Vendor import of clang trunk r135360:

http://llvm.org/svn/llvm-project/cfe/trunk@135360

1 files changed, 46 insertions, 0 deletions

diff --git a/include/clang/Driver/ObjCRuntime.h b/include/clang/Driver/ObjCRuntime.h
new file mode 100644
index 0000000..5516460
--- /dev/null
+++ b/include/clang/Driver/ObjCRuntime.h
@@ -0,0 +1,46 @@
+//===--- 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;
+
+  /// 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),
+    HasTerminate(false) {}
+};
+
+}
+}
+
+#endif