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 ("format", builtin_format::INST),118 119 ("sort", builtin_sort::INST),120 ("uniq", builtin_uniq::INST),121 ("set", builtin_set::INST),122 ("minArray", builtin_min_array::INST),123 ("maxArray", builtin_max_array::INST),124 125 ("md5", builtin_md5::INST),126 ("sha256", builtin_sha256::INST),127 ("sha512", builtin_sha512::INST),128 129 ("encodeUTF8", builtin_encode_utf8::INST),130 ("decodeUTF8", builtin_decode_utf8::INST),131 ("base64", builtin_base64::INST),132 ("base64Decode", builtin_base64_decode::INST),133 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),134 135 ("objectFieldsEx", builtin_object_fields_ex::INST),136 ("objectHasEx", builtin_object_has_ex::INST),137 138 ("escapeStringJson", builtin_escape_string_json::INST),139 ("manifestJsonEx", builtin_manifest_json_ex::INST),140 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),141 ("manifestTomlEx", builtin_manifest_toml_ex::INST),142 143 ("parseJson", builtin_parse_json::INST),144 ("parseYaml", builtin_parse_yaml::INST),145 146 ("codepoint", builtin_codepoint::INST),147 ("substr", builtin_substr::INST),148 ("char", builtin_char::INST),149 ("strReplace", builtin_str_replace::INST),150 ("splitLimit", builtin_splitlimit::INST),151 ("asciiUpper", builtin_ascii_upper::INST),152 ("asciiLower", builtin_ascii_lower::INST),153 ("findSubstr", builtin_find_substr::INST),154 ("parseInt", builtin_parse_int::INST),155 #[cfg(feature = "exp-bigint")]156 ("bigint", builtin_bigint::INST),157 ("parseOctal", builtin_parse_octal::INST),158 ("parseHex", builtin_parse_hex::INST),159 160 ("length", builtin_length::INST),161 ("startsWith", builtin_starts_with::INST),162 ("endsWith", builtin_ends_with::INST),163 164 ("setMember", builtin_set_member::INST),165 ("setInter", builtin_set_inter::INST),166 167 ("__compare", builtin___compare::INST),168 ]169 .iter()170 .cloned()171 {172 builder173 .member(name.into())174 .hide()175 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))176 .expect("no conflict");177 }178179 builder180 .member("extVar".into())181 .hide()182 .value(Val::Func(FuncVal::builtin(builtin_ext_var {183 settings: settings.clone(),184 })))185 .expect("no conflict");186 builder187 .member("native".into())188 .hide()189 .value(Val::Func(FuncVal::builtin(builtin_native {190 settings: settings.clone(),191 })))192 .expect("no conflict");193 builder194 .member("trace".into())195 .hide()196 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))197 .expect("no conflict");198199 builder200 .member("id".into())201 .hide()202 .value(Val::Func(FuncVal::Id))203 .expect("no conflict");204205 builder.build()206}207208pub trait TracePrinter {209 fn print_trace(&self, loc: CallLocation, value: IStr);210}211212pub struct StdTracePrinter {213 resolver: PathResolver,214}215impl StdTracePrinter {216 pub fn new(resolver: PathResolver) -> Self {217 Self { resolver }218 }219}220impl TracePrinter for StdTracePrinter {221 fn print_trace(&self, loc: CallLocation, value: IStr) {222 eprint!("TRACE:");223 if let Some(loc) = loc.0 {224 let locs = loc.0.map_source_locations(&[loc.1]);225 eprint!(226 " {}:{}",227 match loc.0.source_path().path() {228 Some(p) => self.resolver.resolve(p),229 None => loc.0.source_path().to_string(),230 },231 locs[0].line232 );233 }234 eprintln!(" {value}");235 }236}237238pub struct Settings {239 240 pub ext_vars: HashMap<IStr, TlaArg>,241 242 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,243 244 pub globals: GcHashMap<IStr, Thunk<Val>>,245 246 pub trace_printer: Box<dyn TracePrinter>,247 248 pub path_resolver: PathResolver,249}250251fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {252 let source_name = format!