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Fix handling of panic calls

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This should make Clippy more resilient and will unblock #78343.

This PR is made against rust-lang/rust to avoid the need for a subtree
sync at @flip1995's suggestion in rust-lang/rust-clippy#6310.
This commit is contained in:
Camelid 2020-11-17 12:16:15 -08:00
parent 27a15721c5
commit 4e4c4fb8aa
9 changed files with 106 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

11
tests/ui/panicking_macros.rs
View file

@ -1,6 +1,8 @@
#![warn(clippy::unimplemented, clippy::unreachable, clippy::todo, clippy::panic)]
#![allow(clippy::assertions_on_constants)]
extern crate core;
fn panic() {
let a = 2;
panic!();
@ -33,9 +35,18 @@ fn unreachable() {
let b = a + 2;
}
fn core_versions() {
use core::{panic, todo, unimplemented, unreachable};
panic!();
todo!();
unimplemented!();
unreachable!();
}
fn main() {
panic();
todo();
unimplemented();
unreachable();
core_versions();
}

50
tests/ui/panicking_macros.stderr
View file

@ -1,5 +1,5 @@
error: `panic` should not be present in production code
--> $DIR/panicking_macros.rs:6:5
--> $DIR/panicking_macros.rs:8:5
|
LL | panic!();
| ^^^^^^^^^
@ -7,7 +7,7 @@ LL | panic!();
= note: `-D clippy::panic` implied by `-D warnings`
error: `panic` should not be present in production code
--> $DIR/panicking_macros.rs:7:5
--> $DIR/panicking_macros.rs:9:5
|
LL | panic!("message");
| ^^^^^^^^^^^^^^^^^^
@ -15,7 +15,7 @@ LL | panic!("message");
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: `panic` should not be present in production code
--> $DIR/panicking_macros.rs:8:5
--> $DIR/panicking_macros.rs:10:5
|
LL | panic!("{} {}", "panic with", "multiple arguments");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -23,7 +23,7 @@ LL | panic!("{} {}", "panic with", "multiple arguments");
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: `todo` should not be present in production code
--> $DIR/panicking_macros.rs:14:5
--> $DIR/panicking_macros.rs:16:5
|
LL | todo!();
| ^^^^^^^^
@ -31,19 +31,19 @@ LL | todo!();
= note: `-D clippy::todo` implied by `-D warnings`
error: `todo` should not be present in production code
--> $DIR/panicking_macros.rs:15:5
--> $DIR/panicking_macros.rs:17:5
|
LL | todo!("message");
| ^^^^^^^^^^^^^^^^^
error: `todo` should not be present in production code
--> $DIR/panicking_macros.rs:16:5
--> $DIR/panicking_macros.rs:18:5
|
LL | todo!("{} {}", "panic with", "multiple arguments");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `unimplemented` should not be present in production code
--> $DIR/panicking_macros.rs:22:5
--> $DIR/panicking_macros.rs:24:5
|
LL | unimplemented!();
| ^^^^^^^^^^^^^^^^^
@ -51,19 +51,19 @@ LL | unimplemented!();
= note: `-D clippy::unimplemented` implied by `-D warnings`
error: `unimplemented` should not be present in production code
--> $DIR/panicking_macros.rs:23:5
--> $DIR/panicking_macros.rs:25:5
|
LL | unimplemented!("message");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `unimplemented` should not be present in production code
--> $DIR/panicking_macros.rs:24:5
--> $DIR/panicking_macros.rs:26:5
|
LL | unimplemented!("{} {}", "panic with", "multiple arguments");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `unreachable` should not be present in production code
--> $DIR/panicking_macros.rs:30:5
--> $DIR/panicking_macros.rs:32:5
|
LL | unreachable!();
| ^^^^^^^^^^^^^^^
@ -71,7 +71,7 @@ LL | unreachable!();
= note: `-D clippy::unreachable` implied by `-D warnings`
error: `unreachable` should not be present in production code
--> $DIR/panicking_macros.rs:31:5
--> $DIR/panicking_macros.rs:33:5
|
LL | unreachable!("message");
| ^^^^^^^^^^^^^^^^^^^^^^^^
@ -79,10 +79,34 @@ LL | unreachable!("message");
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: `unreachable` should not be present in production code
--> $DIR/panicking_macros.rs:32:5
--> $DIR/panicking_macros.rs:34:5
|
LL | unreachable!("{} {}", "panic with", "multiple arguments");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 12 previous errors
error: `panic` should not be present in production code
--> $DIR/panicking_macros.rs:40:5
|
LL | panic!();
| ^^^^^^^^^
error: `todo` should not be present in production code
--> $DIR/panicking_macros.rs:41:5
|
LL | todo!();
| ^^^^^^^^
error: `unimplemented` should not be present in production code
--> $DIR/panicking_macros.rs:42:5
|
LL | unimplemented!();
| ^^^^^^^^^^^^^^^^^
error: `unreachable` should not be present in production code
--> $DIR/panicking_macros.rs:43:5
|
LL | unreachable!();
| ^^^^^^^^^^^^^^^
error: aborting due to 16 previous errors