Dqn/dqn_base.cpp

716 lines
32 KiB
C++

#pragma once
#include "dqn.h"
/*
////////////////////////////////////////////////////////////////////////////////////////////////////
//
// $$$$$$$\
// $$ __$$\
// $$ | $$ | $$$$$$\ $$$$$$$\ $$$$$$\
// $$$$$$$\ | \____$$\ $$ _____|$$ __$$\
// $$ __$$\ $$$$$$$ |\$$$$$$\ $$$$$$$$ |
// $$ | $$ |$$ __$$ | \____$$\ $$ ____|
// $$$$$$$ |\$$$$$$$ |$$$$$$$ |\$$$$$$$\
// \_______/ \_______|\_______/ \_______|
//
// dqn_base.cpp
//
////////////////////////////////////////////////////////////////////////////////////////////////////
*/
// NOTE: [$INTR] Intrinsics ////////////////////////////////////////////////////////////////////////
#if !defined(DQN_PLATFORM_ARM64) && !defined(DQN_PLATFORM_EMSCRIPTEN)
#if defined(DQN_COMPILER_GCC) || defined(DQN_COMPILER_CLANG)
#include <cpuid.h>
#endif
Dqn_CPUFeatureDecl g_dqn_cpu_feature_decl[Dqn_CPUFeature_Count];
DQN_API Dqn_CPUIDResult Dqn_CPU_ID(Dqn_CPUIDArgs args)
{
Dqn_CPUIDResult result = {};
__cpuidex(result.values, args.eax, args.ecx);
return result;
}
DQN_API Dqn_usize Dqn_CPU_HasFeatureArray(Dqn_CPUReport const *report, Dqn_CPUFeatureQuery *features, Dqn_usize features_size)
{
Dqn_usize result = 0;
Dqn_usize const BITS = sizeof(report->features[0]) * 8;
DQN_FOR_UINDEX(feature_index, features_size) {
Dqn_CPUFeatureQuery *query = features + feature_index;
Dqn_usize chunk_index = query->feature / BITS;
Dqn_usize chunk_bit = query->feature % BITS;
uint64_t chunk = report->features[chunk_index];
query->available = chunk & (1ULL << chunk_bit);
result += DQN_CAST(int)query->available;
}
return result;
}
DQN_API bool Dqn_CPU_HasFeature(Dqn_CPUReport const *report, Dqn_CPUFeature feature)
{
Dqn_CPUFeatureQuery query = {};
query.feature = feature;
bool result = Dqn_CPU_HasFeatureArray(report, &query, 1) == 1;
return result;
}
DQN_API bool Dqn_CPU_HasAllFeatures(Dqn_CPUReport const *report, Dqn_CPUFeature const *features, Dqn_usize features_size)
{
bool result = true;
for (Dqn_usize index = 0; result && index < features_size; index++)
result &= Dqn_CPU_HasFeature(report, features[index]);
return result;
}
DQN_API void Dqn_CPU_SetFeature(Dqn_CPUReport *report, Dqn_CPUFeature feature)
{
DQN_ASSERT(feature < Dqn_CPUFeature_Count);
Dqn_usize const BITS = sizeof(report->features[0]) * 8;
Dqn_usize chunk_index = feature / BITS;
Dqn_usize chunk_bit = feature % BITS;
report->features[chunk_index] |= (1ULL << chunk_bit);
}
DQN_API Dqn_CPUReport Dqn_CPU_Report()
{
Dqn_CPUReport result = {};
Dqn_CPUIDResult fn_0000_[16] = {};
Dqn_CPUIDResult fn_8000_[64] = {};
int const EXTENDED_FUNC_BASE_EAX = 0x8000'0000;
int const REGISTER_SIZE = sizeof(fn_0000_[0].reg.eax);
// NOTE: Query standard/extended numbers ///////////////////////////////////////////////////////
{
Dqn_CPUIDArgs args = {};
// NOTE: Query standard function (e.g. eax = 0x0) for function count + cpu vendor
args = {};
fn_0000_[0] = Dqn_CPU_ID(args);
// NOTE: Query extended function (e.g. eax = 0x8000'0000) for function count + cpu vendor
args = {};
args.eax = DQN_CAST(int) EXTENDED_FUNC_BASE_EAX;
fn_8000_[0] = Dqn_CPU_ID(args);
}
// NOTE: Extract function count ////////////////////////////////////////////////////////////////
int const STANDARD_FUNC_MAX_EAX = fn_0000_[0x0000].reg.eax;
int const EXTENDED_FUNC_MAX_EAX = fn_8000_[0x0000].reg.eax;
// NOTE: Enumerate all CPUID results for the known function counts /////////////////////////////
