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na.h
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/*
na.h - v0.08
Nick Aversano's C/C++ helper library
This is a single header file with a bunch of useful stuff
to replace the C/C++ standard library.
===========================================================================
USAGE
Define this in your source file:
#define impl
#include "na.h"
LICENSE
This software is dual-licensed to the public domain and under the following
license: you are granted a perpetual, irrevocable license to copy, modify,
publish, and distribute this file as you see fit.
CREDITS
Written by Nick Aversano
Credits are much appreciated but not required.
VERSION HISTORY
0.09 - linux support
0.08 - bug fixes, fix arena alignment on MacOS ARM
0.07 - bug fixes
0.06 - added comparision helpers, improved stretchy arrays API, added Timing_f64,
actually seed random with os time
0.05 - fix problem with not including Win32 headers, add back #impl
0.04 - breaking API changes, lots of new stuff!
0.03 - arena improvements
0.02 - replace nja with na, arena and thread clean up
0.01 - Initial version
*/
#ifndef NA_H
#define NA_H
#ifndef BASE_CTX_CRACK_H
#define BASE_CTX_CRACK_H
//
// OS
//
#if defined(_WIN32)
#define OS_WINDOWS 1
#elif defined(__APPLE__)
#define OS_MACOS 1
#elif defined(__linux__)
#define OS_LINUX 1
#endif
#if !defined(OS_WINDOWS)
#define OS_WINDOWS 0
#endif
#if !defined(OS_LINUX)
#define OS_LINUX 0
#endif
#if !defined(OS_MACOS)
#define OS_MACOS 0
#endif
//
// Language
//
#if defined(__cplusplus)
#define LANG_CPP 1
#else
#define LANG_C 1
#endif
#if !defined(LANG_CPP)
#define LANG_CPP 0
#endif
#if !defined(LANG_C)
#define LANG_C 0
#endif
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202300L
#define C_VERSION_23 1
#else
#define C_VERSION_23 0
#endif
//
// Compiler
//
#if defined(__clang__)
#define COMPILER_CLANG 1
#elif defined(_MSC_VER)
#define COMPILER_MSVC 1
#elif defined(__GNUC__) || defined(__GNUG__)
#define COMPILER_GCC 1
#endif
#if !defined(COMPILER_MSVC)
#define COMPILER_MSVC 0
#endif
#if !defined(COMPILER_GCC)
#define COMPILER_GCC 0
#endif
#if !defined(COMPILER_CLANG)
#define COMPILER_CLANG 0
#endif
#if COMPILER_MSVC
#if _MSC_VER >= 1930
#define COMPILER_MSVC_YEAR 2022
#elif _MSC_VER >= 1920
#define COMPILER_MSVC_YEAR 2019
#elif _MSC_VER >= 1910
#define COMPILER_MSVC_YEAR 2017
#elif _MSC_VER >= 1900
#define COMPILER_MSVC_YEAR 2015
#elif _MSC_VER >= 1800
#define COMPILER_MSVC_YEAR 2013
#elif _MSC_VER >= 1700
#define COMPILER_MSVC_YEAR 2012
#elif _MSC_VER >= 1600
#define COMPILER_MSVC_YEAR 2010
#elif _MSC_VER >= 1500
#define COMPILER_MSVC_YEAR 2008
#elif _MSC_VER >= 1400
#define COMPILER_MSVC_YEAR 2005
#else
#define COMPILER_MSVC_YEAR 0
#endif
#endif
//
// Arch
//
#if defined(_WIN32)
#if defined(_M_AMD64)
#define ARCH_X64 1
#elif defined(_M_IX86)
#define ARCH_X86 1
#elif defined(_M_ARM64)
#define ARCH_ARM64 1
#elif defined(_M_ARM)
#define ARCH_ARM32 1
#endif
#else
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
#define ARCH_X64 1
#elif defined(i386) || defined(__i386) || defined(__i386__)
