git.delta.rocks / jrsonnet / refs/commits / 6e40dd49aa72

1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![allow(macro_expanded_macro_exports_accessed_by_absolute_paths)]34mod builtin;5mod ctx;6mod dynamic;7pub mod error;8mod evaluate;9mod function;10mod import;11mod integrations;12mod map;13pub mod native;14mod obj;15pub mod trace;16mod val;1718pub use ctx::*;19pub use dynamic::*;20use error::{Error::*, LocError, Result, StackTraceElement};21pub use evaluate::*;22pub use function::parse_function_call;23pub use import::*;24use jrsonnet_parser::*;25use native::NativeCallback;26pub use obj::*;27use std::{28	cell::{Ref, RefCell, RefMut},29	collections::HashMap,30	fmt::Debug,31	path::PathBuf,32	rc::Rc,33};34use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};35pub use val::*;3637type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;38#[derive(Clone)]39pub enum LazyBinding {40	Bindable(Rc<BindableFn>),41	Bound(LazyVal),42}4344impl Debug for LazyBinding {45	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {46		write!(f, "LazyBinding")47	}48}49impl LazyBinding {50	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {51		match self {52			LazyBinding::Bindable(v) => v(this, super_obj),53			LazyBinding::Bound(v) => Ok(v.clone()),54		}55	}56}5758pub struct EvaluationSettings {59	/// Limits recursion by limiting stack frames60	pub max_stack: usize,61	/// Limit amount of stack trace items preserved62	pub max_trace: usize,63	/// Used for std.extVar64	pub ext_vars: HashMap<Rc<str>, Val>,65	/// Used for ext.native66	pub ext_natives: HashMap<Rc<str>, Rc<NativeCallback>>,67	/// TLA vars68	pub tla_vars: HashMap<Rc<str>, Val>,69	/// Global variables are inserted in default context70	pub globals: HashMap<Rc<str>, Val>,71	/// Used to resolve file locations/contents72	pub import_resolver: Box<dyn ImportResolver>,73	/// Used in manifestification functions74	pub manifest_format: ManifestFormat,75	/// Used for bindings76	pub trace_format: Box<dyn TraceFormat>,77}78impl Default for EvaluationSettings {79	fn default() -> Self {80		EvaluationSettings {81			max_stack: 200,82			max_trace: 20,83			globals: Default::default(),84			ext_vars: Default::default(),85			ext_natives: Default::default(),86			tla_vars: Default::default(),87			import_resolver: Box::new(DummyImportResolver),88			manifest_format: ManifestFormat::Json(4),89			trace_format: Box::new(CompactFormat {90				padding: 4,91				resolver: trace::PathResolver::Absolute,92			}),93		}94	}95}9697#[derive(Default)]98struct EvaluationData {99	/// Used for stack overflow detection, stacktrace is now populated on unwind100	stack_depth: usize,101	/// Contains file source codes and evaluated results for imports and pretty102	/// printing stacktraces103	files: HashMap<Rc<PathBuf>, FileData>,104	str_files: HashMap<Rc<PathBuf>, Rc<str>>,105}106107pub struct FileData {108	source_code: Rc<str>,109	parsed: LocExpr,110	evaluated: Option<Val>,111}112#[derive(Default)]113pub struct EvaluationStateInternals {114	/// Internal state115	data: RefCell<EvaluationData>,116	/// Settings, safe to change at runtime117	settings: RefCell<EvaluationSettings>,118}119120thread_local! {121	/// Contains state for currently executing file122	/// Global state is fine there123	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)124}125pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {126	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))127}128pub(crate) fn push<T>(129	e: &Option<ExprLocation>,130	frame_desc: impl FnOnce() -> String,131	f: impl FnOnce() -> Result<T>,132) -> Result<T> {133	if let Some(v) = e {134		with_state(|s| s.push(&v, frame_desc, f))135	} else {136		f()137	}138}139140/// Maintains stack trace and import resolution141#[derive(Default, Clone)]142pub struct EvaluationState(Rc<EvaluationStateInternals>);143144impl EvaluationState {145	/// Parses and adds file to loaded146	pub fn add_file(&self, path: Rc<PathBuf>, source_code: Rc<str>) -> Result<()> {147		self.add_parsed_file(148			path.clone(),149			source_code.clone(),150			parse(151				&source_code,152				&ParserSettings {153					file_name: path.clone(),154					loc_data: true,155				},156			)157			.map_err(|error| ImportSyntaxError {158				error,159				path,160				source_code,161			})?,162		)?;163164		Ok(())165	}166167	/// Adds file by source code and parsed expr168	pub fn add_parsed_file(169		&self,170		name: Rc<PathBuf>,171		source_code: Rc<str>,172		parsed: LocExpr,173	) -> Result<()> {174		self.data_mut().files.insert(175			