1#![allow(clippy::redundant_closure_call, clippy::derive_partial_eq_without_eq)]23use std::rc::Rc;45use peg::parser;6mod expr;7pub use expr::*;8pub use jrsonnet_interner::IStr;9pub use peg;10mod source;11mod unescape;12pub use source::Source;1314pub struct ParserSettings {15 pub file_name: Source,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:$(uint_str() ("." uint_str())? (['e'|'E'] (s:['+'|'-'])? uint_str())?) {? a.parse().map_err(|_| "<number>") }} / expected!("<number>")5455 56 rule reserved() = ("assert" / "else" / "error" / "false" / "for" / "function" / "if" / "import" / "importstr" / "importbin" / "in" / "local" / "null" / "tailstrict" / "then" / "self" / "super" / "true") end_of_ident()57 rule id() -> IStr = v:$(quiet!{ !reserved() alpha() (alpha() / digit())*} / expected!("<identifier>")) { v.into() }5859 rule keyword(id: &'static str) -> ()60 = ##parse_string_literal(id) end_of_ident()6162 pub rule param(s: &ParserSettings) -> expr::Param = name:destruct(s) expr:(_ "=" _ expr:expr(s){expr})? { expr::Param(name, 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, 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 destruct_rest() -> expr::DestructRest92 = "..." into:(_ into:id() {into})? {if let Some(into) = into {93 expr::DestructRest::Keep(into)94 } else {expr::DestructRest::Drop}}95 pub rule destruct_array(s: &ParserSettings) -> expr::Destruct96 = "[" _ start:destruct(s)**comma() rest:(97 comma() _ rest:destruct_rest()? end:(98 comma() end:destruct(s)**comma() (_ comma())? {end}99 / comma()? {Vec::new()}100 ) {(rest, end)}101 / comma()? {(None, Vec::new())}102 ) _ "]" {?103 #[cfg(feature = "exp-destruct")] return Ok(expr::Destruct::Array {104 start,105 rest: rest.0,106 end: rest.1,107 });108 #[cfg(not(feature = "exp-destruct"))] Err("experimental destructuring was not enabled")109 }110 pub rule destruct_object(s: &ParserSettings) -> expr::Destruct111 = "{" _112 fields:(name:id() into:(_ ":" _ into:destruct(s) {into})? default:(_ "=" _ v:expr(s) {v})? {(name, into, default)})**comma()113 rest:(114 comma() rest:destruct_rest()? {rest}115 / comma()? {None}116 )117 _ "}" {?118 #[cfg(feature = "exp-destruct")] return Ok(expr::Destruct::Object {119 fields,120 rest,121 });122 #[cfg(not(feature = "exp-destruct"))] Err("experimental destructuring was not enabled")123 }124 pub rule destruct(s: &ParserSettings) -> expr::Destruct125 = v:id() {expr::Destruct::Full(v)}126 / "?" {?127 #[cfg(feature = "exp-destruct")] return Ok(expr::Destruct::Skip);128 #[cfg(not(feature = "exp-destruct"))] Err("experimental destructuring was not enabled")129 }130 / arr:destruct_array(s) {arr}131 / obj:destruct_object(s) {obj}132133 pub rule bind(s: &ParserSettings) -> expr::BindSpec134 = into:destruct(s) _ "=" _ expr:expr(s) {expr::BindSpec::Field{into, value: expr}}135 / name:id() _ "(" _ params:params(s) _ ")" _ "=" _ expr:expr(s) {expr::BindSpec::Function{name, params, value: expr}}136137 pub rule assertion(s: &ParserSettings) -> expr::AssertStmt138 = keyword("assert") _ cond:expr(s) msg:(_ ":" _ e:expr(s) {e})? { expr::AssertStmt(cond, msg) }139140 pub rule whole_line() -> &'input str141 = str:$((!