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1 " Author:
2 " Original: Gergely Kontra <kgergely@mcl.hu>
3 " Current: Eric Van Dewoestine <ervandew@gmail.com> (as of version 0.4)
4 " Please direct all correspondence to Eric.
5 " Version: 1.6
6 " GetLatestVimScripts: 1643 1 :AutoInstall: supertab.vim
7 "
8 " Description: {{{
9 " Use your tab key to do all your completion in insert mode!
10 " You can cycle forward and backward with the <Tab> and <S-Tab> keys
11 " Note: you must press <Tab> once to be able to cycle back
12 "
13 " http://www.vim.org/scripts/script.php?script_id=1643
14 " }}}
15 "
16 " License: {{{
17 " Copyright (c) 2002 - 2011
18 " All rights reserved.
19 "
20 " Redistribution and use of this software in source and binary forms, with
21 " or without modification, are permitted provided that the following
22 " conditions are met:
23 "
24 " * Redistributions of source code must retain the above
25 " copyright notice, this list of conditions and the
26 " following disclaimer.
27 "
28 " * Redistributions in binary form must reproduce the above
29 " copyright notice, this list of conditions and the
30 " following disclaimer in the documentation and/or other
31 " materials provided with the distribution.
32 "
33 " * Neither the name of Gergely Kontra or Eric Van Dewoestine nor the names
34 " of its contributors may be used to endorse or promote products derived
35 " from this software without specific prior written permission of Gergely
36 " Kontra or Eric Van Dewoestine.
37 "
38 " THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
39 " IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
40 " THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 " PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
42 " CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
43 " EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
44 " PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
45 " PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
46 " LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
47 " NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
48 " SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
49 " }}}
50 "
51 " Testing Info: {{{
52 " Running vim + supertab with the absolute bar minimum settings:
53 " $ vim -u NONE -U NONE -c "set nocp | runtime plugin/supertab.vim"
54 " }}}
55
56 if v:version < 700
57 finish
58 endif
59
60 if exists('complType') " Integration with other completion functions.
61 finish
62 endif
63
64 let s:save_cpo=&cpo
65 set cpo&vim
66
67 " Global Variables {{{
68
69 if !exists("g:SuperTabDefaultCompletionType")
70 let g:SuperTabDefaultCompletionType = "<c-p>"
71 endif
72
73 if !exists("g:SuperTabContextDefaultCompletionType")
74 let g:SuperTabContextDefaultCompletionType = "<c-p>"
75 endif
76
77 if !exists("g:SuperTabCompletionContexts")
78 let g:SuperTabCompletionContexts = ['s:ContextText']
79 endif
80
81 if !exists("g:SuperTabRetainCompletionDuration")
82 let g:SuperTabRetainCompletionDuration = 'insert'
83 endif
84
85 if !exists("g:SuperTabNoCompleteBefore")
86 " retain backwards compatability
87 if exists("g:SuperTabMidWordCompletion") && !g:SuperTabMidWordCompletion
88 let g:SuperTabNoCompleteBefore = ['\k']
89 else
90 let g:SuperTabNoCompleteBefore = []
91 endif
92 endif
93
94 if !exists("g:SuperTabNoCompleteAfter")
95 " retain backwards compatability
96 if exists("g:SuperTabLeadingSpaceCompletion") && g:SuperTabLeadingSpaceCompletion
97 let g:SuperTabNoCompleteAfter = []
98 else
99 let g:SuperTabNoCompleteAfter = ['\s']
100 endif
101 endif
102
103 if !exists("g:SuperTabMappingForward")
104 let g:SuperTabMappingForward = '<tab>'
105 endif
106 if !exists("g:SuperTabMappingBackward")
107 let g:SuperTabMappingBackward = '<s-tab>'
108 endif
109
110 if !exists("g:SuperTabMappingTabLiteral")
111 let g:SuperTabMappingTabLiteral = '<c-tab>'
112 endif
113
114 if !exists("g:SuperTabLongestEnhanced")
115 let g:SuperTabLongestEnhanced = 0
116 endif
117
118 if !exists("g:SuperTabLongestHighlight")
119 let g:SuperTabLongestHighlight = 0
120 endif
121
122 if !exists("g:SuperTabCrMapping")
123 let g:SuperTabCrMapping = 1
124 endif
125
126 " }}}
127
128 " Script Variables {{{
129
130 " construct the help text.