#define ARCH_X86 1
#elif defined(__aarch64__)
#define ARCH_ARM64 1
#elif defined(__arm__)
#define ARCH_ARM32 1
#endif
#endif
#if !defined(ARCH_X64)
#define ARCH_X64 0
#endif
#if !defined(ARCH_X86)
#define ARCH_X86 0
#endif
#if !defined(ARCH_ARM64)
#define ARCH_ARM64 0
#endif
#if !defined(ARCH_ARM32)
#define ARCH_ARM32 0
#endif
#if defined(ARCH_X64) || defined(ARCH_ARM64)
#define ARCH_64BIT 1
#elif defined(ARCH_X86) || defined(ARCH_ARM32)
#define ARCH_32BIT 1
#endif
#if !defined(ARCH_64BIT)
#define ARCH_64BIT 0
#endif
#if !defined(ARCH_32BIT)
#define ARCH_32BIT 0
#endif
//
// Byte Order
//
static const int __arch_endian_check_num = 1;
#define ARCH_LITTLE_ENDIAN (*(char *)&__arch_endian_check_num == 1)
#define ARCH_BIG_ENDIAN (!ARCH_LITTLE_ENDIAN)
//
// Extensions
//
#if COMPILER_MSVC
#define __has_builtin(x) false
#define __has_feature(x) false
#endif
#if COMPILER_MSVC
#define __FormatString __format_string
#else
#define __FormatString
#endif
#if COMPILER_CLANG
// #define __PrintFunction(x,y) __attribute__((__format__ (printf, x, y)))
#define __PrintFunction(x,y)
#else
#define __PrintFunction(x,y)
#endif
#if __has_feature(address_sanitizer)
#ifndef __SANITIZE_ADDRESS__
#define __SANITIZE_ADDRESS__
#endif
#endif
#ifdef __SANITIZE_ADDRESS__
#if OS_MACOS
#include <sanitizer/asan_interface.h>
#endif
#ifndef AsanPoisonMemoryRegion
void __asan_poison_memory_region(void const volatile *addr, unsigned long size);
#define AsanPoisonMemoryRegion(addr, size) __asan_poison_memory_region((addr), (size))
#endif
#ifndef AsanUnpoisonMemoryRegion
void __asan_unpoison_memory_region(void const volatile *addr, unsigned long size);
#define AsanUnpoisonMemoryRegion(addr, size) __asan_unpoison_memory_region((addr), (size))
#endif
#else
#define AsanPoisonMemoryRegion(addr, size) ((void)(addr), (void)(size))
#define AsanUnpoisonMemoryRegion(addr, size) ((void)(addr), (void)(size))
#endif
#endif // BASE_CTX_CRACK_H
#ifndef BASE_TYPES_H
#define BASE_TYPES_H
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
//
// Keywords
//
#define function static
#define local_persist static
#ifndef export_function
#define export_function static
#endif
#if LANG_CPP
#if OS_WINDOWS
#define import extern "C" __declspec(dllimport)
#define export extern "C" __declspec(dllexport)
#else
#define import extern "C"
#define export extern "C"
#endif
#else
#if OS_WINDOWS
#define import __declspec(dllimport)
#define export __declspec(dllexport)
#else
#define import
#define export
#endif
#endif
#if COMPILER_MSVC
#define thread_local __declspec(thread)
#elif COMPILER_CLANG
#define thread_local __thread
#elif COMPILER_GCC
#define thread_local __thread
#endif
#if COMPILER_MSVC && _MSC_VER < 1900 // COMPILER_MSVC_YEAR < 2015
#define __function__ "unknown"
#else
#define __function__ __func__
#endif
#define fallthrough
#if OS_WINDOWS
#pragma section(".roglob", read)
#define read_only __declspec(allocate(".roglob"))
#else
#define read_only
#endif
#ifndef force_inline
#if defined(__GNUC__) && (__GNUC__ >= 4)
#define force_inline __attribute__((always_inline)) inline
#elif defined(__llvm__)
