ParseError yyError = ParseError.DUMMY;
// Alternative 1.
yyResult = pintegerLiteral(yyStart);
yyError = yyResult.select(yyError);
if (yyResult.hasValue()) {
String v$g$1 = yyResult.semanticValue();
yyValue = GNode.create("IntegerLiteral", v$g$1);
yyValue.setLocation(location(yyStart));