" Vim syntax file
" Language: AYacc
" Maintainer: Mathieu Clabaut <mathieu.clabaut@free.fr>
" LastChange: 2011 Dec 25
" Original: Yacc, maintained by Dr. Charles E. Campbell, Jr.
" Comment: Replaced sourcing c.vim file by ada.vim and rename yacc*
" in ayacc*
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
" Read the Ada syntax to start with
runtime! syntax/ada.vim
unlet b:current_syntax
let s:cpo_save = &cpo
set cpo&vim
" Clusters
syn cluster ayaccActionGroup contains=ayaccDelim,cInParen,cTodo,cIncluded,ayaccDelim,ayaccCurlyError,ayaccUnionCurly,ayaccUnion,cUserLabel,cOctalZero,cCppOut2,cCppSkip,cErrInBracket,cErrInParen,cOctalError
syn cluster ayaccUnionGroup contains=ayaccKey,cComment,ayaccCurly,cType,cStructure,cStorageClass,ayaccUnionCurly
" Yacc stuff
syn match ayaccDelim "^[ \t]*[:|;]"
syn match ayaccOper "@\d\+"
syn match ayaccKey "^[ \t]*%\(token\|type\|left\|right\|start\|ident\)\>"
syn match ayaccKey "[ \t]%\(prec\|expect\|nonassoc\)\>"
syn match ayaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+"
syn keyword ayaccKeyActn yyerrok yyclearin
syn match ayaccUnionStart "^%union" skipwhite skipnl nextgroup=ayaccUnion
syn region ayaccUnion contained matchgroup=ayaccCurly start="{" matchgroup=ayaccCurly end="}" contains=@ayaccUnionGroup
syn region ayaccUnionCurly contained matchgroup=ayaccCurly start="{" matchgroup=ayaccCurly end="}" contains=@ayaccUnionGroup
syn match ayaccBrkt contained "[<>]"
syn match ayaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=ayaccBrkt
syn match ayaccDefinition "^[A-Za-z][A-Za-z0-9_]*[ \t]*:"
" special Yacc separators
syn match ayaccSectionSep "^[ \t]*%%"
syn match ayaccSep "^[ \t]*%{"
syn match ayaccSep "^[ \t]*%}"
" I'd really like to highlight just the outer {}. Any suggestions???
syn match ayaccCurlyError "[{}]"
syn region ayaccAction matchgroup=ayaccCurly start="{" end="}" contains=ALLBUT,@ayaccActionGroup
" Internal ayacc highlighting links
hi def link ayaccBrkt ayaccStmt
hi def link ayaccKey ayaccStmt
hi def link ayaccOper ayaccStmt
hi def link ayaccUnionStart ayaccKey
" External ayacc highlighting links
hi def link ayaccCurly Delimiter
hi def link ayaccCurlyError Error
hi def link ayaccDefinition Function
hi def link ayaccDelim Function
hi def link ayaccKeyActn Special
hi def link ayaccSectionSep Todo
hi def link ayaccSep Delimiter
hi def link ayaccStmt Statement
hi def link ayaccType Type
" since Bram doesn't like my Delimiter :|
hi def link Delimiter Type
let b:current_syntax = "ayacc"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=15
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