Examples of com.headius.invokebinder.Binder

com.headius.invokebinder.Binder
ng w(String, String) .drop(1, String.class) // String x(String) .insert(0, 'hello') // String y(String, String) .cast(String.class, CharSequence.class, Object.class) // String z(CharSequence, Object)String .invoke(someTargetHandle);

        // we can handle this; do remaining transforms and return
        if (returnFilter != null) {
            Class[] newNativeParams = nativeTarget.type().parameterArray();
            Class newNativeReturn = nativeTarget.type().returnType();


            Binder exBinder = Binder
                    .from(newNativeReturn, Throwable.class, newNativeParams)
                    .drop(1, newNativeParams.length)
                    .insert(0, runtime);
            if (nativeReturn != void.class) {
                exBinder = exBinder
                        .filterReturn(Binder
                                .from(newNativeReturn)
                                .constant(nullValue(newNativeReturn)));
            }

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        MethodHandle mh = null;
        if (method.getNativeCall() != null) {
            DynamicMethod.NativeCall nc = method.getNativeCall();
            if (method.getArity().isFixed()) {
                if (method.getArity().getValue() <= 3) {
                    Binder b = Binder.from(site.type());
                    if (!nc.hasContext()) {
                        b.drop(0);
                    }


                    if (nc.hasBlock() && !block) {
                        b.insert(site.type().parameterCount() - 1, Block.NULL_BLOCK);
                    } else if (!nc.hasBlock() && block) {
                        b.drop(site.type().parameterCount() - 2, 1);
                    }




                    if (nc.isStatic()) {
                        if (b.type().parameterCount() == nc.getNativeSignature().length) {
                            mh = b
                                    .cast(nc.getNativeReturn(), nc.getNativeSignature())
                                    .invokeStaticQuiet(MethodHandles.lookup(), nc.getNativeTarget(), nc.getNativeName());
//                            System.out.println(mh);
                        }
                    } else {
//                        System.out.println(b.type());
//                        System.out.println(Arrays.toString(nc.getNativeSignature()));
                        if (b.type().parameterCount() == nc.getNativeSignature().length + 1) {
                            // only threadcontext-receivers right now
                            mh = b
                                    .permute(PERMUTES[arity])
                                    .cast(MethodType.methodType(nc.getNativeReturn(), nc.getNativeTarget(), nc.getNativeSignature()))
                                    .invokeVirtualQuiet(MethodHandles.lookup(), nc.getNativeName());
//                            System.out.println(mh);
                        }

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        // we can handle this; do remaining transforms and return
        if (returnFilter != null) {
            Class[] newNativeParams = nativeTarget.type().parameterArray();
            Class newNativeReturn = nativeTarget.type().returnType();


            Binder exBinder = Binder
                    .from(newNativeReturn, Throwable.class, newNativeParams)
                    .drop(1, newNativeParams.length)
                    .insert(0, runtime);
            if (nativeReturn != void.class) {
                exBinder = exBinder
                        .filterReturn(Binder
                                .from(newNativeReturn)
                                .constant(nullValue(newNativeReturn)));
            }

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                .insert(1, cls.getRuntime().getNil())
                .cast(IRubyObject.class, IRubyObject.class, IRubyObject.class)
                .invokeStaticQuiet(lookup(), InvocationLinker.class, "valueOrNil");
        
        if (accessor instanceof FieldVariableAccessor) {
            Binder b = Binder
                    .from(site.type())
                    .permute(2)
                    .filterReturn(filter);
            
            int offset = ((FieldVariableAccessor)accessor).getOffset();
            Class objCls = InvokeDynamicSupport.REIFIED_OBJECT_CLASSES[offset];
            nativeTarget = b
                    .cast(Object.class, objCls)
                    .getFieldQuiet(lookup(), "var" + offset);
        } else {
            nativeTarget = Binder
                    .from(site.type())

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                .from(IRubyObject.class, Object.class)
                .drop(0)
                .constant(cls.getRuntime().getNil());
        
        if (accessor instanceof FieldVariableAccessor) {
            Binder b = Binder
                    .from(site.type())
                    .permute(2, 3)
                    .filterReturn(filter);
            
            int offset = ((FieldVariableAccessor)accessor).getOffset();
            Class objCls = InvokeDynamicSupport.REIFIED_OBJECT_CLASSES[offset];
            nativeTarget = b
                    .cast(void.class, objCls, Object.class)
                    .invokeStaticQuiet(lookup(), objCls, "setVariableChecked");
        } else {
            nativeTarget = Binder
                    .from(site.type())

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        if (entry == null) entry = EncodingDB.getAliases().get(encodingName.getBytes());
        if (entry == null) throw new RuntimeException("could not find encoding: " + encodingName);
        encoding = entry.getEncoding();
        ByteList byteList = new ByteList(value.getBytes(RubyEncoding.ISO), encoding);
        MutableCallSite site = new MutableCallSite(type);
        Binder binder = Binder
                .from(RubyString.class, ThreadContext.class)
                .insert(0, arrayOf(MutableCallSite.class, ByteList.class), site, byteList);
        if (name.equals("frozen")) {
            site.setTarget(binder.invokeStaticQuiet(lookup, Bootstrap.class, "frozenString"));
        } else {
            site.setTarget(binder.invokeStaticQuiet(lookup, Bootstrap.class, "string"));
        }


        return site;
    }

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      Lookup lookup = MethodHandles.lookup();


      MethodHandle originalHandle = lookup.findVirtual(type, method.getName(), description);


      Binder binder = createBinder(method, parameterTypes.length).cast(originalHandle.type());


      return binder.invokeVirtual(lookup, method.getName());
    } catch (Exception e) {
      throw new RuntimeException(e);
    }


  }

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Related Classes of com.headius.invokebinder.Binder

br.com.caelum.vraptor.reflection.MethodHandleFactory

com.headius.invokebinder.transform.Cast

com.headius.invokebinder.transform.Catch

com.headius.invokebinder.transform.Collect

com.headius.invokebinder.transform.Convert

com.headius.invokebinder.transform.Drop

com.headius.invokebinder.transform.Filter

com.headius.invokebinder.transform.FilterReturn

com.headius.invokebinder.transform.Fold

com.headius.invokebinder.transform.Insert

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