Add usz and isz.

This commit is contained in:
Christoffer Lerno
2022-10-09 22:21:19 +02:00
committed by Christoffer Lerno
parent 348495b4c8
commit ab78663f3c
28 changed files with 319 additions and 303 deletions

View File

@@ -2,13 +2,13 @@ module std::core::mem::allocator;
const MAX_MEMORY_ALIGNMENT = 0x1000_0000;
const DEFAULT_MEM_ALIGNMENT = (void*.alignof) * 2;
const DEFAULT_SIZE_PREFIX = usize.sizeof;
const DEFAULT_SIZE_PREFIX_ALIGNMENT = usize.alignof;
const DEFAULT_SIZE_PREFIX = usz.sizeof;
const DEFAULT_SIZE_PREFIX_ALIGNMENT = usz.alignof;
const Allocator* NULL_ALLOCATOR = &_NULL_ALLOCATOR;
const Allocator* LIBC_ALLOCATOR = &_SYSTEM_ALLOCATOR;
define AllocatorFunction = fn void*!(Allocator* allocator, usize new_size, usize alignment, usize offset, void* old_pointer, AllocationKind kind);
define AllocatorFunction = fn void*!(Allocator* allocator, usz new_size, usz alignment, usz offset, void* old_pointer, AllocationKind kind);
struct Allocator
{
@@ -38,7 +38,7 @@ fault AllocationFailure
fn void*! Allocator.alloc(Allocator* allocator, usize size) @inline
fn void*! Allocator.alloc(Allocator* allocator, usz size) @inline
{
return allocator.function(allocator, size, 0, 0, null, ALLOC);
}
@@ -46,12 +46,12 @@ fn void*! Allocator.alloc(Allocator* allocator, usize size) @inline
/**
* @require alignment && math::is_power_of_2(alignment)
*/
fn void*! Allocator.alloc_aligned(Allocator* allocator, usize size, usize alignment, usize offset = 0) @inline
fn void*! Allocator.alloc_aligned(Allocator* allocator, usz size, usz alignment, usz offset = 0) @inline
{
return allocator.function(allocator, size, alignment, offset, null, ALIGNED_ALLOC);
}
fn void*! Allocator.realloc(Allocator* allocator, void* old_pointer, usize size) @inline
fn void*! Allocator.realloc(Allocator* allocator, void* old_pointer, usz size) @inline
{
return allocator.function(allocator, size, 0, 0, old_pointer, REALLOC);
}
@@ -59,18 +59,18 @@ fn void*! Allocator.realloc(Allocator* allocator, void* old_pointer, usize size)
/**
* @require alignment && math::is_power_of_2(alignment)
*/
fn void*! Allocator.realloc_aligned(Allocator* allocator, void* old_pointer, usize size, usize alignment, usize offset = 0) @inline
fn void*! Allocator.realloc_aligned(Allocator* allocator, void* old_pointer, usz size, usz alignment, usz offset = 0) @inline
{
return allocator.function(allocator, size, alignment, offset, old_pointer, ALIGNED_REALLOC);
}
fn usize! Allocator.mark(Allocator* allocator) @inline
fn usz! Allocator.mark(Allocator* allocator) @inline
{
return (usize)(uptr)allocator.function(allocator, 0, 0, 0, null, MARK);
return (usz)(uptr)allocator.function(allocator, 0, 0, 0, null, MARK);
}
fn void*! Allocator.calloc(Allocator* allocator, usize size) @inline
fn void*! Allocator.calloc(Allocator* allocator, usz size) @inline
{
return allocator.function(allocator, size, 0, 0, null, CALLOC);
}
@@ -78,7 +78,7 @@ fn void*! Allocator.calloc(Allocator* allocator, usize size) @inline
/**
* @require alignment && math::is_power_of_2(alignment)
*/
fn void*! Allocator.calloc_aligned(Allocator* allocator, usize size, usize alignment, usize offset = 0) @inline
fn void*! Allocator.calloc_aligned(Allocator* allocator, usz size, usz alignment, usz offset = 0) @inline
{
return allocator.function(allocator, size, alignment, offset, null, ALIGNED_CALLOC);
}
@@ -93,12 +93,12 @@ fn void! Allocator.free_aligned(Allocator* allocator, void* old_pointer) @inline
allocator.function(allocator, 0, 0, 0, old_pointer, ALIGNED_FREE)?;
}
fn void Allocator.reset(Allocator* allocator, usize mark = 0)
fn void Allocator.reset(Allocator* allocator, usz mark = 0)
{
allocator.function(allocator, mark, 0, 0, null, RESET)!!;
}
private fn usize alignment_for_allocation(usize alignment) @inline
private fn usz alignment_for_allocation(usz alignment) @inline
{
if (alignment < DEFAULT_MEM_ALIGNMENT)
{
@@ -113,14 +113,14 @@ struct DynamicArenaAllocator
Allocator* backing_allocator;
DynamicArenaPage* page;
DynamicArenaPage* unused_page;
usize page_size;
usz page_size;
}
/**
* @require page_size >= 128
* @require this != null
**/
fn void DynamicArenaAllocator.init(DynamicArenaAllocator* this, usize page_size, Allocator* backing_allocator = mem::current_allocator())
fn void DynamicArenaAllocator.init(DynamicArenaAllocator* this, usz page_size, Allocator* backing_allocator = mem::current_allocator())
{
this.function = &dynamic_arena_allocator_function;
this.page = null;
@@ -157,7 +157,7 @@ struct ArenaAllocator
{
inline Allocator allocator;
char[] data;
usize used;
usz used;
}
/**