/*
 * Assignment.h
 *
 *  Created on: Dec 7, 2012
 *      Author: attero
 */

#ifndef ASSIGNMENT_H_
#define ASSIGNMENT_H_
#include <string>
#include "ASTExpression.h"
#include "../ContextManager.h"
/**
 * Assignment is an abstraction of assignment.
 * It is different from i.e BasicExpression so that it change value of the lvalue
 * and has to forward this change to whole system. Assignment does it thanks to its
 * fellowship with right context
 * if expression is assigned not to variable, it doesn't update value of variable of course
 * it just gives value of rvalue...
 * mmm... maybe it'd be better to return InvalidExpression with appropriate error message such
 * as: "Invalid assignment, values cannot be assigned to constant values"
 */
class Assignment : public ASTExpression {
public:
	ContextManager * context_manager;

	std::string name;
	std::string name_of_context;
	SenchaObject evaluate();
	SenchaObject execute();
	Assignment(ContextManager * context, std::string name, ASTExpression * left, ASTExpression * right);
	virtual ~Assignment();
};

#endif /* ASSIGNMENT_H_ */