|
7
|
1 " matchit.vim: (global plugin) Extended "%" matching
|
|
|
2 " Last Change: Sat May 15 11:00 AM 2004 EDT
|
|
|
3 " Maintainer: Benji Fisher PhD <benji@member.AMS.org>
|
|
|
4 " Version: 1.9, for Vim 6.3
|
|
|
5 " URL: http://www.vim.org/script.php?script_id=39
|
|
|
6
|
|
|
7 " Documentation:
|
|
|
8 " The documentation is in a separate file, matchit.txt .
|
|
|
9
|
|
|
10 " Credits:
|
|
|
11 " Vim editor by Bram Moolenaar (Thanks, Bram!)
|
|
|
12 " Original script and design by Raul Segura Acevedo
|
|
|
13 " Support for comments by Douglas Potts
|
|
|
14 " Support for back references and other improvements by Benji Fisher
|
|
|
15 " Support for many languages by Johannes Zellner
|
|
|
16 " Suggestions for improvement, bug reports, and support for additional
|
|
|
17 " languages by Jordi-Albert Batalla, Neil Bird, Servatius Brandt, Mark
|
|
|
18 " Collett, Stephen Wall, Dany St-Amant, and Johannes Zellner.
|
|
|
19
|
|
|
20 " Debugging:
|
|
|
21 " If you'd like to try the built-in debugging commands...
|
|
|
22 " :MatchDebug to activate debugging for the current buffer
|
|
|
23 " This saves the values of several key script variables as buffer-local
|
|
|
24 " variables. See the MatchDebug() function, below, for details.
|
|
|
25
|
|
|
26 " TODO: I should think about multi-line patterns for b:match_words.
|
|
|
27 " This would require an option: how many lines to scan (default 1).
|
|
|
28 " This would be useful for Python, maybe also for *ML.
|
|
|
29 " TODO: Maybe I should add a menu so that people will actually use some of
|
|
|
30 " the features that I have implemented.
|
|
|
31 " TODO: Eliminate the MultiMatch function. Add yet another argument to
|
|
|
32 " Match_wrapper() instead.
|
|
|
33 " TODO: Allow :let b:match_words = '\(\(foo\)\(bar\)\):\3\2:end\1'
|
|
|
34 " TODO: Make backrefs safer by using '\V' (very no-magic).
|
|
|
35 " TODO: Add a level of indirection, so that custom % scripts can use my
|
|
|
36 " work but extend it.
|
|
|
37
|
|
|
38 " allow user to prevent loading
|
|
|
39 " and prevent duplicate loading
|
|
|
40 if exists("loaded_matchit") || &cp
|
|
|
41 finish
|
|
|
42 endif
|
|
|
43 let loaded_matchit = 1
|
|
|
44 let s:last_mps = ""
|
|
|
45 let s:last_words = ""
|
|
|
46
|
|
|
47 let s:save_cpo = &cpo
|
|
|
48 set cpo&vim
|
|
|
49
|
|
|
50 nnoremap <silent> % :<C-U>call <SID>Match_wrapper('',1,'n') <CR>
|
|
|
51 nnoremap <silent> g% :<C-U>call <SID>Match_wrapper('',0,'n') <CR>
|
|
|
52 vnoremap <silent> % :<C-U>call <SID>Match_wrapper('',1,'v') <CR>m'gv``
|
|
|
53 vnoremap <silent> g% :<C-U>call <SID>Match_wrapper('',0,'v') <CR>m'gv``
|
|
|
54 onoremap <silent> % v:<C-U>call <SID>Match_wrapper('',1,'o') <CR>
|
|
|
55 onoremap <silent> g% v:<C-U>call <SID>Match_wrapper('',0,'o') <CR>
|
|
|
56
|
|
|
57 " Analogues of [{ and ]} using matching patterns:
|
|
|
58 nnoremap <silent> [% :<C-U>call <SID>MultiMatch("bW", "n") <CR>
|
|
|
59 nnoremap <silent> ]% :<C-U>call <SID>MultiMatch("W", "n") <CR>
|
|
|
60 vmap [% <Esc>[%m'gv``
|
|
|
61 vmap ]% <Esc>]%m'gv``
|
|
|
62 " vnoremap <silent> [% :<C-U>call <SID>MultiMatch("bW", "v") <CR>m'gv``
|
|
|
63 " vnoremap <silent> ]% :<C-U>call <SID>MultiMatch("W", "v") <CR>m'gv``
|
|
|
64 onoremap <silent> [% v:<C-U>call <SID>MultiMatch("bW", "o") <CR>
|
|
|
65 onoremap <silent> ]% v:<C-U>call <SID>MultiMatch("W", "o") <CR>
|
|
|
66
|
|
|
67 " text object:
|
|
|
68 vmap a% <Esc>[%v]%
|
|
|
69
|
|
|
70 " Auto-complete mappings: (not yet "ready for prime time")
|
|
|
71 " TODO Read :help write-plugin for the "right" way to let the user
|
|
|
72 " specify a key binding.
|
|
|
73 " let g:match_auto = '<C-]>'
|
|
|
74 " let g:match_autoCR = '<C-CR>'
|
|
|
75 " if exists("g:match_auto")
|
|
|
76 " execute "inoremap " . g:match_auto . ' x<Esc>"=<SID>Autocomplete()<CR>Pls'
|
|
|
77 " endif
|
|
|
78 " if exists("g:match_autoCR")
|
|
|
79 " execute "inoremap " . g:match_autoCR . ' <CR><C-R>=<SID>Autocomplete()<CR>'
|
|
|
80 " endif
|
|
|
81 " if exists("g:match_gthhoh")
|
|
|
82 " execute "inoremap " . g:match_gthhoh . ' <C-O>:call <SID>Gthhoh()<CR>'
|
|
|
83 " endif " gthhoh = "Get the heck out of here!"
|
|
|
84
|
|
|
85 let s:notslash = '\\\@<!\%(\\\\\)*'
|
|
|
86
|
|
|
87 function! s:Match_wrapper(word, forward, mode) range
|
|
|
88 " In s:CleanUp(), :execute "set" restore_options .
