Rollup merge of rust-lang#101162 - rajputrajat:master, r=davidtwco

Migrate rustc_resolve to use SessionDiagnostic, part # 1

crate a somewhat on larger size, so plz allow some time to get it finished.

Cargo.lock

@@ -4047,6 +4047,7 @@ dependencies = [
  "rustc_feature",
  "rustc_hir",
  "rustc_index",
+ "rustc_macros",
  "rustc_metadata",
  "rustc_middle",
  "rustc_query_system",

compiler/rustc_error_messages/locales/en-US/resolve.ftl

@@ -0,0 +1,211 @@
+resolve_parent_module_reset_for_binding =
+    parent module is reset for binding
+
+resolve_ampersand_used_without_explicit_lifetime_name =
+    `&` without an explicit lifetime name cannot be used here
+    .note = explicit lifetime name needed here
+
+resolve_underscore_lifetime_name_cannot_be_used_here =
+    `'_` cannot be used here
+    .note = `'_` is a reserved lifetime name
+
+resolve_crate_may_not_be_imported =
+    `$crate` may not be imported
+
+resolve_crate_root_imports_must_be_named_explicitly =
+    crate root imports need to be explicitly named: `use crate as name;`
+
+resolve_generic_params_from_outer_function =
+    can't use generic parameters from outer function
+    .label = use of generic parameter from outer function
+    .suggestion = try using a local generic parameter instead
+
+resolve_self_type_implicitly_declared_by_impl =
+    `Self` type implicitly declared here, by this `impl`
+
+resolve_cannot_use_self_type_here =
+    can't use `Self` here
+
+resolve_use_a_type_here_instead =
+    use a type here instead
+
+resolve_type_param_from_outer_fn =
+    type parameter from outer function
+
+resolve_const_param_from_outer_fn =
+    const parameter from outer function
+
+resolve_try_using_local_generic_parameter =
+    try using a local generic parameter instead
+
+resolve_try_adding_local_generic_param_on_method =
+    try adding a local generic parameter in this method instead
+
+resolve_help_try_using_local_generic_param =
+    try using a local generic paramter instead
+
+resolve_name_is_already_used_as_generic_parameter =
+    the name `{$name}` is already used for a generic parameter in this item's generic parameters
+    .label = already used
+    .first_use_of_name = first use of `{$name}`
+
+resolve_method_not_member_of_trait =
+    method `{$method}` is not a member of trait `{$trait_}`
+    .label = not a member of trait `{$trait_}`
+
+resolve_associated_fn_with_similar_name_exists =
+    there is an associated function with a similar name
+
+resolve_type_not_member_of_trait =
+    type `{$type_}` is not a member of trait `{$trait_}`
+    .label = not a member of trait `{$trait_}`
+
+resolve_associated_type_with_similar_name_exists =
+    there is an associated type with a similar name
+
+resolve_const_not_member_of_trait =
+    const `{$const_}` is not a member of trait `{$trait_}`
+    .label = not a member of trait `{$trait_}`
+
+resolve_associated_const_with_similar_name_exists =
+    there is an associated constant with a similar name
+
+resolve_variable_bound_with_different_mode =
+    variable `{$variable_name}` is bound inconsistently across alternatives separated by `|`
+    .label = bound in different ways
+    .first_binding_span = first binding
+
+resolve_ident_bound_more_than_once_in_parameter_list =
+    identifier `{$identifier}` is bound more than once in this parameter list
+    .label = used as parameter more than once
+
+resolve_ident_bound_more_than_once_in_same_pattern =
+    identifier `{$identifier}` is bound more than once in the same pattern
+    .label = used in a pattern more than once
+
+resolve_undeclared_label =
+    use of undeclared label `{$name}`
+    .label = undeclared label `{$name}`
+
+resolve_label_with_similar_name_reachable =
+    a label with a similar name is reachable
+
+resolve_try_using_similarly_named_label =
+    try using similarly named label
+
+resolve_unreachable_label_with_similar_name_exists =
+    a label with a similar name exists but is unreachable
+
+resolve_self_import_can_only_appear_once_in_the_list =
+    `self` import can only appear once in an import list
+    .label = can only appear once in an import list
+
+resolve_self_import_only_in_import_list_with_non_empty_prefix =
+    `self` import can only appear in an import list with a non-empty prefix
+    .label = can only appear in an import list with a non-empty prefix
+
+resolve_cannot_capture_dynamic_environment_in_fn_item =
+    can't capture dynamic environment in a fn item
+    .help = use the `|| {"{"} ... {"}"}` closure form instead
+
+resolve_attempt_to_use_non_constant_value_in_constant =
+    attempt to use a non-constant value in a constant
+
+resolve_attempt_to_use_non_constant_value_in_constant_with_suggestion =
+    consider using `{$suggestion}` instead of `{$current}`
+
+resolve_attempt_to_use_non_constant_value_in_constant_label_with_suggestion =
+    non-constant value
+
+resolve_attempt_to_use_non_constant_value_in_constant_without_suggestion =
+    this would need to be a `{$suggestion}`
+
+resolve_self_imports_only_allowed_within =
+    `self` imports are only allowed within a {"{"} {"}"} list
+
+resolve_self_imports_only_allowed_within_suggestion =
+    consider importing the module directly
+
+resolve_self_imports_only_allowed_within_multipart_suggestion =
+    alternatively, use the multi-path `use` syntax to import `self`
+
+resolve_binding_shadows_something_unacceptable =
+    {$shadowing_binding}s cannot shadow {$shadowed_binding}s
+    .label = cannot be named the same as {$article} {$shadowed_binding}
+    .label_shadowed_binding = the {$shadowed_binding} `{$name}` is {$participle} here
+
+resolve_binding_shadows_something_unacceptable_suggestion =
+    try specify the pattern arguments
+
+resolve_forward_declared_generic_param =
+    generic parameters with a default cannot use forward declared identifiers
+    .label = defaulted generic parameters cannot be forward declared
+
+resolve_param_in_ty_of_const_param =
+    the type of const parameters must not depend on other generic parameters
+    .label = the type must not depend on the parameter `{$name}`
+
+resolve_self_in_generic_param_default =
+    generic parameters cannot use `Self` in their defaults
+    .label = `Self` in generic parameter default
+
+resolve_param_in_non_trivial_anon_const =
+    generic parameters may not be used in const operations
+    .label = cannot perform const operation using `{$name}`
+
+resolve_param_in_non_trivial_anon_const_help =
+    use `#![feature(generic_const_exprs)]` to allow generic const expressions
+
+resolve_param_in_non_trivial_anon_const_sub_type =
+    type parameters may not be used in const expressions
+
+resolve_param_in_non_trivial_anon_const_sub_non_type =
+    const parameters may only be used as standalone arguments, i.e. `{$name}`
+
+resolve_unreachable_label =
+    use of unreachable label `{$name}`
+    .label = unreachable label `{$name}`
+    .label_definition_span = unreachable label defined here
+    .note = labels are unreachable through functions, closures, async blocks and modules
+
+resolve_unreachable_label_suggestion_use_similarly_named =
+    try using similarly named label
+
+resolve_unreachable_label_similar_name_reachable =
+    a label with a similar name is reachable
+
+resolve_unreachable_label_similar_name_unreachable =
+    a label with a similar name exists but is also unreachable
+
+resolve_trait_impl_mismatch =
+    item `{$name}` is an associated {$kind}, which doesn't match its trait `{$trait_path}`
+    .label = does not match trait
+    .label_trait_item = item in trait
+
+resolve_invalid_asm_sym =
+    invalid `sym` operand
+    .label = is a local variable
+    .help = `sym` operands must refer to either a function or a static
+
+resolve_trait_impl_duplicate =
+    duplicate definitions with name `{$name}`:
+    .label = duplicate definition
+    .old_span_label = previous definition here
+    .trait_item_span = item in trait
+
+resolve_relative_2018 =
+    relative paths are not supported in visibilities in 2018 edition or later
+    .suggestion = try
+
+resolve_ancestor_only =
+    visibilities can only be restricted to ancestor modules
+
+resolve_expected_found =
+    expected module, found {$res} `{$path_str}`
+    .label = not a module
+
+resolve_indeterminate =
+    cannot determine resolution for the visibility
+
+resolve_module_only =
+    visibility must resolve to a module

