git.delta.rocks / jrsonnet / refs/commits / 371439fb5fc5

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		("avg", builtin_avg::INST),85		// Math86		("abs", builtin_abs::INST),87		("sign", builtin_sign::INST),88		("max", builtin_max::INST),89		("min", builtin_min::INST),90		("sum", builtin_sum::INST),91		("modulo", builtin_modulo::INST),92		("floor", builtin_floor::INST),93		("ceil", builtin_ceil::INST),94		("log", builtin_log::INST),95		("pow", builtin_pow::INST),96		("sqrt", builtin_sqrt::INST),97		("sin", builtin_sin::INST),98		("cos", builtin_cos::INST),99		("tan", builtin_tan::INST),100		("asin", builtin_asin::INST),101		("acos", builtin_acos::INST),102		("atan", builtin_atan::INST),103		("exp", builtin_exp::INST),104		("mantissa", builtin_mantissa::INST),105		("exponent", builtin_exponent::INST),106		// Operator107		("mod", builtin_mod::INST),108		("primitiveEquals", builtin_primitive_equals::INST),109		("equals", builtin_equals::INST),110		("xor", builtin_xor::INST),111		("format", builtin_format::INST),112		// Sort113		("sort", builtin_sort::INST),114		("uniq", builtin_uniq::INST),115		("set", builtin_set::INST),116		("minArray", builtin_min_array::INST),117		("maxArray", builtin_max_array::INST),118		// Hash119		("md5", builtin_md5::INST),120		("sha256", builtin_sha256::INST),121		("sha512", builtin_sha512::INST),122		// Encoding123		("encodeUTF8", builtin_encode_utf8::INST),124		("decodeUTF8", builtin_decode_utf8::INST),125		("base64", builtin_base64::INST),126		("base64Decode", builtin_base64_decode::INST),127		("base64DecodeBytes", builtin_base64_decode_bytes::INST),128		// Objects129		("objectFieldsEx", builtin_object_fields_ex::INST),130		("objectHasEx", builtin_object_has_ex::INST),131		// Manifest132		("escapeStringJson", builtin_escape_string_json::INST),133		("manifestJsonEx", builtin_manifest_json_ex::INST),134		("manifestYamlDoc", builtin_manifest_yaml_doc::INST),135		("manifestTomlEx", builtin_manifest_toml_ex::INST),136		// Parsing137		("parseJson", builtin_parse_json::INST),138		("parseYaml", builtin_parse_yaml::INST),139		// Strings140		("codepoint", builtin_codepoint::INST),141		("substr", builtin_substr::INST),142		("char", builtin_char::INST),143		("strReplace", builtin_str_replace::INST),144		("splitLimit", builtin_splitlimit::INST),145		("asciiUpper", builtin_ascii_upper::INST),146		("asciiLower", builtin_ascii_lower::INST),147		("findSubstr", builtin_find_substr::INST),148		("parseInt", builtin_parse_int::INST),149		#[cfg(feature = "exp-bigint")]150		("bigint", builtin_bigint::INST),151		("parseOctal", builtin_parse_octal::INST),152		("parseHex", builtin_parse_hex::INST),153		// Misc154		("length", builtin_length::INST),155		("startsWith", builtin_starts_with::INST),156		("endsWith", builtin_ends_with::INST),157		// Sets158		("setMember", builtin_set_member::INST),159		("setInter", builtin_set_inter::INST),160		// Compat161		("__compare", builtin___compare::INST),162	]163	.iter()164	.cloned()165	{166		builder167			.member(name.into())168			.hide()169			.value(Val::Func(FuncVal::StaticBuiltin(builtin)))170			.expect("no conflict");171	}172173	builder174		.member("extVar".into())175		.hide()176		.value(Val::Func(FuncVal::builtin(builtin_ext_var {177			settings: settings.clone(),178		})))179		.expect("no conflict");180	builder181		.member("native".into())182		.hide()183		.value(Val::Func(FuncVal::builtin(builtin_native {184			settings: settings.clone(),185		})))186		.expect("no conflict");187	builder188		.member("trace".into())189		.hide()190		.value(Val::Func(FuncVal::builtin(builtin_trace { settings })))191		.expect("no conflict");192193	builder194		.member("id".into())195		.hide()196		.value(Val::Func(FuncVal::Id))197		.expect("no conflict");198199	builder.build()200}201202pub trait TracePrinter {203	fn print_trace(&self, loc: CallLocation, value: IStr);204}205206pub struct StdTracePrinter {207	resolver: PathResolver,208}209impl StdTracePrinter {210	pub fn new(resolver: PathResolver) -> Self {211		Self { resolver }212	}213}214impl TracePrinter for StdTracePrinter {215	fn print_trace(&self, loc: CallLocation, value: IStr) {216		eprint!("TRACE:");217		if let Some(loc) = loc.0 {218			let locs = loc.0.map_source_locations(&[loc.1]);219			eprint!(220				" {}:{}",221				match loc.0.source_path().path() {222					Some(p) => self.resolver.resolve(p),223					None => loc.0.source_path().to_string(),224				},225				locs[0].line226			);227		}228		eprintln!(" {value}");229	}230}231232pub struct Settings {233	/// Used for `std.extVar`234	pub ext_vars: HashMap<IStr, TlaArg>,235	/// Used for `std.native`236	pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,237	/// Helper to add globals without implementing custom ContextInitializer238	pub globals: GcHashMap<IStr, Thunk<Val>>,239	/// Used for `std.trace`240	pub trace_printer: Box<dyn TracePrinter>,241	/// Used for `std.thisFile`242	pub path_resolver: PathResolver,243}244245fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {246	let source_name = format!