|
|
|
89 let restore_options = (&ic ? " " : " no") . "ignorecase"
|
|
|
90 if exists("b:match_ignorecase")
|
|
|
91 let &ignorecase = b:match_ignorecase
|
|
|
92 endif
|
|
|
93 let restore_options = " ve=" . &ve . restore_options
|
|
|
94 set ve=
|
|
|
95 " If this function was called from Visual mode, make sure that the cursor
|
|
|
96 " is at the correct end of the Visual range:
|
|
|
97 if a:mode == "v"
|
|
|
98 execute "normal! gv\<Esc>"
|
|
|
99 endif
|
|
|
100 " In s:CleanUp(), we may need to check whether the cursor moved forward.
|
|
|
101 let startline = line(".")
|
|
|
102 let startcol = col(".")
|
|
|
103 " Use default behavior if called with a count or if no patterns are defined.
|
|
|
104 if v:count
|
|
|
105 exe "normal! " . v:count . "%"
|
|
|
106 return s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
107 elseif !exists("b:match_words") || b:match_words == ""
|
|
|
108 silent! normal! %
|
|
|
109 return s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
110 end
|
|
|
111
|
|
|
112 " First step: if not already done, set the script variables
|
|
|
113 " s:do_BR flag for whether there are backrefs
|
|
|
114 " s:pat parsed version of b:match_words
|
|
|
115 " s:all regexp based on s:pat and the default groups
|
|
|
116 "
|
|
|
117 " Allow b:match_words = "GetVimMatchWords()" .
|
|
|
118 if b:match_words =~ ":"
|
|
|
119 let match_words = b:match_words
|
|
|
120 else
|
|
|
121 execute "let match_words =" b:match_words
|
|
|
122 endif
|
|
|
123 " Thanks to Preben "Peppe" Guldberg and Bram Moolenaar for this suggestion!
|
|
|
124 if (match_words != s:last_words) || (&mps != s:last_mps) ||
|
|
|
125 \ exists("b:match_debug")
|
|
|
126 let s:last_words = match_words
|
|
|
127 let s:last_mps = &mps
|
|
|
128 if match_words !~ s:notslash . '\\\d'
|
|
|
129 let s:do_BR = 0
|
|
|
130 let s:pat = match_words
|
|
|
131 else
|
|
|
132 let s:do_BR = 1
|
|
|
133 let s:pat = s:ParseWords(match_words)
|
|
|
134 endif
|
|
|
135 " The next several lines were here before
|
|
|
136 " BF started messing with this script.
|
|
|
137 " quote the special chars in 'matchpairs', replace [,:] with \| and then
|
|
|
138 " append the builtin pairs (/*, */, #if, #ifdef, #else, #elif, #endif)
|
|
|
139 " let default = substitute(escape(&mps, '[$^.*~\\/?]'), '[,:]\+',
|
|
|
140 " \ '\\|', 'g').'\|\/\*\|\*\/\|#if\>\|#ifdef\>\|#else\>\|#elif\>\|#endif\>'
|
|
|
141 let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
|
|
|
142 \ '\/\*:\*\/,#if\%(def\)\=:#else\>:#elif\>:#endif\>'
|
|
|
143 " s:all = pattern with all the keywords
|
|
|
144 let s:all = s:pat . (strlen(s:pat) ? "," : "") . default
|
|
|
145 let s:all = substitute(s:all, s:notslash . '\zs[,:]\+', '\\|', 'g')
|
|
|
146 let s:all = '\%(' . s:all . '\)'
|
|
|
147 " let s:all = '\%(' . substitute(s:all, '\\\ze[,:]', '', 'g') . '\)'
|
|
|
148 if exists("b:match_debug")
|
|
|
149 let b:match_pat = s:pat
|
|
|
150 endif
|
|
|
151 endif
|
|
|
152
|
|
|
153 " Second step: set the following local variables:
|
|
|
154 " matchline = line on which the cursor started
|
|
|
155 " curcol = number of characters before match
|
|
|
156 " prefix = regexp for start of line to start of match
|
|
|
157 " suffix = regexp for end of match to end of line
|
|
|
158 " Require match to end on or after the cursor and prefer it to
|
|
|
159 " start on or before the cursor.
|
|
|
160 let matchline = getline(startline)
|
|
|
161 if a:word != ''
|
|
|
162 " word given
|
|
|
163 if a:word !~ s:all
|
|
|
164 echohl WarningMsg|echo 'Missing rule for word:"'.a:word.'"'|echohl NONE
|
|
|
165 return s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
166 endif
|
|
|
167 let matchline = a:word
|
|
|
168 let curcol = 0
|
|
|
169 let prefix = '^\%('
|
|
|
170 let suffix = '\)$'
|
|
|
171 " Now the case when "word" is not given
|
|
|
172 else " Find the match that ends on or after the cursor and set curcol.
|
|
|
173 let regexp = s:Wholematch(matchline, s:all, startcol-1)
|
|
|
174 let curcol = match(matchline, regexp)
|
|
|
175 let suf = strlen(matchline) - matchend(matchline, regexp)
|
|
|
176 let prefix = (curcol ? '^.\{' . curcol . '}\%(' : '^\%(')
|
|
|
177 let suffix = (suf ? '\).\{' . suf . '}$' : '\)$')
|
|
|
178 " If the match comes from the defaults, bail out.
|
|
|
179 if matchline !~ prefix .
|
|
|
180 \ substitute(s:pat, s:notslash.'\zs[,:]\+', '\\|', 'g') . suffix
|
|
|
181 silent! norm! %
|
|
|
182 return s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
183 endif
|
|
|
184 endif
|
|
|
185 if exists("b:match_debug")
|
|
|
186 let b:match_match = matchstr(matchline, regexp)
|
|
|
187 let b:match_col = curcol+1
|
|
|
188 endif
|
|
|
189
|
|
|
190 " Third step: Find the group and single word that match, and the original
|
|
|
191 " (backref) versions of these. Then, resolve the backrefs.
