git.delta.rocks / jrsonnet / refs/commits / df9bc99da41f

1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![warn(clippy::all, clippy::nursery)]3#![allow(4	macro_expanded_macro_exports_accessed_by_absolute_paths,5	clippy::ptr_arg6)]78mod builtin;9mod ctx;10mod dynamic;11pub mod error;12mod evaluate;13mod function;14mod import;15mod integrations;16mod map;17pub mod native;18mod obj;19pub mod trace;20pub mod typed;21mod val;2223pub use ctx::*;24pub use dynamic::*;25use error::{Error::*, LocError, Result, StackTraceElement};26pub use evaluate::*;27pub use function::parse_function_call;28use gc::{GcHashMap, TraceBox};29use gcmodule::{Cc, Trace};30pub use import::*;31pub use jrsonnet_interner::IStr;32use jrsonnet_parser::*;33use native::NativeCallback;34pub use obj::*;35use std::{36	cell::{Ref, RefCell, RefMut},37	collections::HashMap,38	fmt::Debug,39	path::{Path, PathBuf},40	rc::Rc,41};42use trace::{location_to_offset, offset_to_location, CodeLocation, CompactFormat, TraceFormat};43pub use val::*;44pub mod gc;4546pub trait Bindable: Trace + 'static {47	fn bind(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal>;48}4950#[derive(Clone, Trace)]51pub enum LazyBinding {52	Bindable(Cc<TraceBox<dyn Bindable>>),53	Bound(LazyVal),54}5556impl Debug for LazyBinding {57	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {58		write!(f, "LazyBinding")59	}60}61impl LazyBinding {62	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {63		match self {64			Self::Bindable(v) => v.bind(this, super_obj),65			Self::Bound(v) => Ok(v.clone()),66		}67	}68}6970pub struct EvaluationSettings {71	/// Limits recursion by limiting the number of stack frames72	pub max_stack: usize,73	/// Limits amount of stack trace items preserved74	pub max_trace: usize,75	/// Used for s`td.extVar`76	pub ext_vars: HashMap<IStr, Val>,77	/// Used for ext.native78	pub ext_natives: HashMap<IStr, Cc<NativeCallback>>,79	/// TLA vars80	pub tla_vars: HashMap<IStr, Val>,81	/// Global variables are inserted in default context82	pub globals: HashMap<IStr, Val>,83	/// Used to resolve file locations/contents84	pub import_resolver: Box<dyn ImportResolver>,85	/// Used in manifestification functions86	pub manifest_format: ManifestFormat,87	/// Used for bindings88	pub trace_format: Box<dyn TraceFormat>,89}90impl Default for EvaluationSettings {91	fn default() -> Self {92		Self {93			max_stack: 200,94			max_trace: 20,95			globals: Default::default(),96			ext_vars: Default::default(),97			ext_natives: Default::default(),98			tla_vars: Default::default(),99			import_resolver: Box::new(DummyImportResolver),100			manifest_format: ManifestFormat::Json(4),101			trace_format: Box::new(CompactFormat {102				padding: 4,103				resolver: trace::PathResolver::Absolute,104			}),105		}106	}107}108109#[derive(Default)]110struct EvaluationData {111	/// Used for stack overflow detection, stacktrace is populated on unwind112	stack_depth: usize,113	/// Updated every time stack entry is popt114	stack_generation: usize,115116	breakpoints: Breakpoints,117	/// Contains file source codes and evaluation results for imports and pretty-printed stacktraces118	files: HashMap<Rc<Path>, FileData>,119	str_files: HashMap<Rc<Path>, IStr>,120}121122pub struct FileData {123	source_code: IStr,124	parsed: LocExpr,125	evaluated: Option<Val>,126}127128#[allow(clippy::type_complexity)]129pub struct Breakpoint {130	loc: ExprLocation,131	collected: RefCell<HashMap<usize, (usize, Vec<Result<Val>>)>>,132}133#[derive(Default)]134struct Breakpoints(Vec<Rc<Breakpoint>>);135impl Breakpoints {136	fn insert(137		&self,138		stack_depth: usize,139		stack_generation: usize,140		loc: &ExprLocation,141		result: Result<Val>,142	) -> Result<Val> {143		if self.0.is_empty() {144			return result;145		}146		for item in self.0.iter() {147			if item.loc.belongs_to(loc) {148				let mut collected = item.collected.borrow_mut();149				let (depth, vals) = collected.entry(stack_generation).or_default();150				