{
DQN_ASSERT((STANDARD_FUNC_MAX_EAX + 1) <= DQN_ARRAY_ICOUNT(fn_0000_));
DQN_ASSERT((DQN_CAST(Dqn_isize)EXTENDED_FUNC_MAX_EAX - EXTENDED_FUNC_BASE_EAX + 1) <= DQN_ARRAY_ICOUNT(fn_8000_));
for (int eax = 1; eax <= STANDARD_FUNC_MAX_EAX; eax++) {
Dqn_CPUIDArgs args = {};
args.eax = eax;
fn_0000_[eax] = Dqn_CPU_ID(args);
}
for (int eax = EXTENDED_FUNC_BASE_EAX + 1, index = 1; eax <= EXTENDED_FUNC_MAX_EAX; eax++, index++) {
Dqn_CPUIDArgs args = {};
args.eax = eax;
fn_8000_[index] = Dqn_CPU_ID(args);
}
}
// NOTE: Query CPU vendor //////////////////////////////////////////////////////////////////////
{
DQN_MEMCPY(result.vendor + 0, &fn_8000_[0x0000].reg.ebx, REGISTER_SIZE);
DQN_MEMCPY(result.vendor + 4, &fn_8000_[0x0000].reg.edx, REGISTER_SIZE);
DQN_MEMCPY(result.vendor + 8, &fn_8000_[0x0000].reg.ecx, REGISTER_SIZE);
}
// NOTE: Query CPU brand ///////////////////////////////////////////////////////////////////////
if (EXTENDED_FUNC_MAX_EAX >= (EXTENDED_FUNC_BASE_EAX + 4)) {
DQN_MEMCPY(result.brand + 0, &fn_8000_[0x0002].reg.eax, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 4, &fn_8000_[0x0002].reg.ebx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 8, &fn_8000_[0x0002].reg.ecx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 12, &fn_8000_[0x0002].reg.edx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 16, &fn_8000_[0x0003].reg.eax, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 20, &fn_8000_[0x0003].reg.ebx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 24, &fn_8000_[0x0003].reg.ecx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 28, &fn_8000_[0x0003].reg.edx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 32, &fn_8000_[0x0004].reg.eax, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 36, &fn_8000_[0x0004].reg.ebx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 40, &fn_8000_[0x0004].reg.ecx, REGISTER_SIZE);
DQN_MEMCPY(result.brand + 44, &fn_8000_[0x0004].reg.edx, REGISTER_SIZE);
DQN_ASSERT(result.brand[sizeof(result.brand) - 1] == 0);
}
// NOTE: Query CPU features //////////////////////////////////////////////////////////////////
for (Dqn_usize ext_index = 0; ext_index < Dqn_CPUFeature_Count; ext_index++) {
bool available = false;
// NOTE: Mask bits taken from various manuals
// - AMD64 Architecture Programmer's Manual, Volumes 1-5
// - https://en.wikipedia.org/wiki/CPUID#Calling_CPUID
switch (DQN_CAST(Dqn_CPUFeature)ext_index) {
case Dqn_CPUFeature_3DNow: available = (fn_8000_[0x0001].reg.edx & (1 << 31)); break;
case Dqn_CPUFeature_3DNowExt: available = (fn_8000_[0x0001].reg.edx & (1 << 30)); break;
case Dqn_CPUFeature_ABM: available = (fn_8000_[0x0001].reg.ecx & (1 << 5)); break;
case Dqn_CPUFeature_AES: available = (fn_0000_[0x0001].reg.ecx & (1 << 25)); break;
case Dqn_CPUFeature_AVX: available = (fn_0000_[0x0001].reg.ecx & (1 << 28)); break;
case Dqn_CPUFeature_AVX2: available = (fn_0000_[0x0007].reg.ebx & (1 << 0)); break;
case Dqn_CPUFeature_AVX512F: available = (fn_0000_[0x0007].reg.ebx & (1 << 16)); break;
case Dqn_CPUFeature_AVX512DQ: available = (fn_0000_[0x0007].reg.ebx & (1 << 17)); break;
case Dqn_CPUFeature_AVX512IFMA: available = (fn_0000_[0x0007].reg.ebx & (1 << 21)); break;
case Dqn_CPUFeature_AVX512PF: available = (fn_0000_[0x0007].reg.ebx & (1 << 26)); break;
