#![doc(html_root_url = "https://docs.rs/wasm-bindgen-macro/0.2")]

extern crate proc_macro;
#[macro_use]
extern crate quote;
extern crate wasm_bindgen_macro_support as macro_support;

use proc_macro::TokenStream;

#[proc_macro_attribute]
pub fn wasm_bindgen(attr: TokenStream, input: TokenStream) -> TokenStream {
    match macro_support::expand(attr.into(), input.into()) {
        Ok(tokens) => {
            if cfg!(feature = "xxx_debug_only_print_generated_code") {
                println!("{}", tokens);
            }
            tokens.into()
        }
        Err(diagnostic) => (quote! { #diagnostic }).into(),
    }
}