AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([-v -o input.c input.y], 0, [],
-[[input.y:6.8-14: warning: symbol "<=" used more than once as a literal string
+[[input.y:6.8-14: warning: symbol "<=" used more than once as a literal string [-Wother]
]])
AT_CLEANUP
on left: 3, on right: 4
-state 0
+State 0
0 $accept: . expr $end
$@2 go to state 3
-state 1
+State 1
2 expr: 'a' . $@1 'b'
$@1 go to state 4
-state 2
+State 2
0 $accept: expr . $end
$end shift, and go to state 5
-state 3
+State 3
4 expr: $@2 . 'c'
'c' shift, and go to state 6
-state 4
+State 4
2 expr: 'a' $@1 . 'b'
'b' shift, and go to state 7
-state 5
+State 5
0 $accept: expr $end .
$default accept
-state 6
+State 6
4 expr: $@2 'c' .
$default reduce using rule 4 (expr)
-state 7
+State 7
2 expr: 'a' $@1 'b' .
+## ---------------- ##
+## Invalid inputs. ##
+## ---------------- ##
+
+
+AT_SETUP([Invalid inputs])
+
+AT_DATA([input.y],
+[[%%
+?
+default: 'a' }
+%&
+%a-does-not-exist
+%-
+%{
+]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:2.1: error: invalid character: '?'
+input.y:3.14: error: invalid character: '}'
+input.y:4.1: error: invalid character: '%'
+input.y:4.2: error: invalid character: '&'
+input.y:5.1-17: error: invalid directive: '%a-does-not-exist'
+input.y:6.1: error: invalid character: '%'
+input.y:6.2: error: invalid character: '-'
+input.y:7.1-8.0: error: missing '%}' at end of file
+input.y:7.1-8.0: error: syntax error, unexpected %{...%}
+]])
+
+AT_CLEANUP
+
+
+AT_SETUP([Invalid inputs with {}])
+
+AT_DATA([input.y],
+[[
+%destructor
+%initial-action
+%lex-param
+%parse-param
+%printer
+%union
+]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:3.1-15: error: syntax error, unexpected %initial-action, expecting {...}
+]])
+
+AT_CLEANUP
+
+
+
## ------------------- ##
## Token definitions. ##
## ------------------- ##
# C-string literal. Also notice that unnecessary escaping, such as "\?", from
# the user specification is eliminated.
AT_BISON_CHECK([-o input.c input.y], [[0]], [[]],
-[[input.y:22.8-14: warning: symbol SPECIAL redeclared
-input.y:22.8-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string
+[[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
+input.y:22.8-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
+]])
+AT_BISON_CHECK([-fcaret -o input.c input.y], [[0]], [[]],
+[[input.y:22.8-14: warning: symbol SPECIAL redeclared [-Wother]
+ %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
+ ^^^^^^^
+input.y:22.8-63: warning: symbol "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!" used more than once as a literal string [-Wother]
+ %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
]])
AT_COMPILE([input])
AT_KEYWORDS([report])
AT_DATA([input.y],
-[[%token undef_id_tok const_id_tok
+[[%token undef_id_tok const_id_tok
%start CONST_DEC_PART
\f
;
CONST_DEC_LIST:
- CONST_DEC
+ CONST_DEC
| CONST_DEC_LIST CONST_DEC
;
CONST_DEC:
- { } undef_id_tok '=' const_id_tok ';'
+ { } undef_id_tok '=' const_id_tok ';'
;
%%
]])
on left: 4, on right: 5
-state 0
+State 0
0 $accept: . CONST_DEC_PART $end
$@1 go to state 4
-state 1
+State 1
0 $accept: CONST_DEC_PART . $end
$end shift, and go to state 5
-state 2
+State 2
1 CONST_DEC_PART: CONST_DEC_LIST .
3 CONST_DEC_LIST: CONST_DEC_LIST . CONST_DEC
$@1 go to state 4
-state 3
+State 3
2 CONST_DEC_LIST: CONST_DEC .
$default reduce using rule 2 (CONST_DEC_LIST)
-state 4
+State 4
5 CONST_DEC: $@1 . undef_id_tok '=' const_id_tok ';'
undef_id_tok shift, and go to state 7
-state 5
+State 5
0 $accept: CONST_DEC_PART $end .
