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dup free

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This commit is contained in:
ekibun
2021-01-27 11:50:25 +08:00
parent 3fdeca56a2
commit 01ea420bd7
7 changed files with 258 additions and 255 deletions
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27
lib/src/ffi.dart
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@@ -11,10 +11,21 @@ import 'dart:isolate';
import 'package:ffi/ffi.dart';
abstract class JSRef {
bool leakable = false;
void release();
int _refCount = 0;
void dup() {
_refCount++;
}
void free() {
_refCount--;
if (_refCount < 0) destroy();
}
void destroy();
}
abstract class JSRefLeakable {}
class JSEvalFlag {
static const GLOBAL = 0 << 0;
static const MODULE = 1 << 0;
@@ -170,22 +181,20 @@ void jsFreeRuntime(
while (true) {
final ref = runtimeOpaques[rt]
?._ref
?.firstWhere((ref) => ref.leakable, orElse: () => null);
?.firstWhere((ref) => ref is JSRefLeakable, orElse: () => null);
if (ref == null) break;
ref.release();
ref.destroy();
runtimeOpaques[rt]?._ref?.remove(ref);
}
while (0 < runtimeOpaques[rt]?._ref?.length ?? 0) {
final ref = runtimeOpaques[rt]?._ref?.first;
assert(!ref.leakable);
referenceleak.add(
" ${identityHashCode(ref)}\t${ref.runtimeType.toString()}\t${ref.toString().replaceAll('\n', '\\n')}");
ref.release();
runtimeOpaques[rt]?._ref?.remove(ref);
" ${identityHashCode(ref)}\t${ref._refCount + 1}\t${ref.runtimeType.toString()}\t${ref.toString().replaceAll('\n', '\\n')}");
ref.destroy();
}
_jsFreeRuntime(rt);
if (referenceleak.length > 0) {
throw ('reference leak:\n ADDR\t TYPE \t PROP\n' +
throw ('reference leak:\n ADDR\tREF\tTYPE\tPROP\n' +
referenceleak.join('\n'));
}
}