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1 //===--- ASTReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
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 // Statement/expression deserialization.  This implements the
11 // ASTReader::ReadStmt method.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "clang/Serialization/ASTReader.h"
16 #include "clang/AST/ASTContext.h"
17 #include "clang/AST/DeclCXX.h"
18 #include "clang/AST/DeclTemplate.h"
19 #include "clang/AST/StmtVisitor.h"
20 #include "clang/Lex/Token.h"
21 #include "llvm/ADT/SmallString.h"
22 using namespace clang;
23 using namespace clang::serialization;
24 
25 namespace clang {
26 
27   class ASTStmtReader : public StmtVisitor<ASTStmtReader> {
28     friend class OMPClauseReader;
29     typedef ASTReader::RecordData RecordData;
30 
31     ASTReader &Reader;
32     ModuleFile &F;
33     llvm::BitstreamCursor &DeclsCursor;
34     const ASTReader::RecordData &Record;
35     unsigned &Idx;
36 
ReadToken(const RecordData & R,unsigned & I)37     Token ReadToken(const RecordData &R, unsigned &I) {
38       return Reader.ReadToken(F, R, I);
39     }
40 
ReadSourceLocation(const RecordData & R,unsigned & I)41     SourceLocation ReadSourceLocation(const RecordData &R, unsigned &I) {
42       return Reader.ReadSourceLocation(F, R, I);
43     }
44 
ReadSourceRange(const RecordData & R,unsigned & I)45     SourceRange ReadSourceRange(const RecordData &R, unsigned &I) {
46       return Reader.ReadSourceRange(F, R, I);
47     }
48 
ReadString(const RecordData & R,unsigned & I)49     std::string ReadString(const RecordData &R, unsigned &I) {
50       return Reader.ReadString(R, I);
51     }
52 
GetTypeSourceInfo(const RecordData & R,unsigned & I)53     TypeSourceInfo *GetTypeSourceInfo(const RecordData &R, unsigned &I) {
54       return Reader.GetTypeSourceInfo(F, R, I);
55     }
56 
ReadDeclID(const RecordData & R,unsigned & I)57     serialization::DeclID ReadDeclID(const RecordData &R, unsigned &I) {
58       return Reader.ReadDeclID(F, R, I);
59     }
60 
ReadDecl(const RecordData & R,unsigned & I)61     Decl *ReadDecl(const RecordData &R, unsigned &I) {
62       return Reader.ReadDecl(F, R, I);
63     }
64 
65     template<typename T>
ReadDeclAs(const RecordData & R,unsigned & I)66     T *ReadDeclAs(const RecordData &R, unsigned &I) {
67       return Reader.ReadDeclAs<T>(F, R, I);
68     }
69 
ReadDeclarationNameLoc(DeclarationNameLoc & DNLoc,DeclarationName Name,const ASTReader::RecordData & R,unsigned & I)70     void ReadDeclarationNameLoc(DeclarationNameLoc &DNLoc, DeclarationName Name,
71                                 const ASTReader::RecordData &R, unsigned &I) {
72       Reader.ReadDeclarationNameLoc(F, DNLoc, Name, R, I);
73     }
74 
ReadDeclarationNameInfo(DeclarationNameInfo & NameInfo,const ASTReader::RecordData & R,unsigned & I)75     void ReadDeclarationNameInfo(DeclarationNameInfo &NameInfo,
76                                 const ASTReader::RecordData &R, unsigned &I) {
77       Reader.ReadDeclarationNameInfo(F, NameInfo, R, I);
78     }
79 
80   public:
ASTStmtReader(ASTReader & Reader,ModuleFile & F,llvm::BitstreamCursor & Cursor,const ASTReader::RecordData & Record,unsigned & Idx)81     ASTStmtReader(ASTReader &Reader, ModuleFile &F,
82                   llvm::BitstreamCursor &Cursor,
83                   const ASTReader::RecordData &Record, unsigned &Idx)
84       : Reader(Reader), F(F), DeclsCursor(Cursor), Record(Record), Idx(Idx) { }
85 
86     /// \brief The number of record fields required for the Stmt class
87     /// itself.
88     static const unsigned NumStmtFields = 0;
89 
90     /// \brief The number of record fields required for the Expr class
91     /// itself.
92     static const unsigned NumExprFields = NumStmtFields + 7;
93 
94     /// \brief Read and initialize a ExplicitTemplateArgumentList structure.
95     void ReadTemplateKWAndArgsInfo(ASTTemplateKWAndArgsInfo &Args,
96                                    unsigned NumTemplateArgs);
97     /// \brief Read and initialize a ExplicitTemplateArgumentList structure.
98     void ReadExplicitTemplateArgumentList(ASTTemplateArgumentListInfo &ArgList,
99                                           unsigned NumTemplateArgs);
100 
101     void VisitStmt(Stmt *S);
102 #define STMT(Type, Base) \
103     void Visit##Type(Type *);
104 #include "clang/AST/StmtNodes.inc"
105   };
106 }
107 
108 void ASTStmtReader::
ReadTemplateKWAndArgsInfo(ASTTemplateKWAndArgsInfo & Args,unsigned NumTemplateArgs)109 ReadTemplateKWAndArgsInfo(ASTTemplateKWAndArgsInfo &Args,
110                           unsigned NumTemplateArgs) {
111   SourceLocation TemplateKWLoc = ReadSourceLocation(Record, Idx);
112   TemplateArgumentListInfo ArgInfo;
113   ArgInfo.setLAngleLoc(ReadSourceLocation(Record, Idx));
114   ArgInfo.setRAngleLoc(ReadSourceLocation(Record, Idx));
115   for (unsigned i = 0; i != NumTemplateArgs; ++i)
116     ArgInfo.addArgument(
117         Reader.ReadTemplateArgumentLoc(F, Record, Idx));
118   Args.initializeFrom(TemplateKWLoc, ArgInfo);
119 }
120 
VisitStmt(Stmt * S)121 void ASTStmtReader::VisitStmt(Stmt *S) {
122   assert(Idx == NumStmtFields && "Incorrect statement field count");
123 }
124 
VisitNullStmt(NullStmt * S)125 void ASTStmtReader::VisitNullStmt(NullStmt *S) {
126   VisitStmt(S);
127   S->setSemiLoc(ReadSourceLocation(Record, Idx));
128   S->HasLeadingEmptyMacro = Record[Idx++];
129 }
130 
VisitCompoundStmt(CompoundStmt * S)131 void ASTStmtReader::VisitCompoundStmt(CompoundStmt *S) {
132   VisitStmt(S);
133   SmallVector<Stmt *, 16> Stmts;
134   unsigned NumStmts = Record[Idx++];
135   while (NumStmts--)
136     Stmts.push_back(Reader.ReadSubStmt());
137   S->setStmts(Reader.getContext(), Stmts);
138   S->LBraceLoc = ReadSourceLocation(Record, Idx);
139   S->RBraceLoc = ReadSourceLocation(Record, Idx);
140 }
141 
VisitSwitchCase(SwitchCase * S)142 void ASTStmtReader::VisitSwitchCase(SwitchCase *S) {
143   VisitStmt(S);
144   Reader.RecordSwitchCaseID(S, Record[Idx++]);
145   S->setKeywordLoc(ReadSourceLocation(Record, Idx));
146   S->setColonLoc(ReadSourceLocation(Record, Idx));
147 }
148 
VisitCaseStmt(CaseStmt * S)149 void ASTStmtReader::VisitCaseStmt(CaseStmt *S) {
150   VisitSwitchCase(S);
151   S->setLHS(Reader.ReadSubExpr());
152   S->setRHS(Reader.ReadSubExpr());
153   S->setSubStmt(Reader.ReadSubStmt());
154   S->setEllipsisLoc(ReadSourceLocation(Record, Idx));
155 }
156 
VisitDefaultStmt(DefaultStmt * S)157 void ASTStmtReader::VisitDefaultStmt(DefaultStmt *S) {
158   VisitSwitchCase(S);
159   S->setSubStmt(Reader.ReadSubStmt());
160 }
161 
VisitLabelStmt(LabelStmt * S)162 void ASTStmtReader::VisitLabelStmt(LabelStmt *S) {
163   VisitStmt(S);
164   LabelDecl *LD = ReadDeclAs<LabelDecl>(Record, Idx);
165   LD->setStmt(S);
166   S->setDecl(LD);
167   S->setSubStmt(Reader.ReadSubStmt());
168   S->setIdentLoc(ReadSourceLocation(Record, Idx));
169 }
170 