['\n'][_])* "\n") {str}142 pub rule string_block() -> String143 = "|||" (!['\n']single_whitespace())* "\n"144 empty_lines:$(['\n']*)145 prefix:[' ' | '\t']+ first_line:whole_line()146 lines:("\n" {"\n"} / [' ' | '\t']*<{prefix.len()}> s:whole_line() {s})*147 [' ' | '\t']*<, {prefix.len() - 1}> "|||"148 {let mut l = empty_lines.to_owned(); l.push_str(first_line); l.extend(lines); l}149150 rule hex_char()151 = quiet! { ['0'..='9' | 'a'..='f' | 'A'..='F'] } / expected!("<hex char>")152153 rule string_char(c: rule<()>)154 = (!['\\']!c()[_])+155 / "\\\\"156 / "\\u" hex_char() hex_char() hex_char() hex_char()157 / "\\x" hex_char() hex_char()158 / ['\\'] (quiet! { ['b' | 'f' | 'n' | 'r' | 't' | '"' | '\''] } / expected!("<escape character>"))159 pub rule string() -> String160 = ['"'] str:$(string_char(<"\"">)*) ['"'] {? unescape::unescape(str).ok_or("<escaped string>")}161 / ['\''] str:$(string_char(<"\'">)*) ['\''] {? unescape::unescape(str).ok_or("<escaped string>")}162 / quiet!{ "@'" str:$(("''" / (!['\''][_]))*) "'" {str.replace("''", "'")}163 / "@\"" str:$(("\"\"" / (!['"'][_]))*) "\"" {str.replace("\"\"", "\"")}164 / string_block() } / expected!("<string>")165166 pub rule field_name(s: &ParserSettings) -> expr::FieldName167 = name:id() {expr::FieldName::Fixed(name)}168 / name:string() {expr::FieldName::Fixed(name.into())}169 / "[" _ expr:expr(s) _ "]" {expr::FieldName::Dyn(expr)}170 pub rule visibility() -> expr::Visibility171 = ":::" {expr::Visibility::Unhide}172 / "::" {expr::Visibility::Hidden}173 / ":" {expr::Visibility::Normal}174 pub rule field(s: &ParserSettings) -> expr::FieldMember175 = name:field_name(s) _ plus:"+"? _ visibility:visibility() _ value:expr(s) {expr::FieldMember{176 name,177 plus: plus.is_some(),178 params: None,179 visibility,180 value,181 }}182 / name:field_name(s) _ "(" _ params:params(s) _ ")" _ visibility:visibility() _ value:expr(s) {expr::FieldMember{183 name,184 plus: false,185 params: Some(params),186 visibility,187 value,188 }}189 pub rule obj_local(s: &ParserSettings) -> BindSpec190 = keyword("local") _ bind:bind(s) {bind}191 pub rule member(s: &ParserSettings) -> expr::Member192 = bind:obj_local(s) {expr::Member::BindStmt(bind)}193 / assertion:assertion(s) {expr::Member::AssertStmt(assertion)}194 / field:field(s) {expr::Member::Field(field)}195 pub rule objinside(s: &ParserSettings) -> expr::ObjBody196 = 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})? {197 let mut compspecs = vec![CompSpec::ForSpec(forspec)];198 compspecs.extend(others.unwrap_or_default());199 expr::ObjBody::ObjComp(expr::ObjComp{200 pre_locals,201 key,202 plus: plus.is_some(),203 value,204 post_locals,205 compspecs,206 })207 }208 / members:(member(s) ** comma()) comma()? {expr::ObjBody::MemberList(members)}209 pub rule ifspec(s: &ParserSettings) -> IfSpecData210 = keyword("if") _ expr:expr(s) {IfSpecData(expr)}211 pub rule forspec(s: &ParserSettings) -> ForSpecData212 = keyword("for") _ id:id() _ keyword("in") _ cond:expr(s) {ForSpecData(id, cond)}213 pub rule compspec(s: &ParserSettings) -> Vec<expr::CompSpec>214 = s:(i:ifspec(s) { expr::CompSpec::IfSpec(i) } / f:forspec(s) {expr::CompSpec::ForSpec(f)} ) ** _ {s}215 pub rule local_expr(s: &ParserSettings) -> Expr216 = keyword("local") _ binds:bind(s) ** comma() (_ ",")? _ ";" _ expr:expr(s) { Expr::LocalExpr(binds, expr) }217 pub rule string_expr(s: &ParserSettings) -> Expr218 = s:string() {Expr::Str(s.into())}219 pub rule obj_expr(s: &ParserSettings) -> Expr220 = "{" _ body:objinside(s) _ "}" {Expr::Obj(body)}221 pub rule array_expr(s: &ParserSettings) -> Expr222 = "[" _ elems:(expr(s) ** comma()) _ comma()? "]" {Expr::Arr(elems)}223 pub rule array_comp_expr(s: &ParserSettings) -> Expr224 = "[" _ expr:expr(s) _ comma()? _ forspec:forspec(s) _ others:(others: compspec(s) _ {others})? "]" {225 let mut specs = vec![CompSpec::ForSpec(forspec)];226 specs.extend(others.unwrap_or_default());227 Expr::ArrComp(expr, specs)228 }229 pub rule number_expr(s: &ParserSettings) -> Expr230 = n:number() { expr::Expr::Num(n) }231 pub rule var_expr(s: &ParserSettings) -> Expr232 = n:id() { expr::Expr::Var(n) }233 pub rule id_loc(s: &ParserSettings) -> LocExpr234 = a:position!() n:id() b:position!() { LocExpr(Rc::new(expr::Expr::Str(n)), ExprLocation(s.file_name.clone(), a as u32,b as u32)) }235 pub rule if_then_else_expr(s: &ParserSettings) -> Expr236 = cond:ifspec(s) _ keyword("then") _ cond_then:expr(s) cond_else:(_ keyword("else") _ e:expr(s) {e})? {Expr::IfElse{237 cond,238 cond_then,239 cond_else,240 }}241242 pub rule literal(s: &ParserSettings) -> Expr243 = v:(244 keyword("null") {LiteralType::Null}245 / keyword("true") {LiteralType::True}246 / keyword("false") {LiteralType::False}247 / keyword("self") {LiteralType::This}248 / keyword("$") {LiteralType::Dollar}249 / keyword("super") {LiteralType::Super}250 ) {Expr::Literal(v)}251252 pub rule expr_basic(s: &ParserSettings) -> Expr253 = literal(s)254255 / quiet!{"$intrinsicThisFile" {Expr::IntrinsicThisFile}}256 / quiet!{"$intrinsicId" {Expr::IntrinsicId}}257 / quiet!{"$intrinsic(" name:id() ")" {Expr::Intrinsic(name)}}258259 / string_expr(s) / number_expr(s)260 / array_expr(s)261 / obj_expr(s)262 / array_expr(s)263 / array_comp_expr(s)264265 / keyword("importstr") _ path:string() {Expr::ImportStr(path.into())}266 / keyword("importbin") _ path:string() {Expr::ImportBin(path.into())}267 / keyword("import") _ path:string() {Expr::Import(path.into())}268269 / var_expr(s)270 / local_expr(s)271 / if_then_else_expr(s)272273 / keyword("function") _ "(" _ params:params(s) _ ")" _ expr:expr(s) {Expr::Function(params, expr)}274 / assertion:assertion(s) _ ";" _ expr:expr(s) { Expr::AssertExpr(assertion, expr) }275276 / keyword("error") _ expr:expr(s) { Expr::ErrorStmt(expr) }277278 rule slice_part(s: &ParserSettings) -> Option<LocExpr>279 = _ e:(e:expr(s) _{e})? {e}280 pub rule slice_desc(s: &ParserSettings) -> SliceDesc281 = start:slice_part(s) ":" pair:(end:slice_part(s) step:(":" e:slice_part(s){e})? {(end, step.flatten())})? {282 let (end, step) = if let Some((end, step)) = pair {283 (end, step)284 }else{285 (None, None)286 };287288 SliceDesc { start, end, step }289 }290291 rule binop(x: rule<()>) -> ()292 = quiet!