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vim/runtime/syntax/ruby.vim
Bram Moolenaar c1762ccb6f updated for version 7.1b
2007-05-10 16:56:30 +00:00

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" Vim syntax file
" Language: Ruby
" Maintainer: Doug Kearns <dougkearns@gmail.com>
" Info: $Id$
" 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
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="\%([_[:lower:]]\w*[?!=]\=\|[})]\)\@<=\[\s*" end="\s*]" contains=TOP
endif
" Expression Substitution and Backslash Notation
syn match rubyEscape "\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}" contained display
syn match rubyEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display
syn region rubyInterpolation matchgroup=rubyInterpolationDelimiter start="#{" end="}" contained contains=TOP
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="(" end=")" skip="\\\\\|\\)" transparent contained contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimEscape
syn region rubyNestedCurlyBraces start="{" end="}" skip="\\\\\|\\}" transparent contained contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimEscape
syn region rubyNestedAngleBrackets start="<" end=">" skip="\\\\\|\\>" transparent contained contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimEscape
if exists("ruby_operators")
syn region rubyNestedSquareBrackets start="\[" end="\]" skip="\\\\\|\\\]" transparent contained contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape
else
syn region rubyNestedSquareBrackets start="\[" end="\]" skip="\\\\\|\\\]" transparent containedin=rubyArrayLiteral contained contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape
endif
syn cluster rubyStringSpecial contains=rubyInterpolation,rubyNoInterpolation,rubyEscape
syn cluster rubyExtendedStringSpecial contains=@rubyStringSpecial,rubyNestedParentheses,rubyNestedCurlyBraces,rubyNestedAngleBrackets,rubyNestedSquareBrackets
" 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 "\<0[xX]\x\+\%(_\x\+\)*\>" display
syn match rubyInteger "\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\>" display
syn match rubyInteger "\<0[oO]\=\o\+\%(_\o\+\)*\>" display
syn match rubyInteger "\<0[bB][01]\+\%(_[01]\+\)*\>" display
syn match rubyFloat "\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\>" display
syn match rubyFloat "\<\%(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 region rubySymbol start="[]})\"':]\@<!:\"" end="\"" skip="\\\\\|\\\""
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=@rubyStringSpecial fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\<\%(split\|scan\|gsub\|sub\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyStringSpecial 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="\\\\\|\\'" fold
syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold
" Generalized Regular Expression
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimEscape fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimEscape 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 start="%[s]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold
syn region rubySymbol start="%[s]{" end="}" skip="\\\\\|\\}" fold contains=rubyNestedCurlyBraces,rubyDelimEscape
syn region rubySymbol start="%[s]<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimEscape
syn region rubySymbol start="%[s]\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimEscape
syn region rubySymbol 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=TOP
syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs"\%([^"]*\)"+ end=+$+ oneline contains=TOP
syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs'\%([^']*\)'+ end=+$+ oneline contains=TOP
syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs`\%([^`]*\)`+ end=+$+ oneline contains=TOP
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
syn match rubyModuleDeclaration "[^[:space:];#]\+" contained contains=rubyConstant
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
" 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 rubyClass "\<class\>" nextgroup=rubyClassDeclaration skipwhite skipnl
syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl
syn region rubyBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=TOP fold
syn region rubyBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=TOP fold
syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=TOP fold
" modifiers
syn match rubyConditionalModifier "\<\%(if\|unless\)\>" display
syn match rubyRepeatModifier "\<\%(while\|until\)\>" display
syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=TOP fold
" curly bracket block or hash literal
syn region rubyCurlyBlock start="{" end="}" contains=TOP fold
syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=TOP fold
" statements without 'do'
syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=TOP fold
syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=TOP fold
syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!?]\)\s*\)\@<=\%(if\|unless\)\>" end="\<end\>" contains=TOP fold
syn keyword rubyConditional then else when contained containedin=rubyCaseExpression
syn keyword rubyConditional then else elsif contained containedin=rubyConditionalExpression
" 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=TOP
syn region rubyRepeatExpression start="\<for\>" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=TOP 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 keyword rubyControl case begin do for if unless while until else elsif then when end
syn keyword rubyKeyword alias
endif
" Keywords
" Note: the following keywords have already been defined:
" begin case class def do end for if module unless until while
syn keyword rubyControl and break ensure in next not or redo rescue retry return
syn match rubyOperator "\<defined?" display
syn keyword rubyKeyword super undef yield
syn keyword rubyBoolean true false
syn keyword rubyPseudoVariable nil self __FILE__ __LINE__
syn keyword rubyBeginEnd BEGIN END
" Special Methods
if !exists("ruby_no_special_methods")
syn keyword rubyAccess public protected private
syn keyword rubyAttribute attr 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
syn keyword rubyInclude autoload extend include 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 "\%(\%(\.\@<!\.\)\|::\)\_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 rubyDefine Define
hi def link rubyFunction Function
hi def link rubyConditional Conditional
hi def link rubyConditionalModifier 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 rubyEscape Special
hi def link rubyInterpolationDelimiter Delimiter
hi def link rubyNoInterpolation rubyString
hi def link rubySharpBang PreProc
hi def link rubyRegexpDelimiter rubyStringDelimiter
hi def link rubyStringDelimiter Delimiter
hi def link rubyRegexp rubyString
hi def link rubyString String
hi def link rubyTodo Todo
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 ff=unix:
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