rishi/scryer-prolog
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some fixes in response to miri

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This commit is contained in:
Mark Thom
2025-03-13 12:33:37 -07:00
committed by Mark Thom
parent 9daf016d63
commit 3dee07f648
5 changed files with 20 additions and 19 deletions
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12
src/types.rs
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@@ -97,8 +97,7 @@ impl ConsPtr {
#[inline(always)]
pub fn as_ptr(self) -> *mut u8 {
let addr: u64 = self.ptr();
addr as usize as *mut _
unsafe { mem::transmute::<_, *mut u8>(self.ptr()) }
}
#[inline(always)]
@@ -676,23 +675,22 @@ impl UntypedArenaPtr {
}
#[inline]
pub fn get_ptr(self) -> *const u8 {
let addr: u64 = self.ptr();
addr as usize as *const u8
pub fn get_ptr(self) -> *const ArenaHeader {
unsafe { mem::transmute::<_, *const ArenaHeader>(self.ptr()) }
}
#[inline]
pub fn get_tag(self) -> ArenaHeaderTag {
unsafe {
debug_assert!(!self.get_ptr().is_null());
let header = *(self.get_ptr() as *const ArenaHeader);
let header = *self.get_ptr();
header.get_tag()
}
}
#[inline]
pub fn payload_offset(self) -> *const u8 {
unsafe { self.get_ptr().add(mem::size_of::<ArenaHeader>()) }
unsafe { self.get_ptr().byte_add(mem::size_of::<ArenaHeader>()) as *const _ }
}
/// # Safety