llvm/utils/LLVMVisualizers/llvm.natvis
Zachary Turner 6efffd31d2 Add natvis visualizers for endian types.
This allows ulittle* and ubig* types to be visualized properly
in VS.

Differential Revision: http://reviews.llvm.org/D19339
Reviewed By: Aaron Ballman

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267050 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-21 20:58:41 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!--
Visual Studio Native Debugging Visualizers for LLVM
For Visual Studio 2013 only, put this file into
"%USERPROFILE%\Documents\Visual Studio 2013\Visualizers" or create a symbolic link so it updates automatically.
For later versions of Visual Studio, no setup is required.
-->
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
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<Expand>
<Item Name="[size]">($T1*)EndX - ($T1*)BeginX</Item>
<Item Name="[capacity]">($T1*)CapacityX - ($T1*)BeginX</Item>
<ArrayItems>
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<StringView>BeginX,s</StringView>
<Expand>
<Item Name="[size]">(char*)EndX - (char*)BeginX</Item>
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<ArrayItems>
<Size>(char*)EndX - (char*)BeginX</Size>
<ValuePointer>(char*)BeginX</ValuePointer>
</ArrayItems>
</Expand>
</Type>
<Type Name="llvm::StringRef">
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<StringView>Data,[Length]s</StringView>
<Expand>
<Item Name="[size]">Length</Item>
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<Size>Length</Size>
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<Expand>
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<Expand>
<LinkedListItems>
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<ValueNode>this</ValueNode>
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<Expand>
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<!-- Since we're in MSVC, we can assume that the system is little endian. Therefore
the little and native cases just require a cast. Handle this easy case first. Use
a wildcard for the second template argument (the endianness), but we will use a
specific value of 0 later on for the big endian to give it priority for being a
better match. -->
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<Item Name="[Raw Bytes]" Condition="sizeof($T1)==2">(unsigned char *)Value.buffer,2</Item>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==4">(unsigned char *)Value.buffer,4</Item>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==8">(unsigned char *)Value.buffer,8</Item>
</Expand>
</Type>
<!-- Now handle the hard case of big endian. We need to do the swizzling here, but
we need to specialize it based on the size of the value type. -->
<Type Name="llvm::support::detail::packed_endian_specific_integral&lt;*,0,1&gt;">
<DisplayString Condition="sizeof($T1)==1">{{ big endian value = {*(unsigned char *)Value.buffer} }}</DisplayString>
<DisplayString Condition="sizeof($T1)==2">{{ big endian value = {(($T1)(*(unsigned char *)Value.buffer) &lt;&lt; 8)
| ($T1)(*((unsigned char *)Value.buffer+1))} }}</DisplayString>
<DisplayString Condition="sizeof($T1)==4">{{ big endian value = {(($T1)(*(unsigned char *)Value.buffer) &lt;&lt; 24)
| (($T1)(*((unsigned char *)Value.buffer+1)) &lt;&lt; 16)
| (($T1)(*((unsigned char *)Value.buffer+2)) &lt;&lt; 8)
| ($T1)(*((unsigned char *)Value.buffer+3))} }}</DisplayString>
<DisplayString Condition="sizeof($T1)==8">{{ big endian value = {(($T1)(*(unsigned char *)Value.buffer) &lt;&lt; 56)
| (($T1)(*((unsigned char *)Value.buffer+1)) &lt;&lt; 48)
| (($T1)(*((unsigned char *)Value.buffer+2)) &lt;&lt; 40)
| (($T1)(*((unsigned char *)Value.buffer+3)) &lt;&lt; 32)
| (($T1)(*((unsigned char *)Value.buffer+4)) &lt;&lt; 24)
| (($T1)(*((unsigned char *)Value.buffer+5)) &lt;&lt; 16)
| (($T1)(*((unsigned char *)Value.buffer+6)) &lt;&lt; 8)
| ($T1)(*((unsigned char *)Value.buffer+7))} }}</DisplayString>
<Expand>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==1">(unsigned char *)Value.buffer,1</Item>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==2">(unsigned char *)Value.buffer,2</Item>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==4">(unsigned char *)Value.buffer,4</Item>
<Item Name="[Raw Bytes]" Condition="sizeof($T1)==8">(unsigned char *)Value.buffer,8</Item>
</Expand>
</Type>
</AutoVisualizer>