case Dqn_CPUFeature_AVX512ER: available = (fn_0000_[0x0007].reg.ebx & (1 << 27)); break;
case Dqn_CPUFeature_AVX512CD: available = (fn_0000_[0x0007].reg.ebx & (1 << 28)); break;
case Dqn_CPUFeature_AVX512BW: available = (fn_0000_[0x0007].reg.ebx & (1 << 30)); break;
case Dqn_CPUFeature_AVX512VL: available = (fn_0000_[0x0007].reg.ebx & (1 << 31)); break;
case Dqn_CPUFeature_AVX512VBMI: available = (fn_0000_[0x0007].reg.ecx & (1 << 1)); break;
case Dqn_CPUFeature_AVX512VBMI2: available = (fn_0000_[0x0007].reg.ecx & (1 << 6)); break;
case Dqn_CPUFeature_AVX512VNNI: available = (fn_0000_[0x0007].reg.ecx & (1 << 11)); break;
case Dqn_CPUFeature_AVX512BITALG: available = (fn_0000_[0x0007].reg.ecx & (1 << 12)); break;
case Dqn_CPUFeature_AVX512VPOPCNTDQ: available = (fn_0000_[0x0007].reg.ecx & (1 << 14)); break;
case Dqn_CPUFeature_AVX5124VNNIW: available = (fn_0000_[0x0007].reg.edx & (1 << 2)); break;
case Dqn_CPUFeature_AVX5124FMAPS: available = (fn_0000_[0x0007].reg.edx & (1 << 3)); break;
case Dqn_CPUFeature_AVX512VP2INTERSECT: available = (fn_0000_[0x0007].reg.edx & (1 << 8)); break;
case Dqn_CPUFeature_AVX512FP16: available = (fn_0000_[0x0007].reg.edx & (1 << 23)); break;
case Dqn_CPUFeature_CLZERO: available = (fn_8000_[0x0008].reg.ebx & (1 << 0)); break;
case Dqn_CPUFeature_CMPXCHG8B: available = (fn_0000_[0x0001].reg.edx & (1 << 8)); break;
case Dqn_CPUFeature_CMPXCHG16B: available = (fn_0000_[0x0001].reg.ecx & (1 << 13)); break;
case Dqn_CPUFeature_F16C: available = (fn_0000_[0x0001].reg.ecx & (1 << 29)); break;
case Dqn_CPUFeature_FMA: available = (fn_0000_[0x0001].reg.ecx & (1 << 12)); break;
case Dqn_CPUFeature_FMA4: available = (fn_8000_[0x0001].reg.ecx & (1 << 16)); break;
case Dqn_CPUFeature_FP128: available = (fn_8000_[0x001A].reg.eax & (1 << 0)); break;
case Dqn_CPUFeature_FP256: available = (fn_8000_[0x001A].reg.eax & (1 << 2)); break;
case Dqn_CPUFeature_FPU: available = (fn_0000_[0x0001].reg.edx & (1 << 0)); break;
case Dqn_CPUFeature_MMX: available = (fn_0000_[0x0001].reg.edx & (1 << 23)); break;
case Dqn_CPUFeature_MONITOR: available = (fn_0000_[0x0001].reg.ecx & (1 << 3)); break;
case Dqn_CPUFeature_MOVBE: available = (fn_0000_[0x0001].reg.ecx & (1 << 22)); break;
case Dqn_CPUFeature_MOVU: available = (fn_8000_[0x001A].reg.eax & (1 << 1)); break;
case Dqn_CPUFeature_MmxExt: available = (fn_8000_[0x0001].reg.edx & (1 << 22)); break;
case Dqn_CPUFeature_PCLMULQDQ: available = (fn_0000_[0x0001].reg.ecx & (1 << 1)); break;
case Dqn_CPUFeature_POPCNT: available = (fn_0000_[0x0001].reg.ecx & (1 << 23)); break;
case Dqn_CPUFeature_RDRAND: available = (fn_0000_[0x0001].reg.ecx & (1 << 30)); break;
case Dqn_CPUFeature_RDSEED: available = (fn_0000_[0x0007].reg.ebx & (1 << 18)); break;
case Dqn_CPUFeature_RDTSCP: available = (fn_8000_[0x0001].reg.edx & (1 << 27)); break;
case Dqn_CPUFeature_SHA: available = (fn_0000_[0x0007].reg.ebx & (1 << 29)); break;
case Dqn_CPUFeature_SSE: available = (fn_0000_[0x0001].reg.edx & (1 << 25)); break;
case Dqn_CPUFeature_SSE2: available = (fn_0000_[0x0001].reg.edx & (1 << 26)); break;
case Dqn_CPUFeature_SSE3: available = (fn_0000_[0x0001].reg.ecx & (1 << 0)); break;
case Dqn_CPUFeature_SSE41: available = (fn_0000_[0x0001].reg.ecx & (1 << 19)); break;
case Dqn_CPUFeature_SSE42: available = (fn_0000_[0x0001].reg.ecx & (1 << 20)); break;
case Dqn_CPUFeature_SSE4A: available = (fn_8000_[0x0001].reg.ecx & (1 << 6)); break;
