1#![allow(clippy::redundant_closure_call)]23use peg::parser;4use std::{5 path::{Path, PathBuf},6 rc::Rc,7};8mod expr;9pub use expr::*;10pub use jrsonnet_interner::IStr;11pub use peg;12mod unescape;1314pub struct ParserSettings {15 pub file_name: Rc<Path>,16}1718macro_rules! expr_bin {19 ($a:ident $op:ident $b:ident) => {20 Expr::BinaryOp($a, $op, $b)21 };22}23macro_rules! expr_un {24 ($op:ident $a:ident) => {25 Expr::UnaryOp($op, $a)26 };27}2829parser! {30 grammar jsonnet_parser() for str {31 use peg::ParseLiteral;3233 rule eof() = quiet!{![_]} / expected!("<eof>")34 rule eol() = "\n" / eof()3536 37 rule comment()38 = "//" (!eol()[_])* eol()39 / "/*" ("\\*/" / "\\\\" / (!("*/")[_]))* "*/"40 / "#" (!eol()[_])* eol()4142 rule single_whitespace() = quiet!{([' ' | '\r' | '\n' | '\t'] / comment())} / expected!("<whitespace>")43 rule _() = quiet!{([' ' | '\r' | '\n' | '\t']+) / comment()}* / expected!("<whitespace>")4445 46 rule comma() = quiet!{_ "," _} / expected!("<comma>")47 rule alpha() -> char = c:$(['_' | 'a'..='z' | 'A'..='Z']) {c.chars().next().unwrap()}48 rule digit() -> char = d:$(['0'..='9']) {d.chars().next().unwrap()}49 rule end_of_ident() = !['0'..='9' | '_' | 'a'..='z' | 'A'..='Z']50 51 rule uint_str() -> &'input str = a:$(digit()+) { a }52 53 rule number() -> f64 = quiet!{a:$(uint_str() ("." uint_str())? (['e'|'E'] (s:['+'|'-'])? uint_str())?) {? a.parse().map_err(|_| "<number>") }} / expected!("<number>")5455 56 rule reserved() = ("assert" / "else" / "error" / "false" / "for" / "function" / "if" / "import" / "importstr" / "importbin" / "in" / "local" / "null" / "tailstrict" / "then" / "self" / "super" / "true") end_of_ident()57 rule id() = quiet!{ !reserved() alpha() (alpha() / digit())*} / expected!("<identifier>")5859 rule keyword(id: &'static str) -> ()60 = ##parse_string_literal(id) end_of_ident()6162 pub rule param(s: &ParserSettings) -> expr::Param = name:$(id()) expr:(_ "=" _ expr:expr(s){expr})? { expr::Param(name.into(), expr) }63 pub rule params(s: &ParserSettings) -> expr::ParamsDesc64 = params:param(s) ** comma() comma()? { expr::ParamsDesc(Rc::new(params)) }65 / { expr::ParamsDesc(Rc::new(Vec::new())) }6667 pub rule arg(s: &ParserSettings) -> (Option<IStr>, LocExpr)68 = quiet! { name:(s:$(id()) _ "=" _ {s})? expr:expr(s) {(name.map(Into::into), expr)} }69 / expected!("<argument>")7071 pub rule args(s: &ParserSettings) -> expr::ArgsDesc72 = args:arg(s)**comma() comma()? {?73 let unnamed_count = args.iter().take_while(|(n, _)| n.is_none()).count();74 let mut unnamed = Vec::with_capacity(unnamed_count);75 let mut named = Vec::with_capacity(args.len() - unnamed_count);76 let mut named_started = false;77 for (name, value) in args {78 if let Some(name) = name {79 named_started = true;80 named.push((name, value));81 } else {82 if named_started {83 return Err("<named argument>")84 }85 unnamed.push(value);86 }87 }88 Ok(expr::ArgsDesc::new(unnamed, named))89 }9091 pub rule bind(s: &ParserSettings) -> expr::BindSpec92 = name:$(id()) _ "=" _ expr:expr(s) {expr::BindSpec{name:name.into(), params: None, value: expr}}93 / name:$(id()) _ "(" _ params:params(s) _ ")" _ "=" _ expr:expr(s) {expr::BindSpec{name:name.into(), params: Some(params), value: expr}}94 pub rule assertion(s: &ParserSettings) -> expr::AssertStmt95 = keyword("assert") _ cond:expr(s) msg:(_ ":" _ e:expr(s) {e})? { expr::AssertStmt(cond, msg) }9697 pub rule whole_line() -> &'input str98 = str:$((!