difftreelog
fix(parser) import parsing order
in: master
1 file changed
crates/jsonnet-parser/src/lib.rsdiffbeforeafterboth1#![feature(box_syntax)]2#![feature(test)]34extern crate test;56use peg::parser;7use std::{path::PathBuf, rc::Rc};8mod expr;9mod string_processing;10pub use expr::*;11pub use peg;12use string_processing::deent;1314pub struct ParserSettings {15 pub loc_data: bool,16 pub file_name: PathBuf,17}1819parser! {20 grammar jsonnet_parser() for str {21 use peg::ParseLiteral;2223 /// Standard C-like comments24 rule comment()25 = "//" (!['\n'][_])* "\n"26 / "/*" ("\\*/" / "\\\\" / (!("*/")[_]))* "*/"27 / "#" (!['\n'][_])* "\n"2829 rule single_whitespace() = quiet!{([' ' | '\r' | '\n' | '\t'] / comment())} / expected!("<whitespace>")30 rule _() = single_whitespace()*3132 /// For comma-delimited elements33 rule comma() = quiet!{_ "," _} / expected!("<comma>")34 rule alpha() -> char = c:$(['_' | 'a'..='z' | 'A'..='Z']) {c.chars().next().unwrap()}35 rule digit() -> char = d:$(['0'..='9']) {d.chars().next().unwrap()}36 rule end_of_ident() = !['0'..='9' | '_' | 'a'..='z' | 'A'..='Z']37 /// Sequence of digits38 rule uint() -> u64 = a:$(digit()+) { a.parse().unwrap() }39 /// Number in scientific notation format40 rule number() -> f64 = quiet!{a:$(uint() ("." uint())? (['e'|'E'] (s:['+'|'-'])? uint())?) { a.parse().unwrap() }} / expected!("<number>")4142 /// Reserved word followed by any non-alphanumberic43 rule reserved() = ("assert" / "else" / "error" / "false" / "for" / "function" / "if" / "import" / "importstr" / "in" / "local" / "null" / "tailstrict" / "then" / "self" / "super" / "true") end_of_ident()44 rule id() -> String = quiet!{ !reserved() s:$(alpha() (alpha() / digit())*) {s.to_owned()}} / expected!("<identifier>")4546 rule keyword(id: &'static str)47 = ##parse_string_literal(id) end_of_ident()48 // Adds location data information to existing expression49 rule l(s: &ParserSettings, x: rule<Expr>) -> LocExpr50 = start:position!() v:x() end:position!() {loc_expr!(v, s.loc_data, (s.file_name.clone(), start, end))}5152 pub rule param(s: &ParserSettings) -> expr::Param = name:id() expr:(_ "=" _ expr:expr(s){expr})? { expr::Param(name, expr) }53 pub rule params(s: &ParserSettings) -> expr::ParamsDesc54 = params:(param(s) ** comma()) {55 let mut defaults_started = false;56 for param in ¶ms {57 defaults_started = defaults_started || param.1.is_some();58 assert_eq!(defaults_started, param.1.is_some(), "defauld parameters should be used after all positionals");59 }60 expr::ParamsDesc(params)61 }62 / { expr::ParamsDesc(Vec::new()) }6364 pub rule arg(s: &ParserSettings) -> expr::Arg65 = name:id() _ "=" _ expr:expr(s) {expr::Arg(Some(name), expr)}66 / expr:expr(s) {expr::Arg(None, expr)}67 pub rule args(s: &ParserSettings) -> expr::ArgsDesc68 = args:arg(s) ** comma() comma()? {69 let mut named_started = false;70 for arg in &args {71 named_started = named_started || arg.0.is_some();72 assert_eq!