git.delta.rocks / jrsonnet / refs/commits / 3d527a7bcaaf

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_interner::IStr;27use jrsonnet_parser::*;28use native::NativeCallback;29pub use obj::*;30use std::{31	cell::{Ref, RefCell, RefMut},32	collections::HashMap,33	fmt::Debug,34	path::PathBuf,35	rc::Rc,36};37use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};38pub use val::*;3940type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;41#[derive(Clone)]42pub enum LazyBinding {43	Bindable(Rc<BindableFn>),44	Bound(LazyVal),45}4647impl Debug for LazyBinding {48	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {49		write!(f, "LazyBinding")50	}51}52impl LazyBinding {53	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {54		match self {55			Self::Bindable(v) => v(this, super_obj),56			Self::Bound(v) => Ok(v.clone()),57		}58	}59}6061pub struct EvaluationSettings {62	/// Limits recursion by limiting the number of stack frames63	pub max_stack: usize,64	/// Limits amount of stack trace items preserved65	pub max_trace: usize,66	/// Used for s`td.extVar`67	pub ext_vars: HashMap<IStr, Val>,68	/// Used for ext.native69	pub ext_natives: HashMap<IStr, Rc<NativeCallback>>,70	/// TLA vars71	pub tla_vars: HashMap<IStr, Val>,72	/// Global variables are inserted in default context73	pub globals: HashMap<IStr, Val>,74	/// Used to resolve file locations/contents75	pub import_resolver: Box<dyn ImportResolver>,76	/// Used in manifestification functions77	pub manifest_format: ManifestFormat,78	/// Used for bindings79	pub trace_format: Box<dyn TraceFormat>,80}81impl Default for EvaluationSettings {82	fn default() -> Self {83		Self {84			max_stack: 200,85			max_trace: 20,86			globals: Default::default(),87			ext_vars: Default::default(),88			ext_natives: Default::default(),89			tla_vars: Default::default(),90			import_resolver: Box::new(DummyImportResolver),91			manifest_format: ManifestFormat::Json(4),92			trace_format: Box::new(CompactFormat {93				padding: 4,94				resolver: trace::PathResolver::Absolute,95			}),96		}97	}98}99100#[derive(Default)]101struct EvaluationData {102	/// Used for stack overflow detection, stacktrace is populated on unwind103	stack_depth: usize,104	/// Contains file source codes and evaluation results for imports and pretty-printed stacktraces105	files: HashMap<Rc<PathBuf>, FileData>,106	str_files: HashMap<Rc<PathBuf>, IStr>,107}108109pub struct FileData {110	source_code: IStr,111	parsed: LocExpr,112	evaluated: Option<Val>,113}114#[derive(Default)]115pub struct EvaluationStateInternals {116	/// Internal state117	data: RefCell<EvaluationData>,118	/// Settings, safe to change at runtime119	settings: RefCell<EvaluationSettings>,120}121122thread_local! {123	/// Contains the state for a currently executed file.124	/// Global state is fine here.125	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)126}127pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {128	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))129}130pub(crate) fn push<T>(131	e: &Option<ExprLocation>,132	frame_desc: impl FnOnce() -> String,133	f: impl FnOnce() -> Result<T>,134) -> Result<T> {135	if let Some(v) = e {136		with_state(|s| s.push(v, frame_desc, f))137	} else {138		f()139	}140}141142/// Maintains stack trace and import resolution143#[derive(Default, Clone)]144pub struct EvaluationState(Rc<EvaluationStateInternals>);145146impl EvaluationState {147	/// Parses and adds file as loaded148	pub fn add_file(&self, path: Rc<PathBuf>, source_code: IStr) -> Result<()> {149		self.add_parsed_file(150			path.clone(),151			source_code.clone(),152			parse(153				&source_code,154				&ParserSettings {155					file_name: path.clone(),156					loc_data: true,157				},158			)159			.map_err(|error| ImportSyntaxError {160				error: Box::new(error),161				path,162				source_code,163			})?,164		)?;165166		Ok(())167	}168169	/// Adds file by source code and parsed expr170	pub fn add_parsed_file(171		&self,172		name: Rc<PathBuf>,173		source_code: IStr,174		parsed: LocExpr,175	) -> Result<()> {176		self.data_mut().files.insert(177			name,178			FileData {179				source_code,180				parsed,181				evaluated: None,182			},183		);184185		Ok(())186	}187	pub fn get_source(&self, name: &PathBuf) -> Option<IStr> {188		let ro_map = &self.data().files;189		ro_map.get(name).map(|value| value.source_code.clone())190	}191	pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {192		offset_to_location(&self.get_source(file).unwrap(), locs)193	}194195	pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {196		let file_path = self.resolve_file(from, path)?;197		{198			let data = self.data();199			let files = &data.files;200			if files.contains_key(&file_path) {201				drop(data);202				return self.evaluate_loaded_file_raw(&file_path);203			}204		}205		let contents = self.load_file_contents(&file_path)?;206		self.add_file(file_path.clone(), contents)?;207		self.evaluate_loaded_file_raw(&file_path)208	}209	pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<IStr> {210		let path = self.resolve_file(from, path)?;211		if !self.data().str_files.contains_key(&path) {212			let file_str = self.load_file_contents(&path)?;213			self.data_mut().str_files.insert(path.clone(), file_str);214		}215		Ok(self.data().str_files.get(&path).cloned().unwrap())216	}217218	fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {219		let expr: LocExpr = {220			let ro_map = &self.data().files;221			let value = ro_map222				.get(name)223				.unwrap_or_else(|| panic!("file not added: {:?}", name));224			if let Some(ref evaluated) = value.evaluated {225				return Ok(evaluated.clone());226			}227			value.parsed.clone()228		};229		let value = evaluate(self.create_default_context()?, &expr)?;230		{231			self.data_mut()232				.files233				.get_mut(name)234				.unwrap()235				.evaluated236				.replace(value.clone());237		}238		Ok(value)239	}240241	/// Adds standard library global variable (std) to this evaluator242	pub fn with_stdlib(&self) -> &Self {243		use jrsonnet_stdlib::STDLIB_STR;244		let std_path = Rc::new(PathBuf::from("std.jsonnet"));245		self.run_in_state(|| {246			self.add_parsed_file(247				std_path.clone(),248				STDLIB_STR.to_owned().into(),249				builtin::get_parsed_stdlib(),250			)251			.unwrap();252			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();253			self.settings_mut().globals.insert("std".into(), val);254		});255		self256	}257258	/// Creates context with all passed global variables259	pub fn create_default_context(&self) -> Result<Context> {260		let globals = &self.settings().globals;261		let mut new_bindings: HashMap<IStr, LazyBinding> = HashMap::new();262		for (name, value) in globals.iter() {263			new_bindings.insert(264				name.clone(),265				LazyBinding::Bound(resolved_lazy_val!(value.clone())),266			);267		}268		Context::new().extend_unbound(new_bindings, None, None, None)269	}270271	/// Executes code creating a new stack frame272	pub fn push<T>(273		&self,274		e: &ExprLocation,275		frame_desc: impl FnOnce() -> String,276		f: impl FnOnce() -> Result<T>,277	) -> Result<T> {278		{279			let mut data = self.data_mut();280			let stack_depth = &mut data.stack_depth;281			if *stack_depth > self.max_stack() {282				// Error creation uses data, so i drop guard here283				drop(data);284				throw!(StackOverflow);285			} else {286				*stack_depth += 1;287			}288		}289		let result = f();290		self.data_mut().stack_depth -= 1;291		if let Err(mut err) = result {292			err.trace_mut().0.push(StackTraceElement {293				location: e.clone(),294				desc: frame_desc(),295			});296			return Err(err);297		}298		result299	}300301	/// Runs passed function in state (required if function needs to modify stack trace)302	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {303		EVAL_STATE.with(|v| {304			let has_state = v.borrow().is_some();305			if !has_state {306				v.borrow_mut().replace(self.clone());307			}308			let result = f();309			if !has_state {310				v.borrow_mut().take();311			}312			result313		})314	}315316	pub fn stringify_err(&self, e: &LocError) -> String {317		let mut out = String::new();318		self.settings()319			.trace_format320			.write_trace(&mut out, self, e)321			.unwrap();322		out323	}324325	pub fn manifest(&self, val: Val) -> Result<IStr> {326		self.run_in_state(|| val.manifest(&self.manifest_format()))327	}328	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {329		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))330	}331	pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {332		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))333	}334335	/// If passed value is function then call with set TLA336	pub fn with_tla(&self, val: Val) -> Result<Val> {337		self.run_in_state(|| {338			Ok(match val {339				Val::Func(func) => func.evaluate_map(340					self.create_default_context()?,341					&self.settings().tla_vars,342					true,343				)?,344				v => v,345			})346		})347	}348}349350/// Internals351impl EvaluationState {352	fn data(&self) -> Ref<EvaluationData> {353		self.0.data.borrow()354	}355	fn data_mut(&self) -> RefMut<EvaluationData> {356		self.0.data.borrow_mut()357	}358	pub fn settings(&self) -> Ref<EvaluationSettings> {359		self.0.settings.borrow()360	}361	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {362		self.0.settings.borrow_mut()363	}364}365366/// Raw