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//===--- ObjCRuntime.h - Objective C runtime features -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_DRIVER_OBJCRUNTIME_H_
#define CLANG_DRIVER_OBJCRUNTIME_H_
namespace clang {
namespace driver {
class ObjCRuntime {
public:
enum Kind { GNU, NeXT };
private:
unsigned RuntimeKind : 1;
public:
void setKind(Kind k) { RuntimeKind = k; }
Kind getKind() const { return static_cast<Kind>(RuntimeKind); }
/// True if the runtime provides native ARC entrypoints. ARC may
/// still be usable without this if the tool-chain provides a
/// statically-linked runtime support library.
unsigned HasARC : 1;
/// True if the runtime supports ARC zeroing __weak.
unsigned HasWeak : 1;
/// \brief True if the runtime supports subscripting methods.
unsigned HasSubscripting : 1;
/// True if the runtime provides the following entrypoint:
/// void objc_terminate(void);
/// If available, this will be called instead of abort() when an
/// exception is thrown out of an EH cleanup.
unsigned HasTerminate : 1;
ObjCRuntime() : RuntimeKind(NeXT), HasARC(false), HasWeak(false),
HasSubscripting(false), HasTerminate(false) {}
};
}
}
#endif
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