llvm-project/clang/test/Parser/pragma-attribute-context.cpp
Erik Pilkington fcc53eedab [Parse] Parse '#pragma clang attribute' as an external-declaration
Previously, we parsed it only in the top level, which excludes namespaces and
extern "C" blocks.

rdar://problem/48818890

Differential revision: https://reviews.llvm.org/D59282

llvm-svn: 356075
2019-03-13 18:30:59 +00:00

35 lines
1.2 KiB
C++

// RUN: %clang_cc1 -verify -std=c++11 %s
// RUN: %clang_cc1 -xobjective-c++ -verify -std=c++11 %s
#define BEGIN_PRAGMA _Pragma("clang attribute push (__attribute__((availability(macos, introduced=1000))), apply_to=function)")
#define END_PRAGMA _Pragma("clang attribute pop")
extern "C" {
BEGIN_PRAGMA
int f(); // expected-note{{'f' has been marked as being introduced in macOS 1000 here}}
END_PRAGMA
}
namespace my_ns {
BEGIN_PRAGMA
int g(); // expected-note{{'g' has been marked as being introduced in macOS 1000 here}}
END_PRAGMA
namespace nested {
BEGIN_PRAGMA
int h(); // expected-note{{'h' has been marked as being introduced in macOS 1000 here}}
END_PRAGMA
}
}
int a = f(); // expected-warning{{'f' is only available on macOS 1000 or newer}} expected-note{{annotate 'a'}}
int b = my_ns::g(); // expected-warning{{'g' is only available on macOS 1000 or newer}} expected-note{{annotate 'b'}}
int c = my_ns::nested::h(); // expected-warning{{'h' is only available on macOS 1000 or newer}} expected-note{{annotate 'c'}}
struct InStruct {
// FIXME: This asserts in Objective-C++!
// FIXME: This is a horrible diagnostic!
#ifndef __OBJC__
BEGIN_PRAGMA // expected-error {{expected member name or ';' after declaration specifiers}}
#endif
};