#define force_inline __attribute__((always_inline)) inline
#elif defined(_MSC_VER)
#define force_inline __forceinline
#else
#define force_inline inline
#endif
#endif
#ifndef DEBUG
#define DEBUG 0
#endif
//
// Helper Macros
//
#define MemoryCopy(d,s,size) memcpy(d,s,size)
#define MemoryMove(d,s,size) memmove(d,s,size)
#define MemorySet(ptr,x,size) memset(ptr,x,size)
#define MemoryCompare(a, b, s) memcmp(a, b, s)
#define MemoryEquals(a, b, s) (memcmp(a, b, s) == 0)
#define MemoryCopyStruct(d,s) do { assert((d)!=NULL && (s)!=NULL); Assert(sizeof(*(d))==sizeof(*(s))); MemoryCopy((d),(s),sizeof(*(d))); } while(0)
#define MemoryCopyArray(d,s) do{ assert((d)!=NULL && (s)!=NULL); Assert(sizeof(d)==sizeof(s)); MemoryCopy((d),(s),sizeof(s)); }while(0)
#define MemoryCopyString(d,s) memcpy(d,(s).data,(s).count)
#define MemoryZero(p,s) do { assert((p)!=NULL); MemorySet((p), 0, (s)); } while(0)
#define MemoryZeroStruct(p) MemoryZero((p), sizeof(*(p)))
#define MemoryZeroArray(a) MemoryZero((a), sizeof(a))
#define QuickSort(data, count, item_size, cmp) qsort(data, count, item_size, cmp)
#define BinarySearch(key, base, count, item_size, cmp) bsearch(key, base, count, item_size, cmp)
#define ArrayCount(a) (sizeof(a) / sizeof((a)[0]))
#define IntFromPtr(p) (u64)(((u8*)p) - 0)
#define PtrFromInt(i) (void*)(((u8*)0) + i)
#define Member(S,m) ((S*)0)->m
#define OffsetOf(S,m) IntFromPtr(&Member(S,m))
#define CastFromMember(S,m,p) (S*)(((u8*)p) - OffsetOf(S,m))
#define MemberFromOffset(ptr, off, type) *(type *)((u8 *)(ptr) + off)
#define Unused(name) ((void)(name))
#define Bytes(n) (n)
#define Kilobytes(n) ((n) << 10)
#define Megabytes(n) ((n) << 20)
#define Gigabytes(n) (((u64)n) << 30)
#define Terabytes(n) (((u64)n) << 40)
#define Thousand(x) ((x)*1000)
#define Million(x) ((x)*1000000)
#define Billion(x) ((x)*1000000000LL)
#define Miliseconds(x) ((x)/1000.0)
#define Seconds(x) ((x)*1.0)
#define Minutes(x) ((x)*60.0)
#define Hours(x) ((x)*60.0*60.0)
#define Days(x) ((x)*24.0*60.0*60.0)
#define HasFlag(fl,fi) ((fl)&(fi))
#define SetFlag(fl,fi) ((fl)|=(fi))
#define RemFlag(fl,fi) ((fl)&=~(fi))
#define ToggleFlag(fl,fi) ((fl)^=(fi))
#define SetFlagState(fl,fi,set) do { if (set) SetFlag(fl,fi); else RemFlag(fl,fi); } while (0)
#define Swap(T,a,b) do { T t__ = (a); (a) = (b); (b) = t__; } while(0)
#define FourCC(a, b, c, d) \
(((u32)(a) << 0) | ((u32)(b) << 8) | ((u32)(c) << 16) | ((u32)(d) << 24))
#define FourCCStr(s) FourCC(s[0], s[1], s[2], s[3])
#define InRange(x,lo,hi) (((x) >= (lo)) && ((x) <= (hi)))
#define GetBit(x,bit) (((x) >> (bit)) & 0x1)
#define count_of ArrayCount
#define offset_of OffsetOf
#if LANG_CPP
#define cast(T) (T)
#else
#define cast(T) (T)
// #define cast(T) static_cast<T>
#endif
#define array_of(x) {(x),count_of(x)}
#ifndef typeof
#ifdef __clang__
#define typeof(x) __typeof__(x)
#endif
#if LANG_CPP
#ifdef _MSC_VER
#define typeof(x) decltype(x)
#endif
#endif
#endif
#define DefineStruct(Type) typedef struct Type Type
#if LANG_C
#define Struct(Type) typedef struct Type Type; struct Type
#define StructLit(Type) (Type)
