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| -rw-r--r-- | runtime/syntax/ruby.vim | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/runtime/syntax/ruby.vim b/runtime/syntax/ruby.vim new file mode 100644 index 0000000..c951fcf --- /dev/null +++ b/runtime/syntax/ruby.vim @@ -0,0 +1,606 @@ +" Vim syntax file +" Language: Ruby +" Maintainer: Doug Kearns <dougkearns@gmail.com> +" URL: https://github.com/vim-ruby/vim-ruby +" Release Coordinator: Doug Kearns <dougkearns@gmail.com> +" Last Change: 2021 Nov 03 +" ---------------------------------------------------------------------------- +" +" Previous Maintainer: Mirko Nasato +" Thanks to perl.vim authors, and to Reimer Behrends. :-) (MN) +" ---------------------------------------------------------------------------- + +" Prelude {{{1 +if exists("b:current_syntax") + finish +endif + +" this file uses line continuations +let s:cpo_sav = &cpo +set cpo&vim + +" eRuby Config {{{1 +if exists('main_syntax') && main_syntax == 'eruby' + let b:ruby_no_expensive = 1 +endif + +" Folding Config {{{1 +if has("folding") && exists("ruby_fold") + setlocal foldmethod=syntax +endif + +let s:foldable_groups = split( + \ get( + \ b:, + \ 'ruby_foldable_groups', + \ get(g:, 'ruby_foldable_groups', 'ALL') + \ ) + \ ) + +function! s:foldable(...) abort + if index(s:foldable_groups, 'NONE') > -1 + return 0 + endif + + if index(s:foldable_groups, 'ALL') > -1 + return 1 + endif + + for l:i in a:000 + if index(s:foldable_groups, l:i) > -1 + return 1 + endif + endfor + + return 0 +endfunction + +function! s:run_syntax_fold(args) abort + let [_0, _1, groups, cmd; _] = matchlist(a:args, '\(["'']\)\(.\{-}\)\1\s\+\(.*\)') + if call('s:foldable', split(groups)) + let cmd .= ' fold' + endif + exe cmd +endfunction + +com! -nargs=* SynFold call s:run_syntax_fold(<q-args>) + +" Not-Top Cluster {{{1 +syn cluster rubyNotTop contains=@rubyCommentNotTop,@rubyStringNotTop,@rubyRegexpSpecial,@rubyDeclaration,@rubyExceptionHandler,@rubyClassOperator,rubyConditional,rubyModuleName,rubyClassName,rubySymbolDelimiter,rubyDoubleQuoteSymbolDelimiter,rubySingleQuoteSymbolDelimiter,rubyParentheses,@Spell + +" Whitespace Errors {{{1 +if exists("ruby_space_errors") + if !exists("ruby_no_trail_space_error") + syn match rubySpaceError display excludenl "\s\+$" + endif + if !exists("ruby_no_tab_space_error") + syn match rubySpaceError display " \+\t"me=e-1 + endif +endif + +" Operators {{{1 + +syn match rubyEnglishBooleanOperator "\<\%(and\|or\|not\)\>" + +if exists("ruby_operators") || exists("ruby_pseudo_operators") + syn match rubyDotOperator "\.\|&\." + + syn match rubyTernaryOperator "\%(\w\|[^\x00-\x7F]\)\@1<!?\|:" + syn match rubyArithmeticOperator "\*\*\|[*/%+]\|->\@!" + syn match rubyComparisonOperator "<=>\|<=\|<\|>=\|[-=]\@1<!>" + syn match rubyBitwiseOperator "[~^|]\|&\.\@!\|<<\|>>" + syn match rubyBooleanOperator "\%(\w\|[^\x00-\x7F]\)\@1<!!\|&&\|||" + syn match rubyRangeOperator "\.\.\.\=" + syn match rubyAssignmentOperator "=>\@!\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|||=\||=\|%=\|+=\|>>=\|<<=\|\^=" + syn match rubyAssignmentOperator "=>\@!" contained containedin=rubyBlockParameterList " TODO: this is inelegant + syn match rubyEqualityOperator "===\|==\|!=\|!\~\|=\~" + + syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\%(\w\|[^\x00-\x7F]\)[?!]\=\|[]})]\)\@2<=\[" end="]" contains=ALLBUT,@rubyNotTop + + syn match rubyScopeOperator "::" + syn match rubySuperClassOperator "<" contained + syn match rubyEigenClassOperator "<<" contained + syn match rubyLambdaOperator "->" + syn match rubySplatOperator "\%([[{(|,=]\_s*\)\@<=\*" + syn match rubySplatOperator "\%(^\|\s\)\@1<=\*\%(\h\|[^\x00-\x7F]\|[:$@[]\)\@=" + syn match rubyDoubleSplatOperator "\%([{(|,]\_s*\)\@<=\*\*" + syn match rubyDoubleSplatOperator "\s\@1<=\*\*\%(\h\|[^\x00-\x7F]\|[:$@{]\)\@=" + syn match rubyProcOperator "\%([[(|,]\_s*\)\@<=&" + syn match rubyProcOperator "\s\@1<=&\%(\h\|[^\x00-\x7F]\|[:$@]\|->\)\@=" + + syn cluster rubyProperOperator contains=rubyTernaryOperator,rubyArithmeticOperator,rubyComparisonOperator,rubyBitwiseOperator,rubyBooleanOperator,rubyRangeOperator,rubyAssignmentOperator,rubyEqualityOperator,rubyDefinedOperator,rubyEnglishBooleanOperator + syn cluster rubyClassOperator contains=rubyEigenClassOperator,rubySuperClassOperator + syn cluster rubyPseudoOperator contains=rubyDotOperator,rubyScopeOperator,rubyEigenClassOperator,rubySuperClassOperator,rubyLambdaOperator,rubySplatOperator,rubyDoubleSplatOperator,rubyProcOperator + syn cluster rubyOperator contains=ruby.