bison ./ChangeLog src/output.c src/reader.h src...

CVSROOT:	/cvsroot/bison
Module name:	bison
Branch: 	
Changes by:	Paul N. Hilfinger <[email protected]>	03/06/09 22:44:58

Modified files:
	.              : ChangeLog 
	src            : output.c reader.h scan-gram.l 
	tests          : cxx-type.at 
	data           : glr.c 

Log message:
	* data/glr.c (YYERROR): Update definition.
	(yyrecoverSyntaxError): Correct yyerrState logic. Correct comment.
	Allow states with only a default reduction.
	
	Fixes to avoid problem that $-N rules in GLR parsers can cause
	buffer overruns, corrupting state.
	
	* src/output.c (prepare_rules): Output max_left_semantic_context.
	* src/reader.h (max_left_semantic_context): New
	* src/scan-gram.l (max_left_semantic_context): Define.
	(handle_action_dollar): Update max_left_semantic_context.
	* data/glr.c (YYMAXLEFT): New.
	(yydoAction): Increase yyrhsVals size.
	(yyresolveAction): Ditto.
	
	Fixes to problems with location handling in GLR parsers reported by
	Frank Heckenbach (2003/06/05).
	
	* data/glr.c (YYLTYPE): Make trivial if locations not used.
	(YYRHSLOC): Add parentheses, make depend on whether locations used.
	(YYLLOC_DEFAULT): Ditto.
	(yyuserAction): Use YYLLOC_DEFAULT.
	(yydoAction): Remove redundant code.
	
	* tests/cxx-type.at: Exercise location information.
	(yylex): Track locations.
	(stmtMerge): Return value rather than printing.

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/ChangeLog.diff?tr1=1.1049&tr2=1.1050&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/src/output.c.diff?tr1=1.221&tr2=1.222&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/src/reader.h.diff?tr1=1.39&tr2=1.40&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/src/scan-gram.l.diff?tr1=1.61&tr2=1.62&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/tests/cxx-type.at.diff?tr1=1.14&tr2=1.15&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/bison/bison/data/glr.c.diff?tr1=1.56&tr2=1.57&r1=text&r2=text