// RUN: %clang_cc1 %s -fsyntax-only -verify
// RUN: %clang_cc1 %s -fsyntax-only -verify -fexperimental-new-constant-interpreter
const char *some_function();
void foo(float *[[clang::annotate_type("foo")]] a) {
int [[clang::annotate_type("bar")]] x1;
int *[[clang::annotate_type("bar")]] x2;
int *[[clang::annotate_type("bar", 1)]] x3;
int *[[clang::annotate_type("bar", 1 + 2)]] x4;
struct {} [[clang::annotate_type("foo")]] x5;
int [[clang::annotate_type("int")]] *[[clang::annotate_type("ptr")]] array[10] [[clang::annotate_type("arr")]];
typedef int [[clang::annotate_type("bar")]] my_typedef;
// GNU spelling is not supported
int __attribute__((annotate_type("bar"))) y1; // expected-warning {{unknown attribute 'annotate_type' ignored}}
int *__attribute__((annotate_type("bar"))) y2; // expected-warning {{unknown attribute 'annotate_type' ignored}}
// Various error cases
[[clang::annotate_type("bar")]] int *z1; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
int *z2 [[clang::annotate_type("bar")]]; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
[[clang::annotate_type("bar")]]; // expected-error {{'annotate_type' attribute cannot be applied to a statement}}
int *[[clang::annotate_type(1)]] z3; // expected-error {{expected string literal as argument of 'annotate_type' attribute}}
int *[[clang::annotate_type()]] z4; // expected-error {{'annotate_type' attribute takes at least 1 argument}}
int *[[clang::annotate_type]] z5; // expected-error {{'annotate_type' attribute takes at least 1 argument}}
int *[[clang::annotate_type(some_function())]] z6; // expected-error {{expected string literal as argument of 'annotate_type' attribute}}
int *[[clang::annotate_type("bar", some_function())]] z7; // expected-error {{'annotate_type' attribute requires parameter 1 to be a constant expression}} expected-note{{subexpression not valid in a constant expression}}
int *[[clang::annotate_type("bar", z7)]] z8; // expected-error {{'annotate_type' attribute requires parameter 1 to be a constant expression}} expected-note{{subexpression not valid in a constant expression}}
int *[[clang::annotate_type("bar", int)]] z9; // expected-error {{expected expression}}
}
// More error cases: Prohibit adding the attribute to declarations.
// Different declarations hit different code paths, so they need separate tests.
[[clang::annotate_type("bar")]] int *global; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
[[clang::annotate_type("bar")]] void annotated_function(); // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
void g([[clang::annotate_type("bar")]] int); // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
struct [[clang::annotate_type("foo")]] S; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
struct [[clang::annotate_type("foo")]] S{ // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
[[clang::annotate_type("foo")]] int member; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}}
[[clang::annotate_type("foo")]] union { // expected-error {{an attribute list cannot appear here}}
int i;
float f;
};
};