swc_experimental_allocator 0.11.0

An extensible Rust-based platform for the next generation of fast developer tools
Documentation 
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use std::{alloc::Layout, ptr::NonNull};

use allocator_api2::alloc::{AllocError, Allocator};

unsafe impl Allocator for crate::Allocator {
    #[inline]
    fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {
        Allocator::allocate(&&self.arena, layout)
    }

    #[inline]
    unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
        unsafe { Allocator::deallocate(&&self.arena, ptr, layout) }
    }

    #[inline]
    unsafe fn shrink(
        &self,
        ptr: NonNull<u8>,
        old_layout: Layout,
        new_layout: Layout,
    ) -> Result<NonNull<[u8]>, AllocError> {
        unsafe { Allocator::shrink(&&self.arena, ptr, old_layout, new_layout) }
    }

    #[inline]
    unsafe fn grow(
        &self,
        ptr: NonNull<u8>,
        old_layout: Layout,
        new_layout: Layout,
    ) -> Result<NonNull<[u8]>, AllocError> {
        unsafe { Allocator::grow(&&self.arena, ptr, old_layout, new_layout) }
    }

    #[inline]
    unsafe fn grow_zeroed(
        &self,
        ptr: NonNull<u8>,
        old_layout: Layout,
        new_layout: Layout,
    ) -> Result<NonNull<[u8]>, AllocError> {
        unsafe { Allocator::grow_zeroed(&&self.arena, ptr, old_layout, new_layout) }
    }
}