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Diffstat (limited to 'vim73/syntax/ruby.vim')
| -rw-r--r-- | vim73/syntax/ruby.vim | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/vim73/syntax/ruby.vim b/vim73/syntax/ruby.vim new file mode 100644 index 0000000..e3aee12 --- /dev/null +++ b/vim73/syntax/ruby.vim @@ -0,0 +1,370 @@ +" Vim syntax file +" Language: Ruby +" Maintainer: Doug Kearns <dougkearns@gmail.com> +" Last Change: 2009 Dec 2 +" URL: http://vim-ruby.rubyforge.org +" Anon CVS: See above site +" Release Coordinator: Doug Kearns <dougkearns@gmail.com> +" ---------------------------------------------------------------------------- +" +" Previous Maintainer: Mirko Nasato +" Thanks to perl.vim authors, and to Reimer Behrends. :-) (MN) +" ---------------------------------------------------------------------------- + +if exists("b:current_syntax") + finish +endif + +if has("folding") && exists("ruby_fold") + setlocal foldmethod=syntax +endif + +syn cluster rubyNotTop contains=@rubyExtendedStringSpecial,@rubyRegexpSpecial,@rubyDeclaration,rubyConditional,rubyExceptional,rubyMethodExceptional,rubyTodo + +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 +if exists("ruby_operators") + syn match rubyOperator "\%([~!^&|*/%+-]\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@<!>\|\*\*\|\.\.\.\|\.\.\|::\)" + syn match rubyPseudoOperator "\%(-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!=\)" + syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop +endif + +" Expression Substitution and Backslash Notation +syn match rubyStringEscape "\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}" contained display +syn match rubyStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display +syn match rubyQuoteEscape "\\[\\']" contained display + +syn region rubyInterpolation matchgroup=rubyInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,@rubyNotTop +syn match rubyInterpolation "#\%(\$\|@@\=\)\w\+" display contained contains=rubyInterpolationDelimiter,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable,rubyPredefinedVariable +syn match rubyInterpolationDelimiter "#\ze\%(\$\|@@\=\)\w\+" display contained +syn match rubyInterpolation "#\$\%(-\w\|\W\)" display contained contains=rubyInterpolationDelimiter,rubyPredefinedVariable,rubyInvalidVariable +syn match rubyInterpolationDelimiter "#\ze\$\%(-\w\|\W\)" display contained +syn region rubyNoInterpolation start="\\#{" end="}" contained +syn match rubyNoInterpolation "\\#{" display contained +syn match rubyNoInterpolation "\\#\%(\$\|@@\=\)\w\+" display contained +syn match rubyNoInterpolation "\\#\$\W" display contained + +syn match rubyDelimEscape "\\[(<{\[)>}\]]" transparent display contained contains=NONE + +syn region rubyNestedParentheses start="(" skip="\\\\\|\\)" matchgroup=rubyString end=")" transparent contained +syn region rubyNestedCurlyBraces start="{" skip="\\\\\|\\}" matchgroup=rubyString end="}" transparent contained +syn region rubyNestedAngleBrackets start="<" skip="\\\\\|\\>" matchgroup=rubyString end=">" transparent contained +syn region rubyNestedSquareBrackets start="\[" skip="\\\\\|\\\]" matchgroup=rubyString end="\]" transparent contained + +" These are mostly Oniguruma ready +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=rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass oneline +syn match rubyRegexpCharClass "\\[DdHhSsWw]" contained display +syn match rubyRegexpCharClass "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\):\]" contained +syn match rubyRegexpEscape "\\[].*?+^$|\\/(){}[]" contained +syn match rubyRegexpQuantifier "[*?+][?+]\=" contained display +syn match rubyRegexpQuantifier "{\d\+\%(,\d*\)\=}?\=" contained display +syn match rubyRegexpAnchor "[$^]\|\\[ABbGZz]" contained display +syn match rubyRegexpDot "\." 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 rubyStringSpecial contains=rubyInterpolation,rubyNoInterpolation,rubyStringEscape +syn cluster rubyExtendedStringSpecial contains=@rubyStringSpecial,rubyNestedParentheses,rubyNestedCurlyBraces,rubyNestedAngleBrackets,rubyNestedSquareBrackets +syn cluster rubyRegexpSpecial contains=rubyInterpolation,rubyNoInterpolation,rubyStringEscape,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment + +" Numbers and ASCII Codes +syn match rubyASCIICode "\%(\w\|[]})\"'/]\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)" +syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*\>" display +syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\>" display +syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*\>" display +syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*\>" display +syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\>" display +syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)\>" display + +" Identifiers +syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent +syn match rubyBlockArgument "&[_[:lower:]][_[:alnum:]]" contains=NONE display transparent + +syn match rubyConstant "\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=\%(\s*(\)\@!" +syn match rubyClassVariable "@@\h\w*" display +syn match rubyInstanceVariable "@\h\w*" display +syn match rubyGlobalVariable "$\%(\h\w*\|-.