(named_started, arg.0.is_some(), "named args should be used after all positionals");73 }74 expr::ArgsDesc(args)75 }76 / { expr::ArgsDesc(Vec::new()) }7778 pub rule bind(s: &ParserSettings) -> expr::BindSpec79 = name:id() _ "=" _ expr:expr(s) {expr::BindSpec{name, params: None, value: expr}}80 / name:id() _ "(" _ params:params(s) _ ")" _ "=" _ expr:expr(s) {expr::BindSpec{name, params: Some(params), value: expr}}81 pub rule assertion(s: &ParserSettings) -> expr::AssertStmt82 = keyword("assert") _ cond:expr(s) msg:(_ ":" _ e:expr(s) {e})? { expr::AssertStmt(cond, msg) }8384 pub rule whole_line() -> String85 = str:$((!['\n'][_])* "\n") {str.to_owned()}86 pub rule string() -> String87 = "\"" str:$(("\\\"" / "\\\\" / (!['"'][_]))*) "\"" {unescape::unescape(str).unwrap()}88 / "'" str:$(("\\'" / "\\\\" / (!['\''][_]))*) "'" {unescape::unescape(str).unwrap()}89 / "@'" str:$(("''" / (!['\''][_]))*) "'" {str.replace("''", "'")}90 / "@\"" str:$(("\"\"" / (!['"'][_]))*) "\"" {str.replace("\"\"", "\"")}91 // TODO: This is temporary workaround, i still dont know how to write this correctly btw.92 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<1, 1> whole_line())+) " "*<0, 0> "|||" {deent(str)}93 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<2, 2> whole_line())+) " "*<1, 1> "|||" {deent(str)}94 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<3, 3> whole_line())+) " "*<2, 2> "|||" {deent(str)}95 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<4, 4> whole_line())+) " "*<3, 3> "|||" {deent(str)}96 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<5, 5> whole_line())+) " "*<4, 4> "|||" {deent(str)}97 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<6, 6> whole_line())+) " "*<5, 5> "|||" {deent(str)}98 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<7, 7> whole_line())+) " "*<6, 6> "|||" {deent(str)}99 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<8, 8> whole_line())+) " "*<7, 7> "|||" {deent(str)}100 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<9, 9> whole_line())+) " "*<8, 8> "|||" {deent(str)}101 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<10, 10> whole_line())+) " "*<9, 9> "|||" {deent(str)}102 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<11, 11> whole_line())+) " "*<10, 10> "|||" {deent(str)}103 / "|||" (!['\n']single_whitespace())* "\n" str:$((" "*<12, 12> whole_line())+) " "*<11, 10> "|||" {deent(str)}104105 pub rule field_name(s: &ParserSettings) -> expr::FieldName106 = name:id() {expr::FieldName::Fixed(name)}107 / name:string() {expr::FieldName::Fixed(name)}108 / "[" _ expr:expr(s) _ "]" {expr::FieldName::Dyn(expr)}109 pub rule visibility() -> expr::Visibility110 = ":::" {expr::Visibility::Unhide}111 / "::" {expr::Visibility::Hidden}112 / ":" {expr::Visibility::Normal}113 pub rule field(s: &ParserSettings) -> expr::FieldMember114 = name:field_name(s) _ plus:"+"? _ visibility:visibility() _ value:expr(s) {expr::FieldMember{115 name,116 plus: plus.is_some(),117 params: None,118 visibility,119 value,120 }}121 / name:field_name(s) _ "(" _ params:params(s) _ ")" _ visibility:visibility() _ value:expr(s) {expr::FieldMember{122 name,123 plus: false,124 params: Some(params),125 