131 let s:tabHelp =
132 \ "Hit <CR> or CTRL-] on the completion type you wish to switch to.\n" .
133 \ "Use :help ins-completion for more information.\n" .
134 \ "\n" .
135 \ "|<c-n>| - Keywords in 'complete' searching down.\n" .
136 \ "|<c-p>| - Keywords in 'complete' searching up (SuperTab default).\n" .
137 \ "|<c-x><c-l>| - Whole lines.\n" .
138 \ "|<c-x><c-n>| - Keywords in current file.\n" .
139 \ "|<c-x><c-k>| - Keywords in 'dictionary'.\n" .
140 \ "|<c-x><c-t>| - Keywords in 'thesaurus', thesaurus-style.\n" .
141 \ "|<c-x><c-i>| - Keywords in the current and included files.\n" .
142 \ "|<c-x><c-]>| - Tags.\n" .
143 \ "|<c-x><c-f>| - File names.\n" .
144 \ "|<c-x><c-d>| - Definitions or macros.\n" .
145 \ "|<c-x><c-v>| - Vim command-line.\n" .
146 \ "|<c-x><c-u>| - User defined completion.\n" .
147 \ "|<c-x><c-o>| - Omni completion.\n" .
148 \ "|<c-x>s| - Spelling suggestions."
149
150 " set the available completion types and modes.
151 let s:types =
152 \ "\<c-e>\<c-y>\<c-l>\<c-n>\<c-k>\<c-t>\<c-i>\<c-]>" .
153 \ "\<c-f>\<c-d>\<c-v>\<c-n>\<c-p>\<c-u>\<c-o>\<c-n>\<c-p>s"
154 let s:modes = '/^E/^Y/^L/^N/^K/^T/^I/^]/^F/^D/^V/^P/^U/^O/s'
155 let s:types = s:types . "np"
156 let s:modes = s:modes . '/n/p'
157
158 " }}}
159
160 " SuperTabSetDefaultCompletionType(type) {{{
161 " Globally available function that users can use to set the default
162 " completion type for the current buffer, like in an ftplugin.
163 function! SuperTabSetDefaultCompletionType(type)
164 " init hack for <c-x><c-v> workaround.
165 let b:complCommandLine = 0
166
167 let b:SuperTabDefaultCompletionType = a:type
168
169 " set the current completion type to the default
170 call SuperTabSetCompletionType(b:SuperTabDefaultCompletionType)
171 endfunction " }}}
172
173 " SuperTabSetCompletionType(type) {{{
174 " Globally available function that users can use to create mappings to quickly
175 " switch completion modes. Useful when a user wants to restore the default or
176 " switch to another mode without having to kick off a completion of that type
177 " or use SuperTabHelp. Note, this function only changes the current
178 " completion type, not the default, meaning that the default will still be
179 " restored once the configured retension duration has been met (see
180 " g:SuperTabRetainCompletionDuration). To change the default for the current
181 " buffer, use SuperTabDefaultCompletionType(type) instead. Example mapping to
182 " restore SuperTab default:
183 " nmap <F6> :call SetSuperTabCompletionType("<c-p>")<cr>
184 function! SuperTabSetCompletionType(type)
185 call s:InitBuffer()
186 exec "let b:complType = \"" . escape(a:type, '<') . "\""
187 endfunction " }}}
188
189 " SuperTabAlternateCompletion(type) {{{
190 " Function which can be mapped to a key to kick off an alternate completion
191 " other than the default. For instance, if you have 'context' as the default
192 " and want to map ctrl+space to issue keyword completion.
193 " Note: due to the way vim expands ctrl characters in mappings, you cannot
194 " create the alternate mapping like so:
195 " imap <c-space> <c-r>=SuperTabAlternateCompletion("<c-p>")<cr>
196 " instead, you have to use \<lt> to prevent vim from expanding the key
197 " when creating the mapping.
