git.delta.rocks / jrsonnet / refs/commits / 407517ff4770

1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![allow(macro_expanded_macro_exports_accessed_by_absolute_paths)]3#![warn(clippy::all, clippy::nursery)]45mod builtin;6mod ctx;7mod dynamic;8pub mod error;9mod evaluate;10mod function;11mod import;12mod integrations;13mod map;14pub mod native;15mod obj;16pub mod trace;17mod typed;18mod val;1920pub use ctx::*;21pub use dynamic::*;22use error::{Error::*, LocError, Result, StackTraceElement};23pub use evaluate::*;24pub use function::parse_function_call;25pub use import::*;26use jrsonnet_parser::*;27use native::NativeCallback;28pub use obj::*;29use std::{30	cell::{Ref, RefCell, RefMut},31	collections::HashMap,32	fmt::Debug,33	path::PathBuf,34	rc::Rc,35};36use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};37pub use val::*;3839type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;40#[derive(Clone)]41pub enum LazyBinding {42	Bindable(Rc<BindableFn>),43	Bound(LazyVal),44}4546impl Debug for LazyBinding {47	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {48		write!(f, "LazyBinding")49	}50}51impl LazyBinding {52	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {53		match self {54			Self::Bindable(v) => v(this, super_obj),55			Self::Bound(v) => Ok(v.clone()),56		}57	}58}5960pub struct EvaluationSettings {61	/// Limits recursion by limiting the number of stack frames62	pub max_stack: usize,63	/// Limits amount of stack trace items preserved64	pub max_trace: usize,65	/// Used for s`td.extVar`66	pub ext_vars: HashMap<Rc<str>, Val>,67	/// Used for ext.native68	pub ext_natives: HashMap<Rc<str>, Rc<NativeCallback>>,69	/// TLA vars70	pub tla_vars: HashMap<Rc<str>, Val>,71	/// Global variables are inserted in default context72	pub globals: HashMap<Rc<str>, Val>,73	/// Used to resolve file locations/contents74	pub import_resolver: Box<dyn ImportResolver>,75	/// Used in manifestification functions76	pub manifest_format: ManifestFormat,77	/// Used for bindings78	pub trace_format: Box<dyn TraceFormat>,79}80impl Default for EvaluationSettings {81	fn default() -> Self {82		Self {83			max_stack: 200,84			max_trace: 20,85			globals: Default::default(),86			ext_vars: Default::default(),87			ext_natives: Default::default(),88			tla_vars: Default::default(),89			import_resolver: Box::new(DummyImportResolver),90			manifest_format: ManifestFormat::Json(4),91			trace_format: Box::new(CompactFormat {92				padding: 4,93				resolver: trace::PathResolver::Absolute,94			}),95		}96	}97}9899#[derive(Default)]100struct EvaluationData {101	/// Used for stack overflow detection, stacktrace is populated on unwind102	stack_depth: usize,103	/// Contains file source codes and evaluation results for imports and pretty-printed stacktraces104	files: HashMap<Rc<PathBuf>, FileData>,105	str_files: HashMap<Rc<PathBuf>, Rc<str>>,106}107108pub struct FileData {109	source_code: Rc<str>,110	parsed: LocExpr,111	evaluated: Option<Val>,112}113#[derive(Default)]114pub struct EvaluationStateInternals {115	/// Internal state116	data: RefCell<EvaluationData>,117	/// Settings, safe to change at runtime118	settings: RefCell<EvaluationSettings>,119}120121thread_local! {122	/// Contains the state for a currently executed file.123	/// Global state is fine here.124	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)125}126pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {127	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))128}129pub(crate) fn push<T>(130	e: &Option<ExprLocation>,131	frame_desc: impl FnOnce() -> String,132	f: impl FnOnce() -> Result<T>,133) -> Result<T> {134	if let Some(v) = e {135		with_state(|s| s.push(v, frame_desc, f))136	} else {137		f()138	}139}140141/// Maintains stack trace and import resolution142#[derive(Default, Clone)]143pub struct EvaluationState(Rc<EvaluationStateInternals>);144145impl EvaluationState {146	/// Parses and adds file as loaded147	pub fn add_file(&self, path: Rc<PathBuf>, source_code: Rc<str>) -> Result<()> {148		self.add_parsed_file(149			path.clone(),150			source_code.clone(),151			parse(152				&source_code,153				&ParserSettings {154					file_name: path.clone(),155					loc_data: true,156				},157			)158			.map_err(|error| ImportSyntaxError {159				error: Box::new(error),160				path,161				source_code,162			})?,163		)?;164165		Ok(())166	}167168	/// Adds file by source code and parsed expr169	pub fn add_parsed_file(170		&self,171		name: Rc<PathBuf>,172		source_code: Rc<str>,173		parsed: LocExpr,174	) -> Result<()> {175		self.data_mut().files.insert(176			name,177			FileData {178				source_code,179				parsed,180				evaluated: None,181			},182		);183184		Ok(())185	}186	pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {187		let