// #define Enum(Type) typedef enum Type Type; enum Type
#else
#define Struct(Type) struct Type
#define StructLit(Type) Type
// #define Enum(Type) enum Type
#endif
//
// Linked-List Macros
//
#define CheckNull(p) ((p)==0)
#define SetNull(p) ((p)=0)
#define QueuePush_NZ(f,l,n,next,zchk,zset) (zchk(f)?\
(((f)=(l)=(n)), zset((n)->next)):\
((l)->next=(n),(l)=(n),zset((n)->next)))
#define QueuePush_N(f,l,n,next) QueuePush_NZ(f,l,n,next,CheckNull,SetNull)
#define QueuePushFront_NZ(f,l,n,next,zchk,zset) (zchk(f) ? (((f) = (l) = (n)), zset((n)->next)) :\
((n)->next = (f)), ((f) = (n)))
#define QueuePop_NZ(f,l,next,zset) ((f)==(l)?\
(zset(f),zset(l)):\
(f)=(f)->next)
#define StackPush_N(f,n,next) ((n)->next=(f),(f)=(n))
#define StackPop_NZ(f,next,zchk) (zchk(f)?0:((f)=(f)->next))
#define DLLInsert_NPZ(f,l,p,n,next,prev,zchk,zset) \
(zchk(f) ? (((f) = (l) = (n)), zset((n)->next), zset((n)->prev)) :\
zchk(p) ? (zset((n)->prev), (n)->next = (f), (zchk(f) ? (0) : ((f)->prev = (n))), (f) = (n)) :\
((zchk((p)->next) ? (0) : (((p)->next->prev) = (n))), (n)->next = (p)->next, (n)->prev = (p), (p)->next = (n),\
((p) == (l) ? (l) = (n) : (0))))
#define DLLPushBack_NPZ(f,l,n,next,prev,zchk,zset) DLLInsert_NPZ(f,l,l,n,next,prev,zchk,zset)
#define DLLRemove_NPZ(f,l,n,next,prev,zchk,zset) (((f)==(n))?\
((f)=(f)->next, (zchk(f) ? (zset(l)) : zset((f)->prev))):\
((l)==(n))?\
((l)=(l)->prev, (zchk(l) ? (zset(f)) : zset((l)->next))):\
((zchk((n)->next) ? (0) : ((n)->next->prev=(n)->prev)),\
(zchk((n)->prev) ? (0) : ((n)->prev->next=(n)->next))))
#define QueuePush(f,l,n) QueuePush_NZ(f,l,n,next,CheckNull,SetNull)
#define QueuePushFront(f,l,n) QueuePushFront_NZ(f,l,n,next,CheckNull,SetNull)
#define QueuePop(f,l) QueuePop_NZ(f,l,next,SetNull)
#define StackPush(f,n) StackPush_N(f,n,next)
#define StackPop(f) StackPop_NZ(f,next,CheckNull)
#define DLLPushBack(f,l,n) DLLPushBack_NPZ(f,l,n,next,prev,CheckNull,SetNull)
#define DLLPushFront(f,l,n) DLLPushBack_NPZ(l,f,n,prev,next,CheckNull,SetNull)
#define DLLInsert(f,l,p,n) DLLInsert_NPZ(f,l,p,n,next,prev,CheckNull,SetNull)
#define DLLRemove(f,l,n) DLLRemove_NPZ(f,l,n,next,prev,CheckNull,SetNull)
#define DLLPopBack(f,l) (((f) && (l)) ? DLLRemove(f,l,l) : 0)
#define DLLPopFront(f,l) (((f) && (l)) ? DLLRemove(f,l,f) : 0)
#define ListEach(Type,it,list) Type *it = (list).first; it != NULL; it = it->next
//
// Clamps
//
#define Min(a, b) (((a) < (b)) ? (a) : (b))
#define Max(a, b) (((a) > (b)) ? (a) : (b))
#define Clamp(value, lower, upper) (Max(Min(value, upper), lower))
#define ClampTop(a, b) Min(a, b)
#define ClampBot(a, b) Max(a, b)
#define Sign(x) (((x) > 0) - ((x) < 0))
#define Abs(x) (((x) < 0) ? (0u - x) : (0u + x))
#define AlignUpPow2(x, p) (((x) + (p) - 1) & ~((p) - 1))
#define AlignDownPow2(x, p) ((x) & ~((p) - 1))
#define IsPow2(x) (((x) & ((x) - 1)) == 0)
//
// Defer
//
#ifndef CONCAT
#define CONCAT_HELPER(x, y) x##y
#define CONCAT(x, y) CONCAT_HELPER(x, y)
#endif
#define Defer(start, end) for (int CONCAT(__i, __LINE__) = ((start), 0); !CONCAT(__i, __LINE__); CONCAT(__i, __LINE__) += 1, (end))
#if LANG_CPP
// Defer macro/thing.