198 " gvim:
199 " imap <c-space> <c-r>=SuperTabAlternateCompletion("\<lt>c-p>")<cr>
200 " console:
201 " imap <nul> <c-r>=SuperTabAlternateCompletion("\<lt>c-p>")<cr>
202 function! SuperTabAlternateCompletion(type)
203 call SuperTabSetCompletionType(a:type)
204 " end any current completion before attempting to start the new one.
205 " use feedkeys to prevent possible remapping of <c-e> from causing issues.
206 "call feedkeys("\<c-e>", 'n')
207 " ^ since we can't detect completion mode vs regular insert mode, we force
208 " vim into keyword completion mode and end that mode to prevent the regular
209 " insert behavior of <c-e> from occurring.
210 call feedkeys("\<c-x>\<c-p>\<c-e>", 'n')
211 call feedkeys(b:complType, 'n')
212 return ''
213 endfunction " }}}
214
215 " SuperTabLongestHighlight(dir) {{{
216 " When longest highlight is enabled, this function is used to do the actual
217 " selection of the completion popup entry.
218 function! SuperTabLongestHighlight(dir)
219 if !pumvisible()
220 return ''
221 endif
222 return a:dir == -1 ? "\<up>" : "\<down>"
223 endfunction " }}}
224
225 " s:Init {{{
226 " Global initilization when supertab is loaded.
227 function! s:Init()
228 " Setup mechanism to restore original completion type upon leaving insert
229 " mode if configured to do so
230 if g:SuperTabRetainCompletionDuration == 'insert'
231 augroup supertab_retain
232 autocmd!
233 autocmd InsertLeave * call s:SetDefaultCompletionType()
234 augroup END
235 endif
236 endfunction " }}}
237
238 " s:InitBuffer {{{
239 " Per buffer initilization.
240 function! s:InitBuffer()
241 if exists('b:SuperTabNoCompleteBefore')
242 return
243 endif
244
245 let b:complReset = 0
246 let b:complTypeManual = !exists('b:complTypeManual') ? '' : b:complTypeManual
247 let b:complTypeContext = ''
248
249 " init hack for <c-x><c-v> workaround.
250 let b:complCommandLine = 0
251
252 if !exists('b:SuperTabNoCompleteBefore')
253 let b:SuperTabNoCompleteBefore = g:SuperTabNoCompleteBefore
254 endif
255 if !exists('b:SuperTabNoCompleteAfter')
256 let b:SuperTabNoCompleteAfter = g:SuperTabNoCompleteAfter
257 endif
258
259 let b:SuperTabDefaultCompletionType = g:SuperTabDefaultCompletionType
260
261 " set the current completion type to the default
262 call SuperTabSetCompletionType(b:SuperTabDefaultCompletionType)
263 endfunction " }}}
264
265 " s:ManualCompletionEnter() {{{
266 " Handles manual entrance into completion mode.
267 function! s:ManualCompletionEnter()
268 if &smd
269 echo '' | echohl ModeMsg | echo '-- ^X++ mode (' . s:modes . ')' | echohl None
270 endif
271 let complType = nr2char(getchar())
272 if stridx(s:types, complType) != -1
273 if stridx("\<c-e>\<c-y>", complType) != -1 " no memory, just scroll...
274 return "\<c-x>" . complType
275 elseif stridx('np', complType) != -1
276 let complType = nr2char(char2nr(complType) - 96)
277 else
278 let complType = "\<c-x>" . complType
279 endif
280
281 let b:complTypeManual = complType
282
283 if index(['insert', 'session'], g:SuperTabRetainCompletionDuration) != -1
284 let b:complType = complType
285 endif
286
287 " Hack to workaround bug when invoking command line completion via <c-r>=
288 if complType == "\<c-x>\<c-v>"
289 return s:CommandLineCompletion()
290 endif
291
292 " optionally enable enhanced longest completion
293 if g:SuperTabLongestEnhanced && &completeopt =~ 'longest'
294 call s:EnableLongestEnhancement()
295 endif
296
297 if g:SuperTabLongestHighlight &&
298 \ &completeopt =~ 'longest' &&
299 \ &completeopt =~ 'menu' &&
300 \ !pumvisible()
301 let dir = (complType == "\<c-x>\<c-p>") ? -1 : 1
302 call feedkeys("\<c-r>=SuperTabLongestHighlight(" . dir . ")\<cr>", 'n')
303 endif
304
305 return complType
306 endif
307
308 echohl "Unknown mode"
309 return complType
310 endfunction " }}}
311
312 " s:SetCompletionType() {{{
313 " Sets the completion type based on what the user has chosen from the help
314 " buffer.
