git.delta.rocks / jrsonnet / refs/commits / 036eddfba56d

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 val;1819pub use ctx::*;20pub use dynamic::*;21use error::{Error::*, LocError, Result, StackTraceElement};22pub use evaluate::*;23pub use function::parse_function_call;24pub use import::*;25use jrsonnet_parser::*;26use native::NativeCallback;27pub use obj::*;28use std::{29	cell::{Ref, RefCell, RefMut},30	collections::HashMap,31	fmt::Debug,32	path::PathBuf,33	rc::Rc,34};35use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};36pub use val::*;3738type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;39#[derive(Clone)]40pub enum LazyBinding {41	Bindable(Rc<BindableFn>),42	Bound(LazyVal),43}4445impl Debug for LazyBinding {46	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {47		write!(f, "LazyBinding")48	}49}50impl LazyBinding {51	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {52		match self {53			Self::Bindable(v) => v(this, super_obj),54			Self::Bound(v) => Ok(v.clone()),55		}56	}57}5859pub struct EvaluationSettings {60	/// Limits recursion by limiting the number of stack frames61	pub max_stack: usize,62	/// Limits amount of stack trace items preserved63	pub max_trace: usize,64	/// Used for s`td.extVar`65	pub ext_vars: HashMap<Rc<str>, Val>,66	/// Used for ext.native67	pub ext_natives: HashMap<Rc<str>, Rc<NativeCallback>>,68	/// TLA vars69	pub tla_vars: HashMap<Rc<str>, Val>,70	/// Global variables are inserted in default context71	pub globals: HashMap<Rc<str>, Val>,72	/// Used to resolve file locations/contents73	pub import_resolver: Box<dyn ImportResolver>,74	/// Used in manifestification functions75	pub manifest_format: ManifestFormat,76	/// Used for bindings77	pub trace_format: Box<dyn TraceFormat>,78}79impl Default for EvaluationSettings {80	fn default() -> Self {81		Self {82			max_stack: 200,83			max_trace: 20,84			globals: Default::default(),85			ext_vars: Default::default(),86			ext_natives: Default::default(),87			tla_vars: Default::default(),88			import_resolver: Box::new(DummyImportResolver),89			manifest_format: ManifestFormat::Json(4),90			trace_format: Box::new(CompactFormat {91				padding: 4,92				resolver: trace::PathResolver::Absolute,93			}),94		}95	}96}9798#[derive(Default)]99struct EvaluationData {100	/// Used for stack overflow detection, stacktrace is populated on unwind101	stack_depth: usize,102	/// Contains file source codes and evaluation results for imports and pretty-printed 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 the state for a currently executed file.122	/// Global state is fine here.123	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 as 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 data = self.data();197			let files = &data.files;198			if files.contains_key(&file_path) {199				drop(data);200				return self.evaluate_loaded_file_raw(&file_path);201			}202		}203		let contents = self.load_file_contents(&file_path)?;204		self.add_file(file_path.clone(), contents)?;205		self.evaluate_loaded_file_raw(&file_path)206	}207	pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {208		let path = self.resolve_file(from, path)?;209		if !self.data().str_files.contains_key(&path) {210			let file_str = self.load_file_contents(&path)?;211			self.data_mut().str_files.insert(path.clone(), file_str);212		}213		Ok(self.data().str_files.get(&path).cloned().unwrap())214	}215216	fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {217		let expr: LocExpr = {218			let ro_map = &self.data().files;219			let value = ro_map220				.get(name)221				.unwrap_or_else(|| panic!("file not added: {:?}", name));222			if let Some(ref evaluated) = value.evaluated {223				return Ok(evaluated.clone());224			}225			value.parsed.clone()226		};227		let value = evaluate(self.create_default_context()?, &expr)?;228		{229			self.data_mut()230				.files231				.get_mut(name)232				.unwrap()233				.evaluated234				.replace(value.clone());235		}236		Ok(value)237	}238239	/// Adds standard library global variable (std) to this evaluator240	pub fn with_stdlib(&self) -> &Self {241		use jrsonnet_stdlib::STDLIB_STR;242		let std_path = Rc::new(PathBuf::from("std.jsonnet"));243		self.run_in_state(|| {244			self.add_parsed_file(245				std_path.clone(),246				STDLIB_STR.to_owned().into(),247				builtin::get_parsed_stdlib(),248			)249			.unwrap();250			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();251			self.settings_mut().globals.insert("std".into(), val);252		});253		self254	}255256	/// Creates context with all passed global variables257	pub fn create_default_context(&self) -> Result<Context> {258		let globals = &self.settings().globals;259		let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();260		for (name, value) in globals.iter() {261			new_bindings.insert(262				name.clone(),263				LazyBinding::Bound(resolved_lazy_val!