bjoernager/rust
bjoernager/rust
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remove pat2021

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This commit is contained in:
mark 2021-04-27 21:15:59 -05:00
parent 3f7b98ebe0
commit 2a9db919ff
14 changed files with 35 additions and 80 deletions
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8
compiler/rustc_parse/src/parser/nonterminal.rs
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@ -61,7 +61,7 @@ impl<'a> Parser<'a> {
},
_ => false,
},
NonterminalKind::PatParam { .. } | NonterminalKind::Pat2021 { .. } => {
NonterminalKind::PatParam { .. } | NonterminalKind::PatWithOr { .. } => {
match token.kind {
token::Ident(..) | // box, ref, mut, and other identifiers (can stricten)
token::OpenDelim(token::Paren) | // tuple pattern
@ -76,7 +76,7 @@ impl<'a> Parser<'a> {
token::Lt | // path (UFCS constant)
token::BinOp(token::Shl) => true, // path (double UFCS)
// leading vert `|` or-pattern
token::BinOp(token::Or) => matches!(kind, NonterminalKind::Pat2021 {..}),
token::BinOp(token::Or) => matches!(kind, NonterminalKind::PatWithOr {..}),
token::Interpolated(ref nt) => may_be_ident(nt),
_ => false,
}
@ -120,10 +120,10 @@ impl<'a> Parser<'a> {
return Err(self.struct_span_err(self.token.span, "expected a statement"));
}
},
NonterminalKind::PatParam { .. } | NonterminalKind::Pat2021 { .. } => {
NonterminalKind::PatParam { .. } | NonterminalKind::PatWithOr { .. } => {
token::NtPat(self.collect_tokens_no_attrs(|this| match kind {
NonterminalKind::PatParam { .. } => this.parse_pat_no_top_alt(None),
NonterminalKind::Pat2021 { .. } => {
NonterminalKind::PatWithOr { .. } => {
this.parse_pat_allow_top_alt(None, RecoverComma::No)
}
_ => unreachable!(),