difftreelog
feat(evaluator) serde_json integration
in: master
5 files changed
Cargo.lockdiffbeforeafterboth--- a/Cargo.lock
+++ b/Cargo.lock
@@ -125,15 +125,21 @@
[[package]]
name = "indexmap"
-version = "1.5.0"
+version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b88cd59ee5f71fea89a62248fc8f387d44400cefe05ef548466d61ced9029a7"
+checksum = "86b45e59b16c76b11bf9738fd5d38879d3bd28ad292d7b313608becb17ae2df9"
dependencies = [
"autocfg",
"hashbrown",
]
[[package]]
+name = "itoa"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+
+[[package]]
name = "jrsonnet"
version = "0.3.0"
dependencies = [
@@ -167,6 +173,7 @@
"md5",
"pathdiff",
"serde",
+ "serde_json",
"structdump",
]
@@ -315,19 +322,25 @@
]
[[package]]
+name = "ryu"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+
+[[package]]
name = "serde"
-version = "1.0.114"
+version = "1.0.115"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5317f7588f0a5078ee60ef675ef96735a1442132dc645eb1d12c018620ed8cd3"
+checksum = "e54c9a88f2da7238af84b5101443f0c0d0a3bbdc455e34a5c9497b1903ed55d5"
dependencies = [
"serde_derive",
]
[[package]]
name = "serde_derive"
-version = "1.0.114"
+version = "1.0.115"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
+checksum = "609feed1d0a73cc36a0182a840a9b37b4a82f0b1150369f0536a9e3f2a31dc48"
dependencies = [
"proc-macro2",
"quote",
@@ -335,6 +348,17 @@
]
[[package]]
+name = "serde_json"
+version = "1.0.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "164eacbdb13512ec2745fb09d51fd5b22b0d65ed294a1dcf7285a360c80a675c"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
name = "strsim"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
crates/jrsonnet-evaluator/Cargo.tomldiffbeforeafterboth--- a/crates/jrsonnet-evaluator/Cargo.toml
+++ b/crates/jrsonnet-evaluator/Cargo.toml
@@ -12,6 +12,8 @@
default = ["serialized-stdlib", "faster", "explaining-traces"]
# Serializes standard library AST instead of parsing them every run
serialized-stdlib = ["serde", "bincode", "jrsonnet-parser/deserialize"]
+# Allow to convert Val into serde_json::Value and backwards
+serde-json = ["serde", "serde_json"]
# Same as above, but with generated code instead of serde. Reduces memory usage, but increases binary size and compilation time
codegenerated-stdlib = []
# Replace some standard library functions with faster implementations (I.e manifestJsonEx)
@@ -29,19 +31,24 @@
pathdiff = "0.2.0"
closure = "0.3.0"
-indexmap = "1.5.0"
+indexmap = "1.5.1"
md5 = "0.7.0"
base64 = "0.12.3"
# Serialized stdlib
[dependencies.serde]
-version = "1.0.114"
+version = "1.0.115"
optional = true
[dependencies.bincode]
version = "1.3.1"
optional = true
+# Serde json
+[dependencies.serde_json]
+version = "1.0.57"
+optional = true
+
# Explaining traces
[dependencies.annotate-snippets]
version = "0.9.0"
@@ -51,5 +58,5 @@
jrsonnet-parser = { path = "../jrsonnet-parser", features = ["dump", "serialize", "deserialize"], version = "0.3.0" }
jrsonnet-stdlib = { path = "../jrsonnet-stdlib", version = "0.3.0" }
structdump = "0.1.2"
-serde = "1.0.114"
+serde = "1.0.115"
bincode = "1.3.1"
crates/jrsonnet-evaluator/src/integrations/mod.rsdiffbeforeafterboth--- /dev/null
+++ b/crates/jrsonnet-evaluator/src/integrations/mod.rs
@@ -0,0 +1,2 @@
+#[cfg(feature = "serde-json")]
+pub mod serde;
crates/jrsonnet-evaluator/src/integrations/serde.rsdiffbeforeafterboth--- /dev/null
+++ b/crates/jrsonnet-evaluator/src/integrations/serde.rs
@@ -0,0 +1,77 @@
+use crate::{
+ error::{Error::*, LocError, Result},
+ throw, LazyBinding, LazyVal, ObjMember, ObjValue, Val,
+};
+use jrsonnet_parser::Visibility;
+use serde_json::{Map, Number, Value};
+use std::{
+ collections::HashMap,
+ convert::{TryFrom, TryInto},
+ rc::Rc,
+};
+
+impl TryFrom<&Val> for Value {
+ type Error = LocError;
+ fn try_from(v: &Val) -> Result<Self> {
+ Ok(match v {
+ Val::Bool(b) => Value::Bool(*b),
+ Val::Null => Value::Null,
+ Val::Str(s) => Value::String((&s as &str).into()),
+ Val::Num(n) => Value::Number(Number::from_f64(*n).expect("to json number")),
+ Val::Lazy(v) => (&v.evaluate()?).try_into()?,
+ Val::Arr(a) => {
+ let mut out = Vec::with_capacity(a.len());
+ for item in a.iter() {
+ out.push(item.try_into()?);
+ }
+ Value::Array(out)
+ }
+ Val::Obj(o) => {
+ let mut out = Map::new();
+ for key in o.visible_fields() {
+ out.insert(
+ (&key as &str).into(),
+ (&o.get(key)?.expect("field exists")).try_into()?,
+ );
+ }
+ Value::Object(out)
+ }
+ Val::Func(_) | Val::Intristic(_, _) => {
+ throw!(RuntimeError("tried to manifest function".into()))
+ }
+ })
+ }
+}
+
+impl From<&Value> for Val {
+ fn from(v: &Value) -> Self {
+ match v {
+ Value::Null => Val::Null,
+ Value::Bool(v) => Val::Bool(*v),
+ Value::Number(n) => Val::Num(n.as_f64().expect("as f64")),
+ Value::String(s) => Val::Str((s as &str).into()),
+ Value::Array(a) => {
+ let mut out = Vec::with_capacity(a.len());
+ for v in a {
+ out.push(v.into());
+ }
+ Val::Arr(Rc::new(out))
+ }
+ Value::Object(o) => {
+ let mut entries = HashMap::with_capacity(o.len());
+ for (k, v) in o {
+ entries.insert(
+ (k as &str).into(),
+ ObjMember {
+ add: false,
+ visibility: Visibility::Normal,
+ invoke: LazyBinding::Bound(LazyVal::new_resolved(v.into())),
+ location: None,
+ },
+ );
+ }
+ Val::Obj(ObjValue::new(None, Rc::new(entries)))
+ }
+ }
+ }
+}
