Example usage for org.objectweb.asm Opcodes ARETURN

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ARETURN.

Prototype

int ARETURN

To view the source code for org.objectweb.asm Opcodes ARETURN.

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Usage

From source file:org.apache.cxf.binding.corba.utils.CorbaAnyHelper.java

License:Apache License

private static void addExtractOverride(ClassWriter cw) {
    // TODO Auto-generated method stub
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "extract_Streamable",
            "()Lorg/omg/CORBA/portable/Streamable;", null, null);
    mv.visitCode();// ww  w.  jav a 2 s .co  m
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(47, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(48, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l1);
    mv.visitLineNumber(50, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "extract_Streamable",
            "()Lorg/omg/CORBA/portable/Streamable;");
    mv.visitInsn(Opcodes.ARETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l3, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

}

---

From source file:org.apache.cxf.jaxb.JAXBUtils.java

License:Apache License

private static Class<?> createNamespaceWrapperInternal(ASMHelper helper, ClassWriter cw) {
    String className = "org.apache.cxf.jaxb.NamespaceMapperInternal";
    FieldVisitor fv;/*from   ww w.  java 2s  . c o  m*/
    MethodVisitor mv;
    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER,
            "org/apache/cxf/jaxb/NamespaceMapperInternal", null,
            "com/sun/xml/internal/bind/marshaller/NamespacePrefixMapper", null);

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

    fv = cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, "nspref", "Ljava/util/Map;",
            "Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;", null);
    fv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Ljava/util/Map;)V",
            "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)V", null);
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(30, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/xml/internal/bind/marshaller/NamespacePrefixMapper",
            "<init>", "()V");
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLineNumber(31, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "org/apache/cxf/jaxb/NamespaceMapperInternal", "nspref",
            "Ljava/util/Map;");
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(32, l2);
    mv.visitInsn(Opcodes.RETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/jaxb/NamespaceMapperInternal;", null, l0, l3, 0);
    mv.visitLocalVariable("nspref", "Ljava/util/Map;", "Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;",
            l0, l3, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getPreferredPrefix",
            "(Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/String;", null, null);
    mv.visitCode();
    l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(38, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/jaxb/NamespaceMapperInternal", "nspref",
            "Ljava/util/Map;");
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "get",
            "(Ljava/lang/Object;)Ljava/lang/Object;");
    mv.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/String");
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLineNumber(39, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    l2 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l2);
    l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLineNumber(40, l3);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l2);
    mv.visitLineNumber(42, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitInsn(Opcodes.ARETURN);
    Label l4 = new Label();
    mv.visitLabel(l4);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/jaxb/NamespaceMapperInternal;", null, l0, l4, 0);
    mv.visitLocalVariable("namespaceUri", "Ljava/lang/String;", null, l0, l4, 1);
    mv.visitLocalVariable("suggestion", "Ljava/lang/String;", null, l0, l4, 2);
    mv.visitLocalVariable("requirePrefix", "Z", null, l0, l4, 3);
    mv.visitLocalVariable("prefix", "Ljava/lang/String;", null, l1, l4, 4);
    mv.visitMaxs(2, 5);
    mv.visitEnd();
    cw.visitEnd();

    byte bts[] = cw.toByteArray();
    return helper.loadClass(className, JAXBUtils.class, bts);
}

---

From source file:org.apache.cxf.jaxb.WrapperHelperCompiler.java

License:Apache License

private boolean addSignature() {
    String sig = computeSignature();
    if (sig == null) {
        return false;
    }//  ww  w . ja va2s. co m
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getSignature", "()Ljava/lang/String;", null, null);
    mv.visitCode();
    mv.visitLdcInsn(sig);
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(100, l0);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    return true;
}

---

From source file:org.apache.cxf.jaxb.WrapperHelperCompiler.java

License:Apache License

private boolean addCreateWrapperObject(String newClassName, Class<?> objectFactoryClass) {