if stack_depth > *depth {151					vals.clear();152				}153				vals.push(result.clone());154			}155		}156		result157	}158}159160#[derive(Default)]161pub struct EvaluationStateInternals {162	/// Internal state163	data: RefCell<EvaluationData>,164	/// Settings, safe to change at runtime165	settings: RefCell<EvaluationSettings>,166}167168thread_local! {169	/// Contains the state for a currently executed file.170	/// Global state is fine here.171	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)172}173pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {174	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))175}176pub(crate) fn push_frame<T>(177	e: &ExprLocation,178	frame_desc: impl FnOnce() -> String,179	f: impl FnOnce() -> Result<T>,180) -> Result<T> {181	with_state(|s| s.push(e, frame_desc, f))182}183184#[allow(dead_code)]185pub(crate) fn push_val_frame(186	e: &ExprLocation,187	frame_desc: impl FnOnce() -> String,188	f: impl FnOnce() -> Result<Val>,189) -> Result<Val> {190	with_state(|s| s.push_val(e, frame_desc, f))191}192#[allow(dead_code)]193pub(crate) fn push_description_frame<T>(194	frame_desc: impl FnOnce() -> String,195	f: impl FnOnce() -> Result<T>,196) -> Result<T> {197	with_state(|s| s.push_description(frame_desc, f))198}199200/// Maintains stack trace and import resolution201#[derive(Default, Clone)]202pub struct EvaluationState(Rc<EvaluationStateInternals>);203204impl EvaluationState {205	/// Parses and adds file as loaded206	pub fn add_file(&self, path: Rc<Path>, source_code: IStr) -> Result<()> {207		self.add_parsed_file(208			path.clone(),209			source_code.clone(),210			parse(211				&source_code,212				&ParserSettings {213					file_name: path.clone(),214				},215			)216			.map_err(|error| ImportSyntaxError {217				error: Box::new(error),218				path: path.to_owned(),219				source_code,220			})?,221		)?;222223		Ok(())224	}225226	pub fn reset_evaluation_state(&self, name: &Path) {227		self.data_mut()228			.files229			.get_mut(name)230			.unwrap()231			.evaluated232			.take();233	}234235	/// Adds file by source code and parsed expr236	pub fn add_parsed_file(237		&self,238		name: Rc<Path>,239		source_code: IStr,240		parsed: LocExpr,241	) -> Result<()> {242		self.data_mut().files.insert(243			name,244			FileData {245				source_code,246				parsed,247				evaluated: None,248			},249		);250251		Ok(())252	}253	pub fn get_source(&self, name: &Path) -> Option<IStr> {254		let ro_map = &self.data().files;255		ro_map.get(name).map(|value| value.source_code.clone())256	}257	pub fn map_source_locations(&self, file: &Path, locs: &[usize]) -> Vec<CodeLocation> {258		offset_to_location(&self.get_source(file).unwrap_or_else(|| "".into()), locs)259	}260	pub fn map_from_source_location(261		&self,262		file: &Path,263		line: usize,264		column: usize,265	) -> Option<usize> {266		location_to_offset(&self.get_source(file).unwrap(), line, column)267	}268	pub fn import_file(&self, from: &Path, path: &Path) -> Result<Val> {269		let file_path = self.resolve_file(from, path)?;270		{271			let data = self.data();272			let files = &data.files;273			if files.contains_key(&file_path as &Path) {274				drop(data);275				return self.evaluate_loaded_file_raw(&file_path);276			}277		}278		let contents = self.load_file_contents(&file_path)?;279		self.add_file(file_path.clone(), contents)?;280		self.evaluate_loaded_file_raw(&file_path)281	}282	pub(crate) fn import_file_str(&self, from: &Path, path: &Path) -> Result<IStr> {283		let path = self.resolve_file(from, path)?;284		if !self.data().str_files.contains_key(&path) {285			let file_str = self.load_file_contents(&path)?;286			self.data_mut().str_files.insert(path.clone(), file_str);287		}288		Ok(self.data().str_files.get(&path).cloned().unwrap())289	}290291	fn evaluate_loaded_file_raw(&self, name: &Path) -> Result<Val> {292		let expr: LocExpr = {293			let ro_map = &self.data().files;294			let value = ro_map295				.get(name)296				.unwrap_or_else(|| panic!