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/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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 com.android.tools.layoutlib.create;
import com.android.tools.layoutlib.annotations.NotNull;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
/**
* {@link MethodVisitor} that replaces the method the implementation of the method with
* <code>
* throw new RuntimeException("Stub!");
* </code>
*/
public class StubExceptionMethodAdapter extends MethodVisitor {
private final MethodVisitor mParentVisitor;
public StubExceptionMethodAdapter(@NotNull MethodVisitor mv, @NotNull String methodName,
@NotNull Type returnType, @NotNull String invokeSignature, boolean isStatic,
boolean isNative) {
super(Main.ASM_VERSION, null);
mParentVisitor = mv;
}
@Override
public void visitCode() {
mParentVisitor.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
mParentVisitor.visitInsn(Opcodes.DUP);
mParentVisitor.visitLdcInsn("Stub!");
mParentVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException",
"<init>", "(Ljava" + "/lang/String;)V", false);
mParentVisitor.visitInsn(Opcodes.ATHROW);
mParentVisitor.visitMaxs(3, 1);
mParentVisitor.visitEnd();
}
}
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