sgx_align_struct_attribute/src/lib.rs

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// to you under the Apache License, Version 2.0 (the
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//   http://www.apache.org/licenses/LICENSE-2.0
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extern crate proc_macro;
use align::{AlignArgs, AlignStruct};
use syn::{parse_macro_input, DeriveInput};

mod align;
mod layout;

#[proc_macro_attribute]
pub fn sgx_align(
    args: proc_macro::TokenStream,
    input: proc_macro::TokenStream,
) -> proc_macro::TokenStream {
    let args = parse_macro_input!(args as AlignArgs);
    let layout = args.get_layout().expect("Attribute args error");
    let input = parse_macro_input!(input as DeriveInput);
    let mut alignstruct = AlignStruct::new(layout, input);
    let expanded = alignstruct.build();
    proc_macro::TokenStream::from(expanded)
}