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errors: impl IntoDiagnosticArg for char

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Implements `IntoDiagnosticArg` for `char` using its `Debug`
implementation and introduces a macro for those types which just
delegate the implementation to `ToString`.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-07-11 16:28:38 +01:00
parent 116819f54f
commit 06f480661f
1 changed files with 33 additions and 77 deletions
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110
compiler/rustc_errors/src/diagnostic.rs
View file

@ -40,6 +40,34 @@ pub trait IntoDiagnosticArg {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static>;
}
macro_rules! into_diagnostic_arg_using_display {
($( $ty:ty ),+ $(,)?) => {
$(
impl IntoDiagnosticArg for $ty {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
self.to_string().into_diagnostic_arg()
}
}
)+
}
}
into_diagnostic_arg_using_display!(
i8,
u8,
i16,
u16,
i32,
u32,
i64,
u64,
i128,
u128,
std::num::NonZeroU32,
Edition,
Ident,
);
impl IntoDiagnosticArg for bool {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
if self {
@ -50,81 +78,9 @@ impl IntoDiagnosticArg for bool {
}
}
impl IntoDiagnosticArg for i8 {
impl IntoDiagnosticArg for char {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for u8 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for i16 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for u16 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for i32 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for u32 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for i64 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for u64 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for i128 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for u128 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for String {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self))
}
}
impl IntoDiagnosticArg for std::num::NonZeroU32 {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for Edition {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
DiagnosticArgValue::Str(Cow::Owned(format!("{:?}", self)))
}
}
@ -134,15 +90,15 @@ impl IntoDiagnosticArg for Symbol {
}
}
impl IntoDiagnosticArg for Ident {
impl<'a> IntoDiagnosticArg for &'a str {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
self.to_string().into_diagnostic_arg()
}
}
impl<'a> IntoDiagnosticArg for &'a str {
impl IntoDiagnosticArg for String {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
self.to_string().into_diagnostic_arg()
DiagnosticArgValue::Str(Cow::Owned(self))
}
}