1 use super::BackendTypes;
2 use crate::mir::place::PlaceRef;
3 use rustc::mir::interpret::Allocation;
4 use rustc::mir::interpret::Scalar;
7 pub trait ConstMethods<'tcx>: BackendTypes {
8 // Constant constructors
9 fn const_null(&self, t: Self::Type) -> Self::Value;
10 fn const_undef(&self, t: Self::Type) -> Self::Value;
11 fn const_int(&self, t: Self::Type, i: i64) -> Self::Value;
12 fn const_uint(&self, t: Self::Type, i: u64) -> Self::Value;
13 fn const_uint_big(&self, t: Self::Type, u: u128) -> Self::Value;
14 fn const_bool(&self, val: bool) -> Self::Value;
15 fn const_i32(&self, i: i32) -> Self::Value;
16 fn const_u32(&self, i: u32) -> Self::Value;
17 fn const_u64(&self, i: u64) -> Self::Value;
18 fn const_usize(&self, i: u64) -> Self::Value;
19 fn const_u8(&self, i: u8) -> Self::Value;
20 fn const_real(&self, t: Self::Type, val: f64) -> Self::Value;
22 fn const_struct(&self, elts: &[Self::Value], packed: bool) -> Self::Value;
24 fn const_to_opt_uint(&self, v: Self::Value) -> Option<u64>;
25 fn const_to_opt_u128(&self, v: Self::Value, sign_ext: bool) -> Option<u128>;
30 layout: &layout::Scalar,
35 layout: layout::TyLayout<'tcx>,
38 ) -> PlaceRef<'tcx, Self::Value>;
40 fn const_ptrcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;