This commit is contained in:
Adam Stankiewicz
2019-03-04 09:15:44 +01:00
parent c161994e96
commit ed677c34d5
45 changed files with 1575 additions and 705 deletions

View File

@@ -20,6 +20,11 @@ endif
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
@@ -34,6 +39,10 @@ let s:foldable_groups = split(
\ )
function! s:foldable(...) abort
if index(s:foldable_groups, 'NONE') > -1
return 0
endif
if index(s:foldable_groups, 'ALL') > -1
return 1
endif
@@ -45,9 +54,21 @@ function! s:foldable(...) abort
endfor
return 0
endfunction " }}}
endfunction
syn cluster rubyNotTop contains=@rubyExtendedStringSpecial,@rubyRegexpSpecial,@rubyDeclaration,rubyConditional,rubyExceptional,rubyMethodExceptional,rubyTodo,rubyModuleName,rubyClassName,rubySymbolDelimiter
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>)
" }}}
syn cluster rubyNotTop contains=@rubyCommentNotTop,@rubyStringNotTop,@rubyRegexpSpecial,@rubyDeclaration,@rubyExceptionHandler,rubyConditional,rubyModuleName,rubyClassName,rubySymbolDelimiter
" Whitespace Errors {{{1
if exists("ruby_space_errors")
@@ -61,373 +82,315 @@ endif
" Operators {{{1
if exists("ruby_operators")
syn match rubyOperator "[~!^|*/%+-]\|&\.\@!\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@1<!>\|\*\*\|\.\.\.\|\.\.\|::"
syn match rubyOperator "->\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!="
syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@2<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop
syn match rubyDotOperator "\.\|&\." containedin=rubyKeywordAsMethod
syn match rubyTernaryOperator "[[:alnum:]]\@1<!?\|:"
syn match rubyArithmeticOperator "\*\*\|[*/%+]\|->\@!"
syn match rubyComparisonOperator "<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<<\@!\|>=\|[-=]\@1<!>"
syn match rubyBitwiseOperator "[~^|]\|&\.\@!\|\%(class\s*\)\@<!<<\|>>"
syn match rubyBooleanOperator "[[:alnum:]]\@1<!!\|&&\|||"
syn match rubyRangeOperator "\.\.\.\="
syn match rubyAssignmentOperator "=>\@!\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|||=\||=\|%=\|+=\|>>=\|<<=\|\^="
syn match rubyEqualityOperator "===\|==\|!=\|!\~\|=\~"
syn match rubyScopeOperator "::"
syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@2<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop
syn cluster rubyOperator contains=ruby.*Operator
endif
" Expression Substitution and Backslash Notation {{{1
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
" String Interpolation and Backslash Notation {{{1
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 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 rubyDelimiterEscape "\\[(<{\[)>}\]]" transparent display contained contains=NONE
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}\|\\\=\S\)" contained display
syn match rubyBackslashEscape "\\\\" contained display
syn match rubyQuoteEscape "\\'" contained display
syn match rubySpaceEscape "\\ " contained display
syn match rubyParenthesesEscape "\\[()]" contained display
syn match rubyCurlyBracesEscape "\\[{}]" contained display
syn match rubyAngleBracketsEscape "\\[<>]" contained display
syn match rubySquareBracketsEscape "\\[[\]]" contained display
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
syn cluster rubySingleCharEscape contains=rubyBackslashEscape,rubyQuoteEscape,rubySpaceEscape,rubyParenthesesEscape,rubyCurlyBracesEscape,rubyAngleBracketsEscape,rubySquareBracketsEscape
syn cluster rubyNestedBrackets contains=rubyNested.\+
syn cluster rubyStringSpecial contains=rubyInterpolation,rubyStringEscape
syn cluster rubyStringNotTop contains=@rubyStringSpecial,@rubyNestedBrackets,@rubySingleCharEscape
" Regular Expression Metacharacters {{{1
" 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 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 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
syn cluster rubyRegexpSpecial contains=@rubyStringSpecial,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment,rubyRegexpIntersection
" Numbers and ASCII Codes {{{1
syn match rubyASCIICode "\%(\w\|[]})\"'/]\)\@1<!\%(?\%(\\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\+\)*r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>" display
syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>" display
syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)r\=i\=\>" display
" Numbers {{{1
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>" display
syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>" display
syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>" display
syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)i\=\>" display
" Identifiers {{{1
syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent
syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!]\=" contains=NONE display transparent
syn match rubyBlockArgument "&[_[:lower:]][_[:alnum:]]" contains=NONE display transparent
syn match rubyClassName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
syn match rubyModuleName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
syn match rubyConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\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
syn match rubyClassName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
syn match rubyModuleName "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
syn match rubyConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\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
if s:foldable(':')
syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold
else
syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial
endif
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*(\)*\s*(\@="
syn match rubyCapitalizedMethod "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@="
syn match rubyBlockParameter "\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" contained
syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\_s*\)\@32<=|" end="|" oneline display contains=rubyBlockParameter
syn match rubyInvalidVariable "$[^ A-Za-z_-]"
syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~]#
syn match rubyPredefinedVariable "$\d\+" display
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
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\|FALSE\|NIL\|STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!"
syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(RUBY_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!"
