@JRubyMethod(
name = {"create_invoker", "createInvoker"},
required = 5)
public IRubyObject createInvoker(ThreadContext context, IRubyObject[] args) {
RubyArray paramTypes = (RubyArray) args[3];
NativeParam[] nativeParamTypes = new NativeParam[paramTypes.size()];
for (int i = 0; i < paramTypes.size(); ++i) {
IRubyObject obj = (IRubyObject) paramTypes.entry(i);
if (obj instanceof NativeParam) {
nativeParamTypes[i] = (NativeParam) obj;
} else if (obj instanceof RubyInteger) {
nativeParamTypes[i] = NativeType.valueOf(Util.int32Value(obj));
} else {
context.getRuntime().newArgumentError("Invalid parameter type");
}
}
try {
return createInvoker(
context.getRuntime(),
args[0].isNil() ? null : args[0].toString(),
args[1].toString(),
NativeType.valueOf(Util.int32Value(args[2])),
nativeParamTypes,
args[4].toString());
} catch (UnsatisfiedLinkError ex) {
return context.getRuntime().getNil();
}
}
public void put(
ThreadContext context,
StructLayout.Storage cache,
Member m,
IRubyObject ptr,
IRubyObject value) {
if (value instanceof Pointer) {
m.getMemoryIO(ptr).putMemoryIO(m.offset, ((Pointer) value).getMemoryIO());
} else if (value instanceof Struct) {
MemoryIO mem = ((Struct) value).getMemoryIO();
if (!(mem instanceof DirectMemoryIO)) {
throw context
.getRuntime()
.newArgumentError("Struct memory not backed by a native pointer");
}
m.getMemoryIO(ptr).putMemoryIO(m.offset, mem);
} else if (value instanceof RubyInteger) {
m.getMemoryIO(ptr).putAddress(m.offset, Util.int64Value(ptr));
} else if (value.respondsTo("to_ptr")) {
IRubyObject addr = value.callMethod(context, "to_ptr");
if (addr instanceof Pointer) {
m.getMemoryIO(ptr).putMemoryIO(m.offset, ((Pointer) addr).getMemoryIO());
} else {
throw context.getRuntime().newArgumentError("Invalid pointer value");
}
} else if (value.isNil()) {
m.getMemoryIO(ptr).putAddress(m.offset, 0L);
} else {
throw context.getRuntime().newArgumentError("Invalid pointer value");
}
cache.putReference(m, value);
}
public final void marshal(
ThreadContext context, InvocationBuffer buffer, IRubyObject parameter) {
if (parameter instanceof RubyString) {
Util.checkStringSafety(context.getRuntime(), parameter);
ByteList bl = ((RubyString) parameter).getByteList();
buffer.putArray(
bl.unsafeBytes(), bl.begin(), bl.length(), ArrayFlags.IN | ArrayFlags.NULTERMINATE);
} else if (parameter.isNil()) {
buffer.putAddress(0);
} else {
throw context.getRuntime().newArgumentError("Invalid string parameter");
}
}
public final void marshal(
Invocation invocation, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putLong(Util.uint64Value(parameter));
}
public final void marshal(
ThreadContext context, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putLong(Util.uint64Value(parameter));
}
public final void marshal(
Invocation invocation, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putInt((int) Util.uint32Value(parameter));
}
public final void marshal(
Invocation invocation, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putShort(Util.int16Value(parameter));
}
public final void marshal(
ThreadContext context, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putShort(Util.int16Value(parameter));
}
public final IRubyObject invoke(Ruby runtime, Function function, HeapInvocationBuffer args) {
return Util.newSigned32(runtime, invoker.invokeInt(function, args));
}
public final IRubyObject invoke(
ThreadContext context, Function function, HeapInvocationBuffer args) {
return Util.newUnsigned64(context.getRuntime(), invoker.invokeLong(function, args));
}
public final IRubyObject invoke(
ThreadContext context, Function function, HeapInvocationBuffer args) {
return Util.newSigned16(context.getRuntime(), (short) invoker.invokeInt(function, args));
}
public final int intValue(ThreadContext context, IRubyObject obj) {
return (int) Util.uint32Value(obj);
}
public final int intValue(ThreadContext context, IRubyObject obj) {
return Util.int16Value(obj);
}
public final IRubyObject fromNative(ThreadContext context, int value) {
return Util.newUnsigned32(context.getRuntime(), value);
}
public final IRubyObject fromNative(ThreadContext context, int value) {
return Util.newSigned16(context.getRuntime(), (short) value);
}
public final IRubyObject invoke(Ruby runtime, Function function, HeapInvocationBuffer args) {
return Util.newUnsigned64(runtime, invoker.invokeLong(function, args));
}
private final void checkBounds(long off, long len) {
Util.checkBounds(runtime, size, off, len);
}
public void marshal(Invocation invocation, InvocationBuffer buffer, IRubyObject parameter) {
buffer.putByte(Util.int8Value(parameter));
}
private final long getOffset(IRubyObject index) {
return getOffset(Util.int32Value(index));
}
@JRubyMethod(name = {"error=", "last_error="})
public IRubyObject getLastError(ThreadContext context, IRubyObject error) {
setLastError(Util.int32Value(error));
return context.getRuntime().getNil();
}