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" Vim syntax file
" Language: PCCTS
" Maintainer: Scott Bigham <dsb@killerbunnies.org>
" Last Change: 10 Aug 1999
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
" Read the C++ syntax to start with
if version < 600
syn include @cppTopLevel <sfile>:p:h/cpp.vim
else
syn include @cppTopLevel syntax/cpp.vim
endif
syn region pcctsAction matchgroup=pcctsDelim start="<<" end=">>?\=" contains=@cppTopLevel,pcctsRuleRef
syn region pcctsArgBlock matchgroup=pcctsDelim start="\(>\s*\)\=\[" end="\]" contains=@cppTopLevel,pcctsRuleRef
syn region pcctsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=pcctsSpecialChar
syn match pcctsSpecialChar "\\\\\|\\\"" contained
syn region pcctsComment start="/\*" end="\*/" contains=cTodo
syn match pcctsComment "//.*$" contains=cTodo
syn region pcctsDirective start="^\s*#header\s\+<<" end=">>" contains=pcctsAction keepend
syn match pcctsDirective "^\s*#parser\>.*$" contains=pcctsString,pcctsComment
syn match pcctsDirective "^\s*#tokdefs\>.*$" contains=pcctsString,pcctsComment
syn match pcctsDirective "^\s*#token\>.*$" contains=pcctsString,pcctsAction,pcctsTokenName,pcctsComment
syn region pcctsDirective start="^\s*#tokclass\s\+[A-Z]\i*\s\+{" end="}" contains=pcctsString,pcctsTokenName
syn match pcctsDirective "^\s*#lexclass\>.*$" contains=pcctsTokenName
syn region pcctsDirective start="^\s*#errclass\s\+[^{]\+\s\+{" end="}" contains=pcctsString,pcctsTokenName
syn match pcctsDirective "^\s*#pred\>.*$" contains=pcctsTokenName,pcctsAction
syn cluster pcctsInRule contains=pcctsString,pcctsRuleName,pcctsTokenName,pcctsAction,pcctsArgBlock,pcctsSubRule,pcctsLabel,pcctsComment
syn region pcctsRule start="\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\(\s*>\s*\[[^]]*\]\)\=\s*:" end=";" contains=@pcctsInRule
syn region pcctsSubRule matchgroup=pcctsDelim start="(" end=")\(+\|\*\|?\(\s*=>\)\=\)\=" contains=@pcctsInRule contained
syn region pcctsSubRule matchgroup=pcctsDelim start="{" end="}" contains=@pcctsInRule contained
syn match pcctsRuleName "\<[a-z]\i*\>" contained
syn match pcctsTokenName "\<[A-Z]\i*\>" contained
syn match pcctsLabel "\<\I\i*:\I\i*" contained contains=pcctsLabelHack,pcctsRuleName,pcctsTokenName
syn match pcctsLabel "\<\I\i*:\"\([^\\]\|\\.\)*\"" contained contains=pcctsLabelHack,pcctsString
syn match pcctsLabelHack "\<\I\i*:" contained
syn match pcctsRuleRef "\$\I\i*\>" contained
syn match pcctsRuleRef "\$\d\+\(\.\d\+\)\>" contained
syn keyword pcctsClass class nextgroup=pcctsClassName skipwhite
syn match pcctsClassName "\<\I\i*\>" contained nextgroup=pcctsClassBlock skipwhite skipnl
syn region pcctsClassBlock start="{" end="}" contained contains=pcctsRule,pcctsComment,pcctsDirective,pcctsAction,pcctsException,pcctsExceptionHandler
syn keyword pcctsException exception nextgroup=pcctsExceptionRuleRef skipwhite
syn match pcctsExceptionRuleRef "\[\I\i*\]" contained contains=pcctsExceptionID
syn match pcctsExceptionID "\I\i*" contained
syn keyword pcctsExceptionHandler catch default
syn keyword pcctsExceptionHandler NoViableAlt NoSemViableAlt
syn keyword pcctsExceptionHandler MismatchedToken
syn sync clear
syn sync match pcctsSyncAction grouphere pcctsAction "<<"
syn sync match pcctsSyncAction "<<\([^>]\|>[^>]\)*>>"
syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\s*\[[^]]*\]\s*:"
syn sync match pcctsSyncRule grouphere pcctsRule "\<[a-z][A-Za-z0-9_]*\>\(\s*\[[^]]*\]\)\=\s*>\s*\[[^]]*\]\s*:"
" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_pccts_syntax_inits")
if version < 508
let did_pccts_syntax_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink pcctsDelim Special
HiLink pcctsTokenName Identifier
HiLink pcctsRuleName Statement
HiLink pcctsLabelHack Label
HiLink pcctsDirective PreProc
HiLink pcctsString String
HiLink pcctsComment Comment
HiLink pcctsClass Statement
HiLink pcctsClassName Identifier
HiLink pcctsException Statement
HiLink pcctsExceptionHandler Keyword
HiLink pcctsExceptionRuleRef pcctsDelim
HiLink pcctsExceptionID Identifier
HiLink pcctsRuleRef Identifier
HiLink pcctsSpecialChar SpecialChar
delcommand HiLink
endif
let b:current_syntax = "pccts"
" vim: ts=8
|
