RexxInstruction.cpp

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/*----------------------------------------------------------------------------*/
/*                                                                            */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved.             */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved.    */
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/*----------------------------------------------------------------------------*/
/******************************************************************************/
/* REXX Kernel                                                                */
/*                                                                            */
/* Primitive Translator Abstract Instruction Code                             */
/*                                                                            */
/******************************************************************************/
#include <stdlib.h>
#include "RexxCore.h"
#include "RexxInstruction.hpp"
#include "Clause.hpp"
 
RexxInstruction::RexxInstruction(
    RexxClause *clause,                /* associated clause object          */
    int type)                          /* type of instruction               */
/******************************************************************************/
/* Function:  Common initialization for instruction objects                   */
/******************************************************************************/
{
                                       /* record the instruction type       */
  this->instructionType = type;
  if (clause != OREF_NULL) {           /* have a clause object?             */
                                       /* fill in default location info     */
      instructionLocation = clause->getLocation();
  }
  else
  {
      // zero the location
      instructionLocation.setStart(0, 0);
  }
}
 
void RexxInstruction::live(size_t liveMark)
/******************************************************************************/
/* Function:  Normal garbage collection live marking                          */
/******************************************************************************/
{
  memory_mark(this->nextInstruction);
}
 
void RexxInstruction::liveGeneral(int reason)
/******************************************************************************/
/* Function:  Generalized object marking                                      */
/******************************************************************************/
{
                                       /* do common marking                 */
  memory_mark_general(this->nextInstruction);
}
 
void RexxInstruction::flatten(RexxEnvelope *envelope)
/******************************************************************************/
/* Function:  Flatten an object                                               */
/******************************************************************************/
{
  setUpFlatten(RexxInstruction)
 
  flatten_reference(newThis->nextInstruction, envelope);
 
  cleanUpFlatten
}
 
void * RexxInstruction::operator new(size_t size)
/******************************************************************************/
/* Function:  Create a new translator object                                  */
/******************************************************************************/
{
  return new_object(size, T_Instruction); /* Get new object                    */
}
 
void RexxInstructionExpression::live(size_t liveMark)
/******************************************************************************/
/* Function:  Normal garbage collection live marking                          */
/******************************************************************************/
{
  memory_mark(this->nextInstruction);
  memory_mark(this->expression);
}
 
void RexxInstructionExpression::liveGeneral(int reason)
/******************************************************************************/
/* Function:  Generalized object marking                                      */
/******************************************************************************/
{
                                       /* do common marking                 */
  memory_mark_general(this->nextInstruction);
  memory_mark_general(this->expression);
}
 
void RexxInstructionExpression::flatten(RexxEnvelope *envelope)
/******************************************************************************/
/* Function:  Flatten an object                                               */
/******************************************************************************/
{
  setUpFlatten(RexxInstructionExpression)
 
  flatten_reference(newThis->nextInstruction, envelope);
  flatten_reference(newThis->expression, envelope);
 
  cleanUpFlatten
}