bjoernager/rust
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Simplify AllKeywords.

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It's a verbose reinvention of a range type, and can be cut down a lot.
This commit is contained in:
Nicholas Nethercote 2024-12-13 20:54:36 +11:00
parent 37e74596c0
commit 64abe8be33
2 changed files with 17 additions and 39 deletions
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4
compiler/rustc_parse/src/parser/diagnostics.rs
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@ -22,7 +22,7 @@ use rustc_errors::{
use rustc_session::errors::ExprParenthesesNeeded;
use rustc_span::edit_distance::find_best_match_for_name;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::AllKeywords;
use rustc_span::symbol::used_keywords;
use rustc_span::{BytePos, DUMMY_SP, Ident, Span, SpanSnippetError, Symbol, kw, sym};
use thin_vec::{ThinVec, thin_vec};
use tracing::{debug, trace};
@ -811,7 +811,7 @@ impl<'a> Parser<'a> {
// so that it gets generated only when the diagnostic needs it.
// Also, it is unlikely that this list is generated multiple times because the
// parser halts after execution hits this path.
let all_keywords = AllKeywords::new().collect_used(|| prev_ident.span.edition());
let all_keywords = used_keywords(|| prev_ident.span.edition());
// Otherwise, check the previous token with all the keywords as possible candidates.
// This handles code like `Struct Human;` and `While a < b {}`.