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
comparison
equal deleted inserted replaced
9859:72104c1f1961 9860:9eaf8ef656e9
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