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 ("modulo", builtin_modulo::INST),81 ("floor", builtin_floor::INST),82 ("ceil", builtin_ceil::INST),83 ("log", builtin_log::INST),84 ("pow", builtin_pow::INST),85 ("sqrt", builtin_sqrt::INST),86 ("sin", builtin_sin::INST),87 ("cos", builtin_cos::INST),88 ("tan", builtin_tan::INST),89 ("asin", builtin_asin::INST),90 ("acos", builtin_acos::INST),91 ("atan", builtin_atan::INST),92 ("exp", builtin_exp::INST),93 ("mantissa", builtin_mantissa::INST),94 ("exponent", builtin_exponent::INST),95 96 ("mod", builtin_mod::INST),97 ("primitiveEquals", builtin_primitive_equals::INST),98 ("equals", builtin_equals::INST),99 ("format", builtin_format::INST),100 101 ("sort", builtin_sort::INST),102 103 ("md5", builtin_md5::INST),104 #[cfg(feature = "exp-more-hashes")]105 ("sha256", builtin_sha256::INST),106 107 ("encodeUTF8", builtin_encode_utf8::INST),108 ("decodeUTF8", builtin_decode_utf8::INST),109 ("base64", builtin_base64::INST),110 ("base64Decode", builtin_base64_decode::INST),111 ("base64DecodeBytes", builtin_base64_decode_bytes::INST),112 113 ("objectFieldsEx", builtin_object_fields_ex::INST),114 ("objectHasEx", builtin_object_has_ex::INST),115 116 ("escapeStringJson", builtin_escape_string_json::INST),117 ("manifestJsonEx", builtin_manifest_json_ex::INST),118 ("manifestYamlDoc", builtin_manifest_yaml_doc::INST),119 120 ("parseJson", builtin_parse_json::INST),121 ("parseYaml", builtin_parse_yaml::INST),122 123 ("codepoint", builtin_codepoint::INST),124 ("substr", builtin_substr::INST),125 ("char", builtin_char::INST),126 ("strReplace", builtin_str_replace::INST),127 ("splitLimit", builtin_splitlimit::INST),128 ("asciiUpper", builtin_ascii_upper::INST),129 ("asciiLower", builtin_ascii_lower::INST),130 ("findSubstr", builtin_find_substr::INST),131 132 ("length", builtin_length::INST),133 ("startsWith", builtin_starts_with::INST),134 ("endsWith", builtin_ends_with::INST),135 ]136 .iter()137 .cloned()138 {139 builder140 .member(name.into())141 .hide()142 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))143 .expect("no conflict");144 }145146 builder147 .member("extVar".into())148 .hide()149 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_ext_var {150 settings: settings.clone()151 })))))152 .expect("no conflict");153 builder154 .member("native".into())155 .hide()156 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_native {157 settings: settings.clone()158 })))))159 .expect("no conflict");160 builder161 .member("trace".into())162 .hide()163 .value(Val::Func(FuncVal::Builtin(Cc::new(tb!(builtin_trace {164 settings165 })))))166 .expect("no conflict");167168 builder169 .member("id".into())170 .hide()171 .value(Val::Func(FuncVal::Id))172 .expect("no conflict");173174 builder.build()175}176177pub trait TracePrinter {178 fn print_trace(&self, loc: CallLocation, value: IStr);179}180181pub struct StdTracePrinter {182 resolver: PathResolver,183}184impl StdTracePrinter {185 pub fn new(resolver: PathResolver) -> Self {186 Self { resolver }187 }188}189impl TracePrinter for StdTracePrinter {190 fn print_trace(&self, loc: CallLocation, value: IStr) {191 eprint!("TRACE:");192 if let Some(loc) = loc.0 {193 let locs = loc.0.map_source_locations(&[loc.1]);194 eprint!(195 " {}:{}",196 match loc.0.source_path().path() {197 Some(p) => self.resolver.resolve(p),198 None => loc.0.source_path().to_string(),199 },200 locs[0].line201 );202 }203 eprintln!(" {}", value);204 }205}206207pub struct Settings {208 209 pub ext_vars: HashMap<IStr, TlaArg>,210 211 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,212 213 pub globals: GcHashMap<IStr, Thunk<Val>>,214 215 pub trace_printer: Box<dyn TracePrinter>,216 217 pub path_resolver: PathResolver,218}219220fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {221 let source_name = format!