1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
# Checking Push Parsing. -*- Autotest -*-
# Copyright (C) 2007, 2009-2013 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
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Push Parsing Tests]])
## -------------------------------- ##
## Memory Leak for Early Deletion. ##
## -------------------------------- ##
AT_SETUP([[Memory Leak for Early Deletion]])
# Requires Valgrind.
AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([[input.y]],
[[
%{
#include <assert.h>
#include <stdio.h>
#define YYINITDEPTH 1
]AT_YYERROR_DECLARE[
%}
%define api.pure
%define api.push-pull push
%%
start: 'a' 'b' 'c' ;
%%
]AT_YYERROR_DEFINE[
int
main (void)
{
yypstate *ps;
/* Make sure we don't try to free ps->yyss in this case. */
ps = yypstate_new ();
yypstate_delete (ps);
/* yypstate_delete used to leak ps->yyss if the stack was reallocated but the
parse did not return on success, syntax error, or memory exhaustion. */
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', YY_NULLPTR) == YYPUSH_MORE);
yypstate_delete (ps);
ps = yypstate_new ();
assert (yypush_parse (ps, 'a', YY_NULLPTR) == YYPUSH_MORE);
assert (yypush_parse (ps, 'b', YY_NULLPTR) == YYPUSH_MORE);
yypstate_delete (ps);
return 0;
}
]])
AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([[-o input.c input.y]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
AT_CLEANUP
## --------------------------- ##
## Multiple impure instances. ##
## --------------------------- ##
AT_SETUP([[Multiple impure instances]])
m4_pushdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK], [
AT_BISON_OPTION_PUSHDEFS([%define api.push-pull $1])
AT_DATA_GRAMMAR([[input.y]],
[[
%{
#include <assert.h>
#include <stdio.h>
]AT_YYERROR_DECLARE[
]m4_if([$1], [[both]], [AT_YYLEX_DECLARE([])])[
%}
%define api.push-pull ]$1[
%%
start: ;
%%
]AT_YYERROR_DEFINE[
]m4_if([$1], [[both]], [AT_YYLEX_DEFINE])[
int
main (void)
{
int i;
for (i = 0; i < 2; ++i)
{
yypstate *ps = yypstate_new ();
assert (ps);
assert (yypstate_new () == YY_NULLPTR);
]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
yychar = 0;
assert (yypush_parse (ps) == 0);
assert (yypstate_new () == YY_NULLPTR);
]m4_if([$1], [[both]], [[assert (yyparse () == 2)]])[;
yypstate_delete (ps);
}
return 0;
}
]])
AT_BISON_CHECK([[-o input.c input.y]])
AT_COMPILE([[input]])
AT_PARSER_CHECK([[./input]])
AT_BISON_OPTION_POPDEFS
])
AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[both]])
AT_MULTIPLE_IMPURE_INSTANCES_CHECK([[push]])
m4_popdef([AT_MULTIPLE_IMPURE_INSTANCES_CHECK])
AT_CLEANUP
## ----------------------- ##
## Unsupported Skeletons. ##
## ----------------------- ##
AT_SETUP([[Unsupported Skeletons]])
AT_BISON_OPTION_PUSHDEFS
AT_DATA([[input.y]],
[[%glr-parser
%define api.push-pull push
%%
start: ;
]])
AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([[input.y]], [[1]], [],
[[input.y:2.9-21: error: %define variable 'api.push-pull' is not used
]])
AT_CLEANUP
|
