diff options
Diffstat (limited to 'runtime/indent/javascript.vim')
| -rw-r--r-- | runtime/indent/javascript.vim | 183 |
1 files changed, 107 insertions, 76 deletions
diff --git a/runtime/indent/javascript.vim b/runtime/indent/javascript.vim index 2861716287..f3bf96aa97 100644 --- a/runtime/indent/javascript.vim +++ b/runtime/indent/javascript.vim @@ -2,7 +2,7 @@ " Language: Javascript " Maintainer: Chris Paul ( https://github.com/bounceme ) " URL: https://github.com/pangloss/vim-javascript -" Last Change: September 18, 2017 +" Last Change: December 4, 2017 " Only load this indent file when no other was loaded. if exists('b:did_indent') @@ -10,10 +10,6 @@ if exists('b:did_indent') endif let b:did_indent = 1 -" indent correctly if inside <script> -" vim/vim@690afe1 for the switch from cindent -let b:html_indent_script1 = 'inc' - " Now, set up our indentation expression and keys that trigger it. setlocal indentexpr=GetJavascriptIndent() setlocal autoindent nolisp nosmartindent @@ -25,13 +21,6 @@ setlocal indentkeys+=0],0) let b:undo_indent = 'setlocal indentexpr< smartindent< autoindent< indentkeys<' -" Regex of syntax group names that are or delimit string or are comments. -let b:syng_strcom = get(b:,'syng_strcom','string\|comment\|regex\|special\|doc\|template\%(braces\)\@!') -let b:syng_str = get(b:,'syng_str','string\|template\|special') -" template strings may want to be excluded when editing graphql: -" au! Filetype javascript let b:syng_str = '^\%(.*template\)\@!.*string\|special' -" au! Filetype javascript let b:syng_strcom = '^\%(.*template\)\@!.*string\|comment\|regex\|special\|doc' - " Only define the function once. if exists('*GetJavascriptIndent') finish @@ -40,6 +29,23 @@ endif let s:cpo_save = &cpo set cpo&vim +" indent correctly if inside <script> +" vim/vim@690afe1 for the switch from cindent +" overridden with b:html_indent_script1 +call extend(g:,{'html_indent_script1': 'inc'},'keep') + +" Regex of syntax group names that are or delimit string or are comments. +let s:bvars = { + \ 'syng_strcom': 'string\|comment\|regex\|special\|doc\|template\%(braces\)\@!', + \ 'syng_str': 'string\|template\|special' } +" template strings may want to be excluded when editing graphql: +" au! Filetype javascript let b:syng_str = '^\%(.*template\)\@!.*string\|special' +" au! Filetype javascript let b:syng_strcom = '^\%(.*template\)\@!.*string\|comment\|regex\|special\|doc' + +function s:GetVars() + call extend(b:,extend(s:bvars,{'js_cache': [0,0,0]}),'keep') +endfunction + " Get shiftwidth value if exists('*shiftwidth') function s:sw() @@ -104,21 +110,22 @@ endfunction function s:SkipFunc() if s:top_col == 1 throw 'out of bounds' - endif - let s:top_col = 0 - if s:check_in + elseif s:check_in if eval(s:skip_expr) return 1 endif let s:check_in = 0 elseif getline('.') =~ '\%<'.col('.').'c\/.