Mercurial > vim
annotate runtime/indent/javascript.vim @ 10548:74effdaa369e
Updated runtime files.
commit https://github.com/vim/vim/commit/68563937f58ea2dc31b58739336c383d2fd7e6cf
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jan 10 13:31:15 2017 +0100
Updated runtime files.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 10 Jan 2017 13:45:05 +0100 |
| parents | 03fa8a51e9dc |
| children | 146a1e213b60 |
| rev | line source |
|---|---|
| 1118 | 1 " Vim indent file |
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2 " Language: Javascript |
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3 " Maintainer: Chris Paul ( https://github.com/bounceme ) |
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4 " URL: https://github.com/pangloss/vim-javascript |
| 10548 | 5 " Last Change: December 31, 2016 |
| 1118 | 6 |
| 7 " Only load this indent file when no other was loaded. | |
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8 if exists('b:did_indent') |
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9 finish |
| 1118 | 10 endif |
| 11 let b:did_indent = 1 | |
| 12 | |
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13 " Now, set up our indentation expression and keys that trigger it. |
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14 setlocal indentexpr=GetJavascriptIndent() |
| 10548 | 15 setlocal autoindent nolisp nosmartindent |
| 16 setlocal indentkeys+=0],0) | |
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17 |
| 10548 | 18 let b:undo_indent = 'setlocal indentexpr< smartindent< autoindent< indentkeys<' |
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19 |
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20 " Only define the function once. |
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21 if exists('*GetJavascriptIndent') |
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22 finish |
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23 endif |
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24 |
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25 let s:cpo_save = &cpo |
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26 set cpo&vim |
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27 |
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28 " Get shiftwidth value |
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29 if exists('*shiftwidth') |
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30 function s:sw() |
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31 return shiftwidth() |
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32 endfunction |
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33 else |
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commit https://github.com/vim/vim/commit/0952131376a517fc12dc5ae908a97018b4ee23f0
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34 function s:sw() |
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35 return &sw |
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36 endfunction |
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37 endif |
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38 |
| 10548 | 39 " searchpair() wrapper |
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40 if has('reltime') |
| 10548 | 41 function s:GetPair(start,end,flags,skip,time,...) |
| 42 return searchpair('\m'.a:start,'','\m'.a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 2000,0] + a:000),a:time) | |
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43 endfunction |
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44 else |
| 10548 | 45 function s:GetPair(start,end,flags,skip,...) |