("file not added: {:?}", name));297			if let Some(ref evaluated) = value.evaluated {298				return Ok(evaluated.clone());299			}300			value.parsed.clone()301		};302		let value = evaluate(self.create_default_context(), &expr)?;303		{304			self.data_mut()305				.files306				.get_mut(name)307				.unwrap()308				.evaluated309				.replace(value.clone());310		}311		Ok(value)312	}313314	/// Adds standard library global variable (std) to this evaluator315	pub fn with_stdlib(&self) -> &Self {316		use jrsonnet_stdlib::STDLIB_STR;317		let std_path: Rc<Path> = PathBuf::from("std.jsonnet").into();318		self.run_in_state(|| {319			self.add_parsed_file(320				std_path.clone(),321				STDLIB_STR.to_owned().into(),322				builtin::get_parsed_stdlib(),323			)324			.unwrap();325			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();326			self.settings_mut().globals.insert("std".into(), val);327		});328		self329	}330331	/// Creates context with all passed global variables332	pub fn create_default_context(&self) -> Context {333		let globals = &self.settings().globals;334		let mut new_bindings = GcHashMap::with_capacity(globals.len());335		for (name, value) in globals.iter() {336			new_bindings.insert(name.clone(), LazyVal::new_resolved(value.clone()));337		}338		Context::new().extend_bound(new_bindings)339	}340341	/// Executes code creating a new stack frame342	pub fn push<T>(343		&self,344		e: &ExprLocation,345		frame_desc: impl FnOnce() -> String,346		f: impl FnOnce() -> Result<T>,347	) -> Result<T> {348		{349			let mut data = self.data_mut();350			let stack_depth = &mut data.stack_depth;351			if *stack_depth > self.max_stack() {352				// Error creation uses data, so i drop guard here353				drop(data);354				throw!(StackOverflow);355			} else {356				*stack_depth += 1;357			}358		}359		let result = f();360		{361			let mut data = self.data_mut();362			data.stack_depth -= 1;363			data.stack_generation += 1;364		}365		if let Err(mut err) = result {366			err.trace_mut().0.push(StackTraceElement {367				location: Some(e.clone()),368				desc: frame_desc(),369			});370			return Err(err);371		}372		result373	}374375	/// Executes code creating a new stack frame376	pub fn push_val(377		&self,378		e: &ExprLocation,379		frame_desc: impl FnOnce() -> String,380		f: impl FnOnce() -> Result<Val>,381	) -> Result<Val> {382		{383			let mut data = self.data_mut();384			let stack_depth = &mut data.stack_depth;385			if *stack_depth > self.max_stack() {386				// Error creation uses data, so i drop guard here387				drop(data);388				throw!(StackOverflow);389			} else {390				*stack_depth += 1;391			}392		}393		let mut result = f();394		{395			let mut data = self.data_mut();396			data.stack_depth -= 1;397			data.stack_generation += 1;398			result = data399				.breakpoints400				.insert(data.stack_depth, data.stack_generation, e, result);401		}402		if let Err(mut err) = result {403			err.trace_mut().0.push(StackTraceElement {404				location: Some(e.clone()),405				desc: frame_desc(),406			});407			return Err(err);408		}409		result410	}411	/// Executes code creating a new stack frame412	pub fn push_description<T>(413		&self,414		frame_desc: impl FnOnce() -> String,415		f: impl FnOnce() -> Result<T>,416	) -> Result<T> {417		{418			let mut data = self.data_mut();419			let stack_depth = &mut data.stack_depth;420			if *stack_depth > self.max_stack() {421				// Error creation uses data, so i drop guard here422				drop(data);423				throw!