Ejemplo n.º 1
0
        /**
         * public boolean hasPendingChanges() { return isToBeUpdated() || isToBeCreated() || isToBeDeleted(); }
         */
        protected void ImplementHasPendingChanges(PropertyInstance p_hasPendingChanges, PropertyInstance p_ToBeUpdated, PropertyInstance p_ToBeCreated,
                                                  PropertyInstance p_ToBeDeleted)
        {
            IMethodVisitor mg = VisitMethod(p_hasPendingChanges.Getter);

            p_hasPendingChanges = PropertyInstance.FindByTemplate(p_hasPendingChanges, false);
            p_hasPendingChanges.AddAnnotation(c_ignoreToBeUpdated);
            p_hasPendingChanges.AddAnnotation(c_fireThisOPC, p_ToBeCreated.Name);
            p_hasPendingChanges.AddAnnotation(c_fireThisOPC, p_ToBeUpdated.Name);
            p_hasPendingChanges.AddAnnotation(c_fireThisOPC, p_ToBeDeleted.Name);

            Label trueLabel = mg.NewLabel();

            mg.LoadThis();
            mg.InvokeVirtual(p_ToBeUpdated.Getter);
            mg.IfZCmp(CompareOperator.NE, trueLabel);

            mg.LoadThis();
            mg.InvokeVirtual(p_ToBeCreated.Getter);
            mg.IfZCmp(CompareOperator.NE, trueLabel);

            mg.LoadThis();
            mg.InvokeVirtual(p_ToBeDeleted.Getter);
            mg.IfZCmp(CompareOperator.NE, trueLabel);

            mg.Push(false);
            mg.ReturnValue();

            mg.Mark(trueLabel);
            mg.Push(true);
            mg.ReturnValue();
            mg.EndMethod();
        }
Ejemplo n.º 2
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        protected void ImplementNotifyPropertyChanged(PropertyInstance p_propertyChangeTemplate, MethodInstance m_getPropertyChangeSupport)
        {
            // implement IPropertyChanged
            foreach (MethodInfo rMethod in typeof(INotifyPropertyChanged).GetMethods())
            {
                MethodInstance existingMethod = MethodInstance.FindByTemplate(rMethod, true);
                if (existingMethod != null)
                {
                    continue;
                }
                MethodInstance method = new MethodInstance(rMethod);

                IMethodVisitor mg = VisitMethod(method);
                mg.CallThisGetter(p_propertyChangeTemplate);
                // this.propertyChangeSupport
                mg.CallThisGetter(m_getPropertyChangeSupport);
                // listener
                mg.LoadArg(0);
                if ("add_PropertyChanged".Equals(method.Name))
                {
                    // addPropertyChangeListener(propertyChangeSupport, listener)
                    mg.InvokeVirtual(m_addPropertyChangeListener);
                }
                else
                {
                    // removePropertyChangeListener(propertyChangeSupport, listener)
                    mg.InvokeVirtual(m_removePropertyChangeListener);
                }
                mg.ReturnValue();
                mg.EndMethod();
            }
        }
Ejemplo n.º 3
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 public virtual void InvokeVirtual(MethodInstance method)
 {
     if (mv != null)
     {
         mv.InvokeVirtual(method);
     }
 }
Ejemplo n.º 4
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 protected Type InvokeGetProperty(IMethodVisitor mv, IPropertyInfo property, Type typeOfArgumentOnStack)
 {
     if (property is MethodPropertyInfo)
     {
         MethodInfo     method = ((MethodPropertyInfo)property).Getter;
         MethodInstance mi     = new MethodInstance(method);
         if (method.DeclaringType.IsInterface)
         {
             mv.InvokeInterface(mi);
         }
         else
         {
             if (!mi.Owner.Equals(typeOfArgumentOnStack))
             {
                 mv.CheckCast(mi.Owner);
             }
             mv.InvokeVirtual(mi);
             typeOfArgumentOnStack = mi.ReturnType.Type;
         }
     }
     else
     {
         FieldInfo     field = ((FieldPropertyInfo)property).BackingField;
         FieldInstance fi    = new FieldInstance(field);
         mv.GetField(fi);
         typeOfArgumentOnStack = fi.Type.Type;
     }
     return(typeOfArgumentOnStack);
 }
Ejemplo n.º 5
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        protected MethodInstance ImplementUsePropertyChangeSupport(PropertyInstance p_propertyChangeTemplate, FieldInstance f_propertyChangeSupport)
        {
            MethodInstance m_getPropertyChangeSupport = MethodInstance.FindByTemplate(template_m_usePropertyChangeSupport, true);

