diff options
| -rw-r--r-- | compiler/rustc_resolve/messages.ftl | 60 | ||||
| -rw-r--r-- | compiler/rustc_resolve/src/build_reduced_graph.rs | 63 | ||||
| -rw-r--r-- | compiler/rustc_resolve/src/diagnostics.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_resolve/src/errors.rs | 161 |
4 files changed, 235 insertions, 51 deletions
diff --git a/compiler/rustc_resolve/messages.ftl b/compiler/rustc_resolve/messages.ftl index a03bb6acd41..b26cf9aa336 100644 --- a/compiler/rustc_resolve/messages.ftl +++ b/compiler/rustc_resolve/messages.ftl @@ -11,6 +11,8 @@ resolve_added_macro_use = resolve_ancestor_only = visibilities can only be restricted to ancestor modules +resolve_arguments_macro_use_not_allowed = arguments to `macro_use` are not allowed here + resolve_associated_const_with_similar_name_exists = there is an associated constant with a similar name @@ -20,6 +22,10 @@ resolve_associated_fn_with_similar_name_exists = resolve_associated_type_with_similar_name_exists = there is an associated type with a similar name +resolve_attempt_to_define_builtin_macro_twice = + attempted to define built-in macro more than once + .note = previously defined here + resolve_attempt_to_use_non_constant_value_in_constant = attempt to use a non-constant value in a constant @@ -32,6 +38,8 @@ resolve_attempt_to_use_non_constant_value_in_constant_with_suggestion = resolve_attempt_to_use_non_constant_value_in_constant_without_suggestion = this would need to be a `{$suggestion}` +resolve_bad_macro_import = bad macro import + resolve_binding_in_never_pattern = never patterns cannot contain variable bindings .suggestion = use a wildcard `_` instead @@ -100,13 +108,31 @@ resolve_const_param_in_non_trivial_anon_const = resolve_const_param_in_ty_of_const_param = const parameters may not be used in the type of const parameters -resolve_expected_found = +resolve_elided_anonymous_lifetime_report_error = + `&` without an explicit lifetime name cannot be used here + .label = explicit lifetime name needed here + +resolve_elided_anonymous_lifetime_report_error_suggestion = + consider introducing a higher-ranked lifetime here + +resolve_expected_module_found = expected module, found {$res} `{$path_str}` .label = not a module +resolve_explicit_anonymous_lifetime_report_error = + `'_` cannot be used here + .label = `'_` is a reserved lifetime name + resolve_explicit_unsafe_traits = unsafe traits like `{$ident}` should be implemented explicitly +resolve_extern_crate_loading_macro_not_at_crate_root = + an `extern crate` loading macros must be at the crate root + +resolve_extern_crate_self_requires_renaming = + `extern crate self;` requires renaming + .suggestion = rename the `self` crate to be able to import it + resolve_forward_declared_generic_param = generic parameters with a default cannot use forward declared identifiers .label = defaulted generic parameters cannot be forward declared @@ -135,17 +161,20 @@ resolve_generic_params_from_outer_item_static = a `static` is a separate item fr resolve_generic_params_from_outer_item_ty_param = type parameter from outer item - resolve_ident_bound_more_than_once_in_parameter_list = identifier `{$identifier}` is bound more than once in this parameter list .label = used as parameter more than once +resolve_implicit_elided_lifetimes_not_allowed_here = implicit elided lifetime not allowed here + resolve_ident_bound_more_than_once_in_same_pattern = identifier `{$identifier}` is bound more than once in the same pattern .label = used in a pattern more than once resolve_imported_crate = `$crate` may not be imported +resolve_imported_macro_not_found = imported macro not found + resolve_imports_cannot_refer_to = imports cannot refer to {$what} @@ -183,11 +212,22 @@ resolve_lowercase_self = resolve_macro_defined_later = a macro with the same name exists, but it appears later at here +resolve_macro_expanded_extern_crate_cannot_shadow_extern_arguments = + macro-expanded `extern crate` items cannot shadow names passed with `--extern` + resolve_macro_expected_found = expected {$expected}, found {$found} `{$macro_path}` +resolve_macro_extern_deprecated = + `#[macro_escape]` is a deprecated