374 lines
9.8 KiB
C
374 lines
9.8 KiB
C
#pragma once
|
|
|
|
#define STRINGIFY(x) #x
|
|
#define TOSTRING(x) STRINGIFY(x)
|
|
|
|
#define USE_MEMCPY 1
|
|
|
|
#if _WIN32
|
|
#define _CRT_SECURE_NO_WARNINGS
|
|
#endif
|
|
|
|
#define LINK_LIBC 1
|
|
|
|
#ifndef BB_DEBUG
|
|
#define BB_DEBUG 1
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include <stdarg.h>
|
|
|
|
#ifndef BB_SAFETY
|
|
#define BB_SAFETY BB_DEBUG
|
|
#endif
|
|
|
|
#define STRUCT_FORWARD_DECL(S) typedef struct S S
|
|
#define STRUCT(S) STRUCT_FORWARD_DECL(S); struct S
|
|
#define UNION_FORWARD_DECL(U) typedef union U U
|
|
#define UNION(U) UNION_FORWARD_DECL(U); union U
|
|
|
|
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
|
|
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
|
|
#define CLAMP(a, x, b) (((a)>(x))?(a):((b)<(x))?(b):(x))
|
|
|
|
#ifdef __TINYC__
|
|
#define declare_vector_type #error
|
|
#else
|
|
#ifdef __clang__
|
|
#define declare_vector_type(T, count, name) typedef T name __attribute__((ext_vector_type(count)))
|
|
#else
|
|
#define declare_vector_type(T, count, name) typedef T name __attribute__((vector_size(count)))
|
|
#endif
|
|
#endif
|
|
#define array_length(arr) sizeof(arr) / sizeof((arr)[0])
|
|
#define KB(n) ((n) * 1024)
|
|
#define MB(n) ((n) * 1024 * 1024)
|
|
#define GB(n) ((u64)(n) * 1024 * 1024 * 1024)
|
|
#define TB(n) ((u64)(n) * 1024 * 1024 * 1024 * 1024)
|
|
#define unused(x) (void)(x)
|
|
#if _MSC_VER
|
|
#define BB_NORETURN __declspec(noreturn)
|
|
#define BB_COLD __declspec(noinline)
|
|
#elif defined(__TINYC__)
|
|
#define BB_NORETURN __attribute__((noreturn))
|
|
#define BB_COLD __attribute__((cold))
|
|
#else
|
|
#define BB_NORETURN [[noreturn]]
|
|
#define BB_COLD [[gnu::cold]]
|
|
#endif
|
|
#define TRUNCATE(Destination, source) (Destination)(source)
|
|
|
|
#if _MSC_VER
|
|
#define ENUM_START(EnumName, T) typedef T EnumName; typedef enum EnumName ## Flags
|
|
#define ENUM_END(EnumName) EnumName ## Flags
|
|
#else
|
|
#define ENUM_START(EnumName, T) typedef enum EnumName : T
|
|
#define ENUM_END(EnumName) EnumName
|
|
#endif
|
|
|
|
#define ENUM(EnumName, T, ...) \
|
|
ENUM_START(EnumName, T)\
|
|
{\
|
|
__VA_ARGS__\
|
|
} ENUM_END(EnumName)
|
|
|
|
typedef uint8_t u8;
|
|
typedef uint16_t u16;
|
|
typedef uint32_t u32;
|
|
typedef uint64_t u64;
|
|
#if defined (__TINYC__) || defined(_MSC_VER)
|
|
UNION(u128)
|
|
{
|
|
struct
|
|
{
|
|
u64 low;
|
|
u64 high;
|
|
};
|
|
u64 v[2];
|
|
};
|
|
#else
|
|
typedef __uint128_t u128;
|
|
#endif
|
|
typedef unsigned int uint;
|
|
|
|
typedef int8_t s8;
|
|
typedef int16_t s16;
|
|
typedef int32_t s32;
|
|
typedef int64_t s64;
|
|
#if !defined(__TINYC__) && !defined(_MSC_VER)
|
|
typedef __int128_t s128;
|
|
#endif
|
|
|
|
typedef size_t usize;
|
|
|
|
#if !defined(__TINYC__) && !defined(_MSC_VER)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wpedantic"
