[clang-tools-extra] r328150 - [clang-doc] Reland "[clang-doc] Setup clang-doc frontend framework"

Julie Hockett via cfe-commits cfe-commits at lists.llvm.org
Wed Mar 21 14:21:45 PDT 2018


Author: juliehockett
Date: Wed Mar 21 14:21:45 2018
New Revision: 328150

URL: http://llvm.org/viewvc/llvm-project?rev=328150&view=rev
Log:
[clang-doc] Reland "[clang-doc] Setup clang-doc frontend framework"

Fixing the the failing Windows tests.

Added:
    clang-tools-extra/trunk/clang-doc/BitcodeWriter.cpp
    clang-tools-extra/trunk/clang-doc/BitcodeWriter.h
    clang-tools-extra/trunk/clang-doc/CMakeLists.txt
    clang-tools-extra/trunk/clang-doc/ClangDoc.cpp
    clang-tools-extra/trunk/clang-doc/ClangDoc.h
    clang-tools-extra/trunk/clang-doc/Mapper.cpp
    clang-tools-extra/trunk/clang-doc/Mapper.h
    clang-tools-extra/trunk/clang-doc/Representation.h
    clang-tools-extra/trunk/clang-doc/Serialize.cpp
    clang-tools-extra/trunk/clang-doc/Serialize.h
    clang-tools-extra/trunk/clang-doc/tool/CMakeLists.txt
    clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-class-in-class.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-class-in-function.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-class.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-comments.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-enum.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-function.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-method.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-namespace.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-struct.cpp
    clang-tools-extra/trunk/test/clang-doc/mapper-union.cpp
Modified:
    clang-tools-extra/trunk/CMakeLists.txt
    clang-tools-extra/trunk/test/CMakeLists.txt

Modified: clang-tools-extra/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/CMakeLists.txt?rev=328150&r1=328149&r2=328150&view=diff
==============================================================================
--- clang-tools-extra/trunk/CMakeLists.txt (original)
+++ clang-tools-extra/trunk/CMakeLists.txt Wed Mar 21 14:21:45 2018
@@ -7,6 +7,7 @@ add_subdirectory(clang-tidy-vs)
 endif()
 
 add_subdirectory(change-namespace)
+add_subdirectory(clang-doc)
 add_subdirectory(clang-query)
 add_subdirectory(clang-move)
 add_subdirectory(clangd)

