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Add or improve natvis definitions for common standard library types #86983

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merged 11 commits into from
Jul 16, 2021
Merged

Add or improve natvis definitions for common standard library types #86983

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07f1e61
Add natvis for NonZero and Wrapping types
wesleywiser Jun 28, 2021
9740dcc
Add natvis for Atomic types
wesleywiser Jun 29, 2021
cad42e0
Add natvis for cell types
wesleywiser Jun 29, 2021
8f1eec3
Fixup natvis for NonNull and Unique types
wesleywiser Jun 29, 2021
f2aba34
Add natvis for Range types
wesleywiser Jun 29, 2021
691ee05
Add natvis for Duration, ManuallyDrop and Pin types
wesleywiser Jun 30, 2021
a6a82c6
Add/improve visualizations for liballoc types
wesleywiser Jun 30, 2021
8500274
Add visualizer for OsString and fixup other string visualizers
wesleywiser Jul 1, 2021
d1852e1
Respond to review feedback
wesleywiser Jul 9, 2021
14fdf8a
Add test for `Unique<T>`, weak ref counts and ref counts for `Weak<T>`
wesleywiser Jul 12, 2021
6e357bc
Fix tests for i686
wesleywiser Jul 14, 2021
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4 changes: 2 additions & 2 deletions src/etc/natvis/intrinsic.natvis
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@@ -1,8 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<Type Name="str">
<DisplayString>{data_ptr,[length]s8}</DisplayString>
<StringView>data_ptr,[length]s8</StringView>
<DisplayString>{(char*)data_ptr,[length]s8}</DisplayString>
<StringView>(char*)data_ptr,[length]s8</StringView>
<Expand>
<Item Name="[len]" ExcludeView="simple">length</Item>
<Synthetic Name="[chars]">
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17 changes: 17 additions & 0 deletions src/etc/natvis/liballoc.natvis
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Expand Up @@ -48,6 +48,7 @@
<Item Name="[len]" ExcludeView="simple">vec.len</Item>
<Item Name="[capacity]" ExcludeView="simple">vec.buf.cap</Item>
<Synthetic Name="[chars]">
<DisplayString>{(char*)vec.buf.ptr.pointer,[vec.len]s8}</DisplayString>
<Expand>
<ArrayItems>
<Size>vec.len</Size>
Expand All @@ -57,22 +58,38 @@
</Synthetic>
</Expand>
</Type>

<Type Name="alloc::rc::Rc&lt;*&gt;">
<DisplayString>{ptr.pointer->value}</DisplayString>
<Expand>
<ExpandedItem>ptr.pointer->value</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
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<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::rc::Weak&lt;*&gt;">
<DisplayString>{ptr.pointer->value}</DisplayString>
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<Expand>
<ExpandedItem>ptr.pointer->value</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>

<Type Name="alloc::sync::Arc&lt;*&gt;">
<DisplayString>{ptr.pointer->data}</DisplayString>
<Expand>
<ExpandedItem>ptr.pointer->data</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
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<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::sync::Weak&lt;*&gt;">
<DisplayString>{ptr.pointer->data}</DisplayString>
<Expand>
<ExpandedItem>ptr.pointer->data</ExpandedItem>
<Item Name="[Reference count]">ptr.pointer->strong</Item>
<Item Name="[Weak reference count]">ptr.pointer->weak</Item>
</Expand>
</Type>
<Type Name="alloc::borrow::Cow&lt;*&gt;">
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158 changes: 149 additions & 9 deletions src/etc/natvis/libcore.natvis
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@@ -1,23 +1,163 @@
<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<Type Name="core::ptr::Unique&lt;*&gt;">
<DisplayString>{{ Unique {pointer} }}</DisplayString>
<Type Name="core::cell::Cell&lt;*&gt;">
<DisplayString>{value.value}</DisplayString>
<Expand>
<Item Name="[ptr]">pointer</Item>
<ExpandedItem>value.value</ExpandedItem>
</Expand>
</Type>
<Type Name="core::cell::Ref&lt;*&gt;">
<DisplayString>{value}</DisplayString>
<Expand>
<ExpandedItem>value</ExpandedItem>
</Expand>
</Type>
<Type Name="core::cell::RefMut&lt;*&gt;">
<DisplayString>{value}</DisplayString>
<Expand>
<ExpandedItem>value</ExpandedItem>
</Expand>
</Type>
<Type Name="core::cell::RefCell&lt;*&gt;">
<DisplayString>{value.value}</DisplayString>
<Expand>
<Item Name="[Borrow state]" Condition="borrow.value.value == 0">"Unborrowed",sb</Item>
<Item Name="[Borrow state]" Condition="borrow.value.value &gt; 0">"Immutably borrowed",sb</Item>
<Item Name="[Borrow state]" Condition="borrow.value.value &lt; 0">"Mutably borrowed",sb</Item>
<ExpandedItem>value.value</ExpandedItem>
</Expand>
</Type>
<Type Name="core::cell::UnsafeCell&lt;*&gt;">
<DisplayString>{value}</DisplayString>
<Expand>
<ExpandedItem>value</ExpandedItem>
</Expand>
</Type>

