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/******************************************************************************/
/* REXX Translator                                                            */
/*                                                                            */
/* Primitive Options Parse Class                                              */
/*                                                                            */
/******************************************************************************/
#include "RexxCore.h"
#include "StringClass.hpp"
#include "RexxActivation.hpp"
#include "OptionsInstruction.hpp"
#include "ArrayClass.hpp"

/**
 * Constructor for an OPTIONS instruction
 *
 * @param _expression
 *               The expression to evaluate for the options string.
 */
RexxInstructionOptions::RexxInstructionOptions(RexxInternalObject *_expression)
{
    expression = _expression;
}

/**
 * Execute an OPTIONS instruction.  NOTE:  Currently, there
 * are no OPTIONS that we support on this.
 *
 * @param context The current execution context.
 * @param stack   The current evaluation stack.
 */
void RexxInstructionOptions::execute(RexxActivation *context, ExpressionStack *stack)
{
    // even though we don't support anything, we still trace the evaluation and
    // raise any errors if they occure.
    context->traceInstruction(this);

    // trace, and get as a string.
    RexxString *stringValue = evaluateStringExpression(context, stack);

// NOTE:  processing is currently disabled, but if options are reenabled, the
// processing framework is here.
#ifdef _DEBUG
    // break up into an array of words
    ArrayClass *words = stringValue->subWords(OREF_NULL, OREF_NULL);
    size_t wordCount = words->size();

    for (size_t i = 1; i <= wordCount ;i++)
    {
        RexxString *word = (RexxString *)words->get(i);
        if (word->strCaselessCompare("DUMPMEMORY"))
        {
            memoryObject.dumpImageStats();
        }
    }
#endif
    context->pauseInstruction();
}