" Normal Regular Expression {{{1
if s:foldable('/')
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold
else
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial
endif
" Deprecated/removed in 1.9
syn match rubyPredefinedVariable "$="
syn match rubyPredefinedVariable "$-K\>" display
syn match rubyPredefinedVariable "$\%(deferr\|defout\)\>" display
syn match rubyPredefinedVariable "$KCODE\>" display
" Generalized Regular Expression {{{1
if s:foldable('%')
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" 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,rubyDelimiterEscape 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
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z(\s\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold
else
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@rubyRegexpSpecial
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@rubyRegexpSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@rubyRegexpSpecial
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@rubyRegexpSpecial
syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z(\s\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
endif
syn cluster rubyGlobalVariable contains=rubyGlobalVariable,rubyPredefinedVariable,rubyGlobalVariableError
" Normal String {{{1
" 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\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!" 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\|[]})\"'/]\)\@1<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
syn match rubyCharacter "\%(\w\|[]})\"'/]\)\@1<!?\\u\%(\x\{4}\|{\x\{1,6}}\)"
" Normal Strings {{{1
let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : ''
exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" ' .
\ (s:foldable('%') ? 'fold' : '') . ' contains=@rubyStringSpecial' . s:spell_cluster
exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''" ' .
\ (s:foldable('%') ? 'fold' : '') . ' contains=rubyQuoteEscape' . s:spell_cluster
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
if s:foldable('%')
syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold
else
syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial
endif
SynFold 'string' syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial
" Generalized Single Quoted String, Symbol and Array of Strings {{{1
if s:foldable('%')
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,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw](" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%q\z(\s\)" end="\z1" skip="\\\\\|\\\z1" fold
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,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s(" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%s\z(\s\)" end="\z1" skip="\\\\\|\\\z1" fold
else
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]{" end="}" skip="\\\\\|\\}" contains=rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]<" end=">" skip="\\\\\|\\>" contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\[" end="\]" skip="\\\\\|\\\]" contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[qw](" end=")" skip="\\\\\|\\)" contains=rubyNestedParentheses,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%q\z(\s\)" end="\z1" skip="\\\\\|\\\z1"
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s{" end="}" skip="\\\\\|\\}" contains=rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s<" end=">" skip="\\\\\|\\>" contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\[" end="\]" skip="\\\\\|\\\]" contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s(" end=")" skip="\\\\\|\\)" contains=rubyNestedParentheses,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%s\z(\s\)" end="\z1" skip="\\\\\|\\\z1"
endif
" Generalized Single Quoted Strings, Symbols, Array of Strings and Array of Symbols {{{1
" Generalized Double Quoted String and Array of Strings and Shell Command Output {{{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,rubyCurlyBracesEscape,rubyNestedCurlyBraces
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q<" end=">" skip="\\\\\|\\>" contains=rubyBackslashEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q\[" end="\]" skip="\\\\\|\\\]" contains=rubyBackslashEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q(" end=")" skip="\\\\\|\\)" contains=rubyBackslashEscape,rubyParenthesesEscape,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,rubyCurlyBracesEscape,rubyNestedCurlyBraces
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w<" end=">" skip="\\\\\|\\>" contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w\[" end="\]" skip="\\\\\|\\\]" contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w(" end=")" skip="\\\\\|\\)" contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesesEscape,rubyNestedParentheses
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s{" end="}" skip="\\\\\|\\}" contains=rubyBackslashEscape,rubyCurlyBracesEscape,rubyNestedCurlyBraces
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s<" end=">" skip="\\\\\|\\>" contains=rubyBackslashEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s\[" end="\]" skip="\\\\\|\\\]" contains=rubyBackslashEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s(" end=")" skip="\\\\\|\\)" contains=rubyBackslashEscape,rubyParenthesesEscape,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,rubyCurlyBracesEscape,rubyNestedCurlyBraces
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i<" end=">" skip="\\\\\|\\>" contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i\[" end="\]" skip="\\\\\|\\\]" contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i(" end=")" skip="\\\\\|\\)" contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesesEscape,rubyNestedParentheses
" Generalized Double Quoted Strings, Symbols, Array of Strings, Array of Symbols and Shell Command Output {{{1
" Note: %= is not matched here as the beginning of a double quoted string
if s:foldable('%')
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,rubyDelimiterEscape fold
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape fold
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape fold
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape fold
syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx]\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
else
syn region rubyString matchgroup=rubyStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\={" end="}" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape
syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx]\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
endif
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
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
" Array of Symbols {{{1
if s:foldable('%')
" Array of Symbols
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i{" end="}" skip="\\\\\|\\}" fold contains=rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i(" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimiterEscape
" Array of interpolated Symbols
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