crates/jrsonnet-evaluator/src/lib.rsdiffbeforeafterboth1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![allow(macro_expanded_macro_exports_accessed_by_absolute_paths)]34mod builtin;5mod ctx;6mod dynamic;7pub mod error;8mod evaluate;9mod function;10mod import;11mod map;12mod obj;13pub mod trace;14mod val;1516pub use ctx::*;17pub use dynamic::*;18use error::{Error::*, LocError, Result, StackTraceElement};19pub use evaluate::*;20pub use function::parse_function_call;21pub use import::*;22use jrsonnet_parser::*;23pub use obj::*;24use std::{25 cell::{Ref, RefCell, RefMut},26 collections::HashMap,27 fmt::Debug,28 path::PathBuf,29 rc::Rc,30};31use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};32pub use val::*;3334type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;35#[derive(Clone)]36pub enum LazyBinding {37 Bindable(Rc<BindableFn>),38 Bound(LazyVal),39}4041impl Debug for LazyBinding {42 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {43 write!(f, "LazyBinding")44 }45}46impl LazyBinding {47 pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {48 match self {49 LazyBinding::Bindable(v) => v(this, super_obj),50 LazyBinding::Bound(v) => Ok(v.clone()),51 }52 }53}5455#[derive(Clone)]56pub enum ManifestFormat {57 Yaml(usize),58 Json(usize),59 None,60}6162pub struct EvaluationSettings {63 /// Limits recursion by limiting stack frames64 pub max_stack: usize,65 /// Limit amount of stack trace items preserved66 pub max_trace: usize,67 /// Used for std.extVar68 pub ext_vars: HashMap<Rc<str>, Val>,69 /// TLA vars70 pub tla_vars: HashMap<Rc<str>, Val>,71 /// Global variables are inserted in default context72 pub globals: HashMap<Rc<str>, Val>,73 /// Used to resolve file locations/contents74 pub import_resolver: Box<dyn ImportResolver>,75 /// Used in manifestification functions76 pub manifest_format: ManifestFormat,77 /// Used for bindings78 pub trace_format: Box<dyn TraceFormat>,79}80impl Default for EvaluationSettings {81 fn default() -> Self {82 EvaluationSettings {83 max_stack: 200,84 max_trace: 20,85 globals: Default::default(),86 ext_vars: Default::default(),87 tla_vars: Default::default(),88 import_resolver: Box::new(DummyImportResolver),89 manifest_format: ManifestFormat::Json(4),90 trace_format: Box::new(CompactFormat {91 padding: 4,92 resolver: trace::PathResolver::Absolute,93 }),94 }95 }96}9798#[derive(Default)]99struct EvaluationData {100 /// Used for stack overflow detection, stacktrace is now populated on unwind101 stack_depth: usize,102 /// Contains file source codes and evaluated results for imports and pretty103 /// printing stacktraces104 files: HashMap<Rc<PathBuf>, FileData>,105 str_files: HashMap<Rc<PathBuf>, Rc<str>>,106}107108pub struct FileData {109 source_code: Rc<str>,110 parsed: LocExpr,111 evaluated: Option<Val>,112}113#[derive(Default)]114pub struct EvaluationStateInternals {115 /// Internal state116 data: RefCell<EvaluationData>,117 /// Settings, safe to change at runtime118 settings: RefCell<EvaluationSettings>,119}120121thread_local! {122 /// Contains state for currently executing file123 /// Global state is fine there124 pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)125}126pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {127 EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))128}129pub(crate) fn push<T>(130 e: &Option<ExprLocation>,131 frame_desc: impl FnOnce() -> String,132 f: impl FnOnce() -> Result<T>,133) -> Result<T> {134 if let Some(v) = e {135 with_state(|s| s.push(&v, frame_desc, f))136 } else {137 f()138 }139}140141/// Maintains stack trace and import resolution142#[derive(Default, Clone)]143pub struct EvaluationState(Rc<EvaluationStateInternals>);144145impl EvaluationState {146 /// Parses and adds file to loaded147 pub fn add_file(&self, path: Rc<PathBuf>, source_code: Rc<str>) -> Result<()> {148 self.add_parsed_file(149 path.clone(),150 source_code.clone(),151 parse(152 &source_code,153 &ParserSettings {154 file_name: path.clone(),155 loc_data: true,156 },157 )158 .map_err(|error| ImportSyntaxError {159 error,160 path,161 source_code,162 })?,163 )?;164165 Ok(())166 }167168 /// Adds file by source code and parsed expr169 pub fn add_parsed_file(170 &self,171 name: Rc<PathBuf>,172 source_code: Rc<str>,173 parsed: LocExpr,174 ) -> Result<()> {175 self.data_mut().files.insert(176 name,177 FileData {178 source_code,179 parsed,180 evaluated: None,181 },182 );183184 Ok(())185 }186 pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {187 let ro_map = &self.data().files;188 ro_map.get(name).map(|value| value.source_code.clone())189 }190 pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {191 offset_to_location(&self.get_source(file).unwrap(), locs)192 }193194 pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {195 let file_path = self.resolve_file(from, path)?;196 {197 let files = &self.data().files;198 if files.contains_key(&file_path) {199 return self.evaluate_loaded_file_raw(&file_path);200 }201 }202 let contents = self.load_file_contents(&file_path)?;203 self.add_file(file_path.clone(), contents)?;204 self.evaluate_loaded_file_raw(&file_path)205 }206 pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {207 let path = self.resolve_file(from, path)?;208 if !self.data().str_files.contains_key(&path) {209 let file_str = self.load_file_contents(&path)?;210 self.data_mut().str_files.insert(path.clone(), file_str);211 }212 Ok(self.data().str_files.get(&path).cloned().unwrap())213 }214215 fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {216 let expr: LocExpr = {217 let ro_map = &self.data().files;218 let value = ro_map219 .get(name)220 .unwrap_or_else(|| panic!("file not added: {:?}", name));221 if let Some(ref evaluated) = value.evaluated {222 return Ok(evaluated.clone());223 }224 value.parsed.clone()225 };226 let value = evaluate(self.create_default_context()?, &expr)?;227 {228 self.data_mut()229 .files230 .get_mut(name)231 .unwrap()232 .evaluated233 .replace(value.clone());234 }235 Ok(value)236 }237238 /// Adds standard library global variable (std) to this evaluator239 pub fn with_stdlib(&self) -> &Self {240 use jrsonnet_stdlib::STDLIB_STR;241 let std_path = Rc::new(PathBuf::from("std.jsonnet"));242 self.run_in_state(|| {243 self.add_parsed_file(244 std_path.clone(),245 STDLIB_STR.to_owned().into(),246 builtin::get_parsed_stdlib(),247 )248 .unwrap();249 let val = self.evaluate_loaded_file_raw(&std_path).unwrap();250 self.settings_mut().globals.insert("std".into(), val);251 });252 self253 }254255 /// Creates context with all passed global variables256 pub fn create_default_context(&self) -> Result<Context> {257 let globals = &self.settings().globals;258 let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();259 for (name, value) in globals.iter() {260 new_bindings.insert(261 name.clone(),262 LazyBinding::Bound(resolved_lazy_val!