private <T> T call(
MethodType type,
Class<T> returnType,
Object receiver,
String methodName,
Block block,
EmbedEvalUnit unit,
Object... args) {
if (methodName == null || methodName.length() == 0) {
return null;
}
Ruby runtime = container.getProvider().getRuntime();
RubyObject rubyReceiver = getReceiverObject(runtime, receiver);
boolean sharing_variables = true;
Object obj = container.getAttribute(AttributeName.SHARING_VARIABLES);
if (obj != null && obj instanceof Boolean && ((Boolean) obj) == false) {
sharing_variables = false;
}
try {
if (sharing_variables) {
ManyVarsDynamicScope scope;
if (unit != null && unit.getScope() != null) scope = unit.getScope();
else scope = EmbedRubyRuntimeAdapterImpl.getManyVarsDynamicScope(container, 0);
container.getVarMap().inject(scope, 0, rubyReceiver);
runtime.getCurrentContext().pushScope(scope);
}
IRubyObject result = callEachType(type, rubyReceiver, methodName, block, args);
if (sharing_variables) {
container.getVarMap().retrieve(rubyReceiver);
}
if (!(result instanceof RubyNil) && returnType != null) {
Object ret = JavaEmbedUtils.rubyToJava(runtime, result, returnType);
return ret != null ? returnType.cast(ret) : null;
}
return null;
} catch (RaiseException e) {
runtime.printError(e.getException());
throw new InvokeFailedException(e.getMessage(), e);
} catch (Throwable e) {
throw new InvokeFailedException(e);
} finally {
if (sharing_variables) {
runtime.getCurrentContext().popScope();
}
}
}