            if (m_getPropertyChangeSupport == null)
            {
                // create field that holds propertyChangeSupport
                f_propertyChangeSupport = ImplementField(f_propertyChangeSupport);
                IMethodVisitor mg = VisitMethod(template_m_usePropertyChangeSupport);
                HideFromDebug(mg.Method);
                Label l_pcsValid = mg.NewLabel();
                mg.GetThisField(f_propertyChangeSupport);
                mg.Dup();
                mg.IfNonNull(l_pcsValid);

                mg.Pop(); // remove 2nd null instance from stack caused by previous dup
                mg.PutThisField(f_propertyChangeSupport, delegate(IMethodVisitor mg2)
                {
                    mg.CallThisGetter(p_propertyChangeTemplate);
                    mg.LoadThis();
                    mg.InvokeVirtual(m_newPropertyChangeSupport);
                });
                mg.GetThisField(f_propertyChangeSupport);

                mg.Mark(l_pcsValid);
                mg.ReturnValue(); // return instance already on the stack by both branches
                mg.EndMethod();

                m_getPropertyChangeSupport = mg.Method;
            }
            return(m_getPropertyChangeSupport);
        }
Ejemplo n.º 6
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        protected void ImplementToStringMethod(PropertyInstance p_entityEqualsTemplate)
        {
            {
                MethodInstance methodTemplate = new MethodInstance(null, typeof(Object), typeof(String), "ToString");
                MethodInstance method         = MethodInstance.FindByTemplate(methodTemplate, true);
                if (NewType.GetType(typeof(Object)).Equals(method.Owner) || method.Access.HasFlag(MethodAttributes.Abstract))
                {
                    IMethodVisitor mg = VisitMethod(methodTemplate);
                    mg.CallThisGetter(p_entityEqualsTemplate);
                    mg.LoadThis();
                    mg.LoadThis();
                    mg.InvokeVirtual(entityEquals_toString_Obj);
                    mg.ReturnValue();
                    mg.EndMethod();
                }
            }

            {
                MethodInstance methodTemplate = new MethodInstance(null, typeof(IPrintable), typeof(void), "ToString", typeof(StringBuilder));
                MethodInstance method         = MethodInstance.FindByTemplate(methodTemplate, true);
                if (method == null || method.Access.HasFlag(MethodAttributes.Abstract))
                {
                    IMethodVisitor mg = VisitMethod(methodTemplate);
                    mg.CallThisGetter(p_entityEqualsTemplate);
                    mg.LoadThis();
                    mg.LoadArgs();
                    mg.InvokeVirtual(entityEquals_toString_Printable);
                    mg.ReturnValue();
                    mg.EndMethod();
                }
            }
        }
Ejemplo n.º 7
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 protected static void ImplementDefaultDelegatingMethod(IMethodVisitor mg, PropertyInstance p_compositeIdTemplate, PropertyInstance p_idMembers,
                                                        MethodInstance delegatedMethod)
 {
     mg.CallThisGetter(p_compositeIdTemplate);
     mg.CallThisGetter(p_idMembers);
     mg.LoadThis();
     mg.LoadArgs();
     mg.InvokeVirtual(delegatedMethod);
     mg.ReturnValue();
     mg.EndMethod();
 }
Ejemplo n.º 8
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 protected void ImplementSetUninitialized(PropertyInstance p_valueHolderContainerTemplate, PropertyInstance p_valueHolderContainerEntry)
 {
     {
         IMethodVisitor mv = VisitMethod(m_template_setUninitialized_Member);
         mv.CallThisGetter(p_valueHolderContainerEntry);
         mv.LoadThis();
         mv.LoadArgs();
         mv.InvokeVirtual(m_vhce_setUninitialized_Member);
         mv.ReturnValue();
         mv.EndMethod();
     }
 }
 protected void InvokeSetProperty(IMethodVisitor mv, IPropertyInfo property)
 {
     if (property is MethodPropertyInfo)
     {
         MethodInfo method = ((MethodPropertyInfo)property).Setter;
         mv.InvokeVirtual(new MethodInstance(method));
     }
     else
     {
         FieldInfo field = ((FieldPropertyInfo)property).BackingField;
         mv.PutField(new FieldInstance(field));
     }
 }
Ejemplo n.º 10
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        protected void ImplementConstructor(MethodInstance template_m_setPrimitivePropertyPrivilege, MethodInstance template_m_setRelationPropertyPrivilege)
        {
            IBytecodeBehaviorState state       = State;
            ConstructorInfo        constructor = state.CurrentType.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, new Type[] { typeof(bool), typeof(bool), typeof(bool), typeof(bool), typeof(bool),
                                                                                                                                                                           typeof(IPropertyPrivilege[]), typeof(IPropertyPrivilege[]) }, null);
            ConstructorInstance c_method = new ConstructorInstance(constructor);

