From 44b3d860cb85ccb4edd52fb0dcf6a4102d12e82a Mon Sep 17 00:00:00 2001 From: Adam Stankiewicz Date: Tue, 31 May 2016 01:53:12 +0200 Subject: Update --- syntax/ruby.vim | 387 +++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 270 insertions(+), 117 deletions(-) (limited to 'syntax/ruby.vim') diff --git a/syntax/ruby.vim b/syntax/ruby.vim index 3a6ef484..0f23fc17 100644 --- a/syntax/ruby.vim +++ b/syntax/ruby.vim @@ -11,16 +11,41 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1 " Thanks to perl.vim authors, and to Reimer Behrends. :-) (MN) " ---------------------------------------------------------------------------- +" Prelude {{{1 if exists("b:current_syntax") finish endif +" Folding Config {{{1 if has("folding") && exists("ruby_fold") setlocal foldmethod=syntax endif +let s:foldable_groups = split( + \ get( + \ b:, + \ 'ruby_foldable_groups', + \ get(g:, 'ruby_foldable_groups', 'ALL') + \ ) + \ ) + +function! s:foldable(...) abort + if index(s:foldable_groups, 'ALL') > -1 + return 1 + endif + + for l:i in a:000 + if index(s:foldable_groups, l:i) > -1 + return 1 + endif + endfor + + return 0 +endfunction " }}} + syn cluster rubyNotTop contains=@rubyExtendedStringSpecial,@rubyRegexpSpecial,@rubyDeclaration,rubyConditional,rubyExceptional,rubyMethodExceptional,rubyTodo +" Whitespace Errors {{{1 if exists("ruby_space_errors") if !exists("ruby_no_trail_space_error") syn match rubySpaceError display excludenl "\s\+$" @@ -30,14 +55,14 @@ if exists("ruby_space_errors") endif endif -" Operators +" Operators {{{1 if exists("ruby_operators") - syn match rubyOperator "[~!^|*/%+-]\|&\.\@!\|\%(class\s*\)\@\|<=\|\%(<\|\>\|>=\|=\@\|\*\*\|\.\.\.\|\.\.\|::" + syn match rubyOperator "[~!^|*/%+-]\|&\.\@!\|\%(class\s*\)\@\|<=\|\%(<\|\>\|>=\|=\@1\|\*\*\|\.\.\.\|\.\.\|::" syn match rubyOperator "->\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!=" - syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop + syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@2<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop endif -" Expression Substitution and Backslash Notation +" 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 @@ -47,18 +72,19 @@ syn match rubyInterpolation "#\%(\$\|@@\=\)\w\+" display contained con 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 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 match rubyDelimiterEscape "\\[(<{\[)>}\]]" 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 +" 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 @@ -81,8 +107,8 @@ syn cluster rubyStringSpecial contains=rubyInterpolation,rubyNoInterpolati 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\|[]})\"'/]\)\@" display syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@" display syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@" display @@ -90,20 +116,26 @@ syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@" display syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@" display -" Identifiers +" Identifiers {{{1 syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent syn match rubyBlockArgument "&[_[:lower:]][_[:alnum:]]" contains=NONE display transparent syn match rubyConstant "\%(\%(^\|[^.]\)\.\s*\)\@\%(\s*(\)\@!" syn match rubyClassVariable "@@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display -syn match rubyInstanceVariable "@\%(\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 rubySymbol "[]})\"':]\@\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" -syn match rubySymbol "[]})\"':]\@_,;:!?/.'"@$*\&+0]\)" -syn match rubySymbol "[]})\"':]\@\@!\)\=" -syn region rubySymbol start="[]})\"':]\@\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" +syn match rubySymbol "[]})\"':]\@1_,;:!?/.'"@$*\&+0]\)" +syn match rubySymbol "[]})\"':]\@1\@!\)\=" + +if s:foldable(':') + syn region rubySymbol start="[]})\"':]\@1\%(\s*(\)*\s*(\@=" @@ -120,96 +152,172 @@ syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|L syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@\%(\s*(\)\@!" syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@\%(\s*(\)\@!" -" 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 fold -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/[ \t=]\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold +" 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 -" 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 -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z(\s\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold +" 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 -" Normal String +" Normal String {{{1 let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : '' -exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" fold contains=@rubyStringSpecial' . s:spell_cluster -exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''" fold contains=rubyQuoteEscape' . s:spell_cluster - -" Shell Command Output -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 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,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 -syn region rubyString matchgroup=rubyStringDelimiter start="%s\z(\s\)" end="\z1" skip="\\\\\|\\\z1" fold - -" Generalized Double Quoted String and Array of Strings and Shell Command Output +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 + +" 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 + +" 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 Double Quoted String and Array of Strings and Shell Command Output {{{1 " 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 -syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx]\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold - -" 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,rubyDelimEscape -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimEscape -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimEscape -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i(" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimEscape - -" 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,rubyDelimEscape fold -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape fold -syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimEscape fold - -" Here Document +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 + +" 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 + 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 + + " 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 + +" Here Document {{{1 syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,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 cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyFunction,rubyBlockParameter -" Keywords +" 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\)\>[?!]