git.delta.rocks / jrsonnet / refs/commits / 09a4bd7b68d6

1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![warn(clippy::all, clippy::nursery)]3#![allow(4	macro_expanded_macro_exports_accessed_by_absolute_paths,5	clippy::ptr_arg6)]78mod builtin;9mod ctx;10mod dynamic;11pub mod error;12mod evaluate;13mod function;14mod import;15mod integrations;16mod map;17pub mod native;18mod obj;19pub mod trace;20pub mod typed;21mod val;2223pub use ctx::*;24pub use dynamic::*;25use error::{Error::*, LocError, Result, StackTraceElement};26pub use evaluate::*;27pub use function::parse_function_call;28pub use import::*;29use jrsonnet_gc::{Finalize, Gc, Trace};30pub use jrsonnet_interner::IStr;31use jrsonnet_parser::*;32use native::NativeCallback;33pub use obj::*;34use rustc_hash::FxHashMap;35use std::{36	cell::{Ref, RefCell, RefMut},37	collections::HashMap,38	fmt::Debug,39	hash::BuildHasherDefault,40	path::{Path, PathBuf},41	rc::Rc,42};43use trace::{location_to_offset, offset_to_location, CodeLocation, CompactFormat, TraceFormat};44pub use val::*;4546pub trait Bindable: Trace {47	fn bind(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal>;48}49#[derive(Trace, Finalize, Clone)]50pub enum LazyBinding {51	Bindable(Gc<Box<dyn Bindable>>),52	Bound(LazyVal),53}5455impl Debug for LazyBinding {56	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {57		write!(f, "LazyBinding")58	}59}60impl LazyBinding {61	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {62		match self {63			Self::Bindable(v) => v.bind(this, super_obj),64			Self::Bound(v) => Ok(v.clone()),65		}66	}67}6869pub struct EvaluationSettings {70	/// Limits recursion by limiting the number of stack frames71	pub max_stack: usize,72	/// Limits amount of stack trace items preserved73	pub max_trace: usize,74	/// Used for s`td.extVar`75	pub ext_vars: HashMap<IStr, Val>,76	/// Used for ext.native77	pub ext_natives: HashMap<IStr, Gc<NativeCallback>>,78	/// TLA vars79	pub tla_vars: HashMap<IStr, Val>,80	/// Global variables are inserted in default context81	pub globals: HashMap<IStr, Val>,82	/// Used to resolve file locations/contents83	pub import_resolver: Box<dyn ImportResolver>,84	/// Used in manifestification functions85	pub manifest_format: ManifestFormat,86	/// Used for bindings87	pub trace_format: Box<dyn TraceFormat>,88}89impl Default for EvaluationSettings {90	fn default() -> Self {91		Self {92			max_stack: 200,93			max_trace: 20,94			globals: Default::default(),95			ext_vars: Default::default(),96			ext_natives: Default::default(),97			tla_vars: Default::default(),98			import_resolver: Box::new(DummyImportResolver),99			manifest_format: ManifestFormat::Json(4),100			trace_format: Box::new(CompactFormat {101				padding: 4,102				resolver: trace::PathResolver::Absolute,103			}),104		}105	}106}107108#[derive(Default)]109struct EvaluationData {110	/// Used for stack overflow detection, stacktrace is populated on unwind111	stack_depth: usize,112	/// Updated every time stack entry is popt113	stack_generation: usize,114115	breakpoints: Breakpoints,116	/// Contains file source codes and evaluation results for imports and pretty-printed stacktraces117	files: HashMap<Rc<Path>, FileData>,118	str_files: HashMap<Rc<Path>, IStr>,119}120121pub struct FileData {122	source_code: IStr,123	parsed: LocExpr,124	evaluated: Option<Val>,125}126127pub struct Breakpoint {128	loc: ExprLocation,129	collected: RefCell<HashMap<usize, (usize, Vec<Result<Val>>)>>,130}131#[derive(Default)]132struct Breakpoints(Vec<Rc<Breakpoint>>);133impl Breakpoints {134	fn insert(135		&self,136		stack_depth: usize,137		stack_generation: usize,138		loc: &ExprLocation,139		result: Result<Val>,140	) -> Result<Val> {141		if self.0.is_empty() {142			return result;143		}144		for item in self.0.iter() {145			if item.loc.belongs_to(loc) {146				