示例#1
0
        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();
        }
示例#2
0
        protected void ImplementGetRelation(RelationMember[] relationMembers, FieldInstance[] f_relations)
        {
            MethodInstance template_m_getRelation = new MethodInstance(null, typeof(RootCacheValue), typeof(IObjRef[]), "GetRelation", typeof(int));

            IMethodVisitor mv = VisitMethod(template_m_getRelation);

            if (f_relations.Length > 0)
            {
                Label   l_default   = mv.NewLabel();
                Label[] l_relations = new Label[f_relations.Length];
                for (int relationIndex = 0, size = l_relations.Length; relationIndex < size; relationIndex++)
                {
                    l_relations[relationIndex] = mv.NewLabel();
                }

                mv.LoadArg(0);
                mv.Switch(0, l_relations.Length - 1, l_default, l_relations);

                for (int relationIndex = 0, size = f_relations.Length; relationIndex < size; relationIndex++)
                {
                    FieldInstance f_relation = f_relations[relationIndex];

                    mv.Mark(l_relations[relationIndex]);
                    mv.GetThisField(f_relation);
                    mv.ReturnValue();
                }
                mv.Mark(l_default);
            }
            mv.ThrowException(typeof(ArgumentException), "Given relationIndex not known");
            mv.PushNull();
            mv.ReturnValue();
            mv.EndMethod();
        }
示例#3
0
        protected void ImplementGetPrimitive(Member[] primitiveMember, FieldInstance[] f_primitives, FieldInstance[] f_nullFlags)
        {
            MethodInstance template_m_getPrimitive = new MethodInstance(null, typeof(RootCacheValue), typeof(Object), "GetPrimitive", typeof(int));

            IMethodVisitor mv = VisitMethod(template_m_getPrimitive);

            if (f_primitives.Length > 0)
            {
                Label   l_default    = mv.NewLabel();
                Label[] l_primitives = new Label[f_primitives.Length];
                for (int primitiveIndex = 0, size = f_primitives.Length; primitiveIndex < size; primitiveIndex++)
                {
                    l_primitives[primitiveIndex] = mv.NewLabel();
                }

                mv.LoadArg(0);
                mv.Switch(0, l_primitives.Length - 1, l_default, l_primitives);

                for (int primitiveIndex = 0, size = f_primitives.Length; primitiveIndex < size; primitiveIndex++)
                {
                    FieldInstance f_primitive = f_primitives[primitiveIndex];
                    FieldInstance f_nullFlag  = f_nullFlags[primitiveIndex];

                    mv.Mark(l_primitives[primitiveIndex]);

                    Label?l_fieldIsNull = null;

                    if (f_nullFlag != null)
                    {
                        l_fieldIsNull = mv.NewLabel();
                        // only do something if the field is non-null
                        mv.GetThisField(f_nullFlag);
                        mv.IfZCmp(CompareOperator.NE, l_fieldIsNull.Value);
                    }
                    mv.GetThisField(f_primitive);
                    mv.ValueOf(f_primitive.Type.Type);
                    mv.ReturnValue();

                    if (f_nullFlag != null)
                    {
                        mv.Mark(l_fieldIsNull.Value);
                        mv.PushNull();
                    }
                    mv.ReturnValue();
                }
                mv.Mark(l_default);
            }
            mv.ThrowException(typeof(ArgumentException), "Given relationIndex not known");
            mv.PushNull();
            mv.ReturnValue();
            mv.EndMethod();
        }
示例#4
0
        protected void ImplementSetValue(IPropertyInfo[] propertyPath)
        {
            IMethodVisitor mv = VisitMethod(template_m_setValue);