template<typename T>
struct ExitScope {
T lambda;
ExitScope(T lambda) : lambda(lambda) {}
~ExitScope() { lambda(); }
ExitScope(const ExitScope&);
private:
ExitScope& operator =(const ExitScope&);
};
class ExitScopeHelp {
public:
template<typename T>
ExitScope<T> operator+(T t) { return t; }
};
#define defer const auto& CONCAT(defer__, __LINE__) = ExitScopeHelp() + [&]()
#endif // LANG_CPP
//
// Types
//
#ifndef NULL
#define NULL 0
#endif
#if LANG_C
#ifdef __STDC_VERSION__ // >= C99
#define bool _Bool
#else
#define bool int
#endif
#define true 1
#define false 0
#endif
typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef i8 b8;
typedef i16 b16;
typedef i32 b32;
typedef i64 b64;
typedef float f32;
typedef double f64;
typedef void VoidFunction(void);
#define U8_MAX ((u8)0xff)
#define I8_MAX ((i8)0x7f)
#define I8_MIN ((i8)0x80)
#define U16_MAX ((u16)0xffff)
#define I16_MAX ((i16)0x7fff)
#define I16_MIN ((i16)0x8000)
#define U32_MAX ((u32)0xffffffff)
#define I32_MAX ((i32)0x7fffffff)
#define I32_MIN ((i32)0x80000000)
#define U64_MAX ((u64)0xffffffffffffffff)
#define I64_MAX ((i64)0x7fffffffffffffff)
#define I64_MIN ((i64)0x8000000000000000)
#define F32_MIN ((f32)1.17549435e-38f)
#define F32_MAX ((f32)3.40282347e+38f)
#define F64_MIN ((f64)2.2250738585072014e-308)
#define F64_MAX ((f64)1.7976931348623157e+308)
//
// Language Helpers
//
typedef struct MemberOffset MemberOffset;
struct MemberOffset
{
u64 v;
};
#define MemberOff(S, member) (MemberOffset){OffsetOf(S, m)}
#define MemberFromOff(ptr, type, memoff) (*(type *)((u8 *)ptr + memoff.v))
//
// Assert
//
#if COMPILER_MSVC
#define Breakpoint() __debugbreak()
#elif COMPILER_CLANG || COMPILER_GCC
#define Breakpoint() __builtin_trap()
#endif
int na__assert(bool cond, const char *expr, const char *file, long int line, char *msg) {
if (!cond) {
printf("%s(%ld): %s: ", file, line, "Assertion Failed");
if (expr) {
printf( "`%s` ", expr);
}
if (msg) {
printf("- %s", msg);
}
printf("\n");
fflush(stdout);
#if DEBUG
Breakpoint();
#endif
*(volatile int *)0 = 0;
}
return 0;
}
#undef assert
#define assert(expr) na__assert(expr, #expr, __FILE__, __LINE__, NULL)
#define Assert(expr) na__assert(expr, #expr, __FILE__, __LINE__, NULL)
#if LANG_C
#ifdef _Static_assert
#define StaticAssert(c,label) _Static_assert(c, label)
#else
#define StaticAssert(c,label) u8 static_assert__failed_on_line_##__LINE__[(c)?(1):(-1)]
#endif
#else
#define StaticAssert(c,label) static_assert(c, #label)
#endif
#define NotImplemented assert(!"Not Implemented")
#define InvalidPath assert(!"Invalid Path")
//
// Variadic Macros
//
#define NameConcat2(A, B) A##B
#define NameConcat(A, B) NameConcat2(A, B)
#define ArgCount(...) _COUNTOF_CAT( _COUNTOF_A, ( 0, ##__VA_ARGS__, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 ) )
#define _COUNTOF_CAT( a, b ) a b
#define _COUNTOF_A( a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, n, ... ) n
//
// NOTE(nick): you have to define the functions in reverse order, as in:
// #define Dump(...) ArgSelectHelper4((__VA_ARGS__, Dump4, Dump3, Dump2, Dump1))(__VA_ARGS__)
//
#define ArgSelectHelper4_(_1, _2, _3, _4, NAME, ...) NAME
#define ArgSelectHelper4(args) ArgSelectHelper4_ args
