org.objectweb.asm.ClassWriter#visitSource ( )源码实例Demo

下面列出了org.objectweb.asm.ClassWriter#visitSource ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： AVM 文件： CreateTest.java

private byte[] getByteCodeForEmptyClass() {
    ClassWriter classWriter = new ClassWriter(0);
    MethodVisitor methodVisitor;

    classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "a/Main", null, "java/lang/Object", null);

    classWriter.visitSource("Main.java", null);
    {
        methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        methodVisitor.visitCode();
        Label label0 = new Label();
        methodVisitor.visitLabel(label0);
        methodVisitor.visitLineNumber(3, label0);
        methodVisitor.visitVarInsn(ALOAD, 0);
        methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        methodVisitor.visitInsn(RETURN);
        methodVisitor.visitMaxs(1, 1);
        methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}

源代码2 项目： AVM 文件： CreateTest.java

private byte[] getByteCodeForClassWithoutSuperName() {
    ClassWriter classWriter = new ClassWriter(0);
    MethodVisitor methodVisitor;

    classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "b/Main", null, null, null);

    classWriter.visitSource("Main.java", null);
    {
        methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        methodVisitor.visitCode();
        Label label0 = new Label();
        methodVisitor.visitLabel(label0);
        methodVisitor.visitLineNumber(3, label0);
        methodVisitor.visitVarInsn(ALOAD, 0);
        methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        methodVisitor.visitInsn(RETURN);
        methodVisitor.visitMaxs(1, 1);
        methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}

源代码3 项目： AVM 文件： UserlibCollisionTest.java

private static byte[] getJavaLangPackageClassBytes() {

        ClassWriter classWriter = new ClassWriter(0);
        MethodVisitor methodVisitor;

        classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "java/lang/MyClass", null, "java/lang/Object", null);

        classWriter.visitSource("MyClass.java", null);
        {
            methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            methodVisitor.visitCode();
            Label label0 = new Label();
            methodVisitor.visitLabel(label0);
            methodVisitor.visitLineNumber(3, label0);
            methodVisitor.visitVarInsn(ALOAD, 0);
            methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            methodVisitor.visitInsn(RETURN);
            methodVisitor.visitMaxs(1, 1);
            methodVisitor.visitEnd();
        }
        classWriter.visitEnd();

        return classWriter.toByteArray();
    }

源代码4 项目： AVM 文件： UserlibCollisionTest.java

private static byte[] getAvmPackageClassBytes() {

        ClassWriter classWriter = new ClassWriter(0);
        MethodVisitor methodVisitor;

        classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "avm/Main", null, "java/lang/Object", null);

        classWriter.visitSource("Main.java", null);
        {
            methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            methodVisitor.visitCode();
            Label label0 = new Label();
            methodVisitor.visitLabel(label0);
            methodVisitor.visitLineNumber(3, label0);
            methodVisitor.visitVarInsn(ALOAD, 0);
            methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            methodVisitor.visitInsn(RETURN);
            methodVisitor.visitMaxs(1, 1);
            methodVisitor.visitEnd();
        }
        classWriter.visitEnd();

        return classWriter.toByteArray();
    }

源代码5 项目： AVM 文件： InterfaceFieldClassGeneratorTest.java

public static byte[] getNestedInterfaceCalledFIELDSLevelOne() {
    ClassWriter classWriter = new ClassWriter(0);
    FieldVisitor fieldVisitor;

    classWriter.visit(V10, ACC_ABSTRACT | ACC_INTERFACE, "NestedInterfaces$FIELDS", null, "java/lang/Object", null);

    classWriter.visitSource("NestedInterfaces.java", null);

    classWriter.visitInnerClass("NestedInterfaces$FIELDS", "NestedInterfaces", "FIELDS", ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

    classWriter.visitInnerClass("NestedInterfaces$FIELDS$FIELDS", "NestedInterfaces$FIELDS", "FIELDS", ACC_PUBLIC | ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

    {
        fieldVisitor = classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "a", "I", null, Integer.valueOf(101));
        fieldVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}

