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("founction 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),7677 #[error("super can't be used standalone")]78 StandaloneSuper,7980 #[error("can't resolve {1} from {0}")]81 ImportFileNotFound(PathBuf, PathBuf),82 #[error("resolved file not found: {0}")]83 ResolvedFileNotFound(PathBuf),84 #[error("imported file is not valid utf-8: {0:?}")]85 ImportBadFileUtf8(PathBuf),86 #[error("tried to import {1} from {0}, but imports is not supported")]87 ImportNotSupported(PathBuf, PathBuf),88 #[error(89 "syntax error, expected one of {}, got {:?}",90 .error.expected,91 .source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())92 )]93 ImportSyntaxError {94 path: Rc<Path>,95 source_code: IStr,96 #[unsafe_ignore_trace]97 error: Box<jrsonnet_parser::ParseError>,98 },99100 #[error("runtime error: {0}")]101 RuntimeError(IStr),102 #[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]103 StackOverflow,104 #[error("infinite recursion detected")]105 RecursiveLazyValueEvaluation,106 #[error("tried to index by fractional value")]107 FractionalIndex,108 #[error("attempted to divide by zero")]109 DivisionByZero,110111 #[error("string manifest output is not an string")]112 StringManifestOutputIsNotAString,113 #[error("stream manifest output is not an array")]114 StreamManifestOutputIsNotAArray,115 #[error("multi manifest output is not an object")]116 MultiManifestOutputIsNotAObject,117118 #[error("cant recurse stream manifest")]119 StreamManifestOutputCannotBeRecursed,120 #[error("stream manifest output cannot consist of raw strings")]121 StreamManifestCannotNestString,122123 #[error("{0}")]124 ImportCallbackError(String),125 #[error("invalid unicode codepoint: {0}")]126 InvalidUnicodeCodepointGot(u32),127128 #[error("format error: {0}")]129 Format(#[from] FormatError),130 #[error("type error: {0}")]131 TypeError(TypeLocError),132 #[error("sort error: {0}")]133 Sort(#[from] SortError),134135 #[cfg(feature = "anyhow-error")]136 #[error(transparent)]137 Other(Rc<anyhow::Error>),138}139140#[cfg(feature = "anyhow-error")]141impl From<anyhow::Error> for LocError {142 fn from(e: anyhow::Error) -> Self {143 Self::new(Error::Other(Rc::new(e)))144 }145}146147impl From<Error> for LocError {148 fn from(e: Error) -> Self {149 Self::new(e)150 }151}152153#[derive(Clone, Debug, Trace)]154#[trivially_drop]155pub struct StackTraceElement {156 pub location: Option<ExprLocation>,157 pub desc: String,158}159#[derive(Debug, Clone, Trace)]160#[trivially_drop]161pub struct StackTrace(pub Vec<StackTraceElement>);162163#[derive(Debug, Clone, Trace)]164#[trivially_drop]165pub struct LocError(Box<(Error, StackTrace)>);166impl LocError {167 pub fn new(e: Error) -> Self {168 Self(Box::new((e, StackTrace(vec![]))))169 }170171 pub const fn error(&self) -> &Error {172 &(self.0).0173 }174 pub fn error_mut(&mut self) -> &mut Error {175 &mut (self.0).0176 }177 pub const fn trace(&self) -> &StackTrace {178 &(self.0).1179 }180 pub fn trace_mut(&mut self) -> &mut StackTrace {181 &mut (self.0).1182 }183}184185pub type Result<V> = std::result::Result<V, LocError>;186187#[macro_export]188macro_rules! throw {189 ($e: expr) => {190 return Err($e.into());191 };192}