            IPropertyInfo lastProperty = propertyPath[propertyPath.Length - 1];

            if (lastProperty is MethodPropertyInfo && ((MethodPropertyInfo)lastProperty).Setter == null)
            {
                throw new Exception("Property not writable: " + lastProperty.EntityType.FullName + "." + lastProperty.Name);
            }
            mv.LoadArg(0);
            Type typeOfArgumentOnStack = typeof(Object);

            for (int a = 0, size = propertyPath.Length - 1; a < size; a++)
            {
                typeOfArgumentOnStack = InvokeGetProperty(mv, propertyPath[a], typeOfArgumentOnStack);
            }
            if (!lastProperty.DeclaringType.Equals(typeOfArgumentOnStack))
            {
                mv.CheckCast(lastProperty.DeclaringType);
            }
            mv.LoadArg(1);
            Type lastPropertyType = lastProperty.PropertyType;

            if (lastProperty.PropertyType.IsPrimitive)
            {
                Type  pType            = lastProperty.PropertyType;
                Label l_valueIsNonNull = mv.NewLabel();
                Label l_valueIsValid   = mv.NewLabel();

                mv.IfNonNull(l_valueIsNonNull);
                mv.PushNullOrZero(pType);
                mv.GoTo(l_valueIsValid);

                mv.Mark(l_valueIsNonNull);
                mv.LoadArg(1);
                mv.Unbox(pType);
                mv.Mark(l_valueIsValid);
            }
            else
            {
                mv.CheckCast(lastPropertyType);
            }
            InvokeSetProperty(mv, lastProperty);
            mv.ReturnValue();

            mv.EndMethod();
        }
示例#5
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();
        }
示例#6
0
 public virtual void Mark(Label label)
 {
     if (mv != null)
     {
         mv.Mark(label);
     }
 }
示例#7
0
        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);
        }
示例#8
0
        public MethodInstance ImplementSwitchByIndex(MethodInstance method, String exceptionMessageOnIllegalIndex, int indexSize, ScriptWithIndex script)
        {
            IMethodVisitor mv = VisitMethod(method);

            if (indexSize == 0)
            {
                mv.ThrowException(typeof(ArgumentException), exceptionMessageOnIllegalIndex);
                mv.PushNull();
                mv.ReturnValue();
                mv.EndMethod();
                return(mv.Method);
            }

            Label l_default = mv.NewLabel();

            Label[] l_fields = new Label[indexSize];
            for (int index = 0, size = indexSize; index < size; index++)
            {
                l_fields[index] = mv.NewLabel();
            }

            mv.LoadArg(0);
            mv.VisitTableSwitchInsn(0, l_fields.Length - 1, l_default, l_fields);

            for (int index = 0, size = l_fields.Length; index < size; index++)
            {
                mv.Mark(l_fields[index]);

                script(mv, index);
            }
            mv.Mark(l_default);

            mv.ThrowException(typeof(ArgumentException), "Given relationIndex not known");
            mv.PushNull();
            mv.ReturnValue();
            mv.EndMethod();
            return(mv.Method);
        }
示例#9
0
        public virtual PropertyInstance ImplementLazyInitProperty(PropertyInstance property, Script script, params String[] fireThisOnPropertyNames)
        {
            FieldInstance  field          = ImplementField(new FieldInstance(FieldAttributes.Private, "f_" + property.Name, property.PropertyType));
            IMethodVisitor mv             = VisitMethod(property.Getter);
            Label          returnInstance = mv.NewLabel();

            mv.GetThisField(field);
            mv.IfNonNull(returnInstance);
            mv.PutThisField(field, script);
            mv.Mark(returnInstance);
            mv.GetThisField(field);
            mv.ReturnValue();
            mv.EndMethod();
            return(FireThisOnPropertyChange(property, fireThisOnPropertyNames));
        }
示例#10
0
        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();
        }
示例#11
0
        protected void ImplementGetPrimitives(Member[] primitiveMembers, FieldInstance[] f_primitives, FieldInstance[] f_nullFlags)
        {
            MethodInstance template_m_getPrimitives = new MethodInstance(null, typeof(RootCacheValue), typeof(Object[]), "GetPrimitives");

            IMethodVisitor mv = VisitMethod(template_m_getPrimitives);

            mv.Push(f_primitives.Length);
            mv.NewArray(objType);

            for (int primitiveIndex = 0, size = f_primitives.Length; primitiveIndex < size; primitiveIndex++)
            {
                FieldInstance f_primitive = f_primitives[primitiveIndex];
                FieldInstance f_nullFlag  = f_nullFlags[primitiveIndex];

