git.delta.rocks / jrsonnet / refs/commits / 0d591aa205cc

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;17pub mod 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	with_state(|s| s.push(e, frame_desc, f))136}137138pub fn push_stack_frame<T>(139	e: Option<&ExprLocation>,140	frame_desc: impl FnOnce() -> String,141	f: impl FnOnce() -> Result<T>,142 ) -> Result<T> {143	push(e, frame_desc, f)144}145146/// Maintains stack trace and import resolution147#[derive(Default, Clone)]148pub struct EvaluationState(Rc<EvaluationStateInternals>);149150impl EvaluationState {151	/// Parses and adds file as loaded152	pub fn add_file(&self, path: Rc<PathBuf>, source_code: IStr) -> Result<()> {153		self.add_parsed_file(154			path.clone(),155			source_code.clone(),156			parse(157				&source_code,158				&ParserSettings {159					file_name: path.clone(),160					loc_data: true,161				},162			)163			.map_err(|error| ImportSyntaxError {164				error: Box::new(error),165				path,166				source_code,167			})?,168		)?;169170		Ok(())171	}172173	/// Adds file by source code and parsed expr174	pub fn add_parsed_file(175		&self,176		name: Rc<PathBuf>,177		source_code: IStr,178		parsed: LocExpr,179	) -> Result<()> {180		self.data_mut().files.insert(181			name,182			FileData {183				source_code,184				parsed,185				evaluated: None,186			},187		);188189		Ok(())190	}191	pub fn get_source(&self, name: &PathBuf) -> Option<IStr> {192		let ro_map = &self.data().files;193		ro_map.get(name).map(|value| value.source_code.clone())194	}195	pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {196		offset_to_location(&self.get_source(file).unwrap(), locs)197	}198199	pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {200		let file_path = self.resolve_file(from, path)?;201		{202			let data = self.data();203			let files = &data.files;204			if files.contains_key(&file_path) {205				drop(data);206				return self.evaluate_loaded_file_raw(&file_path);207			}208		}209		let contents = self.load_file_contents(&file_path)?;210		self.add_file(file_path.clone(), contents)?;211		self.evaluate_loaded_file_raw(&file_path)212	}213	pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<IStr> {214		let path = self.resolve_file(from, path)?;215		if !self.data().str_files.contains_key(&path) {216			let file_str = self.load_file_contents(&path)?;217			self.data_mut().str_files.insert(path.clone(), file_str);218		}219		Ok(self.data().str_files.get(&path).cloned().unwrap())220	}221222	fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {223		let expr: LocExpr = {224			let ro_map = &self.data().files;225			let value = ro_map226				.get(name)227				.unwrap_or_else(|| panic!("file not added: {:?}", name));228			if let Some(ref evaluated) = value.evaluated {229				return Ok(evaluated.clone());230			}231			value.parsed.clone()232		};233		let value = evaluate(self.create_default_context()?, &expr)?;234		{235			self.data_mut()236				.files237				.get_mut(name)238				.unwrap()239				.evaluated240				.replace(value.clone());241		}242		Ok(value)243	}244245	/// Adds standard library global variable (std) to this evaluator246	pub fn with_stdlib(&self) -> &Self {247		use jrsonnet_stdlib::STDLIB_STR;248		let std_path = Rc::new(PathBuf::from("std.jsonnet"));249		self.run_in_state(|| {250			self.add_parsed_file(251				std_path.clone(),252				STDLIB_STR.to_owned().into(),253				builtin::get_parsed_stdlib(),254			)255			.unwrap();256			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();257			self.settings_mut().globals.insert("std".into(), val);258		});259		self260	}261262	/// Creates context with all passed global variables263	pub fn create_default_context(&self) -> Result<Context> {264		let globals = &self.settings().globals;265		let mut new_bindings: HashMap<IStr, LazyBinding> = HashMap::new();266		for (name, value) in globals.iter() {267			new_bindings.insert(268				name.clone(),269				LazyBinding::Bound(resolved_lazy_val!