| 46 return searchpair('\m'.a:start,'','\m'.a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 1000,get(a:000,1)])) | |
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47 endfunction |
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48 endif |
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49 |
| 10548 | 50 " Regex of syntax group names that are or delimit string or are comments. |
| 51 let s:syng_strcom = 'string\|comment\|regex\|special\|doc\|template' | |
| 52 let s:syng_str = 'string\|template' | |
| 53 let s:syng_com = 'comment\|doc' | |
| 54 " Expression used to check whether we should skip a match with searchpair(). | |
| 55 let s:skip_expr = "synIDattr(synID(line('.'),col('.'),0),'name') =~? '".s:syng_strcom."'" | |
| 56 | |
| 57 function s:skip_func() | |
| 58 if !s:free || search('\m`\|\*\/','nW',s:looksyn) | |
| 59 let s:free = !eval(s:skip_expr) | |
| 60 let s:looksyn = s:free ? line('.') : s:looksyn | |
| 61 return !s:free | |
| 62 endif | |
| 63 let s:looksyn = line('.') | |
| 64 return (search('\m\/','nbW',s:looksyn) || search('\m[''"]\|\\$','nW',s:looksyn)) && eval(s:skip_expr) | |
| 65 endfunction | |
| 66 | |
| 67 function s:alternatePair(stop) | |
| 68 let pos = getpos('.')[1:2] | |
| 69 while search('\m[][(){}]','bW',a:stop) | |
| 70 if !s:skip_func() | |
| 71 let idx = stridx('])}',s:looking_at()) | |
| 72 if idx + 1 | |
| 73 if !s:GetPair(['\[','(','{'][idx], '])}'[idx],'bW','s:skip_func()',2000,a:stop) | |
| 74 break | |
| 75 endif | |
| 76 else | |
| 77 return | |
| 78 endif | |
| 79 endif | |
| 80 endwhile | |
| 81 call call('cursor',pos) | |
| 82 endfunction | |
| 83 | |
| 84 function s:save_pos(f,...) | |
| 85 let l:pos = getpos('.')[1:2] | |
| 86 let ret = call(a:f,a:000) | |
| 87 call call('cursor',l:pos) | |
| 88 return ret | |
| 89 endfunction | |
| 90 | |
| 91 function s:syn_at(l,c) | |
| 92 return synIDattr(synID(a:l,a:c,0),'name') | |
| 93 endfunction | |
| 94 | |
| 95 function s:looking_at() | |
| 96 return getline('.')[col('.')-1] | |
| 97 endfunction | |
| 98 | |
| 99 function s:token() | |
| 100 return s:looking_at() =~ '\k' ? expand('<cword>') : s:looking_at() | |
| 101 endfunction | |
| 102 | |
| 103 function s:b_token() | |
| 104 if s:looking_at() =~ '\k' | |
| 105 call search('\m\<','cbW') | |
| 106 endif | |
| 107 return search('\m\S','bW') | |
| 108 endfunction | |
| 109 | |
| 110 function s:previous_token() | |
| 111 let l:n = line('.') | |
| 112 while s:b_token() | |
| 113 if (s:looking_at() == '/' || line('.') != l:n && search('\m\/\/','nbW', | |
| 114 \ line('.'))) && s:syn_at(line('.'),col('.')) =~? s:syng_com | |
| 115 call search('\m\_[^/]\zs\/[/*]','bW') | |
| 116 else | |
| 117 return s:token() | |
| 118 endif | |
| 119 endwhile | |
| 120 return '' | |
| 121 endfunction | |
| 122 | |
| 123 function s:others(p) | |
| 124 return "((line2byte(line('.')) + col('.')) <= ".(line2byte(a:p[0]) + a:p[1]).") || ".s:skip_expr | |
| 125 endfunction | |
| 126 | |
| 127 function s:tern_skip(p) | |
| 128 return s:GetPair('{','}','nbW',s:others(a:p),200,a:p[0]) > 0 | |
| 129 endfunction | |
| 130 | |
| 131 function s:tern_col(p) | |
| 132 return s:GetPair('?',':\@<!::\@!','nbW',s:others(a:p) | |
| 133 \ .' || s:tern_skip('.string(a:p).')',200,a:p[0]) > 0 | |
| 134 endfunction | |
| 135 | |
| 136 function s:label_col() | |
| 137 let pos = getpos('.')[1:2] | |
| 138 let [s:looksyn,s:free] = pos | |
| 139 call s:alternatePair(0) | |
| 140 if s:save_pos('s:IsBlock') | |
| 141 let poss = getpos('.')[1:2] | |
| 142 return call('cursor',pos) || !s:tern_col(poss) | |
| 143 elseif s:looking_at() == ':' | |
| 144 return !s:tern_col([0,0]) | |
| 145 endif | |
| 146 endfunction | |
