clang-tools  10.0.0svn
BitcodeWriter.cpp
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1 //===-- BitcodeWriter.cpp - ClangDoc Bitcode Writer ------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "BitcodeWriter.h"
10 #include "llvm/ADT/IndexedMap.h"
11 #include <initializer_list>
12 
13 namespace clang {
14 namespace doc {
15 
16 // Empty SymbolID for comparison, so we don't have to construct one every time.
17 static const SymbolID EmptySID = SymbolID();
18 
19 // Since id enums are not zero-indexed, we need to transform the given id into
20 // its associated index.
22  using argument_type = unsigned;
23  unsigned operator()(unsigned ID) const { return ID - BI_FIRST; }
24 };
25 
27  using argument_type = unsigned;
28  unsigned operator()(unsigned ID) const { return ID - RI_FIRST; }
29 };
30 
31 using AbbrevDsc = void (*)(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev);
32 
33 static void AbbrevGen(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev,
34  const std::initializer_list<llvm::BitCodeAbbrevOp> Ops) {
35  for (const auto &Op : Ops)
36  Abbrev->Add(Op);
37 }
38 
39 static void BoolAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
40  AbbrevGen(Abbrev,
41  {// 0. Boolean
42  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
44 }
45 
46 static void IntAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
47  AbbrevGen(Abbrev,
48  {// 0. Fixed-size integer
49  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
51 }
52 
53 static void SymbolIDAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
54  AbbrevGen(Abbrev,
55  {// 0. Fixed-size integer (length of the sha1'd USR)
56  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
58  // 1. Fixed-size array of Char6 (USR)
59  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Array),
60  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
62 }
63 
64 static void StringAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
65  AbbrevGen(Abbrev,
66  {// 0. Fixed-size integer (length of the following string)
67  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
69  // 1. The string blob
70  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob)});
71 }
72 
73 // Assumes that the file will not have more than 65535 lines.
74 static void LocationAbbrev(std::shared_ptr<llvm::BitCodeAbbrev> &Abbrev) {
75  AbbrevGen(
76  Abbrev,
77  {// 0. Fixed-size integer (line number)
78  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
80  // 1. Boolean (IsFileInRootDir)
81  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
83  // 2. Fixed-size integer (length of the following string (filename))
84  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Fixed,
86  // 3. The string blob
87  llvm::BitCodeAbbrevOp(llvm::BitCodeAbbrevOp::Blob)});
88 }
89 
90 struct RecordIdDsc {
91  llvm::StringRef Name;
92  AbbrevDsc Abbrev = nullptr;
93 
94  RecordIdDsc() = default;
95  RecordIdDsc(llvm::StringRef Name, AbbrevDsc Abbrev)
96  : Name(Name), Abbrev(Abbrev) {}
97 
98  // Is this 'description' valid?
99  operator bool() const {
100  return Abbrev != nullptr && Name.data() != nullptr && !Name.empty();
101  }
102 };
103 
