1use crate::{2 builtin::{format::FormatError, sort::SortError},3 typed::TypeLocError,4};5use gcmodule::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)]16pub enum Error {17 #[error("intrinsic not found: {0}")]18 IntrinsicNotFound(IStr),19 #[error("argument reordering in intrisics not supported yet")]20 IntrinsicArgumentReorderingIsNotSupportedYet,2122 #[error("operator {0} does not operate on type {1}")]23 UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),24 #[error("binary operation {1} {0} {2} is not implemented")]25 BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),2627 #[error("no top level object in this context")]28 NoTopLevelObjectFound,29 #[error("self is only usable inside objects")]30 CantUseSelfOutsideOfObject,31 #[error("no super found")]32 NoSuperFound,3334 #[error("for loop can only iterate over arrays")]35 InComprehensionCanOnlyIterateOverArray,3637 #[error("array out of bounds: {0} is not within [0,{1})")]38 ArrayBoundsError(usize, usize),3940 #[error("assert failed: {0}")]41 AssertionFailed(IStr),4243 #[error("variable is not defined: {0}")]44 VariableIsNotDefined(IStr),45 #[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]46 TypeMismatch(&'static str, Vec<ValType>, ValType),47 #[error("no such field: {0}")]48 NoSuchField(IStr),4950 #[error("only functions can be called, got {0}")]51 OnlyFunctionsCanBeCalledGot(ValType),52 #[error("parameter {0} is not defined")]53 UnknownFunctionParameter(String),54 #[error("argument {0} is already bound")]55 BindingParameterASecondTime(IStr),56 #[error("too many args, function has {0}")]57 TooManyArgsFunctionHas(usize),58 #[error("function argument is not passed: {0}")]59 FunctionParameterNotBoundInCall(IStr),6061 #[error("external variable is not defined: {0}")]62 UndefinedExternalVariable(IStr),63 #[error("native is not defined: {0}")]64 UndefinedExternalFunction(IStr),6566 #[error("field name should be string, got {0}")]67 FieldMustBeStringGot(ValType),6869 #[error("attempted to index array with string {0}")]70 AttemptedIndexAnArrayWithString(IStr),71 #[error("{0} index type should be {1}, got {2}")]72 ValueIndexMustBeTypeGot(ValType, ValType, ValType),73 #[error("cant index into {0}")]74 CantIndexInto(ValType),75 #[error("{0} is not indexable")]76 ValueIsNotIndexable(ValType),7778 #[error("super can't be used standalone")]79 StandaloneSuper,8081 #[error("can't resolve {1} from {0}")]82 ImportFileNotFound(PathBuf, PathBuf),83 #[error("resolved file not found: {0}")]84 ResolvedFileNotFound(PathBuf),85 #[error("imported file is not valid utf-8: {0:?}")]86 ImportBadFileUtf8(PathBuf),87 #[error("tried to import {1} from {0}, but imports is not supported")]88 ImportNotSupported(PathBuf, PathBuf),89 #[error(90 "syntax error: expected {}, got {:?}",91 .error.expected,92 .source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())93 )]94 ImportSyntaxError {95 #[skip_trace]96 path: Rc<Path>,97 source_code: IStr,98 #[skip_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)]156pub struct StackTraceElement {157 pub location: Option<ExprLocation>,158 pub desc: String,159}160#[derive(Debug, Clone, Trace)]161pub struct StackTrace(pub Vec<StackTraceElement>);162163#[derive(Debug, Clone, Trace)]164pub struct LocError(Box<(Error, StackTrace)>);165impl LocError {166 pub fn new(e: Error) -> Self {167 Self(Box::new((e, StackTrace(vec![]))))168 }169170 pub const fn error(&self) -> &Error {171 &(self.0).0172 }173 pub fn error_mut(&mut self) -> &mut Error {174 &mut (self.0).0175 }176 pub const fn trace(&self) -> &StackTrace {177 &(self.0).1178 }179 pub fn trace_mut(&mut self) -> &mut StackTrace {180 &mut (self.0).1181 }182}183184pub type Result<V> = std::result::Result<V, LocError>;185186#[macro_export]187macro_rules! throw {188 ($e: expr) => {189 return Err($e.into())190 };191}