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Rollup merge of #122293 - Enselic:no-bare-unix_sigpipe, r=fmease

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diagnostics: Do not suggest using `#[unix_sigpipe]` without a value

Remove `Word` from the `unix_sigpipe` attribute template so that plain `#[unix_sigpipe]` is not included in suggestions of valid forms of the attribute. Also re-arrange diagnostics code slightly to avoid duplicate diagnostics.

Tracking issue is https://github.com/rust-lang/rust/issues/97889.
This commit is contained in:
Matthias Krüger 2024-03-10 22:16:44 +01:00 committed by GitHub
commit c4b159c4a0
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5 changed files with 9 additions and 16 deletions
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2
compiler/rustc_feature/src/builtin_attrs.rs
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@ -389,7 +389,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
),
// Entry point:
gated!(unix_sigpipe, Normal, template!(Word, NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
gated!(unix_sigpipe, Normal, template!(NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
ungated!(start, Normal, template!(Word), WarnFollowing, @only_local: true),
ungated!(no_start, CrateLevel, template!(Word), WarnFollowing, @only_local: true),
ungated!(no_main, CrateLevel, template!(Word), WarnFollowing, @only_local: true),

8
compiler/rustc_passes/src/entry.rs
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@ -156,13 +156,13 @@ fn sigpipe(tcx: TyCtxt<'_>, def_id: DefId) -> u8 {
(Some(sym::inherit), None) => sigpipe::INHERIT,
(Some(sym::sig_ign), None) => sigpipe::SIG_IGN,
(Some(sym::sig_dfl), None) => sigpipe::SIG_DFL,
(_, Some(_)) => {
// Keep going so that `fn emit_malformed_attribute()` can print
// an excellent error message
(Some(_), None) => {
tcx.dcx().emit_err(UnixSigpipeValues { span: attr.span });
sigpipe::DEFAULT
}
_ => {
tcx.dcx().emit_err(UnixSigpipeValues { span: attr.span });
// Keep going so that `fn emit_malformed_attribute()` can print
// an excellent error message
sigpipe::DEFAULT
}
}

2
tests/ui/attributes/unix_sigpipe/unix_sigpipe-bare.rs
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@ -1,4 +1,4 @@
#![feature(unix_sigpipe)]
#[unix_sigpipe] //~ error: valid values for `#[unix_sigpipe = "..."]` are `inherit`, `sig_ign`, or `sig_dfl`
#[unix_sigpipe] //~ error: malformed `unix_sigpipe` attribute input
fn main() {}

4
tests/ui/attributes/unix_sigpipe/unix_sigpipe-bare.stderr
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@ -1,8 +1,8 @@
error: valid values for `#[unix_sigpipe = "..."]` are `inherit`, `sig_ign`, or `sig_dfl`
error: malformed `unix_sigpipe` attribute input
--> $DIR/unix_sigpipe-bare.rs:3:1
|
LL | #[unix_sigpipe]
| ^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^ help: must be of the form: `#[unix_sigpipe = "inherit|sig_ign|sig_dfl"]`
error: aborting due to 1 previous error

9
tests/ui/attributes/unix_sigpipe/unix_sigpipe-list.stderr
View File

@ -2,14 +2,7 @@ error: malformed `unix_sigpipe` attribute input
--> $DIR/unix_sigpipe-list.rs:3:1
|
LL | #[unix_sigpipe(inherit)]
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
help: the following are the possible correct uses
|
LL | #[unix_sigpipe = "inherit|sig_ign|sig_dfl"]
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
LL | #[unix_sigpipe]
| ~~~~~~~~~~~~~~~
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[unix_sigpipe = "inherit|sig_ign|sig_dfl"]`
error: aborting due to 1 previous error