/**
  *
  *                  OOAS Compiler - C++ AST
  *
  * Copyright 2015, AIT Austrian Institute of Technology.
  * All rights reserved.
  *
  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
  *
  * If you modify the file please update the list of contributors below to in-
  * clude your name. Please also stick to the coding convention of using TABs
  * to do the basic (block-level) indentation and spaces for anything after
  * that. (Enable the display of special chars and it should be pretty obvious
  * what this means.) Also, remove all trailing whitespace.
  *
  * Contributors:
  *               Willibald Krenn (AIT)
  *               Stephan Zimmerer (AIT)
  *               Christoph Czurda (AIT)
  *
  */



#pragma once

#include <cstdint>
#include <ast/identifiers/ValueIdentifier.hpp>
#include <ast/IScope.hpp>
#include <ast/types/Type.hpp>

namespace Ast {

class EnumIdentifier final
	: public ValueIdentifier
{
protected:
	std::int32_t m_value;
	bool m_haveValue;

	EnumIdentifier() :
		ValueIdentifier(IdentifierKind::EnumIdentifier),
		m_value (-1),
		m_haveValue (false)
	{};

	EnumIdentifier(const EnumIdentifier& toCopy) :
		ValueIdentifier (toCopy),
		m_value (toCopy.m_value),
		m_haveValue (toCopy.m_haveValue)
	{};

	static EnumIdentifier* create() {return new EnumIdentifier();}
	static EnumIdentifier* createCopy(const EnumIdentifier& toCopy) {return new EnumIdentifier(toCopy);}
public:
	friend class Ast;
	friend class Identifier;

	std::int32_t value() const { return m_value; };
	bool haveValue() const { return m_haveValue; };

	void init(std::int32_t line, std::int32_t col, const char* text,
			IScope* scopeRef, Type* typeRef, bool haveValue,
			std::int32_t value)
	{
		ValueIdentifier::init(line, col, text, scopeRef, typeRef);
		m_value = value;
		m_haveValue = haveValue;
	}

	void accept(IAstVisitor& visitor) override
	{
		visitor.visit(this);
	}
};
}