contrib/llvm/tools/clang/lib/Serialization/ASTWriterStmt.cpp

   1 //===--- ASTWriterStmt.cpp - Statement and Expression Serialization -------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 ///
  10 /// \file
  11 /// \brief Implements serialization for Statements and Expressions.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "clang/Serialization/ASTWriter.h"
  16 #include "clang/AST/ASTContext.h"
  17 #include "clang/AST/DeclCXX.h"
  18 #include "clang/AST/DeclObjC.h"
  19 #include "clang/AST/DeclTemplate.h"
  20 #include "clang/AST/StmtVisitor.h"
  21 #include "clang/Lex/Token.h"
  22 #include "llvm/Bitcode/BitstreamWriter.h"
  23 using namespace clang;
  24
  25 //===----------------------------------------------------------------------===//
  26 // Statement/expression serialization
  27 //===----------------------------------------------------------------------===//
  28
  29 namespace clang {
  30
  31   class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> {
  32     ASTWriter &Writer;
  33     ASTRecordWriter Record;
  34
  35     serialization::StmtCode Code;
  36     unsigned AbbrevToUse;
  37
  38   public:
  39     ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record)
  40         : Writer(Writer), Record(Writer, Record),
  41           Code(serialization::STMT_NULL_PTR), AbbrevToUse(0) {}
  42
  43     ASTStmtWriter(const ASTStmtWriter&) = delete;
  44
  45     uint64_t Emit() {
  46       assert(Code != serialization::STMT_NULL_PTR &&
  47              "unhandled sub-statement writing AST file");
  48       return Record.EmitStmt(Code, AbbrevToUse);
  49     }
  50
  51     void AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &ArgInfo,
  52                                   const TemplateArgumentLoc *Args);
  53
  54     void VisitStmt(Stmt *S);
  55 #define STMT(Type, Base) \
  56     void Visit##Type(Type *);
  57 #include "clang/AST/StmtNodes.inc"
  58   };
  59 }
  60
  61 void ASTStmtWriter::AddTemplateKWAndArgsInfo(
  62     const ASTTemplateKWAndArgsInfo &ArgInfo, const TemplateArgumentLoc *Args) {
  63   Record.AddSourceLocation(ArgInfo.TemplateKWLoc);
  64   Record.AddSourceLocation(ArgInfo.LAngleLoc);
  65   Record.AddSourceLocation(ArgInfo.RAngleLoc);
  66   for (unsigned i = 0; i != ArgInfo.NumTemplateArgs; ++i)
  67     Record.AddTemplateArgumentLoc(Args[i]);
  68 }
  69
  70 void ASTStmtWriter::VisitStmt(Stmt *S) {
  71 }
  72
  73 void ASTStmtWriter::VisitNullStmt(NullStmt *S) {
  74   VisitStmt(S);
  75   Record.AddSourceLocation(S->getSemiLoc());
  76   Record.push_back(S->HasLeadingEmptyMacro);
  77   Code = serialization::STMT_NULL;
  78 }
  79
  80 void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) {
  81   VisitStmt(S);
  82   Record.push_back(S->size());
  83   for (auto *CS : S->body())
  84     Record.AddStmt(CS);
  85   Record.AddSourceLocation(S->getLBracLoc());
  86   Record.AddSourceLocation(S->getRBracLoc());
  87   Code = serialization::STMT_COMPOUND;
  88 }
  89
  90 void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) {
  91   VisitStmt(S);
  92   Record.push_back(Writer.getSwitchCaseID(S));
  93   Record.AddSourceLocation(S->getKeywordLoc());
  94   Record.AddSourceLocation(S->getColonLoc());
  95 }
  96
  97 void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) {
  98   VisitSwitchCase(S);
  99   Record.AddStmt(S->getLHS());
 100   Record.AddStmt(S->getRHS());
 101   Record.AddStmt(S->getSubStmt());
 102   Record.AddSourceLocation(S->getEllipsisLoc());
 103   Code = serialization::STMT_CASE;
 104 }
 105
 106 void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) {
 107   VisitSwitchCase(S);
 108   Record.AddStmt(S->getSubStmt());
 109   Code = serialization::STMT_DEFAULT;
 110 }
 111
 112 void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) {
 113   VisitStmt(S);
 114   Record.AddDeclRef(S->getDecl());
 115   Record.AddStmt(S->getSubStmt());
 116   Record.AddSourceLocation(S->getIdentLoc());
 117   Code = serialization::STMT_LABEL;
 118 }
 119
 120 void ASTStmtWriter::VisitAttributedStmt(AttributedStmt *S) {
 121   VisitStmt(S);
 122   Record.push_back(S->getAttrs().size());
 123   Record.AddAttributes(S->getAttrs());
 124   Record.AddStmt(S->getSubStmt());
 125   Record.AddSourceLocation(S->getAttrLoc());
 126   Code = serialization::STMT_ATTRIBUTED;
 127 }
 128
 129 void ASTStmtWriter::VisitIfStmt(IfStmt *S) {
 130   VisitStmt(S);
 131   Record.push_back(S->isConstexpr());
 132   Record.AddStmt(S->getInit());
 133   Record.AddDeclRef(S->getConditionVariable());
 134   Record.AddStmt(S->getCond());
 135   Record.AddStmt(S->getThen());
 136   Record.AddStmt(S->getElse());
 137   Record.AddSourceLocation(S->getIfLoc());
 138   Record.AddSourceLocation(S->getElseLoc());
 139   Code = serialization::STMT_IF;
 140 }
 141
 142 void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) {
 143   VisitStmt(S);
 144   Record.AddStmt(S->getInit());
 145   Record.AddDeclRef(S->getConditionVariable());
 146   Record.AddStmt(S->getCond());
 147   Record.AddStmt(S->getBody());
 148   Record.AddSourceLocation(S->getSwitchLoc());
 149   Record.push_back(S->isAllEnumCasesCovered());
 150   for (SwitchCase *SC = S->getSwitchCaseList(); SC;
 151        SC = SC->getNextSwitchCase())
 152     Record.push_back(Writer.RecordSwitchCaseID(SC));
 153   Code = serialization::STMT_SWITCH;
 154 }
 155
 156 void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) {
 157   VisitStmt(S);
 158   Record.AddDeclRef(S->getConditionVariable());
 159   Record.AddStmt(S->getCond());
 160   Record.AddStmt(S->getBody());
 161   Record.AddSourceLocation(S->getWhileLoc());
 162   Code = serialization::STMT_WHILE;
 163 }
 164
 165 void ASTStmtWriter::VisitDoStmt(DoStmt *S) {
 166   VisitStmt(S);
 167   Record.AddStmt(S->getCond());
 168   Record.AddStmt(S->getBody());
 169   Record.AddSourceLocation(S->getDoLoc());
 170   Record.AddSourceLocation(S->getWhileLoc());
 171   Record.AddSourceLocation(S->getRParenLoc());
 172   Code = serialization::STMT_DO;
 173 }
 174
 175 void ASTStmtWriter::VisitForStmt(ForStmt *S) {
 176   VisitStmt(S);
 177   Record.AddStmt(S->getInit());
 178   Record.AddStmt(S->getCond());
 179   Record.AddDeclRef(S->getConditionVariable());
 180   Record.AddStmt(S->getInc());
 181   Record.AddStmt(S->getBody());
 182   Record.AddSourceLocation(S->getForLoc());
 183   Record.AddSourceLocation(S->getLParenLoc());
 184   Record.AddSourceLocation(S->getRParenLoc());
 185   Code = serialization::STMT_FOR;
 186 }
 187
 188 void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) {
 189   VisitStmt(S);
 190   Record.AddDeclRef(S->getLabel());
 191   Record.AddSourceLocation(S->getGotoLoc());
 192   Record.AddSourceLocation(S->getLabelLoc());
 193   Code = serialization::STMT_GOTO;
 194 }
 195
 196 void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
 197   VisitStmt(S);
 198   Record.AddSourceLocation(S->getGotoLoc());
 199   Record.AddSourceLocation(S->getStarLoc());
 200   Record.AddStmt(S->getTarget());
 201   Code = serialization::STMT_INDIRECT_GOTO;
 202 }
 203
 204 void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) {
 205   VisitStmt(S);
 206   Record.AddSourceLocation(S->getContinueLoc());
 207   Code = serialization::STMT_CONTINUE;
 208 }
 209
 210 void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) {
 211   VisitStmt(S);
 212   Record.AddSourceLocation(S->getBreakLoc());
 213   Code = serialization::STMT_BREAK;
 214 }
 215
 216 void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) {
 217   VisitStmt(S);
 218   Record.AddStmt(S->getRetValue());
 219   Record.AddSourceLocation(S->getReturnLoc());
 220   Record.AddDeclRef(S->getNRVOCandidate());
 221   Code = serialization::STMT_RETURN;
 222 }
 223
 224 void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) {
 225   VisitStmt(S);
 226   Record.AddSourceLocation(S->getStartLoc());
 227   Record.AddSourceLocation(S->getEndLoc());
 228   DeclGroupRef DG = S->getDeclGroup();
 229   for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D)
 230     Record.AddDeclRef(*D);
 231   Code = serialization::STMT_DECL;
 232 }
 233
 234 void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) {
 235   VisitStmt(S);
 236   Record.push_back(S->getNumOutputs());
 237   Record.push_back(S->getNumInputs());
 238   Record.push_back(S->getNumClobbers());
 239   Record.AddSourceLocation(S->getAsmLoc());
 240   Record.push_back(S->isVolatile());
 241   Record.push_back(S->isSimple());
 242 }
 243
 244 void ASTStmtWriter::VisitGCCAsmStmt(GCCAsmStmt *S) {
 245   VisitAsmStmt(S);
 246   Record.AddSourceLocation(S->getRParenLoc());
 247   Record.AddStmt(S->getAsmString());
 248
 249   // Outputs
 250   for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
 251     Record.AddIdentifierRef(S->getOutputIdentifier(I));
 252     Record.AddStmt(S->getOutputConstraintLiteral(I));
 253     Record.AddStmt(S->getOutputExpr(I));
 254   }
 255
 256   // Inputs
 257   for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
 258     Record.AddIdentifierRef(S->getInputIdentifier(I));
 259     Record.AddStmt(S->getInputConstraintLiteral(I));
 260     Record.AddStmt(S->getInputExpr(I));
 261   }
 262
 263   // Clobbers
 264   for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
 265     Record.AddStmt(S->getClobberStringLiteral(I));
 266
 267   Code = serialization::STMT_GCCASM;
 268 }
 269
 270 void ASTStmtWriter::VisitMSAsmStmt(MSAsmStmt *S) {
 271   VisitAsmStmt(S);
 272   Record.AddSourceLocation(S->getLBraceLoc());
 273   Record.AddSourceLocation(S->getEndLoc());
 274   Record.push_back(S->getNumAsmToks());
 275   Record.AddString(S->getAsmString());
 276
 277   // Tokens
 278   for (unsigned I = 0, N = S->getNumAsmToks(); I != N; ++I) {
 279     // FIXME: Move this to ASTRecordWriter?
