mirror of
				https://github.com/neovim/neovim.git
				synced 2025-11-04 01:34:25 +00:00 
			
		
		
		
	runtime(ruby): Update syntax, indent and ftplugin files
While making changes to the ruby ftplugin, slightly change the exepath()
conditional from patch 9.0.1833 and move it after the :cd invocation.
closes: 12981
closes: 12994
da16a1b471
Co-authored-by: Doug Kearns <dougkearns@gmail.com>
Co-authored-by: Tim Pope <code@tpope.net>
		
	
		
			
				
	
	
		
			607 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
			
		
		
	
	
			607 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			VimL
		
	
	
	
	
	
" Vim syntax file
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" Language:		Ruby
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" Maintainer:		Doug Kearns <dougkearns@gmail.com>
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" URL:			https://github.com/vim-ruby/vim-ruby
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" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
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" Last Change:		2023 Mar 16
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" ----------------------------------------------------------------------------
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"
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" Previous Maintainer:	Mirko Nasato
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" Thanks to perl.vim authors, and to Reimer Behrends. :-) (MN)
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" ----------------------------------------------------------------------------
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" Prelude {{{1
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if exists("b:current_syntax")
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  finish
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endif
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" this file uses line continuations
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let s:cpo_sav = &cpo
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set cpo&vim
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" eRuby Config {{{1
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if exists('main_syntax') && main_syntax == 'eruby'
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  let b:ruby_no_expensive = 1
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endif
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" Folding Config {{{1
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if has("folding") && exists("ruby_fold")
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  setlocal foldmethod=syntax
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endif
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let s:foldable_groups = split(
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      \	  get(
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      \	    b:,
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      \	    'ruby_foldable_groups',
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      \	    get(g:, 'ruby_foldable_groups', 'ALL')
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      \	  )
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      \	)
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function! s:foldable(...) abort
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  if index(s:foldable_groups, 'NONE') > -1
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    return 0
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  endif
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  if index(s:foldable_groups, 'ALL') > -1
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    return 1
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  endif
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  for l:i in a:000
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    if index(s:foldable_groups, l:i) > -1
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      return 1
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    endif
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  endfor
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  return 0
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endfunction
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function! s:run_syntax_fold(args) abort
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  let [_0, _1, groups, cmd; _] = matchlist(a:args, '\(["'']\)\(.\{-}\)\1\s\+\(.*\)')
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  if call('s:foldable', split(groups))
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    let cmd .= ' fold'
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  endif
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  exe cmd
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endfunction
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com! -nargs=* SynFold call s:run_syntax_fold(<q-args>)
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" Not-Top Cluster {{{1
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syn cluster rubyNotTop contains=@rubyCommentNotTop,@rubyStringNotTop,@rubyRegexpSpecial,@rubyDeclaration,@rubyExceptionHandler,@rubyClassOperator,rubyConditional,rubyModuleName,rubyClassName,rubySymbolDelimiter,rubyDoubleQuoteSymbolDelimiter,rubySingleQuoteSymbolDelimiter,rubyParentheses,@Spell
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" Whitespace Errors {{{1
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if exists("ruby_space_errors")
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  if !exists("ruby_no_trail_space_error")
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    syn match rubySpaceError display excludenl "\s\+$"
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  endif
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  if !exists("ruby_no_tab_space_error")
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    syn match rubySpaceError display " \+\t"me=e-1
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  endif
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endif
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" Operators {{{1
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syn match rubyEnglishBooleanOperator "\<\%(and\|or\|not\)\>"
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if exists("ruby_operators") || exists("ruby_pseudo_operators")
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  syn match rubyDotOperator	   "\.\|&\."
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  syn match rubyTernaryOperator    "\%(\w\|[^\x00-\x7F]\)\@1<!?\|:"
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  syn match rubyArithmeticOperator "\*\*\|[*/%+]\|->\@!"
