diff options
| -rw-r--r-- | tvix/eval/src/builtins/mod.rs | 15 | ||||
| -rw-r--r-- | tvix/eval/src/errors.rs | 4 |
2 files changed, 18 insertions, 1 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs index 39e29580b4c3..a856538f0d8a 100644 --- a/tvix/eval/src/builtins/mod.rs +++ b/tvix/eval/src/builtins/mod.rs @@ -8,13 +8,26 @@ use std::{ rc::Rc, }; -use crate::value::{Builtin, NixAttrs, NixString, Value}; +use crate::{ + errors::ErrorKind, + value::{Builtin, NixAttrs, NixString, Value}, +}; fn pure_builtins() -> Vec<Builtin> { vec![ + Builtin::new("abort", 1, |mut args| { + return Err( + ErrorKind::Abort(args.pop().unwrap().to_string()?.as_str().to_owned()).into(), + ); + }), Builtin::new("isNull", 1, |args| { Ok(Value::Bool(matches!(args[0], Value::Null))) }), + Builtin::new("throw", 1, |mut args| { + return Err( + ErrorKind::Throw(args.pop().unwrap().to_string()?.as_str().to_owned()).into(), + ); + }), Builtin::new("toString", 1, |args| { // TODO: toString is actually not the same as Display Ok(Value::String(format!("{}", args[0]).into())) diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs index a2fbdf02d186..96217cabaf4b 100644 --- a/tvix/eval/src/errors.rs +++ b/tvix/eval/src/errors.rs @@ -38,6 +38,10 @@ pub enum ErrorKind { ParseErrors(Vec<rnix::parser::ParseError>), AssertionFailed, + + // These are user-generated errors through builtins. + Throw(String), + Abort(String), } #[derive(Clone, Debug)] |