(StackOverflow);424			} else {425				*stack_depth += 1;426			}427		}428		let result = f();429		{430			let mut data = self.data_mut();431			data.stack_depth -= 1;432			data.stack_generation += 1;433		}434		if let Err(mut err) = result {435			err.trace_mut().0.push(StackTraceElement {436				location: None,437				desc: frame_desc(),438			});439			return Err(err);440		}441		result442	}443444	/// Runs passed function in state (required if function needs to modify stack trace)445	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {446		EVAL_STATE.with(|v| {447			let has_state = v.borrow().is_some();448			if !has_state {449				v.borrow_mut().replace(self.clone());450			}451			let result = f();452			if !has_state {453				v.borrow_mut().take();454			}455			result456		})457	}458	pub fn run_in_state_with_breakpoint(459		&self,460		bp: Rc<Breakpoint>,461		f: impl FnOnce() -> Result<()>,462	) -> Result<()> {463		{464			let mut data = self.data_mut();465			data.breakpoints.0.push(bp);466		}467468		let result = self.run_in_state(f);469470		{471			let mut data = self.data_mut();472			data.breakpoints.0.pop();473		}474475		result476	}477478	pub fn stringify_err(&self, e: &LocError) -> String {479		let mut out = String::new();480		self.settings()481			.trace_format482			.write_trace(&mut out, self, e)483			.unwrap();484		out485	}486487	pub fn manifest(&self, val: Val) -> Result<IStr> {488		self.run_in_state(|| {489			push_description_frame(490				|| "manifestification".to_string(),491				|| val.manifest(&self.manifest_format()),492			)493		})494	}495	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {496		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))497	}498	pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {499		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))500	}501502	/// If passed value is function then call with set TLA503	pub fn with_tla(&self, val: Val) -> Result<Val> {504		self.run_in_state(|| {505			Ok(match val {506				Val::Func(func) => push_description_frame(507					|| "during TLA call".to_owned(),508					|| {509						func.evaluate_map(510							self.create_default_context(),511							&self.settings().tla_vars,512							true,513						)514					},515				)?,516				v => v,517			})518		})519	}520}521522/// Internals523impl EvaluationState {524	fn data(&self) -> Ref<EvaluationData> {525		self.0.data.borrow()526	}527	fn data_mut(&self) -> RefMut<EvaluationData> {528		self.0.data.borrow_mut()529	}530	pub fn settings(&self) -> Ref<EvaluationSettings> {531		self.0.settings.borrow()532	}533	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {534		self.0.settings.borrow_mut()535	}536}537538/// Raw methods evaluate passed values but don't perform TLA execution539impl EvaluationState {540	pub fn evaluate_file_raw(&self, name: &Path) -> Result<Val> {541		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))542	}543	pub fn evaluate_file_raw_nocwd(&self, name: &Path) -> Result<Val> {544		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))545	}546	/// Parses and evaluates the given snippet547	pub fn evaluate_snippet_raw(&self, source: Rc<Path>, code: IStr) -> Result<Val> {548		let parsed = parse(549			&code,550			&ParserSettings {551				file_name: source.clone(),552			},553		)554		.map_err(|e| ImportSyntaxError {555			path: source.clone(),556			source_code: code.clone(),557			error: Box::new(e),558		})?;559		self.add_parsed_file(source, code, parsed.clone())?;560		self.evaluate_expr_raw(parsed)561	}562	/// Evaluates the parsed expression563	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {564		self.run_in_state(|| evaluate(self.create_default_context(), &code))565	}566}567568/// Settings utilities569impl EvaluationState {570	pub fn add_ext_var(&self, name: IStr, value: Val) {571		self.settings_mut().ext_vars.insert(name, value);572	}573	pub fn add_ext_str(&self, name: IStr, value: IStr) {574		self.add_ext_var(name, Val::Str(value));575	}576	pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {577		let value =578			self.evaluate_snippet_raw(PathBuf::from(format!("ext_code {}", name)).into(), code)?;579		self.add_ext_var(name, value);580		Ok(())581	}582583	pub fn add_tla(&self, name: IStr, value: Val) {584		self.settings_mut().tla_vars.insert(name, value);585	}586	pub fn add_tla_str(&self, name: IStr, value: IStr) {587		self.add_tla(name, Val::Str(value));588	}589	pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {590		let value =591			self.evaluate_snippet_raw(PathBuf::from(format!