yyValue = GNode.create("ExistentialClause", v$g$1, v$g$2, v$g$3);
yyValue.setLocation(location(yyStart));
return yyResult.createValue(yyValue, yyError);
} else {
yyError = yyError.select("'}' expected", yyBase);
}
} // End scope for v$g$3.
}
} else {
yyError = yyError.select("'{' expected", yyBase);