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72 lines
2.9 KiB
XML
72 lines
2.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2015 Scott Mansell
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All rights reserved.
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SPDX-License-Identifier: BSD-3-Clause
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-->
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<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
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<!--
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This is a re-implementation of the abstract bitfield class' algrothm (in BitField.h)
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for Visual Studio to use for pretty-printing during debugging.
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-->
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<Type Name="BitField<*,*,*>">
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<DisplayString Condition="$T2 == 1"><![CDATA[{(storage & (1 << $T1)) != 0}]]></DisplayString>
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<DisplayString><![CDATA[{(storage >> $T1) & ((1 << $T2) - 1)}]]></DisplayString>
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<Expand>
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<Item Name="Offset">$T1</Item>
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<Item Name="Size">$T2</Item>
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</Expand>
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</Type>
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<!--Specialised versions for signed types-->
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<Type Name="BitField<*,*,__int64>">
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<!-- This is what I have do to get a sign extension in this crappy natvis "language"
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Basically, we check the top bit, if it's one, we add the remaining
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bits to the smallest (most negative) number. -->
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<DisplayString Condition="(storage & (1 << ($T1 + $T2))) != 0">
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<![CDATA[{(-1 * (1 << ($T2-1))) + ((storage >> $T1) & ((1 << ($T2-1)) - 1))}]]>
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</DisplayString>
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<DisplayString><![CDATA[{(storage >> $T1) & ((1 << ($T2-1)) - 1)}]]></DisplayString>
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<Expand>
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<Item Name="Offset">$T1</Item>
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<Item Name="Size">$T2</Item>
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</Expand>
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</Type>
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<!-- Oh, and I can't do a generic match for all signed types, so these are identical to the __int64 case above
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Would be nice if std::numeric_limits<$T3>::is_signed or std::is_signed<$T3>::value worked -->
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<Type Name="BitField<*,*,__int32>">
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<DisplayString Condition="(storage & (1 << ($T1 + $T2))) != 0">
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<![CDATA[{(-1 * (1 << ($T2-1))) + ((storage >> $T1) & ((1 << ($T2-1)) - 1))}]]>
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</DisplayString>
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<DisplayString><![CDATA[{(storage >> $T1) & ((1 << ($T2-1)) - 1)}]]></DisplayString>
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<Expand>
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<Item Name="Offset">$T1</Item>
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<Item Name="Size">$T2</Item>
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</Expand>
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</Type>
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<Type Name="BitField<*,*,__int16>">
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<DisplayString Condition="(storage & (1 << ($T1 + $T2))) != 0">
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<![CDATA[{(-1 * (1 << ($T2-1))) + ((storage >> $T1) & ((1 << ($T2-1)) - 1))}]]>
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</DisplayString>
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<DisplayString><![CDATA[{(storage >> $T1) & ((1 << ($T2-1)) - 1)}]]></DisplayString>
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<Expand>
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<Item Name="Offset">$T1</Item>
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<Item Name="Size">$T2</Item>
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</Expand>
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</Type>
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<Type Name="BitField<*,*,__int8>">
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<DisplayString Condition="(storage & (1 << ($T1 + $T2))) != 0">
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<![CDATA[{(-1 * (1 << ($T2-1))) + ((storage >> $T1) & ((1 << ($T2-1)) - 1))}]]>
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</DisplayString>
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<DisplayString><![CDATA[{(storage >> $T1) & ((1 << ($T2-1)) - 1)}]]></DisplayString>
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<Expand>
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<Item Name="Offset">$T1</Item>
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<Item Name="Size">$T2</Item>
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</Expand>
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</Type>
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</AutoVisualizer>
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