<Type Name="core::ptr::Shared&lt;*&gt;">
<DisplayString>{{ Shared {pointer} }}</DisplayString>
<Type Name="core::mem::manually_drop::ManuallyDrop&lt;*&gt;">
<DisplayString>{value}</DisplayString>
<Expand>
<Item Name="[ptr]">pointer</Item>
<ExpandedItem>value</ExpandedItem>
</Expand>
</Type>

<Type Name="core::num::nonzero::NonZeroI8">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroI16">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroI32">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroI64">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroI128">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroIsize">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroU8">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroU16">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroU32">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroU64">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroU128">
<DisplayString>{__0}</DisplayString>
</Type>
<Type Name="core::num::nonzero::NonZeroUsize">
<DisplayString>{__0}</DisplayString>
</Type>

<Type Name="core::num::wrapping::Wrapping&lt;*&gt;">
<DisplayString>{__0}</DisplayString>
</Type>

<Type Name="core::ops::range::Range&lt;*&gt;">
<DisplayString>({start}..{end})</DisplayString>
</Type>
<Type Name="core::ops::range::RangeFrom&lt;*&gt;">
<DisplayString>({start}..)</DisplayString>
</Type>
<Type Name="core::ops::range::RangeInclusive&lt;*&gt;">
<DisplayString>({start}..={end})</DisplayString>
</Type>
<Type Name="core::ops::range::RangeTo&lt;*&gt;">
<DisplayString>(..{end})</DisplayString>
</Type>
<Type Name="core::ops::range::RangeToInclusive&lt;*&gt;">
<DisplayString>(..={end})</DisplayString>
</Type>

<Type Name="core::pin::Pin&lt;*&gt;">
<DisplayString>Pin({(void*)pointer}: {pointer})</DisplayString>
<Expand>
<ExpandedItem>pointer</ExpandedItem>
</Expand>
</Type>

<Type Name="core::ptr::non_null::NonNull&lt;*&gt;">
<DisplayString>{(void*) pointer}</DisplayString>
<DisplayString>NonNull({(void*) pointer}: {pointer})</DisplayString>
<Expand>
<ExpandedItem>pointer</ExpandedItem>
</Expand>
</Type>

<Type Name="core::ptr::unique::Unique&lt;*&gt;">
<DisplayString>Unique({(void*)pointer}: {pointer})</DisplayString>
<Expand>
<ExpandedItem>pointer</ExpandedItem>
</Expand>
</Type>

<Type Name="core::sync::atomic::AtomicBool">
<DisplayString>{(bool)v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicI8">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicI16">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicI32">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicI64">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicIsize">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicU8">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicU16">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicU32">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicU64">
<DisplayString>{v.value}</DisplayString>
</Type>
<Type Name="core::sync::atomic::AtomicUsize">
<DisplayString>{v.value}</DisplayString>
</Type>

<Type Name="core::time::Duration">
<DisplayString>{secs,d}s {nanos,d}ns</DisplayString>
<Expand>
<Item Name="[value]">*pointer</Item>
<Item Name="seconds">secs,d</Item>
<Item Name="nanoseconds">nanos,d</Item>
</Expand>
</Type>
</AutoVisualizer>
</AutoVisualizer>
18 changes: 17 additions & 1 deletion src/etc/natvis/libstd.natvis
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Original file line number Diff line number Diff line change
Expand Up @@ -74,9 +74,10 @@
</Type>

