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/*******************************************************************************
* Copyright (c) 2015 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.qt.core.qmljs;
/**
* A JavaScript update expression from the <a href="https://github.com/estree/estree/blob/master/spec.md#updateexpression">ESTree
* Specification</a>
*/
public interface IJSUpdateExpression extends IQmlASTNode {
/**
* An Enumeration covering the two update operators in JavaScript
*/
enum UpdateOperator {
Decrement("--"), //$NON-NLS-1$
Increment("++"); //$NON-NLS-1$
public static UpdateOperator fromObject(Object obj) {
if (obj instanceof String) {
for (UpdateOperator op : UpdateOperator.values()) {
if (obj.equals(op.toString())) {
return op;
}
}
}
return null;
}
private final String op;
private UpdateOperator(String op) {
this.op = op;
}
@Override
public String toString() {
return this.op;
}
}
@Override
default String getType() {
return "UpdateExpression"; //$NON-NLS-1$
}
public UpdateOperator getOperator();
public IJSExpression getArgument();
public boolean isPrefix();
}
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