difftreelog
feat yaml stream output
in: master
5 files changed
bindings/jsonnet/src/lib.rsdiffbeforeafterboth--- a/bindings/jsonnet/src/lib.rs
+++ b/bindings/jsonnet/src/lib.rs
@@ -54,7 +54,7 @@
#[no_mangle]
pub extern "C" fn jsonnet_string_output(vm: &EvaluationState, v: c_int) {
match v {
- 1 => vm.set_manifest_format(ManifestFormat::None),
+ 1 => vm.set_manifest_format(ManifestFormat::String),
0 => vm.set_manifest_format(ManifestFormat::Json(4)),
_ => panic!("incorrect output format"),
}
crates/jrsonnet-cli/src/manifest.rsdiffbeforeafterboth--- a/crates/jrsonnet-cli/src/manifest.rs
+++ b/crates/jrsonnet-cli/src/manifest.rs
@@ -5,7 +5,7 @@
pub enum ManifestFormatName {
/// Expect string as output, and write them directly
- None,
+ String,
Json,
Yaml,
}
@@ -14,7 +14,7 @@
type Err = &'static str;
fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
Ok(match s {
- "none" => ManifestFormatName::None,
+ "string" => ManifestFormatName::String,
"json" => ManifestFormatName::Json,
"yaml" => ManifestFormatName::Yaml,
_ => return Err("no such format"),
@@ -27,14 +27,17 @@
// #[clap(group = clap::ArgGroup::new("output_format"), help_heading = "MANIFESTIFICATION OUTPUT")]
pub struct ManifestOpts {
/// Output format, wraps resulting value to corresponding std.manifest call.
- /// If none - then jsonnet file is expected to return plain string value, otherwise
+ /// If string - then jsonnet file is expected to return plain string value, otherwise
/// output will be serialized to specified format
- #[clap(long, short = 'f', default_value = "json", possible_values = &["none", "json", "yaml"]/*, group = "output_format"*/)]
+ #[clap(long, short = 'f', default_value = "json", possible_values = &["string", "json", "yaml"]/*, group = "output_format"*/)]
format: ManifestFormatName,
/// Expect string as output, and write them directly.
- /// Shortcut for --format=none, and can't be set with format together
+ /// Shortcut for --format=string, and can't be set with format together
#[clap(long, short = 'S'/*, group = "output_format"*/)]
string: bool,
+ /// Write output as YAML stream, can be used with --format json/yaml
+ #[clap(long, short = 'y')]
+ yaml_stream: bool,
/// Numbed of spaces to pad output manifest with.
/// 0 for hard tabs, -1 for single line output
#[clap(long, default_value = "3")]
@@ -43,10 +46,10 @@
impl ConfigureState for ManifestOpts {
fn configure(&self, state: &EvaluationState) -> Result<()> {
if self.string {
- state.set_manifest_format(ManifestFormat::None);
+ state.set_manifest_format(ManifestFormat::String);
} else {
match self.format {
- ManifestFormatName::None => state.set_manifest_format(ManifestFormat::None),
+ ManifestFormatName::String => state.set_manifest_format(ManifestFormat::String),
ManifestFormatName::Json => {
state.set_manifest_format(ManifestFormat::Json(self.line_padding))
}
@@ -55,6 +58,11 @@
}
}
}
+ if self.yaml_stream {
+ state.set_manifest_format(ManifestFormat::YamlStream(Box::new(
+ state.manifest_format(),
+ )))
+ }
Ok(())
}
}
crates/jrsonnet-evaluator/src/error.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/error.rs
+++ b/crates/jrsonnet-evaluator/src/error.rs
@@ -58,6 +58,11 @@
DivisionByZero,
StringManifestOutputIsNotAString,
+ StreamManifestOutputIsNotAArray,
