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Allocator: Rename data->user_context, File: Use allocators

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This commit is contained in:
doyle 2020-03-14 10:32:25 +11:00
parent 2f7ce338a8
commit f95836c5d5
3 changed files with 87 additions and 49 deletions
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25
Code/Dqn.h
View File

@ -611,7 +611,7 @@ typedef DQN_ALLOCATOR_FREE_PROC(Dqn_Allocator_FreeProc);
struct Dqn_Allocator
{
Dqn_Allocator_Type type;
void *data;
void *user_context;
isize bytes_allocated;
isize total_bytes_allocated;
@ -712,7 +712,7 @@ DQN_HEADER_COPY_PROTOTYPE(Dqn_Allocator, inline Dqn_Allocator_Arena(Dqn_MemArena
{
Dqn_Allocator result = {};
result.type = Dqn_Allocator_Type::Arena;
result.data = arena;
result.user_context = arena;
return result;
}
@ -863,6 +863,10 @@ DQN_HEADER_COPY_PROTOTYPE(template <Dqn_usize N> void, Dqn_StringBuilder_BuildIn
Dqn_StringBuilder__BuildOutput(builder, dest, dest_size);
}
void *Dqn_Allocator_Allocate(Dqn_Allocator *allocator, Dqn_usize size);
void * Dqn_MemArena_Alloc(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
Dqn_b32 Dqn_MemArena_Reserve(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
DQN_HEADER_COPY_PROTOTYPE(template <Dqn_usize N> char *, Dqn_StringBuilder_Build(Dqn_StringBuilder<N> *builder, Dqn_Allocator *allocator, Dqn_isize *len = nullptr))
{
Dqn_isize len_w_null_terminator = Dqn_StringBuilder_BuildLen(builder);
@ -1347,6 +1351,12 @@ DQN_HEADER_COPY_PROTOTYPE(template <Dqn_isize MAX_> Dqn_b32, Dqn_FixedString_App
return result;
}
DQN_HEADER_COPY_PROTOTYPE(template <Dqn_isize MAX_> Dqn_String, Dqn_FixedString_ToString(Dqn_FixedString<MAX_> const *str))
{
Dqn_String result = { str->str, str->len };
return result;
}
// @ -------------------------------------------------------------------------------------------------
// @
// @ NOTE: Dqn_U64Str
@ -1447,8 +1457,6 @@ DQN_HEADER_COPY_PROTOTYPE(Dqn_b32, Dqn_Log(Dqn_LogType type, char const *file, D
return true;
}
void * Dqn_MemArena_Alloc(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
Dqn_b32 Dqn_MemArena_Reserve(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
DQN_HEADER_COPY_PROTOTYPE(void *, Dqn_Allocator_Allocate(Dqn_Allocator *allocator, Dqn_usize size))
{
void *result = nullptr;
@ -1470,7 +1478,7 @@ DQN_HEADER_COPY_PROTOTYPE(void *, Dqn_Allocator_Allocate(Dqn_Allocator *allocato
case Dqn_Allocator_Type::Arena:
{
auto *arena = static_cast<Dqn_MemArena *>(allocator->data);
auto *arena = static_cast<Dqn_MemArena *>(allocator->user_context);
result = DQN_MEM_ARENA_ALLOC(arena, size);
}
break;
@ -1516,7 +1524,7 @@ DQN_HEADER_COPY_PROTOTYPE(void *, Dqn_Allocator_Realloc(Dqn_Allocator *allocator
case Dqn_Allocator_Type::Arena:
{
auto *arena = static_cast<Dqn_MemArena *>(allocator->data);
auto *arena = static_cast<Dqn_MemArena *>(allocator->user_context);
if (DQN_MEM_ARENA_RESERVE(arena, DQN_CAST(size_t)new_size))
{
result = DQN_MEM_ARENA_ALLOC(arena, DQN_CAST(size_t)new_size);
@ -2463,9 +2471,10 @@ DQN_HEADER_COPY_PROTOTYPE(Dqn_String, Dqn_String_Copy(Dqn_Allocator *allocator,
// @ NOTE: File
// @
// @ -------------------------------------------------------------------------------------------------
DQN_HEADER_COPY_PROTOTYPE(char *, Dqn_File_ReadWithArena(Dqn_MemArena *arena, char const *file, Dqn_isize *file_size))