 280     Writer.AddToken(S->getAsmToks()[I], Record.getRecordData());
 281   }
 282
 283   // Clobbers
 284   for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) {
 285     Record.AddString(S->getClobber(I));
 286   }
 287
 288   // Outputs
 289   for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
 290     Record.AddStmt(S->getOutputExpr(I));
 291     Record.AddString(S->getOutputConstraint(I));
 292   }
 293
 294   // Inputs
 295   for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
 296     Record.AddStmt(S->getInputExpr(I));
 297     Record.AddString(S->getInputConstraint(I));
 298   }
 299
 300   Code = serialization::STMT_MSASM;
 301 }
 302
 303 void ASTStmtWriter::VisitCoroutineBodyStmt(CoroutineBodyStmt *CoroStmt) {
 304   VisitStmt(CoroStmt);
 305   Record.push_back(CoroStmt->getParamMoves().size());
 306   for (Stmt *S : CoroStmt->children())
 307     Record.AddStmt(S);
 308   Code = serialization::STMT_COROUTINE_BODY;
 309 }
 310
 311 void ASTStmtWriter::VisitCoreturnStmt(CoreturnStmt *S) {
 312   VisitStmt(S);
 313   Record.AddSourceLocation(S->getKeywordLoc());
 314   Record.AddStmt(S->getOperand());
 315   Record.AddStmt(S->getPromiseCall());
 316   Record.push_back(S->isImplicit());
 317   Code = serialization::STMT_CORETURN;
 318 }
 319
 320 void ASTStmtWriter::VisitCoroutineSuspendExpr(CoroutineSuspendExpr *E) {
 321   VisitExpr(E);
 322   Record.AddSourceLocation(E->getKeywordLoc());
 323   for (Stmt *S : E->children())
 324     Record.AddStmt(S);
 325   Record.AddStmt(E->getOpaqueValue());
 326 }
 327
 328 void ASTStmtWriter::VisitCoawaitExpr(CoawaitExpr *E) {
 329   VisitCoroutineSuspendExpr(E);
 330   Record.push_back(E->isImplicit());
 331   Code = serialization::EXPR_COAWAIT;
 332 }
 333
 334 void ASTStmtWriter::VisitCoyieldExpr(CoyieldExpr *E) {
 335   VisitCoroutineSuspendExpr(E);
 336   Code = serialization::EXPR_COYIELD;
 337 }
 338
 339 void ASTStmtWriter::VisitDependentCoawaitExpr(DependentCoawaitExpr *E) {
 340   VisitExpr(E);
 341   Record.AddSourceLocation(E->getKeywordLoc());
 342   for (Stmt *S : E->children())
 343     Record.AddStmt(S);
 344   Code = serialization::EXPR_DEPENDENT_COAWAIT;
 345 }
 346
 347 void ASTStmtWriter::VisitCapturedStmt(CapturedStmt *S) {
 348   VisitStmt(S);
 349   // NumCaptures
 350   Record.push_back(std::distance(S->capture_begin(), S->capture_end()));
 351
 352   // CapturedDecl and captured region kind
 353   Record.AddDeclRef(S->getCapturedDecl());
 354   Record.push_back(S->getCapturedRegionKind());
 355
 356   Record.AddDeclRef(S->getCapturedRecordDecl());
 357
 358   // Capture inits
 359   for (auto *I : S->capture_inits())
 360     Record.AddStmt(I);
 361
 362   // Body
 363   Record.AddStmt(S->getCapturedStmt());
 364
 365   // Captures
 366   for (const auto &I : S->captures()) {
 367     if (I.capturesThis() || I.capturesVariableArrayType())
 368       Record.AddDeclRef(nullptr);
 369     else
 370       Record.AddDeclRef(I.getCapturedVar());
 371     Record.push_back(I.getCaptureKind());
 372     Record.AddSourceLocation(I.getLocation());
 373   }
 374
 375   Code = serialization::STMT_CAPTURED;
 376 }
 377
 378 void ASTStmtWriter::VisitExpr(Expr *E) {
 379   VisitStmt(E);
 380   Record.AddTypeRef(E->getType());
 381   Record.push_back(E->isTypeDependent());
 382   Record.push_back(E->isValueDependent());
 383   Record.push_back(E->isInstantiationDependent());
 384   Record.push_back(E->containsUnexpandedParameterPack());
 385   Record.push_back(E->getValueKind());
 386   Record.push_back(E->getObjectKind());
 387 }
 388
 389 void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) {
 390   VisitExpr(E);
 391   Record.AddSourceLocation(E->getLocation());
 392   Record.push_back(E->getIdentType()); // FIXME: stable encoding
 393   Record.AddStmt(E->getFunctionName());
 394   Code = serialization::EXPR_PREDEFINED;
 395 }
 396
 397 void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) {
 398   VisitExpr(E);
 399
 400   Record.push_back(E->hasQualifier());
 401   Record.push_back(E->getDecl() != E->getFoundDecl());
 402   Record.push_back(E->hasTemplateKWAndArgsInfo());
 403   Record.push_back(E->hadMultipleCandidates());
 404   Record.push_back(E->refersToEnclosingVariableOrCapture());
 405
 406   if (E->hasTemplateKWAndArgsInfo()) {
 407     unsigned NumTemplateArgs = E->getNumTemplateArgs();
 408     Record.push_back(NumTemplateArgs);
 409   }
 410
 411   DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind());
 412
 413   if ((!E->hasTemplateKWAndArgsInfo()) && (!E->hasQualifier()) &&
 414       (E->getDecl() == E->getFoundDecl()) &&
 415       nk == DeclarationName::Identifier) {
 416     AbbrevToUse = Writer.getDeclRefExprAbbrev();
 417   }
 418
 419   if (E->hasQualifier())
 420     Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
 421
 422   if (E->getDecl() != E->getFoundDecl())
 423     Record.AddDeclRef(E->getFoundDecl());
 424
 425   if (E->hasTemplateKWAndArgsInfo())
 426     AddTemplateKWAndArgsInfo(*E->getTrailingObjects<ASTTemplateKWAndArgsInfo>(),
 427                              E->getTrailingObjects<TemplateArgumentLoc>());
 428
 429   Record.AddDeclRef(E->getDecl());
 430   Record.AddSourceLocation(E->getLocation());
 431   Record.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName());
 432   Code = serialization::EXPR_DECL_REF;
 433 }
 434
 435 void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) {
 436   VisitExpr(E);
 437   Record.AddSourceLocation(E->getLocation());
 438   Record.AddAPInt(E->getValue());
 439
 440   if (E->getValue().getBitWidth() == 32) {
 441     AbbrevToUse = Writer.getIntegerLiteralAbbrev();
 442   }
 443
 444   Code = serialization::EXPR_INTEGER_LITERAL;
 445 }
 446
 447 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) {
 448   VisitExpr(E);
 449   Record.push_back(E->getRawSemantics());
 450   Record.push_back(E->isExact());
 451   Record.AddAPFloat(E->getValue());
 452   Record.AddSourceLocation(E->getLocation());
 453   Code = serialization::EXPR_FLOATING_LITERAL;
 454 }
 455
 456 void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) {
 457   VisitExpr(E);
 458   Record.AddStmt(E->getSubExpr());
 459   Code = serialization::EXPR_IMAGINARY_LITERAL;
 460 }
 461
 462 void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) {
 463   VisitExpr(E);
 464   Record.push_back(E->getByteLength());
 465   Record.push_back(E->getNumConcatenated());
 466   Record.push_back(E->getKind());
 467   Record.push_back(E->isPascal());
 468   // FIXME: String data should be stored as a blob at the end of the
 469   // StringLiteral. However, we can't do so now because we have no
 470   // provision for coping with abbreviations when we're jumping around
 471   // the AST file during deserialization.
 472   Record.append(E->getBytes().begin(), E->getBytes().end());
 473   for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
 474     Record.AddSourceLocation(E->getStrTokenLoc(I));
 475   Code = serialization::EXPR_STRING_LITERAL;
 476 }
 477
 478 void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) {
 479   VisitExpr(E);
 480   Record.push_back(E->getValue());
 481   Record.AddSourceLocation(E->getLocation());
 482   Record.push_back(E->getKind());
 483
 484   AbbrevToUse = Writer.getCharacterLiteralAbbrev();
 485
 486   Code = serialization::EXPR_CHARACTER_LITERAL;
 487 }
 488
 489 void ASTStmtWriter::VisitParenExpr(ParenExpr *E) {
 490   VisitExpr(E);
 491   Record.AddSourceLocation(E->getLParen());
 492   Record.AddSourceLocation(E->getRParen());
 493   Record.AddStmt(E->getSubExpr());
 494   Code = serialization::EXPR_PAREN;
 495 }
 496
 497 void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) {
 498   VisitExpr(E);
 499   Record.push_back(E->NumExprs);
 500   for (unsigned i=0; i != E->NumExprs; ++i)
 501     Record.AddStmt(E->Exprs[i]);
 502   Record.AddSourceLocation(E->LParenLoc);
 503   Record.AddSourceLocation(E->RParenLoc);
 504   Code = serialization::EXPR_PAREN_LIST;
 505 }
 506
 507 void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) {
 508   VisitExpr(E);
 509   Record.AddStmt(E->getSubExpr());
 510   Record.push_back(E->getOpcode()); // FIXME: stable encoding
 511   Record.AddSourceLocation(E->getOperatorLoc());
 512   Code = serialization::EXPR_UNARY_OPERATOR;
 513 }
 514
 515 void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) {
 516   VisitExpr(E);
 517   Record.push_back(E->getNumComponents());
 518   Record.push_back(E->getNumExpressions());
 519   Record.AddSourceLocation(E->getOperatorLoc());
 520   Record.AddSourceLocation(E->getRParenLoc());
 521   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
 522   for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
 523     const OffsetOfNode &ON = E->getComponent(I);
 524     Record.push_back(ON.getKind()); // FIXME: Stable encoding
 525     Record.AddSourceLocation(ON.getSourceRange().getBegin());
 526     Record.AddSourceLocation(ON.getSourceRange().getEnd());
 527     switch (ON.getKind()) {
 528     case OffsetOfNode::Array:
 529       Record.push_back(ON.getArrayExprIndex());
 530       break;
 531
 532     case OffsetOfNode::Field:
 533       Record.AddDeclRef(ON.getField());
 534       break;
 535
 536     case OffsetOfNode::Identifier:
 537       Record.AddIdentifierRef(ON.getFieldName());
 538       break;
 539
 540     case OffsetOfNode::Base:
 541       Record.AddCXXBaseSpecifier(*ON.getBase());
 542       break;
 543     }
 544   }
 545   for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
 546     Record.AddStmt(E->getIndexExpr(I));
 547   Code = serialization::EXPR_OFFSETOF;
 548 }
 549
 550 void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) {
 551   VisitExpr(E);
 552   Record.push_back(E->getKind());
 553   if (E->isArgumentType())
 554     Record.AddTypeSourceInfo(E->getArgumentTypeInfo());
 555   else {
 556     Record.push_back(0);
 557     Record.AddStmt(E->getArgumentExpr());
 558   }
 559   Record.AddSourceLocation(E->getOperatorLoc());
 560   Record.AddSourceLocation(E->getRParenLoc());
 561   Code = serialization::EXPR_SIZEOF_ALIGN_OF;
 562 }
 563
 564 void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
 565   VisitExpr(E);
 566   Record.AddStmt(E->getLHS());
 567   Record.AddStmt(E->getRHS());
 568   Record.AddSourceLocation(E->getRBracketLoc());
 569   Code = serialization::EXPR_ARRAY_SUBSCRIPT;
 570 }
 571
 572 void ASTStmtWriter::VisitOMPArraySectionExpr(OMPArraySectionExpr *E) {
 573   VisitExpr(E);
 574   Record.AddStmt(E->getBase());
 575   Record.AddStmt(E->getLowerBound());
 576   Record.AddStmt(E->getLength());
 577   Record.AddSourceLocation(E->getColonLoc());
 578   Record.AddSourceLocation(E->getRBracketLoc());
 579   Code = serialization::EXPR_OMP_ARRAY_SECTION;
 580 }
 581
 582 void ASTStmtWriter::VisitCallExpr(CallExpr *E) {
 583   VisitExpr(E);
 584   Record.push_back(E->getNumArgs());
 585   Record.AddSourceLocation(E->getRParenLoc());
 586   Record.AddStmt(E->getCallee());
 587   for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
 588        Arg != ArgEnd; ++Arg)
 589     Record.AddStmt(*Arg);
 590   Code = serialization::EXPR_CALL;
 591 }
 592
 593 void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) {
 594   // Don't call VisitExpr, we'll write everything here.
 595
 596   Record.push_back(E->hasQualifier());
 597   if (E->hasQualifier())
 598     Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
 599
 600   Record.push_back(E->HasTemplateKWAndArgsInfo);
 601   if (E->HasTemplateKWAndArgsInfo) {
 602     Record.AddSourceLocation(E->getTemplateKeywordLoc());
 603     unsigned NumTemplateArgs = E->getNumTemplateArgs();
 604     Record.push_back(NumTemplateArgs);
 605     Record.AddSourceLocation(E->getLAngleLoc());
 606     Record.AddSourceLocation(E->getRAngleLoc());
 607     for (unsigned i=0; i != NumTemplateArgs; ++i)
 608       Record.AddTemplateArgumentLoc(E->getTemplateArgs()[i]);
 609   }
 610
 611   Record.push_back(E->hadMultipleCandidates());
 612
 613   DeclAccessPair FoundDecl = E->getFoundDecl();
 614   Record.AddDeclRef(FoundDecl.getDecl());
 615   Record.push_back(FoundDecl.getAccess());
 616
 617   Record.AddTypeRef(E->getType());
 618   Record.push_back(E->getValueKind());
 619   Record.push_back(E->getObjectKind());
 620   Record.AddStmt(E->getBase());
 621   Record.AddDeclRef(E->getMemberDecl());
 622   Record.AddSourceLocation(E->getMemberLoc());
 623   Record.push_back(E->isArrow());
 624   Record.AddSourceLocation(E->getOperatorLoc());
 625   Record.AddDeclarationNameLoc(E->MemberDNLoc,
 626                                E->getMemberDecl()->getDeclName());
 627   Code = serialization::EXPR_MEMBER;
 628 }
 629
 630 void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) {
 631   VisitExpr(E);
 632   Record.AddStmt(E->getBase());
 633   Record.AddSourceLocation(E->getIsaMemberLoc());
 634   Record.AddSourceLocation(E->getOpLoc());
 635   Record.push_back(E->isArrow());
 636   Code = serialization::EXPR_OBJC_ISA;
 637 }
 638
 639 void ASTStmtWriter::
 640 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
 641   VisitExpr(E);
 642   Record.AddStmt(E->getSubExpr());
 643   Record.push_back(E->shouldCopy());
 644   Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE;
 645 }
 646
 647 void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
 648   VisitExplicitCastExpr(E);
 649   Record.AddSourceLocation(E->getLParenLoc());
 650   Record.AddSourceLocation(E->getBridgeKeywordLoc());
 651   Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding
 652   Code = serialization::EXPR_OBJC_BRIDGED_CAST;
 653 }
 654
 655 void ASTStmtWriter::VisitCastExpr(CastExpr *E) {
 656   VisitExpr(E);
 657   Record.push_back(E->path_size());
 658   Record.AddStmt(E->getSubExpr());
 659   Record.push_back(E->getCastKind()); // FIXME: stable encoding
 660
 661   for (CastExpr::path_iterator
 662          PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI)
 663     Record.AddCXXBaseSpecifier(**PI);
 664 }
 665
 666 void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) {
 667   VisitExpr(E);
 668   Record.AddStmt(E->getLHS());
 669   Record.AddStmt(E->getRHS());
 670   Record.push_back(E->getOpcode()); // FIXME: stable encoding
 671   Record.AddSourceLocation(E->getOperatorLoc());
 672   Record.push_back(E->getFPFeatures().getInt());
 673   Code = serialization::EXPR_BINARY_OPERATOR;
 674 }
 675
 676 void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
 677   VisitBinaryOperator(E);
 678   Record.AddTypeRef(E->getComputationLHSType());
 679   Record.AddTypeRef(E->getComputationResultType());
 680   Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR;
 681 }
 682
 683 void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) {
 684   VisitExpr(E);
 685   Record.AddStmt(E->getCond());
 686   Record.AddStmt(E->getLHS());
 687   Record.AddStmt(E->getRHS());
 688   Record.AddSourceLocation(E->getQuestionLoc());
 689   Record.AddSourceLocation(E->getColonLoc());
 690   Code = serialization::EXPR_CONDITIONAL_OPERATOR;
 691 }
 692
 693 void
 694 ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) {
 695   VisitExpr(E);
 696   Record.AddStmt(E->getOpaqueValue());
 697   Record.AddStmt(E->getCommon());
 698   Record.AddStmt(E->getCond());
 699   Record.AddStmt(E->getTrueExpr());
 700   Record.AddStmt(E->getFalseExpr());
 701   Record.AddSourceLocation(E->getQuestionLoc());
 702   Record.AddSourceLocation(E->getColonLoc());
 703   Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR;
 704 }
 705
 706 void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) {
 707   VisitCastExpr(E);
 708
 709   if (E->path_size() == 0)
 710     AbbrevToUse = Writer.getExprImplicitCastAbbrev();
 711
 712   Code = serialization::EXPR_IMPLICIT_CAST;
 713 }
 714
 715 void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
 716   VisitCastExpr(E);
 717   Record.AddTypeSourceInfo(E->getTypeInfoAsWritten());
 718 }
 719
 720 void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) {
 721   VisitExplicitCastExpr(E);
 722   Record.AddSourceLocation(E->getLParenLoc());
 723   Record.AddSourceLocation(E->getRParenLoc());
 724   Code = serialization::EXPR_CSTYLE_CAST;
 725 }
 726
 727 void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
 728   VisitExpr(E);
 729   Record.AddSourceLocation(E->getLParenLoc());
 730   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
 731   Record.AddStmt(E->getInitializer());
 732   Record.push_back(E->isFileScope());
 733   Code = serialization::EXPR_COMPOUND_LITERAL;
 734 }
 735
 736 void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
 737   VisitExpr(E);
 738   Record.AddStmt(E->getBase());
 739   Record.AddIdentifierRef(&E->getAccessor());
 740   Record.AddSourceLocation(E->getAccessorLoc());
 741   Code = serialization::EXPR_EXT_VECTOR_ELEMENT;
 742 }
 743
 744 void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) {
 745   VisitExpr(E);
 746   // NOTE: only add the (possibly null) syntactic form.
