222 lines
9 KiB
VimL
222 lines
9 KiB
VimL
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" Language: CoffeeScript
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" Maintainer: Mick Koch <mick@kochm.co>
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" URL: http://github.com/kchmck/vim-coffee-script
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" License: WTFPL
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" Bail if our syntax is already loaded.
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if exists('b:current_syntax') && b:current_syntax == 'coffee'
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finish
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endif
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" Include JavaScript for coffeeEmbed.
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syn include @coffeeJS syntax/javascript.vim
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silent! unlet b:current_syntax
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" Highlight long strings.
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syntax sync fromstart
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" These are `matches` instead of `keywords` because vim's highlighting
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" priority for keywords is higher than matches. This causes keywords to be
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" highlighted inside matches, even if a match says it shouldn't contain them --
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" like with coffeeAssign and coffeeDot.
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syn match coffeeStatement /\<\%(return\|break\|continue\|throw\)\>/ display
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hi def link coffeeStatement Statement
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syn match coffeeRepeat /\<\%(for\|while\|until\|loop\)\>/ display
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hi def link coffeeRepeat Repeat
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syn match coffeeConditional /\<\%(if\|else\|unless\|switch\|when\|then\)\>/
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\ display
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hi def link coffeeConditional Conditional
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syn match coffeeException /\<\%(try\|catch\|finally\)\>/ display
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hi def link coffeeException Exception
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syn match coffeeKeyword /\<\%(new\|in\|of\|from\|by\|and\|or\|not\|is\|isnt\|class\|extends\|super\|do\|yield\|debugger\|import\|export\|default\|await\)\>/
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\ display
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" The `own` keyword is only a keyword after `for`.
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syn match coffeeKeyword /\<for\s\+own\>/ contained containedin=coffeeRepeat
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\ display
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hi def link coffeeKeyword Keyword
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syn match coffeeOperator /\<\%(instanceof\|typeof\|delete\)\>/ display
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hi def link coffeeOperator Operator
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" The first case matches symbol operators only if they have an operand before.
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syn match coffeeExtendedOp /\%(\S\s*\)\@<=[+\-*/%&|\^=!<>?.]\{-1,}\|[-=]>\|--\|++\|:/
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\ display
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syn match coffeeExtendedOp /\<\%(and\|or\)=/ display
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hi def link coffeeExtendedOp coffeeOperator
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" This is separate from `coffeeExtendedOp` to help differentiate commas from
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" dots.
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syn match coffeeSpecialOp /[,;]/ display
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hi def link coffeeSpecialOp SpecialChar
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syn match coffeeBoolean /\<\%(true\|on\|yes\|false\|off\|no\)\>/ display
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hi def link coffeeBoolean Boolean
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syn match coffeeGlobal /\<\%(null\|undefined\)\>/ display
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hi def link coffeeGlobal Type
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" A special variable
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syn match coffeeSpecialVar /\<\%(this\|prototype\|arguments\)\>/ display
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hi def link coffeeSpecialVar Special
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" An @-variable
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syn match coffeeSpecialIdent /@\%(\%(\I\|\$\)\%(\i\|\$\)*\)\?/ display
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hi def link coffeeSpecialIdent Identifier
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" A class-like name that starts with a capital letter
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syn match coffeeObject /\<\u\w*\>/ display
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hi def link coffeeObject Structure
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" A constant-like name in SCREAMING_CAPS
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syn match coffeeConstant /\<\u[A-Z0-9_]\+\>/ display
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hi def link coffeeConstant Constant
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" A variable name
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syn cluster coffeeIdentifier contains=coffeeSpecialVar,coffeeSpecialIdent,
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\ coffeeObject,coffeeConstant
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" A non-interpolated string
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syn cluster coffeeBasicString contains=@Spell,coffeeEscape
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" An interpolated string
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syn cluster coffeeInterpString contains=@coffeeBasicString,coffeeInterp
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" Regular strings
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syn region coffeeString start=/"/ skip=/\\\\\|\\"/ end=/"/
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\ contains=@coffeeInterpString
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syn region coffeeString start=/'/ skip=/\\\\\|\\'/ end=/'/
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\ contains=@coffeeBasicString
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hi def link coffeeString String
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" A integer, including a leading plus or minus
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syn match coffeeNumber /\%(\i\|\$\)\@<![-+]\?\d\+\%(e[+-]\?\d\+\)\?/ display
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" A hex, binary, or octal number
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syn match coffeeNumber /\<0[xX]\x\+\>/ display
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syn match coffeeNumber /\<0[bB][01]\+\>/ display
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syn match coffeeNumber /\<0[oO][0-7]\+\>/ display
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syn match coffeeNumber /\<\%(Infinity\|NaN\)\>/ display
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hi def link coffeeNumber Number
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" A floating-point number, including a leading plus or minus
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syn match coffeeFloat /\%(\i\|\$\)\@<![-+]\?\d*\.\@<!\.\d\+\%([eE][+-]\?\d\+\)\?/
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\ display
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hi def link coffeeFloat Float
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" An error for reserved keywords, taken from the RESERVED array:
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" http://coffeescript.org/documentation/docs/lexer.html#section-67
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syn match coffeeReservedError /\<\%(case\|function\|var\|void\|with\|const\|let\|enum\|native\|implements\|interface\|package\|private\|protected\|public\|static\)\>/
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\ display
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hi def link coffeeReservedError Error