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  syn match rubyComparisonOperator "<=>\|<=\|<\|>=\|[-=]\@1<!>"
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  syn match rubyBitwiseOperator    "[~^|]\|&\.\@!\|<<\|>>"
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  syn match rubyBooleanOperator    "\%(\w\|[^\x00-\x7F]\)\@1<!!\|&&\|||"
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  syn match rubyRangeOperator	   "\.\.\.\="
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  syn match rubyAssignmentOperator "=>\@!\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|||=\||=\|%=\|+=\|>>=\|<<=\|\^="
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  syn match rubyAssignmentOperator "=>\@!" contained containedin=rubyBlockParameterList " TODO: this is inelegant
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  syn match rubyEqualityOperator   "===\|==\|!=\|!\~\|=\~"
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  syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\%(\w\|[^\x00-\x7F]\)[?!]\=\|[]})]\)\@2<=\[" end="]" contains=ALLBUT,@rubyNotTop
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  syn match rubyScopeOperator	    "::"
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  syn match rubySuperClassOperator  "<"	 contained
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  syn match rubyEigenClassOperator  "<<" contained
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  syn match rubyLambdaOperator	    "->"
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  syn match rubySplatOperator	    "\%([[{(|,=]\_s*\)\@<=\*"
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  syn match rubySplatOperator	    "\%(^\|\s\)\@1<=\*\%(\h\|[^\x00-\x7F]\|[:$@[]\)\@="
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  syn match rubyDoubleSplatOperator "\%([{(|,]\_s*\)\@<=\*\*"
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  syn match rubyDoubleSplatOperator "\s\@1<=\*\*\%(\h\|[^\x00-\x7F]\|[:$@{]\)\@="
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  syn match rubyProcOperator	    "\%([[(|,]\_s*\)\@<=&"
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  syn match rubyProcOperator	    "\s\@1<=&\%(\h\|[^\x00-\x7F]\|[:$@]\|->\)\@="
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  syn cluster rubyProperOperator contains=rubyTernaryOperator,rubyArithmeticOperator,rubyComparisonOperator,rubyBitwiseOperator,rubyBooleanOperator,rubyRangeOperator,rubyAssignmentOperator,rubyEqualityOperator,rubyDefinedOperator,rubyEnglishBooleanOperator
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  syn cluster rubyClassOperator  contains=rubyEigenClassOperator,rubySuperClassOperator
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  syn cluster rubyPseudoOperator contains=rubyDotOperator,rubyScopeOperator,rubyEigenClassOperator,rubySuperClassOperator,rubyLambdaOperator,rubySplatOperator,rubyDoubleSplatOperator,rubyProcOperator
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  syn cluster rubyOperator	 contains=ruby.*Operator
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endif
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" String Interpolation and Backslash Notation {{{1
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syn region rubyInterpolation	      matchgroup=rubyInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,@rubyNotTop
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syn match  rubyInterpolation	      "#\$\%(-\w\|[!$&"'*+,./0:;<>?@\`~_]\|\w\+\)" display contained contains=rubyInterpolationDelimiter,@rubyGlobalVariable
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syn match  rubyInterpolation	      "#@@\=\w\+"				   display contained contains=rubyInterpolationDelimiter,rubyInstanceVariable,rubyClassVariable
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syn match  rubyInterpolationDelimiter "#\ze[$@]"				   display contained
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syn match rubyStringEscape "\\\_."											   contained display
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syn match rubyStringEscape "\\\o\{1,3}\|\\x\x\{1,2}"									   contained display
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syn match rubyStringEscape "\\u\%(\x\{4}\|{\x\{1,6}\%(\s\+\x\{1,6}\)*}\)"						   contained display
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syn match rubyStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=.\)" contained display
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syn match rubyBackslashEscape "\\\\" contained display
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syn match rubyQuoteEscape     "\\'"  contained display
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syn match rubySpaceEscape     "\\ "  contained display
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syn match rubyParenthesisEscape	  "\\[()]"  contained display
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syn match rubyCurlyBraceEscape	  "\\[{}]"  contained display
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syn match rubyAngleBracketEscape  "\\[<>]"  contained display
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syn match rubySquareBracketEscape "\\[[\]]" contained display
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syn region rubyNestedParentheses    start="("  skip="\\\\\|\\)"  end=")"	transparent contained
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syn region rubyNestedCurlyBraces    start="{"  skip="\\\\\|\\}"  end="}"	transparent contained
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syn region rubyNestedAngleBrackets  start="<"  skip="\\\\\|\\>"  end=">"	transparent contained
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syn region rubyNestedSquareBrackets start="\[" skip="\\\\\|\\\]" end="\]"	transparent contained
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syn cluster rubySingleCharEscape contains=rubyBackslashEscape,rubyQuoteEscape,rubySpaceEscape,rubyParenthesisEscape,rubyCurlyBraceEscape,rubyAngleBracketEscape,rubySquareBracketEscape
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syn cluster rubyNestedBrackets	 contains=rubyNested.\+
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syn cluster rubyStringSpecial	 contains=rubyInterpolation,rubyStringEscape
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syn cluster rubyStringNotTop	 contains=@rubyStringSpecial,@rubyNestedBrackets,@rubySingleCharEscape
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" Regular Expression Metacharacters {{{1
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syn region rubyRegexpComment	  matchgroup=rubyRegexpSpecial	 start="(?#"								     skip="\\\\\|\\)"  end=")"	contained
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syn region rubyRegexpParens	  matchgroup=rubyRegexpSpecial	 start="(\%(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\\\\|\\)"  end=")"	contained transparent contains=@rubyRegexpSpecial
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syn region rubyRegexpBrackets	  matchgroup=rubyRegexpCharClass start="\[\^\="								     skip="\\\\\|\\\]" end="\]" contained transparent contains=rubyRegexpBrackets,rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass,rubyRegexpIntersection oneline
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syn match  rubyRegexpCharClass	  "\\[DdHhRSsWw]"	 contained display
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syn match  rubyRegexpCharClass	  "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|word\|xdigit\):\]" contained
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syn match  rubyRegexpCharClass	  "\\[pP]{^\=.\{-}}"	 contained display
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syn match  rubyRegexpEscape	  "\\[].*?+^$|\\/(){}[]" contained " see commit e477f10
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syn match  rubyRegexpQuantifier	  "[*?+][?+]\="		 contained display
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syn match  rubyRegexpQuantifier	  "{\d\+\%(,\d*\)\=}?\=" contained display
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syn match  rubyRegexpAnchor	  "[$^]\|\\[ABbGZz]"	 contained display
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syn match  rubyRegexpDot	  "\.\|\\X"		 contained display
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syn match  rubyRegexpIntersection "&&"			 contained display
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syn match  rubyRegexpSpecial	  "\\K"			 contained display
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syn match  rubyRegexpSpecial	  "|"			 contained display
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syn match  rubyRegexpSpecial	  "\\[1-9]\d\=\d\@!"	 contained display
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syn match  rubyRegexpSpecial	  "\\k<\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\=>" contained display
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syn match  rubyRegexpSpecial	  "\\k'\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\='" contained display
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syn match  rubyRegexpSpecial	  "\\g<\%([a-z_]\w*\|-\=\d\+\)>"		contained display
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syn match  rubyRegexpSpecial	  "\\g'\%([a-z_]\w*\|-\=\d\+\)'"		contained display
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syn cluster rubyRegexpSpecial contains=@rubyStringSpecial,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment,rubyRegexpIntersection
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" Numbers {{{1
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syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*r\=i\=\>"							       display
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syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>"					       display
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syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>"							       display
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syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>"						       display
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syn match rubyFloat   "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>"				       display
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syn match rubyFloat   "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)i\=\>" display
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" Identifiers {{{1
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syn match rubyClassName	       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
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syn match rubyModuleName       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
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syn match rubyConstant	       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!"
