git.delta.rocks / jrsonnet / refs/commits / 9af1f59feaab

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		("count", builtin_count::INST),84		// Math85		("abs", builtin_abs::INST),86		("sign", builtin_sign::INST),87		("max", builtin_max::INST),88		("min", builtin_min::INST),89		("modulo", builtin_modulo::INST),90		("floor", builtin_floor::INST),91		("ceil", builtin_ceil::INST),92		("log", builtin_log::INST),93		("pow", builtin_pow::INST),94		("sqrt", builtin_sqrt::INST),95		("sin", builtin_sin::INST),96		("cos", builtin_cos::INST),97		("tan", builtin_tan::INST),98		("asin", builtin_asin::INST),99		("acos", builtin_acos::INST),100		("atan", builtin_atan::INST),101		("exp", builtin_exp::INST),102		("mantissa", builtin_mantissa::INST),103		("exponent", builtin_exponent::INST),104		// Operator105		("mod", builtin_mod::INST),106		("primitiveEquals", builtin_primitive_equals::INST),107		("equals", builtin_equals::INST),108		("format", builtin_format::INST),109		// Sort110		("sort", builtin_sort::INST),111		("uniq", builtin_uniq::INST),112		("set", builtin_set::INST),113		// Hash114		("md5", builtin_md5::INST),115		#[cfg(feature = "exp-more-hashes")]116		("sha256", builtin_sha256::INST),117		// Encoding118		("encodeUTF8", builtin_encode_utf8::INST),119		("decodeUTF8", builtin_decode_utf8::INST),120		("base64", builtin_base64::INST),121		("base64Decode", builtin_base64_decode::INST),122		("base64DecodeBytes", builtin_base64_decode_bytes::INST),123		// Objects124		("objectFieldsEx", builtin_object_fields_ex::INST),125		("objectHasEx", builtin_object_has_ex::INST),126		// Manifest127		("escapeStringJson", builtin_escape_string_json::INST),128		("manifestJsonEx", builtin_manifest_json_ex::INST),129		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),130		("manifestTomlEx", builtin_manifest_toml_ex::INST),131		// Parsing132		("parseJson", builtin_parse_json::INST),133		("parseYaml", builtin_parse_yaml::INST),134		// Strings135		("codepoint", builtin_codepoint::INST),136		("substr", builtin_substr::INST),137		("char", builtin_char::INST),138		("strReplace", builtin_str_replace::INST),139		("splitLimit", builtin_splitlimit::INST),140		("asciiUpper", builtin_ascii_upper::INST),141		("asciiLower", builtin_ascii_lower::INST),142		("findSubstr", builtin_find_substr::INST),143		("parseInt", builtin_parse_int::INST),144		("parseOctal", builtin_parse_octal::INST),145		("parseHex", builtin_parse_hex::INST),146		// Misc147		("length", builtin_length::INST),148		("startsWith", builtin_starts_with::INST),149		("endsWith", builtin_ends_with::INST),150		// Sets151		("setMember", builtin_set_member::INST),152		("setInter", builtin_set_inter::INST),153	]154	.iter()155	.cloned()156	{157		builder158			.member(name.into())159			.hide()160			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))161			.expect("no conflict");162	}163164	builder165		.member("extVar".into())166		.hide()167		.value(Val::Func(FuncVal::builtin(builtin_ext_var {168			settings: settings.clone(),169		})))170		.expect("no conflict");171	builder172		.member("native".into())173		.hide()174		.value(Val::Func(FuncVal::builtin(builtin_native {175			settings: settings.clone(),176		})))177		.expect("no conflict");178	builder179		.member("trace".into())180		.hide()181		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))182		.expect("no conflict");183184	builder185		.member("id".into())186		.hide()187		.value(Val::Func(FuncVal::Id))188		.expect("no conflict");189190	builder.build()191}192193pub trait TracePrinter {194	fn print_trace(&self, loc: CallLocation, value: IStr);195}196197pub struct StdTracePrinter {198	resolver: PathResolver,199}200impl StdTracePrinter {201	pub fn new(resolver: PathResolver) -> Self {202		Self { resolver }203	}204}205impl TracePrinter for StdTracePrinter {206	fn print_trace(&self, loc: CallLocation, value: IStr) {207		eprint!("TRACE:");208		if let Some(loc) = loc.0 {209			let locs = loc.0.map_source_locations(&[loc.1]);210			eprint!(211				" {}:{}",212				match loc.0.source_path().path() {213					Some(p) => self.resolver.resolve(p),214					None => loc.0.source_path().to_string(),215				},216				locs[0].line217			);218		}219		eprintln!(" {value}");220	}221}222223pub struct Settings {224	/// Used for `std.extVar`225	pub ext_vars: HashMap<IStr, TlaArg>,226	/// Used for `std.native`227	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,228	/// Helper to add globals without implementing custom ContextInitializer229	pub globals: GcHashMap<IStr, Thunk<Val>>,230	/// Used for `std.trace`231	pub trace_printer: Box<dyn TracePrinter>,232	/// Used for `std.thisFile`233	pub path_resolver: PathResolver,234}235236fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {237	let source_name = format!