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147 |
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148 " configurable regexes that define continuation lines, not including (, {, or [. |
| 10548 | 149 let s:opfirst = '^' . get(g:,'javascript_opfirst', |
| 150 \ '\%([<>=,?^%|*/&]\|\([-.:+]\)\1\@!\|!=\|in\%(stanceof\)\=\>\)') | |
| 151 let s:continuation = get(g:,'javascript_continuation', | |
| 152 \ '\%([<=,.~!?/*^%|&:]\|+\@<!+\|-\@<!-\|=\@<!>\|\<\%(typeof\|delete\|void\|in\|instanceof\)\)') . '$' | |
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153 |
| 10548 | 154 function s:continues(ln,con) |
| 155 return !cursor(a:ln, match(' '.a:con,s:continuation)) && | |
| 156 \ eval((['s:syn_at(line("."),col(".")) !~? "regex"'] + | |
| 157 \ repeat(['s:previous_token() != "."'],5) + [1])[ | |
| 158 \ index(split('/ typeof in instanceof void delete'),s:token())]) | |
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159 endfunction |
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160 |
| 10548 | 161 " get the line of code stripped of comments and move cursor to the last |
| 162 " non-comment char. | |
| 163 function s:Trim(ln) | |
| 164 let pline = substitute(getline(a:ln),'\s*$','','') | |
| 165 let l:max = max([match(pline,'.*[^/]\zs\/[/*]'),0]) | |
| 166 while l:max && s:syn_at(a:ln, strlen(pline)) =~? s:syng_com | |
| 167 let pline = substitute(strpart(pline, 0, l:max),'\s*$','','') | |
| 168 let l:max = max([match(pline,'.*[^/]\zs\/[/*]'),0]) | |
| 169 endwhile | |
| 170 return cursor(a:ln,strlen(pline)) ? pline : pline | |
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171 endfunction |
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172 |
| 10548 | 173 " Find line above 'lnum' that isn't empty or in a comment |
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174 function s:PrevCodeLine(lnum) |
| 10548 | 175 let l:n = prevnonblank(a:lnum) |
| 176 while l:n | |
| 177 if getline(l:n) =~ '^\s*\/[/*]' | |
| 178 if (stridx(getline(l:n),'`') > 0 || getline(l:n-1)[-1:] == '\') && | |
| 179 \ s:syn_at(l:n,1) =~? s:syng_str | |
| 180 return l:n | |
| 181 endif | |
| 182 let l:n = prevnonblank(l:n-1) | |
| 183 elseif s:syn_at(l:n,1) =~? s:syng_com | |
| 184 let l:n = s:save_pos('eval', | |
| 185 \ 'cursor('.l:n.',1) + search(''\m\/\*'',"bW")') | |
| 186 else | |
| 187 return l:n | |
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188 endif |
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189 endwhile |
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190 endfunction |
| 1118 | 191 |
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192 " Check if line 'lnum' has a balanced amount of parentheses. |
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193 function s:Balanced(lnum) |
| 10548 | 194 let l:open = 0 |
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195 let l:line = getline(a:lnum) |
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196 let pos = match(l:line, '[][(){}]', 0) |
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197 while pos != -1 |
| 10548 | 198 if s:syn_at(a:lnum,pos + 1) !~? s:syng_strcom |
| 199 let l:open += match(' ' . l:line[pos],'[[({]') | |
| 200 if l:open < 0 | |
| 201 return | |
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202 endif |
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203 endif |
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204 let pos = match(l:line, '[][(){}]', pos + 1) |
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205 endwhile |
| 10548 | 206 return !l:open |
| 207 endfunction | |
| 208 | |
| 209 function s:OneScope(lnum) | |
| 210 let pline = s:Trim(a:lnum) | |
