1use std::{fmt::Debug, path::PathBuf};23use gcmodule::Trace;4use jrsonnet_interner::IStr;5use jrsonnet_parser::{BinaryOpType, ExprLocation, Source, UnaryOpType};6use jrsonnet_types::ValType;7use thiserror::Error;89use crate::{10 stdlib::{format::FormatError, sort::SortError},11 typed::TypeLocError,12};1314#[derive(Error, Debug, Clone, Trace)]15pub enum Error {16 #[error("intrinsic not found: {0}")]17 IntrinsicNotFound(IStr),1819 #[error("operator {0} does not operate on type {1}")]20 UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),21 #[error("binary operation {1} {0} {2} is not implemented")]22 BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),2324 #[error("no top level object in this context")]25 NoTopLevelObjectFound,26 #[error("self is only usable inside objects")]27 CantUseSelfOutsideOfObject,28 #[error("no super found")]29 NoSuperFound,3031 #[error("for loop can only iterate over arrays")]32 InComprehensionCanOnlyIterateOverArray,3334 #[error("array out of bounds: {0} is not within [0,{1})")]35 ArrayBoundsError(usize, usize),36 #[error("string out of bounds: {0} is not within [0,{1})")]37 StringBoundsError(usize, usize),3839 #[error("assert failed: {0}")]40 AssertionFailed(IStr),4142 #[error("variable is not defined: {0}")]43 VariableIsNotDefined(IStr),44 #[error("duplicate local var: {0}")]45 DuplicateLocalVar(IStr),4647 #[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]48 TypeMismatch(&'static str, Vec<ValType>, ValType),49 #[error("no such field: {0}")]50 NoSuchField(IStr),5152 #[error("only functions can be called, got {0}")]53 OnlyFunctionsCanBeCalledGot(ValType),54 #[error("parameter {0} is not defined")]55 UnknownFunctionParameter(String),56 #[error("argument {0} is already bound")]57 BindingParameterASecondTime(IStr),58 #[error("too many args, function has {0}")]59 TooManyArgsFunctionHas(usize),60 #[error("function argument is not passed: {0}")]61 FunctionParameterNotBoundInCall(IStr),6263 #[error("external variable is not defined: {0}")]64 UndefinedExternalVariable(IStr),6566 #[error("field name should be string, got {0}")]67 FieldMustBeStringGot(ValType),68 #[error("duplicate field name: {0}")]69 DuplicateFieldName(IStr),7071 #[error("attempted to index array with string {0}")]72 AttemptedIndexAnArrayWithString(IStr),73 #[error("{0} index type should be {1}, got {2}")]74 ValueIndexMustBeTypeGot(ValType, ValType, ValType),75 #[error("cant index into {0}")]76 CantIndexInto(ValType),77 #[error("{0} is not indexable")]78 ValueIsNotIndexable(ValType),7980 #[error("super can't be used standalone")]81 StandaloneSuper,8283 #[error("can't resolve {1} from {0}")]84 ImportFileNotFound(PathBuf, String),85 #[error("resolved file not found: {0}")]86 ResolvedFileNotFound(PathBuf),87 #[error("imported file is not valid utf-8: {0:?}")]88 ImportBadFileUtf8(PathBuf),89 #[error("import io error: {0}")]90 ImportIo(String),91 #[error("tried to import {1} from {0}, but imports is not supported")]92 ImportNotSupported(PathBuf, PathBuf),93 #[error("can't import from virtual file")]94 CantImportFromVirtualFile,95 #[error(96 "syntax error: expected {}, got {:?}",97 .error.expected,98 .source_code.chars().nth(error.location.offset)99 .map_or_else(|| "EOF".into(), |c| c.to_string())100 )]101 ImportSyntaxError {102 path: Source,103 source_code: IStr,104 #[skip_trace]105 error: Box<jrsonnet_parser::ParseError>,106 },107108 #[error("runtime error: {0}")]109 RuntimeError(IStr),110 #[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]111 StackOverflow,112 #[error("infinite recursion detected")]113 InfiniteRecursionDetected,114 #[error("tried to index by fractional value")]115 FractionalIndex,116 #[error("attempted to divide by zero")]117 DivisionByZero,118119 #[error("string manifest output is not an string")]120 StringManifestOutputIsNotAString,121 #[error("stream manifest output is not an array")]122 StreamManifestOutputIsNotAArray,123 #[error("multi manifest output is not an object")]124 MultiManifestOutputIsNotAObject,125126 #[error("cant recurse stream manifest")]127 StreamManifestOutputCannotBeRecursed,128 #[error("stream manifest output cannot consist of raw strings")]129 StreamManifestCannotNestString,130131 #[error("{0}")]132 ImportCallbackError(String),133 #[error("invalid unicode codepoint: {0}")]134 InvalidUnicodeCodepointGot(u32),135136 #[error("format error: {0}")]137 Format(#[from] FormatError),138 #[error("type error: {0}")]139 TypeError(TypeLocError),140 #[error("sort error: {0}")]141 Sort(#[from] SortError),142143 144 145 #[error("should not reach outside: std.thisFile")]146 MagicThisFileUsed,147148 #[cfg(feature = "anyhow-error")]149 #[error(transparent)]150 Other(Rc<anyhow::Error>),151}152153#[cfg(feature = "anyhow-error")]154impl From<anyhow::Error> for LocError {155 fn from(e: anyhow::Error) -> Self {156 Self::new(Error::Other(Rc::new(e)))157 }158}159160impl From<Error> for LocError {161 fn from(e: Error) -> Self {162 Self::new(e)163 }164}165166#[derive(Clone, Debug, Trace)]167pub struct StackTraceElement {168 pub location: Option<ExprLocation>,169 pub desc: String,170}171#[derive(Debug, Clone, Trace)]172pub struct StackTrace(pub Vec<StackTraceElement>);173174#[derive(Clone, Trace)]175pub struct LocError(Box<(Error, StackTrace)>);176impl LocError {177 pub fn new(e: Error) -> Self {178 Self(Box::new((e, StackTrace(vec![]))))179 }180181 pub const fn error(&self) -> &Error {182 &(self.0).0183 }184 pub fn error_mut(&mut self) -> &mut Error {185 &mut (self.0).0186 }187 pub const fn trace(&self) -> &StackTrace {188 &(self.0).1189 }190 pub fn trace_mut(&mut self) -> &mut StackTrace {191 &mut (self.0).1192 }193}194impl Debug for LocError {195 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {196 writeln!(f, "{}", self.0 .0)?;197 for el in &self.0 .1 .0 {198 writeln!(f, "\t{:?}", el)?;199 }200 Ok(())201 }202}203204pub type Result<V, E = LocError> = std::result::Result<V, E>;205206#[macro_export]207macro_rules! throw {208 ($e: expr) => {209 return Err($e.into())210 };211}212213#[macro_export]214macro_rules! throw_runtime {215 ($($tt:tt)*) => {216 return Err($crate::error::Error::RuntimeError(format!($($tt)*).into()).into())217 };218}