methods evaluate passed values but don't perform TLA execution367impl EvaluationState {368	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {369		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))370	}371	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {372		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))373	}374	/// Parses and evaluates the given snippet375	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: IStr) -> Result<Val> {376		let parsed = parse(377			&code,378			&ParserSettings {379				file_name: source.clone(),380				loc_data: true,381			},382		)383		.unwrap();384		self.add_parsed_file(source, code, parsed.clone())?;385		self.evaluate_expr_raw(parsed)386	}387	/// Evaluates the parsed expression388	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {389		self.run_in_state(|| evaluate(self.create_default_context()?, &code))390	}391}392393/// Settings utilities394impl EvaluationState {395	pub fn add_ext_var(&self, name: IStr, value: Val) {396		self.settings_mut().ext_vars.insert(name, value);397	}398	pub fn add_ext_str(&self, name: IStr, value: IStr) {399		self.add_ext_var(name, Val::Str(value));400	}401	pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {402		let value =403			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;404		self.add_ext_var(name, value);405		Ok(())406	}407408	pub fn add_tla(&self, name: IStr, value: Val) {409		self.settings_mut().tla_vars.insert(name, value);410	}411	pub fn add_tla_str(&self, name: IStr, value: IStr) {412		self.add_tla(name, Val::Str(value));413	}414	pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {415		let value =416			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;417		self.add_tla(name, value);418		Ok(())419	}420421	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {422		Ok(self.settings().import_resolver.resolve_file(from, path)?)423	}424	pub fn load_file_contents(&self, path: &PathBuf) -> Result<IStr> {425		Ok(self.settings().import_resolver.load_file_contents(path)?)426	}427428	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {429		Ref::map(self.settings(), |s| &*s.import_resolver)430	}431	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {432		self.settings_mut().import_resolver = resolver;433	}434435	pub fn add_native(&self, name: IStr, cb: Rc<NativeCallback>) {436		self.settings_mut().ext_natives.insert(name, cb);437	}438439	pub fn manifest_format(&self) -> ManifestFormat {440		self.settings().manifest_format.clone()441	}442	pub fn set_manifest_format(&self, format: ManifestFormat) {443		self.settings_mut().manifest_format = format;444	}445446	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {447		Ref::map(self.settings(), |s| &*s.trace_format)448	}449	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {450		self.settings_mut().trace_format = format;451	}452453	pub fn max_trace(&self) -> usize {454		self.settings().max_trace455	}456	pub fn set_max_trace(&self, trace: usize) {457		self.settings_mut().max_trace = trace;458	}459460	pub fn max_stack(&self) -> usize {461		self.settings().max_stack462	}463	pub fn set_max_stack(&self, trace: usize) {464		self.settings_mut().max_stack = trace;465	}466}467468#[cfg(test)]469pub mod tests {470	use super::Val;471	use crate::{error::Error::*, primitive_equals, EvaluationState};472	use jrsonnet_interner::IStr;473	use jrsonnet_parser::*;474	use std::{path::PathBuf, rc::Rc};475476	#[test]477	#[should_panic]478	fn eval_state_stacktrace() {479		let state = EvaluationState::default();480		state.run_in_state(|| {481			state482				.push(483					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),484					|| "outer".to_owned(),485					|| {486						state.push(487							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),488							|| "inner".to_owned(),489							|| Err(RuntimeError("".into()).into()),490						)?;491						Ok(())492					},493				)494				.unwrap();495		});496	}497498	#[test]499	fn eval_state_standard() {500		let state = EvaluationState::default();501		state.with_stdlib();502		assert!(primitive_equals(503			&state504				.evaluate_snippet_raw(505					Rc::new(PathBuf::from("raw.jsonnet")),506					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()507				)508				.unwrap(),509			&Val::Bool(true),510		)511		.unwrap());512	}513514	macro_rules! eval {515		($str: expr) => {516			EvaluationState::default()517				.with_stdlib()518				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())519				.unwrap()520		};521	}522	macro_rules! eval_json {523		($str: expr) => {{524			let evaluator = EvaluationState::default();525			evaluator.with_stdlib();526			evaluator.run_in_state(|| {527				evaluator528					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())529					.unwrap()530					.to_json(0)531					.unwrap()532					.replace("\n", "")533				})534			}};535	}536537	/// Asserts given code returns `true`538	macro_rules! assert_eval {539		($str: expr) => {540			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())541		};542	}543544	/// Asserts given code returns `false`545	macro_rules! assert_eval_neg {546		($str: expr) => {547			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())548		};549	}550	macro_rules! assert_json {551		($str: expr, $out: expr) => {552			assert_eq!