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" A normal object assignment
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syn match coffeeObjAssign /@\?\%(\I\|\$\)\%(\i\|\$\)*\s*\ze::\@!/ contains=@coffeeIdentifier display
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hi def link coffeeObjAssign Identifier
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syn keyword coffeeTodo TODO FIXME XXX contained
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hi def link coffeeTodo Todo
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syn match coffeeComment /#.*/ contains=@Spell,coffeeTodo
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hi def link coffeeComment Comment
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syn region coffeeBlockComment start=/####\@!/ end=/###/
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\ contains=@Spell,coffeeTodo
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hi def link coffeeBlockComment coffeeComment
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" A comment in a heregex
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syn region coffeeHeregexComment start=/#/ end=/\ze\/\/\/\|$/ contained
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\ contains=@Spell,coffeeTodo
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hi def link coffeeHeregexComment coffeeComment
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" Embedded JavaScript
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syn region coffeeEmbed matchgroup=coffeeEmbedDelim
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\ start=/`/ skip=/\\\\\|\\`/ end=/`/ keepend
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\ contains=@coffeeJS
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hi def link coffeeEmbedDelim Delimiter
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syn region coffeeInterp matchgroup=coffeeInterpDelim start=/#{/ end=/}/ contained
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\ contains=@coffeeAll
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hi def link coffeeInterpDelim PreProc
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" A string escape sequence
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syn match coffeeEscape /\\\d\d\d\|\\x\x\{2\}\|\\u\x\{4\}\|\\./ contained display
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hi def link coffeeEscape SpecialChar
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" A regex -- must not follow a parenthesis, number, or identifier, and must not
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" be followed by a number
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syn region coffeeRegex start=#\%(\%()\|\%(\i\|\$\)\@<!\d\)\s*\|\i\)\@<!/=\@!\s\@!#
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\ end=#/[gimy]\{,4}\d\@!#
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\ oneline contains=@coffeeBasicString,coffeeRegexCharSet
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syn region coffeeRegexCharSet start=/\[/ end=/]/ contained
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\ contains=@coffeeBasicString
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hi def link coffeeRegex String
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hi def link coffeeRegexCharSet coffeeRegex
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" A heregex
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syn region coffeeHeregex start=#///# end=#///[gimy]\{,4}#
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\ contains=@coffeeInterpString,coffeeHeregexComment,
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\ coffeeHeregexCharSet
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\ fold
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syn region coffeeHeregexCharSet start=/\[/ end=/]/ contained
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\ contains=@coffeeInterpString
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hi def link coffeeHeregex coffeeRegex
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hi def link coffeeHeregexCharSet coffeeHeregex
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" Heredoc strings
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syn region coffeeHeredoc start=/"""/ end=/"""/ contains=@coffeeInterpString
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\ fold
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syn region coffeeHeredoc start=/'''/ end=/'''/ contains=@coffeeBasicString
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\ fold
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hi def link coffeeHeredoc String
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" An error for trailing whitespace, as long as the line isn't just whitespace
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syn match coffeeSpaceError /\S\@<=\s\+$/ display
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hi def link coffeeSpaceError Error
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" An error for trailing semicolons, for help transitioning from JavaScript
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syn match coffeeSemicolonError /;$/ display
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hi def link coffeeSemicolonError Error
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" Ignore reserved words in dot accesses.
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syn match coffeeDotAccess /\.\@<!\.\s*\%(\I\|\$\)\%(\i\|\$\)*/he=s+1 contains=@coffeeIdentifier
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hi def link coffeeDotAccess coffeeExtendedOp
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" Ignore reserved words in prototype accesses.
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syn match coffeeProtoAccess /::\s*\%(\I\|\$\)\%(\i\|\$\)*/he=s+2 contains=@coffeeIdentifier
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hi def link coffeeProtoAccess coffeeExtendedOp
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" This is required for interpolations to work.
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syn region coffeeCurlies matchgroup=coffeeCurly start=/{/ end=/}/
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\ contains=@coffeeAll
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syn region coffeeBrackets matchgroup=coffeeBracket start=/\[/ end=/\]/
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\ contains=@coffeeAll
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syn region coffeeParens matchgroup=coffeeParen start=/(/ end=/)/
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\ contains=@coffeeAll
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" These are highlighted the same as commas since they tend to go together.
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hi def link coffeeBlock coffeeSpecialOp
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hi def link coffeeBracket coffeeBlock
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hi def link coffeeCurly coffeeBlock
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hi def link coffeeParen coffeeBlock
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" This is used instead of TOP to keep things coffee-specific for good
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" embedding. `contained` groups aren't included.
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syn cluster coffeeAll contains=coffeeStatement,coffeeRepeat,coffeeConditional,
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\ coffeeException,coffeeKeyword,coffeeOperator,
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\ coffeeExtendedOp,coffeeSpecialOp,coffeeBoolean,
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\ coffeeGlobal,coffeeSpecialVar,coffeeSpecialIdent,
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\ coffeeObject,coffeeConstant,coffeeString,
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\ coffeeNumber,coffeeFloat,coffeeReservedError,
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\ coffeeObjAssign,coffeeComment,coffeeBlockComment,
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\ coffeeEmbed,coffeeRegex,coffeeHeregex,
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\ coffeeHeredoc,coffeeSpaceError,
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\ coffeeSemicolonError,coffeeDotAccess,
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\ coffeeProtoAccess,coffeeCurlies,coffeeBrackets,
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\ coffeeParens
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if !exists('b:current_syntax')
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let b:current_syntax = 'coffee'
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endif
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