$default accept
-state 6
+State 6
3 CONST_DEC_LIST: CONST_DEC_LIST CONST_DEC .
$default reduce using rule 3 (CONST_DEC_LIST)
-state 7
+State 7
5 CONST_DEC: $@1 undef_id_tok . '=' const_id_tok ';'
'=' shift, and go to state 8
-state 8
+State 8
5 CONST_DEC: $@1 undef_id_tok '=' . const_id_tok ';'
const_id_tok shift, and go to state 9
-state 9
+State 9
5 CONST_DEC: $@1 undef_id_tok '=' const_id_tok . ';'
';' shift, and go to state 10
-state 10
+State 10
5 CONST_DEC: $@1 undef_id_tok '=' const_id_tok ';' .
2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
5, 6
};
-static const yytype_uint8 yyprhs[] =
-{
- 0, 0, 3, 5, 6, 9, 14
-};
-static const yytype_int8 yyrhs[] =
-{
- 8, 0, -1, 9, -1, -1, 10, 11, -1, 3,
- 4, 5, 8, -1, 6, 8, -1
-};
static const yytype_uint8 yyrline[] =
{
0, 2, 2, 3, 3, 4, 5
{
0, 256, 257, 258, 259, 260, 261
};
-static const yytype_uint8 yyr1[] =
-{
- 0, 7, 8, 9, 9, 10, 11
-};
-static const yytype_uint8 yyr2[] =
+static const yytype_int8 yypact[] =
{
- 0, 2, 1, 0, 2, 4, 2
+ -2, -1, 4, -8, 0, 2, -8, -2, -8, -2,
+ -8, -8
};
static const yytype_uint8 yydefact[] =
{
3, 0, 0, 2, 0, 0, 1, 3, 4, 3,
6, 5
};
-static const yytype_int8 yydefgoto[] =
-{
- -1, 2, 3, 4, 8
-};
-static const yytype_int8 yypact[] =
-{
- -2, -1, 4, -8, 0, 2, -8, -2, -8, -2,
- -8, -8
-};
static const yytype_int8 yypgoto[] =
{
-8, -7, -8, -8, -8
};
+static const yytype_int8 yydefgoto[] =
+{
+ -1, 2, 3, 4, 8
+};
static const yytype_uint8 yytable[] =
{
10, 1, 11, 5, 6, 0, 7, 9
0, 3, 8, 9, 10, 4, 0, 6, 11, 5,
8, 8
};
+static const yytype_uint8 yyr1[] =
+{
+ 0, 7, 8, 9, 9, 10, 11
+};
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 1, 0, 2, 4, 2
+};
]])
AT_CLEANUP
# --------------------------------
m4_define([_AT_DATA_EXPECT2_Y],
[AT_DATA_GRAMMAR([expect2.y],
-[[%{
-static int yylex (]AT_LALR1_CC_IF([int *], [void]));
-AT_LALR1_CC_IF([],
-[[#include <stdio.h>
-#include <stdlib.h>
+[%{
+static int yylex (AT_LALR1_CC_IF([int *], [void]));
+AT_LALR1_CC_IF([[#include <cstdlib>]],
+[[#include <stdlib.h>
+#include <stdio.h>
]AT_YYERROR_DECLARE])[
%}
$1
start:
{
printf ("Bison would once convert this action to a midrule because of the"
- " subsequent braced code.\n");
+ " subsequent braced code.\n");
}
;
]])
AT_BISON_CHECK([[--report=all input.y]])
-AT_CHECK([[sed -n '/^state 1$/,/^state 2$/p' input.output]], [[0]],
-[[state 1
+AT_CHECK([[sed -n '/^State 1$/,/^State 2$/p' input.output]], [[0]],
+[[State 1
2 start: 'a' . a 'a'
3 a: . 'a'
a go to state 5
-state 2
+State 2
]])
AT_CLEANUP
AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([[-o input.c input.y]], [[0]],,
-[[input.y:23.5-19: warning: rule useless in parser due to conflicts: start: start
-input.y:27.5-19: warning: rule useless in parser due to conflicts: sr_conflict: TK2 "tok alias"
+[[input.y:23.5-19: warning: rule useless in parser due to conflicts: start: start [-Wother]
+input.y:27.5-19: warning: rule useless in parser due to conflicts: sr_conflict: TK2 "tok alias" [-Wother]
]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
AT_SETUP([[parse-gram.y: LALR = IELR]])
-# Avoid differences in synclines by telling bison that the output files
-# have the same name.
+# Avoid tests/bison's dark magic by processing a local copy of the
+# grammar. Avoid differences in synclines by telling bison that the
+# output files have the same name.
