extern crate proc_macro;
use quote::quote;
mod any;
mod context;
mod from_value;
mod internals;
mod to_value;
#[proc_macro_derive(FromValue, attributes(rune))]
pub fn from_value(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let input = syn::parse_macro_input!(input as syn::DeriveInput);
from_value::expand(&input)
.unwrap_or_else(to_compile_errors)
.into()
}
#[proc_macro_derive(ToValue, attributes(rune))]
pub fn to_value(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let input = syn::parse_macro_input!(input as syn::DeriveInput);
to_value::expand(&input)
.unwrap_or_else(to_compile_errors)
.into()
}
#[proc_macro_derive(Any, attributes(rune))]
pub fn any(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let derive = syn::parse_macro_input!(input as any::Derive);
derive.expand().unwrap_or_else(to_compile_errors).into()
}
#[proc_macro]
#[doc(hidden)]
pub fn __internal_impl_any(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let internal_call = syn::parse_macro_input!(input as any::InternalCall);
internal_call
.expand()
.unwrap_or_else(to_compile_errors)
.into()
}
fn to_compile_errors(errors: Vec<syn::Error>) -> proc_macro2::TokenStream {
let compile_errors = errors.iter().map(syn::Error::to_compile_error);
quote!(#(#compile_errors)*)
}