name,176			FileData {177				source_code,178				parsed,179				evaluated: None,180			},181		);182183		Ok(())184	}185	pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {186		let ro_map = &self.data().files;187		ro_map.get(name).map(|value| value.source_code.clone())188	}189	pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {190		offset_to_location(&self.get_source(file).unwrap(), locs)191	}192193	pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {194		let file_path = self.resolve_file(from, path)?;195		{196			let files = &self.data().files;197			if files.contains_key(&file_path) {198				return self.evaluate_loaded_file_raw(&file_path);199			}200		}201		let contents = self.load_file_contents(&file_path)?;202		self.add_file(file_path.clone(), contents)?;203		self.evaluate_loaded_file_raw(&file_path)204	}205	pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {206		let path = self.resolve_file(from, path)?;207		if !self.data().str_files.contains_key(&path) {208			let file_str = self.load_file_contents(&path)?;209			self.data_mut().str_files.insert(path.clone(), file_str);210		}211		Ok(self.data().str_files.get(&path).cloned().unwrap())212	}213214	fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {215		let expr: LocExpr = {216			let ro_map = &self.data().files;217			let value = ro_map218				.get(name)219				.unwrap_or_else(|| panic!("file not added: {:?}", name));220			if let Some(ref evaluated) = value.evaluated {221				return Ok(evaluated.clone());222			}223			value.parsed.clone()224		};225		let value = evaluate(self.create_default_context()?, &expr)?;226		{227			self.data_mut()228				.files229				.get_mut(name)230				.unwrap()231				.evaluated232				.replace(value.clone());233		}234		Ok(value)235	}236237	/// Adds standard library global variable (std) to this evaluator238	pub fn with_stdlib(&self) -> &Self {239		use jrsonnet_stdlib::STDLIB_STR;240		let std_path = Rc::new(PathBuf::from("std.jsonnet"));241		self.run_in_state(|| {242			self.add_parsed_file(243				std_path.clone(),244				STDLIB_STR.to_owned().into(),245				builtin::get_parsed_stdlib(),246			)247			.unwrap();248			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();249			self.settings_mut().globals.insert("std".into(), val);250		});251		self252	}253254	/// Creates context with all passed global variables255	pub fn create_default_context(&self) -> Result<Context> {256		let globals = &self.settings().globals;257		let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();258		for (name, value) in globals.iter() {259			new_bindings.insert(260				name.clone(),261				LazyBinding::Bound(resolved_lazy_val!(value.clone())),262			);263		}264		Context::new().extend_unbound(new_bindings, None, None, None)265	}266267	/// Executes code, creating new stack frame268	pub fn push<T>(269		&self,270		e: &ExprLocation,271		frame_desc: impl FnOnce() -> String,272		f: impl FnOnce() -> Result<T>,273	) -> Result<T> {274		{275			let mut data = self.data_mut();276			let stack_depth = &mut data.stack_depth;277			if *stack_depth > self.max_stack() {278				// Error creation uses data, so i drop guard here279				drop(data);280				throw!(StackOverflow);281			} else {282				*stack_depth += 1;283			}284		}285		let result = f();286		self.data_mut().stack_depth -= 1;287		if let Err(mut err) = result {288			(err.1).0.push(StackTraceElement {289				location: e.clone(),290				desc: frame_desc(),291			});292			return Err(err);293		}294		result295	}296297	/// Runs passed function in state (required, if function needs to modify stack trace)298	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {299		EVAL_STATE.with(|v| {300			let has_state = v.borrow().is_some();301			if !has_state {302				v.borrow_mut().replace(self.clone());303			}304			let result = f();305			if !has_state {306				v.borrow_mut().take();307			}308			result309		})310	}311312	pub fn stringify_err(&self, e: &LocError) -> String {313		let mut out = String::new();314		self.settings()315			.trace_format316			.write_trace(&mut out, self, e)317			.unwrap();318		out319	}320321	pub fn manifest(&self, val: Val) -> Result<Rc<str>> {322		self.run_in_state(|| val.manifest(&self.manifest_format()))323	}324325	/// If passed value is function - call with set TLA326	pub fn with_tla(&self, val: Val) -> Result<Val> {327		Ok(match val {328			Val::Func(func) => func.evaluate_map(329				self.create_default_context()?,330				&self.settings().tla_vars,331				true,332			)?,333			v => v,334		})335	}336}337338/// Internals339impl