{ x() } / expected!("<binary op>")293 rule unaryop(x: rule<()>) -> ()294 = quiet!{ x() } / expected!("<unary op>")295296297 use BinaryOpType::*;298 use UnaryOpType::*;299 rule expr(s: &ParserSettings) -> LocExpr300 = precedence! {301 start:position!() v:@ end:position!() { LocExpr(Rc::new(v), ExprLocation(s.file_name.clone(), start as u32, end as u32)) }302 --303 a:(@) _ binop(<"||">) _ b:@ {expr_bin!(a Or b)}304 --305 a:(@) _ binop(<"&&">) _ b:@ {expr_bin!(a And b)}306 --307 a:(@) _ binop(<"|">) _ b:@ {expr_bin!(a BitOr b)}308 --309 a:@ _ binop(<"^">) _ b:(@) {expr_bin!(a BitXor b)}310 --311 a:(@) _ binop(<"&">) _ b:@ {expr_bin!(a BitAnd b)}312 --313 a:(@) _ binop(<"==">) _ b:@ {expr_bin!(a Eq b)}314 a:(@) _ binop(<"!=">) _ b:@ {expr_bin!(a Neq b)}315 --316 a:(@) _ binop(<"<">) _ b:@ {expr_bin!(a Lt b)}317 a:(@) _ binop(<">">) _ b:@ {expr_bin!(a Gt b)}318 a:(@) _ binop(<"<=">) _ b:@ {expr_bin!(a Lte b)}319 a:(@) _ binop(<">=">) _ b:@ {expr_bin!(a Gte b)}320 a:(@) _ binop(<keyword("in")>) _ b:@ {expr_bin!(a In b)}321 --322 a:(@) _ binop(<"<<">) _ b:@ {expr_bin!(a Lhs b)}323 a:(@) _ binop(<">>">) _ b:@ {expr_bin!(a Rhs b)}324 --325 a:(@) _ binop(<"+">) _ b:@ {expr_bin!(a Add b)}326 a:(@) _ binop(<"-">) _ b:@ {expr_bin!(a Sub b)}327 --328 a:(@) _ binop(<"*">) _ b:@ {expr_bin!(a Mul b)}329 a:(@) _ binop(<"/">) _ b:@ {expr_bin!(a Div b)}330 a:(@) _ binop(<"%">) _ b:@ {expr_bin!(a Mod b)}331 --332 unaryop(<"-">) _ b:@ {expr_un!(Minus b)}333 unaryop(<"!">) _ b:@ {expr_un!(Not b)}334 unaryop(<"~">) _ b:@ {expr_un!(BitNot b)}335 --336 a:(@) _ "[" _ e:slice_desc(s) _ "]" {Expr::Slice(a, e)}337 a:(@) _ "." _ a:position!() e:id_loc(s) b:position!() {Expr::Index(a, e)}338 a:(@) _ "[" _ e:expr(s) _ "]" {Expr::Index(a, e)}339 a:(@) _ "(" _ args:args(s) _ ")" ts:(_ keyword("tailstrict"))? {Expr::Apply(a, args, ts.is_some())}340 a:(@) _ "{" _ body:objinside(s) _ "}" {Expr::ObjExtend(a, body)}341 --342 e:expr_basic(s) {e}343 "(" _ e:expr(s) _ ")" {Expr::Parened(e)}344 }345346 pub rule jsonnet(s: &ParserSettings) -> LocExpr = _ e:expr(s) _ {e}347 }348}349350pub type ParseError = peg::error::ParseError<peg::str::LineCol>;351pub fn parse(str: &str, settings: &ParserSettings) -> Result<LocExpr, ParseError> {352 jsonnet_parser::jsonnet(str, settings)353}354355pub fn string_to_expr(str: IStr, settings: &ParserSettings) -> LocExpr {356 let len = str.len();357 LocExpr(358 Rc::new(Expr::Str(str)),359 ExprLocation(settings.file_name.clone(), 0, len as u32),360 )361}362363#[cfg(test)]364pub mod tests {365 use std::borrow::Cow;366367 use BinaryOpType::*;368369 use super::{expr::*, parse};370 use crate::{source::Source, ParserSettings};371372 macro_rules! parse {373 ($s:expr) => {374 parse(375 $s,376 &ParserSettings {377 file_name: Source::new_virtual(Cow::Borrowed("<test>")),378 },379 )380 .unwrap()381 };382 }383384 macro_rules! el {385 ($expr:expr, $from:expr, $to:expr$(,)?) => {386 LocExpr(387 std::rc::Rc::new($expr),388 ExprLocation(Source::new_virtual(Cow::Borrowed("<test>")), $from, $to),389 )390 };391 }392393 #[test]394 fn multiline_string() {395 assert_eq!