| // Copyright (c) 2020, 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.desugar; |
| |
| import static org.junit.Assert.assertFalse; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersBuilder; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.cf.code.CfStackInstruction.Opcode; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| 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; |
| |
| @RunWith(Parameterized.class) |
| public class DesugarToClassFileB156591935 extends TestBase implements Opcodes { |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return TestParametersBuilder.builder().withCfRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| private final AndroidApiLevel apiLevel; |
| |
| public DesugarToClassFileB156591935(TestParameters parameters) { |
| this.apiLevel = parameters.getApiLevel(); |
| } |
| |
| private void expectNoNops(String className, CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(className); |
| assertFalse(classSubject.clinit().streamInstructions().anyMatch(InstructionSubject::isNop)); |
| } |
| |
| private void expectNoLoad(String className, CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(className); |
| assertFalse( |
| classSubject |
| .clinit() |
| .streamInstructions() |
| .anyMatch(instructionSubject -> instructionSubject.asCfInstruction().isLoad())); |
| } |
| |
| private void expectNoStore(String className, CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(className); |
| assertFalse( |
| classSubject |
| .clinit() |
| .streamInstructions() |
| .anyMatch(instructionSubject -> instructionSubject.asCfInstruction().isStore())); |
| } |
| |
| private void expectNoSwap(String className, CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(className); |
| assertFalse( |
| classSubject |
| .clinit() |
| .streamInstructions() |
| .anyMatch( |
| instructionSubject -> |
| instructionSubject.asCfInstruction().isStackInstruction(Opcode.Swap))); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| // No nops in the input - see dump below. |
| testForD8(Backend.CF) |
| .addProgramClassFileData(dump()) |
| .setMinApi(apiLevel) |
| .compile() |
| .inspect(inspector -> expectNoNops("A", inspector)) |
| .inspect(inspector -> expectNoLoad("A", inspector)) |
| .inspect(inspector -> expectNoStore("A", inspector)) |
| .inspect(inspector -> expectNoSwap("A", inspector)); |
| } |
| |
| @Test |
| public void testWithExtraLine() throws Exception { |
| // No nops in the input - see dump below. |
| testForD8(Backend.CF) |
| .addProgramClassFileData(dumpWithExtraLine()) |
| .setMinApi(apiLevel) |
| .compile() |
| .inspect(inspector -> expectNoNops("A", inspector)) |
| .inspect(inspector -> expectNoLoad("A", inspector)) |
| .inspect(inspector -> expectNoStore("A", inspector)) |
| .inspect(inspector -> expectNoSwap("A", inspector)); |
| } |
| |
| @Test |
| public void testWithMoreConsts() throws Exception { |
| // No nops in the input - see dump below. |
| testForD8(Backend.CF) |
| .addProgramClassFileData(dumpMoreConsts()) |
| .setMinApi(apiLevel) |
| .compile() |
| .inspect(inspector -> expectNoNops("B", inspector)) |
| .inspect(inspector -> expectNoLoad("B", inspector)) |
| .inspect(inspector -> expectNoStore("B", inspector)) |
| .inspect(inspector -> expectNoSwap("B", inspector)); |
| } |
| |
| /* |
| Dump of the compiled code for ths class below. The dump has not been modified, but the |
| code needs to have the specific line breaks for javac to insert the line numbers in the |
| way that this test is about. Used a dump to avoid source formatting invalidating the test. |
| |
| static class A { |
| // The line break before createA is needed for the expected line info. |
| public static final A A_1 = |
| createA(1, "FIRST"); |
| public static final A A_2 = |
| createA(1, "SECOND"); |
| public static final A A_3 = |
| createA(1, "THIRD"); |
| |
| private final int value; |
| private final String name; |
| |
| private static A createA(int value, String name) { |
| return new A(value, name); |
| } |
| |
| private A(int value, String name) { |
| this.value = value; |
| this.name = name; |
| } |
| |
| int getValue() { |
| return value; |
| } |
| |
| String getName() { |
| return name; |
| } |
| } |
| */ |
| private static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| FieldVisitor fieldVisitor; |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit(V1_8, ACC_SUPER, "A", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("A.java", null); |
| |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_1", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_2", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_3", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "value", "I", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "name", "Ljava/lang/String;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PRIVATE | ACC_STATIC, "createA", "(ILjava/lang/String;)LA;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(69, label0); |
| methodVisitor.visitTypeInsn(NEW, "A"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitVarInsn(ILOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "A", "<init>", "(ILjava/lang/String;)V", false); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("value", "I", null, label0, label1, 0); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label1, 1); |
| methodVisitor.visitMaxs(4, 2); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod(ACC_PRIVATE, "<init>", "(ILjava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(72, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(73, label1); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 1); |
| methodVisitor.visitFieldInsn(PUTFIELD, "A", "value", "I"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(74, label2); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitFieldInsn(PUTFIELD, "A", "name", "Ljava/lang/String;"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(75, label3); |
| methodVisitor.visitInsn(RETURN); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label4, 0); |
| methodVisitor.visitLocalVariable("value", "I", null, label0, label4, 1); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label4, 2); |
| methodVisitor.visitMaxs(2, 3); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getValue", "()I", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(78, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "A", "value", "I"); |