| 211 let kw = 'else do' | |
| 212 if pline[-1:] == ')' && s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0 | |
| 213 call s:previous_token() | |
| 214 let kw = 'for if let while with' | |
| 215 if index(split('await each'),s:token()) + 1 | |
| 216 call s:previous_token() | |
| 217 let kw = 'for' | |
| 218 endif | |
| 219 endif | |
| 220 return pline[-2:] == '=>' || index(split(kw),s:token()) + 1 && | |
| 221 \ s:save_pos('s:previous_token') != '.' | |
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222 endfunction |
| 10548 | 223 |
| 224 " returns braceless levels started by 'i' and above lines * &sw. 'num' is the | |
| 225 " lineNr which encloses the entire context, 'cont' if whether line 'i' + 1 is | |
| 226 " a continued expression, which could have started in a braceless context | |
| 227 function s:iscontOne(i,num,cont) | |
| 228 let [l:i, l:num, bL] = [a:i, a:num + !a:num, 0] | |
| 229 let pind = a:num ? indent(l:num) + s:W : 0 | |
| 230 let ind = indent(l:i) + (a:cont ? 0 : s:W) | |
| 231 while l:i >= l:num && (ind > pind || l:i == l:num) | |
| 232 if indent(l:i) < ind && s:OneScope(l:i) | |
| 233 let bL += s:W | |
| 234 let l:i = line('.') | |
| 235 elseif !a:cont || bL || ind < indent(a:i) | |
| 236 break | |
| 237 endif | |
| 238 let ind = min([ind, indent(l:i)]) | |
| 239 let l:i = s:PrevCodeLine(l:i - 1) | |
| 240 endwhile | |
| 241 return bL | |
| 242 endfunction | |
| 243 | |
| 244 " https://github.com/sweet-js/sweet.js/wiki/design#give-lookbehind-to-the-reader | |
| 245 function s:IsBlock() | |
| 246 if s:looking_at() == '{' | |
| 247 let l:n = line('.') | |
| 248 let char = s:previous_token() | |
| 249 let syn = char =~ '[{>/]' ? s:syn_at(line('.'),col('.')-(char == '{')) : '' | |
| 250 if syn =~? 'xml\|jsx' | |
| 251 return char != '{' | |
| 252 elseif char =~ '\k' | |
| 253 return index(split('return const let import export yield default delete var await void typeof throw case new in instanceof') | |
| 254 \ ,char) < (line('.') != l:n) || s:previous_token() == '.' | |
| 255 elseif char == '>' | |
| 256 return getline('.')[col('.')-2] == '=' || syn =~? '^jsflow' | |
| 257 elseif char == ':' | |
| 258 return getline('.')[col('.')-2] != ':' && s:label_col() | |
| 259 endif | |
| 260 return syn =~? 'regex' || char !~ '[-=~!<*+,/?^%|&([]' | |
| 261 endif | |
| 262 endfunction | |
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263 |
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264 function GetJavascriptIndent() |
| 10548 | 265 let b:js_cache = get(b:,'js_cache',[0,0,0]) |
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266 " Get the current line. |
| 10548 | 267 call cursor(v:lnum,1) |
| 268 let l:line = getline('.') | |
| 269 let syns = s:syn_at(v:lnum, 1) | |
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270 |
| 10548 | 271 " start with strings,comments,etc. |
| 272 if syns =~? s:syng_com | |
| 273 if l:line =~ '^\s*\*' | |
| 274 return cindent(v:lnum) | |
| 275 elseif l:line !~ '^\s*\/[/*]' | |
| 276 return -1 | |
| 277 endif | |
| 278 elseif syns =~? s:syng_str && l:line !~ '^[''"]' | |
| 279 if b:js_cache[0] == v:lnum - 1 && s:Balanced(v:lnum-1) | |
| 280 let b:js_cache[0] = v:lnum | |
| 281 endif | |
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282 return -1 |
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283 endif |
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284 let l:lnum = s:PrevCodeLine(v:lnum - 1) |
| 10548 | 285 if !l:lnum |
| 286 return | |
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287 endif |
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288 |
| 10548 | 289 let l:line = substitute(l:line,'^\s*','','') |
