git.delta.rocks / jrsonnet / refs/commits / 696afe01731f

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;28use gc::{GcHashMap, TraceBox};29use gcmodule::{Cc, Trace};30pub use import::*;31pub use jrsonnet_interner::IStr;32use jrsonnet_parser::*;33use native::NativeCallback;34pub use obj::*;35use std::{36	cell::{Ref, RefCell, RefMut},37	collections::HashMap,38	fmt::Debug,39	path::{Path, PathBuf},40	rc::Rc,41};42use trace::{location_to_offset, offset_to_location, CodeLocation, CompactFormat, TraceFormat};43pub use val::*;44pub mod gc;4546pub trait Bindable: Trace + 'static {47	fn bind(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal>;48}4950#[derive(Clone, Trace)]51pub enum LazyBinding {52	Bindable(Cc<TraceBox<dyn Bindable>>),53	Bound(LazyVal),54}5556impl Debug for LazyBinding {57	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {58		write!(f, "LazyBinding")59	}60}61impl LazyBinding {62	pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {63		match self {64			Self::Bindable(v) => v.bind(this, super_obj),65			Self::Bound(v) => Ok(v.clone()),66		}67	}68}6970pub struct EvaluationSettings {71	/// Limits recursion by limiting the number of stack frames72	pub max_stack: usize,73	/// Limits amount of stack trace items preserved74	pub max_trace: usize,75	/// Used for s`td.extVar`76	pub ext_vars: HashMap<IStr, Val>,77	/// Used for ext.native78	pub ext_natives: HashMap<IStr, Cc<NativeCallback>>,79	/// TLA vars80	pub tla_vars: HashMap<IStr, Val>,81	/// Global variables are inserted in default context82	pub globals: HashMap<IStr, Val>,83	/// Used to resolve file locations/contents84	pub import_resolver: Box<dyn ImportResolver>,85	/// Used in manifestification functions86	pub manifest_format: ManifestFormat,87	/// Used for bindings88	pub trace_format: Box<dyn TraceFormat>,89}90impl Default for EvaluationSettings {91	fn default() -> Self {92		Self {93			max_stack: 200,94			max_trace: 20,95			globals: Default::default(),96			ext_vars: Default::default(),97			ext_natives: Default::default(),98			tla_vars: Default::default(),99			import_resolver: Box::new(DummyImportResolver),100			manifest_format: ManifestFormat::Json(4),101			trace_format: Box::new(CompactFormat {102				padding: 4,103				resolver: trace::PathResolver::Absolute,104			}),105		}106	}107}108109#[derive(Default)]110struct EvaluationData {111	/// Used for stack overflow detection, stacktrace is populated on unwind112	stack_depth: usize,113	/// Updated every time stack entry is popt114	stack_generation: usize,115116	breakpoints: Breakpoints,117	/// Contains file source codes and evaluation results for imports and pretty-printed stacktraces118	files: HashMap<Rc<Path>, FileData>,119	str_files: HashMap<Rc<Path>, IStr>,120}121122pub struct FileData {123	source_code: IStr,124	parsed: LocExpr,125	evaluated: Option<Val>,126}127128pub struct Breakpoint {129	loc: ExprLocation,130	collected: RefCell<HashMap<usize, (usize, Vec<Result<Val>>)>>,131}132#[derive(Default)]133struct Breakpoints(Vec<Rc<Breakpoint>>);134impl Breakpoints {135	fn insert(136		&self,137		stack_depth: usize,138		stack_generation: usize,139		loc: &ExprLocation,140		result: Result<Val>,141	) -> Result<Val> {142		if self.0.is_empty() {143			return result;144		}145		for item in self.0.iter() {146			if item.loc.belongs_to(loc) {147				let mut collected = item.collected.borrow_mut();148				let (depth, vals) = collected.entry(stack_generation).or_default();149				if stack_depth > *depth {150					vals.clear();151				}152				vals.push(result.clone());153			}154		}155		result156	}157}158159#[derive(Default)]160pub struct EvaluationStateInternals {161	/// Internal state162	data: RefCell<EvaluationData>,163	/// Settings, safe to change at runtime164	settings: RefCell<EvaluationSettings>,165}166167thread_local! {168	/// Contains the state for a currently executed file.169	/// Global state is fine