104 static const llvm::IndexedMap<llvm::StringRef, BlockIdToIndexFunctor>
105  BlockIdNameMap = []() {
106  llvm::IndexedMap<llvm::StringRef, BlockIdToIndexFunctor> BlockIdNameMap;
107  BlockIdNameMap.resize(BlockIdCount);
108 
109  // There is no init-list constructor for the IndexedMap, so have to
110  // improvise
111  static const std::vector<std::pair<BlockId, const char *const>> Inits = {
112  {BI_VERSION_BLOCK_ID, "VersionBlock"},
113  {BI_NAMESPACE_BLOCK_ID, "NamespaceBlock"},
114  {BI_ENUM_BLOCK_ID, "EnumBlock"},
115  {BI_TYPE_BLOCK_ID, "TypeBlock"},
116  {BI_FIELD_TYPE_BLOCK_ID, "FieldTypeBlock"},
117  {BI_MEMBER_TYPE_BLOCK_ID, "MemberTypeBlock"},
118  {BI_RECORD_BLOCK_ID, "RecordBlock"},
119  {BI_BASE_RECORD_BLOCK_ID, "BaseRecordBlock"},
120  {BI_FUNCTION_BLOCK_ID, "FunctionBlock"},
121  {BI_COMMENT_BLOCK_ID, "CommentBlock"},
122  {BI_REFERENCE_BLOCK_ID, "ReferenceBlock"}};
123  assert(Inits.size() == BlockIdCount);
124  for (const auto &Init : Inits)
125  BlockIdNameMap[Init.first] = Init.second;
126  assert(BlockIdNameMap.size() == BlockIdCount);
127  return BlockIdNameMap;
128  }();
129 
130 static const llvm::IndexedMap<RecordIdDsc, RecordIdToIndexFunctor>
132  llvm::IndexedMap<RecordIdDsc, RecordIdToIndexFunctor> RecordIdNameMap;
133  RecordIdNameMap.resize(RecordIdCount);
134 
135  // There is no init-list constructor for the IndexedMap, so have to
136  // improvise
137  static const std::vector<std::pair<RecordId, RecordIdDsc>> Inits = {
138  {VERSION, {"Version", &IntAbbrev}},
139  {COMMENT_KIND, {"Kind", &StringAbbrev}},
140  {COMMENT_TEXT, {"Text", &StringAbbrev}},
141  {COMMENT_NAME, {"Name", &StringAbbrev}},
142  {COMMENT_DIRECTION, {"Direction", &StringAbbrev}},
143  {COMMENT_PARAMNAME, {"ParamName", &StringAbbrev}},
144  {COMMENT_CLOSENAME, {"CloseName", &StringAbbrev}},
145  {COMMENT_SELFCLOSING, {"SelfClosing", &BoolAbbrev}},
146  {COMMENT_EXPLICIT, {"Explicit", &BoolAbbrev}},
147  {COMMENT_ATTRKEY, {"AttrKey", &StringAbbrev}},
148  {COMMENT_ATTRVAL, {"AttrVal", &StringAbbrev}},
149  {COMMENT_ARG, {"Arg", &StringAbbrev}},
150  {FIELD_TYPE_NAME, {"Name", &StringAbbrev}},
151  {MEMBER_TYPE_NAME, {"Name", &StringAbbrev}},
152  {MEMBER_TYPE_ACCESS, {"Access", &IntAbbrev}},
153  {NAMESPACE_USR, {"USR", &SymbolIDAbbrev}},
154  {NAMESPACE_NAME, {"Name", &StringAbbrev}},
155  {NAMESPACE_PATH, {"Path", &StringAbbrev}},
156  {ENUM_USR, {"USR", &SymbolIDAbbrev}},
157  {ENUM_NAME, {"Name", &StringAbbrev}},
158  {ENUM_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
159  {ENUM_LOCATION, {"Location", &LocationAbbrev}},
160  {ENUM_MEMBER, {"Member", &StringAbbrev}},
161  {ENUM_SCOPED, {"Scoped", &BoolAbbrev}},
162  {RECORD_USR, {"USR", &SymbolIDAbbrev}},
163  {RECORD_NAME, {"Name", &StringAbbrev}},
164  {RECORD_PATH, {"Path", &StringAbbrev}},
165  {RECORD_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
166  {RECORD_LOCATION, {"Location", &LocationAbbrev}},
167  {RECORD_TAG_TYPE, {"TagType", &IntAbbrev}},
168  {RECORD_IS_TYPE_DEF, {"IsTypeDef", &BoolAbbrev}},
169  {BASE_RECORD_USR, {"USR", &SymbolIDAbbrev}},
170  {BASE_RECORD_NAME, {"Name", &StringAbbrev}},
171  {BASE_RECORD_PATH, {"Path", &StringAbbrev}},
