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 ("removeAt", builtin_remove_at::INST),87 ("remove", builtin_remove::INST),88 89 ("abs", builtin_abs::INST),90 ("sign", builtin_sign::INST),91 ("max", builtin_max::INST),92 ("min", builtin_min::INST),93 ("sum", builtin_sum::INST),94 ("modulo", builtin_modulo::INST),95 ("floor", builtin_floor::INST),96 ("ceil", builtin_ceil::INST),97 ("log", builtin_log::INST),98 ("pow", builtin_pow::INST),99 ("sqrt", builtin_sqrt::INST),100 ("sin", builtin_sin::INST),101 ("cos", builtin_cos::INST),102 ("tan", builtin_tan::INST),103 ("asin", builtin_asin::INST),104 ("acos", builtin_acos::INST),105 ("atan", builtin_atan::INST),106 ("exp", builtin_exp::INST),107 ("mantissa", builtin_mantissa::INST),108 ("exponent", builtin_exponent::INST),109 ("round", builtin_round::INST),110 ("isEven", builtin_is_even::INST),111 ("isOdd", builtin_is_odd::INST),112 ("isInteger", builtin_is_integer::INST),113 ("isDecimal", builtin_is_decimal::INST),114 115 ("mod", builtin_mod::INST),116 ("primitiveEquals", builtin_primitive_equals::INST),117 ("equals", builtin_equals::INST),118 ("xor", builtin_xor::INST),119 ("xnor", builtin_xnor::INST),120 ("format", builtin_format::INST),121 122 ("sort", builtin_sort::INST),123 ("uniq", builtin_uniq::INST),124 ("set", builtin_set::INST),125 ("minArray", builtin_min_array::INST),126 ("maxArray", builtin_max_array::INST),127 128 ("md5", builtin_md5::INST),129 ("sha1", builtin_sha1::INST),130 ("sha256", builtin_sha256::INST),131 ("sha512", builtin_sha512::INST),132 ("sha3", builtin_sha3::INST),133 134 ("encodeUTF8", builtin_encode_utf8::INST),135 ("decodeUTF8", builtin_decode_utf8::INST),136 ("base64", builtin_base64::INST),137 ("base64Decode", builtin_base64_decode::INST),138 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),139 140 ("objectFieldsEx", builtin_object_fields_ex::INST),141 ("objectHasEx", builtin_object_has_ex::INST),142 143 ("escapeStringJson", builtin_escape_string_json::INST),144 ("manifestJsonEx", builtin_manifest_json_ex::INST),145 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),146 ("manifestTomlEx", builtin_manifest_toml_ex::INST),147 148 ("parseJson", builtin_parse_json::INST),149 ("parseYaml", builtin_parse_yaml::INST),150 151 ("codepoint", builtin_codepoint::INST),152 ("substr", builtin_substr::INST),153 ("char", builtin_char::INST),154 ("strReplace", builtin_str_replace::INST),155 ("isEmpty", builtin_is_empty::INST),156 ("equalsIgnoreCase", builtin_equals_ignore_case::INST),157 ("splitLimit", builtin_splitlimit::INST),158 ("asciiUpper", builtin_ascii_upper::INST),159 ("asciiLower", builtin_ascii_lower::INST),160 ("findSubstr", builtin_find_substr::INST),161 ("parseInt", builtin_parse_int::INST),162 #[cfg(feature = "exp-bigint")]163 ("bigint", builtin_bigint::INST),164 ("parseOctal", builtin_parse_octal::INST),165 ("parseHex", builtin_parse_hex::INST),166 167 ("length", builtin_length::INST),168 ("startsWith", builtin_starts_with::INST),169 ("endsWith", builtin_ends_with::INST),170 171 ("setMember", builtin_set_member::INST),172 ("setInter", builtin_set_inter::INST),173 174 ("__compare", builtin___compare::INST),175 ]176 .iter()177 .cloned()178 {179 builder180 .member(name.into())181 .hide()182 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))183 .expect("no conflict");184 }185186 builder187 .member("extVar".into())188 .hide()189 .value(Val::Func(FuncVal::builtin(builtin_ext_var {190 settings: settings.clone(),191 })))192 .expect("no conflict");193 builder194 .member("native".into())195 .hide()196 .value(Val::Func(FuncVal::builtin(builtin_native {197 settings: settings.clone(),198 })))199 .expect("no conflict");200 builder201 .member("trace".into())202 .hide()203 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))204 .expect("no conflict");205206 builder207 .member("id".into())208 .hide()209 .value(Val::Func(FuncVal::Id))210 .expect("no conflict");211212 builder.build()213}214215pub trait TracePrinter {216 fn print_trace(&self, loc: CallLocation, value: IStr);217}218219pub struct StdTracePrinter {220 resolver: PathResolver,221}222impl StdTracePrinter {223 pub fn new(resolver: PathResolver) -> Self {224 Self { resolver }225 }226}227impl TracePrinter for StdTracePrinter {228 fn print_trace(&self, loc: CallLocation, value: IStr) {229 eprint!("TRACE:");230 if let Some(loc) = loc.0 {231 let locs = loc.0.map_source_locations(&[loc.1]);232 eprint!