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// Helper Functions for assembling
#pragma once
#include "chunk.h"
#include "../minicc.h"
#include <boost/endian/conversion.hpp>
#include <any>
#include <functional>
#include <iostream>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
namespace Asm {
class Args: public std::vector<std::any>
{
public:
Args(){}
Args(const std::vector<std::any>& args): std::vector<std::any>(args){}
class Immediate8
{
public:
Immediate8(uint8_t value): m_value(value) {}
uint8_t value() {return m_value;}
std::vector<uint8_t> getCode() {return {m_value};};
private:
uint8_t m_value;
};
class Immediate32
{
public:
Immediate32(uint32_t value): m_value(value) {}
uint32_t value() { return m_value; }
std::vector<uint8_t> getCode() {
std::vector<uint8_t> result(size_t(4));
*(reinterpret_cast<uint32_t*>(result.data())) = boost::endian::native_to_little(m_value);
return result;
};
private:
uint32_t m_value;
};
class Immediate64
{
public:
Immediate64(uint64_t value): m_value(value) {}
uint64_t value() { return m_value; }
std::vector<uint8_t> getCode() {
std::vector<uint8_t> result(size_t(8));
*(reinterpret_cast<uint64_t*>(result.data())) = boost::endian::native_to_little(m_value);
return result;
};
private:
uint64_t m_value;
};
class Register8
{
public:
Register8(const std::string& name): m_name(name) {}
std::string name() { return m_name; }
private:
std::string m_name;
};
class Register32
{
public:
Register32(const std::string& name): m_name(name) {}
std::string name() { return m_name; }
private:
std::string m_name;
};
class Register64
{
public:
Register64(const std::string& name): m_name(name) {}
std::string name() { return m_name; }
private:
std::string m_name;
};
// 64 bit Ptr to 32 bit Memory
class Mem32Ptr64
{
public:
Mem32Ptr64(const std::string& reg, int32_t offs = 0): m_reg(reg), m_offs(offs) {}
Mem32Ptr64(const std::string& reg, const std::string& reg2 = ""s, int32_t offs = 0): m_reg(reg), m_reg2(reg2), m_offs(offs) {}
std::string reg() { return m_reg; }
std::string reg2() { return m_reg2; }
int32_t offs() { return m_offs; }
private:
std::string m_reg;
std::string m_reg2;
int32_t m_offs;
};
class Label
{
public:
Label(const std::string& name): m_name(name) {}
std::string name() { return m_name; }
private:
std::string m_name;
};
}; // class Args
} // namespace Asm
using FactoryFunction = std::function<std::shared_ptr<Op>(const Asm::Args&)>;
// mnemonic: mnemonic including argument types
bool registerOp(const std::string& mnemonic, FactoryFunction f);
// Create Op from a registered mnemonic
// mnemonic: just the mnemonic name
std::shared_ptr<Op> makeOp(const std::string& mnemonic, const Asm::Args& args);
// overload for empty list of arguments
std::shared_ptr<Op> makeOp(const std::string& mnemonic);
std::shared_ptr<Label> makeLabel(const std::string& name);
std::shared_ptr<Data> makeData(const std::vector<uint8_t>& data);
template<typename T>
std::string mangleNameOne(const std::string& s)
{
return s + "_" + typeid(T).name();
}
template<typename T, typename... Targs>
std::string mangleName(const std::string& s)
{
if constexpr (sizeof...(Targs) == 0)
return mangleNameOne<T>(s);
else
return mangleName<Targs...>(s + "_" + typeid(T).name());
}
std::string mangleName(const std::string& s, const Asm::Args& args);
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