//! Crate `ruma_events_macros` provides a procedural macro for generating //! [ruma-events](https://github.com/ruma/ruma-events) events. //! //! See the documentation for the individual macros for usage details. #![deny(missing_copy_implementations, missing_debug_implementations, missing_docs)] extern crate proc_macro; use proc_macro::TokenStream; use syn::{parse_macro_input, DeriveInput}; use self::{ content_enum::{expand_content_enum, ContentEnumInput}, event::expand_event, event_content::{ expand_basic_event_content, expand_ephemeral_room_event_content, expand_event_content, expand_message_event_content, expand_room_event_content, expand_state_event_content, }, }; mod content_enum; mod event; mod event_content; /// Generates a content enum to represent the various Matrix event types. /// /// This macro also implements the necessary traits for the type to serialize and deserialize /// itself. #[proc_macro] pub fn event_content_enum(input: TokenStream) -> TokenStream { let content_enum_input = syn::parse_macro_input!(input as ContentEnumInput); expand_content_enum(content_enum_input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::EventContent`. #[proc_macro_derive(EventContent, attributes(ruma_event))] pub fn derive_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::BasicEventContent` and it's super traits. #[proc_macro_derive(BasicEventContent, attributes(ruma_event))] pub fn derive_basic_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_basic_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::RoomEventContent` and it's super traits. #[proc_macro_derive(RoomEventContent, attributes(ruma_event))] pub fn derive_room_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_room_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::MessageEventContent` and it's super traits. #[proc_macro_derive(MessageEventContent, attributes(ruma_event))] pub fn derive_message_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_message_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::StateEventContent` and it's super traits. #[proc_macro_derive(StateEventContent, attributes(ruma_event))] pub fn derive_state_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_state_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates an implementation of `ruma_events::EphemeralRoomEventContent` and it's super traits. #[proc_macro_derive(EphemeralRoomEventContent, attributes(ruma_event))] pub fn derive_ephemeral_room_event_content(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_ephemeral_room_event_content(input).unwrap_or_else(|err| err.to_compile_error()).into() } /// Generates implementations needed to serialize and deserialize Matrix events. #[proc_macro_derive(Event, attributes(ruma_event))] pub fn derive_state_event(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); expand_event(input).unwrap_or_else(|err| err.to_compile_error()).into() }