public virtual void IfCmp(Type type, CompareOperator compareOperator, Label label)
{
if (mv != null)
{
mv.IfCmp(type, compareOperator, label);
}
}
protected void ImplementSetRelation(RelationMember[] relationMembers, FieldInstance[] f_relations)
{
MethodInstance template_m_setRelation = new MethodInstance(null, typeof(RootCacheValue), typeof(void), "SetRelation", typeof(int), typeof(IObjRef[]));
IMethodVisitor mv = VisitMethod(template_m_setRelation);
Label l_finish = mv.NewLabel();
for (int relationIndex = 0, size = f_relations.Length; relationIndex < size; relationIndex++)
{
FieldInstance f_relation = f_relations[relationIndex];
Label l_notEqual = mv.NewLabel();
mv.LoadArg(0);
mv.Push(relationIndex);
mv.IfCmp(typeof(int), CompareOperator.NE, l_notEqual);
mv.PutThisField(f_relation, delegate(IMethodVisitor mg)
{
mg.LoadArg(1);
});
mv.GoTo(l_finish);
mv.Mark(l_notEqual);
}
mv.ThrowException(typeof(ArgumentException), "Given relationIndex not known");
mv.Mark(l_finish);
mv.ReturnValue();
mv.EndMethod();
}
public override void VisitEnd()
{
Type entityType = metaData.EntityType;
{
IMethodVisitor mv = VisitMethod(template_m_getEntityType);
mv.Push(entityType);
mv.ReturnValue();
mv.EndMethod();
}
{
IMethodVisitor mv = VisitMethod(template_m_getIdIndex);
mv.Push(idIndex);
mv.ReturnValue();
mv.EndMethod();
}
FieldInstance f_id = ImplementNativeField(this, metaData.GetIdMemberByIdIndex(idIndex), template_m_getId, template_m_setId);
if (f_id.Type.Type.IsPrimitive)
{
// id is a primitive type. So we use an improved version of the 3-tuple equals without boxing the id
IMethodVisitor mv = VisitMethod(template_m_isEqualTo);
Label l_notEqual = mv.NewLabel();
mv.Push(entityType);
mv.LoadArg(0);
mv.IfCmp(typeof(Type), CompareOperator.NE, l_notEqual);
mv.Push(idIndex);
mv.LoadArg(1);
mv.IfCmp(typeof(bool), CompareOperator.NE, l_notEqual);
mv.GetThisField(f_id);
mv.LoadArg(2);
mv.Unbox(f_id.Type.Type);
mv.IfCmp(f_id.Type.Type, CompareOperator.NE, l_notEqual);
mv.Push(true);
mv.ReturnValue();
mv.Mark(l_notEqual);
mv.Push(false);
mv.ReturnValue();
mv.EndMethod();
}
base.VisitEnd();
}
protected void ImplementPropertyChangeOnProperty(PropertyInstance propertyInfo,
PropertyInstance p_propertyChangeTemplate, MethodInstance m_firePropertyChange, FieldInstance f_propertyChangeSupport)
{
// add property change detection and notification
if (propertyInfo.Getter == null || propertyInfo.Setter == null)
{
return;
}
if (InitializeEmbeddedMemberVisitor.IsEmbeddedMember(metaData, propertyInfo.Name))
{
return;
}
PropertyInstance p_getterMethodHandle = ImplementAssignedReadonlyProperty(propertyInfo.Name + "$MethodHandle",
new MethodHandleValueResolver(PropertyInfoProvider, propertyInfo.Name));
Type propertyType = propertyInfo.PropertyType.Type;
MethodInstance m_hasPropertyChanged = GetApplicableHasPropertyChangedOverload(propertyType);
// check value type of last parameter
bool isBoxingNeededForHasPropertyChanged = IsBoxingNeededForHasPropertyChangedOverload(m_hasPropertyChanged, propertyType);
IMethodVisitor mg = VisitMethod(propertyInfo.Setter);
Label l_finish = mg.NewLabel();
Label l_noOldValue = mg.NewLabel();
Label l_noChangeCheck = mg.NewLabel();
