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<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<!--
NatVis Documentation:
https://docs.microsoft.com/en-us/visualstudio/debugger/create-custom-views-of-native-objects?view=vs-2017
Boost Visualizers:
https://marketplace.visualstudio.com/items?itemName=ArkadyShapkin.CDebuggerVisualizersforVS2017
https://github.com/KindDragon/CPPDebuggerVisualizers
To load in Visual Studio, the natvis file must be in the Visual Studio project.
Note: with buildscripts/setup_spawnhost_coredump, this file should be automatically placed in the user-specific Natvis directory.
https://learn.microsoft.com/en-us/visualstudio/debugger/create-custom-views-of-native-objects?view=vs-2022#BKMK_natvis_location
To load in WinDBG, run ".nvload mongdb.natvis"
-->
<Type Name="mongo::Status">
<DisplayString Condition="_error == 0x0">OK</DisplayString>
<DisplayString>{{Error={_error,d}}}</DisplayString>
</Type>
<Type Name="mongo::StatusWith&lt;*&gt;">
<DisplayString Condition="_status._error == 0x0">{{Value={_t}}}</DisplayString>
<DisplayString Condition="_status._error != 0x0">{{Error={_status._error,d}}}</DisplayString>
<DisplayString >{_status}</DisplayString>
<Expand>
<Item Name="Status">_status</Item>
<ExpandedItem>_t</ExpandedItem>
</Expand>
</Type>
<Type Name="mongo::StringData">
<DisplayString>{_sv,s8}</DisplayString>
</Type>
<Type Name="mongo::BSONElementBinaryType">
<DisplayString>{{ binary, size={size} }}</DisplayString>
<Expand>
<Item Name="size">size</Item>
<Item Name="subtype">(mongo::BinDataType)subtype</Item>
<Item Name="data">(uint8_t*)this+5,[size]x</Item>
</Expand>
</Type>
<Type Name="mongo::BSONElementRegexType">
<DisplayString>{{ {this,s8}, {this+strlen((char*)this)+1,s8} }}</DisplayString>
<Expand>
<Item Name="pattern">(const char*)this,s8</Item>
<Item Name="options">(const char*)this+strlen((char*)this)+1,s8</Item>
</Expand>
</Type>
<Type Name="mongo::BSONElementDBRefType">
<DisplayString>{{ {this+4,[*(int32_t*)this-1]s8} }}</DisplayString>
<Expand>
<CustomListItems>
<Item Name="{this+4,[*(int32_t*)this-1]s8}">*(mongo::OID*)(this+*(int32_t*)this+4)</Item>
</CustomListItems>
</Expand>
</Type>
<Type Name="mongo::BSONElementCodeWithScopeType">
<DisplayString>{{ {this+8,[*(int32_t*)(this+4)-1]s8} }}</DisplayString>
<Expand>
<CustomListItems>
<Variable Name="Code" InitialValue="(const char*)this+4"/>
<Item Name="code">Code+4,[*(int32_t*)(Code)-1]s8</Item>
<Item Name="scope">*(mongo::BSONObjData*)(Code+*(int32_t*)(Code)+4)</Item>
</CustomListItems>
</Expand>
</Type>
<!--
It it not possible to use variables to calculate contents in the DisplayString nodes.
