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 61 ("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 69 ("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 87 ("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),112 113 ("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),119 120 ("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),125 126 ("md5", builtin_md5::INST),127 ("sha256", builtin_sha256::INST),128 ("sha512", builtin_sha512::INST),129 130 ("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),135 136 ("objectFieldsEx", builtin_object_fields_ex::INST),137 ("objectHasEx", builtin_object_has_ex::INST),138 139 ("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),143 144 ("parseJson", builtin_parse_json::INST),145 ("parseYaml", builtin_parse_yaml::INST),146 147 ("codepoint", builtin_codepoint::INST),148 ("substr", builtin_substr::INST),149 ("char", builtin_char::INST),150 ("strReplace", builtin_str_replace::INST),151 ("isEmpty", builtin_is_empty::INST),152 ("splitLimit", builtin_splitlimit::INST),153 ("asciiUpper", builtin_ascii_upper::INST),154 ("asciiLower", builtin_ascii_lower::INST),155 ("findSubstr", builtin_find_substr::INST),156 ("parseInt", builtin_parse_int::INST),157 #[cfg(feature = "exp-bigint")]158 ("bigint", builtin_bigint::INST),159 ("parseOctal", builtin_parse_octal::INST),160 ("parseHex", builtin_parse_hex::INST),161 162 ("length", builtin_length::INST),163 ("startsWith", builtin_starts_with::INST),164 ("endsWith", builtin_ends_with::INST),165 166 ("setMember", builtin_set_member::INST),167 ("setInter", builtin_set_inter::INST),168 169 ("__compare", builtin___compare::INST),170 ]171 .iter()172 .cloned()173 {174 builder175 .member(name.into())176 .hide()177 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))178 .expect("no conflict");179 }180181 builder182 .member("extVar".into())183 .hide()184 .value(Val::Func(FuncVal::builtin(builtin_ext_var {185 settings: settings.clone(),186 })))187 .expect("no conflict");188 builder189 .member("native".into())190 .hide()191 .value(Val::Func(FuncVal::builtin(builtin_native {192 settings: settings.clone(),193 })))194 .expect("no conflict");195 builder196 .member("trace".into())197 .hide()198 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))199 .expect("no conflict");200201 builder202 .member("id".into())203 .hide()204 .value(Val::Func(FuncVal::Id))205 .expect("no conflict");206207 builder.build()208}209210pub trait TracePrinter {211 fn print_trace(&self, loc: CallLocation, value: IStr);212}213214pub struct StdTracePrinter {215 resolver: PathResolver,216}217impl StdTracePrinter {218 pub fn new(resolver: PathResolver) -> Self {219 Self { resolver }220 }221}222impl TracePrinter for StdTracePrinter {223 fn print_trace(&self, loc: CallLocation, value: IStr) {224 eprint!("TRACE:");225 if let Some(loc) = loc.0 {226 let locs = loc.0.map_source_locations(&[loc.1]);227 eprint!(228 " {}:{}",229 match loc.0.source_path().path() {230 Some(p) => self.resolver.resolve(p),231 None => loc.0.source_path().to_string(),232 },233 locs[0].line234 );235 }236 eprintln!(" {value}");237 }238}239240pub struct Settings {241 242 pub ext_vars: HashMap<IStr, TlaArg>,243 244 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,245 246 pub globals: GcHashMap<IStr, Thunk<Val>>,247 248 pub trace_printer: Box<dyn TracePrinter>,249 250 pub path_resolver: PathResolver,251}252253fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {254 let source_name = format!("<extvar:{name}>");255 Source::new_virtual(source_name.into(), code.into())256}257258#[derive(Trace, Clone)]259pub struct ContextInitializer {260 261 #[cfg(not(feature = "legacy-this-file"))]262 context: Context,263 264 #[cfg(feature = "legacy-this-file")]265 stdlib_obj: ObjValue,266 settings: Rc<RefCell<Settings>>,267}268impl ContextInitializer {269 pub fn new(_s: State, resolver: PathResolver) -> Self {270 let settings = Settings {271 ext_vars: Default::default(),272 ext_natives: Default::default(),273 globals: Default::default(),274 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),275 path_resolver: resolver,276 };277 let settings = Rc::new(RefCell::new(settings));278 Self {279 #[cfg(not(feature = "legacy-this-file"))]280 context: {281 let mut context = ContextBuilder::with_capacity(_s, 1);282 context.bind(283 "std".into(),284 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),285 );286 context.build()287 },288 #[cfg(feature = "legacy-this-file")]289 stdlib_obj: stdlib_uncached(settings.clone()),290 settings,291 }292 }293 pub fn settings(&self) -> Ref<Settings> {294 self.settings.borrow()295 }296 pub fn settings_mut(&self) -> RefMut<Settings> {297 self.settings.borrow_mut()298 }299 pub fn add_ext_var(&self, name: IStr, value: Val) {300 self.settings_mut()301 .ext_vars302 .insert(name, TlaArg::Val(value));303 }304 pub fn add_ext_str(&self, name: IStr, value: IStr) {305 self.settings_mut()306 .ext_vars307 .insert(name, TlaArg::String(value));308 }309 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {310 let code = code.into();311 let source = extvar_source(name, code.clone());312 let parsed = jrsonnet_parser::parse(313 &code,314 &jrsonnet_parser::ParserSettings {315 source: source.clone(),316 },317 )318 .map_err(|e| ImportSyntaxError {319 path: source,320 error: Box::new(e),321 })?;322 323 self.settings_mut()324 .ext_vars325 .insert(name.into(), TlaArg::Code(parsed));326 Ok(())327 }328 pub fn add_native(&self, name: IStr, cb: impl Builtin) {329 self.settings_mut()330 .ext_natives331 .insert(name, Cc::new(tb!(cb)));332 }333}334impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {335 #[cfg(not(feature = "legacy-this-file"))]336 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {337 let out = self.context.clone();338 let globals = &self.settings().globals;339 if globals.is_empty() {340 return out;341 }342343 let mut out = ContextBuilder::extend(out);344 for (k, v) in globals.iter() {345 out.bind(k.clone(), v.clone());346 }347 out.build()348 }349 #[cfg(feature = "legacy-this-file")]350 fn initialize(&self, s: State, source: Source) -> Context {351 use jrsonnet_evaluator::val::StrValue;352353 let mut builder = ObjValueBuilder::new();354 builder.with_super(self.stdlib_obj.clone());355 builder356 .member("thisFile".into())357 .hide()358 .value(Val::Str(StrValue::Flat(359 match source.source_path().path() {360 Some(p) => self.settings().path_resolver.resolve(p).into(),361 None => source.source_path().to_string().into(),362 },363 )))364 .expect("this object builder is empty");365 let stdlib_with_this_file = builder.build();366367 let mut context = ContextBuilder::with_capacity(s, 1);368 context.bind(369 "std".into(),370 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),371 );372 for (k, v) in self.settings().globals.iter() {373 context.bind(k.clone(), v.clone());374 }375 context.build()376 }377 fn as_any(&self) -> &dyn std::any::Any {378 self379 }380}381382pub trait StateExt {383 384 fn with_stdlib(&self);385 fn add_global(&self, name: IStr, value: Thunk<Val>);386}387388impl StateExt for State {389 fn with_stdlib(&self) {390 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());391 self.settings_mut().context_initializer = tb!(initializer)392 }393 fn add_global(&self, name: IStr, value: Thunk<Val>) {394 self.settings()395 .context_initializer396 .as_any()397 .downcast_ref::<ContextInitializer>()398 .expect("not standard context initializer")399 .settings_mut()400 .globals401 .insert(name, value);402 }403}