EvaluationState {340	fn data(&self) -> Ref<EvaluationData> {341		self.0.data.borrow()342	}343	fn data_mut(&self) -> RefMut<EvaluationData> {344		self.0.data.borrow_mut()345	}346	pub fn settings(&self) -> Ref<EvaluationSettings> {347		self.0.settings.borrow()348	}349	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {350		self.0.settings.borrow_mut()351	}352}353354/// Raw methods evaluates passed values, but not performs TLA execution355impl EvaluationState {356	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {357		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), &name))358	}359	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {360		self.run_in_state(|| self.import_file(&PathBuf::from("."), &name))361	}362	/// Parses and evaluates snippet363	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {364		let parsed = parse(365			&code,366			&ParserSettings {367				file_name: source.clone(),368				loc_data: true,369			},370		)371		.unwrap();372		self.add_parsed_file(source, code, parsed.clone())?;373		self.evaluate_expr_raw(parsed)374	}375	/// Evaluates parsed expression376	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {377		self.run_in_state(|| evaluate(self.create_default_context()?, &code))378	}379}380381/// Settings utilities382impl EvaluationState {383	pub fn add_ext_var(&self, name: Rc<str>, value: Val) {384		self.settings_mut().ext_vars.insert(name, value);385	}386	pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {387		self.add_ext_var(name, Val::Str(value));388	}389	pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {390		let value =391			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;392		self.add_ext_var(name, value);393		Ok(())394	}395396	pub fn add_tla(&self, name: Rc<str>, value: Val) {397		self.settings_mut().tla_vars.insert(name, value);398	}399	pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {400		self.add_tla(name, Val::Str(value));401	}402	pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {403		let value =404			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;405		self.add_ext_var(name, value);406		Ok(())407	}408409	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {410		Ok(self.settings().import_resolver.resolve_file(from, path)?)411	}412	pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {413		Ok(self.settings().import_resolver.load_file_contents(path)?)414	}415416	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {417		Ref::map(self.settings(), |s| &*s.import_resolver)418	}419	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {420		self.settings_mut().import_resolver = resolver;421	}422423	pub fn add_native(&self, name: Rc<str>, cb: Rc<NativeCallback>) {424		self.settings_mut().ext_natives.insert(name, cb);425	}426427	pub fn manifest_format(&self) -> ManifestFormat {428		self.settings().manifest_format.clone()429	}430	pub fn set_manifest_format(&self, format: ManifestFormat) {431		self.settings_mut().manifest_format = format;432	}433434	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {435		Ref::map(self.settings(), |s| &*s.trace_format)436	}437	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {438		self.settings_mut().trace_format = format;439	}440441	pub fn max_trace(&self) -> usize {442		self.settings().max_trace443	}444	pub fn set_max_trace(&self, trace: usize) {445		self.settings_mut().max_trace = trace;446	}447448	pub fn max_stack(&self) -> usize {449		self.settings().max_stack450	}451	pub fn set_max_stack(&self, trace: usize) {452		self.settings_mut().max_stack = trace;453	}454}455456#[cfg(test)]457pub mod tests {458	use super::Val;459	use crate::{error::Error::*, primitive_equals, EvaluationState};460	use jrsonnet_parser::*;461	use std::{path::PathBuf, rc::Rc};462463	#[test]464	#[should_panic]465	fn eval_state_stacktrace() {466		let state = EvaluationState::default();467		state.run_in_state(|| {468			state469				.push(470					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),471					|| "outer".to_owned(),472					|| {473						state.push(474							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),475							|| "inner".to_owned(),476							|| Err(RuntimeError("".into()).into()),477						)?;478						Ok(())479					},480				)481				.unwrap();482		});483	}484485	#[test]486	fn eval_state_standard() {487		let state = EvaluationState::default();488		state.with_stdlib();489		assert!