VisitAttributedStmt(AttributedStmt * S)171 void ASTStmtReader::VisitAttributedStmt(AttributedStmt *S) {
172   VisitStmt(S);
173   uint64_t NumAttrs = Record[Idx++];
174   AttrVec Attrs;
175   Reader.ReadAttributes(F, Attrs, Record, Idx);
176   (void)NumAttrs;
177   assert(NumAttrs == S->NumAttrs);
178   assert(NumAttrs == Attrs.size());
179   std::copy(Attrs.begin(), Attrs.end(), S->getAttrArrayPtr());
180   S->SubStmt = Reader.ReadSubStmt();
181   S->AttrLoc = ReadSourceLocation(Record, Idx);
182 }
183 
VisitIfStmt(IfStmt * S)184 void ASTStmtReader::VisitIfStmt(IfStmt *S) {
185   VisitStmt(S);
186   S->setConditionVariable(Reader.getContext(),
187                           ReadDeclAs<VarDecl>(Record, Idx));
188   S->setCond(Reader.ReadSubExpr());
189   S->setThen(Reader.ReadSubStmt());
190   S->setElse(Reader.ReadSubStmt());
191   S->setIfLoc(ReadSourceLocation(Record, Idx));
192   S->setElseLoc(ReadSourceLocation(Record, Idx));
193 }
194 
VisitSwitchStmt(SwitchStmt * S)195 void ASTStmtReader::VisitSwitchStmt(SwitchStmt *S) {
196   VisitStmt(S);
197   S->setConditionVariable(Reader.getContext(),
198                           ReadDeclAs<VarDecl>(Record, Idx));
199   S->setCond(Reader.ReadSubExpr());
200   S->setBody(Reader.ReadSubStmt());
201   S->setSwitchLoc(ReadSourceLocation(Record, Idx));
202   if (Record[Idx++])
203     S->setAllEnumCasesCovered();
204 
205   SwitchCase *PrevSC = nullptr;
206   for (unsigned N = Record.size(); Idx != N; ++Idx) {
207     SwitchCase *SC = Reader.getSwitchCaseWithID(Record[Idx]);
208     if (PrevSC)
209       PrevSC->setNextSwitchCase(SC);
210     else
211       S->setSwitchCaseList(SC);
212 
213     PrevSC = SC;
214   }
215 }
216 
VisitWhileStmt(WhileStmt * S)217 void ASTStmtReader::VisitWhileStmt(WhileStmt *S) {
218   VisitStmt(S);
219   S->setConditionVariable(Reader.getContext(),
220                           ReadDeclAs<VarDecl>(Record, Idx));
221 
222   S->setCond(Reader.ReadSubExpr());
223   S->setBody(Reader.ReadSubStmt());
224   S->setWhileLoc(ReadSourceLocation(Record, Idx));
225 }
226 
VisitDoStmt(DoStmt * S)227 void ASTStmtReader::VisitDoStmt(DoStmt *S) {
228   VisitStmt(S);
229   S->setCond(Reader.ReadSubExpr());
230   S->setBody(Reader.ReadSubStmt());
231   S->setDoLoc(ReadSourceLocation(Record, Idx));
232   S->setWhileLoc(ReadSourceLocation(Record, Idx));
233   S->setRParenLoc(ReadSourceLocation(Record, Idx));
234 }
235 
VisitForStmt(ForStmt * S)236 void ASTStmtReader::VisitForStmt(ForStmt *S) {
237   VisitStmt(S);
238   S->setInit(Reader.ReadSubStmt());
239   S->setCond(Reader.ReadSubExpr());
240   S->setConditionVariable(Reader.getContext(),
241                           ReadDeclAs<VarDecl>(Record, Idx));
242   S->setInc(Reader.ReadSubExpr());
243   S->setBody(Reader.ReadSubStmt());
244   S->setForLoc(ReadSourceLocation(Record, Idx));
245   S->setLParenLoc(ReadSourceLocation(Record, Idx));
246   S->setRParenLoc(ReadSourceLocation(Record, Idx));
247 }
248 
VisitGotoStmt(GotoStmt * S)249 void ASTStmtReader::VisitGotoStmt(GotoStmt *S) {
250   VisitStmt(S);
251   S->setLabel(ReadDeclAs<LabelDecl>(Record, Idx));
252   S->setGotoLoc(ReadSourceLocation(Record, Idx));
253   S->setLabelLoc(ReadSourceLocation(Record, Idx));
254 }
255 
VisitIndirectGotoStmt(IndirectGotoStmt * S)256 void ASTStmtReader::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
257   VisitStmt(S);
258   S->setGotoLoc(ReadSourceLocation(Record, Idx));
259   S->setStarLoc(ReadSourceLocation(Record, Idx));
260   S->setTarget(Reader.ReadSubExpr());
261 }
262 
VisitContinueStmt(ContinueStmt * S)263 void ASTStmtReader::VisitContinueStmt(ContinueStmt *S) {
264   VisitStmt(S);
265   S->setContinueLoc(ReadSourceLocation(Record, Idx));
266 }
267 
VisitBreakStmt(BreakStmt * S)268 void ASTStmtReader::VisitBreakStmt(BreakStmt *S) {
269   VisitStmt(S);
270   S->setBreakLoc(ReadSourceLocation(Record, Idx));
271 }
272 
VisitReturnStmt(ReturnStmt * S)273 void ASTStmtReader::VisitReturnStmt(ReturnStmt *S) {
274   VisitStmt(S);
275   S->setRetValue(Reader.ReadSubExpr());
276   S->setReturnLoc(ReadSourceLocation(Record, Idx));
277   S->setNRVOCandidate(ReadDeclAs<VarDecl>(Record, Idx));
278 }
279 
VisitDeclStmt(DeclStmt * S)280 void ASTStmtReader::VisitDeclStmt(DeclStmt *S) {
281   VisitStmt(S);
282   S->setStartLoc(ReadSourceLocation(Record, Idx));
283   S->setEndLoc(ReadSourceLocation(Record, Idx));
284 
285   if (Idx + 1 == Record.size()) {
286     // Single declaration
287     S->setDeclGroup(DeclGroupRef(ReadDecl(Record, Idx)));
288   } else {
289     SmallVector<Decl *, 16> Decls;
290     Decls.reserve(Record.size() - Idx);
291     for (unsigned N = Record.size(); Idx != N; )
292       Decls.push_back(ReadDecl(Record, Idx));
293     S->setDeclGroup(DeclGroupRef(DeclGroup::Create(Reader.getContext(),
294                                                    Decls.data(),
295                                                    Decls.size())));
296   }
297 }
298 
VisitAsmStmt(AsmStmt * S)299 void ASTStmtReader::VisitAsmStmt(AsmStmt *S) {
300   VisitStmt(S);
301   S->NumOutputs = Record[Idx++];
302   S->NumInputs = Record[Idx++];
303   S->NumClobbers = Record[Idx++];
304   S->setAsmLoc(ReadSourceLocation(Record, Idx));
305   S->setVolatile(Record[Idx++]);
306   S->setSimple(Record[Idx++]);
307 }
308 
VisitGCCAsmStmt(GCCAsmStmt * S)309 void ASTStmtReader::VisitGCCAsmStmt(GCCAsmStmt *S) {
310   VisitAsmStmt(S);
311   S->setRParenLoc(ReadSourceLocation(Record, Idx));
312   S->setAsmString(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
313 
314   unsigned NumOutputs = S->getNumOutputs();
315   unsigned NumInputs = S->getNumInputs();
316   unsigned NumClobbers = S->getNumClobbers();
317 
318   // Outputs and inputs
319   SmallVector<IdentifierInfo *, 16> Names;
320   SmallVector<StringLiteral*, 16> Constraints;
321   SmallVector<Stmt*, 16> Exprs;
322   for (unsigned I = 0, N = NumOutputs + NumInputs; I != N; ++I) {
323     Names.push_back(Reader.GetIdentifierInfo(F, Record, Idx));
324     Constraints.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
325     Exprs.push_back(Reader.ReadSubStmt());
326   }
327 
328   // Constraints
329   SmallVector<StringLiteral*, 16> Clobbers;
330   for (unsigned I = 0; I != NumClobbers; ++I)
331     Clobbers.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
332 
333   S->setOutputsAndInputsAndClobbers(Reader.getContext(),
334                                     Names.data(), Constraints.data(),
335                                     Exprs.data(), NumOutputs, NumInputs,
336                                     Clobbers.data(), NumClobbers);
337 }
338 
VisitMSAsmStmt(MSAsmStmt * S)339 void ASTStmtReader::VisitMSAsmStmt(MSAsmStmt *S) {
340   VisitAsmStmt(S);
341   S->LBraceLoc = ReadSourceLocation(Record, Idx);
342   S->EndLoc = ReadSourceLocation(Record, Idx);
343   S->NumAsmToks = Record[Idx++];
344   std::string AsmStr = ReadString(Record, Idx);
345 
346   // Read the tokens.
347   SmallVector<Token, 16> AsmToks;
348   AsmToks.reserve(S->NumAsmToks);
349   for (unsigned i = 0, e = S->NumAsmToks; i != e; ++i) {
350     AsmToks.push_back(ReadToken(Record, Idx));
351   }
352 
353   // The calls to reserve() for the FooData vectors are mandatory to
354   // prevent dead StringRefs in the Foo vectors.
355 
356   // Read the clobbers.
357   SmallVector<std::string, 16> ClobbersData;
358   SmallVector<StringRef, 16> Clobbers;
359   ClobbersData.reserve(S->NumClobbers);
360   Clobbers.reserve(S->NumClobbers);
361   for (unsigned i = 0, e = S->NumClobbers; i != e; ++i) {
362     ClobbersData.push_back(ReadString(Record, Idx));
363     Clobbers.push_back(ClobbersData.back());
364   }
365 
366   // Read the operands.
367   unsigned NumOperands = S->NumOutputs + S->NumInputs;
368   SmallVector<Expr*, 16> Exprs;
369   SmallVector<std::string, 16> ConstraintsData;
370   SmallVector<StringRef, 16> Constraints;
371   Exprs.reserve(NumOperands);
372   ConstraintsData.reserve(NumOperands);
373   Constraints.reserve(NumOperands);
374   for (unsigned i = 0; i != NumOperands; ++i) {
375     Exprs.push_back(cast<Expr>(Reader.ReadSubStmt()));
376     ConstraintsData.push_back(ReadString(Record, Idx));
377     Constraints.push_back(ConstraintsData.back());
378   }
379 
380   S->initialize(Reader.getContext(), AsmStr, AsmToks,
381                 Constraints, Exprs, Clobbers);
382 }
383 
VisitCoroutineBodyStmt(CoroutineBodyStmt * S)384 void ASTStmtReader::VisitCoroutineBodyStmt(CoroutineBodyStmt *S) {
385   // FIXME: Implement coroutine serialization.
386   llvm_unreachable("unimplemented");
387 }
388 
VisitCoreturnStmt(CoreturnStmt * S)389 void ASTStmtReader::VisitCoreturnStmt(CoreturnStmt *S) {
390   // FIXME: Implement coroutine serialization.
391   llvm_unreachable("unimplemented");
392 }
393 
VisitCoawaitExpr(CoawaitExpr * S)394 void ASTStmtReader::VisitCoawaitExpr(CoawaitExpr *S) {
395   // FIXME: Implement coroutine serialization.
396   llvm_unreachable("unimplemented");
397 }
398 
VisitCoyieldExpr(CoyieldExpr * S)399 void ASTStmtReader::VisitCoyieldExpr(CoyieldExpr *S) {
400   // FIXME: Implement coroutine serialization.
401   llvm_unreachable("unimplemented");
402 }
403 
VisitCapturedStmt(CapturedStmt * S)404 void ASTStmtReader::VisitCapturedStmt(CapturedStmt *S) {
405   VisitStmt(S);
406   ++Idx;
407   S->setCapturedDecl(ReadDeclAs<CapturedDecl>(Record, Idx));
408   S->setCapturedRegionKind(static_cast<CapturedRegionKind>(Record[Idx++]));
409   S->setCapturedRecordDecl(ReadDeclAs<RecordDecl>(Record, Idx));
410 
411   // Capture inits
412   for (CapturedStmt::capture_init_iterator I = S->capture_init_begin(),
413                                            E = S->capture_init_end();
414        I != E; ++I)
415     *I = Reader.ReadSubExpr();
416 
417   // Body
418   S->setCapturedStmt(Reader.ReadSubStmt());
419   S->getCapturedDecl()->setBody(S->getCapturedStmt());
420 
421   // Captures
422   for (auto &I : S->captures()) {
423     I.VarAndKind.setPointer(ReadDeclAs<VarDecl>(Record, Idx));
424     I.VarAndKind
425         .setInt(static_cast<CapturedStmt::VariableCaptureKind>(Record[Idx++]));
426     I.Loc = ReadSourceLocation(Record, Idx);
427   }
428 }
429 
VisitExpr(Expr * E)430 void ASTStmtReader::VisitExpr(Expr *E) {
431   VisitStmt(E);
432   E->setType(Reader.readType(F, Record, Idx));
433   E->setTypeDependent(Record[Idx++]);
434   E->setValueDependent(Record[Idx++]);
435   E->setInstantiationDependent(Record[Idx++]);
436   E->ExprBits.ContainsUnexpandedParameterPack = Record[Idx++];
437   E->setValueKind(static_cast<ExprValueKind>(Record[Idx++]));
438   E->setObjectKind(static_cast<ExprObjectKind>(Record[Idx++]));
439   assert(Idx == NumExprFields && "Incorrect expression field count");
440 }
441 
VisitPredefinedExpr(PredefinedExpr * E)442 void ASTStmtReader::VisitPredefinedExpr(PredefinedExpr *E) {
443   VisitExpr(E);
444   E->setLocation(ReadSourceLocation(Record, Idx));
445   E->Type = (PredefinedExpr::IdentType)Record[Idx++];
446   E->FnName = cast_or_null<StringLiteral>(Reader.ReadSubExpr());
447 }
448 
VisitDeclRefExpr(DeclRefExpr * E)449 void ASTStmtReader::VisitDeclRefExpr(DeclRefExpr *E) {
450   VisitExpr(E);
451 
452   E->DeclRefExprBits.HasQualifier = Record[Idx++];
453   E->DeclRefExprBits.HasFoundDecl = Record[Idx++];
454   E->DeclRefExprBits.HasTemplateKWAndArgsInfo = Record[Idx++];
455   E->DeclRefExprBits.HadMultipleCandidates = Record[Idx++];
456   E->DeclRefExprBits.RefersToEnclosingVariableOrCapture = Record[Idx++];
457   unsigned NumTemplateArgs = 0;
458   if (E->hasTemplateKWAndArgsInfo())
459     NumTemplateArgs = Record[Idx++];
460 
461   if (E->hasQualifier())
462     E->getInternalQualifierLoc()
463       = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
464 
465   if (E->hasFoundDecl())
466     E->getInternalFoundDecl() = ReadDeclAs<NamedDecl>(Record, Idx);
467 
468   if (E->hasTemplateKWAndArgsInfo())
469     ReadTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo(),
470                               NumTemplateArgs);
471 
472   E->setDecl(ReadDeclAs<ValueDecl>(Record, Idx));
473   E->setLocation(ReadSourceLocation(Record, Idx));
474   ReadDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record, Idx);
475 }
476 
VisitIntegerLiteral(IntegerLiteral * E)477 void ASTStmtReader::VisitIntegerLiteral(IntegerLiteral *E) {
478   VisitExpr(E);
479   E->setLocation(ReadSourceLocation(Record, Idx));
480   E->setValue(Reader.getContext(), Reader.ReadAPInt(Record, Idx));
481 }
482 
VisitFloatingLiteral(FloatingLiteral * E)483 void ASTStmtReader::VisitFloatingLiteral(FloatingLiteral *E) {
484   VisitExpr(E);
485   E->setRawSemantics(static_cast<Stmt::APFloatSemantics>(Record[Idx++]));
486   E->setExact(Record[Idx++]);
487   E->setValue(Reader.getContext(),
488               Reader.ReadAPFloat(Record, E->getSemantics(), Idx));
489   E->setLocation(ReadSourceLocation(Record, Idx));
490 }
491 
VisitImaginaryLiteral(ImaginaryLiteral * E)492 void ASTStmtReader::VisitImaginaryLiteral(ImaginaryLiteral *E) {
493   VisitExpr(E);
494   E->setSubExpr(Reader.ReadSubExpr());
495 }
496 
VisitStringLiteral(StringLiteral * E)497 void ASTStmtReader::VisitStringLiteral(StringLiteral *E) {
498   VisitExpr(E);
499   unsigned Len = Record[Idx++];
500   assert(Record[Idx] == E->getNumConcatenated() &&
501          "Wrong number of concatenated tokens!");
502   ++Idx;
503   StringLiteral::StringKind kind =
504         static_cast<StringLiteral::StringKind>(Record[Idx++]);
505   bool isPascal = Record[Idx++];
506 
507   // Read string data
508   SmallString<16> Str(&Record[Idx], &Record[Idx] + Len);
509   E->setString(Reader.getContext(), Str, kind, isPascal);
510   Idx += Len;
511 
512   // Read source locations
513   for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
514     E->setStrTokenLoc(I, ReadSourceLocation(Record, Idx));
515 }
516 
VisitCharacterLiteral(CharacterLiteral * E)517 void ASTStmtReader::VisitCharacterLiteral(CharacterLiteral *E) {
518   VisitExpr(E);
519   E->setValue(Record[Idx++]);
520   E->setLocation(ReadSourceLocation(Record, Idx));
521   E->setKind(static_cast<CharacterLiteral::CharacterKind>(Record[Idx++]));
522 }
523 
VisitParenExpr(ParenExpr * E)524 void ASTStmtReader::VisitParenExpr(ParenExpr *E) {
525   VisitExpr(E);
526   E->setLParen(ReadSourceLocation(Record, Idx));
527   E->setRParen(ReadSourceLocation(Record, Idx));
528   E->setSubExpr(Reader.ReadSubExpr());
529 }
530 
VisitParenListExpr(ParenListExpr * E)531 void ASTStmtReader::VisitParenListExpr(ParenListExpr *E) {
532   VisitExpr(E);
533   unsigned NumExprs = Record[Idx++];
534   E->Exprs = new (Reader.getContext()) Stmt*[NumExprs];
535   for (unsigned i = 0; i != NumExprs; ++i)
536     E->Exprs[i] = Reader.ReadSubStmt();
537   E->NumExprs = NumExprs;
538   E->LParenLoc = ReadSourceLocation(Record, Idx);
539   E->RParenLoc = ReadSourceLocation(Record, Idx);
540 }
541 
VisitUnaryOperator(UnaryOperator * E)542 void ASTStmtReader::VisitUnaryOperator(UnaryOperator *E) {
543   VisitExpr(E);
544   E->setSubExpr(Reader.ReadSubExpr());
545   E->setOpcode((UnaryOperator::Opcode)Record[Idx++]);
546   E->setOperatorLoc(ReadSourceLocation(Record, Idx));
547 }
548 
VisitOffsetOfExpr(OffsetOfExpr * E)549 void ASTStmtReader::VisitOffsetOfExpr(OffsetOfExpr *E) {
550   typedef OffsetOfExpr::OffsetOfNode Node;
551   VisitExpr(E);
552   assert(E->getNumComponents() == Record[Idx]);
553   ++Idx;
554   assert(E->getNumExpressions() == Record[Idx]);
555   ++Idx;
556   E->setOperatorLoc(ReadSourceLocation(Record, Idx));
557   E->setRParenLoc(ReadSourceLocation(Record, Idx));
558   E->setTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
559   for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
560     Node::Kind Kind = static_cast<Node::Kind>(Record[Idx++]);
561     SourceLocation Start = ReadSourceLocation(Record, Idx);
562     SourceLocation End = ReadSourceLocation(Record, Idx);
563     switch (Kind) {
564     case Node::Array:
565       E->setComponent(I, Node(Start, Record[Idx++], End));
566       break;
567 
568     case Node::Field:
569       E->setComponent(I, Node(Start, ReadDeclAs<FieldDecl>(Record, Idx), End));
570       break;
571 
572     case Node::Identifier:
573       E->setComponent(I,
574                       Node(Start,
575                            Reader.GetIdentifierInfo(F, Record, Idx),
576                            End));
577       break;
578 
579     case Node::Base: {
580       CXXBaseSpecifier *Base = new (Reader.getContext()) CXXBaseSpecifier();
581       *Base = Reader.ReadCXXBaseSpecifier(F, Record, Idx);
582       E->setComponent(I, Node(Base));
583       break;
584     }
585     }
586   }
587 
588   for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
589     E->setIndexExpr(I, Reader.ReadSubExpr());
590 }
591 
VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr * E)592 void ASTStmtReader::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) {
593   VisitExpr(E);
594   E->setKind(static_cast<UnaryExprOrTypeTrait>(Record[Idx++]));
595   if (Record[Idx] == 0) {
596     E->setArgument(Reader.ReadSubExpr());
597     ++Idx;
598   } else {
599     E->setArgument(GetTypeSourceInfo(Record, Idx));
600   }
601   E->setOperatorLoc(ReadSourceLocation(Record, Idx));
602   E->setRParenLoc(ReadSourceLocation(Record, Idx));
603 }
604 
VisitArraySubscriptExpr(ArraySubscriptExpr * E)605 void ASTStmtReader::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
606   VisitExpr(E);
607   E->setLHS(Reader.ReadSubExpr());
608   E->setRHS(Reader.ReadSubExpr());
609   E->setRBracketLoc(ReadSourceLocation(Record, Idx));
610 }
611 
VisitOMPArraySectionExpr(OMPArraySectionExpr * E)612 void ASTStmtReader::VisitOMPArraySectionExpr(OMPArraySectionExpr *E) {
613   VisitExpr(E);
614   E->setBase(Reader.ReadSubExpr());
615   E->setLowerBound(Reader.ReadSubExpr());
616   E->setLength(Reader.ReadSubExpr());
617   E->setColonLoc(ReadSourceLocation(Record, Idx));
618   E->setRBracketLoc(ReadSourceLocation(Record, Idx));
619 }
620 
VisitCallExpr(CallExpr * E)621 void ASTStmtReader::VisitCallExpr(CallExpr *E) {
622   VisitExpr(E);
623   E->setNumArgs(Reader.getContext(), Record[Idx++]);
624   E->setRParenLoc(ReadSourceLocation(Record, Idx));
625   E->setCallee(Reader.ReadSubExpr());
626   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
627     E->setArg(I, Reader.ReadSubExpr());
628 }
629 
VisitCXXMemberCallExpr(CXXMemberCallExpr * E)630 void ASTStmtReader::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
631   VisitCallExpr(E);
632 }
633 
VisitMemberExpr(MemberExpr * E)634 void ASTStmtReader::VisitMemberExpr(MemberExpr *E) {
635   // Don't call VisitExpr, this is fully initialized at creation.
636   assert(E->getStmtClass() == Stmt::MemberExprClass &&
637          "It's a subclass, we must advance Idx!");
638 }
639 
VisitObjCIsaExpr(ObjCIsaExpr * E)640 void ASTStmtReader::VisitObjCIsaExpr(ObjCIsaExpr *E) {
641   VisitExpr(E);
642   E->setBase(Reader.ReadSubExpr());
643   E->setIsaMemberLoc(ReadSourceLocation(Record, Idx));
644   E->setOpLoc(ReadSourceLocation(Record, Idx));
645   E->setArrow(Record[Idx++]);
646 }
647 
648 void ASTStmtReader::
VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr * E)649 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
650   VisitExpr(E);
651   E->Operand = Reader.ReadSubExpr();
652   E->setShouldCopy(Record[Idx++]);
653 }
654 
VisitObjCBridgedCastExpr(ObjCBridgedCastExpr * E)655 void ASTStmtReader::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
656   VisitExplicitCastExpr(E);
657   E->LParenLoc = ReadSourceLocation(Record, Idx);
658   E->BridgeKeywordLoc = ReadSourceLocation(Record, Idx);
659   E->Kind = Record[Idx++];
660 }
661 
VisitCastExpr(CastExpr * E)662 void ASTStmtReader::VisitCastExpr(CastExpr *E) {
663   VisitExpr(E);
664   unsigned NumBaseSpecs = Record[Idx++];
665   assert(NumBaseSpecs == E->path_size());
666   E->setSubExpr(Reader.ReadSubExpr());
667   E->setCastKind((CastKind)Record[Idx++]);
668   CastExpr::path_iterator BaseI = E->path_begin();
669   while (NumBaseSpecs--) {
670     CXXBaseSpecifier *BaseSpec = new (Reader.getContext()) CXXBaseSpecifier;
671     *BaseSpec = Reader.ReadCXXBaseSpecifier(F, Record, Idx);
672     *BaseI++ = BaseSpec;
673   }
674 }
675 
VisitBinaryOperator(BinaryOperator * E)676 void ASTStmtReader::VisitBinaryOperator(BinaryOperator *E) {
677   VisitExpr(E);
678   E->setLHS(Reader.ReadSubExpr());
679   E->setRHS(Reader.ReadSubExpr());
680   E->setOpcode((BinaryOperator::Opcode)Record[Idx++]);
681   E->setOperatorLoc(ReadSourceLocation(Record, Idx));
682   E->setFPContractable((bool)Record[Idx++]);
683 }
684 
VisitCompoundAssignOperator(CompoundAssignOperator * E)685 void ASTStmtReader::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
686   VisitBinaryOperator(E);
687   E->setComputationLHSType(Reader.readType(F, Record, Idx));
688   E->setComputationResultType(Reader.readType(F, Record, Idx));
689 }
690 
VisitConditionalOperator(ConditionalOperator * E)691 void ASTStmtReader::VisitConditionalOperator(ConditionalOperator *E) {
692   VisitExpr(E);
693   E->SubExprs[ConditionalOperator::COND] = Reader.ReadSubExpr();
694   E->SubExprs[ConditionalOperator::LHS] = Reader.ReadSubExpr();
695   E->SubExprs[ConditionalOperator::RHS] = Reader.ReadSubExpr();
696   E->QuestionLoc = ReadSourceLocation(Record, Idx);
697   E->ColonLoc = ReadSourceLocation(Record, Idx);
698 }
699 
700 void
VisitBinaryConditionalOperator(BinaryConditionalOperator * E)701 ASTStmtReader::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) {
702   VisitExpr(E);
703   E->OpaqueValue = cast<OpaqueValueExpr>(Reader.ReadSubExpr());
704   E->SubExprs[BinaryConditionalOperator::COMMON] = Reader.ReadSubExpr();
705   E->SubExprs[BinaryConditionalOperator::COND] = Reader.ReadSubExpr();
706   E->SubExprs[BinaryConditionalOperator::LHS] = Reader.ReadSubExpr();
707   E->SubExprs[BinaryConditionalOperator::RHS] = Reader.ReadSubExpr();
708   E->QuestionLoc = ReadSourceLocation(Record, Idx);
709   E->ColonLoc = ReadSourceLocation(Record, Idx);
710 }
711 
VisitImplicitCastExpr(ImplicitCastExpr * E)712 void ASTStmtReader::VisitImplicitCastExpr(ImplicitCastExpr *E) {
713   VisitCastExpr(E);
714 }
715 
VisitExplicitCastExpr(ExplicitCastExpr * E)716 void ASTStmtReader::VisitExplicitCastExpr(ExplicitCastExpr *E) {
717   VisitCastExpr(E);
718   E->setTypeInfoAsWritten(GetTypeSourceInfo(Record, Idx));
719 }
720 
VisitCStyleCastExpr(CStyleCastExpr * E)721 void ASTStmtReader::VisitCStyleCastExpr(CStyleCastExpr *E) {
722   VisitExplicitCastExpr(E);
723   E->setLParenLoc(ReadSourceLocation(Record, Idx));
724   E->setRParenLoc(ReadSourceLocation(Record, Idx));
725 }
726 
VisitCompoundLiteralExpr(CompoundLiteralExpr * E)727 void ASTStmtReader::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
728   VisitExpr(E);
729   E->setLParenLoc(ReadSourceLocation(Record, Idx));
730   E->setTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
731   E->setInitializer(Reader.ReadSubExpr());
732   E->setFileScope(Record[Idx++]);
733 }
734 
VisitExtVectorElementExpr(ExtVectorElementExpr * E)735 void ASTStmtReader::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
736   VisitExpr(E);
737   E->setBase(Reader.ReadSubExpr());
738   E->setAccessor(Reader.GetIdentifierInfo(F, Record, Idx));
739   E->setAccessorLoc(ReadSourceLocation(Record, Idx));
740 }
741 
VisitInitListExpr(InitListExpr * E)742 void ASTStmtReader::VisitInitListExpr(InitListExpr *E) {
743   VisitExpr(E);
744   if (InitListExpr *SyntForm = cast_or_null<InitListExpr>(Reader.ReadSubStmt()))
745     E->setSyntacticForm(SyntForm);
746   E->setLBraceLoc(ReadSourceLocation(Record, Idx));
747   E->setRBraceLoc(ReadSourceLocation(Record, Idx));
748   bool isArrayFiller = Record[Idx++];
749   Expr *filler = nullptr;
750   if (isArrayFiller) {
751     filler = Reader.ReadSubExpr();
752     E->ArrayFillerOrUnionFieldInit = filler;
753   } else
754     E->ArrayFillerOrUnionFieldInit = ReadDeclAs<FieldDecl>(Record, Idx);
755   E->sawArrayRangeDesignator(Record[Idx++]);
756   unsigned NumInits = Record[Idx++];
757   E->reserveInits(Reader.getContext(), NumInits);
758   if (isArrayFiller) {
759     for (unsigned I = 0; I != NumInits; ++I) {
760       Expr *init = Reader.ReadSubExpr();
761       E->updateInit(Reader.getContext(), I, init ? init : filler);
762     }
763   } else {
764     for (unsigned I = 0; I != NumInits; ++I)
765       E->updateInit(Reader.getContext(), I, Reader.ReadSubExpr());
766   }
767 }
768 
VisitDesignatedInitExpr(DesignatedInitExpr * E)769 void ASTStmtReader::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
770   typedef DesignatedInitExpr::Designator Designator;
771 
772   VisitExpr(E);
773   unsigned NumSubExprs = Record[Idx++];
774   assert(NumSubExprs == E->getNumSubExprs() && "Wrong number of subexprs");
775   for (unsigned I = 0; I != NumSubExprs; ++I)
776     E->setSubExpr(I, Reader.ReadSubExpr());
777   E->setEqualOrColonLoc(ReadSourceLocation(Record, Idx));
778   E->setGNUSyntax(Record[Idx++]);
779 
780   SmallVector<Designator, 4> Designators;
781   while (Idx < Record.size()) {
782     switch ((DesignatorTypes)Record[Idx++]) {
783     case DESIG_FIELD_DECL: {
784       FieldDecl *Field = ReadDeclAs<FieldDecl>(Record, Idx);
785       SourceLocation DotLoc
786         = ReadSourceLocation(Record, Idx);
787       SourceLocation FieldLoc
788         = ReadSourceLocation(Record, Idx);
789       Designators.push_back(Designator(Field->getIdentifier(), DotLoc,
790                                        FieldLoc));
791       Designators.back().setField(Field);
792       break;
793     }
794 
795     case DESIG_FIELD_NAME: {
796       const IdentifierInfo *Name = Reader.GetIdentifierInfo(F, Record, Idx);
797       SourceLocation DotLoc
798         = ReadSourceLocation(Record, Idx);
799       SourceLocation FieldLoc
800         = ReadSourceLocation(Record, Idx);
801       Designators.push_back(Designator(Name, DotLoc, FieldLoc));
802       break;
803     }
804 
805     case DESIG_ARRAY: {
806       unsigned Index = Record[Idx++];
807       SourceLocation LBracketLoc
808         = ReadSourceLocation(Record, Idx);
809       SourceLocation RBracketLoc
810         = ReadSourceLocation(Record, Idx);
811       Designators.push_back(Designator(Index, LBracketLoc, RBracketLoc));
812       break;
813     }
814 
815     case DESIG_ARRAY_RANGE: {
816       unsigned Index = Record[Idx++];
817       SourceLocation LBracketLoc
818         = ReadSourceLocation(Record, Idx);
819       SourceLocation EllipsisLoc
820         = ReadSourceLocation(Record, Idx);
821       SourceLocation RBracketLoc
822         = ReadSourceLocation(Record, Idx);
823       Designators.push_back(Designator(Index, LBracketLoc, EllipsisLoc,
824                                        RBracketLoc));
825       break;
826     }
827     }
828   }
829   E->setDesignators(Reader.getContext(),
830                     Designators.data(), Designators.size());
831 }
832 
VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr * E)833 void ASTStmtReader::VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr *E) {
834   VisitExpr(E);
835   E->setBase(Reader.ReadSubExpr());
836   E->setUpdater(Reader.ReadSubExpr());
837 }
838 
VisitNoInitExpr(NoInitExpr * E)839 void ASTStmtReader::VisitNoInitExpr(NoInitExpr *E) {
840   VisitExpr(E);
841 }
842 
VisitImplicitValueInitExpr(ImplicitValueInitExpr * E)843 void ASTStmtReader::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
844   VisitExpr(E);
845 }
846 
VisitVAArgExpr(VAArgExpr * E)847 void ASTStmtReader::VisitVAArgExpr(VAArgExpr *E) {
848   VisitExpr(E);
849   E->setSubExpr(Reader.ReadSubExpr());
850   E->setWrittenTypeInfo(GetTypeSourceInfo(Record, Idx));
851   E->setBuiltinLoc(ReadSourceLocation(Record, Idx));
852   E->setRParenLoc(ReadSourceLocation(Record, Idx));
853   E->setIsMicrosoftABI(Record[Idx++]);
854 }
855 
VisitAddrLabelExpr(AddrLabelExpr * E)856 void ASTStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) {
857   VisitExpr(E);
858   E->setAmpAmpLoc(ReadSourceLocation(Record, Idx));
859   E->setLabelLoc(ReadSourceLocation(Record, Idx));
860   E->setLabel(ReadDeclAs<LabelDecl>(Record, Idx));
861 }
862 
VisitStmtExpr(StmtExpr * E)863 void ASTStmtReader::VisitStmtExpr(StmtExpr *E) {
864   VisitExpr(E);
865   E->setLParenLoc(ReadSourceLocation(Record, Idx));
866   E->setRParenLoc(ReadSourceLocation(Record, Idx));
867   E->setSubStmt(cast_or_null<CompoundStmt>(Reader.ReadSubStmt()));
868 }
869 
VisitChooseExpr(ChooseExpr * E)870 void ASTStmtReader::VisitChooseExpr(ChooseExpr *E) {
871   VisitExpr(E);
872   E->setCond(Reader.ReadSubExpr());
873   E->setLHS(Reader.ReadSubExpr());
874   E->setRHS(Reader.ReadSubExpr());
875   E->setBuiltinLoc(ReadSourceLocation(Record, Idx));
876   E->setRParenLoc(ReadSourceLocation(Record, Idx));
877   E->setIsConditionTrue(Record[Idx++]);
878 }
879 
VisitGNUNullExpr(GNUNullExpr * E)880 void ASTStmtReader::VisitGNUNullExpr(GNUNullExpr *E) {
881   VisitExpr(E);
882   E->setTokenLocation(ReadSourceLocation(Record, Idx));
883 }
884 
VisitShuffleVectorExpr(ShuffleVectorExpr * E)885 void ASTStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
886   VisitExpr(E);
887   SmallVector<Expr *, 16> Exprs;
888   unsigned NumExprs = Record[Idx++];
889   while (NumExprs--)
890     Exprs.push_back(Reader.ReadSubExpr());
891   E->setExprs(Reader.getContext(), Exprs);
892   E->setBuiltinLoc(ReadSourceLocation(Record, Idx));
893   E->setRParenLoc(ReadSourceLocation(Record, Idx));
894 }
895 
VisitConvertVectorExpr(ConvertVectorExpr * E)896 void ASTStmtReader::VisitConvertVectorExpr(ConvertVectorExpr *E) {
897   VisitExpr(E);
898   E->BuiltinLoc = ReadSourceLocation(Record, Idx);
899   E->RParenLoc = ReadSourceLocation(Record, Idx);
900   E->TInfo = GetTypeSourceInfo(Record, Idx);
901   E->SrcExpr = Reader.ReadSubExpr();
902 }
903 
VisitBlockExpr(BlockExpr * E)904 void ASTStmtReader::VisitBlockExpr(BlockExpr *E) {
905   VisitExpr(E);
906   E->setBlockDecl(ReadDeclAs<BlockDecl>(Record, Idx));
907 }
908 
VisitGenericSelectionExpr(GenericSelectionExpr * E)909 void ASTStmtReader::VisitGenericSelectionExpr(GenericSelectionExpr *E) {
910   VisitExpr(E);
911   E->NumAssocs = Record[Idx++];
912   E->AssocTypes = new (Reader.getContext()) TypeSourceInfo*[E->NumAssocs];
913   E->SubExprs =
914    new(Reader.getContext()) Stmt*[GenericSelectionExpr::END_EXPR+E->NumAssocs];
915 
916   E->SubExprs[GenericSelectionExpr::CONTROLLING] = Reader.ReadSubExpr();
917   for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) {
918     E->AssocTypes[I] = GetTypeSourceInfo(Record, Idx);
919     E->SubExprs[GenericSelectionExpr::END_EXPR+I] = Reader.ReadSubExpr();
920   }
921   E->ResultIndex = Record[Idx++];
922 
923   E->GenericLoc = ReadSourceLocation(Record, Idx);
924   E->DefaultLoc = ReadSourceLocation(Record, Idx);
925   E->RParenLoc = ReadSourceLocation(Record, Idx);
926 }
927 
VisitPseudoObjectExpr(PseudoObjectExpr * E)928 void ASTStmtReader::VisitPseudoObjectExpr(PseudoObjectExpr *E) {
929   VisitExpr(E);
930   unsigned numSemanticExprs = Record[Idx++];
931   assert(numSemanticExprs + 1 == E->PseudoObjectExprBits.NumSubExprs);
932   E->PseudoObjectExprBits.ResultIndex = Record[Idx++];
933 
934   // Read the syntactic expression.