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syn match rubyClassVariable    "@@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display
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syn match rubyInstanceVariable "@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"  display
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syn match rubyGlobalVariable   "$\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\|-.\)"
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syn match rubySymbolDelimiter  ":" contained
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syn match rubySymbol	       "[]})\"':]\@1<!:\%(\^\|\~@\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" contains=rubySymbolDelimiter
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syn match rubySymbol	       "[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)"			    contains=rubySymbolDelimiter
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syn match rubySymbol	       "[]})\"':]\@1<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"  contains=rubySymbolDelimiter
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syn match rubySymbol	       "[]})\"':]\@1<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" contains=rubySymbolDelimiter
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SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape,rubyBackslashEscape
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SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial
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syn match rubyCapitalizedMethod "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@="
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syn region rubyParentheses	  start="("				 end=")" contains=ALLBUT,@rubyNotTop contained containedin=rubyBlockParameterList
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syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\_s*\)\@32<=|" end="|" contains=ALLBUT,@rubyNotTop,@rubyProperOperator
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if exists('ruby_global_variable_error')
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  syn match rubyGlobalVariableError "$[^A-Za-z_]"	display
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  syn match rubyGlobalVariableError "$-[^0FIKWadilpvw]" display
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endif
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syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<>?@\`~]#
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syn match rubyPredefinedVariable "$\d\+"									    display
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syn match rubyPredefinedVariable "$_\>"										    display
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syn match rubyPredefinedVariable "$-[0FIWadilpvw]\>"								    display
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syn match rubyPredefinedVariable "$\%(stderr\|stdin\|stdout\)\>"						    display
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syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display
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syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(ARGF\|ARGV\|ENV\|DATA\|STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\)\>\%(\s*(\)\@!"
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syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(RUBY_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!"
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" Deprecated/removed in 1.9
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syn match rubyPredefinedVariable "$="
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syn match rubyPredefinedVariable "$-K\>"		  display
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syn match rubyPredefinedVariable "$\%(deferr\|defout\)\>" display
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syn match rubyPredefinedVariable "$KCODE\>"		  display
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" Deprecated/removed in 2.4
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syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(FALSE\|NIL\|TRUE\)\>\%(\s*(\)\@!"
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syn cluster rubyGlobalVariable contains=rubyGlobalVariable,rubyPredefinedVariable,rubyGlobalVariableError
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" Normal Regular Expressions {{{1
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SynFold '/' syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
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SynFold '/' syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\s\+\)\@<=/\%(=\|\_s\)\@!"					   end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
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" Generalized Regular Expressions {{{1
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r{"				   end="}[iomxneus]*"	skip="\\\\\|\\}"   contains=@rubyRegexpSpecial
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r<"				   end=">[iomxneus]*"	skip="\\\\\|\\>"   contains=@rubyRegexpSpecial,rubyNestedAngleBrackets
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\["				   end="\][iomxneus]*"	skip="\\\\\|\\\]"  contains=@rubyRegexpSpecial
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r("				   end=")[iomxneus]*"	skip="\\\\\|\\)"   contains=@rubyRegexpSpecial
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SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z(\s\)"			   end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
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" Characters {{{1
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syn match rubyCharacter "\%(\w\|[^\x00-\x7F]\|[]})\"'/]\)\@1<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\[[:space:]]\|\\\=[^[:space:]]\)\)"
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syn match rubyCharacter "\%(\w\|[^\x00-\x7F]\|[]})\"'/]\)\@1<!?\\u\%(\x\{4}\|{\x\{1,6}}\)"
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" Normal Strings {{{1
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let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : ''
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let s:fold_arg	    = s:foldable('string')		? ' fold'   : ''
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exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\""  contains=@rubyStringSpecial'		       . s:spell_cluster . s:fold_arg
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exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''"  contains=rubyQuoteEscape,rubyBackslashEscape' . s:spell_cluster . s:fold_arg
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unlet s:spell_cluster s:fold_arg
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" Shell Command Output {{{1
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SynFold 'string' syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial
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" Generalized Single Quoted Strings, Symbols, Array of Strings and Array of Symbols {{{1
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" Non-bracket punctuation delimiters {{{2
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let s:names = { '~': 'Tilde', '`': 'BackQuote', '!': 'Bang', '@': 'At', '#': 'Hash', '$': 'Dollar', '%': 'Percent', '^': 'Caret',
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      \		'&': 'Ampersand', '*': 'Asterix', '_': 'Underscore', '-': 'Dash', '+': 'Plus', '=': 'Equals', '|': 'Bar',
 | 
						|