synonym for `#[macro_use]` + .help = try an outer attribute: `#[macro_use]` + resolve_macro_use_extern_crate_self = `#[macro_use]` is not supported on `extern crate self` +resolve_macro_use_name_already_in_use = + `{$name}` is already in scope + .note = macro-expanded `#[macro_use]`s may not shadow existing macros (see RFC 1560) + resolve_method_not_member_of_trait = method `{$method}` is not a member of trait `{$trait_}` .label = not a member of trait `{$trait_}` @@ -217,6 +257,8 @@ resolve_param_in_ty_of_const_param = the type of const parameters must not depend on other generic parameters .label = the type must not depend on the parameter `{$name}` +resolve_pattern_doesnt_bind_name = pattern doesn't bind `{$name}` + resolve_proc_macro_same_crate = can't use a procedural macro from the same crate that defines it .help = you can define integration tests in a directory named `tests` @@ -254,6 +296,9 @@ resolve_self_in_generic_param_default = generic parameters cannot use `Self` in their defaults .label = `Self` in generic parameter default +resolve_static_lifetime_is_reserved = invalid lifetime parameter name: `{$ident}` + .label = 'static is a reserved lifetime name + resolve_tool_module_imported = cannot use a tool module through an import .note = the tool module imported here @@ -284,12 +329,18 @@ resolve_undeclared_label = use of undeclared label `{$name}` .label = undeclared label `{$name}` +resolve_underscore_lifetime_is_reserved = `'_` cannot be used here + .label = `'_` is a reserved lifetime name + resolve_unexpected_res_change_ty_to_const_param_sugg = you might have meant to write a const parameter here resolve_unexpected_res_use_at_op_in_slice_pat_with_range_sugg = if you meant to collect the rest of the slice in `{$ident}`, use the at operator +resolve_unnamed_crate_root_import = + crate root imports need to be explicitly named: `use crate as name;` + resolve_unreachable_label = use of unreachable label `{$name}` .label = unreachable label `{$name}` @@ -312,3 +363,8 @@ resolve_variable_bound_with_different_mode = variable `{$variable_name}` is bound inconsistently across alternatives separated by `|` .label = bound in different ways .first_binding_span = first binding + +resolve_variable_is_not_bound_in_all_patterns = + variable `{$name}` is not bound in all patterns + +resolve_variable_not_in_all_patterns = variable not in all patterns diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 375f20dd809..1b6387acf71 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -19,7 +19,6 @@ use rustc_ast::{self as ast, AssocItem, AssocItemKind, MetaItemKind, StmtKind}; use rustc_ast::{Block, ForeignItem, ForeignItemKind, Impl, Item, ItemKind, NodeId}; use rustc_attr as attr; use rustc_data_structures::sync::Lrc; -use rustc_errors::{codes::*, struct_span_code_err, Applicability}; use rustc_expand::expand::AstFragment; use rustc_hir::def::{self, *}; use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; @@ -529,11 +528,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } if ident.name == kw::Crate { - self.r.dcx().span_err( - ident.span, - "crate root imports need to be explicitly named: \ - `use crate as name;`", - ); + self.r.dcx().emit_err(errors::UnnamedCrateRootImport { span: ident.span }); } let kind = ImportKind::Single { @@ -848,16 +843,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { let expansion = parent_scope.expansion; let (used, module, binding) = if orig_name.is_none() && ident.name == kw::SelfLower { - self.r - .dcx() - .struct_span_err(item.span, "`extern crate self;` requires renaming") - .with_span_suggestion( - item.span, - "rename the `self` crate to be able to import it", - "extern crate self as name;", - Applicability::HasPlaceholders, - ) - .emit(); + self.r.dcx().emit_err(errors::ExternCrateSelfRequiresRenaming { span: sp }); return; } else if orig_name == Some(kw::SelfLower) { Some(self.r.graph_root) @@ -897,9 +883,11 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { if parent == self.r.graph_root { if let Some(entry) = self.r.extern_prelude.get(&ident.normalize_to_macros_2_0()) { if expansion != LocalExpnId::ROOT && orig_name.is_some() && !entry.is_import() { - let