git.delta.rocks / jrsonnet / refs/commits / aee64ce2020d

1use std::{2	cell::{Ref, RefCell, RefMut},3	collections::HashMap,4	rc::Rc,5};67use jrsonnet_evaluator::{8	error::{ErrorKind::*, Result},9	function::{builtin::Builtin, CallLocation, FuncVal, TlaArg},10	gc::{GcHashMap, TraceBox},11	tb,12	trace::PathResolver,13	Context, ContextBuilder, IStr, ObjValue, ObjValueBuilder, State, Thunk, Val,14};15use jrsonnet_gcmodule::{Cc, Trace};16use jrsonnet_parser::Source;1718mod expr;19mod types;20pub use types::*;21mod arrays;22pub use arrays::*;23mod math;24pub use math::*;25mod operator;26pub use operator::*;27mod sort;28pub use sort::*;29mod hash;30pub use hash::*;31mod encoding;32pub use encoding::*;33mod objects;34pub use objects::*;35mod manifest;36pub use manifest::*;37mod parse;38pub use parse::*;39mod strings;40pub use strings::*;41mod misc;42pub use misc::*;43mod sets;44pub use sets::*;45mod compat;46pub use compat::*;4748pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {49	let mut builder = ObjValueBuilder::new();5051	let expr = expr::stdlib_expr();52	let eval = jrsonnet_evaluator::evaluate(ContextBuilder::dangerous_empty_state().build(), &expr)53		.expect("stdlib.jsonnet should have no errors")54		.as_obj()55		.expect("stdlib.jsonnet should evaluate to object");5657	builder.with_super(eval);5859	for (name, builtin) in [60		// Types61		("type", builtin_type::INST),62		("isString", builtin_is_string::INST),63		("isNumber", builtin_is_number::INST),64		("isBoolean", builtin_is_boolean::INST),65		("isObject", builtin_is_object::INST),66		("isArray", builtin_is_array::INST),67		("isFunction", builtin_is_function::INST),68		// Arrays69		("makeArray", builtin_make_array::INST),70		("repeat", builtin_repeat::INST),71		("slice", builtin_slice::INST),72		("map", builtin_map::INST),73		("flatMap", builtin_flatmap::INST),74		("filter", builtin_filter::INST),75		("foldl", builtin_foldl::INST),76		("foldr", builtin_foldr::INST),77		("range", builtin_range::INST),78		("join", builtin_join::INST),79		("reverse", builtin_reverse::INST),80		("any", builtin_any::INST),81		("all", builtin_all::INST),82		("member", builtin_member::INST),83		("contains", builtin_member::INST),84		("count", builtin_count::INST),85		("avg", builtin_avg::INST),86		// Math87		("abs", builtin_abs::INST),88		("sign", builtin_sign::INST),89		("max", builtin_max::INST),90		("min", builtin_min::INST),91		("sum", builtin_sum::INST),92		("modulo", builtin_modulo::INST),93		("floor", builtin_floor::INST),94		("ceil", builtin_ceil::INST),95		("log", builtin_log::INST),96		("pow", builtin_pow::INST),97		("sqrt", builtin_sqrt::INST),98		("sin", builtin_sin::INST),99		("cos", builtin_cos::INST),100		("tan", builtin_tan::INST),101		("asin", builtin_asin::INST),102		("acos", builtin_acos::INST),103		("atan", builtin_atan::INST),104		("exp", builtin_exp::INST),105		("mantissa", builtin_mantissa::INST),106		("exponent", builtin_exponent::INST),107		("round", builtin_round::INST),108		("isEven", builtin_is_even::INST),109		("isOdd", builtin_is_odd::INST),110		("isInteger", builtin_is_integer::INST),111		("isDecimal", builtin_is_decimal::INST),112		// Operator113		("mod", builtin_mod::INST),114		("primitiveEquals", builtin_primitive_equals::INST),115		("equals", builtin_equals::INST),116		("xor", builtin_xor::INST),117		("xnor", builtin_xnor::INST),118		("format", builtin_format::INST),119		// Sort120		("sort", builtin_sort::INST),121		("uniq", builtin_uniq::INST),122		("set", builtin_set::INST),123		("minArray", builtin_min_array::INST),124		("maxArray", builtin_max_array::INST),125		// Hash126		("md5", builtin_md5::INST),127		("sha256", builtin_sha256::INST),128		("sha512", builtin_sha512::INST),129		// Encoding130		("encodeUTF8", builtin_encode_utf8::INST),131		("decodeUTF8", builtin_decode_utf8::INST),132		("base64", builtin_base64::INST),133		("base64Decode", builtin_base64_decode::INST),134		("base64DecodeBytes", builtin_base64_decode_bytes::INST),135		