this+strlen((char*)&amp;name)+2: Skips over the type byte and the name with its null terminator to get to the beginning of the value
-->
<Type Name="mongo::BSONElementData">
<!-- double: { name, value } -->
<DisplayString Condition="type==1">{*(double*)((char*)this+strlen(&amp;name)+2)}</DisplayString>
<!-- string -->
<DisplayString Condition="type==2 ">{(char*)this+strlen(&amp;name)+6,[*(int32_t*)((char*)this+strlen(&amp;name)+2)-1]s8}</DisplayString>
<!-- embedded document or array -->
<DisplayString Condition="type==3 || type==4">objsize={*(int32_t*)((char*)this+strlen(&amp;name)+2)}</DisplayString>
<!-- binary, treat uuid separately -->
<DisplayString Condition="type==5 &amp;&amp; *(char*)((char*)this+strlen((char*)&amp;name)+6)!=4">binary</DisplayString>
<DisplayString Condition="type==5 &amp;&amp; *(char*)((char*)this+strlen((char*)&amp;name)+6)==4">uuid</DisplayString>
<!-- undefined -->
<DisplayString Condition="type==6">undefined</DisplayString>
<!-- ObjectId -->
<DisplayString Condition="type==7">oid</DisplayString>
<!-- bool -->
<DisplayString Condition="type==8">{*(bool*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- Date_t -->
<DisplayString Condition="type==9">{*(mongo::Date_t*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- null -->
<DisplayString Condition="type==10">null</DisplayString>
<!-- regex -->
<DisplayString Condition="type==11">regex</DisplayString>
<!-- DBRef -->
<DisplayString Condition="type==12 ">DBRef</DisplayString>
<!-- Code -->
<DisplayString Condition="type==13 ">code</DisplayString>
<!-- Symbol -->
<DisplayString Condition="type==14 ">symbol</DisplayString>
<!-- code with scope -->
<DisplayString Condition="type==15">codeWScope</DisplayString>
<!-- int32 -->
<DisplayString Condition="type==16">{*(int32_t*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- Timestamp -->
<DisplayString Condition="type==17">{*(mongo::Timestamp*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- int64 -->
<DisplayString Condition="type==18">{*(int64_t*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- Decimal128 -->
<DisplayString Condition="type==19">{*(mongo::Decimal128*)((char*)this+strlen((char*)&amp;name)+2)}</DisplayString>
<!-- MinKey/MaxKey -->
<DisplayString Condition="type==-1">MinKey</DisplayString>
<DisplayString Condition="type==0x7f">MaxKey</DisplayString>
<Expand>
<CustomListItems>
<Variable Name="DataType" InitialValue="*(signed char*)this" />
<Variable Name="DataName" InitialValue="(const char*)&amp;name"/>
<Variable Name="DataValue" InitialValue="DataName+strlen(DataName)+1"/>
<Variable Name="BinarySubType" InitialValue="*(uint8_t*)(DataValue+4)"/>
<Item Name="value" Condition="DataType==1">*(double*)DataValue</Item>
<Item Name="value" Condition="DataType==2 || DataType==13 || DataType==14">DataValue+4,[*DataValue-1]s8</Item>
<Item Name="value" Condition="DataType==3">*(mongo::BSONObjData*)DataValue</Item>
<Item Name="value" Condition="DataType==4">*(mongo::BSONArrayData*)DataValue</Item>
<Item Name="value" Condition="DataType==5 &amp;&amp; BinarySubType!=4 ">*(mongo::BSONElementBinaryType*)DataValue</Item>
<Item Name="value" Condition="DataType==5 &amp;&amp; BinarySubType==4 ">*(mongo::UUID*)(DataValue+5)</Item>
<Item Name="value" Condition="DataType==7">*(mongo::OID*)DataValue</Item>
<Item Name="value" Condition="DataType==8">*(bool*)DataValue</Item>
<Item Name="value" Condition="DataType==9">*(mongo::Date_t*)DataValue</Item>
<Item Name="value" Condition="DataType==11">*(mongo::BSONElementRegexType*)DataValue</Item>