(value.clone())),263 );264 }265 Context::new().extend_unbound(new_bindings, None, None, None)266 }267268 /// Executes code, creating new stack frame269 pub fn push<T>(270 &self,271 e: &ExprLocation,272 frame_desc: impl FnOnce() -> String,273 f: impl FnOnce() -> Result<T>,274 ) -> Result<T> {275 {276 let mut data = self.data_mut();277 let stack_depth = &mut data.stack_depth;278 if *stack_depth > self.max_stack() {279 // Error creation uses data, so i drop guard here280 drop(data);281 throw!(StackOverflow);282 } else {283 *stack_depth += 1;284 }285 }286 let result = f();287 self.data_mut().stack_depth -= 1;288 if let Err(mut err) = result {289 (err.1).0.push(StackTraceElement {290 location: e.clone(),291 desc: frame_desc(),292 });293 return Err(err);294 }295 result296 }297298 /// Runs passed function in state (required, if function needs to modify stack trace)299 pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {300 EVAL_STATE.with(|v| {301 let has_state = v.borrow().is_some();302 if !has_state {303 v.borrow_mut().replace(self.clone());304 }305 let result = f();306 if !has_state {307 v.borrow_mut().take();308 }309 result310 })311 }312313 pub fn stringify_err(&self, e: &LocError) -> String {314 let mut out = String::new();315 self.settings()316 .trace_format317 .write_trace(&mut out, self, e)318 .unwrap();319 out320 }321322 pub fn manifest(&self, val: Val) -> Result<Rc<str>> {323 self.run_in_state(|| {324 Ok(match self.manifest_format() {325 ManifestFormat::Yaml(padding) => val.into_yaml(padding)?,326 ManifestFormat::Json(padding) => val.into_json(padding)?,327 ManifestFormat::None => match val {328 Val::Str(s) => s,329 _ => throw!(StringManifestOutputIsNotAString),330 },331 })332 })333 }334335 /// If passed value is function - call with set TLA336 pub fn with_tla(&self, val: Val) -> Result<Val> {337 Ok(match val {338 Val::Func(func) => func.evaluate_map(339 self.create_default_context()?,340 &self.settings().tla_vars,341 true,342 )?,343 v => v,344 })345 }346}347348/// Internals349impl EvaluationState {350 fn data(&self) -> Ref<EvaluationData> {351 self.0.data.borrow()352 }353 fn data_mut(&self) -> RefMut<EvaluationData> {354 self.0.data.borrow_mut()355 }356 pub fn settings(&self) -> Ref<EvaluationSettings> {357 self.0.settings.borrow()358 }359 pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {360 self.0.settings.borrow_mut()361 }362}363364/// Raw methods evaluates passed values, but not performs TLA execution365impl EvaluationState {366 pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {367 self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), &name))368 }369 pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {370 self.run_in_state(|| self.import_file(&PathBuf::from("."), &name))371 }372 /// Parses and evaluates snippet373 pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {374 let parsed = parse(375 &code,376 &ParserSettings {377 file_name: source.clone(),378 loc_data: true,379 },380 )381 .unwrap();382 self.add_parsed_file(source, code, parsed.clone())?;383 self.evaluate_expr_raw(parsed)384 }385 /// Evaluates parsed expression386 pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {387 self.run_in_state(|| evaluate(self.create_default_context()?, &code))388 }389}390391/// Settings utilities392impl EvaluationState {393 pub fn add_ext_var(&self, name: Rc<str>, value: Val) {394 self.settings_mut().ext_vars.insert(name, value);395 }396 pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {397 self.add_ext_var(name, Val::Str(value));398 }399 pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {400 let value =401 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;402 self.add_ext_var(name, value);403 Ok(())404 }405406 pub fn add_tla(&self, name: Rc<str>, value: Val) {407 self.settings_mut().tla_vars.insert(name, value);408 }409 pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {410 self.add_tla(name, Val::Str(value));411 }412 pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {413 let value =414 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;415 self.add_ext_var(name, value);416 Ok(())417 }418419 pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {420 Ok(self.settings().import_resolver.resolve_file(from, path)?)421 }422 pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {423 Ok(self.settings().import_resolver.load_file_contents(path)?)424 }425426 pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {427 Ref::map(self.settings(), |s| &*s.import_resolver)428 }429 pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {430 self.settings_mut().import_resolver = resolver;431 }432433 pub fn manifest_format(&self) -> ManifestFormat {434 self.settings().manifest_format.clone()435 }436 pub fn set_manifest_format(&self, format: ManifestFormat) {437 self.settings_mut().manifest_format = format;438 }439440 pub fn trace_format(&self) -> Ref<dyn TraceFormat> {441 Ref::map(self.settings(), |s| &*s.trace_format)442 }443 pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {444 self.settings_mut().trace_format = format;445 }446447 pub fn max_trace(&self) -> usize {448 self.settings().max_trace449 }450 pub fn set_max_trace(&self, trace: usize) {451 self.settings_mut().max_trace = trace;452 }453454 pub fn max_stack(&self) -> usize {455 self.settings().max_stack456 }457 pub fn set_max_stack(&self, trace: usize) {458 self.settings_mut().max_stack = trace;459 }460}461462#[cfg(test)]463pub mod tests {464 use super::Val;465 use crate::{error::Error::*, primitive_equals, EvaluationState};466 use jrsonnet_parser::*;467 use std::{path::PathBuf, rc::Rc};468469 #[test]470 #[should_panic]471 fn eval_state_stacktrace() {472 let state = EvaluationState::default();473 state.run_in_state(|| {474 state475 .push(476 &ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),477 || "outer".to_owned(),478 || {479 state.push(480 &ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),481 || "inner".to_owned(),482 || Err(RuntimeError("".into()).into()),483 )?;484 Ok(())485 },486 )487 .unwrap();488 });489 }490491 #[test]492 fn eval_state_standard() {493 let state = EvaluationState::default();494 state.with_stdlib();495 assert!