# Bison Regressions. -*- Autotest -*-
-# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004 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
# 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);
%%
]])
-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
%%
]])
-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
%%
]])
-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
]])
};
]])
-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 $end
1 @1: /* empty */
Terminals, with rules where they appear
-$ (0) 0
+$end (0) 0
'a' (97) 2
'b' (98) 2
'c' (99) 4
Nonterminals, with rules where they appear
-$axiom (6)
+$accept (6)
on left: 0
expr (7)
on left: 2 4, on right: 0
state 0
- 0 $axiom: . expr $
+ 0 $accept: . expr $end
'a' shift, and go to 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
state 5
- 0 $axiom: expr $ .
+ 0 $accept: expr $end .
- $default accept
+ $default accept
state 6
%%
]])
-AT_CHECK([bison -v input.y -o input.c])
+AT_CHECK([bison -v -o input.c input.y])
AT_CLEANUP
?
default: 'a' }
%&
-%a
+%a-does-not-exist
%-
%{
]])
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
AT_SETUP([Token definitions])
# Bison managed, when fed with `%token 'f' "f"' to #define 'f'!
-AT_DATA([input.y],
+AT_DATA_GRAMMAR([input.y],
[%{
void yyerror (const char *s);
int yylex (void);
%}
-[%token YYEOF 0 "end of file"
+[%token MYEOF 0 "end of file"
%token 'a' "a"
%token b "b"
%token c 'c'
exp: "a";
]])
-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
+
+
+
+## -------------------- ##
+## 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 -o input.c input.y])
+AT_COMPILE([input.o], [-c input.c])
AT_CLEANUP
AT_CHECK([cat input.output], 0,
[[Grammar
- 0 $axiom: CONST_DEC_PART $
+ 0 $accept: CONST_DEC_PART $end
1 CONST_DEC_PART: CONST_DEC_LIST
Terminals, with rules where they appear
-$ (0) 0
+$end (0) 0
';' (59) 5
'=' (61) 5
error (256)
Nonterminals, with rules where they appear
-$axiom (7)
+$accept (7)
on left: 0
CONST_DEC_PART (8)
on left: 1, on right: 0
state 0
- 0 $axiom: . CONST_DEC_PART $
+ 0 $accept: . CONST_DEC_PART $end
$default reduce using rule 4 (@1)
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
state 5
- 0 $axiom: CONST_DEC_PART $ .
+ 0 $accept: CONST_DEC_PART $end .
- $default accept
+ $default accept
state 6
#
# It used to be wrong on yydefact only:
#
-# static const short yydefact[] =
+# static const short int yydefact[] =
# {
# - 2, 0, 1, 0, 0, 2, 3, 2, 5, 4,
# + 2, 0, 1, 0, 0, 0, 3, 2, 5, 4,
%%
]])
-AT_CHECK([bison -v input.y -o input.c])
+AT_CHECK([bison -v -o input.c input.y])
# Check only the tables. We don't use --no-parser, because it is
# still to be implemented in the experimental branch of Bison.
{
0, 0, 3, 5, 6, 9, 14
};
-static const signed char yyrhs[] =
+static const yysigned_char yyrhs[] =
{
8, 0, -1, 9, -1, -1, 10, 11, -1, 3,
4, 5, 8, -1, 6, 8, -1
};
static const char *const yytname[] =
{
- "$", "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[] =
{
};
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 signed char 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 signed char yypgoto[] =
+static const yysigned_char yypgoto[] =
{
-8, -7, -8, -8, -8
};
{
10, 1, 11, 5, 6, 0, 7, 9
};
-static const signed char yycheck[] =
+static const yysigned_char yycheck[] =
{
7, 3, 9, 4, 0, -1, 6, 5
};
]])
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 <stdio.h>
+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"])
projects / bison.git / blobdiff