diff options
Diffstat (limited to 'indent/javascript.vim')
| -rw-r--r-- | indent/javascript.vim | 221 |
1 files changed, 132 insertions, 89 deletions
diff --git a/indent/javascript.vim b/indent/javascript.vim index ea6b551d..e5fc7c9f 100644 --- a/indent/javascript.vim +++ b/indent/javascript.vim @@ -4,7 +4,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'javascript') == " Language: Javascript " Maintainer: Chris Paul ( https://github.com/bounceme ) " URL: https://github.com/pangloss/vim-javascript -" Last Change: December 14, 2016 +" Last Change: January 24, 2017 " Only load this indent file when no other was loaded. if exists('b:did_indent') @@ -41,37 +41,39 @@ endif " searchpair() wrapper if has('reltime') function s:GetPair(start,end,flags,skip,time,...) - return searchpair(a:start,'',a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 2000,0] + a:000),a:time) + return searchpair('\m'.a:start,'','\m'.a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 2000,0] + a:000),a:time) endfunction else function s:GetPair(start,end,flags,skip,...) - return searchpair(a:start,'',a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 1000,get(a:000,1)])) + return searchpair('\m'.a:start,'','\m'.a:end,a:flags,a:skip,max([prevnonblank(v:lnum) - 1000,get(a:000,1)])) endfunction endif " Regex of syntax group names that are or delimit string or are comments. -let s:syng_strcom = 'string\|comment\|regex\|special\|doc\|template' +let s:syng_strcom = 'string\|comment\|regex\|special\|doc\|template\%(braces\)\@!' let s:syng_str = 'string\|template' let s:syng_com = 'comment\|doc' " Expression used to check whether we should skip a match with searchpair(). let s:skip_expr = "synIDattr(synID(line('.'),col('.'),0),'name') =~? '".s:syng_strcom."'" function s:skip_func() - if !s:free || search('`\|\*\/','nW',s:looksyn) + if !s:free || search('\m`\|\${\|\*\/','nW',s:looksyn) let s:free = !eval(s:skip_expr) - let s:looksyn = s:free ? line('.') : s:looksyn + let s:looksyn = line('.') return !s:free endif let s:looksyn = line('.') - return (search('\/','nbW',s:looksyn) || search('[''"\\]','nW',s:looksyn)) && eval(s:skip_expr) + return getline('.') =~ '\%<'.col('.').'c\/.\{-}\/\|\%>'.col('.').'c[''"]\|\\$' && + \ eval(s:skip_expr) endfunction function s:alternatePair(stop) - while search('[][(){}]','bW',a:stop) + let pos = getpos('.')[1:2] + while search('\m[][(){}]','bW',a:stop) if !s:skip_func() let idx = stridx('])}',s:looking_at()) if idx + 1 - if !s:GetPair(['\[','(','{'][idx], '])}'[idx],'bW','s:skip_func()',2000,a:stop) + if s:GetPair(['\[','(','{'][idx], '])}'[idx],'bW','s:skip_func()',2000,a:stop) <= 0 break endif else @@ -79,7 +81,14 @@ function s:alternatePair(stop) endif endif endwhile - call cursor(v:lnum,1) + call call('cursor',pos) +endfunction + +function s:save_pos(f,...) + let l:pos = getpos('.')[1:2] + let ret = call(a:f,a:000) + call call('cursor',l:pos) + return ret endfunction function s:syn_at(l,c) @@ -94,57 +103,89 @@ function s:token() return s:looking_at() =~ '\k' ? expand('<cword>') : s:looking_at() endfunction -" NOTE: Moves the cursor, unless a arg is supplied. -function s:previous_token(...) - let l:pos = getpos('.')