# Torturing Bison. -*- Autotest -*-
-# Copyright (C) 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007 Free Software Foundation,
+# Inc.
-# This program is free software; you can redistribute it and/or modify
+# 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.
-
+# 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, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Torture Tests.]])
## ------------------------ ##
-## Many lookahead tokens. ##
+## Many lookahead tokens. ##
## ------------------------ ##
AT_SETUP([Many lookahead tokens])
-# AT_DATA_STACK_TORTURE(C-PROLOGUE)
-# ---------------------------------
+# AT_DATA_STACK_TORTURE(C-PROLOGUE, [BISON-DECLS])
+# ------------------------------------------------
# A parser specialized in torturing the stack size.
m4_define([AT_DATA_STACK_TORTURE],
[# A grammar of parens growing the stack thanks to right recursion.
static int yylex (void);
static void yyerror (const char *msg);
%}
+]$2[
%error-verbose
%debug
%token WAIT_FOR_EOF
main (int argc, const char **argv)
{
char *endp;
+ YYSTYPE yylval_init;
if (argc != 2)
abort ();
- yylval = strtol (argv[1], &endp, 10);
+ yylval_init = strtol (argv[1], &endp, 10);
if (! (argv[1] != endp
- && 0 <= yylval && yylval <= INT_MAX
+ && 0 <= yylval_init && yylval_init <= INT_MAX
&& errno != ERANGE))
abort ();
yydebug = 1;
- return yyparse ();
+ {
+ int count;
+ int status;
+]m4_bmatch([$2], [%push-],
+[[ yypstate *ps = yypstate_new ();
+]])[ for (count = 0; count < 2; ++count)
+ {
+ int new_status;
+ yylval = yylval_init;
+]m4_bmatch([$2], [%push-],
+[[ new_status = yypull_parse (ps);
+]],
+[[ new_status = yyparse ();
+]])[ if (count > 0 && new_status != status)
+ abort ();
+ status = new_status;
+ }
+]m4_bmatch([$2], [%push-],
+[[ yypstate_delete (ps);
+]])[ return status;
+ }
}
]])
AT_CHECK([bison -o input.c input.y])
AT_SETUP([Exploding the Stack Size with Alloca])
-AT_DATA_STACK_TORTURE([[
+m4_pushdef([AT_USE_ALLOCA], [[
#if (defined __GNUC__ || defined __BUILTIN_VA_ARG_INCR \
|| defined _AIX || defined _MSC_VER || defined _ALLOCA_H)
# define YYSTACK_USE_ALLOCA 1
#endif
]])
+AT_DATA_STACK_TORTURE([AT_USE_ALLOCA])
+
# Below the limit of 200.
-AT_PARSER_CHECK([./input 20], 0, [], [ignore])
+AT_PARSER_CHECK([./input 20], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
# Two enlargements: 2 * 2 * 200.
-AT_PARSER_CHECK([./input 900], 0, [], [ignore])
+AT_PARSER_CHECK([./input 900], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
# Fails: beyond the limit of 10,000 (which we don't reach anyway since we
# multiply by two starting at 200 => 5120 is the last possible).
-AT_PARSER_CHECK([./input 10000], 2, [], [ignore])
+AT_PARSER_CHECK([./input 10000], 2, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+
+# The push parser can't use alloca since the stacks can't be locals. This test
+# just helps guarantee we don't let the YYSTACK_USE_ALLOCA feature affect
+# push parsers.
+AT_DATA_STACK_TORTURE([AT_USE_ALLOCA],
+[[%push-pull-parser
+]])
+AT_PARSER_CHECK([./input 20], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 900], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 10000], 2, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+
+m4_popdef([AT_USE_ALLOCA])
AT_CLEANUP
AT_SETUP([Exploding the Stack Size with Malloc])
-AT_DATA_STACK_TORTURE([[#define YYSTACK_USE_ALLOCA 0]])
+m4_pushdef([AT_USE_ALLOCA], [[#define YYSTACK_USE_ALLOCA 0]])
+
+AT_DATA_STACK_TORTURE([AT_USE_ALLOCA])
# Below the limit of 200.
-AT_PARSER_CHECK([./input 20], 0, [], [ignore])
+AT_PARSER_CHECK([./input 20], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
# Two enlargements: 2 * 2 * 200.
-AT_PARSER_CHECK([./input 900], 0, [], [ignore])
+AT_PARSER_CHECK([./input 900], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
# Fails: beyond the limit of 10,000 (which we don't reach anyway since we
# multiply by two starting at 200 => 5120 is the possible).
-AT_PARSER_CHECK([./input 10000], 2, [], [ignore])
+AT_PARSER_CHECK([./input 10000], 2, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+
+AT_DATA_STACK_TORTURE([AT_USE_ALLOCA],
+[[%push-pull-parser
+]])
+AT_PARSER_CHECK([./input 20], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 900], 0, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+AT_PARSER_CHECK([./input 10000], 2, [], [ignore],
+ [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]])
+
+m4_popdef([AT_USE_ALLOCA])
AT_CLEANUP
projects / bison.git / blobdiff