[libclang] Introduce clang_findReferencesInFile which accepts a cursor, a file,
and a callback and finds all identifier references of the cursor in the file.
rdar://7948304
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141277 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/Index_Internal.h b/tools/libclang/Index_Internal.h
new file mode 100644
index 0000000..df54d7c
--- /dev/null
+++ b/tools/libclang/Index_Internal.h
@@ -0,0 +1,43 @@
+//===- 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)
+
+#endif