[1:2] - return [search('.\>\|[^[:alnum:][:space:]_$]','bW') ? - \ (s:looking_at() == '/' || line('.') != l:pos[0] && getline('.') =~ '\/\/') && - \ s:syn_at(line('.'),col('.')) =~? s:syng_com ? - \ search('\_[^/]\zs\/[/*]','bW') ? s:previous_token() : '' - \ : s:token() - \ : ''][a:0 && call('cursor',l:pos)] +function s:previous_token() + let l:n = line('.') + if (s:looking_at() !~ '\k' || search('\m\<','cbW')) && search('\m\S','bW') + if (getline('.')[col('.')-2:col('.')-1] == '*/' || line('.') != l:n && + \ getline('.') =~ '\%<'.col('.').'c\/\/') && s:syn_at(line('.'),col('.')) =~? s:syng_com + while search('\m\/\ze[/*]','cbW') + if !search('\m\S','bW') + break + elseif s:syn_at(line('.'),col('.')) !~? s:syng_com + return s:token() + endif + endwhile + else + return s:token() + endif + endif + return '' endfunction -" switch case label pattern -let s:case_stmt = '\<\%(case\>\s*[^ \t:].*\|default\s*\):\C' +function s:others(p) + return "((line2byte(line('.')) + col('.')) <= ".(line2byte(a:p[0]) + a:p[1]).") || ".s:skip_expr +endfunction -function s:label_end(ln,con) - return !cursor(a:ln,match(' '.a:con, '.*\zs' . s:case_stmt . '$')) && - \ (expand('<cword>') !=# 'default' || s:previous_token(1) !~ '[{,.]') +function s:tern_skip(p) + return s:GetPair('{','}','nbW',s:others(a:p),200,a:p[0]) > 0 +endfunction + +function s:tern_col(p) + return s:GetPair('?',':\@<!::\@!','nbW',s:others(a:p) + \ .' || s:tern_skip('.string(a:p).')',200,a:p[0]) > 0 +endfunction + +function s:label_col() + let pos = getpos('.')[1:2] + let [s:looksyn,s:free] = pos + call s:alternatePair(0) + if s:save_pos('s:IsBlock') + let poss = getpos('.')[1:2] + return call('cursor',pos) || !s:tern_col(poss) + elseif s:looking_at() == ':' + return !s:tern_col([0,0]) + endif endfunction " configurable regexes that define continuation lines, not including (, {, or [. let s:opfirst = '^' . get(g:,'javascript_opfirst', \ '\%([<>=,?^%|*/&]\|\([-.:+]\)\1\@!\|!=\|in\%(stanceof\)\=\>\)') let s:continuation = get(g:,'javascript_continuation', - \ '\%([<=,.~!?/*^%|&:]\|+\@<!+\|-\@<!-\|=\@<!>\|\<\%(typeof\|delete\|void\|in\|instanceof\)\)') . '$' + \ '\%([-+<>=,.~!?/*^%|&:]\|\<\%(typeof\|delete\|void\|in\|instanceof\)\)') . '$' function s:continues(ln,con) return !cursor(a:ln, match(' '.a:con,s:continuation)) && - \ eval((['s:syn_at(line("."),col(".")) !~? "regex"'] + + \ eval( (['s:syn_at(line("."),col(".")) !~? "regex"'] + + \ repeat(['getline(".")[col(".")-2] != tr(s:looking_at(),">","=")'],3) + \ repeat(['s:previous_token() != "."'],5) + [1])[ - \ index(split('/ typeof in instanceof void delete'),s:token())]) + \ index(split('/ > - + typeof in instanceof void delete'),s:token())]) endfunction -" get the line of code stripped of comments. if called with two args, leave -" cursor at the last non-comment char. -function s:Trim(ln,...) - let pline = substitute(getline(a:ln),'\s*$','','') - let l:max = max([match(pline,'.*[^/]\zs\/[/*]'),0]) - while l:max && s:syn_at(a:ln, strlen(pline)) =~? s:syng_com - let pline = substitute(strpart(pline, 0, l:max),'\s*$','','') - let l:max = max([match(pline,'.