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),118 119 ("encodeUTF8", builtin_encode_utf8::INST),120 ("decodeUTF8", builtin_decode_utf8::INST),121 ("base64", builtin_base64::INST),122 ("base64Decode", builtin_base64_decode::INST),123 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),124 125 ("objectFieldsEx", builtin_object_fields_ex::INST),126 ("objectHasEx", builtin_object_has_ex::INST),127 128 ("escapeStringJson", builtin_escape_string_json::INST),129 ("manifestJsonEx", builtin_manifest_json_ex::INST),130 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),131 ("manifestTomlEx", builtin_manifest_toml_ex::INST),132 133 ("parseJson", builtin_parse_json::INST),134 ("parseYaml", builtin_parse_yaml::INST),135 136 ("codepoint", builtin_codepoint::INST),137 ("substr", builtin_substr::INST),138 ("char", builtin_char::INST),139 ("strReplace", builtin_str_replace::INST),140 ("splitLimit", builtin_splitlimit::INST),141 ("asciiUpper", builtin_ascii_upper::INST),142 ("asciiLower", builtin_ascii_lower::INST),143 ("findSubstr", builtin_find_substr::INST),144 ("parseInt", builtin_parse_int::INST),145 #[cfg(feature = "exp-bigint")]146 ("bigint", builtin_bigint::INST),147 ("parseOctal", builtin_parse_octal::INST),148 ("parseHex", builtin_parse_hex::INST),149 150 ("length", builtin_length::INST),151 ("startsWith", builtin_starts_with::INST),152 ("endsWith", builtin_ends_with::INST),153 154 ("setMember", builtin_set_member::INST),155 ("setInter", builtin_set_inter::INST),156 157 ("__compare", builtin___compare::INST),158 ]159 .iter()160 .cloned()161 {162 builder163 .member(name.into())164 .hide()165 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))166 .expect("no conflict");167 }168169 builder170 .member("extVar".into())171 .hide()172 .value(Val::Func(FuncVal::builtin(builtin_ext_var {173 settings: settings.clone(),174 })))175 .expect("no conflict");176 builder177 .member("native".into())178 .hide()179 .value(Val::Func(FuncVal::builtin(builtin_native {180 settings: settings.clone(),181 })))182 .expect("no conflict");183 builder184 .member("trace".into())185 .hide()186 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))187 .expect("no conflict");188189 builder190 .member("id".into())191 .hide()192 .value(Val::Func(FuncVal::Id))193 .expect("no conflict");194195 builder.build()196}197198pub trait TracePrinter {199 fn print_trace(&self, loc: CallLocation, value: IStr);200}201202pub struct StdTracePrinter {203 resolver: PathResolver,204}205impl StdTracePrinter {206 pub fn new(resolver: PathResolver) -> Self {207 Self { resolver }208 }209}210impl TracePrinter for StdTracePrinter {211 fn print_trace(&self, loc: CallLocation, value: IStr) {212 eprint!("TRACE:");213 if let Some(loc) = loc.0 {214 let locs = loc.0.map_source_locations(&[loc.1]);215 eprint!(216 " {}:{}",217 match loc.0.source_path().path() {218 Some(p) => self.resolver.resolve(p),219 None => loc.0.source_path().to_string(),220 },221 locs[0].line222 );223 }224 eprintln!(" {value}");225 }226}227228pub struct Settings {229 230 pub ext_vars: HashMap<IStr, TlaArg>,231 232 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,233 234 pub globals: GcHashMap<IStr, Thunk<Val>>,235 236 pub trace_printer: Box<dyn TracePrinter>,237 238 pub path_resolver: PathResolver,239}240241fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {242 let source_name = format!