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/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.ui.text;
import org.eclipse.core.runtime.CoreException;
/**
* Interface to be implemented by contributors to the extension point
* <code>org.eclipse.cdt.ui.quickAssistProcessors</code>.
*
* @since 5.1
*/
public interface IQuickAssistProcessor {
/**
* Evaluates if quick assists can be created for the given context. This evaluation must be precise.
*
* @param context The invocation context
* @return Returns <code>true</code> if quick assists can be created
* @throws CoreException CoreException can be thrown if the operation fails
*/
boolean hasAssists(IInvocationContext context) throws CoreException;
/**
* Collects quick assists for the given context.
*
* @param context Defines current translation unit, position and a shared AST
* @param locations The locations of problems at the invocation offset. The processor can decide to only
* add assists when there are no errors at the selection offset.
* @return Returns the assists applicable at the location or <code>null</code> if no proposals
* can be offered.
* @throws CoreException CoreException can be thrown if the operation fails
*/
ICCompletionProposal[] getAssists(IInvocationContext context, IProblemLocation[] locations) throws CoreException;
}
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