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 ("count", builtin_count::INST),84 85 ("abs", builtin_abs::INST),86 ("sign", builtin_sign::INST),87 ("max", builtin_max::INST),88 ("min", builtin_min::INST),89 ("sum", builtin_sum::INST),90 ("modulo", builtin_modulo::INST),91 ("floor", builtin_floor::INST),92 ("ceil", builtin_ceil::INST),93 ("log", builtin_log::INST),94 ("pow", builtin_pow::INST),95 ("sqrt", builtin_sqrt::INST),96 ("sin", builtin_sin::INST),97 ("cos", builtin_cos::INST),98 ("tan", builtin_tan::INST),99 ("asin", builtin_asin::INST),100 ("acos", builtin_acos::INST),101 ("atan", builtin_atan::INST),102 ("exp", builtin_exp::INST),103 ("mantissa", builtin_mantissa::INST),104 ("exponent", builtin_exponent::INST),105 106 ("mod", builtin_mod::INST),107 ("primitiveEquals", builtin_primitive_equals::INST),108 ("equals", builtin_equals::INST),109 ("xor", builtin_xor::INST),110 ("format", builtin_format::INST),111 112 ("sort", builtin_sort::INST),113 ("uniq", builtin_uniq::INST),114 ("set", builtin_set::INST),115 ("minArray", builtin_min_array::INST),116 ("maxArray", builtin_max_array::INST),117 118 ("md5", builtin_md5::INST),119 ("sha256", builtin_sha256::INST),120 ("sha512", builtin_sha512::INST),121 122 ("encodeUTF8", builtin_encode_utf8::INST),123 ("decodeUTF8", builtin_decode_utf8::INST),124 ("base64", builtin_base64::INST),125 ("base64Decode", builtin_base64_decode::INST),126 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),127 128 ("objectFieldsEx", builtin_object_fields_ex::INST),129 ("objectHasEx", builtin_object_has_ex::INST),130 131 ("escapeStringJson", builtin_escape_string_json::INST),132 ("manifestJsonEx", builtin_manifest_json_ex::INST),133 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),134 ("manifestTomlEx", builtin_manifest_toml_ex::INST),135 136 ("parseJson", builtin_parse_json::INST),137 ("parseYaml", builtin_parse_yaml::INST),138 139 ("codepoint", builtin_codepoint::INST),140 ("substr", builtin_substr::INST),141 ("char", builtin_char::INST),142 ("strReplace", builtin_str_replace::INST),143 ("splitLimit", builtin_splitlimit::INST),144 ("asciiUpper", builtin_ascii_upper::INST),145 ("asciiLower", builtin_ascii_lower::INST),146 ("findSubstr", builtin_find_substr::INST),147 ("parseInt", builtin_parse_int::INST),148 #[cfg(feature = "exp-bigint")]149 ("bigint", builtin_bigint::INST),150 ("parseOctal", builtin_parse_octal::INST),151 ("parseHex", builtin_parse_hex::INST),152 153 ("length", builtin_length::INST),154 ("startsWith", builtin_starts_with::INST),155 ("endsWith", builtin_ends_with::INST),156 157 ("setMember", builtin_set_member::INST),158 ("setInter", builtin_set_inter::INST),159 160 ("__compare", builtin___compare::INST),161 ]162 .iter()163 .cloned()164 {165 builder166 .member(name.into())167 .hide()168 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))169 .expect("no conflict");170 }171172 builder173 .member("extVar".into())174 .hide()175 .value(Val::Func(FuncVal::builtin(builtin_ext_var {176 settings: settings.clone(),177 })))178 .expect("no conflict");179 builder180 .member("native".into())181 .hide()182 .value(Val::Func(FuncVal::builtin(builtin_native {183 settings: settings.clone(),184 })))185 .expect("no conflict");186 builder187 .member("trace".into())188 .hide()189 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))190 .expect("no conflict");191192 builder193 .member("id".into())194 .hide()195 .value(Val::Func(FuncVal::Id))196 .expect("no conflict");197198 builder.build()199}200201pub trait TracePrinter {202 fn print_trace(&self, loc: CallLocation, value: IStr);203}204205pub struct StdTracePrinter {206 resolver: PathResolver,207}208impl StdTracePrinter {209 pub fn new(resolver: PathResolver) -> Self {210 Self { resolver }211 }212}213impl TracePrinter for StdTracePrinter {214 fn print_trace(&self, loc: CallLocation, value: IStr) {215 eprint!("TRACE:");216 if let Some(loc) = loc.0 {217 let locs = loc.0.map_source_locations(&[loc.1]);218 eprint!(219 " {}:{}",220 match loc.0.source_path().path() {221 Some(p) => self.resolver.resolve(p),222 None => loc.0.source_path().to_string(),223 },224 locs[0].line225 );226 }227 eprintln!