visibility,126 value,127 }}128 pub rule obj_local(s: &ParserSettings) -> BindSpec129 = keyword("local") _ bind:bind(s) {bind}130 pub rule member(s: &ParserSettings) -> expr::Member131 = bind:obj_local(s) {expr::Member::BindStmt(bind)}132 / assertion:assertion(s) {expr::Member::AssertStmt(assertion)}133 / field:field(s) {expr::Member::Field(field)}134 pub rule objinside(s: &ParserSettings) -> expr::ObjBody135 = pre_locals:(b: obj_local(s) comma() {b})* "[" _ key:expr(s) _ "]" _ ":" _ value:expr(s) post_locals:(comma() b:obj_local(s) {b})* _ forspec:forspec(s) others:(_ rest:compspec(s) {rest})? {136 expr::ObjBody::ObjComp {137 pre_locals,138 key,139 value,140 post_locals,141 rest: [vec![CompSpec::ForSpec(forspec)], others.unwrap_or_default()].concat(),142 }143 }144 / members:(member(s) ** comma()) comma()? {expr::ObjBody::MemberList(members)}145 pub rule ifspec(s: &ParserSettings) -> IfSpecData146 = keyword("if") _ expr:expr(s) {IfSpecData(expr)}147 pub rule forspec(s: &ParserSettings) -> ForSpecData148 = keyword("for") _ id:id() _ keyword("in") _ cond:expr(s) {ForSpecData(id, cond)}149 pub rule compspec(s: &ParserSettings) -> Vec<expr::CompSpec>150 = s:(i:ifspec(s) { expr::CompSpec::IfSpec(i) } / f:forspec(s) {expr::CompSpec::ForSpec(f)} ) ** _ {s}151 pub rule local_expr(s: &ParserSettings) -> LocExpr152 = l(s,<keyword("local") _ binds:bind(s) ** comma() _ ";" _ expr:expr(s) { Expr::LocalExpr(binds, expr) }>)153 pub rule string_expr(s: &ParserSettings) -> LocExpr154 = l(s, <s:string() {Expr::Str(s)}>)155 pub rule obj_expr(s: &ParserSettings) -> LocExpr156 = l(s,<"{" _ body:objinside(s) _ "}" {Expr::Obj(body)}>)157 pub rule array_expr(s: &ParserSettings) -> LocExpr158 = l(s,<"[" _ elems:(expr(s) ** comma()) _ comma()? "]" {Expr::Arr(elems)}>)159 pub rule array_comp_expr(s: &ParserSettings) -> LocExpr160 = l(s,<"[" _ expr:expr(s) _ comma()? _ forspec:forspec(s) _ others:(others: compspec(s) _ {others})? "]" {Expr::ArrComp(expr, [vec![CompSpec::ForSpec(forspec)], others.unwrap_or_default()].concat())}>)161 pub rule number_expr(s: &ParserSettings) -> LocExpr162 = l(s,<n:number() { expr::Expr::Num(n) }>)163 pub rule var_expr(s: &ParserSettings) -> LocExpr164 = l(s,<n:id() { expr::Expr::Var(n) }>)165 pub rule if_then_else_expr(s: &ParserSettings) -> LocExpr166 = l(s,<cond:ifspec(s) _ keyword("then") _ cond_then:expr(s) cond_else:(_ keyword("else") _ e:expr(s) {e})? {Expr::IfElse{167 cond,168 cond_then,169 cond_else,170 }}>)171172 pub rule literal(s: &ParserSettings) -> LocExpr173 = l(s,<v:(174 keyword("null") {LiteralType::Null}175 / keyword("true") {LiteralType::True}176 / keyword("false") {LiteralType::False}177 / keyword("self") {LiteralType::This}178 / keyword("$") {LiteralType::Dollar}179 / keyword("super") {LiteralType::Super}180 ) {Expr::Literal(v)}>)181182 pub rule expr_basic(s: &ParserSettings) -> LocExpr183 = literal(s)184185 / string_expr(s) / number_expr(s)186 / array_expr(s)187 / obj_expr(s)188 / array_expr(s)189 / array_comp_expr(s)190191 / var_expr(s)192 / local_expr(s)193 / if_then_else_expr(s)194195 / l(s,<keyword("import") _ path:string() {Expr::Import(PathBuf::from(path))}>)196 / l(s,<keyword("importstr") _ path:string() {Expr::ImportStr(PathBuf::from(path))}>)197198 / l(s,<keyword("function") _ "(" _ params:params(s) _ ")" _ expr:expr(s) {Expr::Function(params, expr)}>)199 / l(s,<assertion:assertion(s) _ ";" _ expr:expr(s) { Expr::AssertExpr(assertion, expr) }>)200201 / l(s,<keyword("error") _ expr:expr(s) { Expr::Error(expr) }>)202203 pub rule slice_desc(s: &ParserSettings) -> SliceDesc204 = start:expr(s)? _ ":" _ pair:(end:expr(s)? _ step:(":" _ e:expr(s) {e})? {(end, step)})? {205 if let Some((end, step)) = pair {206 SliceDesc { start, end, step }207 }else{208 SliceDesc { start, end: None, step: None }209 }210 }211212 rule expr(s: &ParserSettings) -> LocExpr213 = start:position!() a:precedence! {214 a:(@) _ "||" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Or, b))}215 --216 a:(@) _ "&&" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::And, b))}217 --218 a:(@) _ "|" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::BitOr, b))}219 --220 a:@ _ "^" _ b:(@) {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::BitXor, b))}221 --222 a:(@) _ "&" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::BitAnd, b))}223 --224 a:(@) _ "==" _ b:@ {loc_expr_todo!(Expr::Apply(225 el!(Expr::Index(226 el!(Expr::Var("std".to_owned())),227 el!(Expr::Str("equals".to_owned()))228 )),229 ArgsDesc(vec![Arg(None, a), Arg(None, b)]),230 true231 ))}232 a:(@) _ "!=" _ b:@ {loc_expr_todo!(Expr::UnaryOp(UnaryOpType::Not, el!(Expr::Apply(233 el!(Expr::Index(234 el!(Expr::Var("std".to_owned())),235 el!(Expr::Str("equals".to_owned()))236 )),237 ArgsDesc(vec![Arg(None, a), Arg(None, b)]),238 true239 ))))}240 --241 a:(@) _ "<" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Lt, b))}242 a:(@) _ ">" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Gt, b))}243 a:(@) _ "<=" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Lte, b))}244 a:(@) _ ">=" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Gte, b))}245 --246 a:(@) _ "<<" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Lhs, b))}247 a:(@) _ ">>" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Rhs, b))}248 --249 a:(@) _ "+" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Add, b))}250 a:(@) _ "-" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Sub, b))}251 --252 a:(@) _ "*" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Mul, b))}253 a:(@) _ "/" _ b:@ {loc_expr_todo!(Expr::BinaryOp(a, BinaryOpType::Div, b))}254 a:(@) _ "%" _ b:@ {loc_expr_todo!(Expr::Apply(255 el!(Expr::Index(256 el!(Expr::Var("std".to_owned())),257 el!(Expr::Str("mod".to_owned()))258 )), ArgsDesc(vec![Arg(None, a), Arg(None, b)]),259 true260 ))}261 --262 "-" _ b:@ {loc_expr_todo!(Expr::UnaryOp(UnaryOpType::Minus, b))}263 "!" _ b:@ {loc_expr_todo!(Expr::UnaryOp(UnaryOpType::Not, b))}264 "~" _ b:@ { loc_expr_todo!(Expr::UnaryOp(UnaryOpType::BitNot, b)) }265 --266 a:(@) _ "[" _ s:slice_desc(s) _ "]" {loc_expr_todo!(Expr::Slice(a, s))}267 a:(@) _ "." _ s:id() {loc_expr_todo!