 | 3161 /* |
| 3162 * If we are reusing a window, we may change dir when | |
| 3163 * entering it (autocommands) so turn the tag filename | |
| 3164 * into a fullpath | |
| 3165 */ | |
| 3166 if (!curwin->w_p_pvw) | |
| 3167 { | |
| 3168 full_fname = FullName_save(fname, FALSE); | |
| 3169 fname = full_fname; | |
| 3170 | |
| 3171 /* | |
| 3172 * Make the preview window the current window. | |
| 3173 * Open a preview window when needed. | |
| 3174 */ | |
| 816 | 3175 prepare_tagpreview(TRUE); |
| 7 | 3176 } |
| 3177 } | |
| 3178 | |
| 682 | 3179 /* If it was a CTRL-W CTRL-] command split window now. For ":tab tag" |
| 3180 * open a new tab page. */ | |
| 3181 if (postponed_split || cmdmod.tab != 0) | |
| 7 | 3182 { |
| 3183 win_split(postponed_split > 0 ? postponed_split : 0, | |
| 3184 postponed_split_flags); | |
| 2583 | 3185 RESET_BINDING(curwin); |
| 7 | 3186 } |
| 3187 #endif | |
| 3188 | |
| 3189 if (keep_help) | |
| 3190 { | |
| 3191 /* A :ta from a help file will keep the b_help flag set. For ":ptag" | |
| 3192 * we need to use the flag from the window where we came from. */ | |
| 3193 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3194 if (g_do_tagpreview != 0) |
| 7 | 3195 keep_help_flag = curwin_save->w_buffer->b_help; |
| 3196 else | |
| 3197 #endif | |
| 3198 keep_help_flag = curbuf->b_help; | |
| 3199 } | |
| 3200 getfile_result = getfile(0, fname, NULL, TRUE, (linenr_T)0, forceit); | |
| 3201 keep_help_flag = FALSE; | |
| 3202 | |
| 3203 if (getfile_result <= 0) /* got to the right file */ | |
| 3204 { | |
| 3205 curwin->w_set_curswant = TRUE; | |
| 3206 #ifdef FEAT_WINDOWS | |
| 3207 postponed_split = 0; | |
| 3208 #endif | |
| 3209 | |
| 3210 save_secure = secure; | |
| 3211 secure = 1; | |
| 3212 #ifdef HAVE_SANDBOX | |
| 3213 ++sandbox; | |
| 3214 #endif | |
| 3215 save_magic = p_magic; | |
| 3216 p_magic = FALSE; /* always execute with 'nomagic' */ | |
| 3217 #ifdef FEAT_SEARCH_EXTRA | |
| 3218 /* Save value of no_hlsearch, jumping to a tag is not a real search */ | |
| 3219 save_no_hlsearch = no_hlsearch; | |
| 3220 #endif | |
| 3221 | |
| 3222 /* | |
| 3223 * If 'cpoptions' contains 't', store the search pattern for the "n" | |
| 3224 * command. If 'cpoptions' does not contain 't', the search pattern | |
| 3225 * is not stored. | |
| 3226 */ | |
| 3227 if (vim_strchr(p_cpo, CPO_TAGPAT) != NULL) | |
| 3228 search_options = 0; | |
| 3229 else | |
| 3230 search_options = SEARCH_KEEP; | |
| 3231 | |
| 3232 /* | |
| 3233 * If the command is a search, try here. | |
| 3234 * | |
| 3235 * Reset 'smartcase' for the search, since the search pattern was not | |
| 3236 * typed by the user. | |
| 3237 * Only use do_search() when there is a full search command, without | |
| 3238 * anything following. | |
| 3239 */ | |
| 3240 str = pbuf; | |
| 3241 if (pbuf[0] == '/' || pbuf[0] == '?') | |
| 3242 str = skip_regexp(pbuf + 1, pbuf[0], FALSE, NULL) + 1; | |
| 3243 if (str > pbuf_end - 1) /* search command with nothing following */ | |
| 3244 { | |
| 3245 save_p_ws = p_ws; | |
| 3246 save_p_ic = p_ic; | |
| 3247 save_p_scs = p_scs; | |
| 3248 p_ws = TRUE; /* need 'wrapscan' for backward searches */ | |
| 3249 p_ic = FALSE; /* don't ignore case now */ | |
| 3250 p_scs = FALSE; | |
| 3251 #if 0 /* disabled for now */ | |
| 3252 #ifdef FEAT_CMDHIST | |
| 3253 /* put pattern in search history */ | |
| 3254 add_to_history(HIST_SEARCH, pbuf + 1, TRUE, pbuf[0]); | |
| 3255 #endif | |
| 3256 #endif | |
