diff options
| author | Valentin Popov <valentin@popov.link> | 2024-01-08 00:21:28 +0300 |
|---|---|---|
| committer | Valentin Popov <valentin@popov.link> | 2024-01-08 00:21:28 +0300 |
| commit | 1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch) | |
| tree | 7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/bitflags-1.3.2 | |
| parent | 5ecd8cf2cba827454317368b68571df0d13d7842 (diff) | |
| download | fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip | |
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/bitflags-1.3.2')
34 files changed, 2898 insertions, 0 deletions
diff --git a/vendor/bitflags-1.3.2/.cargo-checksum.json b/vendor/bitflags-1.3.2/.cargo-checksum.json new file mode 100644 index 0000000..7e8d470 --- /dev/null +++ b/vendor/bitflags-1.3.2/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"CHANGELOG.md":"d362fc1fccaaf4d421bcf0fe8b80ddb4f625dade0c1ee52d08bd0b95509a49d1","CODE_OF_CONDUCT.md":"42634d0f6d922f49857175af991802822f7f920487aefa2ee250a50d12251a66","Cargo.toml":"87aced7532a7974eb37ab5fe6037f0abafc36d6b2d74891ecd2bf2f14f50d11e","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"6485b8ed310d3f0340bf1ad1f47645069ce4069dcc6bb46c7d5c6faf41de1fdb","README.md":"baa8604f8afb34fd93b9c79729daafb884dedcaf34023e4af8ad037d916061fd","src/example_generated.rs":"e43eb59e90f317f38d436670a6067d2fd9eb35fb319fe716184e4a04e24ed1b2","src/lib.rs":"e6477688535ee326d27238aeedc9cb4320ac35b9d17a4deda09e0587b0ccdbd4","tests/basic.rs":"146f1cbf6279bc609242cd3349f29cb21b41294f5e4921875f5ec95bd83529a2","tests/compile-fail/impls/copy.rs":"b791371237ddc75a7c04d2130e03b462c9c00a80dca08bd45aa97433d9c0d13a","tests/compile-fail/impls/copy.stderr.beta":"77d83484ce221d4b6ff2f7de843929a452d779fcfff428122710dd8218c298e3","tests/compile-fail/impls/eq.rs":"0cee8b9e07d537890e0189710293b53972d0fab63c09366f33c391065afafa99","tests/compile-fail/impls/eq.stderr.beta":"381fc6143d45ce76d7cecc47aa59cb69fe5e79c0b60a4a85d5c6163b400b3cc7","tests/compile-fail/non_integer_base/all_defined.rs":"95e14cad9e94560262f2862c3c01865ac30369b69da1001b0e7285cb55e6cb75","tests/compile-fail/non_integer_base/all_defined.stderr.beta":"1760739a276690903bb03844025587d37939f5dfcbfab309db3c86f32bdbf748","tests/compile-fail/non_integer_base/all_missing.rs":"b3d9da619d23213731ba2581aa7999c796c3c79aaf4f0ee6b11ceec08a11537f","tests/compile-fail/non_integer_base/all_missing.stderr.beta":"37e102290d3867e175b21976be798939f294efb17580d5b51e7b17b590d55132","tests/compile-fail/visibility/private_field.rs":"38e4d3fe6471829360d12c8d09b097f6a21aa93fb51eac3b215d96bdae23316b","tests/compile-fail/visibility/private_field.stderr.beta":"5aa24a3ebb39326f31927721c5017b8beb66c3e501fb865a3fa814c9763bfa0f","tests/compile-fail/visibility/private_flags.rs":"2ce4235802aa4e9c96c4e77d9e31d8401ef58dcda4741325184f0764ab1fe393","tests/compile-fail/visibility/private_flags.stderr.beta":"f3eb9f7baf2689258f3519ff7ee5c6ec3c237264ebcfe63f40c40f2023e5022f","tests/compile-fail/visibility/pub_const.rs":"8f813a97ac518c5ea8ac65b184101912452384afaf7b8d6c5e62f8370eca3c0a","tests/compile-fail/visibility/pub_const.stderr.beta":"823976ae1794d7f5372e2ec9aabba497e7bb88004722904c38da342ed98e8962","tests/compile-pass/impls/convert.rs":"88fe80bfb9cd5779f0e1d92c9ec02a8b6bb67e334c07f2309e9c0ba5ef776eb0","tests/compile-pass/impls/default.rs":"c508f9a461691f44b45142fa5ad599f02326e1de4c0cbca6c0593f4652eba109","tests/compile-pass/impls/inherent_methods.rs":"ecc26388e9a394bfa7a5bb69a5d621ab3d4d1e53f28f657bb8e78fe79f437913","tests/compile-pass/redefinition/core.rs":"ff5b6e72f87acc6ebb12405d3c0f6e3fa62e669933656a454bb63b30ea44179c","tests/compile-pass/redefinition/stringify.rs":"1edbce42b900c14425d7ffa14e83e165ebe452d7dccd8c0a8a821bdec64f5c93","tests/compile-pass/repr/c.rs":"6fda17f7c2edfcd155314579e83d0fc8a16209e400f1f9a5ca77bd9a799041f2","tests/compile-pass/repr/transparent.rs":"6cdc87a2137d8a4e0c8ce9b6cba83c82255f8ea125951bf614418685600489ce","tests/compile-pass/visibility/bits_field.rs":"1f3e5ba5a047440066a9f6bf7b7af33f5b06f6b1da3dd9af6886168199a7ea0a","tests/compile-pass/visibility/pub_in.rs":"e95312ff60966d42ec4bc00225507895a9b8ec24056ce6a9edd9145be35d730f","tests/compile.rs":"f27c67a7dd183ca30efea1b6e0880e3469a6dd63b92b1fd711c082df182c9eec"},"package":"bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"}
\ No newline at end of file diff --git a/vendor/bitflags-1.3.2/CHANGELOG.md b/vendor/bitflags-1.3.2/CHANGELOG.md new file mode 100644 index 0000000..12fea16 --- /dev/null +++ b/vendor/bitflags-1.3.2/CHANGELOG.md @@ -0,0 +1,206 @@ +# 1.3.2 + +- Allow `non_snake_case` in generated flags types ([#256]) + +[#252]: https://github.com/bitflags/bitflags/pull/256 + +# 1.3.1 + +- Revert unconditional `#[repr(transparent)]` ([#252]) + +[#252]: https://github.com/bitflags/bitflags/pull/252 + +# 1.3.0 (yanked) + +- Add `#[repr(transparent)]` ([#187]) + +- End `empty` doc comment with full stop ([#202]) + +- Fix typo in crate root docs ([#206]) + +- Document from_bits_unchecked unsafety ([#207]) + +- Let `is_all` ignore extra bits ([#211]) + +- Allows empty flag definition ([#225]) + +- Making crate accessible from std ([#227]) + +- Make `from_bits` a const fn ([#229]) + +- Allow multiple bitflags structs in one macro invocation ([#235]) + +- Add named functions to perform set operations ([#244]) + +- Fix typos in method docs ([#245]) + +- Modernization of the `bitflags` macro to take advantage of newer features and 2018 idioms ([#246]) + +- Fix regression (in an unreleased feature) and simplify tests ([#247]) + +- Use `Self` and fix bug when overriding `stringify!` ([#249]) + +[#187]: https://github.com/bitflags/bitflags/pull/187 +[#202]: https://github.com/bitflags/bitflags/pull/202 +[#206]: https://github.com/bitflags/bitflags/pull/206 +[#207]: https://github.com/bitflags/bitflags/pull/207 +[#211]: https://github.com/bitflags/bitflags/pull/211 +[#225]: https://github.com/bitflags/bitflags/pull/225 +[#227]: https://github.com/bitflags/bitflags/pull/227 +[#229]: https://github.com/bitflags/bitflags/pull/229 +[#235]: https://github.com/bitflags/bitflags/pull/235 +[#244]: https://github.com/bitflags/bitflags/pull/244 +[#245]: https://github.com/bitflags/bitflags/pull/245 +[#246]: https://github.com/bitflags/bitflags/pull/246 +[#247]: https://github.com/bitflags/bitflags/pull/247 +[#249]: https://github.com/bitflags/bitflags/pull/249 + +# 1.2.1 + +- Remove extraneous `#[inline]` attributes ([#194]) + +[#194]: https://github.com/bitflags/bitflags/pull/194 + +# 1.2.0 + +- Fix typo: {Lower, Upper}Exp - {Lower, Upper}Hex ([#183]) + +- Add support for "unknown" bits ([#188]) + +[#183]: https://github.com/rust-lang-nursery/bitflags/pull/183 +[#188]: https://github.com/rust-lang-nursery/bitflags/pull/188 + +# 1.1.0 + +This is a re-release of `1.0.5`, which was yanked due to a bug in the RLS. + +# 1.0.5 + +- Use compiletest_rs flags supported by stable toolchain ([#171]) + +- Put the user provided attributes first ([#173]) + +- Make bitflags methods `const` on newer compilers ([#175]) + +[#171]: https://github.com/rust-lang-nursery/bitflags/pull/171 +[#173]: https://github.com/rust-lang-nursery/bitflags/pull/173 +[#175]: https://github.com/rust-lang-nursery/bitflags/pull/175 + +# 1.0.4 + +- Support Rust 2018 style macro imports ([#165]) + + ```rust + use bitflags::bitflags; + ``` + +[#165]: https://github.com/rust-lang-nursery/bitflags/pull/165 + +# 1.0.3 + +- Improve zero value flag handling and documentation ([#157]) + +[#157]: https://github.com/rust-lang-nursery/bitflags/pull/157 + +# 1.0.2 + +- 30% improvement in compile time of bitflags crate ([#156]) + +- Documentation improvements ([#153]) + +- Implementation cleanup ([#149]) + +[#156]: https://github.com/rust-lang-nursery/bitflags/pull/156 +[#153]: https://github.com/rust-lang-nursery/bitflags/pull/153 +[#149]: https://github.com/rust-lang-nursery/bitflags/pull/149 + +# 1.0.1 +- Add support for `pub(restricted)` specifier on the bitflags struct ([#135]) +- Optimize performance of `all()` when called from a separate crate ([#136]) + +[#135]: https://github.com/rust-lang-nursery/bitflags/pull/135 +[#136]: https://github.com/rust-lang-nursery/bitflags/pull/136 + +# 1.0.0 +- **[breaking change]** Macro now generates [associated constants](https://doc.rust-lang.org/reference/items.html#associated-constants) ([#24]) + +- **[breaking change]** Minimum supported version is Rust **1.20**, due to usage of associated constants + +- After being broken in 0.9, the `#[deprecated]` attribute is now supported again ([#112]) + +- Other improvements to unit tests and documentation ([#106] and [#115]) + +[#24]: https://github.com/rust-lang-nursery/bitflags/pull/24 +[#106]: https://github.com/rust-lang-nursery/bitflags/pull/106 +[#112]: https://github.com/rust-lang-nursery/bitflags/pull/112 +[#115]: https://github.com/rust-lang-nursery/bitflags/pull/115 + +## How to update your code to use associated constants +Assuming the following structure definition: +```rust +bitflags! { + struct Something: u8 { + const FOO = 0b01, + const BAR = 0b10 + } +} +``` +In 0.9 and older you could do: +```rust +let x = FOO.bits | BAR.bits; +``` +Now you must use: +```rust +let x = Something::FOO.bits | Something::BAR.bits; +``` + +# 0.9.1 +- Fix the implementation of `Formatting` traits when other formatting traits were present in scope ([#105]) + +[#105]: https://github.com/rust-lang-nursery/bitflags/pull/105 + +# 0.9.0 +- **[breaking change]** Use struct keyword instead of flags to define bitflag types ([#84]) + +- **[breaking change]** Terminate const items with semicolons instead of commas ([#87]) + +- Implement the `Hex`, `Octal`, and `Binary` formatting traits ([#86]) + +- Printing an empty flag value with the `Debug` trait now prints "(empty)" instead of nothing ([#85]) + +- The `bitflags!