public static RubyString getArgumentDefinition(
Ruby runtime,
ThreadContext context,
Node node,
RubyString type,
IRubyObject self,
Block block) {
if (node == null) return type;
if (node instanceof ArrayNode) {
ArrayNode list = (ArrayNode) node;
int size = list.size();
for (int i = 0; i < size; i++) {
if (list.get(i).definition(runtime, context, self, block) == null) return null;
}
} else if (node.definition(runtime, context, self, block) == null) {
return null;
}
return type;
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
RubyString definition = expressionNode.definition(runtime, context, self, aBlock);
return definition != null ? definition : runtime.getNil();
}