935   E->getSubExprsBuffer()[0] = Reader.ReadSubExpr();
936 
937   // Read all the semantic expressions.
938   for (unsigned i = 0; i != numSemanticExprs; ++i) {
939     Expr *subExpr = Reader.ReadSubExpr();
940     E->getSubExprsBuffer()[i+1] = subExpr;
941   }
942 }
943 
VisitAtomicExpr(AtomicExpr * E)944 void ASTStmtReader::VisitAtomicExpr(AtomicExpr *E) {
945   VisitExpr(E);
946   E->Op = AtomicExpr::AtomicOp(Record[Idx++]);
947   E->NumSubExprs = AtomicExpr::getNumSubExprs(E->Op);
948   for (unsigned I = 0; I != E->NumSubExprs; ++I)
949     E->SubExprs[I] = Reader.ReadSubExpr();
950   E->BuiltinLoc = ReadSourceLocation(Record, Idx);
951   E->RParenLoc = ReadSourceLocation(Record, Idx);
952 }
953 
954 //===----------------------------------------------------------------------===//
955 // Objective-C Expressions and Statements
956 
VisitObjCStringLiteral(ObjCStringLiteral * E)957 void ASTStmtReader::VisitObjCStringLiteral(ObjCStringLiteral *E) {
958   VisitExpr(E);
959   E->setString(cast<StringLiteral>(Reader.ReadSubStmt()));
960   E->setAtLoc(ReadSourceLocation(Record, Idx));
961 }
962 
VisitObjCBoxedExpr(ObjCBoxedExpr * E)963 void ASTStmtReader::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
964   VisitExpr(E);
965   // could be one of several IntegerLiteral, FloatLiteral, etc.
966   E->SubExpr = Reader.ReadSubStmt();
967   E->BoxingMethod = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
968   E->Range = ReadSourceRange(Record, Idx);
969 }
970 
VisitObjCArrayLiteral(ObjCArrayLiteral * E)971 void ASTStmtReader::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
972   VisitExpr(E);
973   unsigned NumElements = Record[Idx++];
974   assert(NumElements == E->getNumElements() && "Wrong number of elements");
975   Expr **Elements = E->getElements();
976   for (unsigned I = 0, N = NumElements; I != N; ++I)
977     Elements[I] = Reader.ReadSubExpr();
978   E->ArrayWithObjectsMethod = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
979   E->Range = ReadSourceRange(Record, Idx);
980 }
981 
VisitObjCDictionaryLiteral(ObjCDictionaryLiteral * E)982 void ASTStmtReader::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
983   VisitExpr(E);
984   unsigned NumElements = Record[Idx++];
985   assert(NumElements == E->getNumElements() && "Wrong number of elements");
986   bool HasPackExpansions = Record[Idx++];
987   assert(HasPackExpansions == E->HasPackExpansions &&"Pack expansion mismatch");
988   ObjCDictionaryLiteral::KeyValuePair *KeyValues = E->getKeyValues();
989   ObjCDictionaryLiteral::ExpansionData *Expansions = E->getExpansionData();
990   for (unsigned I = 0; I != NumElements; ++I) {
991     KeyValues[I].Key = Reader.ReadSubExpr();
992     KeyValues[I].Value = Reader.ReadSubExpr();
993     if (HasPackExpansions) {
994       Expansions[I].EllipsisLoc = ReadSourceLocation(Record, Idx);
995       Expansions[I].NumExpansionsPlusOne = Record[Idx++];
996     }
997   }
998   E->DictWithObjectsMethod = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
999   E->Range = ReadSourceRange(Record, Idx);
1000 }
1001 
VisitObjCEncodeExpr(ObjCEncodeExpr * E)1002 void ASTStmtReader::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
1003   VisitExpr(E);
1004   E->setEncodedTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
1005   E->setAtLoc(ReadSourceLocation(Record, Idx));
1006   E->setRParenLoc(ReadSourceLocation(Record, Idx));
1007 }
1008 
VisitObjCSelectorExpr(ObjCSelectorExpr * E)1009 void ASTStmtReader::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
1010   VisitExpr(E);
1011   E->setSelector(Reader.ReadSelector(F, Record, Idx));
1012   E->setAtLoc(ReadSourceLocation(Record, Idx));
1013   E->setRParenLoc(ReadSourceLocation(Record, Idx));
1014 }
1015 
VisitObjCProtocolExpr(ObjCProtocolExpr * E)1016 void ASTStmtReader::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
1017   VisitExpr(E);
1018   E->setProtocol(ReadDeclAs<ObjCProtocolDecl>(Record, Idx));
1019   E->setAtLoc(ReadSourceLocation(Record, Idx));
1020   E->ProtoLoc = ReadSourceLocation(Record, Idx);
1021   E->setRParenLoc(ReadSourceLocation(Record, Idx));
1022 }
1023 
VisitObjCIvarRefExpr(ObjCIvarRefExpr * E)1024 void ASTStmtReader::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
1025   VisitExpr(E);
1026   E->setDecl(ReadDeclAs<ObjCIvarDecl>(Record, Idx));
1027   E->setLocation(ReadSourceLocation(Record, Idx));
1028   E->setOpLoc(ReadSourceLocation(Record, Idx));
1029   E->setBase(Reader.ReadSubExpr());
1030   E->setIsArrow(Record[Idx++]);
1031   E->setIsFreeIvar(Record[Idx++]);
1032 }
1033 
VisitObjCPropertyRefExpr(ObjCPropertyRefExpr * E)1034 void ASTStmtReader::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
1035   VisitExpr(E);
1036   unsigned MethodRefFlags = Record[Idx++];
1037   bool Implicit = Record[Idx++] != 0;
1038   if (Implicit) {
1039     ObjCMethodDecl *Getter = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
1040     ObjCMethodDecl *Setter = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
1041     E->setImplicitProperty(Getter, Setter, MethodRefFlags);
1042   } else {
1043     E->setExplicitProperty(ReadDeclAs<ObjCPropertyDecl>(Record, Idx),
1044                            MethodRefFlags);
1045   }
1046   E->setLocation(ReadSourceLocation(Record, Idx));
1047   E->setReceiverLocation(ReadSourceLocation(Record, Idx));
1048   switch (Record[Idx++]) {
1049   case 0:
1050     E->setBase(Reader.ReadSubExpr());
1051     break;
1052   case 1:
1053     E->setSuperReceiver(Reader.readType(F, Record, Idx));
1054     break;
1055   case 2:
1056     E->setClassReceiver(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx));
1057     break;
1058   }
1059 }
1060 
VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr * E)1061 void ASTStmtReader::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) {
1062   VisitExpr(E);
1063   E->setRBracket(ReadSourceLocation(Record, Idx));
1064   E->setBaseExpr(Reader.ReadSubExpr());
1065   E->setKeyExpr(Reader.ReadSubExpr());
1066   E->GetAtIndexMethodDecl = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
1067   E->SetAtIndexMethodDecl = ReadDeclAs<ObjCMethodDecl>(Record, Idx);
1068 }
1069 
VisitObjCMessageExpr(ObjCMessageExpr * E)1070 void ASTStmtReader::VisitObjCMessageExpr(ObjCMessageExpr *E) {
1071   VisitExpr(E);
1072   assert(Record[Idx] == E->getNumArgs());
1073   ++Idx;
1074   unsigned NumStoredSelLocs = Record[Idx++];
1075   E->SelLocsKind = Record[Idx++];
1076   E->setDelegateInitCall(Record[Idx++]);
1077   E->IsImplicit = Record[Idx++];
1078   ObjCMessageExpr::ReceiverKind Kind
1079     = static_cast<ObjCMessageExpr::ReceiverKind>(Record[Idx++]);
1080   switch (Kind) {
1081   case ObjCMessageExpr::Instance:
1082     E->setInstanceReceiver(Reader.ReadSubExpr());
1083     break;
1084 
