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),115 116 ("md5", builtin_md5::INST),117 ("sha256", builtin_sha256::INST),118 ("sha512", builtin_sha512::INST),119 120 ("encodeUTF8", builtin_encode_utf8::INST),121 ("decodeUTF8", builtin_decode_utf8::INST),122 ("base64", builtin_base64::INST),123 ("base64Decode", builtin_base64_decode::INST),124 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),125 126 ("objectFieldsEx", builtin_object_fields_ex::INST),127 ("objectHasEx", builtin_object_has_ex::INST),128 129 ("escapeStringJson", builtin_escape_string_json::INST),130 ("manifestJsonEx", builtin_manifest_json_ex::INST),131 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),132 ("manifestTomlEx", builtin_manifest_toml_ex::INST),133 134 ("parseJson", builtin_parse_json::INST),135 ("parseYaml", builtin_parse_yaml::INST),136 137 ("codepoint", builtin_codepoint::INST),138 ("substr", builtin_substr::INST),139 ("char", builtin_char::INST),140 ("strReplace", builtin_str_replace::INST),141 ("splitLimit", builtin_splitlimit::INST),142 ("asciiUpper", builtin_ascii_upper::INST),143 ("asciiLower", builtin_ascii_lower::INST),144 ("findSubstr", builtin_find_substr::INST),145 ("parseInt", builtin_parse_int::INST),146 #[cfg(feature = "exp-bigint")]147 ("bigint", builtin_bigint::INST),148 ("parseOctal", builtin_parse_octal::INST),149 ("parseHex", builtin_parse_hex::INST),150 151 ("length", builtin_length::INST),152 ("startsWith", builtin_starts_with::INST),153 ("endsWith", builtin_ends_with::INST),154 155 ("setMember", builtin_set_member::INST),156 ("setInter", builtin_set_inter::INST),157 158 ("__compare", builtin___compare::INST),159 ]160 .iter()161 .cloned()162 {163 builder164 .member(name.into())165 .hide()166 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))167 .expect("no conflict");168 }169170 builder171 .member("extVar".into())172 .hide()173 .value(Val::Func(FuncVal::builtin(builtin_ext_var {174 settings: settings.clone(),175 })))176 .expect("no conflict");177 builder178 .member("native".into())179 .hide()180 .value(Val::Func(FuncVal::builtin(builtin_native {181 settings: settings.clone(),182 })))183 .expect("no conflict");184 builder185 .member("trace".into())186 .hide()187 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))188 .expect("no conflict");189190 builder191 .member("id".into())192 .hide()193 .value(Val::Func(FuncVal::Id))194 .expect("no conflict");195196 builder.build()197}198199pub trait TracePrinter {200 fn print_trace(&self, loc: CallLocation, value: IStr);201}202203pub struct StdTracePrinter {204 resolver: PathResolver,205}206impl StdTracePrinter {207 pub fn new(resolver: PathResolver) -> Self {208 Self { resolver }209 }210}211impl TracePrinter for StdTracePrinter {212 fn print_trace(&self, loc: CallLocation, value: IStr) {213 eprint!("TRACE:");214 if let Some(loc) = loc.0 {215 let locs = loc.0.map_source_locations(&[loc.1]);216 eprint!(217 " {}:{}",218 match loc.0.source_path().path() {219 Some(p) => self.resolver.resolve(p),220 None => loc.0.source_path().to_string(),221 },222 locs[0].line223 );224 }225 eprintln!(" {value}");226 }227}228229pub struct Settings {230 231 pub ext_vars: HashMap<IStr, TlaArg>,232 233 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,234 235 pub globals: GcHashMap<IStr, Thunk<Val>>,236 237 pub trace_printer: Box<dyn TracePrinter>,238 239 pub path_resolver: PathResolver,240}241242fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {243 let source_name = format!