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" Vim syntax file
" Language:	Stylus
" Maintainer:	Hsiaoming Yang <lepture@me.com>, Marc Harter
" Filenames: *.styl, *.stylus
" Based On: Tim Pope (sass.vim)
" Created:	Dec 14, 2011
" Modified:	Apr 29, 2024

if main_syntax == "css"
  syn sync minlines=10
endif

" let b:current_syntax = "css"
"
if main_syntax == 'css'
  unlet main_syntax
endif

syn case ignore

syn cluster stylusCssSelectors contains=cssTagName,cssSelector,cssPseudo
syn cluster stylusCssValues contains=cssValueLength,cssValueInteger,cssValueNumber,cssValueAngle,cssValueTime,cssValueFrequency,cssColorVal,cssCommonVal,cssFontVal,cssListVal,cssTextVal,cssVisualVal,cssBorderVal,cssBackgroundVal,cssFuncVal,cssAdvancedVal
syn cluster stylusCssProperties contains=cssProp,cssBackgroundProp,cssTableProp,cssBorderProp,cssFontProp,cssColorProp,cssBoxProp,cssTextProp,cssListProp,cssVisualProp,cssAdvancedProp,cssCommonProp,cssSpecialProp

syn match stylusVariable "$\?[[:alnum:]_-]\+"
syn match stylusVariableAssignment "\%([[:alnum:]_-]\+\s*\)\@<==" nextgroup=stylusCssAttribute,stylusVariable skipwhite

syn match stylusProperty "\%([{};]\s*\|^\)\@<=\%([[:alnum:]-]\|#{[^{}]*}\)\+:" contains=@stylusCssProperties,@stylusCssSelectors skipwhite nextgroup=stylusCssAttribute contained containedin=cssDefineBlock
syn match stylusProperty "^\s*\zs\s\%(\%([[:alnum:]-]\|#{[^{}]*}\)\+[ :]\|:[[:alnum:]-]\+\)"hs=s+1 contains=@stylusCssProperties,@stylusCssSelectors skipwhite nextgroup=stylusCssAttribute
syn match stylusProperty "^\s*\zs\s\%(:\=[[:alnum:]-]\+\s*=\)"hs=s+1 contains=@stylusCssProperties,@stylusCssSelectors skipwhite nextgroup=stylusCssAttribute

syn match stylusCssAttribute +\%("\%([^"]\|\\"\)*"\|'\%([^']\|\\'\)*'\|#{[^{}]*}\|[^{};]\)*+ contained contains=@stylusCssValues,cssImportant,stylusFunction,stylusVariable,stylusControl,stylusUserFunction,stylusInterpolation,cssString,stylusComment,cssComment

syn match stylusInterpolation %{[[:alnum:]_-]\+}%

syn match stylusFunction "\<\%(red\|green\|blue\|alpha\|dark\|light\)\>(\@=" contained
syn match stylusFunction "\<\%(hue\|saturation\|lightness\|push\|unshift\|typeof\|unit\|match\)\>(\@=" contained
syn match stylusFunction "\<\%(hsla\|hsl\|rgba\|rgb\|lighten\|darken\)\>(\@=" contained
syn match stylusFunction "\<\%(abs\|ceil\|floor\|round\|min\|max\|even\|odd\|sum\|avg\|sin\|cos\|join\)\>(\@=" contained
syn match stylusFunction "\<\%(desaturate\|saturate\|invert\|unquote\|quote\|s\)\>(\@=" contained
syn match stylusFunction "\<\%(operate\|length\|warn\|error\|last\|p\|\)\>(\@=" contained
syn match stylusFunction "\<\%(opposite-position\|image-size\|add-property\)\>(\@=" contained

syn keyword stylusVariable null true false arguments
syn keyword stylusControl  if else unless for in return

syn match stylusImport "@\%(import\|require\)" nextgroup=stylusImportList
syn match stylusImportList "[^;]\+" contained contains=cssString.*,cssMediaType,cssURL

syn match stylusAmpersand  "&"
syn match stylusClass      "[[:alnum:]_-]\+" contained
syn match stylusClassChar  "\.[[:alnum:]_-]\@=" nextgroup=stylusClass
syn match stylusEscape     "^\s*\zs\\"
syn match stylusId         "[[:alnum:]_-]\+" contained
syn match stylusIdChar     "#[[:alnum:]_-]\@=" nextgroup=stylusId

syn region stylusComment    start="//" end="$" contains=cssTodo,@Spell fold

let b:current_syntax = "stylus"

" vim:set sw=2: