X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2dfbfc122c5d609383d87267b4b4b2494d6bdfd9..85ac3861e7c7de8877562ac0dbb1233d91c705c2:/tests/regression.at diff --git a/tests/regression.at b/tests/regression.at index b162419e..fe7c31b4 100644 --- a/tests/regression.at +++ b/tests/regression.at @@ -1,5 +1,5 @@ # Bison Regressions. -*- Autotest -*- -# Copyright (C) 2001, 2002 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002, 2003, 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 @@ -13,8 +13,8 @@ # 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([[Regression tests.]]) @@ -29,7 +29,7 @@ AT_SETUP([Early token definitions]) # Found in GCJ: they expect the tokens to be defined before the user # prologue, so that they can use the token definitions in it. -AT_DATA([input.y], +AT_DATA_GRAMMAR([input.y], [[%{ void yyerror (const char *s); int yylex (void); @@ -297,8 +297,7 @@ input.y:4.2: invalid character: `&' input.y:5.1-17: invalid directive: `%a-does-not-exist' input.y:6.1: invalid character: `%' input.y:6.2: invalid character: `-' -input.y:7.1-8.0: unexpected end of file in `%{ ... %}' -input.y:7.1-8.0: parse error, unexpected "%{...%}", expecting ";" or "|" +input.y:7.1-8.0: missing `%}' at end of file ]]) AT_CLEANUP @@ -313,22 +312,47 @@ AT_CLEANUP AT_SETUP([Token definitions]) # Bison managed, when fed with `%token 'f' "f"' to #define 'f'! -AT_DATA([input.y], +AT_DATA_GRAMMAR([input.y], [%{ +#include void yyerror (const char *s); int yylex (void); %} -[%token YYEOF 0 "end of file" +[%error-verbose +%token MYEOF 0 "end of file" %token 'a' "a" -%token b "b" -%token c 'c' -%token 'd' d +%token B_TOKEN "b" +%token C_TOKEN 'c' +%token 'd' D_TOKEN +%token SPECIAL "\\\'\?\"\n\t??!" +%% +exp: "a" "\\\'\?\"\n\t??!"; %% -exp: "a"; +void +yyerror (char const *s) +{ + fprintf (stderr, "%s\n", s); +} + +int +yylex (void) +{ + return SPECIAL; +} + +int +main (void) +{ + return yyparse (); +} ]]) AT_CHECK([bison -o input.c input.y]) -AT_COMPILE([input.o], [-c input.c]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input], 1, [], +[syntax error, unexpected \'?" + ??!, expecting a +]) AT_CLEANUP @@ -340,7 +364,7 @@ AT_CLEANUP AT_SETUP([Characters Escapes]) -AT_DATA([input.y], +AT_DATA_GRAMMAR([input.y], [%{ void yyerror (const char *s); int yylex (void); @@ -352,6 +376,7 @@ exp: | '"' "'" ; ]]) +# Pacify font-lock-mode: " AT_CHECK([bison -o input.c input.y]) AT_COMPILE([input.o], [-c input.c]) @@ -535,7 +560,7 @@ AT_CLEANUP # # It used to be wrong on yydefact only: # -# static const short yydefact[] = +# static const short int yydefact[] = # { # - 2, 0, 1, 0, 0, 2, 3, 2, 5, 4, # + 2, 0, 1, 0, 0, 0, 3, 2, 5, 4, @@ -610,10 +635,10 @@ static const unsigned char yyrline[] = }; static const char *const yytname[] = { - "$end", "error", "$undefined", "\"if\"", "\"const\"", "\"then\"", - "\"else\"", "$accept", "statement", "struct_stat", "if", "else", 0 + "$end", "error", "$undefined", "if", "const", "then", "else", "$accept", + "statement", "struct_stat", "if", "else", 0 }; -static const unsigned short yytoknum[] = +static const unsigned short int yytoknum[] = { 0, 256, 257, 258, 259, 260, 261 }; @@ -659,3 +684,134 @@ static const unsigned char yystos[] = ]]) AT_CLEANUP + + +## ------------------------- ## +## yycheck Bound Violation. ## +## ------------------------- ## + + +# _AT_DATA_DANCER_Y(BISON-OPTIONS) +# -------------------------------- +# The following grammar, taken from Andrew Suffield's GPL'd implementation +# of DGMTP, the Dancer Generic Message Transport Protocol, used to violate +# yycheck's bounds where issuing a verbose error message. Keep this test +# so that possible bound checking compilers could check all the skeletons. +m4_define([_AT_DATA_DANCER_Y], +[AT_DATA_GRAMMAR([dancer.y], +[%{ +static int yylex (AT_LALR1_CC_IF([int *], [void])); +AT_LALR1_CC_IF([], +[#include +static void yyerror (const char *);]) +%} +$1 +%token ARROW INVALID NUMBER STRING DATA +%defines +%verbose +%error-verbose +/* Grammar follows */ +%% +line: header body + ; + +header: '<' from ARROW to '>' type ':' + | '<' ARROW to '>' type ':' + | ARROW to type ':' + | type ':' + | '<' '>' + ; + +from: DATA + | STRING + | INVALID + ; + +to: DATA + | STRING + | INVALID + ; + +type: DATA + | STRING + | INVALID + ; + +body: /* empty */ + | body member + ; + +member: STRING + | DATA + | '+' NUMBER + | '-' NUMBER + | NUMBER + | INVALID + ; +%% +AT_LALR1_CC_IF( +[/* A C++ error reporting function. */ +void +yy::parser::error (const location&, const std::string& m) +{ + std::cerr << m << std::endl; +} + +int +yyparse () +{ + yy::parser parser; + parser.set_debug_level (!!YYDEBUG); + return parser.parse (); +} +], +[static void +yyerror (const char *s) +{ + fprintf (stderr, "%s\n", s); +}]) + +static int +yylex (AT_LALR1_CC_IF([int *lval], [void])) +[{ + static int toknum = 0; + int tokens[] = + { + ':', -1 + }; + ]AT_LALR1_CC_IF([*lval = 0; /* Pacify GCC. */])[ + return tokens[toknum++]; +}] + +int +main (void) +{ + return yyparse (); +} +]) +])# _AT_DATA_DANCER_Y + + +# AT_CHECK_DANCER(BISON-OPTIONS) +# ------------------------------ +# Generate the grammar, compile it, run it. +m4_define([AT_CHECK_DANCER], +[AT_SETUP([Dancer $1]) +AT_BISON_OPTION_PUSHDEFS([$1]) +_AT_DATA_DANCER_Y([$1]) +AT_CHECK([bison -o dancer.c dancer.y]) +AT_LALR1_CC_IF( + [AT_CHECK([bison -o dancer.cc dancer.y]) + AT_COMPILE_CXX([dancer])], + [AT_CHECK([bison -o dancer.c dancer.y]) + AT_COMPILE([dancer])]) +AT_PARSER_CHECK([./dancer], 1, [], +[syntax error, unexpected ':' +]) +AT_BISON_OPTION_POPDEFS +AT_CLEANUP +]) + +AT_CHECK_DANCER() +AT_CHECK_DANCER([%glr-parser]) +AT_CHECK_DANCER([%skeleton "lalr1.cc"])