FrontendAction: Track active file kind.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105581 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/ASTMerge.cpp b/lib/Frontend/ASTMerge.cpp
index 8118631..e916e20 100644
--- a/lib/Frontend/ASTMerge.cpp
+++ b/lib/Frontend/ASTMerge.cpp
@@ -26,7 +26,8 @@
   // FIXME: This is a hack. We need a better way to communicate the
   // AST file, compiler instance, and file name than member variables
   // of FrontendAction.
-  AdaptedAction->setCurrentFile(getCurrentFile(), takeCurrentASTUnit());
+  AdaptedAction->setCurrentFile(getCurrentFile(), getCurrentFileKind(),
+                                takeCurrentASTUnit());
   AdaptedAction->setCompilerInstance(&CI);
   return AdaptedAction->BeginSourceFileAction(CI, Filename);
 }
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 92137a6..56676e1 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -25,8 +25,10 @@
 
 FrontendAction::~FrontendAction() {}
 
-void FrontendAction::setCurrentFile(llvm::StringRef Value, ASTUnit *AST) {
+void FrontendAction::setCurrentFile(llvm::StringRef Value, InputKind Kind,
+                                    ASTUnit *AST) {
   CurrentFile = Value;
+  CurrentFileKind = Kind;
   CurrentASTUnit.reset(AST);
 }
 
@@ -35,7 +37,7 @@
                                      InputKind InputKind) {
   assert(!Instance && "Already processing a source file!");
   assert(!Filename.empty() && "Unexpected empty filename!");
-  setCurrentFile(Filename);
+  setCurrentFile(Filename, InputKind);
   setCompilerInstance(&CI);
 
   // AST files follow a very different path, since they share objects via the
@@ -52,7 +54,7 @@
     if (!AST)
       goto failure;
 
-    setCurrentFile(Filename, AST);
+    setCurrentFile(Filename, InputKind, AST);
 
     // Set the shared objects, these are reset when we finish processing the
     // file, otherwise the CompilerInstance will happily destroy them.
@@ -127,7 +129,7 @@
   }
 
   CI.getDiagnosticClient().EndSourceFile();
-  setCurrentFile("");
+  setCurrentFile("", IK_None);
   setCompilerInstance(0);
   return false;
 }
@@ -206,7 +208,7 @@
   }
 
   setCompilerInstance(0);
-  setCurrentFile("");
+  setCurrentFile("", IK_None);
 }
 
 //===----------------------------------------------------------------------===//