(primitive_equals(490			&state491				.evaluate_snippet_raw(492					Rc::new(PathBuf::from("raw.jsonnet")),493					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()494				)495				.unwrap(),496			&Val::Bool(true),497		)498		.unwrap());499	}500501	macro_rules! eval {502		($str: expr) => {503			EvaluationState::default()504				.with_stdlib()505				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())506				.unwrap()507		};508	}509	macro_rules! eval_json {510		($str: expr) => {{511			let evaluator = EvaluationState::default();512			evaluator.with_stdlib();513			evaluator.run_in_state(|| {514				evaluator515					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())516					.unwrap()517					.to_json(0)518					.unwrap()519					.replace("\n", "")520				})521			}};522	}523524	/// Asserts given code returns `true`525	macro_rules! assert_eval {526		($str: expr) => {527			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())528		};529	}530531	/// Asserts given code returns `false`532	macro_rules! assert_eval_neg {533		($str: expr) => {534			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())535		};536	}537	macro_rules! assert_json {538		($str: expr, $out: expr) => {539			assert_eq!(eval_json!($str), $out.replace("\t", ""))540		};541	}542543	/// Sanity checking, before trusting to another tests544	#[test]545	fn equality_operator() {546		assert_eval!("2 == 2");547		assert_eval_neg!("2 != 2");548		assert_eval!("2 != 3");549		assert_eval_neg!("2 == 3");550		assert_eval!("'Hello' == 'Hello'");551		assert_eval_neg!("'Hello' != 'Hello'");552		assert_eval!("'Hello' != 'World'");553		assert_eval_neg!("'Hello' == 'World'");554	}555556	#[test]557	fn math_evaluation() {558		assert_eval!("2 + 2 * 2 == 6");559		assert_eval!("3 + (2 + 2 * 2) == 9");560	}561562	#[test]563	fn string_concat() {564		assert_eval!("'Hello' + 'World' == 'HelloWorld'");565		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");566		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");567	}568569	#[test]570	fn faster_join() {571		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");572		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");573	}574575	#[test]576	fn function_contexts() {577		assert_eval!(578			r#"579				local k = {580					t(name = self.h): [self.h, name],581					h: 3,582				};583				local f = {584					t: k.t(),585					h: 4,586				};587				f.t[0] == f.t[1]588			"#589		);590	}591592	#[test]593	fn local() {594		assert_eval!("local a = 2; local b = 3; a + b == 5");595		assert_eval!("local a = 1, b = a + 1; a + b == 3");596		assert_eval!("local a = 1; local a = 2; a == 2");597	}598599	#[test]600	fn object_lazyness() {601		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);602	}603604	#[test]605	fn object_inheritance() {606		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);607	}608609	#[test]610	fn object_assertion_success() {611		eval!("{assert \"a\" in self} + {a:2}");612	}613614	#[test]615	fn object_assertion_error() {616		eval!("{assert \"a\" in self}");617	}618619	#[test]620	fn lazy_args() {621		eval!("local test(a) = 2; test(error '3')");622	}623624	#[test]625	#[should_panic]626	fn tailstrict_args() {627		eval!("local test(a) = 2; test(error '3') tailstrict");628	}629630	#[test]631	#[should_panic]632	fn no_binding_error() {633		eval!("a");634	}635636	#[test]637	fn test_object() {638		assert_json!("{a:2}", r#"{"a": 2}"#);639		assert_json!("{a:2+2}", r#"{"a": 4}"#);640		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);641		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);642		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);643		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);644		assert_json!(645			r#"646				{647					name: "Alice",648					welcome: "Hello " + self.name + "!",649				}650			"#,651			r#"{"name": "Alice","welcome": "Hello Alice!"}"#652		);653		assert_json!(654			r#"655				{656					name: "Alice",657					welcome: "Hello " + self.name + "!",658				} + {659					name: "Bob"660				}661			"#,662			r#"{"name": "Bob","welcome": "Hello Bob!"}"#663		);664	}665666	#[test]667	fn functions() {668		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");669		assert_json!(670			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,671			r#""HelloDearWorld""#672		);673	}674675	#[test]676	fn local_methods() {677		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");678		assert_json!(679			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,680			r#""HelloDearWorld""#681		);682	}683684	#[test]685	fn object_locals() {686		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);687		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);688		assert_json!