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		("round", builtin_round::INST),108		// Operator109		("mod", builtin_mod::INST),110		("primitiveEquals", builtin_primitive_equals::INST),111		("equals", builtin_equals::INST),112		("xor", builtin_xor::INST),113		("format", builtin_format::INST),114		// Sort115		("sort", builtin_sort::INST),116		("uniq", builtin_uniq::INST),117		("set", builtin_set::INST),118		("minArray", builtin_min_array::INST),119		("maxArray", builtin_max_array::INST),120		// Hash121		("md5", builtin_md5::INST),122		("sha256", builtin_sha256::INST),123		("sha512", builtin_sha512::INST),124		// Encoding125		("encodeUTF8", builtin_encode_utf8::INST),126		("decodeUTF8", builtin_decode_utf8::INST),127		("base64", builtin_base64::INST),128		("base64Decode", builtin_base64_decode::INST),129		("base64DecodeBytes", builtin_base64_decode_bytes::INST),130		// Objects131		("objectFieldsEx", builtin_object_fields_ex::INST),132		("objectHasEx", builtin_object_has_ex::INST),133		// Manifest134		("escapeStringJson", builtin_escape_string_json::INST),135		("manifestJsonEx", builtin_manifest_json_ex::INST),136		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),137		("manifestTomlEx", builtin_manifest_toml_ex::INST),138		// Parsing139		("parseJson", builtin_parse_json::INST),140		("parseYaml", builtin_parse_yaml::INST),141		// Strings142		("codepoint", builtin_codepoint::INST),143		("substr", builtin_substr::INST),144		("char", builtin_char::INST),145		("strReplace", builtin_str_replace::INST),146		("splitLimit", builtin_splitlimit::INST),147		("asciiUpper", builtin_ascii_upper::INST),148		("asciiLower", builtin_ascii_lower::INST),149		("findSubstr", builtin_find_substr::INST),150		("parseInt", builtin_parse_int::INST),151		#[cfg(feature = "exp-bigint")]152		("bigint", builtin_bigint::INST),153		("parseOctal", builtin_parse_octal::INST),154		("parseHex", builtin_parse_hex::INST),155		// Misc156		("length", builtin_length::INST),157		("startsWith", builtin_starts_with::INST),158		("endsWith", builtin_ends_with::INST),159		// Sets160		("setMember", builtin_set_member::INST),161		("setInter", builtin_set_inter::INST),162		// Compat163		("__compare", builtin___compare::INST),164	]165	.iter()166	.cloned()167	{168		builder169			.member(name.into())170			.hide()171			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))172			.expect("no conflict");173	}174175	builder176		.member("extVar".into())177		.hide()178		.value(Val::Func(FuncVal::builtin(builtin_ext_var {179			settings: settings.clone(),180		})))181		.expect("no conflict");182	builder183		.member("native".into())184		.hide()185		.value(Val::Func(FuncVal::builtin(builtin_native {186			settings: settings.clone(),187		})))188		.expect("no conflict");189	builder190		.member("trace".into())191		.hide()192		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))193		.expect("no conflict");194195	builder196		.member("id".into())197		.hide()198		.value(Val::Func(FuncVal::Id))199		.expect("no conflict");200201	builder.build()202}203204pub trait TracePrinter {205	fn print_trace(&self, loc: CallLocation, value: IStr);206}207208pub struct StdTracePrinter {209	resolver: PathResolver,210}211impl StdTracePrinter {212	pub fn new(resolver: PathResolver) -> Self {213		Self { resolver }214	}215}216impl TracePrinter for StdTracePrinter {217	fn print_trace(&self, loc: CallLocation, value: IStr) {218		eprint!("TRACE:");219		if let Some(loc) = loc.0 {220			let locs = loc.0.map_source_locations(&[loc.1]);221			eprint!(222				" {}:{}",223				match loc.0.source_path().path() {224					Some(p) => self.resolver.resolve(p),225					None => loc.0.source_path().to_string(),226				},227				locs[0].line228			);229		}230		eprintln!(" {value}");231	}232}233234pub struct Settings {235	/// Used for `std.extVar`236	pub ext_vars: HashMap<IStr, TlaArg>,237	/// Used for `std.native`238	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,239	/// Helper to add globals without implementing custom ContextInitializer240	pub globals: GcHashMap<IStr, Thunk<Val>>,241	/// Used for `std.trace`242	pub trace_printer: Box<dyn TracePrinter>,243	/// Used for `std.thisFile`244	pub path_resolver: PathResolver,245}246247fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {248	let source_name = format!