here.170	pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)171}172pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {173	EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))174}175pub(crate) fn push_frame<T>(176	e: &ExprLocation,177	frame_desc: impl FnOnce() -> String,178	f: impl FnOnce() -> Result<T>,179) -> Result<T> {180	with_state(|s| s.push(e, frame_desc, f))181}182183#[allow(dead_code)]184pub(crate) fn push_val_frame(185	e: &ExprLocation,186	frame_desc: impl FnOnce() -> String,187	f: impl FnOnce() -> Result<Val>,188) -> Result<Val> {189	with_state(|s| s.push_val(e, frame_desc, f))190}191#[allow(dead_code)]192pub(crate) fn push_description_frame<T>(193	frame_desc: impl FnOnce() -> String,194	f: impl FnOnce() -> Result<T>,195) -> Result<T> {196	with_state(|s| s.push_description(frame_desc, f))197}198199/// Maintains stack trace and import resolution200#[derive(Default, Clone)]201pub struct EvaluationState(Rc<EvaluationStateInternals>);202203impl EvaluationState {204	/// Parses and adds file as loaded205	pub fn add_file(&self, path: Rc<Path>, source_code: IStr) -> Result<()> {206		self.add_parsed_file(207			path.clone(),208			source_code.clone(),209			parse(210				&source_code,211				&ParserSettings {212					file_name: path.clone(),213				},214			)215			.map_err(|error| ImportSyntaxError {216				error: Box::new(error),217				path: path.to_owned(),218				source_code,219			})?,220		)?;221222		Ok(())223	}224225	pub fn reset_evaluation_state(&self, name: &Path) {226		self.data_mut()227			.files228			.get_mut(name)229			.unwrap()230			.evaluated231			.take();232	}233234	/// Adds file by source code and parsed expr235	pub fn add_parsed_file(236		&self,237		name: Rc<Path>,238		source_code: IStr,239		parsed: LocExpr,240	) -> Result<()> {241		self.data_mut().files.insert(242			name,243			FileData {244				source_code,245				parsed,246				evaluated: None,247			},248		);249250		Ok(())251	}252	pub fn get_source(&self, name: &Path) -> Option<IStr> {253		let ro_map = &self.data().files;254		ro_map.get(name).map(|value| value.source_code.clone())255	}256	pub fn map_source_locations(&self, file: &Path, locs: &[usize]) -> Vec<CodeLocation> {257		offset_to_location(&self.get_source(file).unwrap_or("".into()), locs)258	}259	pub fn map_from_source_location(260		&self,261		file: &Path,262		line: usize,263		column: usize,264	) -> Option<usize> {265		location_to_offset(&self.get_source(file).unwrap(), line, column)266	}267	pub fn import_file(&self, from: &Path, path: &Path) -> Result<Val> {268		let file_path = self.resolve_file(from, path)?;269		{270			let data = self.data();271			let files = &data.files;272			if files.contains_key(&file_path as &Path) {273				drop(data);274				return self.evaluate_loaded_file_raw(&file_path);275			}276		}277		let contents = self.load_file_contents(&file_path)?;278		self.add_file(file_path.clone(), contents)?;279		self.evaluate_loaded_file_raw(&file_path)280	}281	pub(crate) fn import_file_str(&self, from: &Path, path: &Path) -> Result<IStr> {282		let path = self.resolve_file(from, path)?;283		if !self.data().str_files.contains_key(&path) {284			let file_str = self.load_file_contents(&path)?;285			self.data_mut().str_files.insert(path.clone(), file_str);286		}287		Ok(self.data().str_files.get(&path).cloned().unwrap())288	}289290	fn evaluate_loaded_file_raw(&self, name: &Path) -> Result<Val> {291		let expr: LocExpr = {292			let ro_map = &self.data().files;293			let value = ro_map294				.get(name)295				.unwrap_or_else(|| panic!("file not added: {:?