("tla_code {}", name)).into(), code)?;592		self.add_tla(name, value);593		Ok(())594	}595596	pub fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {597		self.settings().import_resolver.resolve_file(from, path)598	}599	pub fn load_file_contents(&self, path: &Path) -> Result<IStr> {600		self.settings().import_resolver.load_file_contents(path)601	}602603	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {604		Ref::map(self.settings(), |s| &*s.import_resolver)605	}606	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {607		self.settings_mut().import_resolver = resolver;608	}609610	pub fn add_native(&self, name: IStr, cb: Cc<NativeCallback>) {611		self.settings_mut().ext_natives.insert(name, cb);612	}613614	pub fn manifest_format(&self) -> ManifestFormat {615		self.settings().manifest_format.clone()616	}617	pub fn set_manifest_format(&self, format: ManifestFormat) {618		self.settings_mut().manifest_format = format;619	}620621	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {622		Ref::map(self.settings(), |s| &*s.trace_format)623	}624	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {625		self.settings_mut().trace_format = format;626	}627628	pub fn max_trace(&self) -> usize {629		self.settings().max_trace630	}631	pub fn set_max_trace(&self, trace: usize) {632		self.settings_mut().max_trace = trace;633	}634635	pub fn max_stack(&self) -> usize {636		self.settings().max_stack637	}638	pub fn set_max_stack(&self, trace: usize) {639		self.settings_mut().max_stack = trace;640	}641}642643pub fn cc_ptr_eq<T>(a: &Cc<T>, b: &Cc<T>) -> bool {644	let a = a as &T;645	let b = b as &T;646	std::ptr::eq(a, b)647}648649#[cfg(test)]650pub mod tests {651	use super::Val;652	use crate::{653		error::Error::*, gc::TraceBox, native::NativeCallbackHandler, primitive_equals,654		EvaluationState,655	};656	use gcmodule::{Cc, Trace};657	use jrsonnet_interner::IStr;658	use jrsonnet_parser::*;659	use std::{660		path::{Path, PathBuf},661		rc::Rc,662	};663664	#[test]665	#[should_panic]666	fn eval_state_stacktrace() {667		let state = EvaluationState::default();668		state.run_in_state(|| {669			state670				.push(671					&ExprLocation(PathBuf::from("test1.jsonnet").into(), 10, 20),672					|| "outer".to_owned(),673					|| {674						state.push(675							&ExprLocation(PathBuf::from("test2.jsonnet").into(), 30, 40),676							|| "inner".to_owned(),677							|| Err(RuntimeError("".into()).into()),678						)?;679						Ok(Val::Null)680					},681				)682				.unwrap();683		});684	}685686	#[test]687	fn eval_state_standard() {688		let state = EvaluationState::default();689		state.with_stdlib();690		assert!(primitive_equals(691			&state692				.evaluate_snippet_raw(693					PathBuf::from("raw.jsonnet").into(),694					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()695				)696				.unwrap(),697			&Val::Bool(true),698		)699		.unwrap());700	}701702	macro_rules! eval {703		($str: expr) => {704			EvaluationState::default()705				.with_stdlib()706				.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())707				.unwrap()708		};709	}710	macro_rules! eval_json {711		($str: expr) => {{712			let evaluator = EvaluationState::default();713			evaluator.with_stdlib();714			evaluator.run_in_state(|| {715				evaluator716					.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())717					.unwrap()718					.to_json(0)719					.unwrap()720					.replace("\n", "")721			})722		}};723	}724725	/// Asserts given code returns `true`726	macro_rules! assert_eval {727		($str: expr) => {728			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())729		};730	}731732	/// Asserts given code returns `false`733	macro_rules! assert_eval_neg {734		($str: expr) => {735			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())736		};737	}738	macro_rules! assert_json {739		($str: expr, $out: expr) => {740			assert_eq!