1 // RUN: %clang_cc1 %s -fsyntax-only -verify 2 // RUN: %clang_cc1 %s -fsyntax-only -verify -fexperimental-new-constant-interpreter 3 4 const char *some_function(); 5 6 void foo(float *[[clang::annotate_type("foo")]] a) { 7 int [[clang::annotate_type("bar")]] x1; 8 int *[[clang::annotate_type("bar")]] x2; 9 int *[[clang::annotate_type("bar", 1)]] x3; 10 int *[[clang::annotate_type("bar", 1 + 2)]] x4; 11 struct {} [[clang::annotate_type("foo")]] x5; 12 int [[clang::annotate_type("int")]] *[[clang::annotate_type("ptr")]] array[10] [[clang::annotate_type("arr")]]; 13 14 typedef int [[clang::annotate_type("bar")]] my_typedef; 15 16 // GNU spelling is not supported 17 int __attribute__((annotate_type("bar"))) y1; // expected-warning {{unknown attribute 'annotate_type' ignored}} 18 int *__attribute__((annotate_type("bar"))) y2; // expected-warning {{unknown attribute 'annotate_type' ignored}} 19 20 // Various error cases 21 [[clang::annotate_type("bar")]] int *z1; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 22 int *z2 [[clang::annotate_type("bar")]]; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 23 [[clang::annotate_type("bar")]]; // expected-error {{'annotate_type' attribute cannot be applied to a statement}} 24 int *[[clang::annotate_type(1)]] z3; // expected-error {{expected string literal as argument of 'annotate_type' attribute}} 25 int *[[clang::annotate_type()]] z4; // expected-error {{'annotate_type' attribute takes at least 1 argument}} 26 int *[[clang::annotate_type]] z5; // expected-error {{'annotate_type' attribute takes at least 1 argument}} 27 int *[[clang::annotate_type(some_function())]] z6; // expected-error {{expected string literal as argument of 'annotate_type' attribute}} 28 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}} 29 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}} 30 int *[[clang::annotate_type("bar", int)]] z9; // expected-error {{expected expression}} 31 } 32 // More error cases: Prohibit adding the attribute to declarations. 33 // Different declarations hit different code paths, so they need separate tests. 34 [[clang::annotate_type("bar")]] int *global; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 35 [[clang::annotate_type("bar")]] void annotated_function(); // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 36 void g([[clang::annotate_type("bar")]] int); // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 37 struct [[clang::annotate_type("foo")]] S; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 38 struct [[clang::annotate_type("foo")]] S{ // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 39 [[clang::annotate_type("foo")]] int member; // expected-error {{'annotate_type' attribute cannot be applied to a declaration}} 40 [[clang::annotate_type("foo")]] union { // expected-error {{an attribute list cannot appear here}} 41 int i; 42 float f; 43 }; 44 }; 45