['\n'][_])* "\n") {str}99 pub rule string_block() -> String100 = "|||" (!['\n']single_whitespace())* "\n"101 empty_lines:$(['\n']*)102 prefix:[' ' | '\t']+ first_line:whole_line()103 lines:("\n" {"\n"} / [' ' | '\t']*<{prefix.len()}> s:whole_line() {s})*104 [' ' | '\t']*<, {prefix.len() - 1}> "|||"105 {let mut l = empty_lines.to_owned(); l.push_str(first_line); l.extend(lines); l}106107 rule hex_char()108 = quiet! { ['0'..='9' | 'a'..='f' | 'A'..='F'] } / expected!("<hex char>")109110 rule string_char(c: rule<()>)111 = (!['\\']!c()[_])+112 / "\\\\"113 / "\\u" hex_char() hex_char() hex_char() hex_char()114 / "\\x" hex_char() hex_char()115 / ['\\'] (quiet! { ['b' | 'f' | 'n' | 'r' | 't'] / c() } / expected!("<escape character>"))116 pub rule string() -> String117 = ['"'] str:$(string_char(<"\"">)*) ['"'] {? unescape::unescape(str).ok_or("<escaped string>")}118 / ['\''] str:$(string_char(<"\'">)*) ['\''] {? unescape::unescape(str).ok_or("<escaped string>")}119 / quiet!{ "@'" str:$(("''" / (!['\''][_]))*) "'" {str.replace("''", "'")}120 / "@\"" str:$(("\"\"" / (!['"'][_]))*) "\"" {str.replace("\"\"", "\"")}121 / string_block() } / expected!("<string>")122123 pub rule field_name(s: &ParserSettings) -> expr::FieldName124 = name:$(id()) {expr::FieldName::Fixed(name.into())}125 / name:string() {expr::FieldName::Fixed(name.into())}126 / "[" _ expr:expr(s) _ "]" {expr::FieldName::Dyn(expr)}127 pub rule visibility() -> expr::Visibility128 = ":::" {expr::Visibility::Unhide}129 / "::" {expr::Visibility::Hidden}130 / ":" {expr::Visibility::Normal}131 pub rule field(s: &ParserSettings) -> expr::FieldMember132 = name:field_name(s) _ plus:"+"? _ visibility:visibility() _ value:expr(s) {expr::FieldMember{133 name,134 plus: plus.is_some(),135 params: None,136 visibility,137 value,138 }}139 / name:field_name(s) _ "(" _ params:params(s) _ ")" _ visibility:visibility() _ value:expr(s) {expr::FieldMember{140 name,141 plus: false,142 params: Some(params),143 visibility,144 value,145 }}146 pub rule obj_local(s: &ParserSettings) -> BindSpec147 = keyword("local") _ bind:bind(s) {bind}148 pub rule member(s: &ParserSettings) -> expr::Member149 = bind:obj_local(s) {expr::Member::BindStmt(bind)}150 / assertion:assertion(s) {expr::Member::AssertStmt(assertion)}151 / field:field(s) {expr::Member::Field(field)}152 pub rule objinside(s: &ParserSettings) -> expr::ObjBody153 = pre_locals:(b: obj_local(s) comma() {b})* "[" _ key:expr(s) _ "]" _ plus:"+"? _ ":" _ value:expr(s) post_locals:(comma() b:obj_local(s) {b})* _ forspec:forspec(s) others:(_ rest:compspec(s) {rest})? {154 let mut compspecs = vec![CompSpec::ForSpec(forspec)];155 compspecs.extend(others.unwrap_or_default());156 expr::ObjBody::ObjComp(expr::ObjComp{157 pre_locals,158 key,159 plus: plus.is_some(),160 value,161 post_locals,162 compspecs,163 })164 }165 / members:(member(s) ** comma()) comma()? {expr::ObjBody::MemberList(members)}166 