      \		'\': 'Backslash', ':': 'Colon', ';': 'Semicolon', '"': 'DoubleQuote', "'": 'Quote', ',': 'Comma', '.': 'Period',
 | 
						|
      \		'?': 'QuestionMark', '/': 'ForwardSlash' }
 | 
						|
 | 
						|
for s:delimiter in keys(s:names)
 | 
						|
  let s:group = 'ruby' . s:names[s:delimiter] . 'Escape'
 | 
						|
 | 
						|
  if s:delimiter =~ '[\"]'
 | 
						|
    let s:delimiter = '\' . s:delimiter
 | 
						|
  endif
 | 
						|
 | 
						|
  exe 'syn match ' . s:group . ' "\V\\' . s:delimiter . '" contained display'
 | 
						|
  exe 'syn cluster rubySingleCharEscape add=' . s:group
 | 
						|
  exe 'SynFold ''%'' syn region rubyString matchgroup=rubyPercentStringDelimiter start="\V%q' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,'		 . s:group . ' nextgroup=@rubyModifier skipwhite'
 | 
						|
  exe 'SynFold ''%'' syn region rubyString matchgroup=rubyPercentStringDelimiter start="\V%w' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,rubySpaceEscape,' . s:group . ' nextgroup=@rubyModifier skipwhite'
 | 
						|
  exe 'SynFold ''%'' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="\V%s' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,'		 . s:group . ' nextgroup=@rubyModifier skipwhite'
 | 
						|
  exe 'SynFold ''%'' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="\V%i' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,rubySpaceEscape,' . s:group . ' nextgroup=@rubyModifier skipwhite'
 | 
						|
  exe 'hi def link ' . s:group . ' rubyStringEscape'
 | 
						|
endfor
 | 
						|
 | 
						|
unlet s:delimiter s:group s:names
 | 
						|
" }}}2
 | 
						|
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubyCurlyBraceEscape,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubyAngleBracketEscape,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySquareBracketEscape,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubyParenthesisEscape,rubyNestedParentheses
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=rubyBackslashEscape,rubySpaceEscape
 | 
						|
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubySpaceEscape,rubyCurlyBraceEscape,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketEscape,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketEscape,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesisEscape,rubyNestedParentheses
 | 
						|
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubyCurlyBraceEscape,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubyAngleBracketEscape,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySquareBracketEscape,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubyParenthesisEscape,rubyNestedParentheses
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentSymbolDelimiter start="%s\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=rubyBackslashEscape,rubySpaceEscape
 | 
						|
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubySpaceEscape,rubyCurlyBraceEscape,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketEscape,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketEscape,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesisEscape,rubyNestedParentheses
 | 
						|
 | 
						|
" Generalized Double Quoted Strings, Array of Strings, Array of Symbols and Shell Command Output {{{1
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="\%(\%(\w\|[^\x00-\x7F]\|]\)\s*\)\@<!%=" end="="	 skip="\\\\\|\\="   contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)"       end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\={"			       end="}"	 skip="\\\\\|\\}"   contains=@rubyStringSpecial,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=<"			       end=">"	 skip="\\\\\|\\>"   contains=@rubyStringSpecial,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=\["			       end="\]"  skip="\\\\\|\\\]"  contains=@rubyStringSpecial,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=("			       end=")"	 skip="\\\\\|\\)"   contains=@rubyStringSpecial,rubyNestedParentheses
 | 
						|
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[Qx]\z(\s\)"			       end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
 | 
						|
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I{"				   end="}"   skip="\\\\\|\\}"	contains=@rubyStringSpecial,rubyNestedCurlyBraces
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I<"				   end=">"   skip="\\\\\|\\>"	contains=@rubyStringSpecial,rubyNestedAngleBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I\["				   end="\]"  skip="\\\\\|\\\]"	contains=@rubyStringSpecial,rubyNestedSquareBrackets
 | 
						|
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I("				   end=")"   skip="\\\\\|\\)"	contains=@rubyStringSpecial,rubyNestedParentheses
 | 
						|
 | 
						|
" Here Documents {{{1
 | 
						|
syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<[-~]\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+ end=+$+ oneline contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<[-~]\=\zs"\%([^"]*\)"+					   end=+$+ oneline contains=ALLBUT,@rubyNotTop
 | 
						|
syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<[-~]\=\zs'\%([^']*\)'+					   end=+$+ oneline contains=ALLBUT,@rubyNotTop
 | 
						|
syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<[-~]\=\zs`\%([^`]*\)`+					   end=+$+ oneline contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2  matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2				      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2				      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart		     keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"'`]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2				      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart		     keepend
 | 
						|
SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
 | 
						|
 | 
						|
" Module, Class, Method and Alias Declarations {{{1
 | 
						|
syn match rubyAliasDeclaration	"[^[:space:];#.()]\+" contained contains=rubySymbol,@rubyGlobalVariable nextgroup=rubyAliasDeclaration2 skipwhite
 | 
						|
syn match rubyAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=rubySymbol,@rubyGlobalVariable
 | 
						|
syn match rubyMethodDeclaration "[^[:space:];#(]\+"   contained contains=rubyConstant,rubyBoolean,rubyPseudoVariable,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable
 | 
						|
syn match rubyClassDeclaration	"[^[:space:];#<]\+"   contained contains=rubyClassName,rubyScopeOperator nextgroup=rubySuperClassOperator skipwhite
 | 
						|
syn match rubyModuleDeclaration "[^[:space:];#<]\+"   contained contains=rubyModuleName,rubyScopeOperator
 | 
						|
 | 
						|
syn match rubyMethodName "\<\%([_[:alpha:]]\|[^\x00-\x7F]\)\%([_[:alnum:]]\|[^\x00-\x7F]\)*[?!=]\=\%([[:alnum:]_.:?!=]\|[^\x00-\x7F]\)\@!"			      contained containedin=rubyMethodDeclaration
 | 
						|
syn match rubyMethodName "\%(\s\|^\)\@1<=\%([_[:alpha:]]\|[^\x00-\x7F]\)\%([_[:alnum:]]\|[^\x00-\x7F]\)*[?!=]\=\%(\s\|$\)\@="					      contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2
 | 
						|
syn match rubyMethodName "\%([[:space:].]\|^\)\@1<=\%(\[\]=\=\|\*\*\|[-+!~]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration
 | 
						|
 | 
						|
syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyMethodName
 | 
						|
 | 
						|
" Keywords {{{1
 | 
						|
" TODO: reorganise
 | 
						|
syn match rubyControl	     "\%#=1\<\%(break\|in\|next\|redo\|retry\|return\)\>"
 | 
						|
syn match rubyKeyword	     "\%#=1\<\%(super\|yield\)\>"
 | 
						|
syn match rubyBoolean	     "\%#=1\<\%(true\|false\)\>[?!]\@!"
