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/*
* Copyright 2007-2008 Dave Griffith
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.plugins.groovy.codeInspection.threading;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiMethod;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.codeInspection.BaseInspection;
import org.jetbrains.plugins.groovy.codeInspection.BaseInspectionVisitor;
import org.jetbrains.plugins.groovy.codeInspection.utils.ControlFlowUtils;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.path.GrMethodCallExpression;
public class GroovyBusyWaitInspection extends BaseInspection {
@Override
@Nls
@NotNull
public String getGroupDisplayName() {
return THREADING_ISSUES;
}
@Override
@NotNull
public String getDisplayName() {
return "Busy wait";
}
@Override
@NotNull
protected String buildErrorString(Object... infos) {
return "Call to <code>Thread.#ref()</code> in a loop, probably busy-waiting #loc";
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new BusyWaitVisitor();
}
private static class BusyWaitVisitor extends BaseInspectionVisitor {
@Override
public void visitMethodCallExpression(
@NotNull GrMethodCallExpression grMethodCallExpression) {
super.visitMethodCallExpression(grMethodCallExpression);
final GrExpression methodExpression = grMethodCallExpression.getInvokedExpression();
if (!(methodExpression instanceof GrReferenceExpression)) {
return;
}
final GrReferenceExpression reference = (GrReferenceExpression) methodExpression;
final String name = reference.getReferenceName();
if (!"sleep".equals(name)) {
return;
}
final PsiMethod method = grMethodCallExpression.resolveMethod();
if (method == null) {
return;
}
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null || !"java.lang.Thread".equals(containingClass.getQualifiedName())) {
return;
}
if (!ControlFlowUtils.isInLoop(grMethodCallExpression)) {
return;
}
registerMethodCallError(grMethodCallExpression);
}
}
}
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