1use crate::{2 builtin::{format::FormatError, sort::SortError},3 typed::TypeLocError,4};5use jrsonnet_gc::Trace;6use jrsonnet_interner::IStr;7use jrsonnet_parser::{BinaryOpType, ExprLocation, UnaryOpType};8use jrsonnet_types::ValType;9use std::{10 path::{Path, PathBuf},11 rc::Rc,12};13use thiserror::Error;1415#[derive(Error, Debug, Clone, Trace)]16#[trivially_drop]17pub enum Error {18 #[error("intrinsic not found: {0}")]19 IntrinsicNotFound(IStr),20 #[error("argument reordering in intrisics not supported yet")]21 IntrinsicArgumentReorderingIsNotSupportedYet,2223 #[error("operator {0} does not operate on type {1}")]24 UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),25 #[error("binary operation {1} {0} {2} is not implemented")]26 BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),2728 #[error("no top level object in this context")]29 NoTopLevelObjectFound,30 #[error("self is only usable inside objects")]31 CantUseSelfOutsideOfObject,32 #[error("no super found")]33 NoSuperFound,3435 #[error("for loop can only iterate over arrays")]36 InComprehensionCanOnlyIterateOverArray,3738 #[error("array out of bounds: {0} is not within [0,{1})")]39 ArrayBoundsError(usize, usize),4041 #[error("assert failed: {0}")]42 AssertionFailed(IStr),4344 #[error("variable is not defined: {0}")]45 VariableIsNotDefined(IStr),46 #[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]47 TypeMismatch(&'static str, Vec<ValType>, ValType),48 #[error("no such field: {0}")]49 NoSuchField(IStr),5051 #[error("only functions can be called, got {0}")]52 OnlyFunctionsCanBeCalledGot(ValType),53 #[error("parameter {0} is not defined")]54 UnknownFunctionParameter(String),55 #[error("argument {0} is already bound")]56 BindingParameterASecondTime(IStr),57 #[error("too many args, function has {0}")]58 TooManyArgsFunctionHas(usize),59 #[error("function argument is not passed: {0}")]60 FunctionParameterNotBoundInCall(IStr),6162 #[error("external variable is not defined: {0}")]63 UndefinedExternalVariable(IStr),64 #[error("native is not defined: {0}")]65 UndefinedExternalFunction(IStr),6667 #[error("field name should be string, got {0}")]68 FieldMustBeStringGot(ValType),6970 #[error("attempted to index array with string {0}")]71 AttemptedIndexAnArrayWithString(IStr),72 #[error("{0} index type should be {1}, got {2}")]73 ValueIndexMustBeTypeGot(ValType, ValType, ValType),74 #[error("cant index into {0}")]75 CantIndexInto(ValType),76 #[error("{0} is not indexable")]77 ValueIsNotIndexable(ValType),7879 #[error("super can't be used standalone")]80 StandaloneSuper,8182 #[error("can't resolve {1} from {0}")]83 ImportFileNotFound(PathBuf, PathBuf),84 #[error("resolved file not found: {0}")]85 ResolvedFileNotFound(PathBuf),86 #[error("imported file is not valid utf-8: {0:?}")]87 ImportBadFileUtf8(PathBuf),88 #[error("tried to import {1} from {0}, but imports is not supported")]89 ImportNotSupported(PathBuf, PathBuf),90 #[error(91 "syntax error, expected one of {}, got {:?}",92 .error.expected,93 .source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())94 )]95 ImportSyntaxError {96 path: Rc<Path>,97 source_code: IStr,98 #[unsafe_ignore_trace]99 error: Box<jrsonnet_parser::ParseError>,100 },101102 #[error("runtime error: {0}")]103 RuntimeError(IStr),104 #[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]105 StackOverflow,106 #[error("infinite recursion detected")]107 RecursiveLazyValueEvaluation,108 #[error("tried to index by fractional value")]109 FractionalIndex,110 #[error("attempted to divide by zero")]111 DivisionByZero,112113 #[error("string manifest output is not an string")]114 StringManifestOutputIsNotAString,115 #[error("stream manifest output is not an array")]116 StreamManifestOutputIsNotAArray,117 #[error("multi manifest output is not an object")]118 MultiManifestOutputIsNotAObject,119120 #[error("cant recurse stream manifest")]121 StreamManifestOutputCannotBeRecursed,122 #[error("stream manifest output cannot consist of raw strings")]123 StreamManifestCannotNestString,124125 #[error("{0}")]126 ImportCallbackError(String),127 #[error("invalid unicode codepoint: {0}")]128 InvalidUnicodeCodepointGot(u32),129130 #[error("format error: {0}")]131 Format(#[from] FormatError),132 #[error("type error: {0}")]133 TypeError(TypeLocError),134 #[error("sort error: {0}")]135 Sort(#[from] SortError),136137 #[cfg(feature = "anyhow-error")]138 #[error(transparent)]139 Other(Rc<anyhow::Error>),140}141142#[cfg(feature = "anyhow-error")]143impl From<anyhow::Error> for LocError {144 fn from(e: anyhow::Error) -> Self {145 Self::new(Error::Other(Rc::new(e)))146 }147}148149impl From<Error> for LocError {150 fn from(e: Error) -> Self {151 Self::new(e)152 }153}154155#[derive(Clone, Debug, Trace)]156#[trivially_drop]157pub struct StackTraceElement {158 pub location: Option<ExprLocation>,159 pub desc: String,160}161#[derive(Debug, Clone, Trace)]162#[trivially_drop]163pub struct StackTrace(pub Vec<StackTraceElement>);164165#[derive(Debug, Clone, Trace)]166#[trivially_drop]167pub struct LocError(Box<(Error, StackTrace)>);168impl LocError {169 pub fn new(e: Error) -> Self {170 Self(Box::new((e, StackTrace(vec![]))))171 }172173 pub const fn error(&self) -> &Error {174 &(self.0).0175 }176 pub fn error_mut(&mut self) -> &mut Error {177 &mut (self.0).0178 }179 pub const fn trace(&self) -> &StackTrace {180 &(self.0).1181 }182 pub fn trace_mut(&mut self) -> &mut StackTrace {183 &mut (self.0).1184 }185}186187pub type Result<V> = std::result::Result<V, LocError>;188189#[macro_export]190macro_rules! throw {191 ($e: expr) => {192 return Err($e.into())193 };194}