 | 
						|
syn match rubyPseudoVariable "\%#=1\<\%(self\|nil\)\>[?!]\@!"
 | 
						|
syn match rubyPseudoVariable "\%#=1\<__\%(ENCODING\|dir\|FILE\|LINE\|callee\|method\)__\>"
 | 
						|
syn match rubyBeginEnd	     "\%#=1\<\%(BEGIN\|END\)\>"
 | 
						|
 | 
						|
" Expensive Mode {{{1
 | 
						|
" Match 'end' with the appropriate opening keyword for syntax based folding
 | 
						|
" and special highlighting of module/class/method definitions
 | 
						|
if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive")
 | 
						|
  syn match rubyDefine "\<alias\>"  nextgroup=rubyAliasDeclaration			  skipwhite skipnl
 | 
						|
  syn match rubyDefine "\<def\>"    nextgroup=rubyMethodDeclaration			  skipwhite skipnl
 | 
						|
  syn match rubyDefine "\<undef\>"  nextgroup=rubyMethodName				  skipwhite skipnl
 | 
						|
  syn match rubyClass  "\<class\>"  nextgroup=rubyClassDeclaration,rubyEigenClassOperator skipwhite skipnl
 | 
						|
  syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration			  skipwhite skipnl
 | 
						|
 | 
						|
  SynFold 'def'    syn region rubyMethodBlock start="\<def\>"	 matchgroup=rubyDefine skip="\<end:\|\%(\<def\_s\+\)\@<=end\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
  SynFold 'class'  syn region rubyClassBlock  start="\<class\>"  matchgroup=rubyClass  skip="\<end:"			       end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
  SynFold 'module' syn region rubyModuleBlock start="\<module\>" matchgroup=rubyModule skip="\<end:"			       end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  " endless def
 | 
						|
  syn match rubyDefine "\<def\s\+\ze[^[:space:];#(]\+\%(\s\+\|\s*(.*)\s*\)=" nextgroup=rubyMethodDeclaration skipwhite
 | 
						|
 | 
						|
  " modifiers
 | 
						|
  syn match rubyLineContinuation    "\\$" nextgroup=@rubyModifier skipwhite skipnl
 | 
						|
  syn match rubyConditionalModifier "\<\%(if\|unless\)\>"
 | 
						|
  syn match rubyRepeatModifier	    "\<\%(while\|until\)\>"
 | 
						|
  syn match rubyRescueModifier	    "\<rescue\>"
 | 
						|
 | 
						|
  syn cluster rubyModifier contains=rubyConditionalModifier,rubyRepeatModifier,rubyRescueModifier
 | 
						|
 | 
						|
  SynFold 'do' syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" skip="\<end:" end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  " curly bracket block or hash literal
 | 
						|
  SynFold '{' syn region rubyCurlyBlock   matchgroup=rubyCurlyBlockDelimiter start="{"						    end="}" contains=ALLBUT,@rubyNotTop
 | 
						|
  SynFold '[' syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter      start="\%(\%(\w\|[^\x00-\x7F]\)[?!]\=\|[]})]\)\@2<!\[" end="]" contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  " statements without 'do'
 | 
						|
  SynFold 'begin' syn region rubyBlockExpression matchgroup=rubyControl     start="\<begin\>" skip="\<end:" end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
  SynFold 'case'  syn region rubyCaseExpression  matchgroup=rubyConditional start="\<case\>"  skip="\<end:" end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  SynFold 'if' syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\<then\s\|\%(\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" skip="\<end:" end="\<end\>" contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  syn match rubyConditional "\<\%(then\|else\|when\)\>"	 contained containedin=rubyCaseExpression
 | 
						|
  syn match rubyConditional "\<\%(then\|else\|elsif\)\>" contained containedin=rubyConditionalExpression
 | 
						|
 | 
						|
  syn match   rubyExceptionHandler  "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>" contained containedin=rubyBlockExpression,rubyDoBlock
 | 
						|
  syn match   rubyExceptionHandler2 "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>" contained containedin=rubyModuleBlock,rubyClassBlock,rubyMethodBlock
 | 
						|
  syn cluster rubyExceptionHandler  contains=rubyExceptionHandler,rubyExceptionHandler2
 | 
						|
 | 
						|
  " statements with optional 'do'
 | 
						|
  syn region rubyOptionalDoLine matchgroup=rubyRepeat start="\<for\>" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\<do\>" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop
 | 
						|
 | 
						|
  SynFold 'for' syn region rubyRepeatExpression start="\<for\>" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat skip="\<end:" end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine
 | 
						|
 | 
						|
else
 | 
						|
  syn match rubyControl "\<def\>"    nextgroup=rubyMethodDeclaration skipwhite skipnl
 | 
						|
  syn match rubyControl "\<class\>"  nextgroup=rubyClassDeclaration  skipwhite skipnl
 | 
						|
  syn match rubyControl "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl
 | 
						|
  syn match rubyControl "\<\%(case\|begin\|do\|for\|if\|unless\|while\|until\|else\|elsif\|rescue\|ensure\|then\|when\|end\)\>"
 | 
						|
  syn match rubyKeyword "\<\%(alias\|undef\)\>"
 | 
						|
endif
 | 
						|
 | 
						|
if !exists("ruby_minlines")
 | 
						|
  let ruby_minlines = 500
 | 
						|
endif
 | 
						|
exe "syn sync minlines=" . ruby_minlines
 | 
						|
 | 
						|
" Special Methods {{{1
 | 
						|
if !exists("ruby_no_special_methods")
 | 
						|
  syn match rubyAccess	  "\<\%(public\|protected\|private\)\>" " use re=2
 | 
						|
  syn match rubyAccess	  "\%#=1\<\%(public\|private\)_class_method\>"
 | 
						|
  syn match rubyAccess	  "\%#=1\<\%(public\|private\)_constant\>"
 | 
						|
  syn match rubyAccess	  "\%#=1\<module_function\>"
 | 
						|
  syn match rubyAttribute "\%#=1\%(\%(^\|;\)\s*\)\@<=attr\>\%(\s*[.=]\)\@!" " attr is a common variable name
 | 
						|
  syn match rubyAttribute "\%#=1\<attr_\%(accessor\|reader\|writer\)\>"
 | 
						|
  syn match rubyControl   "\%#=1\<\%(abort\|at_exit\|exit\|fork\|loop\|trap\)\>"
 | 
						|
  syn match rubyEval	  "\%#=1\<eval\>"
 | 
						|
  syn match rubyEval	  "\%#=1\<\%(class\|instance\|module\)_eval\>"
 | 
						|
  syn match rubyException "\%#=1\<\%(raise\|fail\|catch\|throw\)\>"
 | 
						|
  syn match rubyInclude   "\%#=1\<\%(autoload\|gem\|load\|require\%(_relative\)\=\)\>"
 | 
						|
  syn match rubyKeyword   "\%#=1\<\%(callcc\|caller\|lambda\|proc\)\>"
 | 
						|
  syn match rubyMacro	  "\%#=1\<\%(extend\|include\|prepend\|refine\|using\)\>"
 | 
						|
  syn match rubyMacro	  "\%#=1\<\%(alias\|define\|define_singleton\|remove\|undef\)_method\>"
 | 
						|
endif
 | 
						|
 | 
						|
" Comments and Documentation {{{1
 | 
						|
syn match   rubySharpBang    "\%^#!.*" display
 | 
						|
syn keyword rubyTodo	     FIXME NOTE TODO OPTIMIZE HACK REVIEW XXX todo contained
 | 
						|
syn match   rubyEncoding     "[[:alnum:]-_]\+" contained display
 | 
						|
syn match   rubyMagicComment "\c\%<3l#\s*\zs\%(coding\|encoding\):"					contained nextgroup=rubyEncoding skipwhite
 | 
						|
syn match   rubyMagicComment "\c\%<10l#\s*\zs\%(frozen[-_]string[-_]literal\|warn[-_]indent\|warn[-_]past[-_]scope\):" contained nextgroup=rubyBoolean  skipwhite
 | 
						|
syn match   rubyMagicComment "\c\%<10l#\s*\zs\%(shareable[-_]constant[-_]value\):"				contained nextgroup=rubyEncoding  skipwhite
 | 
						|
syn match   rubyComment	     "#.*" contains=@rubyCommentSpecial,rubySpaceError,@Spell
 | 
						|
 | 
						|
syn cluster rubyCommentSpecial contains=rubySharpBang,rubyTodo,rubyMagicComment
 | 
						|
syn cluster rubyCommentNotTop  contains=@rubyCommentSpecial,rubyEncoding
 | 
						|
 | 
						|
if !exists("ruby_no_comment_fold") && s:foldable('#')
 | 
						|
  syn region rubyMultilineComment start="^\s*#.*\n\%(^\s*#\)\@=" end="^\s*#.*\n\%(^\s*#\)\@!" contains=rubyComment transparent fold keepend
 | 
						|
  syn region rubyDocumentation	  start="^=begin\ze\%(\s.*\)\=$" end="^=end\%(\s.*\)\=$"      contains=rubySpaceError,rubyTodo,@Spell fold
 | 
						|
else
 | 
						|
  syn region rubyDocumentation	  start="^=begin\s*$"		 end="^=end\s*$"              contains=rubySpaceError,rubyTodo,@Spell
 | 
						|
endif
 | 
						|
 | 
						|
" {{{1 Useless Line Continuations
 | 
						|
syn match rubyUselessLineContinuation "\%([.:,;{([<>~\*%&^|+=-]\|%(\%(\w\|[^\x00-\x7F]\)\@1<![?!]\)\s*\zs\\$" nextgroup=rubyUselessLineContinuation skipwhite skipempty
 | 
						|
syn match rubyUselessLineContinuation "\\$"								      nextgroup=rubyUselessLineContinuation skipwhite skipempty contained
 | 
						|
 | 
						|
" Keyword Nobbling {{{1
 | 
						|
" prevent methods with keyword names being highlighted as keywords when called
 | 
						|
syn match rubyKeywordAsMethod "\%(\%(\.\@1<!\.\)\|&\.\|::\)\_s*\%([_[:lower:]][_[:alnum:]]*\|\%(BEGIN\|END\)\>\)" transparent contains=rubyDotOperator,rubyScopeOperator
 | 
						|
 | 
						|
" Bang and Predicate Methods and Operators {{{1
 | 
						|
syn match rubyBangPredicateMethod "\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[?!]"
