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Add mem.Allocator_Query_Info and mem.query_info

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This commit is contained in:
gingerBill
2020-08-16 23:05:33 +01:00
parent 033b46def8
commit e7f54d25d6
5 changed files with 86 additions and 14 deletions
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core/mem/alloc.odin
+20 -6
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@@ -19,6 +19,15 @@ Allocator_Mode_Set :: runtime.Allocator_Mode_Set;
Allocator_Mode_Set :: distinct bit_set[Allocator_Mode];
*/
Allocator_Query_Info :: runtime.Allocator_Query_Info;
/*
Allocator_Query_Info :: struct {
pointer: Maybe(rawptr),
size: Maybe(int),
alignment: Maybe(int),
}
*/
Allocator_Proc :: runtime.Allocator_Proc;
/*
Allocator_Proc :: #type proc(allocator_data: rawptr, mode: Allocator_Mode,
@@ -69,17 +78,22 @@ resize :: inline proc(ptr: rawptr, old_size, new_size: int, alignment: int = DEF
return allocator.procedure(allocator.data, Allocator_Mode.Resize, new_size, alignment, ptr, old_size, 0, loc);
}
query_features :: proc(allocator: Allocator, loc := #caller_location) -> Allocator_Mode_Set {
query_features :: proc(allocator: Allocator, loc := #caller_location) -> (set: Allocator_Mode_Set) {
if allocator.procedure != nil {
set: Allocator_Mode_Set;
res := allocator.procedure(allocator.data, Allocator_Mode.Query_Features, 0, 0, &set, 0, 0, loc);
if res == &set {
return set;
}
allocator.procedure(allocator.data, Allocator_Mode.Query_Features, 0, 0, &set, 0, 0, loc);
return set;
}
return nil;
}
query_info :: proc(pointer: rawptr, allocator: Allocator, loc := #caller_location) -> (props: Allocator_Query_Info) {
props.pointer = pointer;
if allocator.procedure != nil {
allocator.procedure(allocator.data, Allocator_Mode.Query_Info, 0, 0, &props, 0, 0, loc);
}
return;
}
delete_string :: proc(str: string, allocator := context.allocator, loc := #caller_location) {