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# Checking Push Parsing. -*- Autotest -*-
# Copyright (C) 2007 Free Software Foundation, Inc.
# 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 2, 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
AT_BANNER([[Push Parsing Tests]])
## ---------------------------------------------- ##
## Push Parsing: Memory Leak for Early Deletion. ##
## ---------------------------------------------- ##
AT_SETUP([[Push Parsing: Memory Leak for Early Deletion]])
# Requires Valgrind.
AT_DATA_GRAMMAR([[input.y]],
[[
%{
#include <assert.h>
#include <stdio.h>
#define YYINITDEPTH 1
void yyerror (char const *msg);
%}
%pure-parser %push-parser
%%
start: 'a' 'b' 'c' ;
%%
void
yyerror (char const *msg)
{
fprintf (stderr, "%s\n", msg);
}
int
main (void)
{
yypstate *ps;
/* Make sure we don't try to free ps->yyss in this case. */
ps = yypstate_new ();
yypstate_delete (ps);
/* yypstate_delete used to leak ps->yyss if the stack was reallocated but the
parse did not return on success, syntax error, or memory exhaustion. */
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
yypstate_delete (ps);
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
assert (yypush_parse (ps, 'b', NULL) == YYPUSH_MORE);
yypstate_delete (ps);
return 0;
}
]])
AT_CHECK([[bison -o input.c input.y]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
AT_CLEANUP
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