|
|
|
192 " Set the following local variable:
|
|
|
193 " group = colon-separated list of patterns, one of which matches
|
|
|
194 " = ini:mid:fin or ini:fin
|
|
|
195 "
|
|
|
196 " Reconstruct the version with unresolved backrefs.
|
|
|
197 let patBR = substitute(match_words.',',
|
|
|
198 \ s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
|
|
|
199 let patBR = substitute(patBR, s:notslash.'\zs:\{2,}', ':', 'g')
|
|
|
200 " Now, set group and groupBR to the matching group: 'if:endif' or
|
|
|
201 " 'while:endwhile' or whatever. A bit of a kluge: s:Choose() returns
|
|
|
202 " group . "," . groupBR, and we pick it apart.
|
|
|
203 let group = s:Choose(s:pat, matchline, ",", ":", prefix, suffix, patBR)
|
|
|
204 let i = matchend(group, s:notslash . ",")
|
|
|
205 let groupBR = strpart(group, i)
|
|
|
206 let group = strpart(group, 0, i-1)
|
|
|
207 " Now, matchline =~ prefix . substitute(group,':','\|','g') . suffix
|
|
|
208 if s:do_BR " Do the hard part: resolve those backrefs!
|
|
|
209 let group = s:InsertRefs(groupBR, prefix, group, suffix, matchline)
|
|
|
210 endif
|
|
|
211 if exists("b:match_debug")
|
|
|
212 let b:match_wholeBR = groupBR
|
|
|
213 let i = matchend(groupBR, s:notslash . ":")
|
|
|
214 let b:match_iniBR = strpart(groupBR, 0, i-1)
|
|
|
215 endif
|
|
|
216
|
|
|
217 " Fourth step: Set the arguments for searchpair().
|
|
|
218 let i = matchend(group, s:notslash . ":")
|
|
|
219 let j = matchend(group, '.*' . s:notslash . ":")
|
|
|
220 let ini = strpart(group, 0, i-1)
|
|
|
221 let mid = substitute(strpart(group, i,j-i-1), s:notslash.'\zs:', '\\|', 'g')
|
|
|
222 let fin = strpart(group, j)
|
|
|
223 " searchpair() requires that these patterns avoid \(\) groups.
|
|
|
224 let ini = substitute(ini, s:notslash . '\zs\\(', '\\%(', 'g')
|
|
|
225 let mid = substitute(mid, s:notslash . '\zs\\(', '\\%(', 'g')
|
|
|
226 let fin = substitute(fin, s:notslash . '\zs\\(', '\\%(', 'g')
|
|
|
227 " Set mid. This is optimized for readability, not micro-efficiency!
|
|
|
228 if a:forward && matchline =~ prefix . fin . suffix
|
|
|
229 \ || !a:forward && matchline =~ prefix . ini . suffix
|
|
|
230 let mid = ""
|
|
|
231 endif
|
|
|
232 " Set flag. This is optimized for readability, not micro-efficiency!
|
|
|
233 if a:forward && matchline =~ prefix . fin . suffix
|
|
|
234 \ || !a:forward && matchline !~ prefix . ini . suffix
|
|
|
235 let flag = "bW"
|
|
|
236 else
|
|
|
237 let flag = "W"
|
|
|
238 endif
|
|
|
239 " Set skip.
|
|
|
240 if exists("b:match_skip")
|
|
|
241 let skip = b:match_skip
|
|
|
242 elseif exists("b:match_comment") " backwards compatibility and testing!
|
|
|
243 let skip = "r:" . b:match_comment
|
|
|
244 else
|
|
|
245 let skip = 's:comment\|string'
|
|
|
246 endif
|
|
|
247 let skip = s:ParseSkip(skip)
|
|
|
248 if exists("b:match_debug")
|
|
|
249 let b:match_ini = ini
|
|
|
250 let b:match_tail = (strlen(mid) ? mid.'\|' : '') . fin
|
|
|
251 endif
|
|
|
252
|
|
|
253 " Fifth step: actually start moving the cursor and call searchpair().
|
|
|
254 " Later, :execute restore_cursor to get to the original screen.
|
|
|
255 let restore_cursor = virtcol(".") . "|"
|
|
|
256 normal! g0
|
|
|
257 let restore_cursor = line(".") . "G" . virtcol(".") . "|zs" . restore_cursor
|
|
|
258 normal! H
|
|
|
259 let restore_cursor = "normal!" . line(".") . "Gzt" . restore_cursor
|
|
|
260 execute restore_cursor
|
|
|
261 normal! 0
|
|
|
262 if curcol
|
|
|
263 execute "normal!" . curcol . "l"
|
|
|
264 endif
|
|
|
265 if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
|
|
|
266 let skip = "0"
|
|
|
267 else
|
|
|
268 execute "if " . skip . "| let skip = '0' | endif"
|
|
|
269 endif
|
|
|
270 let sp_return = searchpair(ini, mid, fin, flag, skip)
|
|
|
271 let final_position = "call cursor(" . line(".") . "," . col(".") . ")"
|
|
|
272 " Restore cursor position and original screen.
|
|
|
273 execute restore_cursor
|
|
|
274 normal! m'
|
|
|
275 if sp_return > 0
|
|
|
276 execute final_position
|
|
|
277 endif
|
|
|
278 return s:CleanUp(restore_options, a:mode, startline, startcol, mid.'\|'.fin)
|
|
|
279 endfun
|
|
|
280
|
|
|
281 " Restore options and do some special handling for Operator-pending mode.
|
|
|
282 " The optional argument is the tail of the matching group.
|
|
|
283 fun! s:CleanUp(options, mode, startline, startcol, ...)
|
|
|
284 execute "set" a:options
|
|
|
285 " Open folds, if appropriate.
|
|
|
286 if a:mode != "o"
|
|
|
287 if &foldopen =~ "percent"
|
|
|
288 normal! zv
|
|
|
289 endif
|
|
|
290 " In Operator-pending mode, we want to include the whole match
|
|
|
291 " (for example, d%).
|
|
|
292 " This is only a problem if we end up moving in the forward direction.
