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macros: translatable struct attrs and warnings
Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood
parent
f0de7df204
commit
d0fd8d7880
@ -1,2 +1,87 @@
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parser-struct-literal-body-without-path = struct literal body without path
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parser-struct-literal-body-without-path =
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struct literal body without path
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.suggestion = you might have forgotten to add the struct literal inside the block
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typeck-field-multiply-specified-in-initializer =
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field `{$ident}` specified more than once
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.label = used more than once
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.previous-use-label = first use of `{$ident}`
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typeck-unrecognized-atomic-operation =
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unrecognized atomic operation function: `{$op}`
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.label = unrecognized atomic operation
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typeck-wrong-number-of-generic-arguments-to-intrinsic =
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intrinsic has wrong number of {$descr} parameters: found {$found}, expected {$expected}
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.label = expected {$expected} {$descr} {$expected ->
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[one] parameter
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*[other] parameters
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}
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typeck-unrecognized-intrinsic-function =
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unrecognized intrinsic function: `{$name}`
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.label = unrecognized intrinsic
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typeck-lifetimes-or-bounds-mismatch-on-trait =
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lifetime parameters or bounds on {$item_kind} `{$ident}` do not match the trait declaration
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.label = lifetimes do not match {$item_kind} in trait
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.generics-label = lifetimes in impl do not match this {$item_kind} in trait
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typeck-drop-impl-on-wrong-item =
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the `Drop` trait may only be implemented for structs, enums, and unions
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.label = must be a struct, enum, or union
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typeck-field-already-declared =
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field `{$field_name}` is already declared
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.label = field already declared
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.previous-decl-label = `{$field_name}` first declared here
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typeck-copy-impl-on-type-with-dtor =
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the trait `Copy` may not be implemented for this type; the type has a destructor
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.label = `Copy` not allowed on types with destructors
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typeck-multiple-relaxed-default-bounds =
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type parameter has more than one relaxed default bound, only one is supported
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typeck-copy-impl-on-non-adt =
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the trait `Copy` may not be implemented for this type
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.label = type is not a structure or enumeration
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typeck-trait-object-declared-with-no-traits =
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at least one trait is required for an object type
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typeck-ambiguous-lifetime-bound =
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ambiguous lifetime bound, explicit lifetime bound required
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typeck-assoc-type-binding-not-allowed =
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associated type bindings are not allowed here
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.label = associated type not allowed here
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typeck-functional-record-update-on-non-struct =
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functional record update syntax requires a struct
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typeck-typeof-reserved-keyword-used =
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`typeof` is a reserved keyword but unimplemented
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.label = reserved keyword
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typeck-return-stmt-outside-of-fn-body =
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return statement outside of function body
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.encl-body-label = the return is part of this body...
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.encl-fn-label = ...not the enclosing function body
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typeck-yield-expr-outside-of-generator =
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yield expression outside of generator literal
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typeck-struct-expr-non-exhaustive =
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cannot create non-exhaustive {$what} using struct expression
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typeck-method-call-on-unknown-type =
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the type of this value must be known to call a method on a raw pointer on it
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typeck-value-of-associated-struct-already-specified =
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the value of the associated type `{$item_name}` (from trait `{$def_path}`) is already specified
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.label = re-bound here
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.previous-bound-label = `{$item_name}` bound here first
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typeck-address-of-temporary-taken = cannot take address of a temporary
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.label = temporary value
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@ -261,7 +261,7 @@ pub trait Emitter {
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message: &'a DiagnosticMessage,
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args: &'a FluentArgs<'_>,
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) -> Cow<'_, str> {
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trace!(?message);
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trace!(?message, ?args);
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let (identifier, attr) = match message {
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DiagnosticMessage::Str(msg) => return Cow::Borrowed(&msg),
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DiagnosticMessage::FluentIdentifier(identifier, attr) => (identifier, attr),
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@ -283,7 +283,13 @@ pub trait Emitter {
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let mut err = vec![];
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let translated = bundle.format_pattern(value, Some(&args), &mut err);
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trace!(?translated, ?err);
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debug_assert!(err.is_empty());
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debug_assert!(
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err.is_empty(),
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"identifier: {:?}, args: {:?}, errors: {:?}",
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identifier,
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args,
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err
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);
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translated
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}
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@ -777,6 +777,17 @@ impl Handler {
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result
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}
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/// Construct a builder at the `Warn` level with the `msg` and the `code`.
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pub fn struct_warn_with_code(
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&self,
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msg: impl Into<DiagnosticMessage>,
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code: DiagnosticId,
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) -> DiagnosticBuilder<'_, ()> {
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let mut result = self.struct_warn(msg);
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result.code(code);
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result
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}
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/// Construct a builder at the `Fatal` level at the given `span` and with the `msg`.
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pub fn struct_span_fatal(
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&self,
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@ -63,9 +63,14 @@ decl_derive!([TypeFoldable, attributes(type_foldable)] => type_foldable::type_fo
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decl_derive!([Lift, attributes(lift)] => lift::lift_derive);
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decl_derive!(
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[SessionDiagnostic, attributes(
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message,
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lint,
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// struct attributes
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warning,
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error,
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// nested parts of struct attributes
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code,
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slug,
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// field attributes
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message,
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label,
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suggestion,
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suggestion_short,
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@ -16,11 +16,11 @@ use std::collections::{BTreeSet, HashMap};
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/// # extern crate rust_middle;
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/// # use rustc_middle::ty::Ty;
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/// #[derive(SessionDiagnostic)]
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/// #[code = "E0505"]
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/// #[error = "cannot move out of {name} because it is borrowed"]
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/// #[error(code = "E0505", slug = "move-out-of-borrow-error")]
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/// pub struct MoveOutOfBorrowError<'tcx> {
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/// pub name: Ident,
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/// pub ty: Ty<'tcx>,
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/// #[message]
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/// #[label = "cannot move out of borrow"]
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/// pub span: Span,
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/// #[label = "`{ty}` first borrowed here"]
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@ -79,13 +79,6 @@ impl std::convert::From<syn::Error> for SessionDiagnosticDeriveError {
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}
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}
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/// Equivalent to `rustc:errors::diagnostic::DiagnosticId`, except stores the quoted expression to
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/// initialise the code with.
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enum DiagnosticId {
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Error(proc_macro2::TokenStream),
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Lint(proc_macro2::TokenStream),
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}
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#[derive(Debug)]
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enum SessionDiagnosticDeriveError {
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SynError(syn::Error),
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@ -100,7 +93,7 @@ impl SessionDiagnosticDeriveError {
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// Return ! to avoid having to create a blank DiagnosticBuilder to return when an
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// error has already been emitted to the compiler.