case Dqn_CPUFeature_SSSE3: available = (fn_0000_[0x0001].reg.ecx & (1 << 9)); break;
case Dqn_CPUFeature_TSC: available = (fn_0000_[0x0001].reg.edx & (1 << 4)); break;
case Dqn_CPUFeature_TscInvariant: available = (fn_8000_[0x0007].reg.edx & (1 << 8)); break;
case Dqn_CPUFeature_VAES: available = (fn_0000_[0x0007].reg.ecx & (1 << 9)); break;
case Dqn_CPUFeature_VPCMULQDQ: available = (fn_0000_[0x0007].reg.ecx & (1 << 10)); break;
case Dqn_CPUFeature_Count: DQN_INVALID_CODE_PATH; break;
}
if (available)
Dqn_CPU_SetFeature(&result, DQN_CAST(Dqn_CPUFeature)ext_index);
}
return result;
}
#endif // !defined(DQN_PLATFORM_ARM64) && !defined(DQN_PLATFORM_EMSCRIPTEN)
// NOTE: [$TMUT] Dqn_TicketMutex ///////////////////////////////////////////////////////////////////
DQN_API void Dqn_TicketMutex_Begin(Dqn_TicketMutex *mutex)
{
unsigned int ticket = Dqn_Atomic_AddU32(&mutex->ticket, 1);
Dqn_TicketMutex_BeginTicket(mutex, ticket);
}
DQN_API void Dqn_TicketMutex_End(Dqn_TicketMutex *mutex)
{
Dqn_Atomic_AddU32(&mutex->serving, 1);
}
DQN_API Dqn_uint Dqn_TicketMutex_MakeTicket(Dqn_TicketMutex *mutex)
{
Dqn_uint result = Dqn_Atomic_AddU32(&mutex->ticket, 1);
return result;
}
DQN_API void Dqn_TicketMutex_BeginTicket(Dqn_TicketMutex const *mutex, Dqn_uint ticket)
{
DQN_ASSERTF(mutex->serving <= ticket,
"Mutex skipped ticket? Was ticket generated by the correct mutex via MakeTicket? ticket = %u, "
"mutex->serving = %u",
ticket,
mutex->serving);
while (ticket != mutex->serving) {
// NOTE: Use spinlock intrinsic
_mm_pause();
}
}
DQN_API bool Dqn_TicketMutex_CanLock(Dqn_TicketMutex const *mutex, Dqn_uint ticket)
{
bool result = (ticket == mutex->serving);
return result;
}
#if defined(DQN_COMPILER_MSVC) || defined(DQN_COMPILER_CLANG_CL)
#if !defined(DQN_CRT_SECURE_NO_WARNINGS_PREVIOUSLY_DEFINED)
#undef _CRT_SECURE_NO_WARNINGS
#endif
#endif
// NOTE: [$PRIN] Dqn_Print /////////////////////////////////////////////////////////////////////////
DQN_API Dqn_PrintStyle Dqn_Print_StyleColour(uint8_t r, uint8_t g, uint8_t b, Dqn_PrintBold bold)
{
Dqn_PrintStyle result = {};
result.bold = bold;
result.colour = true;
result.r = r;
result.g = g;
result.b = b;
return result;
}
DQN_API Dqn_PrintStyle Dqn_Print_StyleColourU32(uint32_t rgb, Dqn_PrintBold bold)
{
uint8_t r = (rgb >> 24) & 0xFF;
uint8_t g = (rgb >> 16) & 0xFF;
uint8_t b = (rgb >> 8) & 0xFF;
Dqn_PrintStyle result = Dqn_Print_StyleColour(r, g, b, bold);
return result;
}
DQN_API Dqn_PrintStyle Dqn_Print_StyleBold()
{
Dqn_PrintStyle result = {};
result.bold = Dqn_PrintBold_Yes;
return result;
}
DQN_API void Dqn_Print_Std(Dqn_PrintStd std_handle, Dqn_Str8 string)
{
DQN_ASSERT(std_handle == Dqn_PrintStd_Out || std_handle == Dqn_PrintStd_Err);
#if defined(DQN_OS_WIN32)
// NOTE: Get the output handles from kernel ////////////////////////////////////////////////////
DQN_THREAD_LOCAL void *std_out_print_handle = nullptr;
DQN_THREAD_LOCAL void *std_err_print_handle = nullptr;
DQN_THREAD_LOCAL bool std_out_print_to_console = false;
DQN_THREAD_LOCAL bool std_err_print_to_console = false;
if (!std_out_print_handle) {
unsigned long mode = 0; (void)mode;
std_out_print_handle = GetStdHandle(STD_OUTPUT_HANDLE);
std_out_print_to_console = GetConsoleMode(std_out_print_handle, &mode) != 0;
std_err_print_handle = GetStdHandle(STD_ERROR_HANDLE);