[cp $abs_top_srcdir/src/parse-gram.y input.y]
AT_BISON_CHECK([[-o input.c -Dlr.type=lalr input.y]])
[mv input.c lalr.c]
-## --------------------------------------- ##
-## %error-verbose and YYSTACK_USE_ALLOCA. ##
-## --------------------------------------- ##
+## -------------------------------------------- ##
+## parse.error=verbose and YYSTACK_USE_ALLOCA. ##
+## -------------------------------------------- ##
-AT_SETUP([[%error-verbose and YYSTACK_USE_ALLOCA]])
+AT_SETUP([[parse.error=verbose and YYSTACK_USE_ALLOCA]])
AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([input.y],
#define YYSTACK_USE_ALLOCA 1
}
-%error-verbose
+%define parse.error verbose
%%
%%
]AT_YYERROR_DEFINE[
-/* Induce two syntax error messages (which requires full error
- recovery by shifting 3 tokens) in order to detect any loss of the
- reallocated buffer. */
+ /* Induce two syntax error messages (which requires full error
+ recovery by shifting 3 tokens) in order to detect any loss of the
+ reallocated buffer. */
]AT_YYLEX_DEFINE(["abc"])[
int
main (void)
-## ------------------------- ##
-## %error-verbose overflow. ##
-## ------------------------- ##
+## ------------------------------ ##
+## parse.error=verbose overflow. ##
+## ------------------------------ ##
# Imagine the case where YYSTACK_ALLOC_MAXIMUM = YYSIZE_MAXIMUM and an
# invocation of yysyntax_error has caused yymsg_alloc to grow to exactly
# size calculation would return YYSIZE_MAXIMUM to yyparse. Then,
# yyparse would invoke yyerror using the old contents of yymsg.
-AT_SETUP([[%error-verbose overflow]])
+AT_SETUP([[parse.error=verbose overflow]])
+
AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([input.y],
[[%code {
#define YYMAXDEPTH 100
}
-%error-verbose
+%define parse.error verbose
%%
%%
]AT_YYERROR_DEFINE[
-/* Induce two syntax error messages (which requires full error
- recovery by shifting 3 tokens). */
+ /* Induce two syntax error messages (which requires full error
+ recovery by shifting 3 tokens). */
]AT_YYLEX_DEFINE(["abc"])[
int
main (void)
}
]$1[
-%error-verbose
+%define parse.error verbose
%token 'c'
%%
AT_BISON_CHECK([[-Dparse.lac=full -Dparse.lac.es-capacity-initial=1 \
-Dparse.lac.memory-trace=full \
-t -o input.c input.y]], [[0]], [],
-[[input.y: conflicts: 21 shift/reduce
+[[input.y: warning: 21 shift/reduce conflicts [-Wconflicts-sr]
]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input > stdout.txt 2> stderr.txt]], [[1]])
AT_BISON_CHECK([[-Dparse.lac=full -Dparse.lac.es-capacity-initial=1 \
-t -o input.c input.y]], [[0]], [],
-[[input.y: conflicts: 8 shift/reduce
+[[input.y: warning: 8 shift/reduce conflicts [-Wconflicts-sr]
]])
AT_COMPILE([[input]])
AT_BISON_OPTION_POPDEFS
m4_pushdef([AT_TEST],
[AT_SETUP([[Lex and parse params: $1]])
-AT_BISON_OPTION_PUSHDEFS([%locations %skeleton $1])
+AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1" %parse-param { int x } %parse-param { int y }])
## FIXME: Improve parsing of parse-param and use the generated
## yyerror.
AT_DATA_GRAMMAR([input.y],
[[%defines
%locations
-%skeleton $1
+%skeleton "$1"
%union { int ival; }
%parse-param { int x }
// Spaces, tabs, and new lines.
#include <stdio.h>
#include <stdlib.h>
-]AT_SKEL_CC_IF([], [[
-static
-void
-yyerror (int x, int y, const char *msg)
-{
- fprintf (stderr, "x: %d, y: %d, %s\n", x, y, msg);
-}]])[
-
+ ]AT_YYERROR_DECLARE[
]AT_YYLEX_DECLARE[
%}
%%
exp: 'a' { fprintf (stdout, "x: %d, y: %d\n", x, y); };
%%
+]AT_YYERROR_DEFINE[
]AT_YYLEX_DEFINE(["a"])[
]AT_SKEL_CC_IF(
-[AT_YYERROR_DEFINE
-
-int
+[int
yyparse (int x, int y)
{
yy::parser parser(x, y);
]])
AT_FULL_COMPILE([input])
-AT_CHECK([./input], 0, [[x: 1, y: 2
+AT_PARSER_CHECK([./input], 0, [[x: 1, y: 2
]])
AT_BISON_OPTION_POPDEFS
])
## FIXME: test Java, and iterate over skeletons.
-AT_TEST("yacc.c")
-AT_TEST("glr.c")
-AT_TEST("lalr1.cc")
-AT_TEST("glr.cc")
+AT_TEST([yacc.c])
+AT_TEST([glr.c])
+AT_TEST([lalr1.cc])
+AT_TEST([glr.cc])
m4_popdef([AT_TEST])
projects / bison.git / blobdiff