1 files changed, 57 insertions, 0 deletions
diff --git a/clang/lib/Driver/InputInfo.h b/clang/lib/Driver/InputInfo.h
new file mode 100644
index 00000000000..6fedf82a998
--- /dev/null
+++ b/clang/lib/Driver/InputInfo.h
@@ -0,0 +1,57 @@
+//===--- InputInfo.h - Input Source & Type Information ----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_LIB_DRIVER_INPUTINFO_H_
+#define CLANG_LIB_DRIVER_INPUTINFO_H_
+
+#include <cassert>
+
+namespace clang {
+namespace driver {
+  class PipedJob;
+
+/// InputInfo - Wrapper for information about an input source.
+class InputInfo {
+  union {
+    const char *Filename;
+    PipedJob *Pipe;
+  } Data;
+  bool IsPipe;
+  types::ID Type;
+  const char *BaseInput;
+
+public:
+  InputInfo() {}
+  InputInfo(const char *Filename, types::ID _Type, const char *_BaseInput)
+    : IsPipe(false), Type(_Type), BaseInput(_BaseInput) {
+    Data.Filename = Filename;
+  }
+  InputInfo(PipedJob *Pipe, types::ID _Type, const char *_BaseInput)
+    : IsPipe(true), Type(_Type), BaseInput(_BaseInput) {
+    Data.Pipe = Pipe;
+  }
+
+  bool isPipe() const { return IsPipe; }
+  types::ID getType() const { return Type; }
+  const char *getBaseInput() const { return BaseInput; }
+
+  const char *getInputFilename() const {
+    assert(!isPipe() && "Invalid accessor.");
+    return Data.Filename;
+  }
+  PipedJob &getPipe() const {
+    assert(isPipe() && "Invalid accessor.");
+    return *Data.Pipe;
+  }
+};
+
+} // end namespace driver
+} // end namespace clang
+
+#endif