Immediate.h

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// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <concepts>
#include <cstdint>
#include <format>
#include <memory>
#include <string>
 
#include "mini-llvm/utils/Compiler.h"
 
namespace mini_llvm::mir {
 
class MINI_LLVM_EXPORT Immediate {
public:
    virtual ~Immediate() = default;
 
    Immediate(const Immediate &) = delete;
    Immediate &operator=(const Immediate &) = delete;
 
    Immediate(Immediate &&) = delete;
    Immediate &operator=(Immediate &&) = delete;
 
    virtual int64_t value() const = 0;
    virtual std::unique_ptr<Immediate> clone() const = 0;
 
    std::string format() const {
        return std::to_string(value());
    }
 
protected:
    Immediate() = default;
};
 
} // namespace mini_llvm::mir
 
template <typename ImmediateT>
    requires std::derived_from<ImmediateT, mini_llvm::mir::Immediate>
struct std::formatter<ImmediateT> {
    constexpr auto parse(std::format_parse_context &ctx) {
        return ctx.begin();
    }
 
    template <typename FormatContext>
    auto format(const ImmediateT &imm, FormatContext &ctx) const {
        return std::format_to(ctx.out(), "{}", imm.format());
    }
};