Added: clang-tools-extra/trunk/clang-doc/BitcodeWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/BitcodeWriter.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/BitcodeWriter.cpp (added)
+++ clang-tools-extra/trunk/clang-doc/BitcodeWriter.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,511 @@
+//===--  BitcodeWriter.cpp - ClangDoc Bitcode Writer ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "BitcodeWriter.h"
+#include "llvm/ADT/IndexedMap.h"
+#include <initializer_list>
+
+namespace clang {
+namespace doc {
+
+// Since id enums are not zero-indexed, we need to transform the given id into
+// its associated index.
+struct BlockIdToIndexFunctor {
+  using argument_type = unsigned;
+  unsigned operator()(unsigned ID) const { return ID - BI_FIRST; }
+};
+
+struct RecordIdToIndexFunctor {
+  using argument_type = unsigned;
+  unsigned operator()(unsigned ID) const { return ID - RI_FIRST; }
+};
+
+using AbbrevDsc = void (*)(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev);
+
+static void AbbrevGen(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev,
+                      const std::initializer_list<llvm::BitCodeAbbrevOp> Ops) {
+  for (const auto &Op : Ops)
+    Abbrev->Add(Op);
+}
+
+static void BoolAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(Abbrev,
+            {// 0. Boolean
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::BoolSize)});
+}
+
+static void IntAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(Abbrev,
+            {// 0. Fixed-size integer
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::IntSize)});
+}
+
+static void SymbolIDAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(Abbrev,
+            {// 0. Fixed-size integer (length of the sha1'd USR)
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::USRLengthSize),
+             // 1. Fixed-size array of Char6 (USR)
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Array),
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::USRBitLengthSize)});
+}
+
+static void StringAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(Abbrev,
+            {// 0. Fixed-size integer (length of the following string)
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::StringLengthSize),
+             // 1. The string blob
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob)});
+}
+
+// Assumes that the file will not have more than 65535 lines.
+static void LocationAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(
+      Abbrev,
+      {// 0. Fixed-size integer (line number)
+       llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                             BitCodeConstants::LineNumberSize),
+       // 1. Fixed-size integer (length of the following string (filename))
+       llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                             BitCodeConstants::StringLengthSize),
+       // 2. The string blob
+       llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob)});
+}
+
+static void ReferenceAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
+  AbbrevGen(Abbrev,
+            {// 0. Fixed-size integer (ref type)
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::ReferenceTypeSize),
+             // 1. Fixed-size integer (length of the USR or UnresolvedName)
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
+                                   BitCodeConstants::StringLengthSize),
+             // 2. The string blob
+             llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob)});
+}
+
+struct RecordIdDsc {
+  llvm::StringRef Name;
+  AbbrevDsc Abbrev = nullptr;
+
+  RecordIdDsc() = default;
+  RecordIdDsc(llvm::StringRef Name, AbbrevDsc Abbrev)
+      : Name(Name), Abbrev(Abbrev) {}
+
+  // Is this 'description' valid?
+  operator bool() const {
+    return Abbrev != nullptr && Name.data() != nullptr && !Name.empty();
+  }
+};
+
+static const llvm::IndexedMap<llvm::StringRef, BlockIdToIndexFunctor>
+    BlockIdNameMap = []() {
+      llvm::IndexedMap<llvm::StringRef, BlockIdToIndexFunctor> BlockIdNameMap;
+      BlockIdNameMap.resize(BlockIdCount);
+
+      // There is no init-list constructor for the IndexedMap, so have to
+      // improvise
+      static const std::initializer_list<std::pair<BlockId, const char *const>>
+          Inits = {{BI_VERSION_BLOCK_ID, "VersionBlock"},
+                   {BI_NAMESPACE_BLOCK_ID, "NamespaceBlock"},
+                   {BI_ENUM_BLOCK_ID, "EnumBlock"},
+                   {BI_TYPE_BLOCK_ID, "TypeBlock"},
+                   {BI_FIELD_TYPE_BLOCK_ID, "FieldTypeBlock"},
+                   {BI_MEMBER_TYPE_BLOCK_ID, "MemberTypeBlock"},
+                   {BI_RECORD_BLOCK_ID, "RecordBlock"},
+                   {BI_FUNCTION_BLOCK_ID, "FunctionBlock"},
+                   {BI_COMMENT_BLOCK_ID, "CommentBlock"}};
+      assert(Inits.size() == BlockIdCount);
+      for (const auto &Init : Inits)
+        BlockIdNameMap[Init.first] = Init.second;
+      assert(BlockIdNameMap.size() == BlockIdCount);
+      return BlockIdNameMap;
+    }();
+
+static const llvm::IndexedMap<RecordIdDsc, RecordIdToIndexFunctor>
+    RecordIdNameMap = []() {
+      llvm::IndexedMap<RecordIdDsc, RecordIdToIndexFunctor> RecordIdNameMap;
+      RecordIdNameMap.resize(RecordIdCount);
+
+      // There is no init-list constructor for the IndexedMap, so have to
+      // improvise
+      static const std::initializer_list<std::pair<RecordId, RecordIdDsc>>
+          Inits = {{VERSION, {"Version", &IntAbbrev}},
+                   {COMMENT_KIND, {"Kind", &StringAbbrev}},
+                   {COMMENT_TEXT, {"Text", &StringAbbrev}},
+                   {COMMENT_NAME, {"Name", &StringAbbrev}},
+                   {COMMENT_DIRECTION, {"Direction", &StringAbbrev}},
+                   {COMMENT_PARAMNAME, {"ParamName", &StringAbbrev}},
+                   {COMMENT_CLOSENAME, {"CloseName", &StringAbbrev}},
+                   {COMMENT_SELFCLOSING, {"SelfClosing", &BoolAbbrev}},
+                   {COMMENT_EXPLICIT, {"Explicit", &BoolAbbrev}},
+                   {COMMENT_ATTRKEY, {"AttrKey", &StringAbbrev}},
+                   {COMMENT_ATTRVAL, {"AttrVal", &StringAbbrev}},
+                   {COMMENT_ARG, {"Arg", &StringAbbrev}},
+                   {TYPE_REF, {"Type", &ReferenceAbbrev}},
+                   {FIELD_TYPE_REF, {"Type", &ReferenceAbbrev}},
+                   {FIELD_TYPE_NAME, {"Name", &StringAbbrev}},
+                   {MEMBER_TYPE_REF, {"Type", &ReferenceAbbrev}},
+                   {MEMBER_TYPE_NAME, {"Name", &StringAbbrev}},
+                   {MEMBER_TYPE_ACCESS, {"Access", &IntAbbrev}},
+                   {NAMESPACE_USR, {"USR", &SymbolIDAbbrev}},
+                   {NAMESPACE_NAME, {"Name", &StringAbbrev}},
+                   {NAMESPACE_NAMESPACE, {"Namespace", &ReferenceAbbrev}},
+                   {ENUM_USR, {"USR", &SymbolIDAbbrev}},
+                   {ENUM_NAME, {"Name", &StringAbbrev}},
+                   {ENUM_NAMESPACE, {"Namespace", &ReferenceAbbrev}},
+                   {ENUM_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
+                   {ENUM_LOCATION, {"Location", &LocationAbbrev}},
+                   {ENUM_MEMBER, {"Member", &StringAbbrev}},
+                   {ENUM_SCOPED, {"Scoped", &BoolAbbrev}},
+                   {RECORD_USR, {"USR", &SymbolIDAbbrev}},
+                   {RECORD_NAME, {"Name", &StringAbbrev}},
+                   {RECORD_NAMESPACE, {"Namespace", &ReferenceAbbrev}},
+                   {RECORD_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
+                   {RECORD_LOCATION, {"Location", &LocationAbbrev}},
+                   {RECORD_TAG_TYPE, {"TagType", &IntAbbrev}},
+                   {RECORD_PARENT, {"Parent", &ReferenceAbbrev}},
+                   {RECORD_VPARENT, {"VParent", &ReferenceAbbrev}},
+                   {FUNCTION_USR, {"USR", &SymbolIDAbbrev}},
+                   {FUNCTION_NAME, {"Name", &StringAbbrev}},
+                   {FUNCTION_NAMESPACE, {"Namespace", &ReferenceAbbrev}},
+                   {FUNCTION_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
+                   {FUNCTION_LOCATION, {"Location", &LocationAbbrev}},
+                   {FUNCTION_PARENT, {"Parent", &ReferenceAbbrev}},
+                   {FUNCTION_ACCESS, {"Access", &IntAbbrev}},
+                   {FUNCTION_IS_METHOD, {"IsMethod", &BoolAbbrev}}};
+      assert(Inits.size() == RecordIdCount);
+      for (const auto &Init : Inits) {
+        RecordIdNameMap[Init.first] = Init.second;
+        assert((Init.second.Name.size() + 1) <= BitCodeConstants::RecordSize);
+      }
+      assert(RecordIdNameMap.size() == RecordIdCount);
+      return RecordIdNameMap;
+    }();
+
+// AbbreviationMap
+
+void ClangDocBitcodeWriter::AbbreviationMap::add(RecordId RID,
+                                                 unsigned AbbrevID) {
+  assert(RecordIdNameMap[RID] && "Unknown RecordId.");
+  assert(Abbrevs.find(RID) == Abbrevs.end() && "Abbreviation already added.");
+  Abbrevs[RID] = AbbrevID;
+}
+
+unsigned ClangDocBitcodeWriter::AbbreviationMap::get(RecordId RID) const {
+  assert(RecordIdNameMap[RID] && "Unknown RecordId.");
+  assert(Abbrevs.find(RID) != Abbrevs.end() && "Unknown abbreviation.");
+  return Abbrevs.lookup(RID);
+}
+
+// Validation and Overview Blocks
+
+/// \brief Emits the magic number header to check that its the right format,
+/// in this case, 'DOCS'.
+void ClangDocBitcodeWriter::emitHeader() {
+  for (char C : llvm::StringRef("DOCS"))
+    Stream.Emit((unsigned)C, BitCodeConstants::SignatureBitSize);
+}
+
+void ClangDocBitcodeWriter::emitVersionBlock() {
+  StreamSubBlockGuard Block(Stream, BI_VERSION_BLOCK_ID);
+  emitRecord(VersionNumber, VERSION);
+}
+
+/// \brief Emits a block ID and the block name to the BLOCKINFO block.
+void ClangDocBitcodeWriter::emitBlockID(BlockId BID) {
+  const auto &BlockIdName = BlockIdNameMap[BID];
+  assert(BlockIdName.data() && BlockIdName.size() && "Unknown BlockId.");
+
+  Record.clear();
+  Record.push_back(BID);
+  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
+  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_BLOCKNAME,
+                    ArrayRef<unsigned char>(BlockIdNameMap[BID].bytes_begin(),
+                                            BlockIdNameMap[BID].bytes_end()));
+}
+
+/// \brief Emits a record name to the BLOCKINFO block.
+void ClangDocBitcodeWriter::emitRecordID(RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  prepRecordData(ID);
+  Record.append(RecordIdNameMap[ID].Name.begin(),
+                RecordIdNameMap[ID].Name.end());
+  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
+}
+
+// Abbreviations
+
+void ClangDocBitcodeWriter::emitAbbrev(RecordId ID, BlockId Block) {
+  assert(RecordIdNameMap[ID] && "Unknown abbreviation.");
+  auto Abbrev = std::make_shared<llvm::BitCodeAbbrev>();
+  Abbrev->Add(llvm::BitCodeAbbrevOp(ID));
+  RecordIdNameMap[ID].Abbrev(Abbrev);
+  Abbrevs.add(ID, Stream.EmitBlockInfoAbbrev(Block, std::move(Abbrev)));
+}
+
+// Records
+
+void ClangDocBitcodeWriter::emitRecord(const SymbolID &Sym, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &SymbolIDAbbrev &&
+         "Abbrev type mismatch.");
+  if (!prepRecordData(ID, !Sym.empty()))
+    return;
+  assert(Sym.size() == 20);
+  Record.push_back(Sym.size());
+  Record.append(Sym.begin(), Sym.end());
+  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
+}
+
+void ClangDocBitcodeWriter::emitRecord(llvm::StringRef Str, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &StringAbbrev &&
+         "Abbrev type mismatch.");
+  if (!prepRecordData(ID, !Str.empty()))
+    return;
+  assert(Str.size() < (1U << BitCodeConstants::StringLengthSize));
+  Record.push_back(Str.size());
+  Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, Str);
+}
+
+void ClangDocBitcodeWriter::emitRecord(const Location &Loc, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &LocationAbbrev &&
+         "Abbrev type mismatch.");
+  if (!prepRecordData(ID, true))
+    return;
+  // FIXME: Assert that the line number is of the appropriate size.
+  Record.push_back(Loc.LineNumber);
+  assert(Loc.Filename.size() < (1U << BitCodeConstants::StringLengthSize));
+  // Record.push_back(Loc.Filename.size());
+  // Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, Loc.Filename);
+  Record.push_back(4);
+  Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, "test");
+}
+
+void ClangDocBitcodeWriter::emitRecord(const Reference &Ref, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &ReferenceAbbrev &&
+         "Abbrev type mismatch.");
+  SmallString<40> StringUSR;
+  StringRef OutString;
+  if (Ref.RefType == InfoType::IT_default)
+    OutString = Ref.UnresolvedName;
+  else {
+    StringUSR = llvm::toHex(llvm::toStringRef(Ref.USR));
+    OutString = StringUSR;
+  }
+  if (!prepRecordData(ID, !OutString.empty()))
+    return;
+  assert(OutString.size() < (1U << BitCodeConstants::StringLengthSize));
+  Record.push_back((int)Ref.RefType);
+  Record.push_back(OutString.size());
+  Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, OutString);
+}
+
+void ClangDocBitcodeWriter::emitRecord(bool Val, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &BoolAbbrev && "Abbrev type mismatch.");
+  if (!prepRecordData(ID, Val))
+    return;
+  Record.push_back(Val);
+  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
+}
+
+void ClangDocBitcodeWriter::emitRecord(int Val, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &IntAbbrev && "Abbrev type mismatch.");
+  if (!prepRecordData(ID, Val))
+    return;
+  // FIXME: Assert that the integer is of the appropriate size.
+  Record.push_back(Val);
+  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
+}
+
+void ClangDocBitcodeWriter::emitRecord(unsigned Val, RecordId ID) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  assert(RecordIdNameMap[ID].Abbrev == &IntAbbrev && "Abbrev type mismatch.");
+  if (!prepRecordData(ID, Val))
+    return;
+  assert(Val < (1U << BitCodeConstants::IntSize));
+  Record.push_back(Val);
+  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
+}
+
+bool ClangDocBitcodeWriter::prepRecordData(RecordId ID, bool ShouldEmit) {
+  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
+  if (!ShouldEmit)
+    return false;
+  Record.clear();
+  Record.push_back(ID);
+  return true;
+}
+
+// BlockInfo Block
+
+void ClangDocBitcodeWriter::emitBlockInfoBlock() {
+  const std::initializer_list<
+      std::pair<BlockId, std::initializer_list<RecordId>>>
+      RecordsByBlock{
+          // Version Block
+          {BI_VERSION_BLOCK_ID, {VERSION}},
+          // Comment Block
+          {BI_COMMENT_BLOCK_ID,
+           {COMMENT_KIND, COMMENT_TEXT, COMMENT_NAME, COMMENT_DIRECTION,
+            COMMENT_PARAMNAME, COMMENT_CLOSENAME, COMMENT_SELFCLOSING,
+            COMMENT_EXPLICIT, COMMENT_ATTRKEY, COMMENT_ATTRVAL, COMMENT_ARG}},
+          // Type Block
+          {BI_TYPE_BLOCK_ID, {TYPE_REF}},
+          // FieldType Block
+          {BI_FIELD_TYPE_BLOCK_ID, {FIELD_TYPE_REF, FIELD_TYPE_NAME}},
+          // MemberType Block
+          {BI_MEMBER_TYPE_BLOCK_ID,
+           {MEMBER_TYPE_REF, MEMBER_TYPE_NAME, MEMBER_TYPE_ACCESS}},
+          // Enum Block
+          {BI_ENUM_BLOCK_ID,
+           {ENUM_USR, ENUM_NAME, ENUM_NAMESPACE, ENUM_DEFLOCATION,
+            ENUM_LOCATION, ENUM_MEMBER, ENUM_SCOPED}},
+          // Namespace Block
+          {BI_NAMESPACE_BLOCK_ID,
+           {NAMESPACE_USR, NAMESPACE_NAME, NAMESPACE_NAMESPACE}},
+          // Record Block
+          {BI_RECORD_BLOCK_ID,
+           {RECORD_USR, RECORD_NAME, RECORD_NAMESPACE, RECORD_DEFLOCATION,
+            RECORD_LOCATION, RECORD_TAG_TYPE, RECORD_PARENT, RECORD_VPARENT}},
+          // Function Block
+          {BI_FUNCTION_BLOCK_ID,
+           {FUNCTION_USR, FUNCTION_NAME, FUNCTION_NAMESPACE,
+            FUNCTION_DEFLOCATION, FUNCTION_LOCATION, FUNCTION_PARENT,
+            FUNCTION_ACCESS, FUNCTION_IS_METHOD}}};
+
+  Stream.EnterBlockInfoBlock();
+  for (const auto &Block : RecordsByBlock) {
+    assert(Block.second.size() < (1U << BitCodeConstants::SubblockIDSize));
+    emitBlockInfo(Block.first, Block.second);
+  }
+  Stream.ExitBlock();
+}
+
+void ClangDocBitcodeWriter::emitBlockInfo(
+    BlockId BID, const std::initializer_list<RecordId> &RIDs) {
+  assert(RIDs.size() < (1U << BitCodeConstants::SubblockIDSize));
+  emitBlockID(BID);
+  for (RecordId RID : RIDs) {
+    emitRecordID(RID);
+    emitAbbrev(RID, BID);
+  }
+}
+
+// Block emission
+
+void ClangDocBitcodeWriter::emitBlock(const TypeInfo &T) {
+  StreamSubBlockGuard Block(Stream, BI_TYPE_BLOCK_ID);
+  emitRecord(T.Type, TYPE_REF);
+}
+
+void ClangDocBitcodeWriter::emitBlock(const FieldTypeInfo &T) {
+  StreamSubBlockGuard Block(Stream, BI_FIELD_TYPE_BLOCK_ID);
+  emitRecord(T.Type, FIELD_TYPE_REF);
+  emitRecord(T.Name, FIELD_TYPE_NAME);
+}
+
+void ClangDocBitcodeWriter::emitBlock(const MemberTypeInfo &T) {
+  StreamSubBlockGuard Block(Stream, BI_MEMBER_TYPE_BLOCK_ID);
+  emitRecord(T.Type, MEMBER_TYPE_REF);
+  emitRecord(T.Name, MEMBER_TYPE_NAME);
+  emitRecord(T.Access, MEMBER_TYPE_ACCESS);
+}
+
+void ClangDocBitcodeWriter::emitBlock(const CommentInfo &I) {
+  StreamSubBlockGuard Block(Stream, BI_COMMENT_BLOCK_ID);
+  for (const auto &L :
+       std::initializer_list<std::pair<llvm::StringRef, RecordId>>{
+           {I.Kind, COMMENT_KIND},
+           {I.Text, COMMENT_TEXT},
+           {I.Name, COMMENT_NAME},
+           {I.Direction, COMMENT_DIRECTION},
+           {I.ParamName, COMMENT_PARAMNAME},
+           {I.CloseName, COMMENT_CLOSENAME}})
+    emitRecord(L.first, L.second);
+  emitRecord(I.SelfClosing, COMMENT_SELFCLOSING);
+  emitRecord(I.Explicit, COMMENT_EXPLICIT);
+  for (const auto &A : I.AttrKeys)
+    emitRecord(A, COMMENT_ATTRKEY);
+  for (const auto &A : I.AttrValues)
+    emitRecord(A, COMMENT_ATTRVAL);
+  for (const auto &A : I.Args)
+    emitRecord(A, COMMENT_ARG);
+  for (const auto &C : I.Children)
+    emitBlock(*C);
+}
+
+#define EMITINFO(X)                                                            \
+  emitRecord(I.USR, X##_USR);                                                  \
+  emitRecord(I.Name, X##_NAME);                                                \
+  for (const auto &N : I.Namespace)                                            \
+    emitRecord(N, X##_NAMESPACE);                                              \
+  for (const auto &CI : I.Description)                                         \
+    emitBlock(CI);
+
+void ClangDocBitcodeWriter::emitBlock(const NamespaceInfo &I) {
+  StreamSubBlockGuard Block(Stream, BI_NAMESPACE_BLOCK_ID);
+  EMITINFO(NAMESPACE)
+}
+
+void ClangDocBitcodeWriter::emitBlock(const EnumInfo &I) {
+  StreamSubBlockGuard Block(Stream, BI_ENUM_BLOCK_ID);
+  EMITINFO(ENUM)
+  if (I.DefLoc)
+    emitRecord(I.DefLoc.getValue(), ENUM_DEFLOCATION);
+  for (const auto &L : I.Loc)
+    emitRecord(L, ENUM_LOCATION);
+  emitRecord(I.Scoped, ENUM_SCOPED);
+  for (const auto &N : I.Members)
+    emitRecord(N, ENUM_MEMBER);
+}
+
+void ClangDocBitcodeWriter::emitBlock(const RecordInfo &I) {
+  StreamSubBlockGuard Block(Stream, BI_RECORD_BLOCK_ID);
+  EMITINFO(RECORD)
+  if (I.DefLoc)
+    emitRecord(I.DefLoc.getValue(), RECORD_DEFLOCATION);
+  for (const auto &L : I.Loc)
+    emitRecord(L, RECORD_LOCATION);
+  emitRecord(I.TagType, RECORD_TAG_TYPE);
+  for (const auto &N : I.Members)
+    emitBlock(N);
+  for (const auto &P : I.Parents)
+    emitRecord(P, RECORD_PARENT);
+  for (const auto &P : I.VirtualParents)
+    emitRecord(P, RECORD_VPARENT);
+}
+
+void ClangDocBitcodeWriter::emitBlock(const FunctionInfo &I) {
+  StreamSubBlockGuard Block(Stream, BI_FUNCTION_BLOCK_ID);
+  EMITINFO(FUNCTION)
+  emitRecord(I.IsMethod, FUNCTION_IS_METHOD);
+  if (I.DefLoc)
+    emitRecord(I.DefLoc.getValue(), FUNCTION_DEFLOCATION);
+  for (const auto &L : I.Loc)
+    emitRecord(L, FUNCTION_LOCATION);
+  emitRecord(I.Parent, FUNCTION_PARENT);
+  emitBlock(I.ReturnType);
+  for (const auto &N : I.Params)
+    emitBlock(N);
+}
+
+#undef EMITINFO
+
+} // namespace doc
+} // namespace clang

