public static RubyClass createThreadClass(Ruby runtime) {
// FIXME: In order for Thread to play well with the standard 'new' behavior,
// it must provide an allocator that can create empty object instances which
// initialize then fills with appropriate data.
RubyClass threadClass =
runtime.defineClass(
"Thread", runtime.getObject(), ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
runtime.setThread(threadClass);
threadClass.index = ClassIndex.THREAD;
threadClass.setReifiedClass(RubyThread.class);
threadClass.defineAnnotatedMethods(RubyThread.class);
RubyThread rubyThread = new RubyThread(runtime, threadClass);
// TODO: need to isolate the "current" thread from class creation
rubyThread.threadImpl = new NativeThread(rubyThread, Thread.currentThread());
runtime.getThreadService().setMainThread(Thread.currentThread(), rubyThread);
// set to default thread group
runtime.getDefaultThreadGroup().addDirectly(rubyThread);
threadClass.setMarshal(ObjectMarshal.NOT_MARSHALABLE_MARSHAL);
return threadClass;
}
public static RubyClass createConverterClass(Ruby runtime) {
RubyClass converterc =
runtime.defineClassUnder(
"Converter", runtime.getClass("Data"), CONVERTER_ALLOCATOR, runtime.getEncoding());
runtime.setConverter(converterc);
converterc.index = ClassIndex.CONVERTER;
converterc.setReifiedClass(RubyConverter.class);
converterc.kindOf = new RubyModule.JavaClassKindOf(RubyConverter.class);
converterc.defineAnnotatedMethods(RubyConverter.class);
return converterc;
}
public static RubyClass createPointerClass(Ruby runtime, RubyModule module) {
RubyClass pointerClass =
module.defineClassUnder(
"Pointer",
module.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS),
RubyInstanceConfig.REIFY_RUBY_CLASSES
? new ReifyingAllocator(Pointer.class)
: PointerAllocator.INSTANCE);
pointerClass.defineAnnotatedMethods(Pointer.class);
pointerClass.defineAnnotatedConstants(Pointer.class);
pointerClass.setReifiedClass(Pointer.class);
pointerClass.kindOf =
new RubyModule.KindOf() {
@Override
public boolean isKindOf(IRubyObject obj, RubyModule type) {
return obj instanceof Pointer && super.isKindOf(obj, type);
}
};
module.defineClassUnder(
"NullPointerError", runtime.getRuntimeError(), runtime.getRuntimeError().getAllocator());
// Add Pointer::NULL as a constant
Pointer nullPointer = new Pointer(runtime, pointerClass, new NullMemoryIO(runtime));
pointerClass.setConstant("NULL", nullPointer);
runtime
.getNilClass()
.addMethod("to_ptr", new NilToPointerMethod(runtime.getNilClass(), nullPointer));
return pointerClass;
}