+ MultiManifestOutputIsNotAObject,
+
+ StreamManifestOutputCannotBeRecursed,
+ StreamManifestCannotNestString,
ImportCallbackError(String),
InvalidUnicodeCodepointGot(u32),
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 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}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}5556pub struct EvaluationSettings {57 /// Limits recursion by limiting stack frames58 pub max_stack: usize,59 /// Limit amount of stack trace items preserved60 pub max_trace: usize,61 /// Used for std.extVar62 pub ext_vars: HashMap<Rc<str>, Val>,63 /// TLA vars64 pub tla_vars: HashMap<Rc<str>, Val>,65 /// Global variables are inserted in default context66 pub globals: HashMap<Rc<str>, Val>,67 /// Used to resolve file locations/contents68 pub import_resolver: Box<dyn ImportResolver>,69 /// Used in manifestification functions70 pub manifest_format: ManifestFormat,71 /// Used for bindings72 pub trace_format: Box<dyn TraceFormat>,73}74impl Default for EvaluationSettings {75 fn default() -> Self {76 EvaluationSettings {77 max_stack: 200,78 max_trace: 20,79 globals: Default::default(),80 ext_vars: Default::default(),81 tla_vars: Default::default(),82 import_resolver: Box::new(DummyImportResolver),83 manifest_format: ManifestFormat::Json(4),84 trace_format: Box::new(CompactFormat {85 padding: 4,86 resolver: trace::PathResolver::Absolute,87 }),88 }89 }90}9192#[derive(Default)]93struct EvaluationData {94 /// Used for stack overflow detection, stacktrace is now populated on unwind95 stack_depth: usize,96 /// Contains file source codes and evaluated results for imports and pretty97 /// printing stacktraces98 files: HashMap<Rc<PathBuf>, FileData>,99 str_files: HashMap<Rc<PathBuf>, Rc<str>>,100}101102pub struct FileData {103 source_code: Rc<str>,104 parsed: LocExpr,105 evaluated: Option<Val>,106}107#[derive(Default)]108pub struct EvaluationStateInternals {109 /// Internal state110 data: RefCell<EvaluationData>,111 /// Settings, safe to change at runtime112 settings: RefCell<EvaluationSettings>,113}114115thread_local! {116 /// Contains state for currently executing file117 /// Global state is fine there118 pub(crate) static EVAL_STATE: RefCell<Option<EvaluationState>> = RefCell::new(None)119}120pub(crate) fn with_state<T>(f: impl FnOnce(&EvaluationState) -> T) -> T {121 EVAL_STATE.with(|s| f(s.borrow().as_ref().unwrap()))122}123pub(crate) fn push<T>(124 e: &Option<ExprLocation>,125 frame_desc: impl FnOnce() -> String,126 f: impl FnOnce() -> Result<T>,127) -> Result<T> {128 if let Some(v) = e {129 with_state(|s| s.push(&v, frame_desc, f))130 } else {131 f()132 }133}134135/// Maintains stack trace and import resolution136#[derive(Default, Clone)]137pub struct EvaluationState(Rc<EvaluationStateInternals>);138139impl EvaluationState {140 /// Parses and adds file to loaded141 pub fn add_file(&self, path: Rc<PathBuf>, source_code: Rc<str>) -> Result<()> {142 self.add_parsed_file(143 path.clone(),144 source_code.clone(),145 parse(146 &source_code,147 &ParserSettings {148 file_name: path.clone(),149 loc_data: true,150 },151 )152 .map_err(|error| ImportSyntaxError {153 error,154 path,155 source_code,156 })?,157 )?;158159 Ok(())160 }161162 /// Adds file by source code and parsed expr163 pub fn add_parsed_file(164 &self,165 name: Rc<PathBuf>,166 source_code: Rc<str>,167 parsed: LocExpr,168 ) -> Result<()> {169 self.data_mut().files.insert(170 name,171 FileData {172 source_code,173 parsed,174 evaluated: None,175 },176 );177178 Ok(())179 }180 pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {181 let ro_map = &self.data().files;182 ro_map.get(name).map(|value| value.source_code.clone())183 }184 pub fn map_source_locations(&self, file: &PathBuf, locs: &[usize]) -> Vec<CodeLocation> {185 offset_to_location(&self.get_source(file).unwrap(), locs)186 }187188 pub(crate) fn import_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Val> {189 let file_path = self.resolve_file(from, path)?;190 {191 let files = &self.data().files;192 if files.contains_key(&file_path) {193 return self.evaluate_loaded_file_raw(&file_path);194 }195 }196 let contents = self.load_file_contents(&file_path)?;197 self.add_file(file_path.clone(), contents)?;198 self.evaluate_loaded_file_raw(&file_path)199 }200 pub(crate) fn import_file_str(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<str>> {201 let path = self.resolve_file(from, path)?;202 if !self.data().str_files.contains_key(&path) {203 let file_str = self.load_file_contents(&path)?;204 self.data_mut().str_files.insert(path.clone(), file_str);205 }206 Ok(self.data().str_files.get(&path).cloned().unwrap())207 }208209 fn evaluate_loaded_file_raw(&self, name: &PathBuf) -> Result<Val> {210 let expr: LocExpr = {211 let ro_map = &self.data().files;212 let value = ro_map213 .get(name)214 .unwrap_or_else(|| panic!("file not added: {:?}", name));215 if let Some(ref evaluated) = value.evaluated {216 return Ok(evaluated.clone());217 }218 value.parsed.clone()219 };220 let value = evaluate(self.create_default_context()?, &expr)?;221 {222 self.data_mut()223 .files224 .get_mut(name)225 .unwrap()226 .evaluated227 .replace(value.clone());228 }229 Ok(value)230 }231232 /// Adds standard library global variable (std) to this evaluator233 pub fn with_stdlib(&self) -> &Self {234 use jrsonnet_stdlib::STDLIB_STR;235 let std_path = Rc::new(PathBuf::from("std.jsonnet"));236 self.run_in_state(|| {237 self.add_parsed_file(238 std_path.clone(),239 STDLIB_STR.to_owned().into(),240 builtin::get_parsed_stdlib(),241 )242 .unwrap();243 let val = self.evaluate_loaded_file_raw(&std_path).unwrap();244 self.settings_mut().globals.insert("std".into(), val);245 });246 self247 }248249 /// Creates context with all passed global variables250 pub fn create_default_context(&self) -> Result<Context> {251 let globals = &self.settings().globals;252 let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();253 for (name, value) in globals.iter() {254 new_bindings.insert(255 name.clone(),256 LazyBinding::Bound(resolved_lazy_val!(value.clone())),257 );258 }259 Context::new().extend_unbound(new_bindings, None, None, None)260 }261262 /// Executes code, creating new stack frame263 pub fn push<T>(264 &self,265 e: &ExprLocation,266 frame_desc: impl FnOnce() -> String,267 f: impl FnOnce() -> Result<T>,268 ) -> Result<T> {269 {270 let mut data = self.data_mut();271 let stack_depth = &mut data.stack_depth;272 if *stack_depth > self.max_stack() {273 // Error creation uses data, so i drop guard here274 drop(data);275 throw!