OMRJitBuilderRecorder.hpp

/*******************************************************************************
 * Copyright IBM Corp. and others 2018
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution
 * and is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception [1] and GNU General Public
 * License, version 2 with the OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#ifndef OMR_JITBUILDERRECORDER_INCL
#define OMR_JITBUILDERRECORDER_INCL

#include <iostream>
#include <fstream>
#include <map>
#include "ilgen/StatementNames.hpp"

namespace TR { class IlBuilder; }
namespace TR { class MethodBuilder; }
namespace TR { class IlType; }
namespace TR { class IlValue; }

namespace OMR
{

class JitBuilderRecorder
   {
   public:

   typedef uint32_t                      TypeID;
   typedef std::map<const void *,TypeID> TypeMapID;

   JitBuilderRecorder(const TR::MethodBuilder *mb, const char *fileName);
   virtual ~JitBuilderRecorder();

   void setMethodBuilderRecorder(TR::MethodBuilder *mb) {_mb = mb;}

   /**
    * @brief Subclasses override these functions to record to different output formats
    */
   virtual void Close();
   virtual void String(const char * const string)             { }
   virtual void Number(int8_t num)                            { }
   virtual void Number(int16_t num)                           { }
   virtual void Number(int32_t num)                           { }
   virtual void Number(int64_t num)                           { }
   virtual void Number(float num)                             { }
   virtual void Number(double num)                            { }
   virtual void ID(TypeID id)                                 { }
   virtual void Statement(const char *s)                      { }
   virtual void Type(const TR::IlType *type)                  { }
   virtual void Value(const TR::IlValue *v)                   { }
   virtual void Builder(const TR::MethodBuilder *b)           { }
   virtual void Builder()                                     { }
   virtual void Location(const void * location)               { }

   virtual void BeginStatement(const TR::MethodBuilder *b, const char *s);
   virtual void BeginStatement(const char *s);
   virtual void EndStatement()                                { }

   void StoreID(const void *ptr);
   bool EnsureAvailableID(const void *ptr);

   protected:

   void start();
   bool knownID(const void *ptr);
   TypeID lookupID(const void *ptr);
   void ensureStatementDefined(const char *s);
   void end();

   TypeID getNewID();
   TypeID myID();

   const TR::MethodBuilder * _mb;
   TypeID                            _nextID;
   TypeMapID                         _idMap;
   uint8_t                           _idSize;

   std::fstream _file;
   
   };

} // namespace OMR

#endif // !defined(OMR_JITBUILDERRECORDER_INCL)