*Operator +endif + +" String Interpolation and Backslash Notation {{{1 +syn region rubyInterpolation matchgroup=rubyInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,@rubyNotTop +syn match rubyInterpolation "#\$\%(-\w\|[!$&"'*+,./0:;<>?@\`~_]\|\w\+\)" display contained contains=rubyInterpolationDelimiter,@rubyGlobalVariable +syn match rubyInterpolation "#@@\=\w\+" display contained contains=rubyInterpolationDelimiter,rubyInstanceVariable,rubyClassVariable +syn match rubyInterpolationDelimiter "#\ze[$@]" display contained + +syn match rubyStringEscape "\\\_." contained display +syn match rubyStringEscape "\\\o\{1,3}\|\\x\x\{1,2}" contained display +syn match rubyStringEscape "\\u\%(\x\{4}\|{\x\{1,6}\%(\s\+\x\{1,6}\)*}\)" contained display +syn match rubyStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=.\)" contained display + +syn match rubyBackslashEscape "\\\\" contained display +syn match rubyQuoteEscape "\\'" contained display +syn match rubySpaceEscape "\\ " contained display + +syn match rubyParenthesisEscape "\\[()]" contained display +syn match rubyCurlyBraceEscape "\\[{}]" contained display +syn match rubyAngleBracketEscape "\\[<>]" contained display +syn match rubySquareBracketEscape "\\[[\]]" contained display + +syn region rubyNestedParentheses start="(" skip="\\\\\|\\)" end=")" transparent contained +syn region rubyNestedCurlyBraces start="{" skip="\\\\\|\\}" end="}" transparent contained +syn region rubyNestedAngleBrackets start="<" skip="\\\\\|\\>" end=">" transparent contained +syn region rubyNestedSquareBrackets start="\[" skip="\\\\\|\\\]" end="\]" transparent contained + +syn cluster rubySingleCharEscape contains=rubyBackslashEscape,rubyQuoteEscape,rubySpaceEscape,rubyParenthesisEscape,rubyCurlyBraceEscape,rubyAngleBracketEscape,rubySquareBracketEscape +syn cluster rubyNestedBrackets contains=rubyNested.\+ +syn cluster rubyStringSpecial contains=rubyInterpolation,rubyStringEscape +syn cluster rubyStringNotTop contains=@rubyStringSpecial,@rubyNestedBrackets,@rubySingleCharEscape + +" Regular Expression Metacharacters {{{1 +syn region rubyRegexpComment matchgroup=rubyRegexpSpecial start="(?#" skip="\\\\\|\\)" end=")" contained +syn region rubyRegexpParens matchgroup=rubyRegexpSpecial start="(\(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\\\\|\\)" end=")" contained transparent contains=@rubyRegexpSpecial +syn region rubyRegexpBrackets matchgroup=rubyRegexpCharClass start="\[\^\=" skip="\\\\\|\\\]" end="\]" contained transparent contains=rubyRegexpBrackets,rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass,rubyRegexpIntersection oneline +syn match rubyRegexpCharClass "\\[DdHhRSsWw]" contained display +syn match rubyRegexpCharClass "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|word\|xdigit\):\]" contained +syn match rubyRegexpCharClass "\\[pP]{^\=.\{-}}" contained display +syn match rubyRegexpEscape "\\[].*?+^$|\\/(){}[]" contained " see commit e477f10 +syn match rubyRegexpQuantifier "[*?+][?+]\=" contained display +syn match rubyRegexpQuantifier "{\d\+\%(,\d*\)\=}?\=" contained display +syn match rubyRegexpAnchor "[$^]\|\\[ABbGZz]" contained display +syn match rubyRegexpDot "\.\|\\X" contained display +syn match rubyRegexpIntersection "&&" contained display +syn match rubyRegexpSpecial "\\K" contained display +syn match rubyRegexpSpecial "|" contained display +syn match rubyRegexpSpecial "\\[1-9]\d\=\d\@!" contained display +syn match rubyRegexpSpecial "\\k<\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\=>" contained display +syn match rubyRegexpSpecial "\\k'\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\='" contained display +syn match rubyRegexpSpecial "\\g<\%([a-z_]\w*\|-\=\d\+\)>" contained display +syn match rubyRegexpSpecial "\\g'\%([a-z_]\w*\|-\=\d\+\)'" contained display + +syn cluster rubyRegexpSpecial contains=@rubyStringSpecial,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment,rubyRegexpIntersection + +" Numbers {{{1 +syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*r\=i\=\>" display +syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>" display +syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>" display +syn match rubyInteger "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>" display +syn match rubyFloat "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>" display +syn match rubyFloat "\%(\%(\w\|[^\x00-\x7F]\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)i\=\>" display + +" Identifiers {{{1 +syn match rubyClassName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained +syn match rubyModuleName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained +syn match rubyConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<[[:upper:]]\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" +syn match rubyClassVariable "@@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display +syn match rubyInstanceVariable "@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display +syn match rubyGlobalVariable "$\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\|-.