forked from OSchip/llvm-project
67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
// 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(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}}
|
|
|
|
// 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}}
|
|
|
|
// Should not warn.
|
|
consume(&("foo"[3]));
|
|
consume(&("foo"[index]));
|
|
consume(&("foo"[kMyEnum]));
|
|
consume("foo" + kMySmallEnum);
|
|
consume(kMySmallEnum + "foo");
|
|
|
|
consume(L"foo" + 2);
|
|
|
|
consume("foo" + 3); // Points at the \0
|
|
consume("foo" + 4); // Points 1 past the \0, which is legal too.
|
|
consume("\pfoo" + 4); // Pascal strings don't have a trailing \0, but they
|
|
// have a leading length byte, so this is fine too.
|
|
|
|
consume("foo" + kMyOperatorOverloadedEnum);
|
|
consume(kMyOperatorOverloadedEnum + "foo");
|
|
|
|
#define A "foo"
|
|
#define B "bar"
|
|
consume(A B + sizeof(A) - 1);
|
|
}
|
|
|