172  {BASE_RECORD_TAG_TYPE, {"TagType", &IntAbbrev}},
173  {BASE_RECORD_IS_VIRTUAL, {"IsVirtual", &BoolAbbrev}},
174  {BASE_RECORD_ACCESS, {"Access", &IntAbbrev}},
175  {BASE_RECORD_IS_PARENT, {"IsParent", &BoolAbbrev}},
176  {FUNCTION_USR, {"USR", &SymbolIDAbbrev}},
177  {FUNCTION_NAME, {"Name", &StringAbbrev}},
178  {FUNCTION_DEFLOCATION, {"DefLocation", &LocationAbbrev}},
179  {FUNCTION_LOCATION, {"Location", &LocationAbbrev}},
180  {FUNCTION_ACCESS, {"Access", &IntAbbrev}},
181  {FUNCTION_IS_METHOD, {"IsMethod", &BoolAbbrev}},
182  {REFERENCE_USR, {"USR", &SymbolIDAbbrev}},
183  {REFERENCE_NAME, {"Name", &StringAbbrev}},
184  {REFERENCE_TYPE, {"RefType", &IntAbbrev}},
185  {REFERENCE_PATH, {"Path", &StringAbbrev}},
187  {"IsInGlobalNamespace", &BoolAbbrev}},
188  {REFERENCE_FIELD, {"Field", &IntAbbrev}}};
189  assert(Inits.size() == RecordIdCount);
190  for (const auto &Init : Inits) {
191  RecordIdNameMap[Init.first] = Init.second;
192  assert((Init.second.Name.size() + 1) <= BitCodeConstants::RecordSize);
193  }
194  assert(RecordIdNameMap.size() == RecordIdCount);
195  return RecordIdNameMap;
196  }();
197 
198 static const std::vector<std::pair<BlockId, std::vector<RecordId>>>
200  // Version Block
202  // Comment Block
207  // Type Block
208  {BI_TYPE_BLOCK_ID, {}},
209  // FieldType Block
211  // MemberType Block
213  // Enum Block
216  ENUM_SCOPED}},
217  // Namespace Block
220  // Record Block
224  // BaseRecord Block
229  // Function Block
233  // Reference Block
237 
238 // AbbreviationMap
239 
240 constexpr unsigned char BitCodeConstants::Signature[];
241 
242 void ClangDocBitcodeWriter::AbbreviationMap::add(RecordId RID,
243  unsigned AbbrevID) {
244  assert(RecordIdNameMap[RID] && "Unknown RecordId.");
245  assert(Abbrevs.find(RID) == Abbrevs.end() && "Abbreviation already added.");
246  Abbrevs[RID] = AbbrevID;
247 }
248 
249 unsigned ClangDocBitcodeWriter::AbbreviationMap::get(RecordId RID) const {
250  assert(RecordIdNameMap[RID] && "Unknown RecordId.");
251  assert(Abbrevs.find(RID) != Abbrevs.end() && "Unknown abbreviation.");
252  return Abbrevs.lookup(RID);
253 }
254 
255 // Validation and Overview Blocks
256 
257 /// Emits the magic number header to check that its the right format,
258 /// in this case, 'DOCS'.
259 void ClangDocBitcodeWriter::emitHeader() {
260  for (char C : BitCodeConstants::Signature)
261  Stream.Emit((unsigned)C, BitCodeConstants::SignatureBitSize);
262 }
263 
264 void ClangDocBitcodeWriter::emitVersionBlock() {
265  StreamSubBlockGuard Block(Stream, BI_VERSION_BLOCK_ID);
266  emitRecord(VersionNumber, VERSION);
267 }
268 
269 /// Emits a block ID and the block name to the BLOCKINFO block.
270 void ClangDocBitcodeWriter::emitBlockID(BlockId BID) {
271  const auto &BlockIdName = BlockIdNameMap[BID];
272  assert(BlockIdName.data() && BlockIdName.size() && "Unknown BlockId.");
273 
274  Record.clear();
275  Record.push_back(BID);
276  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
277  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_BLOCKNAME,
278  ArrayRef<unsigned char>(BlockIdName.bytes_begin(),
279  BlockIdName.bytes_end()));
280 }
281 
282 /// Emits a record name to the BLOCKINFO block.
