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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-array-bounds %s -fpascal-strings
// RUN: %clang_cc1 -fdiagnostics-parseable-fixits -x c++ %s 2>&1 -Wno-array-bounds -fpascal-strings | FileCheck %s
void consume(const char* c) {}
void consume(const unsigned char* c) {}
void consume(const wchar_t* c) {}
void consumeChar(char c) {}
enum MyEnum {
kMySmallEnum = 1,
kMyEnum = 5
};
enum OperatorOverloadEnum {
kMyOperatorOverloadedEnum = 5
};
const char* operator+(const char* c, OperatorOverloadEnum e) {
return "yo";
}
const char* operator+(OperatorOverloadEnum e, const char* c) {
return "yo";
}
void f(int index) {
// Should warn.
// CHECK: fix-it:"{{.*}}":{31:11-31:11}:"&"
// CHECK: fix-it:"{{.*}}":{31:17-31:18}:"["
// CHECK: fix-it:"{{.*}}":{31:20-31:20}:"]"
consume("foo" + 5); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("foo" + index); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("foo" + kMyEnum); // expected-warning {{adding 'MyEnum' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("foo" + kMySmallEnum); // expected-warning {{adding 'MyEnum' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(5 + "foo"); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(index + "foo"); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(kMyEnum + "foo"); // expected-warning {{adding 'MyEnum' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(kMySmallEnum + "foo"); // expected-warning {{adding 'MyEnum' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
// FIXME: suggest replacing with "foo"[5]
consumeChar(*("foo" + 5)); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consumeChar(*(5 + "foo")); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(L"foo" + 5); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume(L"foo" + 2); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("foo" + 3); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("foo" + 4); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
consume("\pfoo" + 4); // expected-warning {{adding 'int' to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
#define A "foo"
#define B "bar"
consume(A B + sizeof(A) - 1); // expected-warning {{to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
// Should not warn.
consume(&("foo"[3]));
consume(&("foo"[index]));
consume(&("foo"[kMyEnum]));
consume("foo" + kMyOperatorOverloadedEnum);
consume(kMyOperatorOverloadedEnum + "foo");
}
template <typename T>
void PR21848() {
(void)(sizeof(T) + ""); // expected-warning {{to a string does not append to the string}} expected-note {{use array indexing to silence this warning}}
}
template void PR21848<int>(); // expected-note {{in instantiation of function template specialization 'PR21848<int>' requested here}}
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