    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "createWrapperObject",
            "(Ljava/util/List;)Ljava/lang/Object;", "(Ljava/util/List<*>;)Ljava/lang/Object;",
            new String[] { "org/apache/cxf/interceptor/Fault" });
    mv.visitCode();//  w w  w  .  j  a va2s. c  o  m
    Label lBegin = new Label();
    mv.visitLabel(lBegin);
    mv.visitLineNumber(104, lBegin);

    mv.visitTypeInsn(Opcodes.NEW, periodToSlashes(wrapperType.getName()));
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, periodToSlashes(wrapperType.getName()), "<init>", "()V");
    mv.visitVarInsn(Opcodes.ASTORE, 2);

    for (int x = 0; x < setMethods.length; x++) {
        if (getMethods[x] == null) {
            if (setMethods[x] == null && fields[x] == null) {
                // null placeholder
                continue;
            } else {
                return false;
            }
        }
        Class<?> tp = getMethods[x].getReturnType();
        mv.visitVarInsn(Opcodes.ALOAD, 2);

        if (List.class.isAssignableFrom(tp)) {
            doCollection(mv, x);
        } else {
            if (JAXBElement.class.isAssignableFrom(tp)) {
                mv.visitVarInsn(Opcodes.ALOAD, 0);
                mv.visitFieldInsn(Opcodes.GETFIELD, periodToSlashes(newClassName), "factory",
                        "L" + periodToSlashes(objectFactoryClass.getName()) + ";");
            }
            mv.visitVarInsn(Opcodes.ALOAD, 1);
            mv.visitIntInsn(Opcodes.BIPUSH, x);
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "get", "(I)Ljava/lang/Object;");

            if (tp.isPrimitive()) {
                mv.visitTypeInsn(Opcodes.CHECKCAST, NONPRIMITIVE_MAP.get(tp));
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, NONPRIMITIVE_MAP.get(tp), tp.getName() + "Value",
                        "()" + PRIMITIVE_MAP.get(tp));
            } else if (JAXBElement.class.isAssignableFrom(tp)) {
                mv.visitTypeInsn(Opcodes.CHECKCAST,
                        periodToSlashes(jaxbMethods[x].getParameterTypes()[0].getName()));
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, periodToSlashes(objectFactoryClass.getName()),
                        jaxbMethods[x].getName(), getMethodSignature(jaxbMethods[x]));
            } else if (tp.isArray()) {
                mv.visitTypeInsn(Opcodes.CHECKCAST, getClassCode(tp));
            } else {
                mv.visitTypeInsn(Opcodes.CHECKCAST, periodToSlashes(tp.getName()));
            }
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, periodToSlashes(wrapperType.getName()),
                    setMethods[x].getName(), "(" + getClassCode(tp) + ")V");
        }
    }

    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitInsn(Opcodes.ARETURN);

    Label lEnd = new Label();
    mv.visitLabel(lEnd);
    mv.visitLocalVariable("this", "L" + newClassName + ";", null, lBegin, lEnd, 0);
    mv.visitLocalVariable("lst", "Ljava/util/List;", "Ljava/util/List<*>;", lBegin, lEnd, 1);
    mv.visitLocalVariable("ok", "L" + periodToSlashes(wrapperType.getName()) + ";", null, lBegin, lEnd, 2);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    return true;
}

---

From source file:org.apache.cxf.jaxb.WrapperHelperCompiler.java

License:Apache License

private static boolean addGetWrapperParts(String newClassName, Class<?> wrapperClass, Method getMethods[],
        Field fields[], ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getWrapperParts",
            "(Ljava/lang/Object;)Ljava/util/List;", "(Ljava/lang/Object;)Ljava/util/List<Ljava/lang/Object;>;",
            new String[] { "org/apache/cxf/interceptor/Fault" });
    mv.visitCode();//from ww w .j av  a 2 s. c o m
    Label lBegin = new Label();
    mv.visitLabel(lBegin);
    mv.visitLineNumber(108, lBegin);

    // the ret List
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V");
    mv.visitVarInsn(Opcodes.ASTORE, 2);

    // cast the Object to the wrapperType type
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitTypeInsn(Opcodes.CHECKCAST, periodToSlashes(wrapperClass.getName()));
    mv.visitVarInsn(Opcodes.ASTORE, 3);

    for (int x = 0; x < getMethods.length; x++) {
        Method method = getMethods[x];
        if (method == null && fields[x] != null) {
            // fallback to reflection mode
            return false;
        }

        if (method == null) {
            Label l3 = new Label();
            mv.visitLabel(l3);
            mv.visitLineNumber(200 + x, l3);

            mv.visitVarInsn(Opcodes.ALOAD, 2);
            mv.visitInsn(Opcodes.ACONST_NULL);
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add", "(Ljava/lang/Object;)Z");
            mv.visitInsn(Opcodes.POP);
        } else {
            Label l3 = new Label();
            mv.visitLabel(l3);
            mv.visitLineNumber(250 + x, l3);

            mv.visitVarInsn(Opcodes.ALOAD, 2);
            mv.visitVarInsn(Opcodes.ALOAD, 3);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, periodToSlashes(wrapperClass.getName()), method.getName(),
                    getMethodSignature(method));
            if (method.getReturnType().isPrimitive()) {
                // wrap into Object type
                createObjectWrapper(mv, method.getReturnType());
            }
            if (JAXBElement.class.isAssignableFrom(method.getReturnType())) {
                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "javax/xml/bind/JAXBElement", "getValue",
                        "()Ljava/lang/Object;");
            }

