git.delta.rocks / jrsonnet / refs/commits / 708403715eb7

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),76	#[error("{0} is not indexable")]77	ValueIsNotIndexable(ValType),7879	#[error("super can't be used standalone")]80	StandaloneSuper,8182	#[error("can't resolve {1} from {0}")]83	ImportFileNotFound(PathBuf, PathBuf),84	#[error("resolved file not found: {0}")]85	ResolvedFileNotFound(PathBuf),86	#[error("imported file is not valid utf-8: {0:?}")]87	ImportBadFileUtf8(PathBuf),88	#[error("tried to import {1} from {0}, but imports is not supported")]89	ImportNotSupported(PathBuf, PathBuf),90	#[error(91		"syntax error, expected one of {}, got {:?}",92		.error.expected,93		.source_code.chars().nth(error.location.offset).map(|c| c.to_string()).unwrap_or_else(|| "EOF".into())94	)]95	ImportSyntaxError {96		path: Rc<Path>,97		source_code: IStr,98		#[unsafe_ignore_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)]156#[trivially_drop]157pub struct StackTraceElement {158	pub location: Option<ExprLocation>,159	pub desc: String,160}161#[derive(Debug, Clone, Trace)]162#[trivially_drop]163pub struct StackTrace(pub Vec<StackTraceElement>);164165#[derive(Debug, Clone, Trace)]166#[trivially_drop]167pub struct LocError(Box<(Error, StackTrace)>);168impl LocError {169	pub fn new(e: Error) -> Self {170		Self(Box::new((e, StackTrace(vec![]))))171	}172173	pub const fn error(&self) -> &Error {174		&(self.0).0175	}176	pub fn error_mut(&mut self) -> &mut Error {177		&mut (self.0).0178	}179	pub const fn trace(&self) -> &StackTrace {180		&(self.0).1181	}182	pub fn trace_mut(&mut self) -> &mut StackTrace {183		&mut (self.0).1184	}185}186187pub type Result<V> = std::result::Result<V, LocError>;188189#[macro_export]190macro_rules! throw {191	($e: expr) => {192		return Err($e.into());193	};194}