|
|
|
293 elseif (a:startline < line(".")) ||
|
|
|
294 \ (a:startline == line(".") && a:startcol < col("."))
|
|
|
295 if a:0
|
|
|
296 " Check whether the match is a single character. If not, move to the
|
|
|
297 " end of the match.
|
|
|
298 let matchline = getline(".")
|
|
|
299 let currcol = col(".")
|
|
|
300 let regexp = s:Wholematch(matchline, a:1, currcol-1)
|
|
|
301 let endcol = matchend(matchline, regexp)
|
|
|
302 if endcol > currcol " This is NOT off by one!
|
|
|
303 execute "normal!" . (endcol - currcol) . "l"
|
|
|
304 endif
|
|
|
305 endif " a:0
|
|
|
306 endif " a:mode != "o" && etc.
|
|
|
307 return 0
|
|
|
308 endfun
|
|
|
309
|
|
|
310 " Example (simplified HTML patterns): if
|
|
|
311 " a:groupBR = '<\(\k\+\)>:</\1>'
|
|
|
312 " a:prefix = '^.\{3}\('
|
|
|
313 " a:group = '<\(\k\+\)>:</\(\k\+\)>'
|
|
|
314 " a:suffix = '\).\{2}$'
|
|
|
315 " a:matchline = "123<tag>12" or "123</tag>12"
|
|
|
316 " then extract "tag" from a:matchline and return "<tag>:</tag>" .
|
|
|
317 fun! s:InsertRefs(groupBR, prefix, group, suffix, matchline)
|
|
|
318 if a:matchline !~ a:prefix .
|
|
|
319 \ substitute(a:group, s:notslash . '\zs:', '\\|', 'g') . a:suffix
|
|
|
320 return a:group
|
|
|
321 endif
|
|
|
322 let i = matchend(a:groupBR, s:notslash . ':')
|
|
|
323 let ini = strpart(a:groupBR, 0, i-1)
|
|
|
324 let tailBR = strpart(a:groupBR, i)
|
|
|
325 let word = s:Choose(a:group, a:matchline, ":", "", a:prefix, a:suffix,
|
|
|
326 \ a:groupBR)
|
|
|
327 let i = matchend(word, s:notslash . ":")
|
|
|
328 let wordBR = strpart(word, i)
|
|
|
329 let word = strpart(word, 0, i-1)
|
|
|
330 " Now, a:matchline =~ a:prefix . word . a:suffix
|
|
|
331 if wordBR != ini
|
|
|
332 let table = s:Resolve(ini, wordBR, "table")
|
|
|
333 else
|
|
|
334 " let table = "----------"
|
|
|
335 let table = ""
|
|
|
336 let d = 0
|
|
|
337 while d < 10
|
|
|
338 if tailBR =~ s:notslash . '\\' . d
|
|
|
339 " let table[d] = d
|
|
|
340 let table = table . d
|
|
|
341 else
|
|
|
342 let table = table . "-"
|
|
|
343 endif
|
|
|
344 let d = d + 1
|
|
|
345 endwhile
|
|
|
346 endif
|
|
|
347 let d = 9
|
|
|
348 while d
|
|
|
349 if table[d] != "-"
|
|
|
350 let backref = substitute(a:matchline, a:prefix.word.a:suffix,
|
|
|
351 \ '\'.table[d], "")
|
|
|
352 " Are there any other characters that should be escaped?
|
|
|
353 let backref = escape(backref, '*,:')
|
|
|
354 execute s:Ref(ini, d, "start", "len")
|
|
|
355 let ini = strpart(ini, 0, start) . backref . strpart(ini, start+len)
|
|
|
356 let tailBR = substitute(tailBR, s:notslash . '\zs\\' . d,
|
|
|
357 \ escape(backref, '\\'), 'g')
|
|
|
358 endif
|
|
|
359 let d = d-1
|
|
|
360 endwhile
|
|
|
361 if exists("b:match_debug")
|
|
|
362 if s:do_BR
|
|
|
363 let b:match_table = table
|
|
|
364 let b:match_word = word
|
|
|
365 else
|
|
|
366 let b:match_table = ""
|
|
|
367 let b:match_word = ""
|
|
|
368 endif
|
|
|
369 endif
|
|
|
370 return ini . ":" . tailBR
|
|
|
371 endfun
|
|
|
372
|
|
|
373 " Input a comma-separated list of groups with backrefs, such as
|
|
|
374 " a:groups = '\(foo\):end\1,\(bar\):end\1'
|
|
|
375 " and return a comma-separated list of groups with backrefs replaced:
|
|
|
376 " return '\(foo\):end\(foo\),\(bar\):end\(bar\)'
|
|
|
377 fun! s:ParseWords(groups)
|
|
|
378 let groups = substitute(a:groups.",", s:notslash.'\zs[,:]*,[,:]*', ',', 'g')
|
|
|
379 let groups = substitute(groups, s:notslash . '\zs:\{2,}', ':', 'g')
|
|
|
380 let parsed = ""
|
|
|
381 while groups =~ '[^,:]'
|
|
|
382 let i = matchend(groups, s:notslash . ':')
|
|
|
383 let j = matchend(groups, s:notslash . ',')
|
|
|
384 let ini = strpart(groups, 0, i-1)
|
|
|
385 let tail = strpart(groups, i, j-i-1) . ":"
|
|
|
386 let groups = strpart(groups, j)
|
|
|
387 let parsed = parsed . ini
|
|
|
388 let i = matchend(tail, s:notslash . ':')
|
|
|
389 while i != -1
|
|
|
390 " In 'if:else:endif', ini='if' and word='else' and then word='endif'.
|
|
|
391 let word = strpart(tail, 0, i-1)
|
|
|
392 let tail = strpart(tail, i)
|
|
|
393 let i = matchend(tail, s:notslash . ':')
|
|
|
394 let parsed = parsed . ":" . s:Resolve(ini, word, "word")
|
|
|
395 endwhile " Now, tail has been used up.
