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Rollup merge of #94030 - ChayimFriedman2:issue-94010, r=petrochenkov

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Correctly mark the span of captured arguments in `format_args!()`

It should not include the braces, or misspelling suggestions will be wrong.

Fixes #94010.
This commit is contained in:
Matthias Krüger 2022-02-17 06:30:02 +01:00 • committed by GitHub
commit a1a750b5ad
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15 changed files with 105 additions and 74 deletions
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16
compiler/rustc_trait_selection/src/traits/on_unimplemented.rs
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@ -309,23 +309,23 @@ impl<'tcx> OnUnimplementedFormatString {
Piece::String(_) => (), // Normal string, no need to check it
Piece::NextArgument(a) => match a.position {
// `{Self}` is allowed
Position::ArgumentNamed(s) if s == kw::SelfUpper => (),
Position::ArgumentNamed(s, _) if s == kw::SelfUpper => (),
// `{ThisTraitsName}` is allowed
Position::ArgumentNamed(s) if s == name => (),
Position::ArgumentNamed(s, _) if s == name => (),
// `{from_method}` is allowed
Position::ArgumentNamed(s) if s == sym::from_method => (),
Position::ArgumentNamed(s, _) if s == sym::from_method => (),
// `{from_desugaring}` is allowed
Position::ArgumentNamed(s) if s == sym::from_desugaring => (),
Position::ArgumentNamed(s, _) if s == sym::from_desugaring => (),
// `{ItemContext}` is allowed
Position::ArgumentNamed(s) if s == sym::ItemContext => (),
Position::ArgumentNamed(s, _) if s == sym::ItemContext => (),
// `{integral}` and `{integer}` and `{float}` are allowed
Position::ArgumentNamed(s)
Position::ArgumentNamed(s, _)
if s == sym::integral || s == sym::integer_ || s == sym::float =>
{
()
}
// So is `{A}` if A is a type parameter
Position::ArgumentNamed(s) => {
Position::ArgumentNamed(s, _) => {
match generics.params.iter().find(|param| param.name == s) {
Some(_) => (),
None => {
@ -392,7 +392,7 @@ impl<'tcx> OnUnimplementedFormatString {
.map(|p| match p {
Piece::String(s) => s,
Piece::NextArgument(a) => match a.position {
Position::ArgumentNamed(s) => match generic_map.get(&s) {
Position::ArgumentNamed(s, _) => match generic_map.get(&s) {
Some(val) => val,
None if s == name => &trait_str,
None => {