bjoernager/rust
bjoernager/rust
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fix some comments

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This commit is contained in:
nx2k3 2023-02-26 16:24:08 +00:00
parent 46ea12a499
commit 13a741afac
2 changed files with 5 additions and 7 deletions
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6
compiler/rustc_parse/src/parser/diagnostics.rs
View file

@ -165,8 +165,6 @@ enum IsStandalone {
#[derive(Debug, Copy, Clone, PartialEq, Eq)] #[derive(Debug, Copy, Clone, PartialEq, Eq)]
enum IncOrDec { enum IncOrDec {
Inc, Inc,
// FIXME: `i--` recovery isn't implemented yet
// #[allow(dead_code)]
Dec, Dec,
} }
@ -1331,7 +1329,7 @@ impl<'a> Parser<'a> {
Ok(()) Ok(())
} }
#[allow(dead_code)]
pub(super) fn recover_from_prefix_increment( pub(super) fn recover_from_prefix_increment(
&mut self, &mut self,
operand_expr: P<Expr>, operand_expr: P<Expr>,
@ -1342,7 +1340,7 @@ impl<'a> Parser<'a> {
let kind = IncDecRecovery { standalone, op: IncOrDec::Inc, fixity: UnaryFixity::Pre }; let kind = IncDecRecovery { standalone, op: IncOrDec::Inc, fixity: UnaryFixity::Pre };
self.recover_from_inc_dec(operand_expr, kind, op_span) self.recover_from_inc_dec(operand_expr, kind, op_span)
} }
#[allow(dead_code)]
pub(super) fn recover_from_postfix_increment( pub(super) fn recover_from_postfix_increment(
&mut self, &mut self,
operand_expr: P<Expr>, operand_expr: P<Expr>,

6
compiler/rustc_parse/src/parser/expr.rs
View file

@ -286,7 +286,7 @@ impl<'a> Parser<'a> {
&& self.prev_token.span.between(self.token.span).is_empty() && self.prev_token.span.between(self.token.span).is_empty()
{ {
let op_span = self.prev_token.span.to(self.token.span); let op_span = self.prev_token.span.to(self.token.span);
// Eat the second `+` // Eat the second `-`
self.bump(); self.bump();
lhs = self.recover_from_postfix_decrement(lhs, op_span, starts_stmt)?; lhs = self.recover_from_postfix_decrement(lhs, op_span, starts_stmt)?;
continue; continue;
@ -602,14 +602,14 @@ impl<'a> Parser<'a> {
let operand_expr = this.parse_dot_or_call_expr(Default::default())?; let operand_expr = this.parse_dot_or_call_expr(Default::default())?;
this.recover_from_prefix_increment(operand_expr, pre_span, starts_stmt) this.recover_from_prefix_increment(operand_expr, pre_span, starts_stmt)
} }
// Recover from `++x`: // Recover from `--x`:
token::BinOp(token::Minus) token::BinOp(token::Minus)
if this.look_ahead(1, |t| *t == token::BinOp(token::Minus)) => if this.look_ahead(1, |t| *t == token::BinOp(token::Minus)) =>
{ {
let starts_stmt = this.prev_token == token::Semi let starts_stmt = this.prev_token == token::Semi
|| this.prev_token == token::CloseDelim(Delimiter::Brace); || this.prev_token == token::CloseDelim(Delimiter::Brace);
let pre_span = this.token.span.to(this.look_ahead(1, |t| t.span)); let pre_span = this.token.span.to(this.look_ahead(1, |t| t.span));
// Eat both `+`s. // Eat both `-`s.
this.bump(); this.bump();
this.bump(); this.bump();