(StackOverflow);276 } else {277 *stack_depth += 1;278 }279 }280 let result = f();281 self.data_mut().stack_depth -= 1;282 if let Err(mut err) = result {283 (err.1).0.push(StackTraceElement {284 location: e.clone(),285 desc: frame_desc(),286 });287 return Err(err);288 }289 result290 }291292 /// Runs passed function in state (required, if function needs to modify stack trace)293 pub fn run_in_state<T>(&self, f: impl FnOnce() -> T) -> T {294 EVAL_STATE.with(|v| {295 let has_state = v.borrow().is_some();296 if !has_state {297 v.borrow_mut().replace(self.clone());298 }299 let result = f();300 if !has_state {301 v.borrow_mut().take();302 }303 result304 })305 }306307 pub fn stringify_err(&self, e: &LocError) -> String {308 let mut out = String::new();309 self.settings()310 .trace_format311 .write_trace(&mut out, self, e)312 .unwrap();313 out314 }315316 pub fn manifest(&self, val: Val) -> Result<Rc<str>> {317 self.run_in_state(|| val.manifest(&self.manifest_format()))318 }319320 /// If passed value is function - call with set TLA321 pub fn with_tla(&self, val: Val) -> Result<Val> {322 Ok(match val {323 Val::Func(func) => func.evaluate_map(324 self.create_default_context()?,325 &self.settings().tla_vars,326 true,327 )?,328 v => v,329 })330 }331}332333/// Internals334impl EvaluationState {335 fn data(&self) -> Ref<EvaluationData> {336 self.0.data.borrow()337 }338 fn data_mut(&self) -> RefMut<EvaluationData> {339 self.0.data.borrow_mut()340 }341 pub fn settings(&self) -> Ref<EvaluationSettings> {342 self.0.settings.borrow()343 }344 pub fn settings_mut(&self) -> RefMut<EvaluationSettings> {345 self.0.settings.borrow_mut()346 }347}348349/// Raw methods evaluates passed values, but not performs TLA execution350impl EvaluationState {351 pub fn evaluate_file_raw(&self, name: &PathBuf) -> Result<Val> {352 self.run_in_state(|| self.import_file(&std::env::current_dir().expect("cwd"), &name))353 }354 pub fn evaluate_file_raw_nocwd(&self, name: &PathBuf) -> Result<Val> {355 self.run_in_state(|| self.import_file(&PathBuf::from("."), &name))356 }357 /// Parses and evaluates snippet358 pub fn evaluate_snippet_raw(&self, source: Rc<PathBuf>, code: Rc<str>) -> Result<Val> {359 let parsed = parse(360 &code,361 &ParserSettings {362 file_name: source.clone(),363 loc_data: true,364 },365 )366 .unwrap();367 self.add_parsed_file(source, code, parsed.clone())?;368 self.evaluate_expr_raw(parsed)369 }370 /// Evaluates parsed expression371 pub fn evaluate_expr_raw(&self, code: LocExpr) -> Result<Val> {372 self.run_in_state(|| evaluate(self.create_default_context()?, &code))373 }374}375376/// Settings utilities377impl EvaluationState {378 pub fn add_ext_var(&self, name: Rc<str>, value: Val) {379 self.settings_mut().ext_vars.insert(name, value);380 }381 pub fn add_ext_str(&self, name: Rc<str>, value: Rc<str>) {382 self.add_ext_var(name, Val::Str(value));383 }384 pub fn add_ext_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {385 let value =386 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("ext_code {}", name))), code)?;387 self.add_ext_var(name, value);388 Ok(())389 }390391 pub fn add_tla(&self, name: Rc<str>, value: Val) {392 self.settings_mut().tla_vars.insert(name, value);393 }394 pub fn add_tla_str(&self, name: Rc<str>, value: Rc<str>) {395 self.add_tla(name, Val::Str(value));396 }397 pub fn add_tla_code(&self, name: Rc<str>, code: Rc<str>) -> Result<()> {398 let value =399 self.evaluate_snippet_raw(Rc::new(PathBuf::from(format!