Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Make macros formattable by rustfmt #49

Merged
merged 1 commit into from
Nov 20, 2024
Merged

Make macros formattable by rustfmt #49

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
49 changes: 29 additions & 20 deletions src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ static DEC_DIGITS_LUT: [u8; 200] = *b"\
// Adaptation of the original implementation at
// https://github.com/rust-lang/rust/blob/b8214dc6c6fc20d0a660fb5700dca9ebf51ebe89/src/libcore/fmt/num.rs#L188-L266
macro_rules! impl_Integer {
($($t:ty[$max_len:expr])* as $large_unsigned:ty) => {$(
($t:ty[$max_len:expr] as $large_unsigned:ty) => {
impl Integer for $t {
const MAX_STR_LEN: usize = $max_len;
}
Expand Down Expand Up @@ -213,7 +213,7 @@ macro_rules! impl_Integer {
unsafe { str::from_utf8_unchecked(bytes) }
}
}
)*};
};
}

const I8_MAX_LEN: usize = 4;
Expand All @@ -225,29 +225,33 @@ const U32_MAX_LEN: usize = 10;
const I64_MAX_LEN: usize = 20;
const U64_MAX_LEN: usize = 20;

impl_Integer! {
i8[I8_MAX_LEN]
u8[U8_MAX_LEN]
i16[I16_MAX_LEN]
u16[U16_MAX_LEN]
i32[I32_MAX_LEN]
u32[U32_MAX_LEN]
as u32
}
impl_Integer!(i8[I8_MAX_LEN] as u32);
impl_Integer!(u8[U8_MAX_LEN] as u32);
impl_Integer!(i16[I16_MAX_LEN] as u32);
impl_Integer!(u16[U16_MAX_LEN] as u32);
impl_Integer!(i32[I32_MAX_LEN] as u32);
impl_Integer!(u32[U32_MAX_LEN] as u32);

impl_Integer!(i64[I64_MAX_LEN] u64[U64_MAX_LEN] as u64);
impl_Integer!(i64[I64_MAX_LEN] as u64);
impl_Integer!(u64[U64_MAX_LEN] as u64);

#[cfg(target_pointer_width = "16")]
impl_Integer!(isize[I16_MAX_LEN] usize[U16_MAX_LEN] as u16);
impl_Integer!(isize[I16_MAX_LEN] as u16);
#[cfg(target_pointer_width = "16")]
impl_Integer!(usize[U16_MAX_LEN] as u16);

#[cfg(target_pointer_width = "32")]
impl_Integer!(isize[I32_MAX_LEN] usize[U32_MAX_LEN] as u32);
impl_Integer!(isize[I32_MAX_LEN] as u32);
#[cfg(target_pointer_width = "32")]
impl_Integer!(usize[U32_MAX_LEN] as u32);

#[cfg(target_pointer_width = "64")]
impl_Integer!(isize[I64_MAX_LEN] usize[U64_MAX_LEN] as u64);
impl_Integer!(isize[I64_MAX_LEN] as u64);
#[cfg(target_pointer_width = "64")]
impl_Integer!(usize[U64_MAX_LEN] as u64);

macro_rules! impl_Integer128 {
($($t:ty[$max_len:expr])*) => {$(
($t:ty[$max_len:expr]) => {
impl Integer for $t {
const MAX_STR_LEN: usize = $max_len;
}
Expand All @@ -271,7 +275,9 @@ macro_rules! impl_Integer128 {

// Divide by 10^19 which is the highest power less than 2^64.
let (n, rem) = udiv128::udivmod_1e19(n);
let buf1 = unsafe { buf_ptr.add(curr - U64_MAX_LEN) as *mut [MaybeUninit<u8>; U64_MAX_LEN] };
let buf1 = unsafe {
buf_ptr.add(curr - U64_MAX_LEN) as *mut [MaybeUninit<u8>; U64_MAX_LEN]
};
curr -= rem.write(unsafe { &mut *buf1 }).len();

if n != 0 {
Expand All @@ -284,7 +290,9 @@ macro_rules! impl_Integer128 {

// Divide by 10^19 again.
let (n, rem) = udiv128::udivmod_1e19(n);
let buf2 = unsafe { buf_ptr.add(curr - U64_MAX_LEN) as *mut [MaybeUninit<u8>; U64_MAX_LEN] };
let buf2 = unsafe {
buf_ptr.add(curr - U64_MAX_LEN) as *mut [MaybeUninit<u8>; U64_MAX_LEN]
};
curr -= rem.write(unsafe { &mut *buf2 }).len();

if n != 0 {
Expand Down Expand Up @@ -316,10 +324,11 @@ macro_rules! impl_Integer128 {
unsafe { str::from_utf8_unchecked(bytes) }
}
}
)*};
};
}

const U128_MAX_LEN: usize = 39;
const I128_MAX_LEN: usize = 40;

impl_Integer128!(i128[I128_MAX_LEN] u128[U128_MAX_LEN]);
impl_Integer128!(i128[I128_MAX_LEN]);
impl_Integer128!(u128[U128_MAX_LEN]);
Loading