if (oldBuffer != null) {
if (newLevel == oldContext) {
/* End of old expression. */
String oldExpr = oldBuffer.toString();
oldParameters.add(
new VariableModel(ElementKind.PARAMETER, oldName,
new ClassName("java/lang/Object")));
oldParametersCode.add(oldExpr);
oldParametersLineNumbers.add(lineNumber);
/* Pad buffer (for error reporting purposes). */