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 ("modulo", builtin_modulo::INST),90 ("floor", builtin_floor::INST),91 ("ceil", builtin_ceil::INST),92 ("log", builtin_log::INST),93 ("pow", builtin_pow::INST),94 ("sqrt", builtin_sqrt::INST),95 ("sin", builtin_sin::INST),96 ("cos", builtin_cos::INST),97 ("tan", builtin_tan::INST),98 ("asin", builtin_asin::INST),99 ("acos", builtin_acos::INST),100 ("atan", builtin_atan::INST),101 ("exp", builtin_exp::INST),102 ("mantissa", builtin_mantissa::INST),103 ("exponent", builtin_exponent::INST),104 105 ("mod", builtin_mod::INST),106 ("primitiveEquals", builtin_primitive_equals::INST),107 ("equals", builtin_equals::INST),108 ("format", builtin_format::INST),109 110 ("sort", builtin_sort::INST),111 ("uniq", builtin_uniq::INST),112 ("set", builtin_set::INST),113 114 ("md5", builtin_md5::INST),115 #[cfg(feature = "exp-more-hashes")]116 ("sha256", builtin_sha256::INST),117 118 ("encodeUTF8", builtin_encode_utf8::INST),119 ("decodeUTF8", builtin_decode_utf8::INST),120 ("base64", builtin_base64::INST),121 ("base64Decode", builtin_base64_decode::INST),122 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),123 124 ("objectFieldsEx", builtin_object_fields_ex::INST),125 ("objectHasEx", builtin_object_has_ex::INST),126 127 ("escapeStringJson", builtin_escape_string_json::INST),128 ("manifestJsonEx", builtin_manifest_json_ex::INST),129 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),130 ("manifestTomlEx", builtin_manifest_toml_ex::INST),131 132 ("parseJson", builtin_parse_json::INST),133 ("parseYaml", builtin_parse_yaml::INST),134 135 ("codepoint", builtin_codepoint::INST),136 ("substr", builtin_substr::INST),137 ("char", builtin_char::INST),138 ("strReplace", builtin_str_replace::INST),139 ("splitLimit", builtin_splitlimit::INST),140 ("asciiUpper", builtin_ascii_upper::INST),141 ("asciiLower", builtin_ascii_lower::INST),142 ("findSubstr", builtin_find_substr::INST),143 ("parseInt", builtin_parse_int::INST),144 ("parseOctal", builtin_parse_octal::INST),145 ("parseHex", builtin_parse_hex::INST),146 147 ("length", builtin_length::INST),148 ("startsWith", builtin_starts_with::INST),149 ("endsWith", builtin_ends_with::INST),150 151 ("setMember", builtin_set_member::INST),152 ("setInter", builtin_set_inter::INST),153 ]154 .iter()155 .cloned()156 {157 builder158 .member(name.into())159 .hide()160 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))161 .expect("no conflict");162 }163164 builder165 .member("extVar".into())166 .hide()167 .value(Val::Func(FuncVal::builtin(builtin_ext_var {168 settings: settings.clone(),169 })))170 .expect("no conflict");171 builder172 .member("native".into())173 .hide()174 .value(Val::Func(FuncVal::builtin(builtin_native {175 settings: settings.clone(),176 })))177 .expect("no conflict");178 builder179 .member("trace".into())180 .hide()181 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))182 .expect("no conflict");183184 builder185 .member("id".into())186 .hide()187 .value(Val::Func(FuncVal::Id))188 .expect("no conflict");189190 builder.build()191}192193pub trait TracePrinter {194 fn print_trace(&self, loc: CallLocation, value: IStr);195}196197pub struct StdTracePrinter {198 resolver: PathResolver,199}200impl StdTracePrinter {201 pub fn new(resolver: PathResolver) -> Self {202 Self { resolver }203 }204}205impl TracePrinter for StdTracePrinter {206 fn print_trace(&self, loc: CallLocation, value: IStr) {207 eprint!("TRACE:");208 if let Some(loc) = loc.0 {209 let locs = loc.0.map_source_locations(&[loc.1]);210 eprint!(211 " {}:{}",212 match loc.0.source_path().path() {213 Some(p) => self.resolver.resolve(p),214 None => loc.0.source_path().to_string(),215 },216 locs[0].line217 );218 }219 eprintln!(" {value}");220 }221}222223pub struct Settings {224 225 pub ext_vars: HashMap<IStr, TlaArg>,226 227 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,228 229 pub globals: GcHashMap<IStr, Thunk<Val>>,230 231 pub trace_printer: Box<dyn TracePrinter>,232 233 pub path_resolver: PathResolver,234}235236fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {237 let source_name = format!