|
|
|
396 let parsed = parsed . ","
|
|
|
397 endwhile " groups =~ '[^,:]'
|
|
|
398 return parsed
|
|
|
399 endfun
|
|
|
400
|
|
|
401 " TODO I think this can be simplified and/or made more efficient.
|
|
|
402 " TODO What should I do if a:start is out of range?
|
|
|
403 " Return a regexp that matches all of a:string, such that
|
|
|
404 " matchstr(a:string, regexp) represents the match for a:pat that starts
|
|
|
405 " as close to a:start as possible, before being preferred to after, and
|
|
|
406 " ends after a:start .
|
|
|
407 " Usage:
|
|
|
408 " let regexp = s:Wholematch(getline("."), 'foo\|bar', col(".")-1)
|
|
|
409 " let i = match(getline("."), regexp)
|
|
|
410 " let j = matchend(getline("."), regexp)
|
|
|
411 " let match = matchstr(getline("."), regexp)
|
|
|
412 fun! s:Wholematch(string, pat, start)
|
|
|
413 let group = '\%(' . a:pat . '\)'
|
|
|
414 let prefix = (a:start ? '\(^.\{,' . a:start . '}\)\zs' : '^')
|
|
|
415 let len = strlen(a:string)
|
|
|
416 let suffix = (a:start+1 < len ? '\(.\{,'.(len-a:start-1).'}$\)\@=' : '$')
|
|
|
417 if a:string !~ prefix . group . suffix
|
|
|
418 let prefix = ''
|
|
|
419 endif
|
|
|
420 return prefix . group . suffix
|
|
|
421 endfun
|
|
|
422
|
|
|
423 " No extra arguments: s:Ref(string, d) will
|
|
|
424 " find the d'th occurrence of '\(' and return it, along with everything up
|
|
|
425 " to and including the matching '\)'.
|
|
|
426 " One argument: s:Ref(string, d, "start") returns the index of the start
|
|
|
427 " of the d'th '\(' and any other argument returns the length of the group.
|
|
|
428 " Two arguments: s:Ref(string, d, "foo", "bar") returns a string to be
|
|
|
429 " executed, having the effect of
|
|
|
430 " :let foo = s:Ref(string, d, "start")
|
|
|
431 " :let bar = s:Ref(string, d, "len")
|
|
|
432 fun! s:Ref(string, d, ...)
|
|
|
433 let len = strlen(a:string)
|
|
|
434 if a:d == 0
|
|
|
435 let start = 0
|
|
|
436 else
|
|
|
437 let cnt = a:d
|
|
|
438 let match = a:string
|
|
|
439 while cnt
|
|
|
440 let cnt = cnt - 1
|
|
|
441 let index = matchend(match, s:notslash . '\\(')
|
|
|
442 if index == -1
|
|
|
443 return ""
|
|
|
444 endif
|
|
|
445 let match = strpart(match, index)
|
|
|
446 endwhile
|
|
|
447 let start = len - strlen(match)
|
|
|
448 if a:0 == 1 && a:1 == "start"
|
|
|
449 return start - 2
|
|
|
450 endif
|
|
|
451 let cnt = 1
|
|
|
452 while cnt
|
|
|
453 let index = matchend(match, s:notslash . '\\(\|\\)') - 1
|
|
|
454 if index == -2
|
|
|
455 return ""
|
|
|
456 endif
|
|
|
457 " Increment if an open, decrement if a ')':
|
|
|
458 let cnt = cnt + (match[index]=="(" ? 1 : -1) " ')'
|
|
|
459 " let cnt = stridx('0(', match[index]) + cnt
|
|
|
460 let match = strpart(match, index+1)
|
|
|
461 endwhile
|
|
|
462 let start = start - 2
|
|
|
463 let len = len - start - strlen(match)
|
|
|
464 endif
|
|
|
465 if a:0 == 1
|
|
|
466 return len
|
|
|
467 elseif a:0 == 2
|
|
|
468 return "let " . a:1 . "=" . start . "| let " . a:2 . "=" . len
|
|
|
469 else
|
|
|
470 return strpart(a:string, start, len)
|
|
|
471 endif
|
|
|
472 endfun
|
|
|
473
|
|
|
474 " Count the number of disjoint copies of pattern in string.
|
|
|
475 " If the pattern is a literal string and contains no '0' or '1' characters
|
|
|
476 " then s:Count(string, pattern, '0', '1') should be faster than
|
|
|
477 " s:Count(string, pattern).
|
|
|
478 fun! s:Count(string, pattern, ...)
|
|
|
479 let pat = escape(a:pattern, '\\')
|
|
|
480 if a:0 > 1
|
|
|
481 let foo = substitute(a:string, '[^'.a:pattern.']', "a:1", "g")
|
|
|
482 let foo = substitute(a:string, pat, a:2, "g")
|
|
|
483 let foo = substitute(foo, '[^' . a:2 . ']', "", "g")
|
|
|
484 return strlen(foo)
|
|
|
485 endif
|
|
|
486 let result = 0
|
|
|
487 let foo = a:string
|
|
|
488 let index = matchend(foo, pat)
|
|
|
489 while index != -1
|
|
|
490 let result = result + 1
|
|
|
491 let foo = strpart(foo, index)
|
|
|
492 let index = matchend(foo, pat)
|
|
|
493 endwhile
|
|
|
494 return result
|
|
|
495 endfun
|
|
|
496
|
|
|
497 " s:Resolve('\(a\)\(b\)', '\(c\)\2\1\1\2') should return table.word, where
|
|
|
498 " word = '\(c\)\(b\)\(a\)\3\2' and table = '-32-------'. That is, the first
|
|
|
499 " '\1' in target is replaced by '\(a\)' in word, table[1] = 3, and this
|
|
|
500 " indicates that all other instances of '\1' in target are to be replaced
|
|
|
501 " by '\3'. The hard part is dealing with nesting...
|
|
|
502 " Note that ":" is an illegal character for source and target,
|
|
|
503 " unless it is preceded by "\".
|
|
|
504 fun! s:Resolve(source, target, output)
|
|
|
505 let word = a:target
|
|
|
506 let i = matchend(word, s:notslash . '\\\d') - 1
|
|
|
507 let table = "----------"
|
|
|
508 while i != -2 " There are back references to be replaced.