                Label?l_fieldIsNull = null;

                if (f_nullFlag != null)
                {
                    l_fieldIsNull = mv.NewLabel();
                    // only do something if the field is non-null
                    mv.GetThisField(f_nullFlag);
                    mv.IfZCmp(CompareOperator.NE, l_fieldIsNull.Value);
                }
                // duplicate array instance on stack
                mv.Dup();

                mv.Push(primitiveIndex);
                mv.GetThisField(f_primitive);

                mv.ValueOf(f_primitive.Type.Type);
                mv.ArrayStore(objType);

                if (f_nullFlag != null)
                {
                    mv.Mark(l_fieldIsNull.Value);
                }
            }
            mv.ReturnValue();
            mv.EndMethod();
        }
示例#12
0
        /**
         * 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);
        }
示例#13
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();
        }
示例#14
0
        protected void ImplementGetValueIntern(MethodInstance template_m_getValue, IPropertyInfo[] propertyPath)
        {
            IMethodVisitor mv = VisitMethod(template_m_getValue);

            Type  declaringType = propertyPath[0].EntityType;
            Label l_finish      = mv.NewLabel();

            mv.LoadArg(0);
            Type typeOfArgumentOnStack = typeof(Object);

            for (int a = 0, size = propertyPath.Length - 1; a < size; a++)
            {
                typeOfArgumentOnStack = InvokeGetProperty(mv, propertyPath[a], typeOfArgumentOnStack);
                mv.Dup();
                mv.IfNull(l_finish);
            }
            IPropertyInfo lastProperty = propertyPath[propertyPath.Length - 1];

            typeOfArgumentOnStack = InvokeGetProperty(mv, lastProperty, typeOfArgumentOnStack);
            if (lastProperty.PropertyType.IsPrimitive)
            {
                Type pType = lastProperty.PropertyType;
                LocalVariableInfo loc_value = mv.NewLocal(pType);
                mv.StoreLocal(loc_value);
                mv.LoadLocal(loc_value);
                Label l_valueIsNonZero = mv.NewLabel();

                mv.IfZCmp(pType, CompareOperator.NE, l_valueIsNonZero);

                if (mv.Method.Parameters.Length == 2)
                {
                    Label l_nullAllowed = mv.NewLabel();
                    // check null-equi flag
                    mv.LoadArg(1);
                    mv.IfZCmp(CompareOperator.EQ, l_nullAllowed);
                    mv.PushNullOrZero(pType);
                    if (!mv.Method.ReturnType.Type.IsValueType)
                    {
                        mv.ValueOf(pType);
                    }
                    mv.ReturnValue();

                    mv.Mark(l_nullAllowed);
                }
                mv.PushNullOrZero(mv.Method.ReturnType);
                mv.ReturnValue();

                mv.Mark(l_valueIsNonZero);
                mv.LoadLocal(loc_value);
                mv.ValueOf(pType);
            }
            else if (lastProperty.PropertyType.IsValueType)
            {
                Type pType = lastProperty.PropertyType;

                MethodInfo m_hasValue = pType.GetMethod("get_HasValue");
                if (m_hasValue != null)
                {
                    LocalVariableInfo loc_value = mv.NewLocal(pType);
                    mv.StoreLocal(loc_value);
                    mv.LoadLocal(loc_value);

                    MethodInfo        m_getValue    = pType.GetMethod("get_Value");
                    LocalVariableInfo loc_realValue = mv.NewLocal(m_getValue.ReturnType);
                    Label             l_hasNoValue  = mv.NewLabel();

                    mv.InvokeOnExactOwner(m_hasValue);
                    mv.IfZCmp(CompareOperator.EQ, l_hasNoValue);
                    mv.LoadLocal(loc_value);
                    mv.InvokeOnExactOwner(m_getValue);
                    mv.StoreLocal(loc_realValue);
                    mv.LoadLocal(loc_realValue);
                    mv.IfZCmp(CompareOperator.EQ, l_hasNoValue);
                    mv.LoadLocal(loc_realValue);
                    if (!mv.Method.ReturnType.Type.IsValueType)
                    {
                        mv.ValueOf(m_getValue.ReturnType);
                    }
                    mv.ReturnValue();

                    mv.Mark(l_hasNoValue);

                    if (mv.Method.Parameters.Length == 2)
                    {
                        Label l_nullEquivalentValueAllowed = mv.NewLabel();
                        // check null-equi flag
                        mv.LoadArg(1);
                        mv.IfZCmp(CompareOperator.NE, l_nullEquivalentValueAllowed);
                        mv.PushNull();
                        mv.ReturnValue();

