Reapply r108617.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108668 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 31 insertions, 0 deletions

diff --git a/lib/Checker/AnalysisManager.cpp b/lib/Checker/AnalysisManager.cpp
new file mode 100644
index 0000000000..339cdab80b
--- /dev/null
+++ b/lib/Checker/AnalysisManager.cpp
@@ -0,0 +1,31 @@
+//===-- AnalysisManager.cpp -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Checker/PathSensitive/AnalysisManager.h"
+#include "clang/Index/Entity.h"
+#include "clang/Index/Indexer.h"
+
+using namespace clang;
+
+const AnalysisContext *
+AnalysisManager::getAnalysisContextInAnotherTU(const Decl *D) {
+  idx::Entity Ent = idx::Entity::get(const_cast<Decl *>(D), 
+                                     Idxer->getProgram());
+  FunctionDecl *FuncDef;
+  idx::TranslationUnit *TU;
+  llvm::tie(FuncDef, TU) = Idxer->getDefinitionFor(Ent);
+
+  if (FuncDef == 0)
+    return 0;
+
+  // This AnalysisContext wraps function definition in another translation unit.
+  // But it is still owned by the AnalysisManager associated with the current
+  // translation unit.
+  return AnaCtxMgr.getContext(FuncDef, TU);
+}