\)" +syn match rubySymbol "[]})\"':]\@<!:\%(\^\|\~\|<<\|<=>\|<=\|<\|===\|==\|=\~\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" +syn match rubySymbol "[]})\"':]\@<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)" +syn match rubySymbol "[]})\"':]\@<!:\%(\$\|@@\=\)\=\h\w*" +syn match rubySymbol "[]})\"':]\@<!:\h\w*\%([?!=]>\@!\)\=" +syn match rubySymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1 +syn match rubySymbol "[]})\"':]\@<!\h\w*[!?]\=:\s\@="he=e-1 +syn region rubySymbol start="[]})\"':]\@<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape fold +syn region rubySymbol start="[]})\"':]\@<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold + +syn match rubyBlockParameter "\h\w*" contained +syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\s*\)\@<=|" end="|" oneline display contains=rubyBlockParameter + +syn match rubyInvalidVariable "$[^ A-Za-z_-]" +syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~1-9]# +syn match rubyPredefinedVariable "$_\>" display +syn match rubyPredefinedVariable "$-[0FIKadilpvw]\>" display +syn match rubyPredefinedVariable "$\%(deferr\|defout\|stderr\|stdin\|stdout\)\>" display +syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display +syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!" +syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(DATA\|FALSE\|NIL\|RUBY_PLATFORM\|RUBY_RELEASE_DATE\)\>\%(\s*(\)\@!" +syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(RUBY_VERSION\|STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!" +"Obsolete Global Constants +"syn match rubyPredefinedConstant "\%(::\)\=\zs\%(PLATFORM\|RELEASE_DATE\|VERSION\)\>" +"syn match rubyPredefinedConstant "\%(::\)\=\zs\%(NotImplementError\)\>" + +" Normal Regular Expression +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,[>]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial keepend fold +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/[ \t=]\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold + +" Generalized Regular Expression +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@rubyRegexpSpecial fold +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@rubyRegexpSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@rubyRegexpSpecial fold +syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@rubyRegexpSpecial fold + +" Normal String and Shell Command Output +syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold +syn region rubyString matchgroup=rubyStringDelimiter start="'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape fold +syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold + +" Generalized Single Quoted String, Symbol and Array of Strings +syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]{" end="}" skip="\\\\\|\\}" fold contains=rubyNestedCurlyBraces,rubyDelimEscape +syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimEscape +syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimEscape +syn region rubyString matchgroup=rubyStringDelimiter start="%[qw](" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimEscape +syn region rubySymbol matchgroup=rubySymbolDelimiter start="%[s]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold +syn region rubySymbol matchgroup=rubySymbolDelimiter start="%[s]{" end="}" skip="\\\\\|\\}" fold contains=rubyNestedCurlyBraces,rubyDelimEscape +syn region rubySymbol matchgroup=rubySymbolDelimiter start="%[s]<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimEscape +syn region rubySymbol matchgroup=rubySymbolDelimiter start="%[s]\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimEscape +syn region rubySymbol matchgroup=rubySymbolDelimiter start="%[s](" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimEscape + +" Generalized Double Quoted String and Array of Strings and Shell Command Output +" Note: %= is not matched here as the beginning of a double quoted string +syn region rubyString matchgroup=rubyStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\={" end="}" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimEscape fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape fold +syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimEscape