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/*******************************************************************************
* Copyright (c) 2009, 2021 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Evgeny Mandrikov - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.internal.analysis.filter;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.MethodNode;
/**
* Filters methods that Kotlin compiler generates for non-overridden
* non-abstract methods of interfaces.
*/
final class KotlinDefaultMethodsFilter implements IFilter {
public void filter(final MethodNode methodNode,
final IFilterContext context, final IFilterOutput output) {
if (!KotlinGeneratedFilter.isKotlinClass(context)) {
return;
}
new Matcher().match(methodNode, output);
}
private static class Matcher extends AbstractMatcher {
private void match(final MethodNode methodNode,
final IFilterOutput output) {
firstIsALoad0(methodNode);
nextIs(Opcodes.INVOKESTATIC);
if (cursor != null && ((MethodInsnNode) cursor).owner
.endsWith("$DefaultImpls")) {
output.ignore(methodNode.instructions.getFirst(),
methodNode.instructions.getLast());
}
}
}
}
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