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// Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in // the documentation and/or other materials provided with the // distribution. // * Neither the name of Baidu, Inc., nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. //! This crate provides sgx_serialize's two derive macros. //! //! ```rust,ignore //! extern crate sgx_tstd as std; // Must do that! //! #[derive(Serializable, DeSerializable)] //! ``` //! // The `quote!` macro requires deep recursion. #![recursion_limit = "192"] #![allow(unused_macros)] #![allow(dead_code)] #[macro_use] extern crate quote; extern crate proc_macro; use proc_macro::TokenStream; extern crate syn; extern crate sgx_serialize_derive_internals as internals; mod param; mod bound; #[macro_use] mod fragment; mod encode; mod decode; /// `derive_serialize` provides the `Serializable` macro for `sgx_serialize /// /// `derive_serialize` takes one parameter typed `TokenStream` and parse the /// input stream brought by it. Then expand the parsed the result as return /// value. #[proc_macro_derive(Serializable, attributes(sgx_serialize))] pub fn derive_serialize(input: TokenStream) -> TokenStream { let input = syn::parse_derive_input(&input.to_string()).unwrap(); match encode::expand_derive_serialize(&input) { Ok(expanded) => expanded.parse().unwrap(), Err(msg) => panic!(msg), } } /// `derive_deserialize` provides the `DeSerializable` macro for `sgx_serialize /// /// `derive_deserialize` takes one parameter typed `TokenStream` and parse the /// input stream brought by it. Then expand the parsed the result as return /// value. #[proc_macro_derive(DeSerializable, attributes(sgx_serialize))] pub fn derive_deserialize(input: TokenStream) -> TokenStream { let input = syn::parse_derive_input(&input.to_string()).unwrap(); match decode::expand_derive_deserialize(&input) { Ok(expanded) => expanded.parse().unwrap(), Err(msg) => panic!(msg), } }