(396 parse!("|||\n Hello world!\n a\n|||"),397 el!(Expr::Str("Hello world!\n a\n".into()), 0, 31),398 );399 assert_eq!(400 parse!("|||\n Hello world!\n a\n|||"),401 el!(Expr::Str("Hello world!\n a\n".into()), 0, 27),402 );403 assert_eq!(404 parse!("|||\n\t\tHello world!\n\t\t\ta\n|||"),405 el!(Expr::Str("Hello world!\n\ta\n".into()), 0, 27),406 );407 assert_eq!(408 parse!("|||\n Hello world!\n a\n |||"),409 el!(Expr::Str("Hello world!\n a\n".into()), 0, 30),410 );411 }412413 #[test]414 fn slice() {415 parse!("a[1:]");416 parse!("a[1::]");417 parse!("a[:1:]");418 parse!("a[::1]");419 parse!("str[:len - 1]");420 }421422 #[test]423 fn string_escaping() {424 assert_eq!(425 parse!(r#""Hello, \"world\"!""#),426 el!(Expr::Str(r#"Hello, "world"!"#.into()), 0, 19),427 );428 assert_eq!(429 parse!(r#"'Hello \'world\'!'"#),430 el!(Expr::Str("Hello 'world'!".into()), 0, 18),431 );432 assert_eq!(parse!(r#"'\\\\'"#), el!(Expr::Str("\\\\".into()), 0, 6));433 }434435 #[test]436 fn string_unescaping() {437 assert_eq!(438 parse!(r#""Hello\nWorld""#),439 el!(Expr::Str("Hello\nWorld".into()), 0, 14),440 );441 }442443 #[test]444 fn string_verbantim() {445 assert_eq!(446 parse!(r#"@"Hello\n""World""""#),447 el!(Expr::Str("Hello\\n\"World\"".into()), 0, 19),448 );449 }450451 #[test]452 fn imports() {453 assert_eq!(454 parse!("import \"hello\""),455 el!(Expr::Import("hello".into()), 0, 14),456 );457 assert_eq!(458 parse!("importstr \"garnish.txt\""),459 el!(Expr::ImportStr("garnish.txt".into()), 0, 23)460 );461 assert_eq!(462 parse!("importbin \"garnish.bin\""),463 el!(Expr::ImportBin("garnish.bin".into()), 0, 23)464 );465 }466467 #[test]468 fn empty_object() {469 assert_eq!(470 parse!("{}"),471 el!(Expr::Obj(ObjBody::MemberList(vec![])), 0, 2)472 );473 }474475 #[test]476 fn basic_math() {477 assert_eq!(478 parse!("2+2*2"),479 el!(480 Expr::BinaryOp(481 el!(Expr::Num(2.0), 0, 1),482 Add,483 el!(484 Expr::BinaryOp(el!(Expr::Num(2.0), 2, 3), Mul, el!(Expr::Num(2.0), 4, 5)),485 2,486 5487 )488 ),489 0,490 5491 )492 );493 }494495 #[test]496 fn basic_math_with_indents() {497 assert_eq!(498 parse!("2 + 2 * 2 "),499 el!(500 Expr::BinaryOp(501 el!(Expr::Num(2.0), 0, 1),502 Add,503 el!(504 Expr::BinaryOp(el!(Expr::Num(2.0), 7, 8), Mul, el!(Expr::Num(2.0), 13, 14),),505 7,506 14507 ),508 ),509 0,510 14511 )512 );513 }514515 #[test]516 fn basic_math_parened() {517 assert_eq!(518 parse!("2+(2+2*2)"),519 el!(520 Expr::BinaryOp(521 el!(Expr::Num(2.0), 0, 1),522 Add,523 el!(524 Expr::Parened(el!(525 Expr::BinaryOp(526 el!(Expr::Num(2.0), 3, 4),527 Add,528 el!(529 Expr::BinaryOp(530 el!(Expr::Num(2.0), 5, 6),531 Mul,532 el!(Expr::Num(2.0), 7, 8),533 ),534 5,535 8536 ),537 ),538 3,539 8540 )),541 2,542 9543 ),544 ),545 0,546 9547 )548 );549 }550551 552 #[test]553 fn comments() {554 assert_eq!(555 parse!("2//comment\n+//comment\n3/*test*/*/*test*/4"),556 el!(557 Expr::BinaryOp(558 el!(Expr::Num(2.0), 0, 1),559 Add,560 el!(561 Expr::BinaryOp(562 el!(Expr::Num(3.0), 22, 23),563 Mul,564 el!(Expr::Num(4.0), 40, 41)565 ),566 22,567 41568 )569 ),570 0,571 41572 )573 );574 }575576 577 #[test]578 fn comment_escaping() {579 assert_eq!