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" Vim syntax file
" Language: Sass
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Filenames: *.sass
" Last Change: 2022 Mar 15
if exists("b:current_syntax")
finish
endif
runtime! syntax/css.vim
syn case ignore
syn cluster sassCssProperties contains=cssFontProp,cssFontDescriptorProp,cssColorProp,cssTextProp,cssBoxProp,cssGeneratedContentProp,cssPagingProp,cssUIProp,cssRenderProp,cssAuralProp,cssTableProp
syn cluster sassCssAttributes contains=css.*Attr,sassEndOfLineComment,scssComment,cssValue.*,cssColor,cssURL,sassDefault,cssImportant,cssError,cssStringQ,cssStringQQ,cssFunction,cssUnicodeEscape,cssRenderProp
syn region sassDefinition matchgroup=cssBraces start="{" end="}" contains=TOP
syn match sassProperty "\%([{};]\s*\|^\)\@<=\%([[:alnum:]-]\|#{[^{}]*}\)\+\s*:" contains=css.*Prop skipwhite nextgroup=sassCssAttribute contained containedin=sassDefinition
syn match sassProperty "^\s*\zs\s\%(\%([[:alnum:]-]\|#{[^{}]*}\)\+\s*:\|:[[:alnum:]-]\+\)"hs=s+1 contains=css.*Prop skipwhite nextgroup=sassCssAttribute
syn match sassProperty "^\s*\zs\s\%(:\=[[:alnum:]-]\+\s*=\)"hs=s+1 contains=css.*Prop skipwhite nextgroup=sassCssAttribute
syn match sassCssAttribute +\%("\%([^"]\|\\"\)*"\|'\%([^']\|\\'\)*'\|#{[^{}]*}\|[^{};]\)*+ contained contains=@sassCssAttributes,sassVariable,sassFunction,sassInterpolation
syn match sassFlag "!\%(default\|global\|optional\)\>" contained
syn match sassVariable "$[[:alnum:]_-]\+"
syn match sassVariableAssignment "\%([!$][[:alnum:]_-]\+\s*\)\@<=\%(||\)\==" nextgroup=sassCssAttribute skipwhite
syn match sassVariableAssignment "\%([!$][[:alnum:]_-]\+\s*\)\@<=:" nextgroup=sassCssAttribute skipwhite
syn match sassFunction "\<\%(rgb\|rgba\|red\|green\|blue\|mix\)\>(\@=" contained
syn match sassFunction "\<\%(hsl\|hsla\|hue\|saturation\|lightness\|adjust-hue\|lighten\|darken\|saturate\|desaturate\|grayscale\|complement\)\>(\@=" contained
syn match sassFunction "\<\%(alpha\|opacity\|rgba\|opacify\|fade-in\|transparentize\|fade-out\)\>(\@=" contained
syn match sassFunction "\<\%(unquote\|quote\)\>(\@=" contained
syn match sassFunction "\<\%(percentage\|round\|ceil\|floor\|abs\)\>(\@=" contained
syn match sassFunction "\<\%(type-of\|unit\|unitless\|comparable\)\>(\@=" contained
syn region sassInterpolation matchgroup=sassInterpolationDelimiter start="#{" end="}" contains=@sassCssAttributes,sassVariable,sassFunction containedin=cssStringQ,cssStringQQ,cssPseudoClass,sassProperty
syn match sassMixinName "[[:alnum:]_-]\+" contained nextgroup=sassCssAttribute
syn match sassMixin "^=" nextgroup=sassMixinName skipwhite
syn match sassMixin "\%([{};]\s*\|^\s*\)\@<=@mixin" nextgroup=sassMixinName skipwhite
syn match sassMixing "^\s\+\zs+" nextgroup=sassMixinName
syn match sassMixing "\%([{};]\s*\|^\s*\)\@<=@include" nextgroup=sassMixinName skipwhite
syn match sassExtend "\%([{};]\s*\|^\s*\)\@<=@extend"
syn match sassFunctionName "[[:alnum:]_-]\+" contained nextgroup=sassCssAttribute
syn match sassFunctionDecl "\%([{};]\s*\|^\s*\)\@<=@function" nextgroup=sassFunctionName skipwhite
syn match sassReturn "\%([{};]\s*\|^\s*\)\@<=@return"
syn match sassEscape "^\s*\zs\\"
syn match sassIdChar "#[[:alnum:]_-]\@=" nextgroup=sassId
syn match sassId "[[:alnum:]_-]\+" contained
syn match sassClassChar "\.[[:alnum:]_-]\@=" nextgroup=sassClass
syn match sassPlaceholder "\%([{};]\s*\|^\s*\)\@<=%" nextgroup=sassClass
syn match sassClass "[[:alnum:]_-]\+" contained
syn match sassAmpersand "&"
" TODO: Attribute namespaces
" TODO: Arithmetic (including strings and concatenation)
syn region sassMediaQuery matchgroup=sassMedia start="@media" end="[{};]\@=\|$" contains=sassMediaOperators
syn region sassKeyframe matchgroup=cssAtKeyword start=/@\(-[a-z]\+-\)\=keyframes\>/ end=";\|$" contains=cssVendor,cssComment nextgroup=cssDefinition
syn keyword sassMediaOperators and not only contained
syn region sassCharset start="@charset" end=";\|$" contains=scssComment,cssStringQ,cssStringQQ,cssURL,cssUnicodeEscape,cssMediaType
syn region sassInclude start="@import" end=";\|$" contains=scssComment,cssStringQ,cssStringQQ,cssURL,cssUnicodeEscape,cssMediaType
syn region sassDebugLine end=";\|$" matchgroup=sassDebug start="@debug\>" contains=@sassCssAttributes,sassVariable,sassFunction
syn region sassWarnLine end=";\|$" matchgroup=sassWarn start="@warn\>" contains=@sassCssAttributes,sassVariable,sassFunction
syn region sassControlLine matchgroup=sassControl start="@\%(if\|else\%(\s\+if\)\=\|while\|for\|each\)\>" end="[{};]\@=\|$" contains=sassFor,@sassCssAttributes,sassVariable,sassFunction
syn keyword sassFor from to through in contained
syn keyword sassTodo FIXME NOTE TODO OPTIMIZE XXX contained
syn region sassComment start="^\z(\s*\)//" end="^\%(\z1 \)\@!" contains=sassTodo,@Spell
syn region sassCssComment start="^\z(\s*\)/\*" end="^\%(\z1 \)\@!" contains=sassTodo,@Spell
syn match sassEndOfLineComment "//.*" contains=sassComment,sassTodo,@Spell
hi def link sassEndOfLineComment sassComment
hi def link sassCssComment sassComment
hi def link sassComment Comment
hi def link sassFlag cssImportant
hi def link sassVariable Identifier
hi def link sassFunction Function
hi def link sassMixing PreProc
hi def link sassMixin PreProc
hi def link sassPlaceholder sassClassChar
hi def link sassExtend PreProc
hi def link sassFunctionDecl PreProc
hi def link sassReturn PreProc
hi def link sassTodo Todo
hi def link sassCharset PreProc
hi def link sassMedia PreProc
hi def link sassMediaOperators PreProc
hi def link sassInclude Include
hi def link sassDebug sassControl
hi def link sassWarn sassControl
hi def link sassControl PreProc
hi def link sassFor PreProc
hi def link sassEscape Special
hi def link sassIdChar Special
hi def link sassClassChar Special
hi def link sassInterpolationDelimiter Delimiter
hi def link sassAmpersand Character
hi def link sassId Identifier
hi def link sassClass Type
let b:current_syntax = "sass"
" vim:set sw=2:
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