ro_map = &self.data().files;188		ro_map.get(name).map(|value| value.source_code.clone())189	}190	pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {191		offset_to_location(&self.get_source(file).unwrap(), locs)192	}193194	pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {195		let file_path = self.resolve_file(from, path)?;196		{197			let data = self.data();198			let files = &data.files;199			if files.contains_key(&file_path) {200				drop(data);201				return self.evaluate_loaded_file_raw(&file_path);202			}203		}204		let contents = self.load_file_contents(&file_path)?;205		self.add_file(file_path.clone(), contents)?;206		self.evaluate_loaded_file_raw(&file_path)207	}208	pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {209		let path = self.resolve_file(from, path)?;210		if !self.data().str_files.contains_key(&path) {211			let file_str = self.load_file_contents(&path)?;212			self.data_mut().str_files.insert(path.clone(), file_str);213		}214		Ok(self.data().str_files.get(&path).cloned().unwrap())215	}216217	fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {218		let expr: LocExpr = {219			let ro_map = &self.data().files;220			let value = ro_map221				.get(name)222				.unwrap_or_else(|| panic!("file not added: {:?}", name));223			if let Some(ref evaluated) = value.evaluated {224				return Ok(evaluated.clone());225			}226			value.parsed.clone()227		};228		let value = evaluate(self.create_default_context()?, &expr)?;229		{230			self.data_mut()231				.files232				.get_mut(name)233				.unwrap()234				.evaluated235				.replace(value.clone());236		}237		Ok(value)238	}239240	/// Adds standard library global variable (std) to this evaluator241	pub fn with_stdlib(&self) -> &Self {242		use jrsonnet_stdlib::STDLIB_STR;243		let std_path = Rc::new(PathBuf::from("std.jsonnet"));244		self.run_in_state(|| {245			self.add_parsed_file(246				std_path.clone(),247				STDLIB_STR.to_owned().into(),248				builtin::get_parsed_stdlib(),249			)250			.unwrap();251			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();252			self.settings_mut().globals.insert("std".into(), val);253		});254		self255	}256257	/// Creates context with all passed global variables258	pub fn create_default_context(&self) -> Result<Context> {259		let globals = &self.settings().globals;260		let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();261		for (name, value) in globals.iter() {262			new_bindings.insert(263				name.clone(),264				LazyBinding::Bound(resolved_lazy_val!(value.clone())),265			);266		}267		Context::new().extend_unbound(new_bindings, None, None, None)268	}269270	/// Executes code creating a new stack frame271	pub fn push<T>(272		&self,273		e: &ExprLocation,274		frame_desc: impl FnOnce() -> String,275		f: impl FnOnce() -> Result<T>,276	) -> Result<T> {277		{278			let mut data = self.data_mut();279			let stack_depth = &mut data.stack_depth;280			if *stack_depth > self.max_stack() {281				// Error creation uses data, so i drop guard here282				drop(data);283				throw!(StackOverflow);284			} else {285				*stack_depth += 1;286			}287		}288		let result = f();289		self.data_mut().stack_depth -= 1;290		if let Err(mut err) = result {291			err.trace_mut().0.push(StackTraceElement {292				location: e.clone(),293				desc: frame_desc(),294			});295			return Err(err);296		}297		result298	}299300	/// Runs passed function in state (required if function needs to modify stack trace)301	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {302		EVAL_STATE.with(|v| {303			let has_state = v.borrow().is_some();304			if !has_state {305				v.borrow_mut().replace(self.clone());306			}307			let result = f();308			if !has_state {309				v.borrow_mut().take();310			}311			result312		})313	}314315	pub fn stringify_err(&self, e: &LocError) -> String {316		let mut out = String::new();317		self.settings()318			.trace_format319			.write_trace(&mut out, self, e)320			.unwrap();321		out322	}323324	pub fn manifest(&self, val: Val) -> Result<Rc<str>> {325		self.run_in_state(|| val.manifest(&self.manifest_format()))326	}327	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(Rc<str>, Rc<str>)>> {328		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))329	}330	pub fn manifest_stream(&self, val: Val) -> Result<Vec<Rc<str>>> {331		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))332	}333334	/// If passed value is function then call with set TLA335	pub fn with_tla(&self, val: Val) -> Result<Val> {336		self.run_in_state(|| {337			Ok(match val {338				Val::Func(func) => func.evaluate_map(339					self.create_default_context()?,340					&self.settings().tla_vars,341					true,342				)?,343				v => v,344			})345		})346	}347}348349/// Internals350impl EvaluationState {351	fn data(&self) -> Ref<EvaluationData> {352		