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Provide NonZero_c_* integers #82228

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Merged
merged 3 commits into from
Feb 22, 2021
Merged

Provide NonZero_c_* integers #82228

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d6b9d9a
std::src::os::raw: Refactor, introducing macro type_alias!
ijackson Feb 17, 2021
e78b501
Provide NonZero_c_* integers
ijackson Feb 17, 2021
60a9dcc
update tracking issue for raw_os_nonzero
KodrAus Feb 21, 2021
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1 change: 1 addition & 0 deletions library/std/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -263,6 +263,7 @@
#![feature(exact_size_is_empty)]
#![feature(exhaustive_patterns)]
#![feature(extend_one)]
#![feature(extended_key_value_attributes)]
#![feature(external_doc)]
#![feature(fn_traits)]
#![feature(format_args_nl)]
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110 changes: 56 additions & 54 deletions library/std/src/os/raw/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,41 @@
#[cfg(test)]
mod tests;

#[doc(include = "char.md")]
use core::num::*;

macro_rules! type_alias_no_nz {
{
$Docfile:tt, $Alias:ident = $Real:ty;
$( $Cfg:tt )*
} => {
#[doc(include = $Docfile)]
$( $Cfg )*
#[stable(feature = "raw_os", since = "1.1.0")]
pub type $Alias = $Real;
}
}

// To verify that the NonZero types in this file's macro invocations correspond
//
// perl -n < library/std/src/os/raw/mod.rs -e 'next unless m/type_alias\!/; die "$_ ?" unless m/, (c_\w+) = (\w+), NonZero_(\w+) = NonZero(\w+)/; die "$_ ?" unless $3 eq $1 and $4 eq ucfirst $2'
//
// NB this does not check that the main c_* types are right.

macro_rules! type_alias {
{
$Docfile:tt, $Alias:ident = $Real:ty, $NZAlias:ident = $NZReal:ty;
$( $Cfg:tt )*
} => {
type_alias_no_nz! { $Docfile, $Alias = $Real; $( $Cfg )* }

#[doc = concat!("Type alias for `NonZero` version of [`", stringify!($Alias), "`]")]
#[unstable(feature = "raw_os_nonzero", issue = "82363")]
$( $Cfg )*
pub type $NZAlias = $NZReal;
}
}

type_alias! { "char.md", c_char = u8, NonZero_c_char = NonZeroU8;
#[cfg(any(
all(
target_os = "linux",
Expand Down Expand Up @@ -52,10 +86,8 @@ mod tests;
)
),
all(target_os = "fuchsia", target_arch = "aarch64")
))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_char = u8;
#[doc(include = "char.md")]
))]}
type_alias! { "char.md", c_char = i8, NonZero_c_char = NonZeroI8;
#[cfg(not(any(
all(
target_os = "linux",
Expand Down Expand Up @@ -96,55 +128,25 @@ pub type c_char = u8;
)
),
all(target_os = "fuchsia", target_arch = "aarch64")
)))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_char = i8;
#[doc(include = "schar.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_schar = i8;
#[doc(include = "uchar.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_uchar = u8;
#[doc(include = "short.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_short = i16;
#[doc(include = "ushort.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_ushort = u16;
#[doc(include = "int.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_int = i32;
#[doc(include = "uint.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_uint = u32;
#[doc(include = "long.md")]
#[cfg(any(target_pointer_width = "32", windows))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_long = i32;
#[doc(include = "ulong.md")]
#[cfg(any(target_pointer_width = "32", windows))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_ulong = u32;
#[doc(include = "long.md")]
#[cfg(all(target_pointer_width = "64", not(windows)))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_long = i64;
#[doc(include = "ulong.md")]
#[cfg(all(target_pointer_width = "64", not(windows)))]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_ulong = u64;
#[doc(include = "longlong.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_longlong = i64;
#[doc(include = "ulonglong.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_ulonglong = u64;
#[doc(include = "float.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_float = f32;
#[doc(include = "double.md")]
#[stable(feature = "raw_os", since = "1.1.0")]
pub type c_double = f64;
)))]}
type_alias! { "schar.md", c_schar = i8, NonZero_c_schar = NonZeroI8; }
type_alias! { "uchar.md", c_uchar = u8, NonZero_c_uchar = NonZeroU8; }
type_alias! { "short.md", c_short = i16, NonZero_c_short = NonZeroI16; }
type_alias! { "ushort.md", c_ushort = u16, NonZero_c_ushort = NonZeroU16; }
type_alias! { "int.md", c_int = i32, NonZero_c_int = NonZeroI32; }
type_alias! { "uint.md", c_uint = u32, NonZero_c_uint = NonZeroU32; }
type_alias! { "long.md", c_long = i32, NonZero_c_long = NonZeroI32;
#[cfg(any(target_pointer_width = "32", windows))] }
type_alias! { "ulong.md", c_ulong = u32, NonZero_c_ulong = NonZeroU32;
#[cfg(any(target_pointer_width = "32", windows))] }
type_alias! { "long.md", c_long = i64, NonZero_c_long = NonZeroI64;
#[cfg(all(target_pointer_width = "64", not(windows)))] }
type_alias! { "ulong.md", c_ulong = u64, NonZero_c_ulong = NonZeroU64;
#[cfg(all(target_pointer_width = "64", not(windows)))] }
type_alias! { "longlong.md", c_longlong = i64, NonZero_c_longlong = NonZeroI64; }
type_alias! { "ulonglong.md", c_ulonglong = u64, NonZero_c_ulonglong = NonZeroU64; }
type_alias_no_nz! { "float.md", c_float = f32; }
type_alias_no_nz! { "double.md", c_double = f64; }

#[stable(feature = "raw_os", since = "1.1.0")]
#[doc(no_inline)]
Expand Down