if (unaryExpr != null)
msgs = ((InternalEObject)unaryExpr).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - S3DPackage.PRIMARY_EXPRESSION__UNARY_EXPR, null, msgs);
if (newUnaryExpr != null)
msgs = ((InternalEObject)newUnaryExpr).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - S3DPackage.PRIMARY_EXPRESSION__UNARY_EXPR, null, msgs);
msgs = basicSetUnaryExpr(newUnaryExpr, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, S3DPackage.PRIMARY_EXPRESSION__UNARY_EXPR, newUnaryExpr, newUnaryExpr));
}