diff options
18 files changed, 71 insertions, 21 deletions
diff --git a/compiler/rustc_expand/messages.ftl b/compiler/rustc_expand/messages.ftl index f26c7c1ba0b..08b7a362083 100644 --- a/compiler/rustc_expand/messages.ftl +++ b/compiler/rustc_expand/messages.ftl @@ -62,6 +62,7 @@ expand_feature_not_allowed = expand_feature_removed = feature has been removed .label = feature has been removed + .note = removed in {$removed_rustc_version} (you are using {$current_rustc_version}){$pull_note} .reason = {$reason} expand_glob_delegation_outside_impls = diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index c50ab5959e2..9a359e9b031 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -80,9 +80,20 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) - // If the enabled feature has been removed, issue an error. if let Some(f) = REMOVED_LANG_FEATURES.iter().find(|f| name == f.feature.name) { + let pull_note = if let Some(pull) = f.pull { + format!( + "; see <https://github.com/rust-lang/rust/pull/{}> for more information", + pull + ) + } else { + "".to_owned() + }; sess.dcx().emit_err(FeatureRemoved { span: mi.span(), reason: f.reason.map(|reason| FeatureRemovedReason { reason }), + removed_rustc_version: f.feature.since, + current_rustc_version: sess.cfg_version, + pull_note, }); continue; } diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs index 89bdc7b6dfa..ec0af67c046 100644 --- a/compiler/rustc_expand/src/errors.rs +++ b/compiler/rustc_expand/src/errors.rs @@ -154,12 +154,16 @@ pub(crate) struct HelperAttributeNameInvalid { #[derive(Diagnostic)] #[diag(expand_feature_removed, code = E0557)] +#[note] pub(crate) struct FeatureRemoved<'a> { #[primary_span] #[label] pub span: Span, #[subdiagnostic] pub reason: Option<FeatureRemovedReason<'a>>, + pub removed_rustc_version: &'a str, + pub current_rustc_version: &'a str, + pub pull_note: String, } #[derive(Subdiagnostic)] diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index 013e1d5d0fa..3aa363674a9 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -1,5 +1,7 @@ //! List of the removed feature gates. +use std::num::{NonZero, NonZeroU32}; + use rustc_span::sym; use super::{Feature, to_nonzero}; @@ -7,11 +9,21 @@ use super::{Feature, to_nonzero}; pub struct RemovedFeature { pub feature: Feature, pub reason: Option<&'static str>, + pub pull: Option<NonZero<u32>>, +} + +macro_rules! opt_nonzero_u32 { + () => { + None + }; + ($val:expr) => { + Some(NonZeroU32::new($val).unwrap()) + }; } macro_rules! declare_features { ($( - $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, $reason:expr), + $(#[doc = $doc:tt])* (removed, $feature:ident, $ver:expr, $issue:expr, $reason:expr $(, $pull:expr)?), )+) => { /// Formerly unstable features that have now been removed. pub static REMOVED_LANG_FEATURES: &[RemovedFeature] = &[ @@ -21,7 +33,8 @@ macro_rules! declare_features { since: $ver, issue: to_nonzero($issue), }, - reason: $reason + reason: $reason, + pull: opt_nonzero_u32!($($pull)?), }),+ ]; }; @@ -120,7 +133,7 @@ declare_features! ( Some("subsumed by `::foo::bar` paths")), /// Allows `#[doc(include = "some-file")]`. (removed, external_doc, "1.54.0", Some(44732), - Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")), + Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations"), 85457), /// Allows using `#[ffi_returns_twice]` on foreign functions. (removed, ffi_returns_twice, "1.78.0", Some(58314), Some("being investigated by the ffi-unwind project group")), diff --git a/tests/ui/deprecation/deprecated_no_stack_check.rs b/tests/ui/deprecation/deprecated_no_stack_check.rs index 8e1f5bbf045..ef482098634 100644 --- a/tests/ui/deprecation/deprecated_no_stack_check.rs +++ b/tests/ui/deprecation/deprecated_no_stack_check.rs @@ -1,3 +1,5 @@ +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" + #![deny(warnings)] #![feature(no_stack_check)] //~^ ERROR: feature has been removed [E0557] diff --git a/tests/ui/deprecation/deprecated_no_stack_check.stderr b/tests/ui/deprecation/deprecated_no_stack_check.stderr index d78ca20f10b..be15d6bea07 100644 --- a/tests/ui/deprecation/deprecated_no_stack_check.stderr +++ b/tests/ui/deprecation/deprecated_no_stack_check.stderr @@ -1,8 +1,10 @@ error[E0557]: feature has been removed - --> $DIR/deprecated_no_stack_check.rs:2:12 + --> $DIR/deprecated_no_stack_check.rs:4:12 | LL | #![feature(no_stack_check)] | ^^^^^^^^^^^^^^ feature has been removed + | + = note: removed in 1.0.0 (you are using $RUSTC_VERSION) error: aborting due to 1 previous error diff --git a/tests/ui/feature-gates/feature-gate-coverage-attribute.rs