(primitive_equals(496 &state497 .evaluate_snippet_raw(498 Rc::new(PathBuf::from("raw.jsonnet")),499 r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()500 )501 .unwrap(),502 &Val::Bool(true),503 )504 .unwrap());505 }506507 macro_rules! eval {508 ($str: expr) => {509 EvaluationState::default()510 .with_stdlib()511 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())512 .unwrap()513 };514 }515 macro_rules! eval_json {516 ($str: expr) => {{517 let evaluator = EvaluationState::default();518 evaluator.with_stdlib();519 evaluator.run_in_state(|| {520 evaluator521 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())522 .unwrap()523 .into_json(0)524 .unwrap()525 .replace("\n", "")526 })527 }};528 }529530 /// Asserts given code returns `true`531 macro_rules! assert_eval {532 ($str: expr) => {533 assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())534 };535 }536537 /// Asserts given code returns `false`538 macro_rules! assert_eval_neg {539 ($str: expr) => {540 assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())541 };542 }543 macro_rules! assert_json {544 ($str: expr, $out: expr) => {545 assert_eq!(eval_json!($str), $out.replace("\t", ""))546 };547 }548549 /// Sanity checking, before trusting to another tests550 #[test]551 fn equality_operator() {552 assert_eval!("2 == 2");553 assert_eval_neg!("2 != 2");554 assert_eval!("2 != 3");555 assert_eval_neg!("2 == 3");556 assert_eval!("'Hello' == 'Hello'");557 assert_eval_neg!("'Hello' != 'Hello'");558 assert_eval!("'Hello' != 'World'");559 assert_eval_neg!("'Hello' == 'World'");560 }561562 #[test]563 fn math_evaluation() {564 assert_eval!("2 + 2 * 2 == 6");565 assert_eval!("3 + (2 + 2 * 2) == 9");566 }567568 #[test]569 fn string_concat() {570 assert_eval!("'Hello' + 'World' == 'HelloWorld'");571 assert_eval!("'Hello' * 3 == 'HelloHelloHello'");572 assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");573 }574575 #[test]576 fn faster_join() {577 assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");578 assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");579 }580581 #[test]582 fn function_contexts() {583 assert_eval!(584 r#"585 local k = {586 t(name = self.h): [self.h, name],587 h: 3,588 };589 local f = {590 t: k.t(),591 h: 4,592 };593 f.t[0] == f.t[1]594 "#595 );596 }597598 #[test]599 fn local() {600 assert_eval!("local a = 2; local b = 3; a + b == 5");601 assert_eval!("local a = 1, b = a + 1; a + b == 3");602 assert_eval!("local a = 1; local a = 2; a == 2");603 }604605 #[test]606 fn object_lazyness() {607 assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);608 }609610 #[test]611 fn object_inheritance() {612 assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);613 }614615 #[test]616 fn object_assertion_success() {617 eval!("{assert \"a\" in self} + {a:2}");618 }619620 #[test]621 fn object_assertion_error() {622 eval!("{assert \"a\" in self}");623 }624625 #[test]626 fn lazy_args() {627 eval!("local test(a) = 2; test(error '3')");628 }629630 #[test]631 #[should_panic]632 fn tailstrict_args() {633 eval!("local test(a) = 2; test(error '3') tailstrict");634 }635636 #[test]637 #[should_panic]638 fn no_binding_error() {639 eval!("a");640 }641642 #[test]643 fn test_object() {644 assert_json!("{a:2}", r#"{"a": 2}"#);645 assert_json!("{a:2+2}", r#"{"a": 4}"#);646 assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);647 assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);648 assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);649 assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);650 assert_json!(651 r#"652 {653 name: "Alice",654 welcome: "Hello " + self.name + "!",655 }656 "#,657 r#"{"name": "Alice","welcome": "Hello Alice!"}"#658 );659 assert_json!(660 r#"661 {662 name: "Alice",663 welcome: "Hello " + self.name + "!",664 } + {665 name: "Bob"666 }667 "#,668 r#"{"name": "Bob","welcome": "Hello Bob!"}"#669 );670 }671672 #[test]673 fn functions() {674 assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");675 assert_json!(676 r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,677 r#""HelloDearWorld""#678 );679 }680681 #[test]682 fn local_methods() {683 assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");684 assert_json!(685 r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,686 r#""HelloDearWorld""#687 );688 }689690 #[test]691 fn object_locals() {692 assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);693 assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);694 assert_json!(695 r#"{local a = function (b) {[b]:4}, test: a("test")}"#,696 r#"{"test": {"test": 4}}"#697 );698 }699700 #[test]701 fn object_comp() {702 assert_json!(703 r#"{local t = "a", ["h"+i+"_"+z]: if "h"+(i-1)+"_"+z in self then t+1 else 0+t for i in [1,2,3] for z in [2,3,4] if z != i}"#,704 "{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"705 )706 }707708 #[test]709 fn direct_self() {710 println!(711 "{:#?}",712 eval!(713 r#"714 {715 local me = self,716 a: 3,717 b(): me.a,718 }719 "#720 )721 );722 }723724 #[test]725 fn indirect_self() {726 // `self` assigned to `me` was lost when being727 // referenced from field728 eval!(729 r#"{730 local me = self,731 a: 3,732 b: me.a,733 }.b"#734 );735 }736737 // We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly738 #[test]739 fn std_assert_ok() {740 eval!("std.assertEqual(4.5 << 2, 16)");741 }742743 #[test]744 #[should_panic]745 fn std_assert_failure() {746 eval!("std.assertEqual(4.5 << 2, 15)");747 }748749 #[test]750 fn string_is_string() {751 assert!