(value.clone())),264			);265		}266		Context::new().extend_unbound(new_bindings, None, None, None)267	}268269	/// Executes code creating a new stack frame270	pub fn push<T>(271		&self,272		e: &ExprLocation,273		frame_desc: impl FnOnce() -> String,274		f: impl FnOnce() -> Result<T>,275	) -> Result<T> {276		{277			let mut data = self.data_mut();278			let stack_depth = &mut data.stack_depth;279			if *stack_depth > self.max_stack() {280				// Error creation uses data, so i drop guard here281				drop(data);282				throw!(StackOverflow);283			} else {284				*stack_depth += 1;285			}286		}287		let result = f();288		self.data_mut().stack_depth -= 1;289		if let Err(mut err) = result {290			err.trace_mut().0.push(StackTraceElement {291				location: e.clone(),292				desc: frame_desc(),293			});294			return Err(err);295		}296		result297	}298299	/// Runs passed function in state (required if function needs to modify stack trace)300	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {301		EVAL_STATE.with(|v| {302			let has_state = v.borrow().is_some();303			if !has_state {304				v.borrow_mut().replace(self.clone());305			}306			let result = f();307			if !has_state {308				v.borrow_mut().take();309			}310			result311		})312	}313314	pub fn stringify_err(&self, e: &LocError) -> String {315		let mut out = String::new();316		self.settings()317			.trace_format318			.write_trace(&mut out, self, e)319			.unwrap();320		out321	}322323	pub fn manifest(&self, val: Val) -> Result<Rc<str>> {324		self.run_in_state(|| val.manifest(&self.manifest_format()))325	}326	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(Rc<str>, Rc<str>)>> {327		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))328	}329	pub fn manifest_stream(&self, val: Val) -> Result<Vec<Rc<str>>> {330		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))331	}332333	/// If passed value is function then call with set TLA334	pub fn with_tla(&self, val: Val) -> Result<Val> {335		self.run_in_state(|| {336			Ok(match val {337				Val::Func(func) => func.evaluate_map(338					self.create_default_context()?,339					&self.settings().tla_vars,340					true,341				)?,342				v => v,343			})344		})345	}346}347348/// Internals349impl EvaluationState {350	fn data(&self) -> Ref<EvaluationData> {351		self.0.data.borrow()352	}353	fn data_mut(&self) -> RefMut<EvaluationData> {354		self.0.data.borrow_mut()355	}356	pub fn settings(&self) -> Ref<EvaluationSettings> {357		self.0.settings.borrow()358	}359	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {360		self.0.settings.borrow_mut()361	}362}363364/// Raw methods evaluate passed values but don't perform TLA execution365impl EvaluationState {366	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {367		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))368	}369	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {370		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))371	}372	/// Parses and evaluates the given snippet373	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {374		let parsed = parse(375			&code,376			&ParserSettings {377				file_name: source.clone(),378				loc_data: true,379			},380		)381		.unwrap();382		self.add_parsed_file(source, code, parsed.clone())?;383		self.evaluate_expr_raw(parsed)384	}385	/// Evaluates the parsed expression386	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {387		self.run_in_state(|| evaluate(self.create_default_context()?, &code))388	}389}390391/// Settings utilities392impl EvaluationState {393	pub fn add_ext_var(&self, name: Rc<str>, value: Val) {394		self.settings_mut().ext_vars.insert(name, value);395	}396	pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {397		