diff options
author | Bram Moolenaar <Bram@vim.org> | 2013-06-12 21:29:15 +0200 |
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committer | Bram Moolenaar <Bram@vim.org> | 2013-06-12 21:29:15 +0200 |
commit | ec7944aaf2d5fd67b7bd59a69d6a393424b6c8f8 (patch) | |
tree | d578871973ba7c87e0337dbe90b61d75de667100 /runtime/indent | |
parent | cab465a6d7a7d158c99b04ddc81650b468d82227 (diff) | |
download | vim-git-ec7944aaf2d5fd67b7bd59a69d6a393424b6c8f8.tar.gz |
Update runtime files.
Diffstat (limited to 'runtime/indent')
-rw-r--r-- | runtime/indent/eruby.vim | 21 | ||||
-rw-r--r-- | runtime/indent/falcon.vim | 455 | ||||
-rw-r--r-- | runtime/indent/html.vim | 648 | ||||
-rw-r--r-- | runtime/indent/ruby.vim | 321 |
4 files changed, 1074 insertions, 371 deletions
diff --git a/runtime/indent/eruby.vim b/runtime/indent/eruby.vim index a4de118cc..80cab7000 100644 --- a/runtime/indent/eruby.vim +++ b/runtime/indent/eruby.vim @@ -1,9 +1,7 @@ " Vim indent file " Language: eRuby " Maintainer: Tim Pope <vimNOSPAM@tpope.org> -" Last Change: 2010 May 28 -" URL: http://vim-ruby.rubyforge.org -" Anon CVS: See above site +" URL: https://github.com/vim-ruby/vim-ruby " Release Coordinator: Doug Kearns <dougkearns@gmail.com> if exists("b:did_indent") @@ -50,29 +48,32 @@ function! GetErubyIndent(...) call cursor(v:lnum,1) let inruby = searchpair('<%','','%>','W') call cursor(v:lnum,vcol) - if inruby && getline(v:lnum) !~ '^<%\|^\s*-\=%>' - let ind = GetRubyIndent() + if inruby && getline(v:lnum) !~ '^<%\|^\s*[-=]\=%>' + let ind = GetRubyIndent(v:lnum) else exe "let ind = ".b:eruby_subtype_indentexpr endif let lnum = prevnonblank(v:lnum-1) let line = getline(lnum) let cline = getline(v:lnum) - if cline =~# '^\s*<%-\=\s*\%(}\|end\|else\|\%(ensure\|rescue\|elsif\|when\).\{-\}\)\s*\%(-\=%>\|$\)' + if cline =~# '^\s*<%[-=]\=\s*\%(}\|end\|else\|\%(ensure\|rescue\|elsif\|when\).\{-\}\)\s*\%([-=]\=%>\|$\)' let ind = ind - &sw endif - if line =~# '\S\s*<%-\=\s*\%(}\|end\).\{-\}\s*\%(-\=%>\|$\)' + if line =~# '\S\s*<%[-=]\=\s*\%(}\|end\).\{-\}\s*\%([-=]\=%>\|$\)' let ind = ind - &sw endif - if line =~# '\%({\|\<do\)\%(\s*|[^|]*|\)\=\s*-\=%>' + if line =~# '\%({\|\<do\)\%(\s*|[^|]*|\)\=\s*[-=]\=%>' let ind = ind + &sw - elseif line =~# '<%-\=\s*\%(module\|class\|def\|if\|for\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\)\>.*%>' + elseif line =~# '<%[-=]\=\s*\%(module\|class\|def\|if\|for\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\)\>.*%>' let ind = ind + &sw endif if line =~# '^\s*<%[=#-]\=\s*$' && cline !~# '^\s*end\>' let ind = ind + &sw endif - if cline =~# '^\s*-\=%>\s*$' + if line !~# '^\s*<%' && line =~# '%>\s*$' + let ind = ind - &sw + endif + if cline =~# '^\s*[-=]\=%>\s*$' let ind = ind - &sw endif return ind diff --git a/runtime/indent/falcon.vim b/runtime/indent/falcon.vim index 46a228e8b..84b16d55f 100644 --- a/runtime/indent/falcon.vim +++ b/runtime/indent/falcon.vim @@ -2,13 +2,10 @@ " Language: Falcon " Maintainer: Steven Oliver <oliver.steven@gmail.com> " Website: https://steveno@github.com/steveno/falconpl-vim.git -" Credits: Thanks to the ruby.vim authors, I borrow a lot! -" Previous Maintainer: Brent A. Fulgham <bfulgham@debian.org> -" ----------------------------------------------------------- +" Credits: This is, to a great extent, a copy n' paste of ruby.vim. -"====================================== -" SETUP -"====================================== +" 1. Setup {{{1 +" ============ " Only load this indent file when no other was loaded. if exists("b:did_indent") @@ -19,7 +16,7 @@ let b:did_indent = 1 setlocal nosmartindent " Setup indent function and when to use it -setlocal indentexpr=FalconGetIndent() +setlocal indentexpr=FalconGetIndent(v:lnum) setlocal indentkeys=0{,0},0),0],!^F,o,O,e setlocal indentkeys+==~case,=~catch,=~default,=~elif,=~else,=~end,=~\" @@ -31,9 +28,8 @@ endif let s:cpo_save = &cpo set cpo&vim -"====================================== -" VARIABLES -"====================================== +" 2. Variables {{{1 +" ============ " Regex of syntax group names that are strings AND comments let s:syng_strcom = '\<falcon\%(String\|StringEscape\|Comment\)\>' @@ -41,6 +37,31 @@ let s:syng_strcom = '\<falcon\%(String\|StringEscape\|Comment\)\>' " Regex of syntax group names that are strings let s:syng_string = '\<falcon\%(String\|StringEscape\)\>' +" Regex that defines blocks. +" +" Note that there's a slight problem with this regex and s:continuation_regex. +" Code like this will be matched by both: +" +" method_call do |(a, b)| +" +" The reason is that the pipe matches a hanging "|" operator. +" +let s:block_regex = + \ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|\s*(*\s*\%([*@&]\=\h\w*,\=\s*\)\%(,\s*(*\s*[*@&]\=\h\w*\s*)*\s*\)*|\)\=\s*\%(#.*\)\=$' + +let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex + +" Regex that defines continuation lines. +" TODO: this needs to deal with if ...: and so on +let s:continuation_regex = + \ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' + +" Regex that defines bracket continuations +let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$' + +" Regex that defines continuation lines, not including (, {, or [. +let s:non_bracket_continuation_regex = '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' + " Keywords to indent on let s:falcon_indent_keywords = '^\s*\(case\|catch\|class\|enum\|default\|elif\|else' . \ '\|for\|function\|if.*"[^"]*:.*"\|if \(\(:\)\@!.\)*$\|loop\|object\|select' . @@ -49,109 +70,381 @@ let s:falcon_indent_keywords = '^\s*\(case\|catch\|class\|enum\|default\|elif\|e " Keywords to deindent on let s:falcon_deindent_keywords = '^\s*\(case\|catch\|default\|elif\|else\|end\)' -"====================================== -" FUNCTIONS -"====================================== +" 3. Functions {{{1 +" ============ -" Check if the character at lnum:col is inside a string +" Check if the character at lnum:col is inside a string, comment, or is ascii. function s:IsInStringOrComment(lnum, col) return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom endfunction -"====================================== -" INDENT ROUTINE -"====================================== +" Check if the character at lnum:col is inside a string. +function s:IsInString(lnum, col) + return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_string +endfunction -function FalconGetIndent() - " Get the line to be indented - let cline = getline(v:lnum) +" Check if the character at lnum:col is inside a string delimiter +function s:IsInStringDelimiter(lnum, col) + return synIDattr(synID(a:lnum, a:col, 1), 'name') == 'falconStringDelimiter' +endfunction - " Don't reindent comments on first column - if cline =~ '^\/\/' - return 0 - endif +" Find line above 'lnum' that isn't empty, in a comment, or in a string. +function s:PrevNonBlankNonString(lnum) + let in_block = 0 + let lnum = prevnonblank(a:lnum) + while lnum > 0 + " Go in and out of blocks comments as necessary. + " If the line isn't empty (with opt. comment) or in a string, end search. + let line = getline(lnum) + if line =~ '^=begin' + if in_block + let in_block = 0 + else + break + endif + elseif !in_block && line =~ '^=end' + let in_block = 1 + elseif !in_block && line !