 747   // No need to serialize the isSemanticForm flag and the semantic form.
 748   Record.AddStmt(E->getSyntacticForm());
 749   Record.AddSourceLocation(E->getLBraceLoc());
 750   Record.AddSourceLocation(E->getRBraceLoc());
 751   bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>();
 752   Record.push_back(isArrayFiller);
 753   if (isArrayFiller)
 754     Record.AddStmt(E->getArrayFiller());
 755   else
 756     Record.AddDeclRef(E->getInitializedFieldInUnion());
 757   Record.push_back(E->hadArrayRangeDesignator());
 758   Record.push_back(E->getNumInits());
 759   if (isArrayFiller) {
 760     // ArrayFiller may have filled "holes" due to designated initializer.
 761     // Replace them by 0 to indicate that the filler goes in that place.
 762     Expr *filler = E->getArrayFiller();
 763     for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
 764       Record.AddStmt(E->getInit(I) != filler ? E->getInit(I) : nullptr);
 765   } else {
 766     for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
 767       Record.AddStmt(E->getInit(I));
 768   }
 769   Code = serialization::EXPR_INIT_LIST;
 770 }
 771
 772 void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
 773   VisitExpr(E);
 774   Record.push_back(E->getNumSubExprs());
 775   for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
 776     Record.AddStmt(E->getSubExpr(I));
 777   Record.AddSourceLocation(E->getEqualOrColonLoc());
 778   Record.push_back(E->usesGNUSyntax());
 779   for (const DesignatedInitExpr::Designator &D : E->designators()) {
 780     if (D.isFieldDesignator()) {
 781       if (FieldDecl *Field = D.getField()) {
 782         Record.push_back(serialization::DESIG_FIELD_DECL);
 783         Record.AddDeclRef(Field);
 784       } else {
 785         Record.push_back(serialization::DESIG_FIELD_NAME);
 786         Record.AddIdentifierRef(D.getFieldName());
 787       }
 788       Record.AddSourceLocation(D.getDotLoc());
 789       Record.AddSourceLocation(D.getFieldLoc());
 790     } else if (D.isArrayDesignator()) {
 791       Record.push_back(serialization::DESIG_ARRAY);
 792       Record.push_back(D.getFirstExprIndex());
 793       Record.AddSourceLocation(D.getLBracketLoc());
 794       Record.AddSourceLocation(D.getRBracketLoc());
 795     } else {
 796       assert(D.isArrayRangeDesignator() && "Unknown designator");
 797       Record.push_back(serialization::DESIG_ARRAY_RANGE);
 798       Record.push_back(D.getFirstExprIndex());
 799       Record.AddSourceLocation(D.getLBracketLoc());
 800       Record.AddSourceLocation(D.getEllipsisLoc());
 801       Record.AddSourceLocation(D.getRBracketLoc());
 802     }
 803   }
 804   Code = serialization::EXPR_DESIGNATED_INIT;
 805 }
 806
 807 void ASTStmtWriter::VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr *E) {
 808   VisitExpr(E);
 809   Record.AddStmt(E->getBase());
 810   Record.AddStmt(E->getUpdater());
 811   Code = serialization::EXPR_DESIGNATED_INIT_UPDATE;
 812 }
 813
 814 void ASTStmtWriter::VisitNoInitExpr(NoInitExpr *E) {
 815   VisitExpr(E);
 816   Code = serialization::EXPR_NO_INIT;
 817 }
 818
 819 void ASTStmtWriter::VisitArrayInitLoopExpr(ArrayInitLoopExpr *E) {
 820   VisitExpr(E);
 821   Record.AddStmt(E->SubExprs[0]);
 822   Record.AddStmt(E->SubExprs[1]);
 823   Code = serialization::EXPR_ARRAY_INIT_LOOP;
 824 }
 825
 826 void ASTStmtWriter::VisitArrayInitIndexExpr(ArrayInitIndexExpr *E) {
 827   VisitExpr(E);
 828   Code = serialization::EXPR_ARRAY_INIT_INDEX;
 829 }
 830
 831 void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
 832   VisitExpr(E);
 833   Code = serialization::EXPR_IMPLICIT_VALUE_INIT;
 834 }
 835
 836 void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) {
 837   VisitExpr(E);
 838   Record.AddStmt(E->getSubExpr());
 839   Record.AddTypeSourceInfo(E->getWrittenTypeInfo());
 840   Record.AddSourceLocation(E->getBuiltinLoc());
 841   Record.AddSourceLocation(E->getRParenLoc());
 842   Record.push_back(E->isMicrosoftABI());
 843   Code = serialization::EXPR_VA_ARG;
 844 }
 845
 846 void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) {
 847   VisitExpr(E);
 848   Record.AddSourceLocation(E->getAmpAmpLoc());
 849   Record.AddSourceLocation(E->getLabelLoc());
 850   Record.AddDeclRef(E->getLabel());
 851   Code = serialization::EXPR_ADDR_LABEL;
 852 }
 853
 854 void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) {
 855   VisitExpr(E);
 856   Record.AddStmt(E->getSubStmt());
 857   Record.AddSourceLocation(E->getLParenLoc());
 858   Record.AddSourceLocation(E->getRParenLoc());
 859   Code = serialization::EXPR_STMT;
 860 }
 861
 862 void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) {
 863   VisitExpr(E);
 864   Record.AddStmt(E->getCond());
 865   Record.AddStmt(E->getLHS());
 866   Record.AddStmt(E->getRHS());
 867   Record.AddSourceLocation(E->getBuiltinLoc());
 868   Record.AddSourceLocation(E->getRParenLoc());
 869   Record.push_back(E->isConditionDependent() ? false : E->isConditionTrue());
 870   Code = serialization::EXPR_CHOOSE;
 871 }
 872
 873 void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) {
 874   VisitExpr(E);
 875   Record.AddSourceLocation(E->getTokenLocation());
 876   Code = serialization::EXPR_GNU_NULL;
 877 }
 878
 879 void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
 880   VisitExpr(E);
 881   Record.push_back(E->getNumSubExprs());
 882   for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
 883     Record.AddStmt(E->getExpr(I));
 884   Record.AddSourceLocation(E->getBuiltinLoc());
 885   Record.AddSourceLocation(E->getRParenLoc());
 886   Code = serialization::EXPR_SHUFFLE_VECTOR;
 887 }
 888
 889 void ASTStmtWriter::VisitConvertVectorExpr(ConvertVectorExpr *E) {
 890   VisitExpr(E);
 891   Record.AddSourceLocation(E->getBuiltinLoc());
 892   Record.AddSourceLocation(E->getRParenLoc());
 893   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
 894   Record.AddStmt(E->getSrcExpr());
 895   Code = serialization::EXPR_CONVERT_VECTOR;
 896 }
 897
 898 void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) {
 899   VisitExpr(E);
 900   Record.AddDeclRef(E->getBlockDecl());
 901   Code = serialization::EXPR_BLOCK;
 902 }
 903
 904 void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) {
 905   VisitExpr(E);
 906   Record.push_back(E->getNumAssocs());
 907
 908   Record.AddStmt(E->getControllingExpr());
 909   for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) {
 910     Record.AddTypeSourceInfo(E->getAssocTypeSourceInfo(I));
 911     Record.AddStmt(E->getAssocExpr(I));
 912   }
 913   Record.push_back(E->isResultDependent() ? -1U : E->getResultIndex());
 914
 915   Record.AddSourceLocation(E->getGenericLoc());
 916   Record.AddSourceLocation(E->getDefaultLoc());
 917   Record.AddSourceLocation(E->getRParenLoc());
 918   Code = serialization::EXPR_GENERIC_SELECTION;
 919 }
 920
 921 void ASTStmtWriter::VisitPseudoObjectExpr(PseudoObjectExpr *E) {
 922   VisitExpr(E);
 923   Record.push_back(E->getNumSemanticExprs());
 924
 925   // Push the result index.  Currently, this needs to exactly match
 926   // the encoding used internally for ResultIndex.
 927   unsigned result = E->getResultExprIndex();
 928   result = (result == PseudoObjectExpr::NoResult ? 0 : result + 1);
 929   Record.push_back(result);
 930
 931   Record.AddStmt(E->getSyntacticForm());
 932   for (PseudoObjectExpr::semantics_iterator
 933          i = E->semantics_begin(), e = E->semantics_end(); i != e; ++i) {
 934     Record.AddStmt(*i);
 935   }
 936   Code = serialization::EXPR_PSEUDO_OBJECT;
 937 }
 938
 939 void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) {
 940   VisitExpr(E);
 941   Record.push_back(E->getOp());
 942   for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
 943     Record.AddStmt(E->getSubExprs()[I]);
 944   Record.AddSourceLocation(E->getBuiltinLoc());
 945   Record.AddSourceLocation(E->getRParenLoc());
 946   Code = serialization::EXPR_ATOMIC;
 947 }
 948
 949 //===----------------------------------------------------------------------===//
 950 // Objective-C Expressions and Statements.
 951 //===----------------------------------------------------------------------===//
 952
 953 void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) {
 954   VisitExpr(E);
 955   Record.AddStmt(E->getString());
 956   Record.AddSourceLocation(E->getAtLoc());
 957   Code = serialization::EXPR_OBJC_STRING_LITERAL;
 958 }
 959
 960 void ASTStmtWriter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
 961   VisitExpr(E);
 962   Record.AddStmt(E->getSubExpr());
 963   Record.AddDeclRef(E->getBoxingMethod());
 964   Record.AddSourceRange(E->getSourceRange());
 965   Code = serialization::EXPR_OBJC_BOXED_EXPRESSION;
 966 }
 967
 968 void ASTStmtWriter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
 969   VisitExpr(E);
 970   Record.push_back(E->getNumElements());
 971   for (unsigned i = 0; i < E->getNumElements(); i++)
 972     Record.AddStmt(E->getElement(i));
 973   Record.AddDeclRef(E->getArrayWithObjectsMethod());
 974   Record.AddSourceRange(E->getSourceRange());
 975   Code = serialization::EXPR_OBJC_ARRAY_LITERAL;
 976 }
 977
 978 void ASTStmtWriter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
 979   VisitExpr(E);
 980   Record.push_back(E->getNumElements());
 981   Record.push_back(E->HasPackExpansions);
 982   for (unsigned i = 0; i < E->getNumElements(); i++) {
 983     ObjCDictionaryElement Element = E->getKeyValueElement(i);
 984     Record.AddStmt(Element.Key);
 985     Record.AddStmt(Element.Value);
 986     if (E->HasPackExpansions) {
 987       Record.AddSourceLocation(Element.EllipsisLoc);
 988       unsigned NumExpansions = 0;
 989       if (Element.NumExpansions)
 990         NumExpansions = *Element.NumExpansions + 1;
 991       Record.push_back(NumExpansions);
 992     }
 993   }
 994
 995   Record.AddDeclRef(E->getDictWithObjectsMethod());
 996   Record.AddSourceRange(E->getSourceRange());
 997   Code = serialization::EXPR_OBJC_DICTIONARY_LITERAL;
 998 }
 999
1000 void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
1001   VisitExpr(E);
1002   Record.AddTypeSourceInfo(E->getEncodedTypeSourceInfo());
1003   Record.AddSourceLocation(E->getAtLoc());
1004   Record.AddSourceLocation(E->getRParenLoc());
1005   Code = serialization::EXPR_OBJC_ENCODE;
1006 }
1007
1008 void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
1009   VisitExpr(E);
1010   Record.AddSelectorRef(E->getSelector());
1011   Record.AddSourceLocation(E->getAtLoc());
1012   Record.AddSourceLocation(E->getRParenLoc());
1013   Code = serialization::EXPR_OBJC_SELECTOR_EXPR;
1014 }
1015
1016 void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
1017   VisitExpr(E);
1018   Record.AddDeclRef(E->getProtocol());
1019   Record.AddSourceLocation(E->getAtLoc());
1020   Record.AddSourceLocation(E->ProtoLoc);
1021   Record.AddSourceLocation(E->getRParenLoc());
1022   Code = serialization::EXPR_OBJC_PROTOCOL_EXPR;
1023 }
1024
1025 void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
1026   VisitExpr(E);
1027   Record.AddDeclRef(E->getDecl());
1028   Record.AddSourceLocation(E->getLocation());
1029   Record.AddSourceLocation(E->getOpLoc());
1030   Record.AddStmt(E->getBase());
1031   Record.push_back(E->isArrow());
1032   Record.push_back(E->isFreeIvar());
1033   Code = serialization::EXPR_OBJC_IVAR_REF_EXPR;
1034 }
1035
1036 void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
1037   VisitExpr(E);
1038   Record.push_back(E->SetterAndMethodRefFlags.getInt());
1039   Record.push_back(E->isImplicitProperty());
1040   if (E->isImplicitProperty()) {
1041     Record.AddDeclRef(E->getImplicitPropertyGetter());
1042     Record.AddDeclRef(E->getImplicitPropertySetter());
1043   } else {
1044     Record.AddDeclRef(E->getExplicitProperty());
1045   }
1046   Record.AddSourceLocation(E->getLocation());
1047   Record.AddSourceLocation(E->getReceiverLocation());
1048   if (E->isObjectReceiver()) {
1049     Record.push_back(0);
1050     Record.AddStmt(E->getBase());
1051   } else if (E->isSuperReceiver()) {
1052     Record.push_back(1);
1053     Record.AddTypeRef(E->getSuperReceiverType());
1054   } else {
1055     Record.push_back(2);
1056     Record.AddDeclRef(E->getClassReceiver());
1057   }
1058
1059   Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR;
1060 }
1061
1062 void ASTStmtWriter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) {
1063   VisitExpr(E);
1064   Record.AddSourceLocation(E->getRBracket());
1065   Record.AddStmt(E->getBaseExpr());
1066   Record.AddStmt(E->getKeyExpr());
1067   Record.AddDeclRef(E->getAtIndexMethodDecl());
1068   Record.AddDeclRef(E->setAtIndexMethodDecl());
1069
1070   Code = serialization::EXPR_OBJC_SUBSCRIPT_REF_EXPR;
1071 }
1072
1073 void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) {
1074   VisitExpr(E);
1075   Record.push_back(E->getNumArgs());
1076   Record.push_back(E->getNumStoredSelLocs());
1077   Record.push_back(E->SelLocsKind);
1078   Record.push_back(E->isDelegateInitCall());
1079   Record.push_back(E->IsImplicit);
1080   Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding
1081   switch (E->getReceiverKind()) {
1082   case ObjCMessageExpr::Instance:
1083     Record.AddStmt(E->getInstanceReceiver());
1084     break;
1085
1086   case ObjCMessageExpr::Class:
1087     Record.AddTypeSourceInfo(E->getClassReceiverTypeInfo());
1088     break;
1089
1090   case ObjCMessageExpr::SuperClass:
1091   case ObjCMessageExpr::SuperInstance:
1092     Record.AddTypeRef(E->getSuperType());
1093     Record.AddSourceLocation(E->getSuperLoc());
1094     break;
1095   }
1096
1097   if (E->getMethodDecl()) {