self.add_ext_var(name, Val::Str(value));398	}399	pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {400		let value =401			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;402		self.add_ext_var(name, value);403		Ok(())404	}405406	pub fn add_tla(&self, name: Rc<str>, value: Val) {407		self.settings_mut().tla_vars.insert(name, value);408	}409	pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {410		self.add_tla(name, Val::Str(value));411	}412	pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {413		let value =414			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;415		self.add_tla(name, value);416		Ok(())417	}418419	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {420		Ok(self.settings().import_resolver.resolve_file(from, path)?)421	}422	pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {423		Ok(self.settings().import_resolver.load_file_contents(path)?)424	}425426	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {427		Ref::map(self.settings(), |s| &*s.import_resolver)428	}429	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {430		self.settings_mut().import_resolver = resolver;431	}432433	pub fn add_native(&self, name: Rc<str>, cb: Rc<NativeCallback>) {434		self.settings_mut().ext_natives.insert(name, cb);435	}436437	pub fn manifest_format(&self) -> ManifestFormat {438		self.settings().manifest_format.clone()439	}440	pub fn set_manifest_format(&self, format: ManifestFormat) {441		self.settings_mut().manifest_format = format;442	}443444	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {445		Ref::map(self.settings(), |s| &*s.trace_format)446	}447	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {448		self.settings_mut().trace_format = format;449	}450451	pub fn max_trace(&self) -> usize {452		self.settings().max_trace453	}454	pub fn set_max_trace(&self, trace: usize) {455		self.settings_mut().max_trace = trace;456	}457458	pub fn max_stack(&self) -> usize {459		self.settings().max_stack460	}461	pub fn set_max_stack(&self, trace: usize) {462		self.settings_mut().max_stack = trace;463	}464}465466#[cfg(test)]467pub mod tests {468	use super::Val;469	use crate::{error::Error::*, primitive_equals, EvaluationState};470	use jrsonnet_parser::*;471	use std::{path::PathBuf, rc::Rc};472473	#[test]474	#[should_panic]475	fn eval_state_stacktrace() {476		let state = EvaluationState::default();477		state.run_in_state(|| {478			state479				.push(480					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),481					|| "outer".to_owned(),482					|| {483						state.push(484							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),485							|| "inner".to_owned(),486							|| Err(RuntimeError("".into()).into()),487						)?;488						Ok(())489					},490				)491				.unwrap();492		});493	}494495	#[test]496	fn eval_state_standard() {497		let state = EvaluationState::default();498		state.with_stdlib();499		assert!(primitive_equals(500			&state501				.evaluate_snippet_raw(502					Rc::new(PathBuf::from("raw.jsonnet")),503					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()504				)505				.unwrap(),506			&Val::Bool(true),507		)508		.unwrap());509	}510511	macro_rules! eval {512		($str: expr) => {513			EvaluationState::default()514				.with_stdlib()515				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())516				.unwrap()517		};518	}519	macro_rules! eval_json {520		($str: expr) => {{521			let evaluator = EvaluationState::default();522			evaluator.with_stdlib();523			evaluator.run_in_state(|| {524				evaluator525					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())526					.unwrap()527					.to_json(0)528					.unwrap()529					.replace("\n", "")530				})531			}};532	}533534	/// Asserts given code returns `true`535	macro_rules! assert_eval {536		($str: expr) => {537			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())538		};539	}540541	/// Asserts given code returns `false`542	macro_rules! assert_eval_neg {543		($str: expr) => {544			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())545		};546	}547	macro_rules! assert_json {548		($str: expr, $out: expr) => {549			assert_eq!(eval_json!($str), $out.replace("\t", ""))550		};551	}552553	/// Sanity checking, before trusting to another tests554	#[test]555	fn equality_operator() {556		assert_eval!("2 == 2");557		assert_eval_neg!