("tla_code {}", name))), code)?;400 self.add_ext_var(name, value);401 Ok(())402 }403404 pub fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {405 Ok(self.settings().import_resolver.resolve_file(from, path)?)406 }407 pub fn load_file_contents(&self, path: &PathBuf) -> Result<Rc<str>> {408 Ok(self.settings().import_resolver.load_file_contents(path)?)409 }410411 pub fn import_resolver(&self) -> Ref<dyn ImportResolver> {412 Ref::map(self.settings(), |s| &*s.import_resolver)413 }414 pub fn set_import_resolver(&self, resolver: Box<dyn ImportResolver>) {415 self.settings_mut().import_resolver = resolver;416 }417418 pub fn manifest_format(&self) -> ManifestFormat {419 self.settings().manifest_format.clone()420 }421 pub fn set_manifest_format(&self, format: ManifestFormat) {422 self.settings_mut().manifest_format = format;423 }424425 pub fn trace_format(&self) -> Ref<dyn TraceFormat> {426 Ref::map(self.settings(), |s| &*s.trace_format)427 }428 pub fn set_trace_format(&self, format: Box<dyn TraceFormat>) {429 self.settings_mut().trace_format = format;430 }431432 pub fn max_trace(&self) -> usize {433 self.settings().max_trace434 }435 pub fn set_max_trace(&self, trace: usize) {436 self.settings_mut().max_trace = trace;437 }438439 pub fn max_stack(&self) -> usize {440 self.settings().max_stack441 }442 pub fn set_max_stack(&self, trace: usize) {443 self.settings_mut().max_stack = trace;444 }445}446447#[cfg(test)]448pub mod tests {449 use super::Val;450 use crate::{error::Error::*, primitive_equals, EvaluationState};451 use jrsonnet_parser::*;452 use std::{path::PathBuf, rc::Rc};453454 #[test]455 #[should_panic]456 fn eval_state_stacktrace() {457 let state = EvaluationState::default();458 state.run_in_state(|| {459 state460 .push(461 &ExprLocation(Rc::new(PathBuf::from("test1.jsonnet")), 10, 20),462 || "outer".to_owned(),463 || {464 state.push(465 &ExprLocation(Rc::new(PathBuf::from("test2.jsonnet")), 30, 40),466 || "inner".to_owned(),467 || Err(RuntimeError("".into()).into()),468 )?;469 Ok(())470 },471 )472 .unwrap();473 });474 }475476 #[test]477 fn eval_state_standard() {478 let state = EvaluationState::default();479 state.with_stdlib();480 assert!(primitive_equals(481 &state482 .evaluate_snippet_raw(483 Rc::new(PathBuf::from("raw.jsonnet")),484 r#"std.assertEqual(std.base64("test"), "dGVzdA==")"#.into()485 )486 .unwrap(),487 &Val::Bool(true),488 )489 .unwrap());490 }491492 macro_rules! eval {493 ($str: expr) => {494 EvaluationState::default()495 .with_stdlib()496 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())497 .unwrap()498 };499 }500 macro_rules! eval_json {501 ($str: expr) => {{502 let evaluator = EvaluationState::default();503 evaluator.with_stdlib();504 evaluator.run_in_state(|| {505 evaluator506 .evaluate_snippet_raw(Rc::new(PathBuf::from("raw.jsonnet")), $str.into())507 .unwrap()508 .to_json(0)509 .unwrap()510 .replace("\n", "")511 })512 }};513 }514515 /// Asserts given code returns `true`516 macro_rules! assert_eval {517 ($str: expr) => {518 assert!(primitive_equals(&eval!