register_allocator/src/error.rs

   1 use crate::loc::{BaseTy, Ty};
   2 use thiserror::Error;
   3
   4 #[derive(Debug, Error)]
   5 pub enum Error {
   6     #[error("can't create a vector of an only-scalar type: {base_ty:?}")]
   7     TriedToCreateVectorOfOnlyScalarType { base_ty: BaseTy },
   8     #[error("reg_len out of range")]
   9     RegLenOutOfRange,
  10     #[error("invalid reg_len")]
  11     InvalidRegLen,
  12     #[error("start not in valid range")]
  13     StartNotInValidRange,
  14     #[error("BaseTy mismatch")]
  15     BaseTyMismatch,
  16     #[error("invalid sub-Loc: offset and/or reg_len out of range")]
  17     InvalidSubLocOutOfRange,
  18     #[error("Ty mismatch: expected {expected_ty:?} got {ty:?}")]
  19     TyMismatch {
  20         ty: Option<Ty>,
  21         expected_ty: Option<Ty>,
  22     },
  23 }
  24
  25 pub type Result<T, E = Error> = std::result::Result<T, E>;