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quote! {
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unreachable!()
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{ unreachable!(); }
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}
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}
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}
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@ -152,17 +145,25 @@ impl<'a> SessionDiagnosticDerive<'a> {
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}
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Self {
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builder: SessionDiagnosticDeriveBuilder { diag, sess, fields: fields_map, kind: None },
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builder: SessionDiagnosticDeriveBuilder {
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diag,
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sess,
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fields: fields_map,
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kind: None,
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code: None,
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slug: None,
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},
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structure,
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}
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}
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fn into_tokens(self) -> proc_macro2::TokenStream {
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let SessionDiagnosticDerive { mut structure, mut builder } = self;
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let ast = structure.ast();
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let attrs = &ast.attrs;
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let implementation = {
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let (implementation, param_ty) = {
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if let syn::Data::Struct(..) = ast.data {
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let preamble = {
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let preamble = attrs.iter().map(|attr| {
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@ -170,6 +171,7 @@ impl<'a> SessionDiagnosticDerive<'a> {
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.generate_structure_code(attr)
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.unwrap_or_else(|v| v.to_compile_error())
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});
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quote! {
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#(#preamble)*;
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}
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@ -213,27 +215,54 @@ impl<'a> SessionDiagnosticDerive<'a> {
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// it can be referred to by Fluent messages.
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if field.attrs.is_empty() {
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let diag = &builder.diag;
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let ident = &field_binding.binding;
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let ident = field_binding.ast().ident.as_ref().unwrap();
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quote! { #diag.set_arg(stringify!(#ident), #field_binding.into_diagnostic_arg()); }
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} else {
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quote! {}
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}
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});
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// Finally, putting it altogether.
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match builder.kind {
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None => {
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span_err(ast.span().unwrap(), "`code` not specified")
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.help("use the `#[code = \"...\"]` attribute to set this diagnostic's error code ")
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.emit();
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SessionDiagnosticDeriveError::ErrorHandled.to_compile_error()
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}
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Some((kind, _)) => match kind {
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DiagnosticId::Lint(_lint) => todo!(),
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DiagnosticId::Error(code) => {
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let span = ast.span().unwrap();
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let (diag, sess) = (&builder.diag, &builder.sess);
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let init = match (builder.kind, builder.slug, builder.code) {
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(None, _, _) => {
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span_err(span, "diagnostic kind not specified")
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.help("use the `#[error(...)]` attribute to create an error")
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.emit();
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return SessionDiagnosticDeriveError::ErrorHandled.to_compile_error();
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}
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(Some((kind, _)), None, _) => {
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span_err(span, "`slug` not specified")
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.help(&format!("use the `#[{}(slug = \"...\")]` attribute to set this diagnostic's slug", kind.descr()))
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.emit();
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return SessionDiagnosticDeriveError::ErrorHandled.to_compile_error();
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}
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(Some((kind, _)), _, None) => {
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span_err(span, "`code` not specified")
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.help(&format!("use the `#[{}(code = \"...\")]` attribute to set this diagnostic's error code", kind.descr()))
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.emit();
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return SessionDiagnosticDeriveError::ErrorHandled.to_compile_error();
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}
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(Some((SessionDiagnosticKind::Error, _)), Some((slug, _)), Some((code, _))) => {
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quote! {
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let mut #diag = #sess.struct_err_with_code("", rustc_errors::DiagnosticId::Error(#code));
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let mut #diag = #sess.struct_err_with_code(
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rustc_errors::DiagnosticMessage::fluent(#slug),
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rustc_errors::DiagnosticId::Error(#code.to_string())
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);
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}
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}
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(Some((SessionDiagnosticKind::Warn, _)), Some((slug, _)), Some((code, _))) => {
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quote! {
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let mut #diag = #sess.struct_warn_with_code(
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rustc_errors::DiagnosticMessage::fluent(#slug),
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rustc_errors::DiagnosticId::Error(#code.to_string())
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);
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}
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}
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};
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let implementation = quote! {
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#init
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#preamble
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match self {
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#attrs
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@ -242,29 +271,38 @@ impl<'a> SessionDiagnosticDerive<'a> {
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#args
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}
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#diag
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};
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let param_ty = match builder.kind {
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Some((SessionDiagnosticKind::Error, _)) => {
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quote! { rustc_errors::ErrorGuaranteed }
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}
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}
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},
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}
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Some((SessionDiagnosticKind::Warn, _)) => quote! { () },
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_ => unreachable!(),
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};
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(implementation, param_ty)
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} else {
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span_err(
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ast.span().unwrap(),
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"`#[derive(SessionDiagnostic)]` can only be used on structs",
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)
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.emit();
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SessionDiagnosticDeriveError::ErrorHandled.to_compile_error()
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let implementation = SessionDiagnosticDeriveError::ErrorHandled.to_compile_error();
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let param_ty = quote! { rustc_errors::ErrorGuaranteed };
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(implementation, param_ty)
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}
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};
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let sess = &builder.sess;
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structure.gen_impl(quote! {
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gen impl<'__session_diagnostic_sess> rustc_session::SessionDiagnostic<'__session_diagnostic_sess>
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gen impl<'__session_diagnostic_sess> rustc_session::SessionDiagnostic<'__session_diagnostic_sess, #param_ty>
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for @Self
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{
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fn into_diagnostic(
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self,
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#sess: &'__session_diagnostic_sess rustc_session::Session
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) -> rustc_errors::DiagnosticBuilder<'__session_diagnostic_sess, rustc_errors::ErrorGuaranteed> {
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) -> rustc_errors::DiagnosticBuilder<'__session_diagnostic_sess, #param_ty> {
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use rustc_errors::IntoDiagnosticArg;
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#implementation
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}
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@ -282,6 +320,25 @@ struct FieldInfo<'a> {
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span: &'a proc_macro2::Span,
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}
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/// What kind of session diagnostic is being derived - an error or a warning?
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#[derive(Copy, Clone)]
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enum SessionDiagnosticKind {
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/// `#[error(..)]`
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Error,
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/// `#[warn(..)]`
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Warn,
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}
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impl SessionDiagnosticKind {
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/// Returns human-readable string corresponding to the kind.
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fn descr(&self) -> &'static str {
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match self {
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SessionDiagnosticKind::Error => "error",
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SessionDiagnosticKind::Warn => "warning",
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}
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}
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}
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/// Tracks persistent information required for building up the individual calls to diagnostic
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/// methods for the final generated method. This is a separate struct to `SessionDiagnosticDerive`
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/// only to be able to destructure and split `self.builder` and the `self.structure` up to avoid a
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@ -289,89 +346,182 @@ struct FieldInfo<'a> {
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struct SessionDiagnosticDeriveBuilder<'a> {
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/// Name of the session parameter that's passed in to the `as_error` method.
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sess: syn::Ident,
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/// The identifier to use for the generated `DiagnosticBuilder` instance.
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diag: syn::Ident,
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/// Store a map of field name to its corresponding field. This is built on construction of the
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/// derive builder.
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fields: HashMap<String, &'a syn::Field>,
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/// The identifier to use for the generated `DiagnosticBuilder` instance.
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diag: syn::Ident,
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/// Whether this is a lint or an error. This dictates how the diag will be initialised. `Span`
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/// stores at what `Span` the kind was first set at (for error reporting purposes, if the kind
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/// was multiply specified).
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kind: Option<(DiagnosticId, proc_macro2::Span)>,
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/// Kind of diagnostic requested via the struct attribute.
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kind: Option<(SessionDiagnosticKind, proc_macro::Span)>,
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/// Slug is a mandatory part of the struct attribute as corresponds to the Fluent message that
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/// has the actual diagnostic message.