let mut collected = item.collected.borrow_mut();147				let (depth, vals) = collected.entry(stack_generation).or_default();148				if stack_depth > *depth {149					vals.clear();150				}151				vals.push(result.clone());152			}153		}154		result155	}156}157158#[derive(Default)]159pub struct EvaluationStateInternals {160	/// Internal state161	data: RefCell<EvaluationData>,162	/// Settings, safe to change at runtime163	settings: RefCell<EvaluationSettings>,164}165166thread_local! {167	/// Contains the state for a currently executed file.168	/// Global state is fine here.169	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)170}171pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {172	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))173}174pub(crate) fn push_frame<T>(175	e: Option<&ExprLocation>,176	frame_desc: impl FnOnce() -> String,177	f: impl FnOnce() -> Result<T>,178) -> Result<T> {179	with_state(|s| s.push(e, frame_desc, f))180}181182pub(crate) fn push_val_frame(183	e: Option<&ExprLocation>,184	frame_desc: impl FnOnce() -> String,185	f: impl FnOnce() -> Result<Val>,186) -> Result<Val> {187	with_state(|s| s.push(e, frame_desc, f))188}189190/// Maintains stack trace and import resolution191#[derive(Default, Clone)]192pub struct EvaluationState(Rc<EvaluationStateInternals>);193194impl EvaluationState {195	/// Parses and adds file as loaded196	pub fn add_file(&self, path: Rc<Path>, source_code: IStr) -> Result<()> {197		self.add_parsed_file(198			path.clone(),199			source_code.clone(),200			parse(201				&source_code,202				&ParserSettings {203					file_name: path.clone(),204					loc_data: true,205				},206			)207			.map_err(|error| ImportSyntaxError {208				error: Box::new(error),209				path: path.to_owned(),210				source_code,211			})?,212		)?;213214		Ok(())215	}216217	pub fn reset_evaluation_state(&self, name: &Path) {218		self.data_mut()219			.files220			.get_mut(name)221			.unwrap()222			.evaluated223			.take();224	}225226	/// Adds file by source code and parsed expr227	pub fn add_parsed_file(228		&self,229		name: Rc<Path>,230		source_code: IStr,231		parsed: LocExpr,232	) -> Result<()> {233		self.data_mut().files.insert(234			name,235			FileData {236				source_code,237				parsed,238				evaluated: None,239			},240		);241242		Ok(())243	}244	pub fn get_source(&self, name: &Path) -> Option<IStr> {245		let ro_map = &self.data().files;246		ro_map.get(name).map(|value| value.source_code.clone())247	}248	pub fn map_source_locations(&self, file: &Path, locs: &[usize]) -> Vec<CodeLocation> {249		offset_to_location(&self.get_source(file).unwrap(), locs)250	}251	pub fn map_from_source_location(252		&self,253		file: &Path,254		line: usize,255		column: usize,256	) -> Option<usize> {257		location_to_offset(&self.get_source(file).unwrap(), line, column)258	}259	pub fn import_file(&self, from: &Path, path: &Path) -> Result<Val> {260		let file_path = self.resolve_file(from, path)?;261		{262			let data = self.data();263			let files = &data.files;264			if files.contains_key(&file_path as &Path) {265				drop(data);266				return self.evaluate_loaded_file_raw(&file_path);267			}268		}269		let contents = self.load_file_contents(&file_path)?;270		self.add_file(file_path.clone(), contents)?;271		self.evaluate_loaded_file_raw(&file_path)272	}273	pub(crate) fn import_file_str(&self, from: &Path, path: &Path) -> Result<IStr> {274		let path = self.resolve_file(from, path)?;275		if !self.data().str_files.contains_key(&path) {276			let file_str = self.load_file_contents(&path)?;277			self.data_mut().str_files.insert(path.clone(), file_str);278		}279		Ok(self.data().str_files.get(&path).cloned().unwrap())280	}281282	fn evaluate_loaded_file_raw(&self, name: &Path) -> Result<Val> {283		let expr: LocExpr = {284			let ro_map = &self.data().files;285			let value = ro_map286				.get(name)287				.unwrap_or_else(|| panic!