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Merge pull request #28369 from nkcsgexi/originally-defined-in-attribute

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AST: introduce a new attribute @_originallyDefinedIn to the AST
This commit is contained in:
Xi Ge
2019-11-21 20:26:29 -08:00
committed by GitHub
parent fdec50a695 aa1e4eec86
commit 5a862e49bd
13 changed files with 324 additions and 2 deletions
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16
lib/Serialization/Serialization.cpp
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@@ -2180,6 +2180,22 @@ class Serializer::DeclSerializer : public DeclVisitor<DeclSerializer> {
return;
}
case DAK_OriginallyDefinedIn: {
auto *theAttr = cast<OriginallyDefinedInAttr>(DA);
ENCODE_VER_TUPLE(Moved, llvm::Optional<llvm::VersionTuple>(theAttr->MovedVersion));
auto abbrCode = S.DeclTypeAbbrCodes[OriginallyDefinedInDeclAttrLayout::Code];
llvm::SmallString<32> blob;
blob.append(theAttr->OriginalModuleName.str());
blob.push_back('\0');
OriginallyDefinedInDeclAttrLayout::emitRecord(
S.Out, S.ScratchRecord, abbrCode,
theAttr->isImplicit(),
LIST_VER_TUPLE_PIECES(Moved),
static_cast<unsigned>(theAttr->Platform),
blob);
return;
}
case DAK_Available: {
auto *theAttr = cast<AvailableAttr>(DA);
ENCODE_VER_TUPLE(Introduced, theAttr->Introduced)