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slug: Option<(String, proc_macro::Span)>,
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/// Error codes are a mandatory part of the struct attribute. Slugs may replace error codes
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/// in future but it is desirable to mandate error codes until such a time.
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code: Option<(String, proc_macro::Span)>,
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}
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impl<'a> SessionDiagnosticDeriveBuilder<'a> {
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/// Establishes state in the `SessionDiagnosticDeriveBuilder` resulting from the struct
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/// attributes like `#[error(..)#`, such as the diagnostic kind, slug and code.
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///
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/// Returns a `proc_macro2::TokenStream` so that the `Err(..)` variant can be transformed into
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/// the same type via `to_compile_error`.
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fn generate_structure_code(
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&mut self,
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attr: &syn::Attribute,
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) -> Result<proc_macro2::TokenStream, SessionDiagnosticDeriveError> {
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Ok(match attr.parse_meta()? {
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syn::Meta::NameValue(syn::MetaNameValue { lit: syn::Lit::Str(s), .. }) => {
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let formatted_str = self.build_format(&s.value(), attr.span());
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let span = attr.span().unwrap();
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let name = attr.path.segments.last().unwrap().ident.to_string();
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let name = name.as_str();
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match name {
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"message" => {
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let diag = &self.diag;
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quote! {
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#diag.set_primary_message(#formatted_str);
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}
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}
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attr @ "error" | attr @ "lint" => {
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self.set_kind_once(
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if attr == "error" {
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DiagnosticId::Error(formatted_str)
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} else if attr == "lint" {
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DiagnosticId::Lint(formatted_str)
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} else {
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unreachable!()
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},
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s.span(),
|
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)?;
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// This attribute is only allowed to be applied once, and the attribute
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// will be set in the initialisation code.
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quote! {}
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}
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let nested = match attr.parse_meta()? {
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syn::Meta::List(syn::MetaList { nested, .. }) => nested,
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syn::Meta::Path(..) => throw_span_err!(
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span,
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&format!("`#[{}]` is not a valid `SessionDiagnostic` struct attribute", name)
|
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),
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syn::Meta::NameValue(..) => throw_span_err!(
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span,
|
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&format!("`#[{} = ...]` is not a valid `SessionDiagnostic` struct attribute", name)
|
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),
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};
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|
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let kind = match name.as_str() {
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"error" => SessionDiagnosticKind::Error,
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"warning" => SessionDiagnosticKind::Warn,
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other => throw_span_err!(
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attr.span().unwrap(),
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span,
|
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&format!("`#[{}(...)]` is not a valid `SessionDiagnostic` struct attribute", other)
|
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),
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};
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self.set_kind_once(kind, span)?;
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|
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for attr in nested {
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let span = attr.span().unwrap();
|
||||
let meta = match attr {
|
||||
syn::NestedMeta::Meta(meta) => meta,
|
||||
syn::NestedMeta::Lit(_) => throw_span_err!(
|
||||
span,
|
||||
&format!(
|
||||
"`#[{} = ...]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
other
|
||||
"`#[{}(\"...\")]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
name
|
||||
)
|
||||
),
|
||||
};
|
||||
|
||||
let path = meta.path();
|
||||
let nested_name = path.segments.last().unwrap().ident.to_string();
|
||||
match &meta {
|
||||
// Struct attributes are only allowed to be applied once, and the diagnostic
|
||||
// changes will be set in the initialisation code.
|
||||
syn::Meta::NameValue(syn::MetaNameValue { lit: syn::Lit::Str(s), .. }) => {
|
||||
match nested_name.as_str() {
|
||||
"slug" => {
|
||||
self.set_slug_once(s.value(), s.span().unwrap());
|
||||
}
|
||||
"code" => {
|
||||
self.set_code_once(s.value(), s.span().unwrap());
|
||||
}
|
||||
other => {
|
||||
let diag = span_err(
|
||||
span,
|
||||
&format!(
|
||||
"`#[{}({} = ...)]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
name, other
|
||||
),
|
||||
);
|
||||
diag.emit();
|
||||
}
|
||||
}
|
||||
_ => todo!("unhandled meta kind"),
|
||||
})
|
||||
}
|
||||
syn::Meta::NameValue(..) => {
|
||||
span_err(
|
||||
span,
|
||||
&format!(
|
||||
"`#[{}({} = ...)]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
name, nested_name
|
||||
),
|
||||
)
|
||||
.help("value must be a string")
|
||||
.emit();
|
||||
}
|
||||
syn::Meta::Path(..) => {
|
||||
span_err(
|
||||
span,
|
||||
&format!(
|
||||
"`#[{}({})]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
name, nested_name
|
||||
),
|
||||
)
|
||||
.emit();
|
||||
}
|
||||
syn::Meta::List(..) => {
|
||||
span_err(
|
||||
span,
|
||||
&format!(
|
||||
"`#[{}({}(...))]` is not a valid `SessionDiagnostic` struct attribute",
|
||||
name, nested_name
|
||||
),
|
||||
)
|
||||
.emit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(quote! {})
|
||||
}
|
||||
|
||||
#[must_use]
|
||||
fn set_kind_once(
|
||||
&mut self,
|
||||
kind: DiagnosticId,
|
||||
span: proc_macro2::Span,
|
||||
kind: SessionDiagnosticKind,
|
||||
span: proc_macro::Span,
|
||||
) -> Result<(), SessionDiagnosticDeriveError> {
|
||||
if self.kind.is_none() {
|
||||
match self.kind {
|
||||
None => {
|
||||
self.kind = Some((kind, span));
|
||||
Ok(())
|
||||
} else {
|
||||
let kind_str = |kind: &DiagnosticId| match kind {
|
||||
DiagnosticId::Lint(..) => "lint",
|
||||
DiagnosticId::Error(..) => "error",
|
||||
};
|
||||
}
|
||||
Some((prev_kind, prev_span)) => {
|
||||
let existing = prev_kind.descr();
|
||||
let current = kind.descr();
|
||||
|
||||
let existing_kind = kind_str(&self.kind.as_ref().unwrap().0);
|
||||
let this_kind = kind_str(&kind);
|
||||
|
||||
let msg = if this_kind == existing_kind {
|
||||
format!("`{}` specified multiple times", existing_kind)
|
||||
let msg = if current == existing {
|
||||
format!("`{}` specified multiple times", existing)
|
||||
} else {
|
||||
format!("`{}` specified when `{}` was already specified", this_kind, existing_kind)
|
||||
format!("`{}` specified when `{}` was already specified", current, existing)
|
||||
};
|
||||
throw_span_err!(span.unwrap(), &msg);
|
||||
throw_span_err!(span, &msg, |diag| diag
|
||||
.span_note(prev_span, "previously specified here"));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn set_code_once(&mut self, code: String, span: proc_macro::Span) {
|
||||
match self.code {
|
||||
None => {
|
||||
self.code = Some((code, span));
|
||||
}
|
||||
Some((_, prev_span)) => {
|
||||
span_err(span, "`code` specified multiple times")
|
||||
.span_note(prev_span, "previously specified here")
|
||||
.emit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn set_slug_once(&mut self, slug: String, span: proc_macro::Span) {
|
||||
match self.slug {
|
||||
None => {
|
||||
self.slug = Some((slug, span));
|
||||
}
|
||||
Some((_, prev_span)) => {
|
||||
span_err(span, "`slug` specified multiple times")
|
||||
.span_note(prev_span, "previously specified here")
|
||||
.emit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -413,26 +563,29 @@ impl<'a> SessionDiagnosticDeriveBuilder<'a> {
|
||||
let name = attr.path.segments.last().unwrap().ident.to_string();
|
||||
let name = name.as_str();
|
||||
|
||||
// At this point, we need to dispatch based on the attribute key + the
|
||||
// type.
