language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-10-03 00:24:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Basic type inference and solving for abilities

Browse source 
Note that is still pretty limited. We only permit opaque types to
implement abilities, abilities cannot have type arguments, and also no
other functions may depend on abilities
This commit is contained in:
Ayaz Hafiz 2022-04-12 15:37:16 -04:00
parent 913d97cab1
commit 15a040ec87
No known key found for this signature in database
GPG key ID: 0E2A37416A25EF58
25 changed files with 1808 additions and 477 deletions
Download patch file Download diff file Expand all files Collapse all files

14
compiler/can/src/scope.rs
View file

@ -22,7 +22,7 @@ pub struct Scope {
pub aliases: SendMap<Symbol, Alias>,
/// The abilities currently in scope, and their implementors.
pub abilities: SendMap<Symbol, Region>,
pub abilities_store: AbilitiesStore,
/// The current module being processed. This will be used to turn
/// unqualified idents into Symbols.
@ -68,7 +68,7 @@ impl Scope {
symbols: SendMap::default(),
aliases,
// TODO(abilities): default abilities in scope
abilities: SendMap::default(),
abilities_store: AbilitiesStore::default(),
}
}
@ -247,16 +247,20 @@ impl Scope {
exposed_ident_ids: &IdentIds,
all_ident_ids: &mut IdentIds,
region: Region,
abilities_store: &AbilitiesStore,
) -> Result<(Symbol, Option<Symbol>), (Region, Loc<Ident>, Symbol)> {
match self.idents.get(&ident) {
match dbg!(self.idents.get(&ident)) {
Some(&(original_symbol, original_region)) => {
let shadow_ident_id = all_ident_ids.add(ident.clone());
let shadow_symbol = Symbol::new(self.home, shadow_ident_id);
self.symbols.insert(shadow_symbol, region);
if abilities_store.is_ability_member_name(original_symbol) {
if self
.abilities_store
.is_ability_member_name(dbg!(original_symbol))
{
self.abilities_store
.register_specializing_symbol(shadow_symbol, original_symbol);
// Add a symbol for the shadow, but don't re-associate the member name.
Ok((shadow_symbol, Some(original_symbol)))
} else {