TokenListArray.cpp

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// ------------------------------------------------------------------------
// $RCSfile: TokenListArray.cpp,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class TokenListArray:
//   A class used to parse a "token list array" attribute.
//
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:33:36 $
// $Author: Andreas Adelmann $
//
// ------------------------------------------------------------------------
 
#include "Attributes/TokenListArray.h"
#include "Attributes/Attributes.h"
#include "AbstractObjects/Expressions.h"
#include "Expressions/AValue.h"
#include "Utilities/OpalException.h"
#include <vector>
 
using namespace Expressions;
 
 
// Class TokenListArray
// ------------------------------------------------------------------------
 
namespace Attributes {
 
    TokenListArray::TokenListArray(const std::string &name, const std::string &help):
        AttributeHandler(name, help, 0)
    {}
 
 
    TokenListArray::~TokenListArray()
    {}
 
 
    const std::string &TokenListArray::getType() const {
        static const std::string type("token list array");
        return type;
    }
 
 
    void TokenListArray::parse(Attribute &attr, Statement &stat, bool) const {
        Attributes::setTokenListArray(attr, parseTokenListArray(stat));
    }
 
 
    void TokenListArray::parseComponent
    (Attribute &attr, Statement &statement, bool, int index) const {
        std::vector<std::list<Token> > array;
 
        if(AttributeBase *base = &attr.getBase()) {
            array = dynamic_cast<AValue<std::list<Token> > *>(base)->evaluate();
        }
 
        while(int(array.size()) < index) {
            array.push_back(std::list<Token>());
        }
 
        array[index - 1] = Expressions::parseTokenList(statement);
        Attributes::setTokenListArray(attr, array);
    }
 
};