` macro can now be used inside of a fn body, to define a type local to that function ([#74]) + +[#74]: https://github.com/rust-lang-nursery/bitflags/pull/74 +[#84]: https://github.com/rust-lang-nursery/bitflags/pull/84 +[#85]: https://github.com/rust-lang-nursery/bitflags/pull/85 +[#86]: https://github.com/rust-lang-nursery/bitflags/pull/86 +[#87]: https://github.com/rust-lang-nursery/bitflags/pull/87 + +# 0.8.2 +- Update feature flag used when building bitflags as a dependency of the Rust toolchain + +# 0.8.1 +- Allow bitflags to be used as a dependency of the Rust toolchain + +# 0.8.0 +- Add support for the experimental `i128` and `u128` integer types ([#57]) +- Add set method: `flags.set(SOME_FLAG, true)` or `flags.set(SOME_FLAG, false)` ([#55]) + This may break code that defines its own set method + +[#55]: https://github.com/rust-lang-nursery/bitflags/pull/55 +[#57]: https://github.com/rust-lang-nursery/bitflags/pull/57 + +# 0.7.1 +*(yanked)* + +# 0.7.0 +- Implement the Extend trait ([#49]) +- Allow definitions inside the `bitflags!` macro to refer to items imported from other modules ([#51]) + +[#49]: https://github.com/rust-lang-nursery/bitflags/pull/49 +[#51]: https://github.com/rust-lang-nursery/bitflags/pull/51 + +# 0.6.0 +- The `no_std` feature was removed as it is now the default +- The `assignment_operators` feature was remove as it is now enabled by default +- Some clippy suggestions have been applied diff --git a/vendor/bitflags-1.3.2/CODE_OF_CONDUCT.md b/vendor/bitflags-1.3.2/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..f7add90 --- /dev/null +++ b/vendor/bitflags-1.3.2/CODE_OF_CONDUCT.md @@ -0,0 +1,73 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as +contributors and maintainers pledge to making participation in our project and +our community a harassment-free experience for everyone, regardless of age, body +size, disability, ethnicity, gender identity and expression, level of experience, +education, socio-economic status, nationality, personal appearance, race, +religion, or sexual identity and orientation. + +## Our Standards + +Examples of behavior that contributes to creating a positive environment +include: + +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behavior by participants include: + +* The use of sexualized language or imagery and unwelcome sexual attention or + advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or electronic + address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable +behavior and are expected to take appropriate and fair corrective action in +response to any instances of unacceptable behavior. + +Project maintainers have the right and responsibility to remove, edit, or +reject comments, commits, code, wiki edits, issues, and other contributions +that are not aligned to this Code of Conduct, or to ban temporarily or +permanently any contributor for other behaviors that they deem inappropriate, +threatening, offensive, or harmful. + +## Scope + +This Code of Conduct applies both within project spaces and in public spaces +when an individual is representing the project or its community. Examples of +representing a project or community include using an official project e-mail +address, posting via an official social media account, or acting as an appointed +representative at an online or offline event. Representation of a project may be +further defined and clarified by project maintainers. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be +reported by contacting the project team at coc@senaite.org. All +complaints will be reviewed and investigated and will result in a response that +is deemed necessary and appropriate to the circumstances. The project team is +obligated to maintain confidentiality with regard to the reporter of an incident. +Further details of specific enforcement policies may be posted separately. + +Project maintainers who do not follow or enforce the Code of Conduct in good +faith may face temporary or permanent repercussions as determined by other +members of the project's leadership. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, +available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html + +[homepage]: https://www.contributor-covenant.org
\ No newline at end of file diff --git a/vendor/bitflags-1.3.2/Cargo.toml b/vendor/bitflags-1.3.2/Cargo.toml new file mode 100644 index 0000000..9d54c72 --- /dev/null +++ b/vendor/bitflags-1.3.2/Cargo.toml @@ -0,0 +1,58 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies +# +# If you believe there's an error in this file please file an +# issue against the rust-lang/cargo repository. If you're +# editing this file be aware that the upstream Cargo.toml +# will likely look very different (and much more reasonable) + +[package] +edition = "2018" +name = "bitflags" +version = "1.3.2" +authors = ["The Rust Project Developers"] +exclude = ["bors.toml"] +description = "A macro to generate structures which behave like bitflags.\n" +homepage = "https://github.com/bitflags/bitflags" +documentation = "https://docs.rs/bitflags" +readme = "README.md" +keywords = ["bit", "bitmask", "bitflags", "flags"] +categories = ["no-std"] +license = "MIT/Apache-2.0" +repository = "https://github.com/bitflags/bitflags" +[package.metadata.docs.rs] +features = ["example_generated"] +[dependencies.compiler_builtins] +version = "0.1.2" +optional = true + +[dependencies.core] +version = "1.0.0" +optional = true +package = "rustc-std-workspace-core" +[dev-dependencies.rustversion] +version = "1.0" + +[dev-dependencies.serde] +version = "1.0" + +[dev-dependencies.serde_derive] +version = "1.0" + +[dev-dependencies.serde_json] +version = "1.0" + +[dev-dependencies.trybuild] +version = "1.0" + +[dev-dependencies.walkdir] +version = "2.3" + +[features] +default = [] +example_generated = [] +rustc-dep-of-std = ["core", "compiler_builtins"] diff --git a/vendor/bitflags-1.3.2/LICENSE-APACHE b/vendor/bitflags-1.3.2/LICENSE-APACHE new file mode 100644 index 0000000..16fe87b --- /dev/null +++ b/vendor/bitflags-1.3.2/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +Copyright [yyyy] [name of copyright owner] + +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. diff --git a/vendor/bitflags-1.3.2/LICENSE-MIT b/vendor/bitflags-1.3.2/LICENSE-MIT new file mode 100644 index 0000000..39d4bdb --- /dev/null +++ b/vendor/bitflags-1.3.2/LICENSE-MIT @@ -0,0 +1,25 @@ +Copyright (c) 2014 The Rust Project Developers + +Permission is hereby granted, free of charge, to any +person obtaining a copy of this software and associated +documentation files (the "Software"), to deal in the +Software without restriction, including without +limitation the rights to use, copy, modify, merge, +publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software +is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice +shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF +ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/vendor/bitflags-1.3.2/README.md b/vendor/bitflags-1.3.2/README.md new file mode 100644 index 0000000..0da0f85 --- /dev/null +++ b/vendor/bitflags-1.3.2/README.md @@ -0,0 +1,32 @@ +bitflags +======== + +[](https://github.com/bitflags/bitflags/actions) +[](https://gitter.im/bitflags/Lobby?utm_source=badge&utm_medium=badge&utm_content=badge) +[](https://crates.io/crates/bitflags) +[](https://docs.rs/bitflags) + + +A Rust macro to generate structures which behave like a set of bitflags + +- [Documentation](https://docs.rs/bitflags) +- [Release notes](https://github.com/bitflags/bitflags/releases) + +## Usage + +Add this to your `Cargo.toml`: + +```toml +[dependencies] +bitflags = "1.3" +``` + +and this to your source code: + +```rust +use bitflags::bitflags; +``` + +## Rust Version Support + +The minimum supported Rust version is 1.46 due to use of associated constants and const functions. diff --git a/vendor/bitflags-1.3.2/src/example_generated.rs b/vendor/bitflags-1.3.2/src/example_generated.rs new file mode 100644 index 0000000..cf188d9 --- /dev/null +++ b/vendor/bitflags-1.3.2/src/example_generated.rs @@ -0,0 +1,14 @@ +//! This module shows an example of code generated by the macro. **IT MUST NOT BE USED OUTSIDE THIS +//! CRATE**. + +bitflags! { + /// This is the same `Flags` struct defined in the [crate level example](../index.html#example). + /// Note that this struct is just for documentation purposes only, it must not be used outside + /// this crate. + pub struct Flags: u32 { + const A = 0b00000001; + const B = 0b00000010; + const C = 0b00000100; + const ABC = Self::A.bits | Self::B.bits | Self::C.bits; + } +} diff --git a/vendor/bitflags-1.3.2/src/lib.rs b/vendor/bitflags-1.3.2/src/lib.rs new file mode 100644 index 0000000..935e432 --- /dev/null +++ b/vendor/bitflags-1.3.2/src/lib.rs @@ -0,0 +1,1729 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +//! A typesafe bitmask flag generator useful for sets of C-style bitmask flags. +//! It can be used for creating typesafe wrappers around C APIs. +//! +//! The `bitflags!` macro generates `struct`s that manage a set of flags. The +//! flags should only be defined for integer types, otherwise unexpected type +//! errors may occur at compile time. +//! +//! # Example +//! +//! ``` +//! use bitflags::bitflags; +//! +//! bitflags! { +//! struct Flags: u32 { +//! const A = 0b00000001; +//! const B = 0b00000010; +//! const C = 0b00000100; +//! const ABC = Self::A.bits | Self::B.bits | Self::C.bits; +//! } +//! } +//! +//! fn main() { +//! let e1 = Flags::A | Flags::C; +//! let e2 = Flags::B | Flags::C; +//! assert_eq!((e1 | e2), Flags::ABC); // union +//! assert_eq!((e1 & e2), Flags::C); // intersection +//! assert_eq!((e1 - e2), Flags::A); // set difference +//! assert_eq!(!e2, Flags::A); // set complement +//! } +//! ``` +//! +//! See [`example_generated::Flags`](./example_generated/struct.Flags.html) for documentation of code +//! generated by the above `bitflags!