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Making helpers.hpp thinner

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wheremyfoodat 2023-06-27 01:49:12 +03:00
parent 3cf8427670
commit 432b4b847b
3 changed files with 17 additions and 58 deletions
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2
CMakeLists.txt
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@ -120,7 +120,7 @@ set(HEADER_FILES include/emulator.hpp include/helpers.hpp include/opengl.hpp inc
include/system_models.hpp include/services/dlp_srvr.hpp include/result/result.hpp
include/result/result_common.hpp include/result/result_fs.hpp include/result/result_fnd.hpp
include/result/result_gsp.hpp include/result/result_kernel.hpp include/result/result_os.hpp
include/crypto/aes_engine.hpp
include/crypto/aes_engine.hpp include/metaprogramming.hpp
)
set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp

57
include/helpers.hpp
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@ -2,13 +2,10 @@
#include <climits>
#include <cstdarg>
#include <cstdint>
#include <fstream>
#include <iostream>
#include <iterator>
#include <sstream>
#include <string>
#include <type_traits>
#include <utility>
#include <vector>
#include "termcolor.hpp"
@ -53,21 +50,6 @@ namespace Helpers {
va_end(args);
}
static std::vector<u8> loadROM(std::string directory) {
std::ifstream file(directory, std::ios::binary);
if (file.fail()) panic("Couldn't read %s", directory.c_str());
std::vector<u8> ROM;
file.unsetf(std::ios::skipws);
ROM.insert(ROM.begin(), std::istream_iterator<uint8_t>(file), std::istream_iterator<uint8_t>());
file.close();
printf("%s loaded successfully\n", directory.c_str());
return ROM;
}
static constexpr bool buildingInDebugMode() {
#ifdef NDEBUG
return false;
@ -122,36 +104,6 @@ namespace Helpers {
return (value >> offset) & ones<T, bits>();
}
/// Check if a bit "bit" of value is set
static constexpr bool isBitSet(u32 value, int bit) { return (value >> bit) & 1; }
/// rotate number right
template <typename T>
static constexpr T rotr(T value, int bits) {
constexpr auto bitWidth = sizeof(T) * 8;
bits &= bitWidth - 1;
return (value >> bits) | (value << (bitWidth - bits));
}
// rotate number left
template <typename T>
static constexpr T rotl(T value, int bits) {
constexpr auto bitWidth = sizeof(T) * 8;
bits &= bitWidth - 1;
return (value << bits) | (value >> (bitWidth - bits));
}
/// Used to make the compiler evaluate beeg loops at compile time for the tablegen
template <typename T, T Begin, class Func, T... Is>
static constexpr void static_for_impl(Func&& f, std::integer_sequence<T, Is...>) {
(f(std::integral_constant<T, Begin + Is>{}), ...);
}
template <typename T, T Begin, T End, class Func>
static constexpr void static_for(Func&& f) {
static_for_impl<T, Begin>(std::forward<Func>(f), std::make_integer_sequence<T, End - Begin>{});
}
// For values < 0x99
static constexpr inline u8 incBCDByte(u8 value) { return ((value & 0xf) == 0x9) ? value + 7 : value + 1; }
@ -186,12 +138,3 @@ constexpr size_t operator""_KB(unsigned long long int x) { return 1024ULL * x; }
constexpr size_t operator""_MB(unsigned long long int x) { return 1024_KB * x; }
constexpr size_t operator""_GB(unsigned long long int x) { return 1024_MB * x; }
// useful macros
// likely/unlikely
#ifdef __GNUC__
#define likely(x) __builtin_expect((x), 1)
#define unlikely(x) __builtin_expect((x), 0)
#else
#define likely(x) (x)
#define unlikely(x) (x)
#endif

16
include/metaprogramming.hpp Normal file
View file

@ -0,0 +1,16 @@
#pragma once
#include <type_traits>
#include <utility>
namespace Helpers {
/// Used to make the compiler evaluate beeg loops at compile time for things like generating compile-time tables
template <typename T, T Begin, class Func, T... Is>
static constexpr void static_for_impl(Func&& f, std::integer_sequence<T, Is...>) {
(f(std::integral_constant<T, Begin + Is>{}), ...);
}
template <typename T, T Begin, T End, class Func>
static constexpr void static_for(Func&& f) {
static_for_impl<T, Begin>(std::forward<Func>(f), std::make_integer_sequence<T, End - Begin>{});
}
}