git.delta.rocks / jrsonnet / refs/commits / 0d33992df094

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		// Operator108		("mod", builtin_mod::INST),109		("primitiveEquals", builtin_primitive_equals::INST),110		("equals", builtin_equals::INST),111		("xor", builtin_xor::INST),112		("format", builtin_format::INST),113		// Sort114		("sort", builtin_sort::INST),115		("uniq", builtin_uniq::INST),116		("set", builtin_set::INST),117		("minArray", builtin_min_array::INST),118		("maxArray", builtin_max_array::INST),119		// Hash120		("md5", builtin_md5::INST),121		("sha256", builtin_sha256::INST),122		("sha512", builtin_sha512::INST),123		// Encoding124		("encodeUTF8", builtin_encode_utf8::INST),125		("decodeUTF8", builtin_decode_utf8::INST),126		("base64", builtin_base64::INST),127		("base64Decode", builtin_base64_decode::INST),128		("base64DecodeBytes", builtin_base64_decode_bytes::INST),129		// Objects130		("objectFieldsEx", builtin_object_fields_ex::INST),131		("objectHasEx", builtin_object_has_ex::INST),132		// Manifest133		("escapeStringJson", builtin_escape_string_json::INST),134		("manifestJsonEx", builtin_manifest_json_ex::INST),135		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),136		("manifestTomlEx", builtin_manifest_toml_ex::INST),137		// Parsing138		("parseJson", builtin_parse_json::INST),139		("parseYaml", builtin_parse_yaml::INST),140		// Strings141		("codepoint", builtin_codepoint::INST),142		("substr", builtin_substr::INST),143		("char", builtin_char::INST),144		("strReplace", builtin_str_replace::INST),145		("splitLimit", builtin_splitlimit::INST),146		("asciiUpper", builtin_ascii_upper::INST),147		("asciiLower", builtin_ascii_lower::INST),148		("findSubstr", builtin_find_substr::INST),149		("parseInt", builtin_parse_int::INST),150		#[cfg(feature = "exp-bigint")]151		("bigint", builtin_bigint::INST),152		("parseOctal", builtin_parse_octal::INST),153		("parseHex", builtin_parse_hex::INST),154		// Misc155		("length", builtin_length::INST),156		("startsWith", builtin_starts_with::INST),157		("endsWith", builtin_ends_with::INST),158		// Sets159		("setMember", builtin_set_member::INST),160		("setInter", builtin_set_inter::INST),161		// Compat162		("__compare", builtin___compare::INST),163	]164	.iter()165	.cloned()166	{167		builder168			.member(name.into())169			.hide()170			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))171			.expect("no conflict");172	}173174	builder175		.member("extVar".into())176		.hide()177		.value(Val::Func(FuncVal::builtin(builtin_ext_var {178			settings: settings.clone(),179		})))180		.expect("no conflict");181	builder182		.member("native".into())183		.hide()184		.value(Val::Func(FuncVal::builtin(builtin_native {185			settings: settings.clone(),186		})))187		.expect("no conflict");188	builder189		.member("trace".into())190		.hide()191		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))192		.expect("no conflict");193194	builder195		.member("id".into())196		.hide()197		.value(Val::Func(FuncVal::Id))198		.expect("no conflict");199200	builder.build()201}202203pub trait TracePrinter {204	fn print_trace(&self, loc: CallLocation, value: IStr);205}206207pub struct StdTracePrinter {208	resolver: PathResolver,209}210impl StdTracePrinter {211	pub fn new(resolver: PathResolver) -> Self {212		Self { resolver }213	}214}215impl TracePrinter for StdTracePrinter {216	fn print_trace(&self, loc: CallLocation, value: IStr) {217		eprint!("TRACE:");218		if let Some(loc) = loc.0 {219			let locs = loc.0.map_source_locations(&[loc.1]);220			eprint!(221				" {}:{}",222				match loc.0.source_path().path() {223					Some(p) => self.resolver.resolve(p),224					None => loc.0.source_path().to_string(),225				},226				locs[0].line227			);228		}229		eprintln!(" {value}");230	}231}232233pub struct Settings {234	/// Used for `std.extVar`235	pub ext_vars: HashMap<IStr, TlaArg>,236	/// Used for `std.native`237	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,238	/// Helper to add globals without implementing custom ContextInitializer239	pub globals: GcHashMap<IStr, Thunk<Val>>,240	/// Used for `std.trace`241	pub trace_printer: Box<dyn TracePrinter>,242	/// Used for `std.thisFile`243	pub path_resolver: PathResolver,244}245246fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {247	let source_name = format!