git.delta.rocks / jrsonnet / refs/commits / 9b331948fca2

52		}))52		}))
53	}53	}
5454
55	pub fn binding(&self, name: &str) -> LazyVal {55	pub fn binding(&self, name: &str) -> Result<LazyVal> {
56		self.0.bindings.get(name).cloned().unwrap_or_else(|| {56		self.0.bindings.get(name).cloned().ok_or_else(|| {
57			panic!("can't find {} in {:?}", name, self);57			create_error::<()>(Error::UnknownVariable(name.to_owned()))
58				.err()
59				.unwrap()
58		})60		})
59	}61	}
60	pub fn into_future(self, ctx: FutureContext) -> Context {62	pub fn into_future(self, ctx: FutureContext) -> Context {

--- a/crates/jsonnet-evaluator/src/error.rs
+++ b/crates/jsonnet-evaluator/src/error.rs
@@ -7,6 +7,8 @@
 	TypeMismatch(&'static str, Vec<ValType>, ValType),
 	NoSuchField(String),
 
+	UnknownVariable(String),
+
 	UnknownFunctionParameter(String),
 	BindingParameterASecondTime(String),
 	TooManyArgsFunctionHas(usize),

--- a/crates/jsonnet-evaluator/src/evaluate.rs
+++ b/crates/jsonnet-evaluator/src/evaluate.rs
@@ -397,7 +397,7 @@
 		BinaryOp(v1, o, v2) => evaluate_binary_op_special(context, &v1, *o, &v2)?,
 		UnaryOp(o, v) => evaluate_unary_op(*o, &evaluate(context, v)?)?,
 		Var(name) => push(locexpr, "var".to_owned(), || {
-			Val::Lazy(context.binding(&name)).unwrap_if_lazy()
+			Val::Lazy(context.binding(&name)?).unwrap_if_lazy()
 		})?,
 		Index(LocExpr(v, _), index) if matches!(&**v, Expr::Literal(LiteralType::Super)) => {
 			let name = evaluate(context.clone(), index)?.try_cast_str("object index")?;