git.delta.rocks / jrsonnet / refs/commits / 385da3502b65

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		("xor", builtin_xor::INST),109		("format", builtin_format::INST),110		// Sort111		("sort", builtin_sort::INST),112		("uniq", builtin_uniq::INST),113		("set", builtin_set::INST),114		// Hash115		("md5", builtin_md5::INST),116		#[cfg(feature = "exp-more-hashes")]117		("sha256", builtin_sha256::INST),118		// Encoding119		("encodeUTF8", builtin_encode_utf8::INST),120		("decodeUTF8", builtin_decode_utf8::INST),121		("base64", builtin_base64::INST),122		("base64Decode", builtin_base64_decode::INST),123		("base64DecodeBytes", builtin_base64_decode_bytes::INST),124		// Objects125		("objectFieldsEx", builtin_object_fields_ex::INST),126		("objectHasEx", builtin_object_has_ex::INST),127		// Manifest128		("escapeStringJson", builtin_escape_string_json::INST),129		("manifestJsonEx", builtin_manifest_json_ex::INST),130		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),131		("manifestTomlEx", builtin_manifest_toml_ex::INST),132		// Parsing133		("parseJson", builtin_parse_json::INST),134		("parseYaml", builtin_parse_yaml::INST),135		// Strings136		("codepoint", builtin_codepoint::INST),137		("substr", builtin_substr::INST),138		("char", builtin_char::INST),139		("strReplace", builtin_str_replace::INST),140		("splitLimit", builtin_splitlimit::INST),141		("asciiUpper", builtin_ascii_upper::INST),142		("asciiLower", builtin_ascii_lower::INST),143		("findSubstr", builtin_find_substr::INST),144		("parseInt", builtin_parse_int::INST),145		("parseOctal", builtin_parse_octal::INST),146		("parseHex", builtin_parse_hex::INST),147		// Misc148		("length", builtin_length::INST),149		("startsWith", builtin_starts_with::INST),150		("endsWith", builtin_ends_with::INST),151		// Sets152		("setMember", builtin_set_member::INST),153		("setInter", builtin_set_inter::INST),154		// Compat155		("__compare", builtin___compare::INST),156	]157	.iter()158	.cloned()159	{160		builder161			.member(name.into())162			.hide()163			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))164			.expect("no conflict");165	}166167	builder168		.member("extVar".into())169		.hide()170		.value(Val::Func(FuncVal::builtin(builtin_ext_var {171			settings: settings.clone(),172		})))173		.expect("no conflict");174	builder175		.member("native".into())176		.hide()177		.value(Val::Func(FuncVal::builtin(builtin_native {178			settings: settings.clone(),179		})))180		.expect("no conflict");181	builder182		.member("trace".into())183		.hide()184		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))185		.expect("no conflict");186187	builder188		.member("id".into())189		.hide()190		.value(Val::Func(FuncVal::Id))191		.expect("no conflict");192193	builder.build()194}195196pub trait TracePrinter {197	fn print_trace(&self, loc: CallLocation, value: IStr);198}199200pub struct StdTracePrinter {201	resolver: PathResolver,202}203impl StdTracePrinter {204	pub fn new(resolver: PathResolver) -> Self {205		Self { resolver }206	}207}208impl TracePrinter for StdTracePrinter {209	fn print_trace(&self, loc: CallLocation, value: IStr) {210		eprint!("TRACE:");211		if let Some(loc) = loc.0 {212			let locs = loc.0.map_source_locations(&[loc.1]);213			eprint!(214				" {}:{}",215				match loc.0.source_path().path() {216					Some(p) => self.resolver.resolve(p),217					None => loc.0.source_path().to_string(),218				},219				locs[0].line220			);221		}222		eprintln!(" {value}");223	}224}225226pub struct Settings {227	/// Used for `std.extVar`228	pub ext_vars: HashMap<IStr, TlaArg>,229	/// Used for `std.native`230	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,231	/// Helper to add globals without implementing custom ContextInitializer232	pub globals: GcHashMap<IStr, Thunk<Val>>,233	/// Used for `std.trace`234	pub trace_printer: Box<dyn TracePrinter>,235	/// Used for `std.thisFile`236	pub path_resolver: PathResolver,237}238239fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {240	let source_name = format!