}", name));296			if let Some(ref evaluated) = value.evaluated {297				return Ok(evaluated.clone());298			}299			value.parsed.clone()300		};301		let value = evaluate(self.create_default_context(), &expr)?;302		{303			self.data_mut()304				.files305				.get_mut(name)306				.unwrap()307				.evaluated308				.replace(value.clone());309		}310		Ok(value)311	}312313	/// Adds standard library global variable (std) to this evaluator314	pub fn with_stdlib(&self) -> &Self {315		use jrsonnet_stdlib::STDLIB_STR;316		let std_path: Rc<Path> = PathBuf::from("std.jsonnet").into();317		self.run_in_state(|| {318			self.add_parsed_file(319				std_path.clone(),320				STDLIB_STR.to_owned().into(),321				builtin::get_parsed_stdlib(),322			)323			.unwrap();324			let val = self.evaluate_loaded_file_raw(&std_path).unwrap();325			self.settings_mut().globals.insert("std".into(), val);326		});327		self328	}329330	/// Creates context with all passed global variables331	pub fn create_default_context(&self) -> Context {332		let globals = &self.settings().globals;333		let mut new_bindings = GcHashMap::with_capacity(globals.len());334		for (name, value) in globals.iter() {335			new_bindings.insert(name.clone(), LazyVal::new_resolved(value.clone()));336		}337		Context::new().extend_bound(new_bindings)338	}339340	/// Executes code creating a new stack frame341	pub fn push<T>(342		&self,343		e: &ExprLocation,344		frame_desc: impl FnOnce() -> String,345		f: impl FnOnce() -> Result<T>,346	) -> Result<T> {347		{348			let mut data = self.data_mut();349			let stack_depth = &mut data.stack_depth;350			if *stack_depth > self.max_stack() {351				// Error creation uses data, so i drop guard here352				drop(data);353				throw!(StackOverflow);354			} else {355				*stack_depth += 1;356			}357		}358		let result = f();359		{360			let mut data = self.data_mut();361			data.stack_depth -= 1;362			data.stack_generation += 1;363		}364		if let Err(mut err) = result {365			err.trace_mut().0.push(StackTraceElement {366				location: Some(e.clone()),367				desc: frame_desc(),368			});369			return Err(err);370		}371		result372	}373374	/// Executes code creating a new stack frame375	pub fn push_val(376		&self,377		e: &ExprLocation,378		frame_desc: impl FnOnce() -> String,379		f: impl FnOnce() -> Result<Val>,380	) -> Result<Val> {381		{382			let mut data = self.data_mut();383			let stack_depth = &mut data.stack_depth;384			if *stack_depth > self.max_stack() {385				// Error creation uses data, so i drop guard here386				drop(data);387				throw!(StackOverflow);388			} else {389				*stack_depth += 1;390			}391		}392		let mut result = f();393		{394			let mut data = self.data_mut();395			data.stack_depth -= 1;396			data.stack_generation += 1;397			result = data398				.breakpoints399				.insert(data.stack_depth, data.stack_generation, &e, result);400		}401		if let Err(mut err) = result {402			err.trace_mut().0.push(StackTraceElement {403				location: Some(e.clone()),404				desc: frame_desc(),405			});406			return Err(err);407		}408		result409	}410	/// Executes code creating a new stack frame411	pub fn push_description<T>(412		&self,413		frame_desc: impl FnOnce() -> String,414		f: impl FnOnce() -> Result<T>,415	) -> Result<T> {416		{417			let mut data = self.data_mut();418			let stack_depth = &mut data.stack_depth;419			if *stack_depth > self.max_stack() {420				// Error creation uses data, so i drop guard here421				drop(data);422				throw!(StackOverflow);423			} else {424				*stack_depth += 1;425			}426		}427		let result = f();428		{429			let mut data = self.data_mut();430			data.stack_depth -= 1;431			data.stack_generation += 1;432		}433		if let Err(mut err) = result {434			err.trace_mut().0.push(StackTraceElement {435				location: None,436				desc: frame_desc(),437			});438			return Err(err);439		}440		result441	}442443	/// Runs passed function in state (required if function needs to modify stack trace)444	pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {445		EVAL_STATE.with(|v| {446			let has_state = v.borrow().is_some();447			if !has_state {448				v.borrow_mut().replace(self.clone());449			}450			let result = f();451			if !has_state {452				v.borrow_mut().take();453			}454			result455		})456	}457	pub fn