~ '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1) + \ && s:IsInStringOrComment(lnum, strlen(line))) + break + endif + let lnum = prevnonblank(lnum - 1) + endwhile + return lnum +endfunction + +" Find line above 'lnum' that started the continuation 'lnum' may be part of. +function s:GetMSL(lnum) + " Start on the line we're at and use its indent. + let msl = a:lnum + let msl_body = getline(msl) + let lnum = s:PrevNonBlankNonString(a:lnum - 1) + while lnum > 0 + " If we have a continuation line, or we're in a string, use line as MSL. + " Otherwise, terminate search as we have found our MSL already. + let line = getline(lnum) + + if s:Match(line, s:non_bracket_continuation_regex) && + \ s:Match(msl, s:non_bracket_continuation_regex) + " If the current line is a non-bracket continuation and so is the + " previous one, keep its indent and continue looking for an MSL. + " + " Example: + " method_call one, + " two, + " three + " + let msl = lnum + elseif s:Match(lnum, s:non_bracket_continuation_regex) && + \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) + " If the current line is a bracket continuation or a block-starter, but + " the previous is a non-bracket one, respect the previous' indentation, + " and stop here. + " + " Example: + " method_call one, + " two { + " three + " + return lnum + elseif s:Match(lnum, s:bracket_continuation_regex) && + \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) + " If both lines are bracket continuations (the current may also be a + " block-starter), use the current one's and stop here + " + " Example: + " method_call( + " other_method_call( + " foo + return msl + elseif s:Match(lnum, s:block_regex) && + \ !s:Match(msl, s:continuation_regex) && + \ !s:Match(msl, s:block_continuation_regex) + " If the previous line is a block-starter and the current one is + " mostly ordinary, use the current one as the MSL. + " + " Example: + " method_call do + " something + " something_else + return msl + else + let col = match(line, s:continuation_regex) + 1 + if (col > 0 && !s:IsInStringOrComment(lnum, col)) + \ || s:IsInString(lnum, strlen(line)) + let msl = lnum + else + break + endif + endif + + let msl_body = getline(msl) + let lnum = s:PrevNonBlankNonString(lnum - 1) + endwhile + return msl +endfunction + +" Check if line 'lnum' has more opening brackets than closing ones. +function s:ExtraBrackets(lnum) + let opening = {'parentheses': [], 'braces': [], 'brackets': []} + let closing = {'parentheses': [], 'braces': [], 'brackets': []} + + let line = getline(a:lnum) + let pos = match(line, '[][(){}]', 0) + + " Save any encountered opening brackets, and remove them once a matching + " closing one has been found. If a closing bracket shows up that doesn't + " close anything, save it for later. + while pos != -1 + if !s:IsInStringOrComment(a:lnum, pos + 1) + if line[pos] == '(' + call add(opening.parentheses, {'type': '(', 'pos': pos}) + elseif line[pos] == ')' + if empty(opening.parentheses) + call add(closing.parentheses, {'type': ')', 'pos': pos}) + else + let opening.parentheses = opening.parentheses[0:-2] + endif + elseif line[pos] == '{' + call add(opening.braces, {'type': '{', 'pos': pos}) + elseif line[pos] == '}' + if empty(opening.braces) + call add(closing.braces, {'type': '}', 'pos': pos}) + else + let opening.braces = opening.braces[0:-2] + endif + elseif line[pos] == '[' + call add(opening.brackets, {'type': '[', 'pos': pos}) + elseif line[pos] == ']' + if empty(opening.brackets) + call add(closing.brackets, {'type': ']', 'pos': pos}) + else + let opening.brackets = opening.brackets[0:-2] + endif + endif + endif + + let pos = match(line, '[][(){}]', pos + 1) + endwhile + + " Find the rightmost brackets, since they're the ones that are important in + " both opening and closing cases + let rightmost_opening = {'type': '(', 'pos': -1} + let rightmost_closing = {'type': ')', 'pos': -1} + + for opening in opening.parentheses + opening.braces + opening.brackets + if opening.pos > rightmost_opening.pos + let rightmost_opening = opening + endif + endfor + + for closing in closing.parentheses + closing.braces + closing.brackets + if closing.pos > rightmost_closing.pos + let rightmost_closing = closing + endif + endfor + + return [rightmost_opening, rightmost_closing] +endfunction + +function s:Match(lnum, regex) + let col = match(getline(a:lnum), '\C'.a:regex) + 1 + return col > 0 && !s:IsInStringOrComment(a:lnum, col) ? col : 0 +endfunction - " Find the previous non-blank line - let lnum = prevnonblank(v:lnum - 1) +function s:MatchLast(lnum, regex) + let line = getline(a:lnum) + let col = match(line, '.*\zs' . a:regex) + while col != -1 && s:IsInStringOrComment(a:lnum, col) + let line = strpart(line, 0, col) + let col = match(line, '.*' . a:regex) + endwhile + return col + 1 +endfunction + +" 4. FalconGetIndent Routine {{{1 +" ============ + +function FalconGetIndent(...) + " For the current line, use the first argument if given, else v:lnum + let clnum = a:0 ? a:1 : v:lnum " Use zero indent at the top of the file - if lnum == 0 + if clnum == 0 return 0 endif - let prevline=getline(lnum) - let ind = indent(lnum) - let chg = 0 + let line = getline(clnum) + let ind = -1 + + " If we got a closing bracket on an empty line, find its match and indent + " according to it. For parentheses we indent to its column - 1, for the + " others we indent to the containing line's MSL's level. Return -1 if fail. + let col = matchend(line, '^\s*[]})]') + if col > 0 && !s:IsInStringOrComment(clnum, col) + call cursor(clnum, col) + let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2) + if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0 + if line[col-1]==')' && col('.') != col('$') - 1 + let ind = virtcol('.') - 1 + else + let ind = indent(s:GetMSL(line('.'))) + endif + endif + return ind + endif + + " If we have a deindenting keyword, find its match and indent to its level. + " TODO: this is messy + if s:Match(clnum, s:falcon_deindent_keywords) + call cursor(clnum, 1) + if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', + \ s:end_skip_expr) > 0 + let msl = s:GetMSL(line('.')) + let line = getline(line('.')) + + if strpart(line, 0, col('.') - 1) =~ '=\s*$' && + \ strpart(line, col('.') - 1, 2) !~ 'do' + let ind = virtcol('.') - 1 + elseif getline(msl) =~ '=\s*\(#.*\)\=$' + let ind = indent(line('.')) + else + let ind = indent(msl) + endif + endif + return ind + endif + + " If we are in a multi-line string or line-comment, don't do anything to it. + if s:IsInString(clnum, matchend(line, '^\s*') + 1) + return indent('.') + endif + + " Find a non-blank, non-multi-line string line above the current line. + let lnum = s:PrevNonBlankNonString(clnum - 1) - " If we are in a multi-line string or line-comment, don't do anything - if s:IsInStringOrComment(v:lnum, matchend(cline, '^\s*') + 1 ) - return indent('.') + " If the line is empty and inside a string, use the previous line. + if line =~ '^\s*$' && lnum != prevnonblank(clnum - 1) + return indent(prevnonblank(clnum)) endif - " If the start of the line equals a double quote, then indent to the - " previous lines first double quote - if cline =~? '^\s*"' - let chg = chg + &sw + " At the start of the file use zero indent. + if lnum == 0 + return 0 endif - " If previous line started with a double quote and this one - " doesn't, unindent - if prevline =~? '^\s*"' && cline =~? '^\s*' - let chg = chg - &sw + " Set up variables for the previous line. + let line = getline(lnum) + let ind = indent(lnum) + + " If the previous line ended with a block opening, add a level of indent. + if s:Match(lnum, s:block_regex) + return indent(s:GetMSL(lnum)) + &sw endif - " Indent if proper keyword - if prevline =~? s:falcon_indent_keywords - let chg = &sw - " If previous line opened a parenthesis, and did not close it, indent - elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' - " Make sure this isn't just a function split between two lines - if prevline =~ ',\s*$' - return indent(prevnonblank(v:lnum - 1)) + &sw - else - return match(prevline, '(.