("<extvar:{name}>");241	Source::new_virtual(source_name.into(), code.into())242}243244#[derive(Trace, Clone)]245pub struct ContextInitializer {246	// When we don't need to support legacy-this-file, we can reuse same context for all files247	#[cfg(not(feature = "legacy-this-file"))]248	context: Context,249	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it250	#[cfg(feature = "legacy-this-file")]251	stdlib_obj: ObjValue,252	settings: Rc<RefCell<Settings>>,253}254impl ContextInitializer {255	pub fn new(_s: State, resolver: PathResolver) -> Self {256		let settings = Settings {257			ext_vars: Default::default(),258			ext_natives: Default::default(),259			globals: Default::default(),260			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),261			path_resolver: resolver,262		};263		let settings = Rc::new(RefCell::new(settings));264		Self {265			#[cfg(not(feature = "legacy-this-file"))]266			context: {267				let mut context = ContextBuilder::with_capacity(_s, 1);268				context.bind(269					"std".into(),270					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),271				);272				context.build()273			},274			#[cfg(feature = "legacy-this-file")]275			stdlib_obj: stdlib_uncached(settings.clone()),276			settings,277		}278	}279	pub fn settings(&self) -> Ref<Settings> {280		self.settings.borrow()281	}282	pub fn settings_mut(&self) -> RefMut<Settings> {283		self.settings.borrow_mut()284	}285	pub fn add_ext_var(&self, name: IStr, value: Val) {286		self.settings_mut()287			.ext_vars288			.insert(name, TlaArg::Val(value));289	}290	pub fn add_ext_str(&self, name: IStr, value: IStr) {291		self.settings_mut()292			.ext_vars293			.insert(name, TlaArg::String(value));294	}295	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {296		let code = code.into();297		let source = extvar_source(name, code.clone());298		let parsed = jrsonnet_parser::parse(299			&code,300			&jrsonnet_parser::ParserSettings {301				source: source.clone(),302			},303		)304		.map_err(|e| ImportSyntaxError {305			path: source,306			error: Box::new(e),307		})?;308		// self.data_mut().volatile_files.insert(source_name, code);309		self.settings_mut()310			.ext_vars311			.insert(name.into(), TlaArg::Code(parsed));312		Ok(())313	}314	pub fn add_native(&self, name: IStr, cb: impl Builtin) {315		self.settings_mut()316			.ext_natives317			.insert(name, Cc::new(tb!(cb)));318	}319}320impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {321	#[cfg(not(feature = "legacy-this-file"))]322	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {323		let out = self.context.clone();324		let globals = &self.settings().globals;325		if globals.is_empty() {326			return out;327		}328329		let mut out = ContextBuilder::extend(out);330		for (k, v) in globals.iter() {331			out.bind(k.clone(), v.clone());332		}333		out.build()334	}335	#[cfg(feature = "legacy-this-file")]336	fn initialize(&self, s: State, source: Source) -> Context {337		use jrsonnet_evaluator::val::StrValue;338339		let mut builder = ObjValueBuilder::new();340		builder.with_super(self.stdlib_obj.clone());341		builder342			.member("thisFile".into())343			.hide()344			.value(Val::Str(StrValue::Flat(345				match source.source_path().path() {346					Some(p) => self.settings().path_resolver.resolve(p).into(),347					None => source.source_path().to_string().into(),348				},349			)))350			.expect("this object builder is empty");351		let stdlib_with_this_file = builder.build();352353		let mut context = ContextBuilder::with_capacity(s, 1);354		context.bind(355			"std".into(),356			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),357		);358		for (k, v) in self.settings().globals.iter() {359			context.bind(k.clone(), v.clone());360		}361		context.build()362	}363	fn as_any(&self) -> &dyn std::any::Any {364		self365	}366}367368pub trait StateExt {369	/// This method was previously implemented in jrsonnet-evaluator itself370	fn with_stdlib(&self);371	fn add_global(&self, name: IStr, value: Thunk<Val>);372}373374impl StateExt for State {375	fn with_stdlib(&self) {376		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());377		self.settings_mut().context_initializer = tb!(initializer)378	}379	fn add_global(&self, name: IStr, value: Thunk<Val>) {380		self.settings()381			.context_initializer382			.as_any()383			.downcast_ref::<ContextInitializer>()384			.expect("not standard context initializer")385			.settings_mut()386			.globals387			.insert(name, value);388	}389}