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/* $Id$
*
* Copyright (C) 2007-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __SUBSCRIPT_HPP_INCLUDED
#define __SUBSCRIPT_HPP_INCLUDED
#include <list>
#include "frontend/ast/Expression.hpp"
namespace ast {
//! subscript operation on an array.
/** Array subscription by an index, which returns the element.
* arraytype(index {, index} ) -> element of arraytype.
*/
class Subscript : public Expression {
public:
//! c'tor
/** @param sourceArrayType an Expression which returns an array.
* @param idc list of indices.
* @param loc Location of the Subscript operation.
*/
Subscript(
Expression *sourceArrayType,
std::list<Expression*> *idc,
Location loc
) : Expression(loc),
source(sourceArrayType),
indices(idc) {}
//! Accept a Visitor.
/** All leaf AST nodes need to implement this method.
*
* @param visitor the Visitor that can visit this node.
*/
virtual void accept(Visitor& visitor) {
visitor.visit(*this);
}
/** Put a textual representation of the AstNode on the stream.
* @param stream stream to put the textual representation to.
*/
virtual void put(std::ostream &stream) const {
stream << this->source << '(';
util::MiscUtil::listPut(this->indices, stream, ", ");
stream << ')';
}
//! source of the subscript.
Expression *source;
//! list of indices
std::list<Expression*> *indices;
protected:
/** Destructor */
virtual ~Subscript() {
util::MiscUtil::terminate(this->source);
util::MiscUtil::lterminate(this->indices);
}
};
}; /* namespace ast */
#endif /* __SUBSCRIPT_HPP_INCLUDED */
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