mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 15:54:15 +00:00
249 lines
9.8 KiB
Rust
249 lines
9.8 KiB
Rust
//@ only-cdb
|
|
//@ compile-flags:-g
|
|
//
|
|
// cdb-command: g
|
|
//
|
|
// cdb-command: dx a
|
|
// cdb-check:a : Some [Type: enum2$<core::option::Option<msvc_pretty_enums::CStyleEnum> >]
|
|
// cdb-check: [+0x000] __0 : Low (0x2) [Type: msvc_pretty_enums::CStyleEnum]
|
|
//
|
|
// cdb-command: dx b
|
|
// cdb-check:b : None [Type: enum2$<core::option::Option<msvc_pretty_enums::CStyleEnum> >]
|
|
//
|
|
// cdb-command: dx c
|
|
// cdb-check:c : Tag1 [Type: enum2$<msvc_pretty_enums::NicheLayoutEnum>]
|
|
//
|
|
// cdb-command: dx d
|
|
// cdb-check:d : Data [Type: enum2$<msvc_pretty_enums::NicheLayoutEnum>]
|
|
// cdb-check: [+0x000] my_data : High (0x10) [Type: msvc_pretty_enums::CStyleEnum]
|
|
//
|
|
// cdb-command: dx e
|
|
// cdb-check:e : Tag2 [Type: enum2$<msvc_pretty_enums::NicheLayoutEnum>]
|
|
//
|
|
// cdb-command: dx f
|
|
// cdb-check:f : Some [Type: enum2$<core::option::Option<ref$<u32> > >]
|
|
// cdb-check: [+0x000] __0 : 0x[...] : 0x1 [Type: unsigned int *]
|
|
//
|
|
// cdb-command: dx g
|
|
// cdb-check:g : None [Type: enum2$<core::option::Option<ref$<u32> > >]
|
|
//
|
|
// cdb-command: dx h
|
|
// cdb-check:h : Some [Type: enum2$<core::option::Option<u32> >]
|
|
// cdb-check: [+0x004] __0 : 0xc [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx i
|
|
// cdb-check:i : None [Type: enum2$<core::option::Option<u32> >]
|
|
//
|
|
// cdb-command: dx j
|
|
// cdb-check:j : High (0x10) [Type: msvc_pretty_enums::CStyleEnum]
|
|
//
|
|
// cdb-command: dx k
|
|
// cdb-check:k : Some [Type: enum2$<core::option::Option<alloc::string::String> >]
|
|
// cdb-check: [+0x000] __0 : "IAMA optional string!" [Type: alloc::string::String]
|
|
//
|
|
// cdb-command: dx l
|
|
// cdb-check:l : Ok [Type: enum2$<core::result::Result<u32,enum2$<msvc_pretty_enums::Empty> > >]
|
|
// cdb-check: [+0x000] __0 : 0x2a [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx niche128_some
|
|
// cdb-check: niche128_some : Some [Type: enum2$<core::option::Option<core::num::nonzero::NonZero<i128> > >]
|
|
// Note: we can't actually read the value of the field because CDB cannot handle 128 bit integers.
|
|
// cdb-check: [+0x000] __0 [...] [Type: core::num::nonzero::NonZero<i128>]
|
|
//
|
|
// cdb-command: dx niche128_none
|
|
// cdb-check: niche128_none : None [Type: enum2$<core::option::Option<core::num::nonzero::NonZero<i128> > >]
|
|
//
|
|
// cdb-command: dx wrapping_niche128_untagged
|
|
// cdb-check: wrapping_niche128_untagged : X [Type: enum2$<msvc_pretty_enums::Wrapping128Niche>]
|
|
// cdb-check: [+0x[...]] __0 [Type: msvc_pretty_enums::Wrapping128]
|
|
//
|
|
// cdb-command: dx wrapping_niche128_none1
|
|
// cdb-check: wrapping_niche128_none1 : Y [Type: enum2$<msvc_pretty_enums::Wrapping128Niche>]
|
|
// cdb-check: [+0x[...]] __0 [Type: msvc_pretty_enums::Wrapping128]
|
|
//
|
|
// cdb-command: dx wrapping_niche128_none2
|
|
// cdb-check: wrapping_niche128_none2 : Z [Type: enum2$<msvc_pretty_enums::Wrapping128Niche>]
|
|
// cdb-check: [+0x[...]] __0 [Type: msvc_pretty_enums::Wrapping128]
|
|
