mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 16:39:26 +00:00
add proc macro check to needless_return
This commit is contained in:
y21
parent
8ab744e2d1
commit
c8725f70e7
4 changed files with 81 additions and 65 deletions
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@ -407,7 +407,7 @@ fn check_final_expr<'tcx>(
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}
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}
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if ret_span.from_expansion() {
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if ret_span.from_expansion() || is_from_proc_macro(cx, expr) {
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return;
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}
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@ -1,3 +1,4 @@
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//@aux-build:proc_macros.rs
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#![feature(yeet_expr)]
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#![allow(unused)]
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#![allow(
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@ -9,6 +10,9 @@
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)]
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#![warn(clippy::needless_return)]
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extern crate proc_macros;
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use proc_macros::with_span;
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use std::cell::RefCell;
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macro_rules! the_answer {
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@ -359,4 +363,8 @@ fn issue12907() -> String {
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"".split("").next().unwrap().to_string()
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}
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fn issue13458() {
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with_span!(span return);
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}
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fn main() {}
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@ -1,3 +1,4 @@
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//@aux-build:proc_macros.rs
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#![feature(yeet_expr)]
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#![allow(unused)]
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#![allow(
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@ -9,6 +10,9 @@
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)]
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#![warn(clippy::needless_return)]
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extern crate proc_macros;
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use proc_macros::with_span;
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use std::cell::RefCell;
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macro_rules! the_answer {
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@ -369,4 +373,8 @@ fn issue12907() -> String {
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return "".split("").next().unwrap().to_string();
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}
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fn issue13458() {
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with_span!(span return);
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}
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fn main() {}
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@ -1,5 +1,5 @@
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:25:5
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--> tests/ui/needless_return.rs:29:5
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LL | return true;
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| ^^^^^^^^^^^
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@ -13,7 +13,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:29:5
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--> tests/ui/needless_return.rs:33:5
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LL | return true;
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| ^^^^^^^^^^^
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@ -25,7 +25,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:34:5
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--> tests/ui/needless_return.rs:38:5
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LL | return true;;;
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| ^^^^^^^^^^^
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@ -37,7 +37,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:39:5
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--> tests/ui/needless_return.rs:43:5
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LL | return true;; ; ;
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| ^^^^^^^^^^^
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@ -49,7 +49,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:44:9
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--> tests/ui/needless_return.rs:48:9
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LL | return true;
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| ^^^^^^^^^^^
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@ -61,7 +61,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:46:9
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--> tests/ui/needless_return.rs:50:9
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LL | return false;
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| ^^^^^^^^^^^^
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@ -73,7 +73,7 @@ LL + false
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:52:17
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--> tests/ui/needless_return.rs:56:17
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LL | true => return false,
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| ^^^^^^^^^^^^
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@ -84,7 +84,7 @@ LL | true => false,
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| ~~~~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:54:13
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--> tests/ui/needless_return.rs:58:13
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LL | return true;
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| ^^^^^^^^^^^
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@ -96,7 +96,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:61:9
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--> tests/ui/needless_return.rs:65:9
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LL | return true;
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| ^^^^^^^^^^^
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@ -108,7 +108,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:63:16
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--> tests/ui/needless_return.rs:67:16
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LL | let _ = || return true;
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| ^^^^^^^^^^^
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@ -119,7 +119,7 @@ LL | let _ = || true;
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| ~~~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:67:5
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--> tests/ui/needless_return.rs:71:5
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LL | return the_answer!();
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| ^^^^^^^^^^^^^^^^^^^^
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@ -131,7 +131,7 @@ LL + the_answer!()
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:70:21
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--> tests/ui/needless_return.rs:74:21
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LL | fn test_void_fun() {
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| _____________________^
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@ -146,7 +146,7 @@ LL + fn test_void_fun() {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:75:11
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--> tests/ui/needless_return.rs:79:11
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LL | if b {
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| ___________^
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@ -161,7 +161,7 @@ LL + if b {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:77:13
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--> tests/ui/needless_return.rs:81:13
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LL | } else {
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| _____________^
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@ -176,7 +176,7 @@ LL + } else {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:85:14
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--> tests/ui/needless_return.rs:89:14
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LL | _ => return,
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| ^^^^^^
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@ -187,7 +187,7 @@ LL | _ => (),
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| ~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:93:24
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--> tests/ui/needless_return.rs:97:24
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LL | let _ = 42;