(" {value}");228 }229}230231pub struct Settings {232 233 pub ext_vars: HashMap<IStr, TlaArg>,234 235 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,236 237 pub globals: GcHashMap<IStr, Thunk<Val>>,238 239 pub trace_printer: Box<dyn TracePrinter>,240 241 pub path_resolver: PathResolver,242}243244fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {245 let source_name = format!("<extvar:{name}>");246 Source::new_virtual(source_name.into(), code.into())247}248249#[derive(Trace, Clone)]250pub struct ContextInitializer {251 252 #[cfg(not(feature = "legacy-this-file"))]253 context: Context,254 255 #[cfg(feature = "legacy-this-file")]256 stdlib_obj: ObjValue,257 settings: Rc<RefCell<Settings>>,258}259impl ContextInitializer {260 pub fn new(_s: State, resolver: PathResolver) -> Self {261 let settings = Settings {262 ext_vars: Default::default(),263 ext_natives: Default::default(),264 globals: Default::default(),265 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),266 path_resolver: resolver,267 };268 let settings = Rc::new(RefCell::new(settings));269 Self {270 #[cfg(not(feature = "legacy-this-file"))]271 context: {272 let mut context = ContextBuilder::with_capacity(_s, 1);273 context.bind(274 "std".into(),275 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),276 );277 context.build()278 },279 #[cfg(feature = "legacy-this-file")]280 stdlib_obj: stdlib_uncached(settings.clone()),281 settings,282 }283 }284 pub fn settings(&self) -> Ref<Settings> {285 self.settings.borrow()286 }287 pub fn settings_mut(&self) -> RefMut<Settings> {288 self.settings.borrow_mut()289 }290 pub fn add_ext_var(&self, name: IStr, value: Val) {291 self.settings_mut()292 .ext_vars293 .insert(name, TlaArg::Val(value));294 }295 pub fn add_ext_str(&self, name: IStr, value: IStr) {296 self.settings_mut()297 .ext_vars298 .insert(name, TlaArg::String(value));299 }300 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {301 let code = code.into();302 let source = extvar_source(name, code.clone());303 let parsed = jrsonnet_parser::parse(304 &code,305 &jrsonnet_parser::ParserSettings {306 source: source.clone(),307 },308 )309 .map_err(|e| ImportSyntaxError {310 path: source,311 error: Box::new(e),312 })?;313 314 self.settings_mut()315 .ext_vars316 .insert(name.into(), TlaArg::Code(parsed));317 Ok(())318 }319 pub fn add_native(&self, name: IStr, cb: impl Builtin) {320 self.settings_mut()321 .ext_natives322 .insert(name, Cc::new(tb!(cb)));323 }324}325impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {326 #[cfg(not(feature = "legacy-this-file"))]327 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {328 let out = self.context.clone();329 let globals = &self.settings().globals;330 if globals.is_empty() {331 return out;332 }333334 let mut out = ContextBuilder::extend(out);335 for (k, v) in globals.iter() {336 out.bind(k.clone(), v.clone());337 }338 out.build()339 }340 #[cfg(feature = "legacy-this-file")]341 fn initialize(&self, s: State, source: Source) -> Context {342 use jrsonnet_evaluator::val::StrValue;343344 let mut builder = ObjValueBuilder::new();345 builder.with_super(self.stdlib_obj.clone());346 builder347 .member("thisFile".into())348 .hide()349 .value(Val::Str(StrValue::Flat(350 match source.source_path().path() {351 Some(p) => self.settings().path_resolver.resolve(p).into(),352 None => source.source_path().to_string().into(),353 },354 )))355 .expect("this object builder is empty");356 let stdlib_with_this_file = builder.build();357358 let mut context = ContextBuilder::with_capacity(s, 1);359 context.bind(360 "std".into(),361 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),362 );363 for (k, v) in self.settings().globals.iter() {364 context.bind(k.clone(), v.clone());365 }366 context.build()367 }368 fn as_any(&self) -> &dyn std::any::Any {369 self370 }371}372373pub trait StateExt {374 375 fn with_stdlib(&self);376 fn add_global(&self, name: IStr, value: Thunk<Val>);377}378379impl StateExt for State {380 fn with_stdlib(&self) {381 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());382 self.settings_mut().context_initializer = tb!(initializer)383 }384 fn add_global(&self, name: IStr, value: Thunk<Val>) {385 self.settings()386 .context_initializer387 .as_any()388 .downcast_ref::<ContextInitializer>()389 .expect("not standard context initializer")390 .settings_mut()391 .globals392 .insert(name, value);393 }394}