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#![recursion_limit = "1024"]
#[macro_use]
extern crate quote;
#[macro_use]
extern crate syn;
extern crate proc_macro;
extern crate proc_macro2;
use proc_macro::TokenStream;
use syn::DeriveInput;
mod com_wrapper;
#[proc_macro_derive(ComWrapper, attributes(com))]
pub fn derive_com_wrapper(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
com_wrapper::expand_com_wrapper(&input)
.unwrap_or_else(compile_error)
.into()
}
fn compile_error(message: String) -> proc_macro2::TokenStream {
quote! {
compile_error!(#message);
}
}