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-rw-r--r--compiler/rustc_parse/src/parser/expr.rs38
1 files changed, 16 insertions, 22 deletions
diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index e1e6b93abf3..83df18ae286 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -637,9 +637,7 @@ impl<'a> Parser<'a> {
     /// Returns the span of expr if it was not interpolated, or the span of the interpolated token.
     fn interpolated_or_expr_span(&self, expr: &Expr) -> Span {
         match self.prev_token.kind {
-            TokenKind::NtIdent(..) | TokenKind::NtLifetime(..) | TokenKind::Interpolated(..) => {
-                self.prev_token.span
-            }
+            TokenKind::NtIdent(..) | TokenKind::NtLifetime(..) => self.prev_token.span,
             TokenKind::CloseDelim(Delimiter::Invisible(InvisibleOrigin::MetaVar(_))) => {
                 // `expr.span` is the interpolated span, because invisible open
                 // and close delims both get marked with the same span, one
@@ -1386,15 +1384,7 @@ impl<'a> Parser<'a> {
         maybe_recover_from_interpolated_ty_qpath!(self, true);
 
         let span = self.token.span;
-        if let token::Interpolated(nt) = &self.token.kind {
-            match &**nt {
-                token::NtBlock(block) => {
-                    let block = block.clone();
-                    self.bump();
-                    return Ok(self.mk_expr(self.prev_token.span, ExprKind::Block(block, None)));
-                }
-            };
-        } else if let Some(expr) = self.eat_metavar_seq_with_matcher(
+        if let Some(expr) = self.eat_metavar_seq_with_matcher(
             |mv_kind| matches!(mv_kind, MetaVarKind::Expr { .. }),
             |this| {
                 // Force collection (as opposed to just `parse_expr`) is required to avoid the
@@ -1415,9 +1405,13 @@ impl<'a> Parser<'a> {
             self.eat_metavar_seq(MetaVarKind::Literal, |this| this.parse_literal_maybe_minus())
         {
             return Ok(lit);
-        } else if let Some(path) = self.eat_metavar_seq(MetaVarKind::Path, |this| {
-            this.collect_tokens_no_attrs(|this| this.parse_path(PathStyle::Type))
-        }) {
+        } else if let Some(block) =
+            self.eat_metavar_seq(MetaVarKind::Block, |this| this.parse_block())
+        {
+            return Ok(self.mk_expr(span, ExprKind::Block(block, None)));
+        } else if let Some(path) =
+            self.eat_metavar_seq(MetaVarKind::Path, |this| this.parse_path(PathStyle::Type))
+        {
             return Ok(self.mk_expr(span, ExprKind::Path(None, path)));
         }
 
@@ -1671,7 +1665,7 @@ impl<'a> Parser<'a> {
         } else if self.eat_keyword(exp!(Loop)) {
             self.parse_expr_loop(label, lo)
         } else if self.check_noexpect(&token::OpenDelim(Delimiter::Brace))
-            || self.token.is_whole_block()
+            || self.token.is_metavar_block()
         {
             self.parse_expr_block(label, lo, BlockCheckMode::Default)
         } else if !ate_colon
@@ -2349,7 +2343,7 @@ impl<'a> Parser<'a> {
             }
         }
 
-        if self.token.is_whole_block() {
+        if self.token.is_metavar_block() {
             self.dcx().emit_err(errors::InvalidBlockMacroSegment {
                 span: self.token.span,
                 context: lo.to(self.token.span),
@@ -2472,7 +2466,7 @@ impl<'a> Parser<'a> {
         if self.may_recover()
             && self.token.can_begin_expr()
             && !matches!(self.token.kind, TokenKind::OpenDelim(Delimiter::Brace))
-            && !self.token.is_whole_block()
+            && !self.token.is_metavar_block()
         {
             let snapshot = self.create_snapshot_for_diagnostic();
             let restrictions =
@@ -3519,7 +3513,7 @@ impl<'a> Parser<'a> {
         self.token.is_keyword(kw::Do)
             && self.is_keyword_ahead(1, &[kw::Catch])
             && self
-                .look_ahead(2, |t| *t == token::OpenDelim(Delimiter::Brace) || t.is_whole_block())
+                .look_ahead(2, |t| *t == token::OpenDelim(Delimiter::Brace) || t.is_metavar_block())
             && !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL)
     }
 
@@ -3530,7 +3524,7 @@ impl<'a> Parser<'a> {
     fn is_try_block(&self) -> bool {
         self.token.is_keyword(kw::Try)
             && self
-                .look_ahead(1, |t| *t == token::OpenDelim(Delimiter::Brace) || t.is_whole_block())
+                .look_ahead(1, |t| *t == token::OpenDelim(Delimiter::Brace) || t.is_metavar_block())
             && self.token_uninterpolated_span().at_least_rust_2018()
     }
 
@@ -3564,12 +3558,12 @@ impl<'a> Parser<'a> {
                 // `async move {`
                 self.is_keyword_ahead(lookahead + 1, &[kw::Move, kw::Use])
                     && self.look_ahead(lookahead + 2, |t| {
-                        *t == token::OpenDelim(Delimiter::Brace) || t.is_whole_block()
+                        *t == token::OpenDelim(Delimiter::Brace) || t.is_metavar_block()
                     })
             ) || (
                 // `async {`
                 self.look_ahead(lookahead + 1, |t| {
-                    *t == token::OpenDelim(Delimiter::Brace) || t.is_whole_block()
+                    *t == token::OpenDelim(Delimiter::Brace) || t.is_metavar_block()
                 })
             ))
     }