*[^/]\zs\/[/*]'),0]) - endwhile - return !a:0 || cursor(a:ln,strlen(pline)) ? pline : pline +" get the line of code stripped of comments and move cursor to the last +" non-comment char. +function s:Trim(ln) + call cursor(a:ln+1,1) + call s:previous_token() + return strpart(getline('.'),0,col('.')) endfunction " Find line above 'lnum' that isn't empty or in a comment function s:PrevCodeLine(lnum) let l:n = prevnonblank(a:lnum) - while getline(l:n) =~ '^\s*\/[/*]' || s:syn_at(l:n,1) =~? s:syng_com - let l:n = prevnonblank(l:n-1) + while l:n + if getline(l:n) =~ '^\s*\/[/*]' + if (stridx(getline(l:n),'`') > 0 || getline(l:n-1)[-1:] == '\') && + \ s:syn_at(l:n,1) =~? s:syng_str + return l:n + endif + let l:n = prevnonblank(l:n-1) + elseif s:syn_at(l:n,1) =~? s:syng_com + let l:n = s:save_pos('eval', + \ 'cursor('.l:n.',1) + search(''\m\/\*'',"bW")') + else + return l:n + endif endwhile - return l:n endfunction " Check if line 'lnum' has a balanced amount of parentheses. @@ -165,17 +206,18 @@ function s:Balanced(lnum) endfunction function s:OneScope(lnum) - let pline = s:Trim(a:lnum,1) + let pline = s:Trim(a:lnum) + let kw = 'else do' if pline[-1:] == ')' && s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0 - let token = s:previous_token() - if index(split('await each'),token) + 1 - return s:previous_token() ==# 'for' + call s:previous_token() + let kw = 'for if let while with' + if index(split('await each'),s:token()) + 1 + call s:previous_token() + let kw = 'for' endif - return index(split('for if let while with'),token) + 1 endif - return eval((['getline(".")[col(".")-2] == "="'] + - \ repeat(['s:previous_token(1) != "."'],2) + [0])[ - \ index(split('> else do'),s:token())]) + return pline[-2:] == '=>' || index(split(kw),s:token()) + 1 && + \ s:save_pos('s:previous_token') != '.' endfunction " returns braceless levels started by 'i' and above lines * &sw. 'num' is the @@ -200,26 +242,30 @@ endfunction " https://github.com/sweet-js/sweet.js/wiki/design#give-lookbehind-to-the-reader function s:IsBlock() - let l:ln = line('.') - let char = s:previous_token() - let syn = char =~ '[{>/]' ? s:syn_at(line('.'),col('.')-(char == '{')) : '' - if syn =~? 'xml\|jsx' - return char != '{' - elseif char =~ '\k' - return index(split('return const let import export yield default delete var void typeof throw new in instanceof') - \ ,char) < (0 + (line('.') != l:ln)) || s:previous_token() == '.' - elseif char == '>' - return getline('.')[col('.')-2] == '=' || syn =~? '^jsflow' - elseif char == ':' - return s:label_end(0,strpart(getline('.'),0,col('.'))) + if s:looking_at() == '{' + let l:n = line('.') + let char = s:previous_token() + let syn = char =~ '[{>/]' ? s:syn_at(line('.'),col('.')-(char == '{')) : '' + if syn =~? 'xml\|jsx' + return char != '{' + elseif char =~ '\k' + return index(split('return const let import export yield default delete var await void typeof throw case new in instanceof') + \ ,char) < (line('.') != l:n) || s:previous_token() == '.' + elseif char == '>' + return getline('.')[col('.')-2] == '=' || syn =~? '^jsflow' + elseif char == ':' + return getline('.')[col('.')-2] != ':' && s:label_col() + endif + return syn =~? 'regex' || char !~ '[=~!<*,/?^%|&([]' && + \ (char !