difftreelog
fix(evaluator) do not panic in bad operations
in: master
2 files changed
crates/jsonnet-evaluator/src/error.rsdiffbeforeafterboth1use crate::ValType;2use jsonnet_parser::{BinaryOpType, ExprLocation, UnaryOpType};3use std::{path::PathBuf, rc::Rc};45#[derive(Debug, Clone)]6pub enum Error {7 IntristicNotFound(Rc<str>, Rc<str>),8 IntristicArgumentReorderingIsNotSupportedYet,910 UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),11 BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),1213 VariableIsNotDefined(String),14 TypeMismatch(&'static str, Vec<ValType>, ValType),15 NoSuchField(Rc<str>),1617 UnknownVariable(Rc<str>),1819 OnlyFunctionsCanBeCalledGot(ValType),20 UnknownFunctionParameter(String),21 BindingParameterASecondTime(Rc<str>),22 TooManyArgsFunctionHas(usize),23 FunctionParameterNotBoundInCall(Rc<str>),2425 UndefinedExternalVariable(Rc<str>),2627 FieldMustBeStringGot(ValType),2829 AttemptedIndexAnArrayWithString(Rc<str>),30 ValueIndexMustBeTypeGot(ValType, ValType, ValType),31 CantIndexInto(ValType),3233 StandaloneSuper,3435 ImportFileNotFound(PathBuf, PathBuf),36 ResolvedFileNotFound(PathBuf),37 ImportBadFileUtf8(PathBuf),38 ImportNotSupported(PathBuf, PathBuf),39 ImportSyntaxError(jsonnet_parser::ParseError),4041 RuntimeError(Rc<str>),42 StackOverflow,43 FractionalIndex,44 DivisionByZero,45}4647#[derive(Clone, Debug)]48pub struct StackTraceElement(pub ExprLocation, pub String);49#[derive(Debug, Clone)]50pub struct StackTrace(pub Vec<StackTraceElement>);5152#[derive(Debug, Clone)]53pub struct LocError(pub Error, pub StackTrace);54pub type Result<V> = std::result::Result<V, LocError>;crates/jsonnet-evaluator/src/evaluate.rsdiffbeforeafterboth--- a/crates/jsonnet-evaluator/src/evaluate.rs
+++ b/crates/jsonnet-evaluator/src/evaluate.rs
@@ -74,7 +74,10 @@
(UnaryOpType::Not, Val::Bool(v)) => Val::Bool(!v),
(UnaryOpType::Minus, Val::Num(n)) => Val::Num(-*n),
(UnaryOpType::BitNot, Val::Num(n)) => Val::Num(!(*n as i32) as f64),
- (op, o) => panic!("unary op not implemented: {:?} {:?}", op, o),
+ (op, o) => create_error(Error::UnaryOperatorDoesNotOperateOnType(
+ op,
+ o.value_type()?,
+ ))?,
})
}
@@ -92,7 +95,11 @@
(Val::Obj(v1), Val::Obj(v2)) => Val::Obj(v2.with_super(v1.clone())),
(Val::Arr(a), Val::Arr(b)) => Val::Arr(Rc::new([&a[..], &b[..]].concat())),
(Val::Num(v1), Val::Num(v2)) => Val::Num(v1 + v2),
- _ => panic!("can't add: {:?} and {:?}", a, b),
+ _ => create_error(Error::BinaryOperatorDoesNotOperateOnValues(
+ BinaryOpType::Add,
+ a.value_type()?,
+ b.value_type()?,
+ ))?,
})
}
@@ -161,7 +168,11 @@
Val::Num(((*v1 as i32) >> (*v2 as i32)) as f64)
}
- _ => panic!("no rules for binary operation: {:?} {:?} {:?}", a, op, b),
+ _ => create_error(Error::BinaryOperatorDoesNotOperateOnValues(
+ op,
+ a.value_type()?,
+ b.value_type()?,
+ ))?,
})
}