From 1a5d52404e0f8f0b74acc4497337231c9db2f8dc Mon Sep 17 00:00:00 2001
From: Mihnea Magheru <sakuntalle@yahoo.com>
Date: Sun, 27 Sep 2026 14:51:37 +0200
Subject: [PATCH] Add a type in the natvis template for
 detail::json_default_base

Signed-off-by: Mihnea Magheru <sakuntalle@yahoo.com>
---
 tools/generate_natvis/nlohmann_json.natvis.j2 | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tools/generate_natvis/nlohmann_json.natvis.j2 b/tools/generate_natvis/nlohmann_json.natvis.j2
index c3eafa54b..ff62dd32f 100644
--- a/tools/generate_natvis/nlohmann_json.natvis.j2
+++ b/tools/generate_natvis/nlohmann_json.natvis.j2
@@ -36,5 +36,25 @@
         </Expand>
     </Type>
 
+    <Type Name="{{ ns }}::detail::json_default_base">
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::null">null</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::object">{*(m_data.m_value.object)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::array">{*(m_data.m_value.array)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::string">{*(m_data.m_value.string)}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::boolean">{m_data.m_value.boolean}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::number_integer">{m_data.m_value.number_integer}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::number_unsigned">{m_data.m_value.number_unsigned}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::number_float">{m_data.m_value.number_float}</DisplayString>
+        <DisplayString Condition="m_data.m_type == {{ ns }}::detail::value_t::discarded">discarded</DisplayString>
+        <Expand>
+            <ExpandedItem Condition="m_data.m_type == {{ ns }}::detail::value_t::object">
+            *(m_data.m_value.object),view(simple)
+            </ExpandedItem>
+            <ExpandedItem Condition="m_data.m_type == {{ ns }}::detail::value_t::array">
+            *(m_data.m_value.array),view(simple)
+            </ExpandedItem>
+        </Expand>
+    </Type>
+
 {% endfor %}
 </AutoVisualizer>