git.delta.rocks / jrsonnet / refs/commits / 629c80c906d4

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),1920	#[error("operator {0} does not operate on type {1}")]21	UnaryOperatorDoesNotOperateOnType(UnaryOpType, ValType),22	#[error("binary operation {1} {0} {2} is not implemented")]23	BinaryOperatorDoesNotOperateOnValues(BinaryOpType, ValType, ValType),2425	#[error("no top level object in this context")]26	NoTopLevelObjectFound,27	#[error("self is only usable inside objects")]28	CantUseSelfOutsideOfObject,29	#[error("no super found")]30	NoSuperFound,3132	#[error("for loop can only iterate over arrays")]33	InComprehensionCanOnlyIterateOverArray,3435	#[error("array out of bounds: {0} is not within [0,{1})")]36	ArrayBoundsError(usize, usize),3738	#[error("assert failed: {0}")]39	AssertionFailed(IStr),4041	#[error("variable is not defined: {0}")]42	VariableIsNotDefined(IStr),43	#[error("type mismatch: expected {}, got {2} {0}", .1.iter().map(|e| format!("{}", e)).collect::<Vec<_>>().join(", "))]44	TypeMismatch(&'static str, Vec<ValType>, ValType),45	#[error("no such field: {0}")]46	NoSuchField(IStr),4748	#[error("only functions can be called, got {0}")]49	OnlyFunctionsCanBeCalledGot(ValType),50	#[error("parameter {0} is not defined")]51	UnknownFunctionParameter(String),52	#[error("argument {0} is already bound")]53	BindingParameterASecondTime(IStr),54	#[error("too many args, function has {0}")]55	TooManyArgsFunctionHas(usize),56	#[error("function argument is not passed: {0}")]57	FunctionParameterNotBoundInCall(IStr),5859	#[error("external variable is not defined: {0}")]60	UndefinedExternalVariable(IStr),61	#[error("native is not defined: {0}")]62	UndefinedExternalFunction(IStr),6364	#[error("field name should be string, got {0}")]65	FieldMustBeStringGot(ValType),6667	#[error("attempted to index array with string {0}")]68	AttemptedIndexAnArrayWithString(IStr),69	#[error("{0} index type should be {1}, got {2}")]70	ValueIndexMustBeTypeGot(ValType, ValType, ValType),71	#[error("cant index into {0}")]72	CantIndexInto(ValType),73	#[error("{0} is not indexable")]74	ValueIsNotIndexable(ValType),7576	#[error("super can't be used standalone")]77	StandaloneSuper,7879	#[error("can't resolve {1} from {0}")]80	ImportFileNotFound(PathBuf, PathBuf),81	#[error("resolved file not found: {0}")]82	ResolvedFileNotFound(PathBuf),83	#[error("imported file is not valid utf-8: {0:?}")]84	ImportBadFileUtf8(PathBuf),85	#[error("import io error: {0}")]86	ImportIo(String),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, E = LocError> = std::result::Result<V, E>;185186#[macro_export]187macro_rules! throw {188	($e: expr) => {189		return Err($e.into())190	};191}