Package org.objectweb.asm

Examples of org.objectweb.asm.ClassWriter.visitMethod()

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        // end constructor
        initMethod.voidreturn();
        initMethod.end();
       
        // start setup method
        SkinnyMethodAdapter setupMethod = new SkinnyMethodAdapter(cw.visitMethod(ACC_STATIC | ACC_PUBLIC | ACC_SYNTHETIC, "__setup__", sig(void.class, RubyClass.class), null, null));
        setupMethod.start();
       
        // set RubyClass
        setupMethod.aload(0);
        setupMethod.dup();
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            for (Method method : entry.getValue()) {
                Class[] paramTypes = method.getParameterTypes();
                Class returnType = method.getReturnType();
               
                SkinnyMethodAdapter mv = new SkinnyMethodAdapter(
                        cw.visitMethod(ACC_PUBLIC, simpleName, sig(returnType, paramTypes), null, null));
                mv.start();
               
                // TODO: this code should really check if a Ruby equals method is implemented or not.
                if(simpleName.equals("equals") && paramTypes.length == 1 && paramTypes[0] == Object.class && returnType == Boolean.TYPE) {
                    mv.aload(0);
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    @Deprecated
    private ClassWriter createCtor(String namePath) throws Exception {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, namePath, null, SUPER_CLASS, null);
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, SUPER_CLASS, "<init>", "()V");
        Label line = new Label();
        mv.visitLineNumber(0, line);
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    @Deprecated
    private ClassWriter createCtorFast(String namePath) throws Exception {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, namePath, null, FAST_SUPER_CLASS, null);
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, FAST_SUPER_CLASS, "<init>", "()V");
        Label line = new Label();
        mv.visitLineNumber(0, line);
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    private ClassWriter createBlockCtor(String namePath) throws Exception {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, namePath, null, p(AbstractCompiledBlockCallback.class), null);
        cw.visitField(ACC_PRIVATE | ACC_FINAL, "$scriptObject", ci(Object.class), null, null);
        SkinnyMethodAdapter mv = new SkinnyMethodAdapter(cw.visitMethod(ACC_PUBLIC, "<init>", sig(Void.TYPE, params(Object.class)), null, null));
        mv.start();
        mv.aload(0);
        mv.aload(1);
        mv.invokespecial(p(AbstractCompiledBlockCallback.class), "<init>", sig(void.class, Object.class));
        mv.voidreturn();
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        make_invoke_method(cw, self_type, arity);

        CompilerVisitor.make_invoketail_method(cw, self_type, arity, 0);

        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "arity", "()I", null, null);
        mv.visitCode();
        mv.visitLdcInsn(new Integer(arity));
        mv.visitInsn(Opcodes.IRETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
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        mv.visitLdcInsn(new Integer(arity));
        mv.visitInsn(Opcodes.IRETURN);
        mv.visitMaxs(2, 2);
        mv.visitEnd();

        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "invoke", "("
                + EPROC_TYPE.getDescriptor() + EOBJECT_ARR_TYPE.getDescriptor()
                + ")" + EOBJECT_TYPE.getDescriptor(), null, PAUSABLE_EX);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0); // load this
        mv.visitVarInsn(Opcodes.ALOAD, 1); // load proc
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        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(arity + 2, arity + 2);
        mv.visitEnd();

        mv = cw.visitMethod(Opcodes.ACC_PROTECTED, "<init>", "()V", null, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, EFUN_TYPE.getInternalName(),
                "<init>", "()V");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(1, 1);
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            cw.visitField(ACC_PRIVATE | ACC_FINAL, "function_name", EATOM_DESC, null, null)
                    .visitEnd();


            // make constructor
            MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "("
                    + EFUNHANDLER_TYPE.getDescriptor()
                    + EATOM_DESC
                    + EATOM_DESC
                    + ")V", null, null);
            mv.visitCode();
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            mv.visitInsn(RETURN);
            mv.visitMaxs(4, 4);
            mv.visitEnd();

            /** forward toString to handler */
            mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0); // load self
            mv.visitFieldInsn(GETFIELD, self_type, "handler", EFUNHANDLER_TYPE.getDescriptor());
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;");
            mv.visitInsn(ARETURN);
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