56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
// This file is part of Substrate.
|
|
|
|
// Copyright (C) Parity Technologies (UK) Ltd.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
use crate::{pallet::Def, COUNTER};
|
|
use proc_macro2::TokenStream;
|
|
use quote::quote;
|
|
use syn::{spanned::Spanned, Ident};
|
|
|
|
pub fn expand_inherents(def: &mut Def) -> TokenStream {
|
|
let count = COUNTER.with(|counter| counter.borrow_mut().inc());
|
|
let macro_ident = Ident::new(&format!("__is_inherent_part_defined_{}", count), def.item.span());
|
|
|
|
let maybe_compile_error = if def.inherent.is_none() {
|
|
quote! {
|
|
compile_error!(concat!(
|
|
"`",
|
|
stringify!($pallet_name),
|
|
"` does not have #[pallet::inherent] defined, perhaps you should \
|
|
remove `Inherent` from construct_runtime?",
|
|
));
|
|
}
|
|
} else {
|
|
TokenStream::new()
|
|
};
|
|
|
|
quote! {
|
|
#[doc(hidden)]
|
|
pub mod __substrate_inherent_check {
|
|
#[macro_export]
|
|
#[doc(hidden)]
|
|
macro_rules! #macro_ident {
|
|
($pallet_name:ident) => {
|
|
#maybe_compile_error
|
|
}
|
|
}
|
|
|
|
#[doc(hidden)]
|
|
pub use #macro_ident as is_inherent_part_defined;
|
|
}
|
|
}
|
|
}
|