diff options
Diffstat (limited to 'dhall/src/syntax/text')
-rw-r--r-- | dhall/src/syntax/text/parser.rs | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/dhall/src/syntax/text/parser.rs b/dhall/src/syntax/text/parser.rs index 2ec63e2..ceae2cd 100644 --- a/dhall/src/syntax/text/parser.rs +++ b/dhall/src/syntax/text/parser.rs @@ -11,7 +11,7 @@ use crate::syntax::ExprKind::*; use crate::syntax::{ Double, FilePath, FilePrefix, Hash, ImportLocation, ImportMode, Integer, InterpolatedText, InterpolatedTextContents, Label, NaiveDouble, Natural, - Scheme, Span, UnspannedExpr, URL, V, + Scheme, Span, URL, V, }; use crate::Normalized; @@ -21,6 +21,7 @@ use crate::Normalized; // are here and hopefully you can figure out how they work. type Expr = syntax::Expr<Normalized>; +type UnspannedExpr = syntax::UnspannedExpr<Normalized>; type ParsedText = InterpolatedText<Expr>; type ParsedTextContents = InterpolatedTextContents<Expr>; type ParseInput<'input> = pest_consume::Node<'input, Rule, Rc<str>>; @@ -78,13 +79,13 @@ impl crate::syntax::Builtin { fn input_to_span(input: ParseInput) -> Span { Span::make(input.user_data().clone(), input.as_pair().as_span()) } -fn spanned(input: ParseInput, x: UnspannedExpr<Normalized>) -> Expr { +fn spanned(input: ParseInput, x: UnspannedExpr) -> Expr { Expr::new(x, input_to_span(input)) } fn spanned_union( span1: Span, span2: Span, - x: UnspannedExpr<Normalized>, + x: UnspannedExpr, ) -> Expr { Expr::new(x, span1.union(&span2)) } @@ -845,25 +846,27 @@ impl DhallParser { [integer_literal(n)] => spanned(input, IntegerLit(n)), [double_quote_literal(s)] => spanned(input, TextLit(s)), [single_quote_literal(s)] => spanned(input, TextLit(s)), + [record_type_or_literal(e)] => spanned(input, e), + [union_type(e)] => spanned(input, e), [expression(e)] => e, )) } - #[alias(expression)] - fn empty_record_literal(input: ParseInput) -> ParseResult<Expr> { - Ok(spanned(input, RecordLit(Default::default()))) + #[alias(record_type_or_literal)] + fn empty_record_literal(input: ParseInput) -> ParseResult<UnspannedExpr> { + Ok(RecordLit(Default::default())) } - #[alias(expression)] - fn empty_record_type(input: ParseInput) -> ParseResult<Expr> { - Ok(spanned(input, RecordType(Default::default()))) + #[alias(record_type_or_literal)] + fn empty_record_type(input: ParseInput) -> ParseResult<UnspannedExpr> { + Ok(RecordType(Default::default())) } - #[alias(expression)] + #[alias(record_type_or_literal)] fn non_empty_record_type_or_literal( input: ParseInput, - ) -> ParseResult<Expr> { - let e = match_nodes!(input.children(); + ) -> ParseResult<UnspannedExpr> { + Ok(match_nodes!(input.children(); [label(first_label), non_empty_record_type(rest)] => { let (first_expr, mut map) = rest; map.insert(first_label, first_expr); @@ -874,8 +877,7 @@ impl DhallParser { map.insert(first_label, first_expr); RecordLit(map) }, - ); - Ok(spanned(input, e)) + )) } fn non_empty_record_type( @@ -910,13 +912,12 @@ impl DhallParser { )) } - #[alias(expression)] - fn union_type(input: ParseInput) -> ParseResult<Expr> { + fn union_type(input: ParseInput) -> ParseResult<UnspannedExpr> { let map = match_nodes!(input.children(); [empty_union_type(_)] => Default::default(), [union_type_entry(entries)..] => entries.collect(), ); - Ok(spanned(input, UnionType(map))) + Ok(UnionType(map)) } fn empty_union_type(_input: ParseInput) -> ParseResult<()> { |