Implement serialization of delegating constructors.

llvm-svn: 130822

2 files changed, 31 insertions, 15 deletions

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 5a4c59e3cde..3227cfc457f 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -4711,18 +4711,28 @@ ASTReader::ReadCXXCtorInitializers(PerFileData &F, const RecordData &Record,
       bool IsBaseVirtual = false;
       FieldDecl *Member = 0;
       IndirectFieldDecl *IndirectMember = 0;
+      CXXConstructorDecl *Target = 0;
 
-      bool IsBaseInitializer = Record[Idx++];
-      if (IsBaseInitializer) {
+      CtorInitializerType Type = (CtorInitializerType)Record[Idx++];
+      switch (Type) {
+       case CTOR_INITIALIZER_BASE:
         BaseClassInfo = GetTypeSourceInfo(F, Record, Idx);
         IsBaseVirtual = Record[Idx++];
-      } else {
-        bool IsIndirectMemberInitializer = Record[Idx++];
-        if (IsIndirectMemberInitializer)
-          IndirectMember = cast<IndirectFieldDecl>(GetDecl(Record[Idx++]));
-        else
-          Member = cast<FieldDecl>(GetDecl(Record[Idx++]));
+        break;
+
+       case CTOR_INITIALIZER_DELEGATING:
+        Target = cast<CXXConstructorDecl>(GetDecl(Record[Idx++]));
+        break;
+
+       case CTOR_INITIALIZER_MEMBER:
+        Member = cast<FieldDecl>(GetDecl(Record[Idx++]));
+        break;
+
+       case CTOR_INITIALIZER_INDIRECT_MEMBER:
+        IndirectMember = cast<IndirectFieldDecl>(GetDecl(Record[Idx++]));
+        break;
       }
+
       SourceLocation MemberOrEllipsisLoc = ReadSourceLocation(F, Record, Idx);
       Expr *Init = ReadExpr(F);
       SourceLocation LParenLoc = ReadSourceLocation(F, Record, Idx);
@@ -4740,10 +4750,13 @@ ASTReader::ReadCXXCtorInitializers(PerFileData &F, const RecordData &Record,
       }
 
       CXXCtorInitializer *BOMInit;
-      if (IsBaseInitializer) {
+      if (Type == CTOR_INITIALIZER_BASE) {
         BOMInit = new (C) CXXCtorInitializer(C, BaseClassInfo, IsBaseVirtual,
                                              LParenLoc, Init, RParenLoc,
                                              MemberOrEllipsisLoc);
+      } else if (Type == CTOR_INITIALIZER_DELEGATING) {
+        BOMInit = new (C) CXXCtorInitializer(C, MemberOrEllipsisLoc, LParenLoc,
+                                             Target, Init, RParenLoc);
       } else if (IsWritten) {
         if (Member)
           BOMInit = new (C) CXXCtorInitializer(C, Member, MemberOrEllipsisLoc,
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index e711351add4..30b55c2591d 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -3744,16 +3744,19 @@ void ASTWriter::AddCXXCtorInitializers(
   for (unsigned i=0; i != NumCtorInitializers; ++i) {
     const CXXCtorInitializer *Init = CtorInitializers[i];
 
-    Record.push_back(Init->isBaseInitializer());
     if (Init->isBaseInitializer()) {
+      Record.push_back(CTOR_INITIALIZER_BASE);
       AddTypeSourceInfo(Init->getBaseClassInfo(), Record);
       Record.push_back(Init->isBaseVirtual());
+    } else if (Init->isDelegatingInitializer()) {
+      Record.push_back(CTOR_INITIALIZER_DELEGATING);
+      AddDeclRef(Init->getTargetConstructor(), Record);
+    } else if (Init->isMemberInitializer()){
+      Record.push_back(CTOR_INITIALIZER_MEMBER);
+      AddDeclRef(Init->getMember(), Record);
     } else {
-      Record.push_back(Init->isIndirectMemberInitializer());
-      if (Init->isIndirectMemberInitializer())
-        AddDeclRef(Init->getIndirectMember(), Record);
-      else
-        AddDeclRef(Init->getMember(), Record);
+      Record.push_back(CTOR_INITIALIZER_INDIRECT_MEMBER);
+      AddDeclRef(Init->getIndirectMember(), Record);
     }
 
     AddSourceLocation(Init->getMemberLocation(), Record);