            IMethodVisitor mg = VisitMethod(c_method);

            mg.LoadThis();
            mg.LoadArgs();
            mg.InvokeConstructor(c_method);

            Type propertyPrivilegeType = typeof(IPropertyPrivilege);

            for (int primitiveIndex = 0, size = metaData.PrimitiveMembers.Length; primitiveIndex < size; primitiveIndex++)
            {
                mg.LoadThis();
                mg.Push(primitiveIndex);
                mg.LoadArg(5);
                mg.Push(primitiveIndex);
                mg.ArrayLoad(propertyPrivilegeType);
                mg.InvokeVirtual(template_m_setPrimitivePropertyPrivilege);
            }
            for (int relationIndex = 0, size = metaData.RelationMembers.Length; relationIndex < size; relationIndex++)
            {
                mg.LoadThis();
                mg.Push(relationIndex);
                mg.LoadArg(6);
                mg.Push(relationIndex);
                mg.ArrayLoad(propertyPrivilegeType);
                mg.InvokeVirtual(template_m_setRelationPropertyPrivilege);
            }

            mg.ReturnValue();
            mg.EndMethod();
        }
Ejemplo n.º 11
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        protected void ImplementToString()
        {
            PropertyInstance p_objRefTemplate = GetObjRefTemplatePI(this);

            MethodInstance methodSb;
            {
                methodSb = MethodInstance.FindByTemplate(template_m_toStringSb, true);
                if (methodSb == null || methodSb.Access.HasFlag(MethodAttributes.Abstract))
                {
                    IMethodVisitor mg = VisitMethod(template_m_toStringSb);
                    mg.CallThisGetter(p_objRefTemplate);
                    mg.LoadThis();
                    mg.LoadArgs();
                    mg.InvokeVirtual(m_objRef_toStringSb);
                    mg.ReturnValue();
                    mg.EndMethod();
                    methodSb = mg.Method;
                }
            }
            {
                MethodInstance method = MethodInstance.FindByTemplate(template_m_toString, true);
                if (method == null || NewType.GetType(typeof(Object)).Equals(method.Owner) || methodSb.Access.HasFlag(MethodAttributes.Abstract))
                {
                    IMethodVisitor    mg     = VisitMethod(template_m_toString);
                    LocalVariableInfo loc_sb = mg.NewLocal(typeof(StringBuilder));
                    mg.LoadThis();
                    mg.NewInstance(c_stringBuilder, null);
                    mg.StoreLocal(loc_sb);
                    mg.LoadLocal(loc_sb);
                    mg.InvokeVirtual(methodSb);
                    mg.LoadLocal(loc_sb);
                    mg.InvokeVirtual(new MethodInstance(null, typeof(StringBuilder), typeof(String), "ToString"));
                    mg.ReturnValue();
                    mg.EndMethod();
                }
            }
        }
Ejemplo n.º 12
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        protected void ImplementHashCodeMethod(PropertyInstance p_entityEqualsTemplate)
        {
            MethodInstance methodTemplate = new MethodInstance(null, typeof(Object), typeof(int), "GetHashCode");
            MethodInstance method         = MethodInstance.FindByTemplate(methodTemplate, true);

            if (NewType.GetType(typeof(Object)).Equals(method.Owner) || method.Access.HasFlag(MethodAttributes.Abstract))
            {
                IMethodVisitor mg = VisitMethod(methodTemplate);
                mg.CallThisGetter(p_entityEqualsTemplate);
                mg.LoadThis();
                mg.LoadArgs();
                mg.InvokeVirtual(entityEquals_HashCode);
                mg.ReturnValue();
                mg.EndMethod();
            }
        }
Ejemplo n.º 13
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        protected void ImplementHashCode()
        {
            PropertyInstance p_objRefTemplate = GetObjRefTemplatePI(this);