*\((.*)\|[^)]\)*.*$') + 1 - endif - elseif prevline =~ '^[^(]*)\s*$' - " This line closes a parenthesis. Finds opening. - let curr_line = prevnonblank(lnum - 1) - while curr_line >= 0 - let str = getline(curr_line) - if str !~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' - let curr_line = prevnonblank(curr_line - 1) - else - break - endif - endwhile - if curr_line < 0 - return -1 - endif - let ind = indent(curr_line) + " If it contained hanging closing brackets, find the rightmost one, find its + " match and indent according to that. + if line =~ '[[({]' || line =~ '[])}]\s*\%(#.*\)\=$' + let [opening, closing] = s:ExtraBrackets(lnum) + + if opening.pos != -1 + if opening.type == '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0 + if col('.') + 1 == col('$') + return ind + &sw + else + return virtcol('.') + endif + else + let nonspace = matchend(line, '\S', opening.pos + 1) - 1 + return nonspace > 0 ? nonspace : ind + &sw + endif + elseif closing.pos != -1 + call cursor(lnum, closing.pos + 1) + normal! % + + if s:Match(line('.'), s:falcon_indent_keywords) + return indent('.') + &sw + else + return indent('.') + endif + else + call cursor(clnum, vcol) + end endif - " If previous line ends in a semi-colon reset indent to previous - " lines setting - if prevline =~? ';\s*$' && prevnonblank(prevline) =~? ',\s*$' - let chg = chg - (2 * &sw) + " If the previous line ended with an "end", match that "end"s beginning's + " indent. + let col = s:Match(lnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$') + if col > 0 + call cursor(lnum, col) + if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW', + \ s:end_skip_expr) > 0 + let n = line('.') + let ind = indent('.') + let msl = s:GetMSL(n) + if msl != n + let ind = indent(msl) + end + return ind + endif + end + + let col = s:Match(lnum, s:falcon_indent_keywords) + if col > 0 + call cursor(lnum, col) + let ind = virtcol('.') - 1 + &sw + " TODO: make this better (we need to count them) (or, if a searchpair + " fails, we know that something is lacking an end and thus we indent a + " level + if s:Match(lnum, s:end_end_regex) + let ind = indent('.') + endif + return ind endif - " If previous line ended in a comma, indent again - if prevline =~? ',\s*$' - let chg = chg + &sw + " Set up variables to use and search for MSL to the previous line. + let p_lnum = lnum + let lnum = s:GetMSL(lnum) + + " If the previous line wasn't a MSL and is continuation return its indent. + " TODO: the || s:IsInString() thing worries me a bit. + if p_lnum != lnum + if s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line)) + return ind + endif endif - " If previous line ended in a =>, indent again - if prevline =~? '=>\s*$' - let chg = chg + &sw + " Set up more variables, now that we know we wasn't continuation bound. + let line = getline(lnum) + let msl_ind = indent(lnum) + + " If the MSL line had an indenting keyword in it, add a level of indent. + " TODO: this does not take into account contrived things such as + " module Foo; class Bar; end + if s:Match(lnum, s:falcon_indent_keywords) + let ind = msl_ind + &sw + if s:Match(lnum, s:end_end_regex) + let ind = ind - &sw + endif + return ind endif - " Deindent on proper keywords - if cline =~? s:falcon_deindent_keywords - let chg = chg - &sw + " If the previous line ended with [*+/.,-=], but wasn't a block ending or a + " closing bracket, indent one extra level. + if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*\([\])}]\|end\)') + if lnum == p_lnum + let ind = msl_ind + &sw + else + let ind = msl_ind + endif + return ind endif - return ind + chg + return ind endfunction +" }}}1 + let &cpo = s:cpo_save unlet s:cpo_save diff --git a/runtime/indent/html.vim b/runtime/indent/html.vim index 6f016ad16..d9a3d4f51 100644 --- a/runtime/indent/html.vim +++ b/runtime/indent/html.vim @@ -1,242 +1,492 @@ -" Description: html indenter -" Author: Johannes Zellner <johannes@zellner.org> -" Last Change: Mo, 05 Jun 2006 22:32:41 CEST -" Restoring 'cpo' and 'ic' added by Bram 2006 May 5 -" Globals: g:html_indent_tags -- indenting tags -" g:html_indent_strict -- inhibit 'O O' elements -" g:html_indent_strict_table -- inhibit 'O -' elements - -" Only load this indent file when no other was loaded. +" Vim indent script for HTML +" General: "{{{ +" File: html.vim (Vimscript #2075) +" Author: Andy Wokula <anwoku@yahoo.de> +" Last Change: 2013 Jun 12 +" Rev Days: 9 +" Version: 0.8 +" Vim Version: Vim7 +" Description: +" Improved version of the distributed html indent script, faster on a +" range of lines. +" +" Credits: +" indent/html.vim (2006 Jun 05) from J. Zellner +" indent/css.vim (2006 Dec 20) from N. Weibull +" +" History: +" 2011 Sep 09 added HTML5 tags (thx to J. Zuckerman) +" }}} + +" Init Folklore, check user settings (2nd time ++) "{{{ if exists("b:did_indent") finish endif let b:did_indent = 1 +setlocal indentexpr=HtmlIndent() +setlocal indentkeys=o,O,<Return>,<>>,{,},!^F -" [-- local settings (must come before aborting the script) --] -setlocal indentexpr=HtmlIndentGet(v:lnum) -setlocal indentkeys=o,O,*<Return>,<>>,{,} - +let b:indent = {"lnum": -1} +let b:undo_indent = "set inde< indk<| unlet b:indent" -if exists('g:html_indent_tags') - unlet g:html_indent_tags +" Load Once: +if exists("*HtmlIndent") + call HtmlIndent_CheckUserSettings() + finish endif -" [-- helper function to assemble tag list --] -fun! <SID>HtmlIndentPush(tag) - if exists('g:html_indent_tags') - let g:html_indent_tags = g:html_indent_tags.'\|'.a:tag +let s:cpo_save = &cpo +set cpo-=C +"}}} + +func! HtmlIndent_CheckUserSettings() "{{{ + if exists("g:html_indent_inctags") + call s:AddITags(split(g:html_indent_inctags, ",")) + endif + if exists("g:html_indent_autotags") + call s:RemoveITags(split(g:html_indent_autotags, ",")) + endif + + let indone = {"zero": 0 + \,"auto": "indent(prevnonblank(v:lnum-1))" + \,"inc": "b:indent.blocktagind + &shiftwidth"} + if exists("g:html_indent_script1") + let s:js1indent = get(indone, g:html_indent_script1, indone.zero) + endif + if exists("g:html_indent_style1") + let s:css1indent = get(indone, g:html_indent_style1, indone.zero) + endif +endfunc "}}} + +" Init Script Vars "{{{ +let s:usestate = 1 +let s:css1indent = 0 +let s:js1indent = 0 +" not to be changed: +let s:endtags = [0,0,0,0,0,0,0,0] " some places unused +let s:newstate = {} +let s:countonly = 0 + "}}} +func! s:AddITags(taglist) "{{{ + for itag in a:taglist + let s:indent_tags[itag] = 1 + let s:indent_tags['/'.itag] = -1 + endfor +endfunc "}}} +func! s:AddBlockTag(tag, id, ...) "{{{ + if !