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errors: AddToDiagnostic::add_to_diagnostic_with

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`AddToDiagnostic::add_to_diagnostic_with` is similar to the previous
`AddToDiagnostic::add_to_diagnostic` but takes a function that can be
used by the caller to modify diagnostic messages originating from the
subdiagnostic (such as performing translation eagerly).

`add_to_diagnostic` now just calls `add_to_diagnostic_with` with an
empty closure.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-10-03 14:09:05 +01:00
parent 508d7e6d26
commit b4ac26289f
11 changed files with 129 additions and 50 deletions
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15
compiler/rustc_ast_lowering/src/errors.rs
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@ -1,4 +1,7 @@
use rustc_errors::{fluent, AddToDiagnostic, Applicability, Diagnostic, DiagnosticArgFromDisplay};
use rustc_errors::{
fluent, AddToDiagnostic, Applicability, Diagnostic, DiagnosticArgFromDisplay,
SubdiagnosticMessage,
};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::{symbol::Ident, Span, Symbol};
@ -19,7 +22,10 @@ pub struct UseAngleBrackets {
}
impl AddToDiagnostic for UseAngleBrackets {
fn add_to_diagnostic(self, diag: &mut Diagnostic) {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.multipart_suggestion(
fluent::ast_lowering::use_angle_brackets,
vec![(self.open_param, String::from("<")), (self.close_param, String::from(">"))],
@ -69,7 +75,10 @@ pub enum AssocTyParenthesesSub {
}
impl AddToDiagnostic for AssocTyParenthesesSub {
fn add_to_diagnostic(self, diag: &mut Diagnostic) {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
match self {
Self::Empty { parentheses_span } => diag.multipart_suggestion(
fluent::ast_lowering::remove_parentheses,