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Named symbol references.

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Discussed in:
http://lists.gnu.org/archive/html/bison-patches/2009-01/msg00000.html
http://lists.gnu.org/archive/html/bison-patches/2009-02/msg00002.html
http://lists.gnu.org/archive/html/bison-patches/2009-03/msg00009.html

	* src/parse-gram.y: Add new syntax (named_ref.opt).
	* src/reader.c: Store named refs in symbol lists.
	* src/reader.h: New argument for symbol_append and
	action_append functions.
	* src/scan-code.h: Add new field (named_ref) into
	code_props data structure. Keeps named ref of midrule
	actions.
	* src/scan-code.l: Support for named refs in semantic
	action code. New function 'parse_named_ref'.
	* src/scan-gram.l: Support bracketed id.
	* src/symlist.c: Store named refs in symbol lists.
	* src/symlist.h: New field in symbol list: named_ref.
	* src/named-ref.h: New file, a struct for named_ref.
	* src/named-ref.c: New file, named_ref_new function.
	* src/Makefile.am: Add two new files.
	* tests/testsuite.at: Include new test group:
	* tests/named-refs.at: this new file.
This commit is contained in:
Alex Rozenman
2009-05-23 18:48:03 +03:00
parent 67f8cf51c3
commit 7685e2f7ba
14 changed files with 1161 additions and 86 deletions
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src/named-ref.h Normal file
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/* Named symbol references for Bison
Copyright 2009 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef NAMED_REF_H_
# define NAMED_REF_H_
#include "uniqstr.h"
#include "location.h"
typedef struct named_ref named_ref;
struct named_ref
{
uniqstr id;
location loc;
};
named_ref *named_ref_new (uniqstr id, location loc);
void named_ref_free (named_ref *r);
#endif /* !NAMED_REF_H_ */