self.0.data.borrow()353	}354	fn data_mut(&self) -> RefMut<EvaluationData> {355		self.0.data.borrow_mut()356	}357	pub fn settings(&self) -> Ref<EvaluationSettings> {358		self.0.settings.borrow()359	}360	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {361		self.0.settings.borrow_mut()362	}363}364365/// Raw methods evaluate passed values but don't perform TLA execution366impl EvaluationState {367	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {368		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))369	}370	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {371		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))372	}373	/// Parses and evaluates the given snippet374	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {375		let parsed = parse(376			&code,377			&ParserSettings {378				file_name: source.clone(),379				loc_data: true,380			},381		)382		.unwrap();383		self.add_parsed_file(source, code, parsed.clone())?;384		self.evaluate_expr_raw(parsed)385	}386	/// Evaluates the parsed expression387	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {388		self.run_in_state(|| evaluate(self.create_default_context()?, &code))389	}390}391392/// Settings utilities393impl EvaluationState {394	pub fn add_ext_var(&self, name: Rc<str>, value: Val) {395		self.settings_mut().ext_vars.insert(name, value);396	}397	pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {398		self.add_ext_var(name, Val::Str(value));399	}400	pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {401		let value =402			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;403		self.add_ext_var(name, value);404		Ok(())405	}406407	pub fn add_tla(&self, name: Rc<str>, value: Val) {408		self.settings_mut().tla_vars.insert(name, value);409	}410	pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {411		self.add_tla(name, Val::Str(value));412	}413	pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {414		let value =415			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;416		self.add_tla(name, value);417		Ok(())418	}419420	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {421		Ok(self.settings().import_resolver.resolve_file(from, path)?)422	}423	pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {424		Ok(self.settings().import_resolver.load_file_contents(path)?)425	}426427	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {428		Ref::map(self.settings(), |s| &*s.import_resolver)429	}430	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {431		self.settings_mut().import_resolver = resolver;432	}433434	pub fn add_native(&self, name: Rc<str>, cb: Rc<NativeCallback>) {435		self.settings_mut().ext_natives.insert(name, cb);436	}437438	pub fn manifest_format(&self) -> ManifestFormat {439		self.settings().manifest_format.clone()440	}441	pub fn set_manifest_format(&self, format: ManifestFormat) {442		self.settings_mut().manifest_format = format;443	}444445	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {446		Ref::map(self.settings(), |s| &*s.trace_format)447	}448	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {449		self.settings_mut().trace_format = format;450	}451452	pub fn max_trace(&self) -> usize {453		self.settings().max_trace454	}455	pub fn set_max_trace(&self, trace: usize) {456		self.settings_mut().max_trace = trace;457	}458459	pub fn max_stack(&self) -> usize {460		self.settings().max_stack461	}462	pub fn set_max_stack(&self, trace: usize) {463		self.settings_mut().max_stack = trace;464	}465}466467#[cfg(test)]468pub mod tests {469	use super::Val;470	use crate::{error::Error::*, primitive_equals, EvaluationState};471	use jrsonnet_parser::*;472	use std::{path::PathBuf, rc::Rc};473474	#[test]475	#[should_panic]476	fn eval_state_stacktrace() {477		let state = EvaluationState::default();478		state.run_in_state(|| {479			state480				.push(481					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),482					|| "outer".to_owned(),483					|| {484						state.push(485							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),486							|| "inner".to_owned(),487							|| Err(RuntimeError("".into()).into()),488						)?;489						Ok(())490					},491				)492				.unwrap();493		});494	}495496	#[test]497	fn eval_state_standard() {498		let state = EvaluationState::default();499		state.with_stdlib();500		assert!