diff options
Diffstat (limited to 'compiler/rustc_const_eval/src/interpret/visitor.rs')
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/visitor.rs | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs index 3647c109a6e..5aea91233bd 100644 --- a/compiler/rustc_const_eval/src/interpret/visitor.rs +++ b/compiler/rustc_const_eval/src/interpret/visitor.rs @@ -112,8 +112,10 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { // So we transmute it to a raw pointer. let raw_ptr_ty = Ty::new_mut_ptr(*self.ecx().tcx, self.ecx().tcx.types.unit); let raw_ptr_ty = self.ecx().layout_of(raw_ptr_ty)?; - let vtable_field = - self.ecx().project_field(v, 1)?.transmute(raw_ptr_ty, self.ecx())?; + let vtable_field = self + .ecx() + .project_field(v, FieldIdx::ONE)? + .transmute(raw_ptr_ty, self.ecx())?; self.visit_field(v, 1, &vtable_field)?; // Then unpack the first field, and continue. @@ -140,14 +142,16 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { // `Box` has two fields: the pointer we care about, and the allocator. assert_eq!(v.layout().fields.count(), 2, "`Box` must have exactly 2 fields"); - let (unique_ptr, alloc) = - (self.ecx().project_field(v, 0)?, self.ecx().project_field(v, 1)?); + let (unique_ptr, alloc) = ( + self.ecx().project_field(v, FieldIdx::ZERO)?, + self.ecx().project_field(v, FieldIdx::ONE)?, + ); // Unfortunately there is some type junk in the way here: `unique_ptr` is a `Unique`... // (which means another 2 fields, the second of which is a `PhantomData`) assert_eq!(unique_ptr.layout().fields.count(), 2); let (nonnull_ptr, phantom) = ( - self.ecx().project_field(&unique_ptr, 0)?, - self.ecx().project_field(&unique_ptr, 1)?, + self.ecx().project_field(&unique_ptr, FieldIdx::ZERO)?, + self.ecx().project_field(&unique_ptr, FieldIdx::ONE)?, ); assert!( phantom.layout().ty.ty_adt_def().is_some_and(|adt| adt.is_phantom_data()), @@ -156,7 +160,7 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { ); // ... that contains a `NonNull`... (gladly, only a single field here) assert_eq!(nonnull_ptr.layout().fields.count(), 1); - let raw_ptr = self.ecx().project_field(&nonnull_ptr, 0)?; // the actual raw ptr + let raw_ptr = self.ecx().project_field(&nonnull_ptr, FieldIdx::ZERO)?; // the actual raw ptr // ... whose only field finally is a raw ptr we can dereference. self.visit_box(ty, &raw_ptr)?; @@ -188,9 +192,8 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { } FieldsShape::Arbitrary { memory_index, .. } => { for idx in Self::aggregate_field_iter(memory_index) { - let idx = idx.as_usize(); let field = self.ecx().project_field(v, idx)?; - self.visit_field(v, idx, &field)?; + self.visit_field(v, idx.as_usize(), &field)?; } } FieldsShape::Array { .. } => { |