X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e9955c83734d0a545d7822a1feb9c4a8038a62cb..e9813cd4f8f86fd822f2994d60cf4f9a9afe0221:/tests/torture.at diff --git a/tests/torture.at b/tests/torture.at index f536e4b4..fabab2df 100644 --- a/tests/torture.at +++ b/tests/torture.at @@ -1,5 +1,5 @@ # Torturing Bison. -*- Autotest -*- -# Copyright (C) 2001, 2002 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002, 2004, 2005 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 @@ -13,12 +13,26 @@ # 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. +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. 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. ## ## ------------------------------------- ## @@ -35,13 +49,12 @@ 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); @@ -63,8 +76,8 @@ for my $size (1 .. $max) print < #include -#include - -#define YYERROR_VERBOSE 1 -#define YYDEBUG 1 static int yylex (void); static void yyerror (const char *msg); %} -EOF +%token +EOF for my $size (1 .. $max) { - print "%token t$size $size \"$size\"\n"; + print " t$size $size \"$size\"\n"; }; print < $max) - return 0; - else - return counter++; + if (counter <= $max) + return counter++; + if (counter++ != $max + 1) + abort (); + return 0; } static void @@ -230,19 +245,24 @@ AT_SETUP([Big horizontal]) # ./input 0.00s user 0.01s sys 108% cpu 0.01 total # AT_DATA_HORIZONTAL_GRAMMAR([input.y], [1000]) -AT_CHECK([bison input.y -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input]) + +# 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_CHECK([bison -v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input]) AT_CLEANUP -# AT_DATA_LOOKAHEADS_GRAMMAR(FILE-NAME, SIZE) -# ------------------------------------------- +# AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR(FILE-NAME, SIZE) +# -------------------------------------------------- # Create FILE-NAME, containing a self checking parser for a grammar -# requiring SIZE lookaheads. -m4_define([AT_DATA_LOOKAHEADS_GRAMMAR], +# requiring SIZE lookahead tokens. +m4_define([AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR], [AT_DATA([[gengram.pl]], [[#! /usr/bin/perl -w @@ -251,13 +271,12 @@ use Text::Wrap; my $max = $ARGV[0] || 10; print < -#include -#include - -#define YYERROR_VERBOSE 1 -#define YYDEBUG 1 +# include +# include +# include static int yylex (void); static void yyerror (const char *msg); @@ -277,9 +296,10 @@ print map { "n$_" } (1 .. $max)), "\n"; +print "%token\n"; for my $count (1 .. $max) { - print "%token t$count $count \"$count\"\n"; + print " t$count $count \"$count\"\n"; }; print < $max) - return 0; + { + if (counter++ != $max + 1) + abort (); + return 0; + } if (return_token) { return_token = 0; @@ -342,39 +366,43 @@ mv stdout $1 ]) -## ----------------- ## -## Many lookaheads. ## -## ----------------- ## +## ------------------------ ## +## Many lookahead tokens. ## +## ------------------------ ## + +AT_SETUP([Many lookahead tokens]) + +AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR([input.y], [1000]) -AT_SETUP([Many lookaheads]) +# GNU m4 requires about 70 MiB for this test on a 32-bit host. +# Ask for 200 MiB, which should be plenty even on a 64-bit host. +AT_INCREASE_DATA_SIZE(204000) -AT_DATA_LOOKAHEADS_GRAMMAR([input.y], [1000]) -AT_CHECK([bison input.y -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input]) +AT_CHECK([bison -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. # exp: AT_DATA([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); %} +]$2[ %error-verbose %debug %token WAIT_FOR_EOF @@ -385,15 +413,13 @@ 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; - static int yylex (void) { + if (yylval < 0) + abort (); if (yylval--) return WAIT_FOR_EOF; else @@ -403,14 +429,41 @@ yylex (void) int main (int argc, const char **argv) { - assert (argc == 2); - yylval = atoi (argv[1]); + char *endp; + YYSTYPE yylval_init; + if (argc != 2) + abort (); + yylval_init = strtol (argv[1], &endp, 10); + if (! (argv[1] != endp + && 0 <= yylval_init && yylval_init <= INT_MAX + && errno != ERANGE)) + abort (); yydebug = 1; - return yyparse (); + { + int count; + int status; +]m4_bmatch([$2], [%push-], +[[ yypstate *yyps = yypstate_new (); +]])[ for (count = 0; count < 2; ++count) + { + int new_status; + yylval = yylval_init; +]m4_bmatch([$2], [%push-], +[[ new_status = yypull_parse (yyps); +]], +[[ new_status = yyparse (); +]])[ if (count > 0 && new_status != status) + abort (); + status = new_status; + } +]m4_bmatch([$2], [%push-], +[[ yypstate_delete (yyps); +]])[ return status; + } } ]]) -AT_CHECK([bison input.y -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) +AT_CHECK([bison -o input.c input.y]) +AT_COMPILE([input]) ]) @@ -420,15 +473,31 @@ AT_CHECK([$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]) # Two enlargements: 2 * 2 * 200. -AT_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore]) # 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]) + +AT_DATA_STACK_TORTURE([AT_USE_ALLOCA], +[[%push-pull-parser +]]) +AT_PARSER_CHECK([./input 20], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 10000], 2, [], [ignore]) + +m4_popdef([AT_USE_ALLOCA]) AT_CLEANUP @@ -441,14 +510,25 @@ 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]) # Two enlargements: 2 * 2 * 200. -AT_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore]) # 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]) + +AT_DATA_STACK_TORTURE([AT_USE_ALLOCA], +[[%push-pull-parser +]]) +AT_PARSER_CHECK([./input 20], 0, [], [ignore]) +AT_PARSER_CHECK([./input 900], 0, [], [ignore]) +AT_PARSER_CHECK([./input 10000], 2, [], [ignore]) + +m4_popdef([AT_USE_ALLOCA]) AT_CLEANUP