Mercurial > vim
annotate runtime/indent/tex.vim @ 13912:a9fdf01085a8
Update runtime files.
commit https://github.com/vim/vim/commit/7db25fed5de1be922b8cbb0328149469606a0424
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun May 13 00:02:36 2018 +0200
Update runtime files.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 13 May 2018 00:15:05 +0200 |
| parents | a62eeee5f116 |
| children | cd513458728c |
| rev | line source |
|---|---|
| 13912 | 1 " Vim indent file for TeX |
| 2 " Language: TeX | |
| 3 " Maintainer: Christian Brabandt <cb@256bit.org> | |
| 4 " Previous Maintainer: YiChao Zhou <broken.zhou AT gmail.com> | |
| 5 " Latest Revision: 2017-05-03 | |
| 6 " Version: 0.9.3 | |
| 7 " Repository: https://github.com/chrisbra/vim-tex-indent | |
| 8 " Documention: :h ft-tex-indent | |
| 9 " Created: Sat, 16 Feb 2002 16:50:19 +0100 | |
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10 " Please email me if you found something I can do. Comments, bug report and |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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11 " feature request are welcome. |
| 3445 | 12 |
| 13912 | 13 " Last Update: {{{1 |
| 3445 | 14 " 25th Sep 2002, by LH : |
| 3224 | 15 " (*) better support for the option |
| 16 " (*) use some regex instead of several '||'. | |
| 17 " Oct 9th, 2003, by JT: | |
| 18 " (*) don't change indentation of lines starting with '%' | |
| 3445 | 19 " 2005/06/15, Moshe Kaminsky <kaminsky AT math.huji.ac.il> |
| 3224 | 20 " (*) New variables: |
| 21 " g:tex_items, g:tex_itemize_env, g:tex_noindent_env | |
| 13912 | 22 " 2011/3/6, by Zhou YiChao <broken.zhou AT gmail.com> |
| 3224 | 23 " (*) Don't change indentation of lines starting with '%' |
| 24 " I don't see any code with '%' and it doesn't work properly | |
| 25 " so I add some code. | |
| 26 " (*) New features: Add smartindent-like indent for "{}" and "[]". | |
| 27 " (*) New variables: g:tex_indent_brace | |
| 13912 | 28 " 2011/9/25, by Zhou Yichao <broken.zhou AT gmail.com> |
| 3224 | 29 " (*) Bug fix: smartindent-like indent for "[]" |
| 30 " (*) New features: Align with "&". | |
| 3445 | 31 " (*) New variable: g:tex_indent_and. |
| 13912 | 32 " 2011/10/23 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3224 | 33 " (*) Bug fix: improve the smartindent-like indent for "{}" and |
| 34 " "[]". | |
| 13912 | 35 " 2012/02/27 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3445 | 36 " (*) Bug fix: support default folding marker. |
| 37 " (*) Indent with "&" is not very handy. Make it not enable by | |
| 38 " default. | |
| 13912 | 39 " 2012/03/06 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3445 | 40 " (*) Modify "&" behavior and make it default again. Now "&" |
| 41 " won't align when there are more then one "&" in the previous | |
| 42 " line. | |
| 43 " (*) Add indent "\left(" and "\right)" | |
| 44 " (*) Trust user when in "verbatim" and "lstlisting" | |
| 13912 | 45 " 2012/03/11 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3445 | 46 " (*) Modify "&" so that only indent when current line start with |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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47 " "&". |
| 13912 | 48 " 2012/03/12 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3445 | 49 " (*) Modify indentkeys. |
| 13912 | 50 " 2012/03/18 by Zhou Yichao <broken.zhou AT gmail.com> |
| 3445 | 51 " (*) Add &cpo |
| 13912 | 52 " 2013/05/02 by Zhou Yichao <broken.zhou AT gmail.com> |
| 4437 | 53 " (*) Fix problem about GetTeXIndent checker. Thank Albert Netymk |
| 54 " for reporting this. | |
| 13912 | 55 " 2014/06/23 by Zhou Yichao <broken.zhou AT gmail.com> |
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56 " (*) Remove the feature g:tex_indent_and because it is buggy. |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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57 " (*) If there is not any obvious indentation hints, we do not |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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58 " alert our user's current indentation. |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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59 " (*) g:tex_indent_brace now only works if the open brace is the |
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1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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60 " last character of that line. |
| 13912 | 61 " 2014/08/03 by Zhou Yichao <broken.zhou AT gmail.com> |
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62 " (*) Indent current line if last line has larger indentation |
| 13912 | 63 " 2014/08/09 by Zhou Yichao <broken.zhou AT gmail.com> |
| 64 " (*) Add missing return value for s:GetEndIndentation(...) | |
| 65 " 2017/05/02: new maintainer Christian Brabandt | |
| 66 " 2017/05/02: use shiftwidth() function | |
| 67 " 2017/05/02: do not add indent when environment starts and ends | |
| 68 " at previous line | |
| 69 " 2017/05/03: release 0.9.3 submitted for inclusion with Vim | |
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70 " |
| 3445 | 71 " }}} |
| 13912 | 72 " Only define the function once {{{1 |
| 3224 | 73 if exists("b:did_indent") |
| 74 finish | |
| 75 endif | |
| 3445 | 76 |
| 77 let s:cpo_save = &cpo | |
| 78 set cpo&vim | |
| 13912 | 79 " Define global variable {{{1 |