| methodVisitor.visitInsn(IRETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getName", "()Ljava/lang/String;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(82, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "A", "name", "Ljava/lang/String;"); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(67, label0); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitLdcInsn("FIRST"); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(68, label1); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_1", "LA;"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(69, label2); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitLdcInsn("SECOND"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(70, label3); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_2", "LA;"); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(71, label4); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitLdcInsn("THIRD"); |
| Label label5 = new Label(); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(72, label5); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_3", "LA;"); |
| Label label6 = new Label(); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLineNumber(71, label6); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(2, 0); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| |
| // Patched version of the code above. Added an additional line change between the two const |
| // instructions for the "createA" calls in <clinit>. Look for label variable names ending in x. |
| private static byte[] dumpWithExtraLine() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| FieldVisitor fieldVisitor; |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit(V1_8, ACC_SUPER, "A", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("A.java", null); |
| |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_1", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_2", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "A_3", "LA;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "value", "I", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "name", "Ljava/lang/String;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PRIVATE | ACC_STATIC, "createA", "(ILjava/lang/String;)LA;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(69, label0); |
| methodVisitor.visitTypeInsn(NEW, "A"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitVarInsn(ILOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "A", "<init>", "(ILjava/lang/String;)V", false); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("value", "I", null, label0, label1, 0); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label1, 1); |
| methodVisitor.visitMaxs(4, 2); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod(ACC_PRIVATE, "<init>", "(ILjava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(72, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(73, label1); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 1); |
| methodVisitor.visitFieldInsn(PUTFIELD, "A", "value", "I"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(74, label2); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitFieldInsn(PUTFIELD, "A", "name", "Ljava/lang/String;"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(75, label3); |
| methodVisitor.visitInsn(RETURN); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label4, 0); |
| methodVisitor.visitLocalVariable("value", "I", null, label0, label4, 1); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label4, 2); |
| methodVisitor.visitMaxs(2, 3); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getValue", "()I", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(78, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "A", "value", "I"); |
| methodVisitor.visitInsn(IRETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getName", "()Ljava/lang/String;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(82, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "A", "name", "Ljava/lang/String;"); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LA;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(67, label0); |
| methodVisitor.visitInsn(ICONST_1); |
| Label label0x = new Label(); |
| methodVisitor.visitLabel(label0x); |
| methodVisitor.visitLineNumber(68, label0x); |
| methodVisitor.visitLdcInsn("FIRST"); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(69, label1); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_1", "LA;"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(70, label2); |
| methodVisitor.visitInsn(ICONST_1); |
| Label label2x = new Label(); |
| methodVisitor.visitLabel(label2x); |
| methodVisitor.visitLineNumber(71, label2x); |
| methodVisitor.visitLdcInsn("SECOND"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(72, label3); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_2", "LA;"); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(73, label4); |
| methodVisitor.visitInsn(ICONST_1); |
| Label label4x = new Label(); |
| methodVisitor.visitLabel(label4x); |
| methodVisitor.visitLineNumber(74, label4x); |
| methodVisitor.visitLdcInsn("THIRD"); |
| Label label5 = new Label(); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(75, label5); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "A", "createA", "(ILjava/lang/String;)LA;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "A", "A_3", "LA;"); |
| Label label6 = new Label(); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLineNumber(74, label6); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(2, 0); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| |
| /* |
| Dump of the compiled code for ths class below. The dump has not been modified, but the |
| code needs to have the specific line breaks for javac to insert the line numbers in the |
| way that this test is about. Used a dump to avoid source formatting invalidating the test. |
| |
| This is the same pattern like class A above, just with more constants attributed to the |
| same line. |
| |
| class B { |
| // The line break before createA is needed for the expected line info. |
| public static final B B_1 = |
| createB(1, 2, 3, "FIRST"); |
| public static final B B_2 = |
| createB(1, 2, 3, "SECOND"); |
| public static final B B_3 = |
| createB(1, 2, 3, "THIRD"); |
| |
| private final int value1; |
| private final int value2; |
| private final int value3; |
| private final String name; |
| |
| private static B createB(int value1, int value2, int value3, String name) { |
| return new B(value1, value2, value3, name); |
| } |
| |
| private B(int value1, int value2, int value3, String name) { |
| this.value1 = value1; |
| this.value2 = value2; |
| this.value3 = value3; |
| this.name = name; |
| } |
| |
| int getValue1() { |
| return value1; |
| } |
| |
| int getVlaue2() { |