std_err_print_to_console = GetConsoleMode(std_err_print_handle, &mode) != 0;
}
// NOTE: Select the output handle //////////////////////////////////////////////////////////////
void *print_handle = std_out_print_handle;
bool print_to_console = std_out_print_to_console;
if (std_handle == Dqn_PrintStd_Err) {
print_handle = std_err_print_handle;
print_to_console = std_err_print_to_console;
}
// NOTE: Write the string //////////////////////////////////////////////////////////////////////
DQN_ASSERT(string.size < DQN_CAST(unsigned long)-1);
unsigned long bytes_written = 0; (void)bytes_written;
if (print_to_console) {
WriteConsoleA(print_handle, string.data, DQN_CAST(unsigned long)string.size, &bytes_written, nullptr);
} else {
WriteFile(print_handle, string.data, DQN_CAST(unsigned long)string.size, &bytes_written, nullptr);
}
#else
fprintf(std_handle == Dqn_PrintStd_Out ? stdout : stderr, "%.*s", DQN_STR_FMT(string));
#endif
}
DQN_API void Dqn_Print_StdStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, Dqn_Str8 string)
{
if (string.data && string.size) {
if (style.colour)
Dqn_Print_Std(std_handle, Dqn_Print_ESCColourFgStr8(style.r, style.g, style.b));
if (style.bold == Dqn_PrintBold_Yes)
Dqn_Print_Std(std_handle, Dqn_Print_ESCBoldStr8);
Dqn_Print_Std(std_handle, string);
if (style.colour || style.bold == Dqn_PrintBold_Yes)
Dqn_Print_Std(std_handle, Dqn_Print_ESCResetStr8);
}
}
DQN_API void Dqn_Print_StdF(Dqn_PrintStd std_handle, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Print_StdFV(std_handle, fmt, args);
va_end(args);
}
DQN_API void Dqn_Print_StdFStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Print_StdFVStyle(std_handle, style, fmt, args);
va_end(args);
}
#if !defined(DQN_USE_STD_PRINTF)
DQN_FILE_SCOPE char *Dqn_Print_VSPrintfChunker_(const char *buf, void *user, int len)
{
Dqn_Str8 string = {};
string.data = DQN_CAST(char *)buf;
string.size = len;
Dqn_PrintStd std_handle = DQN_CAST(Dqn_PrintStd)DQN_CAST(uintptr_t)user;
Dqn_Print_Std(std_handle, string);
return (char *)buf;
}
#endif
DQN_API void Dqn_Print_StdFV(Dqn_PrintStd std_handle, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
#if defined(DQN_USE_STD_PRINTF)
vfprintf(std_handle == Dqn_PrintStd_Out ? stdout : stderr, fmt, args);
#else
char buffer[STB_SPRINTF_MIN];
STB_SPRINTF_DECORATE(vsprintfcb)(Dqn_Print_VSPrintfChunker_, DQN_CAST(void *)DQN_CAST(uintptr_t)std_handle, buffer, fmt, args);
#endif
}
DQN_API void Dqn_Print_StdFVStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
if (fmt) {
if (style.colour)
Dqn_Print_Std(std_handle, Dqn_Print_ESCColourFgStr8(style.r, style.g, style.b));
if (style.bold == Dqn_PrintBold_Yes)
Dqn_Print_Std(std_handle, Dqn_Print_ESCBoldStr8);
Dqn_Print_StdFV(std_handle, fmt, args);
if (style.colour || style.bold == Dqn_PrintBold_Yes)
Dqn_Print_Std(std_handle, Dqn_Print_ESCResetStr8);
}
}
DQN_API void Dqn_Print_StdLn(Dqn_PrintStd std_handle, Dqn_Str8 string)
{
Dqn_Print_Std(std_handle, string);
Dqn_Print_Std(std_handle, DQN_STR8("\n"));
}
DQN_API void Dqn_Print_StdLnF(Dqn_PrintStd std_handle, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Print_StdLnFV(std_handle, fmt, args);
va_end(args);
}
DQN_API void Dqn_Print_StdLnFV(Dqn_PrintStd std_handle, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Print_StdFV(std_handle, fmt, args);
Dqn_Print_Std(std_handle, DQN_STR8("\n"));
}