("file not added: {:?}", name));288			if let Some(ref evaluated) = value.evaluated {289				return Ok(evaluated.clone());290			}291			value.parsed.clone()292		};293		let value = evaluate(self.create_default_context(), &expr)?;294		{295			self.data_mut()296				.files297				.get_mut(name)298				.unwrap()299				.evaluated300				.replace(value.clone());301		}302		Ok(value)303	}304305	/// Adds standard library global variable (std) to this evaluator306	pub fn with_stdlib(&self) -> &Self {307		use jrsonnet_stdlib::STDLIB_STR;308		let std_path: Rc<Path> = PathBuf::from("std.jsonnet").into();309		self.run_in_state(|| {310			self.add_parsed_file(311				std_path.clone(),312				STDLIB_STR.to_owned().into(),313				builtin::get_parsed_stdlib(),314			)315			.unwrap();316			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();317			self.settings_mut().globals.insert("std".into(), val);318		});319		self320	}321322	/// Creates context with all passed global variables323	pub fn create_default_context(&self) -> Context {324		let globals = &self.settings().globals;325		let mut new_bindings: FxHashMap<IStr, LazyVal> =326			FxHashMap::with_capacity_and_hasher(globals.len(), BuildHasherDefault::default());327		for (name, value) in globals.iter() {328			new_bindings.insert(name.clone(), LazyVal::new_resolved(value.clone()));329		}330		Context::new().extend_bound(new_bindings)331	}332333	/// Executes code creating a new stack frame334	pub fn push<T>(335		&self,336		e: Option<&ExprLocation>,337		frame_desc: impl FnOnce() -> String,338		f: impl FnOnce() -> Result<T>,339	) -> Result<T> {340		{341			let mut data = self.data_mut();342			let stack_depth = &mut data.stack_depth;343			if *stack_depth > self.max_stack() {344				// Error creation uses data, so i drop guard here345				drop(data);346				throw!(StackOverflow);347			} else {348				*stack_depth += 1;349			}350		}351		let result = f();352		{353			let mut data = self.data_mut();354			data.stack_depth -= 1;355			data.stack_generation += 1;356			// if let Some(e) = e {357			// 	result =358			// 		data.breakpoints359			// 			.insert(data.stack_depth, data.stack_generation, &e, result)360			// }361		}362		if let Err(mut err) = result {363			err.trace_mut().0.push(StackTraceElement {364				location: e.cloned(),365				desc: frame_desc(),366			});367			return Err(err);368		}369		result370	}371	/// Executes code creating a new stack frame372	pub fn push_val(373		&self,374		e: Option<&ExprLocation>,375		frame_desc: impl FnOnce() -> String,376		f: impl FnOnce() -> Result<Val>,377	) -> Result<Val> {378		{379			let mut data = self.data_mut();380			let stack_depth = &mut data.stack_depth;381			if *stack_depth > self.max_stack() {382				// Error creation uses data, so i drop guard here383				drop(data);384				throw!(StackOverflow);385			} else {386				*stack_depth += 1;387			}388		}389		let mut result = f();390		{391			let mut data = self.data_mut();392			data.stack_depth -= 1;393			data.stack_generation += 1;394			if let Some(e) = e {395				result =396					data.breakpoints397						.insert(data.stack_depth, data.stack_generation, &e, result)398			}399		}400		if let Err(mut err) = result {401			err.trace_mut().0.push(StackTraceElement {402				location: e.cloned(),403				desc: frame_desc(),404			});405			return Err(err);406		}407		result408	}409410	/// Runs passed function in state (required if function needs to modify stack trace)411	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {412		EVAL_STATE.with(|v| {413			let has_state = v.borrow().is_some();414			if !has_state {415				v.borrow_mut().replace(self.clone());416			}417			let result = f();418			if !has_state {419				v.borrow_mut().take();420			}421			result422		})423	}424	pub fn