DQN_HEADER_COPY_PROTOTYPE(char *, Dqn_File_ReadAll(Dqn_Allocator *allocator, char const *file, Dqn_isize *file_size))
{
FILE *file_handle = fopen(file, "rb");
if (!file_handle) return nullptr;
fseek(file_handle, 0, SEEK_END);
Dqn_isize file_size_ = ftell(file_handle);
if (DQN_CAST(long)file_size_ == -1L)
@ -2476,7 +2485,7 @@ DQN_HEADER_COPY_PROTOTYPE(char *, Dqn_File_ReadWithArena(Dqn_MemArena *arena, ch
rewind(file_handle);
auto *result = (char *)DQN_MEM_ARENA_ALLOC(arena, DQN_CAST(Dqn_usize)(file_size_ + 1));
auto *result = DQN_CAST(char *)Dqn_Allocator_Allocate(allocator, DQN_CAST(Dqn_usize)(file_size_ + 1));
DQN_ASSERT(result);
result[file_size_] = 0;

4
Code/DqnHeader.h
View File

@ -164,12 +164,13 @@ int main(int argc, char *argv[])
}
Dqn_MemArena arena = {};
Dqn_Allocator allocator = Dqn_Allocator_Arena(&arena);
DQN_MEM_ARENA_RESERVE(&arena, DQN_MEGABYTES(16));
for (isize arg_index = 1; arg_index < argc; ++arg_index)
{
char const *file = argv[arg_index];
isize buf_size = 0;
char *buf = Dqn_File_ReadWithArena(&arena, file, &buf_size);
char *buf = Dqn_File_ReadAll(&allocator, file, &buf_size);
if (!buf)
{
fprintf(stderr, "Failed to read file: %s\n", file);
@ -229,7 +230,6 @@ int main(int argc, char *argv[])
isize func_name_len = 0;
char const *func_name = ParseFunctionNameAndParameters(ptr, &func_name_len);
Dqn_Allocator allocator = Dqn_Allocator_Arena(&arena);
entry->function_decl.return_val = Dqn_Asprintf(&allocator, "%.*s", func_type_len, func_type);
entry->function_decl.name_and_args = Dqn_Asprintf(&allocator, "%.*s", func_name_len, func_name);
ptr = func_name + func_name_len + 1; // Ptr is at macro closing paren, skip the paren

101
Code/DqnHeader_Generated.h
View File

@ -208,7 +208,7 @@ enum struct Dqn_Allocator_Type
XHeap, // Malloc realloc, free, crash on failure
Arena,
Custom,
NullAllocator,
Null,
};
#define DQN_ALLOCATOR_ALLOCATE_PROC(name) void *name(Dqn_usize size)
@ -220,7 +220,13 @@ typedef DQN_ALLOCATOR_FREE_PROC(Dqn_Allocator_FreeProc);
struct Dqn_Allocator
{
Dqn_Allocator_Type type;
void *data;
void *user_context;
isize bytes_allocated;
isize total_bytes_allocated;
isize allocations;
isize total_allocations;
// NOTE: Only required if type == Dqn_Allocator_Type::Custom
Dqn_Allocator_AllocateProc *allocate;
@ -274,8 +280,8 @@ struct Dqn_MemArenaScopedRegion
#define DQN_DEBUG_PARAMS
#endif
#define DQN_MEM_ARENA_INIT_WITH_ALLOCATOR(arena, allocator, size) Dqn_MemArena_InitWithAllocator(arena, allocator, size DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_INIT_MEMORY(arena, src, size) Dqn_MemArena_InitMemory(arena, src, size DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_INIT_WITH_ALLOCATOR(allocator, size) Dqn_MemArena_InitWithAllocator(allocator, size DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_INIT_MEMORY(src, size) Dqn_MemArena_InitMemory(src, size DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_ALLOC(arena, size) Dqn_MemArena_Alloc(arena, size DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_ALLOC_ARRAY(arena, T, num) (T *)Dqn_MemArena_Alloc(arena, sizeof(T) * num DQN_DEBUG_PARAMS)
#define DQN_MEM_ARENA_ALLOC_STRUCT(arena, T) (T *)Dqn_MemArena_Alloc(arena, sizeof(T) DQN_DEBUG_PARAMS)
@ -287,10 +293,32 @@ struct Dqn_MemArenaScopedRegion
// NOTE: Dqn_Allocator
//
// -------------------------------------------------------------------------------------------------