Added: clang-tools-extra/trunk/clang-doc/BitcodeWriter.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/BitcodeWriter.h?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/BitcodeWriter.h (added)
+++ clang-tools-extra/trunk/clang-doc/BitcodeWriter.h Wed Mar 21 14:21:45 2018
@@ -0,0 +1,201 @@
+//===--  BitcodeWriter.h - ClangDoc Bitcode Writer --------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements a writer for serializing the clang-doc internal
+// representation to LLVM bitcode. The writer takes in a stream and emits the
+// generated bitcode to that stream.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_BITCODEWRITER_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_BITCODEWRITER_H
+
+#include "Representation.h"
+#include "clang/AST/AST.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Bitcode/BitstreamWriter.h"
+#include <initializer_list>
+#include <vector>
+
+namespace clang {
+namespace doc {
+
+// Current version number of clang-doc bitcode.
+// Should be bumped when removing or changing BlockIds, RecordIds, or
+// BitCodeConstants, though they can be added without breaking it.
+static const unsigned VersionNumber = 1;
+
+struct BitCodeConstants {
+  static constexpr unsigned RecordSize = 16U;
+  static constexpr unsigned SignatureBitSize = 8U;
+  static constexpr unsigned SubblockIDSize = 4U;
+  static constexpr unsigned BoolSize = 1U;
+  static constexpr unsigned IntSize = 16U;
+  static constexpr unsigned StringLengthSize = 16U;
+  static constexpr unsigned FilenameLengthSize = 16U;
+  static constexpr unsigned LineNumberSize = 16U;
+  static constexpr unsigned ReferenceTypeSize = 8U;
+  static constexpr unsigned USRLengthSize = 6U;
+  static constexpr unsigned USRBitLengthSize = 8U;
+};
+
+// New Ids need to be added to both the enum here and the relevant IdNameMap in
+// the implementation file.
+enum BlockId {
+  BI_VERSION_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID,
+  BI_NAMESPACE_BLOCK_ID,
+  BI_ENUM_BLOCK_ID,
+  BI_TYPE_BLOCK_ID,
+  BI_FIELD_TYPE_BLOCK_ID,
+  BI_MEMBER_TYPE_BLOCK_ID,
+  BI_RECORD_BLOCK_ID,
+  BI_FUNCTION_BLOCK_ID,
+  BI_COMMENT_BLOCK_ID,
+  BI_FIRST = BI_VERSION_BLOCK_ID,
+  BI_LAST = BI_COMMENT_BLOCK_ID
+};
+
+// New Ids need to be added to the enum here, and to the relevant IdNameMap and
+// initialization list in the implementation file.
+#define INFORECORDS(X) X##_USR, X##_NAME, X##_NAMESPACE
+
+enum RecordId {
+  VERSION = 1,
+  INFORECORDS(FUNCTION),
+  FUNCTION_DEFLOCATION,
+  FUNCTION_LOCATION,
+  FUNCTION_PARENT,
+  FUNCTION_ACCESS,
+  FUNCTION_IS_METHOD,
+  COMMENT_KIND,
+  COMMENT_TEXT,
+  COMMENT_NAME,
+  COMMENT_DIRECTION,
+  COMMENT_PARAMNAME,
+  COMMENT_CLOSENAME,
+  COMMENT_SELFCLOSING,
+  COMMENT_EXPLICIT,
+  COMMENT_ATTRKEY,
+  COMMENT_ATTRVAL,
+  COMMENT_ARG,
+  TYPE_REF,
+  FIELD_TYPE_REF,
+  FIELD_TYPE_NAME,
+  MEMBER_TYPE_REF,
+  MEMBER_TYPE_NAME,
+  MEMBER_TYPE_ACCESS,
+  INFORECORDS(NAMESPACE),
+  INFORECORDS(ENUM),
+  ENUM_DEFLOCATION,
+  ENUM_LOCATION,
+  ENUM_MEMBER,
+  ENUM_SCOPED,
+  INFORECORDS(RECORD),
+  RECORD_DEFLOCATION,
+  RECORD_LOCATION,
+  RECORD_TAG_TYPE,
+  RECORD_PARENT,
+  RECORD_VPARENT,
+  RI_FIRST = VERSION,
+  RI_LAST = RECORD_VPARENT
+};
+
+static constexpr unsigned BlockIdCount = BI_LAST - BI_FIRST + 1;
+static constexpr unsigned RecordIdCount = RI_LAST - RI_FIRST + 1;
+
+#undef INFORECORDS
+
+class ClangDocBitcodeWriter {
+public:
+  ClangDocBitcodeWriter(llvm::BitstreamWriter &Stream) : Stream(Stream) {
+    emitHeader();
+    emitBlockInfoBlock();
+    emitVersionBlock();
+  }
+
+#ifndef NDEBUG // Don't want explicit dtor unless needed.
+  ~ClangDocBitcodeWriter() {
+    // Check that the static size is large-enough.
+    assert(Record.capacity() > BitCodeConstants::RecordSize);
+  }
+#endif
+
+  // Block emission of different info types.
+  void emitBlock(const NamespaceInfo &I);
+  void emitBlock(const RecordInfo &I);
+  void emitBlock(const FunctionInfo &I);
+  void emitBlock(const EnumInfo &I);
+  void emitBlock(const TypeInfo &B);
+  void emitBlock(const FieldTypeInfo &B);
+  void emitBlock(const MemberTypeInfo &B);
+  void emitBlock(const CommentInfo &B);
+
+private:
+  class AbbreviationMap {
+    llvm::DenseMap<unsigned, unsigned> Abbrevs;
+
+  public:
+    AbbreviationMap() : Abbrevs(RecordIdCount) {}
+
+    void add(RecordId RID, unsigned AbbrevID);
+    unsigned get(RecordId RID) const;
+  };
+
+  class StreamSubBlockGuard {
+    llvm::BitstreamWriter &Stream;
+
+  public:
+    StreamSubBlockGuard(llvm::BitstreamWriter &Stream_, BlockId ID)
+        : Stream(Stream_) {
+      // NOTE: SubBlockIDSize could theoretically be calculated on the fly,
+      // based on the initialization list of records in each block.
+      Stream.EnterSubblock(ID, BitCodeConstants::SubblockIDSize);
+    }
+
+    StreamSubBlockGuard() = default;
+    StreamSubBlockGuard(const StreamSubBlockGuard &) = delete;
+    StreamSubBlockGuard &operator=(const StreamSubBlockGuard &) = delete;
+
+    ~StreamSubBlockGuard() { Stream.ExitBlock(); }
+  };
+
+  // Emission of validation and overview blocks.
+  void emitHeader();
+  void emitVersionBlock();
+  void emitRecordID(RecordId ID);
+  void emitBlockID(BlockId ID);
+  void emitBlockInfoBlock();
+  void emitBlockInfo(BlockId BID, const std::initializer_list<RecordId> &RIDs);
+
+  // Emission of individual record types.
+  void emitRecord(StringRef Str, RecordId ID);
+  void emitRecord(const SymbolID &Str, RecordId ID);
+  void emitRecord(const Location &Loc, RecordId ID);
+  void emitRecord(const Reference &Ref, RecordId ID);
+  void emitRecord(bool Value, RecordId ID);
+  void emitRecord(int Value, RecordId ID);
+  void emitRecord(unsigned Value, RecordId ID);
+  bool prepRecordData(RecordId ID, bool ShouldEmit = true);
+
+  // Emission of appropriate abbreviation type.
+  void emitAbbrev(RecordId ID, BlockId Block);
+
+  // Static size is the maximum length of the block/record names we're pushing
+  // to this + 1. Longest is currently `MemberTypeBlock` at 15 chars.
+  SmallVector<uint32_t, BitCodeConstants::RecordSize> Record;
+  llvm::BitstreamWriter &Stream;
+  AbbreviationMap Abbrevs;
+};
+
+} // namespace doc
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_BITCODEWRITER_H

Added: clang-tools-extra/trunk/clang-doc/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/CMakeLists.txt?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/CMakeLists.txt (added)
+++ clang-tools-extra/trunk/clang-doc/CMakeLists.txt Wed Mar 21 14:21:45 2018
@@ -0,0 +1,23 @@
+set(LLVM_LINK_COMPONENTS
+  support
+  )
+
+add_clang_library(clangDoc
+  BitcodeWriter.cpp
+  ClangDoc.cpp
+  Mapper.cpp
+  Serialize.cpp
+
+  LINK_LIBS
+  clangAnalysis
+  clangAST
+  clangASTMatchers
+  clangBasic
+  clangFrontend
+  clangIndex
+  clangLex
+  clangTooling
+  clangToolingCore
+  )
+
+add_subdirectory(tool)