                        mv.Mark(l_nullEquivalentValueAllowed);
                    }
                    mv.PushNullOrZero(m_getValue.ReturnType);
                    if (!mv.Method.ReturnType.Type.IsValueType)
                    {
                        mv.ValueOf(m_getValue.ReturnType);
                    }
                }
                else
                {
                    mv.Box(pType);
                }
            }
            mv.Mark(l_finish);
            mv.ReturnValue();
            mv.EndMethod();
        }
示例#15
0
        protected void ImplementSetPrimitives(Member[] primitiveMembers, FieldInstance[] f_primitives, FieldInstance[] f_nullFlags)
        {
            MethodInstance template_m_setPrimitives = new MethodInstance(null, typeof(RootCacheValue), typeof(void), "SetPrimitives", typeof(Object[]));

            IMethodVisitor    mv       = VisitMethod(template_m_setPrimitives);
            LocalVariableInfo loc_item = mv.NewLocal(objType);

            for (int primitiveIndex = 0, size = f_primitives.Length; primitiveIndex < size; primitiveIndex++)
            {
                FieldInstance f_primitive  = f_primitives[primitiveIndex];
                FieldInstance f_nullFlag   = f_nullFlags[primitiveIndex];
                Member        member       = primitiveMembers[primitiveIndex];
                Type          originalType = member.RealType;

                Script script_loadArrayValue = new Script(delegate(IMethodVisitor mg)
                {
                    mg.LoadArg(0);
                    mg.Push(primitiveIndex);
                    mg.ArrayLoad(objType);
                });

                Label l_finish = mv.NewLabel();

                if (f_nullFlag == null)
                {
                    if (!originalType.IsValueType)
                    {
                        mv.PutThisField(f_primitive, script_loadArrayValue);
                        continue;
                    }
                    script_loadArrayValue(mv);
                    mv.StoreLocal(loc_item);
                    mv.LoadLocal(loc_item);
                    mv.IfNull(l_finish);

                    mv.PutThisField(f_primitive, new Script(delegate(IMethodVisitor mg)
                    {
                        mg.LoadLocal(loc_item);
                        mg.Unbox(f_primitive.Type.Type);
                    }));

                    mv.Mark(l_finish);
                    continue;
                }

                Label l_itemIsNull = mv.NewLabel();

                script_loadArrayValue(mv);
                mv.StoreLocal(loc_item);

                mv.LoadLocal(loc_item);
                mv.IfNull(l_itemIsNull);

                mv.PutThisField(f_primitive, delegate(IMethodVisitor mg)
                {
                    mg.LoadLocal(loc_item);
                    mg.Unbox(f_primitive.Type.Type);
                });

                if (f_nullFlag != null)
                {
                    // field is a nullable numeric value in the entity, but a native numeric value in our RCV
                    mv.PutThisField(f_nullFlag, delegate(IMethodVisitor mg)
                    {
                        mg.Push(false);
                    });
                }

                mv.GoTo(l_finish);
                mv.Mark(l_itemIsNull);

                if (f_nullFlag != null)
                {
                    // field is a nullable numeric value in the entity, but a native numeric value in our RCV
                    mv.PutThisField(f_nullFlag, delegate(IMethodVisitor mg)
                    {
                        mg.Push(true);
                    });
                }
                else
                {
                    mv.PutThisField(f_primitive, delegate(IMethodVisitor mg)
                    {
                        mg.PushNullOrZero(f_primitive.Type.Type);
                    });
                }
                mv.Mark(l_finish);
            }
            mv.ReturnValue();
            mv.EndMethod();
        }
示例#16
0
        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();
            }
        }