Dqn_Allocator inline Dqn_Allocator_NullAllocator();
Dqn_Allocator inline Dqn_Allocator_HeapAllocator();
Dqn_Allocator inline Dqn_Allocator_XHeapAllocator();
Dqn_Allocator inline Dqn_Allocator_ArenaAllocator(Dqn_MemArena *arena);
Dqn_Allocator inline Dqn_Allocator_Null();
Dqn_Allocator inline Dqn_Allocator_Heap();
Dqn_Allocator inline Dqn_Allocator_XHeap();
Dqn_Allocator inline Dqn_Allocator_Arena(Dqn_MemArena *arena);
// -------------------------------------------------------------------------------------------------
//
// NOTE: String
//
// -------------------------------------------------------------------------------------------------
struct Dqn_String
{
union {
// NOTE: To appease GCC, Clang can't assign C string literal to char *
// Only UB if you try modify a string originally declared const
char const *str_;
char *str;
};
Dqn_isize len;
char const *begin() const { return str; }
char const *end () const { return str + len; }
char *begin() { return str; }
char *end () { return str + len; }
};
#define DQN_STRING_LITERAL(string) {string, Dqn_CharCountI(string)}
// -------------------------------------------------------------------------------------------------
//
// NOTE: String Builder
@ -300,7 +328,7 @@ struct Dqn_StringBuilderBuffer
{
char *mem;
Dqn_usize size;
usize used;
Dqn_usize used;
Dqn_StringBuilderBuffer *next;
};
@ -319,11 +347,12 @@ struct Dqn_StringBuilder
// The necessary length to build the string, it returns the length including the null-terminator
template <Dqn_usize N> Dqn_isize Dqn_StringBuilder_BuildLen(Dqn_StringBuilder<N> const *builder);
template <Dqn_usize N> void Dqn_StringBuilder_BuildInBuffer(Dqn_StringBuilder<N> const *builder, char *dest, Dqn_usize dest_size);
template <Dqn_usize N> char * Dqn_StringBuilder_BuildFromMalloc(Dqn_StringBuilder<N> *builder, Dqn_isize *len = nullptr);
template <Dqn_usize N> char * Dqn_StringBuilder_BuildFromArena(Dqn_StringBuilder<N> *builder, Dqn_MemArena *arena, Dqn_isize *len = nullptr);
template <Dqn_usize N> char * Dqn_StringBuilder_Build(Dqn_StringBuilder<N> *builder, Dqn_Allocator *allocator, Dqn_isize *len = nullptr);
template <Dqn_usize N> Dqn_String Dqn_StringBuilder_BuildString(Dqn_StringBuilder<N> *builder, Dqn_Allocator *allocator);
template <Dqn_usize N> void Dqn_StringBuilder_VFmtAppend(Dqn_StringBuilder<N> *builder, char const *fmt, va_list va);
template <Dqn_usize N> void Dqn_StringBuilder_FmtAppend(Dqn_StringBuilder<N> *builder, char const *fmt, ...);
template <Dqn_usize N> void Dqn_StringBuilder_Append(Dqn_StringBuilder<N> *builder, char const *str, Dqn_isize len = -1);
template <Dqn_usize N> void Dqn_StringBuilder_AppendString(Dqn_StringBuilder<N> *builder, Dqn_String const string);
template <Dqn_usize N> void Dqn_StringBuilder_AppendChar(Dqn_StringBuilder<N> *builder, char ch);
template <Dqn_usize N> void Dqn_StringBuilder_Free(Dqn_StringBuilder<N> *builder);
// -------------------------------------------------------------------------------------------------
@ -338,15 +367,6 @@ template <typename T> inline Dqn_Slice<T> Dqn_Slice_Copy(Dqn_MemArena *arena, Dq
template <typename T> inline bool Dqn_Slice_Equals(Dqn_Slice<T> const a, Dqn_Slice<T> const b);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_Asprintf (Allocate Sprintf)
//