Added: clang-tools-extra/trunk/clang-doc/ClangDoc.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/ClangDoc.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/ClangDoc.cpp (added)
+++ clang-tools-extra/trunk/clang-doc/ClangDoc.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,61 @@
+//===-- ClangDoc.cpp - ClangDoc ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the main entry point for the clang-doc tool. It runs
+// the clang-doc mapper on a given set of source code files using a
+// FrontendActionFactory.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangDoc.h"
+#include "Mapper.h"
+#include "clang/AST/AST.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/Frontend/ASTConsumers.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendActions.h"
+
+namespace clang {
+namespace doc {
+
+class MapperActionFactory : public tooling::FrontendActionFactory {
+public:
+  MapperActionFactory(tooling::ExecutionContext *ECtx) : ECtx(ECtx) {}
+  clang::FrontendAction *create() override;
+
+private:
+  tooling::ExecutionContext *ECtx;
+};
+
+clang::FrontendAction *MapperActionFactory::create() {
+  class ClangDocAction : public clang::ASTFrontendAction {
+  public:
+    ClangDocAction(ExecutionContext *ECtx) : ECtx(ECtx) {}
+
+    std::unique_ptr<clang::ASTConsumer>
+    CreateASTConsumer(clang::CompilerInstance &Compiler,
+                      llvm::StringRef InFile) override {
+      return llvm::make_unique<MapASTVisitor>(&Compiler.getASTContext(), ECtx);
+    }
+
+  private:
+    ExecutionContext *ECtx;
+  };
+  return new ClangDocAction(ECtx);
+}
+
+std::unique_ptr<tooling::FrontendActionFactory>
+newMapperActionFactory(tooling::ExecutionContext *ECtx) {
+  return llvm::make_unique<MapperActionFactory>(ECtx);
+}
+
+} // namespace doc
+} // namespace clang

Added: clang-tools-extra/trunk/clang-doc/ClangDoc.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/ClangDoc.h?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/ClangDoc.h (added)
+++ clang-tools-extra/trunk/clang-doc/ClangDoc.h Wed Mar 21 14:21:45 2018
@@ -0,0 +1,33 @@
+//===-- ClangDoc.h - ClangDoc -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file exposes a method to craete the FrontendActionFactory for the
+// clang-doc tool. The factory runs the clang-doc mapper on a given set of
+// source code files, storing the results key-value pairs in its
+// ExecutionContext.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_CLANGDOC_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_CLANGDOC_H
+
+#include "clang/Tooling/Execution.h"
+#include "clang/Tooling/StandaloneExecution.h"
+#include "clang/Tooling/Tooling.h"
+
+namespace clang {
+namespace doc {
+
+std::unique_ptr<tooling::FrontendActionFactory>
+newMapperActionFactory(tooling::ExecutionContext *ECtx);
+
+} // namespace doc
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_CLANGDOC_H

Added: clang-tools-extra/trunk/clang-doc/Mapper.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/Mapper.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/Mapper.cpp (added)
+++ clang-tools-extra/trunk/clang-doc/Mapper.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,86 @@
+//===-- Mapper.cpp - ClangDoc Mapper ----------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Mapper.h"
+#include "BitcodeWriter.h"
+#include "Serialize.h"
+#include "clang/AST/Comment.h"
+#include "clang/Index/USRGeneration.h"
+#include "llvm/ADT/StringExtras.h"
+
+using clang::comments::FullComment;
+
+namespace clang {
+namespace doc {
+
+void MapASTVisitor::HandleTranslationUnit(ASTContext &Context) {
+  TraverseDecl(Context.getTranslationUnitDecl());
+}
+
+template <typename T> bool MapASTVisitor::mapDecl(const T *D) {
+  // If we're looking a decl not in user files, skip this decl.
+  if (D->getASTContext().getSourceManager().isInSystemHeader(D->getLocation()))
+    return true;
+
+  llvm::SmallString<128> USR;
+  // If there is an error generating a USR for the decl, skip this decl.
+  if (index::generateUSRForDecl(D, USR))
+    return true;
+
+  ECtx->reportResult(llvm::toHex(llvm::toStringRef(serialize::hashUSR(USR))),
+                     serialize::emitInfo(D, getComment(D, D->getASTContext()),
+                                         getLine(D, D->getASTContext()),
+                                         getFile(D, D->getASTContext())));
+  return true;
+}
+
+bool MapASTVisitor::VisitNamespaceDecl(const NamespaceDecl *D) {
+  return mapDecl(D);
+}
+
+bool MapASTVisitor::VisitRecordDecl(const RecordDecl *D) { return mapDecl(D); }
+
+bool MapASTVisitor::VisitEnumDecl(const EnumDecl *D) { return mapDecl(D); }
+
+bool MapASTVisitor::VisitCXXMethodDecl(const CXXMethodDecl *D) {
+  return mapDecl(D);
+}
+
+bool MapASTVisitor::VisitFunctionDecl(const FunctionDecl *D) {
+  // Don't visit CXXMethodDecls twice
+  if (dyn_cast<CXXMethodDecl>(D))
+    return true;
+  return mapDecl(D);
+}
+
+comments::FullComment *
+MapASTVisitor::getComment(const NamedDecl *D, const ASTContext &Context) const {
+  RawComment *Comment = Context.getRawCommentForDeclNoCache(D);
+  // FIXME: Move setAttached to the initial comment parsing.
+  if (Comment) {
+    Comment->setAttached();
+    return Comment->parse(Context, nullptr, D);
+  }
+  return nullptr;
+}
+
+int MapASTVisitor::getLine(const NamedDecl *D,
+                           const ASTContext &Context) const {
+  return Context.getSourceManager().getPresumedLoc(D->getLocStart()).getLine();
+}
+
+llvm::StringRef MapASTVisitor::getFile(const NamedDecl *D,
+                                       const ASTContext &Context) const {
+  return Context.getSourceManager()
+      .getPresumedLoc(D->getLocStart())
+      .getFilename();
+}
+
+} // namespace doc
+} // namespace clang

Added: clang-tools-extra/trunk/clang-doc/Mapper.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/Mapper.h?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/Mapper.h (added)
+++ clang-tools-extra/trunk/clang-doc/Mapper.h Wed Mar 21 14:21:45 2018
@@ -0,0 +1,57 @@
+//===-- Mapper.h - ClangDoc Mapper ------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Mapper piece of the clang-doc tool. It implements
+// a RecursiveASTVisitor to look at each declaration and populate the info
+// into the internal representation. Each seen declaration is serialized to
+// to bitcode and written out to the ExecutionContext as a KV pair where the
+// key is the declaration's USR and the value is the serialized bitcode.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_MAPPER_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_MAPPER_H
+
+#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/Tooling/Execution.h"
+
+using namespace clang::comments;
+using namespace clang::tooling;
+
+namespace clang {
+namespace doc {
+
+class MapASTVisitor : public clang::RecursiveASTVisitor<MapASTVisitor>,
+                      public ASTConsumer {
+public:
+  explicit MapASTVisitor(ASTContext *Ctx, ExecutionContext *ECtx)
+      : ECtx(ECtx) {}
+
+  void HandleTranslationUnit(ASTContext &Context) override;
+  bool VisitNamespaceDecl(const NamespaceDecl *D);
+  bool VisitRecordDecl(const RecordDecl *D);
+  bool VisitEnumDecl(const EnumDecl *D);
+  bool VisitCXXMethodDecl(const CXXMethodDecl *D);
+  bool VisitFunctionDecl(const FunctionDecl *D);
+
+private:
+  template <typename T> bool mapDecl(const T *D);
+
+  int getLine(const NamedDecl *D, const ASTContext &Context) const;
+  StringRef getFile(const NamedDecl *D, const ASTContext &Context) const;
+  comments::FullComment *getComment(const NamedDecl *D,
+                                    const ASTContext &Context) const;
+
+  ExecutionContext *ECtx;
+};
+
+} // namespace doc
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_MAPPER_H

Added: clang-tools-extra/trunk/clang-doc/Representation.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/Representation.h?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/Representation.h (added)
+++ clang-tools-extra/trunk/clang-doc/Representation.h Wed Mar 21 14:21:45 2018
@@ -0,0 +1,184 @@
+///===-- Representation.h - ClangDoc Represenation --------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the internal representations of different declaration
+// types for the clang-doc tool.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H
+
+#include "clang/AST/Type.h"
+#include "clang/Basic/Specifiers.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include <array>
+#include <string>
+
+namespace clang {
+namespace doc {
+
+using SymbolID = std::array<uint8_t, 20>;
+
+struct Info;
+enum class InfoType {
+  IT_namespace,
+  IT_record,
+  IT_function,
+  IT_enum,
+  IT_default
+};
+
+// A representation of a parsed comment.
+struct CommentInfo {
+  CommentInfo() = default;
+  CommentInfo(CommentInfo &&Other) : Children(std::move(Other.Children)) {}
+
+  SmallString<16>
+      Kind; // Kind of comment (TextComment, InlineCommandComment,
+            // HTMLStartTagComment, HTMLEndTagComment, BlockCommandComment,
+            // ParamCommandComment, TParamCommandComment, VerbatimBlockComment,
+            // VerbatimBlockLineComment, VerbatimLineComment).
+  SmallString<64> Text;      // Text of the comment.
+  SmallString<16> Name;      // Name of the comment (for Verbatim and HTML).
+  SmallString<8> Direction;  // Parameter direction (for (T)ParamCommand).
+  SmallString<16> ParamName; // Parameter name (for (T)ParamCommand).
+  SmallString<16> CloseName; // Closing tag name (for VerbatimBlock).
+  bool SelfClosing = false;  // Indicates if tag is self-closing (for HTML).
+  bool Explicit = false; // Indicates if the direction of a param is explicit
+                         // (for (T)ParamCommand).
+  llvm::SmallVector<SmallString<16>, 4>
+      AttrKeys; // List of attribute keys (for HTML).
+  llvm::SmallVector<SmallString<16>, 4>
+      AttrValues; // List of attribute values for each key (for HTML).
+  llvm::SmallVector<SmallString<16>, 4>
+      Args; // List of arguments to commands (for InlineCommand).
+  std::vector<std::unique_ptr<CommentInfo>>
+      Children; // List of child comments for this CommentInfo.
+};
+
+struct Reference {
+  Reference() = default;
+  Reference(llvm::StringRef Name) : UnresolvedName(Name) {}
+  Reference(SymbolID USR, InfoType IT) : USR(USR), RefType(IT) {}
+
+  SymbolID USR;                   // Unique identifer for referenced decl
+  SmallString<16> UnresolvedName; // Name of unresolved type.
+  InfoType RefType =
+      InfoType::IT_default; // Indicates the type of this Reference (namespace,
+                            // record, function, enum, default).
+};
+
+// A base struct for TypeInfos
+struct TypeInfo {
+  TypeInfo() = default;
+  TypeInfo(SymbolID &Type, InfoType IT) : Type(Type, IT) {}
+  TypeInfo(llvm::StringRef RefName) : Type(RefName) {}
+
+  Reference Type; // Referenced type in this info.
+};
+
+// Info for field types.
+struct FieldTypeInfo : public TypeInfo {
+  FieldTypeInfo() = default;
+  FieldTypeInfo(SymbolID &Type, InfoType IT, llvm::StringRef Name)
+      : TypeInfo(Type, IT), Name(Name) {}
+  FieldTypeInfo(llvm::StringRef RefName, llvm::StringRef Name)
+      : TypeInfo(RefName), Name(Name) {}
+
+  SmallString<16> Name; // Name associated with this info.
+};
+
+// Info for member types.
+struct MemberTypeInfo : public FieldTypeInfo {
+  MemberTypeInfo() = default;
+  MemberTypeInfo(SymbolID &Type, InfoType IT, llvm::StringRef Name)
+      : FieldTypeInfo(Type, IT, Name) {}
+  MemberTypeInfo(llvm::StringRef RefName, llvm::StringRef Name)
+      : FieldTypeInfo(RefName, Name) {}
+
+  AccessSpecifier Access =
+      clang::AccessSpecifier::AS_none; // Access level associated with this
+                                       // info (public, protected, private,
+                                       // none).
+};
+
+struct Location {
+  Location() = default;
+  Location(int LineNumber, SmallString<16> Filename)
+      : LineNumber(LineNumber), Filename(std::move(Filename)) {}
+
+  int LineNumber;           // Line number of this Location.
+  SmallString<32> Filename; // File for this Location.
+};
+
+/// A base struct for Infos.
+struct Info {
+  Info() = default;
+  Info(Info &&Other) : Description(std::move(Other.Description)) {}
+  virtual ~Info() = default;
+
+  SymbolID USR; // Unique identifier for the decl described by this Info.
+  SmallString<16> Name; // Unqualified name of the decl.
+  llvm::SmallVector<Reference, 4>
+      Namespace; // List of parent namespaces for this decl.
+  std::vector<CommentInfo> Description; // Comment description of this decl.
+};
+
+// Info for namespaces.
+struct NamespaceInfo : public Info {};
+
+// Info for symbols.
+struct SymbolInfo : public Info {
+  llvm::Optional<Location> DefLoc;    // Location where this decl is defined.
+  llvm::SmallVector<Location, 2> Loc; // Locations where this decl is declared.
+};
+
+// TODO: Expand to allow for documenting templating and default args.
+// Info for functions.
+struct FunctionInfo : public SymbolInfo {
+  bool IsMethod = false; // Indicates whether this function is a class method.
+  Reference Parent;      // Reference to the parent class decl for this method.
+  TypeInfo ReturnType;   // Info about the return type of this function.
+  llvm::SmallVector<FieldTypeInfo, 4> Params; // List of parameters.
+  AccessSpecifier Access =
+      AccessSpecifier::AS_none; // Access level for this method (public,
+                                // private, protected, none).
+};
+
+// TODO: Expand to allow for documenting templating, inheritance access,
+// friend classes
+// Info for types.
+struct RecordInfo : public SymbolInfo {
+  TagTypeKind TagType = TagTypeKind::TTK_Struct; // Type of this record (struct,
+                                                 // class, union, interface).
+  llvm::SmallVector<MemberTypeInfo, 4>
+      Members;                             // List of info about record members.
+  llvm::SmallVector<Reference, 4> Parents; // List of base/parent records (does
+                                           // not include virtual parents).
+  llvm::SmallVector<Reference, 4>
+      VirtualParents; // List of virtual base/parent records.
+};
+
+// TODO: Expand to allow for documenting templating.
+// Info for types.
+struct EnumInfo : public SymbolInfo {
+  bool Scoped =
+      false; // Indicates whether this enum is scoped (e.g. enum class).
+  llvm::SmallVector<SmallString<16>, 4> Members; // List of enum members.
+};
+
+// TODO: Add functionality to include separate markdown pages.
+
+} // namespace doc
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_REPRESENTATION_H

