mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 09:17:58 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
55 lines
1.9 KiB
Rust
55 lines
1.9 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 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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//! Implementation of macros related to crate versioning.
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use super::get_cargo_env_var;
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use frame_support_procedural_tools::generate_crate_access_2018;
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use proc_macro2::{Span, TokenStream};
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use syn::{Error, Result};
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/// Create an error that will be shown by rustc at the call site of the macro.
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fn create_error(message: &str) -> Error {
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Error::new(Span::call_site(), message)
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}
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/// Implementation of the `crate_to_crate_version!` macro.
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pub fn crate_to_crate_version(input: proc_macro::TokenStream) -> Result<TokenStream> {
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if !input.is_empty() {
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return Err(create_error("No arguments expected!"))
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}
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let major_version = get_cargo_env_var::<u16>("CARGO_PKG_VERSION_MAJOR")
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.map_err(|_| create_error("Major version needs to fit into `u16`"))?;
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let minor_version = get_cargo_env_var::<u8>("CARGO_PKG_VERSION_MINOR")
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.map_err(|_| create_error("Minor version needs to fit into `u8`"))?;
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let patch_version = get_cargo_env_var::<u8>("CARGO_PKG_VERSION_PATCH")
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.map_err(|_| create_error("Patch version needs to fit into `u8`"))?;
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let crate_ = generate_crate_access_2018("frame-support")?;
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Ok(quote::quote! {
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#crate_::traits::CrateVersion {
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major: #major_version,
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minor: #minor_version,
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patch: #patch_version,
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}
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})
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}
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