|
||||
let meta = attr.parse_meta()?;
|
||||
match meta {
|
||||
syn::Meta::NameValue(syn::MetaNameValue { lit: syn::Lit::Str(s), .. }) => {
|
||||
let formatted_str = self.build_format(&s.value(), attr.span());
|
||||
match name {
|
||||
syn::Meta::Path(_) => match name {
|
||||
"message" => {
|
||||
if type_matches_path(&info.ty, &["rustc_span", "Span"]) {
|
||||
return Ok(quote! {
|
||||
#diag.set_span(*#field_binding);
|
||||
#diag.set_primary_message(#formatted_str);
|
||||
});
|
||||
} else {
|
||||
throw_span_err!(
|
||||
attr.span().unwrap(),
|
||||
"the `#[message = \"...\"]` attribute can only be applied to fields of type `Span`"
|
||||
"the `#[message]` attribute can only be applied to fields of type `Span`"
|
||||
);
|
||||
}
|
||||
}
|
||||
other => throw_span_err!(
|
||||
attr.span().unwrap(),
|
||||
&format!("`#[{}]` is not a valid `SessionDiagnostic` field attribute", other)
|
||||
),
|
||||
},
|
||||
syn::Meta::NameValue(syn::MetaNameValue { lit: syn::Lit::Str(s), .. }) => {
|
||||
let formatted_str = self.build_format(&s.value(), attr.span());
|
||||
match name {
|
||||
"label" => {
|
||||
if type_matches_path(&info.ty, &["rustc_span", "Span"]) {
|
||||
return Ok(quote! {
|
||||
@ -441,7 +594,7 @@ impl<'a> SessionDiagnosticDeriveBuilder<'a> {
|
||||
} else {
|
||||
throw_span_err!(
|
||||
attr.span().unwrap(),
|
||||
"The `#[label = ...]` attribute can only be applied to fields of type `Span`"
|
||||
"the `#[label = ...]` attribute can only be applied to fields of type `Span`"
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
@ -21,7 +21,7 @@ use rustc_errors::json::JsonEmitter;
|
||||
use rustc_errors::registry::Registry;
|
||||
use rustc_errors::{
|
||||
fallback_fluent_bundle, fluent_bundle, DiagnosticBuilder, DiagnosticId, DiagnosticMessage,
|
||||
ErrorGuaranteed, FluentBundle, MultiSpan,
|
||||
EmissionGuarantee, ErrorGuaranteed, FluentBundle, MultiSpan,
|
||||
};
|
||||
use rustc_macros::HashStable_Generic;
|
||||
pub use rustc_span::def_id::StableCrateId;
|
||||
@ -209,10 +209,10 @@ pub struct PerfStats {
|
||||
|
||||
/// Trait implemented by error types. This should not be implemented manually. Instead, use
|
||||
/// `#[derive(SessionDiagnostic)]` -- see [rustc_macros::SessionDiagnostic].
|
||||
pub trait SessionDiagnostic<'a> {
|
||||
pub trait SessionDiagnostic<'a, T: EmissionGuarantee = ErrorGuaranteed> {
|
||||
/// Write out as a diagnostic out of `sess`.
|
||||
#[must_use]
|
||||
fn into_diagnostic(self, sess: &'a Session) -> DiagnosticBuilder<'a, ErrorGuaranteed>;
|
||||
fn into_diagnostic(self, sess: &'a Session) -> DiagnosticBuilder<'a, T>;
|
||||
}
|
||||
|
||||
impl Session {
|
||||
@ -343,6 +343,13 @@ impl Session {
|
||||
) -> DiagnosticBuilder<'_, ErrorGuaranteed> {
|
||||
self.diagnostic().struct_err_with_code(msg, code)
|
||||
}
|
||||
pub fn struct_warn_with_code(
|
||||
&self,
|
||||
msg: impl Into<DiagnosticMessage>,
|
||||
code: DiagnosticId,
|
||||
) -> DiagnosticBuilder<'_, ()> {
|
||||
self.diagnostic().struct_warn_with_code(msg, code)
|
||||
}
|
||||
pub fn struct_span_fatal<S: Into<MultiSpan>>(
|
||||
&self,
|
||||
sp: S,
|
||||
@ -409,6 +416,9 @@ impl Session {
|
||||
pub fn emit_err<'a>(&'a self, err: impl SessionDiagnostic<'a>) -> ErrorGuaranteed {
|
||||
err.into_diagnostic(self).emit()
|
||||
}
|
||||
pub fn emit_warning<'a>(&'a self, warning: impl SessionDiagnostic<'a, ()>) {
|
||||
warning.into_diagnostic(self).emit()
|
||||
}
|
||||
#[inline]
|
||||
pub fn err_count(&self) -> usize {
|
||||
self.diagnostic().err_count()
|
||||
|
||||
@ -3,9 +3,9 @@ use rustc_macros::SessionDiagnostic;
|
||||
use rustc_span::{symbol::Ident, Span, Symbol};
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0062"]
|
||||
#[error(code = "E0062", slug = "typeck-field-multiply-specified-in-initializer")]
|
||||
pub struct FieldMultiplySpecifiedInInitializer {
|
||||
#[message = "field `{ident}` specified more than once"]
|
||||
#[message]
|
||||
#[label = "used more than once"]
|
||||
pub span: Span,
|
||||
#[label = "first use of `{ident}`"]
|
||||
@ -14,19 +14,18 @@ pub struct FieldMultiplySpecifiedInInitializer {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0092"]
|
||||
#[error(code = "E0092", slug = "typeck-unrecognized-atomic-operation")]
|
||||
pub struct UnrecognizedAtomicOperation<'a> {
|
||||
#[message = "unrecognized atomic operation function: `{op}`"]
|
||||
#[message]
|
||||
#[label = "unrecognized atomic operation"]
|
||||
pub span: Span,
|
||||
pub op: &'a str,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0094"]
|
||||
#[error(code = "E0094", slug = "typeck-wrong-number-of-generic-arguments-to-intrinsic")]
|
||||
pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> {
|
||||
#[message = "intrinsic has wrong number of {descr} \
|
||||
parameters: found {found}, expected {expected}"]
|
||||
#[message]
|
||||
#[label = "expected {expected} {descr} parameter{expected_pluralize}"]
|
||||
pub span: Span,
|
||||
pub found: usize,
|
||||
@ -36,18 +35,18 @@ pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0093"]
|
||||
#[error(code = "E0093", slug = "typeck-unrecognized-intrinsic-function")]
|
||||
pub struct UnrecognizedIntrinsicFunction {
|
||||
#[message = "unrecognized intrinsic function: `{name}`"]
|
||||
#[message]
|
||||
#[label = "unrecognized intrinsic"]
|
||||
pub span: Span,
|
||||
pub name: Symbol,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0195"]
|
||||
#[error(code = "E0195", slug = "typeck-lifetimes-or-bounds-mismatch-on-trait")]
|
||||
pub struct LifetimesOrBoundsMismatchOnTrait {
|
||||
#[message = "lifetime parameters or bounds on {item_kind} `{ident}` do not match the trait declaration"]
|
||||
#[message]
|
||||
#[label = "lifetimes do not match {item_kind} in trait"]
|
||||
pub span: Span,
|
||||
#[label = "lifetimes in impl do not match this {item_kind} in trait"]
|
||||
@ -57,18 +56,18 @@ pub struct LifetimesOrBoundsMismatchOnTrait {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0120"]
|
||||
#[error(code = "E0120", slug = "typeck-drop-impl-on-wrong-item")]
|
||||
pub struct DropImplOnWrongItem {
|
||||
#[message = "the `Drop` trait may only be implemented for structs, enums, and unions"]
|
||||
#[message]
|
||||
#[label = "must be a struct, enum, or union"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0124"]
|
||||
#[error(code = "E0124", slug = "typeck-field-already-declared")]
|
||||
pub struct FieldAlreadyDeclared {
|
||||
pub field_name: Ident,
|
||||
#[message = "field `{field_name}` is already declared"]
|
||||
#[message]
|
||||
#[label = "field already declared"]
|
||||
pub span: Span,
|
||||
#[label = "`{field_name}` first declared here"]
|
||||
@ -76,70 +75,69 @@ pub struct FieldAlreadyDeclared {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0184"]
|
||||
#[error(code = "E0184", slug = "typeck-copy-impl-on-type-with-dtor")]
|
||||
pub struct CopyImplOnTypeWithDtor {
|
||||
#[message = "the trait `Copy` may not be implemented for this type; the \
|
||||
type has a destructor"]
|
||||
#[message]
|
||||