283 void ClangDocBitcodeWriter::emitRecordID(RecordId ID) {
284  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
285  prepRecordData(ID);
286  Record.append(RecordIdNameMap[ID].Name.begin(),
287  RecordIdNameMap[ID].Name.end());
288  Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
289 }
290 
291 // Abbreviations
292 
293 void ClangDocBitcodeWriter::emitAbbrev(RecordId ID, BlockId Block) {
294  assert(RecordIdNameMap[ID] && "Unknown abbreviation.");
295  auto Abbrev = std::make_shared<llvm::BitCodeAbbrev>();
296  Abbrev->Add(llvm::BitCodeAbbrevOp(ID));
297  RecordIdNameMap[ID].Abbrev(Abbrev);
298  Abbrevs.add(ID, Stream.EmitBlockInfoAbbrev(Block, std::move(Abbrev)));
299 }
300 
301 // Records
302 
303 void ClangDocBitcodeWriter::emitRecord(const SymbolID &Sym, RecordId ID) {
304  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
305  assert(RecordIdNameMap[ID].Abbrev == &SymbolIDAbbrev &&
306  "Abbrev type mismatch.");
307  if (!prepRecordData(ID, Sym != EmptySID))
308  return;
309  assert(Sym.size() == 20);
310  Record.push_back(Sym.size());
311  Record.append(Sym.begin(), Sym.end());
312  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
313 }
314 
315 void ClangDocBitcodeWriter::emitRecord(llvm::StringRef Str, RecordId ID) {
316  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
317  assert(RecordIdNameMap[ID].Abbrev == &StringAbbrev &&
318  "Abbrev type mismatch.");
319  if (!prepRecordData(ID, !Str.empty()))
320  return;
321  assert(Str.size() < (1U << BitCodeConstants::StringLengthSize));
322  Record.push_back(Str.size());
323  Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, Str);
324 }
325 
326 void ClangDocBitcodeWriter::emitRecord(const Location &Loc, RecordId ID) {
327  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
328  assert(RecordIdNameMap[ID].Abbrev == &LocationAbbrev &&
329  "Abbrev type mismatch.");
330  if (!prepRecordData(ID, true))
331  return;
332  // FIXME: Assert that the line number is of the appropriate size.
333  Record.push_back(Loc.LineNumber);
334  assert(Loc.Filename.size() < (1U << BitCodeConstants::StringLengthSize));
335  Record.push_back(Loc.IsFileInRootDir);
336  Record.push_back(Loc.Filename.size());
337  Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, Loc.Filename);
338 }
339 
340 void ClangDocBitcodeWriter::emitRecord(bool Val, RecordId ID) {
341  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
342  assert(RecordIdNameMap[ID].Abbrev == &BoolAbbrev && "Abbrev type mismatch.");
343  if (!prepRecordData(ID, Val))
344  return;
345  Record.push_back(Val);
346  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
347 }
348 
349 void ClangDocBitcodeWriter::emitRecord(int Val, RecordId ID) {
350  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
351  assert(RecordIdNameMap[ID].Abbrev == &IntAbbrev && "Abbrev type mismatch.");
352  if (!prepRecordData(ID, Val))
353  return;
354  // FIXME: Assert that the integer is of the appropriate size.
