mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 23:24:24 +00:00
[panic_in_result_fn] remove todo!, unimplemented!, unreachable!
This commit fixes #11025 by removing checks for `todo!`, `unimplemented!` and `unreachable!`. Signed-off-by: Panagiotis Foliadis <pfoliadis@hotmail.com>
This commit is contained in:
Panagiotis Foliadis
parent
26edd5a2ab
commit
c49c177e06
3 changed files with 16 additions and 80 deletions
|
|
@ -13,7 +13,7 @@ use rustc_span::{sym, Span};
|
|||
|
||||
declare_clippy_lint! {
|
||||
/// ### What it does
|
||||
/// Checks for usage of `panic!`, `unimplemented!`, `todo!`, `unreachable!` or assertions in a function of type result.
|
||||
/// Checks for usage of `panic!` or assertions in a function of type result.
|
||||
///
|
||||
/// ### Why is this bad?
|
||||
/// For some codebases, it is desirable for functions of type result to return an error instead of crashing. Hence panicking macros should be avoided.
|
||||
|
|
@ -37,7 +37,7 @@ declare_clippy_lint! {
|
|||
#[clippy::version = "1.48.0"]
|
||||
pub PANIC_IN_RESULT_FN,
|
||||
restriction,
|
||||
"functions of type `Result<..>` that contain `panic!()`, `todo!()`, `unreachable()`, `unimplemented()` or assertion"
|
||||
"functions of type `Result<..>` that contain `panic!()` or assertion"
|
||||
}
|
||||
|
||||
declare_lint_pass!(PanicInResultFn => [PANIC_IN_RESULT_FN]);
|
||||
|
|
@ -70,7 +70,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, body: &'tcx hir
|
|||
};
|
||||
if matches!(
|
||||
cx.tcx.item_name(macro_call.def_id).as_str(),
|
||||
"unimplemented" | "unreachable" | "panic" | "todo" | "assert" | "assert_eq" | "assert_ne"
|
||||
"panic" | "assert" | "assert_eq" | "assert_ne"
|
||||
) {
|
||||
panics.push(macro_call.span);
|
||||
ControlFlow::Continue(Descend::No)
|
||||
|
|
@ -83,10 +83,10 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, body: &'tcx hir
|
|||
cx,
|
||||
PANIC_IN_RESULT_FN,
|
||||
impl_span,
|
||||
"used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`",
|
||||
"used `panic!()` or assertion in a function that returns `Result`",
|
||||
move |diag| {
|
||||
diag.help(
|
||||
"`unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing",
|
||||
"`panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing",
|
||||
);
|
||||
diag.span_note(panics, "return Err() instead of panicking");
|
||||
},
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
error: used `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:6:5
|
||||
|
|
||||
LL | / fn result_with_panic() -> Result<bool, String> // should emit lint
|
||||
|
|
@ -7,7 +7,7 @@ LL | | panic!("error");
|
|||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
= help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:8:9
|
||||
|
|
||||
|
|
@ -15,55 +15,7 @@ LL | panic!("error");
|
|||
| ^^^^^^^^^^^^^^^
|
||||
= note: `-D clippy::panic-in-result-fn` implied by `-D warnings`
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:11:5
|
||||
|
|
||||
LL | / fn result_with_unimplemented() -> Result<bool, String> // should emit lint
|
||||
LL | | {
|
||||
LL | | unimplemented!();
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:13:9
|
||||
|
|
||||
LL | unimplemented!();
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:16:5
|
||||
|
|
||||
LL | / fn result_with_unreachable() -> Result<bool, String> // should emit lint
|
||||
LL | | {
|
||||
LL | | unreachable!();
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:18:9
|
||||
|
|
||||
LL | unreachable!();
|
||||
| ^^^^^^^^^^^^^^
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:21:5
|
||||
|
|
||||
LL | / fn result_with_todo() -> Result<bool, String> // should emit lint
|
||||
LL | | {
|
||||
LL | | todo!("Finish this");
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:23:9
|
||||
|
|
||||
LL | todo!("Finish this");
|
||||
| ^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
error: used `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:52:1
|
||||
|
|
||||
LL | / fn function_result_with_panic() -> Result<bool, String> // should emit lint
|
||||
|
|
@ -72,28 +24,12 @@ LL | | panic!("error");
|
|||
LL | | }
|
||||
| |_^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
= help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:54:5
|
||||
|
|
||||
LL | panic!("error");
|
||||
| ^^^^^^^^^^^^^^^
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn.rs:67:1
|
||||
|
|
||||
LL | / fn main() -> Result<(), String> {
|
||||
LL | | todo!("finish main method");
|
||||
LL | | Ok(())
|
||||
LL | | }
|
||||
| |_^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn.rs:68:5
|
||||
|
|
||||
LL | todo!("finish main method");
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to 6 previous errors
|
||||
error: aborting due to 2 previous errors
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
error: used `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:7:5
|
||||
|
|
||||
LL | / fn result_with_assert_with_message(x: i32) -> Result<bool, String> // should emit lint
|
||||
|
|
@ -8,7 +8,7 @@ LL | | Ok(true)
|
|||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
= help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:9:9
|
||||
|
|
||||
|
|
@ -16,7 +16,7 @@ LL | assert!(x == 5, "wrong argument");
|
|||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
= note: `-D clippy::panic-in-result-fn` implied by `-D warnings`
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
error: used `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:13:5
|
||||
|
|
||||
LL | / fn result_with_assert_eq(x: i32) -> Result<bool, String> // should emit lint
|
||||
|
|
@ -26,14 +26,14 @@ LL | | Ok(true)
|
|||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
= help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:15:9
|
||||
|
|
||||
LL | assert_eq!(x, 5);
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
|
||||
error: used `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertion in a function that returns `Result`
|
||||
error: used `panic!()` or assertion in a function that returns `Result`
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:19:5
|
||||
|
|
||||
LL | / fn result_with_assert_ne(x: i32) -> Result<bool, String> // should emit lint
|
||||
|
|
@ -43,7 +43,7 @@ LL | | Ok(true)
|
|||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
= help: `unimplemented!()`, `unreachable!()`, `todo!()`, `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
= help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing
|
||||
note: return Err() instead of panicking
|
||||
--> $DIR/panic_in_result_fn_assertions.rs:21:9
|
||||
|
|
||||
|
|
|
|||
Loading…
Reference in a new issue