#define ArgSelectHelper2_(_1, _2, NAME, ...) NAME
#define ArgSelectHelper2(args) ArgSelectHelper2_ args
// TODO(nick): implement these
#define Likely(x) (x)
#define Unlikely(x) (x)
#define TestFunction(Name) bool Name()
#define TestAssert(Cond) do { if (!(Cond)) return false; } while(0)
#define TestAssertM(Cond, Message) do { if (!(Cond)) { print(Message); print("\n"); return false; } } while(0)
#define TestAssertF(Cond, Message, ...) do { if (!(Cond)) { print(Message, __VA_ARGS__); print("\n"); return false; } } while(0)
#define TestEntry(Proc) StructLit(TestFunction_Entry){Proc, #Proc}
typedef struct TestFunction_Entry TestFunction_Entry;
struct TestFunction_Entry
{
bool (*fn)();
const char *name;
};
#endif // BASE_TYPES_H
#ifndef BASE_MEMORY_H
#define BASE_MEMORY_H
typedef u64 Arena_Flags;
enum
{
ArenaFlag_NoChain = (1 << 0),
};
typedef struct Arena Arena;
struct Arena
{
Arena_Flags flags;
Arena *current;
Arena *prev;
u8 *data;
u64 pos;
u64 size;
u64 commit_pos;
u64 page_size;
};
typedef struct M_Temp M_Temp;
struct M_Temp
{
Arena *arena;
u64 pos;
};
//
// API
//
function Arena *arena_make_from_buffer(u8 *data, u64 size);
function Arena *arena_alloc(u64 size);
function void arena_free(Arena *arena);
function void *arena_push_bytes(Arena *arena, u64 size);
function void arena_pop_to(Arena *arena, u64 pos);
function void arena_pop(Arena *arena, u64 size);
function void arena_set_pos(Arena *arena, u64 pos);
function void arena_reset(Arena *arena);
function void arena_push_aligner(Arena *arena, u64 pow2_align);
function void *arena_push(Arena *arena, u64 size);
function void *arena_push_zero(Arena *arena, u64 size);
function bool arena_write(Arena *arena, u8 *data, u64 size);
function M_Temp arena_begin_temp(Arena *arena);
function void arena_end_temp(M_Temp temp);
#define PushArray(a,T,c) (T*)arena_push_no_zero((a), sizeof(T)*(c))
#define PushArrayZero(a,T,c) (T*)arena_push((a), sizeof(T)*(c))
#define PushStruct(a, T) (T*)arena_push_no_zero((a), sizeof(T))
#define PushStructZero(a, T) (T*)arena_push((a), sizeof(T))
#define PopArray(a, T, c0, c1) if (c1 < c0) arena_pop((a), (c0 - c1) * sizeof(T))
function M_Temp arena_get_scratch(Arena **conflicts, u64 conflict_count);
#define GetScratch(conflicts, conflict_count) arena_get_scratch(conflicts, conflict_count)
#define ReleaseScratch(temp) arena_end_temp(temp)
function Arena *temp_arena();
// Helpers
typedef i32 Compare_Proc(void *a, void *b);
function void memory_swap(void *i, void *j, u64 size);
function void memory_sort(void *base_, u64 count, u64 size, Compare_Proc cmp);
function i64 memory_binary_search(void *base, u64 count, u64 size, void *key, Compare_Proc cmp);
//
// Allocator
//
#if !defined(ALLOCATOR_DEFAULT_ALIGNMENT)
#define ALLOCATOR_DEFAULT_ALIGNMENT 16
#endif
enum Allocator_Mode
{
AllocatorMode_Alloc = 1,
AllocatorMode_Resize = 2,
AllocatorMode_Free = 3,
AllocatorMode_FreeAll = 4,
};
typedef enum Allocator_Mode Allocator_Mode;
#define ALLOCATOR_PROC(name) void *name(Allocator_Mode mode, u64 requested_size, u64 old_size, void *old_memory_pointer, void *allocator_data, u32 alignment)
typedef ALLOCATOR_PROC(Allocator_Proc);