($str), &Val::Bool(true)).unwrap())519 };520 }521522 /// Asserts given code returns `false`523 macro_rules! assert_eval_neg {524 ($str: expr) => {525 assert!(primitive_equals(&eval!($str), &Val::Bool(false)).unwrap())526 };527 }528 macro_rules! assert_json {529 ($str: expr, $out: expr) => {530 assert_eq!(eval_json!($str), $out.replace("\t", ""))531 };532 }533534 /// Sanity checking, before trusting to another tests535 #[test]536 fn equality_operator() {537 assert_eval!("2 == 2");538 assert_eval_neg!("2 != 2");539 assert_eval!("2 != 3");540 assert_eval_neg!("2 == 3");541 assert_eval!("'Hello' == 'Hello'");542 assert_eval_neg!("'Hello' != 'Hello'");543 assert_eval!("'Hello' != 'World'");544 assert_eval_neg!("'Hello' == 'World'");545 }546547 #[test]548 fn math_evaluation() {549 assert_eval!("2 + 2 * 2 == 6");550 assert_eval!("3 + (2 + 2 * 2) == 9");551 }552553 #[test]554 fn string_concat() {555 assert_eval!("'Hello' + 'World' == 'HelloWorld'");556 assert_eval!("'Hello' * 3 == 'HelloHelloHello'");557 assert_eval!("'Hello' + 'World' * 3 == 'HelloWorldWorldWorld'");558 }559560 #[test]561 fn faster_join() {562 assert_eval!("std.join([0,0], [[1,2],[3,4],[5,6]]) == [1,2,0,0,3,4,0,0,5,6]");563 assert_eval!("std.join(',', ['1','2','3','4']) == '1,2,3,4'");564 }565566 #[test]567 fn function_contexts() {568 assert_eval!(569 r#"570 local k = {571 t(name = self.h): [self.h, name],572 h: 3,573 };574 local f = {575 t: k.t(),576 h: 4,577 };578 f.t[0] == f.t[1]579 "#580 );581 }582583 #[test]584 fn local() {585 assert_eval!("local a = 2; local b = 3; a + b == 5");586 assert_eval!("local a = 1, b = a + 1; a + b == 3");587 assert_eval!("local a = 1; local a = 2; a == 2");588 }589590 #[test]591 fn object_lazyness() {592 assert_json!("local a = {a:error 'test'}; {}", r#"{}"#);593 }594595 #[test]596 fn object_inheritance() {597 assert_json!("{a: self.b} + {b:3}", r#"{"a": 3,"b": 3}"#);598 }599600 #[test]601 fn object_assertion_success() {602 eval!("{assert \"a\" in self} + {a:2}");603 }604605 #[test]606 fn object_assertion_error() {607 eval!("{assert \"a\" in self}");608 }609610 #[test]611 fn lazy_args() {612 eval!("local test(a) = 2; test(error '3')");613 }614615 #[test]616 #[should_panic]617 fn tailstrict_args() {618 eval!("local test(a) = 2; test(error '3') tailstrict");619 }620621 #[test]622 #[should_panic]623 fn no_binding_error() {624 eval!("a");625 }626627 #[test]628 fn test_object() {629 assert_json!("{a:2}", r#"{"a": 2}"#);630 assert_json!("{a:2+2}", r#"{"a": 4}"#);631 assert_json!("{a:2}+{b:2}", r#"{"a": 2,"b": 2}"#);632 assert_json!("{b:3}+{b:2}", r#"{"b": 2}"#);633 assert_json!("{b:3}+{b+:2}", r#"{"b": 5}"#);634 assert_json!("local test='a'; {[test]:2}", r#"{"a": 2}"#);635 assert_json!(636 r#"637 {638 name: "Alice",639 welcome: "Hello " + self.name + "!",640 }641 "#,642 r#"{"name": "Alice","welcome": "Hello Alice!"}"#643 );644 assert_json!(645 r#"646 {647 name: "Alice",648 welcome: "Hello " + self.name + "!",649 } + {650 name: "Bob"651 }652 "#,653 r#"{"name": "Bob","welcome": "Hello Bob!"}"#654 );655 }656657 #[test]658 fn functions() {659 assert_json!(r#"local a = function(b, c = 2) b + c; a(2)"#, "4");660 assert_json!(661 r#"local a = function(b, c = "Dear") b + c + d, d = "World"; a("Hello")"#,662 r#""HelloDearWorld""#663 );664 }665666 #[test]667 fn local_methods() {668 assert_json!