DQN_API void Dqn_Print_StdLnStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, Dqn_Str8 string)
{
Dqn_Print_StdStyle(std_handle, style, string);
Dqn_Print_Std(std_handle, DQN_STR8("\n"));
}
DQN_API void Dqn_Print_StdLnFStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Print_StdLnFVStyle(std_handle, style, fmt, args);
va_end(args);
}
DQN_API void Dqn_Print_StdLnFVStyle(Dqn_PrintStd std_handle, Dqn_PrintStyle style, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Print_StdFVStyle(std_handle, style, fmt, args);
Dqn_Print_Std(std_handle, DQN_STR8("\n"));
}
DQN_API Dqn_Str8 Dqn_Print_ESCColourStr8(Dqn_PrintESCColour colour, uint8_t r, uint8_t g, uint8_t b)
{
DQN_THREAD_LOCAL char buffer[32];
buffer[0] = 0;
Dqn_Str8 result = {};
result.size = DQN_SNPRINTF(buffer,
DQN_ARRAY_UCOUNT(buffer),
"\x1b[%d;2;%u;%u;%um",
colour == Dqn_PrintESCColour_Fg ? 38 : 48,
r, g, b);
result.data = buffer;
return result;
}
DQN_API Dqn_Str8 Dqn_Print_ESCColourU32Str8(Dqn_PrintESCColour colour, uint32_t value)
{
uint8_t r = DQN_CAST(uint8_t)(value >> 24);
uint8_t g = DQN_CAST(uint8_t)(value >> 16);
uint8_t b = DQN_CAST(uint8_t)(value >> 8);
Dqn_Str8 result = Dqn_Print_ESCColourStr8(colour, r, g, b);
return result;
}
// NOTE: [$LLOG] Dqn_Log ///////////////////////////////////////////////////////////////////////////
DQN_API Dqn_Str8 Dqn_Log_MakeStr8(Dqn_Arena *arena,
bool colour,
Dqn_Str8 type,
int log_type,
Dqn_CallSite call_site,
DQN_FMT_ATTRIB char const *fmt,
va_list args)
{
DQN_LOCAL_PERSIST Dqn_usize max_type_length = 0;
max_type_length = DQN_MAX(max_type_length, type.size);
int type_padding = DQN_CAST(int)(max_type_length - type.size);
Dqn_Str8 colour_esc = {};
Dqn_Str8 bold_esc = {};
Dqn_Str8 reset_esc = {};
if (colour) {
bold_esc = Dqn_Print_ESCBoldStr8;
reset_esc = Dqn_Print_ESCResetStr8;
switch (log_type) {
case Dqn_LogType_Debug: break;
case Dqn_LogType_Info: colour_esc = Dqn_Print_ESCColourFgU32Str8(Dqn_LogTypeColourU32_Info); break;
case Dqn_LogType_Warning: colour_esc = Dqn_Print_ESCColourFgU32Str8(Dqn_LogTypeColourU32_Warning); break;
case Dqn_LogType_Error: colour_esc = Dqn_Print_ESCColourFgU32Str8(Dqn_LogTypeColourU32_Error); break;
}
}
Dqn_Str8 file_name = Dqn_Str8_FileNameFromPath(call_site.file);
Dqn_OSDateTimeStr8 const time = Dqn_OS_DateLocalTimeStr8Now();
Dqn_Str8 header = Dqn_Str8_InitF(arena,
"%.*s " // date
"%.*s " // hms
"%.*s" // colour
"%.*s" // bold
"%.*s" // type
"%*s" // type padding
"%.*s" // reset
" %.*s" // file name
":%05I32u " // line number
,
DQN_CAST(int)time.date_size - 2, time.date + 2, // date
DQN_CAST(int)time.hms_size, time.hms, // hms
DQN_STR_FMT(colour_esc), // colour
DQN_STR_FMT(bold_esc), // bold
DQN_STR_FMT(type), // type
DQN_CAST(int)type_padding, "", // type padding
DQN_STR_FMT(reset_esc), // reset
DQN_STR_FMT(file_name), // file name
call_site.line); // line number
Dqn_usize header_size_no_ansi_codes = header.size - colour_esc.size - Dqn_Print_ESCResetStr8.size;
// NOTE: Header padding ////////////////////////////////////////////////////////////////////////
DQN_LOCAL_PERSIST Dqn_usize max_header_length = 0;
max_header_length = DQN_MAX(max_header_length, header_size_no_ansi_codes);
Dqn_usize header_padding = max_header_length - header_size_no_ansi_codes;
// NOTE: Construct final log ///////////////////////////////////////////////////////////////////
Dqn_Str8 user_msg = Dqn_Str8_InitFV(arena, fmt, args);
