#include <interpret/errors.hpp>
#include <interpret/value.hpp>

namespace Interpret
{
	int & Value::GetValue(Execute::Registers & registers)
	{
		if (type == ValueType::ImmediateInteger)
		{
			return integer;
		}

		return registers.registers[registerIndex];
	}

	void Value::CreateFromToken(Token::Token const & token)
	{
		if (token.type == Token::TokenType::ImmediateInteger)
		{
			type = ValueType::ImmediateInteger;
			integer = std::get<int>(token.data);
		}
		else if (token.type == Token::TokenType::Register)
		{
			type = ValueType::Register;
			registerIndex = static_cast<int>(std::get<Token::RegisterType>(token.data));
		}
		else
		{
			throw Internal::BadTokenForValue(token);
		}
	}
}