public IRubyObject get(
ThreadContext context, StructLayout.Storage cache, Member m, IRubyObject ptr) {
final long address = ((Pointer) ptr).getMemoryIO().getAddress(m.getOffset(ptr));
AbstractInvoker fptr = (AbstractInvoker) cache.getCachedValue(m);
if (fptr != null && fptr.getAddress() == address) {
return fptr;
}
fptr =
Factory.getInstance()
.newFunction(
context.getRuntime(),
((Pointer) ptr).getPointer(context.getRuntime(), m.getOffset(ptr)),
(CallbackInfo) m.type);
cache.putCachedValue(m, fptr);
return fptr;
}
/**
* Registers FFI ruby classes/modules
*
* @param module the module to register the classes under
*/
public void init(Ruby runtime, RubyModule ffi) {
synchronized (ffi) {
if (ffi.getClass("Type") == null) {
Type.createTypeClass(runtime, ffi);
}
DataConverter.createDataConverterModule(runtime, ffi);
if (ffi.getClass(AbstractMemory.ABSTRACT_MEMORY_RUBY_CLASS) == null) {
AbstractMemory.createAbstractMemoryClass(runtime, ffi);
}
if (ffi.getClass("Buffer") == null) {
Buffer.createBufferClass(runtime, ffi);
}
if (ffi.getClass("Pointer") == null) {
Pointer.createPointerClass(runtime, ffi);
}
if (ffi.getClass("AutoPointer") == null) {
AutoPointer.createAutoPointerClass(runtime, ffi);
}
if (ffi.getClass("MemoryPointer") == null) {
MemoryPointer.createMemoryPointerClass(runtime, ffi);
}
if (ffi.getClass("Struct") == null) {
Struct.createStructClass(runtime, ffi);
}
if (ffi.getClass(StructLayout.CLASS_NAME) == null) {
StructLayout.createStructLayoutClass(runtime, ffi);
}
if (ffi.getClass("StructByValue") == null) {
StructByValue.createStructByValueClass(runtime, ffi);
}
if (ffi.getClass(AbstractInvoker.CLASS_NAME) == null) {
AbstractInvoker.createAbstractInvokerClass(runtime, ffi);
}
if (ffi.getClass(CallbackInfo.CLASS_NAME) == null) {
CallbackInfo.createCallbackInfoClass(runtime, ffi);
}
if (ffi.getClass("Enum") == null) {
Enum.createEnumClass(runtime, ffi);
}
if (ffi.getClass("Type").getClass("Mapped") == null) {
MappedType.createConverterTypeClass(runtime, ffi);
}
if (ffi.getClass(FileDescriptorIO.CLASS_NAME) == null) {
FileDescriptorIO.createFileDescriptorIOClass(runtime, ffi);
}
ffi.setConstant("TypeDefs", RubyHash.newHash(runtime));
Platform.createPlatformModule(runtime, ffi);
IOModule.createIOModule(runtime, ffi);
StructByReference.createStructByReferenceClass(runtime, ffi);
}
}
