add: coffee.vim

diff --git a/coffee.vim b/coffee.vim
new file mode 100644 (file)
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+++ b/coffee.vim
@@ -0,0 +1,214 @@
+" Language:    CoffeeScript
+" Maintainer:  Mick Koch <kchmck@gmail.com>
+" URL:         http://github.com/kchmck/vim-coffee-script
+" License:     WTFPL
+
+if exists("b:current_syntax")
+  finish
+endif
+
+if version < 600
+  syn clear
+endif
+
+" Include JavaScript for coffeeEmbed.
+syn include @coffeeJS syntax/javascript.vim
+
+" Highlight long strings.
+syn sync minlines=100
+
+" CoffeeScript allows dollar signs in identifiers.
+setlocal isident+=$
+
+" These are `matches` instead of `keywords` because vim's highlighting
+" priority for keywords is higher than matches. This causes keywords to be
+" highlighted inside matches, even if a match says it shouldn't contain them --
+" like with coffeeAssign and coffeeDot.
+syn match coffeeStatement /\<\%(return\|break\|continue\|throw\)\>/
+hi def link coffeeStatement Statement
+
+syn match coffeeRepeat /\<\%(for\|while\|until\|loop\)\>/
+hi def link coffeeRepeat Repeat
+
+syn match coffeeConditional /\<\%(if\|else\|unless\|switch\|when\|then\)\>/
+hi def link coffeeConditional Conditional
+
+syn match coffeeException /\<\%(try\|catch\|finally\)\>/
+hi def link coffeeException Exception
+
+syn match coffeeOperator /\<\%(instanceof\|typeof\|delete\)\>/
+hi def link coffeeOperator Operator
+
+syn match coffeeKeyword /\<\%(new\|in\|of\|by\|and\|or\|not\|is\|isnt\|class\|extends\|super\|own\|do\)\>/
+hi def link coffeeKeyword Keyword
+
+syn match coffeeBoolean /\<\%(true\|on\|yes\|false\|off\|no\)\>/
+hi def link coffeeBoolean Boolean
+
+syn match coffeeGlobal /\<\%(null\|undefined\)\>/
+hi def link coffeeGlobal Type
+
+" Keywords reserved by the language
+syn cluster coffeeReserved contains=coffeeStatement,coffeeRepeat,
+\                                   coffeeConditional,coffeeException,
+\                                   coffeeOperator,coffeeKeyword,
+\                                   coffeeBoolean,coffeeGlobal
+
+" A special variable
+syn match coffeeSpecialVar /\<\%(this\|prototype\|arguments\)\>/
+" An @-variable
+syn match coffeeSpecialVar /@\%(\I\i*\)\?/
+hi def link coffeeSpecialVar Special
+
+" A class-like name that starts with a capital letter
+syn match coffeeObject /\<\u\w*\>/
+hi def link coffeeObject Structure
+
+" A constant-like name in SCREAMING_CAPS
+syn match coffeeConstant /\<\u[A-Z0-9_]\+\>/
+hi def link coffeeConstant Constant
+
+" A variable name
+syn cluster coffeeIdentifier contains=coffeeSpecialVar,coffeeObject,
+\                                     coffeeConstant,coffeePrototype
+
+" A non-interpolated string
+syn cluster coffeeBasicString contains=@Spell,coffeeEscape
+" An interpolated string
+syn cluster coffeeInterpString contains=@coffeeBasicString,coffeeInterp
+
+" Regular strings
+syn region coffeeString start=/"/ skip=/\\\\\|\\"/ end=/"/
+\                       contains=@coffeeInterpString
+syn region coffeeString start=/'/ skip=/\\\\\|\\'/ end=/'/
+\                       contains=@coffeeBasicString
+hi def link coffeeString String
+
+" A integer, including a leading plus or minus
+syn match coffeeNumber /\i\@<![-+]\?\d\+\%([eE][+-]\?\d\+\)\?/
+" A hex number
+syn match coffeeNumber /\<0[xX]\x\+\>/
+hi def link coffeeNumber Number
+
+" A floating-point number, including a leading plus or minus
+syn match coffeeFloat /\i\@<![-+]\?\d*\.\@<!\.\d\+\%([eE][+-]\?\d\+\)\?/
+hi def link coffeeFloat Float
+
+syn match coffeeAssignSymbols /:\@<!::\@!\|++\|--\|\%(\s\zs\%(and\|or\)\|&&\|||\|?\|+\|-\|\/\|\*\|%\|<<\|>>\|>>>\|&\||\|\^\)\?=\@<!==\@!>\@!/
+\                             contained
+hi def link coffeeAssignSymbols SpecialChar
+
+syn match coffeeAssignBrackets /\[.\+\]/ contained contains=TOP,coffeeAssign
+
+" A destructuring assignment
+syn match coffeeAssign /[}\]]\@<=\s*==\@!>\@!/ contains=coffeeAssignSymbols
+" A pre-increment or pre-decrement assignment
+syn match coffeeAssign /\%(++\|--\)\s*\%(@\|@\?\I\)\%(\i\|::\|\.\|?\|\[.\+\]\)*/
+\                      contains=@coffeeIdentifier,coffeeAssignSymbols,
+\                                coffeeAssignBrackets
+" A normal assignment, or a post-increment or post-decrement assignment