Added: clang-tools-extra/trunk/clang-doc/Serialize.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/Serialize.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/Serialize.cpp (added)
+++ clang-tools-extra/trunk/clang-doc/Serialize.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,336 @@
+//===-- Serializer.cpp - ClangDoc Serializer --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Serialize.h"
+#include "BitcodeWriter.h"
+#include "clang/AST/Comment.h"
+#include "clang/Index/USRGeneration.h"
+#include "llvm/ADT/Hashing.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/SHA1.h"
+
+using clang::comments::FullComment;
+
+namespace clang {
+namespace doc {
+namespace serialize {
+
+SymbolID hashUSR(llvm::StringRef USR) {
+  return llvm::SHA1::hash(arrayRefFromStringRef(USR));
+}
+
+class ClangDocCommentVisitor
+    : public ConstCommentVisitor<ClangDocCommentVisitor> {
+public:
+  ClangDocCommentVisitor(CommentInfo &CI) : CurrentCI(CI) {}
+
+  void parseComment(const comments::Comment *C);
+
+  void visitTextComment(const TextComment *C);
+  void visitInlineCommandComment(const InlineCommandComment *C);
+  void visitHTMLStartTagComment(const HTMLStartTagComment *C);
+  void visitHTMLEndTagComment(const HTMLEndTagComment *C);
+  void visitBlockCommandComment(const BlockCommandComment *C);
+  void visitParamCommandComment(const ParamCommandComment *C);
+  void visitTParamCommandComment(const TParamCommandComment *C);
+  void visitVerbatimBlockComment(const VerbatimBlockComment *C);
+  void visitVerbatimBlockLineComment(const VerbatimBlockLineComment *C);
+  void visitVerbatimLineComment(const VerbatimLineComment *C);
+
+private:
+  std::string getCommandName(unsigned CommandID) const;
+  bool isWhitespaceOnly(StringRef S) const;
+
+  CommentInfo &CurrentCI;
+};
+
+void ClangDocCommentVisitor::parseComment(const comments::Comment *C) {
+  CurrentCI.Kind = C->getCommentKindName();
+  ConstCommentVisitor<ClangDocCommentVisitor>::visit(C);
+  for (comments::Comment *Child :
+       llvm::make_range(C->child_begin(), C->child_end())) {
+    CurrentCI.Children.emplace_back(llvm::make_unique<CommentInfo>());
+    ClangDocCommentVisitor Visitor(*CurrentCI.Children.back());
+    Visitor.parseComment(Child);
+  }
+}
+
+void ClangDocCommentVisitor::visitTextComment(const TextComment *C) {
+  if (!isWhitespaceOnly(C->getText()))
+    CurrentCI.Text = C->getText();
+}
+
+void ClangDocCommentVisitor::visitInlineCommandComment(
+    const InlineCommandComment *C) {
+  CurrentCI.Name = getCommandName(C->getCommandID());
+  for (unsigned I = 0, E = C->getNumArgs(); I != E; ++I)
+    CurrentCI.Args.push_back(C->getArgText(I));
+}
+
+void ClangDocCommentVisitor::visitHTMLStartTagComment(
+    const HTMLStartTagComment *C) {
+  CurrentCI.Name = C->getTagName();
+  CurrentCI.SelfClosing = C->isSelfClosing();
+  for (unsigned I = 0, E = C->getNumAttrs(); I < E; ++I) {
+    const HTMLStartTagComment::Attribute &Attr = C->getAttr(I);
+    CurrentCI.AttrKeys.push_back(Attr.Name);
+    CurrentCI.AttrValues.push_back(Attr.Value);
+  }
+}
+
+void ClangDocCommentVisitor::visitHTMLEndTagComment(
+    const HTMLEndTagComment *C) {
+  CurrentCI.Name = C->getTagName();
+  CurrentCI.SelfClosing = true;
+}
+
+void ClangDocCommentVisitor::visitBlockCommandComment(
+    const BlockCommandComment *C) {
+  CurrentCI.Name = getCommandName(C->getCommandID());
+  for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
+    CurrentCI.Args.push_back(C->getArgText(I));
+}
+
+void ClangDocCommentVisitor::visitParamCommandComment(
+    const ParamCommandComment *C) {
+  CurrentCI.Direction =
+      ParamCommandComment::getDirectionAsString(C->getDirection());
+  CurrentCI.Explicit = C->isDirectionExplicit();
+  if (C->hasParamName())
+    CurrentCI.ParamName = C->getParamNameAsWritten();
+}
+
+void ClangDocCommentVisitor::visitTParamCommandComment(
+    const TParamCommandComment *C) {
+  if (C->hasParamName())
+    CurrentCI.ParamName = C->getParamNameAsWritten();
+}
+
+void ClangDocCommentVisitor::visitVerbatimBlockComment(
+    const VerbatimBlockComment *C) {
+  CurrentCI.Name = getCommandName(C->getCommandID());
+  CurrentCI.CloseName = C->getCloseName();
+}
+
+void ClangDocCommentVisitor::visitVerbatimBlockLineComment(
+    const VerbatimBlockLineComment *C) {
+  if (!isWhitespaceOnly(C->getText()))
+    CurrentCI.Text = C->getText();
+}
+
+void ClangDocCommentVisitor::visitVerbatimLineComment(
+    const VerbatimLineComment *C) {
+  if (!isWhitespaceOnly(C->getText()))
+    CurrentCI.Text = C->getText();
+}
+
+bool ClangDocCommentVisitor::isWhitespaceOnly(llvm::StringRef S) const {
+  return std::all_of(S.begin(), S.end(), isspace);
+}
+
+std::string ClangDocCommentVisitor::getCommandName(unsigned CommandID) const {
+  const CommandInfo *Info = CommandTraits::getBuiltinCommandInfo(CommandID);
+  if (Info)
+    return Info->Name;
+  // TODO: Add parsing for \file command.
+  return "<not a builtin command>";
+}
+
+// Serializing functions.
+
+template <typename T> static std::string serialize(T &I) {
+  SmallString<2048> Buffer;
+  llvm::BitstreamWriter Stream(Buffer);
+  ClangDocBitcodeWriter Writer(Stream);
+  Writer.emitBlock(I);
+  return Buffer.str().str();
+}
+
+static void parseFullComment(const FullComment *C, CommentInfo &CI) {
+  ClangDocCommentVisitor Visitor(CI);
+  Visitor.parseComment(C);
+}
+
+static SymbolID getUSRForDecl(const Decl *D) {
+  llvm::SmallString<128> USR;
+  if (index::generateUSRForDecl(D, USR))
+    return SymbolID();
+  return hashUSR(USR);
+}
+
+static RecordDecl *getDeclForType(const QualType &T) {
+  auto *Ty = T->getAs<RecordType>();
+  if (!Ty)
+    return nullptr;
+  return Ty->getDecl()->getDefinition();
+}
+
+static void parseFields(RecordInfo &I, const RecordDecl *D) {
+  for (const FieldDecl *F : D->fields()) {
+    // FIXME: Set Access to the appropriate value.
+    SymbolID Type;
+    std::string Name;
+    InfoType RefType;
+    if (const auto *T = getDeclForType(F->getTypeSourceInfo()->getType())) {
+      Type = getUSRForDecl(T);
+      if (dyn_cast<EnumDecl>(T))
+        RefType = InfoType::IT_enum;
+      else if (dyn_cast<RecordDecl>(T))
+        RefType = InfoType::IT_record;
+      I.Members.emplace_back(Type, RefType, F->getQualifiedNameAsString());
+    } else {
+      Name = F->getTypeSourceInfo()->getType().getAsString();
+      I.Members.emplace_back(Name, F->getQualifiedNameAsString());
+    }
+  }
+}
+
+static void parseEnumerators(EnumInfo &I, const EnumDecl *D) {
+  for (const EnumConstantDecl *E : D->enumerators())
+    I.Members.emplace_back(E->getNameAsString());
+}
+
+static void parseParameters(FunctionInfo &I, const FunctionDecl *D) {
+  for (const ParmVarDecl *P : D->parameters()) {
+    SymbolID Type;
+    std::string Name;
+    InfoType RefType;
+    if (const auto *T = getDeclForType(P->getOriginalType())) {
+      Type = getUSRForDecl(T);
+      if (dyn_cast<EnumDecl>(T))
+        RefType = InfoType::IT_enum;
+      else if (dyn_cast<RecordDecl>(T))
+        RefType = InfoType::IT_record;
+      I.Params.emplace_back(Type, RefType, P->getQualifiedNameAsString());
+    } else {
+      Name = P->getOriginalType().getAsString();
+      I.Params.emplace_back(Name, P->getQualifiedNameAsString());
+    }
+  }
+}
+
+static void parseBases(RecordInfo &I, const CXXRecordDecl *D) {
+  for (const CXXBaseSpecifier &B : D->bases()) {
+    if (B.isVirtual())
+      continue;
+    if (const auto *P = getDeclForType(B.getType()))
+      I.Parents.emplace_back(getUSRForDecl(P), InfoType::IT_record);
+    else
+      I.Parents.emplace_back(B.getType().getAsString());
+  }
+  for (const CXXBaseSpecifier &B : D->vbases()) {
+    if (const auto *P = getDeclForType(B.getType()))
+      I.VirtualParents.emplace_back(getUSRForDecl(P), InfoType::IT_record);
+    else
+      I.VirtualParents.emplace_back(B.getType().getAsString());
+  }
+}
+
+template <typename T>
+static void
+populateParentNamespaces(llvm::SmallVector<Reference, 4> &Namespaces,
+                         const T *D) {
+  const auto *DC = dyn_cast<DeclContext>(D);
+  while ((DC = DC->getParent())) {
+    if (const auto *N = dyn_cast<NamespaceDecl>(DC))
+      Namespaces.emplace_back(getUSRForDecl(N), InfoType::IT_namespace);
+    else if (const auto *N = dyn_cast<RecordDecl>(DC))
+      Namespaces.emplace_back(getUSRForDecl(N), InfoType::IT_record);
+    else if (const auto *N = dyn_cast<FunctionDecl>(DC))
+      Namespaces.emplace_back(getUSRForDecl(N), InfoType::IT_function);
+    else if (const auto *N = dyn_cast<EnumDecl>(DC))
+      Namespaces.emplace_back(getUSRForDecl(N), InfoType::IT_enum);
+  }
+}
+
+template <typename T>
+static void populateInfo(Info &I, const T *D, const FullComment *C) {
+  I.USR = getUSRForDecl(D);
+  I.Name = D->getNameAsString();
+  populateParentNamespaces(I.Namespace, D);
+  if (C) {
+    I.Description.emplace_back();
+    parseFullComment(C, I.Description.back());
+  }
+}
+
+template <typename T>
+static void populateSymbolInfo(SymbolInfo &I, const T *D, const FullComment *C,
+                               int LineNumber, StringRef Filename) {
+  populateInfo(I, D, C);
+  if (D->isThisDeclarationADefinition())
+    I.DefLoc.emplace(LineNumber, Filename);
+  else
+    I.Loc.emplace_back(LineNumber, Filename);
+}
+
+static void populateFunctionInfo(FunctionInfo &I, const FunctionDecl *D,
+                                 const FullComment *FC, int LineNumber,
+                                 StringRef Filename) {
+  populateSymbolInfo(I, D, FC, LineNumber, Filename);
+  if (const auto *T = getDeclForType(D->getReturnType())) {
+    I.ReturnType.Type.USR = getUSRForDecl(T);
+    if (dyn_cast<EnumDecl>(T))
+      I.ReturnType.Type.RefType = InfoType::IT_enum;
+    else if (dyn_cast<RecordDecl>(T))
+      I.ReturnType.Type.RefType = InfoType::IT_record;
+  } else {
+    I.ReturnType.Type.UnresolvedName = D->getReturnType().getAsString();
+  }
+  parseParameters(I, D);
+}
+
+std::string emitInfo(const NamespaceDecl *D, const FullComment *FC,
+                     int LineNumber, llvm::StringRef File) {
+  NamespaceInfo I;
+  populateInfo(I, D, FC);
+  return serialize(I);
+}
+
+std::string emitInfo(const RecordDecl *D, const FullComment *FC, int LineNumber,
+                     llvm::StringRef File) {
+  RecordInfo I;
+  populateSymbolInfo(I, D, FC, LineNumber, File);
+  I.TagType = D->getTagKind();
+  parseFields(I, D);
+  if (const auto *C = dyn_cast<CXXRecordDecl>(D))
+    parseBases(I, C);
+  return serialize(I);
+}
+
+std::string emitInfo(const FunctionDecl *D, const FullComment *FC,
+                     int LineNumber, llvm::StringRef File) {
+  FunctionInfo I;
+  populateFunctionInfo(I, D, FC, LineNumber, File);
+  I.Access = clang::AccessSpecifier::AS_none;
+  return serialize(I);
+}
+
+std::string emitInfo(const CXXMethodDecl *D, const FullComment *FC,
+                     int LineNumber, llvm::StringRef File) {
+  FunctionInfo I;
+  populateFunctionInfo(I, D, FC, LineNumber, File);
+  I.IsMethod = true;
+  I.Parent = Reference(getUSRForDecl(D->getParent()), InfoType::IT_record);
+  I.Access = D->getAccess();
+  return serialize(I);
+}
+
+std::string emitInfo(const EnumDecl *D, const FullComment *FC, int LineNumber,
+                     llvm::StringRef File) {
+  EnumInfo I;
+  populateSymbolInfo(I, D, FC, LineNumber, File);
+  I.Scoped = D->isScoped();
+  parseEnumerators(I, D);
+  return serialize(I);
+}
+
+} // namespace serialize
+} // namespace doc
+} // namespace clang