("<extvar:{name}>");248	Source::new_virtual(source_name.into(), code.into())249}250251#[derive(Trace, Clone)]252pub struct ContextInitializer {253	// When we don't need to support legacy-this-file, we can reuse same context for all files254	#[cfg(not(feature = "legacy-this-file"))]255	context: Context,256	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it257	#[cfg(feature = "legacy-this-file")]258	stdlib_obj: ObjValue,259	settings: Rc<RefCell<Settings>>,260}261impl ContextInitializer {262	pub fn new(_s: State, resolver: PathResolver) -> Self {263		let settings = Settings {264			ext_vars: Default::default(),265			ext_natives: Default::default(),266			globals: Default::default(),267			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),268			path_resolver: resolver,269		};270		let settings = Rc::new(RefCell::new(settings));271		Self {272			#[cfg(not(feature = "legacy-this-file"))]273			context: {274				let mut context = ContextBuilder::with_capacity(_s, 1);275				context.bind(276					"std".into(),277					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),278				);279				context.build()280			},281			#[cfg(feature = "legacy-this-file")]282			stdlib_obj: stdlib_uncached(settings.clone()),283			settings,284		}285	}286	pub fn settings(&self) -> Ref<Settings> {287		self.settings.borrow()288	}289	pub fn settings_mut(&self) -> RefMut<Settings> {290		self.settings.borrow_mut()291	}292	pub fn add_ext_var(&self, name: IStr, value: Val) {293		self.settings_mut()294			.ext_vars295			.insert(name, TlaArg::Val(value));296	}297	pub fn add_ext_str(&self, name: IStr, value: IStr) {298		self.settings_mut()299			.ext_vars300			.insert(name, TlaArg::String(value));301	}302	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {303		let code = code.into();304		let source = extvar_source(name, code.clone());305		let parsed = jrsonnet_parser::parse(306			&code,307			&jrsonnet_parser::ParserSettings {308				source: source.clone(),309			},310		)311		.map_err(|e| ImportSyntaxError {312			path: source,313			error: Box::new(e),314		})?;315		// self.data_mut().volatile_files.insert(source_name, code);316		self.settings_mut()317			.ext_vars318			.insert(name.into(), TlaArg::Code(parsed));319		Ok(())320	}321	pub fn add_native(&self, name: IStr, cb: impl Builtin) {322		self.settings_mut()323			.ext_natives324			.insert(name, Cc::new(tb!(cb)));325	}326}327impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {328	#[cfg(not(feature = "legacy-this-file"))]329	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {330		let out = self.context.clone();331		let globals = &self.settings().globals;332		if globals.is_empty() {333			return out;334		}335336		let mut out = ContextBuilder::extend(out);337		for (k, v) in globals.iter() {338			out.bind(k.clone(), v.clone());339		}340		out.build()341	}342	#[cfg(feature = "legacy-this-file")]343	fn initialize(&self, s: State, source: Source) -> Context {344		use jrsonnet_evaluator::val::StrValue;345346		let mut builder = ObjValueBuilder::new();347		builder.with_super(self.stdlib_obj.clone());348		builder349			.member("thisFile".into())350			.hide()351			.value(Val::Str(StrValue::Flat(352				match source.source_path().path() {353					Some(p) => self.settings().path_resolver.resolve(p).into(),354					None => source.source_path().to_string().into(),355				},356			)))357			.expect("this object builder is empty");358		let stdlib_with_this_file = builder.build();359360		let mut context = ContextBuilder::with_capacity(s, 1);361		context.bind(362			"std".into(),363			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),364		);365		for (k, v) in self.settings().globals.iter() {366			context.bind(k.clone(), v.clone());367		}368		context.build()369	}370	fn as_any(&self) -> &dyn std::any::Any {371		self372	}373}374375pub trait StateExt {376	/// This method was previously implemented in jrsonnet-evaluator itself377	fn with_stdlib(&self);378	fn add_global(&self, name: IStr, value: Thunk<Val>);379}380381impl StateExt for State {382	fn with_stdlib(&self) {383		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());384		self.settings_mut().context_initializer = tb!(initializer)385	}386	fn add_global(&self, name: IStr, value: Thunk<Val>) {387		self.settings()388			.context_initializer389			.as_any()390			.downcast_ref::<ContextInitializer>()391			.expect("not standard context initializer")392			.settings_mut()393			.globals394			.insert(name, value);395	}396}