("2 != 2");558		assert_eval!("2 != 3");559		assert_eval_neg!("2 == 3");560		assert_eval!("'Hello' == 'Hello'");561		assert_eval_neg!("'Hello' != 'Hello'");562		assert_eval!("'Hello' != 'World'");563		assert_eval_neg!("'Hello' == 'World'");564	}565566	#[test]567	fn math_evaluation() {568		assert_eval!("2 + 2 * 2 == 6");569		assert_eval!("3 + (2 + 2 * 2) == 9");570	}571572	#[test]573	fn string_concat() {574		assert_eval!("'Hello' + 'World' == 'HelloWorld'");575		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");576		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");577	}578579	#[test]580	fn faster_join() {581		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");582		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");583	}584585	#[test]586	fn function_contexts() {587		assert_eval!(588			r#"589				local k = {590					t(name = self.h): [self.h, name],591					h: 3,592				};593				local f = {594					t: k.t(),595					h: 4,596				};597				f.t[0] == f.t[1]598			"#599		);600	}601602	#[test]603	fn local() {604		assert_eval!("local a = 2; local b = 3; a + b == 5");605		assert_eval!("local a = 1, b = a + 1; a + b == 3");606		assert_eval!("local a = 1; local a = 2; a == 2");607	}608609	#[test]610	fn object_lazyness() {611		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);612	}613614	#[test]615	fn object_inheritance() {616		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);617	}618619	#[test]620	fn object_assertion_success() {621		eval!("{assert \"a\" in self} + {a:2}");622	}623624	#[test]625	fn object_assertion_error() {626		eval!("{assert \"a\" in self}");627	}628629	#[test]630	fn lazy_args() {631		eval!("local test(a) = 2; test(error '3')");632	}633634	#[test]635	#[should_panic]636	fn tailstrict_args() {637		eval!("local test(a) = 2; test(error '3') tailstrict");638	}639640	#[test]641	#[should_panic]642	fn no_binding_error() {643		eval!("a");644	}645646	#[test]647	fn test_object() {648		assert_json!("{a:2}", r#"{"a": 2}"#);649		assert_json!("{a:2+2}", r#"{"a": 4}"#);650		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);651		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);652		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);653		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);654		assert_json!(655			r#"656				{657					name: "Alice",658					welcome: "Hello " + self.name + "!",659				}660			"#,661			r#"{"name": "Alice","welcome": "Hello Alice!"}"#662		);663		assert_json!(664			r#"665				{666					name: "Alice",667					welcome: "Hello " + self.name + "!",668				} + {669					name: "Bob"670				}671			"#,672			r#"{"name": "Bob","welcome": "Hello Bob!"}"#673		);674	}675676	#[test]677	fn functions() {678		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");679		assert_json!(680			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,681			r#""HelloDearWorld""#682		);683	}684685	#[test]686	fn local_methods() {687		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");688		assert_json!(689			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,690			r#""HelloDearWorld""#691		);692	}693694	#[test]695	fn object_locals() {696		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);697		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);698		assert_json!(699			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,700			r#"{"test": {"test": 4}}"#701		);702	}703704	#[test]705	fn object_comp() {706		assert_json!(707			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}"#,708			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"709		)710	}711712	#[test]713	fn direct_self() {714		println!(715			"{:#?}",716			eval!(717				r#"718					{719						local me = self,720						a: 3,721						b(): me.a,722					}723				"#724			)725		);726	}727728	#[test]729	fn indirect_self() {730		// `self` assigned to `me` was lost when being731		// referenced from field732		eval!(733			r#"{734				local me = self,735				a: 3,736				b: me.a,737			}.b"#738		);739	}740741	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly742	#[test]743	fn std_assert_ok() {744		eval!("std.assertEqual(4.5 << 2, 16)");745	}746747	#[test]748	#[should_panic]749	fn std_assert_failure() {750		eval!("std.assertEqual(4.5 << 2, 15)");751	}752753	#[test]754	fn string_is_string() {755		assert!