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 ("slice", builtin_slice::INST),67 ("map", builtin_map::INST),68 ("flatMap", builtin_flatmap::INST),69 ("filter", builtin_filter::INST),70 ("foldl", builtin_foldl::INST),71 ("foldr", builtin_foldr::INST),72 ("range", builtin_range::INST),73 ("join", builtin_join::INST),74 ("reverse", builtin_reverse::INST),75 ("any", builtin_any::INST),76 ("all", builtin_all::INST),77 ("member", builtin_member::INST),78 ("count", builtin_count::INST),79 80 ("abs", builtin_abs::INST),81 ("sign", builtin_sign::INST),82 ("max", builtin_max::INST),83 ("min", builtin_min::INST),84 ("modulo", builtin_modulo::INST),85 ("floor", builtin_floor::INST),86 ("ceil", builtin_ceil::INST),87 ("log", builtin_log::INST),88 ("pow", builtin_pow::INST),89 ("sqrt", builtin_sqrt::INST),90 ("sin", builtin_sin::INST),91 ("cos", builtin_cos::INST),92 ("tan", builtin_tan::INST),93 ("asin", builtin_asin::INST),94 ("acos", builtin_acos::INST),95 ("atan", builtin_atan::INST),96 ("exp", builtin_exp::INST),97 ("mantissa", builtin_mantissa::INST),98 ("exponent", builtin_exponent::INST),99 100 ("mod", builtin_mod::INST),101 ("primitiveEquals", builtin_primitive_equals::INST),102 ("equals", builtin_equals::INST),103 ("format", builtin_format::INST),104 105 ("sort", builtin_sort::INST),106 107 ("md5", builtin_md5::INST),108 #[cfg(feature = "exp-more-hashes")]109 ("sha256", builtin_sha256::INST),110 111 ("encodeUTF8", builtin_encode_utf8::INST),112 ("decodeUTF8", builtin_decode_utf8::INST),113 ("base64", builtin_base64::INST),114 ("base64Decode", builtin_base64_decode::INST),115 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),116 117 ("objectFieldsEx", builtin_object_fields_ex::INST),118 ("objectHasEx", builtin_object_has_ex::INST),119 120 ("escapeStringJson", builtin_escape_string_json::INST),121 ("manifestJsonEx", builtin_manifest_json_ex::INST),122 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),123 124 ("parseJson", builtin_parse_json::INST),125 ("parseYaml", builtin_parse_yaml::INST),126 127 ("codepoint", builtin_codepoint::INST),128 ("substr", builtin_substr::INST),129 ("char", builtin_char::INST),130 ("strReplace", builtin_str_replace::INST),131 ("splitLimit", builtin_splitlimit::INST),132 ("asciiUpper", builtin_ascii_upper::INST),133 ("asciiLower", builtin_ascii_lower::INST),134 ("findSubstr", builtin_find_substr::INST),135 ("parseInt", builtin_parse_int::INST),136 ("parseOctal", builtin_parse_octal::INST),137 ("parseHex", builtin_parse_hex::INST),138 139 ("length", builtin_length::INST),140 ("startsWith", builtin_starts_with::INST),141 ("endsWith", builtin_ends_with::INST),142 ]143 .iter()144 .cloned()145 {146 builder147 .member(name.into())148 .hide()149 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))150 .expect("no conflict");151 }152153 builder154 .member("extVar".into())155 .hide()156 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_ext_var {157 settings: settings.clone()158 })))))159 .expect("no conflict");160 builder161 .member("native".into())162 .hide()163 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_native {164 settings: settings.clone()165 })))))166 .expect("no conflict");167 builder168 .member("trace".into())169 .hide()170 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_trace {171 settings172 })))))173 .expect("no conflict");174175 builder176 .member("id".into())177 .hide()178 .value(Val::Func(FuncVal::Id))179 .expect("no conflict");180181 builder.build()182}183184pub trait TracePrinter {185 fn print_trace(&self, loc: CallLocation, value: IStr);186}187188pub struct StdTracePrinter {189 resolver: PathResolver,190}191impl StdTracePrinter {192 pub fn new(resolver: PathResolver) -> Self {193 Self { resolver }194 }195}196impl TracePrinter for StdTracePrinter {197 fn print_trace(&self, loc: CallLocation, value: IStr) {198 eprint!("TRACE:");199 if let Some(loc) = loc.0 {200 let locs = loc.0.map_source_locations(&[loc.1]);201 eprint!(202 " {}:{}",203 match loc.0.source_path().path() {204 Some(p) => self.resolver.resolve(p),205 None => loc.0.source_path().to_string(),206 },207 locs[0].line208 );209 }210 eprintln!