From 185c2ee19b0f5ad45f0a1eb561f508a14583e2e0 Mon Sep 17 00:00:00 2001
From: Lutz Justen <ljusten@google.com>
Date: Fri, 3 Feb 2023 10:42:11 +0100
Subject: [PATCH] Add Natvis for absl::flat_hash_map (#92)

---
 absl.natvis        | 31 +++++++++++++++++++++++++++++++
 all_files.vcxitems |  1 +
 2 files changed, 32 insertions(+)
 create mode 100644 absl.natvis

diff --git a/absl.natvis b/absl.natvis
new file mode 100644
index 0000000..7ce850b
--- /dev/null
+++ b/absl.natvis
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
+  <Type Name="absl::flat_hash_map&lt;*&gt;">
+    <DisplayString Condition="size_ == 0">empty</DisplayString>
+    <DisplayString>{{ size={size_} }}</DisplayString>
+    <Expand>
+      <Item Name="[size]" ExcludeView="simple">size_</Item>
+      <Item Name="[capacity]" ExcludeView="simple">capacity_</Item>
+      <CustomListItems MaxItemsPerView="5000">
+        <Variable Name="iSlot" InitialValue="0" />
+        <Size>size_</Size>
+        <Loop>
+          <!-- bool IsFull(ctrl_t c) { return c >= 0; } -->
+          <If Condition="ctrl_[iSlot] &gt;= 0">
+            <Item>slots_[iSlot]</Item>
+          </If>
+          <Exec>iSlot++</Exec>
+          <Break Condition="iSlot == capacity_" />
+        </Loop>
+      </CustomListItems>
+    </Expand>
+  </Type>
+  <Type Name="absl::container_internal::map_slot_type&lt;*&gt;">
+    <DisplayString>{value.first}:{value.second}</DisplayString>
+    <Expand>
+      <Item Name="[key]" ExcludeView="simple">value.first</Item>
+      <Item Name="[value]" ExcludeView="simple">value.second</Item>
+    </Expand>
+  </Type>
+</AutoVisualizer>
\ No newline at end of file
diff --git a/all_files.vcxitems b/all_files.vcxitems
index 27a5a22..985c78c 100644
--- a/all_files.vcxitems
+++ b/all_files.vcxitems
@@ -301,6 +301,7 @@
     <None Include="$(MSBuildThisFileDirectory)WORKSPACE" />
   </ItemGroup>
   <ItemGroup>
+    <Natvis Include="$(MSBuildThisFileDirectory)absl.natvis" />
     <Natvis Include="$(MSBuildThisFileDirectory)manifest.natvis" />
     <Natvis Include="$(MSBuildThisFileDirectory)protobuf.natvis" />
   </ItemGroup>