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Clean up and fix __dynamic_map_erase

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This commit is contained in:
gingerBill
2020-11-25 22:36:34 +00:00
parent 8591655334
commit aa859c2187
2 changed files with 15 additions and 6 deletions
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15
core/runtime/dynamic_map_internal.odin
View File

@@ -186,9 +186,8 @@ __dynamic_map_rehash :: proc(using header: Map_Header, new_count: int, loc := #c
}
e := __dynamic_map_get_entry(new_header, j);
mem_copy(e, entry_header, entry_size);
__dynamic_map_copy_entry(header, e, entry_header);
e.next = fr.entry_index;
e.hash.key_ptr = rawptr(uintptr(entry_header) + key_offset);
if __dynamic_map_full(new_header) {
__dynamic_map_grow(new_header, loc);
@@ -264,9 +263,8 @@ __dynamic_map_hash_equal :: proc(h: Map_Header, a, b: Map_Hash) -> bool {
if a.key_ptr == b.key_ptr {
return true;
}
if a.key_ptr == nil || b.key_ptr == nil {
return false;
}
assert(a.key_ptr != nil && b.key_ptr != nil);
if h.is_key_string {
return (^string)(a.key_ptr)^ == (^string)(b.key_ptr)^;
}
@@ -317,6 +315,11 @@ __dynamic_map_get_entry :: proc(using h: Map_Header, index: int) -> ^Map_Entry_H
return (^Map_Entry_Header)(uintptr(m.entries.data) + uintptr(index*entry_size));
}
__dynamic_map_copy_entry :: proc(h: Map_Header, new, old: ^Map_Entry_Header) {
mem_copy(new, old, h.entry_size);
new.hash.key_ptr = rawptr(uintptr(new) + h.key_offset);
}
__dynamic_map_erase :: proc(using h: Map_Header, fr: Map_Find_Result) #no_bounds_check {
if fr.entry_prev < 0 {
m.hashes[fr.hash_index] = __dynamic_map_get_entry(h, fr.entry_index).next;
@@ -330,7 +333,7 @@ __dynamic_map_erase :: proc(using h: Map_Header, fr: Map_Find_Result) #no_bounds
} else {
old := __dynamic_map_get_entry(h, fr.entry_index);
end := __dynamic_map_get_entry(h, m.entries.len-1);
mem_copy(old, end, entry_size);
__dynamic_map_copy_entry(h, old, end);
if last := __dynamic_map_find(h, old.hash); last.entry_prev >= 0 {
last_entry := __dynamic_map_get_entry(h, last.entry_prev);

6
core/runtime/internal.odin
View File

@@ -184,6 +184,12 @@ memory_equal :: proc "contextless" (a, b: rawptr, n: int) -> bool {
return memory_compare(a, b, n) == 0;
}
memory_compare :: proc "contextless" (a, b: rawptr, n: int) -> int #no_bounds_check {
switch {
case a == b: return 0;
case a == nil: return -1;
case b == nil: return +1;
}
x := uintptr(a);
y := uintptr(b);
n := uintptr(n);