Remove special shared scope for runtime stuff

This commit is contained in:
gingerBill
2018-06-03 15:06:40 +01:00
parent 9bd7f023b2
commit d556fa2cd8
20 changed files with 544 additions and 591 deletions
+22 -37
View File
@@ -1,7 +1,24 @@
package mem
import "core:raw"
import "core:os"
DEFAULT_ALIGNMENT :: 2*align_of(rawptr);
Allocator_Mode :: enum byte {
Alloc,
Free,
Free_All,
Resize,
}
Allocator_Proc :: #type proc(allocator_data: rawptr, mode: Allocator_Mode,
size, alignment: int,
old_memory: rawptr, old_size: int, flags: u64 = 0, location := #caller_location) -> rawptr;
Allocator :: struct {
procedure: Allocator_Proc,
data: rawptr,
}
alloc :: inline proc(size: int, alignment: int = DEFAULT_ALIGNMENT, loc := #caller_location) -> rawptr {
@@ -30,16 +47,16 @@ resize :: inline proc(ptr: rawptr, old_size, new_size: int, alignment: int = DEF
free_string :: proc(str: string, loc := #caller_location) {
free_ptr(raw.data(str), loc);
free_ptr(raw_data(str), loc);
}
free_cstring :: proc(str: cstring, loc := #caller_location) {
free_ptr((^byte)(str), loc);
}
free_dynamic_array :: proc(array: $T/[dynamic]$E, loc := #caller_location) {
free_ptr(raw.data(array), loc);
free_ptr(raw_data(array), loc);
}
free_slice :: proc(array: $T/[]$E, loc := #caller_location) {
free_ptr(raw.data(array), loc);
free_ptr(raw_data(array), loc);
}
free_map :: proc(m: $T/map[$K]$V, loc := #caller_location) {
raw := transmute(raw.Map)m;
@@ -78,38 +95,6 @@ default_resize_align :: proc(old_memory: rawptr, old_size, new_size, alignment:
}
default_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
size, alignment: int,
old_memory: rawptr, old_size: int, flags: u64 = 0, loc := #caller_location) -> rawptr {
using Allocator_Mode;
switch mode {
case Alloc:
return os.heap_alloc(size);
case Free:
os.heap_free(old_memory);
return nil;
case Free_All:
// NOTE(bill): Does nothing
case Resize:
ptr := os.heap_resize(old_memory, size);
assert(ptr != nil);
return ptr;
}
return nil;
}
default_allocator :: proc() -> Allocator {
return Allocator{
procedure = default_allocator_proc,
data = nil,
};
}
nil_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
size, alignment: int,
old_memory: rawptr, old_size: int, flags: u64 = 0, loc := #caller_location) -> rawptr {
+13 -13
View File
@@ -1,6 +1,6 @@
package mem
import "core:raw"
import "core:runtime"
foreign _ {
@(link_name = "llvm.bswap.i16") swap16 :: proc(b: u16) -> u16 ---;
@@ -80,20 +80,20 @@ ptr_sub :: proc "contextless" (a, b: $P/^$T) -> int {
slice_ptr :: proc "contextless" (ptr: ^$T, len: int) -> []T {
assert(len >= 0);
slice := raw.Slice{data = ptr, len = len};
slice := Raw_Slice{data = ptr, len = len};
return transmute([]T)slice;
}
slice_to_bytes :: proc "contextless" (slice: $E/[]$T) -> []byte {
s := transmute(raw.Slice)slice;
s := transmute(Raw_Slice)slice;
s.len *= size_of(T);
return transmute([]byte)s;
}
buffer_from_slice :: proc(backing: $T/[]$E) -> [dynamic]E {
s := transmute(raw.Slice)backing;
d := raw.Dynamic_Array{
s := transmute(Raw_Slice)backing;
d := Raw_Dynamic_Array{