(primitive_equals(752 &eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),753 &Val::Bool(false),754 )755 .unwrap());756 }757758 #[test]759 fn base64_works() {760 assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);761 }762763 #[test]764 fn utf8_chars() {765 assert_json!(766 r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,767 r#"{"c": 128526,"l": 1}"#768 )769 }770771 #[test]772 fn json() {773 assert_json!(774 r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,775 r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#776 );777 }778779 #[test]780 fn test() {781 assert_json!(782 r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,783 "[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"784 );785 }786787 #[test]788 fn sjsonnet() {789 eval!(790 r#"791 local x0 = {k: 1};792 local x1 = {k: x0.k + x0.k};793 local x2 = {k: x1.k + x1.k};794 local x3 = {k: x2.k + x2.k};795 local x4 = {k: x3.k + x3.k};796 local x5 = {k: x4.k + x4.k};797 local x6 = {k: x5.k + x5.k};798 local x7 = {k: x6.k + x6.k};799 local x8 = {k: x7.k + x7.k};800 local x9 = {k: x8.k + x8.k};801 local x10 = {k: x9.k + x9.k};802 local x11 = {k: x10.k + x10.k};803 local x12 = {k: x11.k + x11.k};804 local x13 = {k: x12.k + x12.k};805 local x14 = {k: x13.k + x13.k};806 local x15 = {k: x14.k + x14.k};807 local x16 = {k: x15.k + x15.k};808 local x17 = {k: x16.k + x16.k};809 local x18 = {k: x17.k + x17.k};810 local x19 = {k: x18.k + x18.k};811 local x20 = {k: x19.k + x19.k};812 local x21 = {k: x20.k + x20.k};813 x21.k814 "#815 );816 }817818 // This test is commented out by default, because of huge compilation slowdown819 // #[bench]820 // fn bench_codegen(b: &mut Bencher) {821 // b.iter(|| {822 // #[allow(clippy::all)]823 // let stdlib = {824 // use jrsonnet_parser::*;825 // include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))826 // };827 // stdlib828 // })829 // }830831 /*832 #[bench]833 fn bench_serialize(b: &mut Bencher) {834 b.iter(|| {835 bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(836 env!("OUT_DIR"),837 "/stdlib.bincode"838 )))839 .expect("deserialize stdlib")840 })841 }842843 #[bench]844 fn bench_parse(b: &mut Bencher) {845 b.iter(|| {846 jrsonnet_parser::parse(847 jrsonnet_stdlib::STDLIB_STR,848 &jrsonnet_parser::ParserSettings {849 loc_data: true,850 file_name: Rc::new(PathBuf::from("std.jsonnet")),851 },852 )853 })854 }855 */856857 #[test]858 fn equality() {859 println!(860 "{:?}",861 jrsonnet_parser::parse(862 "{ x: 1, y: 2 } == { x: 1, y: 2 }",863 &ParserSettings::default()864 )865 );866 assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")867 }868}1#![cfg_attr(feature = "unstable", feature(stmt_expr_attributes))]2#![allow(macro_expanded_macro_exports_accessed_by_absolute_paths)]34mod builtin;5mod ctx;6mod dynamic;7pub mod error;8mod evaluate;9mod function;10mod import;11mod integrations;12mod map;13mod obj;14pub mod trace;15mod val;1617pub use ctx::*;18pub use dynamic::*;19use error::{Error::*, LocError, Result, StackTraceElement};20pub use evaluate::*;21pub use function::parse_function_call;22pub use import::*;23use jrsonnet_parser::*;24pub use obj::*;25use std::{26 cell::{Ref, RefCell, RefMut},27 collections::HashMap,28 fmt::Debug,29 path::PathBuf,30 rc::Rc,31};32use trace::{offset_to_location, CodeLocation, CompactFormat, TraceFormat};33pub use val::*;3435type BindableFn = dyn Fn(Option<ObjValue>, Option<ObjValue>) -> Result<LazyVal>;36#[derive(Clone)]37pub enum LazyBinding {38 Bindable(Rc<BindableFn>),39 Bound(LazyVal),40}4142impl Debug for LazyBinding {43 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {44 write!(f, "LazyBinding")45 }46}47impl LazyBinding {48 pub fn evaluate(&self, this: Option<ObjValue>, super_obj: Option<ObjValue>) -> Result<LazyVal> {49 match self {50 LazyBinding::Bindable(v) => v(this, super_obj),51 LazyBinding::Bound(v) => Ok(v.clone()),52 }53 }54}5556#[derive(Clone)]57pub enum ManifestFormat {58 Yaml(usize),59 Json(usize),60 None,61}6263pub struct EvaluationSettings {64 /// Limits recursion by limiting stack frames65 pub max_stack: usize,66 /// Limit amount of stack trace items preserved67 pub max_trace: usize,68 /// Used for std.extVar69 pub ext_vars: HashMap<Rc<str>, Val>,70 /// TLA vars71 pub tla_vars: HashMap<Rc<str>, Val>,72 /// Global variables are inserted in default context73 pub globals: HashMap<Rc<str>, Val>,74 /// Used to resolve file locations/contents75 pub import_resolver: Box<dyn ImportResolver>,76 /// Used in manifestification functions77 pub manifest_format: ManifestFormat,78 /// Used for bindings79 pub trace_format: Box<dyn TraceFormat>,80}81impl Default for EvaluationSettings {82 fn default() -> Self {83 EvaluationSettings {84 max_stack: 200,85 max_trace: 20,86 globals: Default::default(),87 ext_vars: Default::default(),88 tla_vars: Default::default(),89 import_resolver: Box::new(DummyImportResolver),90 manifest_format: ManifestFormat::Json(4),91 trace_format: Box::new(CompactFormat {92 padding: 4,93 resolver: trace::PathResolver::Absolute,94 }),95 }96 }97}9899#[derive(Default)]100struct EvaluationData {101 /// Used for stack overflow detection, stacktrace is now populated on unwind102 stack_depth: usize,103 /// Contains file source codes and evaluated results for imports and pretty104 /// printing stacktraces105 files: HashMap<Rc<PathBuf>, FileData>,106 str_files: HashMap<Rc<PathBuf>, Rc<str>>,107}108109pub struct FileData {110 source_code: Rc<str>,111 parsed: LocExpr,112 evaluated: Option<Val>,113}114#[derive(Default)]115pub struct EvaluationStateInternals {116 /// Internal state117 data: RefCell<EvaluationData>,118 /// Settings, safe to change at runtime119 settings: RefCell<EvaluationSettings>,120}121122thread_local! {123 /// Contains state for currently executing file124 /// Global state is fine there125 pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)126}127pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {128 EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))129}130pub(crate) fn push<T>(131 e: &Option<ExprLocation>,132 frame_desc: impl FnOnce() -> String,133 f: impl FnOnce() -> Result<T>,134) -> Result<T> {135 if let Some(v) = e {136 with_state(|s| s.push(&v, frame_desc, f))137 } else {138 f()139 }140}141142/// Maintains stack trace and import resolution143#[derive(Default, Clone)]144pub struct EvaluationState(Rc<EvaluationStateInternals>);145146impl EvaluationState {147 /// Parses and adds file to loaded148 pub fn add_file(&self, path: Rc<PathBuf>, source_code: Rc<str>) -> Result<()> {149 self.add_parsed_file(150 path.clone(),151 source_code.clone(),152 parse(153 &source_code,154 &ParserSettings {155 file_name: path.clone(),156 loc_data: true,157 },158 )159 .map_err(|error| ImportSyntaxError {160 error,161 path,162 source_code,163 })?,164 )?;165166 Ok(())167 }168169 /// Adds file by source code and parsed expr170 pub fn add_parsed_file(171 &self,172 name: Rc<PathBuf>,173 source_code: Rc<str>,174 parsed: LocExpr,175 ) -> Result<()> {176 self.data_mut().files.insert(177 name,178 FileData {179 source_code,180 parsed,181 evaluated: None,182 },183 );184185 Ok(())186 }187 pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {188 let ro_map = &self.data().files;189 ro_map.get(name).map(|value| value.source_code.clone())190 }191 pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {192 offset_to_location(&self.get_source(file).unwrap(), locs)193 }194195 pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {196 let file_path = self.resolve_file(from, path)?;197 {198 let files = &self.data().files;199 if files.contains_key(&file_path) {200 return self.evaluate_loaded_file_raw(&file_path);201 }202 }203 let contents = self.load_file_contents(&file_path)?;204 self.add_file(file_path.clone(), contents)?;205 self.evaluate_loaded_file_raw(&file_path)206 }207 pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {208 let path = self.resolve_file(from, path)?;209 if !self.data().str_files.contains_key(&path) {210 let file_str = self.load_file_contents(&path)?;211 self.data_mut().str_files.insert(path.clone(), file_str);212 }213 Ok(self.data().str_files.get(&path).cloned().unwrap())214 }215216 fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {217 let expr: LocExpr = {218 let ro_map = &self.data().files;219 let value = ro_map220 .get(name)221 .unwrap_or_else(|| panic!("file not added: {:?}", name));222 if let Some(ref evaluated) = value.evaluated {223 return Ok(evaluated.clone());224 }225 value.parsed.clone()226 };227 let value = evaluate(self.create_default_context()?, &expr)?;228 {229 self.data_mut()230 .files231 .get_mut(name)232 .unwrap()233 .evaluated234 .replace(value.clone());235 }236 Ok(value)237 }238239 /// Adds standard library global variable (std) to this evaluator240 pub fn with_stdlib(&self) -> &Self {241 use jrsonnet_stdlib::STDLIB_STR;242 let std_path = Rc::new(PathBuf::from("std.jsonnet"));243 self.run_in_state(|| {244 self.add_parsed_file(245 std_path.clone(),246 STDLIB_STR.to_owned().into(),247 builtin::get_parsed_stdlib(),248 )249 .unwrap();250 let val = self.evaluate_loaded_file_raw(&std_path).unwrap();251 self.settings_mut().globals.insert("std".into(), val);252 });253 self254 }255256 /// Creates context with all passed global variables257 pub fn create_default_context(&self) -> Result<Context> {258 let globals = &self.settings().globals;259 let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();260 for (name, value) in globals.iter() {261 new_bindings.insert(262 name.clone(),263 LazyBinding::Bound(resolved_lazy_val!(value.clone())),264 );265 }266 Context::new().extend_unbound(new_bindings, None, None, None)267 }268269 /// Executes code, creating new stack frame270 pub fn push<T>(271 &self,272 e: &ExprLocation,273 frame_desc: impl FnOnce() -> String,274 f: impl FnOnce() -> Result<T>,275 ) -> Result<T> {276 {277 let mut data = self.data_mut();278 let stack_depth = &mut data.stack_depth;279 if *stack_depth > self.max_stack() {280 // Error creation uses data, so i drop guard here281 drop(data);282 throw!(StackOverflow);283 } else {284 *stack_depth += 1;285 }286 }287 let result = f();288 self.data_mut().stack_depth -= 1;289 if let Err(mut err) = result {290 (err.1).0.push(StackTraceElement {291 location: e.clone(),292 desc: frame_desc(),293 });294 return Err(err);295 }296 result297 }298299 /// Runs passed function in state (required, if function needs to modify stack trace)300 pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {301 EVAL_STATE.with(|v| {302 let has_state = v.borrow().is_some();303 if !has_state {304 v.borrow_mut().replace(self.clone());305 }306 let result = f();307 if !has_state {308 v.borrow_mut().take();309 }310 result311 })312 }313314 pub fn stringify_err(&self, e: &LocError) -> String {315 let mut out = String::new();316 self.settings()317 .trace_format318 .write_trace(&mut out, self, e)319 .unwrap();320 out321 }322323 pub fn manifest(&self, val: Val) -> Result<Rc<str>> {324 self.run_in_state(|| {325 Ok(match self.manifest_format() {326 ManifestFormat::Yaml(padding) => val.into_yaml(padding)?,327 ManifestFormat::Json(padding) => val.into_json(padding)?,328 ManifestFormat::None => match val {329 Val::Str(s) => s,330 _ => throw!