(primitive_equals(756			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),757			&Val::Bool(false),758		)759		.unwrap());760	}761762	#[test]763	fn base64_works() {764		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);765	}766767	#[test]768	fn utf8_chars() {769		assert_json!(770			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,771			r#"{"c": 128526,"l": 1}"#772		)773	}774775	#[test]776	fn json() {777		assert_json!(778			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,779			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#780		);781	}782783	#[test]784	fn test() {785		assert_json!(786			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,787			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"788		);789	}790791	#[test]792	fn sjsonnet() {793		eval!(794			r#"795			local x0 = {k: 1};796			local x1 = {k: x0.k + x0.k};797			local x2 = {k: x1.k + x1.k};798			local x3 = {k: x2.k + x2.k};799			local x4 = {k: x3.k + x3.k};800			local x5 = {k: x4.k + x4.k};801			local x6 = {k: x5.k + x5.k};802			local x7 = {k: x6.k + x6.k};803			local x8 = {k: x7.k + x7.k};804			local x9 = {k: x8.k + x8.k};805			local x10 = {k: x9.k + x9.k};806			local x11 = {k: x10.k + x10.k};807			local x12 = {k: x11.k + x11.k};808			local x13 = {k: x12.k + x12.k};809			local x14 = {k: x13.k + x13.k};810			local x15 = {k: x14.k + x14.k};811			local x16 = {k: x15.k + x15.k};812			local x17 = {k: x16.k + x16.k};813			local x18 = {k: x17.k + x17.k};814			local x19 = {k: x18.k + x18.k};815			local x20 = {k: x19.k + x19.k};816			local x21 = {k: x20.k + x20.k};817			x21.k818		"#819		);820	}821822	// This test is commented out by default, because of huge compilation slowdown823	// #[bench]824	// fn bench_codegen(b: &mut Bencher) {825	// 	b.iter(|| {826	// 		#[allow(clippy::all)]827	// 		let stdlib = {828	// 			use jrsonnet_parser::*;829	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))830	// 		};831	// 		stdlib832	// 	})833	// }834835	/*836	#[bench]837	fn bench_serialize(b: &mut Bencher) {838		b.iter(|| {839			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(840				env!("OUT_DIR"),841				"/stdlib.bincode"842			)))843			.expect("deserialize stdlib")844		})845	}846847	#[bench]848	fn bench_parse(b: &mut Bencher) {849		b.iter(|| {850			jrsonnet_parser::parse(851				jrsonnet_stdlib::STDLIB_STR,852				&jrsonnet_parser::ParserSettings {853					loc_data: true,854					file_name: Rc::new(PathBuf::from("std.jsonnet")),855				},856			)857		})858	}859	*/860861	#[test]862	fn equality() {863		println!(864			"{:?}",865			jrsonnet_parser::parse(866				"{ x: 1, y: 2 } == { x: 1, y: 2 }",867				&ParserSettings::default()868			)869		);870		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")871	}872873	#[test]874	fn native_ext() -> crate::error::Result<()> {875		use super::native::NativeCallback;876		let evaluator = EvaluationState::default();877878		evaluator.with_stdlib();879		evaluator.settings_mut().ext_natives.insert(880			"native_add".into(),881			Rc::new(NativeCallback::new(882				ParamsDesc(Rc::new(vec![883					Param("a".into(), None),884					Param("b".into(), None),885				])),886				|args| match (&args[0], &args[1]) {887					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),888					(_, _) => todo!(),889				},890			)),891		);892		evaluator.evaluate_snippet_raw(893			Rc::new(PathBuf::from("test.jsonnet")),894			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),895		)?;896		Ok(())897	}898899	#[test]900	fn constant_intrinsic() -> crate::error::Result<()> {901		assert_eval!(902			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"903		);904		Ok(())905	}906907	struct TestImportResolver(Rc<str>);908	impl crate::import::ImportResolver for TestImportResolver {909		fn resolve_file(&self, _: &PathBuf, _: &PathBuf) -> crate::error::Result<Rc<PathBuf>> {910			Ok(Rc::new(PathBuf::from("/test")))911		}912913		fn load_file_contents(&self, _: &PathBuf) -> crate::error::Result<Rc<str>> {914			Ok(self.0.clone())915		}916917		unsafe fn as_any(&self) -> &dyn std::any::Any {918			panic!()919		}920	}921922	#[test]923	fn issue_23() {924		let state = EvaluationState::default();925		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));926		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));927	}928}