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Merged
bors 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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122 changes: 112 additions & 10 deletions src/etc/natvis/libcore.natvis
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Original file line number Diff line number Diff line change
@@ -1,23 +1,125 @@
<?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::ptr::Shared&lt;*&gt;">
<DisplayString>{{ Shared {pointer} }}</DisplayString>
<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>
<Item Name="[ptr]">pointer</Item>
<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::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::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>
<Item Name="[value]">*pointer</Item>
<ExpandedItem>pointer</ExpandedItem>
</Expand>
</Type>
</AutoVisualizer>

<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>
</AutoVisualizer>
21 changes: 21 additions & 0 deletions src/test/debuginfo/marker-types.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
// 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]

use std::ptr::NonNull;

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

zzz(); // #break
}

fn zzz() { }
77 changes: 65 additions & 12 deletions src/test/debuginfo/mutable-locs.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,26 +9,64 @@
// cdb-command: g

// cdb-command:dx static_c,d
// cdb-check:static_c,d [Type: core::cell::Cell<i32>]
// cdb-check: [...] value [Type: core::cell::UnsafeCell<i32>]
// cdb-check:static_c,d : 10 [Type: core::cell::Cell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::Cell<i32>]

// cdb-command: dx static_c.value,d
// cdb-check:static_c.value,d [Type: core::cell::UnsafeCell<i32>]
// cdb-check: [...] value : 10 [Type: int]
// cdb-check:static_c.value,d : 10 [Type: core::cell::UnsafeCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::UnsafeCell<i32>]

// cdb-command: dx dynamic_c,d
// cdb-check:dynamic_c,d [Type: core::cell::RefCell<i32>]
// cdb-check: [...] borrow [Type: core::cell::Cell<isize>]
// cdb-check: [...] value [Type: core::cell::UnsafeCell<i32>]
// cdb-check:dynamic_c,d : 15 [Type: core::cell::RefCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefCell<i32>]
// cdb-check: [Borrow state] : Unborrowed

// cdb-command: dx dynamic_c.value,d
// cdb-check:dynamic_c.value,d [Type: core::cell::UnsafeCell<i32>]
// cdb-check: [...] value : 15 [Type: int]
// cdb-check:dynamic_c.value,d : 15 [Type: core::cell::UnsafeCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::UnsafeCell<i32>]

// cdb-command: dx b,d
// cdb-check:b,d [Type: core::cell::RefMut<i32>]
// cdb-check: [...] value : [...] : 42 [Type: int *]
// cdb-check: [...] borrow [Type: core::cell::BorrowRefMut]
// cdb-check:b,d : 42 [Type: core::cell::RefMut<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefMut<i32>]
// cdb-check: 42 [Type: int]

// cdb-command: g

// cdb-command: dx dynamic_c,d
// cdb-check:dynamic_c,d : 15 [Type: core::cell::RefCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefCell<i32>]
// cdb-check: [Borrow state] : Immutably borrowed

// cdb-command: dx r_borrow,d
// cdb-check:r_borrow,d : 15 [Type: core::cell::Ref<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::Ref<i32>]
// cdb-check: 15 [Type: int]

// cdb-command: g

// cdb-command: dx dynamic_c,d
// cdb-check:dynamic_c,d : 15 [Type: core::cell::RefCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefCell<i32>]
// cdb-check: [Borrow state] : Unborrowed

// cdb-command: g

// cdb-command: dx dynamic_c,d
// cdb-check:dynamic_c,d : 15 [Type: core::cell::RefCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefCell<i32>]
// cdb-check: [Borrow state] : Mutably borrowed

// cdb-command: dx r_borrow_mut,d
// cdb-check:r_borrow_mut,d : 15 [Type: core::cell::RefMut<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefMut<i32>]
// cdb-check: 15 [Type: int]

// cdb-command: g

// cdb-command: dx dynamic_c,d
// cdb-check:dynamic_c,d : 15 [Type: core::cell::RefCell<i32>]
// cdb-check: [<Raw View>] [Type: core::cell::RefCell<i32>]
// cdb-check: [Borrow state] : Unborrowed

#![allow(unused_variables)]

Expand All @@ -46,6 +84,21 @@ fn main() {
*b = 42;

zzz(); // #break

// Check that `RefCell`'s borrow state visualizes correctly
{
let r_borrow = dynamic_c.borrow();
zzz(); // #break
}

zzz(); // #break

{
let r_borrow_mut = dynamic_c.borrow_mut();
zzz(); // #break
}

zzz(); // #break
}

fn zzz() {()}
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