typedef struct Allocator Allocator;
struct Allocator
{
Allocator_Proc *proc;
void *data;
};
//
// API
//
function void *allocator_alloc(Allocator allocator, u64 size);
function void allocator_free(Allocator allocator, void *data, u64 old_size);
function void *allocator_realloc(Allocator allocator, void *data, u64 new_size, u64 old_size);
function void *allocator_alloc_aligned(Allocator allocator, u64 size, u32 alignment);
function void *allocator_realloc_aligned(Allocator allocator, void *data, u64 new_size, u64 old_size, u32 alignment);
function Allocator os_allocator();
function Allocator arena_allocator(Arena *arena);
#endif // BASE_MEMORY_H
#ifndef BASE_STRINGS_H
#define BASE_STRINGS_H
#define S_UTF8_INVALID (u32)(0xFFFD)
#define S_UTF8_BOM (u32)(0xFEFF)
#define S_UTF8_MAX (u32)(0x0010FFFF)
#define Str(x) #x
#if LANG_CPP
#define S(x) (String{(u8 *)(x), sizeof(x)-1})
#else
#define S(x) ((String){(u8 *)(x), sizeof(x)-1})
#endif
typedef struct String String;
struct String
{
u8 *data;
i64 count;
#if LANG_CPP
u8 &operator[](i64 i) {
assert(i >= 0 && i < count);
return data[i];
}
#endif
};
typedef struct String16 String16;
struct String16
{
u16 *data;
i64 count;
#if LANG_CPP
u16 &operator[](i64 i) {
assert(i >= 0 && i < count);
return data[i];
}
#endif
};
typedef struct String32 String32;
struct String32
{
u32 *data;
i64 count;
#if LANG_CPP
u32 &operator[](i64 i) {
assert(i >= 0 && i < count);
return data[i];
}
#endif
};
typedef struct String_Decode String_Decode;
struct String_Decode
{
u32 codepoint;
u8 advance; // 1 - 4
};
typedef struct String_Node String_Node;
struct String_Node
{
String_Node *next;
String string;
};
typedef struct String_List String_List;
struct String_List
{
String_Node *first;
String_Node *last;
u64 node_count;
u64 total_size;
};
typedef struct String_Join_Params String_Join_Params;
struct String_Join_Params
{
String pre;
String sep;
String post;
};
typedef struct String_Array String_Array;
struct String_Array
{
i64 count;
i64 capacity;
String *data;
};
typedef u32 Match_Flags;
enum
{
MatchFlag_IgnoreCase = 1 << 0,
MatchFlag_RightSideSloppy = 1 << 1,
MatchFlag_SlashInsensitive = 1 << 2,
MatchFlag_FindLast = 1 << 3,
};
typedef struct String_Time_Options String_Time_Options;
struct String_Time_Options
{
b32 show_miliseconds;
b32 show_hours;
b32 show_sign;
};
typedef struct CLI_Argument CLI_Argument;
struct CLI_Argument
{
String name;
String value;
b32 consumes_next_index;
};
// Char Functions
function b32 char_is_alpha(u8 c);
function b32 char_is_lower(u8 c);
function b32 char_is_upper(u8 c);
function b32 char_is_digit(u8 c);
function b32 char_is_space(u8 c);
function b32 char_is_whitespace(u8 c);
function b32 char_is_symbol(u8 c);
function b32 char_is_separator(u8 c);
function b32 char_is_slash(u8 c);
function u8 char_to_upper(u8 c);
function u8 char_to_lower(u8 c);
function u8 char_to_forward_slash(u8 c);
// C-Style Strings
function i64 cstr_length(const char *cstr);
// Constructors
function String string_make(u8 *data, i64 count);
function String string_range(u8 *at, u8 *end);
function String string_from_cstr(const char *cstr);
function char *string_to_cstr(Arena *arena, String str);