LocalVariableInfo loc_oldValue;
if (isBoxingNeededForHasPropertyChanged)
{
loc_oldValue = mg.NewLocal(typeof(Object));
}
else
{
loc_oldValue = mg.NewLocal(propertyType);
}
LocalVariableInfo loc_valueChanged = mg.NewLocal <bool>();
MethodInstance m_getSuper = EnhancerUtil.GetSuperGetter(propertyInfo);
bool relationProperty = m_getSuper.Name.EndsWith(ValueHolderIEC.GetNoInitSuffix());
// initialize flag with false
mg.Push(false);
mg.StoreLocal(loc_valueChanged);
// initialize oldValue with null
mg.PushNullOrZero(loc_oldValue.LocalType);
mg.StoreLocal(loc_oldValue);
if (relationProperty)
{
// check if a setter call to an UNINITIALIZED relation occured with value null
// if it the case there would be no PCE because oldValue & newValue are both null
// but we need a PCE in this special case
Label l_noSpecialHandling = mg.NewLabel();
FieldInstance f_state = State.GetAlreadyImplementedField(ValueHolderIEC.GetInitializedFieldName(propertyInfo.Name));
mg.GetThisField(f_state);
mg.PushEnum(ValueHolderState.INIT);
mg.IfCmp(typeof(ValueHolderState), CompareOperator.EQ, l_noSpecialHandling);
mg.Push(true);
mg.StoreLocal(loc_valueChanged);
mg.Mark(l_noSpecialHandling);
}
// check if value should be checked to decide for a PCE
mg.LoadLocal(loc_valueChanged);
mg.IfZCmp(CompareOperator.NE, l_noOldValue);
// get old field value calling super property getter
mg.LoadThis();
mg.InvokeOnExactOwner(m_getSuper);
if (isBoxingNeededForHasPropertyChanged)
{
mg.Box(propertyType);
}
mg.StoreLocal(loc_oldValue);
mg.Mark(l_noOldValue);
// set new field value calling super property setter
mg.LoadThis();
mg.LoadArg(0);
mg.InvokeOnExactOwner(EnhancerUtil.GetSuperSetter(propertyInfo));
mg.PopIfReturnValue(EnhancerUtil.GetSuperSetter(propertyInfo));
// check if value should be checked to decide for a PCE
mg.LoadLocal(loc_valueChanged);
mg.IfZCmp(CompareOperator.NE, l_noChangeCheck);
LocalVariableInfo loc_newValue = null;
if (isBoxingNeededForHasPropertyChanged)
{
loc_newValue = mg.NewLocal(typeof(Object)); // loc_1 Object newValue
// Object loc_1 = (Object)value;
mg.LoadArg(0);
mg.Box(propertyType);
mg.StoreLocal(loc_newValue);
}
mg.CallThisGetter(p_propertyChangeTemplate);
// call HasPropertyChanged (static)
mg.LoadThis(); // "this" as Object obj
mg.Push(propertyInfo.Name); // String propertyName
mg.LoadLocal(loc_oldValue);
if (loc_newValue != null)
{
mg.LoadLocal(loc_newValue);
}
else
{
mg.LoadArg(0);
}
mg.InvokeVirtual(m_hasPropertyChanged);
//// if (!result)
//// { return; }
mg.IfZCmp(CompareOperator.EQ, l_finish);
mg.Mark(l_noChangeCheck);
// call firePropertyChange on this
mg.LoadThis();
// propertyChangeSupport
mg.GetThisField(f_propertyChangeSupport);
// property
mg.CallThisGetter(p_getterMethodHandle);
// oldValue
mg.LoadLocal(loc_oldValue);
if (!isBoxingNeededForHasPropertyChanged && propertyType.IsValueType)
{
// old value has not already been boxed but it is now necessary
mg.ValueOf(propertyType);
}
// newValue
if (loc_newValue != null)
{
mg.LoadLocal(loc_newValue);
}
else
{
mg.LoadArg(0);
if (propertyType.IsValueType)
{
mg.ValueOf(propertyType);
}
}
// firePropertyChange(propertyChangeSupport, property, oldValue, newValue)