| return value2; |
| } |
| |
| int getValue3() { |
| return value3; |
| } |
| |
| String getName() { |
| return name; |
| } |
| } |
| */ |
| public static byte[] dumpMoreConsts() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| FieldVisitor fieldVisitor; |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit(V11, ACC_SUPER, "B", null, "java/lang/Object", null); |
| |
| classWriter.visitSource("B.java", null); |
| |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "B_1", "LB;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "B_2", "LB;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "B_3", "LB;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "value1", "I", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "value2", "I", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "value3", "I", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| fieldVisitor = |
| classWriter.visitField(ACC_PRIVATE | ACC_FINAL, "name", "Ljava/lang/String;", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PRIVATE | ACC_STATIC, "createB", "(IIILjava/lang/String;)LB;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(16, label0); |
| methodVisitor.visitTypeInsn(NEW, "B"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitVarInsn(ILOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 1); |
| methodVisitor.visitVarInsn(ILOAD, 2); |
| methodVisitor.visitVarInsn(ALOAD, 3); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "B", "<init>", "(IIILjava/lang/String;)V", false); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("value1", "I", null, label0, label1, 0); |
| methodVisitor.visitLocalVariable("value2", "I", null, label0, label1, 1); |
| methodVisitor.visitLocalVariable("value3", "I", null, label0, label1, 2); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label1, 3); |
| methodVisitor.visitMaxs(6, 4); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod(ACC_PRIVATE, "<init>", "(IIILjava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(19, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(20, label1); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 1); |
| methodVisitor.visitFieldInsn(PUTFIELD, "B", "value1", "I"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(21, label2); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 2); |
| methodVisitor.visitFieldInsn(PUTFIELD, "B", "value2", "I"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(22, label3); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ILOAD, 3); |
| methodVisitor.visitFieldInsn(PUTFIELD, "B", "value3", "I"); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(23, label4); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 4); |
| methodVisitor.visitFieldInsn(PUTFIELD, "B", "name", "Ljava/lang/String;"); |
| Label label5 = new Label(); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(24, label5); |
| methodVisitor.visitInsn(RETURN); |
| Label label6 = new Label(); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLocalVariable("this", "LB;", null, label0, label6, 0); |
| methodVisitor.visitLocalVariable("value1", "I", null, label0, label6, 1); |
| methodVisitor.visitLocalVariable("value2", "I", null, label0, label6, 2); |
| methodVisitor.visitLocalVariable("value3", "I", null, label0, label6, 3); |
| methodVisitor.visitLocalVariable("name", "Ljava/lang/String;", null, label0, label6, 4); |
| methodVisitor.visitMaxs(2, 5); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getValue1", "()I", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(27, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "B", "value1", "I"); |
| methodVisitor.visitInsn(IRETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LB;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getVlaue2", "()I", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(31, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "B", "value2", "I"); |
| methodVisitor.visitInsn(IRETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LB;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getValue3", "()I", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(35, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "B", "value3", "I"); |
| methodVisitor.visitInsn(IRETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LB;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "getName", "()Ljava/lang/String;", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(39, label0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn(GETFIELD, "B", "name", "Ljava/lang/String;"); |
| methodVisitor.visitInsn(ARETURN); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLocalVariable("this", "LB;", null, label0, label1, 0); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null); |
| methodVisitor.visitCode(); |
| Label label0 = new Label(); |
| methodVisitor.visitLabel(label0); |
| methodVisitor.visitLineNumber(3, label0); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitInsn(ICONST_2); |
| methodVisitor.visitInsn(ICONST_3); |
| methodVisitor.visitLdcInsn("FIRST"); |
| Label label1 = new Label(); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitLineNumber(4, label1); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "B", "createB", "(IIILjava/lang/String;)LB;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "B", "B_1", "LB;"); |
| Label label2 = new Label(); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitLineNumber(5, label2); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitInsn(ICONST_2); |
| methodVisitor.visitInsn(ICONST_3); |
| methodVisitor.visitLdcInsn("SECOND"); |
| Label label3 = new Label(); |
| methodVisitor.visitLabel(label3); |
| methodVisitor.visitLineNumber(6, label3); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "B", "createB", "(IIILjava/lang/String;)LB;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "B", "B_2", "LB;"); |
| Label label4 = new Label(); |
| methodVisitor.visitLabel(label4); |
| methodVisitor.visitLineNumber(7, label4); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitInsn(ICONST_2); |
| methodVisitor.visitInsn(ICONST_3); |
| methodVisitor.visitLdcInsn("THIRD"); |
| Label label5 = new Label(); |
| methodVisitor.visitLabel(label5); |
| methodVisitor.visitLineNumber(8, label5); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, "B", "createB", "(IIILjava/lang/String;)LB;", false); |
| methodVisitor.visitFieldInsn(PUTSTATIC, "B", "B_3", "LB;"); |
| Label label6 = new Label(); |
| methodVisitor.visitLabel(label6); |
| methodVisitor.visitLineNumber(7, label6); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(4, 0); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