("<extvar:{name}>");244 Source::new_virtual(source_name.into(), code.into())245}246247#[derive(Trace, Clone)]248pub struct ContextInitializer {249 250 #[cfg(not(feature = "legacy-this-file"))]251 context: Context,252 253 #[cfg(feature = "legacy-this-file")]254 stdlib_obj: ObjValue,255 settings: Rc<RefCell<Settings>>,256}257impl ContextInitializer {258 pub fn new(_s: State, resolver: PathResolver) -> Self {259 let settings = Settings {260 ext_vars: Default::default(),261 ext_natives: Default::default(),262 globals: Default::default(),263 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),264 path_resolver: resolver,265 };266 let settings = Rc::new(RefCell::new(settings));267 Self {268 #[cfg(not(feature = "legacy-this-file"))]269 context: {270 let mut context = ContextBuilder::with_capacity(_s, 1);271 context.bind(272 "std".into(),273 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),274 );275 context.build()276 },277 #[cfg(feature = "legacy-this-file")]278 stdlib_obj: stdlib_uncached(settings.clone()),279 settings,280 }281 }282 pub fn settings(&self) -> Ref<Settings> {283 self.settings.borrow()284 }285 pub fn settings_mut(&self) -> RefMut<Settings> {286 self.settings.borrow_mut()287 }288 pub fn add_ext_var(&self, name: IStr, value: Val) {289 self.settings_mut()290 .ext_vars291 .insert(name, TlaArg::Val(value));292 }293 pub fn add_ext_str(&self, name: IStr, value: IStr) {294 self.settings_mut()295 .ext_vars296 .insert(name, TlaArg::String(value));297 }298 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {299 let code = code.into();300 let source = extvar_source(name, code.clone());301 let parsed = jrsonnet_parser::parse(302 &code,303 &jrsonnet_parser::ParserSettings {304 source: source.clone(),305 },306 )307 .map_err(|e| ImportSyntaxError {308 path: source,309 error: Box::new(e),310 })?;311 312 self.settings_mut()313 .ext_vars314 .insert(name.into(), TlaArg::Code(parsed));315 Ok(())316 }317 pub fn add_native(&self, name: IStr, cb: impl Builtin) {318 self.settings_mut()319 .ext_natives320 .insert(name, Cc::new(tb!(cb)));321 }322}323impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {324 #[cfg(not(feature = "legacy-this-file"))]325 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {326 let out = self.context.clone();327 let globals = &self.settings().globals;328 if globals.is_empty() {329 return out;330 }331332 let mut out = ContextBuilder::extend(out);333 for (k, v) in globals.iter() {334 out.bind(k.clone(), v.clone());335 }336 out.build()337 }338 #[cfg(feature = "legacy-this-file")]339 fn initialize(&self, s: State, source: Source) -> Context {340 use jrsonnet_evaluator::val::StrValue;341342 let mut builder = ObjValueBuilder::new();343 builder.with_super(self.stdlib_obj.clone());344 builder345 .member("thisFile".into())346 .hide()347 .value(Val::Str(StrValue::Flat(348 match source.source_path().path() {349 Some(p) => self.settings().path_resolver.resolve(p).into(),350 None => source.source_path().to_string().into(),351 },352 )))353 .expect("this object builder is empty");354 let stdlib_with_this_file = builder.build();355356 let mut context = ContextBuilder::with_capacity(s, 1);357 context.bind(358 "std".into(),359 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),360 );361 for (k, v) in self.settings().globals.iter() {362 context.bind(k.clone(), v.clone());363 }364 context.build()365 }366 fn as_any(&self) -> &dyn std::any::Any {367 self368 }369}370371pub trait StateExt {372 373 fn with_stdlib(&self);374 fn add_global(&self, name: IStr, value: Thunk<Val>);375}376377impl StateExt for State {378 fn with_stdlib(&self) {379 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());380 self.settings_mut().context_initializer = tb!(initializer)381 }382 fn add_global(&self, name: IStr, value: Thunk<Val>) {383 self.settings()384 .context_initializer385 .as_any()386 .downcast_ref::<ContextInitializer>()387 .expect("not standard context initializer")388 .settings_mut()389 .globals390 .insert(name, value);391 }392}