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https://github.com/rust-lang/rust.git
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Spruce up the diagnostics of some early lints
This commit is contained in:
León Orell Valerian Liehr
parent
9f2d0b3490
commit
b2949ff911
@ -154,7 +154,7 @@ expand_unsupported_key_value =
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key-value macro attributes are not supported
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expand_var_still_repeating =
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variable '{$ident}' is still repeating at this depth
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variable `{$ident}` is still repeating at this depth
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expand_wrong_fragment_kind =
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non-{$kind} macro in {$kind} position: {$name}
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@ -445,7 +445,8 @@ lint_macro_is_private = macro `{$ident}` is private
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lint_macro_rule_never_used = rule #{$n} of macro `{$name}` is never used
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lint_macro_use_deprecated =
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deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead
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applying the `#[macro_use]` attribute to an `extern crate` item is deprecated
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.help = remove it and import macros at use sites with a `use` item instead
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lint_malformed_attribute = malformed lint attribute input
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@ -456,7 +457,7 @@ lint_map_unit_fn = `Iterator::map` call that discard the iterator's values
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.map_label = after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
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.suggestion = you might have meant to use `Iterator::for_each`
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lint_metavariable_still_repeating = variable '{$name}' is still repeating at this depth
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lint_metavariable_still_repeating = variable `{$name}` is still repeating at this depth
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lint_metavariable_wrong_operator = meta-variable repeats with different Kleene operator
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@ -632,8 +633,8 @@ lint_pattern_in_bodiless = patterns aren't allowed in functions without bodies
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lint_pattern_in_foreign = patterns aren't allowed in foreign function declarations
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.label = pattern not allowed in foreign function
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lint_private_extern_crate_reexport =
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extern crate `{$ident}` is private, and cannot be re-exported, consider declaring with `pub`
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lint_private_extern_crate_reexport = extern crate `{$ident}` is private and cannot be re-exported
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.suggestion = consider making the `extern crate` item publicly accessible
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lint_proc_macro_back_compat = using an old version of `{$crate_name}`
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.note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives
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@ -847,7 +848,8 @@ lint_unused_coroutine =
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}{$post} that must be used
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.note = coroutines are lazy and do nothing unless resumed
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lint_unused_crate_dependency = external crate `{$extern_crate}` unused in `{$local_crate}`: remove the dependency or add `use {$extern_crate} as _;`
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lint_unused_crate_dependency = extern crate `{$extern_crate}` is unused in crate `{$local_crate}`
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.help = remove the dependency or add `use {$extern_crate} as _;` to the crate root
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lint_unused_def = unused {$pre}`{$def}`{$post} that must be used
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.suggestion = use `let _ = ...` to ignore the resulting value
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@ -340,8 +340,9 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: &
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lints::MacroUseDeprecated.decorate_lint(diag);
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}
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BuiltinLintDiag::UnusedMacroUse => lints::UnusedMacroUse.decorate_lint(diag),
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BuiltinLintDiag::PrivateExternCrateReexport(ident) => {
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lints::PrivateExternCrateReexport { ident }.decorate_lint(diag);
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BuiltinLintDiag::PrivateExternCrateReexport { source: ident, extern_crate_span } => {
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lints::PrivateExternCrateReexport { ident, sugg: extern_crate_span.shrink_to_lo() }
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.decorate_lint(diag);
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}
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BuiltinLintDiag::UnusedLabel => lints::UnusedLabel.decorate_lint(diag),
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BuiltinLintDiag::MacroIsPrivate(ident) => {
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@ -2313,6 +2313,7 @@ pub mod unexpected_cfg_value {
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#[derive(LintDiagnostic)]
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#[diag(lint_macro_use_deprecated)]
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#[help]
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pub struct MacroUseDeprecated;
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#[derive(LintDiagnostic)]
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@ -2323,6 +2324,8 @@ pub struct UnusedMacroUse;
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#[diag(lint_private_extern_crate_reexport, code = E0365)]
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pub struct PrivateExternCrateReexport {
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pub ident: Ident,
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#[suggestion(code = "pub ", style = "verbose", applicability = "maybe-incorrect")]
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pub sugg: Span,
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}
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#[derive(LintDiagnostic)]
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@ -2416,6 +2419,7 @@ pub struct UnknownMacroVariable {
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#[derive(LintDiagnostic)]
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#[diag(lint_unused_crate_dependency)]
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#[help]
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pub struct UnusedCrateDependency {
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pub extern_crate: Symbol,
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pub local_crate: Symbol,
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@ -512,8 +512,9 @@ declare_lint! {
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/// This will produce:
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///
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/// ```text
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/// error: external crate `regex` unused in `lint_example`: remove the dependency or add `use regex as _;`
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/// error: extern crate `regex` is unused in crate `lint_example`
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/// |
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/// = help: remove the dependency or add `use regex as _;` to the crate root
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/// note: the lint level is defined here
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/// --> src/lib.rs:1:9
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/// |
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@ -2202,8 +2203,7 @@ declare_lint! {
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}
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declare_lint! {
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/// The `macro_use_extern_crate` lint detects the use of the
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/// [`macro_use` attribute].
