nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-10-30 22:12:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

Inline and remove TypedArena::ensure_capacity.

Browse Source 
It has a single callsite.
This commit is contained in:
Nicholas Nethercote 2023-09-20 07:32:12 +10:00
parent 0001eddb93
commit 55de23ed5d
1 changed files with 7 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
compiler/rustc_arena/src/lib.rs
View File

@ -250,25 +250,20 @@ impl<T> TypedArena<T> {
available_bytes >= additional_bytes
}
/// Ensures there's enough space in the current chunk to fit `len` objects.
#[inline]
fn ensure_capacity(&self, additional: usize) {
if !self.can_allocate(additional) {
self.grow(additional);
debug_assert!(self.can_allocate(additional));
}
}
#[inline]
unsafe fn alloc_raw_slice(&self, len: usize) -> *mut T {
assert!(mem::size_of::<T>() != 0);
assert!(len != 0);
self.ensure_capacity(len);
// Ensure the current chunk can fit `len` objects.
if !self.can_allocate(len) {
self.grow(len);
debug_assert!(self.can_allocate(len));
}
let start_ptr = self.ptr.get();
// SAFETY: `self.ensure_capacity` makes sure that there is enough space
// for `len` elements.
// SAFETY: `can_allocate`/`grow` ensures that there is enough space for
// `len` elements.
unsafe { self.ptr.set(start_ptr.add(len)) };
start_ptr
}