Add syntax files from upstream vim repository

1 files changed, 123 insertions, 0 deletions

diff --git a/syntax/yacc.vim b/syntax/yacc.vim
new file mode 100644
index 00000000..052995d3
--- /dev/null
+++ b/syntax/yacc.vim
@@ -0,0 +1,123 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" 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
+
+endif