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/// The `macro_use_extern_crate` lint detects the use of the [`macro_use` attribute].
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///
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/// ### Example
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///
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@ -2221,12 +2221,13 @@ declare_lint! {
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/// This will produce:
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///
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/// ```text
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/// error: deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead
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/// error: applying the `#[macro_use]` attribute to an `extern crate` item is deprecated
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/// --> src/main.rs:3:1
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/// |
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/// 3 | #[macro_use]
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/// | ^^^^^^^^^^^^
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/// |
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/// = help: remove it and import macros at use sites with a `use` item instead
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/// note: the lint level is defined here
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/// --> src/main.rs:1:9
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/// |
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@ -707,7 +707,10 @@ pub enum BuiltinLintDiag {
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},
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MacroUseDeprecated,
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UnusedMacroUse,
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PrivateExternCrateReexport(Ident),
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PrivateExternCrateReexport {
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source: Ident,
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extern_crate_span: Span,
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},
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UnusedLabel,
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MacroIsPrivate(Ident),
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UnusedMacroDefinition(Symbol),
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@ -259,13 +259,18 @@ struct UnresolvedImportError {
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// Reexports of the form `pub use foo as bar;` where `foo` is `extern crate foo;`
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// are permitted for backward-compatibility under a deprecation lint.
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fn pub_use_of_private_extern_crate_hack(import: Import<'_>, binding: NameBinding<'_>) -> bool {
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fn pub_use_of_private_extern_crate_hack(
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import: Import<'_>,
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binding: NameBinding<'_>,
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) -> Option<NodeId> {
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match (&import.kind, &binding.kind) {
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(ImportKind::Single { .. }, NameBindingKind::Import { import: binding_import, .. }) => {
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matches!(binding_import.kind, ImportKind::ExternCrate { .. })
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&& import.expect_vis().is_public()
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(ImportKind::Single { .. }, NameBindingKind::Import { import: binding_import, .. })
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if let ImportKind::ExternCrate { id, .. } = binding_import.kind
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&& import.expect_vis().is_public() =>
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{
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Some(id)
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}
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_ => false,
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_ => None,
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}
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}
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@ -275,7 +280,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
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pub(crate) fn import(&self, binding: NameBinding<'a>, import: Import<'a>) -> NameBinding<'a> {
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let import_vis = import.expect_vis().to_def_id();
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let vis = if binding.vis.is_at_least(import_vis, self.tcx)
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|| pub_use_of_private_extern_crate_hack(import, binding)
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|| pub_use_of_private_extern_crate_hack(import, binding).is_some()
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{
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import_vis
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} else {
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@ -1253,12 +1258,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
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// All namespaces must be re-exported with extra visibility for an error to occur.
