|
public CreateNativeBehavior ( IBehavior superclass, |
||
| superclass | IBehavior | |
| type | ||
| return | IBehavior | |
protected override object DoesNotUnderstand(Machine machine, IObject self, string msgname, object[] args)
{
if (self != null && !(self is IBehavior))
return base.DoesNotUnderstand(machine, self, msgname, args);
if (msgname.Equals("new"))
return ((IBehavior)self).NewObject();
if (msgname.StartsWith("commentStamp:"))
return new ChunkReaderProcessor((Machine mach, ICompiler compiler, string text) => { }, 1);
if (msgname == "methods" || msgname.StartsWith("methodsFor:"))
{
IBehavior behavior = (IBehavior)self;
return new ChunkReaderProcessor((Machine mach, ICompiler compiler, string text) =>
{
var method = compiler.CompileInstanceMethod(text, behavior);
if (reservedMethods.Contains(method.Name))
return;
if (reservedRedefinedMethods.Contains(method.Name) && behavior.GetInstanceMethod(method.Name) != null)
return;
behavior.DefineInstanceMethod(compiler.CompileInstanceMethod(text, behavior));
});
}
if (msgname.StartsWith("new:") && self is NativeBehavior)
return ((NativeBehavior)self).CreateObject(args);
if (msgname.Equals("subclass:") || msgname.Equals("agent:"))
{
IClass newclass = machine.CreateClass((string)args[0], (IClass)self);
machine.SetCurrentEnvironmentObject(newclass.Name, newclass);
if (msgname.Equals("agent:"))
((BaseClass)newclass).IsAgentClass = true;
return newclass;
}
if (msgname.Equals("subclass:instanceVariableNames:") ||
msgname.Equals("subclass:instanceVariableNames:classVariableNames:poolDictionaries:category:") ||
msgname.Equals("variableSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:") ||
// TODO weakSubclass because Pharo Kernel Objects defines one, WeakMessageSend
msgname.Equals("weakSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:") ||
// TODO variableWordSubclass because Pharo Kernel Number use it
msgname.Equals("variableWordSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:") ||
// TODO variableByteSubclass because Pharo Kernel Number use it
msgname.Equals("variableByteSubclass:instanceVariableNames:classVariableNames:poolDictionaries:category:") ||
msgname.Equals("agent:instanceVariableNames:") ||
msgname.Equals("agent:instanceVariableNames:classVariableNames:poolDictionaries:category:"))
{
string clsname = (string)args[0];
string instancevarnames = (string)args[1];
string classvarnames = args.Length > 2 ? (string)args[2] : string.Empty;
IClass newclass = machine.CreateClass((string)args[0], (IClass)self, instancevarnames, classvarnames);
if (msgname.StartsWith("agent:"))
((BaseClass)newclass).IsAgentClass = true;
if (msgname.StartsWith("variableSubclass:") || msgname.StartsWith("variableWordSubclass:"))
((BaseClass)newclass).IsIndexed = true;
if (args.Length >= 5)
((BaseClass)newclass).Category = (string)args[4];
machine.SetCurrentEnvironmentObject(newclass.Name, newclass);
return newclass;
}
if (msgname.Equals("subclass:nativeType:"))
{
Type type = (Type)args[1];
NativeBehavior newbehavior = machine.GetNativeBehavior(type);
if (newbehavior == null)
{
newbehavior = (NativeBehavior)machine.CreateNativeBehavior((IClassDescription)self, type);
machine.RegisterNativeBehavior(newbehavior.NativeType, newbehavior);
}
else if (newbehavior.SuperClass != self)
newbehavior.SetSuperClass((IBehavior)self);
machine.SetCurrentEnvironmentObject((string)args[0], newbehavior);
return newbehavior;
}
if (msgname.Equals("instanceVariableNames:"))
{
string names = (string)args[0];
if (!string.IsNullOrEmpty(names))
throw new NotSupportedException();
return self;
}
return base.DoesNotUnderstand(machine, self, msgname, args);
}