// Objects136		("objectFieldsEx", builtin_object_fields_ex::INST),137		("objectHasEx", builtin_object_has_ex::INST),138		// Manifest139		("escapeStringJson", builtin_escape_string_json::INST),140		("manifestJsonEx", builtin_manifest_json_ex::INST),141		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),142		("manifestTomlEx", builtin_manifest_toml_ex::INST),143		// Parsing144		("parseJson", builtin_parse_json::INST),145		("parseYaml", builtin_parse_yaml::INST),146		// Strings147		("codepoint", builtin_codepoint::INST),148		("substr", builtin_substr::INST),149		("char", builtin_char::INST),150		("strReplace", builtin_str_replace::INST),151		("isEmpty", builtin_is_empty::INST),152		("equalsIgnoreCase", builtin_equals_ignore_case::INST),153		("splitLimit", builtin_splitlimit::INST),154		("asciiUpper", builtin_ascii_upper::INST),155		("asciiLower", builtin_ascii_lower::INST),156		("findSubstr", builtin_find_substr::INST),157		("parseInt", builtin_parse_int::INST),158		#[cfg(feature = "exp-bigint")]159		("bigint", builtin_bigint::INST),160		("parseOctal", builtin_parse_octal::INST),161		("parseHex", builtin_parse_hex::INST),162		// Misc163		("length", builtin_length::INST),164		("startsWith", builtin_starts_with::INST),165		("endsWith", builtin_ends_with::INST),166		// Sets167		("setMember", builtin_set_member::INST),168		("setInter", builtin_set_inter::INST),169		// Compat170		("__compare", builtin___compare::INST),171	]172	.iter()173	.cloned()174	{175		builder176			.member(name.into())177			.hide()178			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))179			.expect("no conflict");180	}181182	builder183		.member("extVar".into())184		.hide()185		.value(Val::Func(FuncVal::builtin(builtin_ext_var {186			settings: settings.clone(),187		})))188		.expect("no conflict");189	builder190		.member("native".into())191		.hide()192		.value(Val::Func(FuncVal::builtin(builtin_native {193			settings: settings.clone(),194		})))195		.expect("no conflict");196	builder197		.member("trace".into())198		.hide()199		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))200		.expect("no conflict");201202	builder203		.member("id".into())204		.hide()205		.value(Val::Func(FuncVal::Id))206		.expect("no conflict");207208	builder.build()209}210211pub trait TracePrinter {212	fn print_trace(&self, loc: CallLocation, value: IStr);213}214215pub struct StdTracePrinter {216	resolver: PathResolver,217}218impl StdTracePrinter {219	pub fn new(resolver: PathResolver) -> Self {220		Self { resolver }221	}222}223impl TracePrinter for StdTracePrinter {224	fn print_trace(&self, loc: CallLocation, value: IStr) {225		eprint!("TRACE:");226		if let Some(loc) = loc.0 {227			let locs = loc.0.map_source_locations(&[loc.1]);228			eprint!(229				" {}:{}",230				match loc.0.source_path().path() {231					Some(p) => self.resolver.resolve(p),232					None => loc.0.source_path().to_string(),233				},234				locs[0].line235			);236		}237		eprintln!(" {value}");238	}239}240241pub struct Settings {242	/// Used for `std.extVar`243	pub ext_vars: HashMap<IStr, TlaArg>,244	/// Used for `std.native`245	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,246	/// Helper to add globals without implementing custom ContextInitializer247	pub globals: GcHashMap<IStr, Thunk<Val>>,248	/// Used for `std.trace`249	pub trace_printer: Box<dyn TracePrinter>,250	/// Used for `std.thisFile`251	pub path_resolver: PathResolver,252}253254fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {255	let source_name = format!