(StringManifestOutputIsNotAString),331 },332 })333 })334 }335336 /// If passed value is function - call with set TLA337 pub fn with_tla(&self, val: Val) -> Result<Val> {338 Ok(match val {339 Val::Func(func) => func.evaluate_map(340 self.create_default_context()?,341 &self.settings().tla_vars,342 true,343 )?,344 v => v,345 })346 }347}348349/// Internals350impl EvaluationState {351 fn data(&self) -> Ref<EvaluationData> {352 self.0.data.borrow()353 }354 fn data_mut(&self) -> RefMut<EvaluationData> {355 self.0.data.borrow_mut()356 }357 pub fn settings(&self) -> Ref<EvaluationSettings> {358 self.0.settings.borrow()359 }360 pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {361 self.0.settings.borrow_mut()362 }363}364365/// Raw methods evaluates passed values, but not performs TLA execution366impl EvaluationState {367 pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {368 self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), &name))369 }370 pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {371 self.run_in_state(|| self.import_file(&PathBuf::from("."), &name))372 }373 /// Parses and evaluates snippet374 pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {375 let parsed = parse(376 &code,377 &ParserSettings {378 file_name: source.clone(),379 loc_data: true,380 },381 )382 .unwrap();383 self.add_parsed_file(source, code, parsed.clone())?;384 self.evaluate_expr_raw(parsed)385 }386 /// Evaluates parsed expression387 pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {388 self.run_in_state(|| evaluate(self.create_default_context()?, &code))389 }390}391392/// Settings utilities393impl EvaluationState {394 pub fn add_ext_var(&self, name: Rc<str>, value: Val) {395 self.settings_mut().ext_vars.insert(name, value);396 }397 pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {398 self.add_ext_var(name, Val::Str(value));399 }400 pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {401 let value =402 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;403 self.add_ext_var(name, value);404 Ok(())405 }406407 pub fn add_tla(&self, name: Rc<str>, value: Val) {408 self.settings_mut().tla_vars.insert(name, value);409 }410 pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {411 self.add_tla(name, Val::Str(value));412 }413 pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {414 let value =415 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;416 self.add_ext_var(name, value);417 Ok(())418 }419420 pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {421 Ok(self.settings().import_resolver.resolve_file(from, path)?)422 }423 pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {424 Ok(self.settings().import_resolver.load_file_contents(path)?)425 }426427 pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {428 Ref::map(self.settings(), |s| &*s.import_resolver)429 }430 pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {431 self.settings_mut().import_resolver = resolver;432 }433434 pub fn manifest_format(&self) -> ManifestFormat {435 self.settings().manifest_format.clone()436 }437 pub fn set_manifest_format(&self, format: ManifestFormat) {438 self.settings_mut().manifest_format = format;439 }440441 pub fn trace_format(&self) -> Ref<dyn TraceFormat> {442 Ref::map(self.settings(), |s| &*s.trace_format)443 }444 pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {445 self.settings_mut().trace_format = format;446 }447448 pub fn max_trace(&self) -> usize {449 self.settings().max_trace450 }451 pub fn set_max_trace(&self, trace: usize) {452 self.settings_mut().max_trace = trace;453 }454455 pub fn max_stack(&self) -> usize {456 self.settings().max_stack457 }458 pub fn set_max_stack(&self, trace: usize) {459 self.settings_mut().max_stack = trace;460 }461}462463#[cfg(test)]464pub mod tests {465 use super::Val;466 use crate::{error::Error::*, primitive_equals, EvaluationState};467 use jrsonnet_parser::*;468 use std::{path::PathBuf, rc::Rc};469470 #[test]471 #[should_panic]472 fn eval_state_stacktrace() {473 let state = EvaluationState::default();474 state.run_in_state(|| {475 state476 .push(477 &ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),478 || "outer".to_owned(),479 || {480 state.push(481 &ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),482 || "inner".to_owned(),483 || Err(RuntimeError("".into()).into()),484 )?;485 Ok(())486 },487 )488 .unwrap();489 });490 }491492 #[test]493 fn eval_state_standard() {494 let state = EvaluationState::default();495 state.with_stdlib();496 assert!(primitive_equals(497 &state498 .evaluate_snippet_raw(499 Rc::new(PathBuf::from("raw.jsonnet")),500 r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()501 )502 .unwrap(),503 &Val::Bool(true),504 )505 .unwrap());506 }507508 macro_rules! eval {509 ($str: expr) => {510 EvaluationState::default()511 .with_stdlib()512 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())513 .unwrap()514 };515 }516 macro_rules! eval_json {517 ($str: expr) => {{518 let evaluator = EvaluationState::default();519 evaluator.with_stdlib();520 evaluator.run_in_state(|| {521 evaluator522 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())523 .unwrap()524 .into_json(0)525 .unwrap()526 .replace("\n", "")527 })528 }};529 }530531 /// Asserts given code returns `true`532 macro_rules! assert_eval {533 ($str: expr) => {534 assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())535 };536 }537538 /// Asserts given code returns `false`539 macro_rules! assert_eval_neg {540 ($str: expr) => {541 assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())542 };543 }544 macro_rules! assert_json {545 ($str: expr, $out: expr) => {546 assert_eq!(eval_json!($str), $out.replace("\t", ""))547 };548 }549550 /// Sanity checking, before trusting to another tests551 #[test]552 fn equality_operator() {553 assert_eval!("2 == 2");554 assert_eval_neg!("2 != 2");555 assert_eval!("2 != 3");556 assert_eval_neg!("2 == 3");557 assert_eval!("'Hello' == 'Hello'");558 assert_eval_neg!("'Hello' != 'Hello'");559 assert_eval!("'Hello' != 'World'");560 assert_eval_neg!("'Hello' == 'World'");561 }562563 #[test]564 fn math_evaluation() {565 assert_eval!("2 + 2 * 2 == 6");566 assert_eval!("3 + (2 + 2 * 2) == 9");567 }568569 #[test]570 fn string_concat() {571 assert_eval!("'Hello' + 'World' == 'HelloWorld'");572 assert_eval!("'Hello' * 3 == 'HelloHelloHello'");573 assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");574 }575576 #[test]577 fn faster_join() {578 assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");579 assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");580 }581582 #[test]583 fn function_contexts() {584 assert_eval!