|
|
|
509 let d = word[i]
|
|
|
510 let backref = s:Ref(a:source, d)
|
|
|
511 " The idea is to replace '\d' with backref. Before we do this,
|
|
|
512 " replace any \(\) groups in backref with :1, :2, ... if they
|
|
|
513 " correspond to the first, second, ... group already inserted
|
|
|
514 " into backref. Later, replace :1 with \1 and so on. The group
|
|
|
515 " number w+b within backref corresponds to the group number
|
|
|
516 " s within a:source.
|
|
|
517 " w = number of '\(' in word before the current one
|
|
|
518 let w = s:Count(
|
|
|
519 \ substitute(strpart(word, 0, i-1), '\\\\', '', 'g'), '\(', '1')
|
|
|
520 let b = 1 " number of the current '\(' in backref
|
|
|
521 let s = d " number of the current '\(' in a:source
|
|
|
522 while b <= s:Count(substitute(backref, '\\\\', '', 'g'), '\(', '1')
|
|
|
523 \ && s < 10
|
|
|
524 if table[s] == "-"
|
|
|
525 if w + b < 10
|
|
|
526 " let table[s] = w + b
|
|
|
527 let table = strpart(table, 0, s) . (w+b) . strpart(table, s+1)
|
|
|
528 endif
|
|
|
529 let b = b + 1
|
|
|
530 let s = s + 1
|
|
|
531 else
|
|
|
532 execute s:Ref(backref, b, "start", "len")
|
|
|
533 let ref = strpart(backref, start, len)
|
|
|
534 let backref = strpart(backref, 0, start) . ":". table[s]
|
|
|
535 \ . strpart(backref, start+len)
|
|
|
536 let s = s + s:Count(substitute(ref, '\\\\', '', 'g'), '\(', '1')
|
|
|
537 endif
|
|
|
538 endwhile
|
|
|
539 let word = strpart(word, 0, i-1) . backref . strpart(word, i+1)
|
|
|
540 let i = matchend(word, s:notslash . '\\\d') - 1
|
|
|
541 endwhile
|
|
|
542 let word = substitute(word, s:notslash . '\zs:', '\\', 'g')
|
|
|
543 if a:output == "table"
|
|
|
544 return table
|
|
|
545 elseif a:output == "word"
|
|
|
546 return word
|
|
|
547 else
|
|
|
548 return table . word
|
|
|
549 endif
|
|
|
550 endfun
|
|
|
551
|
|
|
552 " Assume a:comma = ",". Then the format for a:patterns and a:1 is
|
|
|
553 " a:patterns = "<pat1>,<pat2>,..."
|
|
|
554 " a:1 = "<alt1>,<alt2>,..."
|
|
|
555 " If <patn> is the first pattern that matches a:string then return <patn>
|
|
|
556 " if no optional arguments are given; return <patn>,<altn> if a:1 is given.
|
|
|
557 fun! s:Choose(patterns, string, comma, branch, prefix, suffix, ...)
|
|
|
558 let tail = (a:patterns =~ a:comma."$" ? a:patterns : a:patterns . a:comma)
|
|
|
559 let i = matchend(tail, s:notslash . a:comma)
|
|
|
560 if a:0
|
|
|
561 let alttail = (a:1 =~ a:comma."$" ? a:1 : a:1 . a:comma)
|
|
|
562 let j = matchend(alttail, s:notslash . a:comma)
|
|
|
563 endif
|
|
|
564 let current = strpart(tail, 0, i-1)
|
|
|
565 if a:branch == ""
|
|
|
566 let currpat = current
|
|
|
567 else
|
|
|
568 let currpat = substitute(current, a:branch, '\\|', 'g')
|
|
|
569 endif
|
|
|
570 while a:string !~ a:prefix . currpat . a:suffix
|
|
|
571 let tail = strpart(tail, i)
|
|
|
572 let i = matchend(tail, s:notslash . a:comma)
|
|
|
573 if i == -1
|
|
|
574 return -1
|
|
|
575 endif
|
|
|
576 let current = strpart(tail, 0, i-1)
|
|
|
577 if a:branch == ""
|
|
|
578 let currpat = current
|
|
|
579 else
|
|
|
580 let currpat = substitute(current, a:branch, '\\|', 'g')
|
|
|
581 endif
|
|
|
582 if a:0
|
|
|
583 let alttail = strpart(alttail, j)
|
|
|
584 let j = matchend(alttail, s:notslash . a:comma)
|
|
|
585 endif
|
|
|
586 endwhile
|
|
|
587 if a:0
|
|
|
588 let current = current . a:comma . strpart(alttail, 0, j-1)
|
|
|
589 endif
|
|
|
590 return current
|
|
|
591 endfun
|
|
|
592
|
|
|
593 " Call this function to turn on debugging information. Every time the main
|
|
|
594 " script is run, buffer variables will be saved. These can be used directly
|
|
|
595 " or viewed using the menu items below.
|
|
|
596 if !exists(":MatchDebug")
|
|
|
597 command! -nargs=0 MatchDebug call s:Match_debug()
|
|
|
598 endif
|
|
|
599
|
|
|
600 fun! s:Match_debug()
|
|
|
601 let b:match_debug = 1 " Save debugging information.
|
|
|
602 " pat = all of b:match_words with backrefs parsed
|
|
|
603 amenu &Matchit.&pat :echo b:match_pat<CR>
|
|
|
604 " match = bit of text that is recognized as a match
|
|
|
605 amenu &Matchit.&match :echo b:match_match<CR>
|
|
|
606 " curcol = cursor column of the start of the matching text
|
|
|
607 amenu &Matchit.&curcol :echo b:match_col<CR>
|
|
|
608 " wholeBR = matching group, original version
|
|
|
609 amenu &Matchit.wh&oleBR :echo b:match_wholeBR<CR>
|
|
|
610 " iniBR = 'if' piece, original version
|
|
|
611 amenu &Matchit.ini&BR :echo b:match_iniBR<CR>
|
|
|
612 " ini = 'if' piece, with all backrefs resolved from match
|
|
|
613 amenu &Matchit.&ini :echo b:match_ini<CR>
|
|
|
614 " tail = 'else\|endif' piece, with all backrefs resolved from match
|
|
|
615 amenu &Matchit.&tail :echo b:match_tail<CR>
|
|
|
616 " fin = 'endif' piece, with all backrefs resolved from match
|
|
|
617 amenu &Matchit.&word :echo b:match_word<CR>
|
|
|
618 " '\'.d in ini refers to the same thing as '\'.table[d] in word.
