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Properly account for editions in names

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This PR touches a lot of parts. But the main changes are changing
`hir_expand::Name` to be raw edition-dependently and only when necessary
(unrelated to how the user originally wrote the identifier),
and changing `is_keyword()` and `is_raw_identifier()` to be edition-aware
(this was done in #17896, but the FIXMEs were fixed here).

It is possible that I missed some cases, but most IDE parts should properly
escape (or not escape) identifiers now.

The rules of thumb are:

 - If we show the identifier to the user, its rawness should be determined
   by the edition of the edited crate. This is nice for IDE features,
   but really important for changes we insert to the source code.
 - For tests, I chose `Edition::CURRENT` (so we only have to (maybe) update
   tests when an edition becomes stable, to avoid churn).
 - For debugging tools (helper methods and logs), I used `Edition::LATEST`.
This commit is contained in:
Chayim Refael Friedman 2024-08-16 02:36:24 +03:00
parent 91aa3f46b3
commit 9d3368f2c2
179 changed files with 2485 additions and 1250 deletions
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9
crates/ide-completion/src/context.rs
View file

@ -437,6 +437,7 @@ pub(crate) struct CompletionContext<'a> {
pub(crate) module: hir::Module,
/// Whether nightly toolchain is used. Cached since this is looked up a lot.
is_nightly: bool,
pub(crate) edition: Edition,
/// The expected name of what we are completing.
/// This is usually the parameter name of the function argument we are completing.
@ -467,9 +468,9 @@ impl CompletionContext<'_> {
cov_mark::hit!(completes_if_lifetime_without_idents);
TextRange::at(self.original_token.text_range().start(), TextSize::from(1))
}
IDENT | LIFETIME_IDENT | UNDERSCORE | INT_NUMBER => self.original_token.text_range(),
// FIXME: Edition
_ if kind.is_keyword(Edition::CURRENT) => self.original_token.text_range(),
LIFETIME_IDENT | UNDERSCORE | INT_NUMBER => self.original_token.text_range(),
// We want to consider all keywords in all editions.
_ if kind.is_any_identifier() => self.original_token.text_range(),
_ => TextRange::empty(self.position.offset),
}
}
@ -717,6 +718,7 @@ impl<'a> CompletionContext<'a> {
let krate = scope.krate();
let module = scope.module();
let edition = krate.edition(db);
let toolchain = db.toolchain_channel(krate.into());
// `toolchain == None` means we're in some detached files. Since we have no information on
@ -743,6 +745,7 @@ impl<'a> CompletionContext<'a> {
krate,
module,
is_nightly,
edition,
expected_name,
expected_type,
qualifier_ctx,