\{-}\/\|\%>'.col('.').'c[''"]\|\\$' if eval(s:skip_expr) - let s:looksyn = a:firstline return 1 endif - elseif search('\m`\|\${\|\*\/','nW'.s:z,s:looksyn) && eval(s:skip_expr) - let s:check_in = 1 - return 1 + elseif search('\m`\|\${\|\*\/','nW'.s:z,s:looksyn) + if eval(s:skip_expr) + let s:check_in = 1 + return 1 + endif + else + let s:synid_cache[:] += [[line2byte('.') + col('.') - 1], ['']] endif let [s:looksyn, s:top_col] = getpos('.')[1:2] endfunction @@ -159,19 +166,29 @@ function s:Token() return s:LookingAt() =~ '\k' ? expand('<cword>') : s:LookingAt() endfunction -function s:PreviousToken() - let l:col = col('.') +function s:PreviousToken(...) + let [l:pos, tok] = [getpos('.'), ''] if search('\m\k\{1,}\|\S','ebW') - if search('\m\*\%#\/\|\/\/\%<'.a:firstline.'l','nbW',line('.')) && eval(s:in_comm) - if s:SearchLoop('\S\ze\_s*\/[/*]','bW',s:in_comm) - return s:Token() + if getline('.')[col('.')-2:col('.')-1] == '*/' + if eval(s:in_comm) && !s:SearchLoop('\S\ze\_s*\/[/*]','bW',s:in_comm) + call setpos('.',l:pos) + else + let tok = s:Token() endif - call cursor(a:firstline, l:col) else - return s:Token() + let two = a:0 || line('.') != l:pos[1] ? strridx(getline('.')[:col('.')],'//') + 1 : 0 + if two && eval(s:in_comm) + call cursor(0,two) + let tok = s:PreviousToken(1) + if tok is '' + call setpos('.',l:pos) + endif + else + let tok = s:Token() + endif endif endif - return '' + return tok endfunction function s:Pure(f,...) @@ -183,23 +200,30 @@ function s:SearchLoop(pat,flags,expr) endfunction function s:ExprCol() + if getline('.')[col('.')-2] == ':' + return 1 + endif let bal = 0 - while s:SearchLoop('[{}?]\|\_[^:]\zs::\@!','bW',s:skip_expr) + while s:SearchLoop('[{}?:]','bW',s:skip_expr) if s:LookingAt() == ':' + if getline('.')[col('.')-2] == ':' + call cursor(0,col('.')-1) + continue + endif let bal -= 1 elseif s:LookingAt() == '?' - let bal += 1 - if bal == 1 - break + if getline('.')[col('.'):col('.')+1] =~ '^\.\d\@!' + continue + elseif !bal + return 1 endif + let bal += 1 elseif s:LookingAt() == '{' - let bal = !s:IsBlock() - break + return !s:IsBlock() elseif !s:GetPair('{','}','bW',s:skip_expr) break endif endwhile - return s:Nat(bal) endfunction " configurable regexes that define continuation lines, not including (, {, or [. @@ -208,30 +232,29 @@ let s:opfirst = '^' . get(g:,'javascript_opfirst', let s:continuation = get(g:,'javascript_continuation', \ '\C\%([<=,.~!?/*^%|&:]\|+\@<!+\|-\@<!-\|=\@<!>\|\<\%(typeof\|new\|delete\|void\|in\|instanceof\|await\)\)') . '$' -function s:Continues(ln,con) - let tok = matchstr(a:con[-15:],s:continuation) +function s:Continues() + let tok = matchstr(strpart(getline('.'),col('.')-15,15),s:continuation) if tok =~ '[a-z:]' - call cursor(a:ln, len(a:con)) return tok == ':' ? s:ExprCol() : s:PreviousToken() != '.' elseif tok !~ '[/>]' return tok isnot '' endif - return s:SynAt(a:ln, len(a:con)) !~? (tok == '>' ? 'jsflow\|^html' : 'regex') + return s:SynAt(line('.'),col('.')) !~? (tok == '>' ? 'jsflow\|^html' : 'regex') endfunction " Check if line 'lnum' has a balanced amount of parentheses. -function s:Balanced(lnum) - let [l:open, l:line] = [0, getline(a:lnum)] - let pos = match(l:line, '[][(){}]') +function s:Balanced(lnum,line) + let l:open = 0 + let pos = match(a:line, '[][(){}]') while pos != -1 if s:SynAt(a:lnum,pos + 1) !