private static void freeObject(ref Obj object_)
{
#if DEBUG_LOG_GC
System.Console.WriteLine("{0} free type {1}", object_._mem_id.ToString(), object_.type.ToString());
#endif
switch (object_.type)
{
case ObjType.OBJ_BOUND_METHOD:
object_._free();
object_ = null;
break;
case ObjType.OBJ_CLASS:
{
ObjClass klass = (ObjClass)object_;
Table.freeTable(ref klass.methods);
//FREE<ObjClass>(ref object_);
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_CLOSURE:
{
ObjClosure closure = (ObjClosure)object_;
FREE_ARRAY <ObjUpvalue>(typeof(ObjUpvalue), ref closure.upvalues, closure.upvalueCount);
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_FUNCTION:
{
ObjFunction function = (ObjFunction)object_;
Chunk.freeChunk(ref function.chunk); // the function's byte code
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_INSTANCE:
{
ObjInstance instance = (ObjInstance)object_;
Table.freeTable(ref instance.fields);
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_NATIVE:
{
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_STRING:
{
ObjString string_ = (ObjString)object_;
FREE_ARRAY <char>(typeof(char), ref string_.chars, string_.length + 1);
object_._free();
object_ = null;
break;
}
case ObjType.OBJ_UPVALUE:
cHeap.values.remove(((ObjUpvalue)object_).location);
object_._free();
object_ = null;
break;
}
}
private static void blackenObject(Obj object_)
{
#if DEBUG_LOG_GC
System.Console.Write("{0} blacken ", object_._mem_id.ToString());
Value.printValue(Value.OBJ_VAL(object_));
System.Console.WriteLine();
#endif
switch (object_.type)
{
case ObjType.OBJ_BOUND_METHOD:
{
ObjBoundMethod bound = (ObjBoundMethod)object_;
markValue(ref bound.receiver);
markObject((Obj)bound.method);
break;
}
case ObjType.OBJ_CLASS:
{
ObjClass klass = (ObjClass)object_;
markObject((Obj)klass.name);
Table.markTable(ref klass.methods);
break;
}
case ObjType.OBJ_CLOSURE:
{
ObjClosure closure = (ObjClosure)object_;
markObject((Obj)closure.function);
for (int i = 0; i < closure.upvalueCount; i++)
{
markObject((Obj)closure.upvalues[i]);
}
break;
}
case ObjType.OBJ_FUNCTION:
{
ObjFunction function = (ObjFunction)object_;
markObject((Obj)function.name);
markArray(ref function.chunk.constants);
break;
}
case ObjType.OBJ_INSTANCE:
{
ObjInstance instance = (ObjInstance)object_;
markObject((Obj)(instance.klass));
Table.markTable(ref instance.fields);
break;
}
case ObjType.OBJ_UPVALUE:
markValue(ref ((ObjUpvalue)object_).closed);
break;
case ObjType.OBJ_NATIVE:
case ObjType.OBJ_STRING:
break;
}
}