75 lines
1.6 KiB
Rust
75 lines
1.6 KiB
Rust
//@aux-build:proc_macros.rs
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//@aux-build:proc_macro_derive.rs
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#![allow(unused)]
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#![warn(clippy::allow_attributes)]
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#![no_main]
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extern crate proc_macros;
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use proc_macros::{external, with_span};
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// Using clippy::needless_borrow just as a placeholder, it isn't relevant.
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// Should lint
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#[allow(dead_code)]
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struct T1;
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struct T2; // Should not lint
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#[deny(clippy::needless_borrow)] // Should not lint
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struct T3;
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#[warn(clippy::needless_borrow)] // Should not lint
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struct T4;
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// `panic = "unwind"` should always be true
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#[cfg_attr(panic = "unwind", allow(dead_code))]
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struct CfgT;
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#[allow(clippy::allow_attributes, unused)]
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struct Allowed;
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#[expect(clippy::allow_attributes)]
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#[allow(unused)]
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struct Expected;
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fn ignore_external() {
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external! {
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#[allow(clippy::needless_borrow)] // Should not lint
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fn a() {}
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}
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}
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fn ignore_proc_macro() {
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with_span! {
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span
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#[allow(clippy::needless_borrow)] // Should not lint
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fn a() {}
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}
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}
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fn ignore_inner_attr() {
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#![allow(unused)] // Should not lint
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}
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#[clippy::msrv = "1.81"]
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fn msrv_1_81() {
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#[allow(unused)]
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let x = 1;
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}
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#[clippy::msrv = "1.80"]
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fn msrv_1_80() {
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#[allow(unused)]
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let x = 1;
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}
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#[deny(clippy::allow_attributes)]
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fn deny_allow_attributes() -> Option<u8> {
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let allow = None;
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allow?;
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Some(42)
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}
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// Edge case where the generated tokens spans match on #[repr(transparent)] which tricks the proc
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// macro check
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#[repr(transparent)]
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#[derive(proc_macro_derive::AllowLintSameSpan)] // This macro generates tokens with the same span as the whole struct and repr
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struct IgnoreDerived;
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