diff options
Diffstat (limited to 'compiler/rustc_expand/src/mbe/diagnostics.rs')
| -rw-r--r-- | compiler/rustc_expand/src/mbe/diagnostics.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index e06037564..8f80e6e29 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -34,7 +34,7 @@ pub(super) fn failed_to_match_macro<'cx>( if try_success_result.is_ok() { // Nonterminal parser recovery might turn failed matches into successful ones, // but for that it must have emitted an error already - tracker.cx.sess.delay_span_bug(sp, "Macro matching returned a success on the second try"); + tracker.cx.sess.span_delayed_bug(sp, "Macro matching returned a success on the second try"); } if let Some(result) = tracker.result { @@ -67,6 +67,12 @@ pub(super) fn failed_to_match_macro<'cx>( && (matches!(expected_token.kind, TokenKind::Interpolated(_)) || matches!(token.kind, TokenKind::Interpolated(_))) { + if let TokenKind::Interpolated(node) = &expected_token.kind { + err.span_label(node.1, ""); + } + if let TokenKind::Interpolated(node) = &token.kind { + err.span_label(node.1, ""); + } err.note("captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens"); err.note("see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information"); @@ -145,7 +151,7 @@ impl<'a, 'cx, 'matcher> Tracker<'matcher> for CollectTrackerAndEmitter<'a, 'cx, Success(_) => { // Nonterminal parser recovery might turn failed matches into successful ones, // but for that it must have emitted an error already - self.cx.sess.delay_span_bug( + self.cx.sess.span_delayed_bug( self.root_span, "should not collect detailed info for successful macro match", ); |