mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-19 13:25:44 +00:00
Sacha Lansky
df07421904
* Fix docs urls * Update bin/node-template/README.md * Update frame/aura/src/lib.rs * Run cargo +nightly fmt Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
113 lines
3.2 KiB
Rust
113 lines
3.2 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2020-2022 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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mod call;
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mod config;
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mod constants;
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mod error;
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mod event;
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mod genesis_build;
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mod genesis_config;
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mod hooks;
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mod inherent;
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mod instances;
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mod origin;
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mod pallet_struct;
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mod storage;
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mod store_trait;
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mod tt_default_parts;
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mod type_value;
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mod validate_unsigned;
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use crate::pallet::Def;
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use frame_support_procedural_tools::get_doc_literals;
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use quote::ToTokens;
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/// Merge where clause together, `where` token span is taken from the first not none one.
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pub fn merge_where_clauses(clauses: &[&Option<syn::WhereClause>]) -> Option<syn::WhereClause> {
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let mut clauses = clauses.iter().filter_map(|f| f.as_ref());
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let mut res = clauses.next()?.clone();
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for other in clauses {
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res.predicates.extend(other.predicates.iter().cloned())
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}
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Some(res)
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}
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/// Expand definition, in particular:
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/// * add some bounds and variants to type defined,
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/// * create some new types,
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/// * impl stuff on them.
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pub fn expand(mut def: Def) -> proc_macro2::TokenStream {
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let constants = constants::expand_constants(&mut def);
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let pallet_struct = pallet_struct::expand_pallet_struct(&mut def);
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let config = config::expand_config(&mut def);
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let call = call::expand_call(&mut def);
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let error = error::expand_error(&mut def);
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let event = event::expand_event(&mut def);
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let storages = storage::expand_storages(&mut def);
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let inherents = inherent::expand_inherents(&mut def);
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let instances = instances::expand_instances(&mut def);
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let store_trait = store_trait::expand_store_trait(&mut def);
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let hooks = hooks::expand_hooks(&mut def);
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let genesis_build = genesis_build::expand_genesis_build(&mut def);
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let genesis_config = genesis_config::expand_genesis_config(&mut def);
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let type_values = type_value::expand_type_values(&mut def);
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let origins = origin::expand_origins(&mut def);
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let validate_unsigned = validate_unsigned::expand_validate_unsigned(&mut def);
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let tt_default_parts = tt_default_parts::expand_tt_default_parts(&mut def);
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if get_doc_literals(&def.item.attrs).is_empty() {
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def.item.attrs.push(syn::parse_quote!(
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#[doc = r"
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The module that hosts all the
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[FRAME](https://docs.substrate.io/main-docs/build/events-errors/)
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types needed to add this pallet to a
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runtime.
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"]
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));
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}
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let new_items = quote::quote!(
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#constants
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#pallet_struct
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#config
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#call
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#error
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#event
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#storages
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#inherents
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#instances
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#store_trait
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#hooks
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#genesis_build
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#genesis_config
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#type_values
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#origins
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#validate_unsigned
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#tt_default_parts
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);
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def.item
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.content
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.as_mut()
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.expect("This is checked by parsing")
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.1
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.push(syn::Item::Verbatim(new_items));
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def.item.into_token_stream()
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}
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