(r#"local a(b, c = 2) = b + c; a(2)"#, "4");669 assert_json!(670 r#"local a(b, c = "Dear") = b + c + d, d = "World"; a("Hello")"#,671 r#""HelloDearWorld""#672 );673 }674675 #[test]676 fn object_locals() {677 assert_json!(r#"{local a = 3, b: a}"#, r#"{"b": 3}"#);678 assert_json!(r#"{local a = 3, local c = a, b: c}"#, r#"{"b": 3}"#);679 assert_json!(680 r#"{local a = function (b) {[b]:4}, test: a("test")}"#,681 r#"{"test": {"test": 4}}"#682 );683 }684685 #[test]686 fn object_comp() {687 assert_json!(688 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}"#,689 "{\"h1_2\": \"0a\",\"h1_3\": \"0a\",\"h1_4\": \"0a\",\"h2_3\": \"a1\",\"h2_4\": \"a1\",\"h3_2\": \"0a\",\"h3_4\": \"a1\"}"690 )691 }692693 #[test]694 fn direct_self() {695 println!(696 "{:#?}",697 eval!(698 r#"699 {700 local me = self,701 a: 3,702 b(): me.a,703 }704 "#705 )706 );707 }708709 #[test]710 fn indirect_self() {711 // `self` assigned to `me` was lost when being712 // referenced from field713 eval!(714 r#"{715 local me = self,716 a: 3,717 b: me.a,718 }.b"#719 );720 }721722 // We can't trust other tests (And official jsonnet testsuite), if assert is not working correctly723 #[test]724 fn std_assert_ok() {725 eval!("std.assertEqual(4.5 << 2, 16)");726 }727728 #[test]729 #[should_panic]730 fn std_assert_failure() {731 eval!("std.assertEqual(4.5 << 2, 15)");732 }733734 #[test]735 fn string_is_string() {736 assert!(primitive_equals(737 &eval!("local arr = 'hello'; (!std.isArray(arr)) && (!std.isString(arr))"),738 &Val::Bool(false),739 )740 .unwrap());741 }742743 #[test]744 fn base64_works() {745 assert_json!(r#"std.base64("test")"#, r#""dGVzdA==""#);746 }747748 #[test]749 fn utf8_chars() {750 assert_json!(751 r#"local c="😎";{c:std.codepoint(c),l:std.length(c)}"#,752 r#"{"c": 128526,"l": 1}"#753 )754 }755756 #[test]757 fn json() {758 assert_json!(759 r#"std.manifestJsonEx({a:3, b:4, c:6},"")"#,760 r#""{\n\"a\": 3,\n\"b\": 4,\n\"c\": 6\n}""#761 );762 }763764 #[test]765 fn test() {766 assert_json!(767 r#"[[a, b] for a in [1,2,3] for b in [4,5,6]]"#,768 "[[1,4],[1,5],[1,6],[2,4],[2,5],[2,6],[3,4],[3,5],[3,6]]"769 );770 }771772 #[test]773 fn sjsonnet() {774 eval!(775 r#"776 local x0 = {k: 1};777 local x1 = {k: x0.k + x0.k};778 local x2 = {k: x1.k + x1.k};779 local x3 = {k: x2.k + x2.k};780 local x4 = {k: x3.k + x3.k};781 local x5 = {k: x4.k + x4.k};782 local x6 = {k: x5.k + x5.k};783 local x7 = {k: x6.k + x6.k};784 local x8 = {k: x7.k + x7.k};785 local x9 = {k: x8.k + x8.k};786 local x10 = {k: x9.k + x9.k};787 local x11 = {k: x10.k + x10.k};788 local x12 = {k: x11.k + x11.k};789 local x13 = {k: x12.k + x12.k};790 local x14 = {k: x13.k + x13.k};791 local x15 = {k: x14.k + x14.k};792 local x16 = {k: x15.k + x15.k};793 local x17 = {k: x16.k + x16.k};794 local x18 = {k: x17.k + x17.k};795 local x19 = {k: x18.k + x18.k};796 local x20 = {k: x19.k + x19.k};797 local x21 = {k: x20.k + x20.k};798 x21.k799 "#800 );801 }802803 // This test is commented out by default, because of huge compilation slowdown804 // #[bench]805 // fn bench_codegen(b: &mut Bencher) {806 // b.iter(|| {807 // #[allow(clippy::all)]808 // let stdlib = {809 // use jrsonnet_parser::*;810 // include!(concat!(env!