diff options
Diffstat (limited to 'runtime/syntax/ruby.vim')
| -rw-r--r-- | runtime/syntax/ruby.vim | 439 |
1 files changed, 310 insertions, 129 deletions
diff --git a/runtime/syntax/ruby.vim b/runtime/syntax/ruby.vim index 28f553dec..ca7f51b1e 100644 --- a/runtime/syntax/ruby.vim +++ b/runtime/syntax/ruby.vim @@ -9,16 +9,45 @@ " Thanks to perl.vim authors, and to Reimer Behrends. :-) (MN) " ---------------------------------------------------------------------------- +" Prelude {{{1 if exists("b:current_syntax") finish endif +" this file uses line continuations +let s:cpo_sav = &cpo +set cpo&vim + +" 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\+$" @@ -28,14 +57,14 @@ if exists("ruby_space_errors") endif endif -" Operators +" Operators {{{1 if exists("ruby_operators") - syn match rubyOperator "[~!^&|*/%+-]\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@<!>\|\*\*\|\.\.\.\|\.\.\|::" + syn match rubyOperator "[~!^|*/%+-]\|&\.\@!\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\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 @@ -45,18 +74,19 @@ 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 @@ -79,36 +109,40 @@ 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\|[]})\"'/]\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)" -syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*\>" display -syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\>" display -syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*\>" display -syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*\>" display -syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\>" display -syn match rubyFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)\>" display +" 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 -" 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*\zs\u\w*\%(\>\|::\)\@=\%(\s*(\)\@!" +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 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 "[]})\"':]\@<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" -syn match rubySymbol "[]})\"':]\@<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" -syn match rubySymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1 -syn match rubySymbol "[]})\"':]\@<!\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:\s\@="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]\)*[!?]\=:\s\@="hs=s+1,he=e-1 -syn region rubySymbol start="[]})\"':]\@<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape fold -syn region rubySymbol start="[]})\"':]\@<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold +syn match rubySymbol "[]})\"':]\@1<!:\%(\^\|\~@\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" +syn match rubySymbol "[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)" +syn match rubySymbol "[]})\"':]\@1<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" +syn match rubySymbol "[]})\"':]\@1<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" + +if s:foldable(':') + syn region rubySymbol start="[]})\"':]\@1<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape fold + syn region rubySymbol start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold +else + syn region rubySymbol start="[]})\"':]\@1<!:'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape + syn region rubySymbol start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial +endif + +syn match rubyCapitalizedMethod "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)*\s*(\@=" syn match rubyBlockParameter "\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" contained -syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\s*\)\@<=|" end="|" oneline display contains=rubyBlockParameter +syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\_s*\)\@32<=|" end="|" oneline display contains=rubyBlockParameter syn match rubyInvalidVariable "$[^ A-Za-z_-]" syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~]# @@ -117,93 +151,187 @@ syn match rubyPredefinedVariable "$_\>" display syn match rubyPredefinedVariable "$-[0FIKadilpvw]\>" display syn match rubyPredefinedVariable "$\%(deferr\|defout\|stderr\|stdin\|stdout\)\>" display syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display -syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!" -syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(DATA\|FALSE\|NIL\)\>\%(\s*(\)\@!" -syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!" -syn match rubyPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(RUBY_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\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 - -" Generalized Regular Expression -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.? /]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@rubyRegexpSpecial fold -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@rubyRegexpSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@rubyRegexpSpecial fold -syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@rubyRegexpSpecial fold - -" Normal String and Shell Command Output -syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial,@Spell fold -syn region rubyString matchgroup=rubyStringDelimiter start="'" end="'" skip="\\\\\|\\'" contains=rubyQuoteEscape,@Spell fold -syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold - -" Generalized Single Quoted String, Symbol and Array of Strings -syn region rubyString matchgroup=rubyStringDelimiter start="%[qwi]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[qwi]{" end="}" skip="\\\\\|\\}" fold contains=rubyNestedCurlyBraces,rubyDelimEscape -syn region rubyString matchgroup=rubyStringDelimiter start="%[qwi]<" end=">" skip="\\\\\|\\>" fold contains=rubyNestedAngleBrackets,rubyDelimEscape -syn region rubyString matchgroup=rubyStringDelimiter start="%[qwi]\[" end="\]" skip="\\\\\|\\\]" fold contains=rubyNestedSquareBrackets,rubyDelimEscape -syn region rubyString matchgroup=rubyStringDelimiter start="%[qwi](" end=")" skip="\\\\\|\\)" fold contains=rubyNestedParentheses,rubyDelimEscape -syn region rubyString matchgroup=rubyStringDelimiter start="%q " end=" " skip="\\\\\|\\)" 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 - -" Generalized Double Quoted String and Array of Strings and Shell Command Output +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 + +" 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 {{{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 + +" 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="%[QWIx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[QWIx]\={" end="}" skip="\\\\\|\\}" contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimEscape fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[QWIx]\=<" end=">" skip="\\\\\|\\>" contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimEscape fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[QWIx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimEscape fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[QWIx]\=(" end=")" skip="\\\\\|\\)" contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimEscape fold -syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx] " end=" " skip="\\\\\|\\)" contains=@rubyStringSpecial fold - -" Here Document -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 - -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$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend +if s:foldable('%') + syn region rubyString matchgroup=rubyStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)" 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\)\@<!