// -------------------------------------------------------------------------------------------------
template <typename T> Dqn_Slice<char> Dqn_AsprintfSlice(T *arena, char const *fmt, va_list va);
template <typename T> Dqn_Slice<char> Dqn_AsprintfSlice(T *arena, char const *fmt, ...);
template <typename T> char * Dqn_Asprintf(T *arena, int *len, char const *fmt, ...);
template <typename T> char * Dqn_Asprintf(T *arena, char const *fmt, ...);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_FixedArray
//
// -------------------------------------------------------------------------------------------------
@ -376,22 +396,11 @@ T * Dqn_FixedArray_Make(DQN_FIXED_ARRAY_TE
void Dqn_FixedArray_Clear(DQN_FIXED_ARRAY_TEMPLATE_DECL *a);
void Dqn_FixedArray_EraseStable(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
void Dqn_FixedArray_EraseUnstable(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
void Dqn_FixedArray_Pop(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num);
void Dqn_FixedArray_Pop(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num = 1);
T * Dqn_FixedArray_Peek(DQN_FIXED_ARRAY_TEMPLATE_DECL *a);
Dqn_isize Dqn_FixedArray_GetIndex(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const *entry);
T * Dqn_FixedArray_Find(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, EqualityProc IsEqual);
T * Dqn_FixedArray_Find(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T *find);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_FixedStack
//
// -------------------------------------------------------------------------------------------------
template <typename T, int MAX_> using Dqn_FixedStack = DQN_FIXED_ARRAY_TEMPLATE_DECL;
template <typename T, int MAX_> T Dqn_FixedStack_Pop (Dqn_FixedStack<T, MAX_> *array) { T result = *Dqn_FixedArray_Peek(array); Dqn_FixedArray_Pop(array, 1); return result; }
template <typename T, int MAX_> T *Dqn_FixedStack_Peek (Dqn_FixedStack<T, MAX_> *array) { return Dqn_FixedArray_Peek(array); }
template <typename T, int MAX_> T *Dqn_FixedStack_Push (Dqn_FixedStack<T, MAX_> *array, T item) { return Dqn_FixedArray_Add(array, item); }
template <typename T, int MAX_> void Dqn_FixedStack_Clear(Dqn_FixedStack<T, MAX_> *array) { Dqn_FixedArray_Clear(array); }
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_Array
@ -469,6 +478,7 @@ template <Dqn_isize MAX_> void Dqn_FixedString_Clear(Dqn_FixedString<
template <Dqn_isize MAX_> Dqn_b32 Dqn_FixedString_AppendVFmt(Dqn_FixedString<MAX_> *str, char const *fmt, va_list va);
template <Dqn_isize MAX_> Dqn_b32 Dqn_FixedString_AppendFmt(Dqn_FixedString<MAX_> *str, char const *fmt, ...);
template <Dqn_isize MAX_> Dqn_b32 Dqn_FixedString_Append(Dqn_FixedString<MAX_> *str, char const *src, Dqn_isize len = -1);
template <Dqn_isize MAX_> Dqn_String Dqn_FixedString_ToString(Dqn_FixedString<MAX_> const *str);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_U64Str
@ -483,6 +493,7 @@ struct Dqn_U64Str
int len;
};
char * Dqn_U64Str_ToStr(Dqn_u64 val, Dqn_U64Str *result, Dqn_b32 comma_sep);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Logging
@ -502,12 +513,19 @@ void Dqn_Allocator_Free(Dqn_Allocator *allo
void * Dqn_MemArena_Alloc(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
void Dqn_MemArena_Free(Dqn_MemArena *arena DQN_DEBUG_ARGS);
Dqn_b32 Dqn_MemArena_Reserve(Dqn_MemArena *arena, Dqn_usize size DQN_DEBUG_ARGS);