(a:id >= 2 && a:id < 2+len(s:endtags)) + return + endif + let s:indent_tags[a:tag] = a:id + if a:0 == 0 + let s:indent_tags['/'.a:tag] = -a:id + let s:endtags[a:id-2] = "</".a:tag.">" else - let g:html_indent_tags = a:tag - endif -endfun - - -" [-- <ELEMENT ? - - ...> --] -call <SID>HtmlIndentPush('a') -call <SID>HtmlIndentPush('abbr') -call <SID>HtmlIndentPush('acronym') -call <SID>HtmlIndentPush('address') -call <SID>HtmlIndentPush('b') -call <SID>HtmlIndentPush('bdo') -call <SID>HtmlIndentPush('big') -call <SID>HtmlIndentPush('blockquote') -call <SID>HtmlIndentPush('button') -call <SID>HtmlIndentPush('caption') -call <SID>HtmlIndentPush('center') -call <SID>HtmlIndentPush('cite') -call <SID>HtmlIndentPush('code') -call <SID>HtmlIndentPush('colgroup') -call <SID>HtmlIndentPush('del') -call <SID>HtmlIndentPush('dfn') -call <SID>HtmlIndentPush('dir') -call <SID>HtmlIndentPush('div') -call <SID>HtmlIndentPush('dl') -call <SID>HtmlIndentPush('em') -call <SID>HtmlIndentPush('fieldset') -call <SID>HtmlIndentPush('font') -call <SID>HtmlIndentPush('form') -call <SID>HtmlIndentPush('frameset') -call <SID>HtmlIndentPush('h1') -call <SID>HtmlIndentPush('h2') -call <SID>HtmlIndentPush('h3') -call <SID>HtmlIndentPush('h4') -call <SID>HtmlIndentPush('h5') -call <SID>HtmlIndentPush('h6') -call <SID>HtmlIndentPush('i') -call <SID>HtmlIndentPush('iframe') -call <SID>HtmlIndentPush('ins') -call <SID>HtmlIndentPush('kbd') -call <SID>HtmlIndentPush('label') -call <SID>HtmlIndentPush('legend') -call <SID>HtmlIndentPush('map') -call <SID>HtmlIndentPush('menu') -call <SID>HtmlIndentPush('noframes') -call <SID>HtmlIndentPush('noscript') -call <SID>HtmlIndentPush('object') -call <SID>HtmlIndentPush('ol') -call <SID>HtmlIndentPush('optgroup') -" call <SID>HtmlIndentPush('pre') -call <SID>HtmlIndentPush('q') -call <SID>HtmlIndentPush('s') -call <SID>HtmlIndentPush('samp') -call <SID>HtmlIndentPush('script') -call <SID>HtmlIndentPush('select') -call <SID>HtmlIndentPush('small') -call <SID>HtmlIndentPush('span') -call <SID>HtmlIndentPush('strong') -call <SID>HtmlIndentPush('style') -call <SID>HtmlIndentPush('sub') -call <SID>HtmlIndentPush('sup') -call <SID>HtmlIndentPush('table') -call <SID>HtmlIndentPush('textarea') -call <SID>HtmlIndentPush('title') -call <SID>HtmlIndentPush('tt') -call <SID>HtmlIndentPush('u') -call <SID>HtmlIndentPush('ul') -call <SID>HtmlIndentPush('var') - - -" [-- <ELEMENT ? O O ...> --] -if !exists('g:html_indent_strict') - call <SID>HtmlIndentPush('body') - call <SID>HtmlIndentPush('head') - call <SID>HtmlIndentPush('html') - call <SID>HtmlIndentPush('tbody') + let s:indent_tags[a:1] = -a:id + let s:endtags[a:id-2] = a:1 + endif +endfunc "}}} +func! s:RemoveITags(taglist) "{{{ + " remove itags (protect blocktags from being removed) + for itag in a:taglist + if !has_key(s:indent_tags, itag) || s:indent_tags[itag] != 1 + continue + endif + unlet s:indent_tags[itag] + if itag =~ '^\w\+$' + unlet s:indent_tags["/".itag] + endif + endfor +endfunc "}}} +" Add Indent Tags: {{{ +if !exists("s:indent_tags") + let s:indent_tags = {} endif +" old tags: +call s:AddITags(['a', 'abbr', 'acronym', 'address', 'b', 'bdo', 'big', + \ 'blockquote', 'button', 'caption', 'center', 'cite', 'code', 'colgroup', + \ 'del', 'dfn', 'dir', 'div', 'dl', 'em', 'fieldset', 'font', 'form', + \ 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'i', 'iframe', 'ins', 'kbd', + \ 'label', 'legend', 'map', 'menu', 'noframes', 'noscript', 'object', 'ol', + \ 'optgroup', 'q', 's', 'samp', 'select', 'small', 'span', 'strong', 'sub', + \ 'sup', 'table', 'textarea', 'title', 'tt', 'u', 'ul', 'var', 'th', 'td', + \ 'tr', 'tfoot', 'thead']) -" [-- <ELEMENT ? O - ...> --] -if !exists('g:html_indent_strict_table') - call <SID>HtmlIndentPush('th') - call <SID>HtmlIndentPush('td') - call <SID>HtmlIndentPush('tr') - call <SID>HtmlIndentPush('tfoot') - call <SID>HtmlIndentPush('thead') -endif +" tags added 2011 Sep 09 (especially HTML5 tags): +call s:AddITags(['area', 'article', 'aside', 'audio', 'bdi', 'canvas', + \ 'command', 'datalist', 'details', 'embed', 'figure', 'footer', + \ 'header', 'group', 'keygen', 'mark', 'math', 'meter', 'nav', 'output', + \ 'progress', 'ruby', 'section', 'svg', 'texture', 'time', 'video', + \ 'wbr', 'text']) -delfun <SID>HtmlIndentPush +"}}} +" Add Block Tags: contain alien content "{{{ +call s:AddBlockTag('pre', 2) +call s:AddBlockTag('script', 3) +call s:AddBlockTag('style', 4) +call s:AddBlockTag('<!--', 5, '-->') +"}}} -let s:cpo_save = &cpo -set cpo-=C +func! s:CountITags(...) "{{{ -" [-- count indent-increasing tags of line a:lnum --] -fun! <SID>HtmlIndentOpen(lnum, pattern) - let s = substitute('x'.getline(a:lnum), - \ '.\{-}\(\(<\)\('.a:pattern.'\)\>\)', "\1", 'g') - let s = substitute(s, "[^\1].*$", '', '') - return strlen(s) -endfun - -" [-- count indent-decreasing tags of line a:lnum --] -fun! <SID>HtmlIndentClose(lnum, pattern) - let s = substitute('x'.getline(a:lnum), - \ '.\{-}\(\(<\)/\('.a:pattern.'\)\>>\)', "\1", 'g') - let s = substitute(s, "[^\1].*$", '', '') - return strlen(s) -endfun - -" [-- count indent-increasing '{' of (java|css) line a:lnum --] -fun! <SID>HtmlIndentOpenAlt(lnum) - return strlen(substitute(getline(a:lnum), '[^{]\+', '', 'g')) -endfun - -" [-- count indent-decreasing '}' of (java|css) line a:lnum --] -fun! <SID>HtmlIndentCloseAlt(lnum) - return strlen(substitute(getline(a:lnum), '[^}]\+', '', 'g')) -endfun - -" [-- return the sum of indents respecting the syntax of a:lnum --] -fun! <SID>HtmlIndentSum(lnum, style) - if a:style == match(getline(a:lnum), '^\s*</') - if a:style == match(getline(a:lnum), '^\s*</\<\('.g:html_indent_tags.'\)\>') - let open = <SID>HtmlIndentOpen(a:lnum, g:html_indent_tags) - let close = <SID>HtmlIndentClose(a:lnum, g:html_indent_tags) - if 0 != open || 0 != close - return open - close - endif + " relative indent steps for current line [unit &sw]: + let s:curind = 0 + " relative indent steps for next line [unit &sw]: + let s:nextrel = 0 + + if a:0==0 + let s:block = s:newstate.block + let tmpline = substitute(s:curline, '<\zs\/\=\w\+\>\|<!--\|-->', '\=s:CheckTag(submatch(0))', 'g') + if s:block == 3 + let s:newstate.scripttype = s:GetScriptType(matchstr(tmpline, '\C.*<SCRIPT\>\zs[^>]*')) endif + let s:newstate.block = s:block + else + let s:block = 0 " assume starting outside of a block + let s:countonly = 1 " don't change state + let tmpline = substitute(s:altline, '<\zs\/\=\w\+\>\|<!--\|-->', '\=s:CheckTag(submatch(0))', 'g') + let s:countonly = 0 endif - if '' != &syntax && - \ synIDattr(synID(a:lnum, 1, 1), 'name') =~ '\(css\|java\).*' && - \ synIDattr(synID(a:lnum, strlen(getline(a:lnum)), 1), 'name') - \ =~ '\(css\|java\).*' - if a:style == match(getline(a:lnum), '^\s*}') - return <SID>HtmlIndentOpenAlt(a:lnum) - <SID>HtmlIndentCloseAlt(a:lnum) +endfunc "}}} +func! s:CheckTag(itag) "{{{ + " "tag" or "/tag" or "<!