protected override void InitializeFields()
{
base.InitializeFields();
_targetField = new TargetFieldMetadata("_target", _proxyDefinition.TargetType);
Fields.Add(_targetField);
}
private static FieldBuilder GenerateField(TypeBuilder typeBuilder, FieldMetadata fieldMetadata)
{
var field = typeBuilder.DefineField(
fieldMetadata.Name,
fieldMetadata.FieldType,
fieldMetadata.FieldAttributes);
return field;
}
public static MethodMetadata Create(
IProxyDefinitionElement definitionElement,
FieldMetadata targetField,
MethodInfo method)
{
var classProxyDefinition = definitionElement as ClassProxyDefinition;
if (classProxyDefinition != null)
{
return new ClassMethodMetadata(method);
}
var interfaceProxyDefinition = definitionElement as InterfaceProxyDefinition;
if (interfaceProxyDefinition != null)
{
return new NonTargetedMethodMetadata(method);
}
var targetedClassProxyDefinition = definitionElement as TargetedClassProxyDefinition;
if (targetedClassProxyDefinition != null)
{
var targetMethod = MemberLocator.LocateMatchingMethod(method, targetedClassProxyDefinition.TargetType);
return new TargetedMethodMetadata(method, targetField, targetMethod);
}
var targetedInterfaceProxyDefinition = definitionElement as TargetedInterfaceProxyDefinition;
if (targetedInterfaceProxyDefinition != null)
{
var targetMethod = MemberLocator.LocateMatchingMethod(method, targetedInterfaceProxyDefinition.TargetType);
return new TargetedMethodMetadata(method, targetField, targetMethod);
}
var mixinInterfaveDefinition = definitionElement as MixinInterfaceDefinition;
if (mixinInterfaveDefinition != null)
{
var targetMethod = MemberLocator.LocateMatchingMethod(method, mixinInterfaveDefinition.MixinType);
return new TargetedMethodMetadata(method, targetField, targetMethod);
}
var nonTargetefInterfaceDefinition = definitionElement as NonTargetedInterfaceDefinition;
if (nonTargetefInterfaceDefinition != null)
{
return new NonTargetedMethodMetadata(method);
}
throw new NotSupportedException();
}
public TargetedMethodMetadata(MethodInfo method, FieldMetadata targetField, MethodInfo targetMethod)
: base(method)
{
_targetField = targetField;
_targetMethod = targetMethod;
_methodAttributes = method.Attributes;
_methodAttributes &= ~MethodAttributes.NewSlot;
_methodAttributes &= ~MethodAttributes.Abstract;
_methodAttributes |= MethodAttributes.ReuseSlot | MethodAttributes.Final;
}
private static void InitializeField(
ILGenerator il,
FieldMetadata instanceField,
ConstructorParameterMetadata dispatcherParameter,
FieldMetadataFieldBuilderMap fieldBuilders)
{
var fieldBuilder = fieldBuilders[instanceField];
new StoreFieldStatement(fieldBuilder,
new LoadArgumentExpression(dispatcherParameter.Sequence)
).Emit(il);
}
public TypeMetadata(
string name,
Type baseType,
Type[] interfaces,
DispatcherFieldMetadata dispatcherField,
FieldMetadata[] fields,
ConstructorMetadata[] constructors,
MethodMetadata[] methods,
PropertyMetadata[] properties,
EventMetadata[] events,
TargetMetadata[] targets)
{
_name = name;
_baseType = baseType;
_interfaces = interfaces;
_dispatcherField = dispatcherField;
_fields = fields;
_constructors = constructors;
_methods = methods;
_properties = properties;
_events = events;
_targets = targets;
}
public ConstructorTargetParameterMetadata(int sequence, string name, FieldMetadata instanceField)
: base(sequence, name, instanceField.FieldType)
{
_instanceField = instanceField;
}
private MethodMetadata CreateMethodMetadata(
IProxyDefinitionElement definition,
FieldMetadata targetField,
MethodInfo method,
bool implementExplicitly)
{
var result = MethodMetadataFactory.Create(definition, targetField, method);
if (implementExplicitly)
{
result.UseExplicitInterfaceImplementation();
}
_methods.Add(result);
return result;
}
protected void InitializeDefinitionProperties(
IProxyDefinitionElement definition,
FieldMetadata targetField,
bool implementExplicitly)
{
var properties = definition.Type.GetProperties(ProxyBindingFlags);
for (var i = 0; i < properties.Length; i++)
{
var property = properties[i];
var getMethod = property.GetGetMethod();
var setMethod = property.GetSetMethod();
MethodMetadata getMethodMetadata = null;
MethodMetadata setMethodMetadata = null;
if (getMethod != null && getMethod.IsVirtual)
{
getMethodMetadata = CreateMethodMetadata(definition, targetField, getMethod, implementExplicitly);
}
if (setMethod != null && setMethod.IsVirtual)
{
setMethodMetadata = CreateMethodMetadata(definition, targetField, setMethod, implementExplicitly);
}
if (getMethodMetadata != null || setMethodMetadata != null)
{
_properties.Add(new PropertyMetadata(properties[i], getMethodMetadata, setMethodMetadata));
}
}
}
protected void InitializeDefinitionMethods(
IProxyDefinitionElement definition,
FieldMetadata targetField,
bool implementExplicitly)
{
var definitionMethods = definition.Type.GetMethods(ProxyBindingFlags);
for (var i = 0; i < definitionMethods.Length; i++)
{
var method = definitionMethods[i];
if (ShouldBuildMethodMetadata(method))
{
CreateMethodMetadata(definition, targetField, method, implementExplicitly);
}
}
}
protected virtual void InitializeDefinitionEvents(
IProxyDefinitionElement definition,
FieldMetadata targetField,
bool implementExplicitly)
{
var events = definition.Type.GetEvents(ProxyBindingFlags);
for (var i = 0; i < events.Length; i++)
{
var @event = events[i];
var addMethod = @event.GetAddMethod();
var removeMethod = @event.GetRemoveMethod();
var raiseMethod = @event.GetRaiseMethod();
MethodMetadata addMethodMetadata = null;
MethodMetadata removeMethodMetadata = null;
MethodMetadata raiseMethodMetadata = null;
if (addMethod.IsVirtual)
{
addMethodMetadata = CreateMethodMetadata(definition, targetField, addMethod, implementExplicitly);
}
if (removeMethod.IsVirtual)
{
removeMethodMetadata = CreateMethodMetadata(definition, targetField, removeMethod, implementExplicitly);
}
if (raiseMethod != null && raiseMethod.IsVirtual)
{
raiseMethodMetadata = CreateMethodMetadata(definition, targetField, raiseMethod, implementExplicitly);
}
if (addMethodMetadata != null ||
removeMethodMetadata != null ||
raiseMethodMetadata != null)
{
_events.Add(new EventMetadata(events[i], addMethodMetadata, removeMethodMetadata, raiseMethodMetadata));
}
}
}
private static void InitializeTarget(
ILGenerator il,
FieldMetadata instanceField,
Type targetType,
FieldMetadataFieldBuilderMap fieldBuilders)
{
var fieldBuilder = fieldBuilders[instanceField];
var defaultConstructor = targetType.GetConstructor(
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
null,
Type.EmptyTypes,
null);
new StoreFieldStatement(fieldBuilder,
new NewObjectExpression(defaultConstructor)
).Emit(il);
}