|
|
|
619 amenu &Matchit.t&able :echo '0:' . b:match_table . ':9'<CR>
|
|
|
620 endfun
|
|
|
621
|
|
|
622 " Jump to the nearest unmatched "(" or "if" or "<tag>" if a:spflag == "bW"
|
|
|
623 " or the nearest unmatched "</tag>" or "endif" or ")" if a:spflag == "W".
|
|
|
624 " Return a "mark" for the original position, so that
|
|
|
625 " let m = MultiMatch("bW", "n") ... execute m
|
|
|
626 " will return to the original position. If there is a problem, do not
|
|
|
627 " move the cursor and return "", unless a count is given, in which case
|
|
|
628 " go up or down as many levels as possible and again return "".
|
|
|
629 " TODO This relies on the same patterns as % matching. It might be a good
|
|
|
630 " idea to give it its own matching patterns.
|
|
|
631 fun! s:MultiMatch(spflag, mode)
|
|
|
632 if !exists("b:match_words") || b:match_words == ""
|
|
|
633 return ""
|
|
|
634 end
|
|
|
635 let restore_options = (&ic ? "" : "no") . "ignorecase"
|
|
|
636 if exists("b:match_ignorecase")
|
|
|
637 let &ignorecase = b:match_ignorecase
|
|
|
638 endif
|
|
|
639 let startline = line(".")
|
|
|
640 let startcol = col(".")
|
|
|
641
|
|
|
642 " First step: if not already done, set the script variables
|
|
|
643 " s:do_BR flag for whether there are backrefs
|
|
|
644 " s:pat parsed version of b:match_words
|
|
|
645 " s:all regexp based on s:pat and the default groups
|
|
|
646 " This part is copied and slightly modified from s:Match_wrapper().
|
|
|
647 let default = escape(&mps, '[$^.*~\\/?]') . (strlen(&mps) ? "," : "") .
|
|
|
648 \ '\/\*:\*\/,#if\%(def\)\=:$else\>:#elif\>:#endif\>'
|
|
|
649 " Allow b:match_words = "GetVimMatchWords()" .
|
|
|
650 if b:match_words =~ ":"
|
|
|
651 let match_words = b:match_words
|
|
|
652 else
|
|
|
653 execute "let match_words =" b:match_words
|
|
|
654 endif
|
|
|
655 if (match_words != s:last_words) || (&mps != s:last_mps) ||
|
|
|
656 \ exists("b:match_debug")
|
|
|
657 let s:last_words = match_words
|
|
|
658 let s:last_mps = &mps
|
|
|
659 if match_words !~ s:notslash . '\\\d'
|
|
|
660 let s:do_BR = 0
|
|
|
661 let s:pat = match_words
|
|
|
662 else
|
|
|
663 let s:do_BR = 1
|
|
|
664 let s:pat = s:ParseWords(match_words)
|
|
|
665 endif
|
|
|
666 let s:all = '\%(' . substitute(s:pat . (strlen(s:pat)?",":"") . default,
|
|
|
667 \ '[,:]\+','\\|','g') . '\)'
|
|
|
668 if exists("b:match_debug")
|
|
|
669 let b:match_pat = s:pat
|
|
|
670 endif
|
|
|
671 endif
|
|
|
672
|
|
|
673 " Second step: figure out the patterns for searchpair()
|
|
|
674 " and save the screen, cursor position, and 'ignorecase'.
|
|
|
675 " - TODO: A lot of this is copied from s:Match_wrapper().
|
|
|
676 " - maybe even more functionality should be split off
|
|
|
677 " - into separate functions!
|
|
|
678 let cdefault = (s:pat =~ '[^,]$' ? "," : "") . default
|
|
|
679 let open = substitute(s:pat . cdefault, ':[^,]*,', '\\),\\(', 'g')
|
|
|
680 let open = '\(' . substitute(open, ':[^,]*$', '\\)', '')
|
|
|
681 let close = substitute(s:pat . cdefault, ',[^,]*:', '\\),\\(', 'g')
|
|
|
682 let close = substitute(close, '[^,]*:', '\\(', '') . '\)'
|
|
|
683 if exists("b:match_skip")
|
|
|
684 let skip = b:match_skip
|
|
|
685 elseif exists("b:match_comment") " backwards compatibility and testing!
|
|
|
686 let skip = "r:" . b:match_comment
|
|
|
687 else
|
|
|
688 let skip = 's:comment\|string'
|
|
|
689 endif
|
|
|
690 let skip = s:ParseSkip(skip)
|
|
|
691 " let restore_cursor = line(".") . "G" . virtcol(".") . "|"
|
|
|
692 " normal! H
|
|
|
693 " let restore_cursor = "normal!" . line(".") . "Gzt" . restore_cursor
|
|
|
694 let restore_cursor = virtcol(".") . "|"
|
|
|
695 normal! g0
|
|
|
696 let restore_cursor = line(".") . "G" . virtcol(".") . "|zs" . restore_cursor
|
|
|
697 normal! H
|
|
|
698 let restore_cursor = "normal!" . line(".") . "Gzt" . restore_cursor
|
|
|
699 execute restore_cursor
|
|
|
700
|
|
|
701 " Third step: call searchpair().
|
|
|
702 " Replace '\('--but not '\\('--with '\%(' and ',' with '\|'.
