stub out a new TargetAsmLexer interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94125 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/TargetAsmLexer.h

@@ -0,0 +1,36 @@
+//===-- llvm/Target/TargetAsmLexer.h - Target Assembly Lexer ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_TARGETASMLEXER_H
+#define LLVM_TARGET_TARGETASMLEXER_H
+
+namespace llvm {
+class Target;
+  
+/// TargetAsmLexer - Generic interface to target specific assembly lexers.
+class TargetAsmLexer {
+  TargetAsmLexer(const TargetAsmLexer &);   // DO NOT IMPLEMENT
+  void operator=(const TargetAsmLexer &);  // DO NOT IMPLEMENT
+protected: // Can only create subclasses.
+  TargetAsmLexer(const Target &);
+  
+  /// TheTarget - The Target that this machine was created for.
+  const Target &TheTarget;
+  
+public:
+  virtual ~TargetAsmLexer();
+  
+  const Target &getTarget() const { return TheTarget; }
+  
+  
+};
+
+} // End llvm namespace
+
+#endif

lib/Target/TargetAsmLexer.cpp

@@ -0,0 +1,14 @@
+//===-- llvm/Target/TargetAsmLexer.cpp - Target Assembly Lexer ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetAsmLexer.h"
+using namespace llvm;
+
+TargetAsmLexer::TargetAsmLexer(const Target &T) : TheTarget(T) {}
+TargetAsmLexer::~TargetAsmLexer() {}