org.eclipse.jdt.core.dom.NameEnvironmentWithProgress Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2010, 2017 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
* Stephan Herrmann - Contribution for
* Bug 440687 - [compiler][batch][null] improve command line option for external annotations
*******************************************************************************/
package org.eclipse.jdt.core.dom;
import static org.eclipse.jdt.internal.core.JavaModelManager.trace;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.batch.ClasspathDirectory;
import org.eclipse.jdt.internal.compiler.batch.FileSystem;
import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilation;
import org.eclipse.jdt.internal.core.INameEnvironmentWithProgress;
import org.eclipse.jdt.internal.core.NameLookup;
/**
* Batch name environment that can be canceled using a monitor.
* @since 3.6
*/
class NameEnvironmentWithProgress extends FileSystem implements INameEnvironmentWithProgress {
IProgressMonitor monitor;
public NameEnvironmentWithProgress(Classpath[] paths, String[] initialFileNames, IProgressMonitor monitor) {
super(paths, initialFileNames, false);
setMonitor(monitor);
}
private void checkCanceled() {
if (this.monitor != null && this.monitor.isCanceled()) {
if (NameLookup.VERBOSE) {
trace(Thread.currentThread() + " CANCELLING LOOKUP "); //$NON-NLS-1$
}
throw new AbortCompilation(true/*silent*/, new OperationCanceledException());
}
}
@Override
public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName, char[] moduleName) {
return findType(typeName, packageName, true, moduleName);
}
@Override
public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName, boolean searchWithSecondaryTypes, char[] moduleName) {
checkCanceled();
NameEnvironmentAnswer answer = super.findType(typeName, packageName, moduleName);
if (answer == null && searchWithSecondaryTypes) {
NameEnvironmentAnswer suggestedAnswer = null;
String qualifiedPackageName = new String(CharOperation.concatWith(packageName, '/'));
String qualifiedTypeName = new String(CharOperation.concatWith(packageName, typeName, '/'));
String qualifiedBinaryFileName = qualifiedTypeName + SUFFIX_STRING_class;
for (int i = 0, length = this.classpaths.length; i < length; i++) {
if (!(this.classpaths[i] instanceof ClasspathDirectory)) continue;
ClasspathDirectory classpathDirectory = (ClasspathDirectory) this.classpaths[i];
LookupStrategy strategy = LookupStrategy.get(moduleName);
if (!strategy.matchesWithName(classpathDirectory,
loc -> loc.getModule() != null,
loc -> loc.servesModule(moduleName))) {
continue;
}
answer = classpathDirectory.findSecondaryInClass(typeName, qualifiedPackageName, qualifiedBinaryFileName);
if (answer != null) {
if (!answer.ignoreIfBetter()) {
if (answer.isBetter(suggestedAnswer))
return answer;
} else if (answer.isBetter(suggestedAnswer))
// remember suggestion and keep looking
suggestedAnswer = answer;
}
}
}
return answer;
}
@Override
public NameEnvironmentAnswer findType(char[][] compoundName) {
checkCanceled();
return super.findType(compoundName);
}
@Override
public boolean isPackage(char[][] compoundName, char[] packageName) {
checkCanceled();
return super.isPackage(compoundName, packageName);
}
@Override
public void setMonitor(IProgressMonitor monitor) {
this.monitor = monitor;
}
}