compiler/rustc_const_eval/src/errors.rs

   1 use rustc_hir::ConstContext;
   2 use rustc_macros::SessionDiagnostic;
   3 use rustc_span::Span;
   4
   5 #[derive(SessionDiagnostic)]
   6 #[error(const_eval::unstable_in_stable)]
   7 pub(crate) struct UnstableInStable {
   8     pub gate: String,
   9     #[primary_span]
  10     pub span: Span,
  11     #[suggestion(
  12         const_eval::unstable_sugg,
  13         code = "#[rustc_const_unstable(feature = \"...\", issue = \"...\")]\n",
  14         applicability = "has-placeholders"
  15     )]
  16     #[suggestion(
  17         const_eval::bypass_sugg,
  18         code = "#[rustc_allow_const_fn_unstable({gate})]\n",
  19         applicability = "has-placeholders"
  20     )]
  21     pub attr_span: Span,
  22 }
  23
  24 #[derive(SessionDiagnostic)]
  25 #[error(const_eval::thread_local_access, code = "E0625")]
  26 pub(crate) struct NonConstOpErr {
  27     #[primary_span]
  28     pub span: Span,
  29 }
  30
  31 #[derive(SessionDiagnostic)]
  32 #[error(const_eval::static_access, code = "E0013")]
  33 #[help]
  34 pub(crate) struct StaticAccessErr {
  35     #[primary_span]
  36     pub span: Span,
  37     pub kind: ConstContext,
  38     #[note(const_eval::teach_note)]
  39     #[help(const_eval::teach_help)]
  40     pub teach: Option<()>,
  41 }
  42
  43 #[derive(SessionDiagnostic)]
  44 #[error(const_eval::raw_ptr_to_int)]
  45 #[note]
  46 #[note(const_eval::note2)]
  47 pub(crate) struct RawPtrToIntErr {
  48     #[primary_span]
  49     pub span: Span,
  50 }
  51
  52 #[derive(SessionDiagnostic)]
  53 #[error(const_eval::raw_ptr_comparison)]
  54 #[note]
  55 pub(crate) struct RawPtrComparisonErr {
  56     #[primary_span]
  57     pub span: Span,
  58 }
  59
  60 #[derive(SessionDiagnostic)]
  61 #[error(const_eval::panic_non_str)]
  62 pub(crate) struct PanicNonStrErr {
  63     #[primary_span]
  64     pub span: Span,
  65 }
  66
  67 #[derive(SessionDiagnostic)]
  68 #[error(const_eval::mut_deref, code = "E0658")]
  69 pub(crate) struct MutDerefErr {
  70     #[primary_span]
  71     pub span: Span,
  72     pub kind: ConstContext,
  73 }
  74
  75 #[derive(SessionDiagnostic)]
  76 #[error(const_eval::transient_mut_borrow, code = "E0658")]
  77 pub(crate) struct TransientMutBorrowErr {
  78     #[primary_span]
  79     pub span: Span,
  80     pub kind: ConstContext,
  81 }
  82
  83 #[derive(SessionDiagnostic)]
  84 #[error(const_eval::transient_mut_borrow_raw, code = "E0658")]
  85 pub(crate) struct TransientMutBorrowErrRaw {
  86     #[primary_span]
  87     pub span: Span,
  88     pub kind: ConstContext,
  89 }