315 function! s:SetCompletionType()
316 let chosen = substitute(getline('.'), '.*|\(.*\)|.*', '\1', '')
317 if chosen != getline('.')
318 let winnr = b:winnr
319 close
320 exec winnr . 'winc w'
321 call SuperTabSetCompletionType(chosen)
322 endif
323 endfunction " }}}
324
325 " s:SetDefaultCompletionType() {{{
326 function! s:SetDefaultCompletionType()
327 if exists('b:SuperTabDefaultCompletionType') &&
328 \ (!exists('b:complCommandLine') || !b:complCommandLine)
329 call SuperTabSetCompletionType(b:SuperTabDefaultCompletionType)
330 endif
331 endfunction " }}}
332
333 " s:SuperTab(command) {{{
334 " Used to perform proper cycle navigation as the user requests the next or
335 " previous entry in a completion list, and determines whether or not to simply
336 " retain the normal usage of <tab> based on the cursor position.
337 function! s:SuperTab(command)
338 if exists('b:SuperTabDisabled') && b:SuperTabDisabled
339 return "\<tab>"
340 endif
341
342 call s:InitBuffer()
343
344 if s:WillComplete()
345 " optionally enable enhanced longest completion
346 if g:SuperTabLongestEnhanced && &completeopt =~ 'longest'
347 call s:EnableLongestEnhancement()
348 endif
349
350 if !pumvisible()
351 let b:complTypeManual = ''
352 endif
353
354 " exception: if in <c-p> mode, then <c-n> should move up the list, and
355 " <c-p> down the list.
356 if a:command == 'p' && !b:complReset &&
357 \ (b:complType == "\<c-p>" ||
358 \ (b:complType == 'context' &&
359 \ b:complTypeManual == '' &&
360 \ b:complTypeContext == "\<c-p>"))
361 return "\<c-n>"
362
363 elseif a:command == 'p' && !b:complReset &&
364 \ (b:complType == "\<c-n>" ||
365 \ (b:complType == 'context' &&
366 \ b:complTypeManual == '' &&
367 \ b:complTypeContext == "\<c-n>"))
368 return "\<c-p>"
369
370 " already in completion mode and not resetting for longest enhancement, so
371 " just scroll to next/previous
372 elseif pumvisible() && !b:complReset
373 let type = b:complType == 'context' ? b:complTypeContext : b:complType
374 if a:command == 'n'
375 return type == "\<c-p>" ? "\<c-p>" : "\<c-n>"
376 endif
377 return type == "\<c-p>" ? "\<c-n>" : "\<c-p>"
378 endif
379
380 " handle 'context' completion.
381 if b:complType == 'context'
382 let complType = s:ContextCompletion()
383 if complType == ''
384 exec "let complType = \"" .
385 \ escape(g:SuperTabContextDefaultCompletionType, '<') . "\""
386 endif
387 let b:complTypeContext = complType
388
389 " Hack to workaround bug when invoking command line completion via <c-r>=
390 elseif b:complType == "\<c-x>\<c-v>"
391 let complType = s:CommandLineCompletion()
392 else
393 let complType = b:complType
394 endif
395
396 " highlight first result if longest enabled
397 if g:SuperTabLongestHighlight &&
398 \ &completeopt =~ 'longest' &&
399 \ &completeopt =~ 'menu' &&
400 \ (!pumvisible() || b:complReset)
401 let dir = (complType == "\<c-p>") ? -1 : 1
402 call feedkeys("\<c-r>=SuperTabLongestHighlight(" . dir . ")\<cr>", 'n')
403 endif
404
405 if b:complReset
406 let b:complReset = 0
407 " not an accurate condition for everyone, but better than sending <c-e>
408 " at the wrong time.
409 if pumvisible()
410 return "\<c-e>" . complType
411 endif
412 endif
413
414 return complType
415 endif
416
417 return "\<tab>"
418 endfunction " }}}
419
420 " s:SuperTabHelp() {{{
421 " Opens a help window where the user can choose a completion type to enter.