源代码6 项目： openjdk-jdk9 文件： UnbalancedMonitorsTest.java

public static byte[] generateClass() {

        ClassWriter cw = new ClassWriter(0);

        cw.visit(52, ACC_SUPER | ACC_PUBLIC, INNER_CLASS_NAME_INTERNAL, null, "java/lang/Object", null);

        cw.visitSource("UnbalancedMonitorsTest.java", null);

        cw.visitInnerClass(INNER_CLASS_NAME_INTERNAL, CLASS_NAME_INTERNAL, "UnbalancedMonitors", ACC_STATIC);

        visitConstructor(cw);
        visitWrongOrder(cw);
        visitBlockStructured(cw, true, false);
        visitBlockStructured(cw, true, true);
        visitBlockStructured(cw, false, false);
        visitBlockStructured(cw, false, true);
        cw.visitEnd();

        return cw.toByteArray();
    }

源代码7 项目： jackson-modules-base 文件： MyClassLoaderTest.java

/**
 * Create simple stub bytecode for a class with only a no-arg constructor.
 *
 * @param baseName      the base class name for the new class
 * @param superClass    the superclass from which the new class should extend
 * @return              the bytecode for a new class
 */
private static byte[] generateTestClassByteCode(ClassName baseName, Class<?> superClass) {
    final String tmpClassName = baseName.getSlashedTemplate();
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
    String superClassName = superClass.getName().replace(".", "/");

    cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER + ACC_FINAL, tmpClassName, null, superClassName, null);
    cw.visitSource(baseName.getSourceFilename(), null);

    // default (no-arg) constructor:
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, superClassName, "<init>", "()V", false);
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();

    cw.visitEnd();
    return cw.toByteArray();
}

源代码8 项目： bazel 文件： RClassGenerator.java

private String writeInnerClassHeader(
    String fullyQualifiedOuterClass, String innerClass, ClassWriter innerClassWriter) {
  String fullyQualifiedInnerClass = fullyQualifiedOuterClass + "$" + innerClass;
  innerClassWriter.visit(
      JAVA_VERSION,
      Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL | Opcodes.ACC_SUPER,
      fullyQualifiedInnerClass,
      null, /* signature */
      SUPER_CLASS,
      null /* interfaces */);
  innerClassWriter.visitSource(SdkConstants.FN_RESOURCE_CLASS, null);
  writeConstructor(innerClassWriter);
  innerClassWriter.visitInnerClass(
      fullyQualifiedInnerClass,
      fullyQualifiedOuterClass,
      innerClass,
      Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL | Opcodes.ACC_STATIC);
  return fullyQualifiedInnerClass;
}

源代码9 项目： AVM 文件： InterfaceFieldClassGeneratorTest.java

public static byte[] getInnerFILEDSInterfaceBytes() {
    ClassWriter classWriter = new ClassWriter(0);
    MethodVisitor methodVisitor;

    classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "NestedInterfaces", null, "java/lang/Object", null);

    classWriter.visitSource("NestedInterfaces.java", null);

    classWriter.visitInnerClass("NestedInterfaces$FIELDS", "NestedInterfaces", "FIELDS", ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

    classWriter.visitInnerClass("NestedInterfaces$FIELDS$FIELDS", "NestedInterfaces$FIELDS", "FIELDS", ACC_PUBLIC | ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

    {
        methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        methodVisitor.visitCode();
        Label label0 = new Label();
        methodVisitor.visitLabel(label0);
        methodVisitor.visitLineNumber(3, label0);
        methodVisitor.visitVarInsn(ALOAD, 0);
        methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        methodVisitor.visitInsn(RETURN);
        methodVisitor.visitMaxs(1, 1);
        methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}

源代码10 项目： AVM 文件： InterfaceFieldClassGeneratorTest.java

public static byte[] getNestedInterfaceCalledFIELDSLevelTwo() {

        ClassWriter classWriter = new ClassWriter(0);
        FieldVisitor fieldVisitor;
        MethodVisitor methodVisitor;

        classWriter.visit(V10, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "NestedInterfaces$FIELDS$FIELDS", null, "java/lang/Object", null);

        classWriter.visitSource("NestedInterfaces.java", null);

        classWriter.visitInnerClass("NestedInterfaces$FIELDS", "NestedInterfaces", "FIELDS", ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

        classWriter.visitInnerClass("NestedInterfaces$FIELDS$FIELDS", "NestedInterfaces$FIELDS", "FIELDS", ACC_PUBLIC | ACC_STATIC | ACC_ABSTRACT | ACC_INTERFACE);

