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 ("xor", builtin_xor::INST),109 ("format", builtin_format::INST),110 111 ("sort", builtin_sort::INST),112 ("uniq", builtin_uniq::INST),113 ("set", builtin_set::INST),114 115 ("md5", builtin_md5::INST),116 #[cfg(feature = "exp-more-hashes")]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 ("parseOctal", builtin_parse_octal::INST),146 ("parseHex", builtin_parse_hex::INST),147 148 ("length", builtin_length::INST),149 ("startsWith", builtin_starts_with::INST),150 ("endsWith", builtin_ends_with::INST),151 152 ("setMember", builtin_set_member::INST),153 ("setInter", builtin_set_inter::INST),154 155 ("__compare", builtin___compare::INST),156 ]157 .iter()158 .cloned()159 {160 builder161 .member(name.into())162 .hide()163 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))164 .expect("no conflict");165 }166167 builder168 .member("extVar".into())169 .hide()170 .value(Val::Func(FuncVal::builtin(builtin_ext_var {171 settings: settings.clone(),172 })))173 .expect("no conflict");174 builder175 .member("native".into())176 .hide()177 .value(Val::Func(FuncVal::builtin(builtin_native {178 settings: settings.clone(),179 })))180 .expect("no conflict");181 builder182 .member("trace".into())183 .hide()184 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))185 .expect("no conflict");186187 builder188 .member("id".into())189 .hide()190 .value(Val::Func(FuncVal::Id))191 .expect("no conflict");192193 builder.build()194}195196pub trait TracePrinter {197 fn print_trace(&self, loc: CallLocation, value: IStr);198}199200pub struct StdTracePrinter {201 resolver: PathResolver,202}203impl StdTracePrinter {204 pub fn new(resolver: PathResolver) -> Self {205 Self { resolver }206 }207}208impl TracePrinter for StdTracePrinter {209 fn print_trace(&self, loc: CallLocation, value: IStr) {210 eprint!("TRACE:");211 if let Some(loc) = loc.0 {212 let locs = loc.0.map_source_locations(&[loc.1]);213 eprint!(214 " {}:{}",215 match loc.0.source_path().path() {216 Some(p) => self.resolver.resolve(p),217 None => loc.0.source_path().to_string(),218 },219 locs[0].line220 );221 }222 eprintln!(" {value}");223 }224}225226pub struct Settings {227 228 pub ext_vars: HashMap<IStr, TlaArg>,229 230 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,231 232 pub globals: GcHashMap<IStr, Thunk<Val>>,233 234 pub trace_printer: Box<dyn TracePrinter>,235 236 pub path_resolver: PathResolver,237}238239fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {240 let source_name = format!("<extvar:{name}>");241 Source::new_virtual(source_name.into(), code.into())242}243244#[derive(Trace, Clone)]245pub struct ContextInitializer {246 247 #[cfg(not(feature = "legacy-this-file"))]248 context: Context,249 250 #[cfg(feature = "legacy-this-file")]251 stdlib_obj: ObjValue,252 settings: Rc<RefCell<Settings>>,253}254impl ContextInitializer {255 pub fn new(_s: State, resolver: PathResolver) -> Self {256 let settings = Settings {257 ext_vars: Default::default(),258 ext_natives: Default::default(),259 globals: Default::default(),260 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),261 path_resolver: resolver,262 };263 let settings = Rc::new(RefCell::new(settings));264 Self {265 #[cfg(not(feature = "legacy-this-file"))]266 context: {267 let mut context = ContextBuilder::with_capacity(_s, 1);268 context.bind(269 "std".into(),270 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),271 );272 context.build()273 },274 #[cfg(feature = "legacy-this-file")]275 stdlib_obj: stdlib_uncached(settings.clone()),276 settings,277 }278 }279 pub fn settings(&self) -> Ref<Settings> {280 self.settings.borrow()281 }282 pub fn settings_mut(&self) -> RefMut<Settings> {283 self.settings.borrow_mut()284 }285 pub fn add_ext_var(&self, name: IStr, value: Val) {286 self.settings_mut()287 .ext_vars288 .insert(name, TlaArg::Val(value));289 }290 pub fn add_ext_str(&self, name: IStr, value: IStr) {291 self.settings_mut()292 .ext_vars293 .insert(name, TlaArg::String(value));294 }295 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {296 let code = code.into();297 let source = extvar_source(name, code.clone());298 let parsed = jrsonnet_parser::parse(299 &code,300 &jrsonnet_parser::ParserSettings {301 source: source.clone(),302 },303 )304 .map_err(|e| ImportSyntaxError {305 path: source,306 error: Box::new(e),307 })?;308 309 self.settings_mut()310 .ext_vars311 .insert(name.into(), TlaArg::Code(parsed));312 Ok(())313 }314 pub fn add_native(&self, name: IStr, cb: impl Builtin) {315 self.settings_mut()316 .ext_natives317 .insert(name, Cc::new(tb!(cb)));318 }319}320impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {321 #[cfg(not(feature = "legacy-this-file"))]322 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {323 let out = self.context.clone();324 let globals = &self.settings().globals;325 if globals.is_empty() {326 return out;327 }328329 let mut out = ContextBuilder::extend(out);330 for (k, v) in globals.iter() {331 out.bind(k.clone(), v.clone());332 }333 out.build()334 }335 #[cfg(feature = "legacy-this-file")]336 fn initialize(&self, s: State, source: Source) -> Context {337 use jrsonnet_evaluator::val::StrValue;338339 let mut builder = ObjValueBuilder::new();340 builder.with_super(self.stdlib_obj.clone());341 builder342 .member("thisFile".into())343 .hide()344 .value(Val::Str(StrValue::Flat(345 match source.source_path().path() {346 Some(p) => self.settings().path_resolver.resolve(p).into(),347 None => source.source_path().to_string().into(),348 },349 )))350 .expect("this object builder is empty");351 let stdlib_with_this_file = builder.build();352353 let mut context = ContextBuilder::with_capacity(s, 1);354 context.bind(355 "std".into(),356 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),357 );358 for (k, v) in self.settings().globals.iter() {359 context.bind(k.clone(), v.clone());360 }361 context.build()362 }363 fn as_any(&self) -> &dyn std::any::Any {364 self365 }366}367368pub trait StateExt {369 370 fn with_stdlib(&self);371 fn add_global(&self, name: IStr, value: Thunk<Val>);372}373374impl StateExt for State {375 fn with_stdlib(&self) {376 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());377 self.settings_mut().context_initializer = tb!(initializer)378 }379 fn add_global(&self, name: IStr, value: Thunk<Val>) {380 self.settings()381 .context_initializer382 .as_any()383 .downcast_ref::<ContextInitializer>()384 .expect("not standard context initializer")385 .settings_mut()386 .globals387 .insert(name, value);388 }389}