` expansion. +//! +//! The generated `struct`s can also be extended with type and trait +//! implementations: +//! +//! ``` +//! use std::fmt; +//! +//! use bitflags::bitflags; +//! +//! bitflags! { +//! struct Flags: u32 { +//! const A = 0b00000001; +//! const B = 0b00000010; +//! } +//! } +//! +//! impl Flags { +//! pub fn clear(&mut self) { +//! self.bits = 0; // The `bits` field can be accessed from within the +//! // same module where the `bitflags!` macro was invoked. +//! } +//! } +//! +//! impl fmt::Display for Flags { +//! fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { +//! write!(f, "hi!") +//! } +//! } +//! +//! fn main() { +//! let mut flags = Flags::A | Flags::B; +//! flags.clear(); +//! assert!(flags.is_empty()); +//! assert_eq!(format!("{}", flags), "hi!"); +//! assert_eq!(format!("{:?}", Flags::A | Flags::B), "A | B"); +//! assert_eq!(format!("{:?}", Flags::B), "B"); +//! } +//! ``` +//! +//! # Visibility +//! +//! The generated structs and their associated flag constants are not exported +//! out of the current module by default. A definition can be exported out of +//! the current module by adding `pub` before `struct`: +//! +//! ``` +//! mod example { +//! use bitflags::bitflags; +//! +//! bitflags! { +//! pub struct Flags1: u32 { +//! const A = 0b00000001; +//! } +//! +//! # pub +//! struct Flags2: u32 { +//! const B = 0b00000010; +//! } +//! } +//! } +//! +//! fn main() { +//! let flag1 = example::Flags1::A; +//! let flag2 = example::Flags2::B; // error: const `B` is private +//! } +//! ``` +//! +//! # Attributes +//! +//! Attributes can be attached to the generated `struct`s by placing them +//! before the `struct` keyword. +//! +//! ## Representations +//! +//! It's valid to add a `#[repr(C)]` or `#[repr(transparent)]` attribute to a type +//! generated by `bitflags!`. In these cases, the type is guaranteed to be a newtype. +//! +//! ``` +//! use bitflags::bitflags; +//! +//! bitflags! { +//! #[repr(transparent)] +//! struct Flags: u32 { +//! const A = 0b00000001; +//! const B = 0b00000010; +//! const C = 0b00000100; +//! } +//! } +//! ``` +//! +//! # Trait implementations +//! +//! The `Copy`, `Clone`, `PartialEq`, `Eq`, `PartialOrd`, `Ord` and `Hash` +//! traits are automatically derived for the `struct`s using the `derive` attribute. +//! Additional traits can be derived by providing an explicit `derive` +//! attribute on `struct`. +//! +//! The `Extend` and `FromIterator` traits are implemented for the `struct`s, +//! too: `Extend` adds the union of the instances of the `struct` iterated over, +//! while `FromIterator` calculates the union. +//! +//! The `Binary`, `Debug`, `LowerHex`, `Octal` and `UpperHex` traits are also +//! implemented by displaying the bits value of the internal struct. +//! +//! ## Operators +//! +//! The following operator traits are implemented for the generated `struct`s: +//! +//! - `BitOr` and `BitOrAssign`: union +//! - `BitAnd` and `BitAndAssign`: intersection +//! - `BitXor` and `BitXorAssign`: toggle +//! - `Sub` and `SubAssign`: set difference +//! - `Not`: set complement +//! +//! # Methods +//! +//! The following methods are defined for the generated `struct`s: +//! +//! - `empty`: an empty set of flags +//! - `all`: the set of all defined flags +//! - `bits`: the raw value of the flags currently stored +//! - `from_bits`: convert from underlying bit representation, unless that +//! representation contains bits that do not correspond to a +//! defined flag +//! - `from_bits_truncate`: convert from underlying bit representation, dropping +//! any bits that do not correspond to defined flags +//! - `from_bits_unchecked`: convert from underlying bit representation, keeping +//! all bits (even those not corresponding to defined +//! flags) +//! - `is_empty`: `true` if no flags are currently stored +//! - `is_all`: `true` if currently set flags exactly equal all defined flags +//! - `intersects`: `true` if there are flags common to both `self` and `other` +//! - `contains`: `true` if all of the flags in `other` are contained within `self` +//! - `insert`: inserts the specified flags in-place +//! - `remove`: removes the specified flags in-place +//! - `toggle`: the specified flags will be inserted if not present, and removed +//! if they are. +//! - `set`: inserts or removes the specified flags depending on the passed value +//! - `intersection`: returns a new set of flags, containing only the flags present +//! in both `self` and `other` (the argument to the function). +//! - `union`: returns a new set of flags, containing any flags present in +//! either `self` or `other` (the argument to the function). +//! - `difference`: returns a new set of flags, containing all flags present in +//! `self` without any of the flags present in `other` (the +//! argument to the function). +//! - `symmetric_difference`: returns a new set of flags, containing all flags +//! present in either `self` or `other` (the argument +//! to the function), but not both. +//! - `complement`: returns a new set of flags, containing all flags which are +//! not set in `self`, but which are allowed for this type. +//! +//! ## Default +//! +//! The `Default` trait is not automatically implemented for the generated structs. +//! +//! If your default value is equal to `0` (which is the same value as calling `empty()` +//! on the generated struct), you can simply derive `Default`: +//! +//! ``` +//! use bitflags::bitflags; +//! +//! bitflags! { +//! // Results in default value with bits: 0 +//! #[derive(Default)] +//! struct Flags: u32 { +//! const A = 0b00000001; +//! const B = 0b00000010; +//! const C = 0b00000100; +//! } +//! } +//! +//! fn main() { +//! let derived_default: Flags = Default::default(); +//! assert_eq!(derived_default.bits(), 0); +//! } +//! ``` +//! +//! If your default value is not equal to `0` you need to implement `Default` yourself: +//! +//! ``` +//! use bitflags::bitflags; +//! +//! bitflags! { +//! struct Flags: u32 { +//! const A = 0b00000001; +//! const B = 0b00000010; +//! const C = 0b00000100; +//! } +//! } +//! +//! // explicit `Default` implementation +//! impl Default for Flags { +//! fn default() -> Flags { +//! Flags::A | Flags::C +//! } +//! } +//! +//! fn main() { +//! let implemented_default: Flags = Default::default(); +//! assert_eq!(implemented_default, (Flags::A | Flags::C)); +//! } +//! ``` +//! +//! # Zero Flags +//! +//! Flags with a value equal to zero will have some strange behavior that one should be aware of. +//! +//! ``` +//! use bitflags::bitflags; +//! +//! bitflags! { +//! struct Flags: u32 { +//! const NONE = 0b00000000; +//! const SOME = 0b00000001; +//! } +//! } +//! +//! fn main() { +//! let empty = Flags::empty(); +//! let none = Flags::NONE; +//! let some = Flags::SOME; +//! +//! // Zero flags are treated as always present +//! assert!(empty.contains(Flags::NONE)); +//! assert!(none.contains(Flags::NONE)); +//! assert!(some.contains(Flags::NONE)); +//! +//! // Zero flags will be ignored when testing for emptiness +//! assert!(none.is_empty()); +//! } +//! ``` +//! +//! Users should generally avoid defining a flag with a value of zero. + +#![cfg_attr(not(test), no_std)] +#![doc(html_root_url = "https://docs.rs/bitflags/1.3.2")] + +#[doc(hidden)] +pub extern crate core as _core; + +/// The macro used to generate the flag structures. +/// +/// See the [crate level docs](../bitflags/index.html) for complete documentation. +/// +/// # Example +/// +/// ``` +/// use bitflags::bitflags; +/// +/// bitflags! { +/// struct Flags: u32 { +/// const A = 0b00000001; +/// const B = 0b00000010; +/// const C = 0b00000100; +/// const ABC = Self::A.bits | Self::B.bits | Self::C.bits; +/// } +/// } +/// +/// fn main() { +/// let e1 = Flags::A | Flags::C; +/// let e2 = Flags::B | Flags::C; +/// assert_eq!((e1 | e2), Flags::ABC); // union +/// assert_eq!((e1 & e2), Flags::C); // intersection +/// assert_eq!((e1 - e2), Flags::A); // set difference +/// assert_eq!(!e2, Flags::A); // set complement +/// } +/// ``` +/// +/// The generated `struct`s can also be extended with type and trait +/// implementations: +/// +/// ``` +/// use std::fmt; +/// +/// use bitflags::bitflags; +/// +/// bitflags! { +/// struct Flags: u32 { +/// const A = 0b00000001; +/// const B = 0b00000010; +/// } +/// } +/// +/// impl Flags { +/// pub fn clear(&mut self) { +/// self.bits = 0; // The `bits` field can be accessed from within the +/// // same module where the `bitflags!` macro was invoked. +/// } +/// } +/// +/// impl fmt::Display for Flags { +/// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { +/// write!(f, "hi!") +/// } +/// } +/// +/// fn main() { +/// let mut flags = Flags::A | Flags::B; +/// flags.clear(); +/// assert!(flags.is_empty()); +/// assert_eq!(format!("{}", flags), "hi!"); +/// assert_eq!(format!("{:?}", Flags::A | Flags::B), "A | B"); +/// assert_eq!(format!("{:?