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::*;4344pub fn stdlib_uncached(settings: Rc<RefCell<Settings>>) -> ObjValue {45 let mut builder = ObjValueBuilder::new();4647 let expr = expr::stdlib_expr();48 let eval = jrsonnet_evaluator::evaluate(ContextBuilder::dangerous_empty_state().build(), &expr)49 .expect("stdlib.jsonnet should have no errors")50 .as_obj()51 .expect("stdlib.jsonnet should evaluate to object");5253 builder.with_super(eval);5455 for (name, builtin) in [56 57 ("type", builtin_type::INST),58 ("isString", builtin_is_string::INST),59 ("isNumber", builtin_is_number::INST),60 ("isBoolean", builtin_is_boolean::INST),61 ("isObject", builtin_is_object::INST),62 ("isArray", builtin_is_array::INST),63 ("isFunction", builtin_is_function::INST),64 65 ("makeArray", builtin_make_array::INST),66 ("repeat", builtin_repeat::INST),67 ("slice", builtin_slice::INST),68 ("map", builtin_map::INST),69 ("flatMap", builtin_flatmap::INST),70 ("filter", builtin_filter::INST),71 ("foldl", builtin_foldl::INST),72 ("foldr", builtin_foldr::INST),73 ("range", builtin_range::INST),74 ("join", builtin_join::INST),75 ("reverse", builtin_reverse::INST),76 ("any", builtin_any::INST),77 ("all", builtin_all::INST),78 ("member", builtin_member::INST),79 ("count", builtin_count::INST),80 81 ("abs", builtin_abs::INST),82 ("sign", builtin_sign::INST),83 ("max", builtin_max::INST),84 ("min", builtin_min::INST),85 ("modulo", builtin_modulo::INST),86 ("floor", builtin_floor::INST),87 ("ceil", builtin_ceil::INST),88 ("log", builtin_log::INST),89 ("pow", builtin_pow::INST),90 ("sqrt", builtin_sqrt::INST),91 ("sin", builtin_sin::INST),92 ("cos", builtin_cos::INST),93 ("tan", builtin_tan::INST),94 ("asin", builtin_asin::INST),95 ("acos", builtin_acos::INST),96 ("atan", builtin_atan::INST),97 ("exp", builtin_exp::INST),98 ("mantissa", builtin_mantissa::INST),99 ("exponent", builtin_exponent::INST),100 101 ("mod", builtin_mod::INST),102 ("primitiveEquals", builtin_primitive_equals::INST),103 ("equals", builtin_equals::INST),104 ("format", builtin_format::INST),105 106 ("sort", builtin_sort::INST),107 108 ("md5", builtin_md5::INST),109 #[cfg(feature = "exp-more-hashes")]110 ("sha256", builtin_sha256::INST),111 112 ("encodeUTF8", builtin_encode_utf8::INST),113 ("decodeUTF8", builtin_decode_utf8::INST),114 ("base64", builtin_base64::INST),115 ("base64Decode", builtin_base64_decode::INST),116 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),117 118 ("objectFieldsEx", builtin_object_fields_ex::INST),119 ("objectHasEx", builtin_object_has_ex::INST),120 121 ("escapeStringJson", builtin_escape_string_json::INST),122 ("manifestJsonEx", builtin_manifest_json_ex::INST),123 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),124 125 ("parseJson", builtin_parse_json::INST),126 ("parseYaml", builtin_parse_yaml::INST),127 128 ("codepoint", builtin_codepoint::INST),129 ("substr", builtin_substr::INST),130 ("char", builtin_char::INST),131 ("strReplace", builtin_str_replace::INST),132 ("splitLimit", builtin_splitlimit::INST),133 ("asciiUpper", builtin_ascii_upper::INST),134 ("asciiLower", builtin_ascii_lower::INST),135 ("findSubstr", builtin_find_substr::INST),136 ("parseInt", builtin_parse_int::INST),137 ("parseOctal", builtin_parse_octal::INST),138 ("parseHex", builtin_parse_hex::INST),139 140 ("length", builtin_length::INST),141 ("startsWith", builtin_starts_with::INST),142 ("endsWith", builtin_ends_with::INST),143 ]144 .iter()145 .cloned()146 {147 builder148 .member(name.into())149 .hide()150 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))151 .expect("no conflict");152 }153154 builder155 .member("extVar".into())156 .hide()157 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_ext_var {158 settings: settings.clone()159 })))))160 .expect("no conflict");161 builder162 .member("native".into())163 .hide()164 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_native {165 settings: settings.clone()166 })))))167 .expect("no conflict");168 builder169 .member("trace".into())170 .hide()171 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_trace {172 settings173 })))))174 .expect("no conflict");175176 builder177 .member("id".into())178 .hide()179 .value(Val::Func(FuncVal::Id))180 .expect("no conflict");181182 builder.build()183}184185pub trait TracePrinter {186 fn print_trace(&self, loc: CallLocation, value: IStr);187}188189pub struct StdTracePrinter {190 resolver: PathResolver,191}192impl StdTracePrinter {193 pub fn new(resolver: PathResolver) -> Self {194 Self { resolver }195 }196}197impl TracePrinter for StdTracePrinter {198 fn print_trace(&self, loc: CallLocation, value: IStr) {199 eprint!