|
|
typedef _Float16 f16;
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
typedef float f32;
|
|
typedef double f64;
|
|
|
|
typedef u32 Hash32;
|
|
typedef u64 Hash64;
|
|
|
|
#define Slice(T) Slice_ ## T
|
|
#define SliceP(T) SliceP_ ## T
|
|
#define declare_slice_ex(T, StructName) STRUCT(StructName) \
|
|
{\
|
|
T* pointer;\
|
|
u64 length;\
|
|
}
|
|
|
|
#define declare_slice(T) declare_slice_ex(T, Slice(T))
|
|
#define declare_slice_p(T) declare_slice_ex(T*, SliceP(T))
|
|
|
|
declare_slice(u8);
|
|
declare_slice(u16);
|
|
declare_slice(u32);
|
|
declare_slice(u64);
|
|
declare_slice(s8);
|
|
declare_slice(s16);
|
|
declare_slice(s32);
|
|
declare_slice(s64);
|
|
|
|
declare_slice_p(char);
|
|
declare_slice_p(u8);
|
|
declare_slice_p(void);
|
|
|
|
typedef Slice(u8) String;
|
|
declare_slice(String);
|
|
|
|
#if BB_DEBUG
|
|
#define assert(x) (unlikely(!(x)) ? panic("Assert failed: \"" # x "\" at {cstr}:{u32}\n", __FILE__, __LINE__) : unused(0))
|
|
#else
|
|
#define assert(x) unused(likely(x))
|
|
#endif
|
|
|
|
#ifndef __cplusplus
|
|
#if _MSC_VER
|
|
#define unreachable_raw() __assume(0)
|
|
#else
|
|
#define unreachable_raw() __builtin_unreachable()
|
|
#endif
|
|
// Undefine unreachable if needed to provide a more safe-guard implementation
|
|
#ifdef unreachable
|
|
#undef unreachable
|
|
#endif
|
|
#if BB_DEBUG
|
|
#define unreachable() panic("Unreachable triggered\n", __FILE__, __LINE__)
|
|
#else
|
|
#define unreachable() unreachable_raw()
|
|
#endif
|
|
#define fix_unreachable() unreachable_raw()
|
|
|
|
#ifndef static_assert
|
|
#define static_assert(x) _Static_assert((x), "Static assert failed!")
|
|
#endif
|
|
#define alignof(x) _Alignof(x)
|
|
#else
|
|
#define restrict __restrict
|
|
#endif
|
|
#ifndef BB_INFINITY
|
|
#define BB_INFINITY __builtin_inff()
|
|
#endif
|
|
#ifndef BB_NAN
|
|
#define BB_NAN __builtin_nanf("")
|
|
#endif
|
|
#define fn static
|
|
#define method __attribute__((visibility("internal")))
|
|
#define global_variable static
|
|
#define forceinline __attribute__((always_inline))
|
|
#if _MSC_VER
|
|
#define expect(x, b) (!!(x))
|
|
#else
|
|
#define expect(x, b) __builtin_expect(!!(x), b)
|
|
#endif
|
|
#define likely(x) expect(x, 1)
|
|
#define unlikely(x) expect(x, 0)
|
|
#define breakpoint() __builtin_debugtrap()
|
|
#define failed_execution() panic("Failed execution at {cstr}:{u32}\n", __FILE__, __LINE__)
|
|
#define todo() os_is_being_debugged() ? trap() : panic("TODO at {cstr}:{u32}\n", __FILE__, __LINE__); fix_unreachable()
|
|
|
|
fn void print(const char* format, ...);
|
|
BB_NORETURN BB_COLD fn void os_exit(u32 exit_code);
|
|
|
|
#if _MSC_VER
|
|
#define trap() __fastfail(1)
|
|
#elif __has_builtin(__builtin_trap)
|
|
#define trap() __builtin_trap()
|
|
#else
|
|
extern BB_NORETURN BB_COLD void abort(void);