Added: clang-tools-extra/trunk/clang-doc/Serialize.h
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/Serialize.h?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/Serialize.h (added)
+++ clang-tools-extra/trunk/clang-doc/Serialize.h Wed Mar 21 14:21:45 2018
@@ -0,0 +1,53 @@
+//===-- Serializer.h - ClangDoc Serializer ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the serializing functions fro the clang-doc tool. Given
+// a particular declaration, it collects the appropriate information and returns
+// a serialized bitcode string for the declaration.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_SERIALIZE_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_SERIALIZE_H
+
+#include "Representation.h"
+#include "clang/AST/AST.h"
+#include "clang/AST/CommentVisitor.h"
+#include <string>
+#include <vector>
+
+using namespace clang::comments;
+
+namespace clang {
+namespace doc {
+namespace serialize {
+
+std::string emitInfo(const NamespaceDecl *D, const FullComment *FC,
+                     int LineNumber, StringRef File);
+std::string emitInfo(const RecordDecl *D, const FullComment *FC, int LineNumber,
+                     StringRef File);
+std::string emitInfo(const EnumDecl *D, const FullComment *FC, int LineNumber,
+                     StringRef File);
+std::string emitInfo(const FunctionDecl *D, const FullComment *FC,
+                     int LineNumber, StringRef File);
+std::string emitInfo(const CXXMethodDecl *D, const FullComment *FC,
+                     int LineNumber, StringRef File);
+
+// Function to hash a given USR value for storage.
+// As USRs (Unified Symbol Resolution) could be large, especially for functions
+// with long type arguments, we use 160-bits SHA1(USR) values to
+// guarantee the uniqueness of symbols while using a relatively small amount of
+// memory (vs storing USRs directly).
+SymbolID hashUSR(llvm::StringRef USR);
+
+} // namespace serialize
+} // namespace doc
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_DOC_SERIALIZE_H

Added: clang-tools-extra/trunk/clang-doc/tool/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/tool/CMakeLists.txt?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/tool/CMakeLists.txt (added)
+++ clang-tools-extra/trunk/clang-doc/tool/CMakeLists.txt Wed Mar 21 14:21:45 2018
@@ -0,0 +1,17 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+add_clang_executable(clang-doc
+  ClangDocMain.cpp
+  )
+
+target_link_libraries(clang-doc
+  PRIVATE
+  clangAST
+  clangASTMatchers
+  clangBasic
+  clangFrontend
+  clangDoc
+  clangTooling
+  clangToolingCore
+  )
+  
\ No newline at end of file

Added: clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp (added)
+++ clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,114 @@
+//===-- ClangDocMain.cpp - ClangDoc -----------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tool for generating C and C++ documenation from source code
+// and comments. Generally, it runs a LibTooling FrontendAction on source files,
+// mapping each declaration in those files to its USR and serializing relevant
+// information into LLVM bitcode. It then runs a pass over the collected
+// declaration information, reducing by USR. There is an option to dump this
+// intermediate result to bitcode. Finally, it hands the reduced information
+// off to a generator, which does the final parsing from the intermediate
+// representation to the desired output format.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ClangDoc.h"
+#include "clang/AST/AST.h"
+#include "clang/AST/Decl.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchersInternal.h"
+#include "clang/Driver/Options.h"
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/Tooling/CommonOptionsParser.h"
+#include "clang/Tooling/Execution.h"
+#include "clang/Tooling/StandaloneExecution.h"
+#include "clang/Tooling/Tooling.h"
+#include "llvm/ADT/APFloat.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Process.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/raw_ostream.h"
+#include <string>
+
+using namespace clang::ast_matchers;
+using namespace clang::tooling;
+using namespace clang;
+
+static llvm::cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage);
+static llvm::cl::OptionCategory ClangDocCategory("clang-doc options");
+
+static llvm::cl::opt<std::string>
+    OutDirectory("output",
+                 llvm::cl::desc("Directory for outputting generated files."),
+                 llvm::cl::init("docs"), llvm::cl::cat(ClangDocCategory));
+
+static llvm::cl::opt<bool>
+    DumpMapperResult("dump-mapper",
+                     llvm::cl::desc("Dump mapper results to bitcode file."),
+                     llvm::cl::init(false), llvm::cl::cat(ClangDocCategory));
+
+static llvm::cl::opt<bool> DoxygenOnly(
+    "doxygen",
+    llvm::cl::desc("Use only doxygen-style comments to generate docs."),
+    llvm::cl::init(false), llvm::cl::cat(ClangDocCategory));
+
+int main(int argc, const char **argv) {
+  llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
+  std::error_code OK;
+
+  auto Exec = clang::tooling::createExecutorFromCommandLineArgs(
+      argc, argv, ClangDocCategory);
+
+  if (!Exec) {
+    llvm::errs() << toString(Exec.takeError()) << "\n";
+    return 1;
+  }
+
+  ArgumentsAdjuster ArgAdjuster;
+  if (!DoxygenOnly)
+    ArgAdjuster = combineAdjusters(
+        getInsertArgumentAdjuster("-fparse-all-comments",
+                                  tooling::ArgumentInsertPosition::END),
+        ArgAdjuster);
+
+  // Mapping phase
+  llvm::outs() << "Mapping decls...\n";
+  auto Err = Exec->get()->execute(doc::newMapperActionFactory(
+                                      Exec->get()->getExecutionContext()),
+                                  ArgAdjuster);
+  if (Err)
+    llvm::errs() << toString(std::move(Err)) << "\n";
+
+  if (DumpMapperResult) {
+    Exec->get()->getToolResults()->forEachResult([&](StringRef Key,
+                                                     StringRef Value) {
+      SmallString<128> IRRootPath;
+      llvm::sys::path::native(OutDirectory, IRRootPath);
+      llvm::sys::path::append(IRRootPath, "bc");
+      std::error_code DirectoryStatus =
+          llvm::sys::fs::create_directories(IRRootPath);
+      if (DirectoryStatus != OK) {
+        llvm::errs() << "Unable to create documentation directories.\n";
+        return;
+      }
+      llvm::sys::path::append(IRRootPath, Key + ".bc");
+      std::error_code OutErrorInfo;
+      llvm::raw_fd_ostream OS(IRRootPath, OutErrorInfo, llvm::sys::fs::F_None);
+      if (OutErrorInfo != OK) {
+        llvm::errs() << "Error opening documentation file.\n";
+        return;
+      }
+      OS << Value;
+      OS.close();
+    });
+  }
+
+  return 0;
+}

