1// RUN: %check_clang_tidy -std=c++11,c++14 %s modernize-use-noexcept %t -- \
2// RUN: -config="{CheckOptions: {modernize-use-noexcept.UseNoexceptFalse: false}}" \
3// RUN: -- -fexceptions
4// This test is not run in C++17 or later because dynamic exception
5// specifications were removed in C++17.
6
7using size_t = __SIZE_TYPE__;
8class A {};
9class B {};
10
11void foo() throw();
12// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
13// CHECK-FIXES: void foo() noexcept;
14
15void bar() throw(...);
16// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: dynamic exception specification 'throw(...)' is deprecated; consider removing it instead [modernize-use-noexcept]
17// CHECK-FIXES: void bar() ;
18
19void k() throw(int(int));
20// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: dynamic exception specification 'throw(int(int))' is deprecated; consider removing it instead [modernize-use-noexcept]
21// CHECK-FIXES: void k() ;
22
23// Shouldn't crash due to llvm_unreachable in canThrow() on EST_Uninstantiated
24template <int> class c { void *operator new(size_t) throw (int);};
25void s() { c<1> doesnt_crash; }
26// CHECK-MESSAGES: :[[@LINE-2]]:53: warning: dynamic exception specification 'throw (int)' is deprecated; consider removing it instead [modernize-use-noexcept]
27
28void foobar() throw(A, B)
29{}
30// CHECK-MESSAGES: :[[@LINE-2]]:15: warning: dynamic exception specification 'throw(A, B)' is deprecated; consider removing it instead [modernize-use-noexcept]
31// CHECK-FIXES: void foobar()
32
33void baz(int = (throw A(), 0)) throw(A, B) {}
34// CHECK-MESSAGES: :[[@LINE-1]]:32: warning: dynamic exception specification 'throw(A, B)' is deprecated; consider removing it instead [modernize-use-noexcept]
35// CHECK-FIXES: void baz(int = (throw A(), 0)) {}
36
37void g(void (*fp)(void) throw());
38// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
39// CHECK-FIXES: void g(void (*fp)(void) noexcept);
40
41void f(void (*fp)(void) throw(int)) throw(char);
42// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'throw(int)' is deprecated; consider removing it instead [modernize-use-noexcept]
43// CHECK-MESSAGES: :[[@LINE-2]]:37: warning: dynamic exception specification 'throw(char)' is deprecated; consider removing it instead [modernize-use-noexcept]
44// CHECK-FIXES: void f(void (*fp)(void) ) ;
45
46#define THROW throw
47void h(void (*fp)(void) THROW(int)) THROW(char);
48// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: dynamic exception specification 'THROW(int)' is deprecated; consider removing it instead [modernize-use-noexcept]
49// CHECK-MESSAGES: :[[@LINE-2]]:37: warning: dynamic exception specification 'THROW(char)' is deprecated; consider removing it instead [modernize-use-noexcept]
50// CHECK-FIXES: void h(void (*fp)(void) ) ;
51
52void j() throw(int(int) throw(void(void) throw(int)));
53// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: dynamic exception specification 'throw(int(int) throw(void(void) throw(int)))' is deprecated; consider removing it instead [modernize-use-noexcept]
54// CHECK-FIXES: void j() ;
55
56class Y {
57 Y() throw() = default;
58};
59// CHECK-MESSAGES: :[[@LINE-2]]:7: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
60// CHECK-FIXES: Y() noexcept = default;
61
62struct Z {
63 void operator delete(void *ptr) throw();
64 void operator delete[](void *ptr) throw(int);
65 ~Z() throw(int) {}
66};
67// CHECK-MESSAGES: :[[@LINE-4]]:35: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
68// CHECK-MESSAGES: :[[@LINE-4]]:37: warning: dynamic exception specification 'throw(int)' is deprecated; consider using 'noexcept(false)' instead [modernize-use-noexcept]
69// CHECK-MESSAGES: :[[@LINE-4]]:8: warning: dynamic exception specification 'throw(int)' is deprecated; consider using 'noexcept(false)' instead [modernize-use-noexcept]
70// CHECK-FIXES: void operator delete(void *ptr) noexcept;
71// CHECK-FIXES: void operator delete[](void *ptr) noexcept(false);
72// CHECK-FIXES: ~Z() noexcept(false) {}
73
74struct S {
75 void f() throw();
76};
77void f(void (S::*)() throw());
78// CHECK-MESSAGES: :[[@LINE-3]]:12: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
79// CHECK-MESSAGES: :[[@LINE-2]]:22: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
80// CHECK-FIXES: void f() noexcept;
81// CHECK-FIXES: void f(void (S::*)() noexcept);
82
83typedef void (*fp)(void (*fp2)(int) throw());
84// CHECK-MESSAGES: :[[@LINE-1]]:37: warning: dynamic exception specification 'throw()' is deprecated; consider using 'noexcept' instead [modernize-use-noexcept]
85// CHECK-FIXES: typedef void (*fp)(void (*fp2)(int) noexcept);
86
87// Should not trigger a replacement.
88void titi() noexcept {}
89void toto() noexcept(true) {}
90
91// Should not trigger a replacement.
92void bad()
93#if !__has_feature(cxx_noexcept)
94 throw()
95#endif
96 ;
97

source code of clang-tools-extra/test/clang-tidy/checkers/modernize/use-noexcept-opt.cpp