("<extvar:{}>", name);222 Source::new_virtual(source_name.into(), code.into())223}224225#[derive(Trace)]226pub struct ContextInitializer {227 228 #[cfg(not(feature = "legacy-this-file"))]229 context: Context,230 231 #[cfg(feature = "legacy-this-file")]232 stdlib_obj: ObjValue,233 settings: Rc<RefCell<Settings>>,234}235impl ContextInitializer {236 pub fn new(s: State, resolver: PathResolver) -> Self {237 let settings = Settings {238 ext_vars: Default::default(),239 ext_natives: Default::default(),240 globals: Default::default(),241 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),242 path_resolver: resolver,243 };244 let settings = Rc::new(RefCell::new(settings));245 Self {246 #[cfg(not(feature = "legacy-this-file"))]247 context: {248 let mut context = ContextBuilder::with_capacity(s, 1);249 context.bind(250 "std".into(),251 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),252 );253 context.build()254 },255 #[cfg(feature = "legacy-this-file")]256 stdlib_obj: stdlib_uncached(s, settings.clone()),257 settings,258 }259 }260 pub fn settings(&self) -> Ref<Settings> {261 self.settings.borrow()262 }263 pub fn settings_mut(&self) -> RefMut<Settings> {264 self.settings.borrow_mut()265 }266 pub fn add_ext_var(&self, name: IStr, value: Val) {267 self.settings_mut()268 .ext_vars269 .insert(name, TlaArg::Val(value));270 }271 pub fn add_ext_str(&self, name: IStr, value: IStr) {272 self.settings_mut()273 .ext_vars274 .insert(name, TlaArg::String(value));275 }276 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {277 let code = code.into();278 let source = extvar_source(name, code.clone());279 let parsed = jrsonnet_parser::parse(280 &code,281 &jrsonnet_parser::ParserSettings {282 source: source.clone(),283 },284 )285 .map_err(|e| ImportSyntaxError {286 path: source,287 error: Box::new(e),288 })?;289 290 self.settings_mut()291 .ext_vars292 .insert(name.into(), TlaArg::Code(parsed));293 Ok(())294 }295 pub fn add_native(&self, name: IStr, cb: Cc<TraceBox<dyn Builtin>>) {296 self.settings_mut().ext_natives.insert(name, cb);297 }298}299impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {300 #[cfg(not(feature = "legacy-this-file"))]301 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {302 let out = self.context.clone();303 let globals = &self.settings().globals;304 if globals.is_empty() {305 return out;306 }307308 let mut out = ContextBuilder::extend(out);309 for (k, v) in globals.iter() {310 out.bind(k.clone(), v.clone());311 }312 out.build()313 }314 #[cfg(feature = "legacy-this-file")]315 fn initialize(&self, s: State, source: Source) -> jrsonnet_evaluator::Context {316 let mut builder = ObjValueBuilder::new();317 builder.with_super(self.stdlib_obj.clone());318 builder319 .member("thisFile".into())320 .hide()321 .value(322 s,323 Val::Str(match source.source_path().path() {324 Some(p) => self.settings().path_resolver.resolve(p).into(),325 None => source.source_path().to_string().into(),326 }),327 )328 .expect("this object builder is empty");329 let stdlib_with_this_file = builder.build();330331 let mut context = ContextBuilder::with_capacity(1);332 context.bind(333 "std".into(),334 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),335 );336 for (k, v) in self.settings().globals.iter() {337 context.bind(k.clone(), v.clone());338 }339 context.build()340 }341 fn as_any(&self) -> &dyn std::any::Any {342 self343 }344}345346pub trait StateExt {347 348 fn with_stdlib(&self);349 fn add_global(&self, name: IStr, value: Thunk<Val>);350}351352impl StateExt for State {353 fn with_stdlib(&self) {354 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());355 self.settings_mut().context_initializer = tb!(initializer)356 }357 fn add_global(&self, name: IStr, value: Thunk<Val>) {358 self.settings()359 .context_initializer360 .as_any()361 .downcast_ref::<ContextInitializer>()362 .expect("not standard context initializer")363 .settings_mut()364 .globals365 .insert(name, value);366 }367}