Package org.perl6.nqp.sixmodel.reprs

Examples of org.perl6.nqp.sixmodel.reprs.NativeCallBody

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            public void completed(AsynchronousSocketChannel channel, AsyncTaskInstance task) {
                listenChan.accept(task, this);
                ThreadContext curTC = tc.gc.getCurrentThreadContext();

                AsyncSocketHandle handle = new AsyncSocketHandle(curTC, channel);
                IOHandleInstance ioHandle = (IOHandleInstance) IOType.st.REPR.allocate(curTC,
                        IOType.st);
                ioHandle.handle = handle;

                SixModelObject result = Array.st.REPR.allocate(curTC, Array.st);
                result.push_boxed(curTC, task.schedulee);
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            @Override
            public void completed(Void v, AsyncTaskInstance task) {
                ThreadContext curTC = tc.gc.getCurrentThreadContext();

                IOHandleInstance ioHandle = (IOHandleInstance) IOType.st.REPR.allocate(curTC,
                        IOType.st);
                ioHandle.handle = task.handle;
                callback(curTC, task, ioHandle, Str);
            }
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            /* ...then an array of hashes per attribute... */
            SixModelObject attr_info_list = tc.gc.BOOTArray.st.REPR.allocate(tc, tc.gc.BOOTArray.st);
            type_info.push_boxed(tc, attr_info_list);
            List<SixModelObject> attributes = ((KnowHOWREPRInstance)self).attributes;
            for (int i = 0; i < attributes.size(); i++) {
                KnowHOWAttributeInstance attribute = (KnowHOWAttributeInstance)attributes.get(i);
                SixModelObject attr_info = tc.gc.BOOTHash.st.REPR.allocate(tc, tc.gc.BOOTHash.st);
                SixModelObject name_obj = tc.gc.BOOTStr.st.REPR.allocate(tc, tc.gc.BOOTStr.st);
                name_obj.set_str(tc, attribute.name);
                attr_info.bind_key_boxed(tc, "name", name_obj);
                attr_info.bind_key_boxed(tc, "type", attribute.type);
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            SixModelObject type_arg = Ops.namedparam_opt_o(cf, csd, args, "type");
            long bt_arg = Ops.namedparam_opt_i(cf, csd, args, "box_target");
   
            /* Allocate attribute object. */
            REPR repr = REPRRegistry.getByName("KnowHOWAttribute");
            KnowHOWAttributeInstance obj = (KnowHOWAttributeInstance)repr.allocate(tc, self.st);
           
            /* Populate it. */
            obj.name = name_arg;
            obj.type = type_arg != null ? type_arg : tc.gc.KnowHOW;
            obj.box_target = bt_arg == 0 ? 0 : 1;
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        /* We create a KnowHOW instance that can describe itself. This means
         * (once we tie the knot) that .HOW.HOW.HOW.HOW etc will always return
         * that, which closes the model up. */
        STable st = new STable(REPR, null);
        st.WHAT = knowhow;
        KnowHOWREPRInstance knowhow_how = (KnowHOWREPRInstance)REPR.allocate(tc, st);
        st.HOW = knowhow_how;
        knowhow_how.st = st;
       
        /* Add various methods to the KnowHOW's HOW. */
        knowhow_how.methods.put("new_type", knowhowUnit.lookupCodeRef("new_type"));
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    }

    private static void bootstrapKnowHOWAttribute(ThreadContext tc, CompilationUnit knowhowUnit) {       
        /* Create meta-object. */
        SixModelObject knowhow_how = tc.gc.KnowHOW.st.HOW;
        KnowHOWREPRInstance meta_obj = (KnowHOWREPRInstance)knowhow_how.st.REPR.allocate(tc, knowhow_how.st);
       
        /* Add methods. */
        meta_obj.methods.put("new", knowhowUnit.lookupCodeRef("attr_new"));
        meta_obj.methods.put("compose", knowhowUnit.lookupCodeRef("attr_compose"));
        meta_obj.methods.put("name", knowhowUnit.lookupCodeRef("attr_name"));
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        tc.gc.KnowHOWAttribute = type_obj;
    }
   
    private static SixModelObject bootType(ThreadContext tc, String typeName, String reprName) {
        SixModelObject knowhow_how = tc.gc.KnowHOW.st.HOW;
        KnowHOWREPRInstance meta_obj = (KnowHOWREPRInstance)knowhow_how.st.REPR.allocate(tc, knowhow_how.st);
        meta_obj.name = typeName;
        REPR repr = REPRRegistry.getByName(reprName);
        SixModelObject type_obj = repr.type_object_for(tc, meta_obj);
        type_obj.st.MethodCache = meta_obj.methods;
        type_obj.st.ModeFlags = STable.METHOD_CACHE_AUTHORITATIVE;
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         * REPRRegistry.java. */
        return 1L;
    }

    public static long build(SixModelObject target, String libname, String symbol, String convention, SixModelObject arguments, SixModelObject returns, ThreadContext tc) {
        NativeCallBody call = getNativeCallBody(tc, target);

        try {
            /* Load the library and locate the symbol. */
            /* TODO: Error handling! */
            NativeLibrary library = libname == null || libname.equals("")
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            throw ExceptionHandling.dieInternal(tc, t);
        }
    }

    public static SixModelObject call(SixModelObject returns, SixModelObject callObject, SixModelObject arguments, ThreadContext tc) {
        NativeCallBody call = getNativeCallBody(tc, callObject);

        try {
            /* Convert arguments into array of appropriate objects. */
            int n = (int) arguments.elems(tc);
            /* TODO: Make sure n == call.arg_types.length? */
 
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        return nqpobj;
    }

    private static REPR ncrepr = REPRRegistry.getByName("NativeCall");
    private static NativeCallBody getNativeCallBody(ThreadContext tc, SixModelObject target) {
        NativeCallBody call;
        if (target instanceof NativeCallInstance) {
            call = ((NativeCallInstance)target).body;
        }
        else {
            call = (NativeCallBody)target.get_boxing_of(tc, ncrepr.ID);
            if (call == null) {
                call = new NativeCallBody();
                target.set_boxing_of(tc, ncrepr.ID, call);
            }
        }
        return call;
    }
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