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Parse opaque references

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This commit is contained in:
ayazhafiz 2022-02-19 21:28:39 -05:00
parent a38f1d1e8d
commit 6104a27b45
22 changed files with 206 additions and 25 deletions
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18
compiler/parse/src/pattern.rs
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@ -197,31 +197,35 @@ fn loc_ident_pattern_help<'a>(
Ok((MadeProgress, loc_tag, state))
}
}
Ident::PrivateTag(tag) => {
let loc_tag = Loc {
Ident::PrivateTag(name) | Ident::OpaqueRef(name) => {
let loc_pat = Loc {
region: loc_ident.region,
value: Pattern::PrivateTag(tag),
value: if matches!(loc_ident.value, Ident::PrivateTag(..)) {
Pattern::PrivateTag(name)
} else {
Pattern::OpaqueRef(name)
},
};
// Make sure `Foo Bar 1` is parsed as `Foo (Bar) 1`, and not `Foo (Bar 1)`
// Make sure `@Foo Bar 1` is parsed as `@Foo (Bar) 1`, and not `@Foo (Bar 1)`
if can_have_arguments {
let (_, loc_args, state) =
loc_tag_pattern_args_help(min_indent).parse(arena, state)?;
if loc_args.is_empty() {
Ok((MadeProgress, loc_tag, state))
Ok((MadeProgress, loc_pat, state))
} else {
let region = Region::across_all(
std::iter::once(&loc_ident.region)
.chain(loc_args.iter().map(|loc_arg| &loc_arg.region)),
);
let value =
Pattern::Apply(&*arena.alloc(loc_tag), loc_args.into_bump_slice());
Pattern::Apply(&*arena.alloc(loc_pat), loc_args.into_bump_slice());
Ok((MadeProgress, Loc { region, value }, state))
}
} else {
Ok((MadeProgress, loc_tag, state))
Ok((MadeProgress, loc_pat, state))
}
}
Ident::Access { module_name, parts } => {