(Expr::Index(a, el!(Expr::Str(s))))}268 a:(@) _ "[" _ s:expr(s) _ "]" {loc_expr_todo!(Expr::Index(a, s))}269 a:(@) _ "(" _ args:args(s) _ ")" ts:(_ keyword("tailstrict"))? {loc_expr_todo!(Expr::Apply(a, args, ts.is_some()))}270 a:(@) _ "{" _ body:objinside(s) _ "}" {loc_expr_todo!(Expr::ObjExtend(a, body))}271 --272 e:expr_basic(s) {e}273 "(" _ e:expr(s) _ ")" {loc_expr_todo!(Expr::Parened(e))}274 } end:position!() {275 let LocExpr(e, _) = a;276 LocExpr(e, if s.loc_data {277 Some(Rc::new(ExprLocation(s.file_name.to_owned(), start, end)))278 } else {279 None280 })281 }282 / e:expr_basic(s) {e}283284 pub rule jsonnet(s: &ParserSettings) -> LocExpr = _ e:expr(s) _ {e}285 }286}287288pub type ParseError = peg::error::ParseError<peg::str::LineCol>;289pub fn parse(str: &str, settings: &ParserSettings) -> Result<LocExpr, ParseError> {290 jsonnet_parser::jsonnet(str, settings)291}292293#[macro_export]294macro_rules! el {295 ($expr:expr) => {296 LocExpr(std::rc::Rc::new($expr), None)297 };298}299300#[cfg(test)]301pub mod tests {302 use super::{expr::*, parse};303 use crate::ParserSettings;304 use std::path::PathBuf;305306 macro_rules! parse {307 ($s:expr) => {308 parse(309 $s,310 &ParserSettings {311 loc_data: false,312 file_name: PathBuf::from("/test.jsonnet"),313 },314 )315 .unwrap()316 };317 }318319 mod expressions {320 use super::*;321322 pub fn basic_math() -> LocExpr {323 el!(Expr::BinaryOp(324 el!(Expr::Num(2.0)),325 BinaryOpType::Add,326 el!(Expr::BinaryOp(327 el!(Expr::Num(2.0)),328 BinaryOpType::Mul,329 el!(Expr::Num(2.0)),330 )),331 ))332 }333 }334335 #[test]336 fn multiline_string() {337 assert_eq!(338 parse!("|||\n Hello world!\n a\n|||"),339 el!(Expr::Str(" Hello world!\na\n".to_owned())),340 )341 }342343 #[test]344 fn string_escaping() {345 assert_eq!(346 parse!(r#""Hello, \"world\"!""#),347 el!(Expr::Str(r#"Hello, "world"!"#.to_owned())),348 );349 assert_eq!(350 parse!(r#"'Hello \'world\'!'"#),351 el!(Expr::Str("Hello 'world'!".to_owned())),352 );353 assert_eq!(parse!(r#"'\\\\'"#), el!(Expr::Str("\\\\".to_owned())),);354 }355356 #[test]357 fn string_unescaping() {358 assert_eq!(359 parse!(r#""Hello\nWorld""#),360 el!(Expr::Str("Hello\nWorld".to_owned())),361 );362 }363364 #[test]365 fn string_verbantim() {366 assert_eq!(367 parse!(r#"@"Hello\n""World""""#),368 el!(Expr::Str("Hello\\n\"World\"".to_owned())),369 );370 }371372 #[test]373 fn imports() {374 assert_eq!(375 parse!("import \"hello\""),376 el!(Expr::Import(PathBuf::from("hello"))),377 );378 }379380 #[test]381 fn empty_object() {382 assert_eq!(parse!("{}"), el!(Expr::Obj(ObjBody::MemberList(vec![]))));383 }384385 #[test]386 fn basic_math() {387 assert_eq!(388 parse!("2+2*2"),389 el!(Expr::BinaryOp(390 el!(Expr::Num(2.0)),391 BinaryOpType::Add,392 el!(Expr::BinaryOp(393 el!(Expr::Num(2.0)),394 BinaryOpType::Mul,395 el!(Expr::Num(2.0))396 ))397 ))398 );399 }400401 #[test]402 fn basic_math_with_indents() {403 assert_eq!(parse!("2 + 2 * 2 "), expressions::basic_math());404 }405406 #[test]407 fn basic_math_parened() {408 assert_eq!(409 parse!("2+(2+2*2)"),410 el!