OtherwiseInstruction.cpp

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/******************************************************************************/
/* REXX Translator                                                            */
/*                                                                            */
/* Primitive Otherwise Parse Class                                            */
/*                                                                            */
/******************************************************************************/
#include <stdlib.h>
#include "RexxCore.h"
#include "StringClass.hpp"
#include "RexxActivation.hpp"
#include "Token.hpp"
#include "OtherwiseInstruction.hpp"
 
RexxInstructionOtherwise::RexxInstructionOtherwise(
    RexxToken *token)                  /* actual otherwise token            */
/******************************************************************************/
/* Function:  Complete initialization of an OTHERWISE                         */
/******************************************************************************/
{
  SourceLocation location;             /* clause location information       */
 
  location = token->getLocation();     /* get the token location info       */
  this->setLocation(location);         /* set the clause location also      */
}
 
void RexxInstructionOtherwise::execute(
    RexxActivation      *context,      /* current activation context        */
    RexxExpressionStack *stack )       /* evaluation stack                  */
/****************************************************************************/
/* Function:  Execute a REXX OTHERWISE instruction                          */
/****************************************************************************/
{
  if (!context->hasActiveBlocks())      /* no possible blocks?               */
  {
                                         /* this is an error                  */
      reportException(Error_Unexpected_when_otherwise);
  }
  context->traceInstruction(this);     /* trace if necessary                */
  context->indent();
  return;                              /* do nothing at all (honest)        */
}