mirror of
https://github.com/AppFlowy-IO/AppFlowy.git
synced 2024-08-30 18:12:39 +00:00
52 lines
1.5 KiB
Rust
52 lines
1.5 KiB
Rust
// https://docs.rs/syn/1.0.48/syn/struct.DeriveInput.html
|
|
extern crate proc_macro;
|
|
|
|
use proc_macro::TokenStream;
|
|
use quote::quote;
|
|
use syn::{parse_macro_input, DeriveInput};
|
|
|
|
#[macro_use]
|
|
extern crate quote;
|
|
|
|
mod dart_event;
|
|
mod node;
|
|
mod proto_buf;
|
|
|
|
// Inspired by https://serde.rs/attributes.html
|
|
#[proc_macro_derive(ProtoBuf, attributes(pb))]
|
|
pub fn derive_proto_buf(input: TokenStream) -> TokenStream {
|
|
let input = parse_macro_input!(input as DeriveInput);
|
|
proto_buf::expand_derive(&input)
|
|
.unwrap_or_else(to_compile_errors)
|
|
.into()
|
|
}
|
|
|
|
#[proc_macro_derive(ProtoBuf_Enum, attributes(pb))]
|
|
pub fn derive_proto_buf_enum(input: TokenStream) -> TokenStream {
|
|
let input = parse_macro_input!(input as DeriveInput);
|
|
proto_buf::expand_enum_derive(&input)
|
|
.unwrap_or_else(to_compile_errors)
|
|
.into()
|
|
}
|
|
|
|
#[proc_macro_derive(Flowy_Event, attributes(event, event_err))]
|
|
pub fn derive_dart_event(input: TokenStream) -> TokenStream {
|
|
let input = parse_macro_input!(input as DeriveInput);
|
|
dart_event::expand_enum_derive(&input)
|
|
.unwrap_or_else(to_compile_errors)
|
|
.into()
|
|
}
|
|
|
|
#[proc_macro_derive(Node, attributes(node, nodes, node_type))]
|
|
pub fn derive_node(input: TokenStream) -> TokenStream {
|
|
let input = parse_macro_input!(input as DeriveInput);
|
|
node::expand_derive(&input)
|
|
.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)*)
|
|
}
|