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Improve natvis for llvm::SmallString so that it correctly displays only the valid portion of the string

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The usual method, and the one employed before my change, of displaying strings in natvis is to make use of the "<variable>,s" format specifier; however, this method only works for null-terminated strings. My fix here is to use the "<pointer>,[size]" format specifier to display a bounded array, and then cast it to "const char*", which in the MSVC debugger has the desired effect of rendering the character array as a string.

Differential Revision: https://reviews.llvm.org/D27972

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290224 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Antonio Maiorano 2016-12-21 01:05:29 +00:00
parent 389d8dff49
commit a7e8ae4b08
1 changed files with 2 additions and 2 deletions
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4
utils/LLVMVisualizers/llvm.natvis
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@ -56,8 +56,8 @@ For later versions of Visual Studio, no setup is required.
</Expand>
</Type>
<Type Name="llvm::SmallString&lt;*&gt;">
<DisplayString>{BeginX,s}</DisplayString>
<StringView>BeginX,s</StringView>
<DisplayString>{(const char*)BeginX,[(char*)EndX - (char*)BeginX] na}</DisplayString>
<StringView>(const char*)BeginX,[(char*)EndX - (char*)BeginX]</StringView>
<Expand>
<Item Name="[size]">(char*)EndX - (char*)BeginX</Item>
<Item Name="[capacity]">(char*)CapacityX - (char*)BeginX</Item>