run_in_state_with_breakpoint(425		&self,426		bp: Rc<Breakpoint>,427		f: impl FnOnce() -> Result<()>,428	) -> Result<()> {429		{430			let mut data = self.data_mut();431			data.breakpoints.0.push(bp);432		}433434		let result = self.run_in_state(f);435436		{437			let mut data = self.data_mut();438			data.breakpoints.0.pop();439		}440441		result442	}443444	pub fn stringify_err(&self, e: &LocError) -> String {445		let mut out = String::new();446		self.settings()447			.trace_format448			.write_trace(&mut out, self, e)449			.unwrap();450		out451	}452453	pub fn manifest(&self, val: Val) -> Result<IStr> {454		self.run_in_state(|| val.manifest(&self.manifest_format()))455	}456	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {457		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))458	}459	pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {460		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))461	}462463	/// If passed value is function then call with set TLA464	pub fn with_tla(&self, val: Val) -> Result<Val> {465		self.run_in_state(|| {466			Ok(match val {467				Val::Func(func) => push_frame(468					None,469					|| "during TLA call".to_owned(),470					|| {471						func.evaluate_map(472							self.create_default_context(),473							&self.settings().tla_vars,474							true,475						)476					},477				)?,478				v => v,479			})480		})481	}482}483484/// Internals485impl EvaluationState {486	fn data(&self) -> Ref<EvaluationData> {487		self.0.data.borrow()488	}489	fn data_mut(&self) -> RefMut<EvaluationData> {490		self.0.data.borrow_mut()491	}492	pub fn settings(&self) -> Ref<EvaluationSettings> {493		self.0.settings.borrow()494	}495	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {496		self.0.settings.borrow_mut()497	}498}499500/// Raw methods evaluate passed values but don't perform TLA execution501impl EvaluationState {502	pub fn evaluate_file_raw(&self, name: &Path) -> Result<Val> {503		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))504	}505	pub fn evaluate_file_raw_nocwd(&self, name: &Path) -> Result<Val> {506		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))507	}508	/// Parses and evaluates the given snippet509	pub fn evaluate_snippet_raw(&self, source: Rc<Path>, code: IStr) -> Result<Val> {510		let parsed = parse(511			&code,512			&ParserSettings {513				file_name: source.clone(),514				loc_data: true,515			},516		)517		.map_err(|e| ImportSyntaxError {518			path: source.clone(),519			source_code: code.clone(),520			error: Box::new(e),521		})?;522		self.add_parsed_file(source, code, parsed.clone())?;523		self.evaluate_expr_raw(parsed)524	}525	/// Evaluates the parsed expression526	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {527		self.run_in_state(|| evaluate(self.create_default_context(), &code))528	}529}530531/// Settings utilities532impl EvaluationState {533	pub fn add_ext_var(&self, name: IStr, value: Val) {534		self.settings_mut().ext_vars.insert(name, value);535	}536	pub fn add_ext_str(&self, name: IStr, value: IStr) {537		self.add_ext_var(name, Val::Str(value));538	}539	pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {540		let value =541			self.evaluate_snippet_raw(PathBuf::from(format!("ext_code {}", name)).into(), code)?;542		self.add_ext_var(name, value);543		Ok(())544	}545546	pub fn add_tla(&self, name: IStr, value: Val) {547		self.settings_mut().tla_vars.insert(name, value);548	}549	pub fn add_tla_str(&self, name: IStr, value: IStr) {550		self.add_tla(name, Val::Str(value));551	}552	pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {553		let value =554			self.evaluate_snippet_raw(PathBuf::from(format!