--" or "-->" + let ind = get(s:indent_tags, a:itag) + if ind == -1 + " closing tag + if s:block != 0 + " ignore itag within a block + return "foo" + endif + if s:nextrel == 0 + let s:curind -= 1 + else + let s:nextrel -= 1 endif + " if s:curind >= 1 + " let s:curind -= 1 + " else + " let s:nextrel -= 1 + " endif + elseif ind == 1 + " opening tag + if s:block != 0 + return "foo" + endif + let s:nextrel += 1 + elseif ind != 0 + " block-tag (opening or closing) + return s:Blocktag(a:itag, ind) + endif + " else ind==0 (other tag found): keep indent + return "foo" " no matter +endfunc "}}} +func! s:Blocktag(blocktag, ind) "{{{ + if a:ind > 0 + " a block starts here + if s:block != 0 + " already in a block (nesting) - ignore + " especially ignore comments after other blocktags + return "foo" + endif + let s:block = a:ind " block type + if s:countonly + return "foo" + endif + let s:newstate.blocklnr = v:lnum + " save allover indent for the endtag + let s:newstate.blocktagind = b:indent.baseindent + (s:nextrel + s:curind) * &shiftwidth + if a:ind == 3 + return "SCRIPT" " all except this must be lowercase + " line is to be checked again for the type attribute + endif + else + let s:block = 0 + " we get here if starting and closing block-tag on same line + endif + return "foo" +endfunc "}}} +func! s:GetScriptType(str) "{{{ + if a:str == "" || a:str =~ "java" + return "javascript" + else + return "" + endif +endfunc "}}} + +func! s:FreshState(lnum) "{{{ + " Look back in the file (lines 1 to a:lnum-1) to calc a state for line + " a:lnum. A state is to know ALL relevant details about the lines + " 1..a:lnum-1, initial calculating (here!) can be slow, but updating is + " fast (incremental). + " State: + " lnum last indented line == prevnonblank(a:lnum - 1) + " block = 0 a:lnum located within special tag: 0:none, 2:<pre>, + " 3:<script>, 4:<style>, 5:<!-- + " baseindent use this indent for line a:lnum as a start - kind of + " autoindent (if block==0) + " scripttype = '' type attribute of a script tag (if block==3) + " blocktagind indent for current opening (get) and closing (set) + " blocktag (if block!=0) + " blocklnr lnum of starting blocktag (if block!=0) + " inattr line {lnum} starts with attributes of a tag + let state = {} + let state.lnum = prevnonblank(a:lnum - 1) + let state.scripttype = "" + let state.blocktagind = -1 + let state.block = 0 + let state.baseindent = 0 + let state.blocklnr = 0 + let state.inattr = 0 + + if state.lnum == 0 + return state endif - return 0 -endfun -fun! HtmlIndentGet(lnum) - " Find a non-empty line above the current line. - let lnum = prevnonblank(a:lnum - 1) + " Heuristic: + " remember startline state.lnum + " look back for <pre, </pre, <script, </script, <style, </style tags + " remember stopline + " if opening tag found, + " assume a:lnum within block + " else + " look back in result range (stopline, startline) for comment + " \ delimiters (<!--, -->) + " if comment opener found, + " assume a:lnum within comment + " else + " assume usual html for a:lnum + " if a:lnum-1 has a closing comment + " look back to get indent of comment opener + " FI - " Hit the start of the file, use zero indent. - if lnum == 0 - return 0 + " look back for blocktag + call cursor(a:lnum, 1) + let [stopline, stopcol] = searchpos('\c<\zs\/\=\%(pre\>\|script\>\|style\>\)', "bW") + " fugly ... why isn't there searchstr() + let tagline = tolower(getline(stopline)) + let blocktag = matchstr(tagline, '\/\=\%(pre\>\|script\>\|style\>\)', stopcol-1) + if stopline > 0 && blocktag[0] != "/" + " opening tag found, assume a:lnum within block + let state.block = s:indent_tags[blocktag] + if state.block == 3 + let state.scripttype = s:GetScriptType(matchstr(tagline, '\>[^>]*', stopcol)) + endif + let state.blocklnr = stopline + " check preceding tags in the line: + let s:altline = tagline[: stopcol-2] + call s:CountITags(1) + let state.blocktagind = indent(stopline) + (s:curind + s:nextrel) * &shiftwidth + return state + elseif stopline == state.lnum + " handle special case: previous line (= state.lnum) contains a + " closing blocktag which is preceded by line-noise; + " blocktag == "/..." + let swendtag = match(tagline, '^\s*</') >= 0 + if !swendtag + let [bline, bcol] = searchpos('<'.blocktag[1:].'\>', "bW") + let s:altline = tolower(getline(bline)[: bcol-2]) + call s:CountITags(1) + let state.baseindent = indent(bline) + (s:nextrel+s:curline) * &shiftwidth + return state + endif endif - let restore_ic = &ic - setlocal ic " ignore case + " else look back for comment + call cursor(a:lnum, 1) + let [comline, comcol, found] = searchpos('\(<!--\)\|-->', 'bpW', stopline) + if found == 2 + " comment opener found, assume a:lnum within comment + let state.block = 5 + let state.blocklnr = comline + " check preceding tags in the line: + let s:altline = tolower(getline(comline)[: comcol-2]) + call s:CountITags(1) + let state.blocktagind = indent(comline) + (s:curind + s:nextrel) * &shiftwidth + return state + endif - " [-- special handling for <pre>: no indenting --] - if getline(a:lnum) =~ '\c</pre>' - \ || 0 < searchpair('\c<pre>', '', '\c</pre>', 'nWb') - \ || 0 < searchpair('\c<pre>', '', '\c</pre>', 'nW') - " we're in a line with </pre> or inside <pre> ... </pre> - if restore_ic == 0 - setlocal noic + " else within usual html + let s:altline = tolower(getline(state.lnum)) + " check a:lnum-1 for closing comment (we need indent from the opening line) + let comcol = stridx(s:altline, '-->') + if comcol >= 0 + call cursor(state.lnum, comcol+1) + let [comline, comcol] = searchpos('<!--', 'bW') + if comline == state.lnum + let s:altline = s:altline[: comcol-2] + else + let s:altline = tolower(getline(comline)[: comcol-2]) endif + call s:CountITags(1) + let state.baseindent = indent(comline) + (s:nextrel+s:curline) * &shiftwidth + return state + " TODO check tags that follow "-->" + endif + + " else no comments + call s:CountITags(1) + let state.baseindent = indent(state.lnum) + s:nextrel * &shiftwidth + " line starts with end tag + let swendtag = match(s:altline, '^\s*</') >= 0 + if !swendtag + let state.baseindent += s:curind * &shiftwidth + endif + return state +endfunc "}}} + +func! s:Alien2() "{{{ + " <pre> block + return -1 +endfunc "}}} +func! s:Alien3() "{{{ + " <script> javascript + if prevnonblank(v:lnum-1) == b:indent.blocklnr + " indent for the first line after <script> + return eval(s:js1indent) + endif + if b:indent.scripttype == "javascript" + return cindent(v:lnum) + else return -1 endif +endfunc "}}} +func! s:Alien4() "{{{ + " <style> + if prevnonblank(v:lnum-1) == b:indent.blocklnr + " indent for first content line + return eval(s:css1indent) + endif + return s:CSSIndent() +endfunc - " [-- special handling for <javascript>: use cindent --] - let js = '<script.*type\s*=\s*.*java' - - """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" - " by Tye Zdrojewski <zdro@yahoo.com>, 05 Jun 2006 - " ZDR: This needs to be an AND (we are 'after the start of the pair' AND - " we are 'before the end of the pair'). Otherwise, indentation - " before the start of the script block will be affected; the end of - " the pair will still match if we are before the beginning of the - " pair. - " - if 0 < searchpair(js, '', '</script>', 'nWb') - \ && 0 < searchpair(js, '', '</script>', 'nW') - " we're inside javascript - if getline(lnum) !