1// RUN: %check_clang_tidy -std=c++11,c++14 %s bugprone-exception-escape %t -- -- -fexceptions
2
3void throwing_throw_nothing() throw() {
4// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throwing_throw_nothing' which should not throw exceptions
5 throw 1;
6}
7// CHECK-MESSAGES: :[[@LINE-2]]:3: note: frame #0: unhandled exception of type 'int' may be thrown in function 'throwing_throw_nothing' here
8
9void explicit_int_thrower() throw(int);
10
11void implicit_int_thrower() {
12 throw 5;
13}
14
15void indirect_implicit() throw() {
16// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'indirect_implicit' which should not throw exceptions
17 implicit_int_thrower();
18}
19// CHECK-MESSAGES: :[[@LINE-7]]:3: note: frame #0: unhandled exception of type 'int' may be thrown in function 'implicit_int_thrower' here
20// CHECK-MESSAGES: :[[@LINE-3]]:3: note: frame #1: function 'indirect_implicit' calls function 'implicit_int_thrower' here
21
22void indirect_explicit() throw() {
23// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'indirect_explicit' which should not throw exceptions
24 explicit_int_thrower();
25}
26// CHECK-MESSAGES: :[[@LINE-17]]:29: note: frame #0: unhandled exception of type 'int' may be thrown in function 'explicit_int_thrower' here
27// CHECK-MESSAGES: :[[@LINE-3]]:3: note: frame #1: function 'indirect_explicit' calls function 'explicit_int_thrower' here
28
29struct super_throws {
30 super_throws() throw(int) { throw 42; }
31};
32
33struct sub_throws : super_throws {
34 sub_throws() throw() : super_throws() {}
35 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: an exception may be thrown in function 'sub_throws' which should not throw exceptions
36};
37// CHECK-MESSAGES: :[[@LINE-7]]:31: note: frame #0: unhandled exception of type 'int' may be thrown in function 'super_throws' here
38// CHECK-MESSAGES: :[[@LINE-4]]:26: note: frame #1: function 'sub_throws' calls function 'super_throws' here
39
40struct base_throwing_ctor {
41 base_throwing_ctor() throw(int) { throw 123; }
42};
43
44struct intermediate_ctor : base_throwing_ctor {
45 intermediate_ctor() throw(int) : base_throwing_ctor() {}
46};
47
48struct final_no_throw : intermediate_ctor {
49 final_no_throw() throw() : intermediate_ctor() {}
50 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: an exception may be thrown in function 'final_no_throw' which should not throw exceptions
51};
52// CHECK-MESSAGES: :[[@LINE-11]]:37: note: frame #0: unhandled exception of type 'int' may be thrown in function 'base_throwing_ctor' here
53// CHECK-MESSAGES: :[[@LINE-8]]:36: note: frame #1: function 'intermediate_ctor' calls function 'base_throwing_ctor' here
54// CHECK-MESSAGES: :[[@LINE-5]]:30: note: frame #2: function 'final_no_throw' calls function 'intermediate_ctor' here
55
56// Member initializer with call stack
57struct member_thrower {
58 member_thrower() throw(double) { throw 3.14; }
59};
60
61struct has_throwing_member {
62 member_thrower member;
63 has_throwing_member() throw() : member() {}
64 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: an exception may be thrown in function 'has_throwing_member' which should not throw exceptions
65};
66// CHECK-MESSAGES: :[[@LINE-8]]:36: note: frame #0: unhandled exception of type 'double' may be thrown in function 'member_thrower' here
67// CHECK-MESSAGES: :[[@LINE-4]]:35: note: frame #1: function 'has_throwing_member' calls function 'member_thrower' here
68
69void multi_spec_thrower() throw(int, double, const char*);
70
71void calls_multi_spec() throw() {
72// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'calls_multi_spec' which should not throw exceptions
73 multi_spec_thrower();
74}
75// CHECK-MESSAGES: :[[@LINE-6]]:27: note: frame #0: unhandled exception of type '{{(int|double|const char \*)}}' may be thrown in function 'multi_spec_thrower' here
76// CHECK-MESSAGES: :[[@LINE-3]]:3: note: frame #1: function 'calls_multi_spec' calls function 'multi_spec_thrower' here
77

source code of clang-tools-extra/test/clang-tidy/checkers/bugprone/exception-escape-throw.cpp