("<extvar:{name}>");253 Source::new_virtual(source_name.into(), code.into())254}255256#[derive(Trace, Clone)]257pub struct ContextInitializer {258 259 #[cfg(not(feature = "legacy-this-file"))]260 context: Context,261 262 #[cfg(feature = "legacy-this-file")]263 stdlib_obj: ObjValue,264 settings: Rc<RefCell<Settings>>,265}266impl ContextInitializer {267 pub fn new(_s: State, resolver: PathResolver) -> Self {268 let settings = Settings {269 ext_vars: Default::default(),270 ext_natives: Default::default(),271 globals: Default::default(),272 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),273 path_resolver: resolver,274 };275 let settings = Rc::new(RefCell::new(settings));276 Self {277 #[cfg(not(feature = "legacy-this-file"))]278 context: {279 let mut context = ContextBuilder::with_capacity(_s, 1);280 context.bind(281 "std".into(),282 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),283 );284 context.build()285 },286 #[cfg(feature = "legacy-this-file")]287 stdlib_obj: stdlib_uncached(settings.clone()),288 settings,289 }290 }291 pub fn settings(&self) -> Ref<Settings> {292 self.settings.borrow()293 }294 pub fn settings_mut(&self) -> RefMut<Settings> {295 self.settings.borrow_mut()296 }297 pub fn add_ext_var(&self, name: IStr, value: Val) {298 self.settings_mut()299 .ext_vars300 .insert(name, TlaArg::Val(value));301 }302 pub fn add_ext_str(&self, name: IStr, value: IStr) {303 self.settings_mut()304 .ext_vars305 .insert(name, TlaArg::String(value));306 }307 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {308 let code = code.into();309 let source = extvar_source(name, code.clone());310 let parsed = jrsonnet_parser::parse(311 &code,312 &jrsonnet_parser::ParserSettings {313 source: source.clone(),314 },315 )316 .map_err(|e| ImportSyntaxError {317 path: source,318 error: Box::new(e),319 })?;320 321 self.settings_mut()322 .ext_vars323 .insert(name.into(), TlaArg::Code(parsed));324 Ok(())325 }326 pub fn add_native(&self, name: IStr, cb: impl Builtin) {327 self.settings_mut()328 .ext_natives329 .insert(name, Cc::new(tb!(cb)));330 }331}332impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {333 #[cfg(not(feature = "legacy-this-file"))]334 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {335 let out = self.context.clone();336 let globals = &self.settings().globals;337 if globals.is_empty() {338 return out;339 }340341 let mut out = ContextBuilder::extend(out);342 for (k, v) in globals.iter() {343 out.bind(k.clone(), v.clone());344 }345 out.build()346 }347 #[cfg(feature = "legacy-this-file")]348 fn initialize(&self, s: State, source: Source) -> Context {349 use jrsonnet_evaluator::val::StrValue;350351 let mut builder = ObjValueBuilder::new();352 builder.with_super(self.stdlib_obj.clone());353 builder354 .member("thisFile".into())355 .hide()356 .value(Val::Str(StrValue::Flat(357 match source.source_path().path() {358 Some(p) => self.settings().path_resolver.resolve(p).into(),359 None => source.source_path().to_string().into(),360 },361 )))362 .expect("this object builder is empty");363 let stdlib_with_this_file = builder.build();364365 let mut context = ContextBuilder::with_capacity(s, 1);366 context.bind(367 "std".into(),368 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),369 );370 for (k, v) in self.settings().globals.iter() {371 context.bind(k.clone(), v.clone());372 }373 context.build()374 }375 fn as_any(&self) -> &dyn std::any::Any {376 self377 }378}379380pub trait StateExt {381 382 fn with_stdlib(&self);383 fn add_global(&self, name: IStr, value: Thunk<Val>);384}385386impl StateExt for State {387 fn with_stdlib(&self) {388 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());389 self.settings_mut().context_initializer = tb!(initializer)390 }391 fn add_global(&self, name: IStr, value: Thunk<Val>) {392 self.settings()393 .context_initializer394 .as_any()395 .downcast_ref::<ContextInitializer>()396 .expect("not standard context initializer")397 .settings_mut()398 .globals399 .insert(name, value);400 }401}