("<extvar:{name}>");238	Source::new_virtual(source_name.into(), code.into())239}240241#[derive(Trace, Clone)]242pub struct ContextInitializer {243	// When we don't need to support legacy-this-file, we can reuse same context for all files244	#[cfg(not(feature = "legacy-this-file"))]245	context: Context,246	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it247	#[cfg(feature = "legacy-this-file")]248	stdlib_obj: ObjValue,249	settings: Rc<RefCell<Settings>>,250}251impl ContextInitializer {252	pub fn new(_s: State, resolver: PathResolver) -> Self {253		let settings = Settings {254			ext_vars: Default::default(),255			ext_natives: Default::default(),256			globals: Default::default(),257			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),258			path_resolver: resolver,259		};260		let settings = Rc::new(RefCell::new(settings));261		Self {262			#[cfg(not(feature = "legacy-this-file"))]263			context: {264				let mut context = ContextBuilder::with_capacity(_s, 1);265				context.bind(266					"std".into(),267					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),268				);269				context.build()270			},271			#[cfg(feature = "legacy-this-file")]272			stdlib_obj: stdlib_uncached(settings.clone()),273			settings,274		}275	}276	pub fn settings(&self) -> Ref<Settings> {277		self.settings.borrow()278	}279	pub fn settings_mut(&self) -> RefMut<Settings> {280		self.settings.borrow_mut()281	}282	pub fn add_ext_var(&self, name: IStr, value: Val) {283		self.settings_mut()284			.ext_vars285			.insert(name, TlaArg::Val(value));286	}287	pub fn add_ext_str(&self, name: IStr, value: IStr) {288		self.settings_mut()289			.ext_vars290			.insert(name, TlaArg::String(value));291	}292	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {293		let code = code.into();294		let source = extvar_source(name, code.clone());295		let parsed = jrsonnet_parser::parse(296			&code,297			&jrsonnet_parser::ParserSettings {298				source: source.clone(),299			},300		)301		.map_err(|e| ImportSyntaxError {302			path: source,303			error: Box::new(e),304		})?;305		// self.data_mut().volatile_files.insert(source_name, code);306		self.settings_mut()307			.ext_vars308			.insert(name.into(), TlaArg::Code(parsed));309		Ok(())310	}311	pub fn add_native(&self, name: IStr, cb: impl Builtin) {312		self.settings_mut()313			.ext_natives314			.insert(name, Cc::new(tb!(cb)));315	}316}317impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {318	#[cfg(not(feature = "legacy-this-file"))]319	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {320		let out = self.context.clone();321		let globals = &self.settings().globals;322		if globals.is_empty() {323			return out;324		}325326		let mut out = ContextBuilder::extend(out);327		for (k, v) in globals.iter() {328			out.bind(k.clone(), v.clone());329		}330		out.build()331	}332	#[cfg(feature = "legacy-this-file")]333	fn initialize(&self, s: State, source: Source) -> Context {334		use jrsonnet_evaluator::val::StrValue;335336		let mut builder = ObjValueBuilder::new();337		builder.with_super(self.stdlib_obj.clone());338		builder339			.member("thisFile".into())340			.hide()341			.value(Val::Str(StrValue::Flat(342				match source.source_path().path() {343					Some(p) => self.settings().path_resolver.resolve(p).into(),344					None => source.source_path().to_string().into(),345				},346			)))347			.expect("this object builder is empty");348		let stdlib_with_this_file = builder.build();349350		let mut context = ContextBuilder::with_capacity(s, 1);351		context.bind(352			"std".into(),353			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),354		);355		for (k, v) in self.settings().globals.iter() {356			context.bind(k.clone(), v.clone());357		}358		context.build()359	}360	fn as_any(&self) -> &dyn std::any::Any {361		self362	}363}364365pub trait StateExt {366	/// This method was previously implemented in jrsonnet-evaluator itself367	fn with_stdlib(&self);368	fn add_global(&self, name: IStr, value: Thunk<Val>);369}370371impl StateExt for State {372	fn with_stdlib(&self) {373		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());374		self.settings_mut().context_initializer = tb!(initializer)375	}376	fn add_global(&self, name: IStr, value: Thunk<Val>) {377		self.settings()378			.context_initializer379			.as_any()380			.downcast_ref::<ContextInitializer>()381			.expect("not standard context initializer")382			.settings_mut()383			.globals384			.insert(name, value);385	}386}