Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 75 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/tools/debugserver/source/MacOSX/CFUtils.h b/gnu/llvm/lldb/tools/debugserver/source/MacOSX/CFUtils.h
new file mode 100644
index 00000000000..b567524ce63
--- /dev/null
+++ b/gnu/llvm/lldb/tools/debugserver/source/MacOSX/CFUtils.h
@@ -0,0 +1,75 @@
+//===-- CFUtils.h -----------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 3/5/07.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __CFUtils_h__
+#define __CFUtils_h__
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#ifdef __cplusplus
+
+// Templatized CF helper class that can own any CF pointer and will
+// call CFRelease() on any valid pointer it owns unless that pointer is
+// explicitly released using the release() member function.
+template <class T> class CFReleaser {
+public:
+  // Type names for the avlue
+  typedef T element_type;
+
+  // Constructors and destructors
+  CFReleaser(T ptr = NULL) : _ptr(ptr) {}
+  CFReleaser(const CFReleaser &copy) : _ptr(copy.get()) {
+    if (get())
+      ::CFRetain(get());
+  }
+  virtual ~CFReleaser() { reset(); }
+
+  // Assignments
+  CFReleaser &operator=(const CFReleaser<T> &copy) {
+    if (copy != *this) {
+      // Replace our owned pointer with the new one
+      reset(copy.get());
+      // Retain the current pointer that we own
+      if (get())
+        ::CFRetain(get());
+    }
+  }
+  // Get the address of the contained type
+  T *ptr_address() { return &_ptr; }
+
+  // Access the pointer itself
+  const T get() const { return _ptr; }
+  T get() { return _ptr; }
+
+  // Set a new value for the pointer and CFRelease our old
+  // value if we had a valid one.
+  void reset(T ptr = NULL) {
+    if (ptr != _ptr) {
+      if (_ptr != NULL)
+        ::CFRelease(_ptr);
+      _ptr = ptr;
+    }
+  }
+
+  // Release ownership without calling CFRelease
+  T release() {
+    T tmp = _ptr;
+    _ptr = NULL;
+    return tmp;
+  }
+
+private:
+  element_type _ptr;
+};
+
+#endif // #ifdef __cplusplus
+#endif // #ifndef __CFUtils_h__