#[label = "Copy not allowed on types with destructors"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0203"]
|
||||
#[error(code = "E0203", slug = "typeck-multiple-relaxed-default-bounds")]
|
||||
pub struct MultipleRelaxedDefaultBounds {
|
||||
#[message = "type parameter has more than one relaxed default bound, only one is supported"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0206"]
|
||||
#[error(code = "E0206", slug = "typeck-copy-impl-on-non-adt")]
|
||||
pub struct CopyImplOnNonAdt {
|
||||
#[message = "the trait `Copy` may not be implemented for this type"]
|
||||
#[message]
|
||||
#[label = "type is not a structure or enumeration"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0224"]
|
||||
#[error(code = "E0224", slug = "typeck-trait-object-declared-with-no-traits")]
|
||||
pub struct TraitObjectDeclaredWithNoTraits {
|
||||
#[message = "at least one trait is required for an object type"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0227"]
|
||||
#[error(code = "E0227", slug = "typeck-ambiguous-lifetime-bound")]
|
||||
pub struct AmbiguousLifetimeBound {
|
||||
#[message = "ambiguous lifetime bound, explicit lifetime bound required"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0229"]
|
||||
#[error(code = "E0229", slug = "typeck-assoc-type-binding-not-allowed")]
|
||||
pub struct AssocTypeBindingNotAllowed {
|
||||
#[message = "associated type bindings are not allowed here"]
|
||||
#[message]
|
||||
#[label = "associated type not allowed here"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0436"]
|
||||
#[error(code = "E0436", slug = "typeck-functional-record-update-on-non-struct")]
|
||||
pub struct FunctionalRecordUpdateOnNonStruct {
|
||||
#[message = "functional record update syntax requires a struct"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0516"]
|
||||
#[error(code = "E0516", slug = "typeck-typeof-reserved-keyword-used")]
|
||||
pub struct TypeofReservedKeywordUsed {
|
||||
#[message = "`typeof` is a reserved keyword but unimplemented"]
|
||||
#[message]
|
||||
#[label = "reserved keyword"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0572"]
|
||||
#[error(code = "E0572", slug = "typeck-return-stmt-outside-of-fn-body")]
|
||||
pub struct ReturnStmtOutsideOfFnBody {
|
||||
#[message = "return statement outside of function body"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
#[label = "the return is part of this body..."]
|
||||
pub encl_body_span: Option<Span>,
|
||||
@ -148,31 +146,31 @@ pub struct ReturnStmtOutsideOfFnBody {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0627"]
|
||||
#[error(code = "E0627", slug = "typeck-yield-expr-outside-of-generator")]
|
||||
pub struct YieldExprOutsideOfGenerator {
|
||||
#[message = "yield expression outside of generator literal"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0639"]
|
||||
#[error(code = "E0639", slug = "typeck-struct-expr-non-exhaustive")]
|
||||
pub struct StructExprNonExhaustive {
|
||||
#[message = "cannot create non-exhaustive {what} using struct expression"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
pub what: &'static str,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0699"]
|
||||
#[error(code = "E0699", slug = "typeck-method-call-on-unknown-type")]
|
||||
pub struct MethodCallOnUnknownType {
|
||||
#[message = "the type of this value must be known to call a method on a raw pointer on it"]
|
||||
#[message]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0719"]
|
||||
#[error(code = "E0719", slug = "typeck-value-of-associated-struct-already-specified")]
|
||||
pub struct ValueOfAssociatedStructAlreadySpecified {
|
||||
#[message = "the value of the associated type `{item_name}` (from trait `{def_path}`) is already specified"]
|
||||
#[message]
|
||||
#[label = "re-bound here"]
|
||||
pub span: Span,
|
||||
#[label = "`{item_name}` bound here first"]
|
||||
@ -182,9 +180,9 @@ pub struct ValueOfAssociatedStructAlreadySpecified {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0745"]
|
||||
#[error(code = "E0745", slug = "typeck-address-of-temporary-taken")]
|
||||
pub struct AddressOfTemporaryTaken {
|
||||
#[message = "cannot take address of a temporary"]
|
||||
#[message]
|
||||
#[label = "temporary value"]
|
||||
pub span: Span,
|
||||
}
|
||||
|
||||
@ -26,12 +26,15 @@ use rustc_errors::Applicability;
|
||||
extern crate rustc_session;
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[message = "Hello, world!"]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "hello-world")]
|
||||
struct Hello {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[warning(code = "E0123", slug = "hello-world")]
|
||||
struct HelloWarn {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[derive(SessionDiagnostic)]` can only be used on structs
|
||||
enum SessionDiagnosticOnEnum {
|
||||
Foo,
|
||||
@ -39,13 +42,46 @@ enum SessionDiagnosticOnEnum {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
#[error = "E0123"]
|
||||
#[label = "This is in the wrong place"]
|
||||
//~^ ERROR `#[label = ...]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct WrongPlace {}
|
||||
//~^ ERROR `#[error = ...]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct WrongStructAttrStyle {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[nonsense(code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[nonsense(...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
//~^^ ERROR diagnostic kind not specified
|
||||
//~^^^ ERROR cannot find attribute `nonsense` in this scope
|
||||
struct InvalidStructAttr {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error("E0123")]
|
||||
//~^ ERROR `#[error("...")]` is not a valid `SessionDiagnostic` struct attribute
|
||||
//~^^ ERROR `slug` not specified
|
||||
struct InvalidLitNestedAttr {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(nonsense, code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[error(nonsense)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct InvalidNestedStructAttr {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(nonsense("foo"), code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[error(nonsense(...))]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct InvalidNestedStructAttr1 {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(nonsense = "...", code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[error(nonsense = ...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct InvalidNestedStructAttr2 {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(nonsense = 4, code = "E0123", slug = "foo")]
|
||||
//~^ ERROR `#[error(nonsense = ...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
struct InvalidNestedStructAttr3 {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct WrongPlaceField {
|
||||
#[suggestion = "this is the wrong kind of attribute"]
|
||||
//~^ ERROR `#[suggestion = ...]` is not a valid `SessionDiagnostic` field attribute
|
||||
@ -53,101 +89,113 @@ struct WrongPlaceField {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[message = "Hello, world!"]