fold + +" Here Document +syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs\%(\h\w*\)+ end=+$+ oneline contains=ALLBUT,@rubyNotTop +syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs"\%([^"]*\)"+ end=+$+ oneline contains=ALLBUT,@rubyNotTop +syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs'\%([^']*\)'+ end=+$+ oneline contains=ALLBUT,@rubyNotTop +syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs`\%([^`]*\)`+ end=+$+ oneline contains=ALLBUT,@rubyNotTop + +syn region rubyString start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<\z(\h\w*\)\ze+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<"\z([^"]*\)"\ze+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<'\z([^']*\)'\ze+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<`\z([^`]*\)`\ze+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend + +syn region rubyString start=+\%(\%(class\s*\|\%([]}).]\|::\)\)\_s*\|\w\)\@<!<<-\z(\h\w*\)\ze+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]}).]\|::\)\)\_s*\|\w\)\@<!<<-"\z([^"]*\)"\ze+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]}).]\|::\)\)\_s*\|\w\)\@<!<<-'\z([^']*\)'\ze+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart fold keepend +syn region rubyString start=+\%(\%(class\s*\|\%([]}).]\|::\)\)\_s*\|\w\)\@<!<<-`\z([^`]*\)`\ze+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend + +if exists('main_syntax') && main_syntax == 'eruby' + let b:ruby_no_expensive = 1 +end + +syn match rubyAliasDeclaration "[^[:space:];#.()]\+" contained contains=rubySymbol,rubyGlobalVariable,rubyPredefinedVariable nextgroup=rubyAliasDeclaration2 skipwhite +syn match rubyAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=rubySymbol,rubyGlobalVariable,rubyPredefinedVariable +syn match rubyMethodDeclaration "[^[:space:];#(]\+" contained contains=rubyConstant,rubyBoolean,rubyPseudoVariable,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable +syn match rubyClassDeclaration "[^[:space:];#<]\+" contained contains=rubyConstant,rubyOperator +syn match rubyModuleDeclaration "[^[:space:];#<]\+" contained contains=rubyConstant,rubyOperator +syn match rubyFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=rubyMethodDeclaration +syn match rubyFunction "\%(\s\|^\)\@<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2 +syn match rubyFunction "\%([[:space:].]\|^\)\@<=\%(\[\]=\=\|\*\*\|[+-]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|==\|=\~\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration + +syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyFunction,rubyBlockParameter + +" Keywords +" Note: the following keywords have already been defined: +" begin case class def do end for if module unless until while +syn match rubyControl "\<\%(and\|break\|in\|next\|not\|or\|redo\|rescue\|retry\|return\)\>[?!]\@!" +syn match rubyOperator "\<defined?" display +syn match rubyKeyword "\<\%(super\|yield\)\>[?!]\@!" +syn match rubyBoolean "\<\%(true\|false\)\>[?!]\@!" +syn match rubyPseudoVariable "\<\%(nil\|self\|__FILE__\|__LINE__\)\>[?!]\@!" +syn match rubyBeginEnd "\<\%(BEGIN\|END\)\>[?!]\@!" + +" Expensive Mode - 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=rubyFunction skipwhite skipnl + syn match rubyClass "\<class\>" nextgroup=rubyClassDeclaration skipwhite skipnl + syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl + + syn region rubyMethodBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold + syn region rubyBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop fold + syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop fold + + " modifiers + syn match rubyConditionalModifier "\<\%(if\|unless\)\>" display + syn match rubyRepeatModifier "\<\%(while\|until\)\>" display + + syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold + " curly bracket block or hash literal + syn region rubyCurlyBlock start="{" end="}" contains=ALLBUT,@rubyNotTop fold + syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop fold + + " statements without 'do' + syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold + syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold + syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold + + syn match rubyConditional "\<\%(then\|else\|when\)\>[?!]\@!" contained containedin=rubyCaseExpression + syn match rubyConditional "\<\%(then\|else\|elsif\)\>[?!]\@!" contained containedin=rubyConditionalExpression + + syn match rubyExceptional "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyBlockExpression + syn match rubyMethodExceptional "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyMethodBlock + + " statements with optional 'do' + syn region rubyOptionalDoLine matchgroup=rubyRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\%(\<do\>\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop + syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold + + if !exists("ruby_minlines") + let ruby_minlines = 50 + endif + exec "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\|ensure\|then\|when\|end\)\>[?!]