Dqn_Str8 result = Dqn_Str8_Alloc(arena, header.size + header_padding + user_msg.size, Dqn_ZeroMem_No);
if (Dqn_Str8_HasData(result)) {
DQN_MEMCPY(result.data, header.data, header.size);
DQN_MEMSET(result.data + header.size, ' ', header_padding);
if (Dqn_Str8_HasData(user_msg))
DQN_MEMCPY(result.data + header.size + header_padding, user_msg.data, user_msg.size);
}
return result;
}
DQN_FILE_SCOPE void Dqn_Log_FVDefault_(Dqn_Str8 type, int log_type, void *user_data, Dqn_CallSite call_site, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Library *lib = g_dqn_library;
(void)log_type;
(void)user_data;
// NOTE: Open log file for appending if requested //////////////////////////
Dqn_TicketMutex_Begin(&lib->log_file_mutex);
if (lib->log_to_file && !lib->log_file.handle && !lib->log_file.error) {
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 log_path = Dqn_OS_PathConvertF(scratch.arena, "%.*s/dqn.log", DQN_STR_FMT(lib->exe_dir));
lib->log_file = Dqn_OS_FileOpen(log_path, Dqn_OSFileOpen_CreateAlways, Dqn_OSFileAccess_AppendOnly, nullptr);
}
Dqn_TicketMutex_End(&lib->log_file_mutex);
// NOTE: Generate the log header ///////////////////////////////////////////
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 log_line = Dqn_Log_MakeStr8(scratch.arena, !lib->log_no_colour, type, log_type, call_site, fmt, args);
// NOTE: Print log /////////////////////////////////////////////////////////
Dqn_Print_StdLn(Dqn_PrintStd_Out, log_line);
Dqn_TicketMutex_Begin(&lib->log_file_mutex);
Dqn_OS_FileWrite(&lib->log_file, log_line, nullptr);
Dqn_OS_FileWrite(&lib->log_file, DQN_STR8("\n"), nullptr);
Dqn_TicketMutex_End(&lib->log_file_mutex);
}
DQN_API void Dqn_Log_FVCallSite(Dqn_Str8 type, Dqn_CallSite call_site, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
if (g_dqn_library) {
Dqn_LogProc *logging_function = g_dqn_library->log_callback ? g_dqn_library->log_callback : Dqn_Log_FVDefault_;
logging_function(type, -1 /*log_type*/, g_dqn_library->log_user_data, call_site, fmt, args);
} else {
// NOTE: Rarely taken branch, only when trying to use this library without initialising it
Dqn_Print_StdLnFV(Dqn_PrintStd_Out, fmt, args);
}
}
DQN_API void Dqn_Log_FCallSite(Dqn_Str8 type, Dqn_CallSite call_site, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Log_FVCallSite(type, call_site, fmt, args);
va_end(args);
}
DQN_API void Dqn_Log_TypeFVCallSite(Dqn_LogType type, Dqn_CallSite call_site, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Str8 type_string = DQN_STR8("DQN-BAD-LOG-TYPE");
switch (type) {
case Dqn_LogType_Error: type_string = DQN_STR8("ERROR"); break;
case Dqn_LogType_Info: type_string = DQN_STR8("INFO"); break;
case Dqn_LogType_Warning: type_string = DQN_STR8("WARN"); break;
case Dqn_LogType_Debug: type_string = DQN_STR8("DEBUG"); break;
case Dqn_LogType_Count: type_string = DQN_STR8("BADXX"); break;
}
Dqn_Log_FVCallSite(type_string, call_site, fmt, args);
}
DQN_API void Dqn_Log_TypeFCallSite(Dqn_LogType type, Dqn_CallSite call_site, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Log_TypeFVCallSite(type, call_site, fmt, args);
va_end(args);
}
// NOTE: [$ERRS] Dqn_ErrorSink /////////////////////////////////////////////////////////////////////
DQN_API Dqn_ErrorSink *Dqn_ErrorSink_Begin(Dqn_ErrorSinkMode mode)
{
Dqn_ThreadContext *thread_context = Dqn_ThreadContext_Get();
Dqn_ErrorSink *result = &thread_context->error_sink;