| 3257 save_lnum = curwin->w_cursor.lnum; | |
| 3258 curwin->w_cursor.lnum = 0; /* start search before first line */ | |
| 1521 | 3259 if (do_search(NULL, pbuf[0], pbuf + 1, (long)1, |
| 3260 search_options, NULL)) | |
| 7 | 3261 retval = OK; |
| 3262 else | |
| 3263 { | |
| 3264 int found = 1; | |
| 3265 int cc; | |
| 3266 | |
| 3267 /* | |
| 3268 * try again, ignore case now | |
| 3269 */ | |
| 3270 p_ic = TRUE; | |
| 3271 if (!do_search(NULL, pbuf[0], pbuf + 1, (long)1, | |
| 1521 | 3272 search_options, NULL)) |
| 7 | 3273 { |
| 3274 /* | |
| 3275 * Failed to find pattern, take a guess: "^func (" | |
| 3276 */ | |
| 3277 found = 2; | |
| 3278 (void)test_for_static(&tagp); | |
| 3279 cc = *tagp.tagname_end; | |
| 3280 *tagp.tagname_end = NUL; | |
| 3281 sprintf((char *)pbuf, "^%s\\s\\*(", tagp.tagname); | |
| 1521 | 3282 if (!do_search(NULL, '/', pbuf, (long)1, |
| 3283 search_options, NULL)) | |
| 7 | 3284 { |
| 3285 /* Guess again: "^char * \<func (" */ | |
| 3286 sprintf((char *)pbuf, "^\\[#a-zA-Z_]\\.\\*\\<%s\\s\\*(", | |
| 3287 tagp.tagname); | |
| 3288 if (!do_search(NULL, '/', pbuf, (long)1, | |
| 1521 | 3289 search_options, NULL)) |
| 7 | 3290 found = 0; |
| 3291 } | |
| 3292 *tagp.tagname_end = cc; | |
| 3293 } | |
| 3294 if (found == 0) | |
| 3295 { | |
| 3296 EMSG(_("E434: Can't find tag pattern")); | |
| 3297 curwin->w_cursor.lnum = save_lnum; | |
| 3298 } | |
| 3299 else | |
| 3300 { | |
| 3301 /* | |
| 3302 * Only give a message when really guessed, not when 'ic' | |
| 3303 * is set and match found while ignoring case. | |
| 3304 */ | |
| 3305 if (found == 2 || !save_p_ic) | |
| 3306 { | |
| 3307 MSG(_("E435: Couldn't find tag, just guessing!")); | |
| 3308 if (!msg_scrolled && msg_silent == 0) | |
| 3309 { | |
| 3310 out_flush(); | |
| 3311 ui_delay(1000L, TRUE); | |
| 3312 } | |
| 3313 } | |
| 3314 retval = OK; | |
| 3315 } | |
| 3316 } | |
| 3317 p_ws = save_p_ws; | |
| 3318 p_ic = save_p_ic; | |
| 3319 p_scs = save_p_scs; | |
| 3320 | |
| 3321 /* A search command may have positioned the cursor beyond the end | |
| 3322 * of the line. May need to correct that here. */ | |
| 3323 check_cursor(); | |
| 3324 } | |
| 3325 else | |
| 3326 { | |
| 3327 curwin->w_cursor.lnum = 1; /* start command in line 1 */ | |
| 3328 do_cmdline_cmd(pbuf); | |
| 3329 retval = OK; | |
| 3330 } | |
| 3331 | |
| 3332 /* | |
| 3333 * When the command has done something that is not allowed make sure | |
| 3334 * the error message can be seen. | |
| 3335 */ | |
| 3336 if (secure == 2) | |
| 3337 wait_return(TRUE); | |
| 3338 secure = save_secure; | |
| 3339 p_magic = save_magic; | |
| 3340 #ifdef HAVE_SANDBOX | |
| 3341 --sandbox; | |
| 3342 #endif | |
| 3343 #ifdef FEAT_SEARCH_EXTRA | |
| 3344 /* restore no_hlsearch when keeping the old search pattern */ | |
| 3345 if (search_options) | |
| 5458 | 3346 { |
| 3347 SET_NO_HLSEARCH(save_no_hlsearch); | |
| 3348 } | |
| 7 | 3349 #endif |
| 3350 | |
| 3351 /* Return OK if jumped to another file (at least we found the file!). */ | |
| 3352 if (getfile_result == -1) | |
| 3353 retval = OK; | |
| 3354 | |
| 3355 if (retval == OK) | |
| 3356 { | |
| 3357 /* | |
| 3358 * For a help buffer: Put the cursor line at the top of the window, | |
| 3359 * the help subject will be below it. | |
| 3360 */ | |
| 3361 if (curbuf->b_help) | |
| 3362 set_topline(curwin, curwin->w_cursor.lnum); | |
| 3363 #ifdef FEAT_FOLDING | |
| 3364 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 3365 foldOpenCursor(); | |