422 function! s:SuperTabHelp()
423 let winnr = winnr()
424 if bufwinnr("SuperTabHelp") == -1
425 botright split SuperTabHelp
426
427 setlocal noswapfile
428 setlocal buftype=nowrite
429 setlocal bufhidden=delete
430
431 let saved = @"
432 let @" = s:tabHelp
433 silent put
434 call cursor(1, 1)
435 silent 1,delete
436 call cursor(4, 1)
437 let @" = saved
438 exec "resize " . line('$')
439
440 syntax match Special "|.\{-}|"
441
442 setlocal readonly
443 setlocal nomodifiable
444
445 nmap <silent> <buffer> <cr> :call <SID>SetCompletionType()<cr>
446 nmap <silent> <buffer> <c-]> :call <SID>SetCompletionType()<cr>
447 else
448 exec bufwinnr("SuperTabHelp") . "winc w"
449 endif
450 let b:winnr = winnr
451 endfunction " }}}
452
453 " s:WillComplete() {{{
454 " Determines if completion should be kicked off at the current location.
455 function! s:WillComplete()
456 if pumvisible()
457 return 1
458 endif
459
460 let line = getline('.')
461 let cnum = col('.')
462
463 " Start of line.
464 if line =~ '^\s*\%' . cnum . 'c'
465 return 0
466 endif
467
468 " honor SuperTabNoCompleteAfter
469 let pre = line[:cnum - 2]
470 for pattern in b:SuperTabNoCompleteAfter
471 if pre =~ pattern . '$'
472 return 0
473 endif
474 endfor
475
476 " honor SuperTabNoCompleteBefore
477 " Within a word, but user does not have mid word completion enabled.
478 let post = line[cnum - 1:]
479 for pattern in b:SuperTabNoCompleteBefore
480 if post =~ '^' . pattern
481 return 0
482 endif
483 endfor
484
485 return 1
486 endfunction " }}}
487
488 " s:EnableLongestEnhancement() {{{
489 function! s:EnableLongestEnhancement()
490 augroup supertab_reset
491 autocmd!
492 autocmd InsertLeave,CursorMovedI <buffer>
493 \ call s:ReleaseKeyPresses() | autocmd! supertab_reset
494 augroup END
495 call s:CaptureKeyPresses()
496 endfunction " }}}
497
498 " s:CompletionReset(char) {{{
499 function! s:CompletionReset(char)
500 let b:complReset = 1
501 return a:char
502 endfunction " }}}
503
504 " s:CaptureKeyPresses() {{{
505 function! s:CaptureKeyPresses()
506 if !exists('b:capturing') || !b:capturing
507 let b:capturing = 1
508 " save any previous mappings
509 " TODO: capture additional info provided by vim 7.3.032 and up.
510 let b:captured = {
511 \ '<bs>': maparg('<bs>', 'i'),
512 \ '<c-h>': maparg('<c-h>', 'i'),
513 \ }
514 " TODO: use &keyword to get an accurate list of chars to map
515 for c in split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_', '.\zs')
516 exec 'imap <buffer> ' . c . ' <c-r>=<SID>CompletionReset("' . c . '")<cr>'
517 endfor
518 imap <buffer> <bs> <c-r>=<SID>CompletionReset("\<lt>bs>")<cr>
519 imap <buffer> <c-h> <c-r>=<SID>CompletionReset("\<lt>c-h>")<cr>
520 endif
521 endfunction " }}}
522
523 " s:ReleaseKeyPresses() {{{
524 function! s:ReleaseKeyPresses()
525 if exists('b:capturing') && b:capturing
526 let b:capturing = 0
527 for c in split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_', '.\zs')
528 exec 'iunmap <buffer> ' . c
529 endfor
530
531 iunmap <buffer> <bs>
532 iunmap <buffer> <c-h>
533
534 " restore any previous mappings
535 for [key, rhs] in items(b:captured)
536 if rhs != ''
537 let args = substitute(rhs, '.*\(".\{-}"\).*', '\1', '')
538 if args != rhs
539 let args = substitute(args, '<', '<lt>', 'g')
540 let expr = substitute(rhs, '\(.*\)".\{-}"\(.*\)', '\1%s\2', '')
541 let rhs = printf(expr, args)
542 endif
543 exec printf("imap <silent> %s %s", key, rhs)
544 endif
545 endfor
546 unlet b:captured
547
548 if mode() == 'i' && &completeopt =~ 'menu'
549 " force full exit from completion mode (don't exit insert mode since
550 " that will break repeating with '.')
