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 ("__compare", builtin___compare::INST),155 ]156 .iter()157 .cloned()158 {159 builder160 .member(name.into())161 .hide()162 .value(Val::Func(FuncVal::StaticBuiltin(builtin)))163 .expect("no conflict");164 }165166 builder167 .member("extVar".into())168 .hide()169 .value(Val::Func(FuncVal::builtin(builtin_ext_var {170 settings: settings.clone(),171 })))172 .expect("no conflict");173 builder174 .member("native".into())175 .hide()176 .value(Val::Func(FuncVal::builtin(builtin_native {177 settings: settings.clone(),178 })))179 .expect("no conflict");180 builder181 .member("trace".into())182 .hide()183 .value(Val::Func(FuncVal::builtin(builtin_trace { settings })))184 .expect("no conflict");185186 builder187 .member("id".into())188 .hide()189 .value(Val::Func(FuncVal::Id))190 .expect("no conflict");191192 builder.build()193}194195pub trait TracePrinter {196 fn print_trace(&self, loc: CallLocation, value: IStr);197}198199pub struct StdTracePrinter {200 resolver: PathResolver,201}202impl StdTracePrinter {203 pub fn new(resolver: PathResolver) -> Self {204 Self { resolver }205 }206}207impl TracePrinter for StdTracePrinter {208 fn print_trace(&self, loc: CallLocation, value: IStr) {209 eprint!("TRACE:");210 if let Some(loc) = loc.0 {211 let locs = loc.0.map_source_locations(&[loc.1]);212 eprint!(213 " {}:{}",214 match loc.0.source_path().path() {215 Some(p) => self.resolver.resolve(p),216 None => loc.0.source_path().to_string(),217 },218 locs[0].line219 );220 }221 eprintln!(" {value}");222 }223}224225pub struct Settings {226 227 pub ext_vars: HashMap<IStr, TlaArg>,228 229 pub ext_natives: HashMap<IStr, Cc<TraceBox<dyn Builtin>>>,230 231 pub globals: GcHashMap<IStr, Thunk<Val>>,232 233 pub trace_printer: Box<dyn TracePrinter>,234 235 pub path_resolver: PathResolver,236}237238fn extvar_source(name: &str, code: impl Into<IStr>) -> Source {239 let source_name = format!("<extvar:{name}>");240 Source::new_virtual(source_name.into(), code.into())241}242243#[derive(Trace, Clone)]244pub struct ContextInitializer {245 246 #[cfg(not(feature = "legacy-this-file"))]247 context: Context,248 249 #[cfg(feature = "legacy-this-file")]250 stdlib_obj: ObjValue,251 settings: Rc<RefCell<Settings>>,252}253impl ContextInitializer {254 pub fn new(_s: State, resolver: PathResolver) -> Self {255 let settings = Settings {256 ext_vars: Default::default(),257 ext_natives: Default::default(),258 globals: Default::default(),259 trace_printer: Box::new(StdTracePrinter::new(resolver.clone())),260 path_resolver: resolver,261 };262 let settings = Rc::new(RefCell::new(settings));263 Self {264 #[cfg(not(feature = "legacy-this-file"))]265 context: {266 let mut context = ContextBuilder::with_capacity(_s, 1);267 context.bind(268 "std".into(),269 Thunk::evaluated(Val::Obj(stdlib_uncached(settings.clone()))),270 );271 context.build()272 },273 #[cfg(feature = "legacy-this-file")]274 stdlib_obj: stdlib_uncached(settings.clone()),275 settings,276 }277 }278 pub fn settings(&self) -> Ref<Settings> {279 self.settings.borrow()280 }281 pub fn settings_mut(&self) -> RefMut<Settings> {282 self.settings.borrow_mut()283 }284 pub fn add_ext_var(&self, name: IStr, value: Val) {285 self.settings_mut()286 .ext_vars287 .insert(name, TlaArg::Val(value));288 }289 pub fn add_ext_str(&self, name: IStr, value: IStr) {290 self.settings_mut()291 .ext_vars292 .insert(name, TlaArg::String(value));293 }294 pub fn add_ext_code(&self, name: &str, code: impl Into<IStr>) -> Result<()> {295 let code = code.into();296 let source = extvar_source(name, code.clone());297 let parsed = jrsonnet_parser::parse(298 &code,299 &jrsonnet_parser::ParserSettings {300 source: source.clone(),301 },302 )303 .map_err(|e| ImportSyntaxError {304 path: source,305 error: Box::new(e),306 })?;307 308 self.settings_mut()309 .ext_vars310 .insert(name.into(), TlaArg::Code(parsed));311 Ok(())312 }313 pub fn add_native(&self, name: IStr, cb: impl Builtin) {314 self.settings_mut()315 .ext_natives316 .insert(name, Cc::new(tb!(cb)));317 }318}319impl jrsonnet_evaluator::ContextInitializer for ContextInitializer {320 #[cfg(not(feature = "legacy-this-file"))]321 fn initialize(&self, _s: State, _source: Source) -> jrsonnet_evaluator::Context {322 let out = self.context.clone();323 let globals = &self.settings().globals;324 if globals.is_empty() {325 return out;326 }327328 let mut out = ContextBuilder::extend(out);329 for (k, v) in globals.iter() {330 out.bind(k.clone(), v.clone());331 }332 out.build()333 }334 #[cfg(feature = "legacy-this-file")]335 fn initialize(&self, s: State, source: Source) -> Context {336 use jrsonnet_evaluator::val::StrValue;337338 let mut builder = ObjValueBuilder::new();339 builder.with_super(self.stdlib_obj.clone());340 builder341 .member("thisFile".into())342 .hide()343 .value(Val::Str(StrValue::Flat(344 match source.source_path().path() {345 Some(p) => self.settings().path_resolver.resolve(p).into(),346 None => source.source_path().to_string().into(),347 },348 )))349 .expect("this object builder is empty");350 let stdlib_with_this_file = builder.build();351352 let mut context = ContextBuilder::with_capacity(s, 1);353 context.bind(354 "std".into(),355 Thunk::evaluated(Val::Obj(stdlib_with_this_file)),356 );357 for (k, v) in self.settings().globals.iter() {358 context.bind(k.clone(), v.clone());359 }360 context.build()361 }362 fn as_any(&self) -> &dyn std::any::Any {363 self364 }365}366367pub trait StateExt {368 369 fn with_stdlib(&self);370 fn add_global(&self, name: IStr, value: Thunk<Val>);371}372373impl StateExt for State {374 fn with_stdlib(&self) {375 let initializer = ContextInitializer::new(self.clone(), PathResolver::new_cwd_fallback());376 self.settings_mut().context_initializer = tb!(initializer)377 }378 fn add_global(&self, name: IStr, value: Thunk<Val>) {379 self.settings()380 .context_initializer381 .as_any()382 .downcast_ref::<ContextInitializer>()383 .expect("not standard context initializer")384 .settings_mut()385 .globals386 .insert(name, value);387 }388}