(Expr::BinaryOp(411 el!(Expr::Num(2.0)),412 BinaryOpType::Add,413 el!(Expr::Parened(expressions::basic_math())),414 ))415 );416 }417418 /// Comments should not affect parsing419 #[test]420 fn comments() {421 assert_eq!(422 parse!("2//comment\n+//comment\n3/*test*/*/*test*/4"),423 el!(Expr::BinaryOp(424 el!(Expr::Num(2.0)),425 BinaryOpType::Add,426 el!(Expr::BinaryOp(427 el!(Expr::Num(3.0)),428 BinaryOpType::Mul,429 el!(Expr::Num(4.0))430 ))431 ))432 );433 }434435 /// Comments should be able to be escaped436 #[test]437 fn comment_escaping() {438 assert_eq!(439 parse!("2/*\\*/+*/ - 22"),440 el!(Expr::BinaryOp(441 el!(Expr::Num(2.0)),442 BinaryOpType::Sub,443 el!(Expr::Num(22.0))444 ))445 );446 }447448 #[test]449 fn suffix() {450 // assert_eq!(parse!("std.test"), el!(Expr::Num(2.2)));451 // assert_eq!(parse!("std(2)"), el!(Expr::Num(2.2)));452 // assert_eq!(parse!("std.test(2)"), el!(Expr::Num(2.2)));453 // assert_eq!(parse!("a[b]"), el!(Expr::Num(2.2)))454 }455456 #[test]457 fn array_comp() {458 use Expr::*;459 assert_eq!(460 parse!("[std.deepJoin(x) for x in arr]"),461 el!(ArrComp(462 el!(Apply(463 el!(Index(464 el!(Var("std".to_owned())),465 el!(Str("deepJoin".to_owned()))466 )),467 ArgsDesc(vec![Arg(None, el!(Var("x".to_owned())))]),468 false,469 )),470 vec![CompSpec::ForSpec(ForSpecData(471 "x".to_owned(),472 el!(Var("arr".to_owned()))473 ))]474 )),475 )476 }477478 #[test]479 fn reserved() {480 use Expr::*;481 assert_eq!(parse!("null"), el!(Literal(LiteralType::Null)));482 assert_eq!(parse!("nulla"), el!(Var("nulla".to_owned())));483 }484485 #[test]486 fn multiple_args_buf() {487 parse!("a(b, null_fields)");488 }489490 #[test]491 fn infix_precedence() {492 use Expr::*;493 assert_eq!(494 parse!("!a && !b"),495 el!(BinaryOp(496 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".to_owned())))),497 BinaryOpType::And,498 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".to_owned()))))499 ))500 );501 }502503 #[test]504 fn infix_precedence_division() {505 use Expr::*;506 assert_eq!(507 parse!("!a / !b"),508 el!(BinaryOp(509 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".to_owned())))),510 BinaryOpType::Div,511 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".to_owned()))))512 ))513 );514 }515516 #[test]517 fn double_negation() {518 use Expr::*;519 assert_eq!(520 parse!("!!a"),521 el!(UnaryOp(522 UnaryOpType::Not,523 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".to_owned()))))524 ))525 )526 }527528 #[test]529 fn array_test_error() {530 parse!("[a for a in b if c for e in f]");531 // ^^^^ failed code532 }533534 #[test]535 fn can_parse_stdlib() {536 parse!(jsonnet_stdlib::STDLIB_STR);537 }538539 use test::Bencher;540541 // From source code542 #[bench]543 fn bench_parse_peg(b: &mut Bencher) {544 b.iter(|| parse!(jsonnet_stdlib::STDLIB_STR))545 }546547 // From serialized blob548 #[bench]549 fn bench_parse_serde_bincode(b: &mut Bencher) {550 let serialized = bincode::serialize(&parse!(jsonnet_stdlib::STDLIB_STR)).unwrap();551 b.iter(|| bincode::deserialize::<LocExpr>(&serialized))552 }553}