 | 
						|
 | 
						|
if !exists("ruby_no_special_methods")
 | 
						|
  syn match rubyControl "\%#=1\<exit!" display
 | 
						|
endif
 | 
						|
syn match rubyDefinedOperator "\%#=1\<defined?" display
 | 
						|
 | 
						|
" 1.9-style Hash Keys and Keyword Parameters {{{1
 | 
						|
syn match rubySymbol "\%(\w\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[?!]\=::\@!"he=e-1 contained containedin=rubyBlockParameterList,rubyCurlyBlock
 | 
						|
syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],;]\@="he=e-1
 | 
						|
syn match rubySymbol "[[:space:],{(]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],;]\@="hs=s+1,he=e-1
 | 
						|
syn match rubySingleQuoteSymbolDelimiter "'" contained
 | 
						|
syn match rubySymbol "'\%(\\.\|[^']\)*'::\@!"he=e-1 contains=rubyQuoteEscape,rubyBackslashEscape,rubySingleQuoteSymbolDelimiter
 | 
						|
syn match rubyDoubleQuoteSymbolDelimiter "\"" contained
 | 
						|
syn match rubySymbol "\"\%(\\.\|[^\"]\)*\"::\@!"he=e-1 contains=@rubyStringSpecial,rubyDoubleQuoteSymbolDelimiter
 | 
						|
 | 
						|
" __END__ Directive {{{1
 | 
						|
SynFold '__END__' syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$"
 | 
						|
 | 
						|
" Default Highlighting {{{1
 | 
						|
hi def link rubyClass			rubyDefine
 | 
						|
hi def link rubyModule			rubyDefine
 | 
						|
hi def link rubyExceptionHandler2	rubyDefine
 | 
						|
hi def link rubyDefine			Define
 | 
						|
hi def link rubyAccess			rubyMacro
 | 
						|
hi def link rubyAttribute		rubyMacro
 | 
						|
hi def link rubyMacro			Macro
 | 
						|
hi def link rubyMethodName		rubyFunction
 | 
						|
hi def link rubyFunction		Function
 | 
						|
hi def link rubyConditional		Conditional
 | 
						|
hi def link rubyConditionalModifier	rubyConditional
 | 
						|
hi def link rubyExceptionHandler	rubyConditional
 | 
						|
hi def link rubyRescueModifier		rubyExceptionHandler
 | 
						|
hi def link rubyRepeat			Repeat
 | 
						|
hi def link rubyRepeatModifier		rubyRepeat
 | 
						|
hi def link rubyOptionalDo		rubyRepeat
 | 
						|
hi def link rubyControl			Statement
 | 
						|
hi def link rubyInclude			Include
 | 
						|
hi def link rubyInteger			Number
 | 
						|
hi def link rubyCharacter		Character
 | 
						|
hi def link rubyFloat			Float
 | 
						|
hi def link rubyBoolean			Boolean
 | 
						|
hi def link rubyException		Exception
 | 
						|
if !exists("ruby_no_identifiers")
 | 
						|
  hi def link rubyIdentifier		Identifier
 | 
						|
else
 | 
						|
  hi def link rubyIdentifier		NONE
 | 
						|
endif
 | 
						|
hi def link rubyClassVariable		rubyIdentifier
 | 
						|
hi def link rubyConstant		Type
 | 
						|
hi def link rubyClassName		rubyConstant
 | 
						|
hi def link rubyModuleName		rubyConstant
 | 
						|
hi def link rubyGlobalVariable		rubyIdentifier
 | 
						|
hi def link rubyInstanceVariable	rubyIdentifier
 | 
						|
hi def link rubyPredefinedIdentifier	rubyIdentifier
 | 
						|
hi def link rubyPredefinedConstant	rubyPredefinedIdentifier
 | 
						|
hi def link rubyPredefinedVariable	rubyPredefinedIdentifier
 | 
						|
hi def link rubySymbol			Constant
 | 
						|
hi def link rubyKeyword			Keyword
 | 
						|
 | 
						|
hi def link rubyOperator		Operator
 | 
						|
hi def link rubyDefinedOperator		rubyOperator
 | 
						|
hi def link rubyEnglishBooleanOperator	rubyOperator
 | 
						|
if exists("ruby_operators")
 | 
						|
  hi def link rubyTernaryOperator	rubyOperator
 | 
						|
  hi def link rubyArithmeticOperator	rubyOperator
 | 
						|
  hi def link rubyComparisonOperator	rubyOperator
 | 
						|
  hi def link rubyBitwiseOperator	rubyOperator
 | 
						|
  hi def link rubyBooleanOperator	rubyOperator
 | 
						|