pub rule ifspec(s: &ParserSettings) -> IfSpecData167 = keyword("if") _ expr:expr(s) {IfSpecData(expr)}168 pub rule forspec(s: &ParserSettings) -> ForSpecData169 = keyword("for") _ id:$(id()) _ keyword("in") _ cond:expr(s) {ForSpecData(id.into(), cond)}170 pub rule compspec(s: &ParserSettings) -> Vec<expr::CompSpec>171 = s:(i:ifspec(s) { expr::CompSpec::IfSpec(i) } / f:forspec(s) {expr::CompSpec::ForSpec(f)} ) ** _ {s}172 pub rule local_expr(s: &ParserSettings) -> Expr173 = keyword("local") _ binds:bind(s) ** comma() _ ";" _ expr:expr(s) { Expr::LocalExpr(binds, expr) }174 pub rule string_expr(s: &ParserSettings) -> Expr175 = s:string() {Expr::Str(s.into())}176 pub rule obj_expr(s: &ParserSettings) -> Expr177 = "{" _ body:objinside(s) _ "}" {Expr::Obj(body)}178 pub rule array_expr(s: &ParserSettings) -> Expr179 = "[" _ elems:(expr(s) ** comma()) _ comma()? "]" {Expr::Arr(elems)}180 pub rule array_comp_expr(s: &ParserSettings) -> Expr181 = "[" _ expr:expr(s) _ comma()? _ forspec:forspec(s) _ others:(others: compspec(s) _ {others})? "]" {182 let mut specs = vec![CompSpec::ForSpec(forspec)];183 specs.extend(others.unwrap_or_default());184 Expr::ArrComp(expr, specs)185 }186 pub rule number_expr(s: &ParserSettings) -> Expr187 = n:number() { expr::Expr::Num(n) }188 pub rule var_expr(s: &ParserSettings) -> Expr189 = n:$(id()) { expr::Expr::Var(n.into()) }190 pub rule id_loc(s: &ParserSettings) -> LocExpr191 = a:position!() n:$(id()) b:position!() { LocExpr(Rc::new(expr::Expr::Str(n.into())), ExprLocation(s.file_name.clone(), a,b)) }192 pub rule if_then_else_expr(s: &ParserSettings) -> Expr193 = cond:ifspec(s) _ keyword("then") _ cond_then:expr(s) cond_else:(_ keyword("else") _ e:expr(s) {e})? {Expr::IfElse{194 cond,195 cond_then,196 cond_else,197 }}198199 pub rule literal(s: &ParserSettings) -> Expr200 = v:(201 keyword("null") {LiteralType::Null}202 / keyword("true") {LiteralType::True}203 / keyword("false") {LiteralType::False}204 / keyword("self") {LiteralType::This}205 / keyword("$") {LiteralType::Dollar}206 / keyword("super") {LiteralType::Super}207 ) {Expr::Literal(v)}208209 pub rule expr_basic(s: &ParserSettings) -> Expr210 = literal(s)211212 / quiet!{"$intrinsic(" name:$(id()) ")" {Expr::Intrinsic(name.into())}}213214 / string_expr(s) / number_expr(s)215 / array_expr(s)216 / obj_expr(s)217 / array_expr(s)218 / array_comp_expr(s)219220 / keyword("importstr") _ path:string() {Expr::ImportStr(PathBuf::from(path))}221 / keyword("importbin") _ path:string() {Expr::ImportBin(PathBuf::from(path))}222 / keyword("import") _ path:string() {Expr::Import(PathBuf::from(path))}223224 / var_expr(s)225 / local_expr(s)226 / if_then_else_expr(s)227228 / keyword("function") _ "(" _ params:params(s) _ ")" _ expr:expr(s) {Expr::Function(params, expr)}229 / assertion:assertion(s) _ ";" _ expr:expr(s) { Expr::AssertExpr(assertion, expr) }230231 / keyword("error") _ expr:expr(s) { Expr::ErrorStmt(expr) }232233 rule slice_part(s: &ParserSettings) -> Option<LocExpr>234 = e:(_ e:expr(s) _{e})? {e}235 pub rule slice_desc(s: &ParserSettings) -> SliceDesc236 = start:slice_part(s) ":" pair:(end:slice_part(s) step:(":" e:slice_part(s){e})? {(end, step.flatten())})? {237 let (end, step) = if let Some((end, step)) = pair {238 (end, step)239 }else{240 (None, None)241 };242243 SliceDesc { start, end, step }244 }245246 rule binop(x: rule<()>) -> ()247 = quiet!