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150 lines
5.6 KiB
150 lines
5.6 KiB
11 years ago
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" Vim syntax file
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"
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" Language: Ragel
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" Author: Adrian Thurston
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syntax clear
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"
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" Outside code
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"
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" Comments
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syntax region ocComment start="\/\*" end="\*\/"
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syntax match ocComment "\/\/.*$"
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" Anything preprocessor
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syntax match ocPreproc "#\(.\|\\\n\)*$"
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syntax region ocPreproc start="#" end="[^\\]$"
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" Strings
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syntax match ocLiteral "'\(\\.\|[^'\\]\)*'"
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syntax match ocLiteral "\"\(\\.\|[^\"\\]\)*\""
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" C/C++ Keywords
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syntax keyword ocType unsigned signed void char short int long float double bool
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syntax keyword ocType inline static extern register const volatile auto
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syntax keyword ocType union enum struct class typedef
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syntax keyword ocType namespace template typename mutable
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syntax keyword ocKeyword break continue default do else for
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syntax keyword ocKeyword goto if return switch while
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syntax keyword ocKeyword new delete this using friend public private protected sizeof
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syntax keyword ocKeyword throw try catch operator typeid
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syntax keyword ocKeyword and bitor xor compl bitand and_eq or_eq xor_eq not not_eq
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syntax keyword ocKeyword static_cast dynamic_cast
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" Numbers
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syntax match ocNumber "[0-9][0-9]*"
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syntax match ocNumber "0x[0-9a-fA-F][0-9a-fA-F]*"
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" Booleans
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syntax keyword ocBoolean true false
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" Identifiers
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syntax match anyId "[a-zA-Z_][a-zA-Z_0-9]*"
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" Inline code only
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syntax keyword fsmType fpc fc fcurs fbuf fblen ftargs fstack
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syntax keyword fsmKeyword fhold fgoto fcall fret fentry fnext fexec fbreak
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syntax cluster rlItems contains=rlComment,rlLiteral,rlAugmentOps,rlOtherOps,rlKeywords,rlWrite,rlCodeCurly,rlCodeSemi,rlNumber,anyId,rlLabelColon,rlExprKeywords
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syntax region machineSpec1 matchgroup=beginRL start="%%{" end="}%%" contains=@rlItems
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syntax region machineSpec2 matchgroup=beginRL start="%%[^{]"rs=e-1 end="$" keepend contains=@rlItems
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syntax region machineSpec2 matchgroup=beginRL start="%%$" end="$" keepend contains=@rlItems
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" Comments
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syntax match rlComment "#.*$" contained
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" Literals
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syntax match rlLiteral "'\(\\.\|[^'\\]\)*'[i]*" contained
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syntax match rlLiteral "\"\(\\.\|[^\"\\]\)*\"[i]*" contained
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syntax match rlLiteral /\/\(\\.\|[^\/\\]\)*\/[i]*/ contained
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syntax match rlLiteral "\[\(\\.\|[^\]\\]\)*\]" contained
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" Numbers
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syntax match rlNumber "[0-9][0-9]*" contained
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syntax match rlNumber "0x[0-9a-fA-F][0-9a-fA-F]*" contained
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" Operators
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syntax match rlAugmentOps "[>$%@]" contained
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syntax match rlAugmentOps "<>\|<" contained
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syntax match rlAugmentOps "[>\<$%@][!\^/*~]" contained
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syntax match rlAugmentOps "[>$%]?" contained
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syntax match rlAugmentOps "<>[!\^/*~]" contained
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syntax match rlAugmentOps "=>" contained
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syntax match rlOtherOps "->" contained
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syntax match rlOtherOps ":>" contained
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syntax match rlOtherOps ":>>" contained
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syntax match rlOtherOps "<:" contained
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" Keywords
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" FIXME: Enable the range keyword post 5.17.
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" syntax keyword rlKeywords machine action context include range contained
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syntax keyword rlKeywords machine action context include import export prepush postpop contained
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syntax keyword rlExprKeywords when inwhen outwhen err lerr eof from to contained
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" Case Labels
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syntax keyword caseLabelKeyword case contained
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syntax cluster caseLabelItems contains=ocComment,ocPreproc,ocLiteral,ocType,ocKeyword,caseLabelKeyword,ocNumber,ocBoolean,anyId,fsmType,fsmKeyword
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syntax match caseLabelColon "case" contains=@caseLabelItems
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syntax match caseLabelColon "case[\t ]\+.*:$" contains=@caseLabelItems
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syntax match caseLabelColon "case[\t ]\+.*:[^=:]"me=e-1 contains=@caseLabelItems
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" Labels
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syntax match ocLabelColon "^[\t ]*[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:$" contains=anyLabel
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syntax match ocLabelColon "^[\t ]*[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:[^=:]"me=e-1 contains=anyLabel
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syntax match rlLabelColon "[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:$" contained contains=anyLabel
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syntax match rlLabelColon "[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:[^=:>]"me=e-1 contained contains=anyLabel
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syntax match anyLabel "[a-zA-Z_][a-zA-Z_0-9]*" contained
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" All items that can go in a code block.
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syntax cluster inlineItems contains=rlCodeCurly,ocComment,ocPreproc,ocLiteral,ocType,ocKeyword,ocNumber,ocBoolean,ocLabelColon,anyId,fsmType,fsmKeyword,caseLabelColon
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" Blocks of code. rlCodeCurly is recursive.
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syntax region rlCodeCurly matchgroup=NONE start="{" end="}" contained contains=@inlineItems
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syntax region rlCodeSemi matchgroup=Type start="\<alphtype\>" start="\<getkey\>" start="\<access\>" start="\<variable\>" matchgroup=NONE end=";" contained contains=@inlineItems
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syntax region rlWrite matchgroup=Type start="\<write\>" matchgroup=NONE end="[;)]" contained contains=rlWriteKeywords,rlWriteOptions
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syntax keyword rlWriteKeywords init data exec exports start error first_final contained
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syntax keyword rlWriteOptions noerror nofinal noprefix noend nocs contained
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"
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" Sync at the start of machine specs.
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"
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" Match The ragel delimiters only if there quotes no ahead on the same line.
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" On the open marker, use & to consume the leader.
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syntax sync match ragelSyncPat grouphere NONE "^[^\'\"%]*%%{&^[^\'\"%]*"
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syntax sync match ragelSyncPat grouphere NONE "^[^\'\"%]*%%[^{]&^[^\'\"%]*"
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syntax sync match ragelSyncPat grouphere NONE "^[^\'\"]*}%%"
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"
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" Specifying Groups
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"
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hi link ocComment Comment
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hi link ocPreproc Macro
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hi link ocLiteral String
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hi link ocType Type
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hi link ocKeyword Keyword
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hi link ocNumber Number
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hi link ocBoolean Boolean
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hi link rlComment Comment
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hi link rlNumber Number
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hi link rlLiteral String
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hi link rlAugmentOps Keyword
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hi link rlExprKeywords Keyword
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hi link rlWriteKeywords Keyword
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hi link rlWriteOptions Keyword
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hi link rlKeywords Type
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hi link fsmType Type
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hi link fsmKeyword Keyword
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hi link anyLabel Label
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hi link caseLabelKeyword Keyword
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hi link beginRL Type
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let b:current_syntax = "ragel"
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