|
||||
#[error = "E0123"]
|
||||
#[error = "E0456"] //~ ERROR `error` specified multiple times
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
#[error(code = "E0456", slug = "bar")] //~ ERROR `error` specified multiple times
|
||||
struct ErrorSpecifiedTwice {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[message = "Hello, world!"]
|
||||
#[error = "E0123"]
|
||||
#[lint = "some_useful_lint"] //~ ERROR `lint` specified when `error` was already specified
|
||||
struct LintSpecifiedAfterError {}
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
#[warning(code = "E0293", slug = "bar")]
|
||||
//~^ ERROR `warning` specified when `error` was already specified
|
||||
struct WarnSpecifiedAfterError {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[message = "Some lint message"]
|
||||
#[error = "E0123"]
|
||||
struct LintButHasErrorCode {}
|
||||
#[error(code = "E0456", code = "E0457", slug = "bar")] //~ ERROR `code` specified multiple times
|
||||
struct CodeSpecifiedTwice {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
struct ErrorCodeNotProvided {} //~ ERROR `code` not specified
|
||||
|
||||
// FIXME: Uncomment when emitting lints is supported.
|
||||
/*
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[message = "Hello, world!"]
|
||||
#[lint = "clashing_extern_declarations"]
|
||||
#[lint = "improper_ctypes"] // FIXME: ERROR `lint` specified multiple times
|
||||
struct LintSpecifiedTwice {}
|
||||
#[error(code = "E0456", slug = "foo", slug = "bar")] //~ ERROR `slug` specified multiple times
|
||||
struct SlugSpecifiedTwice {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[lint = "Some lint message"]
|
||||
#[message = "Some error message"]
|
||||
#[error = "E0123"] // ERROR `error` specified when `lint` was already specified
|
||||
struct ErrorSpecifiedAfterLint {}
|
||||
*/
|
||||
struct KindNotProvided {} //~ ERROR diagnostic kind not specified
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0456")] //~ ERROR `slug` not specified
|
||||
struct SlugNotProvided {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(slug = "foo")] //~ ERROR `code` not specified
|
||||
struct CodeNotProvided {}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct MessageWrongType {
|
||||
#[message]
|
||||
//~^ ERROR `#[message]` attribute can only be applied to fields of type `Span`
|
||||
foo: String,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct InvalidPathFieldAttr {
|
||||
#[nonsense]
|
||||
//~^ ERROR `#[nonsense]` is not a valid `SessionDiagnostic` field attribute
|
||||
//~^^ ERROR cannot find attribute `nonsense` in this scope
|
||||
foo: String,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct ErrorWithField {
|
||||
name: String,
|
||||
#[message = "This error has a field, and references {name}"]
|
||||
#[label = "This error has a field, and references {name}"]
|
||||
span: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct ErrorWithMessageAppliedToField {
|
||||
#[message = "this message is applied to a String field"]
|
||||
//~^ ERROR the `#[message = "..."]` attribute can only be applied to fields of type `Span`
|
||||
#[label = "this message is applied to a String field"]
|
||||
//~^ ERROR the `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
name: String,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "This error has a field, and references {name}"]
|
||||
//~^ ERROR `name` doesn't refer to a field on this type
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct ErrorWithNonexistentField {
|
||||
descr: String,
|
||||
#[label = "This error has a field, and references {name}"]
|
||||
//~^ ERROR `name` doesn't refer to a field on this type
|
||||
foo: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "This is missing a closing brace: {name"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
//~^ ERROR invalid format string: expected `'}'`
|
||||
struct ErrorMissingClosingBrace {
|
||||
#[label = "This is missing a closing brace: {name"]
|
||||
foo: Span,
|
||||
name: String,
|
||||
val: usize,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "This is missing an opening brace: name}"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
//~^ ERROR invalid format string: unmatched `}`
|
||||
struct ErrorMissingOpeningBrace {
|
||||
#[label = "This is missing an opening brace: name}"]
|
||||
foo: Span,
|
||||
name: String,
|
||||
val: usize,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "Something something"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct LabelOnSpan {
|
||||
#[label = "See here"]
|
||||
sp: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "Something something"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct LabelOnNonSpan {
|
||||
#[label = "See here"]
|
||||
//~^ ERROR The `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
//~^ ERROR the `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
id: u32,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct Suggest {
|
||||
#[suggestion(message = "This is a suggestion", code = "This is the suggested code")]
|
||||
#[suggestion_short(message = "This is a suggestion", code = "This is the suggested code")]
|
||||
@ -157,14 +205,14 @@ struct Suggest {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithoutCode {
|
||||
#[suggestion(message = "This is a suggestion")]
|
||||
suggestion: (Span, Applicability),
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithBadKey {
|
||||
#[suggestion(nonsense = "This is nonsense")]
|
||||
//~^ ERROR `nonsense` is not a valid key for `#[suggestion(...)]`
|
||||
@ -172,7 +220,7 @@ struct SuggestWithBadKey {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithShorthandMsg {
|
||||
#[suggestion(msg = "This is a suggestion")]
|
||||
//~^ ERROR `msg` is not a valid key for `#[suggestion(...)]`
|
||||
@ -180,7 +228,7 @@ struct SuggestWithShorthandMsg {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithoutMsg {
|
||||
#[suggestion(code = "This is suggested code")]
|
||||
//~^ ERROR missing suggestion message
|
||||
@ -188,14 +236,14 @@ struct SuggestWithoutMsg {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithTypesSwapped {
|
||||
#[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
suggestion: (Applicability, Span),
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithWrongTypeApplicabilityOnly {
|
||||
#[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
//~^ ERROR wrong field type for suggestion
|
||||
@ -203,14 +251,14 @@ struct SuggestWithWrongTypeApplicabilityOnly {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithSpanOnly {
|
||||
#[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
suggestion: Span,
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithDuplicateSpanAndApplicability {
|
||||
#[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