(value.clone())),270			);271		}272		Context::new().extend_unbound(new_bindings, None, None, None)273	}274275	/// Executes code creating a new stack frame276	pub fn push<T>(277		&self,278		e: Option<&ExprLocation>,279		frame_desc: impl FnOnce() -> String,280		f: impl FnOnce() -> Result<T>,281	) -> Result<T> {282		{283			let mut data = self.data_mut();284			let stack_depth = &mut data.stack_depth;285			if *stack_depth > self.max_stack() {286				// Error creation uses data, so i drop guard here287				drop(data);288				throw!(StackOverflow);289			} else {290				*stack_depth += 1;291			}292		}293		let result = f();294		self.data_mut().stack_depth -= 1;295		if let Err(mut err) = result {296			err.trace_mut().0.push(StackTraceElement {297				location: e.cloned(),298				desc: frame_desc(),299			});300			return Err(err);301		}302		result303	}304305	/// Runs passed function in state (required if function needs to modify stack trace)306	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {307		EVAL_STATE.with(|v| {308			let has_state = v.borrow().is_some();309			if !has_state {310				v.borrow_mut().replace(self.clone());311			}312			let result = f();313			if !has_state {314				v.borrow_mut().take();315			}316			result317		})318	}319320	pub fn stringify_err(&self, e: &LocError) -> String {321		let mut out = String::new();322		self.settings()323			.trace_format324			.write_trace(&mut out, self, e)325			.unwrap();326		out327	}328329	pub fn manifest(&self, val: Val) -> Result<IStr> {330		self.run_in_state(|| val.manifest(&self.manifest_format()))331	}332	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {333		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))334	}335	pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {336		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))337	}338339	/// If passed value is function then call with set TLA340	pub fn with_tla(&self, val: Val) -> Result<Val> {341		self.run_in_state(|| {342			Ok(match val {343				Val::Func(func) => push(None, || "during TLA call".to_owned(), || Ok(func.evaluate_map(344					self.create_default_context()?,345					&self.settings().tla_vars,346					true,347				)?))?,348				v => v,349			})350		})351	}352}353354/// Internals355impl EvaluationState {356	fn data(&self) -> Ref<EvaluationData> {357		self.0.data.borrow()358	}359	fn data_mut(&self) -> RefMut<EvaluationData> {360		self.0.data.borrow_mut()361	}362	pub fn settings(&self) -> Ref<EvaluationSettings> {363		self.0.settings.borrow()364	}365	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {366		self.0.settings.borrow_mut()367	}368}369370/// Raw methods evaluate passed values but don't perform TLA execution371impl EvaluationState {372	pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {373		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))374	}375	pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {376		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))377	}378	/// Parses and evaluates the given snippet379	pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: IStr) -> Result<Val> {380		let parsed = parse(381			&code,382			&ParserSettings {383				file_name: source.clone(),384				loc_data: true,385			},386		)387		.unwrap();388		self.add_parsed_file(source, code, parsed.clone())?;389		self.evaluate_expr_raw(parsed)390	}391	/// Evaluates the parsed expression392	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {393		self.run_in_state(|| evaluate(self.create_default_context()?, &code))394	}395}396397/// Settings utilities398impl EvaluationState {399	pub fn add_ext_var(&self, name: IStr, value: Val) {400		self.settings_mut().ext_vars.insert(name, value);401	}402	pub fn add_ext_str(&self, name: IStr, value: IStr) {403		self.add_ext_var(name, Val::Str(value));404	}405	pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {406		let value =407			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;408		self.add_ext_var(name, value);409		Ok(())410	}411412	pub fn add_tla(&self, name: IStr, value: Val) {413		self.settings_mut().tla_vars.insert(name, value);414	}415	pub fn add_tla_str(&self, name: IStr, value: IStr) {416		self.add_tla(name, Val::Str(value));417	}418	pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {419		let value =420			self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;421		self.add_tla(name, value);422		