(233 " {}:{}",234 match loc.0.source_path().path() {235 Some(p) => self.resolver.resolve(p),236 None => loc.0.source_path().to_string(),237 },238 locs[0].line239 );240 }241 eprintln!(" {value}");242 }243}244245pub struct Settings {246 247 pub ext_vars: HashMap<IStr, TlaArg>,248 249 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,250 251 pub globals: GcHashMap<IStr, Thunk<Val>>,252 253 pub trace_printer: Box<dyn TracePrinter>,254 255 pub path_resolver: PathResolver,256}257258fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {259 let source_name = format!("<extvar:{name}>");260 Source::new_virtual(source_name.into(), code.into())261}262263#[derive(Trace, Clone)]264pub struct ContextInitializer {265 266 #[cfg(not(feature = "legacy-this-file"))]267 context: Context,268 269 #[cfg(feature = "legacy-this-file")]270 stdlib_obj: ObjValue,271 settings: Rc<RefCell<Settings>>,272}273impl ContextInitializer {274 pub fn new(_s: State, resolver: PathResolver) -> Self {275 let settings = Settings {276 ext_vars: Default::default(),277 ext_natives: Default::default(),278 globals: Default::default(),279 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),280 path_resolver: resolver,281 };282 let settings = Rc::new(RefCell::new(settings));283 Self {284 #[cfg(not(feature = "legacy-this-file"))]285 context: {286 let mut context = ContextBuilder::with_capacity(_s, 1);287 context.bind(288 "std".into(),289 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),290 );291 context.build()292 },293 #[cfg(feature = "legacy-this-file")]294 stdlib_obj: stdlib_uncached(settings.clone()),295 settings,296 }297 }298 pub fn settings(&self) -> Ref<Settings> {299 self.settings.borrow()300 }301 pub fn settings_mut(&self) -> RefMut<Settings> {302 self.settings.borrow_mut()303 }304 pub fn add_ext_var(&self, name: IStr, value: Val) {305 self.settings_mut()306 .ext_vars307 .insert(name, TlaArg::Val(value));308 }309 pub fn add_ext_str(&self, name: IStr, value: IStr) {310 self.settings_mut()311 .ext_vars312 .insert(name, TlaArg::String(value));313 }314 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {315 let code = code.into();316 let source = extvar_source(name, code.clone());317 let parsed = jrsonnet_parser::parse(318 &code,319 &jrsonnet_parser::ParserSettings {320 source: source.clone(),321 },322 )323 .map_err(|e| ImportSyntaxError {324 path: source,325 error: Box::new(e),326 })?;327 328 self.settings_mut()329 .ext_vars330 .insert(name.into(), TlaArg::Code(parsed));331 Ok(())332 }333 pub fn add_native(&self, name: IStr, cb: impl Builtin) {334 self.settings_mut()335 .ext_natives336 .insert(name, Cc::new(tb!(cb)));337 }338}339impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {340 #[cfg(not(feature = "legacy-this-file"))]341 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {342 let out = self.context.clone();343 let globals = &self.settings().globals;344 if globals.is_empty() {345 return out;346 }347348 let mut out = ContextBuilder::extend(out);349 for (k, v) in globals.iter() {350 out.bind(k.clone(), v.clone());351 }352 out.build()353 }354 #[cfg(feature = "legacy-this-file")]355 fn initialize(&self, s: State, source: Source) -> Context {356 use jrsonnet_evaluator::val::StrValue;357358 let mut builder = ObjValueBuilder::new();359 builder.with_super(self.stdlib_obj.clone());360 builder361 .member("thisFile".into())362 .hide()363 .value(Val::Str(StrValue::Flat(364 match source.source_path().path() {365 Some(p) => self.settings().path_resolver.resolve(p).into(),366 None => source.source_path().to_string().into(),367 },368 )))369 .expect("this object builder is empty");370 let stdlib_with_this_file = builder.build();371372 let mut context = ContextBuilder::with_capacity(s, 1);373 context.bind(374 "std".into(),375 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),376 );377 for (k, v) in self.settings().globals.iter() {378 context.bind(k.clone(), v.clone());379 }380 context.build()381 }382 fn as_any(&self) -> &dyn std::any::Any {383 self384 }385}386387pub trait StateExt {388 389 fn with_stdlib(&self);390 fn add_global(&self, name: IStr, value: Thunk<Val>);391}392393impl StateExt for State {394 fn with_stdlib(&self) {395 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());396 self.settings_mut().context_initializer = tb!(initializer)397 }398 fn add_global(&self, name: IStr, value: Thunk<Val>) {399 self.settings()400 .context_initializer401 .as_any()402 .downcast_ref::<ContextInitializer>()403 .expect("not standard context initializer")404 .settings_mut()405 .globals406 .insert(name, value);407 }408}