#pragma warning disable S125 // Sections of code should not be "commented out"
// <event type> b = (<event type>)FindWeak(<source delegate>, (EventHandler< eventargsType >)value);
#pragma warning restore S125 // Sections of code should not be "commented out"
public ILEmitter GenerateFindWeakIl(MethodDefinition method, VariableDefinition weakEventHandler)
{
var rootEmitter = new EmptyEmitter(method, _moduleimporter);
var handler = rootEmitter.LoadMethodFirstArg();
if (!_isGenericHandler)
{
handler = rootEmitter.DelegateConvert(handler, _closedGenericEventHandler);
}
var callFindWeak = rootEmitter.FindWeak(_closedGenericEventHandler, rootEmitter.LoadField(_eventDelegate), handler);
if (!_isGenericHandler)
{
return rootEmitter.Store(weakEventHandler, rootEmitter.DelegateConvert(callFindWeak, _eventDelegate.FieldType));
}
return rootEmitter.Store(weakEventHandler, callFindWeak);
}
// Wrap the method parameter in a weak event handler and store in a variable.
#pragma warning disable S125 // Sections of code should not be "commented out"
// i.e. <event type> b = (EventHandler)MakeWeak((EventHandler< eventargsType >)value, new Action<(EventHandler< eventargsType >)>(this.<woven unsubscribe action>));
#pragma warning restore S125 // Sections of code should not be "commented out"
public ILEmitter GenerateMakeWeakIl(MethodDefinition method, MethodDefinition unsubscribe, VariableDefinition weakEventHandler)
{
var rootEmitter = new EmptyEmitter(method, _moduleimporter);
var unsubscribeAction = rootEmitter.NewObject(_moduleimporter.ActionOpenCtor.MakeDeclaringTypeClosedGeneric(_closedGenericEventHandler), rootEmitter.LoadMethod(unsubscribe));
ILEmitter genericHandler = rootEmitter.LoadMethodFirstArg();
if (!_isGenericHandler)
{
genericHandler = rootEmitter.DelegateConvert(genericHandler, _closedGenericEventHandler);
}
var genericWeakHandler = rootEmitter.MakeWeak(_closedGenericEventHandler, genericHandler, unsubscribeAction);
if (!_isGenericHandler)
{
return rootEmitter.Store(weakEventHandler, rootEmitter.DelegateConvert(genericWeakHandler, _eventDelegate.FieldType));
}
return rootEmitter.Store(weakEventHandler, genericWeakHandler);
}