<Type Name="std::ffi::c_str::CString">
<DisplayString>{inner.data_ptr,s}</DisplayString>
<DisplayString>{(char*)inner.data_ptr}</DisplayString>
<Expand>
<Synthetic Name="[chars]">
<DisplayString>{(char*)inner.data_ptr}</DisplayString>
<Expand>
<ArrayItems>
<Size>inner.length</Size>
Expand All @@ -101,4 +102,19 @@
</Synthetic>
</Expand>
</Type>

<Type Name="std::ffi::os_str::OsString">
<DisplayString>{(char*)inner.inner.bytes.buf.ptr.pointer,[inner.inner.bytes.len]}</DisplayString>
<Expand>
<Synthetic Name="[chars]">
<DisplayString>{(char*)inner.inner.bytes.buf.ptr.pointer,[inner.inner.bytes.len]}</DisplayString>
<Expand>
<ArrayItems>
<Size>inner.inner.bytes.len</Size>
<ValuePointer>(char*)inner.inner.bytes.buf.ptr.pointer</ValuePointer>
</ArrayItems>
</Expand>
</Synthetic>
</Expand>
</Type>
</AutoVisualizer>
22 changes: 22 additions & 0 deletions src/test/debuginfo/duration-type.rs
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@@ -0,0 +1,22 @@
// only-cdb
// compile-flags:-g

// === CDB TESTS ==================================================================================

// cdb-command: g

// cdb-command: dx duration
// cdb-check:duration : 5s 12ns [Type: core::time::Duration]
// cdb-check: [<Raw View>] [Type: core::time::Duration]
// cdb-check: seconds : 5 [Type: unsigned __int64]
// cdb-check: nanoseconds : 12 [Type: unsigned int]

use std::time::Duration;

fn main() {
let duration = Duration::new(5, 12);

zzz(); // #break
}

fn zzz() { }
49 changes: 49 additions & 0 deletions src/test/debuginfo/marker-types.rs
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@@ -0,0 +1,49 @@
// only-cdb
// compile-flags:-g

// === CDB TESTS ==================================================================================

// cdb-command: g

// cdb-command: dx nonnull
// cdb-check:nonnull : NonNull(0x[...]: 0xc) [Type: core::ptr::non_null::NonNull<u32>]
// cdb-check: [<Raw View>] [Type: core::ptr::non_null::NonNull<u32>]
// cdb-check: 0xc [Type: unsigned int]

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// cdb-command: dx manuallydrop
// cdb-check:manuallydrop : 12345 [Type: core::mem::manually_drop::ManuallyDrop<i32>]
// cdb-check: [<Raw View>] [Type: core::mem::manually_drop::ManuallyDrop<i32>]

// cdb-command: dx pin
// cdb-check:pin : Pin(0x[...]: "this") [Type: core::pin::Pin<ref_mut$<alloc::string::String> >]
// cdb-check: [<Raw View>] [Type: core::pin::Pin<ref_mut$<alloc::string::String> >]
// cdb-check: [len] : 0x4 [Type: unsigned [...]]
// cdb-check: [capacity] : 0x4 [Type: unsigned [...]]
// cdb-check: [chars] : "this"

// cdb-command: dx unique
// cdb-check:unique : Unique(0x[...]: (0x2a, 4321)) [Type: core::ptr::unique::Unique<tuple$<u64,i32> >]
// cdb-check: [<Raw View>] [Type: core::ptr::unique::Unique<tuple$<u64,i32> >]
// cdb-check: [0] : 0x2a [Type: unsigned __int64]
// cdb-check: [1] : 4321 [Type: int]

#![feature(ptr_internals)]

use std::mem::ManuallyDrop;
use std::pin::Pin;
use std::ptr::{NonNull, Unique};

fn main() {
let nonnull: NonNull<_> = (&12u32).into();

let manuallydrop = ManuallyDrop::new(12345i32);

let mut s = "this".to_string();
let pin = Pin::new(&mut s);

let unique: Unique<_> = (&mut (42u64, 4321i32)).into();

zzz(); // #break
}

fn zzz() { }
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