run_in_state_with_breakpoint(458		&self,459		bp: Rc<Breakpoint>,460		f: impl FnOnce() -> Result<()>,461	) -> Result<()> {462		{463			let mut data = self.data_mut();464			data.breakpoints.0.push(bp);465		}466467		let result = self.run_in_state(f);468469		{470			let mut data = self.data_mut();471			data.breakpoints.0.pop();472		}473474		result475	}476477	pub fn stringify_err(&self, e: &LocError) -> String {478		let mut out = String::new();479		self.settings()480			.trace_format481			.write_trace(&mut out, self, e)482			.unwrap();483		out484	}485486	pub fn manifest(&self, val: Val) -> Result<IStr> {487		self.run_in_state(|| {488			push_description_frame(489				|| format!("manifestification"),490				|| val.manifest(&self.manifest_format()),491			)492		})493	}494	pub fn manifest_multi(&self, val: Val) -> Result<Vec<(IStr, IStr)>> {495		self.run_in_state(|| val.manifest_multi(&self.manifest_format()))496	}497	pub fn manifest_stream(&self, val: Val) -> Result<Vec<IStr>> {498		self.run_in_state(|| val.manifest_stream(&self.manifest_format()))499	}500501	/// If passed value is function then call with set TLA502	pub fn with_tla(&self, val: Val) -> Result<Val> {503		self.run_in_state(|| {504			Ok(match val {505				Val::Func(func) => push_description_frame(506					|| "during TLA call".to_owned(),507					|| {508						func.evaluate_map(509							self.create_default_context(),510							&self.settings().tla_vars,511							true,512						)513					},514				)?,515				v => v,516			})517		})518	}519}520521/// Internals522impl EvaluationState {523	fn data(&self) -> Ref<EvaluationData> {524		self.0.data.borrow()525	}526	fn data_mut(&self) -> RefMut<EvaluationData> {527		self.0.data.borrow_mut()528	}529	pub fn settings(&self) -> Ref<EvaluationSettings> {530		self.0.settings.borrow()531	}532	pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {533		self.0.settings.borrow_mut()534	}535}536537/// Raw methods evaluate passed values but don't perform TLA execution538impl EvaluationState {539	pub fn evaluate_file_raw(&self, name: &Path) -> Result<Val> {540		self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), name))541	}542	pub fn evaluate_file_raw_nocwd(&self, name: &Path) -> Result<Val> {543		self.run_in_state(|| self.import_file(&PathBuf::from("."), name))544	}545	/// Parses and evaluates the given snippet546	pub fn evaluate_snippet_raw(&self, source: Rc<Path>, code: IStr) -> Result<Val> {547		let parsed = parse(548			&code,549			&ParserSettings {550				file_name: source.clone(),551			},552		)553		.map_err(|e| ImportSyntaxError {554			path: source.clone(),555			source_code: code.clone(),556			error: Box::new(e),557		})?;558		self.add_parsed_file(source, code, parsed.clone())?;559		self.evaluate_expr_raw(parsed)560	}561	/// Evaluates the parsed expression562	pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {563		self.run_in_state(|| evaluate(self.create_default_context(), &code))564	}565}566567/// Settings utilities568impl EvaluationState {569	pub fn add_ext_var(&self, name: IStr, value: Val) {570		self.settings_mut().ext_vars.insert(name, value);571	}572	pub fn add_ext_str(&self, name: IStr, value: IStr) {573		self.add_ext_var(name, Val::Str(value));574	}575	pub fn add_ext_code(&self, name: IStr, code: IStr) -> Result<()> {576		let value =577			self.evaluate_snippet_raw(PathBuf::from(format!("ext_code {}", name)).into(), code)?;578		self.add_ext_var(name, value);579		Ok(())580	}581582	pub fn add_tla(&self, name: IStr, value: Val) {583		self.settings_mut().tla_vars.insert(name, value);584	}585	pub fn add_tla_str(&self, name: IStr, value: IStr) {586		self.add_tla(name, Val::Str(value));587	}588	pub fn add_tla_code(&self, name: IStr, code: IStr) -> Result<()> {589		let value =590			self.evaluate_snippet_raw(PathBuf::from(format!