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if !any_successful_reexport {
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let (ns, binding) = reexport_error.unwrap();
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if pub_use_of_private_extern_crate_hack(import, binding) {
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if let Some(extern_crate_id) = pub_use_of_private_extern_crate_hack(import, binding) {
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self.lint_buffer.buffer_lint(
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PUB_USE_OF_PRIVATE_EXTERN_CRATE,
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import_id,
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import.span,
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BuiltinLintDiag::PrivateExternCrateReexport(ident),
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BuiltinLintDiag::PrivateExternCrateReexport {
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source: ident,
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extern_crate_span: self.tcx.source_span(self.local_def_id(extern_crate_id)),
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},
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);
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} else {
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if ns == TypeNS {
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@ -2,5 +2,5 @@
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//@ compile-flags: -Zunstable-options -Dunused-crate-dependencies
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//@ edition:2018
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fn main() { //~ ERROR external crate `somedep` unused in `no_nounused`
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fn main() { //~ ERROR extern crate `somedep` is unused in crate `no_nounused`
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}
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@ -1,9 +1,10 @@
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error: external crate `somedep` unused in `no_nounused`: remove the dependency or add `use somedep as _;`
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error: extern crate `somedep` is unused in crate `no_nounused`
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--> $DIR/no-nounused.rs:5:1
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LL | fn main() {
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| ^
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= help: remove the dependency or add `use somedep as _;` to the crate root
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= note: requested on the command line with `-D unused-crate-dependencies`
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error: aborting due to 1 previous error
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@ -3,7 +3,7 @@
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macro_rules! foo {
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() => {};
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($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* };
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//~^ ERROR variable 'j' is still repeating
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//~^ ERROR variable `j` is still repeating
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}
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macro_rules! bar {
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@ -12,12 +12,12 @@ macro_rules! bar {
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macro_rules! nested {
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() => {};
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($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* };
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//~^ ERROR variable 'j' is still repeating
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//~^ ERROR variable `j` is still repeating
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}
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};
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( $( $i:ident = $($j:ident),+ );* ) => {
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$(macro_rules! $i {
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() => { $j }; //~ ERROR variable 'j' is still repeating
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() => { $j }; //~ ERROR variable `j` is still repeating
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})*
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};
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}
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@ -1,4 +1,4 @@
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error: variable 'j' is still repeating at this depth
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error: variable `j` is still repeating at this depth
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--> $DIR/issue-61053-missing-repetition.rs:5:52
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LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* };
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@ -12,7 +12,7 @@ note: the lint level is defined here
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LL | #![deny(meta_variable_misuse)]
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| ^^^^^^^^^^^^^^^^^^^^
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error: variable 'j' is still repeating at this depth
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error: variable `j` is still repeating at this depth
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--> $DIR/issue-61053-missing-repetition.rs:14:60
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|
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LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* };
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@ -20,7 +20,7 @@ LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* };
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| |
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| expected repetition
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error: variable 'j' is still repeating at this depth
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error: variable `j` is still repeating at this depth
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--> $DIR/issue-61053-missing-repetition.rs:20:21
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|
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LL | ( $( $i:ident = $($j:ident),+ );* ) => {
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@ -35,7 +35,7 @@ macro_rules! no_curly__no_rhs_dollar__no_round {