Dqn_ErrorSinkNode *node = Dqn_Arena_New(result->arena, Dqn_ErrorSinkNode, Dqn_ZeroMem_Yes);
node->next = result->stack;
node->arena_pos = Dqn_Arena_Pos(result->arena);
node->mode = mode;
result->stack = node;
return result;
}
DQN_API bool Dqn_ErrorSink_HasError(Dqn_ErrorSink *error)
{
bool result = error && error->stack->error;
return result;
}
DQN_API Dqn_ErrorSinkNode Dqn_ErrorSink_End(Dqn_Arena *arena, Dqn_ErrorSink *error)
{
Dqn_ErrorSinkNode result = {};
if (!error)
return result;
Dqn_ErrorSinkNode *node = error->stack;
if (!node)
return result;
DQN_ASSERTF(arena != error->arena,
"You are not allowed to reuse the arena for ending the error sink because the memory would get popped and lost");
result = *error->stack;
result.next = nullptr;
result.msg = Dqn_Str8_Copy(arena, result.msg);
error->stack = error->stack->next;
Dqn_Arena_PopTo(error->arena, result.arena_pos);
return result;
}
DQN_API void Dqn_ErrorSink_EndAndIgnore(Dqn_ErrorSink *error)
{
Dqn_ErrorSink_End(nullptr, error);
}
DQN_API bool Dqn_ErrorSink_EndAndLogError(Dqn_ErrorSink *error, Dqn_Str8 error_msg)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_ErrorSinkNode node = Dqn_ErrorSink_End(scratch.arena, error);
if (node.error) {
if (Dqn_Str8_HasData(error_msg)) {
Dqn_Log_TypeFCallSite(Dqn_LogType_Error, node.call_site, "%.*s: %.*s", DQN_STR_FMT(error_msg), DQN_STR_FMT(node.msg));
} else {
Dqn_Log_TypeFCallSite(Dqn_LogType_Error, node.call_site, "%.*s", DQN_STR_FMT(node.msg));
}
}
bool result = node.error;
return result;
}
DQN_API bool Dqn_ErrorSink_EndAndLogErrorFV(Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 log = Dqn_Str8_InitFV(scratch.arena, fmt, args);
bool result = Dqn_ErrorSink_EndAndLogError(error, log);
return result;
}
DQN_API bool Dqn_ErrorSink_EndAndLogErrorF(Dqn_ErrorSink *error, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_Scratch scratch = Dqn_Scratch_Get(nullptr);
Dqn_Str8 log = Dqn_Str8_InitFV(scratch.arena, fmt, args);
bool result = Dqn_ErrorSink_EndAndLogError(error, log);
va_end(args);
return result;
}
DQN_API void Dqn_ErrorSink_EndAndExitIfErrorFV(Dqn_ErrorSink *error, uint32_t exit_code, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
if (Dqn_ErrorSink_EndAndLogErrorFV(error, fmt, args)) {
DQN_DEBUG_BREAK;
Dqn_OS_Exit(exit_code);
}
}
DQN_API void Dqn_ErrorSink_EndAndExitIfErrorF(Dqn_ErrorSink *error, uint32_t exit_code, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_ErrorSink_EndAndExitIfErrorFV(error, exit_code, fmt, args);
va_end(args);
}
DQN_API void Dqn_ErrorSink_MakeFV_(Dqn_ErrorSink *error, uint32_t error_code, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
if (!error)
return;
Dqn_ErrorSinkNode *node = error->stack;
DQN_ASSERTF(node, "Error sink must be begun by calling 'Begin' before using this function.");
if (!node->error) { // NOTE: Only preserve the first error
node->msg = Dqn_Str8_InitFV(error->arena, fmt, args);
node->error_code = error_code;
node->error = true;
node->call_site = Dqn_ThreadContext_Get()->call_site;
if (node->mode == Dqn_ErrorSinkMode_ExitOnError)
Dqn_ErrorSink_EndAndExitIfErrorF(error, error_code, "Fatal error %u", error_code);
}
}
DQN_API void Dqn_ErrorSink_MakeF_(Dqn_ErrorSink *error, uint32_t error_code, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_ErrorSink_MakeFV_(error, error_code, fmt, args);
va_end(args);
}