("tla_code {}", name)).into(), code)?;591		self.add_tla(name, value);592		Ok(())593	}594595	pub fn resolve_file(&self, from: &Path, path: &Path) -> Result<Rc<Path>> {596		self.settings().import_resolver.resolve_file(from, path)597	}598	pub fn load_file_contents(&self, path: &Path) -> Result<IStr> {599		self.settings().import_resolver.load_file_contents(path)600	}601602	pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {603		Ref::map(self.settings(), |s| &*s.import_resolver)604	}605	pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {606		self.settings_mut().import_resolver = resolver;607	}608609	pub fn add_native(&self, name: IStr, cb: Cc<NativeCallback>) {610		self.settings_mut().ext_natives.insert(name, cb);611	}612613	pub fn manifest_format(&self) -> ManifestFormat {614		self.settings().manifest_format.clone()615	}616	pub fn set_manifest_format(&self, format: ManifestFormat) {617		self.settings_mut().manifest_format = format;618	}619620	pub fn trace_format(&self) -> Ref<dyn TraceFormat> {621		Ref::map(self.settings(), |s| &*s.trace_format)622	}623	pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {624		self.settings_mut().trace_format = format;625	}626627	pub fn max_trace(&self) -> usize {628		self.settings().max_trace629	}630	pub fn set_max_trace(&self, trace: usize) {631		self.settings_mut().max_trace = trace;632	}633634	pub fn max_stack(&self) -> usize {635		self.settings().max_stack636	}637	pub fn set_max_stack(&self, trace: usize) {638		self.settings_mut().max_stack = trace;639	}640}641642pub fn cc_ptr_eq<T>(a: &Cc<T>, b: &Cc<T>) -> bool {643	let a = &a as &T;644	let b = &b as &T;645	std::ptr::eq(a, b)646}647648#[cfg(test)]649pub mod tests {650	use super::Val;651	use crate::{652		error::Error::*, gc::TraceBox, native::NativeCallbackHandler, primitive_equals,653		EvaluationState,654	};655	use gcmodule::{Cc, Trace};656	use jrsonnet_interner::IStr;657	use jrsonnet_parser::*;658	use std::{659		path::{Path, PathBuf},660		rc::Rc,661	};662663	#[test]664	#[should_panic]665	fn eval_state_stacktrace() {666		let state = EvaluationState::default();667		state.run_in_state(|| {668			state669				.push(670					&ExprLocation(PathBuf::from("test1.jsonnet").into(), 10, 20),671					|| "outer".to_owned(),672					|| {673						state.push(674							&ExprLocation(PathBuf::from("test2.jsonnet").into(), 30, 40),675							|| "inner".to_owned(),676							|| Err(RuntimeError("".into()).into()),677						)?;678						Ok(Val::Null)679					},680				)681				.unwrap();682		});683	}684685	#[test]686	fn eval_state_standard() {687		let state = EvaluationState::default();688		state.with_stdlib();689		assert!(primitive_equals(690			&state691				.evaluate_snippet_raw(692					PathBuf::from("raw.jsonnet").into(),693					r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()694				)695				.unwrap(),696			&Val::Bool(true),697		)698		.unwrap());699	}700701	macro_rules! eval {702		($str: expr) => {703			EvaluationState::default()704				.with_stdlib()705				.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())706				.unwrap()707		};708	}709	macro_rules! eval_json {710		($str: expr) => {{711			let evaluator = EvaluationState::default();712			evaluator.with_stdlib();713			evaluator.run_in_state(|| {714				evaluator715					.evaluate_snippet_raw(PathBuf::from("raw.jsonnet").into(), $str.into())716					.unwrap()717					.to_json(0)718					.unwrap()719					.replace("\n", "")720			})721		}};722	}723724	/// Asserts given code returns `true`725	macro_rules! assert_eval {726		($str: expr) => {727			assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())728		};729	}730731	/// Asserts given code returns `false`732	macro_rules! assert_eval_neg {733		($str: expr) => {734			assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())735		};736	}737	macro_rules! assert_json {738		($str: expr, $out: expr) => {739			assert_eq!(eval_json!($str), $out.replace("\t", ""))740		};741	}742743	/// Sanity checking, before trusting to another tests744	#[test]745	fn equality_operator() {746		assert_eval!