("tla_code {}", name)).into(), code)?;555		self.add_tla(name, value);556		Ok(())557	}558559	pub fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {560		self.settings().import_resolver.resolve_file(from, path)561	}562	pub fn load_file_contents(&self, path: &Path) -> Result<IStr> {563		self.settings().import_resolver.load_file_contents(path)564	}565566	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {567		Ref::map(self.settings(), |s| &*s.import_resolver)568	}569	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {570		self.settings_mut().import_resolver = resolver;571	}572573	pub fn add_native(&self, name: IStr, cb: Gc<NativeCallback>) {574		self.settings_mut().ext_natives.insert(name, cb);575	}576577	pub fn manifest_format(&self) -> ManifestFormat {578		self.settings().manifest_format.clone()579	}580	pub fn set_manifest_format(&self, format: ManifestFormat) {581		self.settings_mut().manifest_format = format;582	}583584	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {585		Ref::map(self.settings(), |s| &*s.trace_format)586	}587	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {588		self.settings_mut().trace_format = format;589	}590591	pub fn max_trace(&self) -> usize {592		self.settings().max_trace593	}594	pub fn set_max_trace(&self, trace: usize) {595		self.settings_mut().max_trace = trace;596	}597598	pub fn max_stack(&self) -> usize {599		self.settings().max_stack600	}601	pub fn set_max_stack(&self, trace: usize) {602		self.settings_mut().max_stack = trace;603	}604}605606#[cfg(test)]607pub mod tests {608	use super::Val;609	use crate::{610		error::Error::*, native::NativeCallbackHandler, primitive_equals, EvaluationState,611	};612	use jrsonnet_gc::{Finalize, Gc, Trace};613	use jrsonnet_interner::IStr;614	use jrsonnet_parser::*;615	use std::{616		path::{Path, PathBuf},617		rc::Rc,618	};619620	#[test]621	#[should_panic]622	fn eval_state_stacktrace() {623		let state = EvaluationState::default();624		state.run_in_state(|| {625			state626				.push(627					Some(&ExprLocation(PathBuf::from("test1.jsonnet").into(), 10, 20)),628					|| "outer".to_owned(),629					|| {630						state.push(631							Some(&ExprLocation(PathBuf::from("test2.jsonnet").into(), 30, 40)),632							|| "inner".to_owned(),633							|| Err(RuntimeError("".into()).into()),634						)?;635						Ok(Val::Null)636					},637				)638				.unwrap();639		});640	}641642	#[test]643	fn eval_state_standard() {644		let state = EvaluationState::default();645		state.with_stdlib();646		assert!(primitive_equals(647			&state648				.evaluate_snippet_raw(649					PathBuf::from("raw.jsonnet").into(),650					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()651				)652				.unwrap(),653			&Val::Bool(true),654		)655		.unwrap());656	}657658	macro_rules! eval {659		($str: expr) => {660			EvaluationState::default()661				.with_stdlib()662				.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())663				.unwrap()664		};665	}666	macro_rules! eval_json {667		($str: expr) => {{668			let evaluator = EvaluationState::default();669			evaluator.with_stdlib();670			evaluator.run_in_state(|| {671				evaluator672					.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())673					.unwrap()674					.to_json(0)675					.unwrap()676					.replace("\n", "")677			})678		}};679	}680681	/// Asserts given code returns `true`682	macro_rules! assert_eval {683		($str: expr) => {684			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())685		};686	}687688	/// Asserts given code returns `false`689	macro_rules! assert_eval_neg {690		($str: expr) => {691			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())692		};693	}694	macro_rules! assert_json {695		($str: expr, $out: expr) => {696			assert_eq!(eval_json!($str), $out.replace("\t", ""))697		};698	}699700	/// Sanity checking, before trusting to another tests701	#[test]702	fn equality_operator() {703		assert_eval!("2 == 2");704		assert_eval_neg!("2 != 2");705		assert_eval!("2 != 3");706		assert_eval_neg!("2 == 3");707		assert_eval!