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#[rustfmt::skip] // autoformatters can break a few of the error traces
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macro_rules! no_curly__rhs_dollar__round {
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( $( $i:ident ),* ) => { count($i) };
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//~^ ERROR variable 'i' is still repeating at this depth
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//~^ ERROR variable `i` is still repeating at this depth
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}
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#[rustfmt::skip] // autoformatters can break a few of the error traces
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@ -208,7 +208,7 @@ error: `count` can not be placed inside the inner-most repetition
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LL | ( $i:ident ) => { ${ count($i) } };
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| ^^^^^^^^^^^^^
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error: variable 'i' is still repeating at this depth
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error: variable `i` is still repeating at this depth
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--> $DIR/syntax-errors.rs:37:36
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|
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LL | ( $( $i:ident ),* ) => { count($i) };
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@ -1,10 +1,10 @@
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error: variable 'v' is still repeating at this depth
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error: variable `v` is still repeating at this depth
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--> $DIR/macro-repeat.rs:3:9
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|
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LL | $v
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| ^^
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error: variable 'v' is still repeating at this depth
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error: variable `v` is still repeating at this depth
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--> $DIR/macro-repeat.rs:3:9
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LL | $v
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@ -1,5 +1,5 @@
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extern crate core;
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pub use core as reexported_core; //~ ERROR `core` is private, and cannot be re-exported
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pub use core as reexported_core; //~ ERROR `core` is private and cannot be re-exported
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//~^ WARN this was previously accepted
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mod foo1 {
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@ -22,7 +22,7 @@ note: the crate import `core` is defined here
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LL | extern crate core;
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| ^^^^^^^^^^^^^^^^^^
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error[E0365]: extern crate `core` is private, and cannot be re-exported, consider declaring with `pub`
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error[E0365]: extern crate `core` is private and cannot be re-exported
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--> $DIR/pub-reexport-priv-extern-crate.rs:2:9
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|
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LL | pub use core as reexported_core;
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@ -31,6 +31,10 @@ LL | pub use core as reexported_core;
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
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= note: `#[deny(pub_use_of_private_extern_crate)]` on by default
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help: consider making the `extern crate` item publicly accessible
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|
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LL | pub extern crate core;
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| +++
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error: aborting due to 3 previous errors
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@ -4,7 +4,7 @@
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#![warn(macro_use_extern_crate, unused)]
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#[macro_use] //~ WARN should be replaced at use sites with a `use` item
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#[macro_use] //~ WARN applying the `#[macro_use]` attribute to an `extern crate` item is deprecated
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extern crate macro_use_warned_against;
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#[macro_use] //~ WARN unused `#[macro_use]`
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extern crate macro_use_warned_against2;
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@ -1,9 +1,10 @@
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warning: deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead
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warning: applying the `#[macro_use]` attribute to an `extern crate` item is deprecated
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--> $DIR/macro-use-warned-against.rs:7:1
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|
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LL | #[macro_use]
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| ^^^^^^^^^^^^
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|
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= help: remove it and import macros at use sites with a `use` item instead
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note: the lint level is defined here
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--> $DIR/macro-use-warned-against.rs:5:9
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|
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@ -4,6 +4,6 @@
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//@ aux-crate:bar=bar.rs
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#![deny(unused_crate_dependencies)]
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//~^ ERROR external crate `bar` unused in
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//~^ ERROR extern crate `bar` is unused in
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fn main() {}
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@ -1,9 +1,10 @@
