-Introduce the idx::Analyzer class used for getting indexing information, like finding

references of a declaration across translation units.

-Modify the index-test tool to use it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77536 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 51 insertions, 0 deletions

diff --git a/include/clang/Index/Analyzer.h b/include/clang/Index/Analyzer.h
new file mode 100644
index 0000000000..90118b5173
--- /dev/null
+++ b/include/clang/Index/Analyzer.h
@@ -0,0 +1,51 @@
+//===--- Analyzer.h - Analysis for indexing information ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Analyzer interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_INDEX_ANALYZER_H
+#define LLVM_CLANG_INDEX_ANALYZER_H
+
+namespace clang {
+  class Decl;
+
+namespace idx {
+  class Program;
+  class IndexProvider;
+  class TULocationHandler;
+
+/// \brief Provides indexing information, like finding all references of an
+/// Entity across translation units.
+class Analyzer {
+  Program &Prog;
+  IndexProvider &Idxer;
+
+  Analyzer(const Analyzer&); // do not implement
+  Analyzer &operator=(const Analyzer &); // do not implement
+
+public:
+  explicit Analyzer(Program &prog, IndexProvider &idxer)
+    : Prog(prog), Idxer(idxer) { }
+
+  /// \brief Find all TULocations for declarations of the given Decl and pass
+  /// them to Handler.
+  void FindDeclarations(Decl *D, TULocationHandler &Handler);
+
+  /// \brief Find all TULocations for references of the given Decl and pass
+  /// them to Handler.
+  void FindReferences(Decl *D, TULocationHandler &Handler);
+};
+
+} // namespace idx
+
+} // namespace clang
+
+#endif