1098     Record.push_back(1);
1099     Record.AddDeclRef(E->getMethodDecl());
1100   } else {
1101     Record.push_back(0);
1102     Record.AddSelectorRef(E->getSelector());
1103   }
1104
1105   Record.AddSourceLocation(E->getLeftLoc());
1106   Record.AddSourceLocation(E->getRightLoc());
1107
1108   for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
1109        Arg != ArgEnd; ++Arg)
1110     Record.AddStmt(*Arg);
1111
1112   SourceLocation *Locs = E->getStoredSelLocs();
1113   for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i)
1114     Record.AddSourceLocation(Locs[i]);
1115
1116   Code = serialization::EXPR_OBJC_MESSAGE_EXPR;
1117 }
1118
1119 void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
1120   VisitStmt(S);
1121   Record.AddStmt(S->getElement());
1122   Record.AddStmt(S->getCollection());
1123   Record.AddStmt(S->getBody());
1124   Record.AddSourceLocation(S->getForLoc());
1125   Record.AddSourceLocation(S->getRParenLoc());
1126   Code = serialization::STMT_OBJC_FOR_COLLECTION;
1127 }
1128
1129 void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
1130   Record.AddStmt(S->getCatchBody());
1131   Record.AddDeclRef(S->getCatchParamDecl());
1132   Record.AddSourceLocation(S->getAtCatchLoc());
1133   Record.AddSourceLocation(S->getRParenLoc());
1134   Code = serialization::STMT_OBJC_CATCH;
1135 }
1136
1137 void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
1138   Record.AddStmt(S->getFinallyBody());
1139   Record.AddSourceLocation(S->getAtFinallyLoc());
1140   Code = serialization::STMT_OBJC_FINALLY;
1141 }
1142
1143 void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) {
1144   Record.AddStmt(S->getSubStmt());
1145   Record.AddSourceLocation(S->getAtLoc());
1146   Code = serialization::STMT_OBJC_AUTORELEASE_POOL;
1147 }
1148
1149 void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
1150   Record.push_back(S->getNumCatchStmts());
1151   Record.push_back(S->getFinallyStmt() != nullptr);
1152   Record.AddStmt(S->getTryBody());
1153   for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
1154     Record.AddStmt(S->getCatchStmt(I));
1155   if (S->getFinallyStmt())
1156     Record.AddStmt(S->getFinallyStmt());
1157   Record.AddSourceLocation(S->getAtTryLoc());
1158   Code = serialization::STMT_OBJC_AT_TRY;
1159 }
1160
1161 void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
1162   Record.AddStmt(S->getSynchExpr());
1163   Record.AddStmt(S->getSynchBody());
1164   Record.AddSourceLocation(S->getAtSynchronizedLoc());
1165   Code = serialization::STMT_OBJC_AT_SYNCHRONIZED;
1166 }
1167
1168 void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
1169   Record.AddStmt(S->getThrowExpr());
1170   Record.AddSourceLocation(S->getThrowLoc());
1171   Code = serialization::STMT_OBJC_AT_THROW;
1172 }
1173
1174 void ASTStmtWriter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) {
1175   VisitExpr(E);
1176   Record.push_back(E->getValue());
1177   Record.AddSourceLocation(E->getLocation());
1178   Code = serialization::EXPR_OBJC_BOOL_LITERAL;
1179 }
1180
1181 void ASTStmtWriter::VisitObjCAvailabilityCheckExpr(ObjCAvailabilityCheckExpr *E) {
1182   VisitExpr(E);
1183   Record.AddSourceRange(E->getSourceRange());
1184   Record.AddVersionTuple(E->getVersion());
1185   Code = serialization::EXPR_OBJC_AVAILABILITY_CHECK;
1186 }
1187
1188 //===----------------------------------------------------------------------===//
1189 // C++ Expressions and Statements.
1190 //===----------------------------------------------------------------------===//
1191
1192 void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) {
1193   VisitStmt(S);
1194   Record.AddSourceLocation(S->getCatchLoc());
1195   Record.AddDeclRef(S->getExceptionDecl());
1196   Record.AddStmt(S->getHandlerBlock());
1197   Code = serialization::STMT_CXX_CATCH;
1198 }
1199
1200 void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) {
1201   VisitStmt(S);
1202   Record.push_back(S->getNumHandlers());
1203   Record.AddSourceLocation(S->getTryLoc());
1204   Record.AddStmt(S->getTryBlock());
1205   for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
1206     Record.AddStmt(S->getHandler(i));
1207   Code = serialization::STMT_CXX_TRY;
1208 }
1209
1210 void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
1211   VisitStmt(S);
1212   Record.AddSourceLocation(S->getForLoc());
1213   Record.AddSourceLocation(S->getCoawaitLoc());
1214   Record.AddSourceLocation(S->getColonLoc());
1215   Record.AddSourceLocation(S->getRParenLoc());
1216   Record.AddStmt(S->getRangeStmt());
1217   Record.AddStmt(S->getBeginStmt());
1218   Record.AddStmt(S->getEndStmt());
1219   Record.AddStmt(S->getCond());
1220   Record.AddStmt(S->getInc());
1221   Record.AddStmt(S->getLoopVarStmt());
1222   Record.AddStmt(S->getBody());
1223   Code = serialization::STMT_CXX_FOR_RANGE;
1224 }
1225
1226 void ASTStmtWriter::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) {
1227   VisitStmt(S);
1228   Record.AddSourceLocation(S->getKeywordLoc());
1229   Record.push_back(S->isIfExists());
1230   Record.AddNestedNameSpecifierLoc(S->getQualifierLoc());
1231   Record.AddDeclarationNameInfo(S->getNameInfo());
1232   Record.AddStmt(S->getSubStmt());
1233   Code = serialization::STMT_MS_DEPENDENT_EXISTS;
1234 }
1235
1236 void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
1237   VisitCallExpr(E);
1238   Record.push_back(E->getOperator());
1239   Record.AddSourceRange(E->Range);
1240   Record.push_back(E->getFPFeatures().getInt());
1241   Code = serialization::EXPR_CXX_OPERATOR_CALL;
1242 }
1243
1244 void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
1245   VisitCallExpr(E);
1246   Code = serialization::EXPR_CXX_MEMBER_CALL;
1247 }
1248
1249 void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1250   VisitExpr(E);
1251   Record.push_back(E->getNumArgs());
1252   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1253     Record.AddStmt(E->getArg(I));
1254   Record.AddDeclRef(E->getConstructor());
1255   Record.AddSourceLocation(E->getLocation());
1256   Record.push_back(E->isElidable());
1257   Record.push_back(E->hadMultipleCandidates());
1258   Record.push_back(E->isListInitialization());
1259   Record.push_back(E->isStdInitListInitialization());
1260   Record.push_back(E->requiresZeroInitialization());
1261   Record.push_back(E->getConstructionKind()); // FIXME: stable encoding
1262   Record.AddSourceRange(E->getParenOrBraceRange());
1263   Code = serialization::EXPR_CXX_CONSTRUCT;
1264 }
1265
1266 void ASTStmtWriter::VisitCXXInheritedCtorInitExpr(CXXInheritedCtorInitExpr *E) {
1267   VisitExpr(E);
1268   Record.AddDeclRef(E->getConstructor());
1269   Record.AddSourceLocation(E->getLocation());
1270   Record.push_back(E->constructsVBase());
1271   Record.push_back(E->inheritedFromVBase());
1272   Code = serialization::EXPR_CXX_INHERITED_CTOR_INIT;
1273 }
1274
1275 void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
1276   VisitCXXConstructExpr(E);
1277   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
1278   Code = serialization::EXPR_CXX_TEMPORARY_OBJECT;
1279 }
1280
1281 void ASTStmtWriter::VisitLambdaExpr(LambdaExpr *E) {
1282   VisitExpr(E);
1283   Record.push_back(E->NumCaptures);
1284   Record.AddSourceRange(E->IntroducerRange);
1285   Record.push_back(E->CaptureDefault); // FIXME: stable encoding
1286   Record.AddSourceLocation(E->CaptureDefaultLoc);
1287   Record.push_back(E->ExplicitParams);
1288   Record.push_back(E->ExplicitResultType);
1289   Record.AddSourceLocation(E->ClosingBrace);
1290
1291   // Add capture initializers.
1292   for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(),
1293                                       CEnd = E->capture_init_end();
1294        C != CEnd; ++C) {
1295     Record.AddStmt(*C);
1296   }
1297
1298   Code = serialization::EXPR_LAMBDA;
1299 }
1300
1301 void ASTStmtWriter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
1302   VisitExpr(E);
1303   Record.AddStmt(E->getSubExpr());
1304   Code = serialization::EXPR_CXX_STD_INITIALIZER_LIST;
1305 }
1306
1307 void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
1308   VisitExplicitCastExpr(E);
1309   Record.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()));
1310   Record.AddSourceRange(E->getAngleBrackets());
1311 }
1312
1313 void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
1314   VisitCXXNamedCastExpr(E);
1315   Code = serialization::EXPR_CXX_STATIC_CAST;
1316 }
1317
1318 void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
1319   VisitCXXNamedCastExpr(E);
1320   Code = serialization::EXPR_CXX_DYNAMIC_CAST;
1321 }
1322
1323 void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
1324   VisitCXXNamedCastExpr(E);
1325   Code = serialization::EXPR_CXX_REINTERPRET_CAST;
1326 }
1327
1328 void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
1329   VisitCXXNamedCastExpr(E);
1330   Code = serialization::EXPR_CXX_CONST_CAST;
1331 }
1332
1333 void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
1334   VisitExplicitCastExpr(E);
1335   Record.AddSourceLocation(E->getLParenLoc());
1336   Record.AddSourceLocation(E->getRParenLoc());
1337   Code = serialization::EXPR_CXX_FUNCTIONAL_CAST;
1338 }
1339
1340 void ASTStmtWriter::VisitUserDefinedLiteral(UserDefinedLiteral *E) {
1341   VisitCallExpr(E);
1342   Record.AddSourceLocation(E->UDSuffixLoc);
1343   Code = serialization::EXPR_USER_DEFINED_LITERAL;
1344 }
1345
1346 void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
1347   VisitExpr(E);
1348   Record.push_back(E->getValue());
1349   Record.AddSourceLocation(E->getLocation());
1350   Code = serialization::EXPR_CXX_BOOL_LITERAL;
1351 }
1352
1353 void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
1354   VisitExpr(E);
1355   Record.AddSourceLocation(E->getLocation());
1356   Code = serialization::EXPR_CXX_NULL_PTR_LITERAL;
1357 }
1358
1359 void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
1360   VisitExpr(E);
1361   Record.AddSourceRange(E->getSourceRange());
1362   if (E->isTypeOperand()) {
1363     Record.AddTypeSourceInfo(E->getTypeOperandSourceInfo());
1364     Code = serialization::EXPR_CXX_TYPEID_TYPE;
1365   } else {
1366     Record.AddStmt(E->getExprOperand());
1367     Code = serialization::EXPR_CXX_TYPEID_EXPR;
1368   }
1369 }
1370
1371 void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) {
1372   VisitExpr(E);
1373   Record.AddSourceLocation(E->getLocation());
1374   Record.push_back(E->isImplicit());
1375   Code = serialization::EXPR_CXX_THIS;
1376 }
1377
1378 void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) {
1379   VisitExpr(E);
1380   Record.AddSourceLocation(E->getThrowLoc());
1381   Record.AddStmt(E->getSubExpr());
1382   Record.push_back(E->isThrownVariableInScope());
1383   Code = serialization::EXPR_CXX_THROW;
1384 }
1385
1386 void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
1387   VisitExpr(E);
1388   Record.AddDeclRef(E->getParam());
1389   Record.AddSourceLocation(E->getUsedLocation());
1390   Code = serialization::EXPR_CXX_DEFAULT_ARG;
1391 }
1392
1393 void ASTStmtWriter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
1394   VisitExpr(E);
1395   Record.AddDeclRef(E->getField());
1396   Record.AddSourceLocation(E->getExprLoc());
1397   Code = serialization::EXPR_CXX_DEFAULT_INIT;
1398 }
1399
1400 void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
1401   VisitExpr(E);
1402   Record.AddCXXTemporary(E->getTemporary());
1403   Record.AddStmt(E->getSubExpr());
1404   Code = serialization::EXPR_CXX_BIND_TEMPORARY;
1405 }
1406
1407 void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
1408   VisitExpr(E);
1409   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
1410   Record.AddSourceLocation(E->getRParenLoc());
1411   Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT;
1412 }
1413
1414 void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) {
1415   VisitExpr(E);
1416   Record.push_back(E->isGlobalNew());
1417   Record.push_back(E->isArray());
1418   Record.push_back(E->passAlignment());
1419   Record.push_back(E->doesUsualArrayDeleteWantSize());
1420   Record.push_back(E->getNumPlacementArgs());
1421   Record.push_back(E->StoredInitializationStyle);
1422   Record.AddDeclRef(E->getOperatorNew());
1423   Record.AddDeclRef(E->getOperatorDelete());
1424   Record.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo());
1425   Record.AddSourceRange(E->getTypeIdParens());
1426   Record.AddSourceRange(E->getSourceRange());
1427   Record.AddSourceRange(E->getDirectInitRange());
1428   for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end();
1429        I != e; ++I)
1430     Record.AddStmt(*I);
1431
1432   Code = serialization::EXPR_CXX_NEW;
1433 }
1434
1435 void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1436   VisitExpr(E);
1437   Record.push_back(E->isGlobalDelete());
1438   Record.push_back(E->isArrayForm());
1439   Record.push_back(E->isArrayFormAsWritten());
1440   Record.push_back(E->doesUsualArrayDeleteWantSize());
1441   Record.AddDeclRef(E->getOperatorDelete());
1442   Record.AddStmt(E->getArgument());
1443   Record.AddSourceLocation(E->getSourceRange().getBegin());
1444
1445   Code = serialization::EXPR_CXX_DELETE;
1446 }
1447
1448 void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1449   VisitExpr(E);
1450
1451   Record.AddStmt(E->getBase());
1452   Record.push_back(E->isArrow());
1453   Record.AddSourceLocation(E->getOperatorLoc());
1454   Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
1455   Record.AddTypeSourceInfo(E->getScopeTypeInfo());
1456   Record.AddSourceLocation(E->getColonColonLoc());
1457   Record.AddSourceLocation(E->getTildeLoc());
1458
1459   // PseudoDestructorTypeStorage.
