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#![doc(html_favicon_url = "https://www.ruma.io/favicon.ico")]
#![doc(html_logo_url = "https://www.ruma.io/images/logo.png")]
use proc_macro::TokenStream;
use quote::quote;
use syn::{parse_macro_input, DeriveInput, ItemEnum};
use deserialize_from_cow_str::expand_deserialize_from_cow_str;
use display_as_ref_str::expand_display_as_ref_str;
use enum_as_ref_str::expand_enum_as_ref_str;
use enum_from_string::expand_enum_from_string;
use eq_as_ref_str::expand_partial_eq_as_ref_str;
use ord_as_ref_str::{expand_ord_as_ref_str, expand_partial_ord_as_ref_str};
use outgoing::expand_derive_outgoing;
use serialize_as_ref_str::expand_serialize_as_ref_str;
mod attr;
mod case;
mod deserialize_from_cow_str;
mod display_as_ref_str;
mod enum_as_ref_str;
mod enum_from_string;
mod eq_as_ref_str;
mod ord_as_ref_str;
mod outgoing;
mod serialize_as_ref_str;
mod util;
#[proc_macro_derive(Outgoing, attributes(incoming_derive))]
pub fn derive_outgoing(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_derive_outgoing(input).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(AsRefStr, attributes(ruma_enum))]
pub fn derive_enum_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as ItemEnum);
expand_enum_as_ref_str(&input).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(FromString, attributes(ruma_enum))]
pub fn derive_enum_from_string(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as ItemEnum);
expand_enum_from_string(&input).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(DisplayAsRefStr)]
pub fn derive_display_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_display_as_ref_str(&input.ident).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(SerializeAsRefStr)]
pub fn derive_serialize_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_serialize_as_ref_str(&input.ident).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(DeserializeFromCowStr)]
pub fn derive_deserialize_from_cow_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_deserialize_from_cow_str(&input.ident)
.unwrap_or_else(syn::Error::into_compile_error)
.into()
}
#[proc_macro_derive(PartialOrdAsRefStr)]
pub fn derive_partial_ord_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_partial_ord_as_ref_str(&input.ident)
.unwrap_or_else(syn::Error::into_compile_error)
.into()
}
#[proc_macro_derive(OrdAsRefStr)]
pub fn derive_ord_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_ord_as_ref_str(&input.ident).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(PartialEqAsRefStr)]
pub fn derive_partial_eq_as_ref_str(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
expand_partial_eq_as_ref_str(&input.ident).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[proc_macro_derive(StringEnum, attributes(ruma_enum))]
pub fn derive_string_enum(input: TokenStream) -> TokenStream {
fn expand_all(input: ItemEnum) -> syn::Result<proc_macro2::TokenStream> {
let as_ref_str_impl = expand_enum_as_ref_str(&input)?;
let from_string_impl = expand_enum_from_string(&input)?;
let display_impl = expand_display_as_ref_str(&input.ident)?;
let serialize_impl = expand_serialize_as_ref_str(&input.ident)?;
let deserialize_impl = expand_deserialize_from_cow_str(&input.ident)?;
Ok(quote! {
#as_ref_str_impl
#from_string_impl
#display_impl
#serialize_impl
#deserialize_impl
})
}
let input = parse_macro_input!(input as ItemEnum);
expand_all(input).unwrap_or_else(syn::Error::into_compile_error).into()
}
#[doc(hidden)]
#[proc_macro_derive(_FakeDeriveSerde, attributes(serde))]
pub fn fake_derive_serde(_input: TokenStream) -> TokenStream {
TokenStream::new()
}