~? b:syng_strcom - let l:open += match(' ' . l:line[pos],'[[({]') + let l:open += match(' ' . a:line[pos],'[[({]') if l:open < 0 return endif endif - let pos = match(l:line, !l:open ? '[][(){}]' : '()' =~ l:line[pos] ? - \ '[()]' : '{}' =~ l:line[pos] ? '[{}]' : '[][]', pos + 1) + let pos = match(a:line, !l:open ? '[][(){}]' : '()' =~ a:line[pos] ? + \ '[()]' : '{}' =~ a:line[pos] ? '[{}]' : '[][]', pos + 1) endwhile return !l:open endfunction @@ -244,27 +267,38 @@ function s:OneScope() \ s:Pure('s:PreviousToken') != '.' && !(tok == 'while' && s:DoWhile()) elseif s:Token() =~# '^else$\|^do$' return s:Pure('s:PreviousToken') != '.' + elseif strpart(getline('.'),col('.')-2,2) == '=>' + call cursor(0,col('.')-1) + if s:PreviousToken() == ')' + return s:GetPair('(', ')', 'bW', s:skip_expr) + endif + return 1 endif - return strpart(getline('.'),col('.')-2,2) == '=>' endfunction function s:DoWhile() let cpos = searchpos('\m\<','cbW') - if s:SearchLoop('\C[{}]\|\<\%(do\|while\)\>','bW',s:skip_expr) - if s:{s:LookingAt() == '}' && s:GetPair('{','}','bW',s:skip_expr) ? - \ 'Previous' : ''}Token() ==# 'do' && s:IsBlock() - return 1 + while s:SearchLoop('\C[{}]\|\<\%(do\|while\)\>','bW',s:skip_expr) + if s:LookingAt() =~ '\a' + if s:Pure('s:IsBlock') + if s:LookingAt() ==# 'd' + return 1 + endif + break + endif + elseif s:LookingAt() != '}' || !s:GetPair('{','}','bW',s:skip_expr) + break endif - call call('cursor',cpos) - endif + endwhile + call call('cursor',cpos) endfunction " returns total offset from braceless contexts. 'num' is the lineNr which " encloses the entire context, 'cont' if whether a:firstline is a continued " expression, which could have started in a braceless context -function s:IsContOne(num,cont) - let [l:num, b_l] = [a:num + !a:num, 0] - let pind = a:num ? indent(a:num) + s:sw() : 0 +function s:IsContOne(cont) + let [l:num, b_l] = [b:js_cache[1] + !b:js_cache[1], 0] + let pind = b:js_cache[1] ? indent(b:js_cache[1]) + s:sw() : 0 let ind = indent('.') + !a:cont while line('.') > l:num && ind > pind || line('.') == l:num if indent('.') < ind && s:OneScope() @@ -282,20 +316,16 @@ function s:IsContOne(num,cont) return b_l endfunction -function s:Class() - return (s:Token() ==# 'class' || s:PreviousToken() =~# '^class$\|^extends$') && - \ s:PreviousToken() != '.' -endfunction - function s:IsSwitch() - return s:PreviousToken() !~ '[.*]' && - \ (!s:GetPair('{','}','cbW',s:skip_expr) || s:IsBlock() && !s:Class()) + call call('cursor',b:js_cache[1:]) + return search('\m\C\%#.\_s*\%(\%(\/\/.*\_$\|\/\*\_.\{-}\*\/\)\@>\_s*\)*\%(case\|default\)\>','nWc'.s:z) endfunction " https://github.com/sweet-js/sweet.js/wiki/design#give-lookbehind-to-the-reader function s:IsBlock() let tok = s:PreviousToken() if join(s:stack) =~? 'xml\|jsx' && s:SynAt(line('.'),col('.')-1) =~? 