("'Hello' == 'Hello'");708		assert_eval_neg!("'Hello' != 'Hello'");709		assert_eval!("'Hello' != 'World'");710		assert_eval_neg!("'Hello' == 'World'");711	}712713	#[test]714	fn math_evaluation() {715		assert_eval!("2 + 2 * 2 == 6");716		assert_eval!("3 + (2 + 2 * 2) == 9");717	}718719	#[test]720	fn string_concat() {721		assert_eval!("'Hello' + 'World' == 'HelloWorld'");722		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");723		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");724	}725726	#[test]727	fn faster_join() {728		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");729		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");730	}731732	#[test]733	fn function_contexts() {734		assert_eval!(735			r#"736				local k = {737					t(name = self.h): [self.h, name],738					h: 3,739				};740				local f = {741					t: k.t(),742					h: 4,743				};744				f.t[0] == f.t[1]745			"#746		);747	}748749	#[test]750	fn local() {751		assert_eval!("local a = 2; local b = 3; a + b == 5");752		assert_eval!("local a = 1, b = a + 1; a + b == 3");753		assert_eval!("local a = 1; local a = 2; a == 2");754	}755756	#[test]757	fn object_lazyness() {758		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);759	}760761	#[test]762	fn object_inheritance() {763		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);764	}765766	#[test]767	fn object_assertion_success() {768		eval!("{assert \"a\" in self} + {a:2}");769	}770771	#[test]772	fn object_assertion_error() {773		eval!("{assert \"a\" in self}");774	}775776	#[test]777	fn lazy_args() {778		eval!("local test(a) = 2; test(error '3')");779	}780781	#[test]782	#[should_panic]783	fn tailstrict_args() {784		eval!("local test(a) = 2; test(error '3') tailstrict");785	}786787	#[test]788	#[should_panic]789	fn no_binding_error() {790		eval!("a");791	}792793	#[test]794	fn test_object() {795		assert_json!("{a:2}", r#"{"a": 2}"#);796		assert_json!("{a:2+2}", r#"{"a": 4}"#);797		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);798		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);799		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);800		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);801		assert_json!(802			r#"803				{804					name: "Alice",805					welcome: "Hello " + self.name + "!",806				}807			"#,808			r#"{"name": "Alice","welcome": "Hello Alice!"}"#809		);810		assert_json!(811			r#"812				{813					name: "Alice",814					welcome: "Hello " + self.name + "!",815				} + {816					name: "Bob"817				}818			"#,819			r#"{"name": "Bob","welcome": "Hello Bob!"}"#820		);821	}822823	#[test]824	fn functions() {825		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");826		assert_json!(827			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,828			r#""HelloDearWorld""#829		);830	}831832	#[test]833	fn local_methods() {834		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");835		assert_json!(836			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,837			r#""HelloDearWorld""#838		);839	}840841	#[test]842	fn object_locals() {843		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);844		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);845		assert_json!(846			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,847			r#"{"test": {"test": 4}}"#848		);849	}850851	#[test]852	fn object_comp() {853		assert_json!(854			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}"#,855			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"856		)857	}858859	#[test]860	fn direct_self() {861		println!(862			"{:#?}",863			eval!(864				r#"865					{866						local me = self,867						a: 3,868						b(): me.a,869					}870				"#871			)872		);873	}874875	#[test]876	fn indirect_self() {877		// `self` assigned to `me` was lost when being878		// referenced from field879		eval!