("2 == 2");747		assert_eval_neg!("2 != 2");748		assert_eval!("2 != 3");749		assert_eval_neg!("2 == 3");750		assert_eval!("'Hello' == 'Hello'");751		assert_eval_neg!("'Hello' != 'Hello'");752		assert_eval!("'Hello' != 'World'");753		assert_eval_neg!("'Hello' == 'World'");754	}755756	#[test]757	fn math_evaluation() {758		assert_eval!("2 + 2 * 2 == 6");759		assert_eval!("3 + (2 + 2 * 2) == 9");760	}761762	#[test]763	fn string_concat() {764		assert_eval!("'Hello' + 'World' == 'HelloWorld'");765		assert_eval!("'Hello' * 3 == 'HelloHelloHello'");766		assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");767	}768769	#[test]770	fn faster_join() {771		assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");772		assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");773	}774775	#[test]776	fn function_contexts() {777		assert_eval!(778			r#"779				local k = {780					t(name = self.h): [self.h, name],781					h: 3,782				};783				local f = {784					t: k.t(),785					h: 4,786				};787				f.t[0] == f.t[1]788			"#789		);790	}791792	#[test]793	fn local() {794		assert_eval!("local a = 2; local b = 3; a + b == 5");795		assert_eval!("local a = 1, b = a + 1; a + b == 3");796		assert_eval!("local a = 1; local a = 2; a == 2");797	}798799	#[test]800	fn object_lazyness() {801		assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);802	}803804	#[test]805	fn object_inheritance() {806		assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);807	}808809	#[test]810	fn object_assertion_success() {811		eval!("{assert \"a\" in self} + {a:2}");812	}813814	#[test]815	fn object_assertion_error() {816		eval!("{assert \"a\" in self}");817	}818819	#[test]820	fn lazy_args() {821		eval!("local test(a) = 2; test(error '3')");822	}823824	#[test]825	#[should_panic]826	fn tailstrict_args() {827		eval!("local test(a) = 2; test(error '3') tailstrict");828	}829830	#[test]831	#[should_panic]832	fn no_binding_error() {833		eval!("a");834	}835836	#[test]837	fn test_object() {838		assert_json!("{a:2}", r#"{"a": 2}"#);839		assert_json!("{a:2+2}", r#"{"a": 4}"#);840		assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);841		assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);842		assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);843		assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);844		assert_json!(845			r#"846				{847					name: "Alice",848					welcome: "Hello " + self.name + "!",849				}850			"#,851			r#"{"name": "Alice","welcome": "Hello Alice!"}"#852		);853		assert_json!(854			r#"855				{856					name: "Alice",857					welcome: "Hello " + self.name + "!",858				} + {859					name: "Bob"860				}861			"#,862			r#"{"name": "Bob","welcome": "Hello Bob!"}"#863		);864	}865866	#[test]867	fn functions() {868		assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");869		assert_json!(870			r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,871			r#""HelloDearWorld""#872		);873	}874875	#[test]876	fn local_methods() {877		assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");878		assert_json!(879			r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,880			r#""HelloDearWorld""#881		);882	}883884	#[test]885	fn object_locals() {886		assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);887		assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);888		assert_json!(889			r#"{local a = function (b) {[b]:4}, test: a("test")}"#,890			r#"{"test": {"test": 4}}"#891		);892	}893894	#[test]895	fn object_comp() {896		assert_json!(897			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}"#,898			"{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"899		)900	}901902	#[test]903	fn direct_self() {904		println!(905			"{:#?}",906			eval!(907				r#"908					{909						local me = self,910						a: 3,911						b(): me.a,912					}913				"#914			)915		);916	}917918	#[test]919	fn indirect_self() {920		// `self` assigned to `me` was lost when being921		// referenced from field922		eval!