Show members of DeclContexts (i.e., class members) in Visual Studio native visualizers

This change shows members of DeclContext objects in the Visual Studio debugger. It will also cast a TagType like a class or a struct to a DeclContext, so its methods and fields are visualized. 

llvm-svn: 263794

1 files changed, 28 insertions, 1 deletions

diff --git a/clang/utils/clang.natvis b/clang/utils/clang.natvis
index ef20a211ebc..cb7b01d2e26 100644
--- a/clang/utils/clang.natvis
+++ b/clang/utils/clang.natvis
@@ -73,6 +73,31 @@ or create a symbolic link so it updates automatically.
   <Type Name="clang::AttributedType">

     <DisplayString>{ModifiedType} Attribute={(clang::AttributedType::Kind)AttributedTypeBits.AttrKind}</DisplayString>

   </Type>

+  

+  <!-- Unfortunately, Visual Studio has trouble seeing the PointerBitMask member PointerIntUnion, so I hardwire it to 2 bits-->

+  <Type Name="clang::DeclContext">

+    <DisplayString>{(clang::Decl::Kind)DeclKind,en}Decl</DisplayString>

+    <Expand>

+      <Item Name="DeclKind">(clang::Decl::Kind)DeclKind,en</Item>

+      <LinkedListItems>

+        <HeadPointer>FirstDecl</HeadPointer>

+        <NextPointer>(clang::Decl *)(NextInContextAndBits.Value &amp; ~3)</NextPointer>

+        <ValueNode>*this</ValueNode>

+      </LinkedListItems>

+    </Expand>

+  </Type>

+  <Type Name="clang::FieldDecl">

+    <DisplayString>Field {{{*(clang::NamedDecl *)this,view(cpp)nd}}}</DisplayString>

+  </Type>

+  <Type Name="clang::CXXMethodDecl">

+    <DisplayString>Method {{{*(clang::NamedDecl *)this,view(cpp)nd}}}</DisplayString>

+  </Type>

+  <Type Name="clang::CXXConstructorDecl">

+    <DisplayString>Constructor {{{*(clang::NamedDecl *)this,view(cpp)nd}}}</DisplayString>

+  </Type>

+  <Type Name="clang::CXXDestructorDecl">

+    <DisplayString>Destructor {{{*(clang::NamedDecl *)this,view(cpp)nd}}}</DisplayString>

+  </Type>

   <Type Name="clang::NamedDecl" >

     <DisplayString IncludeView="cpp">{Name,view(cpp)}</DisplayString>

     <DisplayString>{Name}</DisplayString>

@@ -83,6 +108,9 @@ or create a symbolic link so it updates automatically.
     <DisplayString Condition="TagDeclKind==clang::TagTypeKind::TTK_Union">union {Name,view(cpp)}</DisplayString>

     <DisplayString Condition="TagDeclKind==clang::TagTypeKind::TTK_Class">class {Name,view(cpp)}</DisplayString>

     <DisplayString Condition="TagDeclKind==clang::TagTypeKind::TTK_Enum">enum {Name,view(cpp)}</DisplayString>

+    <Expand>

+      <ExpandedItem>(clang::DeclContext *)this</ExpandedItem>

+    </Expand>

   </Type>

   <Type Name="clang::TagType">

     <DisplayString>{*decl}</DisplayString>

@@ -97,7 +125,6 @@ or create a symbolic link so it updates automatically.
       <Item Name="TagType">*(clang::TagType *)this</Item>

     </Expand>

   </Type>

-

   <Type Name="clang::SubstTemplateTypeParmType">

     <DisplayString>{*Replaced,view(cpp)} &lt;= {CanonicalType,view(cpp)}</DisplayString>

     <Expand>