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Diffstat (limited to 'runtime/syntax/yacc.vim')
| -rw-r--r-- | runtime/syntax/yacc.vim | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/runtime/syntax/yacc.vim b/runtime/syntax/yacc.vim new file mode 100644 index 0000000..01e342e --- /dev/null +++ b/runtime/syntax/yacc.vim @@ -0,0 +1,119 @@ +" Vim syntax file +" Language: Yacc +" Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz> +" Last Change: Aug 31, 2016 +" Version: 15 +" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_YACC +" +" Options: {{{1 +" g:yacc_uses_cpp : if this variable exists, then C++ is loaded rather than C + +" --------------------------------------------------------------------- +" this version of syntax/yacc.vim requires 6.0 or later +if exists("b:current_syntax") + syntax clear +endif + +" --------------------------------------------------------------------- +" Folding Support {{{1 +if has("folding") + com! -nargs=+ SynFold <args> fold +else + com! -nargs=+ SynFold <args> +endif + +" --------------------------------------------------------------------- +" Read the C syntax to start with {{{1 +" Read the C/C++ syntax to start with +let s:Cpath= fnameescape(expand("<sfile>:p:h").(exists("g:yacc_uses_cpp")? "/cpp.vim" : "/c.vim")) +if !filereadable(s:Cpath) + for s:Cpath in split(globpath(&rtp,(exists("g:yacc_uses_cpp")? "syntax/cpp.vim" : "syntax/c.vim")),"\n") + if filereadable(fnameescape(s:Cpath)) + let s:Cpath= fnameescape(s:Cpath) + break + endif + endfor +endif +exe "syn include @yaccCode ".s:Cpath + +" --------------------------------------------------------------------- +" Yacc Clusters: {{{1 +syn cluster yaccInitCluster contains=yaccKey,yaccKeyActn,yaccBrkt,yaccType,yaccString,yaccUnionStart,yaccHeader2,yaccComment,yaccDefines,yaccParseParam,yaccParseOption +syn cluster yaccRulesCluster contains=yaccNonterminal,yaccString,yaccComment + +" --------------------------------------------------------------------- +" Yacc Sections: {{{1 +SynFold syn region yaccInit start='.'ms=s-1,rs=s-1 matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=@yaccInitCluster nextgroup=yaccRules skipwhite skipempty contained +SynFold syn region yaccInit2 start='\%^.'ms=s-1,rs=s-1 matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=@yaccInitCluster nextgroup=yaccRules skipwhite skipempty +SynFold syn region yaccHeader2 matchgroup=yaccSep start="^\s*\zs%{" end="^\s*%}" contains=@yaccCode nextgroup=yaccInit skipwhite skipempty contained +SynFold syn region yaccHeader matchgroup=yaccSep start="^\s*\zs%{" end="^\s*%}" contains=@yaccCode nextgroup=yaccInit skipwhite skipempty +SynFold syn region yaccRules matchgroup=yaccSectionSep start='^%%$' end='^%%$'me=e-2,re=e-2 contains=@yaccRulesCluster nextgroup=yaccEndCode skipwhite skipempty contained +SynFold syn region yaccEndCode matchgroup=yaccSectionSep start='^%%$' end='\%$' contains=@yaccCode contained + +" --------------------------------------------------------------------- +" Yacc Commands: {{{1 +syn match yaccDefines '^%define\s\+.*$' +syn match yaccParseParam '%\(parse\|lex\)-param\>' skipwhite nextgroup=yaccParseParamStr +syn match yaccParseOption '%\%(api\.pure\|pure-parser\|locations\|error-verbose\)\>' +syn region yaccParseParamStr contained matchgroup=Delimiter start='{' end='}' contains=cStructure + +syn match yaccDelim "[:|]" contained +syn match yaccOper "@\d\+" contained + +syn match yaccKey "^\s*%\(token\|type\|left\|right\|start\|ident\|nonassoc\)\>" contained +syn match yaccKey "\s%\(prec\|expect\)\>" contained +syn match yaccKey "\$\(<[a-zA-Z_][a-zA-Z_0-9]*>\)\=[\$0-9]\+" contained +syn keyword yaccKeyActn yyerrok yyclearin contained + +syn match yaccUnionStart "^%union" skipwhite skipnl nextgroup=yaccUnion contained +SynFold syn region yaccUnion matchgroup=yaccCurly start="{" matchgroup=yaccCurly end="}" contains=@yaccCode contained +syn match yaccBrkt "[<>]" contained +syn match yaccType "<[a-zA-Z_][a-zA-Z0-9_]*>" contains=yaccBrkt contained + +SynFold syn region yaccNonterminal start="^\s*\a\w*\ze\_s*\(/\*\_.\{-}\*/\)\=\_s*:" matchgroup=yaccDelim end=";" matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=yaccAction,yaccDelim,yaccString,yaccComment contained +syn region yaccComment start="/\*" end="\*/" +syn match yaccString "'[^']*'" contained + + +" --------------------------------------------------------------------- +" I'd really like to highlight just the outer {}. Any suggestions??? {{{1 +syn match yaccCurlyError "[{}]" +SynFold syn region yaccAction matchgroup=yaccCurly start="{" end="}" contains=@yaccCode,yaccVar contained +syn match yaccVar '\$\d\+\|\$\$\|\$<\I\i*>\$\|\$<\I\i*>\d\+' containedin=cParen,cPreProc,cMulti contained + +" --------------------------------------------------------------------- +" Yacc synchronization: {{{1 +syn sync fromstart + +" --------------------------------------------------------------------- +" Define the default highlighting. {{{1 +if !exists("skip_yacc_syn_inits") + hi def link yaccBrkt yaccStmt + hi def link yaccComment Comment + hi def link yaccCurly Delimiter + hi def link yaccCurlyError Error + hi def link yaccDefines cDefine + hi def link yaccDelim Delimiter + hi def link yaccKeyActn Special + hi def link yaccKey yaccStmt + hi def link yaccNonterminal Function + hi def link yaccOper yaccStmt + hi def link yaccParseOption cDefine + hi def link yaccParseParam yaccParseOption + hi def link yaccSectionSep Todo + hi def link yaccSep Delimiter + hi def link yaccStmt Statement + hi def link yaccString String + hi def link yaccType Type + hi def link yaccUnionStart yaccKey + hi def link yaccVar Special +endif + +" --------------------------------------------------------------------- +" Cleanup: {{{1 +delcommand SynFold +let b:current_syntax = "yacc" + +" --------------------------------------------------------------------- +" Modelines: {{{1 +" vim: ts=15 fdm=marker |