sencha-lang/Sencha-lang/AST/IfNode.cpp

69 lines
1.1 KiB
C++

/*
* IfNode.cpp
*
* Created on: Nov 18, 2012
* Author: attero
*/
#include "IfNode.h"
IfNode::IfNode(ASTNode * parent) {
this->parent = parent;
is_else = false;
}
std::string IfNode::debug()
{
std::string debug_note;
debug_note = "If node, condition is: " + to_string(evaluate_condition());
if(evaluate_condition())
debug_note += "Doing first branch";
else
debug_note += "Doing second branch";
return debug_note;
}
bool IfNode::evaluate_condition()
{
auto condition = static_cast<ASTExpression * >(children[0])->evaluate();
return condition.is_true();
}
IfNode::~IfNode() {
for(auto it = children.begin(); it != children.end(); )
{
delete *it;
it = children.erase(it);
}
}
void IfNode::add_condition(ASTExpression * expression)
{
children.push_back(expression);
}
void IfNode::execute()
{
if(evaluate_condition())
{
children[1]->execute();
}
else if(is_else)
{
children[2]->execute();
}
}
void IfNode::add_body(ASTStatement * statement)
{
children.push_back(statement);
}
void IfNode::add_else_block(ASTStatement * statement)
{
is_else = true;
children.push_back(statement);
}