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Add deserialization and stable encodings for ReferenceStorageType.

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Jordan, please review.

Swift SVN r6111
This commit is contained in:
John McCall
2013-07-10 09:00:36 +00:00
parent 87ef9204d4
commit f4f164cb9e
5 changed files with 75 additions and 22 deletions
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30
lib/Serialization/ModuleFile.cpp
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@@ -1003,6 +1003,18 @@ static Optional<swift::AbstractCC> getActualCC(uint8_t cc) {
}
}
/// Translate from the serialization Ownership enumerators, which are
/// guaranteed to be stable, to the AST ones.
static
Optional<swift::Ownership> getActualOwnership(serialization::Ownership raw) {
switch (raw) {
case serialization::Ownership::Strong: return swift::Ownership::Strong;
case serialization::Ownership::Unowned: return swift::Ownership::Unowned;
case serialization::Ownership::Weak: return swift::Ownership::Weak;
}
return Nothing;
}
Type ModuleFile::getType(TypeID TID) {
if (TID == 0)
return Type();
@@ -1149,6 +1161,24 @@ Type ModuleFile::getType(TypeID TID) {
break;
}
case decls_block::REFERENCE_STORAGE_TYPE: {
uint8_t rawOwnership;
TypeID referentTypeID;
decls_block::ReferenceStorageTypeLayout::readRecord(scratch, rawOwnership,
referentTypeID);
auto ownership =
getActualOwnership((serialization::Ownership) rawOwnership);
if (!ownership.hasValue()) {
error();
break;
}
typeOrOffset = ReferenceStorageType::get(getType(referentTypeID),
ownership.getValue(), ctx);
break;
}
case decls_block::ARCHETYPE_TYPE: {
IdentifierID nameID;
bool isPrimary;