1460   Record.AddIdentifierRef(E->getDestroyedTypeIdentifier());
1461   if (E->getDestroyedTypeIdentifier())
1462     Record.AddSourceLocation(E->getDestroyedTypeLoc());
1463   else
1464     Record.AddTypeSourceInfo(E->getDestroyedTypeInfo());
1465
1466   Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR;
1467 }
1468
1469 void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) {
1470   VisitExpr(E);
1471   Record.push_back(E->getNumObjects());
1472   for (unsigned i = 0, e = E->getNumObjects(); i != e; ++i)
1473     Record.AddDeclRef(E->getObject(i));
1474
1475   Record.push_back(E->cleanupsHaveSideEffects());
1476   Record.AddStmt(E->getSubExpr());
1477   Code = serialization::EXPR_EXPR_WITH_CLEANUPS;
1478 }
1479
1480 void
1481 ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
1482   VisitExpr(E);
1483
1484   // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1485   // emitted first.
1486
1487   Record.push_back(E->HasTemplateKWAndArgsInfo);
1488   if (E->HasTemplateKWAndArgsInfo) {
1489     const ASTTemplateKWAndArgsInfo &ArgInfo =
1490         *E->getTrailingObjects<ASTTemplateKWAndArgsInfo>();
1491     Record.push_back(ArgInfo.NumTemplateArgs);
1492     AddTemplateKWAndArgsInfo(ArgInfo,
1493                              E->getTrailingObjects<TemplateArgumentLoc>());
1494   }
1495
1496   if (!E->isImplicitAccess())
1497     Record.AddStmt(E->getBase());
1498   else
1499     Record.AddStmt(nullptr);
1500   Record.AddTypeRef(E->getBaseType());
1501   Record.push_back(E->isArrow());
1502   Record.AddSourceLocation(E->getOperatorLoc());
1503   Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
1504   Record.AddDeclRef(E->getFirstQualifierFoundInScope());
1505   Record.AddDeclarationNameInfo(E->MemberNameInfo);
1506   Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER;
1507 }
1508
1509 void
1510 ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
1511   VisitExpr(E);
1512
1513   // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1514   // emitted first.
1515
1516   Record.push_back(E->HasTemplateKWAndArgsInfo);
1517   if (E->HasTemplateKWAndArgsInfo) {
1518     const ASTTemplateKWAndArgsInfo &ArgInfo =
1519         *E->getTrailingObjects<ASTTemplateKWAndArgsInfo>();
1520     Record.push_back(ArgInfo.NumTemplateArgs);
1521     AddTemplateKWAndArgsInfo(ArgInfo,
1522                              E->getTrailingObjects<TemplateArgumentLoc>());
1523   }
1524
1525   Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
1526   Record.AddDeclarationNameInfo(E->NameInfo);
1527   Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF;
1528 }
1529
1530 void
1531 ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
1532   VisitExpr(E);
1533   Record.push_back(E->arg_size());
1534   for (CXXUnresolvedConstructExpr::arg_iterator
1535          ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI)
1536     Record.AddStmt(*ArgI);
1537   Record.AddTypeSourceInfo(E->getTypeSourceInfo());
1538   Record.AddSourceLocation(E->getLParenLoc());
1539   Record.AddSourceLocation(E->getRParenLoc());
1540   Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT;
1541 }
1542
1543 void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) {
1544   VisitExpr(E);
1545
1546   // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1547   // emitted first.
1548
1549   Record.push_back(E->HasTemplateKWAndArgsInfo);
1550   if (E->HasTemplateKWAndArgsInfo) {
1551     const ASTTemplateKWAndArgsInfo &ArgInfo =
1552         *E->getTrailingASTTemplateKWAndArgsInfo();
1553     Record.push_back(ArgInfo.NumTemplateArgs);
1554     AddTemplateKWAndArgsInfo(ArgInfo, E->getTrailingTemplateArgumentLoc());
1555   }
1556
1557   Record.push_back(E->getNumDecls());
1558   for (OverloadExpr::decls_iterator
1559          OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) {
1560     Record.AddDeclRef(OvI.getDecl());
1561     Record.push_back(OvI.getAccess());
1562   }
1563
1564   Record.AddDeclarationNameInfo(E->NameInfo);
1565   Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
1566 }
1567
1568 void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
1569   VisitOverloadExpr(E);
1570   Record.push_back(E->isArrow());
1571   Record.push_back(E->hasUnresolvedUsing());
1572   Record.AddStmt(!E->isImplicitAccess() ? E->getBase() : nullptr);
1573   Record.AddTypeRef(E->getBaseType());
1574   Record.AddSourceLocation(E->getOperatorLoc());
1575   Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER;
1576 }
1577
1578 void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
1579   VisitOverloadExpr(E);
1580   Record.push_back(E->requiresADL());
1581   Record.push_back(E->isOverloaded());
1582   Record.AddDeclRef(E->getNamingClass());
1583   Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP;
1584 }
1585
1586 void ASTStmtWriter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1587   VisitExpr(E);
1588   Record.push_back(E->TypeTraitExprBits.NumArgs);
1589   Record.push_back(E->TypeTraitExprBits.Kind); // FIXME: Stable encoding
1590   Record.push_back(E->TypeTraitExprBits.Value);
1591   Record.AddSourceRange(E->getSourceRange());
1592   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1593     Record.AddTypeSourceInfo(E->getArg(I));
1594   Code = serialization::EXPR_TYPE_TRAIT;
1595 }
1596
1597 void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1598   VisitExpr(E);
1599   Record.push_back(E->getTrait());
1600   Record.push_back(E->getValue());
1601   Record.AddSourceRange(E->getSourceRange());
1602   Record.AddTypeSourceInfo(E->getQueriedTypeSourceInfo());
1603   Record.AddStmt(E->getDimensionExpression());
1604   Code = serialization::EXPR_ARRAY_TYPE_TRAIT;
1605 }
1606
1607 void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1608   VisitExpr(E);
1609   Record.push_back(E->getTrait());
1610   Record.push_back(E->getValue());
1611   Record.AddSourceRange(E->getSourceRange());
1612   Record.AddStmt(E->getQueriedExpression());
1613   Code = serialization::EXPR_CXX_EXPRESSION_TRAIT;
1614 }
1615
1616 void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1617   VisitExpr(E);
1618   Record.push_back(E->getValue());
1619   Record.AddSourceRange(E->getSourceRange());
1620   Record.AddStmt(E->getOperand());
1621   Code = serialization::EXPR_CXX_NOEXCEPT;
1622 }
1623
1624 void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1625   VisitExpr(E);
1626   Record.AddSourceLocation(E->getEllipsisLoc());
1627   Record.push_back(E->NumExpansions);
1628   Record.AddStmt(E->getPattern());
1629   Code = serialization::EXPR_PACK_EXPANSION;
1630 }
1631
1632 void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1633   VisitExpr(E);
1634   Record.push_back(E->isPartiallySubstituted() ? E->getPartialArguments().size()
1635                                                : 0);
1636   Record.AddSourceLocation(E->OperatorLoc);
1637   Record.AddSourceLocation(E->PackLoc);
1638   Record.AddSourceLocation(E->RParenLoc);
1639   Record.AddDeclRef(E->Pack);
1640   if (E->isPartiallySubstituted()) {
1641     for (const auto &TA : E->getPartialArguments())
1642       Record.AddTemplateArgument(TA);
1643   } else if (!E->isValueDependent()) {
1644     Record.push_back(E->getPackLength());
1645   }
1646   Code = serialization::EXPR_SIZEOF_PACK;
1647 }
1648
1649 void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr(
1650                                               SubstNonTypeTemplateParmExpr *E) {
1651   VisitExpr(E);
1652   Record.AddDeclRef(E->getParameter());
1653   Record.AddSourceLocation(E->getNameLoc());
1654   Record.AddStmt(E->getReplacement());
1655   Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM;
1656 }
1657
1658 void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr(
1659                                           SubstNonTypeTemplateParmPackExpr *E) {
1660   VisitExpr(E);
1661   Record.AddDeclRef(E->getParameterPack());
1662   Record.AddTemplateArgument(E->getArgumentPack());
1663   Record.AddSourceLocation(E->getParameterPackLocation());
1664   Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK;
1665 }
1666
1667 void ASTStmtWriter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
1668   VisitExpr(E);
1669   Record.push_back(E->getNumExpansions());
1670   Record.AddDeclRef(E->getParameterPack());
1671   Record.AddSourceLocation(E->getParameterPackLocation());
1672   for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end();
1673        I != End; ++I)
1674     Record.AddDeclRef(*I);
1675   Code = serialization::EXPR_FUNCTION_PARM_PACK;
1676 }
1677
1678 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
1679   VisitExpr(E);
1680   Record.AddStmt(E->getTemporary());
1681   Record.AddDeclRef(E->getExtendingDecl());
1682   Record.push_back(E->getManglingNumber());
1683   Code = serialization::EXPR_MATERIALIZE_TEMPORARY;
1684 }
1685
1686 void ASTStmtWriter::VisitCXXFoldExpr(CXXFoldExpr *E) {
1687   VisitExpr(E);
1688   Record.AddSourceLocation(E->LParenLoc);
1689   Record.AddSourceLocation(E->EllipsisLoc);
1690   Record.AddSourceLocation(E->RParenLoc);
1691   Record.AddStmt(E->SubExprs[0]);
1692   Record.AddStmt(E->SubExprs[1]);
1693   Record.push_back(E->Opcode);
1694   Code = serialization::EXPR_CXX_FOLD;
1695 }
1696
1697 void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
1698   VisitExpr(E);
1699   Record.AddStmt(E->getSourceExpr());
1700   Record.AddSourceLocation(E->getLocation());
1701   Code = serialization::EXPR_OPAQUE_VALUE;
1702 }
1703
1704 void ASTStmtWriter::VisitTypoExpr(TypoExpr *E) {
1705   VisitExpr(E);
1706   // TODO: Figure out sane writer behavior for a TypoExpr, if necessary
1707   llvm_unreachable("Cannot write TypoExpr nodes");
1708 }
1709
1710 //===----------------------------------------------------------------------===//
1711 // CUDA Expressions and Statements.
1712 //===----------------------------------------------------------------------===//
1713
1714 void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) {
1715   VisitCallExpr(E);
1716   Record.AddStmt(E->getConfig());
1717   Code = serialization::EXPR_CUDA_KERNEL_CALL;
1718 }
1719
1720 //===----------------------------------------------------------------------===//
1721 // OpenCL Expressions and Statements.
1722 //===----------------------------------------------------------------------===//
1723 void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) {
1724   VisitExpr(E);
1725   Record.AddSourceLocation(E->getBuiltinLoc());
1726   Record.AddSourceLocation(E->getRParenLoc());
1727   Record.AddStmt(E->getSrcExpr());
1728   Code = serialization::EXPR_ASTYPE;
1729 }
1730
1731 //===----------------------------------------------------------------------===//
1732 // Microsoft Expressions and Statements.
1733 //===----------------------------------------------------------------------===//
1734 void ASTStmtWriter::VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
1735   VisitExpr(E);
1736   Record.push_back(E->isArrow());
1737   Record.AddStmt(E->getBaseExpr());
1738   Record.AddNestedNameSpecifierLoc(E->getQualifierLoc());
1739   Record.AddSourceLocation(E->getMemberLoc());
1740   Record.AddDeclRef(E->getPropertyDecl());
1741   Code = serialization::EXPR_CXX_PROPERTY_REF_EXPR;
1742 }
1743
1744 void ASTStmtWriter::VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr *E) {
1745   VisitExpr(E);
1746   Record.AddStmt(E->getBase());
1747   Record.AddStmt(E->getIdx());
1748   Record.AddSourceLocation(E->getRBracketLoc());
1749   Code = serialization::EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR;
1750 }
1751
1752 void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
1753   VisitExpr(E);
1754   Record.AddSourceRange(E->getSourceRange());
1755   Record.AddString(E->getUuidStr());
1756   if (E->isTypeOperand()) {
1757     Record.AddTypeSourceInfo(E->getTypeOperandSourceInfo());
1758     Code = serialization::EXPR_CXX_UUIDOF_TYPE;
1759   } else {
1760     Record.AddStmt(E->getExprOperand());
1761     Code = serialization::EXPR_CXX_UUIDOF_EXPR;
1762   }
1763 }
1764
1765 void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) {
1766   VisitStmt(S);
1767   Record.AddSourceLocation(S->getExceptLoc());
1768   Record.AddStmt(S->getFilterExpr());
1769   Record.AddStmt(S->getBlock());
1770   Code = serialization::STMT_SEH_EXCEPT;
1771 }
1772
1773 void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) {
1774   VisitStmt(S);
1775   Record.AddSourceLocation(S->getFinallyLoc());
1776   Record.AddStmt(S->getBlock());
1777   Code = serialization::STMT_SEH_FINALLY;
1778 }
1779
1780 void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) {
1781   VisitStmt(S);
1782   Record.push_back(S->getIsCXXTry());
1783   Record.AddSourceLocation(S->getTryLoc());
1784   Record.AddStmt(S->getTryBlock());
1785   Record.AddStmt(S->getHandler());
1786   Code = serialization::STMT_SEH_TRY;
1787 }
1788
1789 void ASTStmtWriter::VisitSEHLeaveStmt(SEHLeaveStmt *S) {
1790   VisitStmt(S);
1791   Record.AddSourceLocation(S->getLeaveLoc());
1792   Code = serialization::STMT_SEH_LEAVE;
1793 }
1794
1795 //===----------------------------------------------------------------------===//
1796 // OpenMP Clauses.
