Mercurial > vim
comparison runtime/indent/javascript.vim @ 9860:9eaf8ef656e9
commit https://github.com/vim/vim/commit/0952131376a517fc12dc5ae908a97018b4ee23f0
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Aug 12 22:54:35 2016 +0200
Updated runtime files.
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Fri, 12 Aug 2016 23:00:07 +0200 |
parents | 0303182665d5 |
children | 03fa8a51e9dc |
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9859:72104c1f1961 | 9860:9eaf8ef656e9 |
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1 " Vim indent file | 1 " Vim indent file |
2 " Language: Javascript | 2 " Language: Javascript |
3 " Maintainer: Going to be Darrick Wiebe | 3 " Maintainer: vim-javascript community |
4 " Last Change: 2015 Jun 09 | 4 " URL: https://github.com/pangloss/vim-javascript |
5 " Last Change: August 12, 2016 | |
5 | 6 |
6 " Only load this indent file when no other was loaded. | 7 " Only load this indent file when no other was loaded. |
7 if exists("b:did_indent") | 8 if exists('b:did_indent') |
8 finish | 9 finish |
9 endif | 10 endif |
10 let b:did_indent = 1 | 11 let b:did_indent = 1 |
11 | 12 |
12 " C indenting is not too bad. | 13 " Now, set up our indentation expression and keys that trigger it. |
13 setlocal cindent | 14 setlocal indentexpr=GetJavascriptIndent() |
15 setlocal nolisp | |
16 setlocal indentkeys=0{,0},0),0],:,!^F,o,O,e | |
14 setlocal cinoptions+=j1,J1 | 17 setlocal cinoptions+=j1,J1 |
15 setlocal cinkeys-=0# | |
16 setlocal cinkeys+=0] | |
17 | 18 |
18 let b:undo_indent = "setl cin<" | 19 let b:undo_indent = 'setlocal indentexpr< indentkeys< cinoptions<' |
20 | |
21 " Only define the function once. | |
22 if exists('*GetJavascriptIndent') | |
23 finish | |
24 endif | |
25 | |
26 let s:cpo_save = &cpo | |
27 set cpo&vim | |
28 | |
29 " Get shiftwidth value | |
30 if exists('*shiftwidth') | |
31 function s:sw() | |
32 return shiftwidth() | |
33 endfunction | |
34 else | |
35 function s:sw() | |
36 return &sw | |
37 endfunction | |
38 endif | |
39 | |
40 let s:line_pre = '^\s*\%(\/\*.\{-}\*\/\s*\)*' | |
41 let s:expr_case = s:line_pre . '\%(\%(case\>.\+\)\|default\)\s*:' | |
42 " Regex of syntax group names that are or delimit string or are comments. | |
43 let s:syng_strcom = '\%(s\%(tring\|pecial\)\|comment\|regex\|doc\|template\)' | |
44 | |
45 " Regex of syntax group names that are strings or documentation. | |
46 let s:syng_comment = '\%(comment\|doc\)' | |
47 | |
48 " Expression used to check whether we should skip a match with searchpair(). | |
49 let s:skip_expr = "line('.') < (prevnonblank(v:lnum) - 2000) ? dummy : synIDattr(synID(line('.'),col('.'),0),'name') =~? '".s:syng_strcom."'" | |
50 | |
51 function s:lookForParens(start,end,flags,time) | |
52 if has('reltime') | |
53 return searchpair(a:start,'',a:end,a:flags,s:skip_expr,0,a:time) | |
54 else | |
