X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/680e8701b5ad9718f18f1493e30134b52bceaaca..57597927ef1b9cc751df4314764a6edd575ffc8b:/tests/torture.at?ds=sidebyside diff --git a/tests/torture.at b/tests/torture.at index a219f38a..5489e919 100644 --- a/tests/torture.at +++ b/tests/torture.at @@ -1,24 +1,38 @@ # Torturing Bison. -*- Autotest -*- -# Copyright (C) 2001, 2002 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. +# Copyright (C) 2001-2002, 2004-2007, 2009-2013 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 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., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# along with this program. If not, see . AT_BANNER([[Torture Tests.]]) +# AT_INCREASE_DATA_SIZE(SIZE) +# --------------------------- +# Try to increase the data size to SIZE KiB if possible. +m4_define([AT_INCREASE_DATA_SIZE], +[data_limit=`(ulimit -S -d) 2>/dev/null` +case $data_limit in +[[0-9]]*) + if test "$data_limit" -lt $1; then + AT_CHECK([ulimit -S -d $1 || exit 77]) + ulimit -S -d $1 + fi +esac]) + + ## ------------------------------------- ## ## Creating a large artificial grammar. ## ## ------------------------------------- ## @@ -27,27 +41,25 @@ AT_BANNER([[Torture Tests.]]) # ------------------------------------------- # Create FILE-NAME, containing a self checking parser for a huge # triangular grammar. -# FIXME: The `10 *' below are there to avoid clashes with predefined -# tokens. These clashes should be exercised, I'm afraid something -# is broken wrt previous Bisons. m4_define([AT_DATA_TRIANGULAR_GRAMMAR], -[AT_DATA([[gengram.pl]], +[AT_BISON_OPTION_PUSHDEFS +AT_DATA([[gengram.pl]], [[#! /usr/bin/perl -w use strict; my $max = $ARGV[0] || 10; print < #include #include - -#define YYERROR_VERBOSE 1 -#define YYDEBUG 1 - -static int yylex (void); -static void yyerror (const char *msg); +#define MAX $max +]AT_YYLEX_DECLARE[ +]AT_YYERROR_DECLARE[ %} %union { @@ -60,7 +72,7 @@ EOF for my $size (1 .. $max) { - print "%token \"$size\" ", $size * 10, "\n"; + print "%token t$size $size \"$size\"\n"; }; print < $max) + if (outer > MAX) return 0; else if (inner > outer) { @@ -100,98 +113,333 @@ yylex (void) ++outer; return END; } - return inner++ * 10; + return inner++; } +]AT_MAIN_DEFINE[ +EOF +]]) +AT_BISON_OPTION_POPDEFS + +AT_CHECK([$PERL -w ./gengram.pl $2 || exit 77], 0, [stdout]) +mv stdout $1 +]) + + +## -------------- ## +## Big triangle. ## +## -------------- ## + +AT_SETUP([Big triangle]) + +# I have been able to go up to 2000 on my machine. +# I tried 3000, a 29Mb grammar file, but then my system killed bison. +# With 500 and the new parser, which consume far too much memory, +# it gets killed too. Of course the parser is to be cleaned. +AT_DATA_TRIANGULAR_GRAMMAR([input.y], [200]) +AT_BISON_CHECK_NO_XML([-v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input]) + +AT_CLEANUP + + + +# AT_DATA_HORIZONTAL_GRAMMAR(FILE-NAME, SIZE) +# ------------------------------------------- +# Create FILE-NAME, containing a self checking parser for a huge +# horizontal grammar. +m4_define([AT_DATA_HORIZONTAL_GRAMMAR], +[AT_BISON_OPTION_PUSHDEFS +AT_DATA([[gengram.pl]], +[[#! /usr/bin/perl -w + +use strict; +my $max = $ARGV[0] || 10; + +print < +#include +#define MAX $max +]AT_YYLEX_DECLARE[ +]AT_YYERROR_DECLARE[ +%} + +%token +EOF +for my $size (1 .. $max) + { + print " t$size $size \"$size\"\n"; + }; -static void -yyerror (const char *msg) +print < +]AT_YYERROR_DEFINE[ +static int +yylex (void) { - fprintf (stderr, "%s\\n", msg); + static int counter = 