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Jeffrey Crochet committed Feb 24, 2020
1 parent 580627a commit ef34769
Showing 1 changed file with 25 additions and 22 deletions.
47 changes: 25 additions & 22 deletions syntax/crystal.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -92,10 +92,10 @@ syn match crystalNoInterpolation "\\#\$\W" display contained

syn match crystalDelimEscape "\\[(<{\[)>}\]]" transparent display contained contains=NONE

syn region crystalNestedParentheses start="(" skip="\\\\\|\\)" matchgroup=crystalString end=")" transparent contained
syn region crystalNestedCurlyBraces start="{" skip="\\\\\|\\}" matchgroup=crystalString end="}" transparent contained
syn region crystalNestedAngleBrackets start="<" skip="\\\\\|\\>" matchgroup=crystalString end=">" transparent contained
syn region crystalNestedSquareBrackets start="\[" skip="\\\\\|\\\]" matchgroup=crystalString end="\]" transparent contained
syn region crystalNestedParentheses matchgroup=crystalString start="(" skip="\\\\\|\\)" end=")" transparent contained
syn region crystalNestedCurlyBraces matchgroup=crystalString start="{" skip="\\\\\|\\}" end="}" transparent contained
syn region crystalNestedAngleBrackets matchgroup=crystalString start="<" skip="\\\\\|\\>" end=">" transparent contained
syn region crystalNestedSquareBrackets matchgroup=crystalString start="\[" skip="\\\\\|\\\]" end="\]" transparent contained

" These are mostly Oniguruma ready
syn region crystalRegexpComment matchgroup=crystalRegexpSpecial start="(?#" skip="\\)" end=")" contained
Expand Down Expand Up @@ -195,27 +195,30 @@ SynFold 'string' syn region crystalString matchgroup=crystalStringDelimiter star
syn match crystalCharLiteral "'\%([^\\]\|\\[abefnrstv'\\]\|\\\o\{1,3}\|\\x\x\{1,2}\|\\u\x\{4}\)'" contains=crystalStringEscape display

" Generalized Single Quoted String, Symbol and Array of Strings
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]{" end="}" skip="\\\\\|\\}" contains=crystalNestedCurlyBraces,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]<" end=">" skip="\\\\\|\\>" contains=crystalNestedAngleBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]\[" end="\]" skip="\\\\\|\\\]" contains=crystalNestedSquareBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi](" end=")" skip="\\\\\|\\)" contains=crystalNestedParentheses,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q " end=" " skip="\\\\\|\\)"
SynFold '%' syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s\z([~`!@#$%^&*_\-+=|\:;"',.? /]\)" end="\z1" skip="\\\\\|\\\z1"
SynFold '%' syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s{" end="}" skip="\\\\\|\\}" contains=crystalNestedCurlyBraces,crystalDelimEscape
SynFold '%' syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s<" end=">" skip="\\\\\|\\>" contains=crystalNestedAngleBrackets,crystalDelimEscape
SynFold '%' syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s\[" end="\]" skip="\\\\\|\\\]" contains=crystalNestedSquareBrackets,crystalDelimEscape
SynFold '%' syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s(" end=")" skip="\\\\\|\\)" contains=crystalNestedParentheses,crystalDelimEscape
syn region crystalNestedRawParentheses matchgroup=crystalString start="(" end=")" transparent contained
syn region crystalNestedRawCurlyBraces matchgroup=crystalString start="{" end="}" transparent contained
syn region crystalNestedRawAngleBrackets matchgroup=crystalString start="<" end=">" transparent contained
syn region crystalNestedRawSquareBrackets matchgroup=crystalString start="\[" end="\]" transparent contained

SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q(" end=")" contains=crystalNestedRawParentheses
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q{" end="}" contains=crystalNestedRawCurlyBraces
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q<" end=">" contains=crystalNestedRawAngleBrackets
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q\[" end="\]" contains=crystalNestedRawSquareBrackets
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%q|" end="|"

SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[wi](" end=")" skip="\\\\\|\\)" contains=crystalNestedParentheses,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[wi]{" end="}" skip="\\\\\|\\}" contains=crystalNestedCurlyBraces,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[wi]<" end=">" skip="\\\\\|\\>" contains=crystalNestedAngleBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[wi]\[" end="\]" skip="\\\\\|\\\]" contains=crystalNestedSquareBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[wi]|" end="|" skip="\\\\\|\\|" contains=crystalDelimEscape

" Generalized Double Quoted String and Array of Strings and Shell Command Output
" Note: %= is not matched here as the beginning of a double quoted string
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@crystalStringSpecial
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@crystalStringSpecial
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\={" end="}" skip="\\\\\|\\}" contains=@crystalStringSpecial,crystalNestedCurlyBraces,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=<" end=">" skip="\\\\\|\\>" contains=@crystalStringSpecial,crystalNestedAngleBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@crystalStringSpecial,crystalNestedSquareBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=(" end=")" skip="\\\\\|\\)" contains=@crystalStringSpecial,crystalNestedParentheses,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx] " end=" " skip="\\\\\|\\)" contains=@crystalStringSpecial
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx]\=(" end=")" skip="\\\\\|\\)" contains=@crystalStringSpecial,crystalNestedParentheses,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx]\={" end="}" skip="\\\\\|\\}" contains=@crystalStringSpecial,crystalNestedCurlyBraces,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx]\=<" end=">" skip="\\\\\|\\>" contains=@crystalStringSpecial,crystalNestedAngleBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@crystalStringSpecial,crystalNestedSquareBrackets,crystalDelimEscape
SynFold '%' syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx]\=|" end="|" skip="\\\\\|\\|" contains=@crystalStringSpecial,crystalDelimEscape

" Here Document
syn region crystalHeredocStart matchgroup=crystalStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+ end=+$+ oneline contains=ALLBUT,@crystalNotTop
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