(eval_json!($str), $out.replace("\t", ""))741		};742	}743744	/// Sanity checking, before trusting to another tests745	#[test]746	fn equality_operator() {747		assert_eval!("2 == 2");748		assert_eval_neg!("2 != 2");749		assert_eval!("2 != 3");750		assert_eval_neg!("2 == 3");751		assert_eval!("'Hello' == 'Hello'");752		assert_eval_neg!("'Hello' != 'Hello'");753		assert_eval!("'Hello' != 'World'");754		assert_eval_neg!("'Hello' == 'World'");755	}756757	#[test]758	fn math_evaluation() {759		assert_eval!("2 + 2 * 2 == 6");760		assert_eval!("3 + (2 + 2 * 2) == 9");761	}762763	#[test]764	fn string_concat() {765		assert_eval!("'Hello' + 'World' == 'HelloWorld'");766		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");767		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");768	}769770	#[test]771	fn faster_join() {772		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");773		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");774	}775776	#[test]777	fn function_contexts() {778		assert_eval!(779			r#"780				local k = {781					t(name = self.h): [self.h, name],782					h: 3,783				};784				local f = {785					t: k.t(),786					h: 4,787				};788				f.t[0] == f.t[1]789			"#790		);791	}792793	#[test]794	fn local() {795		assert_eval!("local a = 2; local b = 3; a + b == 5");796		assert_eval!("local a = 1, b = a + 1; a + b == 3");797		assert_eval!("local a = 1; local a = 2; a == 2");798	}799800	#[test]801	fn object_lazyness() {802		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);803	}804805	#[test]806	fn object_inheritance() {807		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);808	}809810	#[test]811	fn object_assertion_success() {812		eval!("{assert \"a\" in self} + {a:2}");813	}814815	#[test]816	fn object_assertion_error() {817		eval!("{assert \"a\" in self}");818	}819820	#[test]821	fn lazy_args() {822		eval!("local test(a) = 2; test(error '3')");823	}824825	#[test]826	#[should_panic]827	fn tailstrict_args() {828		eval!("local test(a) = 2; test(error '3') tailstrict");829	}830831	#[test]832	#[should_panic]833	fn no_binding_error() {834		eval!("a");835	}836837	#[test]838	fn test_object() {839		assert_json!("{a:2}", r#"{"a": 2}"#);840		assert_json!("{a:2+2}", r#"{"a": 4}"#);841		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);842		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);843		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);844		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);845		assert_json!(846			r#"847				{848					name: "Alice",849					welcome: "Hello " + self.name + "!",850				}851			"#,852			r#"{"name": "Alice","welcome": "Hello Alice!"}"#853		);854		assert_json!(855			r#"856				{857					name: "Alice",858					welcome: "Hello " + self.name + "!",859				} + {860					name: "Bob"861				}862			"#,863			r#"{"name": "Bob","welcome": "Hello Bob!"}"#864		);865	}866867	#[test]868	fn functions() {869		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");870		assert_json!(871			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,872			r#""HelloDearWorld""#873		);874	}875876	#[test]877	fn local_methods() {878		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");879		assert_json!(880			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,881			r#""HelloDearWorld""#882		);883	}884885	#[test]886	fn object_locals() {887		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);888		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);889		assert_json!(890			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,891			r#"{"test": {"test": 4}}"#892		);893	}894895	#[test]896	fn object_comp() {897		assert_json!(898			r#"{local t = "a", ["h"+i+"_"+z]: if "h"+(i-1)+"_"+z in self then t+1 else 0+t for i in [1,2,3] for z in [2,3,4] if z != i}"#,899			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"900		)901	}902903	#[test]904	fn direct_self() {905		println!(906			"{:#?