git.delta.rocks / jrsonnet / refs/commits / d859bb9d0adb

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: Box::new(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.trace_mut().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	}324	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(Rc<str>, Rc<str>)>> {325		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))326	}327	pub fn manifest_stream(&self, val: Val) -> Result<Vec<Rc<str>>> {328		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))329	}330331	/// If passed value is function - call with set TLA332	pub fn with_tla(&self, val: Val) -> Result<Val> {333		Ok(match val {334			Val::Func(func) => func.evaluate_map(335				self.create_default_context()?,336				&self.settings().tla_vars,337				true,338			)?,339			v => v,340		})341	}342}343344/// Internals345impl EvaluationState {346	fn data(&self) -> Ref<EvaluationData> {347		self.0.data.borrow()348	}349	fn data_mut(&self) -> RefMut<EvaluationData> {350		self.0.data.borrow_mut()351	}352	pub fn settings(&self) -> Ref<EvaluationSettings> {353		self.0.settings.borrow()354	}355	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {356		self.0.settings.borrow_mut()357	}358}359360/// Raw methods evaluates passed values, but not performs TLA execution361impl EvaluationState {362	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {363		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), &name))364	}365	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {366		self.run_in_state(|| self.import_file(&PathBuf::from("."), &name))367	}368	/// Parses and evaluates snippet369	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {370		let parsed = parse(371			&code,372			&ParserSettings {373				file_name: source.clone(),374				loc_data: true,375			},376		)377		.unwrap();378		self.add_parsed_file(source, code, parsed.clone())?;379		self.evaluate_expr_raw(parsed)380	}381	/// Evaluates parsed expression382	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {383		self.run_in_state(|| evaluate(self.create_default_context()?, &code))384	}385}386387/// Settings utilities388impl EvaluationState {389	pub fn add_ext_var(&self, name: Rc<str>, value: Val) {390		self.settings_mut().ext_vars.insert(name, value);391	}392	pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {393		self.add_ext_var(name, Val::Str(value));394	}395	pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {396		let value =397			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;398		self.add_ext_var(name, value);399		Ok(())400	}401402	pub fn add_tla(&self, name: Rc<str>, value: Val) {403		self.settings_mut().tla_vars.insert(name, value);404	}405	pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {406		self.add_tla(name, Val::Str(value));407	}408	pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {409		let value =410			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;411		self.add_ext_var(name, value);412		Ok(())413	}414415	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {416		Ok(self.settings().import_resolver.resolve_file(from, path)?)417	}418	pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {419		Ok(self.settings().import_resolver.load_file_contents(path)?)420	}421422	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {423		Ref::map(self.settings(), |s| &*s.import_resolver)424	}425	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {426		self.settings_mut().import_resolver = resolver;427	}428429	pub fn add_native(&self, name: Rc<str>, cb: Rc<NativeCallback>) {430		self.settings_mut().ext_natives.insert(name, cb);431	}432433	pub fn manifest_format(&self) -> ManifestFormat {434		self.settings().manifest_format.clone()435	}436	pub fn set_manifest_format(&self, format: ManifestFormat) {437		self.settings_mut().manifest_format = format;438	}439440	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {441		Ref::map(self.settings(), |s| &*s.trace_format)442	}443	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {444		self.settings_mut().trace_format = format;445	}446447	pub fn max_trace(&self) -> usize {448		self.settings().max_trace449	}450	pub fn set_max_trace(&self, trace: usize) {451		self.settings_mut().max_trace = trace;452	}453454	pub fn max_stack(&self) -> usize {455		self.settings().max_stack456	}457	pub fn set_max_stack(&self, trace: usize) {458		self.settings_mut().max_stack = trace;459	}460}461462#[cfg(test)]463pub mod tests {464	use super::Val;465	use crate::{error::Error::*, primitive_equals, EvaluationState};466	use jrsonnet_parser::*;467	use std::{path::PathBuf, rc::Rc};468469	#[test]470	#[should_panic]471	fn eval_state_stacktrace() {472		let state = EvaluationState::default();473		state.run_in_state(|| {474			state475				.push(476					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),477					|| "outer".to_owned(),478					|| {479						state.push(480							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),481							|| "inner".to_owned(),482							|| Err(RuntimeError("".into()).into()),483						)?;484						Ok(())485					},486				)487				.unwrap();488		});489	}490491	#[test]492	fn eval_state_standard() {493		let state = EvaluationState::default();494		state.with_stdlib();495		assert!