(eval_json!($str), $out.replace("\t", ""))553		};554	}555556	/// Sanity checking, before trusting to another tests557	#[test]558	fn equality_operator() {559		assert_eval!("2 == 2");560		assert_eval_neg!("2 != 2");561		assert_eval!("2 != 3");562		assert_eval_neg!("2 == 3");563		assert_eval!("'Hello' == 'Hello'");564		assert_eval_neg!("'Hello' != 'Hello'");565		assert_eval!("'Hello' != 'World'");566		assert_eval_neg!("'Hello' == 'World'");567	}568569	#[test]570	fn math_evaluation() {571		assert_eval!("2 + 2 * 2 == 6");572		assert_eval!("3 + (2 + 2 * 2) == 9");573	}574575	#[test]576	fn string_concat() {577		assert_eval!("'Hello' + 'World' == 'HelloWorld'");578		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");579		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");580	}581582	#[test]583	fn faster_join() {584		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");585		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");586	}587588	#[test]589	fn function_contexts() {590		assert_eval!(591			r#"592				local k = {593					t(name = self.h): [self.h, name],594					h: 3,595				};596				local f = {597					t: k.t(),598					h: 4,599				};600				f.t[0] == f.t[1]601			"#602		);603	}604605	#[test]606	fn local() {607		assert_eval!("local a = 2; local b = 3; a + b == 5");608		assert_eval!("local a = 1, b = a + 1; a + b == 3");609		assert_eval!("local a = 1; local a = 2; a == 2");610	}611612	#[test]613	fn object_lazyness() {614		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);615	}616617	#[test]618	fn object_inheritance() {619		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);620	}621622	#[test]623	fn object_assertion_success() {624		eval!("{assert \"a\" in self} + {a:2}");625	}626627	#[test]628	fn object_assertion_error() {629		eval!("{assert \"a\" in self}");630	}631632	#[test]633	fn lazy_args() {634		eval!("local test(a) = 2; test(error '3')");635	}636637	#[test]638	#[should_panic]639	fn tailstrict_args() {640		eval!("local test(a) = 2; test(error '3') tailstrict");641	}642643	#[test]644	#[should_panic]645	fn no_binding_error() {646		eval!("a");647	}648649	#[test]650	fn test_object() {651		assert_json!("{a:2}", r#"{"a": 2}"#);652		assert_json!("{a:2+2}", r#"{"a": 4}"#);653		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);654		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);655		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);656		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);657		assert_json!(658			r#"659				{660					name: "Alice",661					welcome: "Hello " + self.name + "!",662				}663			"#,664			r#"{"name": "Alice","welcome": "Hello Alice!"}"#665		);666		assert_json!(667			r#"668				{669					name: "Alice",670					welcome: "Hello " + self.name + "!",671				} + {672					name: "Bob"673				}674			"#,675			r#"{"name": "Bob","welcome": "Hello Bob!"}"#676		);677	}678679	#[test]680	fn functions() {681		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");682		assert_json!(683			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,684			r#""HelloDearWorld""#685		);686	}687688	#[test]689	fn local_methods() {690		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");691		assert_json!(692			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,693			r#""HelloDearWorld""#694		);695	}696697	#[test]698	fn object_locals() {699		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);700		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);701		assert_json!(702			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,703			r#"{"test": {"test": 4}}"#704		);705	}706707	#[test]708	fn object_comp() {709		assert_json!(710			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}"#,711			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"712		)713	}714715	#[test]716	fn direct_self() {717		println!(718			"{:#?}",719			eval!(720				r#"721					{722						local me = self,723						a: 3,724						b(): me.a,725					}726				"#727			)728		);729	}730731	#[test]732	fn indirect_self() {733		// `self` assigned to `me` was lost when being734		// referenced from field735		eval!