| 3366 #endif | |
| 3367 } | |
| 3368 | |
| 3369 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3370 if (g_do_tagpreview != 0 |
| 3371 && curwin != curwin_save && win_valid(curwin_save)) | |
| 7 | 3372 { |
| 3373 /* Return cursor to where we were */ | |
| 3374 validate_cursor(); | |
| 3375 redraw_later(VALID); | |
| 3376 win_enter(curwin_save, TRUE); | |
| 3377 } | |
| 3378 #endif | |
| 3379 | |
| 3380 --RedrawingDisabled; | |
| 3381 } | |
| 3382 else | |
| 3383 { | |
| 3384 --RedrawingDisabled; | |
| 3385 #ifdef FEAT_WINDOWS | |
| 3386 if (postponed_split) /* close the window */ | |
| 3387 { | |
| 3388 win_close(curwin, FALSE); | |
| 3389 postponed_split = 0; | |
| 3390 } | |
| 3391 #endif | |
| 3392 } | |
| 3393 | |
| 3394 erret: | |
| 3395 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3396 g_do_tagpreview = 0; /* For next time */ | |
| 3397 #endif | |
| 3398 if (tagp.fname_end != NULL) | |
| 3399 *tagp.fname_end = csave; | |
| 3400 vim_free(pbuf); | |
| 3401 vim_free(tofree_fname); | |
| 3402 vim_free(full_fname); | |
| 3403 | |
| 3404 return retval; | |
| 3405 } | |
| 3406 | |
| 3407 /* | |
| 3408 * If "expand" is TRUE, expand wildcards in fname. | |
| 3409 * If 'tagrelative' option set, change fname (name of file containing tag) | |
| 3410 * according to tag_fname (name of tag file containing fname). | |
| 3411 * Returns a pointer to allocated memory (or NULL when out of memory). | |
| 3412 */ | |
| 3413 static char_u * | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3414 expand_tag_fname(char_u *fname, char_u *tag_fname, int expand) |
| 7 | 3415 { |
| 3416 char_u *p; | |
| 3417 char_u *retval; | |
| 3418 char_u *expanded_fname = NULL; | |
| 3419 expand_T xpc; | |
| 3420 | |
| 3421 /* | |
| 3422 * Expand file name (for environment variables) when needed. | |
| 3423 */ | |
| 3424 if (expand && mch_has_wildcard(fname)) | |
| 3425 { | |
| 3426 ExpandInit(&xpc); | |
| 3427 xpc.xp_context = EXPAND_FILES; | |
| 3428 expanded_fname = ExpandOne(&xpc, (char_u *)fname, NULL, | |
| 3429 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); | |
| 3430 if (expanded_fname != NULL) | |
| 3431 fname = expanded_fname; | |
| 3432 } | |
| 3433 | |
| 3434 if ((p_tr || curbuf->b_help) | |
| 3435 && !vim_isAbsName(fname) | |
| 3436 && (p = gettail(tag_fname)) != tag_fname) | |
| 3437 { | |
| 3438 retval = alloc(MAXPATHL); | |
| 3439 if (retval != NULL) | |
| 3440 { | |
| 3441 STRCPY(retval, tag_fname); | |
| 418 | 3442 vim_strncpy(retval + (p - tag_fname), fname, |
| 3443 MAXPATHL - (p - tag_fname) - 1); | |
| 7 | 3444 /* |
| 3445 * Translate names like "src/a/../b/file.c" into "src/b/file.c". | |
| 3446 */ | |
| 3447 simplify_filename(retval); | |
| 3448 } | |
| 3449 } | |
| 3450 else | |
| 3451 retval = vim_strsave(fname); | |
| 3452 | |
| 3453 vim_free(expanded_fname); | |
| 3454 | |
| 3455 return retval; | |
| 3456 } | |
| 3457 | |
| 3458 /* | |
| 3459 * Converts a file name into a canonical form. It simplifies a file name into | |
| 3460 * its simplest form by stripping out unneeded components, if any. The | |
| 3461 * resulting file name is simplified in place and will either be the same | |
| 3462 * length as that supplied, or shorter. | |
| 3463 */ | |
| 3464 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3465 simplify_filename(char_u *filename) |
| 7 | 3466 { |
| 3467 #ifndef AMIGA /* Amiga doesn't have "..", it uses "/" */ | |
