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// RUN: %check_clang_tidy -std=c++11,c++14 %s bugprone-exception-escape %t -- \
// RUN: -config="{CheckOptions: [ \
// RUN: {key: bugprone-exception-escape.IgnoredExceptions, value: 'ignored1,ignored2'}, \
// RUN: {key: bugprone-exception-escape.FunctionsThatShouldNotThrow, value: 'enabled1,enabled2,enabled3'} \
// RUN: ]}" \
// RUN: -- -fexceptions
struct throwing_destructor {
~throwing_destructor() {
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: an exception may be thrown in function '~throwing_destructor' which should not throw exceptions
throw 1;
}
};
struct throwing_move_constructor {
throwing_move_constructor(throwing_move_constructor&&) {
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: an exception may be thrown in function 'throwing_move_constructor' which should not throw exceptions
throw 1;
}
};
struct throwing_move_assignment {
throwing_move_assignment& operator=(throwing_move_assignment&&) {
// CHECK-MESSAGES: :[[@LINE-1]]:29: warning: an exception may be thrown in function 'operator=' which should not throw exceptions
throw 1;
}
};
void throwing_noexcept() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throwing_noexcept' which should not throw exceptions
throw 1;
}
void throwing_throw_nothing() throw() {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throwing_throw_nothing' which should not throw exceptions
throw 1;
}
void throw_and_catch() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_and_catch' which should not throw exceptions
try {
throw 1;
} catch(int &) {
}
}
void throw_and_catch_some(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_and_catch_some' which should not throw exceptions
try {
if (n) throw 1;
throw 1.1;
} catch(int &) {
}
}
void throw_and_catch_each(int n) noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_and_catch_each' which should not throw exceptions
try {
if (n) throw 1;
throw 1.1;
} catch(int &) {
} catch(double &) {
}
}
void throw_and_catch_all(int n) noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_and_catch_all' which should not throw exceptions
try {
if (n) throw 1;
throw 1.1;
} catch(...) {
}
}
void throw_and_rethrow() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_and_rethrow' which should not throw exceptions
try {
throw 1;
} catch(int &) {
throw;
}
}
void throw_catch_throw() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_catch_throw' which should not throw exceptions
try {
throw 1;
} catch(int &) {
throw 2;
}
}
void throw_catch_rethrow_the_rest(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_catch_rethrow_the_rest' which should not throw exceptions
try {
if (n) throw 1;
throw 1.1;
} catch(int &) {
} catch(...) {
throw;
}
}
class base {};
class derived: public base {};
void throw_derived_catch_base() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'throw_derived_catch_base' which should not throw exceptions
try {
throw derived();
} catch(base &) {
}
}
void try_nested_try(int n) noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'try_nested_try' which should not throw exceptions
try {
try {
if (n) throw 1;
throw 1.1;
} catch(int &) {
}
} catch(double &) {
}
}
void bad_try_nested_try(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'bad_try_nested_try' which should not throw exceptions
try {
if (n) throw 1;
try {
throw 1.1;
} catch(int &) {
}
} catch(double &) {
}
}
void try_nested_catch() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'try_nested_catch' which should not throw exceptions
try {
try {
throw 1;
} catch(int &) {
throw 1.1;
}
} catch(double &) {
}
}
void catch_nested_try() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'catch_nested_try' which should not throw exceptions
try {
throw 1;
} catch(int &) {
try {
throw 1;
} catch(int &) {
}
}
}
void bad_catch_nested_try() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'bad_catch_nested_try' which should not throw exceptions
try {
throw 1;
} catch(int &) {
try {
throw 1.1;
} catch(int &) {
}
} catch(double &) {
}
}
void implicit_int_thrower() {
throw 1;
}
void explicit_int_thrower() throw(int);
void indirect_implicit() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'indirect_implicit' which should not throw exceptions
implicit_int_thrower();
}
void indirect_explicit() noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'indirect_explicit' which should not throw exceptions
explicit_int_thrower();
}
void indirect_catch() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'indirect_catch' which should not throw exceptions
try {
implicit_int_thrower();
} catch(int&) {
}
}
template<typename T>
void dependent_throw() noexcept(sizeof(T)<4) {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'dependent_throw' which should not throw exceptions
if (sizeof(T) > 4)
throw 1;
}
void swap(int&, int&) {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'swap' which should not throw exceptions
throw 1;
}
namespace std {
class bad_alloc {};
}
void alloc() {
throw std::bad_alloc();
}
void allocator() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'allocator' which should not throw exceptions
alloc();
}
void enabled1() {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'enabled1' which should not throw exceptions
throw 1;
}
void enabled2() {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'enabled2' which should not throw exceptions
enabled1();
}
void enabled3() {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'enabled3' which should not throw exceptions
try {
enabled1();
} catch(...) {
}
}
class ignored1 {};
class ignored2 {};
void this_does_not_count() noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'this_does_not_count' which should not throw exceptions
throw ignored1();
}
void this_does_not_count_either(int n) noexcept {
// CHECK-MESSAGES-NOT: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'this_does_not_count_either' which should not throw exceptions
try {
throw 1;
if (n) throw ignored2();
} catch(int &) {
}
}
void this_counts(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: an exception may be thrown in function 'this_counts' which should not throw exceptions
if (n) throw 1;
throw ignored1();
}
void thrower(int n) {
throw n;
}
int directly_recursive(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: an exception may be thrown in function 'directly_recursive' which should not throw exceptions
if (n == 0)
thrower(n);
return directly_recursive(n);
}
int indirectly_recursive(int n) noexcept;
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: an exception may be thrown in function 'indirectly_recursive' which should not throw exceptions
int recursion_helper(int n) {
indirectly_recursive(n);
}
int indirectly_recursive(int n) noexcept {
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: an exception may be thrown in function 'indirectly_recursive' which should not throw exceptions
if (n == 0)
thrower(n);
return recursion_helper(n);
}
int main() {
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: an exception may be thrown in function 'main' which should not throw exceptions
throw 1;
return 0;
}
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