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 #[cfg(feature = "exp-more-hashes")]118 ("sha256", builtin_sha256::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 ("parseOctal", builtin_parse_octal::INST),147 ("parseHex", builtin_parse_hex::INST),148 149 ("length", builtin_length::INST),150 ("startsWith", builtin_starts_with::INST),151 ("endsWith", builtin_ends_with::INST),152 153 ("setMember", builtin_set_member::INST),154 ("setInter", builtin_set_inter::INST),155 156 ("__compare", builtin___compare::INST),157 ]158 .iter()159 .cloned()160 {161 builder162 .member(name.into())163 .hide()164 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))165 .expect("no conflict");166 }167168 builder169 .member("extVar".into())170 .hide()171 .value(Val::Func(FuncVal::builtin(builtin_ext_var {172 settings: settings.clone(),173 })))174 .expect("no conflict");175 builder176 .member("native".into())177 .hide()178 .value(Val::Func(FuncVal::builtin(builtin_native {179 settings: settings.clone(),180 })))181 .expect("no conflict");182 builder183 .member("trace".into())184 .hide()185 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))186 .expect("no conflict");187188 builder189 .member("id".into())190 .hide()191 .value(Val::Func(FuncVal::Id))192 .expect("no conflict");193194 builder.build()195}196197pub trait TracePrinter {198 fn print_trace(&self, loc: CallLocation, value: IStr);199}200201pub struct StdTracePrinter {202 resolver: PathResolver,203}204impl StdTracePrinter {205 pub fn new(resolver: PathResolver) -> Self {206 Self { resolver }207 }208}209impl TracePrinter for StdTracePrinter {210 fn print_trace(&self, loc: CallLocation, value: IStr) {211 eprint!("TRACE:");212 if let Some(loc) = loc.0 {213 let locs = loc.0.map_source_locations(&[loc.1]);214 eprint!(215 " {}:{}",216 match loc.0.source_path().path() {217 Some(p) => self.resolver.resolve(p),218 None => loc.0.source_path().to_string(),219 },220 locs[0].line221 );222 }223 eprintln!(" {value}");224 }225}226227pub struct Settings {228 229 pub ext_vars: HashMap<IStr, TlaArg>,230 231 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,232 233 pub globals: GcHashMap<IStr, Thunk<Val>>,234 235 pub trace_printer: Box<dyn TracePrinter>,236 237 pub path_resolver: PathResolver,238}239240fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {241 let source_name = format!("<extvar:{name}>");242 Source::new_virtual(source_name.into(), code.into())243}244245#[derive(Trace, Clone)]246pub struct ContextInitializer {247 248 #[cfg(not(feature = "legacy-this-file"))]249 context: Context,250 251 #[cfg(feature = "legacy-this-file")]252 stdlib_obj: ObjValue,253 settings: Rc<RefCell<Settings>>,254}255impl ContextInitializer {256 pub fn new(_s: State, resolver: PathResolver) -> Self {257 let settings = Settings {258 ext_vars: Default::default(),259 ext_natives: Default::default(),260 globals: Default::default(),261 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),262 path_resolver: resolver,263 };264 let settings = Rc::new(RefCell::new(settings));265 Self {266 #[cfg(not(feature = "legacy-this-file"))]267 context: {268 let mut context = ContextBuilder::with_capacity(_s, 1);269 context.bind(270 "std".into(),271 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),272 );273 context.build()274 },275 #[cfg(feature = "legacy-this-file")]276 stdlib_obj: stdlib_uncached(settings.clone()),277 settings,278 }279 }280 pub fn settings(&self) -> Ref<Settings> {281 self.settings.borrow()282 }283 pub fn settings_mut(&self) -> RefMut<Settings> {284 self.settings.borrow_mut()285 }286 pub fn add_ext_var(&self, name: IStr, value: Val) {287 self.settings_mut()288 .ext_vars289 .insert(name, TlaArg::Val(value));290 }291 pub fn add_ext_str(&self, name: IStr, value: IStr) {292 self.settings_mut()293 .ext_vars294 .insert(name, TlaArg::String(value));295 }296 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {297 let code = code.into();298 let source = extvar_source(name, code.clone());299 let parsed = jrsonnet_parser::parse(300 &code,301 &jrsonnet_parser::ParserSettings {302 source: source.clone(),303 },304 )305 .map_err(|e| ImportSyntaxError {306 path: source,307 error: Box::new(e),308 })?;309 310 self.settings_mut()311 .ext_vars312 .insert(name.into(), TlaArg::Code(parsed));313 Ok(())314 }315 pub fn add_native(&self, name: IStr, cb: impl Builtin) {316 self.settings_mut()317 .ext_natives318 .insert(name, Cc::new(tb!(cb)));319 }320}321impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {322 #[cfg(not(feature = "legacy-this-file"))]323 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {324 let out = self.context.clone();325 let globals = &self.settings().globals;326 if globals.is_empty() {327 return out;328 }329330 let mut out = ContextBuilder::extend(out);331 for (k, v) in globals.iter() {332 out.bind(k.clone(), v.clone());333 }334 out.build()335 }336 #[cfg(feature = "legacy-this-file")]337 fn initialize(&self, s: State, source: Source) -> Context {338 use jrsonnet_evaluator::val::StrValue;339340 let mut builder = ObjValueBuilder::new();341 builder.with_super(self.stdlib_obj.clone());342 builder343 .member("thisFile".into())344 .hide()345 .value(Val::Str(StrValue::Flat(346 match source.source_path().path() {347 Some(p) => self.settings().path_resolver.resolve(p).into(),348 None => source.source_path().to_string().into(),349 },350 )))351 .expect("this object builder is empty");352 let stdlib_with_this_file = builder.build();353354 let mut context = ContextBuilder::with_capacity(s, 1);355 context.bind(356 "std".into(),357 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),358 );359 for (k, v) in self.settings().globals.iter() {360 context.bind(k.clone(), v.clone());361 }362 context.build()363 }364 fn as_any(&self) -> &dyn std::any::Any {365 self366 }367}368369pub trait StateExt {370 371 fn with_stdlib(&self);372 fn add_global(&self, name: IStr, value: Thunk<Val>);373}374375impl StateExt for State {376 fn with_stdlib(&self) {377 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());378 self.settings_mut().context_initializer = tb!(initializer)379 }380 fn add_global(&self, name: IStr, value: Thunk<Val>) {381 self.settings()382 .context_initializer383 .as_any()384 .downcast_ref::<ContextInitializer>()385 .expect("not standard context initializer")386 .settings_mut()387 .globals388 .insert(name, value);389 }390}