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c++/24367: Infinite recursion of typedef substitution
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1 # Copyright 2011-2019 Free Software Foundation, Inc.
2 #
3 # Contributed by Red Hat, originally written by Keith Seitz.
4 #
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
9 #
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 # This file is part of the gdb testsuite.
19
20 proc add {var name params expected {kind {func}}} {
21 upvar $var result
22
23 if {[string compare $kind "template"] == 0} {
24 set method_name "${name}<$expected>"
25 } else {
26 set method_name "$name"
27 }
28
29 set expect ".*// ${method_name}\\($expected\\)"
30 lappend result [list "${method_name}($params)" $expect]
31 }
32
33 if {[skip_cplus_tests]} { continue }
34
35 # Tests for c++/12266 et al
36 standard_testfile .cc
37
38 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {c++ debug}]} {
39 return -1
40 }
41
42 if {![runto_main]} {
43 perror "couldn't run to breakpoint"
44 continue
45 }
46
47 array set typedefs {
48 "my_other_type" {"my_other_type" "my_type" "const char* const*"}
49 "my_other_type_2" {"my_other_type_2" "my_type_2" "int"}
50 "CORE_ADDR" { "CORE_ADDR" "unsigned long" }
51 "_BAR_" { "_BAR_" "a::b::BAR" "a::b::c::d::bar" }
52 "aenum" { "aenum" "anon_enum" }
53 "astruct" { "astruct" "anon_struct" }
54 "aunion" { "aunion" "anon_union" }
55 }
56
57 set methods {}
58
59 # Add the simple, one-parameter methods
60 foreach meth {A::FOO::test A::FOO::foo} {
61 foreach type {my_other_type my_other_type_2} {
62 foreach t $typedefs($type) {
63 add methods $meth $t $type
64 }
65 }
66 }
67
68 # Add two-parameter methods
69 foreach meth {A::FOO::test A::FOO::foo} {
70 set type "my_other_type_2, const my_other_type"
71 foreach t1 $typedefs(my_other_type_2) {
72 foreach t2 $typedefs(my_other_type) {
73 add methods $meth "$t1, const $t2" $type
74 add methods $meth "$t1, $t2" $type
75 }
76 }
77 }
78
79 # Add three-parameter methods/functions
80 foreach meth {A::FOO::test A::FOO::foo B::test test} {
81 set type "aenum, astruct const&, aunion const\\*\\*\\*"
82 foreach t1 $typedefs(aenum) {
83 foreach t2 $typedefs(astruct) {
84 foreach t3 $typedefs(aunion) {
85 add methods $meth "$t1, $t2 const&, $t3 const***" $type
86 }
87 }
88 }
89 }
90
91 # Add the array-of-function pointer methods
92 set type "fptr1\\*"
93 foreach meth {A::FOO::test A::FOO::foo} {
94 add methods $meth "fptr1*" $type
95 foreach t $typedefs(my_other_type) {
96 add methods $meth "void (**) ($t)" $type
97 }
98 }
99
100 # Add the function pointer methods
101 set type "fptr3"
102 foreach meth {A::FOO::test A::FOO::foo} {
103 add methods $meth "fptr3" $type
104
105 foreach t1 $typedefs(my_other_type) {
106 add methods $meth "void (*)(fptr2, $t1)" $type
107 foreach t2 $typedefs(my_other_type_2) {
108 add methods $meth "void (*)(void (*)(fptr1, $t2), $t1)" $type
109 foreach t3 $typedefs(my_other_type) {
110 add methods $meth \
111 "void (*)(void (*)(void (*) ($t3), $t2), $t1)" $type
112 }
113 }
114 }
115 }
116
117 set type1 "my_other_type"
118 set type2 "my_other_type, my_other_type_2"
119 foreach meth {"test" "B::test"} {
120 foreach t1 $typedefs(my_other_type) {
121 add methods $meth $t1 $type1
122 foreach t2 $typedefs(my_other_type_2) {
123 add methods $meth "$t1, $t2" $type2 template
124 }
125 }
126 }
127
128 # Miscellaneous tests
129 set type {CORE_ADDR \(\*\) \[10\]}
130 foreach meth {A::FOO::foo A::FOO::test} {
131 foreach t $typedefs(CORE_ADDR) {
132 add methods $meth "$t (*) \[10\]" $type
133 }
134 }
135
136 foreach t $typedefs(_BAR_) {
137 add methods "test" "$t&" {_BAR_&}
138 }
139
140 # Tests for c++/24367
141 foreach t {int incomplete_struct another_incomplete_struct} {
142 add methods "test_incomplete" "${t}*" [string_to_regexp "${t}*"]
143 }
144
145 gdb_test_no_output "set listsize 1" ""
146
147 # Finally, for each method in the list METHODS, check whether
148 # the user can "list" it and "break" on it (both quoted and unquoted).
149 foreach test $methods {
150 set func [lindex $test 0]
151 set result [lindex $test 1]
152
153 gdb_test "list -qualified $func" $result
154 gdb_test "list -qualified '$func'" $result
155 if {[gdb_breakpoint "-qualified $func"]} {
156 pass "break -qualified $func"
157 }
158 if {[gdb_breakpoint "-qualified '$func'"]} {
159 pass "break -qualified '$func'"
160 }
161 }
162
163 # The tests above use -qualified to explicitly pick the one "test"
164 # symbol each test cares about. Now check that both "break test(..)"
165 # and "list test(..)" without -qualified find "test(..)" in all the 3
166 # scopes that have the this particular overload.
167 set func "test(aenum, astruct const&, aunion const***)"
168 set func_re "test\\(anon_enum, anon_struct const&, anon_union const\\*\\*\\*\\)"
169 set line1 [gdb_get_line_number " A::FOO::$func"]
170 set line2 [gdb_get_line_number " B::$func"]
171 set line3 [gdb_get_line_number " $func"]
172
173 foreach f [list "$func" "'$func'"] {
174 set any "\[^\r\n\]*"
175 gdb_test \
176 "list $f" \
177 [multi_line \
178 "file: \".*$srcfile\", line number: $line1, symbol: \"A::foo::$func_re\"" \
179 "$line1${any}A::FOO::test${any}" \
180 "file: \".*$srcfile\", line number: $line2, symbol: \"B::$func_re\"" \
181 "$line2${any}B::test${any}" \
182 "file: \".*$srcfile\", line number: $line3, symbol: \"$func_re\"" \
183 "$line3${any}// test${any}"] \
184 "list $f"
185
186 delete_breakpoints
187 gdb_test "break $f" "\\(3 locations\\)"
188 }
189
190 gdb_exit
191 return 0