("<extvar:{name}>");256	Source::new_virtual(source_name.into(), code.into())257}258259#[derive(Trace, Clone)]260pub struct ContextInitializer {261	// When we don't need to support legacy-this-file, we can reuse same context for all files262	#[cfg(not(feature = "legacy-this-file"))]263	context: Context,264	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it265	#[cfg(feature = "legacy-this-file")]266	stdlib_obj: ObjValue,267	settings: Rc<RefCell<Settings>>,268}269impl ContextInitializer {270	pub fn new(_s: State, resolver: PathResolver) -> Self {271		let settings = Settings {272			ext_vars: Default::default(),273			ext_natives: Default::default(),274			globals: Default::default(),275			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),276			path_resolver: resolver,277		};278		let settings = Rc::new(RefCell::new(settings));279		Self {280			#[cfg(not(feature = "legacy-this-file"))]281			context: {282				let mut context = ContextBuilder::with_capacity(_s, 1);283				context.bind(284					"std".into(),285					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),286				);287				context.build()288			},289			#[cfg(feature = "legacy-this-file")]290			stdlib_obj: stdlib_uncached(settings.clone()),291			settings,292		}293	}294	pub fn settings(&self) -> Ref<Settings> {295		self.settings.borrow()296	}297	pub fn settings_mut(&self) -> RefMut<Settings> {298		self.settings.borrow_mut()299	}300	pub fn add_ext_var(&self, name: IStr, value: Val) {301		self.settings_mut()302			.ext_vars303			.insert(name, TlaArg::Val(value));304	}305	pub fn add_ext_str(&self, name: IStr, value: IStr) {306		self.settings_mut()307			.ext_vars308			.insert(name, TlaArg::String(value));309	}310	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {311		let code = code.into();312		let source = extvar_source(name, code.clone());313		let parsed = jrsonnet_parser::parse(314			&code,315			&jrsonnet_parser::ParserSettings {316				source: source.clone(),317			},318		)319		.map_err(|e| ImportSyntaxError {320			path: source,321			error: Box::new(e),322		})?;323		// self.data_mut().volatile_files.insert(source_name, code);324		self.settings_mut()325			.ext_vars326			.insert(name.into(), TlaArg::Code(parsed));327		Ok(())328	}329	pub fn add_native(&self, name: IStr, cb: impl Builtin) {330		self.settings_mut()331			.ext_natives332			.insert(name, Cc::new(tb!(cb)));333	}334}335impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {336	#[cfg(not(feature = "legacy-this-file"))]337	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {338		let out = self.context.clone();339		let globals = &self.settings().globals;340		if globals.is_empty() {341			return out;342		}343344		let mut out = ContextBuilder::extend(out);345		for (k, v) in globals.iter() {346			out.bind(k.clone(), v.clone());347		}348		out.build()349	}350	#[cfg(feature = "legacy-this-file")]351	fn initialize(&self, s: State, source: Source) -> Context {352		use jrsonnet_evaluator::val::StrValue;353354		let mut builder = ObjValueBuilder::new();355		builder.with_super(self.stdlib_obj.clone());356		builder357			.member("thisFile".into())358			.hide()359			.value(Val::Str(StrValue::Flat(360				match source.source_path().path() {361					Some(p) => self.settings().path_resolver.resolve(p).into(),362					None => source.source_path().to_string().into(),363				},364			)))365			.expect("this object builder is empty");366		let stdlib_with_this_file = builder.build();367368		let mut context = ContextBuilder::with_capacity(s, 1);369		context.bind(370			"std".into(),371			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),372		);373		for (k, v) in self.settings().globals.iter() {374			context.bind(k.clone(), v.clone());375		}376		context.build()377	}378	fn as_any(&self) -> &dyn std::any::Any {379		self380	}381}382383pub trait StateExt {384	/// This method was previously implemented in jrsonnet-evaluator itself385	fn with_stdlib(&self);386	fn add_global(&self, name: IStr, value: Thunk<Val>);387}388389impl StateExt for State {390	fn with_stdlib(&self) {391		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());392		self.settings_mut().context_initializer = tb!(initializer)393	}394	fn add_global(&self, name: IStr, value: Thunk<Val>) {395		self.settings()396			.context_initializer397			.as_any()398			.downcast_ref::<ContextInitializer>()399			.expect("not standard context initializer")400			.settings_mut()401			.globals402			.insert(name, value);403	}404}