(primitive_equals(501			&state502				.evaluate_snippet_raw(503					Rc::new(PathBuf::from("raw.jsonnet")),504					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()505				)506				.unwrap(),507			&Val::Bool(true),508		)509		.unwrap());510	}511512	macro_rules! eval {513		($str: expr) => {514			EvaluationState::default()515				.with_stdlib()516				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())517				.unwrap()518		};519	}520	macro_rules! eval_json {521		($str: expr) => {{522			let evaluator = EvaluationState::default();523			evaluator.with_stdlib();524			evaluator.run_in_state(|| {525				evaluator526					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())527					.unwrap()528					.to_json(0)529					.unwrap()530					.replace("\n", "")531				})532			}};533	}534535	/// Asserts given code returns `true`536	macro_rules! assert_eval {537		($str: expr) => {538			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())539		};540	}541542	/// Asserts given code returns `false`543	macro_rules! assert_eval_neg {544		($str: expr) => {545			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())546		};547	}548	macro_rules! assert_json {549		($str: expr, $out: expr) => {550			assert_eq!(eval_json!($str), $out.replace("\t", ""))551		};552	}553554	/// Sanity checking, before trusting to another tests555	#[test]556	fn equality_operator() {557		assert_eval!("2 == 2");558		assert_eval_neg!("2 != 2");559		assert_eval!("2 != 3");560		assert_eval_neg!("2 == 3");561		assert_eval!("'Hello' == 'Hello'");562		assert_eval_neg!("'Hello' != 'Hello'");563		assert_eval!("'Hello' != 'World'");564		assert_eval_neg!("'Hello' == 'World'");565	}566567	#[test]568	fn math_evaluation() {569		assert_eval!("2 + 2 * 2 == 6");570		assert_eval!("3 + (2 + 2 * 2) == 9");571	}572573	#[test]574	fn string_concat() {575		assert_eval!("'Hello' + 'World' == 'HelloWorld'");576		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");577		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");578	}579580	#[test]581	fn faster_join() {582		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");583		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");584	}585586	#[test]587	fn function_contexts() {588		assert_eval!(589			r#"590				local k = {591					t(name = self.h): [self.h, name],592					h: 3,593				};594				local f = {595					t: k.t(),596					h: 4,597				};598				f.t[0] == f.t[1]599			"#600		);601	}602603	#[test]604	fn local() {605		assert_eval!("local a = 2; local b = 3; a + b == 5");606		assert_eval!("local a = 1, b = a + 1; a + b == 3");607		assert_eval!("local a = 1; local a = 2; a == 2");608	}609610	#[test]611	fn object_lazyness() {612		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);613	}614615	#[test]616	fn object_inheritance() {617		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);618	}619620	#[test]621	fn object_assertion_success() {622		eval!("{assert \"a\" in self} + {a:2}");623	}624625	#[test]626	fn object_assertion_error() {627		eval!("{assert \"a\" in self}");628	}629630	#[test]631	fn lazy_args() {632		eval!("local test(a) = 2; test(error '3')");633	}634635	#[test]636	#[should_panic]637	fn tailstrict_args() {638		eval!("local test(a) = 2; test(error '3') tailstrict");639	}640641	#[test]642	#[should_panic]643	fn no_binding_error() {644		eval!("a");645	}646647	#[test]648	fn test_object() {649		assert_json!("{a:2}", r#"{"a": 2}"#);650		assert_json!("{a:2+2}", r#"{"a": 4}"#);651		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);652		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);653		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);654		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);655		assert_json!(656			r#"657				{658					name: "Alice",659					welcome: "Hello " + self.name + "!",660				}661			"#,662			r#"{"name": "Alice","welcome": "Hello Alice!"}"#663		);664		assert_json!(665			r#"666				{667					name: "Alice",668					welcome: "Hello " + self.name + "!",669				} + {670					name: "Bob"671				}672			"#,673			r#"{"name": "Bob","welcome": "Hello Bob!"}"#674		);675	}676677	#[test]678	fn functions() {679		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");680		assert_json!(681			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,682			r#""HelloDearWorld""#683		);684	}685686	#[test]687	fn local_methods() {688		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");689		assert_json!(690			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,691			r#""HelloDearWorld""#692		);693	}694695	#[test]696	fn object_locals() {697		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);698		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);699		assert_json!(700			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,701			r#"{"test": {"test": 4}}"#702		);703	}704705	#[test]706	fn object_comp() {707		assert_json!(708			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}"#,709			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"710		)711	}712713	#[test]714	fn direct_self() {715		println!(716			"{:#?}",717			eval!(718				r#"719					{720						local me = self,721						a: 3,722						b(): me.a,723					}724				"#725			)726		);727	}728729	#[test]730	fn indirect_self() {731		// `self` assigned to `me` was lost when being732		// referenced from field733		eval!