| 3468 int components = 0; | |
| 3469 char_u *p, *tail, *start; | |
| 3470 int stripping_disabled = FALSE; | |
| 3471 int relative = TRUE; | |
| 3472 | |
| 3473 p = filename; | |
| 3474 #ifdef BACKSLASH_IN_FILENAME | |
| 3475 if (p[1] == ':') /* skip "x:" */ | |
| 3476 p += 2; | |
| 3477 #endif | |
| 3478 | |
| 3479 if (vim_ispathsep(*p)) | |
| 3480 { | |
| 3481 relative = FALSE; | |
| 3482 do | |
| 3483 ++p; | |
| 3484 while (vim_ispathsep(*p)); | |
| 3485 } | |
| 3486 start = p; /* remember start after "c:/" or "/" or "///" */ | |
| 3487 | |
| 3488 do | |
| 3489 { | |
| 3490 /* At this point "p" is pointing to the char following a single "/" | |
| 3491 * or "p" is at the "start" of the (absolute or relative) path name. */ | |
| 3492 #ifdef VMS | |
| 3493 /* VMS allows device:[path] - don't strip the [ in directory */ | |
| 3494 if ((*p == '[' || *p == '<') && p > filename && p[-1] == ':') | |
| 3495 { | |
| 3496 /* :[ or :< composition: vms directory component */ | |
| 3497 ++components; | |
| 3498 p = getnextcomp(p + 1); | |
| 3499 } | |
| 3500 /* allow remote calls as host"user passwd"::device:[path] */ | |
| 3501 else if (p[0] == ':' && p[1] == ':' && p > filename && p[-1] == '"' ) | |
| 3502 { | |
| 3503 /* ":: composition: vms host/passwd component */ | |
| 3504 ++components; | |
| 3505 p = getnextcomp(p + 2); | |
| 3506 } | |
| 3507 else | |
| 3508 #endif | |
| 3509 if (vim_ispathsep(*p)) | |
| 1620 | 3510 STRMOVE(p, p + 1); /* remove duplicate "/" */ |
| 7 | 3511 else if (p[0] == '.' && (vim_ispathsep(p[1]) || p[1] == NUL)) |
| 3512 { | |
| 3513 if (p == start && relative) | |
| 3514 p += 1 + (p[1] != NUL); /* keep single "." or leading "./" */ | |
| 3515 else | |
| 3516 { | |
| 3517 /* Strip "./" or ".///". If we are at the end of the file name | |
| 3518 * and there is no trailing path separator, either strip "/." if | |
| 3519 * we are after "start", or strip "." if we are at the beginning | |
| 3520 * of an absolute path name . */ | |
| 3521 tail = p + 1; | |
| 3522 if (p[1] != NUL) | |
| 3523 while (vim_ispathsep(*tail)) | |
| 39 | 3524 mb_ptr_adv(tail); |
| 7 | 3525 else if (p > start) |
| 3526 --p; /* strip preceding path separator */ | |
| 1620 | 3527 STRMOVE(p, tail); |
| 7 | 3528 } |
| 3529 } | |
| 3530 else if (p[0] == '.' && p[1] == '.' && | |
| 3531 (vim_ispathsep(p[2]) || p[2] == NUL)) | |
| 3532 { | |
| 3533 /* Skip to after ".." or "../" or "..///". */ | |
| 3534 tail = p + 2; | |
| 3535 while (vim_ispathsep(*tail)) | |
| 39 | 3536 mb_ptr_adv(tail); |
| 7 | 3537 |
| 3538 if (components > 0) /* strip one preceding component */ | |
| 3539 { | |
| 3540 int do_strip = FALSE; | |
| 3541 char_u saved_char; | |
| 3542 struct stat st; | |
| 3543 | |
| 3544 /* Don't strip for an erroneous file name. */ | |
| 3545 if (!stripping_disabled) | |
| 3546 { | |
| 3547 /* If the preceding component does not exist in the file | |
| 3548 * system, we strip it. On Unix, we don't accept a symbolic | |
| 3549 * link that refers to a non-existent file. */ | |
| 3550 saved_char = p[-1]; | |
| 3551 p[-1] = NUL; | |
| 3552 #ifdef UNIX | |
| 3553 if (mch_lstat((char *)filename, &st) < 0) | |
| 3554 #else | |
| 3555 if (mch_stat((char *)filename, &st) < 0) | |
| 3556 #endif | |
| 3557 do_strip = TRUE; | |
| 3558 p[-1] = saved_char; | |
| 3559 | |
| 3560 --p; | |
| 3561 /* Skip back to after previous '/'. */ | |
| 39 | 3562 while (p > start && !after_pathsep(start, p)) |
| 3563 mb_ptr_back(start, p); | |
| 7 | 3564 |