msg = "macro-expanded `extern crate` items cannot \ - shadow names passed with `--extern`"; - self.r.dcx().span_err(item.span, msg); + self.r.dcx().emit_err( + errors::MacroExpandedExternCrateCannotShadowExternArguments { + span: item.span, + }, + ); // `return` is intended to discard this binding because it's an // unregistered ambiguity error which would result in a panic // caused by inconsistency `path_res` @@ -1030,10 +1018,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { allow_shadowing: bool, ) { if self.r.macro_use_prelude.insert(name, binding).is_some() && !allow_shadowing { - let msg = format!("`{name}` is already in scope"); - let note = - "macro-expanded `#[macro_use]`s may not shadow existing macros (see RFC 1560)"; - self.r.dcx().struct_span_err(span, msg).with_note(note).emit(); + self.r.dcx().emit_err(errors::MacroUseNameAlreadyInUse { span, name }); } } @@ -1044,13 +1029,9 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { for attr in &item.attrs { if attr.has_name(sym::macro_use) { if self.parent_scope.module.parent.is_some() { - struct_span_code_err!( - self.r.dcx(), - item.span, - E0468, - "an `extern crate` loading macros must be at the crate root" - ) - .emit(); + self.r.dcx().emit_err(errors::ExternCrateLoadingMacroNotAtCrateRoot { + span: item.span, + }); } if let ItemKind::ExternCrate(Some(orig_name)) = item.kind { if orig_name == kw::SelfLower { @@ -1058,7 +1039,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } } let ill_formed = |span| { - struct_span_code_err!(self.r.dcx(), span, E0466, "bad macro import").emit(); + self.r.dcx().emit_err(errors::BadMacroImport { span }); }; match attr.meta() { Some(meta) => match meta.kind { @@ -1143,13 +1124,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { allow_shadowing, ); } else { - struct_span_code_err!( - self.r.dcx(), - ident.span, - E0469, - "imported macro not found" - ) - .emit(); + self.r.dcx().emit_err(errors::ImportedMacroNotFound { span: ident.span }); } } } @@ -1160,18 +1135,16 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { fn contains_macro_use(&mut self, attrs: &[ast::Attribute]) -> bool { for attr in attrs { if attr.has_name(sym::macro_escape) { - let msg = "`#[macro_escape]` is a deprecated synonym for `#[macro_use]`"; - let mut err = self.r.dcx().struct_span_warn(attr.span, msg); - if let ast::AttrStyle::Inner = attr.style { - err.help("try an outer attribute: `#[macro_use]`"); - } - err.emit(); + let inner_attribute = matches!(attr.style, ast::AttrStyle::Inner).then_some(()); + self.r + .dcx() + .emit_warn(errors::MacroExternDeprecated { span: attr.span, inner_attribute }); } else if !attr.has_name(sym::macro_use) { continue; } if !attr.is_word() { - self.r.dcx().span_err(attr.span, "arguments to `macro_use` are not allowed here"); + self.r.dcx().emit_err(errors::ArgumentsMacroUseNotAllowed { span: attr.span }); } return true; } diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 4057bc9ffbd..1a14558468d 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -1005,7 +1005,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ResolutionError::FailedToResolve { segment: None, label, suggestion, module: None }, ), VisResolutionError::ExpectedFound(span, path_str, res) => { - self.dcx().create_err(errs::ExpectedFound { span, res, path_str }) + self.dcx().create_err(errs::ExpectedModuleFound { span, res, path_str }) } VisResolutionError::Indeterminate(span) => { self.dcx().create_err(errs::Indeterminate(span)) diff --git a/compiler/rustc_resolve/src/errors.rs b/compiler/rustc_resolve/src/errors.rs index 5eee6a51fd2..665abc2b067 100644 --- a/compiler/rustc_resolve/src/errors.rs +++ b/compiler/rustc_resolve/src/errors.rs @@ -1,4 +1,5 @@ -use rustc_errors::{codes::*, Applicability}; +#![allow(dead_code)] // TODO : non +use rustc_errors::{codes::*, Applicability, MultiSpan}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{ symbol::{Ident, Symbol}, @@ -495,8 +496,8 @@ pub(crate) struct Relative2018 { pub(crate) struct AncestorOnly(#[primary_span] pub(crate) Span); #[derive(Diagnostic)] -#[diag(resolve_expected_found, code = E0577)] -pub(crate) struct