//~^ ERROR type of field annotated with `#[suggestion(...)]` contains more than one `Span`
|
||||
@ -218,7 +266,7 @@ struct SuggestWithDuplicateSpanAndApplicability {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct SuggestWithDuplicateApplicabilityAndSpan {
|
||||
#[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
//~^ ERROR type of field annotated with `#[suggestion(...)]` contains more than one
|
||||
@ -226,7 +274,7 @@ struct SuggestWithDuplicateApplicabilityAndSpan {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct WrongKindOfAnnotation {
|
||||
#[label("wrong kind of annotation for label")]
|
||||
//~^ ERROR invalid annotation list `#[label(...)]`
|
||||
@ -234,8 +282,7 @@ struct WrongKindOfAnnotation {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[message = "Something something else"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct OptionsInErrors {
|
||||
#[label = "Label message"]
|
||||
label: Option<Span>,
|
||||
@ -244,11 +291,11 @@ struct OptionsInErrors {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0456"]
|
||||
#[error(code = "E0456", slug = "foo")]
|
||||
struct MoveOutOfBorrowError<'tcx> {
|
||||
name: Ident,
|
||||
ty: Ty<'tcx>,
|
||||
#[message = "cannot move {ty} out of borrow"]
|
||||
#[message]
|
||||
#[label = "cannot move out of borrow"]
|
||||
span: Span,
|
||||
#[label = "`{ty}` first borrowed here"]
|
||||
@ -258,9 +305,9 @@ struct MoveOutOfBorrowError<'tcx> {
|
||||
}
|
||||
|
||||
#[derive(SessionDiagnostic)]
|
||||
#[error = "E0123"]
|
||||
#[error(code = "E0123", slug = "foo")]
|
||||
struct ErrorWithLifetime<'a> {
|
||||
#[message = "Some message that references {name}"]
|
||||
#[label = "Some message that references {name}"]
|
||||
span: Span,
|
||||
name: &'a str,
|
||||
}
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
error: `#[derive(SessionDiagnostic)]` can only be used on structs
|
||||
--> $DIR/session-derive-errors.rs:34:1
|
||||
--> $DIR/session-derive-errors.rs:37:1
|
||||
|
|
||||
LL | / #[error = "E0123"]
|
||||
LL | / #[error(code = "E0123", slug = "foo")]
|
||||
LL | |
|
||||
LL | | enum SessionDiagnosticOnEnum {
|
||||
LL | | Foo,
|
||||
@ -9,95 +9,221 @@ LL | | Bar,
|
||||
LL | | }
|
||||
| |_^
|
||||
|
||||
error: `#[label = ...]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:43:1
|
||||
error: `#[error = ...]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:46:1
|
||||
|
|
||||
LL | #[label = "This is in the wrong place"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
LL | #[error = "E0123"]
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `#[nonsense(...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:51:1
|
||||
|
|
||||
LL | #[nonsense(code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: diagnostic kind not specified
|
||||
--> $DIR/session-derive-errors.rs:51:1
|
||||
|
|
||||
LL | / #[nonsense(code = "E0123", slug = "foo")]
|
||||
LL | |
|
||||
LL | |
|
||||
LL | |
|
||||
LL | | struct InvalidStructAttr {}
|
||||
| |___________________________^
|
||||
|
|
||||
= help: use the `#[error(...)]` attribute to create an error
|
||||
|
||||
error: `#[error("...")]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:58:9
|
||||
|
|
||||
LL | #[error("E0123")]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `slug` not specified
|
||||
--> $DIR/session-derive-errors.rs:58:1
|
||||
|
|
||||
LL | / #[error("E0123")]
|
||||
LL | |
|
||||
LL | |
|
||||
LL | | struct InvalidLitNestedAttr {}
|
||||
| |______________________________^
|
||||
|
|
||||
= help: use the `#[error(slug = "...")]` attribute to set this diagnostic's slug
|
||||
|
||||
error: `#[error(nonsense)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:64:9
|
||||
|
|
||||
LL | #[error(nonsense, code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^
|
||||
|
||||
error: `#[error(nonsense(...))]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:69:9
|
||||
|
|
||||
LL | #[error(nonsense("foo"), code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^^^^
|
||||
|
||||
error: `#[error(nonsense = ...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:74:9
|
||||
|
|
||||
LL | #[error(nonsense = "...", code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `#[error(nonsense = ...)]` is not a valid `SessionDiagnostic` struct attribute
|
||||
--> $DIR/session-derive-errors.rs:79:9
|
||||
|
|
||||
LL | #[error(nonsense = 4, code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^
|
||||
|
|
||||
= help: value must be a string
|
||||
|
||||
error: `#[suggestion = ...]` is not a valid `SessionDiagnostic` field attribute
|
||||
--> $DIR/session-derive-errors.rs:50:5
|
||||
--> $DIR/session-derive-errors.rs:86:5
|
||||
|
|
||||
LL | #[suggestion = "this is the wrong kind of attribute"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `error` specified multiple times
|
||||
--> $DIR/session-derive-errors.rs:58:11
|
||||
--> $DIR/session-derive-errors.rs:93:1
|
||||
|
|
||||
LL | #[error = "E0456"]
|
||||
LL | #[error(code = "E0456", slug = "bar")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
note: previously specified here
|
||||
--> $DIR/session-derive-errors.rs:92:1
|
||||
|
|
||||
LL | #[error(code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `warning` specified when `error` was already specified
|
||||
--> $DIR/session-derive-errors.rs:98:1
|
||||
|
|
||||
LL | #[warning(code = "E0293", slug = "bar")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
note: previously specified here
|
||||
--> $DIR/session-derive-errors.rs:97:1
|
||||
|
|
||||
LL | #[error(code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `code` specified multiple times
|
||||
--> $DIR/session-derive-errors.rs:103:32
|
||||
|
|
||||
LL | #[error(code = "E0456", code = "E0457", slug = "bar")]
|
||||
| ^^^^^^^
|
||||
|
|
||||
note: previously specified here
|
||||
--> $DIR/session-derive-errors.rs:103:16
|
||||
|
|
||||
LL | #[error(code = "E0456", code = "E0457", slug = "bar")]
|
||||
| ^^^^^^^
|
||||
|
||||
error: `lint` specified when `error` was already specified
|
||||
--> $DIR/session-derive-errors.rs:64:10
|
||||
error: `slug` specified multiple times
|
||||
--> $DIR/session-derive-errors.rs:107:46
|
||||
|
|
||||
LL | #[lint = "some_useful_lint"]
|
||||
| ^^^^^^^^^^^^^^^^^^
|
||||
LL | #[error(code = "E0456", slug = "foo", slug = "bar")]
|
||||
| ^^^^^
|
||||
|
|
||||
note: previously specified here
|
||||
--> $DIR/session-derive-errors.rs:107:32
|
||||
|
|
||||
LL | #[error(code = "E0456", slug = "foo", slug = "bar")]
|
||||
| ^^^^^
|
||||
|
||||
error: diagnostic kind not specified
|
||||
--> $DIR/session-derive-errors.rs:111:1
|
||||
|
|
||||
LL | struct KindNotProvided {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
||||
= help: use the `#[error(...)]` attribute to create an error
|
||||
|
||||
error: `slug` not specified
|
||||
