URI functionURI = (URI)uriNode.getValue();
FunctionCall functionCall = new FunctionCall(functionURI.toString());
for (int i = 1; i < node.jjtGetNumChildren(); i++) {
Node argNode = node.jjtGetChild(i);
functionCall.addArg((ValueExpr)argNode.jjtAccept(this, null));
}
return functionCall;
}