|
|
|
703 let openpat = substitute(open, '\(\\\@<!\(\\\\\)*\)\@<=\\(', '\\%(', 'g')
|
|
|
704 let openpat = substitute(openpat, ',', '\\|', 'g')
|
|
|
705 let closepat = substitute(close, '\(\\\@<!\(\\\\\)*\)\@<=\\(', '\\%(', 'g')
|
|
|
706 let closepat = substitute(closepat, ',', '\\|', 'g')
|
|
|
707 if skip =~ 'synID' && !(has("syntax") && exists("g:syntax_on"))
|
|
|
708 let skip = '0'
|
|
|
709 else
|
|
|
710 execute "if " . skip . "| let skip = '0' | endif"
|
|
|
711 endif
|
|
|
712 mark '
|
|
|
713 let level = v:count1
|
|
|
714 while level
|
|
|
715 if searchpair(openpat, '', closepat, a:spflag, skip) < 1
|
|
|
716 call s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
717 return ""
|
|
|
718 endif
|
|
|
719 let level = level - 1
|
|
|
720 endwhile
|
|
|
721
|
|
|
722 " Restore options and return a string to restore the original position.
|
|
|
723 call s:CleanUp(restore_options, a:mode, startline, startcol)
|
|
|
724 return restore_cursor
|
|
|
725 endfun
|
|
|
726
|
|
|
727 " Search backwards for "if" or "while" or "<tag>" or ...
|
|
|
728 " and return "endif" or "endwhile" or "</tag>" or ... .
|
|
|
729 " For now, this uses b:match_words and the same script variables
|
|
|
730 " as s:Match_wrapper() . Later, it may get its own patterns,
|
|
|
731 " either from a buffer variable or passed as arguments.
|
|
|
732 " fun! s:Autocomplete()
|
|
|
733 " echo "autocomplete not yet implemented :-("
|
|
|
734 " if !exists("b:match_words") || b:match_words == ""
|
|
|
735 " return ""
|
|
|
736 " end
|
|
|
737 " let startpos = s:MultiMatch("bW")
|
|
|
738 "
|
|
|
739 " if startpos == ""
|
|
|
740 " return ""
|
|
|
741 " endif
|
|
|
742 " " - TODO: figure out whether 'if' or '<tag>' matched, and construct
|
|
|
743 " " - the appropriate closing.
|
|
|
744 " let matchline = getline(".")
|
|
|
745 " let curcol = col(".") - 1
|
|
|
746 " " - TODO: Change the s:all argument if there is a new set of match pats.
|
|
|
747 " let regexp = s:Wholematch(matchline, s:all, curcol)
|
|
|
748 " let suf = strlen(matchline) - matchend(matchline, regexp)
|
|
|
749 " let prefix = (curcol ? '^.\{' . curcol . '}\%(' : '^\%(')
|
|
|
750 " let suffix = (suf ? '\).\{' . suf . '}$' : '\)$')
|
|
|
751 " " Reconstruct the version with unresolved backrefs.
|
|
|
752 " let patBR = substitute(b:match_words.',', '[,:]*,[,:]*', ',', 'g')
|
|
|
753 " let patBR = substitute(patBR, ':\{2,}', ':', "g")
|
|
|
754 " " Now, set group and groupBR to the matching group: 'if:endif' or
|
|
|
755 " " 'while:endwhile' or whatever.
|
|
|
756 " let group = s:Choose(s:pat, matchline, ",", ":", prefix, suffix, patBR)
|
|
|
757 " let i = matchend(group, s:notslash . ",")
|
|
|
758 " let groupBR = strpart(group, i)
|
|
|
759 " let group = strpart(group, 0, i-1)
|
|
|
760 " " Now, matchline =~ prefix . substitute(group,':','\|','g') . suffix
|
|
|
761 " if s:do_BR
|
|
|
762 " let group = s:InsertRefs(groupBR, prefix, group, suffix, matchline)
|
|
|
763 " endif
|
|
|
764 " " let g:group = group
|
|
|
765 "
|
|
|
766 " " - TODO: Construct the closing from group.
|
|
|
767 " let fake = "end" . expand("<cword>")
|
|
|
768 " execute startpos
|
|
|
769 " return fake
|
|
|
770 " endfun
|
|
|
771
|
|
|
772 " Close all open structures. "Get the heck out of here!"
|
|
|
773 " fun! s:Gthhoh()
|
|
|
774 " let close = s:Autocomplete()
|
|
|
775 " while strlen(close)
|
|
|
776 " put=close
|
|
|
777 " let close = s:Autocomplete()
|
|
|
778 " endwhile
|
|
|
779 " endfun
|
|
|
780
|
|
|
781 " Parse special strings as typical skip arguments for searchpair():
|
|
|
782 " s:foo becomes (current syntax item) =~ foo
|
|
|
783 " S:foo becomes (current syntax item) !~ foo
|
|
|
784 " r:foo becomes (line before cursor) =~ foo
|
|
|
785 " R:foo becomes (line before cursor) !~ foo
|
|
|
786 fun! s:ParseSkip(str)
|
|
|
787 let skip = a:str
|
|
|
788 if skip[1] == ":"
|
|
|
789 if skip[0] == "s"
|
|
|
790 let skip = "synIDattr(synID(line('.'),col('.'),1),'name') =~? '" .
|
|
|
791 \ strpart(skip,2) . "'"
|
|
|
792 elseif skip[0] == "S"
|
|
|
793 let skip = "synIDattr(synID(line('.'),col('.'),1),'name') !~? '" .
|
|
|
794 \ strpart(skip,2) . "'"
|
|
|
795 elseif skip[0] == "r"
|
|
|
796 let skip = "strpart(getline('.'),0,col('.'))=~'" . strpart(skip,2). "'"
|
|
|
797 elseif skip[0] == "R"
|
|
|
798 let skip = "strpart(getline('.'),0,col('.'))!~'" . strpart(skip,2). "'"
|
|
|
799 endif
|
|
|
800 endif
|
|
|
801 return skip
|
|
|
802 endfun
|
|
|
803
|
|
|
804 let &cpo = s:save_cpo
|
|
|
805
|
|
|
806 " vim:sts=2:sw=2:
|
