| // Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.shaking; |
| |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| class NonVirtualOverrideTestClass { |
| |
| public static void main(String[] args) { |
| A a = new B(); |
| a.m1(); |
| a.m2(); |
| a.m3(); |
| a.m4(); |
| |
| a = new C(); |
| a.m1(); |
| a.m2(); |
| a.m3(); |
| a.m4(); |
| |
| B b = new B(); |
| try { |
| b.m1(); |
| } catch (IllegalAccessError exception) { |
| System.out.println("Caught IllegalAccessError when calling B.m1()"); |
| } |
| try { |
| b.m3(); |
| } catch (IncompatibleClassChangeError exception) { |
| System.out.println("Caught IncompatibleClassChangeError when calling B.m3()"); |
| } |
| |
| try { |
| b = new C(); |
| b.m1(); |
| } catch (IllegalAccessError exception) { |
| System.out.println("Caught IllegalAccessError when calling B.m1()"); |
| } |
| try { |
| b = new C(); |
| b.m3(); |
| } catch (IncompatibleClassChangeError exception) { |
| System.out.println("Caught IncompatibleClassChangeError when calling B.m3()"); |
| } |
| |
| C c = new C(); |
| c.m1(); |
| c.m3(); |
| } |
| } |
| |
| class A { |
| |
| public void m1() { |
| System.out.println("In A.m1()"); |
| } |
| |
| public void m2() { |
| System.out.println("In A.m2()"); |
| } |
| |
| public void m3() { |
| System.out.println("In A.m3()"); |
| } |
| |
| public void m4() { |
| System.out.println("In A.m4()"); |
| } |
| } |
| |
| class B extends A { |
| |
| // Made private in the dump below. This method is targeted and can therefore not be removed. |
| public void m1() { |
| System.out.println("In B.m1()"); |
| } |
| |
| // Made private in the dump below. Ends up being dead code because the method is never called. |
| public void m2() { |
| System.out.println("In B.m2()"); |
| } |
| |
| // Made static in the dump below. This method is targeted and can therefore not be removed. |
| public void m3() { |
| System.out.println("In B.m3()"); |
| } |
| |
| // Made static in the dump below. Ends up being dead code because the method is never called. |
| public void m4() { |
| System.out.println("In B.m4()"); |
| } |
| } |
| |
| class C extends B { |
| |
| public void m1() { |
| System.out.println("In C.m1()"); |
| } |
| |
| public void m3() { |
| System.out.println("In C.m3()"); |
| } |
| } |
| |
| /* Below are dumps from the classes above with the changes to B as described */ |
| |
| class NonVirtualOverrideTestClassDump implements Opcodes { |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_SUPER, |
| "com/android/tools/r8/shaking/NonVirtualOverrideTestClass", |
| null, |
| "java/lang/Object", |
| null); |
| |
| classWriter.visitSource("NonVirtualOverrideTestDump.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(7, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable( |
| "this", |
| "Lcom/android/tools/r8/shaking/NonVirtualOverrideTestClass;", |
| null, |
| label0, |
| label1, |
| 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| Label label1 = new Label(); |
| Label label2 = new Label(); |
| methodVisitor.visitTryCatchBlock(label0, label1, label2, "java/lang/IllegalAccessError"); |
| Label label3 = new Label(); |
| Label label4 = new Label(); |
| Label label5 = new Label(); |
| methodVisitor.visitTryCatchBlock( |
| label3, label4, label5, "java/lang/IncompatibleClassChangeError"); |
| Label label6 = new Label(); |
| Label label7 = new Label(); |
| Label label8 = new Label(); |
| methodVisitor.visitTryCatchBlock(label6, label7, label8, "java/lang/IllegalAccessError"); |
| Label label9 = new Label(); |
| Label label10 = new Label(); |
| Label label11 = new Label(); |
| methodVisitor.visitTryCatchBlock( |
| label9, label10, label11, "java/lang/IncompatibleClassChangeError"); |
| Label label12 = new Label(); |
| methodVisitor.visitLabel(label12); |
| methodVisitor.visitLineNumber(10, label12); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/B"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/B", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 1); |
| Label label13 = new Label(); |
| methodVisitor.visitLabel(label13); |
| methodVisitor.visitLineNumber(11, label13); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m1", "()V", false); |
| Label label14 = new Label(); |
| methodVisitor.visitLabel(label14); |
| methodVisitor.visitLineNumber(12, label14); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m2", "()V", false); |
| Label label15 = new Label(); |
| methodVisitor.visitLabel(label15); |
| methodVisitor.visitLineNumber(13, label15); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m3", "()V", false); |
| Label label16 = new Label(); |
| methodVisitor.visitLabel(label16); |
| methodVisitor.visitLineNumber(14, label16); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m4", "()V", false); |
| Label label17 = new Label(); |
| methodVisitor.visitLabel(label17); |
| methodVisitor.visitLineNumber(16, label17); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/C"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/C", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 1); |
| Label label18 = new Label(); |
| methodVisitor.visitLabel(label18); |
| methodVisitor.visitLineNumber(17, label18); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m1", "()V", false); |
| Label label19 = new Label(); |
| methodVisitor.visitLabel(label19); |
| methodVisitor.visitLineNumber(18, label19); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m2", "()V", false); |
| Label label20 = new Label(); |
