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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2015 Scott Mansell
All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
-->
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<!--
This is a re-implementation of the abstract bitfield class' algrothm (in BitField.h)
for Visual Studio to use for pretty-printing during debugging.
-->
<Type Name="BitField<*,*,*,*>">
<DisplayString><![CDATA[{($T3)((storage >> $T1) & ((1 << $T2) - 1))}]]></DisplayString>
<Expand>
<Item Name="Offset">$T1</Item>
<Item Name="Size">$T2</Item>
</Expand>
</Type>
<!-- Similar re-implementation for BitFieldArray -->
<Type Name="BitFieldArray<*,*,*,*,*>">
<Expand>
<IndexListItems>
<Size>$T3</Size>
<ValueNode><![CDATA[($T4)((storage >> ($T1 + $T2*$i)) & ((1 << $T2) - 1))]]></ValueNode>
</IndexListItems>
<!-- Put these after the index list, so that the index list is the main thing in the unexpanded preview -->
<Item Name="Offset">$T1</Item>
<Item Name="Size">$T2</Item>
<Item Name="Count">$T3</Item>
</Expand>
</Type>
<!--Specialised versions for signed types-->
<Type Name="BitField<*,*,signed char,*>">
<!-- It seems like we can't use s8/s16/s32/s64, nor can we use std::int8_t or the like; we have to use these names -->
<AlternativeType Name="BitField<*,*,short,*>" />
<AlternativeType Name="BitField<*,*,int,*>" />
<AlternativeType Name="BitField<*,*,long long,*>" />
<!-- This is what I have do to get a sign extension in this crappy natvis "language"
Basically, we check the top bit, if it's one, we add the remaining
bits to the smallest (most negative) number. -->
<DisplayString Condition="(storage & (1 << ($T1 + $T2 - 1))) != 0">
<![CDATA[{($T3)((-1 * (1 << ($T2-1))) + ((storage >> $T1) & ((1 << ($T2-1)) - 1)))}]]>
</DisplayString>
<DisplayString><![CDATA[{($T3)((storage >> $T1) & ((1 << ($T2-1)) - 1))}]]></DisplayString>
<Expand>
<Item Name="Offset">$T1</Item>
<Item Name="Size">$T2</Item>
</Expand>
</Type>
<Type Name="BitFieldArray<*,*,*,signed char,*>">
<AlternativeType Name="BitFieldArray<*,*,*,short,*>" />
<AlternativeType Name="BitFieldArray<*,*,*,int,*>" />
<AlternativeType Name="BitFieldArray<*,*,*,long,*>" />
<Expand>
<IndexListItems>
<Size>$T3</Size>
<ValueNode Condition="(storage & (1 << ($T1 + $T2 * $i + $T2 - 1))) != 0">
<![CDATA[($T4)((-1 * (1 << ($T2-1))) + ((storage >> ($T1 + $T2*$i)) & ((1 << ($T2-1)) - 1)))]]>
</ValueNode>
<ValueNode><![CDATA[($T4)((storage >> ($T1 + $T2*$i)) & ((1 << ($T2-1)) - 1))]]></ValueNode>
</IndexListItems>
<Item Name="Offset">$T1</Item>
<Item Name="Size">$T2</Item>
<Item Name="Count">$T3</Item>
</Expand>
</Type>
</AutoVisualizer>
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