(689			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,690			r#"{"test": {"test": 4}}"#691		);692	}693694	#[test]695	fn object_comp() {696		assert_json!(697			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}"#,698			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"699		)700	}701702	#[test]703	fn direct_self() {704		println!(705			"{:#?}",706			eval!(707				r#"708					{709						local me = self,710						a: 3,711						b(): me.a,712					}713				"#714			)715		);716	}717718	#[test]719	fn indirect_self() {720		// `self` assigned to `me` was lost when being721		// referenced from field722		eval!(723			r#"{724				local me = self,725				a: 3,726				b: me.a,727			}.b"#728		);729	}730731	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly732	#[test]733	fn std_assert_ok() {734		eval!("std.assertEqual(4.5 << 2, 16)");735	}736737	#[test]738	#[should_panic]739	fn std_assert_failure() {740		eval!("std.assertEqual(4.5 << 2, 15)");741	}742743	#[test]744	fn string_is_string() {745		assert!(primitive_equals(746			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),747			&Val::Bool(false),748		)749		.unwrap());750	}751752	#[test]753	fn base64_works() {754		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);755	}756757	#[test]758	fn utf8_chars() {759		assert_json!(760			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,761			r#"{"c": 128526,"l": 1}"#762		)763	}764765	#[test]766	fn json() {767		assert_json!(768			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,769			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#770		);771	}772773	#[test]774	fn test() {775		assert_json!(776			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,777			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"778		);779	}780781	#[test]782	fn sjsonnet() {783		eval!(784			r#"785			local x0 = {k: 1};786			local x1 = {k: x0.k + x0.k};787			local x2 = {k: x1.k + x1.k};788			local x3 = {k: x2.k + x2.k};789			local x4 = {k: x3.k + x3.k};790			local x5 = {k: x4.k + x4.k};791			local x6 = {k: x5.k + x5.k};792			local x7 = {k: x6.k + x6.k};793			local x8 = {k: x7.k + x7.k};794			local x9 = {k: x8.k + x8.k};795			local x10 = {k: x9.k + x9.k};796			local x11 = {k: x10.k + x10.k};797			local x12 = {k: x11.k + x11.k};798			local x13 = {k: x12.k + x12.k};799			local x14 = {k: x13.k + x13.k};800			local x15 = {k: x14.k + x14.k};801			local x16 = {k: x15.k + x15.k};802			local x17 = {k: x16.k + x16.k};803			local x18 = {k: x17.k + x17.k};804			local x19 = {k: x18.k + x18.k};805			local x20 = {k: x19.k + x19.k};806			local x21 = {k: x20.k + x20.k};807			x21.k808		"#809		);810	}811812	// This test is commented out by default, because of huge compilation slowdown813	// #[bench]814	// fn bench_codegen(b: &mut Bencher) {815	// 	b.iter(|| {816	// 		#[allow(clippy::all)]817	// 		let stdlib = {818	// 			use jrsonnet_parser::*;819	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))820	// 		};821	// 		stdlib822	// 	})823	// }824825	/*826	#[bench]827	fn bench_serialize(b: &mut Bencher) {828		b.iter(|| {829			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(830				env!("OUT_DIR"),831				"/stdlib.bincode"832			)))833			.expect("deserialize stdlib")834		})835	}836837	#[bench]838	fn bench_parse(b: &mut Bencher) {839		b.iter(|| {840			jrsonnet_parser::parse(841				jrsonnet_stdlib::STDLIB_STR,842				&jrsonnet_parser::ParserSettings {843					loc_data: true,844					file_name: Rc::new(PathBuf::from("std.jsonnet")),845				},846			)847		})848	}849	*/850851	#[test]852	fn equality() {853		println!(854			"{:?}",855			jrsonnet_parser::parse(856				"{ x: 1, y: 2 } == { x: 1, y: 2 }",857				&ParserSettings::default()858			)859		);860		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")861	}862863	#[test]864	fn native_ext() -> crate::error::Result<()> {865		use super::native::NativeCallback;866		let evaluator = EvaluationState::default();867868		evaluator.with_stdlib();869		evaluator.settings_mut().ext_natives.insert(870			"native_add".into(),871			Rc::new(NativeCallback::new(872				ParamsDesc(Rc::new(vec![873					Param("a".into(), None),874					Param("b".into(), None),875				])),876				|args| match (&args[0], &args[1]) {877					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),878					(_, _) => todo!(),879				},880			)),881		);882		evaluator.evaluate_snippet_raw(883			Rc::new(PathBuf::from("test.jsonnet")),884			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),885		)?;886		Ok(())887	}888}