("<extvar:{name}>");238 Source::new_virtual(source_name.into(), code.into())239}240241#[derive(Trace, Clone)]242pub struct ContextInitializer {243 244 #[cfg(not(feature = "legacy-this-file"))]245 context: Context,246 247 #[cfg(feature = "legacy-this-file")]248 stdlib_obj: ObjValue,249 settings: Rc<RefCell<Settings>>,250}251impl ContextInitializer {252 pub fn new(_s: State, resolver: PathResolver) -> Self {253 let settings = Settings {254 ext_vars: Default::default(),255 ext_natives: Default::default(),256 globals: Default::default(),257 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),258 path_resolver: resolver,259 };260 let settings = Rc::new(RefCell::new(settings));261 Self {262 #[cfg(not(feature = "legacy-this-file"))]263 context: {264 let mut context = ContextBuilder::with_capacity(_s, 1);265 context.bind(266 "std".into(),267 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),268 );269 context.build()270 },271 #[cfg(feature = "legacy-this-file")]272 stdlib_obj: stdlib_uncached(settings.clone()),273 settings,274 }275 }276 pub fn settings(&self) -> Ref<Settings> {277 self.settings.borrow()278 }279 pub fn settings_mut(&self) -> RefMut<Settings> {280 self.settings.borrow_mut()281 }282 pub fn add_ext_var(&self, name: IStr, value: Val) {283 self.settings_mut()284 .ext_vars285 .insert(name, TlaArg::Val(value));286 }287 pub fn add_ext_str(&self, name: IStr, value: IStr) {288 self.settings_mut()289 .ext_vars290 .insert(name, TlaArg::String(value));291 }292 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {293 let code = code.into();294 let source = extvar_source(name, code.clone());295 let parsed = jrsonnet_parser::parse(296 &code,297 &jrsonnet_parser::ParserSettings {298 source: source.clone(),299 },300 )301 .map_err(|e| ImportSyntaxError {302 path: source,303 error: Box::new(e),304 })?;305 306 self.settings_mut()307 .ext_vars308 .insert(name.into(), TlaArg::Code(parsed));309 Ok(())310 }311 pub fn add_native(&self, name: IStr, cb: impl Builtin) {312 self.settings_mut()313 .ext_natives314 .insert(name, Cc::new(tb!(cb)));315 }316}317impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {318 #[cfg(not(feature = "legacy-this-file"))]319 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {320 let out = self.context.clone();321 let globals = &self.settings().globals;322 if globals.is_empty() {323 return out;324 }325326 let mut out = ContextBuilder::extend(out);327 for (k, v) in globals.iter() {328 out.bind(k.clone(), v.clone());329 }330 out.build()331 }332 #[cfg(feature = "legacy-this-file")]333 fn initialize(&self, s: State, source: Source) -> Context {334 use jrsonnet_evaluator::val::StrValue;335336 let mut builder = ObjValueBuilder::new();337 builder.with_super(self.stdlib_obj.clone());338 builder339 .member("thisFile".into())340 .hide()341 .value(Val::Str(StrValue::Flat(342 match source.source_path().path() {343 Some(p) => self.settings().path_resolver.resolve(p).into(),344 None => source.source_path().to_string().into(),345 },346 )))347 .expect("this object builder is empty");348 let stdlib_with_this_file = builder.build();349350 let mut context = ContextBuilder::with_capacity(s, 1);351 context.bind(352 "std".into(),353 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),354 );355 for (k, v) in self.settings().globals.iter() {356 context.bind(k.clone(), v.clone());357 }358 context.build()359 }360 fn as_any(&self) -> &dyn std::any::Any {361 self362 }363}364365pub trait StateExt {366 367 fn with_stdlib(&self);368 fn add_global(&self, name: IStr, value: Thunk<Val>);369}370371impl StateExt for State {372 fn with_stdlib(&self) {373 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());374 self.settings_mut().context_initializer = tb!(initializer)375 }376 fn add_global(&self, name: IStr, value: Thunk<Val>) {377 self.settings()378 .context_initializer379 .as_any()380 .downcast_ref::<ContextInitializer>()381 .expect("not standard context initializer")382 .settings_mut()383 .globals384 .insert(name, value);385 }386}