mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-11 21:11:07 +00:00
Bernhard Schuster
89 lines
2.5 KiB
Rust
89 lines
2.5 KiB
Rust
// Copyright (C) 2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use proc_macro2::{Ident, Span, TokenStream};
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use syn::{parse_quote, spanned::Spanned, Path};
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mod impl_builder;
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mod impl_channels_out;
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mod impl_message_wrapper;
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mod impl_orchestra;
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mod impl_subsystem_ctx_sender;
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mod orchestra;
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mod parse;
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mod subsystem;
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#[cfg(test)]
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mod tests;
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use impl_builder::*;
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use impl_channels_out::*;
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use impl_message_wrapper::*;
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use impl_orchestra::*;
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use impl_subsystem_ctx_sender::*;
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use parse::*;
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use self::{orchestra::*, subsystem::*};
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/// Obtain the support crate `Path` as `TokenStream`.
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pub(crate) fn support_crate() -> Result<Path, proc_macro_crate::Error> {
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Ok(if cfg!(test) {
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parse_quote! {crate}
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} else {
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use proc_macro_crate::{crate_name, FoundCrate};
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let crate_name = crate_name("orchestra")?;
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match crate_name {
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FoundCrate::Itself => parse_quote! {crate},
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FoundCrate::Name(name) => Ident::new(&name, Span::call_site()).into(),
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}
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})
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}
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#[proc_macro_attribute]
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pub fn orchestra(
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attr: proc_macro::TokenStream,
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item: proc_macro::TokenStream,
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) -> proc_macro::TokenStream {
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let attr: TokenStream = attr.into();
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let item: TokenStream = item.into();
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impl_orchestra_gen(attr, item)
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.unwrap_or_else(|err| err.to_compile_error())
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.into()
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}
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#[proc_macro_attribute]
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pub fn subsystem(
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attr: proc_macro::TokenStream,
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item: proc_macro::TokenStream,
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) -> proc_macro::TokenStream {
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let attr: TokenStream = attr.into();
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let item: TokenStream = item.into();
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impl_subsystem_context_trait_bounds(attr, item, MakeSubsystem::ImplSubsystemTrait)
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.unwrap_or_else(|err| err.to_compile_error())
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.into()
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}
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#[proc_macro_attribute]
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pub fn contextbounds(
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attr: proc_macro::TokenStream,
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item: proc_macro::TokenStream,
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) -> proc_macro::TokenStream {
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let attr: TokenStream = attr.into();
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let item: TokenStream = item.into();
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impl_subsystem_context_trait_bounds(attr, item, MakeSubsystem::AddContextTraitBounds)
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.unwrap_or_else(|err| err.to_compile_error())
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.into()
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}
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