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Reflection: Emit descriptors for referenced imported protocols

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When we encounter a protocol typeref, we have to know if its @objc,
class-bound, or opaque, so make sure we provide the necessary
information when imported protocols are referenced.
This commit is contained in:
Slava Pestov
2016-05-26 15:39:51 -07:00
parent 97fd1a7411
commit 7a46b0f23f
5 changed files with 44 additions and 11 deletions
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11
lib/IRGen/GenReflection.cpp
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@@ -188,11 +188,13 @@ protected:
// for now, at least until we want to import C++ types or
// something like that.
//
// Classes go down a different path.
// Classes and protocols go down a different path.
if (auto Nominal = t->getAnyNominal())
if (Nominal->hasClangNode()) {
if (auto CD = dyn_cast<ClassDecl>(Nominal))
IGM.ImportedClasses.insert(CD);
else if (auto PD = dyn_cast<ProtocolDecl>(Nominal))
IGM.ImportedProtocols.insert(PD);
else
IGM.BuiltinTypes.insert(CanType(t));
}
@@ -372,7 +374,9 @@ class FieldTypeMetadataBuilder : public ReflectionMetadataBuilder {
auto type = NTD->getDeclaredType()->getCanonicalType();
addTypeRef(NTD->getModuleContext(), type);
if (NTD->hasClangNode() && !isa<ClassDecl>(NTD))
if (NTD->hasClangNode() &&
!isa<ClassDecl>(NTD) &&
!isa<ProtocolDecl>(NTD))
return;
switch (NTD->getKind()) {
@@ -884,6 +888,9 @@ void IRGenModule::emitBuiltinReflectionMetadata() {
for (auto CD : ImportedClasses)
emitFieldMetadataRecord(CD);
for (auto PD : ImportedProtocols)
emitFieldMetadataRecord(PD);
BuiltinTypeMetadataBuilder builder(*this);
auto var = builder.emit();
if (var)