mg.InvokeVirtual(m_firePropertyChange);
// return
mg.Mark(l_finish);
mg.ReturnVoidOrThis();
mg.EndMethod();
}
protected void ImplementRelationGetter(String propertyName, MethodInstance m_getMethod_template, MethodInstance m_setMethod, int relationIndex,
PropertyInstance p_valueHolderContainerTemplate, PropertyInstance p_targetCache, PropertyInstance p_relationMembers, FieldInstance f_initialized,
FieldInstance f_objRefs)
{
// public String getPropertyName()
// {
// if (!PropertyName$initialized)
// {
// setPropertyName(RelationsGetterVisitor.valueHolderContainer_getValue(this, $relationMembers, get__IndexOfPropertyName(), $targetCache, $beanContext,
// propertyName$objRefs));
// }
// return super.getPropertyName();
// }
Script script_getVHC;
if (EmbeddedEnhancementHint.HasMemberPath(State.Context))
{
PropertyInstance p_rootEntity = EmbeddedTypeVisitor.GetRootEntityProperty(this);
script_getVHC = delegate(IMethodVisitor mv)
{
mv.CallThisGetter(p_rootEntity);
};
}
else
{
script_getVHC = delegate(IMethodVisitor mv)
{
// this
mv.LoadThis();
};
}
MethodInstance m_getMethod;
{
PropertyInstance p_cacheModification = SetCacheModificationMethodCreator.GetCacheModificationPI(this);
MethodInstance m_getMethod_scoped = new MethodInstance(State.NewType,
MethodAttributes.HideBySig | MethodAttributes.Private | MethodAttributes.Final, NewType.VOID_TYPE, propertyName + "$DoInitialize");
{
IMethodVisitor mg = VisitMethod(m_getMethod_scoped);
// this => for this.setPropertyName(...)
mg.LoadThis();
// call template.getValue(..)
mg.CallThisGetter(p_valueHolderContainerTemplate);
// getVhc()
script_getVHC.Invoke(mg);
// $relationMembers
mg.CallThisGetter(p_relationMembers);
// get__IndexOfPropertyName()
mg.Push(relationIndex);
// $targetCache
mg.CallThisGetter(p_targetCache);
// propertyName$objRefs
mg.GetThisField(f_objRefs);
mg.InvokeVirtual(m_template_getValue);
mg.CheckCast(m_setMethod.Parameters[0].Type);
mg.InvokeVirtual(m_setMethod);
mg.ReturnValue();
mg.EndMethod();
}
{
IMethodVisitor mg = base.VisitMethod(m_getMethod_template);
m_getMethod = mg.Method;
HideFromDebug(m_getMethod);
Label l_initialized = mg.NewLabel();
mg.GetThisField(f_initialized);
mg.PushEnum(ValueHolderState.INIT);
mg.IfCmp(typeof(ValueHolderState), CompareOperator.EQ, l_initialized);
SetCacheModificationMethodCreator.CacheModificationInternalUpdate(p_cacheModification, mg,
delegate(IMethodVisitor mv2)
{
mv2.LoadThis();
mv2.InvokeOnExactOwner(m_getMethod_scoped);
});
mg.Mark(l_initialized);
mg.LoadThis();
mg.InvokeSuperOfCurrentMethod();
mg.ReturnValue();
mg.EndMethod();
}
}
// public String getPropertyName$NoInit()
// {
// return super.getPropertyName();
// }
{
MethodInstance m_getNoInit = m_getMethod_template.DeriveName(ValueHolderIEC.GetGetterNameOfRelationPropertyWithNoInit(propertyName));
IMethodVisitor mg = base.VisitMethod(m_getNoInit);
PropertyInstance p_getNoInit = PropertyInstance.FindByTemplate(propertyName + ValueHolderIEC.GetNoInitSuffix(), m_getNoInit.ReturnType, false);
p_getNoInit.AddAnnotation(c_fireThisOPC, propertyName);
p_getNoInit.AddAnnotation(c_fireTargetOPC, propertyName);
mg.LoadThis();
mg.InvokeSuper(m_getMethod);
mg.ReturnValue();
mg.EndMethod();
}
}
