1 files changed, 55 insertions, 0 deletions
diff --git a/clang/tools/libclang/Index_Internal.h b/clang/tools/libclang/Index_Internal.h
new file mode 100644
index 0000000..2d42cb8
--- /dev/null
+++ b/clang/tools/libclang/Index_Internal.h
@@ -0,0 +1,55 @@
+//===- CXString.h - Routines for manipulating CXStrings -------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines routines for manipulating CXStrings.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBCLANG_INDEX_INTERNAL_H
+#define LLVM_LIBCLANG_INDEX_INTERNAL_H
+
+#include "clang-c/Index.h"
+
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+
+#if __has_feature(blocks)
+
+#define INVOKE_BLOCK2(block, arg1, arg2) block(arg1, arg2)
+
+#else
+// If we are compiled with a compiler that doesn't have native blocks support,
+// define and call the block manually. 
+
+#define INVOKE_BLOCK2(block, arg1, arg2) block->invoke(block, arg1, arg2)
+
+typedef struct _CXCursorAndRangeVisitorBlock {
+  void *isa;
+  int flags;
+  int reserved;
+  enum CXVisitorResult (*invoke)(_CXCursorAndRangeVisitorBlock *,
+                                 CXCursor, CXSourceRange);
+} *CXCursorAndRangeVisitorBlock;
+
+#endif // !__has_feature(blocks)
+
+/// \brief The result of comparing two source ranges.
+enum RangeComparisonResult {
+  /// \brief Either the ranges overlap or one of the ranges is invalid.
+  RangeOverlap,
+
+  /// \brief The first range ends before the second range starts.
+  RangeBefore,
+
+  /// \brief The first range starts after the second range ends.
+  RangeAfter
+};
+
+#endif