convert over to using TableGen backends

llvm-svn: 7628

llvm/support/tools/TableGen/CodeEmitterGen.cpp

@@ -11,6 +11,8 @@
 void CodeEmitterGen::run(std::ostream &o) {
   std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
 
+  EmitSourceFileHeader("Machine Code Emitter", o);
+
   std::string Namespace = "V9::";
   std::string ClassName = "SparcV9CodeEmitter::";
 

llvm/support/tools/TableGen/CodeEmitterGen.h

@@ -7,11 +7,9 @@
 #ifndef CODEMITTERGEN_H
 #define CODEMITTERGEN_H
 
-#include <string>
-#include <iosfwd>
-class RecordKeeper;
+#include "TableGenBackend.h"
 
-class CodeEmitterGen {
+class CodeEmitterGen : public TableGenBackend {
   RecordKeeper &Records;
 public:
   CodeEmitterGen(RecordKeeper &R) : Records(R) {}

llvm/support/tools/TableGen/RegisterInfoEmitter.cpp

@@ -11,13 +11,6 @@
 #include "Support/StringExtras.h"
 #include <set>
 
-static void EmitSourceHeader(const std::string &Desc, std::ostream &o) {
-  o << "//===- TableGen'erated file -------------------------------------*-"
-       " C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"
-       "d file, do not edit!\n//\n//===------------------------------------"
-       "----------------------------------===//\n\n";
-}
-
 // runEnums - Print out enum values for all of the registers.
 void RegisterInfoEmitter::runEnums(std::ostream &OS) {
   std::vector<Record*> Registers = Records.getAllDerivedDefinitions("Register");
@@ -27,7 +20,7 @@ void RegisterInfoEmitter::runEnums(std::ostream &OS) {
 
   std::string Namespace = Registers[0]->getValueAsString("Namespace");
 
-  EmitSourceHeader("Target Register Enum Values", OS);
+  EmitSourceFileHeader("Target Register Enum Values", OS);
 
   if (!Namespace.empty())
     OS << "namespace " << Namespace << " {\n";
@@ -41,22 +34,8 @@ void RegisterInfoEmitter::runEnums(std::ostream &OS) {
     OS << "}\n";
 }
 
-static Record *getTarget(RecordKeeper &RC) {
-  std::vector<Record*> Targets = RC.getAllDerivedDefinitions("Target");
-
-  if (Targets.size() != 1)
-    throw std::string("ERROR: Multiple subclasses of Target defined!");
-  return Targets[0];
-}
-
-static std::string getQualifiedName(Record *R) {
-  std::string Namespace = R->getValueAsString("Namespace");
-  if (Namespace.empty()) return R->getName();
-  return Namespace + "::" + R->getName();
-}
-
 void RegisterInfoEmitter::runHeader(std::ostream &OS) {
-  EmitSourceHeader("Register Information Header Fragment", OS);
+  EmitSourceFileHeader("Register Information Header Fragment", OS);
   
   std::string ClassName = getTarget(Records)->getName() + "GenRegisterInfo";
 
@@ -72,7 +51,7 @@ void RegisterInfoEmitter::runHeader(std::ostream &OS) {
 // RegisterInfoEmitter::run - Main register file description emitter.
 //
 void RegisterInfoEmitter::run(std::ostream &OS) {
-  EmitSourceHeader("Register Information Source Fragment", OS);
+  EmitSourceFileHeader("Register Information Source Fragment", OS);
 
   // Start out by emitting each of the register classes... to do this, we build
   // a set of registers which belong to a register class, this is to ensure that

llvm/support/tools/TableGen/RegisterInfoEmitter.h

@@ -9,10 +9,9 @@
 #ifndef REGISTER_INFO_EMITTER_H
 #define REGISTER_INFO_EMITTER_H
 
-#include <iosfwd>
-class RecordKeeper;
+#include "TableGenBackend.h"
 
-class RegisterInfoEmitter {
+class RegisterInfoEmitter : public TableGenBackend {
   RecordKeeper &Records;
 public:
   RegisterInfoEmitter(RecordKeeper &R) : Records(R) {}