\)" +syn match rubySymbolDelimiter ":" contained +syn match rubySymbol "[]})\"':]\@1<!:\%(\^\|\~@\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" contains=rubySymbolDelimiter +syn match rubySymbol "[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)" contains=rubySymbolDelimiter +syn match rubySymbol "[]})\"':]\@1<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" contains=rubySymbolDelimiter +syn match rubySymbol "[]})\"':]\@1<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" contains=rubySymbolDelimiter + +SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape,rubyBackslashEscape +SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial + +syn match rubyCapitalizedMethod "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@=" + +syn region rubyParentheses start="(" end=")" contains=ALLBUT,@rubyNotTop contained containedin=rubyBlockParameterList +syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\_s*\)\@32<=|" end="|" contains=ALLBUT,@rubyNotTop,@rubyProperOperator + +if exists('ruby_global_variable_error') + syn match rubyGlobalVariableError "$[^A-Za-z_]" display + syn match rubyGlobalVariableError "$-[^0FIKWadilpvw]" display +endif + +syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<>?@\`~]# +syn match rubyPredefinedVariable "$\d\+" display +syn match rubyPredefinedVariable "$_\>" display +syn match rubyPredefinedVariable "$-[0FIWadilpvw]\>" display +syn match rubyPredefinedVariable "$\%(stderr\|stdin\|stdout\)\>" display +syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display +syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(ARGF\|ARGV\|ENV\|DATA\|STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\)\>\%(\s*(\)\@!" +syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(RUBY_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!" + +" Deprecated/removed in 1.9 +syn match rubyPredefinedVariable "$=" +syn match rubyPredefinedVariable "$-K\>" display +syn match rubyPredefinedVariable "$\%(deferr\|defout\)\>" display +syn match rubyPredefinedVariable "$KCODE\>" display +" Deprecated/removed in 2.4 +syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(FALSE\|NIL\|TRUE\)\>\%(\s*(\)\@!" + +syn cluster rubyGlobalVariable contains=rubyGlobalVariable,rubyPredefinedVariable,rubyGlobalVariableError + +" Normal Regular Expressions {{{1 +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 +SynFold '/' syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\s\+\)\@<=/\%(=\|\_s\)\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite + +" Generalized Regular Expressions {{{1 +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@rubyRegexpSpecial +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@rubyRegexpSpecial,rubyNestedAngleBrackets +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@rubyRegexpSpecial +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@rubyRegexpSpecial +SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z(\s\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial + +" Characters {{{1 +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:]]\)\)" +syn match rubyCharacter "\%(\w\|[^\x00-\x7F]\|[]})\"'/]\)\@1<!?\\u\%(\x\{4}\|{\x\{1,6}}\)" + +" Normal Strings {{{1 +let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : '' +let s:fold_arg = s:foldable('string') ? ' fold' : '' +exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial' . s:spell_cluster . s:fold_arg +exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''" contains=rubyQuoteEscape,rubyBackslashEscape' . s:spell_cluster . s:fold_arg +unlet s:spell_cluster s:fold_arg + +" Shell Command Output {{{1 +SynFold 'string' syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial + +" Generalized Single Quoted Strings, Symbols, Array of Strings and Array of Symbols {{{1 + +" Non-bracket punctuation delimiters {{{2 +let s:names = { '~': 'Tilde', '`': 'BackQuote', '!': 'Bang', '@': 'At', '#': 'Hash', '$': 'Dollar', '%': 'Percent', '^': 'Caret', + \ '&': '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 + + if !exists("ruby_minlines") + let ruby_minlines = 500 + endif + exe "syn sync minlines=" . ruby_minlines + +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 + +" 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: |