//
|
|
// cdb-command: dx direct_tag_128_a,d
|
|
// cdb-check: direct_tag_128_a,d : A [Type: enum2$<msvc_pretty_enums::DirectTag128>]
|
|
// cdb-check: [+0x[...]] __0 : 42 [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx direct_tag_128_b,d
|
|
// cdb-check: direct_tag_128_b,d : B [Type: enum2$<msvc_pretty_enums::DirectTag128>]
|
|
// cdb-check: [+0x[...]] __0 : 137 [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx niche_w_fields_1_some,d
|
|
// cdb-check: niche_w_fields_1_some,d : A [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields1>]
|
|
// cdb-check: [+0x[...]] __0 : 0x[...] : 77 [Type: unsigned char *]
|
|
// cdb-check: [+0x[...]] __1 : 7 [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx niche_w_fields_1_none,d
|
|
// cdb-check: niche_w_fields_1_none,d : B [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields1>]
|
|
// cdb-check: [+0x[...]] __0 : 99 [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx niche_w_fields_2_some,d
|
|
// cdb-check: niche_w_fields_2_some,d : A [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields2>]
|
|
// cdb-check: [+0x[...]] __0 : 800 [Type: core::num::nonzero::NonZero<u32>]
|
|
// cdb-check: [+0x[...]] __1 : 900 [Type: unsigned __int64]
|
|
//
|
|
// cdb-command: dx niche_w_fields_2_none,d
|
|
// cdb-check: niche_w_fields_2_none,d : B [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields2>]
|
|
// cdb-check: [+0x[...]] __0 : 1000 [Type: unsigned __int64]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_some,d
|
|
// cdb-check: niche_w_fields_3_some,d : A [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
// cdb-check: [+0x[...]] __0 : 137 [Type: unsigned char]
|
|
// cdb-check: [+0x[...]] __1 : true [Type: bool]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_niche1,d
|
|
// cdb-check: niche_w_fields_3_niche1,d : B [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
// cdb-check: [+0x[...]] __0 : 12 [Type: unsigned char]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_niche2,d
|
|
// cdb-check: niche_w_fields_3_niche2,d : C [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
// cdb-check: [+0x[...]] __0 : false [Type: bool]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_niche3,d
|
|
// cdb-check: niche_w_fields_3_niche3,d : D [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
// cdb-check: [+0x[...]] __0 : 34 [Type: unsigned char]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_niche4,d
|
|
// cdb-check: niche_w_fields_3_niche4,d : E [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
// cdb-check: [+0x[...]] __0 : 56 [Type: unsigned char]
|
|
//
|
|
// cdb-command: dx niche_w_fields_3_niche5,d
|
|
// cdb-check: niche_w_fields_3_niche5,d : F [Type: enum2$<msvc_pretty_enums::NicheLayoutWithFields3>]
|
|
//
|
|
// cdb-command: dx -r3 niche_w_fields_std_result_ok,d
|
|
// cdb-check: niche_w_fields_std_result_ok,d : Ok [Type: enum2$<core::result::Result<alloc::boxed::Box<slice2$<u8>,alloc::alloc::Global>,u64> >]
|
|
// cdb-check: [+0x[...]] __0 [Type: alloc::boxed::Box<slice2$<u8>,alloc::alloc::Global>]
|
|
// cdb-check: [+0x[...]] data_ptr : [...]
|
|
// cdb-check: [+0x[...]] length : 3 [...]