b/tests/ui/feature-gates/feature-gate-coverage-attribute.rs index 0a463755f13..2cf4b76180e 100644 --- a/tests/ui/feature-gates/feature-gate-coverage-attribute.rs +++ b/tests/ui/feature-gates/feature-gate-coverage-attribute.rs @@ -1,3 +1,5 @@ +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" + #![crate_type = "lib"] #![feature(no_coverage)] //~ ERROR feature has been removed [E0557] diff --git a/tests/ui/feature-gates/feature-gate-coverage-attribute.stderr b/tests/ui/feature-gates/feature-gate-coverage-attribute.stderr index 00e0f0afbde..d8196242b54 100644 --- a/tests/ui/feature-gates/feature-gate-coverage-attribute.stderr +++ b/tests/ui/feature-gates/feature-gate-coverage-attribute.stderr @@ -1,13 +1,14 @@ error[E0557]: feature has been removed - --> $DIR/feature-gate-coverage-attribute.rs:2:12 + --> $DIR/feature-gate-coverage-attribute.rs:4:12 | LL | #![feature(no_coverage)] | ^^^^^^^^^^^ feature has been removed | + = note: removed in 1.74.0 (you are using $RUSTC_VERSION) = note: renamed to `coverage_attribute` error[E0658]: the `#[coverage]` attribute is an experimental feature - --> $DIR/feature-gate-coverage-attribute.rs:10:1 + --> $DIR/feature-gate-coverage-attribute.rs:12:1 | LL | #[coverage(off)] | ^^^^^^^^^^^^^^^^ diff --git a/tests/ui/feature-gates/gated-bad-feature.rs b/tests/ui/feature-gates/gated-bad-feature.rs index 51f2db5556e..3114f661dc5 100644 --- a/tests/ui/feature-gates/gated-bad-feature.rs +++ b/tests/ui/feature-gates/gated-bad-feature.rs @@ -1,3 +1,4 @@ +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)] //~^ ERROR malformed `feature` //~| ERROR malformed `feature` diff --git a/tests/ui/feature-gates/gated-bad-feature.stderr b/tests/ui/feature-gates/gated-bad-feature.stderr index 2d01bdf3c1d..0e75dff14f8 100644 --- a/tests/ui/feature-gates/gated-bad-feature.stderr +++ b/tests/ui/feature-gates/gated-bad-feature.stderr @@ -1,41 +1,43 @@ error[E0556]: malformed `feature` attribute input - --> $DIR/gated-bad-feature.rs:1:25 + --> $DIR/gated-bad-feature.rs:2:25 | LL | #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)] | ^^^^^^^^ help: expected just one word: `foo` error[E0556]: malformed `feature` attribute input - --> $DIR/gated-bad-feature.rs:1:35 + --> $DIR/gated-bad-feature.rs:2:35 | LL | #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)] | ^^^^^^^^^^^ help: expected just one word: `foo` error[E0557]: feature has been removed - --> $DIR/gated-bad-feature.rs:8:12 + --> $DIR/gated-bad-feature.rs:9:12 | LL | #![feature(test_removed_feature)] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed + | + = note: removed in 1.0.0 (you are using $RUSTC_VERSION) error: malformed `feature` attribute input - --> $DIR/gated-bad-feature.rs:6:1 + --> $DIR/gated-bad-feature.rs:7:1 | LL | #![feature] | ^^^^^^^^^^^ help: must be of the form: `#![feature(name1, name2, ...)]` error: malformed `feature` attribute input - --> $DIR/gated-bad-feature.rs:7:1 + --> $DIR/gated-bad-feature.rs:8:1 | LL | #![feature = "foo"] | ^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![feature(name1, name2, ...)]` error[E0635]: unknown feature `foo_bar_baz` - --> $DIR/gated-bad-feature.rs:1:12 + --> $DIR/gated-bad-feature.rs:2:12 | LL | #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)] | ^^^^^^^^^^^ error[E0635]: unknown feature `foo` - --> $DIR/gated-bad-feature.rs:1:48 + --> $DIR/gated-bad-feature.rs:2:48 | LL | #![feature(foo_bar_baz, foo(bar), foo = "baz", foo)] | ^^^ diff --git a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs index d8c5f48f9fd..ec6adb471ba 100644 --- a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs +++ b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs @@ -1,3 +1,5 @@ +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" + #![feature(external_doc)] //~ ERROR feature has been removed #![doc(include("README.md"))] //~ ERROR unknown `doc` attribute `include` diff --git a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.stderr b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.stderr index 3614e226c88..43205c7360b 100644 --- a/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.stderr +++ b/tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.stderr @@ -1,13 +1,14 @@ error[E0557]: feature has been removed - --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:1:12 + --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:3:12 | LL | #![feature(external_doc)] | ^^^^^^^^^^^^ feature has been removed | + = note: removed in 1.54.0 (you are using $RUSTC_VERSION); see <https://github.com/rust-lang/rust/pull/85457> for more information = note: use #[doc = include_str!