Modified: clang-tools-extra/trunk/test/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/CMakeLists.txt?rev=328150&r1=328149&r2=328150&view=diff
==============================================================================
--- clang-tools-extra/trunk/test/CMakeLists.txt (original)
+++ clang-tools-extra/trunk/test/CMakeLists.txt Wed Mar 21 14:21:45 2018
@@ -37,10 +37,14 @@ set(CLANG_TOOLS_TEST_DEPS
   # For the clang-apply-replacements test that uses clang-rename.
   clang-rename
 
+  # For the clang-doc tests that emit bitcode files.
+  llvm-bcanalyzer
+
   # Individual tools we test.
   clang-apply-replacements
   clang-change-namespace
   clangd
+  clang-doc
   clang-include-fixer
   clang-move
   clang-query

Added: clang-tools-extra/trunk/test/clang-doc/mapper-class-in-class.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-class-in-class.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-class-in-class.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-class-in-class.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,35 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/641AB4A3D36399954ACDE29C7A8833032BF40472.bc --dump | FileCheck %s --check-prefix CHECK-X-Y
+// RUN: llvm-bcanalyzer %t/docs/bc/CA7C7935730B5EACD25F080E9C83FA087CCDC75E.bc --dump | FileCheck %s --check-prefix CHECK-X
+
+class X {
+  class Y {};
+};
+
+// CHECK-X: <BLOCKINFO_BLOCK/>
+// CHECK-X-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-X-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-X-NEXT: </VersionBlock>
+// CHECK-X-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-X-NEXT: <USR abbrevid=4 op0=20 op1=202 op2=124 op3=121 op4=53 op5=115 op6=11 op7=94 op8=172 op9=210 op10=95 op11=8 op12=14 op13=156 op14=131 op15=250 op16=8 op17=124 op18=205 op19=199 op20=94/>
+  // CHECK-X-NEXT: <Name abbrevid=5 op0=1/> blob data = 'X'
+  // CHECK-X-NEXT: <DefLocation abbrevid=7 op0=9 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-X-NEXT: <TagType abbrevid=9 op0=3/>
+// CHECK-X-NEXT: </RecordBlock>
+
+
+// CHECK-X-Y: <BLOCKINFO_BLOCK/>
+// CHECK-X-Y-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-X-Y-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-X-Y-NEXT: </VersionBlock>
+// CHECK-X-Y-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-X-Y-NEXT: <USR abbrevid=4 op0=20 op1=100 op2=26 op3=180 op4=163 op5=211 op6=99 op7=153 op8=149 op9=74 op10=205 op11=226 op12=156 op13=122 op14=136 op15=51 op16=3 op17=43 op18=244 op19=4 op20=114/>
+  // CHECK-X-Y-NEXT: <Name abbrevid=5 op0=1/> blob data = 'Y'
+  // CHECK-X-Y-NEXT: <Namespace abbrevid=6 op0=1 op1=40/> blob data = 'CA7C7935730B5EACD25F080E9C83FA087CCDC75E'
+  // CHECK-X-Y-NEXT: <DefLocation abbrevid=7 op0=10 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-X-Y-NEXT: <TagType abbrevid=9 op0=3/>
+// CHECK-X-Y-NEXT: </RecordBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-class-in-function.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-class-in-function.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-class-in-function.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-class-in-function.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,41 @@
+// This test requires Linux due to the system-dependent USR for the
+// inner class.
+// REQUIRES: system-linux
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/B6AC4C5C9F2EA3F2B3ECE1A33D349F4EE502B24E.bc --dump | FileCheck %s --check-prefix CHECK-H
+// RUN: llvm-bcanalyzer %t/docs/bc/01A95F3F73F53281B3E50109A577FD2493159365.bc --dump | FileCheck %s --check-prefix CHECK-H-I
+
+void H() {
+  class I {};
+}
+
+// CHECK-H: <BLOCKINFO_BLOCK/>
+// CHECK-H-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-H-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-H-NEXT: </VersionBlock>
+// CHECK-H-NEXT: <FunctionBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-H-NEXT: <USR abbrevid=4 op0=20 op1=182 op2=172 op3=76 op4=92 op5=159 op6=46 op7=163 op8=242 op9=179 op10=236 op11=225 op12=163 op13=61 op14=52 op15=159 op16=78 op17=229 op18=2 op19=178 op20=78/>
+  // CHECK-H-NEXT: <Name abbrevid=5 op0=1/> blob data = 'H'
+  // CHECK-H-NEXT: <DefLocation abbrevid=7 op0=12 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-H-NEXT: <TypeBlock NumWords=4 BlockCodeSize=4>
+    // CHECK-H-NEXT: <Type abbrevid=4 op0=4 op1=4/> blob data = 'void'
+  // CHECK-H-NEXT: </TypeBlock>
+// CHECK-H-NEXT: </FunctionBlock>
+
+// CHECK-H-I: <BLOCKINFO_BLOCK/>
+// CHECK-H-I-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-H-I-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-H-I-NEXT: </VersionBlock>
+// CHECK-H-I-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-H-I-NEXT: <USR abbrevid=4 op0=20 op1=1 op2=169 op3=95 op4=63 op5=115 op6=245 op7=50 op8=129 op9=179 op10=229 op11=1 op12=9 op13=165 op14=119 op15=253 op16=36 op17=147 op18=21 op19=147 op20=101/>
+  // CHECK-H-I-NEXT: <Name abbrevid=5 op0=1/> blob data = 'I'
+  // CHECK-H-I-NEXT: <Namespace abbrevid=6 op0=2 op1=40/> blob data = 'B6AC4C5C9F2EA3F2B3ECE1A33D349F4EE502B24E'
+  // CHECK-H-I-NEXT: <DefLocation abbrevid=7 op0=13 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-H-I-NEXT: <TagType abbrevid=9 op0=3/>
+// CHECK-H-I-NEXT: </RecordBlock>
+
+