~ js && getline(a:lnum) != '</script>' - if restore_ic == 0 - setlocal noic +func! s:CSSIndent() "{{{ + " adopted $VIMRUNTIME/indent/css.vim + if getline(v:lnum) =~ '^\s*[*}]' + return cindent(v:lnum) + endif + let minline = b:indent.blocklnr + let pnum = s:css_prevnoncomment(v:lnum - 1, minline) + if pnum <= minline + " < is to catch errors + " indent for first content line after comments + return eval(s:css1indent) + endif + let ind = indent(pnum) + s:css_countbraces(pnum, 1) * &sw + let pline = getline(pnum) + if pline =~ '}\s*$' + let ind -= (s:css_countbraces(pnum, 0) - (pline =~ '^\s*}')) * &sw + endif + return ind +endfunc "}}} +func! s:css_prevnoncomment(lnum, stopline) "{{{ + " caller starts from a line a:lnum-1 that is not a comment + let lnum = prevnonblank(a:lnum) + let ccol = match(getline(lnum), '\*/') + if ccol < 0 + return lnum + endif + call cursor(lnum, ccol+1) + let lnum = search('/\*', 'bW', a:stopline) + if indent(".") == virtcol(".")-1 + return prevnonblank(lnum-1) + else + return lnum + endif +endfunc "}}} +func! s:css_countbraces(lnum, count_open) "{{{ + let brs = substitute(getline(a:lnum),'[''"].\{-}[''"]\|/\*.\{-}\*/\|/\*.*$\|[^{}]','','g') + let n_open = 0 + let n_close = 0 + for brace in split(brs, '\zs') + if brace == "{" + let n_open += 1 + elseif brace == "}" + if n_open > 0 + let n_open -= 1 + else + let n_close += 1 endif - return cindent(a:lnum) endif + endfor + return a:count_open ? n_open : n_close +endfunc "}}} + +"}}} +func! s:Alien5() "{{{ + " <!-- --> + return -1 +endfunc "}}} + +func! HtmlIndent() "{{{ + let s:curline = tolower(getline(v:lnum)) + + let s:newstate = {} + let s:newstate.lnum = v:lnum + + " is the first non-blank in the line the start of a tag? + let swendtag = match(s:curline, '^\s*</') >= 0 + + if prevnonblank(v:lnum-1) == b:indent.lnum && s:usestate + " use state (continue from previous line) + else + " start over (know nothing) + let b:indent = s:FreshState(v:lnum) endif - if getline(lnum) =~ '\c</pre>' - " line before the current line a:lnum contains - " a closing </pre>. --> search for line before - " starting <pre> to restore the indent. - let preline = prevnonblank(search('\c<pre>', 'bW') - 1) - if preline > 0 - if restore_ic == 0 - setlocal noic + if b:indent.block >= 2 + " within block + let endtag = s:endtags[b:indent.block-2] + let blockend = stridx(s:curline, endtag) + if blockend >= 0 + " block ends here + let s:newstate.block = 0 + " calc indent for REST OF LINE (may start more blocks): + let s:curline = strpart(s:curline, blockend+strlen(endtag)) + call s:CountITags() + if swendtag && b:indent.block != 5 + let indent = b:indent.blocktagind + s:curind * &shiftwidth + let s:newstate.baseindent = indent + s:nextrel * &shiftwidth + else + let indent = s:Alien{b:indent.block}() + let s:newstate.baseindent = b:indent.blocktagind + s:nextrel * &shiftwidth endif - return indent(preline) + call extend(b:indent, s:newstate, "force") + return indent + else + " block continues + " indent this line with alien method + let indent = s:Alien{b:indent.block}() + call extend(b:indent, s:newstate, "force") + return indent endif + else + " not within a block - within usual html + " if < 2 then always 0 + let s:newstate.block = b:indent.block + call s:CountITags() + if swendtag + let indent = b:indent.baseindent + s:curind * &shiftwidth + let s:newstate.baseindent = indent + s:nextrel * &shiftwidth + else + let indent = b:indent.baseindent + let s:newstate.baseindent = indent + (s:curind + s:nextrel) * &shiftwidth + endif + call extend(b:indent, s:newstate, "force") + return indent endif - let ind = <SID>HtmlIndentSum(lnum, -1) - let ind = ind + <SID>HtmlIndentSum(a:lnum, 0) +endfunc "}}} - if restore_ic == 0 - setlocal noic - endif +" check user settings (first time), clear cpo, Modeline: {{{1 + +" DEBUG: +com! -nargs=* IndHtmlLocal <args> - return indent(lnum) + (&sw * ind) -endfun +call HtmlIndent_CheckUserSettings() let &cpo = s:cpo_save unlet s:cpo_save -" [-- EOF <runtime>/indent/html.vim --] +" vim:set fdm=marker ts=8: diff --git a/runtime/indent/ruby.vim b/runtime/indent/ruby.vim index 04d130104..095b3a43c 100644 --- a/runtime/indent/ruby.vim +++ b/runtime/indent/ruby.vim @@ -1,9 +1,7 @@ " Vim indent file " Language: Ruby " Maintainer: Nikolai Weibull <now at bitwi.se> -" Last Change: 2009 Dec 17 -" URL: http://vim-ruby.rubyforge.org -" Anon CVS: See above site +" URL: https://github.com/vim-ruby/vim-ruby " Release Coordinator: Doug Kearns <dougkearns@gmail.com> " 0. Initialization {{{1 @@ -18,9 +16,9 @@ let b:did_indent = 1 setlocal nosmartindent " Now, set up our indentation expression and keys that trigger it. -setlocal indentexpr=GetRubyIndent() +setlocal indentexpr=GetRubyIndent(v:lnum) setlocal indentkeys=0{,0},0),0],!^F,o,O,e -setlocal indentkeys+==end,=elsif,=when,=ensure,=rescue,==begin,==end +setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end " Only define the function once. if exists("*GetRubyIndent") @@ -33,8 +31,9 @@ set cpo&vim " 1. Variables {{{1 " ============ -" Regex of syntax group names that are or delimit string or are comments. -let s:syng_strcom = '\<ruby\%(String\|StringEscape\|ASCIICode' . +" Regex of syntax group names that are or delimit strings/symbols or are comments. +let s:syng_strcom = '\<ruby\%(Regexp\|RegexpDelimiter\|RegexpEscape' . + \ '\|Symbol\|String\|StringDelimiter\|StringEscape\|ASCIICode' . \ '\|Interpolation\|NoInterpolation\|Comment\|Documentation\)\>' " Regex of syntax group names that are strings. @@ -43,7 +42,7 @@ let s:syng_string = " Regex of syntax group names that are strings or documentation. let s:syng_stringdoc = - \'\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>' + \'\<ruby\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>' " Expression used to check whether we should skip a match with searchpair(). let s:skip_expr = @@ -52,45 +51,60 @@ let s:skip_expr = " Regex used for words that, at the start of a line, add a level of indent. let s:ruby_indent_keywords = '^\s*\zs\<\%(module\|class\|def\|if\|for' . \ '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure' . - \ '\|rescue\)\>' . - \ '\|\%([*+/,=-]\|<<\|>>\|:\s\)\s*\zs' . - \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\)\>' + \ '\|rescue\):\@!\>' . + \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' . + \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' " Regex used for words that, at the start of a line, remove a level of indent. let s:ruby_deindent_keywords = - \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\)\>' + \ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\):\@!\>' " Regex that defines the start-match for the 'end' keyword. "let s:end_start_regex = '\%(^\|[^.]\)\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\|do\)\>' " TODO: the do here should be restricted somewhat (only at end of line)? -let s:end_start_regex = '^\s*\zs\<\%(module\|class\|def\|if\|for' . - \ '\|while\|until\|case\|unless\|begin\)\>' . - \ '\|\%([*+/,=-]\|<<\|>>\|:\s\)\s*\zs' . - \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\)\>' . - \ '\|\<do\>' +let s:end_start_regex = + \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' . + \ '\<\%(module\|class\|def\|if\|for\|while\|until\|case\|unless\|begin\):\@!