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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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17
crates/hir-ty/src/mir/eval.rs
View file

@ -23,7 +23,7 @@ use rustc_apfloat::{
Float,
};
use rustc_hash::{FxHashMap, FxHashSet};
use span::FileId;
use span::{Edition, FileId};
use stdx::never;
use syntax::{SyntaxNodePtr, TextRange};
use triomphe::Arc;
@ -358,6 +358,7 @@ impl MirEvalError {
f: &mut String,
db: &dyn HirDatabase,
span_formatter: impl Fn(FileId, TextRange) -> String,
edition: Edition,
) -> std::result::Result<(), std::fmt::Error> {
writeln!(f, "Mir eval error:")?;
let mut err = self;
@ -370,7 +371,7 @@ impl MirEvalError {
writeln!(
f,
"In function {} ({:?})",
function_name.name.display(db.upcast()),
function_name.name.display(db.upcast(), edition),
func
)?;
}
@ -415,7 +416,7 @@ impl MirEvalError {
write!(
f,
"Layout for type `{}` is not available due {err:?}",
ty.display(db).with_closure_style(ClosureStyle::ClosureWithId)
ty.display(db, edition).with_closure_style(ClosureStyle::ClosureWithId)
)?;
}
MirEvalError::MirLowerError(func, err) => {
@ -423,16 +424,17 @@ impl MirEvalError {
writeln!(
f,
"MIR lowering for function `{}` ({:?}) failed due:",
function_name.name.display(db.upcast()),
function_name.name.display(db.upcast(), edition),
func
)?;
err.pretty_print(f, db, span_formatter)?;
err.pretty_print(f, db, span_formatter, edition)?;
}
MirEvalError::ConstEvalError(name, err) => {
MirLowerError::ConstEvalError((**name).into(), err.clone()).pretty_print(
f,
db,
span_formatter,
edition,
)?;
}
MirEvalError::UndefinedBehavior(_)
@ -2675,10 +2677,11 @@ impl Evaluator<'_> {
let db = self.db.upcast();
let loc = variant.lookup(db);
let enum_loc = loc.parent.lookup(db);
let edition = self.db.crate_graph()[self.crate_id].edition;
let name = format!(
"{}::{}",
enum_loc.id.item_tree(db)[enum_loc.id.value].name.display(db.upcast()),
loc.id.item_tree(db)[loc.id.value].name.display(db.upcast()),
enum_loc.id.item_tree(db)[enum_loc.id.value].name.display(db.upcast(), edition),
loc.id.item_tree(db)[loc.id.value].name.display(db.upcast(), edition),
);
Err(MirEvalError::ConstEvalError(name, Box::new(e)))
}