355  Record.push_back(Val);
356  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
357 }
358 
359 void ClangDocBitcodeWriter::emitRecord(unsigned Val, RecordId ID) {
360  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
361  assert(RecordIdNameMap[ID].Abbrev == &IntAbbrev && "Abbrev type mismatch.");
362  if (!prepRecordData(ID, Val))
363  return;
364  assert(Val < (1U << BitCodeConstants::IntSize));
365  Record.push_back(Val);
366  Stream.EmitRecordWithAbbrev(Abbrevs.get(ID), Record);
367 }
368 
369 bool ClangDocBitcodeWriter::prepRecordData(RecordId ID, bool ShouldEmit) {
370  assert(RecordIdNameMap[ID] && "Unknown RecordId.");
371  if (!ShouldEmit)
372  return false;
373  Record.clear();
374  Record.push_back(ID);
375  return true;
376 }
377 
378 // BlockInfo Block
379 
380 void ClangDocBitcodeWriter::emitBlockInfoBlock() {
381  Stream.EnterBlockInfoBlock();
382  for (const auto &Block : RecordsByBlock) {
383  assert(Block.second.size() < (1U << BitCodeConstants::SubblockIDSize));
384  emitBlockInfo(Block.first, Block.second);
385  }
386  Stream.ExitBlock();
387 }
388 
389 void ClangDocBitcodeWriter::emitBlockInfo(BlockId BID,
390  const std::vector<RecordId> &RIDs) {
391  assert(RIDs.size() < (1U << BitCodeConstants::SubblockIDSize));
392  emitBlockID(BID);
393  for (RecordId RID : RIDs) {
394  emitRecordID(RID);
395  emitAbbrev(RID, BID);
396  }
397 }
398 
399 // Block emission
400 
402  if (R.USR == EmptySID && R.Name.empty())
403  return;
404  StreamSubBlockGuard Block(Stream, BI_REFERENCE_BLOCK_ID);
405  emitRecord(R.USR, REFERENCE_USR);
406  emitRecord(R.Name, REFERENCE_NAME);
407  emitRecord((unsigned)R.RefType, REFERENCE_TYPE);
408  emitRecord(R.Path, REFERENCE_PATH);
410  emitRecord((unsigned)Field, REFERENCE_FIELD);
411 }
412 
414  StreamSubBlockGuard Block(Stream, BI_TYPE_BLOCK_ID);
415  emitBlock(T.Type, FieldId::F_type);
416 }
417 
419  StreamSubBlockGuard Block(Stream, BI_FIELD_TYPE_BLOCK_ID);
420  emitBlock(T.Type, FieldId::F_type);
421  emitRecord(T.Name, FIELD_TYPE_NAME);
422 }
423 
425  StreamSubBlockGuard Block(Stream, BI_MEMBER_TYPE_BLOCK_ID);
426  emitBlock(T.Type, FieldId::F_type);
427  emitRecord(T.Name, MEMBER_TYPE_NAME);
428  emitRecord(T.Access, MEMBER_TYPE_ACCESS);
429 }
430 
432  StreamSubBlockGuard Block(Stream, BI_COMMENT_BLOCK_ID);
433  for (const auto &L : std::vector<std::pair<llvm::StringRef, RecordId>>{
434  {I.Kind, COMMENT_KIND},
435  {I.Text, COMMENT_TEXT},
436  {I.Name, COMMENT_NAME},
440  emitRecord(L.first, L.second);
441  emitRecord(I.SelfClosing, COMMENT_SELFCLOSING);
442  emitRecord(I.Explicit, COMMENT_EXPLICIT);
443  for (const auto &A : I.AttrKeys)
444  emitRecord(A, COMMENT_ATTRKEY);
445  for (const auto &A : I.AttrValues)
446  emitRecord(A, COMMENT_ATTRVAL);
447  for (const auto &A : I.Args)
448  emitRecord(A, COMMENT_ARG);
449  for (const auto &C : I.Children)
450  emitBlock(*C);
451 }
452 
454  StreamSubBlockGuard Block(Stream, BI_NAMESPACE_BLOCK_ID);
455  emitRecord(I.USR, NAMESPACE_USR);
456  emitRecord(I.Name, NAMESPACE_NAME);
457  emitRecord(I.Path, NAMESPACE_PATH);
458  for (const auto &N : I.Namespace)
459  emitBlock(N, FieldId::F_namespace);
460  for (const auto &CI : I.Description)
461  emitBlock(CI);
462  for (const auto &C : I.ChildNamespaces)
463  emitBlock(C, FieldId::F_child_namespace);
464  for (const auto &C : I.ChildRecords)
465  emitBlock(C, FieldId::F_child_record);