("OUT_DIR"), "/stdlib.rs"))811 // };812 // stdlib813 // })814 // }815816 /*817 #[bench]818 fn bench_serialize(b: &mut Bencher) {819 b.iter(|| {820 bincode::deserialize::<jrsonnet_parser::LocExpr>(include_bytes!(concat!(821 env!("OUT_DIR"),822 "/stdlib.bincode"823 )))824 .expect("deserialize stdlib")825 })826 }827828 #[bench]829 fn bench_parse(b: &mut Bencher) {830 b.iter(|| {831 jrsonnet_parser::parse(832 jrsonnet_stdlib::STDLIB_STR,833 &jrsonnet_parser::ParserSettings {834 loc_data: true,835 file_name: Rc::new(PathBuf::from("std.jsonnet")),836 },837 )838 })839 }840 */841842 #[test]843 fn equality() {844 println!(845 "{:?}",846 jrsonnet_parser::parse(847 "{ x: 1, y: 2 } == { x: 1, y: 2 }",848 &ParserSettings::default()849 )850 );851 assert_eval!("{ x: 1, y: 2 } == { x: 1, y: 2 }")852 }853}crates/jrsonnet-evaluator/src/val.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/val.rs
+++ b/crates/jrsonnet-evaluator/src/val.rs
@@ -131,6 +131,14 @@
}
}
+#[derive(Clone)]
+pub enum ManifestFormat {
+ YamlStream(Box<ManifestFormat>),
+ Yaml(usize),
+ Json(usize),
+ String,
+}
+
#[derive(Debug, Clone)]
pub enum Val {
Bool(bool),
@@ -221,10 +229,46 @@
})
}
+
+ pub fn manifest(&self, ty: &ManifestFormat) -> Result<Rc<str>> {
+ Ok(match ty {
+ ManifestFormat::YamlStream(format) => {
+ let arr = match self {
+ Val::Arr(a) => a,
+ _ => throw!(StreamManifestOutputIsNotAArray),
+ };
+ let mut out = String::new();
+
+ match format as &ManifestFormat {
+ ManifestFormat::YamlStream(_) => throw!(StreamManifestOutputCannotBeRecursed),
+ ManifestFormat::String => throw!(StreamManifestCannotNestString),
+ _ => {}
+ };
+
+ if !arr.is_empty() {
+ for v in arr.iter() {
+ out.push_str("---\n");
+ out.push_str(&v.manifest(format)?);
+ out.push_str("\n");
+ }
+ out.push_str("...");
+ }
+
+ out.into()
+ }
+ ManifestFormat::Yaml(padding) => self.to_yaml(*padding)?,
+ ManifestFormat::Json(padding) => self.to_json(*padding)?,
+ ManifestFormat::String => match self {
+ Val::Str(s) => s.clone(),
+ _ => throw!(StringManifestOutputIsNotAString),
+ },
+ })
+ }
+
/// For manifestification
- pub fn into_json(self, padding: usize) -> Result<Rc<str>> {
+ pub fn to_json(&self, padding: usize) -> Result<Rc<str>> {
manifest_json_ex(
- &self,
+ self,
&ManifestJsonOptions {
padding: &" ".repeat(padding),
mtype: if padding == 0 {
@@ -239,7 +283,7 @@
/// Calls std.manifestJson
#[cfg(feature = "faster")]
- pub fn into_std_json(self, padding: usize) -> Result<Rc<str>> {
+ pub fn to_std_json(&self, padding: usize) -> Result<Rc<str>> {
manifest_json_ex(
&self,
&ManifestJsonOptions {
@@ -252,11 +296,11 @@
/// Calls std.manifestJson
#[cfg(not(feature = "faster"))]
- pub fn into_std_json(self, padding: usize) -> Result<Rc<str>> {
+ pub fn to_std_json(&self, padding: usize) -> Result<Rc<str>> {
with_state(|s| {
let ctx = s
.create_default_context()?
- .with_var("__tmp__to_json__".into(), self)?;
+ .with_var("__tmp__to_json__".into(), self.clone())?;
Ok(evaluate(
ctx,
&el!(Expr::Apply(
@@ -274,11 +318,11 @@
.try_cast_str("to json")?)
})
}
- pub fn into_yaml(self, padding: usize) -> Result<Rc<str>> {
+ pub fn to_yaml(&self, padding: usize) -> Result<Rc<str>> {
with_state(|s| {
let ctx = s
.create_default_context()?
- .with_var("__tmp__to_json__".into(), self);
+ .with_var("__tmp__to_json__".into(), self.clone());
Ok(evaluate(
ctx,
&el!(Expr::Apply(