sgx_serialize_derive/src/lib.rs

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//! 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),
    }
}