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https://github.com/rust-lang/rust.git
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5d9dfbd08f
Error codes are integers, but `String` is used everywhere to represent them. Gross! This commit introduces `ErrCode`, an integral newtype for error codes, replacing `String`. It also introduces a constant for every error code, e.g. `E0123`, and removes the `error_code!` macro. The constants are imported wherever used with `use rustc_errors::codes::*`. With the old code, we have three different ways to specify an error code at a use point: ``` error_code!(E0123) // macro call struct_span_code_err!(dcx, span, E0123, "msg"); // bare ident arg to macro call \#[diag(name, code = "E0123")] // string struct Diag; ``` With the new code, they all use the `E0123` constant. ``` E0123 // constant struct_span_code_err!(dcx, span, E0123, "msg"); // constant \#[diag(name, code = E0123)] // constant struct Diag; ``` The commit also changes the structure of the error code definitions: - `rustc_error_codes` now just defines a higher-order macro listing the used error codes and nothing else. - Because that's now the only thing in the `rustc_error_codes` crate, I moved it into the `lib.rs` file and removed the `error_codes.rs` file. - `rustc_errors` uses that macro to define everything, e.g. the error code constants and the `DIAGNOSTIC_TABLES`. This is in its new `codes.rs` file.
126 lines
3.7 KiB
Rust
126 lines
3.7 KiB
Rust
//! Errors emitted by ty_utils
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use rustc_errors::codes::*;
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use rustc_macros::{Diagnostic, Subdiagnostic};
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use rustc_middle::ty::{GenericArg, Ty};
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use rustc_span::Span;
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#[derive(Diagnostic)]
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#[diag(ty_utils_needs_drop_overflow)]
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pub struct NeedsDropOverflow<'tcx> {
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pub query_ty: Ty<'tcx>,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_generic_constant_too_complex)]
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#[help]
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pub struct GenericConstantTooComplex {
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#[primary_span]
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pub span: Span,
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#[note(ty_utils_maybe_supported)]
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pub maybe_supported: Option<()>,
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#[subdiagnostic]
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pub sub: GenericConstantTooComplexSub,
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}
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#[derive(Subdiagnostic)]
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pub enum GenericConstantTooComplexSub {
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#[label(ty_utils_borrow_not_supported)]
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BorrowNotSupported(#[primary_span] Span),
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#[label(ty_utils_address_and_deref_not_supported)]
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AddressAndDerefNotSupported(#[primary_span] Span),
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#[label(ty_utils_array_not_supported)]
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ArrayNotSupported(#[primary_span] Span),
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#[label(ty_utils_block_not_supported)]
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BlockNotSupported(#[primary_span] Span),
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#[label(ty_utils_never_to_any_not_supported)]
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NeverToAnyNotSupported(#[primary_span] Span),
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#[label(ty_utils_tuple_not_supported)]
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TupleNotSupported(#[primary_span] Span),
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#[label(ty_utils_index_not_supported)]
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IndexNotSupported(#[primary_span] Span),
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#[label(ty_utils_field_not_supported)]
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FieldNotSupported(#[primary_span] Span),
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#[label(ty_utils_const_block_not_supported)]
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ConstBlockNotSupported(#[primary_span] Span),
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#[label(ty_utils_adt_not_supported)]
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AdtNotSupported(#[primary_span] Span),
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#[label(ty_utils_pointer_not_supported)]
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PointerNotSupported(#[primary_span] Span),
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#[label(ty_utils_yield_not_supported)]
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YieldNotSupported(#[primary_span] Span),
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#[label(ty_utils_loop_not_supported)]
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LoopNotSupported(#[primary_span] Span),
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#[label(ty_utils_box_not_supported)]
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BoxNotSupported(#[primary_span] Span),
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#[label(ty_utils_binary_not_supported)]
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BinaryNotSupported(#[primary_span] Span),
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#[label(ty_utils_logical_op_not_supported)]
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LogicalOpNotSupported(#[primary_span] Span),
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#[label(ty_utils_assign_not_supported)]
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AssignNotSupported(#[primary_span] Span),
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#[label(ty_utils_closure_and_return_not_supported)]
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ClosureAndReturnNotSupported(#[primary_span] Span),
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#[label(ty_utils_control_flow_not_supported)]
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ControlFlowNotSupported(#[primary_span] Span),
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#[label(ty_utils_inline_asm_not_supported)]
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InlineAsmNotSupported(#[primary_span] Span),
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#[label(ty_utils_operation_not_supported)]
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OperationNotSupported(#[primary_span] Span),
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_unexpected_fnptr_associated_item)]
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pub struct UnexpectedFnPtrAssociatedItem {
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#[primary_span]
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pub span: Span,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_zero_length_simd_type)]
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pub struct ZeroLengthSimdType<'tcx> {
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pub ty: Ty<'tcx>,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_multiple_array_fields_simd_type)]
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pub struct MultipleArrayFieldsSimdType<'tcx> {
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pub ty: Ty<'tcx>,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_oversized_simd_type)]
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pub struct OversizedSimdType<'tcx> {
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pub ty: Ty<'tcx>,
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pub max_lanes: u64,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_non_primitive_simd_type)]
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pub struct NonPrimitiveSimdType<'tcx> {
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pub ty: Ty<'tcx>,
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pub e_ty: Ty<'tcx>,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_impl_trait_duplicate_arg)]
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pub struct DuplicateArg<'tcx> {
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pub arg: GenericArg<'tcx>,
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#[primary_span]
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#[label]
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pub span: Span,
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#[note]
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pub opaque_span: Span,
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}
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#[derive(Diagnostic)]
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#[diag(ty_utils_impl_trait_not_param, code = E0792)]
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pub struct NotParam<'tcx> {
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pub arg: GenericArg<'tcx>,
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#[primary_span]
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#[label]
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pub span: Span,
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#[note]
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pub opaque_span: Span,
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}
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