mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-03 15:47:24 +00:00
Bernhard Schuster
67 lines
2.3 KiB
Rust
67 lines
2.3 KiB
Rust
// Copyright (C) 2022 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::TokenStream;
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use syn::{parse2, Result};
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use super::{parse::*, *};
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pub(crate) fn impl_orchestra_gen(
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attr: TokenStream,
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orig: TokenStream,
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) -> Result<proc_macro2::TokenStream> {
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let args: OrchestraAttrArgs = parse2(attr)?;
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let message_wrapper = args.message_wrapper;
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let of: OrchestraGuts = parse2(orig)?;
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let support_crate = support_crate().expect("The crate this macro is run for, includes the proc-macro support as dependency, otherwise it could not be run in the first place. qed");
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let info = OrchestraInfo {
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support_crate,
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subsystems: of.subsystems,
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baggage: of.baggage,
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orchestra_name: of.name,
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message_wrapper,
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message_channel_capacity: args.message_channel_capacity,
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signal_channel_capacity: args.signal_channel_capacity,
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extern_event_ty: args.extern_event_ty,
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extern_signal_ty: args.extern_signal_ty,
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extern_error_ty: args.extern_error_ty,
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outgoing_ty: args.outgoing_ty,
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};
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let mut additive = impl_orchestra_struct(&info);
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additive.extend(impl_builder(&info));
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additive.extend(impl_orchestrated_subsystem(&info));
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additive.extend(impl_channels_out_struct(&info));
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additive.extend(impl_subsystem_types_all(&info)?);
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additive.extend(impl_message_wrapper_enum(&info)?);
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let ts = expander::Expander::new("orchestra-expansion")
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.add_comment("Generated orchestra code by `#[orchestra(..)]`".to_owned())
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.dry(!cfg!(feature = "expand"))
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.verbose(true)
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// once all our needed format options are available on stable
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// we should enabled this again, until then too many warnings
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// are generated
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// .fmt(expander::Edition::_2021)
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.write_to_out_dir(additive)
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.expect("Expander does not fail due to IO in OUT_DIR. qed");
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Ok(ts)
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}
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