  hi def link rubyRangeOperator		rubyOperator
 | 
						|
  hi def link rubyAssignmentOperator	rubyOperator
 | 
						|
  hi def link rubyEqualityOperator	rubyOperator
 | 
						|
endif
 | 
						|
 | 
						|
if exists("ruby_pseudo_operators")
 | 
						|
  hi def link rubyPseudoOperator	Special
 | 
						|
  hi def link rubyDotOperator		rubyPseudoOperator
 | 
						|
  hi def link rubyScopeOperator		rubyPseudoOperator
 | 
						|
  hi def link rubySuperClassOperator	rubyPseudoOperator
 | 
						|
  hi def link rubyEigenClassOperator	rubyPseudoOperator
 | 
						|
  hi def link rubyLambdaOperator	rubyPseudoOperator
 | 
						|
  hi def link rubyDoubleSplatOperator	rubyPseudoOperator
 | 
						|
  hi def link rubySplatOperator		rubyPseudoOperator
 | 
						|
  hi def link rubyProcOperator		rubyPseudoOperator
 | 
						|
endif
 | 
						|
 | 
						|
hi def link rubyBeginEnd		Statement
 | 
						|
hi def link rubyEval			Statement
 | 
						|
hi def link rubyPseudoVariable		Constant
 | 
						|
hi def link rubyCapitalizedMethod	NONE
 | 
						|
 | 
						|
hi def link rubyComment			Comment
 | 
						|
hi def link rubyEncoding		Constant
 | 
						|
hi def link rubyMagicComment		SpecialComment
 | 
						|
hi def link rubyData			Comment
 | 
						|
hi def link rubyDataDirective		Delimiter
 | 
						|
hi def link rubyDocumentation		Comment
 | 
						|
hi def link rubyTodo			Todo
 | 
						|
 | 
						|
hi def link rubyBackslashEscape		rubyStringEscape
 | 
						|
hi def link rubyQuoteEscape		rubyStringEscape
 | 
						|
hi def link rubySpaceEscape		rubyStringEscape
 | 
						|
hi def link rubyParenthesisEscape	rubyStringEscape
 | 
						|
hi def link rubyCurlyBraceEscape	rubyStringEscape
 | 
						|
hi def link rubyAngleBracketEscape	rubyStringEscape
 | 
						|
hi def link rubySquareBracketEscape	rubyStringEscape
 | 
						|
hi def link rubyStringEscape		Special
 | 
						|
 | 
						|
hi def link rubyInterpolationDelimiter	Delimiter
 | 
						|
hi def link rubySharpBang		PreProc
 | 
						|
hi def link rubyStringDelimiter		Delimiter
 | 
						|
hi def link rubyHeredocDelimiter	rubyStringDelimiter
 | 
						|
hi def link rubyPercentRegexpDelimiter	rubyRegexpDelimiter
 | 
						|
hi def link rubyPercentStringDelimiter	rubyStringDelimiter
 | 
						|
hi def link rubyPercentSymbolDelimiter	rubySymbolDelimiter
 | 
						|
hi def link rubyDoubleQuoteSymbolDelimiter rubySymbolDelimiter
 | 
						|
hi def link rubySingleQuoteSymbolDelimiter rubySymbolDelimiter
 | 
						|
hi def link rubyRegexpDelimiter		rubyStringDelimiter
 | 
						|
hi def link rubySymbolDelimiter		rubySymbol
 | 
						|
hi def link rubyString			String
 | 
						|
hi def link rubyRegexpEscape		rubyRegexpSpecial
 | 
						|
hi def link rubyRegexpQuantifier	rubyRegexpSpecial
 | 
						|
hi def link rubyRegexpAnchor		rubyRegexpSpecial
 | 
						|
hi def link rubyRegexpDot		rubyRegexpCharClass
 | 
						|
hi def link rubyRegexpCharClass		rubyRegexpSpecial
 | 
						|
hi def link rubyRegexpIntersection	rubyRegexpSpecial
 | 
						|
hi def link rubyRegexpSpecial		Special
 | 
						|
hi def link rubyRegexpComment		Comment
 | 
						|
hi def link rubyRegexp			rubyString
 | 
						|
 | 
						|
hi def link rubyError			Error
 | 
						|
if exists("ruby_line_continuation_error")
 | 
						|
  hi def link rubyUselessLineContinuation rubyError
 | 
						|
endif
 | 
						|
hi def link rubyGlobalVariableError	rubyError
 | 
						|
hi def link rubySpaceError		rubyError
 | 
						|
 | 
						|
" Postscript {{{1
 | 
						|
let b:current_syntax = "ruby"
 | 
						|
 | 
						|
let &cpo = s:cpo_sav
 | 
						|
unlet! s:cpo_sav
 | 
						|
 | 
						|
delc SynFold
 | 
						|
 | 
						|
" vim: nowrap sw=2 sts=2 ts=8 noet fdm=marker:
 |