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added boost_bloom.natvis (#6)

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* added boost_bloom.natvis

* removed ExcludeView attributes

* added capacity as an item plus a view to the array

* fixed allocator type

* used Synthetic for [array]
This commit is contained in:
joaquintides
2025-05-06 16:13:58 +02:00
committed by GitHub
parent 1ee2f59ba3
commit fabc8698c1
3 changed files with 57 additions and 0 deletions
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9
doc/bloom/tutorial.adoc
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@@ -236,3 +236,12 @@ Note that `array()` is a span over `unsigned char`+++s+++ whereas
capacities are measured in bits, so `array.size()` is
`capacity() / CHAR_BIT`.
== Debugging
=== Visual Studio Natvis
Add the link:../../extra/boost_bloom.natvis[`boost_bloom.natvis`^] visualizer
to your project to allow for user-friendly inspection of `boost::bloom::filter`+++s+++.
image::natvis.png[align=center, title="View of a `boost::bloom::filter` with `boost_bloom.natvis`."]

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extra/boost_bloom.natvis Normal file
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@@ -0,0 +1,48 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2025 Joaquin M Lopez Munoz.
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
See https://www.boost.org/libs/bloom for library home page.
-->
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<Type Name="boost::bloom::filter&lt;*&gt;" Inheritable="false">
<Intrinsic Name="core" Expression="*static_cast&lt;super*&gt;(this)" />
<Intrinsic Name="has_array" Expression="core().ar.data!=nullptr" />
<Intrinsic Name="data" Expression="has_array()?core().ar.buckets:nullptr" />
<Intrinsic
Name="array_size"
Expression="
has_array()?
core().hs.rng*super::bucket_size+(super::used_value_size-super::bucket_size):
0"
/>
<Intrinsic Name="capacity" Expression="array_size()*8" />
<DisplayString>{{ capacity={capacity()} }}</DisplayString>
<Expand>
<Item Name="[hash_function]">
*reinterpret_cast&lt;hasher*&gt;(static_cast&lt;hash_base*&gt;(this))
</Item>
<Item Name="[allocator]">
*reinterpret_cast&lt;super::allocator_type*&gt;(static_cast&lt;super::allocator_base*&gt;(this))
</Item>
<Item Name="[capacity]">
capacity()
</Item>
<Synthetic Name="[array]">
<DisplayString>{{ data={(void*)data()} size={array_size()} }}</DisplayString>
<Expand>
<ArrayItems>
<Size>array_size()</Size>
<ValuePointer>data()</ValuePointer>
</ArrayItems>
</Expand>
</Synthetic>
</Expand>
</Type>
</AutoVisualizer>