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" Vim syntax file
" Language: less
" Maintainer: Alessandro Vioni <jenoma@gmail.com>
" URL: https://github.com/genoma/vim-less
" Last Change: 2020 Sep 29
if exists("b:current_syntax")
finish
endif
runtime! syntax/css.vim
syn case ignore
syn cluster lessCssProperties contains=cssFontProp,cssFontDescriptorProp,cssColorProp,cssTextProp,cssBoxProp,cssGeneratedContentProp,cssPagingProp,cssUIProp,cssRenderProp,cssAuralProp,cssTableProp
syn cluster lessCssAttributes contains=css.*Attr,lessEndOfLineComment,lessComment,cssValue.*,cssColor,cssURL,lessDefault,cssImportant,cssError,cssStringQ,cssStringQQ,cssFunction,cssUnicodeEscape,cssRenderProp
syn region lessDefinition matchgroup=cssBraces start="{" end="}" contains=TOP
syn match lessProperty "\%([{};]\s*\|^\)\@<=\%([[:alnum:]-]\|#{[^{}]*}\)\+\s*:" contains=css.*Prop skipwhite nextgroup=lessCssAttribute contained containedin=lessDefinition
syn match lessProperty "^\s*\zs\s\%(\%([[:alnum:]-]\|#{[^{}]*}\)\+\s*:\|:[[:alnum:]-]\+\)"hs=s+1 contains=css.*Prop skipwhite nextgroup=lessCssAttribute
syn match lessProperty "^\s*\zs\s\%(:\=[[:alnum:]-]\+\s*=\)"hs=s+1 contains=css.*Prop skipwhite nextgroup=lessCssAttribute
syn match lessCssAttribute +\%("\%([^"]\|\\"\)*"\|'\%([^']\|\\'\)*'\|#{[^{}]*}\|[^{};]\)*+ contained contains=@lessCssAttributes,lessVariable,lessFunction,lessInterpolation
syn match lessDefault "!default\>" contained
" less variables and media queries
syn match lessVariable "@[[:alnum:]_-]\+" nextgroup=lessCssAttribute skipwhite
syn match lessMedia "@media" nextgroup=lessCssAttribute skipwhite
" Less functions
syn match lessFunction "\<\%(escape\|e\|unit\)\>(\@=" contained
syn match lessFunction "\<\%(ceil\|floor\|percentage\|round\|sqrt\|abs\|sin\|asin\|cos\|acos\|tan\|atan\|pi\|pow\|min\|max\)\>(\@=" contained
syn match lessFunction "\<\%(rgb\|rgba\|argb\|argb\|hsl\|hsla\|hsv\|hsva\)\>(\@=" contained
syn match lessFunction "\<\%(hue\|saturation\|lightness\|red\|green\|blue\|alpha\|luma\)\>(\@=" contained
syn match lessFunction "\<\%(saturate\|desaturate\|lighten\|darken\|fadein\|fadeout\|fade\|spin\|mix\|greyscale\|contrast\)\>(\@=" contained
syn match lessFunction "\<\%(multiply\|screen\|overlay\|softlight\|hardlight\|difference\|exclusion\|average\|negation\)\>(\@=" contained
" Less id class visualization
syn match lessIdChar "#[[:alnum:]_-]\@=" nextgroup=lessId,lessClassIdCall
syn match lessId "[[:alnum:]_-]\+" contained
syn match lessClassIdCall "[[:alnum:]_-]\+()" contained
syn match lessClassChar "\.[[:alnum:]_-]\@=" nextgroup=lessClass,lessClassCall
syn match lessClass "[[:alnum:]_-]\+" contained
syn match lessClassCall "[[:alnum:]_-]\+()" contained
syn match lessAmpersand "&" contains=lessIdChar,lessClassChar
syn region lessInclude start="@import" end=";\|$" contains=lessComment,cssURL,cssUnicodeEscape,cssMediaType,cssStringQ,cssStringQQ
syn keyword lessTodo FIXME NOTE TODO OPTIMIZE XXX contained
syn region lessComment start="^\z(\s*\)//" end="^\%(\z1 \)\@!" contains=lessTodo,@Spell
syn region lessCssComment start="^\z(\s*\)/\*" end="^\%(\z1 \)\@!" contains=lessTodo,@Spell
syn match lessEndOfLineComment "//.*" contains=lessComment,lessTodo,@Spell
hi def link lessEndOfLineComment lessComment
hi def link lessCssComment lessComment
hi def link lessComment Comment
hi def link lessDefault cssImportant
hi def link lessVariable Identifier
hi def link lessFunction PreProc
hi def link lessTodo Todo
hi def link lessInclude Include
hi def link lessIdChar Special
hi def link lessClassChar Special
hi def link lessAmpersand Character
hi def link lessId Identifier
hi def link lessClass Type
hi def link lessCssAttribute PreProc
hi def link lessClassCall Type
hi def link lessClassIdCall Type
hi def link lessTagName cssTagName
hi def link lessDeprecated cssDeprecated
hi def link lessMedia cssMedia
let b:current_syntax = "less"
" vim:set sw=2:
|