|
|
//
|
|
// cdb-command: dx -r3 niche_w_fields_std_result_err,d
|
|
// cdb-check: niche_w_fields_std_result_err,d : Err [Type: enum2$<core::result::Result<alloc::boxed::Box<slice2$<u8>,alloc::alloc::Global>,u64> >]
|
|
// cdb-check: [+0x[...]] __0 : 789 [Type: unsigned __int64]
|
|
//
|
|
// cdb-command: dx -r2 arbitrary_discr1,d
|
|
// cdb-check: arbitrary_discr1,d : Abc [Type: enum2$<msvc_pretty_enums::ArbitraryDiscr>]
|
|
// cdb-check: [+0x[...]] __0 : 1234 [Type: unsigned int]
|
|
//
|
|
// cdb-command: dx -r2 arbitrary_discr2,d
|
|
// cdb-check: arbitrary_discr2,d : Def [Type: enum2$<msvc_pretty_enums::ArbitraryDiscr>]
|
|
// cdb-check: [+0x[...]] __0 : 5678 [Type: unsigned int]
|
|
#![feature(generic_nonzero)]
|
|
#![feature(rustc_attrs)]
|
|
#![feature(repr128)]
|
|
#![feature(arbitrary_enum_discriminant)]
|
|
|
|
use std::num::NonZero;
|
|
|
|
pub enum CStyleEnum {
|
|
Low = 2,
|
|
High = 16,
|
|
}
|
|
|
|
pub enum NicheLayoutEnum {
|
|
Tag1,
|
|
Data { my_data: CStyleEnum },
|
|
Tag2,
|
|
}
|
|
|
|
pub enum Empty {}
|
|
|
|
// The following three types will use a niche layout once
|
|
// https://github.com/rust-lang/rust/pull/94075 is merged:
|
|
enum NicheLayoutWithFields1<'a> {
|
|
A(&'a u8, u32),
|
|
B(u32),
|
|
}
|
|
|
|
enum NicheLayoutWithFields2 {
|
|
A(NonZero<u32>, u64),
|
|
B(u64),
|
|
}
|
|
|
|
enum NicheLayoutWithFields3 {
|
|
A(u8, bool),
|
|
B(u8),
|
|
C(bool),
|
|
D(u8),
|
|
E(u8),
|
|
F,
|
|
}
|
|
|
|
#[rustc_layout_scalar_valid_range_start(340282366920938463463374607431768211454)]
|
|
#[rustc_layout_scalar_valid_range_end(1)]
|
|
#[repr(transparent)]
|
|
struct Wrapping128(u128);
|
|
|
|
// #[rustc_layout(debug)]
|
|
enum Wrapping128Niche {
|
|
X(Wrapping128),
|
|
Y,
|
|
Z,
|
|
}
|
|
|
|
#[repr(i128)]
|
|
enum DirectTag128 {
|
|
A(u32),
|
|
B(u32),
|
|
}
|
|
|
|
#[repr(u32)]
|
|
enum ArbitraryDiscr {
|
|
Abc(u32) = 1000,
|
|
Def(u32) = 5000_000,
|
|
}
|
|
|
|
fn main() {
|
|
let a = Some(CStyleEnum::Low);
|
|
let b = Option::<CStyleEnum>::None;
|
|
let c = NicheLayoutEnum::Tag1;
|
|
let d = NicheLayoutEnum::Data { my_data: CStyleEnum::High };
|
|
let e = NicheLayoutEnum::Tag2;
|
|
let f = Some(&1u32);
|
|
let g = Option::<&'static u32>::None;
|
|
let h = Some(12u32);
|
|
let i = Option::<u32>::None;
|
|
let j = CStyleEnum::High;
|
|
let k = Some("IAMA optional string!".to_string());
|
|
let l = Result::<u32, Empty>::Ok(42);
|
|
let niche128_some = NonZero::new(123456i128);
|
|
let niche128_none: Option<NonZero<i128>> = None;
|
|
|
|
let wrapping_niche128_untagged =
|
|
unsafe { Wrapping128Niche::X(Wrapping128(340282366920938463463374607431768211454)) };
|
|
let wrapping_niche128_none1 = Wrapping128Niche::Y;
|
|
let wrapping_niche128_none2 = Wrapping128Niche::Z;
|
|
|
|
let direct_tag_128_a = DirectTag128::A(42);
|
|
let direct_tag_128_b = DirectTag128::B(137);
|
|
|
|
let niche_w_fields_1_some = NicheLayoutWithFields1::A(&77, 7);
|
|
let niche_w_fields_1_none = NicheLayoutWithFields1::B(99);
|
|
|
|
let niche_w_fields_2_some = NicheLayoutWithFields2::A(NonZero::new(800).unwrap(), 900);
|
|
let niche_w_fields_2_none = NicheLayoutWithFields2::B(1000);
|
|
|
|
let niche_w_fields_3_some = NicheLayoutWithFields3::A(137, true);
|
|
let niche_w_fields_3_niche1 = NicheLayoutWithFields3::B(12);
|
|
let niche_w_fields_3_niche2 = NicheLayoutWithFields3::C(false);
|
|
let niche_w_fields_3_niche3 = NicheLayoutWithFields3::D(34);
|
|
let niche_w_fields_3_niche4 = NicheLayoutWithFields3::E(56);
|
|
let niche_w_fields_3_niche5 = NicheLayoutWithFields3::F;
|
|
|
|
let niche_w_fields_std_result_ok: Result<Box<[u8]>, u64> = Ok(vec![1, 2, 3].into());
|
|
let niche_w_fields_std_result_err: Result<Box<[u8]>, u64> = Err(789);
|
|
|
|
let arbitrary_discr1 = ArbitraryDiscr::Abc(1234);
|
|
let arbitrary_discr2 = ArbitraryDiscr::Def(5678);
|
|
|
|
zzz(); // #break
|
|
}
|
|
|
|
fn zzz() {
|
|
()
|
|
}
|