public void writeFetchNextNode(WrapperSourceWriter s) {
s.writeStatement("PairList.Node node = argIt.nextNode()");
s.writeStatement("SEXP value = node.getValue()");
s.writeBeginBlock("if(Symbol.MISSING_ARG.equals(value)) {");
s.writeStatement("evaled = value");
s.outdent();
s.writeBeginBlock("} else {");
s.writeStatement("evaled = context.evaluate( value, rho)");
s.writeCloseBlock();
}
public void finish() {
if (count > 0) {
s.writeCloseBlock();
}
}