}", Flags::B), "B"); +/// } +/// ``` +#[macro_export(local_inner_macros)] +macro_rules! bitflags { + ( + $(#[$outer:meta])* + $vis:vis struct $BitFlags:ident: $T:ty { + $( + $(#[$inner:ident $($args:tt)*])* + const $Flag:ident = $value:expr; + )* + } + + $($t:tt)* + ) => { + $(#[$outer])* + #[derive(Copy, PartialEq, Eq, Clone, PartialOrd, Ord, Hash)] + $vis struct $BitFlags { + bits: $T, + } + + __impl_bitflags! { + $BitFlags: $T { + $( + $(#[$inner $($args)*])* + $Flag = $value; + )* + } + } + + bitflags! { + $($t)* + } + }; + () => {}; +} + +// A helper macro to implement the `all` function. +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_all_bitflags { + ( + $BitFlags:ident: $T:ty { + $( + $(#[$attr:ident $($args:tt)*])* + $Flag:ident = $value:expr; + )+ + } + ) => { + // See `Debug::fmt` for why this approach is taken. + #[allow(non_snake_case)] + trait __BitFlags { + $( + const $Flag: $T = 0; + )+ + } + #[allow(non_snake_case)] + impl __BitFlags for $BitFlags { + $( + __impl_bitflags! { + #[allow(deprecated)] + $(? #[$attr $($args)*])* + const $Flag: $T = Self::$Flag.bits; + } + )+ + } + Self { bits: $(<Self as __BitFlags>::$Flag)|+ } + }; + ( + $BitFlags:ident: $T:ty { } + ) => { + Self { bits: 0 } + }; +} + +#[macro_export(local_inner_macros)] +#[doc(hidden)] +macro_rules! __impl_bitflags { + ( + $BitFlags:ident: $T:ty { + $( + $(#[$attr:ident $($args:tt)*])* + $Flag:ident = $value:expr; + )* + } + ) => { + impl $crate::_core::fmt::Debug for $BitFlags { + fn fmt(&self, f: &mut $crate::_core::fmt::Formatter) -> $crate::_core::fmt::Result { + // This convoluted approach is to handle #[cfg]-based flag + // omission correctly. For example it needs to support: + // + // #[cfg(unix)] const A: Flag = /* ... */; + // #[cfg(windows)] const B: Flag = /* ... */; + + // Unconditionally define a check for every flag, even disabled + // ones. + #[allow(non_snake_case)] + trait __BitFlags { + $( + #[inline] + fn $Flag(&self) -> bool { false } + )* + } + + // Conditionally override the check for just those flags that + // are not #[cfg]ed away. + #[allow(non_snake_case)] + impl __BitFlags for $BitFlags { + $( + __impl_bitflags! { + #[allow(deprecated)] + #[inline] + $(? #[$attr $($args)*])* + fn $Flag(&self) -> bool { + if Self::$Flag.bits == 0 && self.bits != 0 { + false + } else { + self.bits & Self::$Flag.bits == Self::$Flag.bits + } + } + } + )* + } + + let mut first = true; + $( + if <Self as __BitFlags>::$Flag(self) { + if !first { + f.write_str(" | ")?; + } + first = false; + f.write_str($crate::_core::stringify!($Flag))?; + } + )* + let extra_bits = self.bits & !Self::all().bits(); + if extra_bits != 0 { + if !first { + f.write_str(" | ")?; + } + first = false; + f.write_str("0x")?; + $crate::_core::fmt::LowerHex::fmt(&extra_bits, f)?; + } + if first { + f.write_str("(empty)")?; + } + Ok(()) + } + } + impl $crate::_core::fmt::Binary for $BitFlags { + fn fmt(&self, f: &mut $crate::_core::fmt::Formatter) -> $crate::_core::fmt::Result { + $crate::_core::fmt::Binary::fmt(&self.bits, f) + } + } + impl $crate::_core::fmt::Octal for $BitFlags { + fn fmt(&self, f: &mut $crate::_core::fmt::Formatter) -> $crate::_core::fmt::Result { + $crate::_core::fmt::Octal::fmt(&self.bits, f) + } + } + impl $crate::_core::fmt::LowerHex for $BitFlags { + fn fmt(&self, f: &mut $crate::_core::fmt::Formatter) -> $crate::_core::fmt::Result { + $crate::_core::fmt::LowerHex::fmt(&self.bits, f) + } + } + impl $crate::_core::fmt::UpperHex for $BitFlags { + fn fmt(&self, f: &mut $crate::_core::fmt::Formatter) -> $crate::_core::fmt::Result { + $crate::_core::fmt::UpperHex::fmt(&self.bits, f) + } + } + + #[allow(dead_code)] + impl $BitFlags { + $( + $(#[$attr $($args)*])* + pub const $Flag: Self = Self { bits: $value }; + )* + + /// Returns an empty set of flags. + #[inline] + pub const fn empty() -> Self { + Self { bits: 0 } + } + + /// Returns the set containing all flags. + #[inline] + pub const fn all() -> Self { + __impl_all_bitflags! { + $BitFlags: $T { + $( + $(#[$attr $($args)*])* + $Flag = $value; + )* + } + } + } + + /// Returns the raw value of the flags currently stored. + #[inline] + pub const fn bits(&self) -> $T { + self.bits + } + + /// Convert from underlying bit representation, unless that + /// representation contains bits that do not correspond to a flag. + #[inline] + pub const fn from_bits(bits: $T) -> $crate::_core::option::Option<Self> { + if (bits & !Self::all().bits()) == 0 { + $crate::_core::option::Option::Some(Self { bits }) + } else { + $crate::_core::option::Option::None + } + } + + /// Convert from underlying bit representation, dropping any bits + /// that do not correspond to flags. + #[inline] + pub const fn from_bits_truncate(bits: $T) -> Self { + Self { bits: bits & Self::all().bits } + } + + /// Convert from underlying bit representation, preserving all + /// bits (even those not corresponding to a defined flag). + /// + /// # Safety + /// + /// The caller of the `bitflags!` macro can chose to allow or + /// disallow extra bits for their bitflags type. + /// + /// The caller of `from_bits_unchecked()` has to ensure that + /// all bits correspond to a defined flag or that extra bits + /// are valid for this bitflags type. + #[inline] + pub const unsafe fn from_bits_unchecked(bits: $T) -> Self { + Self { bits } + } + + /// Returns `true` if no flags are currently stored. + #[inline] + pub const fn is_empty(&self) -> bool { + self.bits() == Self::empty().bits() + } + + /// Returns `true` if all flags are currently set. + #[inline] + pub const fn is_all(&self) -> bool { + Self::all().bits | self.bits == self.bits + } + + /// Returns `true` if there are flags common to both `self` and `other`. + #[inline] + pub const fn intersects(&self, other: Self) -> bool { + !(Self { bits: self.bits & other.bits}).is_empty() + } + + /// Returns `true` if all of the flags in `other` are contained within `self`. + #[inline] + pub const fn contains(&self, other: Self) -> bool { + (self.bits & other.bits) == other.bits + } + + /// Inserts the specified flags in-place. + #[inline] + pub fn insert(&mut self, other: Self) { + self.bits |= other.bits; + } + + /// Removes the specified flags in-place. + #[inline] + pub fn remove(&mut self, other: Self) { + self.bits &= !other.bits; + } + + /// Toggles the specified flags in-place. + #[inline] + pub fn toggle(&mut self, other: Self) { + self.bits ^= other.bits; + } + + /// Inserts or removes the specified flags depending on the passed value. + #[inline] + pub fn set(&mut self, other: Self, value: bool) { + if value { + self.insert(other); + } else { + self.remove(other); + } + } + + /// Returns the intersection between the flags in `self` and + /// `other`. + /// + /// Specifically, the returned set contains only the flags which are + /// present in *both* `self` *and* `other`. + /// + /// This is equivalent to using the `&` operator (e.g. + /// [`ops::BitAnd`]), as in `flags & other`. + /// + /// [`ops::BitAnd`]: https://doc.rust-lang.org/std/ops/trait.BitAnd.html + #[inline] + #[must_use] + pub const fn intersection(self, other: Self) -> Self { + Self { bits: self.bits & other.bits } + } + + /// Returns the union of between the flags in `self` and `other`. + /// + /// Specifically, the returned set contains all flags which are + /// present in *either* `self` *or* `other`, including any which are + /// present in both (see [`Self::symmetric_difference`] if that + /// is undesirable). + /// + /// This is equivalent to using the `|` operator (e.g. + /// [`ops::BitOr`]), as in `flags | other`. + /// + /// [`ops::BitOr`]: https://doc.rust-lang.org/std/ops/trait.BitOr.html + #[inline] + #[must_use] + pub const fn union(self, other: Self) -> Self { + Self { bits: self.bits | other.bits } + } + + /// Returns the difference between the flags in `self` and `other`. + /// + /// Specifically, the returned set contains all flags present in + /// `self`, except for the ones present in `other`. + /// + /// It is also conceptually equivalent to the "bit-clear" operation: + /// `flags & !other` (and this syntax is also supported). + /// + /// This is equivalent to using the `-` operator (e.g. + /// [`ops::Sub`]), as in `flags - other`. + /// + /// [`ops::Sub`]: https://doc.rust-lang.org/std/ops/trait.Sub.html + #[inline] + #[must_use] + pub const fn difference(self, other: Self) -> Self { + Self { bits: self.bits & !other.bits } + } + + /// Returns the [symmetric difference][sym-diff] between the flags + /// in `self` and `other`. + /// + /// Specifically, the returned set contains the flags present which + /// are present in `self` or `other`, but that are not present in + /// both. Equivalently, it contains the flags present in *exactly + /// one* of the sets `self` and `other`. + /// + /// This is equivalent to using the `^` operator (e.g. + /// [`ops::BitXor`]), as in `flags ^ other`. + /// + /// [sym-diff]: https://en.wikipedia.org/wiki/Symmetric_difference + /// [`ops::BitXor`]: https://doc.rust-lang.org/std/ops/trait.BitXor.html + #[inline] + #[must_use] + pub const fn symmetric_difference(self, other: Self) -> Self { + Self { bits: self.bits ^ other.bits } + } + + /// Returns the complement of this set of flags. + /// + /// Specifically, the returned set contains all the flags which are + /// not set in `self`, but which are allowed for this type. + /// + /// Alternatively, it can be thought of as the set difference + /// between [`Self::all()`] and `self` (e.g. `Self::all() - self`) + /// + /// This is equivalent to using the `!` operator (e.g. + /// [`ops::Not`]), as in `!flags`. + /// + /// [`Self::all()`]: Self::all + /// [`ops::Not`]: https://doc.rust-lang.org/std/ops/trait.Not.html + #[inline] + #[must_use] + pub const fn complement(self) -> Self { + Self::from_bits_truncate(!self.bits) + } + + } + + impl $crate::_core::ops::BitOr for $BitFlags { + type Output = Self; + + /// Returns the union of the two sets of flags. + #[inline] + fn bitor(self, other: $BitFlags) -> Self { + Self { bits: self.bits | other.bits } + } + } + + impl $crate::_core::ops::BitOrAssign for $BitFlags { + /// Adds the set of flags. + #[inline] + fn bitor_assign(&mut self, other: Self) { + self.bits |= other.bits; + } + } + + impl $crate::_core::ops::BitXor for $BitFlags { + type Output = Self; + + /// Returns the left flags, but with all the right flags toggled. + #[inline] + fn bitxor(self, other: Self) -> Self { + Self { bits: self.bits ^ other.bits } + } + } + + impl $crate::_core::ops::BitXorAssign for $BitFlags { + /// Toggles the set of flags. + #[inline] + fn bitxor_assign(&mut self, other: Self) { + self.bits ^= other.bits; + } + } + + impl $crate::_core::ops::BitAnd for $BitFlags { + type Output = Self; + + /// Returns the intersection between the two sets of flags. + #[inline] + fn bitand(self, other: Self) -> Self { + Self { bits: self.bits & other.bits } + } + } + + impl $crate::_core::ops::BitAndAssign for $BitFlags { + /// Disables all flags disabled in the set. + #[inline] + fn bitand_assign(&mut self, other: Self) { + self.bits &= other.bits; + } + } + + impl $crate::_core::ops::Sub for $BitFlags { + type Output = Self; + + /// Returns the set difference of the two sets of flags. + #[inline] + fn sub(self, other: Self) -> Self { + Self { bits: self.bits & !other.bits } + } + } + + impl $crate::_core::ops::SubAssign for $BitFlags { + /// Disables all flags enabled in the set. + #[inline] + fn sub_assign(&mut self, other: Self) { + self.bits &= !other.bits; + } + } + + impl $crate::_core::ops::Not for $BitFlags { + type Output = Self; + + /// Returns the complement of this set of flags. + #[inline] + fn not(self) -> Self { + Self { bits: !self.bits } & Self::all() + } + } + + impl $crate::_core::iter::Extend<$BitFlags> for $BitFlags { + fn extend<T: $crate::_core::iter::IntoIterator<Item=Self>>(&mut self, iterator: T) { + for item in iterator { + self.insert(item) + } + } + } + + impl $crate::_core::iter::FromIterator<$BitFlags> for $BitFlags { + fn from_iter<T: $crate::_core::iter::IntoIterator<Item=Self>>(iterator: T) -> Self { + let mut result = Self::empty(); + result.extend(iterator); + result + } + } + }; + + // Every attribute that the user writes on a const is applied to the + // corresponding const that we generate, but within the implementation of + // Debug and all() we want to ignore everything but #[cfg] attributes. In + // particular, including a #[deprecated] attribute on those items would fail + // to compile. + // https://github.com/bitflags/bitflags/issues/109 + // + // Input: + // + // ? #[cfg(feature = "advanced")] + // ? #[deprecated(note = "Use something else.")] + // ? #[doc = r"High quality documentation."] + // fn f() -> i32 { /* ... */ } + // + // Output: + // + // #[cfg(feature = "advanced")] + // fn f() -> i32 { /* ... */ } + ( + $(#[$filtered:meta])* + ? #[cfg $($cfgargs:tt)*] + $(? #[$rest:ident $($restargs:tt)*])* + fn $($item:tt)* + ) => { + __impl_bitflags! { + $(#[$filtered])* + #[cfg $($cfgargs)*] + $(? #[$rest $($restargs)*])* + fn $($item)* + } + }; + ( + $(#[$filtered:meta])* + // $next != `cfg` + ? #[$next:ident $($nextargs:tt)*] + $(? #[$rest:ident $($restargs:tt)*])* + fn $($item:tt)* + ) => { + __impl_bitflags! { + $(#[$filtered])* + // $next filtered out + $(? #[$rest $($restargs)*])* + fn $($item)* + } + }; + ( + $(#[$filtered:meta])* + fn $($item:tt)* + ) => { + $(#[$filtered])* + fn $($item)* + }; + + // Every attribute that the user writes on a const is applied to the + // corresponding const that we generate, but within the implementation of + // Debug and all() we want to ignore everything but #[cfg] attributes. In + // particular, including a #[deprecated] attribute on those items would fail + // to compile. + // https://github.com/bitflags/bitflags/issues/109 + // + // const version + // + // Input: + // + // ? #[cfg(feature = "advanced")] + // ? #[deprecated(note = "Use something else.")] + // ? #[doc = r"High quality documentation."] + // const f: i32 { /* ... */ } + // + // Output: + // + // #[cfg(feature = "advanced")] + // const f: i32 { /* ... */ } + ( + $(#[$filtered:meta])* + ? #[cfg $($cfgargs:tt)*] + $(? #[$rest:ident $($restargs:tt)*])* + const $($item:tt)* + ) => { + __impl_bitflags! { + $(#[$filtered])* + #[cfg $($cfgargs)*] + $(? #[$rest $($restargs)*])* + const $($item)* + } + }; + ( + $(#[$filtered:meta])* + // $next != `cfg` + ? #[$next:ident $($nextargs:tt)*] + $(? #[$rest:ident $($restargs:tt)*])* + const $($item:tt)* + ) => { + __impl_bitflags! { + $(#[$filtered])* + // $next filtered out + $(? #[$rest $($restargs)*])* + const $($item)* + } + }; + ( + $(#[$filtered:meta])* + const $($item:tt)* + ) => { + $(#[$filtered])* + const $($item)* + }; +} + +#[cfg(feature = "example_generated")] +pub mod example_generated; + +#[cfg(test)] +mod tests { + use std::collections::hash_map::DefaultHasher; + use std::hash::{Hash, Hasher}; + + bitflags! { + #[doc = "> The first principle is that you must not fool yourself — and"] + #[doc = "> you are the easiest person to fool."] + #[doc = "> "] + #[doc = "> - Richard Feynman"] + #[derive(Default)] + struct Flags: u32 { + const A = 0b00000001; + #[doc = "<pcwalton> macros are way better at generating code than trans is"] + const B = 0b00000010; + const C = 0b00000100; + #[doc = "* cmr bed"] + #[doc = "* strcat table"] + #[doc = "<strcat> wait what?"] + const ABC = Self::A.bits | Self::B.bits | Self::C.bits; + } + + struct _CfgFlags: u32 { + #[cfg(unix)] + const _CFG_A = 0b01; + #[cfg(windows)] + const _CFG_B = 0b01; + #[cfg(unix)] + const _CFG_C = Self::_CFG_A.bits | 0b10; + } + + struct AnotherSetOfFlags: i8 { + const ANOTHER_FLAG = -1_i8; + } + + struct LongFlags: u32 { + const LONG_A = 0b1111111111111111; + } + } + + bitflags! { + struct EmptyFlags: u32 { + } + } + + #[test] + fn test_bits() { + assert_eq!(Flags::empty().bits(), 0b00000000); + assert_eq!(Flags::A.bits(), 0b00000001); + assert_eq!(Flags::ABC.bits(), 0b00000111); + + assert_eq!(AnotherSetOfFlags::empty().bits(), 0b00); + assert_eq!(AnotherSetOfFlags::ANOTHER_FLAG.bits(), !0_i8); + + assert_eq!(EmptyFlags::empty().bits(), 0b00000000); + } + + #[test] + fn test_from_bits() { + assert_eq!(Flags::from_bits(0), Some(Flags::empty())); + assert_eq!(Flags::from_bits(0b1), Some(Flags::A)); + assert_eq!(Flags::from_bits(0b10), Some(Flags::B)); + assert_eq!(Flags::from_bits(0b11), Some(Flags::A | Flags::B)); + assert_eq!(Flags::from_bits(0b1000), None); + + assert_eq!( + AnotherSetOfFlags::from_bits(!0_i8), + Some(AnotherSetOfFlags::ANOTHER_FLAG) + ); + + assert_eq!(EmptyFlags::from_bits(0), Some(EmptyFlags::empty())); + assert_eq!(EmptyFlags::from_bits(0b1), None); + } + + #[test] + fn test_from_bits_truncate() { + assert_eq!(Flags::from_bits_truncate(0), Flags::empty()); + assert_eq!(Flags::from_bits_truncate(0b1), Flags::A); + assert_eq!(Flags::from_bits_truncate(0b10), Flags::B); + assert_eq!(Flags::from_bits_truncate(0b11), (Flags::A | Flags::B)); + assert_eq!(Flags::from_bits_truncate(0b1000), Flags::empty()); + assert_eq!(Flags::from_bits_truncate(0b1001), Flags::A); + + assert_eq!( + AnotherSetOfFlags::from_bits_truncate(0_i8), + AnotherSetOfFlags::empty() + ); + + assert_eq!(EmptyFlags::from_bits_truncate(0), EmptyFlags::empty()); + assert_eq!(EmptyFlags::from_bits_truncate(0b1), EmptyFlags::empty()); + } + + #[test] + fn test_from_bits_unchecked() { + let extra = unsafe { Flags::from_bits_unchecked(0b1000) }; + assert_eq!(unsafe { Flags::from_bits_unchecked(0) }, Flags::empty()); + assert_eq!(unsafe { Flags::from_bits_unchecked(0b1) }, Flags::A); + assert_eq!(unsafe { Flags::from_bits_unchecked(0b10) }, Flags::B); + + assert_eq!( + unsafe { Flags::from_bits_unchecked(0b11) }, + (Flags::A | Flags::B) + ); + assert_eq!( + unsafe { Flags::from_bits_unchecked(0b1000) }, + (extra | Flags::empty()) + ); + assert_eq!( + unsafe { Flags::from_bits_unchecked(0b1001) }, + (extra | Flags::A) + ); + + let extra = unsafe { EmptyFlags::from_bits_unchecked(0b1000) }; + assert_eq!( + unsafe { EmptyFlags::from_bits_unchecked(0b1000) }, + (extra | EmptyFlags::empty()) + ); + } + + #[test] + fn test_is_empty() { + assert!(Flags::empty().is_empty()); + assert!(!Flags::A.is_empty()); + assert!(!Flags::ABC.is_empty()); + + assert!(!AnotherSetOfFlags::ANOTHER_FLAG.is_empty()); + + assert!(EmptyFlags::empty().is_empty()); + assert!(EmptyFlags::all().is_empty()); + } + + #[test] + fn test_is_all() { + assert!(Flags::all().is_all()); + assert!(!Flags::A.is_all()); + assert!(Flags::ABC.is_all()); + + let extra = unsafe { Flags::from_bits_unchecked(0b1000) }; + assert!(!extra.is_all()); + assert!(!(Flags::A | extra).is_all()); + assert!((Flags::ABC | extra).is_all()); + + assert!(AnotherSetOfFlags::ANOTHER_FLAG.is_all()); + + assert!(EmptyFlags::all().is_all()); + assert!(EmptyFlags::empty().is_all()); + } + + #[test] + fn test_two_empties_do_not_intersect() { + let e1 = Flags::empty(); + let e2 = Flags::empty(); + assert!(!e1.intersects(e2)); + + assert!(AnotherSetOfFlags::ANOTHER_FLAG.intersects(AnotherSetOfFlags::ANOTHER_FLAG)); + } + + #[test] + fn test_empty_does_not_intersect_with_full() { + let e1 = Flags::empty(); + let e2 = Flags::ABC; + assert!(!e1.intersects(e2)); + } + + #[test] + fn test_disjoint_intersects() { + let e1 = Flags::A; + let e2 = Flags::B; + assert!(!e1.intersects(e2)); + } + + #[test] + fn test_overlapping_intersects() { + let e1 = Flags::A; + let e2 = Flags::A | Flags::B; + assert!(e1.intersects(e2)); + } + + #[test] + fn test_contains() { + let e1 = Flags::A; + let e2 = Flags::A | Flags::B; + assert!(!e1.contains(e2)); + assert!(e2.contains(e1)); + assert!(Flags::ABC.contains(e2)); + + assert!(AnotherSetOfFlags::ANOTHER_FLAG.contains(AnotherSetOfFlags::ANOTHER_FLAG)); + + assert!(EmptyFlags::empty().contains(EmptyFlags::empty())); + } + + #[test] + fn test_insert() { + let mut e1 = Flags::A; + let e2 = Flags::A | Flags::B; + e1.insert(e2); + assert_eq!(e1, e2); + + let mut e3 = AnotherSetOfFlags::empty(); + e3.insert(AnotherSetOfFlags::ANOTHER_FLAG); + assert_eq!(e3, AnotherSetOfFlags::ANOTHER_FLAG); + } + + #[test] + fn test_remove() { + let mut e1 = Flags::A | Flags::B; + let e2 = Flags::A | Flags::C; + e1.remove(e2); + assert_eq!(e1, Flags::B); + + let mut e3 = AnotherSetOfFlags::ANOTHER_FLAG; + e3.remove(AnotherSetOfFlags::ANOTHER_FLAG); + assert_eq!(e3, AnotherSetOfFlags::empty()); + } + + #[test] + fn test_operators() { + let e1 = Flags::A | Flags::C; + let e2 = Flags::B | Flags::C; + assert_eq!((e1 | e2), Flags::ABC); // union + assert_eq!((e1 & e2), Flags::C); // intersection + assert_eq!((e1 - e2), Flags::A); // set difference + assert_eq!(!e2, Flags::A); // set complement + assert_eq!(e1 ^ e2, Flags::A | Flags::B); // toggle + let mut e3 = e1; + e3.toggle(e2); + assert_eq!(e3, Flags::A | Flags::B); + + let mut m4 = AnotherSetOfFlags::empty(); + m4.toggle(AnotherSetOfFlags::empty()); + assert_eq!(m4, AnotherSetOfFlags::empty()); + } + + #[test] + fn test_operators_unchecked() { + let extra = unsafe { Flags::from_bits_unchecked(0b1000) }; + let e1 = Flags::A | Flags::C | extra; + let e2 = Flags::B | Flags::C; + assert_eq!