("<extvar:{name}>");243 Source::new_virtual(source_name.into(), code.into())244}245246#[derive(Trace, Clone)]247pub struct ContextInitializer {248 249 #[cfg(not(feature = "legacy-this-file"))]250 context: Context,251 252 #[cfg(feature = "legacy-this-file")]253 stdlib_obj: ObjValue,254 settings: Rc<RefCell<Settings>>,255}256impl ContextInitializer {257 pub fn new(_s: State, resolver: PathResolver) -> Self {258 let settings = Settings {259 ext_vars: Default::default(),260 ext_natives: Default::default(),261 globals: Default::default(),262 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),263 path_resolver: resolver,264 };265 let settings = Rc::new(RefCell::new(settings));266 Self {267 #[cfg(not(feature = "legacy-this-file"))]268 context: {269 let mut context = ContextBuilder::with_capacity(_s, 1);270 context.bind(271 "std".into(),272 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),273 );274 context.build()275 },276 #[cfg(feature = "legacy-this-file")]277 stdlib_obj: stdlib_uncached(settings.clone()),278 settings,279 }280 }281 pub fn settings(&self) -> Ref<Settings> {282 self.settings.borrow()283 }284 pub fn settings_mut(&self) -> RefMut<Settings> {285 self.settings.borrow_mut()286 }287 pub fn add_ext_var(&self, name: IStr, value: Val) {288 self.settings_mut()289 .ext_vars290 .insert(name, TlaArg::Val(value));291 }292 pub fn add_ext_str(&self, name: IStr, value: IStr) {293 self.settings_mut()294 .ext_vars295 .insert(name, TlaArg::String(value));296 }297 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {298 let code = code.into();299 let source = extvar_source(name, code.clone());300 let parsed = jrsonnet_parser::parse(301 &code,302 &jrsonnet_parser::ParserSettings {303 source: source.clone(),304 },305 )306 .map_err(|e| ImportSyntaxError {307 path: source,308 error: Box::new(e),309 })?;310 311 self.settings_mut()312 .ext_vars313 .insert(name.into(), TlaArg::Code(parsed));314 Ok(())315 }316 pub fn add_native(&self, name: IStr, cb: impl Builtin) {317 self.settings_mut()318 .ext_natives319 .insert(name, Cc::new(tb!(cb)));320 }321}322impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {323 #[cfg(not(feature = "legacy-this-file"))]324 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {325 let out = self.context.clone();326 let globals = &self.settings().globals;327 if globals.is_empty() {328 return out;329 }330331 let mut out = ContextBuilder::extend(out);332 for (k, v) in globals.iter() {333 out.bind(k.clone(), v.clone());334 }335 out.build()336 }337 #[cfg(feature = "legacy-this-file")]338 fn initialize(&self, s: State, source: Source) -> Context {339 use jrsonnet_evaluator::val::StrValue;340341 let mut builder = ObjValueBuilder::new();342 builder.with_super(self.stdlib_obj.clone());343 builder344 .member("thisFile".into())345 .hide()346 .value(Val::Str(StrValue::Flat(347 match source.source_path().path() {348 Some(p) => self.settings().path_resolver.resolve(p).into(),349 None => source.source_path().to_string().into(),350 },351 )))352 .expect("this object builder is empty");353 let stdlib_with_this_file = builder.build();354355 let mut context = ContextBuilder::with_capacity(s, 1);356 context.bind(357 "std".into(),358 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),359 );360 for (k, v) in self.settings().globals.iter() {361 context.bind(k.clone(), v.clone());362 }363 context.build()364 }365 fn as_any(&self) -> &dyn std::any::Any {366 self367 }368}369370pub trait StateExt {371 372 fn with_stdlib(&self);373 fn add_global(&self, name: IStr, value: Thunk<Val>);374}375376impl StateExt for State {377 fn with_stdlib(&self) {378 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());379 self.settings_mut().context_initializer = tb!(initializer)380 }381 fn add_global(&self, name: IStr, value: Thunk<Val>) {382 self.settings()383 .context_initializer384 .as_any()385 .downcast_ref::<ContextInitializer>()386 .expect("not standard context initializer")387 .settings_mut()388 .globals389 .insert(name, value);390 }391}