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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package jdk.nashorn.internal.runtime.linker;
import jdk.nashorn.internal.runtime.ECMAErrors;
import jdk.nashorn.internal.runtime.ECMAException;
/**
* A result of generating an adapter for a class. A tuple of an outcome and - in case of an error outcome - a list of
* classes that caused the error.
*/
final class AdaptationResult {
/**
* Contains various outcomes for attempting to generate an adapter class. These are stored in AdapterInfo instances.
* We have a successful outcome (adapter class was generated) and four possible error outcomes: superclass is final,
* superclass is not public, superclass has no public or protected constructor, more than one superclass was
* specified. We don't throw exceptions when we try to generate the adapter, but rather just record these error
* conditions as they are still useful as partial outcomes, as Nashorn's linker can still successfully check whether
* the class can be autoconverted from a script function even when it is not possible to generate an adapter for it.
*/
enum Outcome {
SUCCESS,
ERROR_FINAL_CLASS,
ERROR_NON_PUBLIC_CLASS,
ERROR_NO_ACCESSIBLE_CONSTRUCTOR,
ERROR_MULTIPLE_SUPERCLASSES,
ERROR_NO_COMMON_LOADER,
ERROR_FINAL_FINALIZER,
ERROR_OTHER
}
static final AdaptationResult SUCCESSFUL_RESULT = new AdaptationResult(Outcome.SUCCESS, "");
private final Outcome outcome;
private final RuntimeException cause;
private final String[] messageArgs;
AdaptationResult(final Outcome outcome, final RuntimeException cause, final String... messageArgs) {
this.outcome = outcome;
this.cause = cause;
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