1use std::{2 fmt::Debug,3 path::{Path, PathBuf},4 rc::Rc,5};67use gcmodule::Trace;8use jrsonnet_interner::IStr;9use jrsonnet_parser::{BinaryOpType, ExprLocation, UnaryOpType};10use jrsonnet_types::ValType;11use thiserror::Error;1213use crate::{14 builtin::{format::FormatError, sort::SortError},15 typed::TypeLocError,16};1718#[derive(Error, Debug, Clone, Trace)]19pub enum Error {20 #[error("intrinsic not found: {0}")]21 IntrinsicNotFound(IStr),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),40 #[error("string out of bounds: {0} is not within [0,{1})")]41 StringBoundsError(usize, usize),4243 #[error("assert failed: {0}")]44 AssertionFailed(IStr),4546 #[error("variable is not defined: {0}")]47 VariableIsNotDefined(IStr),48 #[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]49 TypeMismatch(&'static str, Vec<ValType>, ValType),50 #[error("no such field: {0}")]51 NoSuchField(IStr),5253 #[error("only functions can be called, got {0}")]54 OnlyFunctionsCanBeCalledGot(ValType),55 #[error("parameter {0} is not defined")]56 UnknownFunctionParameter(String),57 #[error("argument {0} is already bound")]58 BindingParameterASecondTime(IStr),59 #[error("too many args, function has {0}")]60 TooManyArgsFunctionHas(usize),61 #[error("function argument is not passed: {0}")]62 FunctionParameterNotBoundInCall(IStr),6364 #[error("external variable is not defined: {0}")]65 UndefinedExternalVariable(IStr),66 #[error("native is not defined: {0}")]67 UndefinedExternalFunction(IStr),6869 #[error("field name should be string, got {0}")]70 FieldMustBeStringGot(ValType),71 #[error("duplicate field name: {0}")]72 DuplicateFieldName(IStr),7374 #[error("attempted to index array with string {0}")]75 AttemptedIndexAnArrayWithString(IStr),76 #[error("{0} index type should be {1}, got {2}")]77 ValueIndexMustBeTypeGot(ValType, ValType, ValType),78 #[error("cant index into {0}")]79 CantIndexInto(ValType),80 #[error("{0} is not indexable")]81 ValueIsNotIndexable(ValType),8283 #[error("super can't be used standalone")]84 StandaloneSuper,8586 #[error("can't resolve {1} from {0}")]87 ImportFileNotFound(PathBuf, PathBuf),88 #[error("resolved file not found: {0}")]89 ResolvedFileNotFound(PathBuf),90 #[error("imported file is not valid utf-8: {0:?}")]91 ImportBadFileUtf8(PathBuf),92 #[error("import io error: {0}")]93 ImportIo(String),94 #[error("tried to import {1} from {0}, but imports is not supported")]95 ImportNotSupported(PathBuf, PathBuf),96 #[error(97 "syntax error: expected {}, got {:?}",98 .error.expected,99 .source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())100 )]101 ImportSyntaxError {102 #[skip_trace]103 path: Rc<Path>,104 source_code: IStr,105 #[skip_trace]106 error: Box<jrsonnet_parser::ParseError>,107 },108109 #[error("runtime error: {0}")]110 RuntimeError(IStr),111 #[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]112 StackOverflow,113 #[error("infinite recursion detected")]114 InfiniteRecursionDetected,115 #[error("tried to index by fractional value")]116 FractionalIndex,117 #[error("attempted to divide by zero")]118 DivisionByZero,119120 #[error("string manifest output is not an string")]121 StringManifestOutputIsNotAString,122 #[error("stream manifest output is not an array")]123 StreamManifestOutputIsNotAArray,124 #[error("multi manifest output is not an object")]125 MultiManifestOutputIsNotAObject,126127 #[error("cant recurse stream manifest")]128 StreamManifestOutputCannotBeRecursed,129 #[error("stream manifest output cannot consist of raw strings")]130 StreamManifestCannotNestString,131132 #[error("{0}")]133 ImportCallbackError(String),134 #[error("invalid unicode codepoint: {0}")]135 InvalidUnicodeCodepointGot(u32),136137 #[error("format error: {0}")]138 Format(#[from] FormatError),139 #[error("type error: {0}")]140 TypeError(TypeLocError),141 #[error("sort error: {0}")]142 Sort(#[from] SortError),143144 #[cfg(feature = "anyhow-error")]145 #[error(transparent)]146 Other(Rc<anyhow::Error>),147}148149#[cfg(feature = "anyhow-error")]150impl From<anyhow::Error> for LocError {151 fn from(e: anyhow::Error) -> Self {152 Self::new(Error::Other(Rc::new(e)))153 }154}155156impl From<Error> for LocError {157 fn from(e: Error) -> Self {158 Self::new(e)159 }160}161162#[derive(Clone, Debug, Trace)]163pub struct StackTraceElement {164 pub location: Option<ExprLocation>,165 pub desc: String,166}167#[derive(Debug, Clone, Trace)]168pub struct StackTrace(pub Vec<StackTraceElement>);169170#[derive(Clone, Trace)]171pub struct LocError(Box<(Error, StackTrace)>);172impl LocError {173 pub fn new(e: Error) -> Self {174 Self(Box::new((e, StackTrace(vec![]))))175 }176177 pub const fn error(&self) -> &Error {178 &(self.0).0179 }180 pub fn error_mut(&mut self) -> &mut Error {181 &mut (self.0).0182 }183 pub const fn trace(&self) -> &StackTrace {184 &(self.0).1185 }186 pub fn trace_mut(&mut self) -> &mut StackTrace {187 &mut (self.0).1188 }189}190impl Debug for LocError {191 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {192 writeln!(f, "{}", self.0 .0)?;193 for el in self.0 .1 .0.iter() {194 writeln!(f, "\t{:?}", el)?;195 }196 Ok(())197 }198}199200pub type Result<V, E = LocError> = std::result::Result<V, E>;201202#[macro_export]203macro_rules! throw {204 ($e: expr) => {205 return Err($e.into())206 };207}208209#[macro_export]210macro_rules! throw_runtime {211 ($($tt:tt)*) => {212 return Err($crate::error::Error::RuntimeError(format!($($tt)*).into()).into())213 };214}