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/*
* WhileNode.cpp
*
* Created on: Dec 10, 2012
* Author: attero
*/
#include "WhileNode.h"
WhileNode::WhileNode(ASTNode * parent) {
body = NULL;
this->parent = parent;
this->type = "WhileNode";
}
WhileNode::~WhileNode() {
delete body;
for(auto it = children.begin(); it != children.end(); )
{
delete *it;
it = children.erase(it);
}
}
void WhileNode::add_condition(ASTExpression * expression)
{
children.push_back(expression);
}
void WhileNode::add_body(ASTStatement * statement)
{
body = statement;
}
void WhileNode::execute()
{
while(evaluate_condition())
{
body->execute();
}
}
bool WhileNode::evaluate_condition()
{
auto condition = static_cast<ASTExpression * >(children[0])->evaluate();
return condition.is_true();
}
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