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)100 .map_or_else(|| "EOF".into(), |c| c.to_string())101 )]102 ImportSyntaxError {103 #[skip_trace]104 path: Rc<Path>,105 source_code: IStr,106 #[skip_trace]107 error: Box<jrsonnet_parser::ParseError>,108 },109110 #[error("runtime error: {0}")]111 RuntimeError(IStr),112 #[error("stack overflow, try to reduce recursion, or set --max-stack to bigger value")]113 StackOverflow,114 #[error("infinite recursion detected")]115 InfiniteRecursionDetected,116 #[error("tried to index by fractional value")]117 FractionalIndex,118 #[error("attempted to divide by zero")]119 DivisionByZero,120121 #[error("string manifest output is not an string")]122 StringManifestOutputIsNotAString,123 #[error("stream manifest output is not an array")]124 StreamManifestOutputIsNotAArray,125 #[error("multi manifest output is not an object")]126 MultiManifestOutputIsNotAObject,127128 #[error("cant recurse stream manifest")]129 StreamManifestOutputCannotBeRecursed,130 #[error("stream manifest output cannot consist of raw strings")]131 StreamManifestCannotNestString,132133 #[error("{0}")]134 ImportCallbackError(String),135 #[error("invalid unicode codepoint: {0}")]136 InvalidUnicodeCodepointGot(u32),137138 #[error("format error: {0}")]139 Format(#[from] FormatError),140 #[error("type error: {0}")]141 TypeError(TypeLocError),142 #[error("sort error: {0}")]143 Sort(#[from] SortError),144145 #[cfg(feature = "anyhow-error")]146 #[error(transparent)]147 Other(Rc<anyhow::Error>),148}149150#[cfg(feature = "anyhow-error")]151impl From<anyhow::Error> for LocError {152 fn from(e: anyhow::Error) -> Self {153 Self::new(Error::Other(Rc::new(e)))154 }155}156157impl From<Error> for LocError {158 fn from(e: Error) -> Self {159 Self::new(e)160 }161}162163#[derive(Clone, Debug, Trace)]164pub struct StackTraceElement {165 pub location: Option<ExprLocation>,166 pub desc: String,167}168#[derive(Debug, Clone, Trace)]169pub struct StackTrace(pub Vec<StackTraceElement>);170171#[derive(Clone, Trace)]172pub struct LocError(Box<(Error, StackTrace)>);173impl LocError {174 pub fn new(e: Error) -> Self {175 Self(Box::new((e, StackTrace(vec![]))))176 }177178 pub const fn error(&self) -> &Error {179 &(self.0).0180 }181 pub fn error_mut(&mut self) -> &mut Error {182 &mut (self.0).0183 }184 pub const fn trace(&self) -> &StackTrace {185 &(self.0).1186 }187 pub fn trace_mut(&mut self) -> &mut StackTrace {188 &mut (self.0).1189 }190}191impl Debug for LocError {192 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {193 writeln!(f, "{}", self.0 .0)?;194 for el in &self.0 .1 .0 {195 writeln!(f, "\t{:?}", el)?;196 }197 Ok(())198 }199}200201pub type Result<V, E = LocError> = std::result::Result<V, E>;202203#[macro_export]204macro_rules! throw {205 ($e: expr) => {206 return Err($e.into())207 };208}209210#[macro_export]211macro_rules! throw_runtime {212 ($($tt:tt)*) => {213 return Err($crate::error::Error::RuntimeError(format!($($tt)*).into()).into())214 };215}