compiler/rustc_error_messages/src/lib.rs

@@ -63,6 +63,7 @@ fluent_messages! {
     plugin_impl => "../locales/en-US/plugin_impl.ftl",
     privacy => "../locales/en-US/privacy.ftl",
     query_system => "../locales/en-US/query_system.ftl",
+    resolve => "../locales/en-US/resolve.ftl",
     save_analysis => "../locales/en-US/save_analysis.ftl",
     session => "../locales/en-US/session.ftl",
     symbol_mangling => "../locales/en-US/symbol_mangling.ftl",

compiler/rustc_errors/src/diagnostic_impls.rs

@@ -211,6 +211,12 @@ impl IntoDiagnosticArg for DiagnosticSymbolList {
     }
 }
 
+impl<Id> IntoDiagnosticArg for hir::def::Res<Id> {
+    fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
+        DiagnosticArgValue::Str(Cow::Borrowed(self.descr()))
+    }
+}
+
 impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> {
     fn into_diagnostic(self, handler: &Handler) -> DiagnosticBuilder<'_, !> {
         let mut diag;

compiler/rustc_resolve/Cargo.toml

@@ -19,6 +19,7 @@ rustc_expand = { path = "../rustc_expand" }
 rustc_feature = { path = "../rustc_feature" }
 rustc_hir = { path = "../rustc_hir" }
 rustc_index = { path = "../rustc_index" }
+rustc_macros = { path = "../rustc_macros" }
 rustc_metadata = { path = "../rustc_metadata" }
 rustc_query_system = { path = "../rustc_query_system" }
 rustc_session = { path = "../rustc_session" }