| methodVisitor.visitLabel(label20); |
| methodVisitor.visitLineNumber(19, label20); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m3", "()V", false); |
| Label label21 = new Label(); |
| methodVisitor.visitLabel(label21); |
| methodVisitor.visitLineNumber(20, label21); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/A", "m4", "()V", false); |
| Label label22 = new Label(); |
| methodVisitor.visitLabel(label22); |
| methodVisitor.visitLineNumber(22, label22); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/B"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/B", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 2); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(24, label0); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/B", "m1", "()V", false); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(27, label1); |
| methodVisitor.visitJumpInsn(GOTO, label3); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(25, label2); |
| methodVisitor.visitFrame( |
| Opcodes.F_FULL, |
| 3, |
| new Object[] { |
| "[Ljava/lang/String;", |
| "com/android/tools/r8/shaking/A", |
| "com/android/tools/r8/shaking/B" |
| }, |
| 1, |
| new Object[] {"java/lang/IllegalAccessError"}); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| Label label23 = new Label(); |
| methodVisitor.visitLabel(label23); |
| methodVisitor.visitLineNumber(26, label23); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("Caught IllegalAccessError when calling B.m1()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(29, label3); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/B", "m3", "()V", false); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(32, label4); |
| methodVisitor.visitJumpInsn(GOTO, label6); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(30, label5); |
| methodVisitor.visitFrame( |
| Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/IncompatibleClassChangeError"}); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| Label label24 = new Label(); |
| methodVisitor.visitLabel(label24); |
| methodVisitor.visitLineNumber(31, label24); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("Caught IncompatibleClassChangeError when calling B.m3()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLineNumber(35, label6); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/C"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/C", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 2); |
| Label label25 = new Label(); |
| methodVisitor.visitLabel(label25); |
| methodVisitor.visitLineNumber(36, label25); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/B", "m1", "()V", false); |
| methodVisitor.visitLabel(label7); |
| methodVisitor.visitLineNumber(39, label7); |
| methodVisitor.visitJumpInsn(GOTO, label9); |
| methodVisitor.visitLabel(label8); |
| methodVisitor.visitLineNumber(37, label8); |
| methodVisitor.visitFrame( |
| Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/IllegalAccessError"}); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| Label label26 = new Label(); |
| methodVisitor.visitLabel(label26); |
| methodVisitor.visitLineNumber(38, label26); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("Caught IllegalAccessError when calling B.m1()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitLabel(label9); |
| methodVisitor.visitLineNumber(41, label9); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/C"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/C", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 2); |
| Label label27 = new Label(); |
| methodVisitor.visitLabel(label27); |
| methodVisitor.visitLineNumber(42, label27); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/B", "m3", "()V", false); |
| methodVisitor.visitLabel(label10); |
| methodVisitor.visitLineNumber(45, label10); |
| Label label28 = new Label(); |
| methodVisitor.visitJumpInsn(GOTO, label28); |
| methodVisitor.visitLabel(label11); |
| methodVisitor.visitLineNumber(43, label11); |
| methodVisitor.visitFrame( |
| Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/IncompatibleClassChangeError"}); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| Label label29 = new Label(); |
| methodVisitor.visitLabel(label29); |
| methodVisitor.visitLineNumber(44, label29); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("Caught IncompatibleClassChangeError when calling B.m3()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitLabel(label28); |
| methodVisitor.visitLineNumber(47, label28); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitTypeInsn(NEW, "com/android/tools/r8/shaking/C"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/C", "<init>", "()V", false); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| Label label30 = new Label(); |
| methodVisitor.visitLabel(label30); |
| methodVisitor.visitLineNumber(48, label30); |
| methodVisitor.visitVarInsn(ALOAD, 3); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/C", "m1", "()V", false); |
| Label label31 = new Label(); |
| methodVisitor.visitLabel(label31); |
| methodVisitor.visitLineNumber(49, label31); |
| methodVisitor.visitVarInsn(ALOAD, 3); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "com/android/tools/r8/shaking/C", "m3", "()V", false); |
| Label label32 = new Label(); |
| methodVisitor.visitLabel(label32); |
| methodVisitor.visitLineNumber(50, label32); |
| methodVisitor.visitInsn(RETURN); |
| Label label33 = new Label(); |