("TRACE:");200 if let Some(loc) = loc.0 {201 let locs = loc.0.map_source_locations(&[loc.1]);202 eprint!(203 " {}:{}",204 match loc.0.source_path().path() {205 Some(p) => self.resolver.resolve(p),206 None => loc.0.source_path().to_string(),207 },208 locs[0].line209 );210 }211 eprintln!(" {}", value);212 }213}214215pub struct Settings {216 217 pub ext_vars: HashMap<IStr, TlaArg>,218 219 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,220 221 pub globals: GcHashMap<IStr, Thunk<Val>>,222 223 pub trace_printer: Box<dyn TracePrinter>,224 225 pub path_resolver: PathResolver,226}227228fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {229 let source_name = format!("<extvar:{}>", name);230 Source::new_virtual(source_name.into(), code.into())231}232233#[derive(Trace)]234pub struct ContextInitializer {235 236 #[cfg(not(feature = "legacy-this-file"))]237 context: Context,238 239 #[cfg(feature = "legacy-this-file")]240 stdlib_obj: ObjValue,241 settings: Rc<RefCell<Settings>>,242}243impl ContextInitializer {244 pub fn new(s: State, resolver: PathResolver) -> Self {245 let settings = Settings {246 ext_vars: Default::default(),247 ext_natives: Default::default(),248 globals: Default::default(),249 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),250 path_resolver: resolver,251 };252 let settings = Rc::new(RefCell::new(settings));253 Self {254 #[cfg(not(feature = "legacy-this-file"))]255 context: {256 let mut context = ContextBuilder::with_capacity(s, 1);257 context.bind(258 "std".into(),259 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),260 );261 context.build()262 },263 #[cfg(feature = "legacy-this-file")]264 stdlib_obj: stdlib_uncached(settings.clone()),265 settings,266 }267 }268 pub fn settings(&self) -> Ref<Settings> {269 self.settings.borrow()270 }271 pub fn settings_mut(&self) -> RefMut<Settings> {272 self.settings.borrow_mut()273 }274 pub fn add_ext_var(&self, name: IStr, value: Val) {275 self.settings_mut()276 .ext_vars277 .insert(name, TlaArg::Val(value));278 }279 pub fn add_ext_str(&self, name: IStr, value: IStr) {280 self.settings_mut()281 .ext_vars282 .insert(name, TlaArg::String(value));283 }284 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {285 let code = code.into();286 let source = extvar_source(name, code.clone());287 let parsed = jrsonnet_parser::parse(288 &code,289 &jrsonnet_parser::ParserSettings {290 source: source.clone(),291 },292 )293 .map_err(|e| ImportSyntaxError {294 path: source,295 error: Box::new(e),296 })?;297 298 self.settings_mut()299 .ext_vars300 .insert(name.into(), TlaArg::Code(parsed));301 Ok(())302 }303 pub fn add_native(&self, name: IStr, cb: Cc<TraceBox<dyn Builtin>>) {304 self.settings_mut().ext_natives.insert(name, cb);305 }306}307impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {308 #[cfg(not(feature = "legacy-this-file"))]309 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {310 let out = self.context.clone();311 let globals = &self.settings().globals;312 if globals.is_empty() {313 return out;314 }315316 let mut out = ContextBuilder::extend(out);317 for (k, v) in globals.iter() {318 out.bind(k.clone(), v.clone());319 }320 out.build()321 }322 #[cfg(feature = "legacy-this-file")]323 fn initialize(&self, s: State, source: Source) -> Context {324 use jrsonnet_evaluator::val::StrValue;325326 let mut builder = ObjValueBuilder::new();327 builder.with_super(self.stdlib_obj.clone());328 builder329 .member("thisFile".into())330 .hide()331 .value(Val::Str(StrValue::Flat(332 match source.source_path().path() {333 Some(p) => self.settings().path_resolver.resolve(p).into(),334 None => source.source_path().to_string().into(),335 },336 )))337 .expect("this object builder is empty");338 let stdlib_with_this_file = builder.build();339340 let mut context = ContextBuilder::with_capacity(s, 1);341 context.bind(342 "std".into(),343 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),344 );345 for (k, v) in self.settings().globals.iter() {346 context.bind(k.clone(), v.clone());347 }348 context.build()349 }350 fn as_any(&self) -> &dyn std::any::Any {351 self352 }353}354355pub trait StateExt {356 357 fn with_stdlib(&self);358 fn add_global(&self, name: IStr, value: Thunk<Val>);359}360361impl StateExt for State {362 fn with_stdlib(&self) {363 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());364 self.settings_mut().context_initializer = tb!(initializer)365 }366 fn add_global(&self, name: IStr, value: Thunk<Val>) {367 self.settings()368 .context_initializer369 .as_any()370 .downcast_ref::<ContextInitializer>()371 .expect("not standard context initializer")372 .settings_mut()373 .globals374 .insert(name, value);375 }376}