| 3565 if (!do_strip) | |
| 3566 { | |
| 3567 /* If the component exists in the file system, check | |
| 3568 * that stripping it won't change the meaning of the | |
| 3569 * file name. First get information about the | |
| 3570 * unstripped file name. This may fail if the component | |
| 3571 * to strip is not a searchable directory (but a regular | |
| 3572 * file, for instance), since the trailing "/.." cannot | |
| 3573 * be applied then. We don't strip it then since we | |
| 3574 * don't want to replace an erroneous file name by | |
| 3575 * a valid one, and we disable stripping of later | |
| 3576 * components. */ | |
| 3577 saved_char = *tail; | |
| 3578 *tail = NUL; | |
| 3579 if (mch_stat((char *)filename, &st) >= 0) | |
| 3580 do_strip = TRUE; | |
| 3581 else | |
| 3582 stripping_disabled = TRUE; | |
| 3583 *tail = saved_char; | |
| 3584 #ifdef UNIX | |
| 3585 if (do_strip) | |
| 3586 { | |
| 3587 struct stat new_st; | |
| 3588 | |
| 3589 /* On Unix, the check for the unstripped file name | |
| 3590 * above works also for a symbolic link pointing to | |
| 3591 * a searchable directory. But then the parent of | |
| 3592 * the directory pointed to by the link must be the | |
| 3593 * same as the stripped file name. (The latter | |
| 3594 * exists in the file system since it is the | |
| 3595 * component's parent directory.) */ | |
| 3596 if (p == start && relative) | |
| 3597 (void)mch_stat(".", &new_st); | |
| 3598 else | |
| 3599 { | |
| 3600 saved_char = *p; | |
| 3601 *p = NUL; | |
| 3602 (void)mch_stat((char *)filename, &new_st); | |
| 3603 *p = saved_char; | |
| 3604 } | |
| 3605 | |
| 3606 if (new_st.st_ino != st.st_ino || | |
| 3607 new_st.st_dev != st.st_dev) | |
| 3608 { | |
| 3609 do_strip = FALSE; | |
| 3610 /* We don't disable stripping of later | |
| 3611 * components since the unstripped path name is | |
| 3612 * still valid. */ | |
| 3613 } | |
| 3614 } | |
| 3615 #endif | |
| 3616 } | |
| 3617 } | |
| 3618 | |
| 3619 if (!do_strip) | |
| 3620 { | |
| 3621 /* Skip the ".." or "../" and reset the counter for the | |
| 3622 * components that might be stripped later on. */ | |
| 3623 p = tail; | |
| 3624 components = 0; | |
| 3625 } | |
| 3626 else | |
| 3627 { | |
| 3628 /* Strip previous component. If the result would get empty | |
| 3629 * and there is no trailing path separator, leave a single | |
| 3630 * "." instead. If we are at the end of the file name and | |
| 3631 * there is no trailing path separator and a preceding | |
| 3632 * component is left after stripping, strip its trailing | |
| 3633 * path separator as well. */ | |
| 3634 if (p == start && relative && tail[-1] == '.') | |
| 3635 { | |
| 3636 *p++ = '.'; | |
| 3637 *p = NUL; | |
| 3638 } | |
| 3639 else | |
| 3640 { | |
| 3641 if (p > start && tail[-1] == '.') | |
| 3642 --p; | |
| 1620 | 3643 STRMOVE(p, tail); /* strip previous component */ |
| 7 | 3644 } |
| 3645 | |
| 3646 --components; | |
| 3647 } | |
| 3648 } | |
| 3649 else if (p == start && !relative) /* leading "/.." or "/../" */ | |
| 1620 | 3650 STRMOVE(p, tail); /* strip ".." or "../" */ |
| 7 | 3651 else |
| 3652 { | |
| 3653 if (p == start + 2 && p[-2] == '.') /* leading "./../" */ | |
| 3654 { | |
| 1620 | 3655 STRMOVE(p - 2, p); /* strip leading "./" */ |
| 7 | 3656 tail -= 2; |
| 3657 } | |
| 3658 p = tail; /* skip to char after ".." or "../" */ | |
| 3659 } | |
| 3660 } | |
| 3661 else | |
| 3662 { | |
| 3663 ++components; /* simple path component */ | |