\>' . + \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>' " Regex that defines the middle-match for the 'end' keyword. -let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue\>\|when\|elsif\)\>' +let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>' " Regex that defines the end-match for the 'end' keyword. -let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end\>' +let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>' " Expression used for searchpair() call for finding match for 'end' keyword. let s:end_skip_expr = s:skip_expr . \ ' || (expand("<cword>") == "do"' . - \ ' && getline(".") =~ "^\\s*\\<\\(while\\|until\\|for\\)\\>")' + \ ' && getline(".") =~ "^\\s*\\<\\(while\\|until\\|for\\):\\@!\\>")' " Regex that defines continuation lines, not including (, {, or [. -let s:continuation_regex = '\%([\\*+/.,:]\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' +let s:non_bracket_continuation_regex = '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' " Regex that defines continuation lines. " TODO: this needs to deal with if ...: and so on -let s:continuation_regex2 = - \ '\%([\\*+/.,:({[]\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' +let s:continuation_regex = + \ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$' + +" Regex that defines bracket continuations +let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$' + +" Regex that defines the first part of a splat pattern +let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$' " Regex that defines blocks. +" +" Note that there's a slight problem with this regex and s:continuation_regex. +" Code like this will be matched by both: +" +" method_call do |(a, b)| +" +" The reason is that the pipe matches a hanging "|" operator. +" let s:block_regex = - \ '\%(\<do\>\|{\)\s*\%(|\%([*@]\=\h\w*,\=\s*\)\%(,\s*[*@]\=\h\w*\)*|\)\=\s*\%(#.*\)\=$' + \ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|\s*(*\s*\%([*@&]\=\h\w*,\=\s*\)\%(,\s*(*\s*[*@&]\=\h\w*\s*)*\s*\)*|\)\=\s*\%(#.*\)\=$' + +let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex " 2. Auxiliary Functions {{{1 " ====================== @@ -110,6 +124,11 @@ function s:IsInStringOrDocumentation(lnum, col) return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_stringdoc endfunction +" Check if the character at lnum:col is inside a string delimiter +function s:IsInStringDelimiter(lnum, col) + return synIDattr(synID(a:lnum, a:col, 1), 'name') == 'rubyStringDelimiter' +endfunction + " Find line above 'lnum' that isn't empty, in a comment, or in a string. function s:PrevNonBlankNonString(lnum) let in_block = 0 @@ -118,16 +137,16 @@ function s:PrevNonBlankNonString(lnum) " Go in and out of blocks comments as necessary. " If the line isn't empty (with opt. comment) or in a string, end search. let line = getline(lnum) - if line =~ '^=begin$' + if line =~ '^=begin' if in_block - let in_block = 0 + let in_block = 0 else - break + break endif - elseif !in_block && line =~ '^=end$' + elseif !in_block && line =~ '^=end' let in_block = 1 elseif !in_block && line !~ '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1) - \ && s:IsInStringOrComment(lnum, strlen(line))) + \ && s:IsInStringOrComment(lnum, strlen(line))) break endif let lnum = prevnonblank(lnum - 1) @@ -139,42 +158,144 @@ endfunction function s:GetMSL(lnum) " Start on the line we're at and use its indent. let msl = a:lnum + let msl_body = getline(msl) let lnum = s:PrevNonBlankNonString(a:lnum - 1) while lnum > 0 " If we have a continuation line, or we're in a string, use line as MSL. " Otherwise, terminate search as we have found our MSL already. let line = getline(lnum) - let col = match(line, s:continuation_regex2) + 1 - if (col > 0 && !s:IsInStringOrComment(lnum, col)) - \ || s:IsInString(lnum, strlen(line)) + + if s:Match(lnum, s:splat_regex) + " If the above line looks like the "*" of a splat, use the current one's + " indentation. + " + " Example: + " Hash[* + " method_call do + " something + " + return msl + elseif s:Match(line, s:non_bracket_continuation_regex) && + \ s:Match(msl, s:non_bracket_continuation_regex) + " If the current line is a non-bracket continuation and so is the + " previous one, keep its indent and continue looking for an MSL. + " + " Example: + " method_call one, + " two, + " three + " let msl = lnum + elseif s:Match(lnum, s:non_bracket_continuation_regex) && + \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) + " If the current line is a bracket continuation or a block-starter, but + " the previous is a non-bracket one, respect the previous' indentation, + " and stop here. + " + " Example: + " method_call one, + " two { + " three + " + return lnum + elseif s:Match(lnum, s:bracket_continuation_regex) && + \ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex)) + " If both lines are bracket continuations (the current may also be a + " block-starter), use the current one's and stop here + " + " Example: + " method_call( + " other_method_call( + " foo + return msl + elseif s:Match(lnum, s:block_regex) && + \ !s:Match(msl, s:continuation_regex) && + \ !s:Match(msl, s:block_continuation_regex) + " If the previous line is a block-starter and the current one is + " mostly ordinary, use the current one as the MSL. + " + " Example: + " method_call do + " something + " something_else + return msl else - break + let col = match(line, s:continuation_regex) + 1 + if (col > 0 && !s:IsInStringOrComment(lnum, col)) + \ || s:IsInString(lnum, strlen(line)) + let msl = lnum + else + break + endif endif + + let msl_body = getline(msl) let lnum = s:PrevNonBlankNonString(lnum - 1) endwhile return msl endfunction " Check if line 'lnum' has more opening brackets than closing ones. -function s:LineHasOpeningBrackets(lnum) - let open_0 = 0 - let open_2 = 0 - let open_4 = 0 +function s:ExtraBrackets(lnum) + let opening = {'parentheses': [], 'braces': [], 'brackets': []} + let closing = {'parentheses': [], 'braces': [], 'brackets': []} + let line = getline(a:lnum) - let pos = match(line, '[][(){}]', 0) + let pos = match(line, '[][(){}]', 0) + + " Save any encountered opening brackets, and remove them once a matching + " closing one has been found. If a closing bracket shows up that doesn't + " close anything, save it for later. while pos != -1 if !s:IsInStringOrComment(a:lnum, pos + 1) - let idx = stridx('(){}[]', line[pos]) - if idx % 2 == 0 - let open_{idx} = open_{idx} + 1 - else - let open_{idx - 1} = open_{idx - 1} - 1 + if line[pos] == '(' + call add(opening.parentheses, {'type': '(', 'pos': pos}) + elseif line[pos] == ')' + if empty(opening.parentheses) + call add(closing.parentheses, {'type': ')', 'pos': pos}) + else + let opening.parentheses = opening.parentheses[0:-2] + endif + elseif line[pos] == '{' + call add(opening.braces, {'type': '{', 'pos': pos}) + elseif line[pos] == '}' + if empty(opening.braces) + call add(closing.braces, {'type': '}', 'pos': pos}) + else + let opening.braces = opening.braces[0:-2] + endif + elseif line[pos] == '[' + call add(opening.brackets, {'type': '[', 'pos': pos}) + elseif line[pos] == ']' + if empty(opening.brackets) + call add(closing.brackets, {'type': ']', 'pos': pos}) + else + let opening.brackets = opening.brackets[0:-2] + endif endif endif + let pos = match(line, '[][(){}]', pos + 1) endwhile - return (open_0 > 0) . (open_2 > 0) . (open_4 > 0) + + " Find the rightmost brackets, since they're the ones that are important in + " both opening and closing cases + let rightmost_opening = {'type': '(', 'pos': -1} + let rightmost_closing = {'type': ')', 'pos': -1} + + for opening in opening.parentheses + opening.braces + opening.brackets + if opening.pos > rightmost_opening.pos + let rightmost_opening = opening + endif + endfor + + for closing in closing.parentheses + closing.braces + closing.brackets + if closing.pos > rightmost_closing.pos + let rightmost_closing = closing + endif + endfor + + return [rightmost_opening, rightmost_closing] endfunction function s:Match(lnum, regex) @@ -195,32 +316,35 @@ endfunction " 3. GetRubyIndent Function {{{1 " ========================= -function GetRubyIndent() +function GetRubyIndent(...) " 3.1. Setup {{{2 " ---------- - " Set up variables for restoring position in file. Could use v:lnum here. + " For the current line, use the first argument if given, else v:lnum + let clnum = a:0 ? a:1 : v:lnum + + " Set up variables for restoring position in file. Could use clnum here. let vcol = col('.') " 3.2. Work on the current line {{{2 " ----------------------------- " Get the current line. - let line = getline(v:lnum) + let line = getline(clnum) let ind = -1 " If we got a closing bracket on an empty line, find its match and indent " according to it. For parentheses we indent to its column - 1, for the " others we indent to the containing line's MSL's level. Return -1 if fail. let col = matchend(line, '^\s*[]})]') - if col > 0 && !s:IsInStringOrComment(v:lnum, col) - call cursor(v:lnum, col) + if col > 0 && !s:IsInStringOrComment(clnum, col) + call cursor(clnum, col) let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2) if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0 if line[col-1]==')' && col('.') != col('$') - 1 - let ind = virtcol('.')-1 + let ind = virtcol('.') - 1 else - let ind = indent(s:GetMSL(line('.'))) + let ind = indent(s:GetMSL(line('.'))) endif endif return ind @@ -233,35 +357,47 @@ function GetRubyIndent() " If we have a deindenting keyword, find its match and indent to its level. " TODO: this is messy - if s:Match(v:lnum, s:ruby_deindent_keywords) - call cursor(v:lnum, 1) + if s:Match(clnum, s:ruby_deindent_keywords) + call cursor(clnum, 1) if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW', - \ s:end_skip_expr) > 0 - let line = getline('.') + \ s:end_skip_expr) > 0 + let msl = s:GetMSL(line('.')) + let line = getline(line('.')) + if strpart(line, 0, col('.') - 1) =~ '=\s*$' && - \ strpart(line, col('.') - 1, 2) !~ 'do' - let ind = virtcol('.') - 1 + \ strpart(line, col('.') - 1, 2) !~ 'do' + let ind = virtcol('.') - 1 + elseif getline(msl) =~ '=\s*\(#.*\)\=$' + let ind = indent(line('.')) else - let ind = indent('.') + let ind = indent(msl) endif endif return ind endif " If we are in a multi-line string or line-comment, don't do anything to it. - if s:IsInStringOrDocumentation(v:lnum, matchend(line, '^\s*') + 1) + if s:IsInStringOrDocumentation(clnum, matchend(line, '^\s*') + 1) return indent('.') endif + " If we are at the closing delimiter of a "<<" heredoc-style string, set the + " indent to 0. + if line =~ '^\k\+\s*$' + \ && s:IsInStringDelimiter(clnum, 1) + \ && search('\V<<'.line, 'nbW') > 0 + return 0 + endif + " 3.3. Work on the previous line. {{{2 " ------------------------------- " Find a non-blank, non-multi-line string line above the current line. - let lnum = s:PrevNonBlankNonString(v:lnum - 1) + let lnum = s:PrevNonBlankNonString(clnum - 1) " If the line is empty and inside a string, use the previous line. - if line =~ '^\s*$' && lnum != prevnonblank(v:lnum - 1) - return indent(prevnonblank(v:lnum)) + if line =~ '^\s*$' && lnum != prevnonblank(clnum - 1) + return indent(prevnonblank(clnum)) endif " At the start of the file use zero indent. @@ -269,7 +405,7 @@ function GetRubyIndent() return 0 endif - " Set up variables for current line. + " Set up variables for the previous line. let line = getline(lnum) let ind = indent(lnum) @@ -278,20 +414,42 @@ function GetRubyIndent() return indent(s:GetMSL(lnum)) + &sw endif - " If the previous line contained an opening bracket, and we are still in it, - " add indent depending on the bracket type. - if line =~ '[[({]' - let counts = s:LineHasOpeningBrackets(lnum) - if counts[0] == '1' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0 - if col('.') + 1 == col('$') - return ind + &sw + " If the previous line ended with the "*" of a splat, add a level of indent + if line =~ s:splat_regex + return indent(lnum) + &sw + endif + + " If the previous line contained unclosed opening brackets and we are still + " in them, find the rightmost one and add indent depending on the bracket + " type. + " + " If it contained hanging closing brackets, find the rightmost one, find its + " match and indent according to that. + if line =~ '[[({]' || line =~ '[])}]\s*\%(#.*\)\=$' + let [opening, closing] = s:ExtraBrackets(lnum) + + if opening.pos != -1 + if opening.type == '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0 + if col('.') + 1 == col('$') + return ind + &sw + else + return virtcol('.') + endif else - return virtcol('.') + let nonspace = matchend(line, '\S', opening.pos + 1) - 1 + return nonspace > 0 ? nonspace : ind + &sw + endif + elseif closing.pos != -1 + call cursor(lnum, closing.pos + 1) + normal! % + + if s:Match(line('.'), s:ruby_indent_keywords) + return indent('.') + &sw + else + return indent('.') endif - elseif counts[1] == '1' || counts[2] == '1' - return ind + &sw else - call cursor(v:lnum, vcol) + call cursor(clnum, vcol) end endif @@ -301,12 +459,12 @@ function GetRubyIndent() if col > 0 call cursor(lnum, col) if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW', - \ s:end_skip_expr) > 0 + \ s:end_skip_expr) > 0 let n = line('.') let ind = indent('.') let msl = s:GetMSL(n) if msl != n - let ind = indent(msl) + let ind = indent(msl) end return ind endif @@ -316,7 +474,6 @@ function GetRubyIndent() if col > 0 call cursor(lnum, col) let ind = virtcol('.') - 1 + &sw -" let ind = indent(lnum) + &sw " TODO: make this better (we need to count them) (or, if a searchpair " fails, we know that something is lacking an end and thus we indent a " level @@ -336,7 +493,7 @@ function GetRubyIndent() " If the previous line wasn't a MSL and is continuation return its indent. " TODO: the || s:IsInString() thing worries me a bit. if p_lnum != lnum - if s:Match(p_lnum,s:continuation_regex)||s:IsInString(p_lnum,strlen(line)) + if s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line)) return ind endif endif @@ -356,13 +513,15 @@ function GetRubyIndent() return ind endif - " If the previous line ended with [*+/.-=], indent one extra level. - if s:Match(lnum, s:continuation_regex) + " If the previous line ended with [*+/.,-=], but wasn't a block ending or a + " closing bracket, indent one extra level. + if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*\([\])}]\|end\)') if lnum == p_lnum let ind = msl_ind + &sw else let ind = msl_ind endif + return ind endif " }}}2 @@ -375,4 +534,4 @@ endfunction let &cpo = s:cpo_save unlet s:cpo_save -" vim:set sw=2 sts=2 ts=8 noet: +" vim:set sw=2 sts=2 ts=8 et: |