tvl-depot/tvix/eval/src/errors.rs
Vincent Ambo de26894814 refactor(tvix/eval): remove Error::InvalidKeyType
We're confident that we're handling all branches that can reasonably
occur from valid AST, any other cases should be considered a critical
evaluator bug and panic rather than surfacing something that looks
like user error.

Change-Id: If96966eb32b8ff12fcaeb9ea3b0c8fc51b6abd11
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6205
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
2022-08-30 17:13:27 +00:00

39 lines
796 B
Rust

use std::fmt::Display;
#[derive(Debug)]
pub enum Error {
DuplicateAttrsKey {
key: String,
},
AttributeNotFound {
name: String,
},
TypeError {
expected: &'static str,
actual: &'static str,
},
Incomparable {
lhs: &'static str,
rhs: &'static str,
},
// Resolving a user-supplied path literal failed in some way.
PathResolution(String),
// Dynamic keys are not allowed in let.
DynamicKeyInLet(rnix::SyntaxNode),
// Unknown variable in statically known scope.
UnknownStaticVariable(rnix::types::Ident),
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
writeln!(f, "{:?}", self)
}
}
pub type EvalResult<T> = Result<T, Error>;