((e1 | e2), (Flags::ABC | extra)); // union + assert_eq!((e1 & e2), Flags::C); // intersection + assert_eq!((e1 - e2), (Flags::A | extra)); // set difference + assert_eq!(!e2, Flags::A); // set complement + assert_eq!(!e1, Flags::B); // set complement + assert_eq!(e1 ^ e2, Flags::A | Flags::B | extra); // toggle + let mut e3 = e1; + e3.toggle(e2); + assert_eq!(e3, Flags::A | Flags::B | extra); + } + + #[test] + fn test_set_ops_basic() { + let ab = Flags::A.union(Flags::B); + let ac = Flags::A.union(Flags::C); + let bc = Flags::B.union(Flags::C); + assert_eq!(ab.bits, 0b011); + assert_eq!(bc.bits, 0b110); + assert_eq!(ac.bits, 0b101); + + assert_eq!(ab, Flags::B.union(Flags::A)); + assert_eq!(ac, Flags::C.union(Flags::A)); + assert_eq!(bc, Flags::C.union(Flags::B)); + + assert_eq!(ac, Flags::A | Flags::C); + assert_eq!(bc, Flags::B | Flags::C); + assert_eq!(ab.union(bc), Flags::ABC); + + assert_eq!(ac, Flags::A | Flags::C); + assert_eq!(bc, Flags::B | Flags::C); + + assert_eq!(ac.union(bc), ac | bc); + assert_eq!(ac.union(bc), Flags::ABC); + assert_eq!(bc.union(ac), Flags::ABC); + + assert_eq!(ac.intersection(bc), ac & bc); + assert_eq!(ac.intersection(bc), Flags::C); + assert_eq!(bc.intersection(ac), Flags::C); + + assert_eq!(ac.difference(bc), ac - bc); + assert_eq!(bc.difference(ac), bc - ac); + assert_eq!(ac.difference(bc), Flags::A); + assert_eq!(bc.difference(ac), Flags::B); + + assert_eq!(bc.complement(), !bc); + assert_eq!(bc.complement(), Flags::A); + assert_eq!(ac.symmetric_difference(bc), Flags::A.union(Flags::B)); + assert_eq!(bc.symmetric_difference(ac), Flags::A.union(Flags::B)); + } + + #[test] + fn test_set_ops_const() { + // These just test that these compile and don't cause use-site panics + // (would be possible if we had some sort of UB) + const INTERSECT: Flags = Flags::all().intersection(Flags::C); + const UNION: Flags = Flags::A.union(Flags::C); + const DIFFERENCE: Flags = Flags::all().difference(Flags::A); + const COMPLEMENT: Flags = Flags::C.complement(); + const SYM_DIFFERENCE: Flags = UNION.symmetric_difference(DIFFERENCE); + assert_eq!(INTERSECT, Flags::C); + assert_eq!(UNION, Flags::A | Flags::C); + assert_eq!(DIFFERENCE, Flags::all() - Flags::A); + assert_eq!(COMPLEMENT, !Flags::C); + assert_eq!(SYM_DIFFERENCE, (Flags::A | Flags::C) ^ (Flags::all() - Flags::A)); + } + + #[test] + fn test_set_ops_unchecked() { + let extra = unsafe { Flags::from_bits_unchecked(0b1000) }; + let e1 = Flags::A.union(Flags::C).union(extra); + let e2 = Flags::B.union(Flags::C); + assert_eq!(e1.bits, 0b1101); + assert_eq!(e1.union(e2), (Flags::ABC | extra)); + assert_eq!(e1.intersection(e2), Flags::C); + assert_eq!(e1.difference(e2), Flags::A | extra); + assert_eq!(e2.difference(e1), Flags::B); + assert_eq!(e2.complement(), Flags::A); + assert_eq!(e1.complement(), Flags::B); + assert_eq!(e1.symmetric_difference(e2), Flags::A | Flags::B | extra); // toggle + } + + #[test] + fn test_set_ops_exhaustive() { + // Define a flag that contains gaps to help exercise edge-cases, + // especially around "unknown" flags (e.g. ones outside of `all()` + // `from_bits_unchecked`). + // - when lhs and rhs both have different sets of unknown flags. + // - unknown flags at both ends, and in the middle + // - cases with "gaps". + bitflags! { + struct Test: u16 { + // Intentionally no `A` + const B = 0b000000010; + // Intentionally no `C` + const D = 0b000001000; + const E = 0b000010000; + const F = 0b000100000; + const G = 0b001000000; + // Intentionally no `H` + const I = 0b100000000; + } + } + let iter_test_flags = + || (0..=0b111_1111_1111).map(|bits| unsafe { Test::from_bits_unchecked(bits) }); + + for a in iter_test_flags() { + assert_eq!( + a.complement(), + Test::from_bits_truncate(!a.bits), + "wrong result: !({:?})", + a, + ); + assert_eq!(a.complement(), !a, "named != op: !({:?})", a); + for b in iter_test_flags() { + // Check that the named operations produce the expected bitwise + // values. + assert_eq!( + a.union(b).bits, + a.bits | b.bits, + "wrong result: `{:?}` | `{:?}`", + a, + b, + ); + assert_eq!( + a.intersection(b).bits, + a.bits & b.bits, + "wrong result: `{:?}` & `{:?}`", + a, + b, + ); + assert_eq!( + a.symmetric_difference(b).bits, + a.bits ^ b.bits, + "wrong result: `{:?}` ^ `{:?}`", + a, + b, + ); + assert_eq!( + a.difference(b).bits, + a.bits & !b.bits, + "wrong result: `{:?}` - `{:?}`", + a, + b, + ); + // Note: Difference is checked as both `a - b` and `b - a` + assert_eq!( + b.difference(a).bits, + b.bits & !a.bits, + "wrong result: `{:?}` - `{:?}`", + b, + a, + ); + // Check that the named set operations are equivalent to the + // bitwise equivalents + assert_eq!(a.union(b), a | b, "named != op: `{:?}` | `{:?}`", a, b,); + assert_eq!( + a.intersection(b), + a & b, + "named != op: `{:?}` & `{:?}`", + a, + b, + ); + assert_eq!( + a.symmetric_difference(b), + a ^ b, + "named != op: `{:?}` ^ `{:?}`", + a, + b, + ); + assert_eq!(a.difference(b), a - b, "named != op: `{:?}` - `{:?}`", a, b,); + // Note: Difference is checked as both `a - b` and `b - a` + assert_eq!(b.difference(a), b - a, "named != op: `{:?}` - `{:?}`", b, a,); + // Verify that the operations which should be symmetric are + // actually symmetric. + assert_eq!(a.union(b), b.union(a), "asymmetry: `{:?}` | `{:?}`", a, b,); + assert_eq!( + a.intersection(b), + b.intersection(a), + "asymmetry: `{:?}` & `{:?}`", + a, + b, + ); + assert_eq!( + a.symmetric_difference(b), + b.symmetric_difference(a), + "asymmetry: `{:?}` ^ `{:?}`", + a, + b, + ); + } + } + } + + #[test] + fn test_set() { + let mut e1 = Flags::A | Flags::C; + e1.set(Flags::B, true); + e1.set(Flags::C, false); + + assert_eq!(e1, Flags::A | Flags::B); + } + + #[test] + fn test_assignment_operators() { + let mut m1 = Flags::empty(); + let e1 = Flags::A | Flags::C; + // union + m1 |= Flags::A; + assert_eq!(m1, Flags::A); + // intersection + m1 &= e1; + assert_eq!(m1, Flags::A); + // set difference + m1 -= m1; + assert_eq!(m1, Flags::empty()); + // toggle + m1 ^= e1; + assert_eq!(m1, e1); + } + + #[test] + fn test_const_fn() { + const _M1: Flags = Flags::empty(); + + const M2: Flags = Flags::A; + assert_eq!(M2, Flags::A); + + const M3: Flags = Flags::C; + assert_eq!(M3, Flags::C); + } + + #[test] + fn test_extend() { + let mut flags; + + flags = Flags::empty(); + flags.extend([].iter().cloned()); + assert_eq!(flags, Flags::empty()); + + flags = Flags::empty(); + flags.extend([Flags::A, Flags::B].iter().cloned()); + assert_eq!(flags, Flags::A | Flags::B); + + flags = Flags::A; + flags.extend([Flags::A, Flags::B].iter().cloned()); + assert_eq!(flags, Flags::A | Flags::B); + + flags = Flags::B; + flags.extend([Flags::A, Flags::ABC].iter().cloned()); + assert_eq!(flags, Flags::ABC); + } + + #[test] + fn test_from_iterator() { + assert_eq!([].iter().cloned().collect::<Flags>(), Flags::empty()); + assert_eq!( + [Flags::A, Flags::B].iter().cloned().collect::<Flags>(), + Flags::A | Flags::B + ); + assert_eq!( + [Flags::A, Flags::ABC].iter().cloned().collect::<Flags>(), + Flags::ABC + ); + } + + #[test] + fn test_lt() { + let mut a = Flags::empty(); + let mut b = Flags::empty(); + + assert!(!(a < b) && !(b < a)); + b = Flags::B; + assert!(a < b); + a = Flags::C; + assert!(!(a < b) && b < a); + b = Flags::C | Flags::B; + assert!(a < b); + } + + #[test] + fn test_ord() { + let mut a = Flags::empty(); + let mut b = Flags::empty(); + + assert!(a <= b && a >= b); + a = Flags::A; + assert!(a > b && a >= b); + assert!(b < a && b <= a); + b = Flags::B; + assert!(b > a && b >= a); + assert!(a < b && a <= b); + } + + fn hash<T: Hash>(t: &T) -> u64 { + let mut s = DefaultHasher::new(); + t.hash(&mut s); + s.finish() + } + + #[test] + fn test_hash() { + let mut x = Flags::empty(); + let mut y = Flags::empty(); + assert_eq!(hash(&x), hash(&y)); + x = Flags::all(); + y = Flags::ABC; + assert_eq!(hash(&x), hash(&y)); + } + + #[test] + fn test_default() { + assert_eq!(Flags::empty(), Flags::default()); + } + + #[test] + fn test_debug() { + assert_eq!(format!("{:?}", Flags::A | Flags::B), "A | B"); + assert_eq!(format!("{:?}", Flags::empty()), "(empty)"); + assert_eq!(format!("{:?}", Flags::ABC), "A | B | C | ABC"); + let extra = unsafe { Flags::from_bits_unchecked(0xb8) }; + assert_eq!(format!("{:?}", extra), "0xb8"); + assert_eq!(format!("{:?}", Flags::A | extra), "A | 0xb8"); + + assert_eq!( + format!("{:?}", Flags::ABC | extra), + "A | B | C | ABC | 0xb8" + ); + + assert_eq!(format!("{:?}", EmptyFlags::empty()), "(empty)"); + } + + #[test] + fn test_binary() { + assert_eq!(format!("{:b}", Flags::ABC), "111"); + assert_eq!(format!("{:#b}", Flags::ABC), "0b111"); + let extra = unsafe { Flags::from_bits_unchecked(0b1010000) }; + assert_eq!(format!("{:b}", Flags::ABC | extra), "1010111"); + assert_eq!(format!("{:#b}", Flags::ABC | extra), "0b1010111"); + } + + #[test] + fn test_octal() { + assert_eq!(format!("{:o}", LongFlags::LONG_A), "177777"); + assert_eq!(format!("{:#o}", LongFlags::LONG_A), "0o177777"); + let extra = unsafe { LongFlags::from_bits_unchecked(0o5000000) }; + assert_eq!(format!("{:o}", LongFlags::LONG_A | extra), "5177777"); + assert_eq!(format!("{:#o}", LongFlags::LONG_A | extra), "0o5177777"); + } + + #[test] + fn test_lowerhex() { + assert_eq!(format!("{:x}", LongFlags::LONG_A), "ffff"); + assert_eq!(format!("{:#x}", LongFlags::LONG_A), "0xffff"); + let extra = unsafe { LongFlags::from_bits_unchecked(0xe00000) }; + assert_eq!(format!("{:x}", LongFlags::LONG_A | extra), "e0ffff"); + assert_eq!(format!("{:#x}", LongFlags::LONG_A | extra), "0xe0ffff"); + } + + #[test] + fn test_upperhex() { + assert_eq!(format!("{:X}", LongFlags::LONG_A), "FFFF"); + assert_eq!(format!("{:#X}", LongFlags::LONG_A), "0xFFFF"); + let extra = unsafe { LongFlags::from_bits_unchecked(0xe00000) }; + assert_eq!(format!("{:X}", LongFlags::LONG_A | extra), "E0FFFF"); + assert_eq!