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Add the ability for a owning addressor to return

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a non-native owner.  This is required by Slice, which
will use an ObjC immutable array object as the owner
as long as all the elements are contiguous.

As part of this, I decided it was best to encode the
native requirement in the accessor names.  This makes
some of these accessors really long; we can revisit this
if we productize this feature.

Note that pinning addressors still require a native
owner, since pinning as a feature is specific to swift
refcounting.

Swift SVN r24420
This commit is contained in:
John McCall
2015-01-14 19:14:20 +00:00
parent 513a55544f
commit cae0f6e3db
18 changed files with 133 additions and 78 deletions
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12
lib/AST/ASTPrinter.cpp
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@@ -672,8 +672,10 @@ void PrintAST::printAccessors(AbstractStorageDecl *ASD) {
return PrintAccessor(accessor, "unsafeAddress");
case AddressorKind::Owning:
return PrintAccessor(accessor, "addressWithOwner");
case AddressorKind::Pinning:
return PrintAccessor(accessor, "addressWithPinnedOwner");
case AddressorKind::NativeOwning:
return PrintAccessor(accessor, "addressWithNativeOwner");
case AddressorKind::NativePinning:
return PrintAccessor(accessor, "addressWithPinnedNativeOwner");
}
llvm_unreachable("bad addressor kind");
};
@@ -687,8 +689,10 @@ void PrintAST::printAccessors(AbstractStorageDecl *ASD) {
return PrintAccessor(accessor, "unsafeMutableAddress");
case AddressorKind::Owning:
return PrintAccessor(accessor, "mutableAddressWithOwner");
case AddressorKind::Pinning:
return PrintAccessor(accessor, "mutableAddressWithPinnedOwner");
case AddressorKind::NativeOwning:
return PrintAccessor(accessor, "mutableAddressWithNativeOwner");
case AddressorKind::NativePinning:
return PrintAccessor(accessor, "mutableAddressWithPinnedNativeOwner");
}
llvm_unreachable("bad addressor kind");
};