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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 __IF_STAT_HPP_INCLUDED
#define __IF_STAT_HPP_INCLUDED
#include "frontend/ast/ConditionedStat.hpp"
#include "frontend/ast/Expression.hpp"
namespace ast {
/** an if-then-else statement */
class IfStat : public ConditionedStat {
public:
//! c'tor
/** @param cond condition that needs to be evaluated to boolean
* @param thenList list of statements to be executed if cond is true
* @param elseList list of statements to be executed if cond is not
* met.
* @param loc location of the declaration.
*/
IfStat(
Expression *cond,
std::list<SeqStat*> *thenList,
std::list<SeqStat*> *elseList,
Location loc
) : ConditionedStat(cond, loc),
thenStats(thenList),
elseStats(elseList) {}
//! 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 << "IF " << this->condition << " THEN ";
util::MiscUtil::listPut(this->thenStats, stream, "; ");
if (this->elseStats) {
stream << " ELSE ";
util::MiscUtil::listPut(this->elseStats, stream,
"; ");
}
stream << " END IF;";
}
/** sequential statements that are part of the then-clause */
std::list<SeqStat*> *thenStats;
/** sequential statements that are part of the else-clause */
std::list<SeqStat*> *elseStats;
protected:
/** Destructor */
virtual ~IfStat() {
util::MiscUtil::lterminate(thenStats);
util::MiscUtil::lterminate(elseStats);
}
};
}; /* namespace ast */
#endif /* __IF_STAT_HPP_INCLUDED */
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