Align Win64 EH Table sections to 4 bytes.

[oota-llvm.git] / utils / TableGen / TableGenBackend.h

diff --git a/utils/TableGen/TableGenBackend.h b/utils/TableGen/TableGenBackend.h
index b9e8c49d4c5a978f40af8b7fae4dc32c8cf19819..9c2b948b0dfc426b61cf488ee65e3d2332f67e6f 100644 (file)
--- a/utils/TableGen/TableGenBackend.h
+++ b/utils/TableGen/TableGenBackend.h
@@ -1,5 +1,12 @@
 //===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
 //
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
 // The TableGenBackend class is provided as a common interface for all TableGen
 // backends.  It provides useful services and an standardized interface.
 //
@@ -8,19 +15,29 @@
 #ifndef TABLEGENBACKEND_H
 #define TABLEGENBACKEND_H
 
+#include "llvm/Support/raw_ostream.h"
 #include <string>
-#include <iosfwd>
+
+namespace llvm {
+
+class Record;
+class RecordKeeper;
 
 struct TableGenBackend {
+  virtual ~TableGenBackend() {}
 
   // run - All TableGen backends should implement the run method, which should
   // be the main entry point.
-  virtual void run(std::ostream &OS) = 0;
+  virtual void run(raw_ostream &OS) = 0;
 
 
 public:   // Useful helper routines...
-  void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
+  /// EmitSourceFileHeader - Output a LLVM style file header to the specified
+  /// ostream.
+  void EmitSourceFileHeader(const std::string &Desc, raw_ostream &OS) const;
 
 };
 
+} // End llvm namespace
+
 #endif