| // Copyright (c) 2018, 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.cf; |
| |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| // Generated with |
| // tools/asmifier.py build/classes/test/com/android/tools/r8/cf/AlwaysNullGetItemTest.class |
| // and edited to replace calls to get{Object,Typed}Array() with ACONST_NULL (without CHECKCAST). |
| public class AlwaysNullGetItemDump implements Opcodes { |
| public static byte[] dump() throws Exception { |
| |
| ClassWriter cw = new ClassWriter(0); |
| FieldVisitor fv; |
| MethodVisitor mv; |
| AnnotationVisitor av0; |
| |
| cw.visit( |
| V1_8, |
| ACC_PUBLIC + ACC_SUPER, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| null, |
| "java/lang/Object", |
| null); |
| |
| cw.visitInnerClass( |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest$A", |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| "A", |
| ACC_PRIVATE + ACC_STATIC); |
| |
| { |
| mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
| mv.visitCode(); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| mv.visitInsn(RETURN); |
| mv.visitMaxs(1, 1); |
| mv.visitEnd(); |
| } |
| { |
| mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| mv.visitCode(); |
| Label l0 = new Label(); |
| Label l1 = new Label(); |
| mv.visitTryCatchBlock(l0, l1, l1, "java/lang/NullPointerException"); |
| mv.visitLabel(l0); |
| mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| mv.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| "foo", |
| "()Ljava/lang/Object;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false); |
| mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| mv.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| "bar", |
| "()Ljava/lang/Object;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false); |
| mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| mv.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| "hello", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest$A", |
| "hello", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false); |
| mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| mv.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| "goodbye", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest$A", |
| "hello", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false); |
| mv.visitTypeInsn(NEW, "java/lang/RuntimeException"); |
| mv.visitInsn(DUP); |
| mv.visitLdcInsn("Expected NullPointerException"); |
| mv.visitMethodInsn( |
| INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V", false); |
| mv.visitInsn(ATHROW); |
| mv.visitLabel(l1); |
| mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/NullPointerException"}); |
| mv.visitVarInsn(ASTORE, 1); |
| mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); |
| mv.visitLdcInsn("NullPointerException"); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false); |
| mv.visitInsn(RETURN); |
| mv.visitMaxs(3, 2); |
| mv.visitEnd(); |
| } |
| { |
| mv = cw.visitMethod(ACC_PRIVATE + ACC_STATIC, "foo", "()Ljava/lang/Object;", null, null); |
| mv.visitCode(); |
| mv.visitInsn(ACONST_NULL); |
| // mv.visitTypeInsn(CHECKCAST, "[Ljava/lang/Object;"); |
| mv.visitInsn(ICONST_0); |
| mv.visitInsn(AALOAD); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(2, 0); |
| mv.visitEnd(); |
| } |
| { |
| mv = cw.visitMethod(ACC_PRIVATE + ACC_STATIC, "bar", "()Ljava/lang/Object;", null, null); |
| mv.visitCode(); |
| // mv.visitMethodInsn( |
| // INVOKESTATIC, |
| // "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| // "getObjectArray", |
| // "()[Ljava/lang/Object;", |
| // false); |
| mv.visitInsn(ACONST_NULL); |
| mv.visitInsn(ICONST_0); |
| mv.visitInsn(AALOAD); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(2, 0); |
| mv.visitEnd(); |
| } |
| { |
| mv = |
| cw.visitMethod( |
| ACC_PRIVATE + ACC_STATIC, |
| "hello", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| null, |
| null); |
| mv.visitCode(); |
| // mv.visitMethodInsn( |
| // INVOKESTATIC, |
| // "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| // "getTypedArray", |
| // "()[Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| // false); |
| mv.visitInsn(ACONST_NULL); |
| mv.visitInsn(ICONST_0); |
| mv.visitInsn(AALOAD); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest$A", |
| "hello", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(2, 0); |
| mv.visitEnd(); |
| } |
| { |
| mv = |
| cw.visitMethod( |
| ACC_PRIVATE + ACC_STATIC, |
| "goodbye", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| null, |
| null); |
| mv.visitCode(); |
| // mv.visitMethodInsn( |
| // INVOKESTATIC, |
| // "com/android/tools/r8/cf/AlwaysNullGetItemTest", |
| // "getTypedArray", |
| // "()[Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| // false); |
| mv.visitInsn(ACONST_NULL); |
| mv.visitInsn(ICONST_0); |
| mv.visitInsn(AALOAD); |
| mv.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "com/android/tools/r8/cf/AlwaysNullGetItemTest$A", |
| "goodbye", |
| "()Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| false); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(2, 0); |
| mv.visitEnd(); |
| } |
| { |
| mv = |
| cw.visitMethod( |
| ACC_PRIVATE + ACC_STATIC, "getObjectArray", "()[Ljava/lang/Object;", null, null); |
| mv.visitCode(); |
| mv.visitInsn(ACONST_NULL); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(1, 0); |
| mv.visitEnd(); |
| } |
| { |
| mv = |
| cw.visitMethod( |
| ACC_PRIVATE + ACC_STATIC, |
| "getTypedArray", |
| "()[Lcom/android/tools/r8/cf/AlwaysNullGetItemTest$A;", |
| null, |
| null); |
| mv.visitCode(); |
| mv.visitInsn(ACONST_NULL); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(1, 0); |
| mv.visitEnd(); |
| } |
| cw.visitEnd(); |
| |
| return cw.toByteArray(); |
| } |
| } |