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Fix nested applied tag pattern parsing bug

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This commit is contained in:
Richard Feldman 2020-01-08 22:23:32 -05:00
parent 99b6314af4
commit 72ba7310ce
1 changed files with 9 additions and 0 deletions
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9
src/parse/mod.rs
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@ -763,6 +763,7 @@ fn parse_closure_param<'a>(
fn loc_pattern<'a>(min_indent: u16) -> impl Parser<'a, Located<Pattern<'a>>> {
one_of!(
loc_parenthetical_pattern(min_indent),
loc!(underscore_pattern()),
loc_tag_pattern(min_indent),
loc!(ident_pattern()),
@ -772,6 +773,14 @@ fn loc_pattern<'a>(min_indent: u16) -> impl Parser<'a, Located<Pattern<'a>>> {
)
}
fn loc_parenthetical_pattern<'a>(min_indent: u16) -> impl Parser<'a, Located<Pattern<'a>>> {
between!(
char('('),
move |arena, state| loc_pattern(min_indent).parse(arena, state),
char(')')
)
}
fn int_pattern<'a>() -> impl Parser<'a, Pattern<'a>> {
map_with_arena!(number_literal(), |arena, expr| {
expr_to_pattern(arena, &expr).unwrap()