private void GeneratePropertySetMethod(PropertyInfo propertyInfo, AttributeAttribute attribute, MethodInfo setMethodInfo)
{
var propertyType = propertyInfo.PropertyType;
var emit = Emit.BuildInstanceMethod(__voidType, new[] { propertyType }, _typeBuilder, setMethodInfo.Name, setMethodInfo.Attributes & ~MethodAttributes.Abstract);
var attributeType = __attributeType.MakeGenericType(_type, propertyInfo.PropertyType);
var setValueMethodInfo = attributeType.GetProperty("Value", propertyType).GetSetMethod();
var nodeLocal = emit.DeclareLocal(attributeType);
var label = emit.DefineLabel();
emit.LoadArgument(0);
emit.LoadConstant(attribute.LocalName ?? propertyInfo.Name);
emit.CallVirtual(__getAttributeNodeMethodInfo);
emit.IsInstance(attributeType);
emit.StoreLocal(nodeLocal);
emit.LoadLocal(nodeLocal);
emit.LoadNull();
emit.BranchIfEqual(label);
//emit.UnsignedBranchIfNotEqual(label);
emit.LoadLocal(nodeLocal);
emit.LoadArgument(1);
emit.CallVirtual(setValueMethodInfo);
emit.MarkLabel(label);
emit.Return();
_typeBuilder.DefineMethodOverride(emit.CreateMethod(), setMethodInfo);
}
private void GeneratePropertyGetMethod(PropertyInfo propertyInfo, AttributeAttribute attribute, MethodInfo getMethodInfo)
{
var propertyType = propertyInfo.PropertyType;
var emit = Emit.BuildInstanceMethod(propertyType, __emptyTypes, _typeBuilder, getMethodInfo.Name, getMethodInfo.Attributes & ~MethodAttributes.Abstract);
var attributeType = __attributeType.MakeGenericType(_type, propertyInfo.PropertyType);
var getValueMethodInfo = attributeType.GetProperty("Value", propertyType).GetGetMethod();
var nodeLocal = emit.DeclareLocal(attributeType);
var resultLocal = emit.DeclareLocal(propertyInfo.PropertyType);
var label1 = emit.DefineLabel();
var label2 = emit.DefineLabel();
emit.LoadArgument(0);
emit.LoadConstant(attribute.LocalName ?? propertyInfo.Name);
emit.CallVirtual(__getAttributeNodeMethodInfo);
emit.IsInstance(attributeType);
emit.StoreLocal(nodeLocal);
emit.LoadLocal(nodeLocal);
emit.LoadNull();
emit.BranchIfEqual(label1);
//emit.UnsignedBranchIfNotEqual(label1);
emit.LoadLocal(nodeLocal);
emit.CallVirtual(getValueMethodInfo);
emit.StoreLocal(resultLocal);
emit.Branch(label2);
emit.MarkLabel(label1);
emit.WriteLine("Get: {0}", nodeLocal);
if (propertyType.IsValueType)
{
emit.LoadLocalAddress(resultLocal);
emit.InitializeObject(propertyType);
}
else
{
emit.LoadNull();
emit.StoreLocal(resultLocal);
}
emit.Branch(label2);
emit.MarkLabel(label2);
emit.LoadLocal(resultLocal);
emit.Return();
_typeBuilder.DefineMethodOverride(emit.CreateMethod(), getMethodInfo);
}