public virtual void IfNull(Label label)
{
if (mv != null)
{
mv.IfNull(label);
}
}
/**
* 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);
}
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();
}
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();
}
