From b4000fa956f00634752c1b91fc561c1b7739ecb5 Mon Sep 17 00:00:00 2001
From: Jacob Dufault <jacobdufault@gmail.com>
Date: Wed, 28 Jun 2017 23:34:04 -0700
Subject: [PATCH] Don't show code lens on include/header guards.

---
 src/command_line.cc | 8 +++++++-
 src/query.cc        | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/command_line.cc b/src/command_line.cc
index 71e21f22..4a8c5968 100644
--- a/src/command_line.cc
+++ b/src/command_line.cc
@@ -2322,7 +2322,13 @@ bool QueryDbMainLoop(
             if (var->def.is_local && !config->codeLensOnLocalVariables)
               continue;
 
-            AddCodeLens("ref", "refs", &common, ref.loc.OffsetStartColumn(0), var->uses, var->def.definition_spelling, true /*force_display*/);
+            bool force_display = true;
+            // Do not show 0 refs on macro with no uses, as it is most likely a
+            // header guard.
+            if (var->def.is_macro)
+              force_display = false;
+
+            AddCodeLens("ref", "refs", &common, ref.loc.OffsetStartColumn(0), var->uses, var->def.definition_spelling, force_display);
             break;
           }
           case SymbolKind::File:
diff --git a/src/query.cc b/src/query.cc
index 1ed0b5a1..11fc1925 100644
--- a/src/query.cc
+++ b/src/query.cc
@@ -64,6 +64,7 @@ optional<QueryVar::DefUpdate> ToQuery(const IdMap& id_map, const IndexVar::Def&
   result.variable_type = id_map.ToQuery(var.variable_type);
   result.declaring_type = id_map.ToQuery(var.declaring_type);
   result.is_local = var.is_local;
+  result.is_macro = var.is_macro;
   return result;
 }