("filename")] instead, which handles macro invocations error: unknown `doc` attribute `include` - --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:2:8 + --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:4:8 | LL | #![doc(include("README.md"))] | ^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/macros/macro-reexport-removed.rs b/tests/ui/macros/macro-reexport-removed.rs index 4a054686d77..c1267f14cd8 100644 --- a/tests/ui/macros/macro-reexport-removed.rs +++ b/tests/ui/macros/macro-reexport-removed.rs @@ -1,4 +1,5 @@ //@ aux-build:two_macros.rs +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" #![feature(macro_reexport)] //~ ERROR feature has been removed diff --git a/tests/ui/macros/macro-reexport-removed.stderr b/tests/ui/macros/macro-reexport-removed.stderr index 475a586ddc0..3c6f011e39b 100644 --- a/tests/ui/macros/macro-reexport-removed.stderr +++ b/tests/ui/macros/macro-reexport-removed.stderr @@ -1,13 +1,14 @@ error[E0557]: feature has been removed - --> $DIR/macro-reexport-removed.rs:3:12 + --> $DIR/macro-reexport-removed.rs:4:12 | LL | #![feature(macro_reexport)] | ^^^^^^^^^^^^^^ feature has been removed | + = note: removed in 1.0.0 (you are using $RUSTC_VERSION) = note: subsumed by `pub use` error: cannot find attribute `macro_reexport` in this scope - --> $DIR/macro-reexport-removed.rs:5:3 + --> $DIR/macro-reexport-removed.rs:6:3 | LL | #[macro_reexport(macro_one)] | ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export` diff --git a/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs b/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs index 739c624d0c6..2257130280d 100644 --- a/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs +++ b/tests/ui/rustdoc/renamed-features-rustdoc_internals.rs @@ -1,3 +1,5 @@ +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" + #![feature(doc_keyword)] //~ ERROR #![feature(doc_primitive)] //~ ERROR #![crate_type = "lib"] diff --git a/tests/ui/rustdoc/renamed-features-rustdoc_internals.stderr b/tests/ui/rustdoc/renamed-features-rustdoc_internals.stderr index d0979ce97ac..d55825c8d79 100644 --- a/tests/ui/rustdoc/renamed-features-rustdoc_internals.stderr +++ b/tests/ui/rustdoc/renamed-features-rustdoc_internals.stderr @@ -1,17 +1,19 @@ error[E0557]: feature has been removed - --> $DIR/renamed-features-rustdoc_internals.rs:1:12 + --> $DIR/renamed-features-rustdoc_internals.rs:3:12 | LL | #![feature(doc_keyword)] | ^^^^^^^^^^^ feature has been removed | + = note: removed in 1.28.0 (you are using $RUSTC_VERSION) = note: merged into `#![feature(rustdoc_internals)]` error[E0557]: feature has been removed - --> $DIR/renamed-features-rustdoc_internals.rs:2:12 + --> $DIR/renamed-features-rustdoc_internals.rs:4:12 | LL | #![feature(doc_primitive)] | ^^^^^^^^^^^^^ feature has been removed | + = note: removed in 1.56.0 (you are using $RUSTC_VERSION) = note: merged into `#![feature(rustdoc_internals)]` error: aborting due to 2 previous errors diff --git a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs index f90ff91aff4..b563b78f78a 100644 --- a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs +++ b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.rs @@ -6,6 +6,7 @@ // Regression test for issue #125877. //@ compile-flags: -Znext-solver +//@ normalize-stderr: "you are using [0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?( \([^)]*\))?" -> "you are using $$RUSTC_VERSION" #![feature(const_trait_impl, effects)] //~^ ERROR feature has been removed diff --git a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.stderr b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.stderr index d45c4cba1f8..70d0a475820 100644 --- a/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.stderr +++ b/tests/ui/traits/const-traits/const-trait-impl-parameter-mismatch.stderr @@ -1,13 +1,14 @@ error[E0557]: feature has been removed - --> $DIR/const-trait-impl-parameter-mismatch.rs:10:30 + --> $DIR/const-trait-impl-parameter-mismatch.rs:11:30 | LL | #![feature(const_trait_impl, effects)] | ^^^^^^^ feature has been removed | + = note: removed in 1.84.0 (you are using $RUSTC_VERSION) = note: removed, redundant with `#![feature(const_trait_impl)]` error[E0049]: associated function `compute` has 0 type parameters but its trait declaration has 1 type parameter - --> $DIR/const-trait-impl-parameter-mismatch.rs:19:16 + --> $DIR/const-trait-impl-parameter-mismatch.rs:20:16 | LL | fn compute<T: ~const Aux>() -> u32; | - expected 1 type parameter |