}",907			eval!(908				r#"909					{910						local me = self,911						a: 3,912						b(): me.a,913					}914				"#915			)916		);917	}918919	#[test]920	fn indirect_self() {921		// `self` assigned to `me` was lost when being922		// referenced from field923		eval!(924			r#"{925				local me = self,926				a: 3,927				b: me.a,928			}.b"#929		);930	}931932	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly933	#[test]934	fn std_assert_ok() {935		eval!("std.assertEqual(4.5 << 2, 16)");936	}937938	#[test]939	#[should_panic]940	fn std_assert_failure() {941		eval!("std.assertEqual(4.5 << 2, 15)");942	}943944	#[test]945	fn string_is_string() {946		assert!(primitive_equals(947			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),948			&Val::Bool(false),949		)950		.unwrap());951	}952953	#[test]954	fn base64_works() {955		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);956	}957958	#[test]959	fn utf8_chars() {960		assert_json!(961			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,962			r#"{"c": 128526,"l": 1}"#963		)964	}965966	#[test]967	fn json() {968		assert_json!(969			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,970			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#971		);972	}973974	#[test]975	fn parse_json() {976		assert_json!(977			r#"std.parseJson('{"a": -1,"b": 1,"c": 3.141,"d": []}')"#,978			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#979		);980		// TODO: this should in fact fail as is no proper JSON syntax981		assert_json!(982			r#"std.parseJson("{a:-1, b:1, c:3.141, d:[]}")"#,983			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#984		);985		// TODO: this is also no valid JSON986		assert_json!(r#"std.parseJson('local x = 2; x * x')"#, r#"4"#);987	}988989	#[test]990	fn test() {991		assert_json!(992			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,993			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"994		);995	}996997	#[test]998	fn sjsonnet() {999		eval!(1000			r#"1001			local x0 = {k: 1};1002			local x1 = {k: x0.k + x0.k};1003			local x2 = {k: x1.k + x1.k};1004			local x3 = {k: x2.k + x2.k};1005			local x4 = {k: x3.k + x3.k};1006			local x5 = {k: x4.k + x4.k};1007			local x6 = {k: x5.k + x5.k};1008			local x7 = {k: x6.k + x6.k};1009			local x8 = {k: x7.k + x7.k};1010			local x9 = {k: x8.k + x8.k};1011			local x10 = {k: x9.k + x9.k};1012			local x11 = {k: x10.k + x10.k};1013			local x12 = {k: x11.k + x11.k};1014			local x13 = {k: x12.k + x12.k};1015			local x14 = {k: x13.k + x13.k};1016			local x15 = {k: x14.k + x14.k};1017			local x16 = {k: x15.k + x15.k};1018			local x17 = {k: x16.k + x16.k};1019			local x18 = {k: x17.k + x17.k};1020			local x19 = {k: x18.k + x18.k};1021			local x20 = {k: x19.k + x19.k};1022			local x21 = {k: x20.k + x20.k};1023			x21.k1024		"#1025		);1026	}10271028	// This test is commented out by default, because of huge compilation slowdown1029	// #[bench]1030	// fn bench_codegen(b: &mut Bencher) {1031	// 	b.iter(|| {1032	// 		#[allow(clippy::all)]1033	// 		let stdlib = {1034	// 			use jrsonnet_parser::*;1035	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))1036	// 		};1037	// 		stdlib1038	// 	})1039	// }10401041	/*1042	#[bench]1043	fn bench_serialize(b: &mut Bencher) {1044		b.iter(|| {1045			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(1046				env!("OUT_DIR"),1047				"/stdlib.bincode"1048			)))1049			.expect("deserialize stdlib")1050		})1051	}10521053	#[bench]1054	fn bench_parse(b: &mut Bencher) {1055		b.iter(|| {1056			jrsonnet_parser::parse(1057				jrsonnet_stdlib::STDLIB_STR,1058				&jrsonnet_parser::ParserSettings {1059					loc_data: true,1060					file_name: Rc::new(PathBuf::from("std.jsonnet")),1061				},1062			)1063		})1064	}1065	*/10661067	#[test]1068	fn equality() {1069		println!(1070			"{:?