|
|
fn BB_NORETURN BB_COLD void trap_ext()
|
|
{
|
|
#ifdef __x86_64__
|
|
asm volatile("ud2");
|
|
#else
|
|
abort();
|
|
#endif
|
|
}
|
|
#define trap() (trap_ext(), __builtin_unreachable())
|
|
#endif
|
|
|
|
fn u8 os_is_being_debugged();
|
|
#define panic(format, ...) (!os_is_being_debugged() ? print(format, __VA_ARGS__), os_exit(1) : os_exit(1))
|
|
|
|
#define let_pointer_cast(PointerChildType, var_name, value) PointerChildType* var_name = (PointerChildType*)(value)
|
|
#if defined(__TINYC__) || defined(_MSC_VER)
|
|
#define let(name, value) typeof(value) name = (value)
|
|
#else
|
|
#define let(name, value) __auto_type name = (value)
|
|
#endif
|
|
#define let_cast(T, name, value) T name = cast_to(T, value)
|
|
#define assign_cast(to, from) to = cast_to(typeof(to), from)
|
|
#define let_va_arg(T, name, args) T name = va_arg(args, T)
|
|
#define transmute(D, source) *(D*)&source
|
|
|
|
#if BB_SAFETY
|
|
#define cast_to(T, value) (assert((typeof(value)) (T) (value) == (value) && ((value) > 0) == ((T) (value) > 0)), (T) (value))
|
|
#else
|
|
#define cast_to(T, value) (T)(value)
|
|
#endif
|
|
|
|
typedef enum Corner
|
|
{
|
|
CORNER_00,
|
|
CORNER_01,
|
|
CORNER_10,
|
|
CORNER_11,
|
|
CORNER_COUNT,
|
|
} Corner;
|
|
|
|
typedef enum Axis2
|
|
{
|
|
AXIS2_X,
|
|
AXIS2_Y,
|
|
AXIS2_COUNT,
|
|
} Axis2;
|
|
|
|
// #ifdef __cplusplus
|
|
// #define EXPORT extern "C"
|
|
// #else
|
|
// #define EXPORT
|
|
// #endif
|
|
|
|
#if defined(__cplusplus) && defined(__linux__)
|
|
#define NO_EXCEPT __THROW
|
|
#else
|
|
#define NO_EXCEPT
|
|
#endif
|
|
|
|
#define NamedEnumMemberEnum(e, enum_member) e ## _ ## enum_member
|
|
#define NamedEnumMemberString(e, enum_member) strlit(#enum_member)
|
|
|
|
typedef SliceP(char) CStringSlice;
|
|
|
|
#ifdef _WIN32
|
|
typedef void* FileDescriptor;
|
|
#else
|
|
typedef int FileDescriptor;
|
|
#endif
|
|
|
|
#define FOR_N(it, start, end) \
|
|
for (u32 it = (start), end__ = (end); it < end__; ++it)
|
|
|
|
#define FOR_REV_N(it, start, end) \
|
|
for (u32 it = (end), start__ = (start); (it--) > start__;)
|
|
|
|
#define FOR_BIT(it, start, bits) \
|
|
for (typeof(bits) _bits_ = (bits), it = (start); _bits_; _bits_ >>= 1, ++it) if (_bits_ & 1)
|
|
|
|
#define FOREACH_SET(it, set) \
|
|
FOR_N(_i, 0, ((set)->arr.capacity + 63) / 64) FOR_BIT(it, _i*64, (set)->arr.pointer[_i])
|
|
|
|
#define size_until_end(T, field_name) (sizeof(T) - offsetof(T, field_name))
|
|
#define SWAP(a, b) \
|
|
do {\
|
|
static_assert(typeof(a) == typeof(b));\
|
|
let(temp, a);\
|
|
a = b;\
|
|
b = temp;\
|
|
} while (0)
|
|
|
|
#define slice_from_pointer_range(T, start, end) (Slice(T)) { .pointer = start, .length = (u64)(end - start), }
|
|
|
|
#define strlit_len(s) (sizeof(s) - 1)
|
|
#define strlit(s) (String){ .pointer = (u8*)(s), .length = strlit_len(s), }
|
|
