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Don't lint implicit_return on proc macros
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29cc5c691c
commit
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@ -1,7 +1,7 @@
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use clippy_utils::diagnostics::span_lint_hir_and_then;
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use clippy_utils::source::{snippet_with_applicability, snippet_with_context, walk_span_to_context};
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use clippy_utils::visitors::for_each_expr_without_closures;
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use clippy_utils::{get_async_fn_body, is_async_fn};
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use clippy_utils::{get_async_fn_body, is_async_fn, is_from_proc_macro};
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use core::ops::ControlFlow;
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use rustc_errors::Applicability;
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use rustc_hir::intravisit::FnKind;
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@ -245,6 +245,10 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitReturn {
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} else {
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body.value
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};
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if is_from_proc_macro(cx, expr) {
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return;
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}
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lint_implicit_returns(cx, expr, expr.span.ctxt(), None);
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}
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}
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@ -1,7 +1,12 @@
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//@aux-build: proc_macros.rs
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#![feature(lint_reasons)]
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#![warn(clippy::implicit_return)]
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#![allow(clippy::needless_return, clippy::needless_bool, unused, clippy::never_loop)]
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extern crate proc_macros;
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use proc_macros::with_span;
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fn test_end_of_fn() -> bool {
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if true {
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// no error!
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@ -137,3 +142,11 @@ fn check_expect() -> bool {
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#[expect(clippy::implicit_return)]
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true
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}
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with_span!(
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span
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fn dont_lint_proc_macro(x: usize) -> usize{
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x
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}
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);
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@ -1,7 +1,12 @@
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//@aux-build: proc_macros.rs
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#![feature(lint_reasons)]
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#![warn(clippy::implicit_return)]
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#![allow(clippy::needless_return, clippy::needless_bool, unused, clippy::never_loop)]
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extern crate proc_macros;
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use proc_macros::with_span;
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fn test_end_of_fn() -> bool {
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if true {
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// no error!
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@ -137,3 +142,11 @@ fn check_expect() -> bool {
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#[expect(clippy::implicit_return)]
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true
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}
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with_span!(
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span
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fn dont_lint_proc_macro(x: usize) -> usize{
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x
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}
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);
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@ -1,5 +1,5 @@
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:11:5
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--> tests/ui/implicit_return.rs:16:5
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LL | true
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| ^^^^ help: add `return` as shown: `return true`
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@ -8,85 +8,85 @@ LL | true
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= help: to override `-D warnings` add `#[allow(clippy::implicit_return)]`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:15:15
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--> tests/ui/implicit_return.rs:20:15
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LL | if true { true } else { false }
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| ^^^^ help: add `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:15:29
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--> tests/ui/implicit_return.rs:20:29
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LL | if true { true } else { false }
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| ^^^^^ help: add `return` as shown: `return false`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:21:17
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--> tests/ui/implicit_return.rs:26:17
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LL | true => false,
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| ^^^^^ help: add `return` as shown: `return false`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:22:20
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--> tests/ui/implicit_return.rs:27:20
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LL | false => { true },
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| ^^^^ help: add `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:35:9
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--> tests/ui/implicit_return.rs:40:9
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LL | break true;
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| ^^^^^^^^^^ help: change `break` to `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:42:13
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--> tests/ui/implicit_return.rs:47:13
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LL | break true;
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| ^^^^^^^^^^ help: change `break` to `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:50:13
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--> tests/ui/implicit_return.rs:55:13
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LL | break true;
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| ^^^^^^^^^^ help: change `break` to `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:68:18
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--> tests/ui/implicit_return.rs:73:18
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LL | let _ = || { true };
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| ^^^^ help: add `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:69:16
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--> tests/ui/implicit_return.rs:74:16
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LL | let _ = || true;
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| ^^^^ help: add `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:77:5
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--> tests/ui/implicit_return.rs:82:5
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LL | format!("test {}", "test")
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: add `return` as shown: `return format!("test {}", "test")`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:86:5
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--> tests/ui/implicit_return.rs:91:5
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LL | m!(true, false)
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| ^^^^^^^^^^^^^^^ help: add `return` as shown: `return m!(true, false)`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:92:13
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--> tests/ui/implicit_return.rs:97:13
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LL | break true;
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| ^^^^^^^^^^ help: change `break` to `return` as shown: `return true`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:97:17
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--> tests/ui/implicit_return.rs:102:17
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LL | break 'outer false;
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| ^^^^^^^^^^^^^^^^^^ help: change `break` to `return` as shown: `return false`
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:112:5
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--> tests/ui/implicit_return.rs:117:5
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LL | / loop {
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LL | | m!(true);
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@ -101,7 +101,7 @@ LL + }
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error: missing `return` statement
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--> tests/ui/implicit_return.rs:126:5
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--> tests/ui/implicit_return.rs:131:5
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LL | true
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| ^^^^ help: add `return` as shown: `return true`
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