{ x() } / expected!("<binary op>")248 rule unaryop(x: rule<()>) -> ()249 = quiet!{ x() } / expected!("<unary op>")250251252 use BinaryOpType::*;253 use UnaryOpType::*;254 rule expr(s: &ParserSettings) -> LocExpr255 = precedence! {256 start:position!() v:@ end:position!() { LocExpr(Rc::new(v), ExprLocation(s.file_name.clone(), start, end)) }257 --258 a:(@) _ binop(<"||">) _ b:@ {expr_bin!(a Or b)}259 --260 a:(@) _ binop(<"&&">) _ b:@ {expr_bin!(a And b)}261 --262 a:(@) _ binop(<"|">) _ b:@ {expr_bin!(a BitOr b)}263 --264 a:@ _ binop(<"^">) _ b:(@) {expr_bin!(a BitXor b)}265 --266 a:(@) _ binop(<"&">) _ b:@ {expr_bin!(a BitAnd b)}267 --268 a:(@) _ binop(<"==">) _ b:@ {expr_bin!(a Eq b)}269 a:(@) _ binop(<"!=">) _ b:@ {expr_bin!(a Neq b)}270 --271 a:(@) _ binop(<"<">) _ b:@ {expr_bin!(a Lt b)}272 a:(@) _ binop(<">">) _ b:@ {expr_bin!(a Gt b)}273 a:(@) _ binop(<"<=">) _ b:@ {expr_bin!(a Lte b)}274 a:(@) _ binop(<">=">) _ b:@ {expr_bin!(a Gte b)}275 a:(@) _ binop(<keyword("in")>) _ b:@ {expr_bin!(a In b)}276 --277 a:(@) _ binop(<"<<">) _ b:@ {expr_bin!(a Lhs b)}278 a:(@) _ binop(<">>">) _ b:@ {expr_bin!(a Rhs b)}279 --280 a:(@) _ binop(<"+">) _ b:@ {expr_bin!(a Add b)}281 a:(@) _ binop(<"-">) _ b:@ {expr_bin!(a Sub b)}282 --283 a:(@) _ binop(<"*">) _ b:@ {expr_bin!(a Mul b)}284 a:(@) _ binop(<"/">) _ b:@ {expr_bin!(a Div b)}285 a:(@) _ binop(<"%">) _ b:@ {expr_bin!(a Mod b)}286 --287 unaryop(<"-">) _ b:@ {expr_un!(Minus b)}288 unaryop(<"!">) _ b:@ {expr_un!(Not b)}289 unaryop(<"~">) _ b:@ {expr_un!(BitNot b)}290 --291 a:(@) _ "[" _ e:slice_desc(s) _ "]" {Expr::Slice(a, e)}292 a:(@) _ "." _ a:position!() e:id_loc(s) b:position!() {Expr::Index(a, e)}293 a:(@) _ "[" _ e:expr(s) _ "]" {Expr::Index(a, e)}294 a:(@) _ "(" _ args:args(s) _ ")" ts:(_ keyword("tailstrict"))? {Expr::Apply(a, args, ts.is_some())}295 a:(@) _ "{" _ body:objinside(s) _ "}" {Expr::ObjExtend(a, body)}296 --297 e:expr_basic(s) {e}298 "(" _ e:expr(s) _ ")" {Expr::Parened(e)}299 }300301 pub rule jsonnet(s: &ParserSettings) -> LocExpr = _ e:expr(s) _ {e}302 }303}304305pub type ParseError = peg::error::ParseError<peg::str::LineCol>;306pub fn parse(str: &str, settings: &ParserSettings) -> Result<LocExpr, ParseError> {307 jsonnet_parser::jsonnet(str, settings)308}309310pub fn string_to_expr(str: IStr, settings: &ParserSettings) -> LocExpr {311 let len = str.len();312 LocExpr(313 Rc::new(Expr::Str(str)),314 ExprLocation(settings.file_name.clone(), 0, len),315 )316}317318#[cfg(test)]319pub mod tests {320 use super::{expr::*, parse};321 use crate::ParserSettings;322 use std::path::PathBuf;323 use BinaryOpType::*;324325 macro_rules! parse {326 ($s:expr) => {327 parse(328 $s,329 &ParserSettings {330 file_name: PathBuf::from("test.jsonnet").into(),331 },332 )333 .unwrap()334 };335 }336337 macro_rules! el {338 ($expr:expr, $from:expr, $to:expr$(,)?) => {339 LocExpr(340 std::rc::Rc::new($expr),341 ExprLocation(PathBuf::from("test.jsonnet").into(), $from, $to),342 )343 };344 }345346 #[test]347 fn multiline_string() {348 assert_eq!