#ifndef __PLASP__PDDL__EXPRESSIONS__VARIABLE_H
#define __PLASP__PDDL__EXPRESSIONS__VARIABLE_H

#include <plasp/pddl/Expression.h>

namespace plasp
{
namespace pddl
{
namespace expressions
{

////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Variable
//
////////////////////////////////////////////////////////////////////////////////////////////////////

class Variable: public ExpressionCRTP<Variable>
{
	public:
		static const Expression::Type ExpressionType = Expression::Type::Variable;

		static void parseTypedDeclaration(Context &context, ExpressionContext &expressionContext,
			Variables &variables);
		static void parseTypedDeclarations(Context &context, ExpressionContext &expressionContext,
			Variables &variables);

	public:
		Variable();
		Variable(std::string name);

		void setName(std::string name);
		const std::string &name() const;

		void setType(ExpressionPointer type);
		ExpressionPointer type() const;

		void setDirty(bool isDirty = true);
		bool isDirty() const;

		void print(std::ostream &ostream) const override;

	private:
		static void parseDeclaration(Context &context, Variables &parameters);

	private:
		bool m_isDirty;

		std::string m_name;

		ExpressionPointer m_type;
};

////////////////////////////////////////////////////////////////////////////////////////////////////

}
}
}

#endif