Ok(())423	}424425	pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {426		Ok(self.settings().import_resolver.resolve_file(from, path)?)427	}428	pub fn load_file_contents(&self, path: &PathBuf) -> Result<IStr> {429		Ok(self.settings().import_resolver.load_file_contents(path)?)430	}431432	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {433		Ref::map(self.settings(), |s| &*s.import_resolver)434	}435	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {436		self.settings_mut().import_resolver = resolver;437	}438439	pub fn add_native(&self, name: IStr, cb: Rc<NativeCallback>) {440		self.settings_mut().ext_natives.insert(name, cb);441	}442443	pub fn manifest_format(&self) -> ManifestFormat {444		self.settings().manifest_format.clone()445	}446	pub fn set_manifest_format(&self, format: ManifestFormat) {447		self.settings_mut().manifest_format = format;448	}449450	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {451		Ref::map(self.settings(), |s| &*s.trace_format)452	}453	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {454		self.settings_mut().trace_format = format;455	}456457	pub fn max_trace(&self) -> usize {458		self.settings().max_trace459	}460	pub fn set_max_trace(&self, trace: usize) {461		self.settings_mut().max_trace = trace;462	}463464	pub fn max_stack(&self) -> usize {465		self.settings().max_stack466	}467	pub fn set_max_stack(&self, trace: usize) {468		self.settings_mut().max_stack = trace;469	}470}471472#[cfg(test)]473pub mod tests {474	use super::Val;475	use crate::{error::Error::*, primitive_equals, EvaluationState};476	use jrsonnet_interner::IStr;477	use jrsonnet_parser::*;478	use std::{path::PathBuf, rc::Rc};479480	#[test]481	#[should_panic]482	fn eval_state_stacktrace() {483		let state = EvaluationState::default();484		state.run_in_state(|| {485			state486				.push(487					&ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),488					|| "outer".to_owned(),489					|| {490						state.push(491							&ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),492							|| "inner".to_owned(),493							|| Err(RuntimeError("".into()).into()),494						)?;495						Ok(())496					},497				)498				.unwrap();499		});500	}501502	#[test]503	fn eval_state_standard() {504		let state = EvaluationState::default();505		state.with_stdlib();506		assert!(primitive_equals(507			&state508				.evaluate_snippet_raw(509					Rc::new(PathBuf::from("raw.jsonnet")),510					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()511				)512				.unwrap(),513			&Val::Bool(true),514		)515		.unwrap());516	}517518	macro_rules! eval {519		($str: expr) => {520			EvaluationState::default()521				.with_stdlib()522				.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())523				.unwrap()524		};525	}526	macro_rules! eval_json {527		($str: expr) => {{528			let evaluator = EvaluationState::default();529			evaluator.with_stdlib();530			evaluator.run_in_state(|| {531				evaluator532					.evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())533					.unwrap()534					.to_json(0)535					.unwrap()536					.replace("\n", "")537				})538			}};539	}540541	/// Asserts given code returns `true`542	macro_rules! assert_eval {543		($str: expr) => {544			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())545		};546	}547548	/// Asserts given code returns `false`549	macro_rules! assert_eval_neg {550		($str: expr) => {551			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())552		};553	}554	macro_rules! assert_json {555		($str: expr, $out: expr) => {556			assert_eq!(eval_json!($str), $out.replace("\t", ""))557		};558	}559560	/// Sanity checking, before trusting to another tests561	#[test]562	fn equality_operator() {563		assert_eval!("2 == 2");564		assert_eval_neg!("2 != 2");565		assert_eval!("2 != 3");566		assert_eval_neg!("2 == 3");567		assert_eval!("'Hello' == 'Hello'");568		assert_eval_neg!("'Hello' != 'Hello'");569		assert_eval!("'Hello' != 'World'");570		assert_eval_neg!("'Hello' == 'World'");571	}572573	#[test]574	fn math_evaluation() {575		assert_eval!("2 + 2 * 2 == 6");576		assert_eval!("3 + (2 + 2 * 2) == 9");577	}578579	#[test]580	fn string_concat() {581		assert_eval!