1797 //===----------------------------------------------------------------------===//
1798
1799 namespace clang {
1800 class OMPClauseWriter : public OMPClauseVisitor<OMPClauseWriter> {
1801   ASTRecordWriter &Record;
1802 public:
1803   OMPClauseWriter(ASTRecordWriter &Record) : Record(Record) {}
1804 #define OPENMP_CLAUSE(Name, Class)    \
1805   void Visit##Class(Class *S);
1806 #include "clang/Basic/OpenMPKinds.def"
1807   void writeClause(OMPClause *C);
1808   void VisitOMPClauseWithPreInit(OMPClauseWithPreInit *C);
1809   void VisitOMPClauseWithPostUpdate(OMPClauseWithPostUpdate *C);
1810 };
1811 }
1812
1813 void OMPClauseWriter::writeClause(OMPClause *C) {
1814   Record.push_back(C->getClauseKind());
1815   Visit(C);
1816   Record.AddSourceLocation(C->getLocStart());
1817   Record.AddSourceLocation(C->getLocEnd());
1818 }
1819
1820 void OMPClauseWriter::VisitOMPClauseWithPreInit(OMPClauseWithPreInit *C) {
1821   Record.push_back(C->getCaptureRegion());
1822   Record.AddStmt(C->getPreInitStmt());
1823 }
1824
1825 void OMPClauseWriter::VisitOMPClauseWithPostUpdate(OMPClauseWithPostUpdate *C) {
1826   VisitOMPClauseWithPreInit(C);
1827   Record.AddStmt(C->getPostUpdateExpr());
1828 }
1829
1830 void OMPClauseWriter::VisitOMPIfClause(OMPIfClause *C) {
1831   VisitOMPClauseWithPreInit(C);
1832   Record.push_back(C->getNameModifier());
1833   Record.AddSourceLocation(C->getNameModifierLoc());
1834   Record.AddSourceLocation(C->getColonLoc());
1835   Record.AddStmt(C->getCondition());
1836   Record.AddSourceLocation(C->getLParenLoc());
1837 }
1838
1839 void OMPClauseWriter::VisitOMPFinalClause(OMPFinalClause *C) {
1840   Record.AddStmt(C->getCondition());
1841   Record.AddSourceLocation(C->getLParenLoc());
1842 }
1843
1844 void OMPClauseWriter::VisitOMPNumThreadsClause(OMPNumThreadsClause *C) {
1845   VisitOMPClauseWithPreInit(C);
1846   Record.AddStmt(C->getNumThreads());
1847   Record.AddSourceLocation(C->getLParenLoc());
1848 }
1849
1850 void OMPClauseWriter::VisitOMPSafelenClause(OMPSafelenClause *C) {
1851   Record.AddStmt(C->getSafelen());
1852   Record.AddSourceLocation(C->getLParenLoc());
1853 }
1854
1855 void OMPClauseWriter::VisitOMPSimdlenClause(OMPSimdlenClause *C) {
1856   Record.AddStmt(C->getSimdlen());
1857   Record.AddSourceLocation(C->getLParenLoc());
1858 }
1859
1860 void OMPClauseWriter::VisitOMPCollapseClause(OMPCollapseClause *C) {
1861   Record.AddStmt(C->getNumForLoops());
1862   Record.AddSourceLocation(C->getLParenLoc());
1863 }
1864
1865 void OMPClauseWriter::VisitOMPDefaultClause(OMPDefaultClause *C) {
1866   Record.push_back(C->getDefaultKind());
1867   Record.AddSourceLocation(C->getLParenLoc());
1868   Record.AddSourceLocation(C->getDefaultKindKwLoc());
1869 }
1870
1871 void OMPClauseWriter::VisitOMPProcBindClause(OMPProcBindClause *C) {
1872   Record.push_back(C->getProcBindKind());
1873   Record.AddSourceLocation(C->getLParenLoc());
1874   Record.AddSourceLocation(C->getProcBindKindKwLoc());
1875 }
1876
1877 void OMPClauseWriter::VisitOMPScheduleClause(OMPScheduleClause *C) {
1878   VisitOMPClauseWithPreInit(C);
1879   Record.push_back(C->getScheduleKind());
1880   Record.push_back(C->getFirstScheduleModifier());
1881   Record.push_back(C->getSecondScheduleModifier());
1882   Record.AddStmt(C->getChunkSize());
1883   Record.AddSourceLocation(C->getLParenLoc());
1884   Record.AddSourceLocation(C->getFirstScheduleModifierLoc());
1885   Record.AddSourceLocation(C->getSecondScheduleModifierLoc());
1886   Record.AddSourceLocation(C->getScheduleKindLoc());
1887   Record.AddSourceLocation(C->getCommaLoc());
1888 }
1889
1890 void OMPClauseWriter::VisitOMPOrderedClause(OMPOrderedClause *C) {
1891   Record.AddStmt(C->getNumForLoops());
1892   Record.AddSourceLocation(C->getLParenLoc());
1893 }
1894
1895 void OMPClauseWriter::VisitOMPNowaitClause(OMPNowaitClause *) {}
1896
1897 void OMPClauseWriter::VisitOMPUntiedClause(OMPUntiedClause *) {}
1898
1899 void OMPClauseWriter::VisitOMPMergeableClause(OMPMergeableClause *) {}
1900
1901 void OMPClauseWriter::VisitOMPReadClause(OMPReadClause *) {}
1902
1903 void OMPClauseWriter::VisitOMPWriteClause(OMPWriteClause *) {}
1904
1905 void OMPClauseWriter::VisitOMPUpdateClause(OMPUpdateClause *) {}
1906
1907 void OMPClauseWriter::VisitOMPCaptureClause(OMPCaptureClause *) {}
1908
1909 void OMPClauseWriter::VisitOMPSeqCstClause(OMPSeqCstClause *) {}
1910
1911 void OMPClauseWriter::VisitOMPThreadsClause(OMPThreadsClause *) {}
1912
1913 void OMPClauseWriter::VisitOMPSIMDClause(OMPSIMDClause *) {}
1914
1915 void OMPClauseWriter::VisitOMPNogroupClause(OMPNogroupClause *) {}
1916
1917 void OMPClauseWriter::VisitOMPPrivateClause(OMPPrivateClause *C) {
1918   Record.push_back(C->varlist_size());
1919   Record.AddSourceLocation(C->getLParenLoc());
1920   for (auto *VE : C->varlists()) {
1921     Record.AddStmt(VE);
1922   }
1923   for (auto *VE : C->private_copies()) {
1924     Record.AddStmt(VE);
1925   }
1926 }
1927
1928 void OMPClauseWriter::VisitOMPFirstprivateClause(OMPFirstprivateClause *C) {
1929   Record.push_back(C->varlist_size());
1930   VisitOMPClauseWithPreInit(C);
1931   Record.AddSourceLocation(C->getLParenLoc());
1932   for (auto *VE : C->varlists()) {
1933     Record.AddStmt(VE);
1934   }
1935   for (auto *VE : C->private_copies()) {
1936     Record.AddStmt(VE);
1937   }
1938   for (auto *VE : C->inits()) {
1939     Record.AddStmt(VE);
1940   }
1941 }
1942
1943 void OMPClauseWriter::VisitOMPLastprivateClause(OMPLastprivateClause *C) {
1944   Record.push_back(C->varlist_size());
1945   VisitOMPClauseWithPostUpdate(C);
1946   Record.AddSourceLocation(C->getLParenLoc());
1947   for (auto *VE : C->varlists())
1948     Record.AddStmt(VE);
1949   for (auto *E : C->private_copies())
1950     Record.AddStmt(E);
1951   for (auto *E : C->source_exprs())
1952     Record.AddStmt(E);
1953   for (auto *E : C->destination_exprs())
1954     Record.AddStmt(E);
1955   for (auto *E : C->assignment_ops())
1956     Record.AddStmt(E);
1957 }
1958
1959 void OMPClauseWriter::VisitOMPSharedClause(OMPSharedClause *C) {
1960   Record.push_back(C->varlist_size());
1961   Record.AddSourceLocation(C->getLParenLoc());
1962   for (auto *VE : C->varlists())
1963     Record.AddStmt(VE);
1964 }
1965
1966 void OMPClauseWriter::VisitOMPReductionClause(OMPReductionClause *C) {
1967   Record.push_back(C->varlist_size());
1968   VisitOMPClauseWithPostUpdate(C);
1969   Record.AddSourceLocation(C->getLParenLoc());
1970   Record.AddSourceLocation(C->getColonLoc());
1971   Record.AddNestedNameSpecifierLoc(C->getQualifierLoc());
1972   Record.AddDeclarationNameInfo(C->getNameInfo());
1973   for (auto *VE : C->varlists())
1974     Record.AddStmt(VE);
1975   for (auto *VE : C->privates())
1976     Record.AddStmt(VE);
1977   for (auto *E : C->lhs_exprs())
1978     Record.AddStmt(E);
1979   for (auto *E : C->rhs_exprs())
1980     Record.AddStmt(E);
1981   for (auto *E : C->reduction_ops())
1982     Record.AddStmt(E);
1983 }
1984
1985 void OMPClauseWriter::VisitOMPTaskReductionClause(OMPTaskReductionClause *C) {
1986   Record.push_back(C->varlist_size());
1987   VisitOMPClauseWithPostUpdate(C);
1988   Record.AddSourceLocation(C->getLParenLoc());
1989   Record.AddSourceLocation(C->getColonLoc());
1990   Record.AddNestedNameSpecifierLoc(C->getQualifierLoc());
1991   Record.AddDeclarationNameInfo(C->getNameInfo());
1992   for (auto *VE : C->varlists())
1993     Record.AddStmt(VE);
1994   for (auto *VE : C->privates())
1995     Record.AddStmt(VE);
1996   for (auto *E : C->lhs_exprs())
1997     Record.AddStmt(E);
1998   for (auto *E : C->rhs_exprs())
1999     Record.AddStmt(E);
2000   for (auto *E : C->reduction_ops())
2001     Record.AddStmt(E);
2002 }
2003
2004 void OMPClauseWriter::VisitOMPLinearClause(OMPLinearClause *C) {
2005   Record.push_back(C->varlist_size());
2006   VisitOMPClauseWithPostUpdate(C);
2007   Record.AddSourceLocation(C->getLParenLoc());
2008   Record.AddSourceLocation(C->getColonLoc());
2009   Record.push_back(C->getModifier());
2010   Record.AddSourceLocation(C->getModifierLoc());
2011   for (auto *VE : C->varlists()) {
2012     Record.AddStmt(VE);
2013   }
2014   for (auto *VE : C->privates()) {
2015     Record.AddStmt(VE);
2016   }
2017   for (auto *VE : C->inits()) {
2018     Record.AddStmt(VE);
2019   }
2020   for (auto *VE : C->updates()) {
2021     Record.AddStmt(VE);
2022   }
2023   for (auto *VE : C->finals()) {
2024     Record.AddStmt(VE);
2025   }
2026   Record.AddStmt(C->getStep());
2027   Record.AddStmt(C->getCalcStep());
2028 }
2029
2030 void OMPClauseWriter::VisitOMPAlignedClause(OMPAlignedClause *C) {
2031   Record.push_back(C->varlist_size());
2032   Record.AddSourceLocation(C->getLParenLoc());
2033   Record.AddSourceLocation(C->getColonLoc());
2034   for (auto *VE : C->varlists())
2035     Record.AddStmt(VE);
2036   Record.AddStmt(C->getAlignment());
2037 }
2038
2039 void OMPClauseWriter::VisitOMPCopyinClause(OMPCopyinClause *C) {
2040   Record.push_back(C->varlist_size());
2041   Record.AddSourceLocation(C->getLParenLoc());
2042   for (auto *VE : C->varlists())
2043     Record.AddStmt(VE);
2044   for (auto *E : C->source_exprs())
2045     Record.AddStmt(E);
2046   for (auto *E : C->destination_exprs())
2047     Record.AddStmt(E);
2048   for (auto *E : C->assignment_ops())
2049     Record.AddStmt(E);
2050 }
2051
2052 void OMPClauseWriter::VisitOMPCopyprivateClause(OMPCopyprivateClause *C) {
2053   Record.push_back(C->varlist_size());
2054   Record.AddSourceLocation(C->getLParenLoc());
2055   for (auto *VE : C->varlists())
2056     Record.AddStmt(VE);
2057   for (auto *E : C->source_exprs())
2058     Record.AddStmt(E);
2059   for (auto *E : C->destination_exprs())
2060     Record.AddStmt(E);
2061   for (auto *E : C->assignment_ops())
2062     Record.AddStmt(E);
2063 }
2064
2065 void OMPClauseWriter::VisitOMPFlushClause(OMPFlushClause *C) {
2066   Record.push_back(C->varlist_size());
2067   Record.AddSourceLocation(C->getLParenLoc());
2068   for (auto *VE : C->varlists())
2069     Record.AddStmt(VE);
2070 }
2071
2072 void OMPClauseWriter::VisitOMPDependClause(OMPDependClause *C) {
2073   Record.push_back(C->varlist_size());
2074   Record.AddSourceLocation(C->getLParenLoc());
2075   Record.push_back(C->getDependencyKind());
2076   Record.AddSourceLocation(C->getDependencyLoc());
2077   Record.AddSourceLocation(C->getColonLoc());
2078   for (auto *VE : C->varlists())
2079     Record.AddStmt(VE);
2080   Record.AddStmt(C->getCounterValue());
2081 }
2082
2083 void OMPClauseWriter::VisitOMPDeviceClause(OMPDeviceClause *C) {
2084   Record.AddStmt(C->getDevice());
2085   Record.AddSourceLocation(C->getLParenLoc());
2086 }
2087
2088 void OMPClauseWriter::VisitOMPMapClause(OMPMapClause *C) {
2089   Record.push_back(C->varlist_size());
2090   Record.push_back(C->getUniqueDeclarationsNum());
2091   Record.push_back(C->getTotalComponentListNum());
2092   Record.push_back(C->getTotalComponentsNum());
2093   Record.AddSourceLocation(C->getLParenLoc());
2094   Record.push_back(C->getMapTypeModifier());
2095   Record.push_back(C->getMapType());
2096   Record.AddSourceLocation(C->getMapLoc());
2097   Record.AddSourceLocation(C->getColonLoc());
2098   for (auto *E : C->varlists())
2099     Record.AddStmt(E);
2100   for (auto *D : C->all_decls())
2101     Record.AddDeclRef(D);
2102   for (auto N : C->all_num_lists())
2103     Record.push_back(N);
2104   for (auto N : C->all_lists_sizes())
2105     Record.push_back(N);
2106   for (auto &M : C->all_components()) {
2107     Record.AddStmt(M.getAssociatedExpression());
2108     Record.AddDeclRef(M.getAssociatedDeclaration());
2109   }
2110 }
2111
2112 void OMPClauseWriter::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) {
2113   VisitOMPClauseWithPreInit(C);
