Examples of org.mozilla.classfile.ClassFileWriter.startMethod()

Class org.mozilla.classfile.ClassFileWriter

Examples of org.mozilla.classfile.ClassFileWriter.startMethod()

org.mozilla.classfile.ClassFileWriter.startMethod()
Add a method and begin adding code. This method must be called before other methods for adding code, exception tables, etc. can be invoked. @param methodName the name of the method @param type a string representing the type @param flags the attributes of the field, such as ACC_PUBLIC, etc.bitwise or'd together

    static byte[] mozillaClassFileHelloWorld() {
        ClassFileWriter c = new ClassFileWriter("HelloWorld",
                "java/lang/Object",
                "HelloWorld.java");


        c.startMethod("<init>", "()V", ClassFileWriter.ACC_PUBLIC);
        c.addLoadThis();
        c.addInvoke(ByteCode.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        c.add(ByteCode.RETURN);
        c.stopMethod((short) 1);

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        c.addLoadThis();
        c.addInvoke(ByteCode.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        c.add(ByteCode.RETURN);
        c.stopMethod((short) 1);


        c.startMethod("main",
                "()V",
                (short) (ClassFileWriter.ACC_PUBLIC | ClassFileWriter.ACC_STATIC));
        c.add(ByteCode.GETSTATIC,
                "java/lang/System",
                "out",

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    {
        String secureCallerClassName = SecureCaller.class.getName();
        ClassFileWriter cfw = new ClassFileWriter(
                secureCallerClassName + "Impl", secureCallerClassName, 
                "<generated>");
        cfw.startMethod("<init>", "()V", ClassFileWriter.ACC_PUBLIC);
        cfw.addALoad(0);
        cfw.addInvoke(ByteCode.INVOKESPECIAL, secureCallerClassName, 
                "<init>", "()V");
        cfw.add(ByteCode.RETURN);
        cfw.stopMethod((short)1);

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            "Lorg/mozilla/javascript/Context;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "[Ljava/lang/Object;)Ljava/lang/Object;";
        
        cfw.startMethod("call",
                "(Lorg/mozilla/javascript/Callable;" + callableCallSig,
                (short)(ClassFileWriter.ACC_PUBLIC
                        | ClassFileWriter.ACC_FINAL));
        for(int i = 1; i < 6; ++i) {
            cfw.addALoad(i);

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    {
        String secureCallerClassName = SecureCaller.class.getName();
        ClassFileWriter cfw = new ClassFileWriter(
                secureCallerClassName + "Impl", secureCallerClassName, 
                "<generated>");
        cfw.startMethod("<init>", "()V", ClassFileWriter.ACC_PUBLIC);
        cfw.addALoad(0);
        cfw.addInvoke(ByteCode.INVOKESPECIAL, secureCallerClassName, 
                "<init>", "()V");
        cfw.add(ByteCode.RETURN);
        cfw.stopMethod((short)1);

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            "Lorg/mozilla/javascript/Context;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "[Ljava/lang/Object;)Ljava/lang/Object;";
        
        cfw.startMethod("call",
                "(Lorg/mozilla/javascript/Callable;" + callableCallSig,
                (short)(ClassFileWriter.ACC_PUBLIC
                        | ClassFileWriter.ACC_FINAL));
        for(int i = 1; i < 6; ++i) {
            cfw.addALoad(i);

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    {
        String secureCallerClassName = SecureCaller.class.getName();
        ClassFileWriter cfw = new ClassFileWriter(
                secureCallerClassName + "Impl", secureCallerClassName, 
                "<generated>");
        cfw.startMethod("<init>", "()V", ClassFileWriter.ACC_PUBLIC);
        cfw.addALoad(0);
        cfw.addInvoke(ByteCode.INVOKESPECIAL, secureCallerClassName, 
                "<init>", "()V");
        cfw.add(ByteCode.RETURN);
        cfw.stopMethod((short)1);

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            "Lorg/mozilla/javascript/Context;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "Lorg/mozilla/javascript/Scriptable;" +
            "[Ljava/lang/Object;)Ljava/lang/Object;";
        
        cfw.startMethod("call",
                "(Lorg/mozilla/javascript/Callable;" + callableCallSig,
                (short)(ClassFileWriter.ACC_PUBLIC
                        | ClassFileWriter.ACC_FINAL));
        for(int i = 1; i < 6; ++i) {
            cfw.addALoad(i);

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                "<init>", "()", "V");
        cfw.add(ByteCode.RETURN);
        cfw.stopMethod((short)1, null); // one argument -- this???


        // Add the invoke() method call
        cfw.startMethod("invoke",
                        "(Ljava/lang/Object;[Ljava/lang/Object;)"+
                         "Ljava/lang/Object;",
                        (short)(ClassFileWriter.ACC_PUBLIC |
                                ClassFileWriter.ACC_FINAL));

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                                "org.mozilla.javascript.Invoker", "");
        cfw.setFlags((short)(ClassFileWriter.ACC_PUBLIC |
                             ClassFileWriter.ACC_FINAL));


        // Add our instantiator!
        cfw.startMethod("<init>", "()V", ClassFileWriter.ACC_PUBLIC);
        cfw.add(ByteCode.ALOAD_0);
        cfw.add(ByteCode.INVOKESPECIAL,
                "org.mozilla.javascript.Invoker",
                "<init>", "()", "V");
        cfw.add(ByteCode.RETURN);

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