("'Hello' + 'World' == 'HelloWorld'");582		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");583		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");584	}585586	#[test]587	fn faster_join() {588		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");589		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");590	}591592	#[test]593	fn function_contexts() {594		assert_eval!(595			r#"596				local k = {597					t(name = self.h): [self.h, name],598					h: 3,599				};600				local f = {601					t: k.t(),602					h: 4,603				};604				f.t[0] == f.t[1]605			"#606		);607	}608609	#[test]610	fn local() {611		assert_eval!("local a = 2; local b = 3; a + b == 5");612		assert_eval!("local a = 1, b = a + 1; a + b == 3");613		assert_eval!("local a = 1; local a = 2; a == 2");614	}615616	#[test]617	fn object_lazyness() {618		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);619	}620621	#[test]622	fn object_inheritance() {623		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);624	}625626	#[test]627	fn object_assertion_success() {628		eval!("{assert \"a\" in self} + {a:2}");629	}630631	#[test]632	fn object_assertion_error() {633		eval!("{assert \"a\" in self}");634	}635636	#[test]637	fn lazy_args() {638		eval!("local test(a) = 2; test(error '3')");639	}640641	#[test]642	#[should_panic]643	fn tailstrict_args() {644		eval!("local test(a) = 2; test(error '3') tailstrict");645	}646647	#[test]648	#[should_panic]649	fn no_binding_error() {650		eval!("a");651	}652653	#[test]654	fn test_object() {655		assert_json!("{a:2}", r#"{"a": 2}"#);656		assert_json!("{a:2+2}", r#"{"a": 4}"#);657		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);658		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);659		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);660		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);661		assert_json!(662			r#"663				{664					name: "Alice",665					welcome: "Hello " + self.name + "!",666				}667			"#,668			r#"{"name": "Alice","welcome": "Hello Alice!"}"#669		);670		assert_json!(671			r#"672				{673					name: "Alice",674					welcome: "Hello " + self.name + "!",675				} + {676					name: "Bob"677				}678			"#,679			r#"{"name": "Bob","welcome": "Hello Bob!"}"#680		);681	}682683	#[test]684	fn functions() {685		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");686		assert_json!(687			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,688			r#""HelloDearWorld""#689		);690	}691692	#[test]693	fn local_methods() {694		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");695		assert_json!(696			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,697			r#""HelloDearWorld""#698		);699	}700701	#[test]702	fn object_locals() {703		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);704		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);705		assert_json!(706			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,707			r#"{"test": {"test": 4}}"#708		);709	}710711	#[test]712	fn object_comp() {713		assert_json!(714			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}"#,715			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"716		)717	}718719	#[test]720	fn direct_self() {721		println!(722			"{:#?}",723			eval!(724				r#"725					{726						local me = self,727						a: 3,728						b(): me.a,729					}730				"#731			)732		);733	}734735	#[test]736	fn indirect_self() {737		// `self` assigned to `me` was lost when being738		// referenced from field739		eval!(740			r#"{741				local me = self,742				a: 3,743				b: me.a,744			}.b"#745		);746	}747748	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly749	#[test]750	fn std_assert_ok() {751		eval!("std.assertEqual(4.5 << 2, 16)");752	}753754	#[test]755	#[should_panic]756	fn std_assert_failure() {757		eval!("std.assertEqual(4.5 << 2, 15)");758	}759760	#[test]761	fn string_is_string() {762		assert!(primitive_equals(763			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),764			&Val::Bool(false),765		)766		.unwrap());767	}768769	#[test]770	fn base64_works() {771		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);772	}773774	#[test]775	fn utf8_chars() {776		assert_json!