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" Vim syntax file
" Language: Yacc
" Maintainer: Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
" Last Change: Feb 22, 2006
" Version: 4
" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
"
" Option:
" g:yacc_uses_cpp : if this variable exists, then C++ is loaded rather than C
" 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
if exists("g:yacc_uses_cpp")
runtime! syntax/cpp.vim
else
runtime! syntax/c.vim
endif
elseif exists("g:yacc_uses_cpp")
so <sfile>:p:h/cpp.vim
else
so <sfile>:p:h/c.vim
endif
" Clusters
syn cluster yaccActionGroup contains=yaccDelim,cInParen,cTodo,cIncluded,yaccDelim,yaccCurlyError,yaccUnionCurly,yaccUnion,cUserLabel,cOctalZero,cCppOut2,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCommentStartError,cParenError
syn cluster yaccUnionGroup contains=yaccKey,cComment,yaccCurly,cType,cStructure,cStorageClass,yaccUnionCurly
" Yacc stuff
syn match yaccDelim "^\s*[:|;]"
syn match yaccOper "@\d\+"
syn match yaccKey "^\s*%\(token\|type\|left\|right\|start\|ident\|nonassoc\)\>"
syn match yaccKey "\s%\(prec\|expect\)\>"
syn match yaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+"
syn keyword yaccKeyActn yyerrok yyclearin
syn match yaccUnionStart "^%union" skipwhite skipnl nextgroup=yaccUnion
syn region yaccUnion contained matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccUnionGroup
syn region yaccUnionCurly contained matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccUnionGroup
syn match yaccBrkt contained "[<>]"
syn match yaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=yaccBrkt
syn match yaccDefinition "^[A-Za-z][A-Za-z0-9_]*\_s*:"
" special Yacc separators
syn match yaccSectionSep "^[ \t]*%%"
syn match yaccSep "^[ \t]*%{"
syn match yaccSep "^[ \t]*%}"
" I'd really like to highlight just the outer {}. Any suggestions???
syn match yaccCurlyError "[{}]"
syn region yaccAction matchgroup=yaccCurly start="{" end="}" contains=ALLBUT,@yaccActionGroup
" 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_yacc_syn_inits")
if version < 508
let did_yacchdl_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
" Internal yacc highlighting links
HiLink yaccBrkt yaccStmt
HiLink yaccKey yaccStmt
HiLink yaccOper yaccStmt
HiLink yaccUnionStart yaccKey
" External yacc highlighting links
HiLink yaccCurly Delimiter
HiLink yaccCurlyError Error
HiLink yaccDefinition Function
HiLink yaccDelim Function
HiLink yaccKeyActn Special
HiLink yaccSectionSep Todo
HiLink yaccSep Delimiter
HiLink yaccStmt Statement
HiLink yaccType Type
" since Bram doesn't like my Delimiter :|
HiLink Delimiter Type
delcommand HiLink
endif
let b:current_syntax = "yacc"
" vim: ts=15
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