data = s.data,
len = 0,
cap = s.len,
@@ -104,13 +104,13 @@ buffer_from_slice :: proc(backing: $T/[]$E) -> [dynamic]E {
ptr_to_bytes :: proc "contextless" (ptr: ^$T, len := 1) -> []byte {
assert(len >= 0);
return transmute([]byte)raw.Slice{ptr, len*size_of(T)};
return transmute([]byte)Raw_Slice{ptr, len*size_of(T)};
}
any_to_bytes :: proc "contextless" (val: any) -> []byte {
ti := type_info_of(val.typeid);
size := ti != nil ? ti.size : 0;
return transmute([]byte)raw.Slice{val.data, size};
return transmute([]byte)Raw_Slice{val.data, size};
}
@@ -158,8 +158,8 @@ allocation_header :: proc(data: rawptr) -> ^AllocationHeader {
Fixed_Byte_Buffer :: distinct [dynamic]byte;
make_fixed_byte_buffer :: proc(backing: []byte) -> Fixed_Byte_Buffer {
s := transmute(raw.Slice)backing;
d: raw.Dynamic_Array;
s := transmute(Raw_Slice)backing;
d: Raw_Dynamic_Array;
d.data = s.data;
d.len = 0;
d.cap = s.len;
@@ -199,7 +199,7 @@ init_arena_from_context :: proc(using a: ^Arena, size: int) {
}
context_from_allocator :: proc(a: Allocator) -> Context {
context_from_allocator :: proc(a: Allocator) -> runtime.Context {
c := context;
c.allocator = a;
return c;
@@ -241,7 +241,7 @@ arena_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
#no_bounds_check end := &arena.memory[len(arena.memory)];
ptr := align_forward(end, uintptr(alignment));
(^raw.Slice)(&arena.memory).len += total_size;
(^Raw_Slice)(&arena.memory).len += total_size;
return zero(ptr, size);
case Free:
@@ -249,7 +249,7 @@ arena_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
// Use ArenaTempMemory if you want to free a block
case Free_All:
(^raw.Slice)(&arena.memory).len = 0;
(^Raw_Slice)(&arena.memory).len = 0;
case Resize:
return default_resize_align(old_memory, old_size, size, alignment);
@@ -269,7 +269,7 @@ begin_arena_temp_memory :: proc(a: ^Arena) -> ArenaTempMemory {
end_arena_temp_memory :: proc(using tmp: ArenaTempMemory) {
assert(len(arena.memory) >= original_count);
assert(arena.temp_count > 0);
(^raw.Dynamic_Array)(&arena.memory).len = original_count;
(^Raw_Dynamic_Array)(&arena.memory).len = original_count;
arena.temp_count -= 1;
}
+51
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@@ -0,0 +1,51 @@
package mem
Raw_Any :: struct {
data: rawptr,
typeid: typeid,
}
Raw_String :: struct {
data: ^byte,
len: int,
}
Raw_Cstring :: struct {
data: ^byte,
}
Raw_Slice :: struct {
data: rawptr,
len: int,
}
Raw_Dynamic_Array :: struct {
data: rawptr,
len: int,
cap: int,
allocator: Allocator,
}
Raw_Map :: struct {
hashes: [dynamic]int,
entries: Raw_Dynamic_Array,
}
make_any :: inline proc(data: rawptr, id: typeid) -> any {
return transmute(any)Raw_Any{data, id};
}
raw_string_data :: inline proc(s: $T/string) -> ^byte {
return (^Raw_String)(&s).data;
}
raw_slice_data :: inline proc(a: $T/[]$E) -> ^E {
return cast(^E)(^Raw_Slice)(&a).data;
}
raw_dynamic_array_data :: inline proc(a: $T/[dynamic]$E) -> ^E {
return cast(^E)(^Raw_Dynamic_Array)(&a).data;
}
raw_data :: proc[raw_string_data, raw_slice_data, raw_dynamic_array_data];