            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add", "(Ljava/lang/Object;)Z");
            mv.visitInsn(Opcodes.POP);
        }
    }

    // return the list
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(108, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitInsn(Opcodes.ARETURN);

    Label lEnd = new Label();
    mv.visitLabel(lEnd);
    mv.visitLocalVariable("this", "L" + newClassName + ";", null, lBegin, lEnd, 0);
    mv.visitLocalVariable("o", "Ljava/lang/Object;", null, lBegin, lEnd, 1);
    mv.visitLocalVariable("ret", "Ljava/util/List;", "Ljava/util/List<Ljava/lang/Object;>;", lBegin, lEnd, 2);
    mv.visitLocalVariable("ok", "L" + periodToSlashes(wrapperClass.getName()) + ";", null, lBegin, lEnd, 3);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    return true;
}

---

From source file:org.apache.sling.metrics.impl.ReturnAdapter.java

License:Apache License

@Override
protected void onMethodExit(int opcode) {
    switch (opcode) {
    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.ARETURN:

        try {//from w  w w.  j a  v  a2 s . c om
            addReturnMetric(opcode);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    super.onMethodExit(opcode);
}

---

From source file:org.apache.tuscany.sca.interfacedef.java.jaxrs.CodeGenerationHelper.java

License:Apache License

public static int getReturnOPCode(String signature) {
    if ("Z".equals(signature) || "B".equals(signature) || "C".equals(signature) || "S".equals(signature)
            || "I".equals(signature)) {
        return Opcodes.IRETURN;
    }/*from w w w  .  jav  a2s  .  com*/

    if ("J".equals(signature)) {
        return Opcodes.LRETURN;
    }

    if ("F".equals(signature)) {
        return Opcodes.FRETURN;
    }

    if ("D".equals(signature)) {
        return Opcodes.DRETURN;
    }
    if ("V".equals(signature)) {
        return Opcodes.RETURN;
    }

    return Opcodes.ARETURN;

}

---

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static void createMethodGetManagedInstance(final String enhancedClassName, final String descEnhancer,
        final ClassWriter cw) {
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, Enhancer.METHOD_ENHANCED_GET_MANAGED_INSTANCE,
            Enhancer.makeDescription(ManagedInstance.class), null, null);
    mv.visitCode();//w  w w.ja  v a 2s .c o  m

    final Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_MANAGED_INSTANCE,
            Enhancer.DESCRIPTOR_MANAGED_INSTANCE);
    mv.visitInsn(Opcodes.ARETURN);

    final Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable(Enhancer.THIS, descEnhancer, null, l0, l1, 0);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

---

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static int getReturnType(Class<?> paramClass) {
    if (!paramClass.isPrimitive() || paramClass.isArray()) {
        return Opcodes.ARETURN;
    }/*from   w  ww. j  a v  a 2 s. c o m*/

    if (Long.TYPE == paramClass) {
        return Opcodes.LRETURN;
    }

    if (Float.TYPE == paramClass) {
        return Opcodes.FRETURN;
    }

    if (Double.TYPE == paramClass) {
        return Opcodes.DRETURN;
    }

    return Opcodes.IRETURN;
}

---

From source file:org.brutusin.instrumentation.Instrumentator.java

License:Apache License

private void addTraceReturn() {

    InsnList il = this.mn.instructions;

    Iterator<AbstractInsnNode> it = il.iterator();
    while (it.hasNext()) {
        AbstractInsnNode abstractInsnNode = it.next();

        switch (abstractInsnNode.getOpcode()) {
        case Opcodes.RETURN:
            il.insertBefore(abstractInsnNode, getVoidReturnTraceInstructions());
            break;
        case Opcodes.IRETURN:
        case Opcodes.LRETURN:
        case Opcodes.FRETURN:
        case Opcodes.ARETURN:
        case Opcodes.DRETURN:
            il.insertBefore(abstractInsnNode, getReturnTraceInstructions());
        }//  w  w  w. ja  va  2 s.  c  om
    }
}

---

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