| 3664 p = getnextcomp(p); | |
| 3665 } | |
| 3666 } while (*p != NUL); | |
| 3667 #endif /* !AMIGA */ | |
| 3668 } | |
| 3669 | |
| 3670 /* | |
| 3671 * Check if we have a tag for the buffer with name "buf_ffname". | |
| 3672 * This is a bit slow, because of the full path compare in fullpathcmp(). | |
| 3673 * Return TRUE if tag for file "fname" if tag file "tag_fname" is for current | |
| 3674 * file. | |
| 3675 */ | |
| 3676 static int | |
|
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parents:
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diff
changeset
|
3677 test_for_current( |
| 7 | 3678 #ifdef FEAT_EMACS_TAGS |
|
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parents:
7805
diff
changeset
|
3679 int is_etag, |
| 7 | 3680 #endif |
|
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parents:
7805
diff
changeset
|
3681 char_u *fname, |
|
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parents:
7805
diff
changeset
|
3682 char_u *fname_end, |
|
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parents:
7805
diff
changeset
|
3683 char_u *tag_fname, |
|
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parents:
7805
diff
changeset
|
3684 char_u *buf_ffname) |
| 7 | 3685 { |
| 3686 int c; | |
| 3687 int retval = FALSE; | |
| 3688 char_u *fullname; | |
| 3689 | |
| 3690 if (buf_ffname != NULL) /* if the buffer has a name */ | |
| 3691 { | |
| 3692 #ifdef FEAT_EMACS_TAGS | |
| 3693 if (is_etag) | |
| 3694 c = 0; /* to shut up GCC */ | |
| 3695 else | |
| 3696 #endif | |
| 3697 { | |
| 3698 c = *fname_end; | |
| 3699 *fname_end = NUL; | |
| 3700 } | |
| 3701 fullname = expand_tag_fname(fname, tag_fname, TRUE); | |
| 3702 if (fullname != NULL) | |
| 3703 { | |
| 3704 retval = (fullpathcmp(fullname, buf_ffname, TRUE) & FPC_SAME); | |
| 3705 vim_free(fullname); | |
| 3706 } | |
| 3707 #ifdef FEAT_EMACS_TAGS | |
| 3708 if (!is_etag) | |
| 3709 #endif | |
| 3710 *fname_end = c; | |
| 3711 } | |
| 3712 | |
| 3713 return retval; | |
| 3714 } | |
| 3715 | |
| 3716 /* | |
| 3717 * Find the end of the tagaddress. | |
| 3718 * Return OK if ";\"" is following, FAIL otherwise. | |
| 3719 */ | |
| 3720 static int | |
|
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parents:
7805
diff
changeset
|
3721 find_extra(char_u **pp) |
| 7 | 3722 { |
| 3723 char_u *str = *pp; | |
| 3724 | |
| 3725 /* Repeat for addresses separated with ';' */ | |
| 3726 for (;;) | |
| 3727 { | |
| 3728 if (VIM_ISDIGIT(*str)) | |
| 3729 str = skipdigits(str); | |
| 3730 else if (*str == '/' || *str == '?') | |
| 3731 { | |
| 3732 str = skip_regexp(str + 1, *str, FALSE, NULL); | |
| 3733 if (*str != **pp) | |
| 3734 str = NULL; | |
| 3735 else | |
| 3736 ++str; | |
| 3737 } | |
| 3738 else | |
| 3739 str = NULL; | |
| 3740 if (str == NULL || *str != ';' | |
| 3741 || !(VIM_ISDIGIT(str[1]) || str[1] == '/' || str[1] == '?')) | |
| 3742 break; | |
| 3743 ++str; /* skip ';' */ | |
| 3744 } | |
| 3745 | |
| 3746 if (str != NULL && STRNCMP(str, ";\"", 2) == 0) | |
| 3747 { | |
| 3748 *pp = str; | |
| 3749 return OK; | |
| 3750 } | |
| 3751 return FAIL; | |
| 3752 } | |
| 3753 | |
| 3754 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 3755 int | |
|
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parents:
7805
diff
changeset
|
3756 expand_tags( |
|
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parents:
7805
diff
changeset
|
