Tighten up interface


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7443 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index cf000c4..7b3d201 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -1,5 +1,6 @@
 //===- CodeEmitterGen.h - Code Emitter Generator ----------------*- C++ -*-===//
 //
+// FIXME: document
 //
 //===----------------------------------------------------------------------===//
 
@@ -7,15 +8,14 @@
 #define CODEMITTERGEN_H
 
 #include "Record.h"
-#include <iostream>
 
-struct CodeEmitterGen {
+class CodeEmitterGen {
   RecordKeeper &Records;
-  
 public:
   CodeEmitterGen(RecordKeeper &R) : Records(R) {}
   
   int createEmitter(std::ostream &o);
+private:
   void emitMachineOpEmitter(std::ostream &o, const std::string &Namespace);
   void emitGetValueBit(std::ostream &o, const std::string &Namespace);
 };