(880			r#"{881				local me = self,882				a: 3,883				b: me.a,884			}.b"#885		);886	}887888	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly889	#[test]890	fn std_assert_ok() {891		eval!("std.assertEqual(4.5 << 2, 16)");892	}893894	#[test]895	#[should_panic]896	fn std_assert_failure() {897		eval!("std.assertEqual(4.5 << 2, 15)");898	}899900	#[test]901	fn string_is_string() {902		assert!(primitive_equals(903			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),904			&Val::Bool(false),905		)906		.unwrap());907	}908909	#[test]910	fn base64_works() {911		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);912	}913914	#[test]915	fn utf8_chars() {916		assert_json!(917			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,918			r#"{"c": 128526,"l": 1}"#919		)920	}921922	#[test]923	fn json() {924		assert_json!(925			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,926			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#927		);928	}929930	#[test]931	fn parse_json() {932		assert_json!(933			r#"std.parseJson('{"a": -1,"b": 1,"c": 3.141,"d": []}')"#,934			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#935		);936		// TODO: this should in fact fail as is no proper JSON syntax937		assert_json!(938			r#"std.parseJson("{a:-1, b:1, c:3.141, d:[]}")"#,939			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#940		);941		// TODO: this is also no valid JSON942		assert_json!(r#"std.parseJson('local x = 2; x * x')"#, r#"4"#);943	}944945	#[test]946	fn test() {947		assert_json!(948			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,949			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"950		);951	}952953	#[test]954	fn sjsonnet() {955		eval!(956			r#"957			local x0 = {k: 1};958			local x1 = {k: x0.k + x0.k};959			local x2 = {k: x1.k + x1.k};960			local x3 = {k: x2.k + x2.k};961			local x4 = {k: x3.k + x3.k};962			local x5 = {k: x4.k + x4.k};963			local x6 = {k: x5.k + x5.k};964			local x7 = {k: x6.k + x6.k};965			local x8 = {k: x7.k + x7.k};966			local x9 = {k: x8.k + x8.k};967			local x10 = {k: x9.k + x9.k};968			local x11 = {k: x10.k + x10.k};969			local x12 = {k: x11.k + x11.k};970			local x13 = {k: x12.k + x12.k};971			local x14 = {k: x13.k + x13.k};972			local x15 = {k: x14.k + x14.k};973			local x16 = {k: x15.k + x15.k};974			local x17 = {k: x16.k + x16.k};975			local x18 = {k: x17.k + x17.k};976			local x19 = {k: x18.k + x18.k};977			local x20 = {k: x19.k + x19.k};978			local x21 = {k: x20.k + x20.k};979			x21.k980		"#981		);982	}983984	// This test is commented out by default, because of huge compilation slowdown985	// #[bench]986	// fn bench_codegen(b: &mut Bencher) {987	// 	b.iter(|| {988	// 		#[allow(clippy::all)]989	// 		let stdlib = {990	// 			use jrsonnet_parser::*;991	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))992	// 		};993	// 		stdlib994	// 	})995	// }996997	/*998	#[bench]999	fn bench_serialize(b: &mut Bencher) {1000		b.iter(|| {1001			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(1002				env!("OUT_DIR"),1003				"/stdlib.bincode"1004			)))1005			.expect("deserialize stdlib")1006		})1007	}10081009	#[bench]1010	fn bench_parse(b: &mut Bencher) {1011		b.iter(|| {1012			jrsonnet_parser::parse(1013				jrsonnet_stdlib::STDLIB_STR,1014				&jrsonnet_parser::ParserSettings {1015					loc_data: true,1016					file_name: Rc::new(PathBuf::from("std.jsonnet")),1017				},1018			)1019		})1020	}1021	*/10221023	#[test]1024	fn equality() {1025		println!(1026			"{:?}",1027			jrsonnet_parser::parse(1028				"{ x: 1, y: 2 } == { x: 1, y: 2 }",1029				&ParserSettings {1030					file_name: PathBuf::from("equality").into(),1031					loc_data: true,1032				}1033			)1034		);1035		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")1036	}10371038	#[test]1039	fn native_ext() -> crate::error::Result<()> {1040		use super::native::NativeCallback;1041		let evaluator = EvaluationState::default();10421043		evaluator.with_stdlib();10441045		#[derive(Trace, Finalize)]1046		struct NativeAdd;1047		impl NativeCallbackHandler for NativeAdd {1048			fn call(&self, from: Option<Rc<Path>>, args: &[Val]) -> crate::error::Result<Val> {1049				assert_eq!