#define ch_to_str(ch) (String){ .pointer = &ch, .length = 1 }
|
|
#define array_to_slice(arr) { .pointer = (arr), .length = array_length(arr) }
|
|
#define array_to_bytes(arr) { .pointer = (u8*)(arr), .length = sizeof(arr) }
|
|
#define pointer_to_bytes(p) (String) { .pointer = (u8*)(p), .length = sizeof(*p) }
|
|
#define scalar_to_bytes(s) pointer_to_bytes(&(s))
|
|
#define string_to_c(s) ((char*)((s).pointer))
|
|
#define cstr(s) ((String) { .pointer = (u8*)(s), .length = strlen((char*)s), } )
|
|
|
|
#define case_to_name(prefix, e) case prefix ## e: return strlit(#e)
|
|
|
|
global_variable const u8 brace_open = '{';
|
|
global_variable const u8 brace_close = '}';
|
|
|
|
global_variable const u8 parenthesis_open = '(';
|
|
global_variable const u8 parenthesis_close = ')';
|
|
|
|
global_variable const u8 bracket_open = '[';
|
|
global_variable const u8 bracket_close = ']';
|
|
|
|
#define s_get(s, i) (s).pointer[i]
|
|
#define s_get_pointer(s, i) &((s).pointer[i])
|
|
#define s_get_slice(T, s, start, end) (Slice(T)){ .pointer = ((s).pointer) + (start), .length = (end) - (start) }
|
|
#define s_equal(a, b) ((a).length == (b).length && memcmp((a).pointer, (b).pointer, sizeof(*((a).pointer)) * (a).length) == 0)
|
|
|
|
fn u64 align_forward_u64(u64 value, u64 alignment);
|
|
fn u64 align_backward_u64(u64 value, u64 alignment);
|
|
fn u8 log2_alignment_u64(u64 alignment);
|
|
fn u8 is_power_of_two_u64(u64 value);
|
|
fn u8 first_bit_set_u32(u32 value);
|
|
fn u64 first_bit_set_u64(u64 value);
|
|
|
|
fn u32 format_decimal(String buffer, u64 decimal);
|
|
fn u32 format_hexadecimal(String buffer, u64 hexadecimal);
|
|
fn u64 format_float(String buffer, f64 value_double);
|
|
|
|
fn u64 is_decimal_digit(u8 ch);
|
|
fn u32 is_space(u8 ch, u8 next_ch);
|
|
fn u8 get_next_ch_safe(String string, u64 index);
|
|
fn u64 is_identifier_start(u8 ch);
|
|
fn u64 is_identifier_ch(u8 ch);
|
|
fn u64 is_alphabetic(u8 ch);
|
|
fn u64 is_alphanumeric(u8 ch);
|
|
|
|
fn u64 parse_decimal(String string);
|
|
|
|
global_variable const Hash64 fnv_offset = 14695981039346656037ull;
|
|
global_variable const u64 fnv_prime = 1099511628211ull;
|
|
|
|
fn Hash32 hash32_fib_end(Hash32 hash);
|
|
fn Hash32 hash64_fib_end(Hash64 hash);
|
|
|
|
fn Hash64 hash_byte(Hash64 source, u8 ch);
|
|
fn Hash64 hash_bytes(String bytes);
|
|
fn Hash32 hash64_to_hash32(Hash64 hash64);
|
|
|
|
fn u64 round_up_to_next_power_of_2(u64 n);
|
|
|
|
STRUCT(TextureIndex)
|
|
{
|
|
u32 value;
|
|
};
|
|
|
|
fn u64 safe_flag(u64 value, u64 flag)
|
|
{
|
|
u64 result = value & ((u64)0 - flag);
|
|
return result;
|
|
}
|
|
|
|
#define member_from_offset(pointer, type, memory_offset) (*(type*)((u8*)pointer + memory_offset))
|
|
#if _MSC_VER
|
|
#define offset_of(T, member) offsetof(T, member)
|
|
#else
|
|
#define offset_of(T, member) __builtin_offsetof(T, member)
|
|
#endif
|
|
|