(736			r#"{737				local me = self,738				a: 3,739				b: me.a,740			}.b"#741		);742	}743744	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly745	#[test]746	fn std_assert_ok() {747		eval!("std.assertEqual(4.5 << 2, 16)");748	}749750	#[test]751	#[should_panic]752	fn std_assert_failure() {753		eval!("std.assertEqual(4.5 << 2, 15)");754	}755756	#[test]757	fn string_is_string() {758		assert!(primitive_equals(759			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),760			&Val::Bool(false),761		)762		.unwrap());763	}764765	#[test]766	fn base64_works() {767		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);768	}769770	#[test]771	fn utf8_chars() {772		assert_json!(773			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,774			r#"{"c": 128526,"l": 1}"#775		)776	}777778	#[test]779	fn json() {780		assert_json!(781			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,782			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#783		);784	}785786	#[test]787	fn test() {788		assert_json!(789			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,790			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"791		);792	}793794	#[test]795	fn sjsonnet() {796		eval!(797			r#"798			local x0 = {k: 1};799			local x1 = {k: x0.k + x0.k};800			local x2 = {k: x1.k + x1.k};801			local x3 = {k: x2.k + x2.k};802			local x4 = {k: x3.k + x3.k};803			local x5 = {k: x4.k + x4.k};804			local x6 = {k: x5.k + x5.k};805			local x7 = {k: x6.k + x6.k};806			local x8 = {k: x7.k + x7.k};807			local x9 = {k: x8.k + x8.k};808			local x10 = {k: x9.k + x9.k};809			local x11 = {k: x10.k + x10.k};810			local x12 = {k: x11.k + x11.k};811			local x13 = {k: x12.k + x12.k};812			local x14 = {k: x13.k + x13.k};813			local x15 = {k: x14.k + x14.k};814			local x16 = {k: x15.k + x15.k};815			local x17 = {k: x16.k + x16.k};816			local x18 = {k: x17.k + x17.k};817			local x19 = {k: x18.k + x18.k};818			local x20 = {k: x19.k + x19.k};819			local x21 = {k: x20.k + x20.k};820			x21.k821		"#822		);823	}824825	// This test is commented out by default, because of huge compilation slowdown826	// #[bench]827	// fn bench_codegen(b: &mut Bencher) {828	// 	b.iter(|| {829	// 		#[allow(clippy::all)]830	// 		let stdlib = {831	// 			use jrsonnet_parser::*;832	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))833	// 		};834	// 		stdlib835	// 	})836	// }837838	/*839	#[bench]840	fn bench_serialize(b: &mut Bencher) {841		b.iter(|| {842			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(843				env!("OUT_DIR"),844				"/stdlib.bincode"845			)))846			.expect("deserialize stdlib")847		})848	}849850	#[bench]851	fn bench_parse(b: &mut Bencher) {852		b.iter(|| {853			jrsonnet_parser::parse(854				jrsonnet_stdlib::STDLIB_STR,855				&jrsonnet_parser::ParserSettings {856					loc_data: true,857					file_name: Rc::new(PathBuf::from("std.jsonnet")),858				},859			)860		})861	}862	*/863864	#[test]865	fn equality() {866		println!(867			"{:?}",868			jrsonnet_parser::parse(869				"{ x: 1, y: 2 } == { x: 1, y: 2 }",870				&ParserSettings::default()871			)872		);873		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")874	}875876	#[test]877	fn native_ext() -> crate::error::Result<()> {878		use super::native::NativeCallback;879		let evaluator = EvaluationState::default();880881		evaluator.with_stdlib();882		evaluator.settings_mut().ext_natives.insert(883			"native_add".into(),884			Rc::new(NativeCallback::new(885				ParamsDesc(Rc::new(vec![886					Param("a".into(), None),887					Param("b".into(), None),888				])),889				|args| match (&args[0], &args[1]) {890					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),891					(_, _) => todo!(),892				},893			)),894		);895		evaluator.evaluate_snippet_raw(896			Rc::new(PathBuf::from("test.jsonnet")),897			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),898		)?;899		Ok(())900	}901902	#[test]903	fn constant_intrinsic() -> crate::error::Result<()> {904		assert_eval!(905			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"906		);907		Ok(())908	}909910	struct TestImportResolver(IStr);911	impl crate::import::ImportResolver for TestImportResolver {912		fn resolve_file(&self, _: &PathBuf, _: &PathBuf) -> crate::error::Result<Rc<PathBuf>> {913			Ok(Rc::new(PathBuf::from("/test")))914		}915916		fn load_file_contents(&self, _: &PathBuf) -> crate::error::Result<IStr> {917			Ok(self.0.clone())918		}919920		unsafe fn as_any(&self) -> &dyn std::any::Any {921			panic!()922		}923	}924925	#[test]926	fn issue_23() {927		let state = EvaluationState::default();928		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));929		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));930	}931}