90 lines
4.0 KiB
VimL
90 lines
4.0 KiB
VimL
" Vim syntax file
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" Language: PCCTS
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" Maintainer: Scott Bigham <dsb@killerbunnies.org>
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" Last Change: 10 Aug 1999
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" quit when a syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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" Read the C++ syntax to start with
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syn include @cppTopLevel syntax/cpp.vim
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syn region pcctsAction matchgroup=pcctsDelim start="<<" end=">>?\=" contains=@cppTopLevel,pcctsRuleRef
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syn region pcctsArgBlock matchgroup=pcctsDelim start="\(>\s*\)\=\[" end="\]" contains=@cppTopLevel,pcctsRuleRef
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syn region pcctsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=pcctsSpecialChar
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syn match pcctsSpecialChar "\\\\\|\\\"" contained
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syn region pcctsComment start="/\*" end="\*/" contains=cTodo
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syn match pcctsComment "//.*$" contains=cTodo
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syn region pcctsDirective start="^\s*#header\s\+<<" end=">>" contains=pcctsAction keepend
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syn match pcctsDirective "^\s*#parser\>.*$" contains=pcctsString,pcctsComment
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syn match pcctsDirective "^\s*#tokdefs\>.*$" contains=pcctsString,pcctsComment
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syn match pcctsDirective "^\s*#token\>.*$" contains=pcctsString,pcctsAction,pcctsTokenName,pcctsComment
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syn region pcctsDirective start="^\s*#tokclass\s\+[A-Z]\i*\s\+{" end="}" contains=pcctsString,pcctsTokenName
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syn match pcctsDirective "^\s*#lexclass\>.*$" contains=pcctsTokenName
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syn region pcctsDirective start="^\s*#errclass\s\+[^{]\+\s\+{" end="}" contains=pcctsString,pcctsTokenName
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syn match pcctsDirective "^\s*#pred\>.*$" contains=pcctsTokenName,pcctsAction
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syn cluster pcctsInRule contains=pcctsString,pcctsRuleName,pcctsTokenName,pcctsAction,pcctsArgBlock,pcctsSubRule,pcctsLabel,pcctsComment
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syn region pcctsRule start="\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\(\s*>\s*\[[^]]*\]\)\=\s*:" end=";" contains=@pcctsInRule
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syn region pcctsSubRule matchgroup=pcctsDelim start="(" end=")\(+\|\*\|?\(\s*=>\)\=\)\=" contains=@pcctsInRule contained
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syn region pcctsSubRule matchgroup=pcctsDelim start="{" end="}" contains=@pcctsInRule contained
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syn match pcctsRuleName "\<[a-z]\i*\>" contained
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syn match pcctsTokenName "\<[A-Z]\i*\>" contained
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syn match pcctsLabel "\<\I\i*:\I\i*" contained contains=pcctsLabelHack,pcctsRuleName,pcctsTokenName
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syn match pcctsLabel "\<\I\i*:\"\([^\\]\|\\.\)*\"" contained contains=pcctsLabelHack,pcctsString
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syn match pcctsLabelHack "\<\I\i*:" contained
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syn match pcctsRuleRef "\$\I\i*\>" contained
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syn match pcctsRuleRef "\$\d\+\(\.\d\+\)\>" contained
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syn keyword pcctsClass class nextgroup=pcctsClassName skipwhite
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syn match pcctsClassName "\<\I\i*\>" contained nextgroup=pcctsClassBlock skipwhite skipnl
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syn region pcctsClassBlock start="{" end="}" contained contains=pcctsRule,pcctsComment,pcctsDirective,pcctsAction,pcctsException,pcctsExceptionHandler
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syn keyword pcctsException exception nextgroup=pcctsExceptionRuleRef skipwhite
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syn match pcctsExceptionRuleRef "\[\I\i*\]" contained contains=pcctsExceptionID
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syn match pcctsExceptionID "\I\i*" contained
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syn keyword pcctsExceptionHandler catch default
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syn keyword pcctsExceptionHandler NoViableAlt NoSemViableAlt
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syn keyword pcctsExceptionHandler MismatchedToken
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syn sync clear
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syn sync match pcctsSyncAction grouphere pcctsAction "<<"
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syn sync match pcctsSyncAction "<<\([^>]\|>[^>]\)*>>"
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syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\s*\[[^]]*\]\s*:"
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syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\s*>\s*\[[^]]*\]\s*:"
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" Define the default highlighting.
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" Only when an item doesn't have highlighting yet
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hi def link pcctsDelim Special
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hi def link pcctsTokenName Identifier
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hi def link pcctsRuleName Statement
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hi def link pcctsLabelHack Label
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hi def link pcctsDirective PreProc
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hi def link pcctsString String
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hi def link pcctsComment Comment
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hi def link pcctsClass Statement
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hi def link pcctsClassName Identifier
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hi def link pcctsException Statement
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hi def link pcctsExceptionHandler Keyword
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hi def link pcctsExceptionRuleRef pcctsDelim
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hi def link pcctsExceptionID Identifier
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hi def link pcctsRuleRef Identifier
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hi def link pcctsSpecialChar SpecialChar
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let b:current_syntax = "pccts"
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" vim: ts=8
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