diff options
| -rw-r--r-- | library/std/src/lib.rs | 1 | ||||
| -rw-r--r-- | library/std/src/os/raw/mod.rs | 110 |
2 files changed, 57 insertions, 54 deletions
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 16733b7ccd3..5e46d2c17c9 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -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)] diff --git a/library/std/src/os/raw/mod.rs b/library/std/src/os/raw/mod.rs index 16272aa0571..22c98d7ade9 100644 --- a/library/std/src/os/raw/mod.rs +++ b/library/std/src/os/raw/mod.rs @@ -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", @@ -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", @@ -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)] |