(format!("{:#X}", LongFlags::LONG_A | extra), "0xE0FFFF"); + } + + mod submodule { + bitflags! { + pub struct PublicFlags: i8 { + const X = 0; + } + + struct PrivateFlags: i8 { + const Y = 0; + } + } + + #[test] + fn test_private() { + let _ = PrivateFlags::Y; + } + } + + #[test] + fn test_public() { + let _ = submodule::PublicFlags::X; + } + + mod t1 { + mod foo { + pub type Bar = i32; + } + + bitflags! { + /// baz + struct Flags: foo::Bar { + const A = 0b00000001; + #[cfg(foo)] + const B = 0b00000010; + #[cfg(foo)] + const C = 0b00000010; + } + } + } + + #[test] + fn test_in_function() { + bitflags! { + struct Flags: u8 { + const A = 1; + #[cfg(any())] // false + const B = 2; + } + } + assert_eq!(Flags::all(), Flags::A); + assert_eq!(format!("{:?}", Flags::A), "A"); + } + + #[test] + fn test_deprecated() { + bitflags! { + pub struct TestFlags: u32 { + #[deprecated(note = "Use something else.")] + const ONE = 1; + } + } + } + + #[test] + fn test_pub_crate() { + mod module { + bitflags! { + pub (crate) struct Test: u8 { + const FOO = 1; + } + } + } + + assert_eq!(module::Test::FOO.bits(), 1); + } + + #[test] + fn test_pub_in_module() { + mod module { + mod submodule { + bitflags! { + // `pub (in super)` means only the module `module` will + // be able to access this. + pub (in super) struct Test: u8 { + const FOO = 1; + } + } + } + + mod test { + // Note: due to `pub (in super)`, + // this cannot be accessed directly by the testing code. + pub(super) fn value() -> u8 { + super::submodule::Test::FOO.bits() + } + } + + pub fn value() -> u8 { + test::value() + } + } + + assert_eq!(module::value(), 1) + } + + #[test] + fn test_zero_value_flags() { + bitflags! { + struct Flags: u32 { + const NONE = 0b0; + const SOME = 0b1; + } + } + + assert!(Flags::empty().contains(Flags::NONE)); + assert!(Flags::SOME.contains(Flags::NONE)); + assert!(Flags::NONE.is_empty()); + + assert_eq!(format!("{:?}", Flags::empty()), "NONE"); + assert_eq!(format!("{:?}", Flags::SOME), "SOME"); + } + + #[test] + fn test_empty_bitflags() { + bitflags! {} + } + + #[test] + fn test_u128_bitflags() { + bitflags! { + struct Flags128: u128 { + const A = 0x0000_0000_0000_0000_0000_0000_0000_0001; + const B = 0x0000_0000_0000_1000_0000_0000_0000_0000; + const C = 0x8000_0000_0000_0000_0000_0000_0000_0000; + const ABC = Self::A.bits | Self::B.bits | Self::C.bits; + } + } + + assert_eq!(Flags128::ABC, Flags128::A | Flags128::B | Flags128::C); + assert_eq!(Flags128::A.bits, 0x0000_0000_0000_0000_0000_0000_0000_0001); + assert_eq!(Flags128::B.bits, 0x0000_0000_0000_1000_0000_0000_0000_0000); + assert_eq!(Flags128::C.bits, 0x8000_0000_0000_0000_0000_0000_0000_0000); + assert_eq!( + Flags128::ABC.bits, + 0x8000_0000_0000_1000_0000_0000_0000_0001 + ); + assert_eq!(format!("{:?}", Flags128::A), "A"); + assert_eq!(format!("{:?}", Flags128::B), "B"); + assert_eq!(format!("{:?}", Flags128::C), "C"); + assert_eq!(format!("{:?}", Flags128::ABC), "A | B | C | ABC"); + } + + #[test] + fn test_serde_bitflags_serialize() { + let flags = SerdeFlags::A | SerdeFlags::B; + + let serialized = serde_json::to_string(&flags).unwrap(); + + assert_eq!(serialized, r#"{"bits":3}"#); + } + + #[test] + fn test_serde_bitflags_deserialize() { + let deserialized: SerdeFlags = serde_json::from_str(r#"{"bits":12}"#).unwrap(); + + let expected = SerdeFlags::C | SerdeFlags::D; + + assert_eq!(deserialized.bits, expected.bits); + } + + #[test] + fn test_serde_bitflags_roundtrip() { + let flags = SerdeFlags::A | SerdeFlags::B; + + let deserialized: SerdeFlags = serde_json::from_str(&serde_json::to_string(&flags).unwrap()).unwrap(); + + assert_eq!(deserialized.bits, flags.bits); + } + + bitflags! { + #[derive(serde::Serialize, serde::Deserialize)] + struct SerdeFlags: u32 { + const A = 1; + const B = 2; + const C = 4; + const D = 8; + } + } +} diff --git a/vendor/bitflags-1.3.2/tests/basic.rs b/vendor/bitflags-1.3.2/tests/basic.rs new file mode 100644 index 0000000..73a52be --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/basic.rs @@ -0,0 +1,20 @@ +#![no_std] + +use bitflags::bitflags; + +bitflags! { + /// baz + struct Flags: u32 { + const A = 0b00000001; + #[doc = "bar"] + const B = 0b00000010; + const C = 0b00000100; + #[doc = "foo"] + const ABC = Flags::A.bits | Flags::B.bits | Flags::C.bits; + } +} + +#[test] +fn basic() { + assert_eq!(Flags::ABC, Flags::A | Flags::B | Flags::C); +} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.rs b/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.rs new file mode 100644 index 0000000..38f4822 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.rs @@ -0,0 +1,10 @@ +use bitflags::bitflags; + +bitflags! { + #[derive(Clone, Copy)] + struct Flags: u32 { + const A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.stderr.beta new file mode 100644 index 0000000..0c13aa5 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/impls/copy.stderr.beta @@ -0,0 +1,27 @@ +error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `Flags` + --> $DIR/copy.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(Clone, Copy)] + | | ----- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `Flags` + --> $DIR/copy.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(Clone, Copy)] + | | ---- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.rs b/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.rs new file mode 100644 index 0000000..4abbd63 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.rs @@ -0,0 +1,10 @@ +use bitflags::bitflags; + +bitflags! { + #[derive(PartialEq, Eq)] + struct Flags: u32 { + const A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.stderr.beta new file mode 100644 index 0000000..8a1a3b4 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/impls/eq.stderr.beta @@ -0,0 +1,55 @@ +error[E0119]: conflicting implementations of trait `std::cmp::PartialEq` for type `Flags` + --> $DIR/eq.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(PartialEq, Eq)] + | | --------- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0119]: conflicting implementations of trait `std::cmp::Eq` for type `Flags` + --> $DIR/eq.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(PartialEq, Eq)] + | | -- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0119]: conflicting implementations of trait `std::marker::StructuralPartialEq` for type `Flags` + --> $DIR/eq.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(PartialEq, Eq)] + | | --------- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0119]: conflicting implementations of trait `std::marker::StructuralEq` for type `Flags` + --> $DIR/eq.rs:3:1 + | +3 | / bitflags! { +4 | | #[derive(PartialEq, Eq)] + | | -- first implementation here +5 | | struct Flags: u32 { +6 | | const A = 0b00000001; +7 | | } +8 | | } + | |_^ conflicting implementation for `Flags` + | + = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.rs b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.rs new file mode 100644 index 0000000..c2856b1 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.rs @@ -0,0 +1,123 @@ +use std::{ + fmt::{ + self, + Debug, + Display, + LowerHex, + UpperHex, + Octal, + Binary, + }, + ops::{ + BitAnd, + BitOr, + BitXor, + BitAndAssign, + BitOrAssign, + BitXorAssign, + Not, + }, +}; + +use bitflags::bitflags; + +// Ideally we'd actually want this to work, but currently need something like `num`'s `Zero` +// With some design work it could be made possible +#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] +struct MyInt(u8); + +impl BitAnd for MyInt { + type Output = Self; + + fn bitand(self, other: Self) -> Self { + MyInt(self.0 & other.0) + } +} + +impl BitOr for MyInt { + type Output = Self; + + fn bitor(self, other: Self) -> Self { + MyInt(self.0 | other.0) + } +} + +impl BitXor for MyInt { + type Output = Self; + + fn bitxor(self, other: Self) -> Self { + MyInt(self.0 ^ other.0) + } +} + +impl BitAndAssign for MyInt { + fn bitand_assign(&mut self, other: Self) { + self.0 &= other.0 + } +} + +impl BitOrAssign for MyInt { + fn bitor_assign(&mut self, other: Self) { + self.0 |= other.0 + } +} + +impl BitXorAssign for MyInt { + fn bitxor_assign(&mut self, other: Self) { + self.0 ^= other.0 + } +} + +impl Debug for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Debug::fmt(&self.0, f) + } +} + +impl Display for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Display::fmt(&self.0, f) + } +} + +impl LowerHex for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + LowerHex::fmt(&self.0, f) + } +} + +impl UpperHex for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + UpperHex::fmt(&self.0, f) + } +} + +impl Octal for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Octal::fmt(&self.0, f) + } +} + +impl Binary for MyInt { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Binary::fmt(&self.0, f) + } +} + +impl Not for MyInt { + type Output = MyInt; + + fn not(self) -> Self { + MyInt(!self.0) + } +} + +bitflags! { + struct Flags128: MyInt { + const A = MyInt(0b0000_0001u8); + const B = MyInt(0b0000_0010u8); + const C = MyInt(0b0000_0100u8); + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.stderr.beta new file mode 100644 index 0000000..1f0fb5c --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_defined.stderr.beta @@ -0,0 +1,27 @@ +error[E0308]: mismatched types + --> $DIR/all_defined.rs:115:1 + | +115 | / bitflags! { +116 | | struct Flags128: MyInt { +117 | | const A = MyInt(0b0000_0001u8); +118 | | const B = MyInt(0b0000_0010u8); +119 | | const C = MyInt(0b0000_0100u8); +120 | | } +121 | | } + | |_^ expected struct `MyInt`, found integer + | + = note: this error originates in the macro `__impl_all_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0308]: mismatched types + --> $DIR/all_defined.rs:115:1 + | +115 | / bitflags! { +116 | | struct Flags128: MyInt { +117 | | const A = MyInt(0b0000_0001u8); +118 | | const B = MyInt(0b0000_0010u8); +119 | | const C = MyInt(0b0000_0100u8); +120 | | } +121 | | } + | |_^ expected struct `MyInt`, found integer + | + = note: this error originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.rs b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.rs new file mode 100644 index 0000000..fff6b2c --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.rs @@ -0,0 +1,13 @@ +use bitflags::bitflags; + +struct MyInt(u8); + +bitflags! { + struct Flags128: MyInt { + const A = MyInt(0b0000_0001); + const B = MyInt(0b0000_0010); + const C = MyInt(0b0000_0100); + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.stderr.beta new file mode 100644 index 0000000..ee95f83 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/non_integer_base/all_missing.stderr.beta @@ -0,0 +1,13 @@ +error[E0204]: the trait `Copy` may not be implemented for this type + --> $DIR/all_missing.rs:5:1 + | +5 | / bitflags! { +6 | | struct Flags128: MyInt { +7 | | const A = MyInt(0b0000_0001); +8 | | const B = MyInt(0b0000_0010); +9 | | const C = MyInt(0b0000_0100); +10 | | } +11 | | } + | |_^ this field does not implement `Copy` + | + = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.rs b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.rs new file mode 100644 index 0000000..a6a3912 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.rs @@ -0,0 +1,13 @@ +mod example { + use bitflags::bitflags; + + bitflags! { + pub struct Flags1: u32 { + const FLAG_A = 0b00000001; + } + } +} + +fn main() { + let flag1 = example::Flags1::FLAG_A.bits; +} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.stderr.beta new file mode 100644 index 0000000..58a0466 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_field.stderr.beta @@ -0,0 +1,10 @@ +error[E0616]: field `bits` of struct `Flags1` is private + --> $DIR/private_field.rs:12:41 + | +12 | let flag1 = example::Flags1::FLAG_A.bits; + | ^^^^ private field + | +help: a method `bits` also exists, call it with parentheses + | +12 | let flag1 = example::Flags1::FLAG_A.bits(); + | ^^ diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.rs b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.rs new file mode 100644 index 0000000..85a5b18 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.rs @@ -0,0 +1,18 @@ +mod example { + use bitflags::bitflags; + + bitflags! { + pub struct Flags1: u32 { + const FLAG_A = 0b00000001; + } + + struct Flags2: u32 { + const FLAG_B = 0b00000010; + } + } +} + +fn main() { + let flag1 = example::Flags1::FLAG_A; + let flag2 = example::Flags2::FLAG_B; +} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.stderr.beta new file mode 100644 index 0000000..d23f832 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/private_flags.stderr.beta @@ -0,0 +1,18 @@ +error[E0603]: struct `Flags2` is private + --> $DIR/private_flags.rs:17:26 + | +17 | let flag2 = example::Flags2::FLAG_B; + | ^^^^^^ private struct + | +note: the struct `Flags2` is defined here + --> $DIR/private_flags.rs:4:5 + | +4 | / bitflags! { +5 | | pub struct Flags1: u32 { +6 | | const FLAG_A = 0b00000001; +7 | | } +... | +11 | | } +12 | | } + | |_____^ + = note: this error originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.rs b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.rs new file mode 100644 index 0000000..b90f0ce --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.rs @@ -0,0 +1,9 @@ +use bitflags::bitflags; + +bitflags! { + pub struct Flags1: u32 { + pub const FLAG_A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.stderr.beta b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.stderr.beta new file mode 100644 index 0000000..b01122c --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-fail/visibility/pub_const.stderr.beta @@ -0,0 +1,5 @@ +error: no rules expected the token `pub` + --> $DIR/pub_const.rs:5:9 + | +5 | pub const FLAG_A = 0b00000001; + | ^^^ no rules expected this token in macro call diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/impls/convert.rs b/vendor/bitflags-1.3.2/tests/compile-pass/impls/convert.rs new file mode 100644 index 0000000..1f02982 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/impls/convert.rs @@ -0,0 +1,17 @@ +use bitflags::bitflags; + +bitflags! { + struct Flags: u32 { + const A = 0b00000001; + } +} + +impl From<u32> for Flags { + fn from(v: u32) -> Flags { + Flags::from_bits_truncate(v) + } +} + +fn main() { + +} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/impls/default.rs b/vendor/bitflags-1.3.2/tests/compile-pass/impls/default.rs new file mode 100644 index 0000000..a97b653 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/impls/default.rs @@ -0,0 +1,10 @@ +use bitflags::bitflags; + +bitflags! { + #[derive(Default)] + struct Flags: u32 { + const A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/impls/inherent_methods.rs b/vendor/bitflags-1.3.2/tests/compile-pass/impls/inherent_methods.rs new file mode 100644 index 0000000..3052c46 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/impls/inherent_methods.rs @@ -0,0 +1,15 @@ +use bitflags::bitflags; + +bitflags! { + struct Flags: u32 { + const A = 0b00000001; + } +} + +impl Flags { + pub fn new() -> Flags { + Flags::A + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/core.rs b/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/core.rs new file mode 100644 index 0000000..4754921 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/core.rs @@ -0,0 +1,14 @@ +use bitflags::bitflags; + +// Checks for possible errors caused by overriding names used by `bitflags!` internally. + +mod core {} +mod _core {} + +bitflags! { + struct Test: u8 { + const A = 1; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/stringify.rs b/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/stringify.rs new file mode 100644 index 0000000..b04f2f6 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/redefinition/stringify.rs @@ -0,0 +1,19 @@ +use bitflags::bitflags; + +// Checks for possible errors caused by overriding names used by `bitflags!` internally. + +#[allow(unused_macros)] +macro_rules! stringify { + ($($t:tt)*) => { "..." }; +} + +bitflags! { + struct Test: u8 { + const A = 1; + } +} + +fn main() { + // Just make sure we don't call the redefined `stringify` macro + assert_eq!(format!("{:?}", Test::A), "A"); +} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/repr/c.rs b/vendor/bitflags-1.3.2/tests/compile-pass/repr/c.rs new file mode 100644 index 0000000..6feba36 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/repr/c.rs @@ -0,0 +1,10 @@ +use bitflags::bitflags; + +bitflags! { + #[repr(C)] + struct Flags: u32 { + const A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/repr/transparent.rs b/vendor/bitflags-1.3.2/tests/compile-pass/repr/transparent.rs new file mode 100644 index 0000000..e38db4d --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/repr/transparent.rs @@ -0,0 +1,10 @@ +use bitflags::bitflags; + +bitflags! { + #[repr(transparent)] + struct Flags: u32 { + const A = 0b00000001; + } +} + +fn main() {} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/visibility/bits_field.rs b/vendor/bitflags-1.3.2/tests/compile-pass/visibility/bits_field.rs new file mode 100644 index 0000000..33a7967 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/visibility/bits_field.rs @@ -0,0 +1,11 @@ +use bitflags::bitflags; + +bitflags! { + pub struct Flags1: u32 { + const FLAG_A = 0b00000001; + } +} + +fn main() { + assert_eq!(0b00000001, Flags1::FLAG_A.bits); +} diff --git a/vendor/bitflags-1.3.2/tests/compile-pass/visibility/pub_in.rs b/vendor/bitflags-1.3.2/tests/compile-pass/visibility/pub_in.rs new file mode 100644 index 0000000..c11050e --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile-pass/visibility/pub_in.rs @@ -0,0 +1,19 @@ +mod a { + mod b { + use bitflags::bitflags; + + bitflags! { + pub(in crate::a) struct Flags: u32 { + const FLAG_A = 0b00000001; + } + } + } + + pub fn flags() -> u32 { + b::Flags::FLAG_A.bits() + } +} + +fn main() { + assert_eq!(0b00000001, a::flags()); +} diff --git a/vendor/bitflags-1.3.2/tests/compile.rs b/vendor/bitflags-1.3.2/tests/compile.rs new file mode 100644 index 0000000..ed02d01 --- /dev/null +++ b/vendor/bitflags-1.3.2/tests/compile.rs @@ -0,0 +1,63 @@ +use std::{ + fs, + ffi::OsStr, + io, + path::Path, +}; + +use walkdir::WalkDir; + +#[test] +fn fail() { + prepare_stderr_files("tests/compile-fail").unwrap(); + + let t = trybuild::TestCases::new(); + t.compile_fail("tests/compile-fail/**/*.rs"); +} + +#[test] +fn pass() { + let t = trybuild::TestCases::new(); + t.pass("tests/compile-pass/**/*.rs"); +} + +// Compiler messages may change between versions +// We don't want to have to track these too closely for `bitflags`, but +// having some message to check makes sure user-facing errors are sensical. +// +// The approach we use is to run the test on all compilers, but only check stderr +// output on beta (which is the next stable release). We do this by default ignoring +// any `.stderr` files in the `compile-fail` directory, and copying `.stderr.beta` files +// when we happen to be running on a beta compiler. +fn prepare_stderr_files(path: impl AsRef<Path>) -> io::Result<()> { + for entry in WalkDir::new(path) { + let entry = entry?; + + if entry.path().extension().and_then(OsStr::to_str) == Some("beta") { + let renamed = entry.path().with_extension(""); + + // Unconditionally remove a corresponding `.stderr` file for a `.stderr.beta` + // file if it exists. On `beta` compilers, we'll recreate it. On other compilers, + // we don't want to end up checking it anyways. + if renamed.exists() { + fs::remove_file(&renamed)?; + } + + rename_beta_stderr(entry.path(), renamed)?; + } + } + + Ok(()) +} + +#[rustversion::beta] +fn rename_beta_stderr(from: impl AsRef<Path>, to: impl AsRef<Path>) -> io::Result<()> { + fs::copy(from, to)?; + + Ok(()) +} + +#[rustversion::not(beta)] +fn rename_beta_stderr(_: impl AsRef<Path>, _: impl AsRef<Path>) -> io::Result<()> { + Ok(()) +} |