(1050					&from.unwrap() as &Path,1051					&PathBuf::from("native_caller.jsonnet")1052				);1053				match (&args[0], &args[1]) {1054					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),1055					(_, _) => unreachable!(),1056				}1057			}1058		}1059		evaluator.settings_mut().ext_natives.insert(1060			"native_add".into(),1061			Gc::new(NativeCallback::new(1062				ParamsDesc(Rc::new(vec![1063					Param("a".into(), None),1064					Param("b".into(), None),1065				])),1066				Box::new(NativeAdd),1067			)),1068		);1069		evaluator.evaluate_snippet_raw(1070			PathBuf::from("native_caller.jsonnet").into(),1071			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),1072		)?;1073		Ok(())1074	}10751076	#[test]1077	fn constant_intrinsic() -> crate::error::Result<()> {1078		assert_eval!(1079			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"1080		);1081		Ok(())1082	}10831084	#[test]1085	fn standalone_super() -> crate::error::Result<()> {1086		assert_eval!(1087			r#"1088			local obj = {1089				a: 1,1090				b: 2,1091				c: 3,1092			};1093			local test = obj + {1094				fields: std.objectFields(super),1095				d: 5,1096			};1097			test.fields == ['a', 'b', 'c']1098		"#1099		);1100		Ok(())1101	}11021103	#[test]1104	fn comp_self() -> crate::error::Result<()> {1105		assert_eval!(1106			r#"1107			std.objectFields({1108				a:{1109					[name]: name for name in std.objectFields(self)1110				},1111				b: 2,1112				c: 3,1113			}.a) == ['a', 'b', 'c']1114			"#1115		);11161117		Ok(())1118	}11191120	struct TestImportResolver(IStr);1121	impl crate::import::ImportResolver for TestImportResolver {1122		fn resolve_file(&self, _: &Path, _: &Path) -> crate::error::Result<Rc<Path>> {1123			Ok(PathBuf::from("/test").into())1124		}11251126		fn load_file_contents(&self, _: &Path) -> crate::error::Result<IStr> {1127			Ok(self.0.clone())1128		}11291130		unsafe fn as_any(&self) -> &dyn std::any::Any {1131			panic!()1132		}1133	}11341135	#[test]1136	fn issue_23() {1137		let state = EvaluationState::default();1138		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));1139		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));1140	}11411142	#[test]1143	fn issue_40() {1144		let state = EvaluationState::default();1145		state.with_stdlib();11461147		let error = state1148			.evaluate_snippet_raw(1149				PathBuf::from("issue40.jsonnet").into(),1150				r#"1151				local conf = {1152					n: ""1153				};11541155				local result = conf + {1156					assert std.isNumber(self.n): "is number"1157				};11581159				std.manifestJsonEx(result, "")1160			"#1161				.into(),1162			)1163			.unwrap_err();1164		assert_eq!(error.error().to_string(), "assert failed: is number");1165	}11661167	#[test]1168	fn test_ascii_upper_lower() {1169		assert_eval!(r#"std.assertEqual(std.asciiUpper("aBc😀"), "ABC😀")"#);1170		assert_eval!(r#"std.assertEqual(std.asciiLower("aBc😀"), "abc😀")"#);1171	}11721173	#[test]1174	fn test_member() {1175		assert_eval!(r#"!std.member("", "")"#);1176		assert_eval!(r#"std.member("abc", "a")"#);1177		assert_eval!(r#"!std.member("abc", "d")"#);1178		assert_eval!(r#"!std.member([], "")"#);1179		assert_eval!(r#"std.member(["a", "b", "c"], "a")"#);1180		assert_eval!(r#"!std.member(["a", "b", "c"], "d")"#);1181	}11821183	#[test]1184	fn test_count() {1185		assert_eval!(r#"std.assertEqual(std.count([], ""), 0)"#);1186		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "d"), 0)"#);1187		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "a"), 2)"#);1188	}1189}