@Nullable
public static JetExpression getBaseExpressionIfLabeledExpression(
@NotNull JetPrefixExpression expression) {
if (isLabeledExpression(expression)) {
return expression.getBaseExpression();
}
return null;
}
public static boolean isLabeledExpression(JetPrefixExpression expression) {
return JetTokens.LABELS.contains(
expression.getOperationReference().getReferencedNameElementType());
}