" Array of interpolated Symbols
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I{" end="}" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape fold
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape fold
else
" Array of Symbols
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i{" end="}" skip="\\\\\|\\}" contains=rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i<" end=">" skip="\\\\\|\\>" contains=rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\[" end="\]" skip="\\\\\|\\\]" contains=rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i(" end=")" skip="\\\\\|\\)" contains=rubyNestedParentheses,rubyDelimiterEscape
" 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=+$+ oneline contains=ALLBUT,@rubyNotTop
" Array of interpolated Symbols
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I{" end="}" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape
syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape
endif
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
" Here Document {{{1
syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<[-~]\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+ 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
if s:foldable('<<')
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart fold keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
else
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2 matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart keepend
syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
endif
" eRuby Config {{{1
if exists('main_syntax') && main_syntax == 'eruby'
let b:ruby_no_expensive = 1
endif
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,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=rubyClassName,rubyOperator
syn match rubyModuleDeclaration "[^[:space:];#<]\+" contained contains=rubyModuleName,rubyOperator
syn match rubyFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=rubyMethodDeclaration
syn match rubyFunction "\%(\s\|^\)\@1<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2
syn match rubyFunction "\%([[:space:].]\|^\)\@2<=\%(\[\]=\=\|\*\*\|[-+!~]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration
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,rubyOperator
syn match rubyModuleDeclaration "[^[:space:];#<]\+" contained contains=rubyModuleName,rubyOperator
syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyFunction,rubyBlockParameter
syn match rubyMethodName "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=rubyMethodDeclaration
syn match rubyMethodName "\%(\s\|^\)\@1<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\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,rubyBlockParameter
" Keywords {{{1
" 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\|__ENCODING__\|__dir__\|__FILE__\|__LINE__\|__callee__\|__method__\)\>[?!]\@!" " TODO: reorganise
syn match rubyBeginEnd "\<\%(BEGIN\|END\)\>[?!]\@!"
syn match rubyControl "\<\%(and\|break\|in\|next\|not\|or\|redo\|retry\|return\)\>[?!]\@!"
syn match rubyOperator "\<defined?" display
syn match rubyKeyword "\<\%(super\|yield\)\>[?!]\@!"
syn match rubyBoolean "\<\%(true\|false\)\>[?!]\@!"
syn match rubyPseudoVariable "\<\%(nil\|self\|__ENCODING__\|__dir__\|__FILE__\|__LINE__\|__callee__\|__method__\)\>[?!]\@!" " TODO: reorganise
syn match rubyBeginEnd "\<\%(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=rubyFunction skipwhite skipnl
syn match rubyClass "\<class\>" nextgroup=rubyClassDeclaration skipwhite skipnl
syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl
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 skipwhite skipnl
syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl
if s:foldable('def')
syn region rubyMethodBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyMethodBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
endif
if s:foldable('class')
syn region rubyBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop
endif
if s:foldable('module')
syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop
endif
SynFold 'def' syn region rubyMethodBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
SynFold 'class' syn region rubyClassBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop
SynFold 'module' syn region rubyModuleBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop
" modifiers
syn match rubyLineContinuation "\\$" nextgroup=rubyConditionalModifier,rubyRepeatModifier skipwhite skipnl
syn match rubyLineContinuation "\\$" nextgroup=@rubyModifier skipwhite skipnl
syn match rubyConditionalModifier "\<\%(if\|unless\)\>"
syn match rubyRepeatModifier "\<\%(while\|until\)\>"
syn match rubyRescueModifier "\<rescue\>"
if s:foldable('do')
syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
endif
syn cluster rubyModifier contains=rubyConditionalModifier,rubyRepeatModifier,rubyRescueModifier
SynFold 'do' syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
" curly bracket block or hash literal
if s:foldable('{')
syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop
endif
if s:foldable('[')
syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop fold
endif
SynFold '{' syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop
SynFold '[' syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop
" statements without 'do'
if s:foldable('begin')
syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
endif
SynFold 'begin' syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
SynFold 'case' syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
if s:foldable('case')
syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
endif
if s:foldable('if')
syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold
else
syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
endif
SynFold 'if' syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\<then\s\|\%(\<\h\w*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
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
syn match rubyExceptionHandler "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyBlockExpression,rubyDoBlock
syn match rubyExceptionHandler1 "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyModuleBlock,rubyClassBlock,rubyMethodBlock
syn cluster rubyExceptionHandler contains=rubyExceptionHandler,rubyExceptionHandler1
" 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 rubyOptionalDoLine matchgroup=rubyRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\h\w*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\<do\>" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop
if s:foldable('for')
syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold
else
syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine
endif
SynFold 'for' syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\h\w*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine
if !exists("ruby_minlines")
let ruby_minlines = 500
endif
exec "syn sync minlines=" . ruby_minlines
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\|ensure\|then\|when\|end\)\>[?!]\@!"