2114   Record.AddStmt(C->getNumTeams());
2115   Record.AddSourceLocation(C->getLParenLoc());
2116 }
2117
2118 void OMPClauseWriter::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) {
2119   VisitOMPClauseWithPreInit(C);
2120   Record.AddStmt(C->getThreadLimit());
2121   Record.AddSourceLocation(C->getLParenLoc());
2122 }
2123
2124 void OMPClauseWriter::VisitOMPPriorityClause(OMPPriorityClause *C) {
2125   Record.AddStmt(C->getPriority());
2126   Record.AddSourceLocation(C->getLParenLoc());
2127 }
2128
2129 void OMPClauseWriter::VisitOMPGrainsizeClause(OMPGrainsizeClause *C) {
2130   Record.AddStmt(C->getGrainsize());
2131   Record.AddSourceLocation(C->getLParenLoc());
2132 }
2133
2134 void OMPClauseWriter::VisitOMPNumTasksClause(OMPNumTasksClause *C) {
2135   Record.AddStmt(C->getNumTasks());
2136   Record.AddSourceLocation(C->getLParenLoc());
2137 }
2138
2139 void OMPClauseWriter::VisitOMPHintClause(OMPHintClause *C) {
2140   Record.AddStmt(C->getHint());
2141   Record.AddSourceLocation(C->getLParenLoc());
2142 }
2143
2144 void OMPClauseWriter::VisitOMPDistScheduleClause(OMPDistScheduleClause *C) {
2145   VisitOMPClauseWithPreInit(C);
2146   Record.push_back(C->getDistScheduleKind());
2147   Record.AddStmt(C->getChunkSize());
2148   Record.AddSourceLocation(C->getLParenLoc());
2149   Record.AddSourceLocation(C->getDistScheduleKindLoc());
2150   Record.AddSourceLocation(C->getCommaLoc());
2151 }
2152
2153 void OMPClauseWriter::VisitOMPDefaultmapClause(OMPDefaultmapClause *C) {
2154   Record.push_back(C->getDefaultmapKind());
2155   Record.push_back(C->getDefaultmapModifier());
2156   Record.AddSourceLocation(C->getLParenLoc());
2157   Record.AddSourceLocation(C->getDefaultmapModifierLoc());
2158   Record.AddSourceLocation(C->getDefaultmapKindLoc());
2159 }
2160
2161 void OMPClauseWriter::VisitOMPToClause(OMPToClause *C) {
2162   Record.push_back(C->varlist_size());
2163   Record.push_back(C->getUniqueDeclarationsNum());
2164   Record.push_back(C->getTotalComponentListNum());
2165   Record.push_back(C->getTotalComponentsNum());
2166   Record.AddSourceLocation(C->getLParenLoc());
2167   for (auto *E : C->varlists())
2168     Record.AddStmt(E);
2169   for (auto *D : C->all_decls())
2170     Record.AddDeclRef(D);
2171   for (auto N : C->all_num_lists())
2172     Record.push_back(N);
2173   for (auto N : C->all_lists_sizes())
2174     Record.push_back(N);
2175   for (auto &M : C->all_components()) {
2176     Record.AddStmt(M.getAssociatedExpression());
2177     Record.AddDeclRef(M.getAssociatedDeclaration());
2178   }
2179 }
2180
2181 void OMPClauseWriter::VisitOMPFromClause(OMPFromClause *C) {
2182   Record.push_back(C->varlist_size());
2183   Record.push_back(C->getUniqueDeclarationsNum());
2184   Record.push_back(C->getTotalComponentListNum());
2185   Record.push_back(C->getTotalComponentsNum());
2186   Record.AddSourceLocation(C->getLParenLoc());
2187   for (auto *E : C->varlists())
2188     Record.AddStmt(E);
2189   for (auto *D : C->all_decls())
2190     Record.AddDeclRef(D);
2191   for (auto N : C->all_num_lists())
2192     Record.push_back(N);
2193   for (auto N : C->all_lists_sizes())
2194     Record.push_back(N);
2195   for (auto &M : C->all_components()) {
2196     Record.AddStmt(M.getAssociatedExpression());
2197     Record.AddDeclRef(M.getAssociatedDeclaration());
2198   }
2199 }
2200
2201 void OMPClauseWriter::VisitOMPUseDevicePtrClause(OMPUseDevicePtrClause *C) {
2202   Record.push_back(C->varlist_size());
2203   Record.push_back(C->getUniqueDeclarationsNum());
2204   Record.push_back(C->getTotalComponentListNum());
2205   Record.push_back(C->getTotalComponentsNum());
2206   Record.AddSourceLocation(C->getLParenLoc());
2207   for (auto *E : C->varlists())
2208     Record.AddStmt(E);
2209   for (auto *VE : C->private_copies())
2210     Record.AddStmt(VE);
2211   for (auto *VE : C->inits())
2212     Record.AddStmt(VE);
2213   for (auto *D : C->all_decls())
2214     Record.AddDeclRef(D);
2215   for (auto N : C->all_num_lists())
2216     Record.push_back(N);
2217   for (auto N : C->all_lists_sizes())
2218     Record.push_back(N);
2219   for (auto &M : C->all_components()) {
2220     Record.AddStmt(M.getAssociatedExpression());
2221     Record.AddDeclRef(M.getAssociatedDeclaration());
2222   }
2223 }
2224
2225 void OMPClauseWriter::VisitOMPIsDevicePtrClause(OMPIsDevicePtrClause *C) {
2226   Record.push_back(C->varlist_size());
2227   Record.push_back(C->getUniqueDeclarationsNum());
2228   Record.push_back(C->getTotalComponentListNum());
2229   Record.push_back(C->getTotalComponentsNum());
2230   Record.AddSourceLocation(C->getLParenLoc());
2231   for (auto *E : C->varlists())
2232     Record.AddStmt(E);
2233   for (auto *D : C->all_decls())
2234     Record.AddDeclRef(D);
2235   for (auto N : C->all_num_lists())
2236     Record.push_back(N);
2237   for (auto N : C->all_lists_sizes())
2238     Record.push_back(N);
2239   for (auto &M : C->all_components()) {
2240     Record.AddStmt(M.getAssociatedExpression());
2241     Record.AddDeclRef(M.getAssociatedDeclaration());
2242   }
2243 }
2244
2245 //===----------------------------------------------------------------------===//
2246 // OpenMP Directives.
2247 //===----------------------------------------------------------------------===//
2248 void ASTStmtWriter::VisitOMPExecutableDirective(OMPExecutableDirective *E) {
2249   Record.AddSourceLocation(E->getLocStart());
2250   Record.AddSourceLocation(E->getLocEnd());
2251   OMPClauseWriter ClauseWriter(Record);
2252   for (unsigned i = 0; i < E->getNumClauses(); ++i) {
2253     ClauseWriter.writeClause(E->getClause(i));
2254   }
2255   if (E->hasAssociatedStmt())
2256     Record.AddStmt(E->getAssociatedStmt());
2257 }
2258
2259 void ASTStmtWriter::VisitOMPLoopDirective(OMPLoopDirective *D) {
2260   VisitStmt(D);
2261   Record.push_back(D->getNumClauses());
2262   Record.push_back(D->getCollapsedNumber());
2263   VisitOMPExecutableDirective(D);
2264   Record.AddStmt(D->getIterationVariable());
2265   Record.AddStmt(D->getLastIteration());
2266   Record.AddStmt(D->getCalcLastIteration());
2267   Record.AddStmt(D->getPreCond());
2268   Record.AddStmt(D->getCond());
2269   Record.AddStmt(D->getInit());
2270   Record.AddStmt(D->getInc());
2271   Record.AddStmt(D->getPreInits());
2272   if (isOpenMPWorksharingDirective(D->getDirectiveKind()) ||
2273       isOpenMPTaskLoopDirective(D->getDirectiveKind()) ||
2274       isOpenMPDistributeDirective(D->getDirectiveKind())) {
2275     Record.AddStmt(D->getIsLastIterVariable());
2276     Record.AddStmt(D->getLowerBoundVariable());
2277     Record.AddStmt(D->getUpperBoundVariable());
2278     Record.AddStmt(D->getStrideVariable());
2279     Record.AddStmt(D->getEnsureUpperBound());
2280     Record.AddStmt(D->getNextLowerBound());
2281     Record.AddStmt(D->getNextUpperBound());
2282     Record.AddStmt(D->getNumIterations());
2283   }
2284   if (isOpenMPLoopBoundSharingDirective(D->getDirectiveKind())) {
2285     Record.AddStmt(D->getPrevLowerBoundVariable());
2286     Record.AddStmt(D->getPrevUpperBoundVariable());
2287     Record.AddStmt(D->getDistInc());
2288     Record.AddStmt(D->getPrevEnsureUpperBound());
2289     Record.AddStmt(D->getCombinedLowerBoundVariable());
2290     Record.AddStmt(D->getCombinedUpperBoundVariable());
2291     Record.AddStmt(D->getCombinedEnsureUpperBound());
2292     Record.AddStmt(D->getCombinedInit());
2293     Record.AddStmt(D->getCombinedCond());
2294     Record.AddStmt(D->getCombinedNextLowerBound());
2295     Record.AddStmt(D->getCombinedNextUpperBound());
2296   }
2297   for (auto I : D->counters()) {
2298     Record.AddStmt(I);
2299   }
2300   for (auto I : D->private_counters()) {
2301     Record.AddStmt(I);
2302   }
2303   for (auto I : D->inits()) {
2304     Record.AddStmt(I);
2305   }
2306   for (auto I : D->updates()) {
2307     Record.AddStmt(I);
2308   }
2309   for (auto I : D->finals()) {
2310     Record.AddStmt(I);
2311   }
2312 }
2313
2314 void ASTStmtWriter::VisitOMPParallelDirective(OMPParallelDirective *D) {
2315   VisitStmt(D);
2316   Record.push_back(D->getNumClauses());
2317   VisitOMPExecutableDirective(D);
2318   Record.push_back(D->hasCancel() ? 1 : 0);
2319   Code = serialization::STMT_OMP_PARALLEL_DIRECTIVE;
2320 }
2321
2322 void ASTStmtWriter::VisitOMPSimdDirective(OMPSimdDirective *D) {
2323   VisitOMPLoopDirective(D);
2324   Code = serialization::STMT_OMP_SIMD_DIRECTIVE;
2325 }
2326
2327 void ASTStmtWriter::VisitOMPForDirective(OMPForDirective *D) {
2328   VisitOMPLoopDirective(D);
2329   Record.push_back(D->hasCancel() ? 1 : 0);
2330   Code = serialization::STMT_OMP_FOR_DIRECTIVE;
2331 }
2332
2333 void ASTStmtWriter::VisitOMPForSimdDirective(OMPForSimdDirective *D) {
2334   VisitOMPLoopDirective(D);
2335   Code = serialization::STMT_OMP_FOR_SIMD_DIRECTIVE;
2336 }
2337
2338 void ASTStmtWriter::VisitOMPSectionsDirective(OMPSectionsDirective *D) {
2339   VisitStmt(D);
2340   Record.push_back(D->getNumClauses());
2341   VisitOMPExecutableDirective(D);
2342   Record.push_back(D->hasCancel() ? 1 : 0);
2343   Code = serialization::STMT_OMP_SECTIONS_DIRECTIVE;
2344 }
2345
2346 void ASTStmtWriter::VisitOMPSectionDirective(OMPSectionDirective *D) {
2347   VisitStmt(D);
2348   VisitOMPExecutableDirective(D);
2349   Record.push_back(D->hasCancel() ? 1 : 0);
2350   Code = serialization::STMT_OMP_SECTION_DIRECTIVE;
2351 }
2352
2353 void ASTStmtWriter::VisitOMPSingleDirective(OMPSingleDirective *D) {
2354   VisitStmt(D);
2355   Record.push_back(D->getNumClauses());
2356   VisitOMPExecutableDirective(D);
2357   Code = serialization::STMT_OMP_SINGLE_DIRECTIVE;
2358 }
2359
2360 void ASTStmtWriter::VisitOMPMasterDirective(OMPMasterDirective *D) {
2361   VisitStmt(D);
2362   VisitOMPExecutableDirective(D);
2363   Code = serialization::STMT_OMP_MASTER_DIRECTIVE;
2364 }
2365
2366 void ASTStmtWriter::VisitOMPCriticalDirective(OMPCriticalDirective *D) {
2367   VisitStmt(D);
2368   Record.push_back(D->getNumClauses());
2369   VisitOMPExecutableDirective(D);
2370   Record.AddDeclarationNameInfo(D->getDirectiveName());
2371   Code = serialization::STMT_OMP_CRITICAL_DIRECTIVE;
2372 }
2373
2374 void ASTStmtWriter::VisitOMPParallelForDirective(OMPParallelForDirective *D) {
2375   VisitOMPLoopDirective(D);
2376   Record.push_back(D->hasCancel() ? 1 : 0);
2377   Code = serialization::STMT_OMP_PARALLEL_FOR_DIRECTIVE;
2378 }
2379
2380 void ASTStmtWriter::VisitOMPParallelForSimdDirective(
2381     OMPParallelForSimdDirective *D) {
2382   VisitOMPLoopDirective(D);
2383   Code = serialization::STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE;
2384 }
2385
2386 void ASTStmtWriter::VisitOMPParallelSectionsDirective(
2387     OMPParallelSectionsDirective *D) {
2388   VisitStmt(D);
2389   Record.push_back(D->getNumClauses());
2390   VisitOMPExecutableDirective(D);
2391   Record.push_back(D->hasCancel() ? 1 : 0);
2392   Code = serialization::STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE;
2393 }
2394
2395 void ASTStmtWriter::VisitOMPTaskDirective(OMPTaskDirective *D) {
2396   VisitStmt(D);
2397   Record.push_back(D->getNumClauses());
2398   VisitOMPExecutableDirective(D);
2399   Record.push_back(D->hasCancel() ? 1 : 0);
2400   Code = serialization::STMT_OMP_TASK_DIRECTIVE;
2401 }
2402
2403 void ASTStmtWriter::VisitOMPAtomicDirective(OMPAtomicDirective *D) {
2404   VisitStmt(D);
2405   Record.push_back(D->getNumClauses());
2406   VisitOMPExecutableDirective(D);
2407   Record.AddStmt(D->getX());
2408   Record.AddStmt(D->getV());
2409   Record.AddStmt(D->getExpr());
2410   Record.AddStmt(D->getUpdateExpr());
2411   Record.push_back(D->isXLHSInRHSPart() ? 1 : 0);
2412   Record.push_back(D->isPostfixUpdate() ? 1 : 0);