(923			r#"{924				local me = self,925				a: 3,926				b: me.a,927			}.b"#928		);929	}930931	// We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly932	#[test]933	fn std_assert_ok() {934		eval!("std.assertEqual(4.5 << 2, 16)");935	}936937	#[test]938	#[should_panic]939	fn std_assert_failure() {940		eval!("std.assertEqual(4.5 << 2, 15)");941	}942943	#[test]944	fn string_is_string() {945		assert!(primitive_equals(946			&eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),947			&Val::Bool(false),948		)949		.unwrap());950	}951952	#[test]953	fn base64_works() {954		assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);955	}956957	#[test]958	fn utf8_chars() {959		assert_json!(960			r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,961			r#"{"c": 128526,"l": 1}"#962		)963	}964965	#[test]966	fn json() {967		assert_json!(968			r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,969			r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#970		);971	}972973	#[test]974	fn parse_json() {975		assert_json!(976			r#"std.parseJson('{"a": -1,"b": 1,"c": 3.141,"d": []}')"#,977			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#978		);979		// TODO: this should in fact fail as is no proper JSON syntax980		assert_json!(981			r#"std.parseJson("{a:-1, b:1, c:3.141, d:[]}")"#,982			r#"{"a": -1,"b": 1,"c": 3.141,"d": []}"#983		);984		// TODO: this is also no valid JSON985		assert_json!(r#"std.parseJson('local x = 2; x * x')"#, r#"4"#);986	}987988	#[test]989	fn test() {990		assert_json!(991			r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,992			"[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"993		);994	}995996	#[test]997	fn sjsonnet() {998		eval!(999			r#"1000			local x0 = {k: 1};1001			local x1 = {k: x0.k + x0.k};1002			local x2 = {k: x1.k + x1.k};1003			local x3 = {k: x2.k + x2.k};1004			local x4 = {k: x3.k + x3.k};1005			local x5 = {k: x4.k + x4.k};1006			local x6 = {k: x5.k + x5.k};1007			local x7 = {k: x6.k + x6.k};1008			local x8 = {k: x7.k + x7.k};1009			local x9 = {k: x8.k + x8.k};1010			local x10 = {k: x9.k + x9.k};1011			local x11 = {k: x10.k + x10.k};1012			local x12 = {k: x11.k + x11.k};1013			local x13 = {k: x12.k + x12.k};1014			local x14 = {k: x13.k + x13.k};1015			local x15 = {k: x14.k + x14.k};1016			local x16 = {k: x15.k + x15.k};1017			local x17 = {k: x16.k + x16.k};1018			local x18 = {k: x17.k + x17.k};1019			local x19 = {k: x18.k + x18.k};1020			local x20 = {k: x19.k + x19.k};1021			local x21 = {k: x20.k + x20.k};1022			x21.k1023		"#1024		);1025	}10261027	// This test is commented out by default, because of huge compilation slowdown1028	// #[bench]1029	// fn bench_codegen(b: &mut Bencher) {1030	// 	b.iter(|| {1031	// 		#[allow(clippy::all)]1032	// 		let stdlib = {1033	// 			use jrsonnet_parser::*;1034	// 			include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))1035	// 		};1036	// 		stdlib1037	// 	})1038	// }10391040	/*1041	#[bench]1042	fn bench_serialize(b: &mut Bencher) {1043		b.iter(|| {1044			bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(1045				env!("OUT_DIR"),1046				"/stdlib.bincode"1047			)))1048			.expect("deserialize stdlib")1049		})1050	}10511052	#[bench]1053	fn bench_parse(b: &mut Bencher) {1054		b.iter(|| {1055			jrsonnet_parser::parse(1056				jrsonnet_stdlib::STDLIB_STR,1057				&jrsonnet_parser::ParserSettings {1058					loc_data: true,1059					file_name: Rc::new(PathBuf::from("std.jsonnet")),1060				},1061			)1062		})1063	}1064	*/10651066	#[test]1067	fn equality() {1068		println!(1069			"{:?