55 return searchpair(a:start,'',a:end,a:flags,0,0) | |
56 endif | |
57 endfunction | |
58 | |
59 let s:line_term = '\%(\s*\%(\/\*.\{-}\*\/\s*\)\=\)\@>$' | |
60 | |
61 " configurable regexes that define continuation lines, not including (, {, or [. | |
62 if !exists('g:javascript_opfirst') | |
63 let g:javascript_opfirst = '\%([<>,:?^%]\|\([-/.+]\)\%(\1\|\*\|\/\)\@!\|\*\/\@!\|=>\@!\||\|&\|in\%(stanceof\)\=\>\)' | |
64 endif | |
65 let g:javascript_opfirst = s:line_pre . g:javascript_opfirst | |
66 | |
67 if !exists('g:javascript_continuation') | |
68 let g:javascript_continuation = '\%([<*,.?:^%]\|+\@<!+\|-\@<!-\|=\@<!>\|\*\@<!\/\|=\||\|&\|\<in\%(stanceof\)\=\)' | |
69 endif | |
70 let g:javascript_continuation .= s:line_term | |
71 | |
72 function s:Onescope(lnum,text,add) | |
73 return a:text =~# '\%(\<else\|\<do\|=>' . (a:add ? '\|\<try\|\<finally' : '' ) . '\)' . s:line_term || | |
74 \ ((a:add && a:text =~ s:line_pre . '$' && search('\%' . s:PrevCodeLine(a:lnum - 1) . 'l.)' . s:line_term)) || | |
75 \ cursor(a:lnum, match(a:text, ')' . s:line_term)) > -1) && | |
76 \ s:lookForParens('(', ')', 'cbW', 100) > 0 && search((a:add ? | |
77 \ '\%(function\*\|[[:lower:][:upper:]_$][[:digit:][:lower:][:upper:]_$]*\)' : | |
78 \ '\<\%(for\%(\s\+each\)\=\|if\|let\|w\%(hile\|ith\)\)') . '\_s*\%#\C','bW') && | |
79 \ (a:add || (expand('<cword>') ==# 'while' ? !s:lookForParens('\<do\>\C', '\<while\>\C','bW',100) : 1)) | |
80 endfunction | |
81 | |
82 " Auxiliary Functions {{{2 | |
83 | |
84 " strip line of comment | |
85 function s:StripLine(c) | |
86 return a:c !~# s:expr_case ? substitute(a:c, '\%(:\@<!\/\/.*\)$', '','') : a:c | |
87 endfunction | |
88 | |
89 " Find line above 'lnum' that isn't empty, in a comment, or in a string. | |
90 function s:PrevCodeLine(lnum) | |
91 let l:lnum = prevnonblank(a:lnum) | |
92 while l:lnum > 0 | |
93 if synIDattr(synID(l:lnum,matchend(getline(l:lnum), '^\s*[^''"]'),0),'name') !~? s:syng_strcom | |
94 break | |
95 endif | |
96 let l:lnum = prevnonblank(l:lnum - 1) | |
97 endwhile | |
98 return l:lnum | |
99 endfunction | |
100 | |
101 " Check if line 'lnum' has a balanced amount of parentheses. | |
102 function s:Balanced(lnum) | |
103 let open_0 = 0 | |
104 let open_2 = 0 | |
105 let open_4 = 0 | |
106 let l:line = getline(a:lnum) | |
107 let pos = match(l:line, '[][(){}]', 0) | |
108 while pos != -1 | |
109 if synIDattr(synID(a:lnum,pos + 1,0),'name') !~? s:syng_strcom | |
110 let idx = stridx('(){}[]', l:line[pos]) | |
111 if idx % 2 == 0 | |
112 let open_{idx} = open_{idx} + 1 | |
113 else | |
114 let open_{idx - 1} = open_{idx - 1} - 1 | |
115 endif | |
116 endif | |
117 let pos = match(l:line, '[][(){}]', pos + 1) | |
118 endwhile | |
119 return (!open_4 + !open_2 + !open_0) - 2 | |
120 endfunction | |
121 " }}} | |
122 | |
123 function GetJavascriptIndent() | |
124 if !exists('b:js_cache') | |
125 let b:js_cache = [0,0,0] | |