(" {}", value);211 }212}213214pub struct Settings {215 216 pub ext_vars: HashMap<IStr, TlaArg>,217 218 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,219 220 pub globals: GcHashMap<IStr, Thunk<Val>>,221 222 pub trace_printer: Box<dyn TracePrinter>,223 224 pub path_resolver: PathResolver,225}226227fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {228 let source_name = format!("<extvar:{}>", name);229 Source::new_virtual(source_name.into(), code.into())230}231232#[derive(Trace)]233pub struct ContextInitializer {234 235 #[cfg(not(feature = "legacy-this-file"))]236 context: Context,237 238 #[cfg(feature = "legacy-this-file")]239 stdlib_obj: ObjValue,240 settings: Rc<RefCell<Settings>>,241}242impl ContextInitializer {243 pub fn new(s: State, resolver: PathResolver) -> Self {244 let settings = Settings {245 ext_vars: Default::default(),246 ext_natives: Default::default(),247 globals: Default::default(),248 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),249 path_resolver: resolver,250 };251 let settings = Rc::new(RefCell::new(settings));252 Self {253 #[cfg(not(feature = "legacy-this-file"))]254 context: {255 let mut context = ContextBuilder::with_capacity(s, 1);256 context.bind(257 "std".into(),258 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),259 );260 context.build()261 },262 #[cfg(feature = "legacy-this-file")]263 stdlib_obj: stdlib_uncached(settings.clone()),264 settings,265 }266 }267 pub fn settings(&self) -> Ref<Settings> {268 self.settings.borrow()269 }270 pub fn settings_mut(&self) -> RefMut<Settings> {271 self.settings.borrow_mut()272 }273 pub fn add_ext_var(&self, name: IStr, value: Val) {274 self.settings_mut()275 .ext_vars276 .insert(name, TlaArg::Val(value));277 }278 pub fn add_ext_str(&self, name: IStr, value: IStr) {279 self.settings_mut()280 .ext_vars281 .insert(name, TlaArg::String(value));282 }283 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {284 let code = code.into();285 let source = extvar_source(name, code.clone());286 let parsed = jrsonnet_parser::parse(287 &code,288 &jrsonnet_parser::ParserSettings {289 source: source.clone(),290 },291 )292 .map_err(|e| ImportSyntaxError {293 path: source,294 error: Box::new(e),295 })?;296 297 self.settings_mut()298 .ext_vars299 .insert(name.into(), TlaArg::Code(parsed));300 Ok(())301 }302 pub fn add_native(&self, name: IStr, cb: Cc<TraceBox<dyn Builtin>>) {303 self.settings_mut().ext_natives.insert(name, cb);304 }305}306impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {307 #[cfg(not(feature = "legacy-this-file"))]308 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {309 let out = self.context.clone();310 let globals = &self.settings().globals;311 if globals.is_empty() {312 return out;313 }314315 let mut out = ContextBuilder::extend(out);316 for (k, v) in globals.iter() {317 out.bind(k.clone(), v.clone());318 }319 out.build()320 }321 #[cfg(feature = "legacy-this-file")]322 fn initialize(&self, s: State, source: Source) -> Context {323 use jrsonnet_evaluator::val::StrValue;324325 let mut builder = ObjValueBuilder::new();326 builder.with_super(self.stdlib_obj.clone());327 builder328 .member("thisFile".into())329 .hide()330 .value(Val::Str(StrValue::Flat(331 match source.source_path().path() {332 Some(p) => self.settings().path_resolver.resolve(p).into(),333 None => source.source_path().to_string().into(),334 },335 )))336 .expect("this object builder is empty");337 let stdlib_with_this_file = builder.build();338339 let mut context = ContextBuilder::with_capacity(s, 1);340 context.bind(341 "std".into(),342 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),343 );344 for (k, v) in self.settings().globals.iter() {345 context.bind(k.clone(), v.clone());346 }347 context.build()348 }349 fn as_any(&self) -> &dyn std::any::Any {350 self351 }352}353354pub trait StateExt {355 356 fn with_stdlib(&self);357 fn add_global(&self, name: IStr, value: Thunk<Val>);358}359360impl StateExt for State {361 fn with_stdlib(&self) {362 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());363 self.settings_mut().context_initializer = tb!(initializer)364 }365 fn add_global(&self, name: IStr, value: Thunk<Val>) {366 self.settings()367 .context_initializer368 .as_any()369 .downcast_ref::<ContextInitializer>()370 .expect("not standard context initializer")371 .settings_mut()372 .globals373 .insert(name, value);374 }375}