("<extvar:{name}>");249	Source::new_virtual(source_name.into(), code.into())250}251252#[derive(Trace, Clone)]253pub struct ContextInitializer {254	// When we don't need to support legacy-this-file, we can reuse same context for all files255	#[cfg(not(feature = "legacy-this-file"))]256	context: Context,257	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it258	#[cfg(feature = "legacy-this-file")]259	stdlib_obj: ObjValue,260	settings: Rc<RefCell<Settings>>,261}262impl ContextInitializer {263	pub fn new(_s: State, resolver: PathResolver) -> Self {264		let settings = Settings {265			ext_vars: Default::default(),266			ext_natives: Default::default(),267			globals: Default::default(),268			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),269			path_resolver: resolver,270		};271		let settings = Rc::new(RefCell::new(settings));272		Self {273			#[cfg(not(feature = "legacy-this-file"))]274			context: {275				let mut context = ContextBuilder::with_capacity(_s, 1);276				context.bind(277					"std".into(),278					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),279				);280				context.build()281			},282			#[cfg(feature = "legacy-this-file")]283			stdlib_obj: stdlib_uncached(settings.clone()),284			settings,285		}286	}287	pub fn settings(&self) -> Ref<Settings> {288		self.settings.borrow()289	}290	pub fn settings_mut(&self) -> RefMut<Settings> {291		self.settings.borrow_mut()292	}293	pub fn add_ext_var(&self, name: IStr, value: Val) {294		self.settings_mut()295			.ext_vars296			.insert(name, TlaArg::Val(value));297	}298	pub fn add_ext_str(&self, name: IStr, value: IStr) {299		self.settings_mut()300			.ext_vars301			.insert(name, TlaArg::String(value));302	}303	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {304		let code = code.into();305		let source = extvar_source(name, code.clone());306		let parsed = jrsonnet_parser::parse(307			&code,308			&jrsonnet_parser::ParserSettings {309				source: source.clone(),310			},311		)312		.map_err(|e| ImportSyntaxError {313			path: source,314			error: Box::new(e),315		})?;316		// self.data_mut().volatile_files.insert(source_name, code);317		self.settings_mut()318			.ext_vars319			.insert(name.into(), TlaArg::Code(parsed));320		Ok(())321	}322	pub fn add_native(&self, name: IStr, cb: impl Builtin) {323		self.settings_mut()324			.ext_natives325			.insert(name, Cc::new(tb!(cb)));326	}327}328impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {329	#[cfg(not(feature = "legacy-this-file"))]330	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {331		let out = self.context.clone();332		let globals = &self.settings().globals;333		if globals.is_empty() {334			return out;335		}336337		let mut out = ContextBuilder::extend(out);338		for (k, v) in globals.iter() {339			out.bind(k.clone(), v.clone());340		}341		out.build()342	}343	#[cfg(feature = "legacy-this-file")]344	fn initialize(&self, s: State, source: Source) -> Context {345		use jrsonnet_evaluator::val::StrValue;346347		let mut builder = ObjValueBuilder::new();348		builder.with_super(self.stdlib_obj.clone());349		builder350			.member("thisFile".into())351			.hide()352			.value(Val::Str(StrValue::Flat(353				match source.source_path().path() {354					Some(p) => self.settings().path_resolver.resolve(p).into(),355					None => source.source_path().to_string().into(),356				},357			)))358			.expect("this object builder is empty");359		let stdlib_with_this_file = builder.build();360361		let mut context = ContextBuilder::with_capacity(s, 1);362		context.bind(363			"std".into(),364			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),365		);366		for (k, v) in self.settings().globals.iter() {367			context.bind(k.clone(), v.clone());368		}369		context.build()370	}371	fn as_any(&self) -> &dyn std::any::Any {372		self373	}374}375376pub trait StateExt {377	/// This method was previously implemented in jrsonnet-evaluator itself378	fn with_stdlib(&self);379	fn add_global(&self, name: IStr, value: Thunk<Val>);380}381382impl StateExt for State {383	fn with_stdlib(&self) {384		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());385		self.settings_mut().context_initializer = tb!(initializer)386	}387	fn add_global(&self, name: IStr, value: Thunk<Val>) {388		self.settings()389			.context_initializer390			.as_any()391			.downcast_ref::<ContextInitializer>()392			.expect("not standard context initializer")393			.settings_mut()394			.globals395			.insert(name, value);396	}397}