(primitive_equals(496			&state497				.evaluate_snippet_raw(498					Rc::new(PathBuf::from("raw.jsonnet")),499					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()500				)501				.unwrap(),502			&Val::Bool(true),503		)504		.unwrap());505	}506507	macro_rules! eval {508		($str: expr) => {509			EvaluationState::default()510				.with_stdlib()511				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())512				.unwrap()513		};514	}515	macro_rules! eval_json {516		($str: expr) => {{517			let evaluator = EvaluationState::default();518			evaluator.with_stdlib();519			evaluator.run_in_state(|| {520				evaluator521					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())522					.unwrap()523					.to_json(0)524					.unwrap()525					.replace("\n", "")526				})527			}};528	}529530	/// Asserts given code returns `true`531	macro_rules! assert_eval {532		($str: expr) => {533			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())534		};535	}536537	/// Asserts given code returns `false`538	macro_rules! assert_eval_neg {539		($str: expr) => {540			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())541		};542	}543	macro_rules! assert_json {544		($str: expr, $out: expr) => {545			assert_eq!(eval_json!($str), $out.replace("\t", ""))546		};547	}548549	/// Sanity checking, before trusting to another tests550	#[test]551	fn equality_operator() {552		assert_eval!("2 == 2");553		assert_eval_neg!("2 != 2");554		assert_eval!("2 != 3");555		assert_eval_neg!("2 == 3");556		assert_eval!("'Hello' == 'Hello'");557		assert_eval_neg!("'Hello' != 'Hello'");558		assert_eval!("'Hello' != 'World'");559		assert_eval_neg!("'Hello' == 'World'");560	}561562	#[test]563	fn math_evaluation() {564		assert_eval!("2 + 2 * 2 == 6");565		assert_eval!("3 + (2 + 2 * 2) == 9");566	}567568	#[test]569	fn string_concat() {570		assert_eval!("'Hello' + 'World' == 'HelloWorld'");571		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");572		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");573	}574575	#[test]576	fn faster_join() {577		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");578		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");579	}580581	#[test]582	fn function_contexts() {583		assert_eval!(584			r#"585				local k = {586					t(name = self.h): [self.h, name],587					h: 3,588				};589				local f = {590					t: k.t(),591					h: 4,592				};593				f.t[0] == f.t[1]594			"#595		);596	}597598	#[test]599	fn local() {600		assert_eval!("local a = 2; local b = 3; a + b == 5");601		assert_eval!("local a = 1, b = a + 1; a + b == 3");602		assert_eval!("local a = 1; local a = 2; a == 2");603	}604605	#[test]606	fn object_lazyness() {607		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);608	}609610	#[test]611	fn object_inheritance() {612		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);613	}614615	#[test]616	fn object_assertion_success() {617		eval!("{assert \"a\" in self} + {a:2}");618	}619620	#[test]621	fn object_assertion_error() {622		eval!("{assert \"a\" in self}");623	}624625	#[test]626	fn lazy_args() {627		eval!("local test(a) = 2; test(error '3')");628	}629630	#[test]631	#[should_panic]632	fn tailstrict_args() {633		eval!("local test(a) = 2; test(error '3') tailstrict");634	}635636	#[test]637	#[should_panic]638	fn no_binding_error() {639		eval!("a");640	}641642	#[test]643	fn test_object() {644		assert_json!("{a:2}", r#"{"a": 2}"#);645		assert_json!("{a:2+2}", r#"{"a": 4}"#);646		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);647		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);648		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);649		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);650		assert_json!(651			r#"652				{653					name: "Alice",654					welcome: "Hello " + self.name + "!",655				}656			"#,657			r#"{"name": "Alice","welcome": "Hello Alice!"}"#658		);659		assert_json!(660			r#"661				{662					name: "Alice",663					welcome: "Hello " + self.name + "!",664				} + {665					name: "Bob"666				}667			"#,668			r#"{"name": "Bob","welcome": "Hello Bob!"}"#669		);670	}671672	#[test]673	fn functions() {674		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");675		assert_json!(676			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,677			r#""HelloDearWorld""#678		);679	}680681	#[test]682	fn local_methods() {683		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");684		assert_json!