3757 int tagnames, /* expand tag names */ |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3758 char_u *pat, |
|
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parents:
7805
diff
changeset
|
3759 int *num_file, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3760 char_u ***file) |
| 7 | 3761 { |
| 3762 int i; | |
| 3763 int c; | |
| 3764 int tagnmflag; | |
| 3765 char_u tagnm[100]; | |
| 3766 tagptrs_T t_p; | |
| 3767 int ret; | |
| 3768 | |
| 3769 if (tagnames) | |
| 3770 tagnmflag = TAG_NAMES; | |
| 3771 else | |
| 3772 tagnmflag = 0; | |
| 3773 if (pat[0] == '/') | |
| 3774 ret = find_tags(pat + 1, num_file, file, | |
| 3775 TAG_REGEXP | tagnmflag | TAG_VERBOSE, | |
| 3776 TAG_MANY, curbuf->b_ffname); | |
| 3777 else | |
| 3778 ret = find_tags(pat, num_file, file, | |
| 3779 TAG_REGEXP | tagnmflag | TAG_VERBOSE | TAG_NOIC, | |
| 3780 TAG_MANY, curbuf->b_ffname); | |
| 3781 if (ret == OK && !tagnames) | |
| 3782 { | |
| 3783 /* Reorganize the tags for display and matching as strings of: | |
| 3784 * "<tagname>\0<kind>\0<filename>\0" | |
| 3785 */ | |
| 3786 for (i = 0; i < *num_file; i++) | |
| 3787 { | |
| 3788 parse_match((*file)[i], &t_p); | |
| 3789 c = (int)(t_p.tagname_end - t_p.tagname); | |
| 3790 mch_memmove(tagnm, t_p.tagname, (size_t)c); | |
| 3791 tagnm[c++] = 0; | |
| 3792 tagnm[c++] = (t_p.tagkind != NULL && *t_p.tagkind) | |
| 3793 ? *t_p.tagkind : 'f'; | |
| 3794 tagnm[c++] = 0; | |
| 3795 mch_memmove((*file)[i] + c, t_p.fname, t_p.fname_end - t_p.fname); | |
| 3796 (*file)[i][c + (t_p.fname_end - t_p.fname)] = 0; | |
| 3797 mch_memmove((*file)[i], tagnm, (size_t)c); | |
| 3798 } | |
| 3799 } | |
| 3800 return ret; | |
| 3801 } | |
| 3802 #endif | |
| 179 | 3803 |
| 3804 #if defined(FEAT_EVAL) || defined(PROTO) | |
|
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7266
diff
changeset
|
3805 static int add_tag_field(dict_T *dict, char *field_name, char_u *start, char_u *end); |
| 179 | 3806 |
| 3807 /* | |
| 2185 | 3808 * Add a tag field to the dictionary "dict". |
| 3809 * Return OK or FAIL. | |
| 179 | 3810 */ |
| 3811 static int | |
|
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diff
changeset
|
3812 add_tag_field( |
|
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parents:
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diff
changeset
|
3813 dict_T *dict, |
|
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parents:
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changeset
|
3814 char *field_name, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3815 char_u *start, /* start of the value */ |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3816 char_u *end) /* after the value; can be NULL */ |
| 179 | 3817 { |
| 2770 | 3818 char_u *buf; |
| 188 | 3819 int len = 0; |
| 2770 | 3820 int retval; |
| 179 | 3821 |
| 2185 | 3822 /* check that the field name doesn't exist yet */ |
| 3823 if (dict_find(dict, (char_u *)field_name, -1) != NULL) | |
| 3824 { | |
| 3825 if (p_verbose > 0) | |
| 3826 { | |
| 3827 verbose_enter(); | |
| 3828 smsg((char_u *)_("Duplicate field name: %s"), field_name); | |
| 3829 verbose_leave(); | |
| 3830 } | |
| 3831 return FAIL; | |
| 3832 } | |
| 2770 | 3833 buf = alloc(MAXPATHL); |
| 3834 if (buf == NULL) | |
| 3835 return FAIL; | |
| 188 | 3836 if (start != NULL) |
| 3837 { | |
| 211 | 3838 if (end == NULL) |
| 3839 { | |
| 3840 end = start + STRLEN(start); | |
| 3841 while (end > start && (end[-1] == '\r' || end[-1] == '\n')) | |
| 3842 --end; | |
