fix: info at pattern variables

src/Lean/Elab/PatternVar.lean

@@ -255,7 +255,7 @@ where
 
   /- Check whether `stx` is a pattern variable or constructor-like (i.e., constructor or constant tagged with `[matchPattern]` attribute) -/
   processId (stx : Syntax) : M Syntax := do
-    match (← resolveId? stx "pattern" (withInfo := true)) with
+    match (← resolveId? stx "pattern") with
     | none   => processVar stx
     | some f => match f with
       | Expr.const fName _ _ =>

tests/lean/1018unknowMVarIssue.lean.expected.out

@@ -36,18 +36,15 @@ a : α
     n : <failed-to-infer-type> @ ⟨8, 2⟩-⟨10, 19⟩ @ Lean.Elab.Term.elabMatch
     x : Fam2 α β @ ⟨8, 8⟩-⟨8, 9⟩
     [.] `Fam2.any : none @ ⟨9, 4⟩-⟨9, 12⟩
-    @Fam2.any : {α : Type} → Fam2 α α @ ⟨9, 4⟩-⟨9, 12⟩
     [.] `Fam2.any : none @ ⟨9, 4⟩-⟨9, 12⟩
     @Fam2.any : {α : Type} → Fam2 α α @ ⟨9, 4⟩-⟨9, 12⟩
     [.] `Fam2.nat : none @ ⟨10, 4⟩-⟨10, 12⟩
     Fam2.nat : Nat → Fam2 Nat Nat @ ⟨10, 4⟩-⟨10, 12⟩
     [.] `n : none @ ⟨10, 13⟩-⟨10, 14⟩
     [.] `Fam2.any : none @ ⟨9, 4⟩-⟨9, 12⟩
-    @Fam2.any : {α : Type} → Fam2 α α @ ⟨9, 4⟩-⟨9, 12⟩
     [.] `Fam2.any : none @ ⟨9, 4⟩-⟨9, 12⟩
     @Fam2.any : {α : Type} → Fam2 α α @ ⟨9, 4⟩-⟨9, 12⟩
     [.] `a : none @ ⟨8, 2⟩†-⟨10, 19⟩†
-    a : α @ ⟨8, 2⟩†-⟨10, 19⟩†
     [.] `Fam2.any : some Fam2 ([mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.652]]]) ([mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.653]]]) @ ⟨9, 4⟩-⟨9, 12⟩
     [.] `a : some [mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.652]]] @ ⟨8, 2⟩†-⟨10, 19⟩†
     α (isBinder := true) : Type @ ⟨8, 2⟩†-⟨10, 19⟩†
@@ -60,7 +57,6 @@ a : α
     Fam2.nat : Nat → Fam2 Nat Nat @ ⟨10, 4⟩-⟨10, 12⟩
     [.] `n : none @ ⟨10, 13⟩-⟨10, 14⟩
     [.] `a : none @ ⟨8, 2⟩†-⟨10, 19⟩†
-    a : α @ ⟨8, 2⟩†-⟨10, 19⟩†
     [.] `Fam2.nat : some Fam2 ([mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.684]]]) ([mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.685]]]) @ ⟨10, 4⟩-⟨10, 12⟩
     [.] `n : some Nat @ ⟨10, 13⟩-⟨10, 14⟩
     [.] `a : some [mdata _patWithRef: [mdata _inaccessible:1 [mdata _patWithRef: ?_uniq.684]]] @ ⟨8, 2⟩†-⟨10, 19⟩†

tests/lean/interactive/highlight.lean

@@ -48,3 +48,9 @@ example : Nat := Id.run do
     y := 1
   return y  -- TODO: definition should be first `y`
        --^ textDocument/documentHighlight
+
+example (x : Option Nat) : Nat :=
+  match x with
+  | some x => 1
+       --^ textDocument/documentHighlight
+  | none   => 0

tests/lean/interactive/highlight.lean.expected.out

@@ -116,3 +116,8 @@
  {"range":
   {"start": {"line": 48, "character": 9}, "end": {"line": 48, "character": 10}},
   "kind": 1}]
+{"textDocument": {"uri": "file://highlight.lean"},
+ "position": {"line": 53, "character": 9}}
+[{"range":
+  {"start": {"line": 53, "character": 9}, "end": {"line": 53, "character": 10}},
+  "kind": 1}]