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//! Errors emitted by `rustc_hir_typeck`.
use rustc_errors::{AddToDiagnostic, Applicability, Diagnostic, MultiSpan, SubdiagnosticMessage};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_middle::ty::Ty;
use rustc_span::{symbol::Ident, Span};
#[derive(Diagnostic)]
#[diag(hir_typeck_field_multiply_specified_in_initializer, code = "E0062")]
pub struct FieldMultiplySpecifiedInInitializer {
#[primary_span]
#[label]
pub span: Span,
#[label(previous_use_label)]
pub prev_span: Span,
pub ident: Ident,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_return_stmt_outside_of_fn_body, code = "E0572")]
pub struct ReturnStmtOutsideOfFnBody {
#[primary_span]
pub span: Span,
#[label(encl_body_label)]
pub encl_body_span: Option<Span>,
#[label(encl_fn_label)]
pub encl_fn_span: Option<Span>,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_yield_expr_outside_of_generator, code = "E0627")]
pub struct YieldExprOutsideOfGenerator {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_struct_expr_non_exhaustive, code = "E0639")]
pub struct StructExprNonExhaustive {
#[primary_span]
pub span: Span,
pub what: &'static str,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_method_call_on_unknown_type, code = "E0699")]
pub struct MethodCallOnUnknownType {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_functional_record_update_on_non_struct, code = "E0436")]
pub struct FunctionalRecordUpdateOnNonStruct {
#[primary_span]
pub span: Span,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_address_of_temporary_taken, code = "E0745")]
pub struct AddressOfTemporaryTaken {
#[primary_span]
#[label]
pub span: Span,
}
#[derive(Subdiagnostic)]
pub enum AddReturnTypeSuggestion {
#[suggestion(
hir_typeck_add_return_type_add,
code = "-> {found} ",
applicability = "machine-applicable"
)]
Add {
#[primary_span]
span: Span,
found: String,
},
#[suggestion(
hir_typeck_add_return_type_missing_here,
code = "-> _ ",
applicability = "has-placeholders"
)]
MissingHere {
#[primary_span]
span: Span,
},
}
#[derive(Subdiagnostic)]
pub enum ExpectedReturnTypeLabel<'tcx> {
#[label(hir_typeck_expected_default_return_type)]
Unit {
#[primary_span]
span: Span,
},
#[label(hir_typeck_expected_return_type)]
Other {
#[primary_span]
span: Span,
expected: Ty<'tcx>,
},
}
#[derive(Diagnostic)]
#[diag(hir_typeck_missing_parentheses_in_range, code = "E0689")]
pub struct MissingParentheseInRange {
#[primary_span]
#[label(hir_typeck_missing_parentheses_in_range)]
pub span: Span,
pub ty_str: String,
pub method_name: String,
#[subdiagnostic]
pub add_missing_parentheses: Option<AddMissingParenthesesInRange>,
}
#[derive(Subdiagnostic)]
#[multipart_suggestion(
hir_typeck_add_missing_parentheses_in_range,
style = "verbose",
applicability = "maybe-incorrect"
)]
pub struct AddMissingParenthesesInRange {
pub func_name: String,
#[suggestion_part(code = "(")]
pub left: Span,
#[suggestion_part(code = ")")]
pub right: Span,
}
#[derive(Diagnostic)]
#[diag(hir_typeck_op_trait_generic_params)]
pub struct OpMethodGenericParams {
#[primary_span]
pub span: Span,
pub method_name: String,
}
pub struct TypeMismatchFruTypo {
/// Span of the LHS of the range
pub expr_span: Span,
/// Span of the `..RHS` part of the range
pub fru_span: Span,
/// Rendered expression of the RHS of the range
pub expr: Option<String>,
}
impl AddToDiagnostic for TypeMismatchFruTypo {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.set_arg("expr", self.expr.as_deref().unwrap_or("NONE"));
// Only explain that `a ..b` is a range if it's split up
if self.expr_span.between(self.fru_span).is_empty() {
diag.span_note(
self.expr_span.to(self.fru_span),
rustc_errors::fluent::hir_typeck_fru_note,
);
} else {
let mut multispan: MultiSpan = vec![self.expr_span, self.fru_span].into();
multispan.push_span_label(self.expr_span, rustc_errors::fluent::hir_typeck_fru_expr);
multispan.push_span_label(self.fru_span, rustc_errors::fluent::hir_typeck_fru_expr2);
diag.span_note(multispan, rustc_errors::fluent::hir_typeck_fru_note);
}
diag.span_suggestion(
self.expr_span.shrink_to_hi(),
rustc_errors::fluent::hir_typeck_fru_suggestion,
", ",
Applicability::MaybeIncorrect,
);
}
}
|
