ObjectPropertyConditionSet generateConditionsForInstanceOf(
VM& vm, JSCell* owner, ExecState* exec, Structure* headStructure, JSObject* prototype,
bool shouldHit)
{
bool didHit = false;
if (ObjectPropertyConditionSetInternal::verbose)
dataLog("Searching for prototype ", JSValue(prototype), " starting with structure ", RawPointer(headStructure), " with shouldHit = ", shouldHit, "\n");
ObjectPropertyConditionSet result = generateConditions(
vm, exec->lexicalGlobalObject(), headStructure, shouldHit ? prototype : nullptr,
[&] (Vector<ObjectPropertyCondition>& conditions, JSObject* object) -> bool {
if (ObjectPropertyConditionSetInternal::verbose)
dataLog("Encountered object: ", RawPointer(object), "\n");
if (object == prototype) {
RELEASE_ASSERT(shouldHit);
didHit = true;
return true;
}
Structure* structure = object->structure(vm);
if (structure->hasPolyProto())
return false;
conditions.append(
ObjectPropertyCondition::hasPrototype(
vm, owner, object, structure->storedPrototypeObject()));
return true;
});
if (result.isValid()) {
if (ObjectPropertyConditionSetInternal::verbose)
dataLog("didHit = ", didHit, ", shouldHit = ", shouldHit, "\n");
RELEASE_ASSERT(didHit == shouldHit);
}
return result;
}
ObjectPropertyConditionSet generateConditionsForPropertyMissConcurrently(
VM& vm, JSGlobalObject* globalObject, Structure* headStructure, UniquedStringImpl* uid)
{
return generateConditions(
vm, globalObject, headStructure, nullptr,
[&] (Vector<ObjectPropertyCondition>& conditions, JSObject* object) -> bool {
ObjectPropertyCondition result = generateCondition(vm, nullptr, object, uid, PropertyCondition::Absence);
if (!result)
return false;
conditions.append(result);
return true;
}, Concurrent);
}
ObjectPropertyConditionSet generateConditionsForPropertySetterMiss(
VM& vm, JSCell* owner, ExecState* exec, Structure* headStructure, UniquedStringImpl* uid)
{
return generateConditions(
vm, exec->lexicalGlobalObject(), headStructure, nullptr,
[&] (Vector<ObjectPropertyCondition>& conditions, JSObject* object) -> bool {
ObjectPropertyCondition result =
generateCondition(vm, owner, object, uid, PropertyCondition::AbsenceOfSetter);
if (!result)
return false;
conditions.append(result);
return true;
});
}
ObjectPropertyConditionSet generateConditionsForPrototypeEquivalenceConcurrently(
VM& vm, JSGlobalObject* globalObject, Structure* headStructure, JSObject* prototype, UniquedStringImpl* uid)
{
return generateConditions(vm, globalObject, headStructure, prototype,
[&] (Vector<ObjectPropertyCondition>& conditions, JSObject* object) -> bool {
PropertyCondition::Kind kind =
object == prototype ? PropertyCondition::Equivalence : PropertyCondition::Absence;
ObjectPropertyCondition result = generateCondition(vm, nullptr, object, uid, kind);
if (!result)
return false;
conditions.append(result);
return true;
}, Concurrent);
}
ObjectPropertyConditionSet generateConditionsForPrototypePropertyHitCustom(
VM& vm, JSCell* owner, ExecState* exec, Structure* headStructure, JSObject* prototype,
UniquedStringImpl* uid)
{
return generateConditions(
vm, exec->lexicalGlobalObject(), headStructure, prototype,
[&] (Vector<ObjectPropertyCondition>& conditions, JSObject* object) -> bool {
if (object == prototype)
return true;
ObjectPropertyCondition result =
generateCondition(vm, owner, object, uid, PropertyCondition::Absence);
if (!result)
return false;
conditions.append(result);
return true;
});
}