| 3843 } | |
| 835 | 3844 len = (int)(end - start); |
| 2770 | 3845 if (len > MAXPATHL - 1) |
| 3846 len = MAXPATHL - 1; | |
| 418 | 3847 vim_strncpy(buf, start, len); |
| 188 | 3848 } |
| 179 | 3849 buf[len] = NUL; |
| 2770 | 3850 retval = dict_add_nr_str(dict, field_name, 0L, buf); |
| 3851 vim_free(buf); | |
| 3852 return retval; | |
| 179 | 3853 } |
| 3854 | |
| 3855 /* | |
| 3856 * Add the tags matching the specified pattern to the list "list" | |
| 3857 * as a dictionary | |
| 3858 */ | |
| 3859 int | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3860 get_tags(list_T *list, char_u *pat) |
| 179 | 3861 { |
| 3862 int num_matches, i, ret; | |
| 3863 char_u **matches, *p; | |
| 970 | 3864 char_u *full_fname; |
| 179 | 3865 dict_T *dict; |
| 3866 tagptrs_T tp; | |
| 3867 long is_static; | |
| 3868 | |
| 3869 ret = find_tags(pat, &num_matches, &matches, | |
| 3870 TAG_REGEXP | TAG_NOIC, (int)MAXCOL, NULL); | |
| 3871 if (ret == OK && num_matches > 0) | |
| 3872 { | |
| 3873 for (i = 0; i < num_matches; ++i) | |
| 3874 { | |
| 188 | 3875 parse_match(matches[i], &tp); |
| 3876 is_static = test_for_static(&tp); | |
| 3877 | |
| 3878 /* Skip pseudo-tag lines. */ | |
| 3879 if (STRNCMP(tp.tagname, "!_TAG_", 6) == 0) | |
| 3880 continue; | |
| 3881 | |
| 179 | 3882 if ((dict = dict_alloc()) == NULL) |
| 3883 ret = FAIL; | |
| 3884 if (list_append_dict(list, dict) == FAIL) | |
| 3885 ret = FAIL; | |
| 3886 | |
| 970 | 3887 full_fname = tag_full_fname(&tp); |
| 179 | 3888 if (add_tag_field(dict, "name", tp.tagname, tp.tagname_end) == FAIL |
| 970 | 3889 || add_tag_field(dict, "filename", full_fname, |
| 3890 NULL) == FAIL | |
| 179 | 3891 || add_tag_field(dict, "cmd", tp.command, |
| 3892 tp.command_end) == FAIL | |
| 3893 || add_tag_field(dict, "kind", tp.tagkind, | |
| 3894 tp.tagkind_end) == FAIL | |
| 3895 || dict_add_nr_str(dict, "static", is_static, NULL) == FAIL) | |
| 3896 ret = FAIL; | |
| 3897 | |
| 970 | 3898 vim_free(full_fname); |
| 3899 | |
| 179 | 3900 if (tp.command_end != NULL) |
| 3901 { | |
| 3902 for (p = tp.command_end + 3; | |
| 3903 *p != NUL && *p != '\n' && *p != '\r'; ++p) | |
| 3904 { | |
| 3905 if (p == tp.tagkind || (p + 5 == tp.tagkind | |
| 3906 && STRNCMP(p, "kind:", 5) == 0)) | |
| 3907 /* skip "kind:<kind>" and "<kind>" */ | |
| 3908 p = tp.tagkind_end - 1; | |
| 3909 else if (STRNCMP(p, "file:", 5) == 0) | |
| 3910 /* skip "file:" (static tag) */ | |
| 3911 p += 4; | |
| 188 | 3912 else if (!vim_iswhite(*p)) |
| 179 | 3913 { |
| 3914 char_u *s, *n; | |
| 188 | 3915 int len; |
| 179 | 3916 |
| 799 | 3917 /* Add extra field as a dict entry. Fields are |
| 3918 * separated by Tabs. */ | |
| 179 | 3919 n = p; |
| 799 | 3920 while (*p != NUL && *p >= ' ' && *p < 127 && *p != ':') |
| 179 | 3921 ++p; |
| 835 | 3922 len = (int)(p - n); |
| 188 | 3923 if (*p == ':' && len > 0) |
| 3924 { | |
| 3925 s = ++p; | |
| 836 | 3926 while (*p != NUL && *p >= ' ') |
| 188 | 3927 ++p; |
| 3928 n[len] = NUL; | |
| 3929 if (add_tag_field(dict, (char *)n, s, p) == FAIL) | |
| 3930 ret = FAIL; | |
| 3931 n[len] = ':'; | |
| 3932 } | |
| 836 | 3933 else |
| 3934 /* Skip field without colon. */ | |
| 3935 while (*p != NUL && *p >= ' ') | |
| 3936 ++p; | |
| 1674 | 3937 if (*p == NUL) |
| 3938 break; | |
| 179 | 3939 } |
| 3940 } | |
| 3941 } | |
| 3942 | |
| 3943 vim_free(matches[i]); | |
| 3944 } | |
| 3945 vim_free(matches); | |
| 3946 } | |
| 3947 return ret; | |
| 3948 } | |
| 3949 #endif |