            MethodInstance method = MethodInstance.FindByTemplate(template_m_hashCode, true);

            if (method == null || method.Access.HasFlag(MethodAttributes.Abstract))
            {
                IMethodVisitor mg = VisitMethod(template_m_hashCode);
                mg.CallThisGetter(p_objRefTemplate);
                mg.LoadThis();
                mg.LoadArgs();
                mg.InvokeVirtual(m_objRef_hashCode);
                mg.ReturnValue();
                mg.EndMethod();
            }
        }
Ejemplo n.º 14
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        protected void ImplementGetAttribute(IPropertyInfo[] property)
        {
            HashMap <Type, Attribute> typeToAttributeMap = new HashMap <Type, Attribute>();

            Attribute[] annotations = property[property.Length - 1].GetAnnotations();
            foreach (Attribute annotation in annotations)
            {
                typeToAttributeMap.Put(annotation.GetType(), annotation);
            }
            FieldInstance  f_typeToAttributeMap = ImplementStaticAssignedField("sf__typeToAttributeMap", typeToAttributeMap);
            IMethodVisitor mv = VisitMethod(template_m_getAttribute);

            mv.GetThisField(f_typeToAttributeMap);
            mv.LoadArg(0);
            mv.InvokeVirtual(new MethodInstance(null, typeof(HashMap <Type, Attribute>), typeof(Attribute), "Get", typeof(Type)));
            //		mv.CheckCast(typeof(Attribute));
            mv.ReturnValue();
            mv.EndMethod();
        }
Ejemplo n.º 15
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        protected void ImplementPropertyChanged(PropertyInstance p_propertyChangeTemplate)
        {
            MethodInstance m_propertyChanged_super = MethodInstance.FindByTemplate(template_m_PropertyChanged, true);
            IMethodVisitor mv = VisitMethod(template_m_PropertyChanged);

            if (m_propertyChanged_super != null)
            {
                mv.LoadThis();
                mv.LoadArgs();
                mv.InvokeSuperOfCurrentMethod();
            }
            mv.CallThisGetter(p_propertyChangeTemplate);
            mv.LoadThis();
            mv.LoadArgs();
            // call PCT.HandlePropertyChange(this, sender, arg)
            mv.InvokeVirtual(m_handlePropertyChange);
            mv.ReturnValue();
            mv.EndMethod();
        }
Ejemplo n.º 16
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 protected void ImplementSelfGetter(PropertyInstance p_valueHolderContainerTemplate)
 {
     NewType        owner     = State.NewType;
     MethodInstance m_getSelf = new MethodInstance(owner, typeof(IValueHolderContainer), typeof(IObjRelation), "Get__Self", typeof(int));
     {
         // public IObjRelation getSelf(String memberName)
         // {
         // return ValueHolderContainerTemplate.GetSelf(this, relationIndex);
         // }
         IMethodVisitor mv = VisitMethod(m_getSelf);
         mv.CallThisGetter(p_valueHolderContainerTemplate);
         // this
         mv.LoadThis();
         // relationIndex
         mv.LoadArgs();
         mv.InvokeVirtual(m_template_getSelf);
         mv.ReturnValue();
         mv.EndMethod();
     }
 }
Ejemplo n.º 17
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        public override void VisitEnd()
        {
            MethodInstance m_get__Id = MethodInstance.FindByTemplate(GetIdMethodCreator.template_m_entityEquals_getId, true);

            if (m_get__Id != null)
            {
                base.VisitEnd();
                return;
            }
            MethodInstance m_getEntityMetaData = EntityMetaDataHolderVisitor.GetImplementedGetEntityMetaData(this, metaData);
            IMethodVisitor mg = VisitMethod(GetIdMethodCreator.template_m_entityEquals_getId);

            mg.CallThisGetter(m_getEntityMetaData);
            mg.InvokeInterface(new MethodInstance(null, typeof(IEntityMetaData), typeof(PrimitiveMember), "get_IdMember"));
            mg.LoadThis();
            mg.Push(false);
            mg.InvokeVirtual(EntityMetaDataMemberVisitor.template_m_getValueWithFlag);
            mg.ReturnValue();
            mg.EndMethod();

            base.VisitEnd();
        }
Ejemplo n.º 18
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        /**
         * public boolean isToBeCreated() { return get__Id() == null; }
         *
         * @param owner
         */
        protected PropertyInstance ImplementToBeCreated(PropertyInstance p_toBeCreated)
        {
            IMethodVisitor mg = VisitMethod(p_toBeCreated.Getter);