(734			r#"{735				local me = self,736				a: 3,737				b: me.a,738			}.b"#739		);740	}741742	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly743	#[test]744	fn std_assert_ok() {745		eval!("std.assertEqual(4.5 << 2, 16)");746	}747748	#[test]749	#[should_panic]750	fn std_assert_failure() {751		eval!("std.assertEqual(4.5 << 2, 15)");752	}753754	#[test]755	fn string_is_string() {756		assert!(primitive_equals(757			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),758			&Val::Bool(false),759		)760		.unwrap());761	}762763	#[test]764	fn base64_works() {765		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);766	}767768	#[test]769	fn utf8_chars() {770		assert_json!(771			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,772			r#"{"c": 128526,"l": 1}"#773		)774	}775776	#[test]777	fn json() {778		assert_json!(779			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,780			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#781		);782	}783784	#[test]785	fn test() {786		assert_json!(787			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,788			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"789		);790	}791792	#[test]793	fn sjsonnet() {794		eval!(795			r#"796			local x0 = {k: 1};797			local x1 = {k: x0.k + x0.k};798			local x2 = {k: x1.k + x1.k};799			local x3 = {k: x2.k + x2.k};800			local x4 = {k: x3.k + x3.k};801			local x5 = {k: x4.k + x4.k};802			local x6 = {k: x5.k + x5.k};803			local x7 = {k: x6.k + x6.k};804			local x8 = {k: x7.k + x7.k};805			local x9 = {k: x8.k + x8.k};806			local x10 = {k: x9.k + x9.k};807			local x11 = {k: x10.k + x10.k};808			local x12 = {k: x11.k + x11.k};809			local x13 = {k: x12.k + x12.k};810			local x14 = {k: x13.k + x13.k};811			local x15 = {k: x14.k + x14.k};812			local x16 = {k: x15.k + x15.k};813			local x17 = {k: x16.k + x16.k};814			local x18 = {k: x17.k + x17.k};815			local x19 = {k: x18.k + x18.k};816			local x20 = {k: x19.k + x19.k};817			local x21 = {k: x20.k + x20.k};818			x21.k819		"#820		);821	}822823	// This test is commented out by default, because of huge compilation slowdown824	// #[bench]825	// fn bench_codegen(b: &mut Bencher) {826	// 	b.iter(|| {827	// 		#[allow(clippy::all)]828	// 		let stdlib = {829	// 			use jrsonnet_parser::*;830	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))831	// 		};832	// 		stdlib833	// 	})834	// }835836	/*837	#[bench]838	fn bench_serialize(b: &mut Bencher) {839		b.iter(|| {840			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(841				env!("OUT_DIR"),842				"/stdlib.bincode"843			)))844			.expect("deserialize stdlib")845		})846	}847848	#[bench]849	fn bench_parse(b: &mut Bencher) {850		b.iter(|| {851			jrsonnet_parser::parse(852				jrsonnet_stdlib::STDLIB_STR,853				&jrsonnet_parser::ParserSettings {854					loc_data: true,855					file_name: Rc::new(PathBuf::from("std.jsonnet")),856				},857			)858		})859	}860	*/861862	#[test]863	fn equality() {864		println!(865			"{:?}",866			jrsonnet_parser::parse(867				"{ x: 1, y: 2 } == { x: 1, y: 2 }",868				&ParserSettings::default()869			)870		);871		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")872	}873874	#[test]875	fn native_ext() -> crate::error::Result<()> {876		use super::native::NativeCallback;877		let evaluator = EvaluationState::default();878879		evaluator.with_stdlib();880		evaluator.settings_mut().ext_natives.insert(881			"native_add".into(),882			Rc::new(NativeCallback::new(883				ParamsDesc(Rc::new(vec![884					Param("a".into(), None),885					Param("b".into(), None),886				])),887				|args| match (&args[0], &args[1]) {888					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),889					(_, _) => todo!(),890				},891			)),892		);893		evaluator.evaluate_snippet_raw(894			Rc::new(PathBuf::from("test.jsonnet")),895			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),896		)?;897		Ok(())898	}899900	#[test]901	fn constant_intrinsic() -> crate::error::Result<()> {902		assert_eval!(903			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"904		);905		Ok(())906	}907908	struct TestImportResolver(Rc<str>);909	impl crate::import::ImportResolver for TestImportResolver {910		fn resolve_file(&self, _: &PathBuf, _: &PathBuf) -> crate::error::Result<Rc<PathBuf>> {911			Ok(Rc::new(PathBuf::from("/test")))912		}913914		fn load_file_contents(&self, _: &PathBuf) -> crate::error::Result<Rc<str>> {915			Ok(self.0.clone())916		}917918		unsafe fn as_any(&self) -> &dyn std::any::Any {919			panic!()920		}921	}922923	#[test]924	fn issue_23() {925		let state = EvaluationState::default();926		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));927		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));928	}929}