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tweak some function names
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RalfJung committed Apr 3, 2022
1 parent f0ec783 commit 84a343d
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Showing 4 changed files with 14 additions and 14 deletions.
2 changes: 1 addition & 1 deletion compiler/rustc_const_eval/src/const_eval/machine.rs
Original file line number Diff line number Diff line change
Expand Up @@ -364,7 +364,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,

// If an allocation is created in an another const,
// we don't deallocate it.
let (alloc_id, _, _) = ecx.ptr_get_alloc(ptr)?;
let (alloc_id, _, _) = ecx.ptr_get_alloc_id(ptr)?;
let is_allocated_in_another_const = matches!(
ecx.tcx.get_global_alloc(alloc_id),
Some(interpret::GlobalAlloc::Memory(_))
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_const_eval/src/interpret/intrinsics.rs
Original file line number Diff line number Diff line change
Expand Up @@ -318,7 +318,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
// exception from the exception.)
// This is the dual to the special exception for offset-by-0
// in the inbounds pointer offset operation (see `ptr_offset_inbounds` below).
match (self.ptr_try_get_alloc(a), self.ptr_try_get_alloc(b)) {
match (self.ptr_try_get_alloc_id(a), self.ptr_try_get_alloc_id(b)) {
(Err(a), Err(b)) if a == b && a != 0 => {
// Both are the same non-null integer.
self.write_scalar(Scalar::from_machine_isize(0, self), dest)?;
Expand Down
22 changes: 11 additions & 11 deletions compiler/rustc_const_eval/src/interpret/memory.rs
Original file line number Diff line number Diff line change
Expand Up @@ -200,7 +200,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
kind: MemoryKind<M::MemoryKind>,
) -> InterpResult<'static, Pointer<M::PointerTag>> {
let alloc = Allocation::uninit(size, align, M::PANIC_ON_ALLOC_FAIL)?;
Ok(self.allocate_with_ptr(alloc, kind))
Ok(self.allocate_raw_ptr(alloc, kind))
}

pub fn allocate_bytes_ptr(
Expand All @@ -211,10 +211,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
mutability: Mutability,
) -> Pointer<M::PointerTag> {
let alloc = Allocation::from_bytes(bytes, align, mutability);
self.allocate_with_ptr(alloc, kind)
self.allocate_raw_ptr(alloc, kind)
}

pub fn allocate_with_ptr(
pub fn allocate_raw_ptr(
&mut self,
alloc: Allocation,
kind: MemoryKind<M::MemoryKind>,
Expand All @@ -238,7 +238,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
new_align: Align,
kind: MemoryKind<M::MemoryKind>,
) -> InterpResult<'tcx, Pointer<M::PointerTag>> {
let (alloc_id, offset, ptr) = self.ptr_get_alloc(ptr)?;
let (alloc_id, offset, ptr) = self.ptr_get_alloc_id(ptr)?;
if offset.bytes() != 0 {
throw_ub_format!(
"reallocating {:?} which does not point to the beginning of an object",
Expand Down Expand Up @@ -274,7 +274,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
old_size_and_align: Option<(Size, Align)>,
kind: MemoryKind<M::MemoryKind>,
) -> InterpResult<'tcx> {
let (alloc_id, offset, ptr) = self.ptr_get_alloc(ptr)?;
let (alloc_id, offset, ptr) = self.ptr_get_alloc_id(ptr)?;
trace!("deallocating: {}", alloc_id);

if offset.bytes() != 0 {
Expand Down Expand Up @@ -419,7 +419,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
}
}

Ok(match self.ptr_try_get_alloc(ptr) {
Ok(match self.ptr_try_get_alloc_id(ptr) {
Err(addr) => {
// We couldn't get a proper allocation. This is only okay if the access size is 0,
// and the address is not null.
Expand Down Expand Up @@ -731,7 +731,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
ptr: Pointer<Option<M::PointerTag>>,
) -> InterpResult<'tcx, FnVal<'tcx, M::ExtraFnVal>> {
trace!("get_fn({:?})", ptr);
let (alloc_id, offset, _ptr) = self.ptr_get_alloc(ptr)?;
let (alloc_id, offset, _ptr) = self.ptr_get_alloc_id(ptr)?;
if offset.bytes() != 0 {
throw_ub!(InvalidFunctionPointer(Pointer::new(alloc_id, offset)))
}
Expand Down Expand Up @@ -1125,7 +1125,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
Err(_) => {
// Can only happen during CTFE.
let ptr = self.scalar_to_ptr(scalar);
match self.ptr_try_get_alloc(ptr) {
match self.ptr_try_get_alloc_id(ptr) {
Ok((alloc_id, offset, _)) => {
let (size, _align) = self
.get_alloc_size_and_align(alloc_id, AllocCheck::MaybeDead)
Expand All @@ -1142,7 +1142,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {

/// Turning a "maybe pointer" into a proper pointer (and some information
/// about where it points), or an absolute address.
pub fn ptr_try_get_alloc(
pub fn ptr_try_get_alloc_id(
&self,
ptr: Pointer<Option<M::PointerTag>>,
) -> Result<(AllocId, Size, Pointer<M::PointerTag>), u64> {
Expand All @@ -1157,11 +1157,11 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {

/// Turning a "maybe pointer" into a proper pointer (and some information about where it points).
#[inline(always)]
pub fn ptr_get_alloc(
pub fn ptr_get_alloc_id(
&self,
ptr: Pointer<Option<M::PointerTag>>,
) -> InterpResult<'tcx, (AllocId, Size, Pointer<M::PointerTag>)> {
self.ptr_try_get_alloc(ptr).map_err(|offset| {
self.ptr_try_get_alloc_id(ptr).map_err(|offset| {
err_ub!(DanglingIntPointer(offset, CheckInAllocMsg::InboundsTest)).into()
})
}
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_const_eval/src/interpret/validity.rs
Original file line number Diff line number Diff line change
Expand Up @@ -432,7 +432,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, '
if let Some(ref mut ref_tracking) = self.ref_tracking {
// Proceed recursively even for ZST, no reason to skip them!
// `!` is a ZST and we want to validate it.
if let Ok((alloc_id, _offset, _ptr)) = self.ecx.ptr_try_get_alloc(place.ptr) {
if let Ok((alloc_id, _offset, _ptr)) = self.ecx.ptr_try_get_alloc_id(place.ptr) {
// Special handling for pointers to statics (irrespective of their type).
let alloc_kind = self.ecx.tcx.get_global_alloc(alloc_id);
if let Some(GlobalAlloc::Static(did)) = alloc_kind {
Expand Down

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