X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/12b0043a6d9648eedaa64a4c8445fd9e9a9f781c..85ac3861e7c7de8877562ac0dbb1233d91c705c2:/tests/regression.at diff --git a/tests/regression.at b/tests/regression.at index 489cc29c..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); @@ -50,8 +50,8 @@ exp: MY_TOKEN; %% ]]) -AT_CHECK([bison input.y -o input.c]) -AT_COMPILE([input], [-c input.c]) +AT_CHECK([bison -o input.c input.y]) +AT_COMPILE([input.o], [-c input.c]) AT_CLEANUP @@ -72,9 +72,9 @@ exp: { tests = {{{{{{{{{{}}}}}}}}}}; }; %% ]]) -AT_CHECK([bison -v input.y -o input.c]) +AT_CHECK([bison -v -o input.c input.y]) -AT_CHECK([fgrep 'tests = {{{{{{{{{{}}}}}}}}}};' input.c], 0, [ignore]) +AT_CHECK([grep 'tests = {{{{{{{{{{}}}}}}}}}};' input.c], 0, [ignore]) AT_CLEANUP @@ -99,7 +99,7 @@ exp: '(' exp ')' | NUM ; %% ]]) -AT_CHECK([bison -v input.y -o input.c], 0, [], +AT_CHECK([bison -v -o input.c input.y], 0, [], [[input.y:6.8-14: warning: symbol `"<="' used more than once as a literal string ]]) @@ -144,13 +144,13 @@ expr: }; ]]) -AT_CHECK([bison input.y -o input.c -v]) +AT_CHECK([bison -o input.c -v input.y]) # Check the contents of the report. AT_CHECK([cat input.output], [], [[Grammar - 0 $axiom: expr $ + 0 $accept: expr $end 1 @1: /* empty */ @@ -163,7 +163,7 @@ AT_CHECK([cat input.output], [], Terminals, with rules where they appear -$ (0) 0 +$end (0) 0 'a' (97) 2 'b' (98) 2 'c' (99) 4 @@ -172,7 +172,7 @@ error (256) Nonterminals, with rules where they appear -$axiom (6) +$accept (6) on left: 0 expr (7) on left: 2 4, on right: 0 @@ -184,7 +184,7 @@ expr (7) state 0 - 0 $axiom: . expr $ + 0 $accept: . expr $end 'a' shift, and go to state 1 @@ -205,9 +205,9 @@ state 1 state 2 - 0 $axiom: expr . $ + 0 $accept: expr . $end - $ shift, and go to state 5 + $end shift, and go to state 5 state 3 @@ -226,9 +226,9 @@ state 4 state 5 - 0 $axiom: expr $ . + 0 $accept: expr $end . - $default accept + $default accept state 6 @@ -266,7 +266,7 @@ exp: ; %% ]]) -AT_CHECK([bison -v input.y -o input.c]) +AT_CHECK([bison -v -o input.c input.y]) AT_CLEANUP @@ -284,7 +284,7 @@ AT_DATA([input.y], ? default: 'a' } %& -%a +%a-does-not-exist %- %{ ]]) @@ -294,11 +294,10 @@ AT_CHECK([bison input.y], [1], [], input.y:3.14: invalid character: `}' input.y:4.1: invalid character: `%' input.y:4.2: invalid character: `&' -input.y:5.1: 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 a prologue -input.y:7.1-8.0: parse error, unexpected PROLOGUE, expecting ";" or "|" +input.y:7.1-8.0: missing `%}' at end of file ]]) AT_CLEANUP @@ -313,22 +312,74 @@ 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]) +AT_PARSER_CHECK([./input], 1, [], +[syntax error, unexpected \'?" + ??!, expecting a +]) +AT_CLEANUP + + + +## -------------------- ## +## Characters Escapes. ## +## -------------------- ## + + +AT_SETUP([Characters Escapes]) + +AT_DATA_GRAMMAR([input.y], +[%{ +void yyerror (const char *s); +int yylex (void); +%} +[%% +exp: + '\'' "\'" +| '\"' "\"" +| '"' "'" +; ]]) +# Pacify font-lock-mode: " -AT_CHECK([bison input.y -o input.c]) -AT_COMPILE([input], [input.c -c]) +AT_CHECK([bison -o input.c input.y]) +AT_COMPILE([input.o], [-c input.c]) AT_CLEANUP @@ -371,7 +422,7 @@ AT_CHECK([bison -v input.y]) AT_CHECK([cat input.output], 0, [[Grammar - 0 $axiom: CONST_DEC_PART $ + 0 $accept: CONST_DEC_PART $end 1 CONST_DEC_PART: CONST_DEC_LIST @@ -385,7 +436,7 @@ AT_CHECK([cat input.output], 0, Terminals, with rules where they appear -$ (0) 0 +$end (0) 0 ';' (59) 5 '=' (61) 5 error (256) @@ -395,7 +446,7 @@ const_id_tok (259) 5 Nonterminals, with rules where they appear -$axiom (7) +$accept (7) on left: 0 CONST_DEC_PART (8) on left: 1, on right: 0 @@ -409,7 +460,7 @@ CONST_DEC (10) state 0 - 0 $axiom: . CONST_DEC_PART $ + 0 $accept: . CONST_DEC_PART $end $default reduce using rule 4 (@1) @@ -421,9 +472,9 @@ state 0 state 1 - 0 $axiom: CONST_DEC_PART . $ + 0 $accept: CONST_DEC_PART . $end - $ shift, and go to state 5 + $end shift, and go to state 5 state 2 @@ -454,9 +505,9 @@ state 4 state 5 - 0 $axiom: CONST_DEC_PART $ . + 0 $accept: CONST_DEC_PART $end . - $default accept + $default accept state 6 @@ -509,7 +560,7 @@ AT_CLEANUP # # It used to be wrong on yydefact only: # -# static const short yydefact[] = +# static const short int yydefact[] = # { # - 2, 0, 1, 0, 0, 2, 3, 2, 5, 4, # + 2, 0, 1, 0, 0, 0, 3, 2, 5, 4, @@ -532,7 +583,7 @@ else: "else" statement; %% ]]) -AT_CHECK([bison -v input.y -o input.c]) +AT_CHECK([bison -v -o input.c input.y]) # Check only the tables. We don't use --no-parser, because it is # still to be implemented in the experimental branch of Bison. @@ -573,7 +624,7 @@ static const unsigned char yyprhs[] = { 0, 0, 3, 5, 6, 9, 14 }; -static const signed char yyrhs[] = +static const yysigned_char yyrhs[] = { 8, 0, -1, 9, -1, -1, 10, 11, -1, 3, 4, 5, 8, -1, 6, 8, -1 @@ -584,12 +635,12 @@ static const unsigned char yyrline[] = }; static const char *const yytname[] = { - "$", "error", "$undefined.", "\"if\"", "\"const\"", "\"then\"", - "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", 0 + "$end", "error", "$undefined", "if", "const", "then", "else", "$accept", + "statement", "struct_stat", "if", "else", 0 }; -static const short yytoknum[] = +static const unsigned short int yytoknum[] = { - 0, 256, 257, 258, 259, 260, 261, -1 + 0, 256, 257, 258, 259, 260, 261 }; static const unsigned char yyr1[] = { @@ -599,29 +650,29 @@ static const unsigned char yyr2[] = { 0, 2, 1, 0, 2, 4, 2 }; -static const short yydefact[] = +static const unsigned char yydefact[] = { - 3, 0, 0, 2, 0, 0, 0, 3, 4, 3, + 3, 0, 0, 2, 0, 0, 1, 3, 4, 3, 6, 5 }; -static const short yydefgoto[] = +static const yysigned_char yydefgoto[] = { -1, 2, 3, 4, 8 }; -static const signed char yypact[] = +static const yysigned_char yypact[] = { -2, -1, 4, -8, 0, 2, -8, -2, -8, -2, -8, -8 }; -static const short yypgoto[] = +static const yysigned_char yypgoto[] = { -8, -7, -8, -8, -8 }; -static const signed char yytable[] = +static const unsigned char yytable[] = { 10, 1, 11, 5, 6, 0, 7, 9 }; -static const short yycheck[] = +static const yysigned_char yycheck[] = { 7, 3, 9, 4, 0, -1, 6, 5 }; @@ -633,3 +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"])