| methodVisitor.visitLabel(label33); |
| methodVisitor.visitLocalVariable( |
| "exception", "Ljava/lang/IllegalAccessError;", null, label23, label3, 3); |
| methodVisitor.visitLocalVariable( |
| "exception", "Ljava/lang/IncompatibleClassChangeError;", null, label24, label6, 3); |
| methodVisitor.visitLocalVariable( |
| "exception", "Ljava/lang/IllegalAccessError;", null, label26, label9, 3); |
| methodVisitor.visitLocalVariable( |
| "exception", "Ljava/lang/IncompatibleClassChangeError;", null, label29, label28, 3); |
| methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, label12, label33, 0); |
| methodVisitor.visitLocalVariable( |
| "a", "Lcom/android/tools/r8/shaking/A;", null, label13, label33, 1); |
| methodVisitor.visitLocalVariable( |
| "b", "Lcom/android/tools/r8/shaking/B;", null, label0, label33, 2); |
| methodVisitor.visitLocalVariable( |
| "c", "Lcom/android/tools/r8/shaking/C;", null, label30, label33, 3); |
| methodVisitor.visitMaxs(2, 4); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| |
| class ADump implements Opcodes { |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, ACC_SUPER, "com/android/tools/r8/shaking/A", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("NonVirtualOverrideTestDump.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(53, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/A;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m1", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(56, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In A.m1()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(57, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/A;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m2", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(60, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In A.m2()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(61, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/A;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m3", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(64, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In A.m3()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(65, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/A;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m4", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(68, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In A.m4()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(69, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/A;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| |
| class BDump implements Opcodes { |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_SUPER, |
| "com/android/tools/r8/shaking/B", |
| null, |
| "com/android/tools/r8/shaking/A", |
| null); |
| |
| classWriter.visitSource("NonVirtualOverrideTestDump.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(72, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/A", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/B;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PRIVATE, "m1", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(76, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In B.m1()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(77, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/B;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PRIVATE, "m2", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(81, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In B.m2()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(82, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/B;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "m3", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(86, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In B.m3()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(87, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/B;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "m4", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(91, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In B.m4()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(92, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/B;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| |
| class CDump implements Opcodes { |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_SUPER, |
| "com/android/tools/r8/shaking/C", |
| null, |
| "com/android/tools/r8/shaking/B", |
| null); |
| |
| classWriter.visitSource("NonVirtualOverrideTestDump.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(95, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "com/android/tools/r8/shaking/B", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/C;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m1", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(98, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In C.m1()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(99, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/C;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "m3", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(102, label0); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("In C.m3()"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(103, label1); |
| methodVisitor.visitInsn(RETURN); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLocalVariable( |
| "this", "Lcom/android/tools/r8/shaking/C;", null, label0, label2, 0); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