| 3224 | 80 let b:did_indent = 1 |
| 81 | |
| 82 if !exists("g:tex_indent_items") | |
| 83 let g:tex_indent_items = 1 | |
| 84 endif | |
| 85 if !exists("g:tex_indent_brace") | |
| 86 let g:tex_indent_brace = 1 | |
| 87 endif | |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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88 if !exists("g:tex_max_scan_line") |
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commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
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89 let g:tex_max_scan_line = 60 |
| 3224 | 90 endif |
| 91 if g:tex_indent_items | |
| 92 if !exists("g:tex_itemize_env") | |
| 93 let g:tex_itemize_env = 'itemize\|description\|enumerate\|thebibliography' | |
| 94 endif | |
| 95 if !exists('g:tex_items') | |
| 13912 | 96 let g:tex_items = '\\bibitem\|\\item' |
| 3224 | 97 endif |
| 98 else | |
| 99 let g:tex_items = '' | |
| 100 endif | |
| 101 | |
| 102 if !exists("g:tex_noindent_env") | |
| 103 let g:tex_noindent_env = 'document\|verbatim\|lstlisting' | |
| 3445 | 104 endif "}}} |
| 13912 | 105 " VIM Setting " {{{1 |
| 3224 | 106 setlocal autoindent |
| 107 setlocal nosmartindent | |
| 108 setlocal indentexpr=GetTeXIndent() | |
| 3445 | 109 setlocal indentkeys& |
| 110 exec 'setlocal indentkeys+=[,(,{,),},],\&' . substitute(g:tex_items, '^\|\(\\|\)', ',=', 'g') | |
| 111 let g:tex_items = '^\s*' . substitute(g:tex_items, '^\(\^\\s\*\)*', '', '') | |
| 13912 | 112 |
| 113 let b:undo_indent = 'setlocal indentexpr< indentkeys< smartindent< autoindent<' | |
| 3445 | 114 " }}} |
| 13912 | 115 function! GetTeXIndent() " {{{1 |
| 3224 | 116 " Find a non-blank line above the current line. |
| 117 let lnum = prevnonblank(v:lnum - 1) | |
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118 let cnum = v:lnum |
| 3224 | 119 |
| 120 " Comment line is not what we need. | |
| 121 while lnum != 0 && getline(lnum) =~ '^\s*%' | |
| 122 let lnum = prevnonblank(lnum - 1) | |
| 123 endwhile | |
| 124 | |
| 125 " At the start of the file use zero indent. | |
| 126 if lnum == 0 | |
| 13912 | 127 return 0 |
| 3224 | 128 endif |
| 129 | |
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130 let line = substitute(getline(lnum), '\s*%.*', '','g') " last line |
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131 let cline = substitute(getline(v:lnum), '\s*%.*', '', 'g') " current line |
| 3224 | 132 |
| 3445 | 133 " We are in verbatim, so do what our user what. |
| 134 if synIDattr(synID(v:lnum, indent(v:lnum), 1), "name") == "texZone" | |
| 135 if empty(cline) | |
| 136 return indent(lnum) | |
| 137 else | |
| 138 return indent(v:lnum) | |
| 139 end | |
| 140 endif | |
| 13912 | 141 |
| 3224 | 142 if lnum == 0 |
| 13912 | 143 return 0 |
| 3224 | 144 endif |
| 145 | |
| 146 let ind = indent(lnum) | |
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147 let stay = 1 |
| 3224 | 148 |
| 149 " New code for comment: retain the indent of current line | |
| 150 if cline =~ '^\s*%' | |
| 151 return indent(v:lnum) | |
| 152 endif | |
| 153 | |
| 13912 | 154 " Add a 'shiftwidth' after beginning of environments |
| 155 " But don't do it for g:tex_noindent_env or when it also ends at the | |
| 156 " previous line. | |
| 157 if line =~ '\\begin{.*}' && line !~ '\\end{.*}' && line !~ g:tex_noindent_env | |
| 158 let ind = ind + shiftwidth() | |
| 159 let stay = 0 | |
| 3224 | 160 |
| 161 if g:tex_indent_items | |
| 162 " Add another sw for item-environments | |
| 163 if line =~ g:tex_itemize_env | |
| 11518 | 164 let ind = ind + shiftwidth() |
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165 let stay = 0 |
| 3224 | 166 endif |
| 167 endif | |
| 168 endif | |
| 169 | |
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170 if cline =~ '\\end{.*}' |
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171 let retn = s:GetEndIndentation(v:lnum) |
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172 if retn != -1 |
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173 return retn |
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174 endif |
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175 end |
| 3224 | 176 " Subtract a 'shiftwidth' when an environment ends |
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177 if cline =~ '\\end{.*}' |
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178 \ && cline !~ g:tex_noindent_env |
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179 \ && cline !~ '\\begin{.*}.*\\end{.*}' |
| 3224 | 180 if g:tex_indent_items |
| 181 " Remove another sw for item-environments | |
| 182 if cline =~ g:tex_itemize_env | |
| 11518 | 183 let ind = ind - shiftwidth() |
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184 let stay = 0 |
| 3224 | 185 endif |
| 186 endif | |
| 187 | |
| 11518 | 188 let ind = ind - shiftwidth() |
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189 let stay = 0 |
| 3224 | 190 endif |
| 191 | |
| 192 if g:tex_indent_brace | |
| 13912 | 193 let char = line[strlen(line)-1] |
| 194 if char == '[' || char == '{' | |
| 11518 | 195 let ind += shiftwidth() |
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196 let stay = 0 |
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197 endif |
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198 |
| 13912 | 199 let cind = indent(v:lnum) |
| 200 let char = cline[cind] | |
| 201 if (char == ']' || char == '}') && | |