<<[-~]\=\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 end +" 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=rubyConstant,rubyOperator syn match rubyModuleDeclaration "[^[:space:];#<]\+" contained contains=rubyConstant,rubyOperator syn match rubyFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=rubyMethodDeclaration -syn match rubyFunction "\%(\s\|^\)\@<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2 -syn match rubyFunction "\%([[:space:].]\|^\)\@<=\%(\[\]=\=\|\*\*\|[+-]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration +syn 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\)\>[?!]\@!" syn match rubyOperator "\<defined?" display syn match rubyKeyword "\<\%(super\|yield\)\>[?!]\@!" syn match rubyBoolean "\<\%(true\|false\)\>[?!]\@!" -syn match rubyPseudoVariable "\<\%(nil\|self\|__ENCODING__\|__FILE__\|__LINE__\|__callee__\|__method__\)\>[?!]\@!" " TODO: reorganise +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 "\<alias\>" nextgroup=rubyAliasDeclaration skipwhite skipnl syn match rubyDefine "\<def\>" nextgroup=rubyMethodDeclaration skipwhite skipnl @@ -211,23 +339,66 @@ if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive") syn match rubyClass "\<class\>" nextgroup=rubyClassDeclaration skipwhite skipnl syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl - syn region rubyMethodBlock start="\<def\>" matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold - syn region rubyBlock start="\<class\>" matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop fold - syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop fold + 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 " 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="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop + endif - syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<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\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop fold + if s:foldable('{') + syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop + endif + + if s:foldable('[') + syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop fold + else + syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop + endif " statements without 'do' - syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold - syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold - syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold + 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 + + 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 syn match rubyConditional "\<\%(then\|else\|when\)\>[?!]\@!" contained containedin=rubyCaseExpression syn match rubyConditional "\<\%(then\|else\|elsif\)\>[?!]\@!" contained containedin=rubyConditionalExpression @@ -237,7 +408,12 @@ if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive") " statements with optional 'do' syn region rubyOptionalDoLine matchgroup=rubyRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\%(\<do\>\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop - syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold + + if 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 if !exists("ruby_minlines") let ruby_minlines = 500 @@ -252,7 +428,7 @@ 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 @@ -263,40 +439,40 @@ if !exists("ruby_no_special_methods") syn keyword rubyException raise fail catch throw " false positive with 'include?' syn match rubyInclude "\<include\>[?!]\@!" - syn keyword rubyInclude autoload extend load prepend require require_relative + syn keyword rubyInclude autoload extend load prepend refine require require_relative using 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 XXX todo contained +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") - syn region rubyMultilineComment start="\%(\%(^\s*#.*\n\)\@<!\%(^\s*#.*\n\)\)\%(\(^\s*#.*\n\)\{1,}\)\@=" end="\%(^\s*#.*\n\)\@<=\%(^\s*#.*\n\)\%(^\s*#\)\@!" contains=rubyComment transparent fold keepend +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 "\%(\%(\.\@<!\.\)\|::\)\_s*\%(alias\|and\|begin\|break\|case\|class\|def\|defined\|do\|else\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(elsif\|end\|ensure\|false\|for\|if\|in\|module\|next\|nil\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(not\|or\|redo\|rescue\|retry\|return\|self\|super\|then\|true\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(undef\|unless\|until\|when\|while\|yield\|BEGIN\|END\|__FILE__\|__LINE__\)\>" transparent contains=NONE - -syn match rubyKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)[?!]" transparent contains=NONE -syn match rubyKeywordAsMethod "\<\%(if\|module\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE - -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(abort\|at_exit\|attr\|attr_accessor\|attr_reader\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(attr_writer\|autoload\|callcc\|catch\|caller\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(eval\|class_eval\|instance_eval\|module_eval\|exit\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(extend\|fail\|fork\|include\|lambda\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(load\|loop\|prepend\|private\|proc\|protected\)\>" transparent contains=NONE -syn match rubyKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(public\|require\|require_relative\|raise\|throw\|trap\)\>" transparent contains=NONE - -" __END__ Directive -syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$" fold +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 + +" __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 +" Default Highlighting {{{1 hi def link rubyClass rubyDefine hi def link rubyModule rubyDefine hi def link rubyMethodExceptional rubyDefine @@ -336,6 +512,7 @@ hi def link rubyAccess Statement hi def link rubyAttribute Statement hi def link rubyEval Statement hi def link rubyPseudoVariable Constant +hi def link rubyCapitalizedMethod rubyLocalVariableOrMethod hi def link rubyComment Comment hi def link rubyData Comment @@ -349,7 +526,7 @@ hi def link rubyInterpolationDelimiter Delimiter hi def link rubyNoInterpolation rubyString hi def link rubySharpBang PreProc hi def link rubyRegexpDelimiter rubyStringDelimiter -hi def link rubySymbolDelimiter rubyStringDelimiter +hi def link rubySymbolDelimiter rubySymbol hi def link rubyStringDelimiter Delimiter hi def link rubyHeredoc rubyString hi def link rubyString String @@ -366,6 +543,10 @@ hi def link rubyInvalidVariable Error hi def link rubyError Error hi def link rubySpaceError rubyError +" Postscript {{{1 let b:current_syntax = "ruby" -" vim: nowrap sw=2 sts=2 ts=8 noet: +let &cpo = s:cpo_sav +unlet! s:cpo_sav + +" vim: nowrap sw=2 sts=2 ts=8 noet fdm=marker: |