}",1071			jrsonnet_parser::parse(1072				"{ x: 1, y: 2 } == { x: 1, y: 2 }",1073				&ParserSettings {1074					file_name: PathBuf::from("equality").into(),1075				}1076			)1077		);1078		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")1079	}10801081	#[test]1082	fn native_ext() -> crate::error::Result<()> {1083		use super::native::NativeCallback;1084		let evaluator = EvaluationState::default();10851086		evaluator.with_stdlib();10871088		#[derive(Trace)]1089		struct NativeAdd;1090		impl NativeCallbackHandler for NativeAdd {1091			fn call(&self, from: Rc<Path>, args: &[Val]) -> crate::error::Result<Val> {1092				assert_eq!(&from as &Path, &PathBuf::from("native_caller.jsonnet"));1093				match (&args[0], &args[1]) {1094					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),1095					(_, _) => unreachable!(),1096				}1097			}1098		}1099		evaluator.settings_mut().ext_natives.insert(1100			"native_add".into(),1101			Cc::new(NativeCallback::new(1102				ParamsDesc(Rc::new(vec![1103					Param("a".into(), None),1104					Param("b".into(), None),1105				])),1106				TraceBox(Box::new(NativeAdd)),1107			)),1108		);1109		evaluator.evaluate_snippet_raw(1110			PathBuf::from("native_caller.jsonnet").into(),1111			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),1112		)?;1113		Ok(())1114	}11151116	#[test]1117	fn constant_intrinsic() -> crate::error::Result<()> {1118		assert_eval!(1119			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"1120		);1121		Ok(())1122	}11231124	#[test]1125	fn standalone_super() -> crate::error::Result<()> {1126		assert_eval!(1127			r#"1128			local obj = {1129				a: 1,1130				b: 2,1131				c: 3,1132			};1133			local test = obj + {1134				fields: std.objectFields(super),1135				d: 5,1136			};1137			test.fields == ['a', 'b', 'c']1138		"#1139		);1140		Ok(())1141	}11421143	#[test]1144	fn comp_self() -> crate::error::Result<()> {1145		assert_eval!(1146			r#"1147			std.objectFields({1148				a:{1149					[name]: name for name in std.objectFields(self)1150				},1151				b: 2,1152				c: 3,1153			}.a) == ['a', 'b', 'c']1154			"#1155		);11561157		Ok(())1158	}11591160	struct TestImportResolver(IStr);1161	impl crate::import::ImportResolver for TestImportResolver {1162		fn resolve_file(&self, _: &Path, _: &Path) -> crate::error::Result<Rc<Path>> {1163			Ok(PathBuf::from("/test").into())1164		}11651166		fn load_file_contents(&self, _: &Path) -> crate::error::Result<IStr> {1167			Ok(self.0.clone())1168		}11691170		unsafe fn as_any(&self) -> &dyn std::any::Any {1171			panic!()1172		}1173	}11741175	#[test]1176	fn issue_23() {1177		let state = EvaluationState::default();1178		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));1179		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));1180	}11811182	#[test]1183	fn issue_40() {1184		let state = EvaluationState::default();1185		state.with_stdlib();11861187		let error = state1188			.evaluate_snippet_raw(1189				PathBuf::from("issue40.jsonnet").into(),1190				r#"1191				local conf = {1192					n: ""1193				};11941195				local result = conf + {1196					assert std.isNumber(self.n): "is number"1197				};11981199				std.manifestJsonEx(result, "")1200			"#1201				.into(),1202			)1203			.unwrap_err();1204		assert_eq!(error.error().to_string(), "assert failed: is number");1205	}12061207	#[test]1208	fn test_ascii_upper_lower() {1209		assert_eval!(r#"std.assertEqual(std.asciiUpper("aBc😀"), "ABC😀")"#);1210		assert_eval!(r#"std.assertEqual(std.asciiLower("aBc😀"), "abc😀")"#);1211	}12121213	#[test]1214	fn test_member() {1215		assert_eval!(r#"!std.member("", "")"#);1216		assert_eval!(r#"std.member("abc", "a")"#);1217		assert_eval!(r#"!std.member("abc", "d")"#);1218		assert_eval!(r#"!std.member([], "")"#);1219		assert_eval!(r#"std.member(["a", "b", "c"], "a")"#);1220		assert_eval!(r#"!std.member(["a", "b", "c"], "d")"#);1221	}12221223	#[test]1224	fn test_count() {1225		assert_eval!(r#"std.assertEqual(std.count([], ""), 0)"#);1226		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "d"), 0)"#);1227		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "a"), 2)"#);1228	}1229}