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
|
# Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007, 2008, 2009
# 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/>.
# This file was written by Fred Fish. (fnf@cygnus.com)
if $tracelevel then {
strace $tracelevel
}
if { [skip_cplus_tests] } { continue }
set testfile "misc"
set srcfile ${testfile}.cc
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
untested misc.exp
return -1
}
#
# Deduce language of main()
#
proc deduce_language_of_main {} {
global gdb_prompt
# See what language gdb thinks main() is, prior to reading full symbols.
# I think this fails for COFF targets.
send_gdb "show language\n"
gdb_expect {
-re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
pass "deduced language is C++, before full symbols"
}
-re ".*$gdb_prompt $" {
fail "source language not correct for C++ (psymtabs only)"
return
}
timeout {
fail "can't show language (timeout)"
return
}
}
runto_main
# See if our idea of the language has changed.
send_gdb "show language\n"
gdb_expect {
-re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
pass "deduced language is C++, after full symbols"
}
-re ".*$gdb_prompt $" {
fail "source language not correct for C++ (full symbols)"
return
}
timeout {
fail "can't show language (timeout)"
return
}
}
}
proc test_expr { args } {
if { [llength $args] % 2 } {
warning "an even # of arguments should be passed to test_expr"
}
set last_ent [expr [llength $args] - 1];
set testname [lindex $args $last_ent];
if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
gdb_suppress_tests;
}
for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
gdb_suppress_tests;
}
}
gdb_stop_suppressing_tests;
}
proc do_tests {} {
global prms_id
global bug_id
global subdir
global objdir
global srcdir
global binfile
global gdb_prompt
set prms_id 0
set bug_id 0
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile
deduce_language_of_main
# Check for fixes for PRs 8916 and 8630
gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
}
do_tests
test_expr "set language c++" \
"print 1 == 1" "print.*\\$\[0-9\]* = true" \
"print 1 == 2" "print.*\\$\[0-9\]* = false" \
"print as bool"
# Test bool type printing, etc.
# Note: Language is already set to C++ above!
gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
# set a bool variable
test_expr "set variable v_bool = true" \
"print v_bool" "\\$\[0-9\]* = true" \
"set a bool var"
# next print an array of bool
gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
# set elements of a bool array
test_expr "set variable v_bool_array\[1\] = true" \
"print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
"set a bool array elem"
# bool constants
gdb_test "print true" "\\$\[0-9\]* = true" "print true"
gdb_test "print false" "\\$\[0-9\]* = false" "print false"
# arithmetic conversions
gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"
|