private abstract static class BaseInvoker implements Invoker {
final Function jffiFunction;
final com.kenai.jffi.Invoker jffiInvoker = com.kenai.jffi.Invoker.getInstance();
final ParameterMarshaller[] marshallers;
final int arity;
public BaseInvoker(Function function, ParameterMarshaller[] marshallers) {
this.jffiFunction = function;
this.marshallers = marshallers;
this.arity = marshallers.length;
}
final HeapInvocationBuffer convertArguments(PyObject[] args) {
checkArity(args);
HeapInvocationBuffer buffer = new HeapInvocationBuffer(jffiFunction);
for (int i = 0; i < marshallers.length; ++i) {
marshallers[i].marshal(buffer, args[i]);
}
return buffer;
}
public final PyObject invoke() {
return invoke(new PyObject[0]);
}
public final PyObject invoke(PyObject arg0) {
return invoke(new PyObject[] {arg0});
}
public final PyObject invoke(PyObject arg0, PyObject arg1) {
return invoke(new PyObject[] {arg0, arg1});
}
public final PyObject invoke(PyObject arg0, PyObject arg1, PyObject arg2) {
return invoke(new PyObject[] {arg0, arg1, arg2});
}
final void checkArity(PyObject[] args) {
checkArity(args.length);
}
final void checkArity(int got) {
if (got != arity) {
throw Py.TypeError(String.format("expected %d args; got %d", arity, got));
}
}
}
private abstract static class BaseInvoker implements FunctionInvoker {
static final Invoker invoker = Invoker.getInstance();
}