ExpectedFound { +#[diag(resolve_expected_module_found, code = E0577)] +pub(crate) struct ExpectedModuleFound { #[primary_span] #[label] pub(crate) span: Span, @@ -801,3 +802,157 @@ pub(crate) struct UnexpectedResUseAtOpInSlicePatWithRangeSugg { pub ident: Ident, pub snippet: String, } + +#[derive(Diagnostic)] +#[diag(resolve_extern_crate_loading_macro_not_at_crate_root, code = E0468)] +pub(crate) struct ExternCrateLoadingMacroNotAtCrateRoot { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_bad_macro_import, code = E0466)] +pub(crate) struct BadMacroImport { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_extern_crate_self_requires_renaming)] +pub(crate) struct ExternCrateSelfRequiresRenaming { + #[primary_span] + #[suggestion(code = "extern crate self as name;", applicability = "has-placeholders")] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_macro_use_name_already_in_use)] +#[note] +pub(crate) struct MacroUseNameAlreadyInUse { + #[primary_span] + pub(crate) span: Span, + pub(crate) name: Symbol, +} + +#[derive(Diagnostic)] +#[diag(resolve_imported_macro_not_found, code = E0469)] +pub(crate) struct ImportedMacroNotFound { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_macro_extern_deprecated)] +pub(crate) struct MacroExternDeprecated { + #[primary_span] + pub(crate) span: Span, + #[help] + pub inner_attribute: Option<()>, +} + +#[derive(Diagnostic)] +#[diag(resolve_arguments_macro_use_not_allowed)] +pub(crate) struct ArgumentsMacroUseNotAllowed { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_unnamed_crate_root_import)] +pub(crate) struct UnnamedCrateRootImport { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_macro_expanded_extern_crate_cannot_shadow_extern_arguments)] +pub(crate) struct MacroExpandedExternCrateCannotShadowExternArguments { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_elided_anonymous_lifetime_report_error, code = E0637)] +pub(crate) struct ElidedAnonymousLivetimeReportError { + #[primary_span] + #[label] + pub(crate) span: Span, + #[subdiagnostic] + pub(crate) suggestion: Option<ElidedAnonymousLivetimeReportErrorSuggestion>, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion( + resolve_elided_anonymous_lifetime_report_error_suggestion, + applicability = "machine-applicable" +)] +pub(crate) struct ElidedAnonymousLivetimeReportErrorSuggestion { + #[suggestion_part(code = "for<'a> ")] + pub(crate) lo: Span, + #[suggestion_part(code = "'a ")] + pub(crate) hi: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_explicit_anonymous_lifetime_report_error, code = E0637)] +pub(crate) struct ExplicitAnonymousLivetimeReportError { + #[primary_span] + #[label] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_implicit_elided_lifetimes_not_allowed_here, code = E0726)] +pub(crate) struct ImplicitElidedLifetimeNotAllowedHere { + #[primary_span] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_underscore_lifetime_is_reserved, code = E0637)] +pub(crate) struct UnderscoreLifetimeIsReserved { + #[primary_span] + #[label] + pub(crate) span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_static_lifetime_is_reserved, code = E0262)] +pub(crate) struct StaticLifetimeIsReserved { + #[primary_span] + #[label] + pub(crate) span: Span, + pub(crate) lifetime: Ident, +} + +#[derive(Diagnostic)] +#[diag(resolve_attempt_to_define_builtin_macro_twice, code = E0773)] +pub(crate) struct AttemptToDefineBuiltinMacroTwice { + #[primary_span] + pub(crate) span: Span, + #[note] + pub(crate) note_span: Span, +} + +#[derive(Diagnostic)] +#[diag(resolve_variable_is_not_bound_in_all_patterns, code = E0408)] +pub(crate) struct VariableIsNotBoundInAllPatterns { + #[primary_span] + pub(crate) multispan: MultiSpan, + pub(crate) name: Symbol, +} + +#[derive(Subdiagnostic, Debug, Clone)] +#[label(resolve_pattern_doesnt_bind_name)] +pub(crate) struct PatternDoesntBindName { + #[primary_span] + pub(crate) span: Span, + pub(crate) name: Symbol, +} + +#[derive(Subdiagnostic, Debug, Clone)] +#[label(resolve_variable_not_in_all_patterns)] +pub(crate) struct VariableNotInAllPatterns { + #[primary_span] + pub(crate) span: Span, +} \ No newline at end of file |