| 202 \ s:CheckPairedIsLastCharacter(v:lnum, cind) | |
| 11518 | 203 let ind -= shiftwidth() |
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204 let stay = 0 |
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205 endif |
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206 |
| 13912 | 207 for i in range(indent(lnum)+1, strlen(line)-1) |
| 208 let char = line[i] | |
| 209 if char == ']' || char == '}' | |
| 210 if s:CheckPairedIsLastCharacter(lnum, i) | |
| 211 let ind -= shiftwidth() | |
| 212 let stay = 0 | |
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213 endif |
| 13912 | 214 endif |
| 215 endfor | |
| 3445 | 216 endif |
| 3224 | 217 |
| 218 " Special treatment for 'item' | |
| 219 " ---------------------------- | |
| 220 | |
| 221 if g:tex_indent_items | |
| 222 " '\item' or '\bibitem' itself: | |
| 223 if cline =~ g:tex_items | |
| 11518 | 224 let ind = ind - shiftwidth() |
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225 let stay = 0 |
| 3224 | 226 endif |
| 227 " lines following to '\item' are intented once again: | |
| 228 if line =~ g:tex_items | |
| 11518 | 229 let ind = ind + shiftwidth() |
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230 let stay = 0 |
| 3224 | 231 endif |
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232 endif |
| 3224 | 233 |
| 13912 | 234 if stay |
| 235 " If there is no obvious indentation hint, we trust our user. | |
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236 if empty(cline) |
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237 return ind |
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238 else |
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239 return max([indent(v:lnum), s:GetLastBeginIndentation(v:lnum)]) |
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240 endif |
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241 else |
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242 return ind |
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243 endif |
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244 endfunction "}}} |
| 13912 | 245 function! s:GetLastBeginIndentation(lnum) " {{{1 |
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246 let matchend = 1 |
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247 for lnum in range(a:lnum-1, max([a:lnum - g:tex_max_scan_line, 1]), -1) |
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248 let line = getline(lnum) |
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249 if line =~ '\\end{.*}' |
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250 let matchend += 1 |
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251 endif |
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252 if line =~ '\\begin{.*}' |
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253 let matchend -= 1 |
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254 endif |
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255 if matchend == 0 |
| 13912 | 256 if line =~ g:tex_itemize_env |
| 257 return indent(lnum) + 2 * shiftwidth() | |
| 258 endif | |
| 11442 | 259 if line =~ g:tex_noindent_env |
| 260 return indent(lnum) | |
| 261 endif | |
| 11518 | 262 return indent(lnum) + shiftwidth() |
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263 endif |
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264 endfor |
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265 return -1 |
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266 endfunction |
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267 |
| 13912 | 268 function! s:GetEndIndentation(lnum) " {{{1 |
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269 if getline(a:lnum) =~ '\\begin{.*}.*\\end{.*}' |
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270 return -1 |
| 3224 | 271 endif |
| 272 | |
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273 let min_indent = 100 |
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274 let matchend = 1 |
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275 for lnum in range(a:lnum-1, max([a:lnum-g:tex_max_scan_line, 1]), -1) |
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276 let line = getline(lnum) |
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277 if line =~ '\\end{.*}' |
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278 let matchend += 1 |
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279 endif |
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280 if line =~ '\\begin{.*}' |
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281 let matchend -= 1 |
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282 endif |
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283 if matchend == 0 |
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284 return indent(lnum) |
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285 endif |
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286 if !empty(line) |
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287 let min_indent = min([min_indent, indent(lnum)]) |
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288 endif |
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289 endfor |
| 11518 | 290 return min_indent - shiftwidth() |
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291 endfunction |
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292 |
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293 " Most of the code is from matchparen.vim |
