| // 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.ir.optimize.canonicalization; |
| |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.Type; |
| |
| class IllegalAccessConstClassTestDump { |
| |
| // Originated from the following code snippet: |
| // |
| // class ...PackagePrivateClass {} |
| // |
| // then repackaged to the top-level. |
| static class PackagePrivateClassDump implements Opcodes { |
| |
| public static byte[] dump () throws Exception { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit(V1_8, ACC_SUPER, "PackagePrivateClass", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("IllegalAccessConstClassTest.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(25, 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", "LPackagePrivateClass;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| |
| // Originated from the following code snippet: |
| // |
| // class FakePackagePrivateClassConsumer { |
| // public static void main(String... args) { |
| // if (System.currentTimeMillis() < -2) { |
| // System.out.println(PackagePrivateClass.class.getName()); |
| // } else if (System.currentTimeMillis() < -1) { |
| // System.out.println(PackagePrivateClass.class.getSimpleName()); |
| // } else { |
| // System.out.println("No need to load any classes"); |
| // } |
| // } |
| // } |
| // |
| // then rewritten to use the repackaged PackagePrivateClass instead. |
| static class FakePackagePrivateClassConsumerDump implements Opcodes { |
| |
| public static byte[] dump () throws Exception { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_SUPER, |
| "com/android/tools/r8/ir/optimize/canonicalization/FakePackagePrivateClassConsumer", |
| null, |
| "java/lang/Object", |
| null); |
| |
| classWriter.visitSource("IllegalAccessConstClassTest.java", null); |
| |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(28, 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/ir/optimize/canonicalization/FakePackagePrivateClassConsumer;", |
| null, |
| label0, |
| label1, |
| 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC | ACC_VARARGS, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(30, label0); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "java/lang/System", "currentTimeMillis", "()J", false); |
| methodVisitor.visitLdcInsn(new Long(-2L)); |
| methodVisitor.visitInsn(LCMP); |
| Label label1 = new Label(); |
| methodVisitor.visitJumpInsn(IFGE, label1); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(31, label2); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn(Type.getType("LPackagePrivateClass;")); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;", false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| Label label3 = new Label(); |
| methodVisitor.visitJumpInsn(GOTO, label3); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(32, label1); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "java/lang/System", "currentTimeMillis", "()J", false); |
| methodVisitor.visitLdcInsn(new Long(-1L)); |
| methodVisitor.visitInsn(LCMP); |
| Label label4 = new Label(); |
| methodVisitor.visitJumpInsn(IFGE, label4); |
| Label label5 = new Label(); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(33, label5); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn(Type.getType("LPackagePrivateClass;")); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/lang/Class", "getSimpleName", "()Ljava/lang/String;", false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitJumpInsn(GOTO, label3); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(35, label4); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| methodVisitor.visitLdcInsn("No need to load any classes"); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(37, label3); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitInsn(RETURN); |
| Label label6 = new Label(); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, label0, label6, 0); |
| methodVisitor.visitMaxs(4, 1); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| } |