}",1070			jrsonnet_parser::parse(1071				"{ x: 1, y: 2 } == { x: 1, y: 2 }",1072				&ParserSettings {1073					file_name: PathBuf::from("equality").into(),1074				}1075			)1076		);1077		assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")1078	}10791080	#[test]1081	fn native_ext() -> crate::error::Result<()> {1082		use super::native::NativeCallback;1083		let evaluator = EvaluationState::default();10841085		evaluator.with_stdlib();10861087		#[derive(Trace)]1088		struct NativeAdd;1089		impl NativeCallbackHandler for NativeAdd {1090			fn call(&self, from: Rc<Path>, args: &[Val]) -> crate::error::Result<Val> {1091				assert_eq!(&from as &Path, &PathBuf::from("native_caller.jsonnet"));1092				match (&args[0], &args[1]) {1093					(Val::Num(a), Val::Num(b)) => Ok(Val::Num(a + b)),1094					(_, _) => unreachable!(),1095				}1096			}1097		}1098		evaluator.settings_mut().ext_natives.insert(1099			"native_add".into(),1100			Cc::new(NativeCallback::new(1101				ParamsDesc(Rc::new(vec![1102					Param("a".into(), None),1103					Param("b".into(), None),1104				])),1105				TraceBox(Box::new(NativeAdd)),1106			)),1107		);1108		evaluator.evaluate_snippet_raw(1109			PathBuf::from("native_caller.jsonnet").into(),1110			"std.assertEqual(std.native(\"native_add\")(1, 2), 3)".into(),1111		)?;1112		Ok(())1113	}11141115	#[test]1116	fn constant_intrinsic() -> crate::error::Result<()> {1117		assert_eval!(1118			"local std2 = std; local std = std2 { primitiveEquals(a, b):: false }; 1 == 1"1119		);1120		Ok(())1121	}11221123	#[test]1124	fn standalone_super() -> crate::error::Result<()> {1125		assert_eval!(1126			r#"1127			local obj = {1128				a: 1,1129				b: 2,1130				c: 3,1131			};1132			local test = obj + {1133				fields: std.objectFields(super),1134				d: 5,1135			};1136			test.fields == ['a', 'b', 'c']1137		"#1138		);1139		Ok(())1140	}11411142	#[test]1143	fn comp_self() -> crate::error::Result<()> {1144		assert_eval!(1145			r#"1146			std.objectFields({1147				a:{1148					[name]: name for name in std.objectFields(self)1149				},1150				b: 2,1151				c: 3,1152			}.a) == ['a', 'b', 'c']1153			"#1154		);11551156		Ok(())1157	}11581159	struct TestImportResolver(IStr);1160	impl crate::import::ImportResolver for TestImportResolver {1161		fn resolve_file(&self, _: &Path, _: &Path) -> crate::error::Result<Rc<Path>> {1162			Ok(PathBuf::from("/test").into())1163		}11641165		fn load_file_contents(&self, _: &Path) -> crate::error::Result<IStr> {1166			Ok(self.0.clone())1167		}11681169		unsafe fn as_any(&self) -> &dyn std::any::Any {1170			panic!()1171		}1172	}11731174	#[test]1175	fn issue_23() {1176		let state = EvaluationState::default();1177		state.set_import_resolver(Box::new(TestImportResolver(r#"import "/test""#.into())));1178		let _ = state.evaluate_file_raw(&PathBuf::from("/test"));1179	}11801181	#[test]1182	fn issue_40() {1183		let state = EvaluationState::default();1184		state.with_stdlib();11851186		let error = state1187			.evaluate_snippet_raw(1188				PathBuf::from("issue40.jsonnet").into(),1189				r#"1190				local conf = {1191					n: ""1192				};11931194				local result = conf + {1195					assert std.isNumber(self.n): "is number"1196				};11971198				std.manifestJsonEx(result, "")1199			"#1200				.into(),1201			)1202			.unwrap_err();1203		assert_eq!(error.error().to_string(), "assert failed: is number");1204	}12051206	#[test]1207	fn test_ascii_upper_lower() {1208		assert_eval!(r#"std.assertEqual(std.asciiUpper("aBc😀"), "ABC😀")"#);1209		assert_eval!(r#"std.assertEqual(std.asciiLower("aBc😀"), "abc😀")"#);1210	}12111212	#[test]1213	fn test_member() {1214		assert_eval!(r#"!std.member("", "")"#);1215		assert_eval!(r#"std.member("abc", "a")"#);1216		assert_eval!(r#"!std.member("abc", "d")"#);1217		assert_eval!(r#"!std.member([], "")"#);1218		assert_eval!(r#"std.member(["a", "b", "c"], "a")"#);1219		assert_eval!(r#"!std.member(["a", "b", "c"], "d")"#);1220	}12211222	#[test]1223	fn test_count() {1224		assert_eval!(r#"std.assertEqual(std.count([], ""), 0)"#);1225		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "d"), 0)"#);1226		assert_eval!(r#"std.assertEqual(std.count(["a", "b", "a"], "a"), 2)"#);1227	}1228}