| 290 if l:line[:1] == '/*' | |
| 291 let l:line = substitute(l:line,'^\%(\/\*.\{-}\*\/\s*\)*','','') | |
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292 endif |
| 10548 | 293 if l:line =~ '^\/[/*]' |
| 294 let l:line = '' | |
| 295 endif | |
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296 |
| 10548 | 297 " the containing paren, bracket, or curly. Many hacks for performance |
| 298 let idx = strlen(l:line) ? stridx('])}',l:line[0]) : -1 | |
| 299 if b:js_cache[0] >= l:lnum && b:js_cache[0] < v:lnum && | |
| 300 \ (b:js_cache[0] > l:lnum || s:Balanced(l:lnum)) | |
| 301 call call('cursor',b:js_cache[1:]) | |
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302 else |
| 10548 | 303 let [s:looksyn, s:free, top] = [v:lnum - 1, 1, (!indent(l:lnum) && |
| 304 \ s:syn_at(l:lnum,1) !~? s:syng_str) * l:lnum] | |
| 305 if idx + 1 | |
| 306 call s:GetPair(['\[','(','{'][idx], '])}'[idx],'bW','s:skip_func()',2000,top) | |
| 307 elseif indent(v:lnum) && syns =~? 'block' | |
| 308 call s:GetPair('{','}','bW','s:skip_func()',2000,top) | |
| 309 else | |
| 310 call s:alternatePair(top) | |
| 311 endif | |
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312 endif |
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313 |
| 10548 | 314 if idx + 1 || l:line[:1] == '|}' |
| 315 if idx == 2 && search('\m\S','bW',line('.')) && s:looking_at() == ')' | |
| 316 call s:GetPair('(',')','bW',s:skip_expr,200) | |
| 317 endif | |
| 318 return indent('.') | |
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319 endif |
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320 |
| 10548 | 321 let b:js_cache = [v:lnum] + (line('.') == v:lnum ? [0,0] : getpos('.')[1:2]) |
| 322 let num = b:js_cache[1] | |
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323 |
| 10548 | 324 let [s:W, isOp, bL, switch_offset] = [s:sw(),0,0,0] |
| 325 if !num || s:IsBlock() | |
| 326 let pline = s:save_pos('s:Trim',l:lnum) | |
| 327 if num && s:looking_at() == ')' && s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0 | |
| 328 let num = line('.') | |
| 329 if s:previous_token() ==# 'switch' && s:previous_token() != '.' | |
| 330 if &cino !~ ':' || !has('float') | |
| 331 let switch_offset = s:W | |
| 332 else | |
| 333 let cinc = matchlist(&cino,'.*:\(-\)\=\([0-9.]*\)\(s\)\=\C') | |
| 334 let switch_offset = float2nr(str2float(cinc[1].(strlen(cinc[2]) ? cinc[2] : strlen(cinc[3]))) | |
| 335 \ * (strlen(cinc[3]) ? s:W : 1)) | |
| 336 endif | |
| 337 if pline[-1:] != '.' && l:line =~# '^\%(default\|case\)\>' | |
| 338 return indent(num) + switch_offset | |
| 339 endif | |
| 340 endif | |
| 341 endif | |
| 342 if pline[-1:] !~ '[{;]' | |
| 343 if pline =~# ':\@<!:$' | |
| 344 call cursor(l:lnum,strlen(pline)) | |
| 345 let isOp = s:tern_col(b:js_cache[1:2]) | |
| 346 else | |
| 347 let isOp = l:line =~# s:opfirst || s:continues(l:lnum,pline) | |
| 348 endif | |
| 349 let bL = s:iscontOne(l:lnum,num,isOp) | |
| 350 let bL -= (bL && l:line[0] == '{') * s:W | |
| 351 endif | |
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352 endif |
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353 |
| 10548 | 354 " main return |
| 355 if isOp | |
| 356 return (num ? indent(num) : -s:W) + (s:W * 2) + switch_offset + bL | |
| 357 elseif num | |
| 358 return indent(num) + s:W + switch_offset + bL | |
| 359 endif | |
| 360 return bL | |
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361 endfunction |
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362 |
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363 let &cpo = s:cpo_save |
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364 unlet s:cpo_save |