(580 parse!("2/*\\*/+*/ - 22"),581 el!(582 Expr::BinaryOp(el!(Expr::Num(2.0), 0, 1), Sub, el!(Expr::Num(22.0), 12, 14)),583 0,584 14585 )586 );587 }588589 #[test]590 fn suffix() {591 592 593 594 595 }596597 #[test]598 fn array_comp() {599 use Expr::*;600 601602603604 assert_eq!(605 parse!("[std.deepJoin(x) for x in arr]"),606 el!(607 ArrComp(608 el!(609 Apply(610 el!(611 Index(612 el!(Var("std".into()), 1, 4),613 el!(Str("deepJoin".into()), 5, 13)614 ),615 1,616 13617 ),618 ArgsDesc::new(vec![el!(Var("x".into()), 14, 15)], vec![]),619 false,620 ),621 1,622 16623 ),624 vec![CompSpec::ForSpec(ForSpecData(625 "x".into(),626 el!(Var("arr".into()), 26, 29)627 ))]628 ),629 0,630 30631 ),632 )633 }634635 #[test]636 fn reserved() {637 use Expr::*;638 assert_eq!(parse!("null"), el!(Literal(LiteralType::Null), 0, 4));639 assert_eq!(parse!("nulla"), el!(Var("nulla".into()), 0, 5));640 }641642 #[test]643 fn multiple_args_buf() {644 parse!("a(b, null_fields)");645 }646647 #[test]648 fn infix_precedence() {649 use Expr::*;650 assert_eq!(651 parse!("!a && !b"),652 el!(653 BinaryOp(654 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 1, 2)), 0, 2),655 And,656 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".into()), 7, 8)), 6, 8)657 ),658 0,659 8660 )661 );662 }663664 #[test]665 fn infix_precedence_division() {666 use Expr::*;667 assert_eq!(668 parse!("!a / !b"),669 el!(670 BinaryOp(671 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 1, 2)), 0, 2),672 Div,673 el!(UnaryOp(UnaryOpType::Not, el!(Var("b".into()), 6, 7)), 5, 7)674 ),675 0,676 7677 )678 );679 }680681 #[test]682 fn double_negation() {683 use Expr::*;684 assert_eq!(685 parse!("!!a"),686 el!(687 UnaryOp(688 UnaryOpType::Not,689 el!(UnaryOp(UnaryOpType::Not, el!(Var("a".into()), 2, 3)), 1, 3)690 ),691 0,692 3693 )694 )695 }696697 #[test]698 fn array_test_error() {699 parse!("[a for a in b if c for e in f]");700 701 }702703 #[test]704 fn missing_newline_between_comment_and_eof() {705 parse!(706 "{a:1}707708 //+213"709 );710 }711712 #[test]713 fn default_param_before_nondefault() {714 parse!("local x(foo = 'foo', bar) = null; null");715 }716717 #[test]718 fn can_parse_stdlib() {719 parse!(jrsonnet_stdlib::STDLIB_STR);720 }721722 #[test]723 fn add_location_info_to_all_sub_expressions() {724 use Expr::*;725726 let file_name = Source::new_virtual(Cow::Borrowed("<test>"));727 let expr = parse(728 "{} { local x = 1, x: x } + {}",729 &ParserSettings { file_name },730 )731 .unwrap();732 assert_eq!(733 expr,734 el!(735 BinaryOp(736 el!(737 ObjExtend(738 el!(Obj(ObjBody::MemberList(vec![])), 0, 2),739 ObjBody::MemberList(vec![740 Member::BindStmt(BindSpec::Field {741 into: Destruct::Full("x".into()),742 value: el!(Num(1.0), 15, 16)743 }),744 Member::Field(FieldMember {745 name: FieldName::Fixed("x".into()),746 plus: false,747 params: None,748 visibility: Visibility::Normal,749 value: el!(Var("x".into()), 21, 22),750 })751 ])752 ),753 0,754 24755 ),756 BinaryOpType::Add,757 el!(Obj(ObjBody::MemberList(vec![])), 27, 29),758 ),759 0,760 29761 ),762 );763 }764}