\@!" @@ -219,8 +327,9 @@ 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 - match 'end' with the appropriate opening keyword for syntax -" based folding and special highlighting of module/class/method definitions +" 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 "\" nextgroup=rubyAliasDeclaration skipwhite skipnl syn match rubyDefine "\" nextgroup=rubyMethodDeclaration skipwhite skipnl @@ -228,23 +337,66 @@ if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive") syn match rubyClass "\" nextgroup=rubyClassDeclaration skipwhite skipnl syn match rubyModule "\" nextgroup=rubyModuleDeclaration skipwhite skipnl - syn region rubyMethodBlock start="\" matchgroup=rubyDefine end="\%(\" contains=ALLBUT,@rubyNotTop fold - syn region rubyBlock start="\" matchgroup=rubyClass end="\" contains=ALLBUT,@rubyNotTop fold - syn region rubyBlock start="\" matchgroup=rubyModule end="\" contains=ALLBUT,@rubyNotTop fold + if s:foldable('def') + syn region rubyMethodBlock start="\" matchgroup=rubyDefine end="\%(\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyMethodBlock start="\" matchgroup=rubyDefine end="\%(\" contains=ALLBUT,@rubyNotTop + endif + + if s:foldable('class') + syn region rubyBlock start="\" matchgroup=rubyClass end="\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyBlock start="\" matchgroup=rubyClass end="\" contains=ALLBUT,@rubyNotTop + endif + + if s:foldable('module') + syn region rubyBlock start="\" matchgroup=rubyModule end="\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyBlock start="\" matchgroup=rubyModule end="\" contains=ALLBUT,@rubyNotTop + endif " modifiers - syn match rubyConditionalModifier "\<\%(if\|unless\)\>" display - syn match rubyRepeatModifier "\<\%(while\|until\)\>" display + syn match rubyLineContinuation "\\$" nextgroup=rubyConditionalModifier,rubyRepeatModifier skipwhite skipnl + syn match rubyConditionalModifier "\<\%(if\|unless\)\>" + syn match rubyRepeatModifier "\<\%(while\|until\)\>" + + if s:foldable('do') + syn region rubyDoBlock matchgroup=rubyControl start="\" end="\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyDoBlock matchgroup=rubyControl start="\" end="\" contains=ALLBUT,@rubyNotTop + endif - syn region rubyDoBlock matchgroup=rubyControl start="\" end="\" contains=ALLBUT,@rubyNotTop fold " curly bracket block or hash literal - syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop fold - syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@" end="\" contains=ALLBUT,@rubyNotTop fold - syn region rubyCaseExpression matchgroup=rubyConditional start="\" end="\" contains=ALLBUT,@rubyNotTop fold - syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" end="\%(\%(\%(\.\@" contains=ALLBUT,@rubyNotTop fold + if s:foldable('begin') + syn region rubyBlockExpression matchgroup=rubyControl start="\" end="\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyBlockExpression matchgroup=rubyControl start="\" end="\" contains=ALLBUT,@rubyNotTop + endif + + if s:foldable('case') + syn region rubyCaseExpression matchgroup=rubyConditional start="\" end="\" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyCaseExpression matchgroup=rubyConditional start="\" end="\" contains=ALLBUT,@rubyNotTop + endif + + if s:foldable('if') + syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" end="\%(\%(\%(\.\@1" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" end="\%(\%(\%(\.\@1" contains=ALLBUT,@rubyNotTop + endif syn match rubyConditional "\<\%(then\|else\|when\)\>[?!]\@!" contained containedin=rubyCaseExpression syn match rubyConditional "\<\%(then\|else\|elsif\)\>[?!]\@!" contained containedin=rubyConditionalExpression @@ -254,7 +406,12 @@ if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive") " statements with optional 'do' syn region rubyOptionalDoLine matchgroup=rubyRepeat start="\[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" matchgroup=rubyOptionalDo end="\%(\\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop - syn region rubyRepeatExpression start="\[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" matchgroup=rubyRepeat end="\" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold + + if s:foldable('for') + syn region rubyRepeatExpression start="\[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" matchgroup=rubyRepeat end="\" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold + else + syn region rubyRepeatExpression start="\[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@" matchgroup=rubyRepeat end="\" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine + endif if !exists("ruby_minlines") let ruby_minlines = 500 @@ -269,7 +426,7 @@ else syn match rubyKeyword "\<\%(alias\|undef\)\>[?!]\@!" endif -" Special Methods +" Special Methods {{{1 if !exists("ruby_no_special_methods") syn keyword rubyAccess public protected private public_class_method private_class_method public_constant private_constant module_function " attr is a common variable name @@ -284,41 +441,36 @@ if !exists("ruby_no_special_methods") syn keyword rubyKeyword callcc caller lambda proc endif -" Comments and Documentation +" 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 -if !exists("ruby_no_comment_fold") +if !exists("ruby_no_comment_fold") && s:foldable('#') syn region rubyMultilineComment start="^\s*#.*\n\%(^\s*#\)\@=" end="^\s*#.*\n\%(^\s*#\)\@!" contains=rubyComment transparent fold keepend syn region rubyDocumentation start="^=begin\ze\%(\s.*\)\=$" end="^=end\%(\s.*\)\=$" contains=rubySpaceError,rubyTodo,@Spell fold else syn region rubyDocumentation start="^=begin\s*$" end="^=end\s*$" contains=rubySpaceError,rubyTodo,@Spell endif +" 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 "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE - -syn match rubyKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)[?!]" transparent contains=NONE -syn match rubyKeywordAsMethod "\<\%(if\|module\|refine\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE - -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@" transparent contains=NONE +syn match rubyKeywordAsMethod "\%(\%(\.\@1\)" transparent contains=NONE +syn match rubyKeywordAsMethod "\(defined?\|exit!\)\@!\<[_[:lower:]][_[:alnum:]]*[?!]" transparent contains=NONE +" More Symbols {{{1 syn match rubySymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1 -syn match rubySymbol "[]})\"':]\@