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294 function! s:CheckPairedIsLastCharacter(lnum, col) "{{{ |
| 13912 | 295 " Get the character under the cursor and check if it's in 'matchpairs'. |
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296 let c_lnum = a:lnum |
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297 let c_col = a:col+1 |
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298 |
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299 |
| 13912 | 300 let c = getline(c_lnum)[c_col-1] |
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301 let plist = split(&matchpairs, '.\zs[:,]') |
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302 let i = index(plist, c) |
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303 if i < 0 |
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304 return 0 |
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305 endif |
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306 |
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307 " Figure out the arguments for searchpairpos(). |
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308 if i % 2 == 0 |
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309 let s_flags = 'nW' |
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310 let c2 = plist[i + 1] |
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311 else |
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312 let s_flags = 'nbW' |
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313 let c2 = c |
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314 let c = plist[i - 1] |
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315 endif |
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316 if c == '[' |
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317 let c = '\[' |
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318 let c2 = '\]' |
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319 endif |
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320 |
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321 " Find the match. When it was just before the cursor move it there for a |
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322 " moment. |
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323 let save_cursor = winsaveview() |
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324 call cursor(c_lnum, c_col) |
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325 |
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326 " When not in a string or comment ignore matches inside them. |
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327 " We match "escape" for special items, such as lispEscapeSpecial. |
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328 let s_skip ='synIDattr(synID(line("."), col("."), 0), "name") ' . |
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329 \ '=~? "string\\|character\\|singlequote\\|escape\\|comment"' |
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330 execute 'if' s_skip '| let s_skip = 0 | endif' |
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331 |
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332 let stopline = max([0, c_lnum - g:tex_max_scan_line]) |
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333 |
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334 " Limit the search time to 300 msec to avoid a hang on very long lines. |
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335 " This fails when a timeout is not supported. |
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336 try |
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337 let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, 100) |
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338 catch /E118/ |
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339 endtry |
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340 |
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341 call winrestview(save_cursor) |
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342 |
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4437
diff
changeset
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343 if m_lnum > 0 |
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1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
Christian Brabandt <cb@256bit.org>
parents:
4437
diff
changeset
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344 let line = getline(m_lnum) |
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1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
Christian Brabandt <cb@256bit.org>
parents:
4437
diff
changeset
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345 return strlen(line) == m_col |
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1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
Christian Brabandt <cb@256bit.org>
parents:
4437
diff
changeset
|
346 endif |
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1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
Christian Brabandt <cb@256bit.org>
parents:
4437
diff
changeset
|
347 |
|
1bf1b88968a2
commit https://github.com/vim/vim/commit/328da0dcb7be34b594725eef6dc98d3ea6516d69
Christian Brabandt <cb@256bit.org>
parents:
4437
diff
changeset
|
348 return 0 |
| 13912 | 349 endfunction |
| 350 " Reset cpo setting {{{1 | |
| 3237 | 351 let &cpo = s:cpo_save |
| 352 unlet s:cpo_save | |
| 353 | |
| 3224 | 354 " vim: set sw=4 textwidth=80: |