+syn match coffeeAssign /\%(@\|@\?\I\)\%(\i\|::\|\.\|?\|\[.\+\]\)*\%(++\|--\|\s*\%(and\|or\|&&\|||\|?\|+\|-\|\/\|\*\|%\|<<\|>>\|>>>\|&\||\|\^\)\?=\@<!==\@!>\@!\)/
+\                      contains=@coffeeIdentifier,coffeeAssignSymbols,
+\                                coffeeAssignBrackets
+hi def link coffeeAssign Identifier
+
+" An error for reserved keywords
+if !exists("coffee_no_reserved_words_error")
+  syn match coffeeReservedError /\<\%(case\|default\|function\|var\|void\|with\|const\|let\|enum\|export\|import\|native\|__hasProp\|__extends\|__slice\|__bind\|__indexOf\)\>/
+  hi def link coffeeReservedError Error
+endif
+
+" A normal object assignment
+syn match coffeeObjAssign /@\?\I\i*\s*:\@<!::\@!/
+\                         contains=@coffeeIdentifier,coffeeAssignSymbols
+hi def link coffeeObjAssign coffeeAssign
+
+" Strings used in string assignments, which can't have interpolations
+syn region coffeeAssignString start=/"/ skip=/\\\\\|\\"/ end=/"/
+\                             contained contains=@coffeeBasicString
+syn region coffeeAssignString start=/'/ skip=/\\\\\|\\'/ end=/'/
+\                             contained contains=@coffeeBasicString
+hi def link coffeeAssignString String
+
+" An object-string assignment
+syn match coffeeObjStringAssign /\("\|'\)[^\1]*\1\s*;\@<!::\@!'\@!/
+\                               contains=coffeeAssignString,coffeeAssignSymbols
+" An object-integer assignment
+syn match coffeeObjNumberAssign /\d\+\%(\.\d\+\)\?\s*:\@<!::\@!/
+\                               contains=coffeeNumber,coffeeAssignSymbols
+
+syn match coffeePrototype /::/
+hi def link coffeePrototype SpecialChar
+
+syn match coffeeFunction /[-=]>/
+hi def link coffeeFunction Function
+
+syn keyword coffeeTodo TODO FIXME XXX contained
+hi def link coffeeTodo Todo
+
+syn match coffeeComment /#.*/ contains=@Spell,coffeeTodo
+hi def link coffeeComment Comment
+
+syn region coffeeBlockComment start=/####\@!/ end=/###/
+\                             contains=@Spell,coffeeTodo
+hi def link coffeeBlockComment coffeeComment
+
+" A comment in a heregex
+syn region coffeeHeregexComment start=/#/ end=/\ze\/\/\/\|$/
+\                               contained contains=@Spell,coffeeTodo
+hi def link coffeeHeregexComment coffeeComment
+
+" Embedded JavaScript
+syn region coffeeEmbed matchgroup=coffeeEmbedDelim
+\                      start=/`/ skip=/\\\\\|\\`/ end=/`/
+\                      contains=@coffeeJS
+hi def link coffeeEmbedDelim Delimiter
+
+syn region coffeeInterp matchgroup=coffeeInterpDelim
+\                       start=/\#{/ end=/}/
+\                       contained contains=TOP
+hi def link coffeeInterpDelim Delimiter
+
+" A string escape sequence
+syn match coffeeEscape /\\\d\d\d\|\\x\x\{2\}\|\\u\x\{4\}\|\\./ contained
+hi def link coffeeEscape SpecialChar
+
+" A regex -- must not follow a parenthesis, number, or identifier, and must not
+" be followed by a number
+syn region coffeeRegex start=/\%(\%()\|\i\@<!\d\)\s*\|\i\)\@<!\/\s\@!/
+\                      skip=/\[[^\]]\{-}\/[^\]]\{-}\]/
+\                      end=/\/[gimy]\{,4}\d\@!/
+\                      oneline contains=@coffeeBasicString
+hi def link coffeeRegex String
+
+" A heregex
+syn region coffeeHeregex start=/\/\/\// end=/\/\/\/[gimy]\{,4}/
+\                        contains=@coffeeInterpString,coffeeHeregexComment
+\                        fold
+hi def link coffeeHeregex coffeeRegex
+
+" Heredoc strings
+syn region coffeeHeredoc start=/"""/ end=/"""/ contains=@coffeeInterpString
+\                        fold
+syn region coffeeHeredoc start=/'''/ end=/'''/ contains=@coffeeBasicString
+\                        fold
+hi def link coffeeHeredoc String
+
+" An error for trailing whitespace, as long as the line isn't just whitespace
+if !exists("coffee_no_trailing_space_error")
+  syn match coffeeSpaceError /\S\@<=\s\+$/ display
+  hi def link coffeeSpaceError Error
+endif
+
+" An error for trailing semicolons, for help transitioning from JavaScript
+if !exists("coffee_no_trailing_semicolon_error")
+  syn match coffeeSemicolonError /;$/ display
+  hi def link coffeeSemicolonError Error
+endif
+
+" Ignore reserved words in dot-properties.
+syn match coffeeDot /\.\@<!\.\i\+/ contains=ALLBUT,@coffeeReserved,
+\                                                   coffeeReservedError
+\                                  transparent
+
+let b:current_syntax = "coffee"