sgx_serialize_derive/src/param.rs

// Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
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use syn::{self, Ident};
use internals::ast::Container;
use bound;

#[derive(Debug)]
pub struct Parameters {
    /// Variable holding the value being serialized. Either `self` for local
    /// types or `__self` for remote types.
    pub self_var: Ident,

    /// Path to the type the impl is for. Either a single `Ident` for local
    /// types or `some::remote::Ident` for remote types. Does not include
    /// generic parameters.
    pub this: syn::Path,

    /// Generics including any explicit and inferred bounds for the impl.
    pub generics: syn::Generics,
}

impl Parameters {
    pub fn new(cont: &Container) -> Self {
        let self_var = Ident::new("self");

        let this = cont.ident.clone().into();

        let generics = build_generics(cont);

        Parameters {
            self_var: self_var,
            this: this,
            generics: generics,
        }
    }
}

// All the generics in the input, plus a bound `T: Serialize` for each generic
// field type that will be serialized by us.
fn build_generics(cont: &Container) -> syn::Generics {
    bound::without_defaults(cont.generics)
}