Added: clang-tools-extra/trunk/test/clang-doc/mapper-class.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-class.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-class.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-class.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,19 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/289584A8E0FF4178A794622A547AA622503967A1.bc --dump | FileCheck %s
+
+class E {};
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=40 op2=149 op3=132 op4=168 op5=224 op6=255 op7=65 op8=120 op9=167 op10=148 op11=98 op12=42 op13=84 op14=122 op15=166 op16=34 op17=80 op18=57 op19=103 op20=161/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'E'
+  // CHECK-NEXT: <DefLocation abbrevid=7 op0=8 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-NEXT: <TagType abbrevid=9 op0=3/>
+// CHECK-NEXT: </RecordBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-comments.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-comments.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-comments.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-comments.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,172 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/7574630614A535710E5A6ABCFFF98BCA2D06A4CA.bc --dump | FileCheck %s
+
+/// \brief Brief description.
+///
+/// Extended description that
+/// continues onto the next line.
+/// 
+/// <ul> class="test">
+///   <li> Testing.
+/// </ul>
+///
+/// \verbatim
+/// The description continues.
+/// \endverbatim
+///
+/// \param [out] I is a parameter.
+/// \param J is a parameter.
+/// \return int
+int F(int I, int J);
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <FunctionBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=117 op2=116 op3=99 op4=6 op5=20 op6=165 op7=53 op8=113 op9=14 op10=90 op11=106 op12=188 op13=255 op14=249 op15=139 op16=202 op17=45 op18=6 op19=164 op20=202/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'F'
+  // CHECK-NEXT: <CommentBlock NumWords=351 BlockCodeSize=4>
+    // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'FullComment'
+    // CHECK-NEXT: <CommentBlock NumWords=13 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=31 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'BlockCommandComment'
+      // CHECK-NEXT: <Name abbrevid=6 op0=5/> blob data = 'brief'
+      // CHECK-NEXT: <CommentBlock NumWords=19 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+        // CHECK-NEXT: <CommentBlock NumWords=11 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+          // CHECK-NEXT: <Text abbrevid=5 op0=19/> blob data = ' Brief description.'
+        // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=37 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+      // CHECK-NEXT: <CommentBlock NumWords=13 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: <Text abbrevid=5 op0=26/> blob data = ' Extended description that'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=14 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: <Text abbrevid=5 op0=30/> blob data = ' continues onto the next line.'
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=83 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=9 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'HTMLStartTagComment'
+        // CHECK-NEXT: <Name abbrevid=6 op0=2/> blob data = 'ul'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=10 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: <Text abbrevid=5 op0=14/> blob data = ' class="test">'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=9 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'HTMLStartTagComment'
+        // CHECK-NEXT: <Name abbrevid=6 op0=2/> blob data = 'li'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=9 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: <Text abbrevid=5 op0=9/> blob data = ' Testing.'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: <CommentBlock NumWords=9 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=17/> blob data = 'HTMLEndTagComment'
+        // CHECK-NEXT: <Name abbrevid=6 op0=2/> blob data = 'ul'
+        // CHECK-NEXT: <SelfClosing abbrevid=10 op0=1/>
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=13 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=32 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=20/> blob data = 'VerbatimBlockComment'
+      // CHECK-NEXT: <Name abbrevid=6 op0=8/> blob data = 'verbatim'
+      // CHECK-NEXT: <CloseName abbrevid=9 op0=11/> blob data = 'endverbatim'
+      // CHECK-NEXT: <CommentBlock NumWords=16 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=24/> blob data = 'VerbatimBlockLineComment'
+        // CHECK-NEXT: <Text abbrevid=5 op0=27/> blob data = ' The description continues.'
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=13 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+      // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=39 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'ParamCommandComment'
+      // CHECK-NEXT: <Direction abbrevid=7 op0=5/> blob data = '[out]'
+      // CHECK-NEXT: <ParamName abbrevid=8 op0=1/> blob data = 'I'
+      // CHECK-NEXT: <Explicit abbrevid=11 op0=1/>
+      // CHECK-NEXT: <CommentBlock NumWords=25 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+        // CHECK-NEXT: <CommentBlock NumWords=10 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+          // CHECK-NEXT: <Text abbrevid=5 op0=16/> blob data = ' is a parameter.'
+        // CHECK-NEXT: </CommentBlock>
+        // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=38 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'ParamCommandComment'
+      // CHECK-NEXT: <Direction abbrevid=7 op0=4/> blob data = '[in]'
+      // CHECK-NEXT: <ParamName abbrevid=8 op0=1/> blob data = 'J'
+      // CHECK-NEXT: <CommentBlock NumWords=25 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+        // CHECK-NEXT: <CommentBlock NumWords=10 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+          // CHECK-NEXT: <Text abbrevid=5 op0=16/> blob data = ' is a parameter.'
+        // CHECK-NEXT: </CommentBlock>
+        // CHECK-NEXT: <CommentBlock NumWords=5 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+        // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: <CommentBlock NumWords=27 BlockCodeSize=4>
+      // CHECK-NEXT: <Kind abbrevid=4 op0=19/> blob data = 'BlockCommandComment'
+      // CHECK-NEXT: <Name abbrevid=6 op0=6/> blob data = 'return'
+      // CHECK-NEXT: <CommentBlock NumWords=15 BlockCodeSize=4>
+        // CHECK-NEXT: <Kind abbrevid=4 op0=16/> blob data = 'ParagraphComment'
+        // CHECK-NEXT: <CommentBlock NumWords=7 BlockCodeSize=4>
+          // CHECK-NEXT: <Kind abbrevid=4 op0=11/> blob data = 'TextComment'
+          // CHECK-NEXT: <Text abbrevid=5 op0=4/> blob data = ' int'
+        // CHECK-NEXT: </CommentBlock>
+      // CHECK-NEXT: </CommentBlock>
+    // CHECK-NEXT: </CommentBlock>
+  // CHECK-NEXT: </CommentBlock>
+  // CHECK-NEXT: <Location abbrevid=8 op0=24 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-NEXT: <TypeBlock NumWords=4 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+  // CHECK-NEXT: </TypeBlock>
+  // CHECK-NEXT: <FieldTypeBlock NumWords=6 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'I'
+  // CHECK-NEXT: </FieldTypeBlock>
+  // CHECK-NEXT: <FieldTypeBlock NumWords=6 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'J'
+  // CHECK-NEXT: </FieldTypeBlock>
+// CHECK-NEXT: </FunctionBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-enum.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-enum.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-enum.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-enum.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,36 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/FC07BD34D5E77782C263FA944447929EA8753740.bc --dump | FileCheck %s --check-prefix CHECK-B
+// RUN: llvm-bcanalyzer %t/docs/bc/020E6C32A700C3170C009FCCD41671EDDBEAF575.bc --dump | FileCheck %s --check-prefix CHECK-C
+
+enum B { X, Y };
+
+// CHECK-B: <BLOCKINFO_BLOCK/>
+// CHECK-B-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-B-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-B-NEXT: </VersionBlock>
+// CHECK-B-NEXT: <EnumBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-B-NEXT: <USR abbrevid=4 op0=20 op1=252 op2=7 op3=189 op4=52 op5=213 op6=231 op7=119 op8=130 op9=194 op10=99 op11=250 op12=148 op13=68 op14=71 op15=146 op16=158 op17=168 op18=117 op19=55 op20=64/>
+  // CHECK-B-NEXT: <Name abbrevid=5 op0=1/> blob data = 'B'
+  // CHECK-B-NEXT: <DefLocation abbrevid=7 op0=9 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-B-NEXT: <Member abbrevid=9 op0=1/> blob data = 'X'
+  // CHECK-B-NEXT: <Member abbrevid=9 op0=1/> blob data = 'Y'
+// CHECK-B-NEXT: </EnumBlock>
+
+enum class C { A, B };
+
+// CHECK-C: <BLOCKINFO_BLOCK/>
+// CHECK-C-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-C-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-C-NEXT: </VersionBlock>
+// CHECK-C-NEXT: <EnumBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-C-NEXT: <USR abbrevid=4 op0=20 op1=2 op2=14 op3=108 op4=50 op5=167 op6=0 op7=195 op8=23 op9=12 op10=0 op11=159 op12=204 op13=212 op14=22 op15=113 op16=237 op17=219 op18=234 op19=245 op20=117/>
+  // CHECK-C-NEXT: <Name abbrevid=5 op0=1/> blob data = 'C'
+  // CHECK-C-NEXT: <DefLocation abbrevid=7 op0=23 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-C-NEXT: <Scoped abbrevid=10 op0=1/>
+  // CHECK-C-NEXT: <Member abbrevid=9 op0=1/> blob data = 'A'
+  // CHECK-C-NEXT: <Member abbrevid=9 op0=1/> blob data = 'B'
+// CHECK-C-NEXT: </EnumBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-function.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-function.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-function.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-function.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,25 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/A44B32CC3C087C9AF75DAF50DE193E85E7B2C16B.bc --dump | FileCheck %s
+
+int F(int param) { return param; }
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <FunctionBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=164 op2=75 op3=50 op4=204 op5=60 op6=8 op7=124 op8=154 op9=247 op10=93 op11=175 op12=80 op13=222 op14=25 op15=62 op16=133 op17=231 op18=178 op19=193 op20=107/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'F'
+  // CHECK-NEXT: <DefLocation abbrevid=7 op0=8 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-NEXT: <TypeBlock NumWords=4 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+  // CHECK-NEXT: </TypeBlock>
+  // CHECK-NEXT: <FieldTypeBlock NumWords=7 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=5/> blob data = 'param'
+  // CHECK-NEXT: </FieldTypeBlock>
+// CHECK-NEXT: </FunctionBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-method.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-method.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-method.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-method.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,43 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/F0F9FC65FC90F54F690144A7AFB15DFC3D69B6E6.bc --dump | FileCheck %s --check-prefix CHECK-G-F
+// RUN: llvm-bcanalyzer %t/docs/bc/4202E8BF0ECB12AE354C8499C52725B0EE30AED5.bc --dump | FileCheck %s --check-prefix CHECK-G
+
+class G {
+public: 
+	int Method(int param) { return param; }
+};
+
+// CHECK-G: <BLOCKINFO_BLOCK/>
+// CHECK-G-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-G-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-G-NEXT: </VersionBlock>
+// CHECK-G-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-G-NEXT: <USR abbrevid=4 op0=20 op1=66 op2=2 op3=232 op4=191 op5=14 op6=203 op7=18 op8=174 op9=53 op10=76 op11=132 op12=153 op13=197 op14=39 op15=37 op16=176 op17=238 op18=48 op19=174 op20=213/>
+  // CHECK-G-NEXT: <Name abbrevid=5 op0=1/> blob data = 'G'
+  // CHECK-G-NEXT: <DefLocation abbrevid=7 op0=9 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-G-NEXT: <TagType abbrevid=9 op0=3/>
+// CHECK-G-NEXT: </RecordBlock>
+
+// CHECK-G-F: <BLOCKINFO_BLOCK/>
+// CHECK-G-F-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-G-F-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-G-F-NEXT: </VersionBlock>
+// CHECK-G-F-NEXT: <FunctionBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-G-F-NEXT: <USR abbrevid=4 op0=20 op1=240 op2=249 op3=252 op4=101 op5=252 op6=144 op7=245 op8=79 op9=105 op10=1 op11=68 op12=167 op13=175 op14=177 op15=93 op16=252 op17=61 op18=105 op19=182 op20=230/>
+  // CHECK-G-F-NEXT: <Name abbrevid=5 op0=6/> blob data = 'Method'
+  // CHECK-G-F-NEXT: <Namespace abbrevid=6 op0=1 op1=40/> blob data = '4202E8BF0ECB12AE354C8499C52725B0EE30AED5'
+  // CHECK-G-F-NEXT: <IsMethod abbrevid=11 op0=1/>
+  // CHECK-G-F-NEXT: <DefLocation abbrevid=7 op0=11 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-G-F-NEXT: <Parent abbrevid=9 op0=1 op1=40/> blob data = '4202E8BF0ECB12AE354C8499C52725B0EE30AED5'
+  // CHECK-G-F-NEXT: <TypeBlock NumWords=4 BlockCodeSize=4>
+    // CHECK-G-F-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+  // CHECK-G-F-NEXT: </TypeBlock>
+  // CHECK-G-F-NEXT: <FieldTypeBlock NumWords=7 BlockCodeSize=4>
+    // CHECK-G-F-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-G-F-NEXT: <Name abbrevid=5 op0=5/> blob data = 'param'
+  // CHECK-G-F-NEXT: </FieldTypeBlock>
+// CHECK-G-F-NEXT: </FunctionBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-namespace.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-namespace.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-namespace.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-namespace.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,17 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/8D042EFFC98B373450BC6B5B90A330C25A150E9C.bc --dump | FileCheck %s
+
+namespace A {}
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <NamespaceBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=141 op2=4 op3=46 op4=255 op5=201 op6=139 op7=55 op8=52 op9=80 op10=188 op11=107 op12=91 op13=144 op14=163 op15=48 op16=194 op17=90 op18=21 op19=14 op20=156/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'A'
+// CHECK-NEXT: </NamespaceBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-struct.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-struct.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-struct.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-struct.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,23 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/06B5F6A19BA9F6A832E127C9968282B94619B210.bc --dump | FileCheck %s
+
+struct C { int i; };
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=6 op2=181 op3=246 op4=161 op5=155 op6=169 op7=246 op8=168 op9=50 op10=225 op11=39 op12=201 op13=150 op14=130 op15=130 op16=185 op17=70 op18=25 op19=178 op20=16/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'C'
+  // CHECK-NEXT: <DefLocation abbrevid=7 op0=8 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-NEXT: <MemberTypeBlock NumWords=6 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=4/> blob data = 'C::i'
+    // CHECK-NEXT: <Access abbrevid=6 op0=3/>
+  // CHECK-NEXT: </MemberTypeBlock>
+// CHECK-NEXT: </RecordBlock>

Added: clang-tools-extra/trunk/test/clang-doc/mapper-union.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-doc/mapper-union.cpp?rev=328150&view=auto
==============================================================================
--- clang-tools-extra/trunk/test/clang-doc/mapper-union.cpp (added)
+++ clang-tools-extra/trunk/test/clang-doc/mapper-union.cpp Wed Mar 21 14:21:45 2018
@@ -0,0 +1,29 @@
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: echo "" > %t/compile_flags.txt
+// RUN: cp "%s" "%t/test.cpp"
+// RUN: clang-doc --dump-mapper -doxygen -p %t %t/test.cpp -output=%t/docs
+// RUN: llvm-bcanalyzer %t/docs/bc/0B8A6B938B939B77C6325CCCC8AA3E938BF9E2E8.bc --dump | FileCheck %s
+
+union D { int X; int Y; };
+
+// CHECK: <BLOCKINFO_BLOCK/>
+// CHECK-NEXT: <VersionBlock NumWords=1 BlockCodeSize=4>
+  // CHECK-NEXT: <Version abbrevid=4 op0=1/>
+// CHECK-NEXT: </VersionBlock>
+// CHECK-NEXT: <RecordBlock NumWords={{[0-9]*}} BlockCodeSize=4>
+  // CHECK-NEXT: <USR abbrevid=4 op0=20 op1=11 op2=138 op3=107 op4=147 op5=139 op6=147 op7=155 op8=119 op9=198 op10=50 op11=92 op12=204 op13=200 op14=170 op15=62 op16=147 op17=139 op18=249 op19=226 op20=232/>
+  // CHECK-NEXT: <Name abbrevid=5 op0=1/> blob data = 'D'
+  // CHECK-NEXT: <DefLocation abbrevid=7 op0=8 op1={{[0-9]*}}/> blob data = '{{.*}}'
+  // CHECK-NEXT: <TagType abbrevid=9 op0=2/>
+  // CHECK-NEXT: <MemberTypeBlock NumWords=6 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=4/> blob data = 'D::X'
+    // CHECK-NEXT: <Access abbrevid=6 op0=3/>
+  // CHECK-NEXT: </MemberTypeBlock>
+  // CHECK-NEXT: <MemberTypeBlock NumWords=6 BlockCodeSize=4>
+    // CHECK-NEXT: <Type abbrevid=4 op0=4 op1=3/> blob data = 'int'
+    // CHECK-NEXT: <Name abbrevid=5 op0=4/> blob data = 'D::Y'
+    // CHECK-NEXT: <Access abbrevid=6 op0=3/>
+  // CHECK-NEXT: </MemberTypeBlock>
+// CHECK-NEXT: </RecordBlock>




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