(585 r#"586 local k = {587 t(name = self.h): [self.h, name],588 h: 3,589 };590 local f = {591 t: k.t(),592 h: 4,593 };594 f.t[0] == f.t[1]595 "#596 );597 }598599 #[test]600 fn local() {601 assert_eval!("local a = 2; local b = 3; a + b == 5");602 assert_eval!("local a = 1, b = a + 1; a + b == 3");603 assert_eval!("local a = 1; local a = 2; a == 2");604 }605606 #[test]607 fn object_lazyness() {608 assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);609 }610611 #[test]612 fn object_inheritance() {613 assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);614 }615616 #[test]617 fn object_assertion_success() {618 eval!("{assert \"a\" in self} + {a:2}");619 }620621 #[test]622 fn object_assertion_error() {623 eval!("{assert \"a\" in self}");624 }625626 #[test]627 fn lazy_args() {628 eval!("local test(a) = 2; test(error '3')");629 }630631 #[test]632 #[should_panic]633 fn tailstrict_args() {634 eval!("local test(a) = 2; test(error '3') tailstrict");635 }636637 #[test]638 #[should_panic]639 fn no_binding_error() {640 eval!("a");641 }642643 #[test]644 fn test_object() {645 assert_json!("{a:2}", r#"{"a": 2}"#);646 assert_json!("{a:2+2}", r#"{"a": 4}"#);647 assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);648 assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);649 assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);650 assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);651 assert_json!(652 r#"653 {654 name: "Alice",655 welcome: "Hello " + self.name + "!",656 }657 "#,658 r#"{"name": "Alice","welcome": "Hello Alice!"}"#659 );660 assert_json!(661 r#"662 {663 name: "Alice",664 welcome: "Hello " + self.name + "!",665 } + {666 name: "Bob"667 }668 "#,669 r#"{"name": "Bob","welcome": "Hello Bob!"}"#670 );671 }672673 #[test]674 fn functions() {675 assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");676 assert_json!(677 r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,678 r#""HelloDearWorld""#679 );680 }681682 #[test]683 fn local_methods() {684 assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");685 assert_json!(686 r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,687 r#""HelloDearWorld""#688 );689 }690691 #[test]692 fn object_locals() {693 assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);694 assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);695 assert_json!(696 r#"{local a = function (b) {[b]:4}, test: a("test")}"#,697 r#"{"test": {"test": 4}}"#698 );699 }700701 #[test]702 fn object_comp() {703 assert_json!(704 r#"{local t = "a", ["h"+i+"_"+z]: if "h"+(i-1)+"_"+z in self then t+1 else 0+t for i in [1,2,3] for z in [2,3,4] if z != i}"#,705 "{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"706 )707 }708709 #[test]710 fn direct_self() {711 println!(712 "{:#?}",713 eval!(714 r#"715 {716 local me = self,717 a: 3,718 b(): me.a,719 }720 "#721 )722 );723 }724725 #[test]726 fn indirect_self() {727 // `self` assigned to `me` was lost when being728 // referenced from field729 eval!(730 r#"{731 local me = self,732 a: 3,733 b: me.a,734 }.b"#735 );736 }737738 // We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly739 #[test]740 fn std_assert_ok() {741 eval!("std.assertEqual(4.5 << 2, 16)");742 }743744 #[test]745 #[should_panic]746 fn std_assert_failure() {747 eval!("std.assertEqual(4.5 << 2, 15)");748 }749750 #[test]751 fn string_is_string() {752 assert!(primitive_equals(753 &eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),754 &Val::Bool(false),755 )756 .unwrap());757 }758759 #[test]760 fn base64_works() {761 assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);762 }763764 #[test]765 fn utf8_chars() {766 assert_json!(767 r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,768 r#"{"c": 128526,"l": 1}"#769 )770 }771772 #[test]773 fn json() {774 assert_json!(775 r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,776 r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#777 );778 }779780 #[test]781 fn test() {782 assert_json!(783 r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,784 "[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"785 );786 }787788 #[test]789 fn sjsonnet() {790 eval!(791 r#"792 local x0 = {k: 1};793 local x1 = {k: x0.k + x0.k};794 local x2 = {k: x1.k + x1.k};795 local x3 = {k: x2.k + x2.k};796 local x4 = {k: x3.k + x3.k};797 local x5 = {k: x4.k + x4.k};798 local x6 = {k: x5.k + x5.k};799 local x7 = {k: x6.k + x6.k};800 local x8 = {k: x7.k + x7.k};801 local x9 = {k: x8.k + x8.k};802 local x10 = {k: x9.k + x9.k};803 local x11 = {k: x10.k + x10.k};804 local x12 = {k: x11.k + x11.k};805 local x13 = {k: x12.k + x12.k};806 local x14 = {k: x13.k + x13.k};807 local x15 = {k: x14.k + x14.k};808 local x16 = {k: x15.k + x15.k};809 local x17 = {k: x16.k + x16.k};810 local x18 = {k: x17.k + x17.k};811 local x19 = {k: x18.k + x18.k};812 local x20 = {k: x19.k + x19.k};813 local x21 = {k: x20.k + x20.k};814 x21.k815 "#816 );817 }818819 // This test is commented out by default, because of huge compilation slowdown820 // #[bench]821 // fn bench_codegen(b: &mut Bencher) {822 // b.iter(|| {823 // #[allow(clippy::all)]824 // let stdlib = {825 // use jrsonnet_parser::*;826 // include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))827 // };828 // stdlib829 // })830 // }831832 /*833 #[bench]834 fn bench_serialize(b: &mut Bencher) {835 b.iter(|| {836 bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(837 env!("OUT_DIR"),838 "/stdlib.bincode"839 )))840 .expect("deserialize stdlib")841 })842 }843844 #[bench]845 fn bench_parse(b: &mut Bencher) {846 b.iter(|| {847 jrsonnet_parser::parse(848 jrsonnet_stdlib::STDLIB_STR,849 &jrsonnet_parser::ParserSettings {850 loc_data: true,851 file_name: Rc::new(PathBuf::from("std.jsonnet")),852 },853 )854 })855 }856 */857858 #[test]859 fn equality() {860 println!(861 "{:?}",862 jrsonnet_parser::parse(863 "{ x: 1, y: 2 } == { x: 1, y: 2 }",864 &ParserSettings::default()865 )866 );867 assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")868 }869}