466  for (const auto &C : I.ChildFunctions)
467  emitBlock(C);
468  for (const auto &C : I.ChildEnums)
469  emitBlock(C);
470 }
471 
473  StreamSubBlockGuard Block(Stream, BI_ENUM_BLOCK_ID);
474  emitRecord(I.USR, ENUM_USR);
475  emitRecord(I.Name, ENUM_NAME);
476  for (const auto &N : I.Namespace)
477  emitBlock(N, FieldId::F_namespace);
478  for (const auto &CI : I.Description)
479  emitBlock(CI);
480  if (I.DefLoc)
481  emitRecord(I.DefLoc.getValue(), ENUM_DEFLOCATION);
482  for (const auto &L : I.Loc)
483  emitRecord(L, ENUM_LOCATION);
484  emitRecord(I.Scoped, ENUM_SCOPED);
485  for (const auto &N : I.Members)
486  emitRecord(N, ENUM_MEMBER);
487 }
488 
490  StreamSubBlockGuard Block(Stream, BI_RECORD_BLOCK_ID);
491  emitRecord(I.USR, RECORD_USR);
492  emitRecord(I.Name, RECORD_NAME);
493  emitRecord(I.Path, RECORD_PATH);
494  for (const auto &N : I.Namespace)
495  emitBlock(N, FieldId::F_namespace);
496  for (const auto &CI : I.Description)
497  emitBlock(CI);
498  if (I.DefLoc)
499  emitRecord(I.DefLoc.getValue(), RECORD_DEFLOCATION);
500  for (const auto &L : I.Loc)
501  emitRecord(L, RECORD_LOCATION);
502  emitRecord(I.TagType, RECORD_TAG_TYPE);
503  emitRecord(I.IsTypeDef, RECORD_IS_TYPE_DEF);
504  for (const auto &N : I.Members)
505  emitBlock(N);
506  for (const auto &P : I.Parents)
507  emitBlock(P, FieldId::F_parent);
508  for (const auto &P : I.VirtualParents)
509  emitBlock(P, FieldId::F_vparent);
510  for (const auto &PB : I.Bases)
511  emitBlock(PB);
512  for (const auto &C : I.ChildRecords)
513  emitBlock(C, FieldId::F_child_record);
514  for (const auto &C : I.ChildFunctions)
515  emitBlock(C);
516  for (const auto &C : I.ChildEnums)
517  emitBlock(C);
518 }
519 
521  StreamSubBlockGuard Block(Stream, BI_BASE_RECORD_BLOCK_ID);
522  emitRecord(I.USR, BASE_RECORD_USR);
523  emitRecord(I.Name, BASE_RECORD_NAME);
524  emitRecord(I.Path, BASE_RECORD_PATH);
525  emitRecord(I.TagType, BASE_RECORD_TAG_TYPE);
526  emitRecord(I.IsVirtual, BASE_RECORD_IS_VIRTUAL);
527  emitRecord(I.Access, BASE_RECORD_ACCESS);
528  emitRecord(I.IsParent, BASE_RECORD_IS_PARENT);
529  for (const auto &M : I.Members)
530  emitBlock(M);
531  for (const auto &C : I.ChildFunctions)
532  emitBlock(C);
533 }
534 
536  StreamSubBlockGuard Block(Stream, BI_FUNCTION_BLOCK_ID);
537  emitRecord(I.USR, FUNCTION_USR);
538  emitRecord(I.Name, FUNCTION_NAME);
539  for (const auto &N : I.Namespace)
540  emitBlock(N, FieldId::F_namespace);
541  for (const auto &CI : I.Description)
542  emitBlock(CI);
543  emitRecord(I.Access, FUNCTION_ACCESS);
544  emitRecord(I.IsMethod, FUNCTION_IS_METHOD);
545  if (I.DefLoc)
546  emitRecord(I.DefLoc.getValue(), FUNCTION_DEFLOCATION);
547  for (const auto &L : I.Loc)
548  emitRecord(L, FUNCTION_LOCATION);
549  emitBlock(I.Parent, FieldId::F_parent);
550  emitBlock(I.ReturnType);
551  for (const auto &N : I.Params)
552  emitBlock(N);
553 }
554 
556  switch (I->IT) {
558  emitBlock(*static_cast<clang::doc::NamespaceInfo *>(I));
559  break;
560  case InfoType::IT_record:
561  emitBlock(*static_cast<clang::doc::RecordInfo *>(I));
562  break;
563  case InfoType::IT_enum:
564  emitBlock(*static_cast<clang::doc::EnumInfo *>(I));
565  break;
567  emitBlock(*static_cast<clang::doc::FunctionInfo *>(I));
568  break;
569  default:
570  llvm::errs() << "Unexpected info, unable to write.\n";
571  return true;
572  }
573  return false;
574 }
575 
576 } // namespace doc
577 } // namespace clang
