git.delta.rocks / jrsonnet / refs/commits / 83c939e4fa0b

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		("splitLimit", builtin_splitlimit::INST),152		("asciiUpper", builtin_ascii_upper::INST),153		("asciiLower", builtin_ascii_lower::INST),154		("findSubstr", builtin_find_substr::INST),155		("parseInt", builtin_parse_int::INST),156		#[cfg(feature = "exp-bigint")]157		("bigint", builtin_bigint::INST),158		("parseOctal", builtin_parse_octal::INST),159		("parseHex", builtin_parse_hex::INST),160		// Misc161		("length", builtin_length::INST),162		("startsWith", builtin_starts_with::INST),163		("endsWith", builtin_ends_with::INST),164		// Sets165		("setMember", builtin_set_member::INST),166		("setInter", builtin_set_inter::INST),167		// Compat168		("__compare", builtin___compare::INST),169	]170	.iter()171	.cloned()172	{173		builder174			.member(name.into())175			.hide()176			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))177			.expect("no conflict");178	}179180	builder181		.member("extVar".into())182		.hide()183		.value(Val::Func(FuncVal::builtin(builtin_ext_var {184			settings: settings.clone(),185		})))186		.expect("no conflict");187	builder188		.member("native".into())189		.hide()190		.value(Val::Func(FuncVal::builtin(builtin_native {191			settings: settings.clone(),192		})))193		.expect("no conflict");194	builder195		.member("trace".into())196		.hide()197		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))198		.expect("no conflict");199200	builder201		.member("id".into())202		.hide()203		.value(Val::Func(FuncVal::Id))204		.expect("no conflict");205206	builder.build()207}208209pub trait TracePrinter {210	fn print_trace(&self, loc: CallLocation, value: IStr);211}212213pub struct StdTracePrinter {214	resolver: PathResolver,215}216impl StdTracePrinter {217	pub fn new(resolver: PathResolver) -> Self {218		Self { resolver }219	}220}221impl TracePrinter for StdTracePrinter {222	fn print_trace(&self, loc: CallLocation, value: IStr) {223		eprint!("TRACE:");224		if let Some(loc) = loc.0 {225			let locs = loc.0.map_source_locations(&[loc.1]);226			eprint!(227				" {}:{}",228				match loc.0.source_path().path() {229					Some(p) => self.resolver.resolve(p),230					None => loc.0.source_path().to_string(),231				},232				locs[0].line233			);234		}235		eprintln!(" {value}");236	}237}238239pub struct Settings {240	/// Used for `std.extVar`241	pub ext_vars: HashMap<IStr, TlaArg>,242	/// Used for `std.native`243	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,244	/// Helper to add globals without implementing custom ContextInitializer245	pub globals: GcHashMap<IStr, Thunk<Val>>,246	/// Used for `std.trace`247	pub trace_printer: Box<dyn TracePrinter>,248	/// Used for `std.thisFile`249	pub path_resolver: PathResolver,250}251252fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {253	let source_name = format!("<extvar:{name}>");254	Source::new_virtual(source_name.into(), code.into())255}256257#[derive(Trace, Clone)]258pub struct ContextInitializer {259	// When we don't need to support legacy-this-file, we can reuse same context for all files260	#[cfg(not(feature = "legacy-this-file"))]261	context: Context,262	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it263	#[cfg(feature = "legacy-this-file")]264	stdlib_obj: ObjValue,265	settings: Rc<RefCell<Settings>>,266}267impl ContextInitializer {268	pub fn new(_s: State, resolver: PathResolver) -> Self {269		let settings = Settings {270			ext_vars: Default::default(),271			ext_natives: Default::default(),272			globals: Default::default(),273			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),274			path_resolver: resolver,275		};276		let settings = Rc::new(RefCell::new(settings));277		Self {278			#[cfg(not(feature = "legacy-this-file"))]279			context: {280				let mut context = ContextBuilder::with_capacity(_s, 1);281				context.bind(282					"std".into(),283					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),284				);285				context.build()286			},287			#[cfg(feature = "legacy-this-file")]288			stdlib_obj: stdlib_uncached(settings.clone()),289			settings,290		}291	}292	pub fn settings(&self) -> Ref<Settings> {293		self.settings.borrow()294	}295	pub fn settings_mut(&self) -> RefMut<Settings> {296		self.settings.borrow_mut()297	}298	pub fn add_ext_var(&self, name: IStr, value: Val) {299		self.settings_mut()300			.ext_vars301			.insert(name, TlaArg::Val(value));302	}303	pub fn add_ext_str(&self, name: IStr, value: IStr) {304		self.settings_mut()305			.ext_vars306			.insert(name, TlaArg::String(value));307	}308	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {309		let code = code.into();310		let source = extvar_source(name, code.clone());311		let parsed = jrsonnet_parser::parse(312			&code,313			&jrsonnet_parser::ParserSettings {314				source: source.clone(),315			},316		)317		.map_err(|e| ImportSyntaxError {318			path: source,319			error: Box::new(e),320		})?;321		// self.data_mut().volatile_files.insert(source_name, code);322		self.settings_mut()323			.ext_vars324			.insert(name.into(), TlaArg::Code(parsed));325		Ok(())326	}327	pub fn add_native(&self, name: IStr, cb: impl Builtin) {328		self.settings_mut()329			.ext_natives330			.insert(name, Cc::new(tb!(cb)));331	}332}333impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {334	#[cfg(not(feature = "legacy-this-file"))]335	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {336		let out = self.context.clone();337		let globals = &self.settings().globals;338		if globals.is_empty() {339			return out;340		}341342		let mut out = ContextBuilder::extend(out);343		for (k, v) in globals.iter() {344			out.bind(k.clone(), v.clone());345		}346		out.build()347	}348	#[cfg(feature = "legacy-this-file")]349	fn initialize(&self, s: State, source: Source) -> Context {350		use jrsonnet_evaluator::val::StrValue;351352		let mut builder = ObjValueBuilder::new();353		builder.with_super(self.stdlib_obj.clone());354		builder355			.member("thisFile".into())356			.hide()357			.value(Val::Str(StrValue::Flat(358				match source.source_path().path() {359					Some(p) => self.settings().path_resolver.resolve(p).into(),360					None => source.source_path().to_string().into(),361				},362			)))363			.expect("this object builder is empty");364		let stdlib_with_this_file = builder.build();365366		let mut context = ContextBuilder::with_capacity(s, 1);367		context.bind(368			"std".into(),369			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),370		);371		for (k, v) in self.settings().globals.iter() {372			context.bind(k.clone(), v.clone());373		}374		context.build()375	}376	fn as_any(&self) -> &dyn std::any::Any {377		self378	}379}380381pub trait StateExt {382	/// This method was previously implemented in jrsonnet-evaluator itself383	fn with_stdlib(&self);384	fn add_global(&self, name: IStr, value: Thunk<Val>);385}386387impl StateExt for State {388	fn with_stdlib(&self) {389		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());390		self.settings_mut().context_initializer = tb!(initializer)391	}392	fn add_global(&self, name: IStr, value: Thunk<Val>) {393		self.settings()394			.context_initializer395			.as_any()396			.downcast_ref::<ContextInitializer>()397			.expect("not standard context initializer")398			.settings_mut()399			.globals400			.insert(name, value);401	}402}