Package org.objectweb.asm.commons

Examples of org.objectweb.asm.commons.GeneratorAdapter.visitCode()

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                 access, "<init>", descriptor);
         // Compute the new signature
         String newDesc = descriptor.substring(1); // Remove the first (
         newDesc = "(Lorg/apache/felix/ipojo/InstanceManager;" + newDesc;

         mv.visitCode();
         Label start = new Label();
         mv.visitLabel(start);
         mv.visitVarInsn(ALOAD, 0);
         mv.visitInsn(ACONST_NULL);
         mv.loadArgs();
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     */
    private void generateMethodHeader(int access, String name, String desc, String signature, String[] exceptions,
                                      List<LocalVariableNode> localVariables, List<AnnotationDescriptor> annotations,
                                      Map<Integer, List<AnnotationDescriptor>> paramAnnotations) {
        GeneratorAdapter mv = new GeneratorAdapter(cv.visitMethod(access, name, desc, signature, exceptions), access, name, desc);
        mv.visitCode();

        // If we have variables, we wraps the code within labels. The `lifetime` of the variables are bound to those
        // two variables.
        boolean hasArgumentLabels = localVariables != null && !localVariables.isEmpty();
        Label start = null;
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        if (hasArgumentLabels) {
            start = new Label();
            mv.visitLabel(start);
        }

        mv.visitCode();

        Type returnType = Type.getReturnType(desc);

        // Compute result and exception stack location
        int result = -1;
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        owner.privilizer().env.debug("Generating static helper method %s.%s to call %s", owner.target.getClassName(),
            helper, impl);
        final GeneratorAdapter mgen =
            new GeneratorAdapter(Opcodes.ACC_STATIC | Opcodes.ACC_SYNTHETIC, helper, null, exceptions, owner);

        mgen.visitCode();
        mgen.loadArgs();
        if (implIsStatic) {
            mgen.invokeStatic(owner.target, impl);
        } else {
            mgen.invokeVirtual(owner.target, impl);
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        final Method init = new Method("<init>", Type.VOID_TYPE, helper.getArgumentTypes());

        final GeneratorAdapter mgen =
            new GeneratorAdapter(0, init, null, Privilizer.EMPTY_TYPE_ARRAY, this);

        mgen.visitCode();
        final Label begin = mgen.mark();

        // invoke super constructor
        mgen.loadThis();
        mgen.invokeConstructor(Type.getType(Object.class), Method.getMethod("void <init> ()"));
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                        {
                            final GeneratorAdapter mgen =
                                new GeneratorAdapter(Opcodes.ACC_PUBLIC, staticCtor, signature, exceptionTypes,
                                    writeClass);
                            mgen.visitCode();
                            mgen.loadThis();
                            for (int i = 0; i < argumentTypes.length; i++) {
                                mgen.loadArg(i);
                            }
                            mgen.invokeConstructor(supertype, staticCtor);
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                            final Method instanceCtor =
                                new Method(INIT, Type.VOID_TYPE, ArrayUtils.add(argumentTypes, 0, OBJECT_TYPE));
                            final GeneratorAdapter mgen =
                                new GeneratorAdapter(Opcodes.ACC_PUBLIC, instanceCtor, signature, exceptionTypes,
                                    writeClass);
                            mgen.visitCode();
                            mgen.loadThis();
                            for (int i = 0; i < argumentTypes.length; i++) {
                                mgen.loadArg(i + 1);
                            }
                            mgen.invokeConstructor(supertype, staticCtor);
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    // Constructor
    GeneratorAdapter gen = new GeneratorAdapter(writer.visitMethod(
        Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[0]),
        Opcodes.ACC_PUBLIC, "<init>", "()V");
    gen.visitCode();
    gen.loadThis();
    gen.invokeConstructor(Type.getType(Object.class), new Method("<init>",
        "()V"));
    gen.loadThis();
    final int size = runtime.generateDataAccessor(classid, className, 2,
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    // get()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC,
        "get", "()[Z", null, new String[0]), Opcodes.ACC_PUBLIC, "get",
        "()[Z");
    gen.visitCode();
    gen.loadThis();
    gen.getField(classType, "data", GeneratorConstants.PROBEDATA_TYPE);
    gen.returnValue();
    gen.visitMaxs(1, 0);
    gen.visitEnd();
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    gen.visitEnd();

    // a()
    gen = new GeneratorAdapter(writer.visitMethod(Opcodes.ACC_PUBLIC, "a",
        "()V", null, new String[0]), Opcodes.ACC_PUBLIC, "a", "()V");
    gen.visitCode();
    gen.loadThis();
    gen.getField(classType, "data", GeneratorConstants.PROBEDATA_TYPE);
    gen.push(0);
    gen.push(1);
    gen.arrayStore(Type.BOOLEAN_TYPE);
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