            p_toBeCreated = PropertyInstance.FindByTemplate(p_toBeCreated, false);
            Member idMember = metaData.IdMember;

            if (idMember is CompositeIdMember)
            {
                List <String> names = new List <String>();
                foreach (Member itemMember in ((CompositeIdMember)idMember).Members)
                {
                    names.Add(itemMember.Name);
                }
                p_toBeCreated.AddAnnotation(c_fireThisOPC, new Object[] { names.ToArray() });
            }
            else
            {
                p_toBeCreated.AddAnnotation(c_fireThisOPC, idMember.Name);
            }

            Label trueLabel = mg.NewLabel();

            mg.LoadThis();
            mg.InvokeVirtual(GetIdMethodCreator.GetGetId());

            mg.IfNull(trueLabel);

            mg.Push(false);
            mg.ReturnValue();

            mg.Mark(trueLabel);

            mg.Push(true);
            mg.ReturnValue();
            mg.EndMethod();
            return(p_toBeCreated);
        }
Ejemplo n.º 19
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        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$NoInit()
            // {
            // return super.getPropertyName();
            // }
            {
                MethodInstance   m_getNoInit = m_getMethod_template.DeriveName(ValueHolderIEC.GetGetterNameOfRelationPropertyWithNoInit(propertyName));
                IMethodVisitor   mg          = base.VisitMethod(m_getNoInit);
                PropertyInstance p_getNoInit = PropertyInstance.FindByTemplate(propertyName + ValueHolderIEC.GetNoInitSuffix(), m_getNoInit.ReturnType, false);
                p_getNoInit.AddAnnotation(c_fireThisOPC, propertyName);
                p_getNoInit.AddAnnotation(c_fireTargetOPC, propertyName);
                mg.LoadThis();
                mg.InvokeSuper(m_getMethod);
                mg.ReturnValue();
                mg.EndMethod();
            }
        }
Ejemplo n.º 20
0
        protected void ImplementPropertyChangeOnProperty(PropertyInstance propertyInfo,
                                                         PropertyInstance p_propertyChangeTemplate, MethodInstance m_firePropertyChange, FieldInstance f_propertyChangeSupport)
        {
            // add property change detection and notification
            if (propertyInfo.Getter == null || propertyInfo.Setter == null)
            {
                return;
            }
            if (InitializeEmbeddedMemberVisitor.IsEmbeddedMember(metaData, propertyInfo.Name))
            {
                return;
            }
            PropertyInstance p_getterMethodHandle = ImplementAssignedReadonlyProperty(propertyInfo.Name + "$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();
        }
Ejemplo n.º 21
0
        protected PropertyInstance ImplementNotifyPropertyChangedSource(PropertyInstance p_propertyChangeTemplate,
                                                                        FieldInstance f_propertyChangeSupport)
        {
            MethodInstance m_onPropertyChanged_Values = MethodInstance.FindByTemplate(template_m_onPropertyChanged_Values, true);

            if (m_onPropertyChanged_Values == null)
            {
                IMethodVisitor mv = VisitMethod(template_m_onPropertyChanged_Values);
                mv.CallThisGetter(p_propertyChangeTemplate);
                mv.LoadThis();
                mv.GetThisField(f_propertyChangeSupport);

                // getMethodHandle(sender, propertyName)
                mv.CallThisGetter(p_propertyChangeTemplate);
                mv.LoadThis();
                mv.LoadArg(0);
                mv.InvokeVirtual(m_getMethodHandle);

                mv.LoadArg(1);
                mv.LoadArg(2);
                // firePropertyChange(sender, propertyChangeSupport, property, oldValue, newValue)
                mv.InvokeVirtual(m_firePropertyChange);
                mv.PopIfReturnValue(m_firePropertyChange);
                mv.ReturnVoidOrThis();
                mv.EndMethod();
                m_onPropertyChanged_Values = mv.Method;
            }
            MethodInstance m_onPropertyChanged = MethodInstance.FindByTemplate(template_m_onPropertyChanged, true);