<Item Name="value" Condition="DataType==12">*(mongo::BSONElementDBRefType*)DataValue</Item>
<Item Name="value" Condition="DataType==15">*(mongo::BSONElementCodeWithScopeType*)DataValue</Item>
<Item Name="value" Condition="DataType==16">*(int32_t*)DataValue</Item>
<Item Name="value" Condition="DataType==17">*(mongo::Timestamp*)DataValue</Item>
<Item Name="value" Condition="DataType==18">*(int64_t*)DataValue</Item>
<Item Name="value" Condition="DataType==19">*(mongo::Decimal128*)DataValue</Item>
</CustomListItems>
</Expand>
</Type>
<Type Name="mongo::BSONElement">
<!-- double: { name, value } -->
<DisplayString Condition="*(char*)_data==1">{{ {_data+1,s8}, {*(double*)((char*)_data+strlen(_data+1)+2)} }}</DisplayString>
<!-- string -->
<DisplayString Condition="*(char*)_data==2 ">{{ {_data+1,s8}, {(char*)_data+strlen(_data+1)+6,[*(int32_t*)((char*)_data+strlen(_data+1)+2)-1]s8} }}</DisplayString>
<!-- embedded document or array -->
<DisplayString Condition="*(char*)_data==3 || *(char*)_data==4">{{ {_data+1,s8}, objsize={*(int32_t*)((char*)_data+strlen(_data+1)+2)} }}</DisplayString>
<!-- binary, treat uuid separately -->
<DisplayString Condition="*(char*)_data==5 &amp;&amp; *(char*)((char*)_data+strlen((char*)_data+1)+6)!=4">{{ {_data+1,s8}, binary }}</DisplayString>
<DisplayString Condition="*(char*)_data==5 &amp;&amp; *(char*)((char*)_data+strlen((char*)_data+1)+6)==4">{{ {_data+1,s8}, uuid }}</DisplayString>
<!-- undefined -->
<DisplayString Condition="*(char*)_data==6">{{ {_data+1,s8}, undefined }}</DisplayString>
<!-- ObjectId -->
<DisplayString Condition="*(char*)_data==7">{{ {_data+1,s8}, oid }}</DisplayString>
<!-- bool -->
<DisplayString Condition="*(char*)_data==8">{{ {_data+1,s8}, {*(bool*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- Date_t -->
<DisplayString Condition="*(char*)_data==9">{{ {_data+1,s8}, {*(mongo::Date_t*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- null -->
<DisplayString Condition="*(char*)_data==10">{{ {_data+1,s8}, null }}</DisplayString>
<!-- regex -->
<DisplayString Condition="*(char*)_data==11">{{ {_data+1,s8}, regex }}</DisplayString>
<!-- DBRef -->
<DisplayString Condition="*(char*)_data==12 ">{{ {_data+1,s8}, DBRef }}</DisplayString>
<!-- Code -->
<DisplayString Condition="*(char*)_data==13 ">{{ {_data+1,s8}, code }}</DisplayString>
<!-- Symbol -->
<DisplayString Condition="*(char*)_data==14 ">{{ {_data+1,s8}, symbol }}</DisplayString>
<!-- code with scope -->
<DisplayString Condition="*(char*)_data==15">{{ {_data+1,s8}, codeWScope }}</DisplayString>
<!-- int32 -->
<DisplayString Condition="*(char*)_data==16">{{ {_data+1,s8}, {*(int32_t*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- Timestamp -->
<DisplayString Condition="*(char*)_data==17">{{ {_data+1,s8}, {*(mongo::Timestamp*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- int64 -->
<DisplayString Condition="*(char*)_data==18">{{ {_data+1,s8}, {*(int64_t*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- Decimal128 -->
<DisplayString Condition="*(char*)_data==19">{{ {_data+1,s8}, {*(mongo::Decimal128*)((char*)_data+strlen((char*)_data+1)+2)} }}</DisplayString>
<!-- MinKey/MaxKey -->
<DisplayString Condition="*(char*)_data==-1">{{ {_data+1,s8}, MinKey }}</DisplayString>
<DisplayString Condition="*(char*)_data==0x7f">{{ {_data+1,s8}, MaxKey }}</DisplayString>
<Expand>
<Item Name="name">(const char*)_data+1,s8</Item>
<Item Name="value">(const mongo::BSONElementData*)_data,na</Item>
</Expand>
</Type>
<Type Name="mongo::BSONObjData">
<DisplayString>{{ objsize={size} }}</DisplayString>