function String16 string16_make(u16 *data, i64 count);
function String16 string16_from_cstr(u16 *data);
function String32 string32_make(u32 *data, i64 count);
#define CStr(x) string_to_cstr(temp_arena(), (x))
#define Str8(data, count) string_make((u8 *)data, count)
#define Str16(data, count) string16_make((u16 *)data, count)
#define Str32(data, count) string32_make((u32 *)data, count)
// Print Helper
#define LIT(str) (int)str.count, (char *)str.data
// Substrings
function String string_slice(String str, i64 start_index, i64 end_index);
function String string_substr(String str, i64 offset, i64 count);
function String string_skip(String str, i64 offset);
function String string_chop(String str, i64 offset);
function String string_prefix(String str, i64 count);
function String string_suffix(String str, i64 count);
// Matching
function b32 string_equals(String a, String b);
function b32 string_match(String a, String b, Match_Flags flags);
function i64 string_find(String str, String search, i64 start_index, Match_Flags flags);
function b32 string_includes(String str, String search);
function b32 string_starts_with(String str, String prefix);
function b32 string_ends_with(String str, String postfix);
function i64 string_index(String str, String search, i64 start_index);
function i64 string_char_index(String str, u8 search, i64 start_index);
function i64 string_last_index(String str, String search);
function b32 string_contains(String str, String search);
function b32 string_in_bounds(String str, i64 at);
// Allocation
function String string_push(Arena *arena, String str);
function String string_alloc(String str);
function void string_free(String *str);
function String string_printv(Arena *arena, const char *fmt, va_list args);
function String string_print(Arena *arena, const char *fmt, ...);
#define PushStringCopy(arena, str) string_push(arena, str)
#define PushStringFV(arena, fmt, args) string_printv(arena, fmt, args)
#define PushStringF(arena, fmt, ...) string_print(arena, fmt, __VA_ARGS__)
#define sprint(fmt, ...) string_print(temp_arena(), fmt, __VA_ARGS__)
function String string_replace(Arena *arena, String str, String find, String replacer, u64 replace_limit);
// Unicode Conversions
function String_Decode string_decode_utf8(u8 *str, u64 capacity);
function u32 string_encode_utf8(u8 *dest, u32 codepoint);
function u32 string_seek_right_utf8(u8 *data, u64 capacity);
function u32 string_seek_left_utf8(u8 *data, u64 capacity);
function i64 string_seek_utf8(String text, i64 cursor, i64 amount);
// @Cleanup: move these to the UI layer
function i64 string_move_word(String text, i64 cursor, i32 direction);
function void string_select_word(String text, i64 cursor, i64 *left, i64 *right);
function String_Decode string_decode_utf16(u16 *str, u64 capacity);
function u32 string_encode_utf16(u16 *dest, u32 codepoint);
function String32 string32_from_string(Arena *arena, String str);
function String string_from_string32(Arena *arena, String32 str);
function String16 string16_from_string(Arena *arena, String str);
function String string_from_string16(Arena *arena, String16 str);
// Conversions
function u64 string_to_u64(String string, u32 radix);