(777			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,778			r#"{"c": 128526,"l": 1}"#779		)780	}781782	#[test]783	fn json() {784		assert_json!(785			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,786			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#787		);788	}789790	#[test]791	fn test() {792		assert_json!(793			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,794			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"795		);796	}797798	#[test]799	fn sjsonnet() {800		eval!(801			r#"802			local x0 = {k: 1};803			local x1 = {k: x0.k + x0.k};804			local x2 = {k: x1.k + x1.k};805			local x3 = {k: x2.k + x2.k};806			local x4 = {k: x3.k + x3.k};807			local x5 = {k: x4.k + x4.k};808			local x6 = {k: x5.k + x5.k};809			local x7 = {k: x6.k + x6.k};810			local x8 = {k: x7.k + x7.k};811			local x9 = {k: x8.k + x8.k};812			local x10 = {k: x9.k + x9.k};813			local x11 = {k: x10.k + x10.k};814			local x12 = {k: x11.k + x11.k};815			local x13 = {k: x12.k + x12.k};816			local x14 = {k: x13.k + x13.k};817			local x15 = {k: x14.k + x14.k};818			local x16 = {k: x15.k + x15.k};819			local x17 = {k: x16.k + x16.k};820			local x18 = {k: x17.k + x17.k};821			local x19 = {k: x18.k + x18.k};822			local x20 = {k: x19.k + x19.k};823			local x21 = {k: x20.k + x20.k};824			x21.k825		"#826		);827	}828829	// This test is commented out by default, because of huge compilation slowdown830	// #[bench]831	// fn bench_codegen(b: &mut Bencher) {832	// 	b.iter(|| {833	// 		#[allow(clippy::all)]834	// 		let stdlib = {835	// 			use jrsonnet_parser::*;836	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))837	// 		};838	// 		stdlib839	// 	})840	// }841842	/*843	#[bench]844	fn bench_serialize(b: &mut Bencher) {845		b.iter(|| {846			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(847				env!("OUT_DIR"),848				"/stdlib.bincode"849			)))850			.expect("deserialize stdlib")851		})852	}853854	#[bench]855	fn bench_parse(b: &mut Bencher) {856		b.iter(|| {857			jrsonnet_parser::parse(858				jrsonnet_stdlib::STDLIB_STR,859				&jrsonnet_parser::ParserSettings {860					loc_data: true,861					file_name: Rc::new(PathBuf::from("std.jsonnet")),862				},863			)864		})865	}866	*/867868	#[test]869	fn equality() {870		println!(871			"{:?}",872			jrsonnet_parser::parse(873				"{ x: 1, y: 2 } == { x: 1, y: 2 }",874				&ParserSettings::default()875			)876		);877		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")878	}879880	#[test]881	fn native_ext() -> crate::error::Result<()> {882		use super::native::NativeCallback;883		let evaluator = EvaluationState::default();884885		evaluator.with_stdlib();886		evaluator.settings_mut().ext_natives.insert(887			"native_add".into(),888			Rc::new(NativeCallback::new(889				ParamsDesc(Rc::new(vec![890					Param("a".into(), None),891					Param("b".into(), None),892				])),893				|caller, args| {894					assert_eq!(895						caller.unwrap(),896						Rc::new(PathBuf::from("native_caller.jsonnet"))897					);898					match (&args[0], &args[1]) {899						(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),900						(_, _) => unreachable!(),901					}902				},903			)),904		);905		evaluator.evaluate_snippet_raw(906			Rc::new(PathBuf::from("native_caller.jsonnet")),907			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),908		)?;909		Ok(())910	}911912	#[test]913	fn constant_intrinsic() -> crate::error::Result<()> {914		assert_eval!(915			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"916		);917		Ok(())918	}919920	struct TestImportResolver(IStr);921	impl crate::import::ImportResolver for TestImportResolver {922		fn resolve_file(&self, _: &PathBuf, _: &PathBuf) -> crate::error::Result<Rc<PathBuf>> {923			Ok(Rc::new(PathBuf::from("/test")))924		}925926		fn load_file_contents(&self, _: &PathBuf) -> crate::error::Result<IStr> {927			Ok(self.0.clone())928		}929930		unsafe fn as_any(&self) -> &dyn std::any::Any {931			panic!()932		}933	}934935	#[test]936	fn issue_23() {937		let state = EvaluationState::default();938		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));939		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));940	}941}