(685			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,686			r#""HelloDearWorld""#687		);688	}689690	#[test]691	fn object_locals() {692		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);693		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);694		assert_json!(695			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,696			r#"{"test": {"test": 4}}"#697		);698	}699700	#[test]701	fn object_comp() {702		assert_json!(703			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}"#,704			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"705		)706	}707708	#[test]709	fn direct_self() {710		println!(711			"{:#?}",712			eval!(713				r#"714					{715						local me = self,716						a: 3,717						b(): me.a,718					}719				"#720			)721		);722	}723724	#[test]725	fn indirect_self() {726		// `self` assigned to `me` was lost when being727		// referenced from field728		eval!(729			r#"{730				local me = self,731				a: 3,732				b: me.a,733			}.b"#734		);735	}736737	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly738	#[test]739	fn std_assert_ok() {740		eval!("std.assertEqual(4.5 << 2, 16)");741	}742743	#[test]744	#[should_panic]745	fn std_assert_failure() {746		eval!("std.assertEqual(4.5 << 2, 15)");747	}748749	#[test]750	fn string_is_string() {751		assert!(primitive_equals(752			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),753			&Val::Bool(false),754		)755		.unwrap());756	}757758	#[test]759	fn base64_works() {760		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);761	}762763	#[test]764	fn utf8_chars() {765		assert_json!(766			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,767			r#"{"c": 128526,"l": 1}"#768		)769	}770771	#[test]772	fn json() {773		assert_json!(774			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,775			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#776		);777	}778779	#[test]780	fn test() {781		assert_json!(782			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,783			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"784		);785	}786787	#[test]788	fn sjsonnet() {789		eval!(790			r#"791			local x0 = {k: 1};792			local x1 = {k: x0.k + x0.k};793			local x2 = {k: x1.k + x1.k};794			local x3 = {k: x2.k + x2.k};795			local x4 = {k: x3.k + x3.k};796			local x5 = {k: x4.k + x4.k};797			local x6 = {k: x5.k + x5.k};798			local x7 = {k: x6.k + x6.k};799			local x8 = {k: x7.k + x7.k};800			local x9 = {k: x8.k + x8.k};801			local x10 = {k: x9.k + x9.k};802			local x11 = {k: x10.k + x10.k};803			local x12 = {k: x11.k + x11.k};804			local x13 = {k: x12.k + x12.k};805			local x14 = {k: x13.k + x13.k};806			local x15 = {k: x14.k + x14.k};807			local x16 = {k: x15.k + x15.k};808			local x17 = {k: x16.k + x16.k};809			local x18 = {k: x17.k + x17.k};810			local x19 = {k: x18.k + x18.k};811			local x20 = {k: x19.k + x19.k};812			local x21 = {k: x20.k + x20.k};813			x21.k814		"#815		);816	}817818	// This test is commented out by default, because of huge compilation slowdown819	// #[bench]820	// fn bench_codegen(b: &mut Bencher) {821	// 	b.iter(|| {822	// 		#[allow(clippy::all)]823	// 		let stdlib = {824	// 			use jrsonnet_parser::*;825	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))826	// 		};827	// 		stdlib828	// 	})829	// }830831	/*832	#[bench]833	fn bench_serialize(b: &mut Bencher) {834		b.iter(|| {835			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(836				env!("OUT_DIR"),837				"/stdlib.bincode"838			)))839			.expect("deserialize stdlib")840		})841	}842843	#[bench]844	fn bench_parse(b: &mut Bencher) {845		b.iter(|| {846			jrsonnet_parser::parse(847				jrsonnet_stdlib::STDLIB_STR,848				&jrsonnet_parser::ParserSettings {849					loc_data: true,850					file_name: Rc::new(PathBuf::from("std.jsonnet")),851				},852			)853		})854	}855	*/856857	#[test]858	fn equality() {859		println!(860			"{:?}",861			jrsonnet_parser::parse(862				"{ x: 1, y: 2 } == { x: 1, y: 2 }",863				&ParserSettings::default()864			)865		);866		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")867	}868869	#[test]870	fn native_ext() -> crate::error::Result<()> {871		use super::native::NativeCallback;872		let evaluator = EvaluationState::default();873874		evaluator.with_stdlib();875		evaluator.settings_mut().ext_natives.insert(876			"native_add".into(),877			Rc::new(NativeCallback::new(878				ParamsDesc(Rc::new(vec![879					Param("a".into(), None),880					Param("b".into(), None),881				])),882				|args| match (&args[0], &args[1]) {883					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),884					(_, _) => todo!(),885				},886			)),887		);888		evaluator.evaluate_snippet_raw(889			Rc::new(PathBuf::from("test.jsonnet")),890			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),891		)?;892		Ok(())893	}894}