126 endif | |
127 " Get the current line. | |
128 let l:line = getline(v:lnum) | |
129 let syns = synIDattr(synID(v:lnum, 1, 0), 'name') | |
130 | |
131 " start with strings,comments,etc.{{{2 | |
132 if (l:line !~ '^[''"`]' && syns =~? 'string\|template') || | |
133 \ (l:line !~ '^\s*[/*]' && syns =~? s:syng_comment) | |
134 return -1 | |
135 endif | |
136 if l:line !~ '^\%(\/\*\|\s*\/\/\)' && syns =~? s:syng_comment | |
137 return cindent(v:lnum) | |
138 endif | |
139 let l:lnum = s:PrevCodeLine(v:lnum - 1) | |
140 if l:lnum == 0 | |
141 return 0 | |
142 endif | |
143 | |
144 if (l:line =~# s:expr_case) | |
145 let cpo_switch = &cpo | |
146 set cpo+=% | |
147 let ind = cindent(v:lnum) | |
148 let &cpo = cpo_switch | |
149 return ind | |
150 endif | |
151 "}}} | |
152 | |
153 " the containing paren, bracket, curly. Memoize, last lineNr either has the | |
154 " same scope or starts a new one, unless if it closed a scope. | |
155 call cursor(v:lnum,1) | |
156 if b:js_cache[0] >= l:lnum && b:js_cache[0] <= v:lnum && b:js_cache[0] && | |
157 \ (b:js_cache[0] > l:lnum || s:Balanced(l:lnum) > 0) | |
158 let num = b:js_cache[1] | |
159 elseif syns != '' && l:line[0] =~ '\s' | |
160 let pattern = syns =~? 'block' ? ['{','}'] : syns =~? 'jsparen' ? ['(',')'] : | |
161 \ syns =~? 'jsbracket'? ['\[','\]'] : ['[({[]','[])}]'] | |
162 let num = s:lookForParens(pattern[0],pattern[1],'bW',2000) | |
163 else | |
164 let num = s:lookForParens('[({[]','[])}]','bW',2000) | |
165 endif | |
166 let b:js_cache = [v:lnum,num,line('.') == v:lnum ? b:js_cache[2] : col('.')] | |
167 | |
168 if l:line =~ s:line_pre . '[])}]' | |
169 return indent(num) | |
170 endif | |
171 | |
172 let pline = s:StripLine(getline(l:lnum)) | |
173 let inb = num == 0 ? 1 : (s:Onescope(num, s:StripLine(strpart(getline(num),0,b:js_cache[2] - 1)),1) || | |
174 \ (l:line !~ s:line_pre . ',' && pline !~ ',' . s:line_term)) && num < l:lnum | |
175 let switch_offset = (!inb || num == 0) || expand("<cword>") !=# 'switch' ? 0 : &cino !~ ':' || !has('float') ? s:sw() : | |
176 \ float2nr(str2float(matchstr(&cino,'.*:\zs[-0-9.]*')) * (&cino =~# '.*:[^,]*s' ? s:sw() : 1)) | |
177 | |
178 " most significant, find the indent amount | |
179 if (inb && (l:line =~# g:javascript_opfirst || | |
180 \ (pline =~# g:javascript_continuation && pline !~# s:expr_case && (pline !~ ':' . s:line_term || l:line !~# | |
181 \ s:line_pre . '\%(d\%(o\|ebugger\)\|else\|f\%(or\|inally\)\|if\|let\|switch\|t\%(hrow\|ry\)\|w\%(hile\|ith\)\)\>')))) || | |
182 \ (num < l:lnum && s:Onescope(l:lnum,pline,0) && l:line !~ s:line_pre . '{') | |
183 return (num > 0 ? indent(num) : -s:sw()) + (s:sw() * 2) + switch_offset | |
184 elseif num > 0 | |
185 return indent(num) + s:sw() + switch_offset | |
186 endif | |
187 | |
188 endfunction | |
189 | |
190 | |
191 let &cpo = s:cpo_save | |
192 unlet s:cpo_save |