            if (m_onPropertyChanged == null)
            {
                IMethodVisitor mv = VisitMethod(template_m_onPropertyChanged);
                mv.LoadThis();
                mv.LoadArg(0);
                mv.PushNull();
                mv.PushNull();
                mv.InvokeVirtual(m_onPropertyChanged_Values);
                mv.PopIfReturnValue(m_onPropertyChanged_Values);
                mv.ReturnVoidOrThis();
                mv.EndMethod();
                m_onPropertyChanged = mv.Method;
            }
            PropertyInstance p_pceHandlers = PropertyInstance.FindByTemplate(p_propertyChangeSupport, true);

            if (p_pceHandlers == null)
            {
                HideFromDebug(ImplementGetter(p_propertyChangeSupport.Getter, f_propertyChangeSupport));
                p_pceHandlers = PropertyInstance.FindByTemplate(p_propertyChangeSupport, false);
            }
            if (EmbeddedEnhancementHint.HasMemberPath(State.Context))
            {
                PropertyInstance p_parentEntity = EmbeddedTypeVisitor.GetParentObjectProperty(this);
                if (MethodInstance.FindByTemplate(p_parentChildEventHandler.Getter, true) == null)
                {
                    IMethodVisitor mv = VisitMethod(p_parentChildEventHandler.Getter);
                    mv.CallThisGetter(p_parentEntity);
                    mv.InvokeInterface(p_parentChildEventHandler.Getter);
                    mv.ReturnValue();
                    mv.EndMethod();
                    HideFromDebug(mv.Method);
                }
                if (MethodInstance.FindByTemplate(p_collectionEventHandler.Getter, true) == null)
                {
                    IMethodVisitor mv = VisitMethod(p_collectionEventHandler.Getter);
                    mv.CallThisGetter(p_parentEntity);
                    mv.InvokeInterface(p_collectionEventHandler.Getter);
                    mv.ReturnValue();
                    mv.EndMethod();
                    HideFromDebug(mv.Method);
                }
            }
            else
            {
                if (MethodInstance.FindByTemplate(p_parentChildEventHandler.Getter, true) == null)
                {
                    HideFromDebug(ImplementLazyInitProperty(p_parentChildEventHandler, delegate(IMethodVisitor mv)
                    {
                        MethodInstance method = new MethodInstance(null, typeof(NotifyPropertyChangedClassVisitor), typeof(PropertyChangedEventHandler), "CreateParentChildEventHandler", typeof(Object));
                        mv.LoadThis();
                        mv.InvokeStatic(method);
                    }));
                }
                if (MethodInstance.FindByTemplate(p_collectionEventHandler.Getter, true) == null)
                {
                    HideFromDebug(ImplementLazyInitProperty(p_collectionEventHandler, delegate(IMethodVisitor mv)
                    {
                        MethodInstance method = new MethodInstance(null, typeof(NotifyPropertyChangedClassVisitor), typeof(NotifyCollectionChangedEventHandler), "CreateCollectionEventHandler", typeof(Object));
                        mv.LoadThis();
                        mv.InvokeStatic(method);
                    }));
                }
            }

            //MethodAttributes ma = MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig;
            //{
            //    ConstructorInfo pceaCI = typeof(PropertyChangedEventArgs).GetConstructor(new Type[] { typeof(String) });

            //    MethodBuilder mb = VisitorUtil.DefineMethod(vs, onPropertyChangedMI_string, ma);
            //    ILGenerator gen = mb.GetILGenerator();
            //    gen.Emit(OpCodes.Ldarg_0);
            //    gen.Emit(OpCodes.Ldarg_1);
            //    gen.Emit(OpCodes.Newobj, pceaCI);
            //    gen.Emit(OpCodes.Call, onPropertyChangedMI_pceArg);
            //    gen.Emit(OpCodes.Ret);
            //}
            //{
            //    MethodBuilder mb = VisitorUtil.DefineMethod(vs, onPropertyChangedMI_pceArg, ma);
            //    ILGenerator gen = mb.GetILGenerator();
            //    gen.Emit(OpCodes.Ldarg_0);
            //    gen.Emit(OpCodes.Call, pctPI.GetGetMethod());
            //    gen.Emit(OpCodes.Ldarg_0);
            //    gen.Emit(OpCodes.Ldarg_1);
            //    gen.Emit(OpCodes.Call, FirePropertyChangedMI);
            //    gen.Emit(OpCodes.Ret);
            //}
            //    List<PropertyChangedEventHandler> PropertyChangedEventHandlers { get; }

            //void OnPropertyChanged(String propertyName);

            //void OnPropertyChanged(PropertyChangedEventArgs args);
            return(p_pceHandlers);
        }