(349 parse!("|||\n Hello world!\n a\n|||"),350 el!(Expr::Str("Hello world!\n a\n".into()), 0, 31),351 );352 assert_eq!(353 parse!("|||\n Hello world!\n a\n|||"),354 el!(Expr::Str("Hello world!\n a\n".into()), 0, 27),355 );356 assert_eq!(357 parse!("|||\n\t\tHello world!\n\t\t\ta\n|||"),358 el!(Expr::Str("Hello world!\n\ta\n".into()), 0, 27),359 );360 assert_eq!(361 parse!("|||\n Hello world!\n a\n |||"),362 el!(Expr::Str("Hello world!\n a\n".into()), 0, 30),363 );364 }365366 #[test]367 fn slice() {368 parse!("a[1:]");369 parse!("a[1::]");370 parse!("a[:1:]");371 parse!("a[::1]");372 parse!("str[:len - 1]");373 }374375 #[test]376 fn string_escaping() {377 assert_eq!(378 parse!(r#""Hello, \"world\"!""#),379 el!(Expr::Str(r#"Hello, "world"!"#.into()), 0, 19),380 );381 assert_eq!(382 parse!(r#"'Hello \'world\'!'"#),383 el!(Expr::Str("Hello 'world'!".into()), 0, 18),384 );385 assert_eq!(parse!(r#"'\\\\'"#), el!(Expr::Str("\\\\".into()), 0, 6));386 }387388 #[test]389 fn string_unescaping() {390 assert_eq!(391 parse!(r#""Hello\nWorld""#),392 el!(Expr::Str("Hello\nWorld".into()), 0, 14),393 );394 }395396 #[test]397 fn string_verbantim() {398 assert_eq!(399 parse!(r#"@"Hello\n""World""""#),400 el!(Expr::Str("Hello\\n\"World\"".into()), 0, 19),401 );402 }403404 #[test]405 fn imports() {406 assert_eq!(407 parse!("import \"hello\""),408 el!(Expr::Import(PathBuf::from("hello")), 0, 14),409 );410 assert_eq!(411 parse!("importstr \"garnish.txt\""),412 el!(Expr::ImportStr(PathBuf::from("garnish.txt")), 0, 23)413 );414 }415416 #[test]417 fn empty_object() {418 assert_eq!(419 parse!("{}"),420 el!(Expr::Obj(ObjBody::MemberList(vec![])), 0, 2)421 );422 }423424 #[test]425 fn basic_math() {426 assert_eq!(427 parse!("2+2*2"),428 el!(429 Expr::BinaryOp(430 el!(Expr::Num(2.0), 0, 1),431 Add,432 el!(433 Expr::BinaryOp(el!(Expr::Num(2.0), 2, 3), Mul, el!(Expr::Num(2.0), 4, 5)),434 2,435 5436 )437 ),438 0,439 5440 )441 );442 }443444 #[test]445 fn basic_math_with_indents() {446 assert_eq!(447 parse!("2 + 2 * 2 "),448 el!(449 Expr::BinaryOp(450 el!(Expr::Num(2.0), 0, 1),451 Add,452 el!(453 Expr::BinaryOp(el!(Expr::Num(2.0), 7, 8), Mul, el!(Expr::Num(2.0), 13, 14),),454 7,455 14456 ),457 ),458 0,459 14460 )461 );462 }463464 #[test]465 fn basic_math_parened() {466 assert_eq!(467 parse!("2+(2+2*2)"),468 el!(469 Expr::BinaryOp(470 el!(Expr::Num(2.0), 0, 1),471 Add,472 el!(473 Expr::Parened(el!(474 Expr::BinaryOp(475 el!(Expr::Num(2.0), 3, 4),476 Add,477 el!(478 Expr::BinaryOp(479 el!(Expr::Num(2.0), 5, 6),480 Mul,481 el!(Expr::Num(2.0), 7, 8),482 ),483 5,484 8485 ),486 ),487 3,488 8489 )),490 2,491 9492 ),493 ),494 0,495 9496 )497 );498 }499500 501 #[test]502 fn comments() {503 assert_eq!(504 parse!("2//comment\n+//comment\n3/*test*/*/*test*/4"),505 el!(506 Expr::BinaryOp(507 el!(Expr::Num(2.0), 0, 1),508 Add,509 el!(510 Expr::BinaryOp(511 el!(Expr::Num(3.0), 22, 23),512 Mul,513 el!(Expr::Num(4.0), 40, 41)514 ),515 22,516 41517 )518 ),519 0,520 41521 )522 );523 }524525 526 #[test]527 fn comment_escaping() {528 assert_eq!