/** Invokes a given method via {@link Method#invoke(Object, Object...)}. */
default Object invoke(ResolvedJavaMethod method, Object receiver, Object... args) {
try {
JavaType[] parameterTypes = method.toParameterTypes();
Class<?>[] parameterClasses = new Class<?>[parameterTypes.length];
for (int i = 0; i < parameterClasses.length; ++i) {
JavaType type = parameterTypes[i];
if (type.getJavaKind() != JavaKind.Object) {
parameterClasses[i] = type.getJavaKind().toJavaClass();
} else {
parameterClasses[i] = resolveClassForSnippet(parameterTypes[i]);
}
}
Class<?> c = resolveClassForSnippet(method.getDeclaringClass());
if (method.isConstructor()) {
Constructor<?> javaConstructor = c.getDeclaredConstructor(parameterClasses);
javaConstructor.setAccessible(true);
return javaConstructor.newInstance(args);
} else {
Method javaMethod = c.getDeclaredMethod(method.getName(), parameterClasses);
javaMethod.setAccessible(true);
return javaMethod.invoke(receiver, args);
}
} catch (IllegalAccessException
| InstantiationException
| InvocationTargetException
| ClassNotFoundException
| NoSuchMethodException ex) {
throw new IllegalArgumentException(ex);
}
}
@Override
public Bytecode getBytecode(ResolvedJavaMethod method) {
Classfile classfile = getClassfile(resolveToClass(method.getDeclaringClass().getName()));
return classfile.getCode(method.getName(), method.getSignature().toMethodDescriptor());
}