/*
 * DeclarationStatement.cpp
 *
 *  Created on: Dec 9, 2012
 *      Author: attero
 */

#include "DeclarationStatement.h"



DeclarationStatement::~DeclarationStatement() {
	if(is_function)
	{
		delete body;
	}
	for(auto it = children.begin(); it != children.end(); )
	{
		delete *it;
		it = children.erase(it);
	}
}

void DeclarationStatement::add_right_value(ASTExpression * right)
{
	right_value = right->evaluate();
	children[0] = right;
}

//def print_d() { print("dupa"); }

DeclarationStatement::DeclarationStatement(ContextManager * context_manager)
{
	this->context_manager = context_manager;
	this->name_of_context = "global";
	is_function = false;
	body = nullptr;
	right_value = SenchaObject();
	children.push_back(new ConstantExpression(SenchaObject()));
	this->type = "DeclarationStatement";
	this->is_array = false;
	array_size_expression = nullptr;
}

void DeclarationStatement::add_name(std::string name)
{
	this->name = name;
}

void DeclarationStatement::add_array_size(ASTExpression * expression)
{
	this->is_array = true;
	array_size_expression = expression;
}

void DeclarationStatement::add_argument(std::string name)
{
	arguments.push_back(name);
}

SenchaObject DeclarationStatement::execute()
{
	if(is_function)
	{
		SenchaFunction * sf = new SenchaFunction(name, arguments, body);
		context_manager->context("global")->register_function(name, sf);
		return SenchaObject();
	}
	else if(is_array)
	{
		auto expr_value = array_size_expression->evaluate();
		if(expr_value.type == SenchaObject::integer_number)
		{
			int array_size = expr_value.integer;
			Context * context = context_manager->get_top();
			for(int i = 0; i< array_size; i++)
			{
				context->add("_" + name + "_" + to_string(i), SenchaObject());
			}
		}
		return SenchaObject();

	}
	else
	{
		auto context = context_manager->get_top();
		context->add(name, right_value);
		return children[0]->execute();
	}
}

void DeclarationStatement::add_body(ASTStatement * statement)
{
	is_function = true;
	body = statement;
}