("<extvar:{name}>");247	Source::new_virtual(source_name.into(), code.into())248}249250#[derive(Trace, Clone)]251pub struct ContextInitializer {252	// When we don't need to support legacy-this-file, we can reuse same context for all files253	#[cfg(not(feature = "legacy-this-file"))]254	context: Context,255	// Otherwise, we can only keep first stdlib layer, and then stack thisFile on top of it256	#[cfg(feature = "legacy-this-file")]257	stdlib_obj: ObjValue,258	settings: Rc<RefCell<Settings>>,259}260impl ContextInitializer {261	pub fn new(_s: State, resolver: PathResolver) -> Self {262		let settings = Settings {263			ext_vars: Default::default(),264			ext_natives: Default::default(),265			globals: Default::default(),266			trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),267			path_resolver: resolver,268		};269		let settings = Rc::new(RefCell::new(settings));270		Self {271			#[cfg(not(feature = "legacy-this-file"))]272			context: {273				let mut context = ContextBuilder::with_capacity(_s, 1);274				context.bind(275					"std".into(),276					Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),277				);278				context.build()279			},280			#[cfg(feature = "legacy-this-file")]281			stdlib_obj: stdlib_uncached(settings.clone()),282			settings,283		}284	}285	pub fn settings(&self) -> Ref<Settings> {286		self.settings.borrow()287	}288	pub fn settings_mut(&self) -> RefMut<Settings> {289		self.settings.borrow_mut()290	}291	pub fn add_ext_var(&self, name: IStr, value: Val) {292		self.settings_mut()293			.ext_vars294			.insert(name, TlaArg::Val(value));295	}296	pub fn add_ext_str(&self, name: IStr, value: IStr) {297		self.settings_mut()298			.ext_vars299			.insert(name, TlaArg::String(value));300	}301	pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {302		let code = code.into();303		let source = extvar_source(name, code.clone());304		let parsed = jrsonnet_parser::parse(305			&code,306			&jrsonnet_parser::ParserSettings {307				source: source.clone(),308			},309		)310		.map_err(|e| ImportSyntaxError {311			path: source,312			error: Box::new(e),313		})?;314		// self.data_mut().volatile_files.insert(source_name, code);315		self.settings_mut()316			.ext_vars317			.insert(name.into(), TlaArg::Code(parsed));318		Ok(())319	}320	pub fn add_native(&self, name: IStr, cb: impl Builtin) {321		self.settings_mut()322			.ext_natives323			.insert(name, Cc::new(tb!(cb)));324	}325}326impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {327	#[cfg(not(feature = "legacy-this-file"))]328	fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {329		let out = self.context.clone();330		let globals = &self.settings().globals;331		if globals.is_empty() {332			return out;333		}334335		let mut out = ContextBuilder::extend(out);336		for (k, v) in globals.iter() {337			out.bind(k.clone(), v.clone());338		}339		out.build()340	}341	#[cfg(feature = "legacy-this-file")]342	fn initialize(&self, s: State, source: Source) -> Context {343		use jrsonnet_evaluator::val::StrValue;344345		let mut builder = ObjValueBuilder::new();346		builder.with_super(self.stdlib_obj.clone());347		builder348			.member("thisFile".into())349			.hide()350			.value(Val::Str(StrValue::Flat(351				match source.source_path().path() {352					Some(p) => self.settings().path_resolver.resolve(p).into(),353					None => source.source_path().to_string().into(),354				},355			)))356			.expect("this object builder is empty");357		let stdlib_with_this_file = builder.build();358359		let mut context = ContextBuilder::with_capacity(s, 1);360		context.bind(361			"std".into(),362			Thunk::evaluated(Val::Obj(stdlib_with_this_file)),363		);364		for (k, v) in self.settings().globals.iter() {365			context.bind(k.clone(), v.clone());366		}367		context.build()368	}369	fn as_any(&self) -> &dyn std::any::Any {370		self371	}372}373374pub trait StateExt {375	/// This method was previously implemented in jrsonnet-evaluator itself376	fn with_stdlib(&self);377	fn add_global(&self, name: IStr, value: Thunk<Val>);378}379380impl StateExt for State {381	fn with_stdlib(&self) {382		let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());383		self.settings_mut().context_initializer = tb!(initializer)384	}385	fn add_global(&self, name: IStr, value: Thunk<Val>) {386		self.settings()387			.context_initializer388			.as_any()389			.downcast_ref::<ContextInitializer>()390			.expect("not standard context initializer")391			.settings_mut()392			.globals393			.insert(name, value);394	}395}