<Expand>
<CustomListItems>
<Variable Name="DataPointer" InitialValue="(const char*)this"/>
<Variable Name="ItemType" InitialValue="(int32_t)0" />
<Variable Name="ItemName" InitialValue="(const char*)nullptr" />
<Variable Name="ItemValue" InitialValue="(const char*)nullptr" />
<Exec>DataPointer += 4</Exec>
<Loop>
<Break Condition="*DataPointer == 0"/>
<Exec>ItemType=*DataPointer</Exec>
<Exec>ItemName=DataPointer+1</Exec>
<Item Name="{ItemName,s8}">(const mongo::BSONElementData*)DataPointer,na</Item>
<Exec>DataPointer=ItemName+strlen(ItemName)+1</Exec>
<!-- double, Date_t, Timestamp, 64bit integer -->
<If Condition="ItemType==1 || ItemType==9 || ItemType==17 || ItemType==18">
<Exec>DataPointer+=8</Exec>
</If>
<!-- string types: string, DBPointer, JavaScript, Symbol-->
<If Condition="ItemType==2 || ItemType==13 || ItemType==14 || ItemType==12">
<Exec>DataPointer+=*(int32_t*)DataPointer+4</Exec>
</If>
<!-- types beginning with an int for size: embedded document, embedded array, codeWithScope -->
<If Condition="ItemType==3 || ItemType==4 || ItemType==15">
<Exec>DataPointer+=*(int32_t*)DataPointer</Exec>
</If>
<!-- binary -->
<If Condition="ItemType==5">
<Exec>DataPointer+=*(int32_t*)DataPointer+5</Exec>
</If>
<!-- ObjectId, DBPointer -->
<If Condition="ItemType==7 || ItemType==12">
<Exec>DataPointer+=12</Exec>
</If>
<!-- bool -->
<If Condition="ItemType==8">
<Exec>DataPointer+=1</Exec>
</If>
<!-- regular expression -->
<If Condition="ItemType==11">
<Exec>DataPointer+=strlen(DataPointer)+1</Exec>
<Exec>DataPointer+=strlen(DataPointer)+1</Exec>
</If>
<!-- 32bit integer -->
<If Condition="ItemType==16">
<Exec>DataPointer+=4</Exec>
</If>
<!-- Decimal128 -->
<If Condition="ItemType==19">
<Exec>DataPointer+=16</Exec>
</If>
</Loop>
<Item Name="[size]">size</Item>
</CustomListItems>
</Expand>
</Type>
<!-- Same as BSONObjData but skip field names -->
<Type Name="mongo::BSONArrayData">
<DisplayString>{{ arrsize={size} }}</DisplayString>
<Expand>
<CustomListItems>
<Variable Name="DataPointer" InitialValue="(const char*)this"/>
<Variable Name="ItemType" InitialValue="(int32_t)0" />
<Variable Name="ItemName" InitialValue="(const char*)nullptr" />
<Variable Name="ItemValue" InitialValue="(const char*)nullptr" />
<Exec>DataPointer += 4</Exec>
<Loop>
<Break Condition="*DataPointer == 0"/>
<Exec>ItemType=*DataPointer</Exec>
<Exec>ItemName=DataPointer+1</Exec>
<Item>(const mongo::BSONElementData*)DataPointer,na</Item>
<Exec>DataPointer=ItemName+strlen(ItemName)+1</Exec>
<!-- double, Date_t, Timestamp, 64bit integer -->
<If Condition="ItemType==1 || ItemType==9 || ItemType==17 || ItemType==18">
<Exec>DataPointer+=8</Exec>
</If>
<!-- string types: string, DBPointer, JavaScript, Symbol-->
<If Condition="ItemType==2 || ItemType==13 || ItemType==14 || ItemType==12">
<Exec>DataPointer+=*(int32_t*)DataPointer+4</Exec>
</If>
<!-- types beginning with an int for size: embedded document, embedded array, codeWithScope -->
<If Condition="ItemType==3 || ItemType==4 || ItemType==15">
<Exec>DataPointer+=*(int32_t*)DataPointer</Exec>
</If>
<!-- binary -->
<If Condition="ItemType==5">
<Exec>DataPointer+=*(int32_t*)DataPointer+5</Exec>
</If>
<!-- ObjectId, DBPointer -->
<If Condition="ItemType==7 || ItemType==12">
<Exec>DataPointer+=12</Exec>
</If>
<!-- bool -->
<If Condition="ItemType==8">
<Exec>DataPointer+=1</Exec>
</If>
<!-- regular expression -->
<If Condition="ItemType==11">
<Exec>DataPointer+=strlen(DataPointer)+1</Exec>
<Exec>DataPointer+=strlen(DataPointer)+1</Exec>
</If>
<!-- 32bit integer -->
<If Condition="ItemType==16">
<Exec>DataPointer+=4</Exec>
</If>
<!-- Decimal128 -->
<If Condition="ItemType==19">
<Exec>DataPointer+=16</Exec>
</If>
</Loop>
<Item Name="[size]">size</Item>
</CustomListItems>
</Expand>
</Type>
<Type Name="mongo::BSONObj">
<DisplayString>objsize={*(int32_t*)_objdata}</DisplayString>
<Expand>
<ExpandedItem>(const mongo::BSONObjData*)_objdata</ExpandedItem>
</Expand>
</Type>
<Type Name="mongo::BSONArray">
<DisplayString>objsize={*(int32_t*)_objdata}</DisplayString>
<Expand>
<ExpandedItem>(const mongo::BSONArrayData*)_objdata</ExpandedItem>
</Expand>
</Type>
<Type Name="absl::container_internal::raw_hash_set&lt;*&gt;">
<DisplayString>{{ size={size_} }}</DisplayString>
<Expand>
<Item Name="[capacity]">capacity_</Item>
<CustomListItems>
<Variable Name="NumBuckets" InitialValue="capacity_" />
<Variable Name="BucketIndex" InitialValue="0" />
<Size>size_</Size>
<Loop>
<Break Condition="BucketIndex == NumBuckets"/>
<If Condition="ctrl_[BucketIndex] >= 0">
<Item>slots_[BucketIndex],na</Item>
</If>
<Exec>++BucketIndex</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>
<Type Name="absl::node_hash_map&lt;*&gt;">
<DisplayString>{{ size={size_} }}</DisplayString>
<Expand>
<Item Name="[capacity]">capacity_</Item>
<CustomListItems>
<Variable Name="NumBuckets" InitialValue="capacity_" />
<Variable Name="BucketIndex" InitialValue="0" />
<Size>size_</Size>
<Loop>
<Break Condition="BucketIndex == NumBuckets"/>
<If Condition="ctrl_[BucketIndex] >= 0">
<Item Name="[{slots_[BucketIndex]->first,na}]">slots_[BucketIndex]->second,na</Item>
</If>
<Exec>++BucketIndex</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>
<Type Name="mongo::ShardId">
<DisplayString>{_shardId}</DisplayString>
</Type>
<Type Name="mongo::OID">
<DisplayString>ObjectId({_data[0],nvoxb}{_data[1],nvoxb}{_data[2],nvoxb}{_data[3],nvoxb}{_data[4],nvoxb}{_data[5],nvoxb}{_data[6],nvoxb}{_data[7],nvoxb}{_data[8],nvoxb}{_data[9],nvoxb}{_data[10],nvoxb}{_data[11],nvoxb})</DisplayString>
</Type>
<Type Name="mongo::UUID">
<DisplayString>{_uuid[0],nvoxb}{_uuid[1],nvoxb}{_uuid[2],nvoxb}{_uuid[3],nvoxb}-{_uuid[4],nvoxb}{_uuid[5],nvoxb}-{_uuid[6],nvoxb}{_uuid[7],nvoxb}-{_uuid[8],nvoxb}{_uuid[9],nvoxb}-{_uuid[10],nvoxb}{_uuid[11],nvoxb}{_uuid[12],nvoxb}{_uuid[13],nvoxb}{_uuid[14],nvoxb}{_uuid[15],nvoxb}</DisplayString>
</Type>
<Type Name="mongo::ChunkVersion">
<DisplayString>{{e = {_epoch} t = Timestamp({_timestamp.secs}, {_timestamp.i}) v = Timestamp({_combined &gt;&gt; 32}, {_combined &amp; 0xFFFFFFFF})}}</DisplayString>
<Expand>
<Item Name="Epoch">_epoch</Item>
<Item Name="Timestamp">_timestamp</Item>
<Item Name="Version">_combined</Item>
</Expand>
</Type>
<Type Name="mongo::ShardVersion">
<DisplayString>{{chunkVersion = {_chunkVersion} indexVersion = {_indexVersion}}}</DisplayString>
<Expand>
<Item Name="ChunkVersion">_chunkVersion</Item>
<Item Name="IndexVersion">_indexVersion</Item>
</Expand>
</Type>
<Type Name="mongo::DatabaseName">
<!-- _data._flags & 2 -->
<DisplayString Condition="_data._flags &amp; 2">{ ((const char *)&amp;(_data._data)),[_data._flags &gt;&gt; 2]s8 }</DisplayString>
<DisplayString>{_data._data,[_data._length]s8}</DisplayString>
</Type>
<Type Name="mongo::DatabaseVersionBase">
<DisplayString>{{uuid = UUID({_uuid}) timestamp = Timestamp({_timestamp.secs}, {_timestamp.i}) lastMod = {_lastMod}}}</DisplayString>
<Expand>
<Item Name="UUID">_uuid</Item>
<Item Name="Timestamp">_timestamp</Item>
<Item Name="LastMod">_lastMod</Item>
</Expand>
</Type>
</AutoVisualizer>
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