SourceLocation Loc
&#39;#&#39; location in the include directive
static void StringAbbrev(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev)
llvm::SmallVector< Reference, 4 > Namespace
static const SymbolID EmptySID
static void AbbrevGen(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev, const std::initializer_list< llvm::BitCodeAbbrevOp > Ops)
std::vector< BaseRecordInfo > Bases
static constexpr unsigned SignatureBitSize
Definition: BitcodeWriter.h:37
static const std::vector< std::pair< BlockId, std::vector< RecordId > > > RecordsByBlock
static const unsigned VersionNumber
Definition: BitcodeWriter.h:33
static constexpr unsigned SubblockIDSize
Definition: BitcodeWriter.h:38
static constexpr unsigned BlockIdCount
static constexpr unsigned char Signature[4]
Definition: BitcodeWriter.h:47
llvm::SmallVector< uint64_t, 1024 > Record
void emitBlock(const NamespaceInfo &I)
SmallString< 16 > Name
llvm::Optional< Location > DefLoc
RecordIdDsc(llvm::StringRef Name, AbbrevDsc Abbrev)
std::vector< FunctionInfo > ChildFunctions
static constexpr unsigned BoolSize
Definition: BitcodeWriter.h:39
llvm::SmallVector< Location, 2 > Loc
static void BoolAbbrev(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev)
static const llvm::IndexedMap< RecordIdDsc, RecordIdToIndexFunctor > RecordIdNameMap
std::vector< FunctionInfo > ChildFunctions
unsigned operator()(unsigned ID) const
std::vector< EnumInfo > ChildEnums
unsigned operator()(unsigned ID) const
static constexpr unsigned LineNumberSize
Definition: BitcodeWriter.h:43
std::vector< Reference > ChildRecords
static void SymbolIDAbbrev(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev)
llvm::SmallVector< Reference, 4 > VirtualParents
llvm::SmallVector< FieldTypeInfo, 4 > Params
llvm::SmallVector< SmallString< 16 >, 4 > Members
static void IntAbbrev(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev)
llvm::SmallVector< SmallString< 16 >, 4 > AttrValues
static constexpr unsigned RecordSize
Definition: BitcodeWriter.h:36
std::vector< CommentInfo > Description
llvm::SmallVector< SmallString< 16 >, 4 > Args
void(*)(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev) AbbrevDsc
SmallString< 16 > Name
static constexpr llvm::StringLiteral Name
A base struct for Infos.
llvm::SmallString< 128 > Path
llvm::SmallVector< Reference, 4 > Parents
SmallString< 16 > ParamName
static const llvm::IndexedMap< llvm::StringRef, BlockIdToIndexFunctor > BlockIdNameMap
llvm::SmallVector< SmallString< 16 >, 4 > AttrKeys
SmallString< 16 > Name
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
SmallString< 16 > Name
std::vector< Reference > ChildNamespaces
static constexpr unsigned IntSize
Definition: BitcodeWriter.h:40
SmallString< 16 > CloseName
static constexpr unsigned USRBitLengthSize
Definition: BitcodeWriter.h:46
std::vector< Reference > ChildRecords
SmallString< 32 > Filename
SmallString< 8 > Direction
const InfoType IT
std::vector< EnumInfo > ChildEnums
static constexpr unsigned USRLengthSize
Definition: BitcodeWriter.h:45
static void LocationAbbrev(std::shared_ptr< llvm::BitCodeAbbrev > &Abbrev)
llvm::SmallVector< MemberTypeInfo, 4 > Members
SmallString< 16 > Kind
std::vector< std::unique_ptr< CommentInfo > > Children
SmallString< 64 > Text
static constexpr unsigned StringLengthSize
Definition: BitcodeWriter.h:41
std::array< uint8_t, 20 > SymbolID
llvm::SmallString< 128 > Path
static constexpr unsigned RecordIdCount