551 call feedkeys("\<space>\<bs>", 'n')
552 endif
553 endif
554 endfunction " }}}
555
556 " s:CommandLineCompletion() {{{
557 " Hack needed to account for apparent bug in vim command line mode completion
558 " when invoked via <c-r>=
559 function! s:CommandLineCompletion()
560 " This hack will trigger InsertLeave which will then invoke
561 " s:SetDefaultCompletionType. To prevent default completion from being
562 " restored prematurely, set an internal flag for s:SetDefaultCompletionType
563 " to check for.
564 let b:complCommandLine = 1
565 return "\<c-\>\<c-o>:call feedkeys('\<c-x>\<c-v>\<c-v>', 'n') | " .
566 \ "let b:complCommandLine = 0\<cr>"
567 endfunction " }}}
568
569 " s:ContextCompletion() {{{
570 function! s:ContextCompletion()
571 let contexts = exists('b:SuperTabCompletionContexts') ?
572 \ b:SuperTabCompletionContexts : g:SuperTabCompletionContexts
573
574 for context in contexts
575 try
576 let Context = function(context)
577 let complType = Context()
578 unlet Context
579 if type(complType) == 1 && complType != ''
580 return complType
581 endif
582 catch /E700/
583 echohl Error
584 echom 'supertab: no context function "' . context . '" found.'
585 echohl None
586 endtry
587 endfor
588 return ''
589 endfunction " }}}
590
591 " s:ContextDiscover() {{{
592 function! s:ContextDiscover()
593 let discovery = exists('g:SuperTabContextDiscoverDiscovery') ?
594 \ g:SuperTabContextDiscoverDiscovery : []
595
596 " loop through discovery list to find the default
597 if !empty(discovery)
598 for pair in discovery
599 let var = substitute(pair, '\(.*\):.*', '\1', '')
600 let type = substitute(pair, '.*:\(.*\)', '\1', '')
601 exec 'let value = ' . var
602 if value !~ '^\s*$' && value != '0'
603 exec "let complType = \"" . escape(type, '<') . "\""
604 return complType
605 endif
606 endfor
607 endif
608 endfunction " }}}
609
610 " s:ContextText() {{{
611 function! s:ContextText()
612 let exclusions = exists('g:SuperTabContextTextFileTypeExclusions') ?
613 \ g:SuperTabContextTextFileTypeExclusions : []
614
615 if index(exclusions, &ft) == -1
616 let curline = getline('.')
617 let cnum = col('.')
618 let synname = synIDattr(synID(line('.'), cnum - 1, 1), 'name')
619 if curline =~ '.*/\w*\%' . cnum . 'c' ||
620 \ ((has('win32') || has('win64')) && curline =~ '.*\\\w*\%' . cnum . 'c')
621 return "\<c-x>\<c-f>"
622
623 elseif curline =~ '.*\(\w\|[\])]\)\(\.\|::\|->\)\w*\%' . cnum . 'c' &&
624 \ synname !~ '\(String\|Comment\)'
625 let omniPrecedence = exists('g:SuperTabContextTextOmniPrecedence') ?
