| // RUN: %clang_cc1 %s -fsyntax-only -verify |
| |
| 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; |
| }; |
| }; |