1; + if (counter <= MAX) + return counter++; + assert (counter++ == MAX + 1); + return 0; } +]AT_MAIN_DEFINE[ +EOF +]]) -int -main (void) +AT_CHECK([$PERL -w ./gengram.pl $2 || exit 77], 0, [stdout]) +mv stdout $1 +AT_BISON_OPTION_POPDEFS +]) + + +## ---------------- ## +## Big horizontal. ## +## ---------------- ## + +AT_SETUP([Big horizontal]) + +# I have been able to go up to 10000 on my machine, but I had to +# increase the maximum stack size (* 100). It gave: +# +# input.y 263k +# input.tab.c 1.3M +# input 453k +# +# gengram.pl 10000 0.70s user 0.01s sys 99% cpu 0.711 total +# bison input.y 730.56s user 0.53s sys 99% cpu 12:12.34 total +# gcc -Wall input.tab.c -o input 5.81s user 0.20s sys 100% cpu 6.01 total +# ./input 0.00s user 0.01s sys 108% cpu 0.01 total +# +AT_DATA_HORIZONTAL_GRAMMAR([input.y], [1000]) + +# GNU m4 requires about 70 MiB for this test on a 32-bit host. +# Ask for 200 MiB, which should be plenty even on a 64-bit host. +AT_INCREASE_DATA_SIZE(204000) + +AT_BISON_CHECK_NO_XML([-v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input]) + +AT_CLEANUP + + + +# AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR(FILE-NAME, SIZE) +# -------------------------------------------------- +# Create FILE-NAME, containing a self checking parser for a grammar +# requiring SIZE lookahead tokens. +m4_define([AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR], +[AT_BISON_OPTION_PUSHDEFS +AT_DATA([[gengram.pl]], +[[#! /usr/bin/perl -w + +use strict; +use Text::Wrap; +my $max = $ARGV[0] || 10; + +print < +# include +# include +# define MAX $max +]AT_YYLEX_DECLARE[ +]AT_YYERROR_DECLARE[ +%} +%union +{ + int val; +}; + +%type input exp +%token token +EOF + +print + wrap ("%type ", + " ", + map { "n$_" } (1 .. $max)), + "\n"; + +print "%token\n"; +for my $count (1 .. $max) + { + print " t$count $count \"$count\"\n"; + }; + +print < MAX) + { + assert (counter++ == MAX + 1); + return 0; + } + if (return_token) + { + return_token = 0; + return token; + } + return_token = 1; + return counter++; } + +]AT_MAIN_DEFINE[ EOF ]]) -AT_CHECK([perl -w ./gengram.pl $2 || exit 77], 0, [stdout]) +AT_CHECK([$PERL -w ./gengram.pl $2 || exit 77], 0, [stdout]) mv stdout $1 +AT_BISON_OPTION_POPDEFS ]) -## -------------- ## -## Big triangle. ## -## -------------- ## +## ------------------------ ## +## Many lookahead tokens. ## +## ------------------------ ## -AT_SETUP([Big triangle]) +AT_SETUP([Many lookahead tokens]) -AT_DATA_TRIANGULAR_GRAMMAR([input.y], [253]) -AT_CHECK([bison input.y -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input]) +AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR([input.y], [1000]) + +# GNU m4 requires about 70 MiB for this test on a 32-bit host. +# Ask for 200 MiB, which should be plenty even on a 64-bit host. +AT_INCREASE_DATA_SIZE(204000) + +AT_BISON_CHECK([-v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input]) AT_CLEANUP -# 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. +[AT_BISON_OPTION_PUSHDEFS([$2]) +# A grammar of parens growing the stack thanks to right recursion. # exp: -AT_DATA([input.y], +AT_DATA_GRAMMAR([input.y], [[%{ +#include +#include #include #include -#include ]$1[ - static int yylex (void); - static void yyerror (const char *msg); -#define YYPRINT(File, Type, Value) \ - fprintf (File, " (%d, stack size = %d, max = %d)", \ - Value, yyssp - yyss + 1, yystacksize); + ]AT_YYLEX_DECLARE[ + ]AT_YYERROR_DECLARE[ %} +]$2[ %error-verbose %debug %token WAIT_FOR_EOF %% exp: WAIT_FOR_EOF exp | ; %% -static void -yyerror (const char *msg) -{ - fprintf (stderr, "%s\n", msg); - exit (1); -} - -/* There are YYLVAL_MAX of WAIT_FOR_EOFs. */ -unsigned int yylval_max; - +]AT_YYERROR_DEFINE[ +#include static int yylex (void) { + assert (0 <= yylval); if (yylval--) return WAIT_FOR_EOF; else return EOF; } +/* Return argv[1] as an int. */ +static int +get_args (int argc, const char **argv) +{ + int res; + char *endp; + assert (argc == 2); + res = strtol (argv[1], &endp, 10); + assert (argv[1] != endp); + assert (0 <= res); + assert (res <= INT_MAX); + assert (errno != ERANGE); + return res; +} + int main (int argc, const char **argv) { - assert (argc == 2); - yylval = atoi (argv[1]); - yydebug = 1; - return yyparse (); + YYSTYPE yylval_init = get_args (argc, argv); + int status = 0; + int count; +]m4_bmatch([$2], [api.push-pull both], +[[ yypstate *ps = yypstate_new (); +]])[ yydebug = 1; + for (count = 0; count < 2; ++count) + { + int new_status; + yylval = yylval_init; + new_status = ]m4_bmatch([$2], [api.push-pull both], + [[yypull_parse (ps)]], + [[yyparse ()]])[; + if (count == 0) + status = new_status; + else + assert (new_status == status); + }]m4_bmatch([$2], [api.push-pull both],[[ + yypstate_delete (ps);]])[ + return status; } ]]) -AT_CHECK([bison input.y -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) +AT_BISON_OPTION_POPDEFS([$2]) +AT_BISON_CHECK([-o input.c input.y]) +AT_COMPILE([input]) ]) @@ -201,15 +449,40 @@ AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) AT_SETUP([Exploding the Stack Size with Alloca]) -AT_DATA_STACK_TORTURE +m4_pushdef([AT_USE_ALLOCA], [[ +#if (defined __GNUC__ || defined __BUILTIN_VA_ARG_INCR \ + || defined _AIX || defined _MSC_VER || defined _ALLOCA_H) +# define YYSTACK_USE_ALLOCA 1 +#endif +]]) + +AT_DATA_STACK_TORTURE([AT_USE_ALLOCA]) # Below the limit of 200. -AT_CHECK([./input 20], 0, [], [ignore]) +AT_PARSER_CHECK([./input 20], 0, [], [ignore], + [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]]) # Two enlargements: 2 * 2 * 200. -AT_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore], + [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]]) # Fails: beyond the limit of 10,000 (which we don't reach anyway since we # multiply by two starting at 200 => 5120 is the last possible). -AT_CHECK([./input 10000], 1, [], [ignore]) +AT_PARSER_CHECK([./input 10000], 2, [], [ignore], + [[VALGRIND_OPTS="$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], +[[%define api.push-pull both +]]) +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="$VALGRIND_OPTS --log-fd=1"]]) + +m4_popdef([AT_USE_ALLOCA]) AT_CLEANUP @@ -222,14 +495,31 @@ AT_CLEANUP AT_SETUP([Exploding the Stack Size with Malloc]) -AT_DATA_STACK_TORTURE([[#define YYSTACK_USE_ALLOCA 0]]) +m4_pushdef([AT_USE_ALLOCA], [[#define YYSTACK_USE_ALLOCA 0]]) + +AT_DATA_STACK_TORTURE([AT_USE_ALLOCA]) # Below the limit of 200. -AT_CHECK([./input 20], 0, [], [ignore]) +AT_PARSER_CHECK([./input 20], 0, [], [ignore], + [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]]) # Two enlargements: 2 * 2 * 200. -AT_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore], + [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]]) # Fails: beyond the limit of 10,000 (which we don't reach anyway since we # multiply by two starting at 200 => 5120 is the possible). -AT_CHECK([./input 10000], 1, [], [ignore]) +AT_PARSER_CHECK([./input 10000], 2, [], [ignore], + [[VALGRIND_OPTS="$VALGRIND_OPTS --log-fd=1"]]) + +AT_DATA_STACK_TORTURE([AT_USE_ALLOCA], +[[%define api.push-pull both +]]) +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