syn match rubyControl "\<\%(case\|begin\|do\|for\|if\|unless\|while\|until\|else\|elsif\|rescue\|ensure\|then\|when\|end\)\>[?!]\@!"
syn match rubyKeyword "\<\%(alias\|undef\)\>[?!]\@!"
endif
@@ -449,53 +412,62 @@ if !exists("ruby_no_special_methods")
endif
" Comments and Documentation {{{1
syn match rubySharpBang "\%^#!.*" display
syn keyword rubyTodo FIXME NOTE TODO OPTIMIZE HACK REVIEW XXX todo contained
syn match rubyComment "#.*" contains=rubySharpBang,rubySpaceError,rubyTodo,@Spell
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 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
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*$" contains=rubySpaceError,rubyTodo,@Spell
syn region rubyDocumentation start="^=begin\s*$" end="^=end\s*$" contains=rubySpaceError,rubyTodo,@Spell
endif
" {{{1 Useless line continuations
syn match rubyUselessLineContinuation "\%([.:,;{([<>~\*%&^|+=-]\|\w\@1<![?!]\)\s*\zs\\$" nextgroup=rubyUselessLineContinuation skipwhite skipempty
syn match rubyUselessLineContinuation "\\$" nextgroup=rubyUselessLineContinuation skipwhite skipempty contained
" Keyword Nobbling {{{1
" Note: this is a hack to prevent 'keywords' being highlighted as such when called as methods with an explicit receiver
syn match rubyKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%([_[:lower:]][_[:alnum:]]*\|\<\%(BEGIN\|END\)\>\)" transparent contains=NONE
syn match rubyKeywordAsMethod "\(defined?\|exit!\)\@!\<[_[:lower:]][_[:alnum:]]*[?!]" transparent contains=NONE
" More Symbols {{{1
syn match rubySymbol "\%([{(,]\_s*\)\zs\l\w*[!?]\=::\@!"he=e-1
syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="he=e-1
syn match rubySymbol "\%([{(,]\_s*\)\zs[[:space:],{]\l\w*[!?]\=::\@!"hs=s+1,he=e-1
syn match rubySymbol "[[:space:],{(]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="hs=s+1,he=e-1
syn match rubySymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1
syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="he=e-1
syn match rubySymbol "\%([{(,]\_s*\)\@<=[[:space:],{]\l\w*[!?]\=::\@!"hs=s+1,he=e-1
syn match rubySymbol "[[:space:],{(]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="hs=s+1,he=e-1
" __END__ Directive {{{1
if s:foldable('__END__')
syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$" fold
else
syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$"
endif
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 rubyMethodExceptional rubyDefine
hi def link rubyExceptionHandler1 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 rubyExceptional 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 rubyASCIICode Character
hi def link rubyCharacter Character
hi def link rubyFloat Float
hi def link rubyBoolean Boolean
hi def link rubyException Exception
@@ -515,39 +487,66 @@ 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 rubyDotOperator Operator
hi def link rubyTernaryOperator Operator
hi def link rubyArithmeticOperator Operator
hi def link rubyComparisonOperator Operator
hi def link rubyBitwiseOperator Operator
hi def link rubyBooleanOperator Operator
hi def link rubyRangeOperator Operator
hi def link rubyAssignmentOperator Operator
hi def link rubyEqualityOperator Operator
hi def link rubyScopeOperator Operator
hi def link rubyBeginEnd Statement
hi def link rubyEval Statement
hi def link rubyPseudoVariable Constant
hi def link rubyCapitalizedMethod rubyLocalVariableOrMethod
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 rubyParenthesesEscape rubyStringEscape
hi def link rubyCurlyBracesEscape rubyStringEscape
hi def link rubyAngleBracketsEscape rubyStringEscape
hi def link rubySquareBracketsEscape rubyStringEscape
hi def link rubyStringEscape Special
hi def link rubyInterpolationDelimiter Delimiter
hi def link rubyNoInterpolation rubyString
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 rubyRegexpDelimiter rubyStringDelimiter
hi def link rubySymbolDelimiter rubySymbol
hi def link rubyStringDelimiter Delimiter
hi def link rubyHeredoc rubyString
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 rubyInvalidVariable Error
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
@@ -556,6 +555,8 @@ 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:
endif