diff options
Diffstat (limited to 'source/slang/lookup.cpp')
| -rw-r--r-- | source/slang/lookup.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/source/slang/lookup.cpp b/source/slang/lookup.cpp index c0cb657c4..b01732362 100644 --- a/source/slang/lookup.cpp +++ b/source/slang/lookup.cpp @@ -410,7 +410,27 @@ void lookUpMemberImpl( if (auto declRefType = type->As<DeclRefType>()) { auto declRef = declRefType->declRef; - if (auto aggTypeDeclRef = declRef.As<AggTypeDecl>()) + if (auto assocTypeDeclRef = declRef.As<AssocTypeDecl>()) + { + for (auto constraintDeclRef : getMembersOfType<GenericTypeConstraintDecl>(assocTypeDeclRef)) + { + // The super-type in the constraint (e.g., `Foo` in `T : Foo`) + // will tell us a type we should use for lookup. + auto bound = GetSup(constraintDeclRef); + + // Go ahead and use the target type, with an appropriate breadcrumb + // to indicate that we indirected through a type constraint. + + BreadcrumbInfo breadcrumb; + breadcrumb.prev = inBreadcrumbs; + breadcrumb.kind = LookupResultItem::Breadcrumb::Kind::Constraint; + breadcrumb.declRef = constraintDeclRef; + + // TODO: Need to consider case where this might recurse infinitely. + lookUpMemberImpl(session, semantics, name, bound, ioResult, &breadcrumb); + } + } + else if (auto aggTypeDeclRef = declRef.As<AggTypeDecl>()) { LookupRequest request; request.semantics = semantics; @@ -452,7 +472,9 @@ void lookUpMemberImpl( lookUpMemberImpl(session, semantics, name, bound, ioResult, &breadcrumb); } } + } + } LookupResult lookUpMember( |