'xml\|jsx' + let s:in_jsx = 1 return tok != '{' elseif tok =~ '\k' if tok ==# 'type' @@ -320,7 +350,7 @@ function s:IsBlock() endfunction function GetJavascriptIndent() - let b:js_cache = get(b:,'js_cache',[0,0,0]) + call s:GetVars() let s:synid_cache = [[],[]] let l:line = getline(v:lnum) " use synstack as it validates syn state and works in an empty line @@ -334,7 +364,7 @@ function GetJavascriptIndent() return -1 endif elseif s:stack[-1] =~? b:syng_str - if b:js_cache[0] == v:lnum - 1 && s:Balanced(v:lnum-1) + if b:js_cache[0] == v:lnum - 1 && s:Balanced(v:lnum-1,getline(v:lnum-1)) let b:js_cache[0] = v:lnum endif return -1 @@ -361,7 +391,7 @@ function GetJavascriptIndent() call cursor(v:lnum,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) + \ b:js_cache[0] == l:lnum && s:Balanced(l:lnum,pline) call call('cursor',b:js_cache[1:]) else let [s:looksyn, s:top_col, s:check_in, s:l1] = [v:lnum - 1,0,0, @@ -382,10 +412,10 @@ function GetJavascriptIndent() let [b:js_cache[0], num] = [v:lnum, b:js_cache[1]] - let [num_ind, is_op, b_l, l:switch_offset] = [s:Nat(indent(num)),0,0,0] + let [num_ind, is_op, b_l, l:switch_offset, s:in_jsx] = [s:Nat(indent(num)),0,0,0,0] if !num || s:LookingAt() == '{' && s:IsBlock() let ilnum = line('.') - if num && s:LookingAt() == ')' && s:GetPair('(',')','bW',s:skip_expr) + if num && !s:in_jsx && s:LookingAt() == ')' && s:GetPair('(',')','bW',s:skip_expr) if ilnum == num let [num, num_ind] = [line('.'), indent('.')] endif @@ -399,23 +429,24 @@ function GetJavascriptIndent() endif endif if idx == -1 && pline[-1:] !~ '[{;]' + call cursor(l:lnum, len(pline)) let sol = matchstr(l:line,s:opfirst) if sol is '' || sol == '/' && s:SynAt(v:lnum, \ 1 + len(getline(v:lnum)) - len(l:line)) =~? 'regex' - if s:Continues(l:lnum,pline) + if s:Continues() let is_op = s:sw() endif - elseif num && sol =~# '^\%(in\%(stanceof\)\=\|\*\)$' - call call('cursor',b:js_cache[1:]) - if s:PreviousToken() =~ '\k' && s:Class() - return num_ind + s:sw() - endif - let is_op = s:sw() + elseif num && sol =~# '^\%(in\%(stanceof\)\=\|\*\)$' && + \ s:LookingAt() == '}' && s:GetPair('{','}','bW',s:skip_expr) && + \ s:PreviousToken() == ')' && s:GetPair('(',')','bW',s:skip_expr) && + \ (s:PreviousToken() == ']' || s:LookingAt() =~ '\k' && + \ s:{s:PreviousToken() == '*' ? 'Previous' : ''}Token() !=# 'function') + return num_ind + s:sw() else let is_op = s:sw() endif call cursor(l:lnum, len(pline)) - let b_l = s:Nat(s:IsContOne(b:js_cache[1],is_op) - (!is_op && l:line =~ '^{')) * s:sw() + let b_l = s:Nat(s:IsContOne(is_op) - (!is_op && l:line =~ '^{')) * s:sw() endif elseif idx.s:LookingAt().&cino =~ '^-1(.*(' && (search('\m\S','nbW',num) || s:ParseCino('U')) let pval = s:ParseCino('(') @@ -431,10 +462,10 @@ function GetJavascriptIndent() " main return if l:line =~ '^[])}]\|^|}' - if l:line_raw[0] == ')' && getline(num)[b:js_cache[2]-1] == '(' + if l:line_raw[0] == ')' if s:ParseCino('M') return indent(l:lnum) - elseif &cino =~# 'm' && !s:ParseCino('m') + elseif num && &cino =~# 'm' && !s:ParseCino('m') return virtcol('.') - 1 endif endif |