        {
            fieldVisitor = classWriter.visitField(ACC_PUBLIC | ACC_FINAL | ACC_STATIC, "b", "I", null, null);
            fieldVisitor.visitEnd();
        }
        {
            methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null);
            methodVisitor.visitCode();
            Label label0 = new Label();
            methodVisitor.visitLabel(label0);
            methodVisitor.visitLineNumber(7, label0);
            methodVisitor.visitTypeInsn(NEW, "java/lang/Object");
            methodVisitor.visitInsn(DUP);
            methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            methodVisitor.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "hashCode", "()I", false);
            methodVisitor.visitFieldInsn(PUTSTATIC, "NestedInterfaces$FIELDS$FIELDS", "b", "I");
            methodVisitor.visitInsn(RETURN);
            methodVisitor.visitMaxs(2, 0);
            methodVisitor.visitEnd();
        }
        classWriter.visitEnd();

        return classWriter.toByteArray();
    }

源代码11 项目： thorntail 文件： DefaultApplicationFactory.java

static byte[] basicClassBytes() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC + ACC_SUPER, "org/wildfly/swarm/jaxrs/runtime/DefaultApplication", null, "javax/ws/rs/core/Application", null);

    cw.visitSource("DefaultApplication.java", null);
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(23, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/core/Application", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "Lorg/wildfly/swarm/jaxrs/runtime/DefaultApplication;", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();

}

源代码12 项目： grappa 文件： GroupClassGenerator.java

private void generateClassBasics(final InstructionGroup group,
    final ClassWriter cw)
{
    cw.visit(Opcodes.V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SYNTHETIC,
        group.getGroupClassType().getInternalName(), null,
        getBaseType().getInternalName(), null);
    cw.visitSource(classNode.sourceFile, null);
}

源代码13 项目： es6draft 文件： Code.java

private static ClassCode newClass(ConstantPool constantPool, int access, String className, ClassSignature signature,
        Type superClass, List<Type> interfaces, SourceInfo sourceInfo) {
    if ((access & ~Modifier.classModifiers()) != 0) {
        throw new IllegalArgumentException();
    }
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
    cw.visit(JAVA_VERSION, access | Opcodes.ACC_SUPER, className, signature.toString(), superClass.internalName(),
            toInternalNames(interfaces));
    cw.visitSource(sourceInfo.getFileName(), sourceInfo.getSourceMap());

    return new ClassCode(constantPool, className, cw);
}

源代码14 项目： bumblebench 文件： FastPathGuardsBench.java

static void visitSourceFileInfo(ClassWriter cw) {
	cw.visitSource(Thread.currentThread().getStackTrace()[3].getFileName(), null);
}

源代码15 项目： Hyperium 文件： EventSubscriber.java

private Class<?> createHandler(Method callback) {
    // ClassName$methodName_EventClass_XXX
    String name = objName + "$" + callback.getName() + "_" + callback.getParameters()[0].getType().getSimpleName() + "_" + (ID++);
    String eventType = Type.getInternalName(callback.getParameterTypes()[0]);

    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    MethodVisitor mv;
    String desc = name.replace(".", "/");
    String instanceClassName = instance.getClass().getName().replace(".", "/");

    cw.visit(V1_6, ACC_PUBLIC | ACC_SUPER, desc, null, "java/lang/Object", new String[]{ "cc/hyperium/event/EventSubscriber$EventHandler" });

    cw.visitSource(".dynamic", null);
    {
        cw.visitField(ACC_PUBLIC, "instance", "Ljava/lang/Object;", null, null).visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/lang/Object;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(PUTFIELD, desc, "instance", "Ljava/lang/Object;");
        mv.visitInsn(RETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "handle", "(Ljava/lang/Object;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, desc, "instance", "Ljava/lang/Object;");
        mv.visitTypeInsn(CHECKCAST, instanceClassName);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(CHECKCAST, eventType);
        mv.visitMethodInsn(INVOKEVIRTUAL, instanceClassName, callback.getName(), Type.getMethodDescriptor(callback), false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    cw.visitEnd();

    byte[] handlerClassBytes = cw.toByteArray();
    return LOADER.define(name, handlerClassBytes);
}