2413   Code = serialization::STMT_OMP_ATOMIC_DIRECTIVE;
2414 }
2415
2416 void ASTStmtWriter::VisitOMPTargetDirective(OMPTargetDirective *D) {
2417   VisitStmt(D);
2418   Record.push_back(D->getNumClauses());
2419   VisitOMPExecutableDirective(D);
2420   Code = serialization::STMT_OMP_TARGET_DIRECTIVE;
2421 }
2422
2423 void ASTStmtWriter::VisitOMPTargetDataDirective(OMPTargetDataDirective *D) {
2424   VisitStmt(D);
2425   Record.push_back(D->getNumClauses());
2426   VisitOMPExecutableDirective(D);
2427   Code = serialization::STMT_OMP_TARGET_DATA_DIRECTIVE;
2428 }
2429
2430 void ASTStmtWriter::VisitOMPTargetEnterDataDirective(
2431     OMPTargetEnterDataDirective *D) {
2432   VisitStmt(D);
2433   Record.push_back(D->getNumClauses());
2434   VisitOMPExecutableDirective(D);
2435   Code = serialization::STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE;
2436 }
2437
2438 void ASTStmtWriter::VisitOMPTargetExitDataDirective(
2439     OMPTargetExitDataDirective *D) {
2440   VisitStmt(D);
2441   Record.push_back(D->getNumClauses());
2442   VisitOMPExecutableDirective(D);
2443   Code = serialization::STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE;
2444 }
2445
2446 void ASTStmtWriter::VisitOMPTargetParallelDirective(
2447     OMPTargetParallelDirective *D) {
2448   VisitStmt(D);
2449   Record.push_back(D->getNumClauses());
2450   VisitOMPExecutableDirective(D);
2451   Code = serialization::STMT_OMP_TARGET_PARALLEL_DIRECTIVE;
2452 }
2453
2454 void ASTStmtWriter::VisitOMPTargetParallelForDirective(
2455     OMPTargetParallelForDirective *D) {
2456   VisitOMPLoopDirective(D);
2457   Record.push_back(D->hasCancel() ? 1 : 0);
2458   Code = serialization::STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE;
2459 }
2460
2461 void ASTStmtWriter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *D) {
2462   VisitStmt(D);
2463   VisitOMPExecutableDirective(D);
2464   Code = serialization::STMT_OMP_TASKYIELD_DIRECTIVE;
2465 }
2466
2467 void ASTStmtWriter::VisitOMPBarrierDirective(OMPBarrierDirective *D) {
2468   VisitStmt(D);
2469   VisitOMPExecutableDirective(D);
2470   Code = serialization::STMT_OMP_BARRIER_DIRECTIVE;
2471 }
2472
2473 void ASTStmtWriter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *D) {
2474   VisitStmt(D);
2475   VisitOMPExecutableDirective(D);
2476   Code = serialization::STMT_OMP_TASKWAIT_DIRECTIVE;
2477 }
2478
2479 void ASTStmtWriter::VisitOMPTaskgroupDirective(OMPTaskgroupDirective *D) {
2480   VisitStmt(D);
2481   Record.push_back(D->getNumClauses());
2482   VisitOMPExecutableDirective(D);
2483   Code = serialization::STMT_OMP_TASKGROUP_DIRECTIVE;
2484 }
2485
2486 void ASTStmtWriter::VisitOMPFlushDirective(OMPFlushDirective *D) {
2487   VisitStmt(D);
2488   Record.push_back(D->getNumClauses());
2489   VisitOMPExecutableDirective(D);
2490   Code = serialization::STMT_OMP_FLUSH_DIRECTIVE;
2491 }
2492
2493 void ASTStmtWriter::VisitOMPOrderedDirective(OMPOrderedDirective *D) {
2494   VisitStmt(D);
2495   Record.push_back(D->getNumClauses());
2496   VisitOMPExecutableDirective(D);
2497   Code = serialization::STMT_OMP_ORDERED_DIRECTIVE;
2498 }
2499
2500 void ASTStmtWriter::VisitOMPTeamsDirective(OMPTeamsDirective *D) {
2501   VisitStmt(D);
2502   Record.push_back(D->getNumClauses());
2503   VisitOMPExecutableDirective(D);
2504   Code = serialization::STMT_OMP_TEAMS_DIRECTIVE;
2505 }
2506
2507 void ASTStmtWriter::VisitOMPCancellationPointDirective(
2508     OMPCancellationPointDirective *D) {
2509   VisitStmt(D);
2510   VisitOMPExecutableDirective(D);
2511   Record.push_back(D->getCancelRegion());
2512   Code = serialization::STMT_OMP_CANCELLATION_POINT_DIRECTIVE;
2513 }
2514
2515 void ASTStmtWriter::VisitOMPCancelDirective(OMPCancelDirective *D) {
2516   VisitStmt(D);
2517   Record.push_back(D->getNumClauses());
2518   VisitOMPExecutableDirective(D);
2519   Record.push_back(D->getCancelRegion());
2520   Code = serialization::STMT_OMP_CANCEL_DIRECTIVE;
2521 }
2522
2523 void ASTStmtWriter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
2524   VisitOMPLoopDirective(D);
2525   Code = serialization::STMT_OMP_TASKLOOP_DIRECTIVE;
2526 }
2527
2528 void ASTStmtWriter::VisitOMPTaskLoopSimdDirective(OMPTaskLoopSimdDirective *D) {
2529   VisitOMPLoopDirective(D);
2530   Code = serialization::STMT_OMP_TASKLOOP_SIMD_DIRECTIVE;
2531 }
2532
2533 void ASTStmtWriter::VisitOMPDistributeDirective(OMPDistributeDirective *D) {
2534   VisitOMPLoopDirective(D);
2535   Code = serialization::STMT_OMP_DISTRIBUTE_DIRECTIVE;
2536 }
2537
2538 void ASTStmtWriter::VisitOMPTargetUpdateDirective(OMPTargetUpdateDirective *D) {
2539   VisitStmt(D);
2540   Record.push_back(D->getNumClauses());
2541   VisitOMPExecutableDirective(D);
2542   Code = serialization::STMT_OMP_TARGET_UPDATE_DIRECTIVE;
2543 }
2544
2545 void ASTStmtWriter::VisitOMPDistributeParallelForDirective(
2546     OMPDistributeParallelForDirective *D) {
2547   VisitOMPLoopDirective(D);
2548   Code = serialization::STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
2549 }
2550
2551 void ASTStmtWriter::VisitOMPDistributeParallelForSimdDirective(
2552     OMPDistributeParallelForSimdDirective *D) {
2553   VisitOMPLoopDirective(D);
2554   Code = serialization::STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
2555 }
2556
2557 void ASTStmtWriter::VisitOMPDistributeSimdDirective(
2558     OMPDistributeSimdDirective *D) {
2559   VisitOMPLoopDirective(D);
2560   Code = serialization::STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE;
2561 }
2562
2563 void ASTStmtWriter::VisitOMPTargetParallelForSimdDirective(
2564     OMPTargetParallelForSimdDirective *D) {
2565   VisitOMPLoopDirective(D);
2566   Code = serialization::STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE;
2567 }
2568
2569 void ASTStmtWriter::VisitOMPTargetSimdDirective(OMPTargetSimdDirective *D) {
2570   VisitOMPLoopDirective(D);
2571   Code = serialization::STMT_OMP_TARGET_SIMD_DIRECTIVE;
2572 }
2573
2574 void ASTStmtWriter::VisitOMPTeamsDistributeDirective(
2575     OMPTeamsDistributeDirective *D) {
2576   VisitOMPLoopDirective(D);
2577   Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE;
2578 }
2579
2580 void ASTStmtWriter::VisitOMPTeamsDistributeSimdDirective(
2581     OMPTeamsDistributeSimdDirective *D) {
2582   VisitOMPLoopDirective(D);
2583   Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE;
2584 }
2585
2586 void ASTStmtWriter::VisitOMPTeamsDistributeParallelForSimdDirective(
2587     OMPTeamsDistributeParallelForSimdDirective *D) {
2588   VisitOMPLoopDirective(D);
2589   Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
2590 }
2591
2592 void ASTStmtWriter::VisitOMPTeamsDistributeParallelForDirective(
2593     OMPTeamsDistributeParallelForDirective *D) {
2594   VisitOMPLoopDirective(D);
2595   Code = serialization::STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
2596 }
2597
2598 void ASTStmtWriter::VisitOMPTargetTeamsDirective(OMPTargetTeamsDirective *D) {
2599   VisitStmt(D);
2600   Record.push_back(D->getNumClauses());
2601   VisitOMPExecutableDirective(D);
2602   Code = serialization::STMT_OMP_TARGET_TEAMS_DIRECTIVE;
2603 }
2604
2605 void ASTStmtWriter::VisitOMPTargetTeamsDistributeDirective(
2606     OMPTargetTeamsDistributeDirective *D) {
2607   VisitOMPLoopDirective(D);
2608   Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_DIRECTIVE;
2609 }
2610
2611 void ASTStmtWriter::VisitOMPTargetTeamsDistributeParallelForDirective(
2612     OMPTargetTeamsDistributeParallelForDirective *D) {
2613   VisitOMPLoopDirective(D);
2614   Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE;
2615 }
2616
2617 void ASTStmtWriter::VisitOMPTargetTeamsDistributeParallelForSimdDirective(
2618     OMPTargetTeamsDistributeParallelForSimdDirective *D) {
2619   VisitOMPLoopDirective(D);
2620   Code = serialization::
2621       STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE;
2622 }
2623
2624 void ASTStmtWriter::VisitOMPTargetTeamsDistributeSimdDirective(
2625     OMPTargetTeamsDistributeSimdDirective *D) {
2626   VisitOMPLoopDirective(D);
2627   Code = serialization::STMT_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE;
2628 }
2629
2630 //===----------------------------------------------------------------------===//
2631 // ASTWriter Implementation
2632 //===----------------------------------------------------------------------===//
2633
2634 unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) {
2635   assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() &&
2636          "SwitchCase recorded twice");
2637   unsigned NextID = SwitchCaseIDs.size();
2638   SwitchCaseIDs[S] = NextID;
2639   return NextID;
2640 }
2641
2642 unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) {
2643   assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() &&
2644          "SwitchCase hasn't been seen yet");
2645   return SwitchCaseIDs[S];
2646 }
2647
2648 void ASTWriter::ClearSwitchCaseIDs() {
2649   SwitchCaseIDs.clear();
2650 }
2651
2652 /// \brief Write the given substatement or subexpression to the
2653 /// bitstream.
2654 void ASTWriter::WriteSubStmt(Stmt *S) {
2655   RecordData Record;
2656   ASTStmtWriter Writer(*this, Record);
2657   ++NumStatements;
2658
2659   if (!S) {
2660     Stream.EmitRecord(serialization::STMT_NULL_PTR, Record);
2661     return;
2662   }
2663
2664   llvm::DenseMap<Stmt *, uint64_t>::iterator I = SubStmtEntries.find(S);
2665   if (I != SubStmtEntries.end()) {
2666     Record.push_back(I->second);
2667     Stream.EmitRecord(serialization::STMT_REF_PTR, Record);
2668     return;
2669   }
2670
2671 #ifndef NDEBUG
2672   assert(!ParentStmts.count(S) && "There is a Stmt cycle!");
2673
2674   struct ParentStmtInserterRAII {
2675     Stmt *S;
2676     llvm::DenseSet<Stmt *> &ParentStmts;
2677
2678     ParentStmtInserterRAII(Stmt *S, llvm::DenseSet<Stmt *> &ParentStmts)
2679       : S(S), ParentStmts(ParentStmts) {
2680       ParentStmts.insert(S);
2681     }
2682     ~ParentStmtInserterRAII() {
2683       ParentStmts.erase(S);
2684     }
2685   };
2686
2687   ParentStmtInserterRAII ParentStmtInserter(S, ParentStmts);
2688 #endif
2689
2690   Writer.Visit(S);
2691
2692   uint64_t Offset = Writer.Emit();
2693   SubStmtEntries[S] = Offset;
2694 }
2695
2696 /// \brief Flush all of the statements that have been added to the
2697 /// queue via AddStmt().
2698 void ASTRecordWriter::FlushStmts() {
2699   // We expect to be the only consumer of the two temporary statement maps,
2700   // assert that they are empty.
2701   assert(Writer->SubStmtEntries.empty() && "unexpected entries in sub-stmt map");
2702   assert(Writer->ParentStmts.empty() && "unexpected entries in parent stmt map");
2703
2704   for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
2705     Writer->WriteSubStmt(StmtsToEmit[I]);
2706
2707     assert(N == StmtsToEmit.size() && "record modified while being written!");
2708
2709     // Note that we are at the end of a full expression. Any
2710     // expression records that follow this one are part of a different
2711     // expression.
2712     Writer->Stream.EmitRecord(serialization::STMT_STOP, ArrayRef<uint32_t>());
2713
2714     Writer->SubStmtEntries.clear();
2715     Writer->ParentStmts.clear();
2716   }
2717
2718   StmtsToEmit.clear();
2719 }
2720
2721 void ASTRecordWriter::FlushSubStmts() {
2722   // For a nested statement, write out the substatements in reverse order (so
2723   // that a simple stack machine can be used when loading), and don't emit a
2724   // STMT_STOP after each one.
2725   for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
2726     Writer->WriteSubStmt(StmtsToEmit[N - I - 1]);
2727     assert(N == StmtsToEmit.size() && "record modified while being written!");
2728   }
2729
2730   StmtsToEmit.clear();
2731 }