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| ________________________^
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@ -202,7 +202,7 @@ LL + let _ = 42;
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:96:14
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--> tests/ui/needless_return.rs:100:14
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LL | _ => return,
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| ^^^^^^
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@ -213,7 +213,7 @@ LL | _ => (),
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| ~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:109:9
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--> tests/ui/needless_return.rs:113:9
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LL | return String::from("test");
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -225,7 +225,7 @@ LL + String::from("test")
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:111:9
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--> tests/ui/needless_return.rs:115:9
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LL | return String::new();
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| ^^^^^^^^^^^^^^^^^^^^
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@ -237,7 +237,7 @@ LL + String::new()
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:133:32
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--> tests/ui/needless_return.rs:137:32
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LL | bar.unwrap_or_else(|_| return)
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| ^^^^^^
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@ -248,7 +248,7 @@ LL | bar.unwrap_or_else(|_| {})
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| ~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:137:21
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--> tests/ui/needless_return.rs:141:21
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LL | let _ = || {
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| _____________________^
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@ -263,7 +263,7 @@ LL + let _ = || {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:140:20
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--> tests/ui/needless_return.rs:144:20
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LL | let _ = || return;
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| ^^^^^^
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@ -274,7 +274,7 @@ LL | let _ = || {};
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| ~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:146:32
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--> tests/ui/needless_return.rs:150:32
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LL | res.unwrap_or_else(|_| return Foo)
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| ^^^^^^^^^^
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@ -284,18 +284,6 @@ help: remove `return`
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LL | res.unwrap_or_else(|_| Foo)
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| ~~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:155:5
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LL | return true;
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| ^^^^^^^^^^^
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help: remove `return`
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LL - return true;
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LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:159:5
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@ -309,7 +297,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:164:9
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--> tests/ui/needless_return.rs:163:5
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LL | return true;
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| ^^^^^^^^^^^
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@ -321,7 +309,19 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:166:9
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--> tests/ui/needless_return.rs:168:9
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LL | return true;
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| ^^^^^^^^^^^
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help: remove `return`
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LL - return true;
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LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:170:9
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LL | return false;
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| ^^^^^^^^^^^^
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@ -333,7 +333,7 @@ LL + false
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:172:17
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--> tests/ui/needless_return.rs:176:17
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LL | true => return false,
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| ^^^^^^^^^^^^
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@ -344,7 +344,7 @@ LL | true => false,
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| ~~~~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:174:13
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--> tests/ui/needless_return.rs:178:13
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LL | return true;
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| ^^^^^^^^^^^
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@ -356,7 +356,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:181:9
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--> tests/ui/needless_return.rs:185:9
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LL | return true;
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| ^^^^^^^^^^^
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@ -368,7 +368,7 @@ LL + true
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:183:16
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--> tests/ui/needless_return.rs:187:16
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LL | let _ = || return true;
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| ^^^^^^^^^^^
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@ -379,7 +379,7 @@ LL | let _ = || true;
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| ~~~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:187:5
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--> tests/ui/needless_return.rs:191:5
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LL | return the_answer!();
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| ^^^^^^^^^^^^^^^^^^^^
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@ -391,7 +391,7 @@ LL + the_answer!()
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:190:33
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--> tests/ui/needless_return.rs:194:33
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LL | async fn async_test_void_fun() {
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| _________________________________^
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@ -406,7 +406,7 @@ LL + async fn async_test_void_fun() {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:195:11
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--> tests/ui/needless_return.rs:199:11
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LL | if b {
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| ___________^
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@ -421,7 +421,7 @@ LL + if b {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:197:13
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--> tests/ui/needless_return.rs:201:13
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LL | } else {
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| _____________^
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@ -436,7 +436,7 @@ LL + } else {
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:205:14
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--> tests/ui/needless_return.rs:209:14
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LL | _ => return,
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| ^^^^^^
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@ -447,7 +447,7 @@ LL | _ => (),
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| ~~
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:218:9
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--> tests/ui/needless_return.rs:222:9
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LL | return String::from("test");
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -459,7 +459,7 @@ LL + String::from("test")
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:220:9
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--> tests/ui/needless_return.rs:224:9
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LL | return String::new();
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| ^^^^^^^^^^^^^^^^^^^^
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@ -471,7 +471,7 @@ LL + String::new()
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|
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:236:5
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--> tests/ui/needless_return.rs:240:5
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LL | return format!("Hello {}", "world!");
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -483,7 +483,7 @@ LL + format!("Hello {}", "world!")
