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typecheck tags with arguments

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also fixes an issue where private tags in patterns would not have the @ symbol in their name
This commit is contained in:
Folkert 2020-01-09 13:20:21 +01:00
parent 98515cdf23
commit dd240cf53a
7 changed files with 104 additions and 29 deletions
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12
src/parse/mod.rs
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@ -1426,7 +1426,17 @@ pub fn record_literal<'a>(min_indent: u16) -> impl Parser<'a, Expr<'a>> {
/// This is mainly for matching tags in closure params, e.g. \@Foo -> ...
fn private_tag<'a>() -> impl Parser<'a, &'a str> {
skip_first!(char('@'), global_tag())
// TODO should be refactored so the name is not allocated again.
map_with_arena!(
skip_first!(char('@'), global_tag()),
|arena: &'a Bump, name: &'a str| {
use bumpalo::collections::string::String;
let mut buf = String::with_capacity_in(1 + name.len(), arena);
buf.push('@');
buf.push_str(name);
buf.into_bump_str()
}
)
}
/// This is mainly for matching tags in closure params, e.g. \Foo -> ...