public static LispObject evaluate(String name, Environment environment, List<LispObject> args) {
for (Class c : getSubroutineContainers()) {
for (Method m : c.getMethods()) {
Subroutine annotation = m.getAnnotation(Subroutine.class);
if (annotation == null || !annotation.value().equals(name)) continue;
if (!Arrays.asList(mySpecialForms).contains(c)) {
if (!environment.areArgumentsEvaluated()) {
for (int i = 0, dataSize = args.size(); i < dataSize; i++) {
args.set(i, args.get(i).evaluate(environment));
}
} else {
environment.setArgumentsEvaluated(false);
}
}
ArgumentsList arguments = parseArguments(m, environment, args);
checkArguments(name, arguments, args);
try {
return (LispObject) m.invoke(null, arguments.getValues());
} catch (IllegalAccessException | InvocationTargetException e) {
if (e.getCause().getMessage() == null) e.getCause().printStackTrace();
else System.err.println(e.getCause().getMessage());
Throwable cause = getCause(e);
if (cause instanceof LispThrow) throw (LispThrow) cause;
if (cause instanceof VoidVariableException && TestMode.TEST && c == Key.class) {
System.err.println("Skip keymap errors in test mode");
return LispSymbol.ourNil;
}
if (cause instanceof LispException) throw (LispException) cause;
cause.printStackTrace();
throw new LispException(e.getCause().getMessage());
}
}
}
throw new InternalException(JelispBundle.message("unknown.subroutine", name));
}
private static ArgumentsList parseArguments(
Method m, Environment environment, List<LispObject> args) {
Type[] parametersTypes = m.getGenericParameterTypes();
Annotation[][] parametersAnnotations = m.getParameterAnnotations();
if (parametersAnnotations.length != parametersTypes.length) {
throw new InternalException(JelispBundle.message("subroutine.args.properties.mismatch"));
}
ArgumentsList arguments = new ArgumentsList();
setOptional(arguments, parametersAnnotations, parametersTypes);
int nActual = args.size();
if (parametersTypes.length != 0) {
if (parametersTypes[0].equals(Environment.class)) {
++nActual;
arguments.setValue(0, environment);
}
}
if ((nActual < arguments.getRequiredSize())
|| (nActual > parametersTypes.length && !m.isVarArgs()))
throw new WrongNumberOfArgumentsException(m.getAnnotation(Subroutine.class).value(), nActual);
return arguments;
}