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|
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:277:9
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--> tests/ui/needless_return.rs:281:9
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LL | return true;
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| ^^^^^^^^^^^
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@ -497,7 +497,7 @@ LL ~ }
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|
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:279:9
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--> tests/ui/needless_return.rs:283:9
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|
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LL | return false;
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| ^^^^^^^^^^^^
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@ -509,7 +509,7 @@ LL ~ }
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|
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:286:13
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--> tests/ui/needless_return.rs:290:13
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|
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LL | return 10;
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| ^^^^^^^^^
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@ -524,7 +524,7 @@ LL ~ }
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:289:13
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--> tests/ui/needless_return.rs:293:13
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|
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LL | return 100;
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| ^^^^^^^^^^
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@ -537,7 +537,7 @@ LL ~ }
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|
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:297:9
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--> tests/ui/needless_return.rs:301:9
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|
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LL | return 0;
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| ^^^^^^^^
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@ -549,7 +549,7 @@ LL ~ }
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:304:13
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--> tests/ui/needless_return.rs:308:13
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LL | return *(x as *const isize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -564,7 +564,7 @@ LL ~ }
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error: unneeded `return` statement
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--> tests/ui/needless_return.rs:306:13
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--> tests/ui/needless_return.rs:310:13
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LL | return !*(x as *const isize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -577,7 +577,7 @@ LL ~ }
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:313:20
|
||||
--> tests/ui/needless_return.rs:317:20
|
||||
|
|
||||
LL | let _ = 42;
|
||||
| ____________________^
|
||||
|
|
@ -594,7 +594,7 @@ LL + let _ = 42;
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:320:20
|
||||
--> tests/ui/needless_return.rs:324:20
|
||||
|
|
||||
LL | let _ = 42; return;
|
||||
| ^^^^^^^
|
||||
|
|
@ -606,7 +606,7 @@ LL + let _ = 42;
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:332:9
|
||||
--> tests/ui/needless_return.rs:336:9
|
||||
|
|
||||
LL | return Ok(format!("ok!"));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -618,7 +618,7 @@ LL + Ok(format!("ok!"))
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:334:9
|
||||
--> tests/ui/needless_return.rs:338:9
|
||||
|
|
||||
LL | return Err(format!("err!"));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -630,7 +630,7 @@ LL + Err(format!("err!"))
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:340:9
|
||||
--> tests/ui/needless_return.rs:344:9
|
||||
|
|
||||
LL | return if true { 1 } else { 2 };
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -642,7 +642,7 @@ LL + if true { 1 } else { 2 }
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:344:9
|
||||
--> tests/ui/needless_return.rs:348:9
|
||||
|
|
||||
LL | return if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 } else { 5 };
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -654,7 +654,7 @@ LL + (if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 } else
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:365:5
|
||||
--> tests/ui/needless_return.rs:369:5
|
||||
|
|
||||
LL | return { "a".to_string() } + "b" + { "c" };
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -666,7 +666,7 @@ LL + ({ "a".to_string() } + "b" + { "c" })
|
|||
|
|
||||
|
||||
error: unneeded `return` statement
|
||||
--> tests/ui/needless_return.rs:369:5
|
||||
--> tests/ui/needless_return.rs:373:5
|
||||
|
|
||||
LL | return "".split("").next().unwrap().to_string();
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
|
|||
Loading…
Reference in a new issue