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error: external crate `bar` unused in `deny_attr`: remove the dependency or add `use bar as _;`
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error: extern crate `bar` is unused in crate `deny_attr`
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--> $DIR/deny-attr.rs:6:1
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|
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LL | #![deny(unused_crate_dependencies)]
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| ^
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|
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= help: remove the dependency or add `use bar as _;` to the crate root
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note: the lint level is defined here
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--> $DIR/deny-attr.rs:6:9
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|
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@ -5,4 +5,4 @@
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//@ aux-crate:bar=bar.rs
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fn main() {}
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//~^ ERROR external crate `bar` unused in
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//~^ ERROR extern crate `bar` is unused in
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@ -1,9 +1,10 @@
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error: external crate `bar` unused in `deny_cmdline`: remove the dependency or add `use bar as _;`
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error: extern crate `bar` is unused in crate `deny_cmdline`
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--> $DIR/deny-cmdline.rs:7:1
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|
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LL | fn main() {}
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| ^
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|
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= help: remove the dependency or add `use bar as _;` to the crate root
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= note: requested on the command line with `-D unused-crate-dependencies`
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error: aborting due to 1 previous error
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@ -5,7 +5,7 @@
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//@ compile-flags:--crate-type lib -Wunused-crate-dependencies
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pub fn fib(n: u32) -> Vec<u32> {
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//~^ WARNING external crate `bar` unused in
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//~^ WARNING extern crate `bar` is unused in
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let mut prev = 0;
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let mut cur = 1;
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let mut v = vec![];
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@ -1,9 +1,10 @@
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warning: external crate `bar` unused in `libfib`: remove the dependency or add `use bar as _;`
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warning: extern crate `bar` is unused in crate `libfib`
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--> $DIR/libfib.rs:7:1
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|
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LL | pub fn fib(n: u32) -> Vec<u32> {
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| ^
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|
|
||||
= help: remove the dependency or add `use bar as _;` to the crate root
|
||||
= note: requested on the command line with `-W unused-crate-dependencies`
|
||||
|
||||
warning: 1 warning emitted
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
//@ aux-crate:barbar=bar.rs
|
||||
|
||||
#![warn(unused_crate_dependencies)]
|
||||
//~^ WARNING external crate `barbar` unused in
|
||||
//~^ WARNING extern crate `barbar` is unused in
|
||||
|
||||
use bar as _;
|
||||
|
||||
|
||||
@ -1,9 +1,10 @@
|
||||
warning: external crate `barbar` unused in `unused_aliases`: remove the dependency or add `use barbar as _;`
|
||||
warning: extern crate `barbar` is unused in crate `unused_aliases`
|
||||
--> $DIR/unused-aliases.rs:8:1
|
||||
|
|
||||
LL | #![warn(unused_crate_dependencies)]
|
||||
| ^
|
||||
|
|
||||
= help: remove the dependency or add `use barbar as _;` to the crate root
|
||||
note: the lint level is defined here
|
||||
--> $DIR/unused-aliases.rs:8:9
|
||||
|
|
||||
|
||||
@ -5,6 +5,6 @@
|
||||
//@ aux-crate:bar=bar.rs
|
||||
|
||||
#![warn(unused_crate_dependencies)]
|
||||
//~^ WARNING external crate `bar` unused in
|
||||
//~^ WARNING extern crate `bar` is unused in
|
||||
|
||||
fn main() {}
|
||||
|
||||
@ -1,9 +1,10 @@
|
||||
warning: external crate `bar` unused in `warn_attr`: remove the dependency or add `use bar as _;`
|
||||
warning: extern crate `bar` is unused in crate `warn_attr`
|
||||
--> $DIR/warn-attr.rs:7:1
|
||||
|
|
||||
LL | #![warn(unused_crate_dependencies)]
|
||||
| ^
|
||||
|
|
||||
= help: remove the dependency or add `use bar as _;` to the crate root
|
||||
note: the lint level is defined here
|
||||
--> $DIR/warn-attr.rs:7:9
|
||||
|
|
||||
|
||||
@ -7,4 +7,4 @@
|
||||
//@ no-prefer-dynamic
|
||||
|
||||
fn main() {}
|
||||
//~^ WARNING external crate `bar` unused in
|
||||
//~^ WARNING extern crate `bar` is unused in
|
||||
|
||||
@ -1,9 +1,10 @@
|
||||
warning: external crate `bar` unused in `warn_cmdline_static`: remove the dependency or add `use bar as _;`
|
||||
warning: extern crate `bar` is unused in crate `warn_cmdline_static`
|
||||
--> $DIR/warn-cmdline-static.rs:9:1
|
||||
|
|
||||
LL | fn main() {}
|
||||
| ^
|
||||
|
|
||||
= help: remove the dependency or add `use bar as _;` to the crate root
|
||||
= note: requested on the command line with `-W unused-crate-dependencies`
|
||||
|
||||
warning: 1 warning emitted
|
||||
|
||||
@ -6,4 +6,4 @@
|
||||
//@ aux-crate:bar=bar.rs
|
||||
|
||||
fn main() {}
|
||||
//~^ WARNING external crate `bar` unused in
|
||||
//~^ WARNING extern crate `bar` is unused in
|
||||
|
||||
@ -1,9 +1,10 @@
|
||||
warning: external crate `bar` unused in `warn_cmdline`: remove the dependency or add `use bar as _;`
|
||||
warning: extern crate `bar` is unused in crate `warn_cmdline`
|
||||
--> $DIR/warn-cmdline.rs:8:1
|
||||
|
|
||||
LL | fn main() {}
|
||||
| ^
|
||||
|
|
||||
= help: remove the dependency or add `use bar as _;` to the crate root
|
||||
= note: requested on the command line with `-W unused-crate-dependencies`
|
||||
|
||||
warning: 1 warning emitted
|
||||
|
||||
Loading…
Reference in New Issue
Block a user