--> $DIR/session-derive-errors.rs:114:1
|
||||
|
|
||||
LL | / #[error(code = "E0456")]
|
||||
LL | | struct SlugNotProvided {}
|
||||
| |_________________________^
|
||||
|
|
||||
= help: use the `#[error(slug = "...")]` attribute to set this diagnostic's slug
|
||||
|
||||
error: `code` not specified
|
||||
--> $DIR/session-derive-errors.rs:73:1
|
||||
--> $DIR/session-derive-errors.rs:118:1
|
||||
|
|
||||
LL | struct ErrorCodeNotProvided {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
LL | / #[error(slug = "foo")]
|
||||
LL | | struct CodeNotProvided {}
|
||||
| |_________________________^
|
||||
|
|
||||
= help: use the `#[code = "..."]` attribute to set this diagnostic's error code
|
||||
= help: use the `#[error(code = "...")]` attribute to set this diagnostic's error code
|
||||
|
||||
error: the `#[message = "..."]` attribute can only be applied to fields of type `Span`
|
||||
--> $DIR/session-derive-errors.rs:101:5
|
||||
error: the `#[message]` attribute can only be applied to fields of type `Span`
|
||||
--> $DIR/session-derive-errors.rs:124:5
|
||||
|
|
||||
LL | #[message = "this message is applied to a String field"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
LL | #[message]
|
||||
| ^^^^^^^^^^
|
||||
|
||||
error: `#[nonsense]` is not a valid `SessionDiagnostic` field attribute
|
||||
--> $DIR/session-derive-errors.rs:132:5
|
||||
|
|
||||
LL | #[nonsense]
|
||||
| ^^^^^^^^^^^
|
||||
|
||||
error: the `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
--> $DIR/session-derive-errors.rs:149:5
|
||||
|
|
||||
LL | #[label = "this message is applied to a String field"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `name` doesn't refer to a field on this type
|
||||
--> $DIR/session-derive-errors.rs:108:1
|
||||
--> $DIR/session-derive-errors.rs:157:5
|
||||
|
|
||||
LL | #[message = "This error has a field, and references {name}"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
LL | #[label = "This error has a field, and references {name}"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: invalid format string: expected `'}'` but string was terminated
|
||||
--> $DIR/session-derive-errors.rs:116:1
|
||||
--> $DIR/session-derive-errors.rs:163:20
|
||||
|
|
||||
LL | #[derive(SessionDiagnostic)]
|
||||
| ----------------- in this derive macro expansion
|
||||
LL | #[error = "E0123"]
|
||||
| - because of this opening brace
|
||||
LL | #[message = "This is missing a closing brace: {name"]
|
||||
| ^ expected `'}'` in format string
|
||||
LL | #[error(code = "E0123", slug = "foo")]
|
||||
| - ^ expected `'}'` in format string
|
||||
| |
|
||||
| because of this opening brace
|
||||
|
|
||||
= note: if you intended to print `{`, you can escape it using `{{`
|
||||
= note: this error originates in the derive macro `SessionDiagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: invalid format string: unmatched `}` found
|
||||
--> $DIR/session-derive-errors.rs:125:1
|
||||
--> $DIR/session-derive-errors.rs:173:20
|
||||
|
|
||||
LL | #[derive(SessionDiagnostic)]
|
||||
| ----------------- in this derive macro expansion
|
||||
LL | #[error = "E0123"]
|
||||
LL | #[message = "This is missing an opening brace: name}"]
|
||||
LL | #[error(code = "E0123", slug = "foo")]
|
||||
| ^ unmatched `}` in format string
|
||||
|
|
||||
= note: if you intended to print `}`, you can escape it using `}}`
|
||||
= note: this error originates in the derive macro `SessionDiagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
|
||||
|
||||
error: The `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
--> $DIR/session-derive-errors.rs:144:5
|
||||
error: the `#[label = ...]` attribute can only be applied to fields of type `Span`
|
||||
--> $DIR/session-derive-errors.rs:192:5
|
||||
|
|
||||
LL | #[label = "See here"]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `nonsense` is not a valid key for `#[suggestion(...)]`
|
||||
--> $DIR/session-derive-errors.rs:169:18
|
||||
--> $DIR/session-derive-errors.rs:217:18
|
||||
|
|
||||
LL | #[suggestion(nonsense = "This is nonsense")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: `msg` is not a valid key for `#[suggestion(...)]`
|
||||
--> $DIR/session-derive-errors.rs:177:18
|
||||
--> $DIR/session-derive-errors.rs:225:18
|
||||
|
|
||||
LL | #[suggestion(msg = "This is a suggestion")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: missing suggestion message
|
||||
--> $DIR/session-derive-errors.rs:185:7
|
||||
--> $DIR/session-derive-errors.rs:233:7
|
||||
|
|
||||
LL | #[suggestion(code = "This is suggested code")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
@ -105,7 +231,7 @@ LL | #[suggestion(code = "This is suggested code")]
|
||||
= help: provide a suggestion message using `#[suggestion(message = "...")]`
|
||||
|
||||
error: wrong field type for suggestion
|
||||
--> $DIR/session-derive-errors.rs:200:5
|
||||
--> $DIR/session-derive-errors.rs:248:5
|
||||
|
|
||||
LL | / #[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
LL | |
|
||||
@ -115,7 +241,7 @@ LL | | suggestion: Applicability,
|
||||
= help: `#[suggestion(...)]` should be applied to fields of type `Span` or `(Span, Applicability)`
|
||||
|
||||
error: type of field annotated with `#[suggestion(...)]` contains more than one `Span`
|
||||
--> $DIR/session-derive-errors.rs:215:5
|
||||
--> $DIR/session-derive-errors.rs:263:5
|
||||
|
|
||||
LL | / #[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
LL | |
|
||||
@ -123,7 +249,7 @@ LL | | suggestion: (Span, Span, Applicability),
|
||||
| |___________________________________________^
|
||||
|
||||
error: type of field annotated with `#[suggestion(...)]` contains more than one Applicability
|
||||
--> $DIR/session-derive-errors.rs:223:5
|
||||
--> $DIR/session-derive-errors.rs:271:5
|
||||
|
|
||||
LL | / #[suggestion(message = "This is a message", code = "This is suggested code")]
|
||||
LL | |
|
||||
@ -131,10 +257,22 @@ LL | | suggestion: (Applicability, Applicability, Span),
|
||||
| |____________________________________________________^
|
||||
|
||||
error: invalid annotation list `#[label(...)]`
|
||||
--> $DIR/session-derive-errors.rs:231:7
|
||||
--> $DIR/session-derive-errors.rs:279:7
|
||||
|
|
||||
LL | #[label("wrong kind of annotation for label")]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: aborting due to 18 previous errors
|
||||
error: cannot find attribute `nonsense` in this scope
|
||||
--> $DIR/session-derive-errors.rs:51:3
|
||||
|
|
||||
LL | #[nonsense(code = "E0123", slug = "foo")]
|
||||
| ^^^^^^^^
|
||||
|
||||
error: cannot find attribute `nonsense` in this scope
|
||||
--> $DIR/session-derive-errors.rs:132:7
|
||||
|
|
||||
LL | #[nonsense]
|
||||
| ^^^^^^^^
|
||||
|
||||
error: aborting due to 34 previous errors
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user