626 \ g:SuperTabContextTextOmniPrecedence : ['&completefunc', '&omnifunc']
627
628 for omniFunc in omniPrecedence
629 if omniFunc !~ '^&'
630 let omniFunc = '&' . omniFunc
631 endif
632 if getbufvar(bufnr('%'), omniFunc) != ''
633 return omniFunc == '&omnifunc' ? "\<c-x>\<c-o>" : "\<c-x>\<c-u>"
634 endif
635 endfor
636 endif
637 endif
638 endfunction " }}}
639
640 " s:ExpandMap(map) {{{
641 function! s:ExpandMap(map)
642 let map = a:map
643 if map =~ '<Plug>'
644 let plug = substitute(map, '.\{-}\(<Plug>\w\+\).*', '\1', '')
645 let plug_map = maparg(plug, 'i')
646 let map = substitute(map, '.\{-}\(<Plug>\w\+\).*', plug_map, '')
647 endif
648 return map
649 endfunction " }}}
650
651 " Key Mappings {{{
652 " map a regular tab to ctrl-tab (note: doesn't work in console vim)
653 exec 'inoremap ' . g:SuperTabMappingTabLiteral . ' <tab>'
654
655 imap <c-x> <c-r>=<SID>ManualCompletionEnter()<cr>
656
657 imap <script> <Plug>SuperTabForward <c-r>=<SID>SuperTab('n')<cr>
658 imap <script> <Plug>SuperTabBackward <c-r>=<SID>SuperTab('p')<cr>
659
660 exec 'imap ' . g:SuperTabMappingForward . ' <Plug>SuperTabForward'
661 exec 'imap ' . g:SuperTabMappingBackward . ' <Plug>SuperTabBackward'
662
663 " After hitting <Tab>, hitting it once more will go to next match
664 " (because in XIM mode <c-n> and <c-p> mappings are ignored)
665 " and wont start a brand new completion
666 " The side effect, that in the beginning of line <c-n> and <c-p> inserts a
667 " <Tab>, but I hope it may not be a problem...
668 let ctrl_n = maparg('<c-n>', 'i')
669 if ctrl_n != ''
670 let ctrl_n = substitute(ctrl_n, '<', '<lt>', 'g')
671 exec 'imap <c-n> <c-r>=<SID>ForwardBack("n", "' . ctrl_n . '")<cr>'
672 else
673 imap <c-n> <Plug>SuperTabForward
674 endif
675 let ctrl_p = maparg('<c-p>', 'i')
676 if ctrl_p != ''
677 let ctrl_p = substitute(ctrl_p, '<', '<lt>', 'g')
678 exec 'imap <c-p> <c-r>=<SID>ForwardBack("p", "' . ctrl_p . '")<cr>'
679 else
680 imap <c-p> <Plug>SuperTabBackward
681 endif
682 function! s:ForwardBack(command, map)
683 exec "let map = \"" . escape(a:map, '<') . "\""
684 return pumvisible() ? s:SuperTab(a:command) : map
685 endfunction
686
687 if g:SuperTabCrMapping
688 if maparg('<CR>','i') =~ '<CR>'
689 let map = maparg('<cr>', 'i')
690 let cr = (map =~? '\(^\|[^)]\)<cr>')
691 let map = s:ExpandMap(map)
692 exec "inoremap <script> <cr> <c-r>=<SID>SelectCompletion(" . cr . ")<cr>" . map
693 else
694 inoremap <cr> <c-r>=<SID>SelectCompletion(1)<cr>
695 endif
696 function! s:SelectCompletion(cr)
697 " selecting a completion
698 if pumvisible()
699 " ugly hack to let other <cr> mappings for other plugins cooperate
700 " with supertab
701 let b:supertab_pumwasvisible = 1
702 return "\<c-y>"
703 endif
704
705 " only needed when chained with other mappings and one of them will
706 " issue a <cr>.
707 if exists('b:supertab_pumwasvisible') && !a:cr
708 unlet b:supertab_pumwasvisible
709 return ''
710 endif
711
712 " not so pleasant hack to keep <cr> working for abbreviations
713 let word = substitute(getline('.'), '^.*\s\+\(.*\%' . col('.') . 'c\).*', '\1', '')
714 if maparg(word, 'i', 1) != ''
715 call feedkeys("\<c-]>", 't')
716 call feedkeys("\<cr>", 'n')
717 return ''
718 endif
719
720 " only return a cr if nothing else is mapped to it since we don't want
721 " to duplicate a cr returned by another mapping.
722 return a:cr ? "\<cr>" : ""
723 endfunction
724 endif
725 " }}}
726
727 " Command Mappings {{{
728 if !exists(":SuperTabHelp")
729 command SuperTabHelp :call <SID>SuperTabHelp()
730 endif
731 " }}}
732
733 call s:Init()
734
735 let &cpo = s:save_cpo
736
737 " vim:ft=vim:fdm=marker