源代码16 项目： thorntail 文件： ClientServiceFactory.java

static byte[] createImpl(String implName, ClassInfo classInfo) {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;
    AnnotationVisitor av0;

    cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER,
             implName.replace('.', '/'),
             null,
             "java/lang/Object",
             new String[]{classInfo.name().toString().replace('.', '/')}
    );

    int lastDot = implName.lastIndexOf('.');
    String simpleName = implName.substring(lastDot + 1);

    cw.visitSource(simpleName + ".java", null);
    {
        av0 = cw.visitAnnotation("Ljavax/enterprise/context/ApplicationScoped;", true);
        av0.visitEnd();
    }
    cw.visitInnerClass("javax/ws/rs/client/Invocation$Builder", "javax/ws/rs/client/Invocation", "Builder", ACC_PUBLIC + ACC_STATIC + ACC_ABSTRACT + ACC_INTERFACE);

    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(14, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(15, l1);
        mv.visitInsn(RETURN);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this",
                              buildTypeDef(implName),
                              null,
                              l0,
                              l2,
                              0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }

    List<AnnotationInstance> annotations = classInfo.annotations().get(DotName.createSimple("org.wildfly.swarm.client.jaxrs.Service"));
    String baseUrl = (String) annotations.get(0).value("baseUrl").value();
    int lineNum = 18;

    classInfo.asClass().methods()
            .stream()
            .forEachOrdered(method -> {
                createMethod(cw, implName, classInfo.name().toString(), method, lineNum, baseUrl);
            });
    cw.visitEnd();

    return cw.toByteArray();
}

源代码17 项目： ARCHIVE-wildfly-swarm 文件： ApplicationFactory.java

public static byte[] create(String name, String context) {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;
        AnnotationVisitor av0;

        cw.visit(V1_7, ACC_PUBLIC + ACC_SUPER,
                name.replace('.', '/'),
                null,
                "javax/ws/rs/core/Application", null);

        int lastDot = name.lastIndexOf('.');
        String simpleName = name.substring(lastDot + 1);
        cw.visitSource(simpleName + ".java", null);

        {
            av0 = cw.visitAnnotation("Ljavax/ws/rs/ApplicationPath;", true);
            av0.visit("value", "/");
            av0.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            Label l0 = new Label();
            mv.visitLabel(l0);
            mv.visitLineNumber(10, l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/core/Application", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            Label l1 = new Label();
            mv.visitLabel(l1);
            mv.visitLocalVariable("this",
                    "L" + name.replace('.', '/') + ";",
                    null,
                    l0,
                    l1,
                    0);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();

        return cw.toByteArray();
    }

源代码18 项目： bazel 文件： GenSourceDebugExtension.java

public static byte[] dump() {
  ClassWriter cw = new ClassWriter(0);
  MethodVisitor mv;

  cw.visit(
      52,
      Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER,
      "sourcedebugextension/Test",
      null,
      "java/lang/Object",
      null);

  // This is the important part for the test - it's an example SourceDebugExtension found
  // in Clojure.
  cw.visitSource(
      "dispatch.clj",
      "SMAP\ndispatch.java\nClojure\n*S Clojure\n*F\n+ 1 dispatch.clj\nclojure/pprint/dispatch.clj\n*L\n144#1,8:144\n*E");

  {
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
  }
  {
    mv = cw.visitMethod(
        Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC,
        "main",
        "([Ljava/lang/String;)V",
        null,
        null);
    mv.visitCode();
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "err", "Ljava/io/PrintStream;");
    mv.visitLdcInsn("Hello");
    mv.visitMethodInsn(
        Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 1);
    mv.visitEnd();
  }
  cw.visitEnd();

  return cw.toByteArray();
}

方法所在类

org.objectweb.asm.ClassWriter