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sirit/src/literal_number.h
2019-03-11 03:19:59 -03:00

41 lines
1,020 B
C++

/* This file is part of the sirit project.
* Copyright (c) 2018 ReinUsesLisp
* This software may be used and distributed according to the terms of the GNU
* Lesser General Public License version 3 or any later version.
*/
#pragma once
#include "operand.h"
#include "stream.h"
#include <cstring>
#include <typeindex>
namespace Sirit {
class LiteralNumber : public Operand {
public:
LiteralNumber(std::type_index type);
~LiteralNumber();
virtual void Fetch(Stream& stream) const;
virtual u16 GetWordCount() const;
virtual bool operator==(const Operand& other) const;
template <typename T> static LiteralNumber* Create(T value) {
static_assert(sizeof(T) == 4 || sizeof(T) == 8);
LiteralNumber* number = new LiteralNumber(std::type_index(typeid(T)));
number->is_32 = sizeof(T) == 4;
std::memcpy(&number->raw, &value, sizeof(T));
return number;
}
private:
std::type_index type;
bool is_32{};
u64 raw{};
};
} // namespace Sirit