Introduce ObjCProtocolListType type subclass.

This is used only for keeping detailed type source information for protocol references,
it should not participate in the semantics of the type system.

Its protocol list is not canonicalized.

llvm-svn: 83093

2 files changed, 20 insertions, 0 deletions

diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index 73c0b8d9911..ead00ee75ff 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -1970,6 +1970,16 @@ QualType PCHReader::ReadTypeRecord(uint64_t Offset) {
       Protos.push_back(cast<ObjCProtocolDecl>(GetDecl(Record[Idx++])));
     return Context->getObjCObjectPointerType(OIT, Protos.data(), NumProtos);
   }
+
+  case pch::TYPE_OBJC_PROTOCOL_LIST: {
+    unsigned Idx = 0;
+    QualType OIT = GetType(Record[Idx++]);
+    unsigned NumProtos = Record[Idx++];
+    llvm::SmallVector<ObjCProtocolDecl*, 4> Protos;
+    for (unsigned I = 0; I != NumProtos; ++I)
+      Protos.push_back(cast<ObjCProtocolDecl>(GetDecl(Record[Idx++])));
+    return Context->getObjCProtocolListType(OIT, Protos.data(), NumProtos);
+  }
   }
   // Suppress a GCC warning
   return QualType();
diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp
index 8ef846f7672..08a1661e1d3 100644
--- a/clang/lib/Frontend/PCHWriter.cpp
+++ b/clang/lib/Frontend/PCHWriter.cpp
@@ -255,6 +255,15 @@ PCHTypeWriter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
   Code = pch::TYPE_OBJC_OBJECT_POINTER;
 }
 
+void PCHTypeWriter::VisitObjCProtocolListType(const ObjCProtocolListType *T) {
+  Writer.AddTypeRef(T->getBaseType(), Record);
+  Record.push_back(T->getNumProtocols());
+  for (ObjCProtocolListType::qual_iterator I = T->qual_begin(),
+       E = T->qual_end(); I != E; ++I)
+    Writer.AddDeclRef(*I, Record);
+  Code = pch::TYPE_OBJC_PROTOCOL_LIST;
+}
+
 //===----------------------------------------------------------------------===//
 // PCHWriter Implementation
 //===----------------------------------------------------------------------===//
@@ -425,6 +434,7 @@ void PCHWriter::WriteBlockInfoBlock() {
   RECORD(TYPE_ENUM);
   RECORD(TYPE_OBJC_INTERFACE);
   RECORD(TYPE_OBJC_OBJECT_POINTER);
+  RECORD(TYPE_OBJC_PROTOCOL_LIST);
   // Statements and Exprs can occur in the Types block.
   AddStmtsExprs(Stream, Record);