From 0432aa0ed7be3f41d41928499abc688a956214cf Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Thu, 26 Nov 2020 20:09:54 +0100
Subject: Publish diagnostics for macro expansion errors

---
 crates/ide/src/diagnostics.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'crates/ide/src')

diff --git a/crates/ide/src/diagnostics.rs b/crates/ide/src/diagnostics.rs
index 3df73ed4f..8b4ceb9a1 100644
--- a/crates/ide/src/diagnostics.rs
+++ b/crates/ide/src/diagnostics.rs
@@ -142,6 +142,13 @@ pub(crate) fn diagnostics(
                     .with_code(Some(d.code())),
             );
         })
+        .on::<hir::diagnostics::UnresolvedProcMacro, _>(|d| {
+            // FIXME: it would be nice to tell the user whether proc macros are currently disabled
+            res.borrow_mut().push(
+                Diagnostic::hint(sema.diagnostics_display_range(d).range, d.message())
+                    .with_code(Some(d.code())),
+            );
+        })
         // Only collect experimental diagnostics when they're enabled.
         .filter(|diag| !(diag.is_experimental() && config.disable_experimental))
         .filter(|diag| !config.disabled.contains(diag.code().as_str()));
-- 
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