[libclang] Separate the underlying indexing functionality of libclang and introduce it into the clangIndex library.

It is a general goodness for libclang itself to mostly be a wrapper of functionality provided by the libraries.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@260760 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 47 insertions, 0 deletions

diff --git a/include/clang/Index/IndexingAction.h b/include/clang/Index/IndexingAction.h
new file mode 100644
index 0000000000..dfc363a049
--- /dev/null
+++ b/include/clang/Index/IndexingAction.h
@@ -0,0 +1,47 @@
+//===--- IndexingAction.h - Frontend index action -------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_INDEX_INDEXINGACTION_H
+#define LLVM_CLANG_INDEX_INDEXINGACTION_H
+
+#include "clang/Basic/LLVM.h"
+#include <memory>
+
+namespace clang {
+  class ASTUnit;
+  class FrontendAction;
+
+namespace index {
+  class IndexDataConsumer;
+
+struct IndexingOptions {
+  enum class SystemSymbolFilterKind {
+    None,
+    DeclarationsOnly,
+    All,
+  };
+
+  SystemSymbolFilterKind SystemSymbolFilter
+    = SystemSymbolFilterKind::DeclarationsOnly;
+  bool IndexFunctionLocals = false;
+};
+
+std::unique_ptr<FrontendAction>
+createIndexingAction(std::unique_ptr<FrontendAction> WrappedAction,
+                     std::shared_ptr<IndexDataConsumer> DataConsumer,
+                     IndexingOptions Opts);
+
+void indexASTUnit(ASTUnit &Unit,
+                  std::shared_ptr<IndexDataConsumer> DataConsumer,
+                  IndexingOptions Opts);
+
+} // namespace index
+} // namespace clang
+
+#endif