void Dqn_MemArena_InitWithAllocator(Dqn_MemArena *arena, Dqn_Allocator allocator, Dqn_usize size DQN_DEBUG_ARGS);
void Dqn_MemArena_InitMemory(Dqn_MemArena *arena, void *memory, Dqn_usize size DQN_DEBUG_ARGS);
Dqn_MemArena Dqn_MemArena_InitWithAllocator(Dqn_Allocator allocator, Dqn_usize size DQN_DEBUG_ARGS);
Dqn_MemArena Dqn_MemArena_InitMemory(void *memory, Dqn_usize size DQN_DEBUG_ARGS);
void Dqn_MemArena_ResetUsage(Dqn_MemArena *arena, Dqn_ZeroMem zero_mem);
Dqn_MemArenaScopedRegion Dqn_MemArena_MakeScopedRegion(Dqn_MemArena *arena);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_Asprintf (Allocate Sprintf)
//
// -------------------------------------------------------------------------------------------------
Dqn_String Dqn_Asprintf(Dqn_Allocator *allocator, char const *fmt, va_list va);
Dqn_String Dqn_Asprintf(Dqn_Allocator *allocator, char const *fmt, ...);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Vectors
//
// -------------------------------------------------------------------------------------------------
@ -530,6 +548,7 @@ Dqn_b32 Dqn_Rect_ContainsPoint(Dqn_Rect rect,
Dqn_b32 Dqn_Rect_ContainsRect(Dqn_Rect a, Dqn_Rect b);
Dqn_V2 Dqn_Rect_Size(Dqn_Rect rect);
Dqn_Rect Dqn_Rect_Move(Dqn_Rect src, Dqn_V2 move_amount);
Dqn_Rect Dqn_Rect_Intersection(Dqn_Rect a, Dqn_Rect b);
Dqn_Rect Dqn_Rect_Union(Dqn_Rect a, Dqn_Rect b);
Dqn_Rect Dqn_Rect_FromRectI32(Dqn_RectI32 a);
Dqn_V2I Dqn_RectI32_Size(Dqn_RectI32 rect);
@ -575,6 +594,7 @@ Dqn_i8 Dqn_Safe_TruncateISizeToI8(Dqn_isize v
Dqn_u32 Dqn_Safe_TruncateUSizeToU32(Dqn_u64 val);
int Dqn_Safe_TruncateUSizeToI32(Dqn_usize val);
int Dqn_Safe_TruncateUSizeToInt(Dqn_usize val);
Dqn_isize Dqn_Safe_TruncateUSizeToISize(Dqn_usize val);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Char Helpers
@ -584,6 +604,7 @@ Dqn_b32 Dqn_Char_IsAlpha(char ch);
Dqn_b32 Dqn_Char_IsDigit(char ch);
Dqn_b32 Dqn_Char_IsAlphaNum(char ch);
Dqn_b32 Dqn_Char_IsWhitespace(char ch);
char Dqn_Char_ToLower(char ch);
// -------------------------------------------------------------------------------------------------
//
// NOTE: String Helpers
@ -610,13 +631,21 @@ Dqn_u64 Dqn_Str_ToU64(char const *buf, int len
Dqn_i64 Dqn_Str_ToI64(char const *buf, int len = -1);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_String
//
// -------------------------------------------------------------------------------------------------
Dqn_b32 Dqn_String_Compare(Dqn_String const lhs, Dqn_String const rhs);
Dqn_b32 Dqn_String_CompareCaseInsensitive(Dqn_String const lhs, Dqn_String const rhs);
Dqn_String Dqn_String_Copy(Dqn_Allocator *allocator, Dqn_String const src);
// -------------------------------------------------------------------------------------------------
//
// NOTE: File
//
// -------------------------------------------------------------------------------------------------
char * Dqn_File_ReadWithArena(Dqn_MemArena *arena, char const *file, Dqn_isize *file_size);
char * Dqn_File_ReadAll(Dqn_Allocator *allocator, char const *file, Dqn_isize *file_size);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Utils
//
// -------------------------------------------------------------------------------------------------
char * Dqn_EpochTimeToDate(i64 timestamp, char *buf, isize buf_len);
char * Dqn_EpochTimeToDate(Dqn_i64 timestamp, char *buf, Dqn_isize buf_len);