void ASTNode::addSibling(ASTNode *node)
{
ASTNode *i;
i = this;
while (i->getSibling() != NULL) {
i = i->getSibling();
}
node->setParentNode(this->_parent);
i->_siblings = node;
}
void ASTNode::addChild(ASTNode *node)
{
node->setParentNode(this);
if (_children == NULL) {
_children = node;
}else {
ASTNode *i;
i = _children;
while (i->getSibling() != NULL) {
i = i->getSibling();
}
i->addSibling(node);
}
}