~ '[-+]' || l:n != line('.') && getline('.')[col('.')-2] == char) endif - return syn =~? 'regex' || char !~ '[-=~!<*+,/?^%|&([]' endfunction function GetJavascriptIndent() let b:js_cache = get(b:,'js_cache',[0,0,0]) " Get the current line. - let l:line = getline(v:lnum) + call cursor(v:lnum,1) + let l:line = getline('.') let syns = s:syn_at(v:lnum, 1) " start with strings,comments,etc. @@ -249,8 +295,7 @@ function GetJavascriptIndent() endif " the containing paren, bracket, or curly. Many hacks for performance - call cursor(v:lnum,1) - let idx = strlen(l:line) ? stridx('])}',l:line[0]) : -1 + let idx = index([']',')','}'],l:line[0]) if b:js_cache[0] >= l:lnum && b:js_cache[0] < v:lnum && \ (b:js_cache[0] > l:lnum || s:Balanced(l:lnum)) call call('cursor',b:js_cache[1:]) @@ -266,50 +311,48 @@ function GetJavascriptIndent() endif endif - if idx + 1 - if idx == 2 && search('\S','bW',line('.')) && s:looking_at() == ')' - call s:GetPair('(',')','bW',s:skip_expr,200) - endif - return indent('.') - endif - let b:js_cache = [v:lnum] + (line('.') == v:lnum ? [0,0] : getpos('.')[1:2]) let num = b:js_cache[1] let [s:W, isOp, bL, switch_offset] = [s:sw(),0,0,0] - if !num || s:looking_at() == '{' && s:IsBlock() - let pline = s:Trim(l:lnum) + if !num || s:IsBlock() + let ilnum = line('.') + let pline = s:save_pos('s:Trim',l:lnum) if num && s:looking_at() == ')' && s:GetPair('(', ')', 'bW', s:skip_expr, 100) > 0 - let num = line('.') - if s:previous_token() ==# 'switch' - if &cino !~ ':' || !has('float') + let num = ilnum == num ? line('.') : num + if idx < 0 && s:previous_token() ==# 'switch' && s:previous_token() != '.' + if &cino !~ ':' let switch_offset = s:W else - let cinc = matchlist(&cino,'.*:\(-\)\=\([0-9.]*\)\(s\)\=\C') - let switch_offset = float2nr(str2float(cinc[1].(strlen(cinc[2]) ? cinc[2] : strlen(cinc[3]))) - \ * (strlen(cinc[3]) ? s:W : 1)) + let cinc = matchlist(&cino,'.*:\zs\(-\)\=\(\d*\)\(\.\d\+\)\=\(s\)\=\C') + let switch_offset = max([cinc[0] is '' ? 0 : (cinc[1].1) * + \ ((strlen(cinc[2].cinc[3]) ? str2nr(cinc[2].str2nr(cinc[3][1])) : 10) * + \ (cinc[4] is '' ? 1 : s:W)) / 10, -indent(num)]) endif - if pline[-1:] != '.' && l:line =~# '^' . s:case_stmt + if pline[-1:] != '.' && l:line =~# '^\%(default\|case\)\>' return indent(num) + switch_offset - elseif s:label_end(l:lnum,pline) - return indent(l:lnum) + s:W endif endif endif - if pline[-1:] !~ '[{;]' - let isOp = l:line =~# s:opfirst || s:continues(l:lnum,pline) - let bL = s:iscontOne(l:lnum,num,isOp) + if idx < 0 && pline !~ '[{;]$' + if pline =~# ':\@<!:$' + call cursor(l:lnum,strlen(pline)) + let isOp = s:tern_col(b:js_cache[1:2]) * s:W + else + let isOp = (l:line =~# s:opfirst || s:continues(l:lnum,pline)) * s:W + endif + let bL = s:iscontOne(l:lnum,b:js_cache[1],isOp) let bL -= (bL && l:line[0] == '{') * s:W endif endif " main return - if isOp - return (num ? indent(num) : -s:W) + (s:W * 2) + switch_offset + bL + if idx + 1 || l:line[:1] == '|}' + return indent(num) elseif num - return indent(num) + s:W + switch_offset + bL + return indent(num) + s:W + switch_offset + bL + isOp endif - return bL + return bL + isOp endfunction let &cpo = s:cpo_save |