\@!" + syn match rubyKeyword "\<\%(alias\|undef\)\>[?!]\@!" +endif + +" Special Methods +if !exists("ruby_no_special_methods") + syn keyword rubyAccess public protected private module_function + " attr is a common variable name + syn match rubyAttribute "\%(\%(^\|;\)\s*\)\@<=attr\>\(\s*[.=]\)\@!" + syn keyword rubyAttribute attr_accessor attr_reader attr_writer + syn match rubyControl "\<\%(exit!\|\%(abort\|at_exit\|exit\|fork\|loop\|trap\)\>[?!]\@!\)" + syn keyword rubyEval eval class_eval instance_eval module_eval + syn keyword rubyException raise fail catch throw + " false positive with 'include?' + syn match rubyInclude "\<include\>[?!]\@!" + syn keyword rubyInclude autoload extend load require + syn keyword rubyKeyword callcc caller lambda proc +endif + +" Comments and Documentation +syn match rubySharpBang "\%^#!.*" display +syn keyword rubyTodo FIXME NOTE TODO OPTIMIZE XXX contained +syn match rubyComment "#.*" contains=rubySharpBang,rubySpaceError,rubyTodo,@Spell +if !exists("ruby_no_comment_fold") + syn region rubyMultilineComment start="\%(\%(^\s*#.*\n\)\@<!\%(^\s*#.*\n\)\)\%(\(^\s*#.*\n\)\{1,}\)\@=" end="\%(^\s*#.*\n\)\@<=\%(^\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 + +" Note: this is a hack to prevent 'keywords' being highlighted as such when called as methods with an explicit receiver +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(alias\|and\|begin\|break\|case\|class\|def\|defined\|do\|else\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(elsif\|end\|ensure\|false\|for\|if\|in\|module\|next\|nil\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(not\|or\|redo\|rescue\|retry\|return\|self\|super\|then\|true\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(undef\|unless\|until\|when\|while\|yield\|BEGIN\|END\|__FILE__\|__LINE__\)\>" transparent contains=NONE + +syn match rubyKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)[?!]" transparent contains=NONE +syn match rubyKeywordAsMethod "\<\%(if\|module\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE + +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(abort\|at_exit\|attr\|attr_accessor\|attr_reader\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(attr_writer\|autoload\|callcc\|catch\|caller\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(eval\|class_eval\|instance_eval\|module_eval\|exit\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(extend\|fail\|fork\|include\|lambda\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(load\|loop\|private\|proc\|protected\)\>" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(public\|require\|raise\|throw\|trap\)\>" transparent contains=NONE + +" __END__ Directive +syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$" fold + +hi def link rubyClass rubyDefine +hi def link rubyModule rubyDefine +hi def link rubyMethodExceptional rubyDefine +hi def link rubyDefine Define +hi def link rubyFunction Function +hi def link rubyConditional Conditional +hi def link rubyConditionalModifier rubyConditional +hi def link rubyExceptional rubyConditional +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 rubyASCIICode 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 rubyGlobalVariable rubyIdentifier +hi def link rubyBlockParameter 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 rubyPseudoOperator rubyOperator +hi def link rubyBeginEnd Statement +hi def link rubyAccess Statement +hi def link rubyAttribute Statement +hi def link rubyEval Statement +hi def link rubyPseudoVariable Constant + +hi def link rubyComment Comment +hi def link rubyData Comment +hi def link rubyDataDirective Delimiter +hi def link rubyDocumentation Comment +hi def link rubyTodo Todo + +hi def link rubyQuoteEscape rubyStringEscape +hi def link rubyStringEscape Special +hi def link rubyInterpolationDelimiter Delimiter +hi def link rubyNoInterpolation rubyString +hi def link rubySharpBang PreProc +hi def link rubyRegexpDelimiter rubyStringDelimiter +hi def link rubySymbolDelimiter rubyStringDelimiter +hi def link rubyStringDelimiter Delimiter +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 rubyRegexpSpecial Special +hi def link rubyRegexpComment Comment +hi def link rubyRegexp rubyString + +hi def link rubyInvalidVariable Error +hi def link rubyError Error +hi def link rubySpaceError rubyError + +let b:current_syntax = "ruby" + +" vim: nowrap sw=2 sts=2 ts=8 noet: |