(529 parse!("2/*\\*/+*/ - 22"),530 el!(531 Expr::BinaryOp(el!(Expr::Num(2.0), 0, 1), Sub, el!(Expr::Num(22.0), 12, 14)),532 0,533 14534 )535 );536 }537538 #[test]539 fn suffix() {540 541 542 543 544 }545546 #[test]547 fn array_comp() {548 use Expr::*;549 550551552553 assert_eq!(554 parse!("[std.deepJoin(x) for x in arr]"),555 el!(556 ArrComp(557 el!(558 Apply(559 el!(560 Index(561 el!(Var("std".into()), 1, 4),562 el!(Str("deepJoin".into()), 5, 13)563 ),564 1,565 13566 ),567 ArgsDesc::new(vec![el!(Var("x".into()), 14, 15)], vec![]),568 false,569 ),570 1,571 16572 ),573 vec![CompSpec::ForSpec(ForSpecData(574 "x".into(),575 el!(Var("arr".into()), 26, 29)576 ))]577 ),578 0,579 30580 ),581 )582 }583584 #[test]585 fn reserved() {586 use Expr::*;587 assert_eq!(parse!("null"), el!(Literal(LiteralType::Null), 0, 4));588 assert_eq!(parse!("nulla"), el!(Var("nulla".into()), 0, 5));589 }590591 #[test]592 fn multiple_args_buf() {593 parse!("a(b, null_fields)");594 }595596 #[test]597 fn infix_precedence() {598 use Expr::*;599 assert_eq!(600 parse!("!a && !b"),601 el!(602 BinaryOp(603 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 1, 2)), 0, 2),604 And,605 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".into()), 7, 8)), 6, 8)606 ),607 0,608 8609 )610 );611 }612613 #[test]614 fn infix_precedence_division() {615 use Expr::*;616 assert_eq!(617 parse!("!a / !b"),618 el!(619 BinaryOp(620 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 1, 2)), 0, 2),621 Div,622 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".into()), 6, 7)), 5, 7)623 ),624 0,625 7626 )627 );628 }629630 #[test]631 fn double_negation() {632 use Expr::*;633 assert_eq!(634 parse!("!!a"),635 el!(636 UnaryOp(637 UnaryOpType::Not,638 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 2, 3)), 1, 3)639 ),640 0,641 3642 )643 )644 }645646 #[test]647 fn array_test_error() {648 parse!("[a for a in b if c for e in f]");649 650 }651652 #[test]653 fn missing_newline_between_comment_and_eof() {654 parse!(655 "{a:1}656657 //+213"658 );659 }660661 #[test]662 fn default_param_before_nondefault() {663 parse!("local x(foo = 'foo', bar) = null; null");664 }665666 #[test]667 fn can_parse_stdlib() {668 parse!(jrsonnet_stdlib::STDLIB_STR);669 }670671 #[test]672 fn add_location_info_to_all_sub_expressions() {673 use Expr::*;674675 let file_name: std::rc::Rc<std::path::Path> = PathBuf::from("test.jsonnet").into();676 let expr = parse(677 "{} { local x = 1, x: x } + {}",678 &ParserSettings {679 file_name: file_name.clone(),680 },681 )682 .unwrap();683 assert_eq!(684 expr,685 el!(686 BinaryOp(687 el!(688 ObjExtend(689 el!(Obj(ObjBody::MemberList(vec![])), 0, 2),690 ObjBody::MemberList(vec![691 Member::BindStmt(BindSpec {692 name: "x".into(),693 params: None,694 value: el!(Num(1.0), 15, 16)695 }),696 Member::Field(FieldMember {697 name: FieldName::Fixed("x".into()),698 plus: false,699 params: None,700 visibility: Visibility::Normal,701 value: el!(Var("x".into()), 21, 22),702 })703 ])704 ),705 0,706 24707 ),708 BinaryOpType::Add,709 el!(Obj(ObjBody::MemberList(vec![])), 27, 29),710 ),711 0,712 29713 ),714 );715 }716 717 718719720721722723}