1085   case ObjCMessageExpr::Class:
1086     E->setClassReceiver(GetTypeSourceInfo(Record, Idx));
1087     break;
1088 
1089   case ObjCMessageExpr::SuperClass:
1090   case ObjCMessageExpr::SuperInstance: {
1091     QualType T = Reader.readType(F, Record, Idx);
1092     SourceLocation SuperLoc = ReadSourceLocation(Record, Idx);
1093     E->setSuper(SuperLoc, T, Kind == ObjCMessageExpr::SuperInstance);
1094     break;
1095   }
1096   }
1097 
1098   assert(Kind == E->getReceiverKind());
1099 
1100   if (Record[Idx++])
1101     E->setMethodDecl(ReadDeclAs<ObjCMethodDecl>(Record, Idx));
1102   else
1103     E->setSelector(Reader.ReadSelector(F, Record, Idx));
1104 
1105   E->LBracLoc = ReadSourceLocation(Record, Idx);
1106   E->RBracLoc = ReadSourceLocation(Record, Idx);
1107 
1108   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1109     E->setArg(I, Reader.ReadSubExpr());
1110 
1111   SourceLocation *Locs = E->getStoredSelLocs();
1112   for (unsigned I = 0; I != NumStoredSelLocs; ++I)
1113     Locs[I] = ReadSourceLocation(Record, Idx);
1114 }
1115 
VisitObjCForCollectionStmt(ObjCForCollectionStmt * S)1116 void ASTStmtReader::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
1117   VisitStmt(S);
1118   S->setElement(Reader.ReadSubStmt());
1119   S->setCollection(Reader.ReadSubExpr());
1120   S->setBody(Reader.ReadSubStmt());
1121   S->setForLoc(ReadSourceLocation(Record, Idx));
1122   S->setRParenLoc(ReadSourceLocation(Record, Idx));
1123 }
1124 
VisitObjCAtCatchStmt(ObjCAtCatchStmt * S)1125 void ASTStmtReader::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
1126   VisitStmt(S);
1127   S->setCatchBody(Reader.ReadSubStmt());
1128   S->setCatchParamDecl(ReadDeclAs<VarDecl>(Record, Idx));
1129   S->setAtCatchLoc(ReadSourceLocation(Record, Idx));
1130   S->setRParenLoc(ReadSourceLocation(Record, Idx));
1131 }
1132 
VisitObjCAtFinallyStmt(ObjCAtFinallyStmt * S)1133 void ASTStmtReader::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
1134   VisitStmt(S);
1135   S->setFinallyBody(Reader.ReadSubStmt());
1136   S->setAtFinallyLoc(ReadSourceLocation(Record, Idx));
1137 }
1138 
VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt * S)1139 void ASTStmtReader::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) {
1140   VisitStmt(S);
1141   S->setSubStmt(Reader.ReadSubStmt());
1142   S->setAtLoc(ReadSourceLocation(Record, Idx));
1143 }
1144 
VisitObjCAtTryStmt(ObjCAtTryStmt * S)1145 void ASTStmtReader::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
1146   VisitStmt(S);
1147   assert(Record[Idx] == S->getNumCatchStmts());
1148   ++Idx;
1149   bool HasFinally = Record[Idx++];
1150   S->setTryBody(Reader.ReadSubStmt());
1151   for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
1152     S->setCatchStmt(I, cast_or_null<ObjCAtCatchStmt>(Reader.ReadSubStmt()));
1153 
1154   if (HasFinally)
1155     S->setFinallyStmt(Reader.ReadSubStmt());
1156   S->setAtTryLoc(ReadSourceLocation(Record, Idx));
1157 }
1158 
VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt * S)1159 void ASTStmtReader::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
1160   VisitStmt(S);
1161   S->setSynchExpr(Reader.ReadSubStmt());
1162   S->setSynchBody(Reader.ReadSubStmt());
1163   S->setAtSynchronizedLoc(ReadSourceLocation(Record, Idx));
1164 }
1165 
VisitObjCAtThrowStmt(ObjCAtThrowStmt * S)1166 void ASTStmtReader::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
1167   VisitStmt(S);
1168   S->setThrowExpr(Reader.ReadSubStmt());
1169   S->setThrowLoc(ReadSourceLocation(Record, Idx));
1170 }
1171 
VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr * E)1172 void ASTStmtReader::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) {
1173   VisitExpr(E);
1174   E->setValue(Record[Idx++]);
1175   E->setLocation(ReadSourceLocation(Record, Idx));
1176 }
1177 
1178 //===----------------------------------------------------------------------===//
1179 // C++ Expressions and Statements
1180 //===----------------------------------------------------------------------===//
1181 
VisitCXXCatchStmt(CXXCatchStmt * S)1182 void ASTStmtReader::VisitCXXCatchStmt(CXXCatchStmt *S) {
1183   VisitStmt(S);
1184   S->CatchLoc = ReadSourceLocation(Record, Idx);
1185   S->ExceptionDecl = ReadDeclAs<VarDecl>(Record, Idx);
1186   S->HandlerBlock = Reader.ReadSubStmt();
1187 }
1188 
VisitCXXTryStmt(CXXTryStmt * S)1189 void ASTStmtReader::VisitCXXTryStmt(CXXTryStmt *S) {
1190   VisitStmt(S);
1191   assert(Record[Idx] == S->getNumHandlers() && "NumStmtFields is wrong ?");
1192   ++Idx;
1193   S->TryLoc = ReadSourceLocation(Record, Idx);
1194   S->getStmts()[0] = Reader.ReadSubStmt();
1195   for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
1196     S->getStmts()[i + 1] = Reader.ReadSubStmt();
1197 }
1198 
VisitCXXForRangeStmt(CXXForRangeStmt * S)1199 void ASTStmtReader::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
1200   VisitStmt(S);
1201   S->ForLoc = ReadSourceLocation(Record, Idx);
1202   S->CoawaitLoc = ReadSourceLocation(Record, Idx);
1203   S->ColonLoc = ReadSourceLocation(Record, Idx);
1204   S->RParenLoc = ReadSourceLocation(Record, Idx);
1205   S->setRangeStmt(Reader.ReadSubStmt());
1206   S->setBeginEndStmt(Reader.ReadSubStmt());
1207   S->setCond(Reader.ReadSubExpr());
1208   S->setInc(Reader.ReadSubExpr());
1209   S->setLoopVarStmt(Reader.ReadSubStmt());
1210   S->setBody(Reader.ReadSubStmt());
1211 }
1212 
VisitMSDependentExistsStmt(MSDependentExistsStmt * S)1213 void ASTStmtReader::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) {
1214   VisitStmt(S);
1215   S->KeywordLoc = ReadSourceLocation(Record, Idx);
1216   S->IsIfExists = Record[Idx++];
1217   S->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1218   ReadDeclarationNameInfo(S->NameInfo, Record, Idx);
1219   S->SubStmt = Reader.ReadSubStmt();
1220 }
1221 
VisitCXXOperatorCallExpr(CXXOperatorCallExpr * E)1222 void ASTStmtReader::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
1223   VisitCallExpr(E);
1224   E->Operator = (OverloadedOperatorKind)Record[Idx++];
1225   E->Range = Reader.ReadSourceRange(F, Record, Idx);
1226   E->setFPContractable((bool)Record[Idx++]);
1227 }
1228 
VisitCXXConstructExpr(CXXConstructExpr * E)1229 void ASTStmtReader::VisitCXXConstructExpr(CXXConstructExpr *E) {
1230   VisitExpr(E);
1231   E->NumArgs = Record[Idx++];
1232   if (E->NumArgs)
1233     E->Args = new (Reader.getContext()) Stmt*[E->NumArgs];
1234   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1235     E->setArg(I, Reader.ReadSubExpr());
1236   E->setConstructor(ReadDeclAs<CXXConstructorDecl>(Record, Idx));
1237   E->setLocation(ReadSourceLocation(Record, Idx));
1238   E->setElidable(Record[Idx++]);
1239   E->setHadMultipleCandidates(Record[Idx++]);
1240   E->setListInitialization(Record[Idx++]);
1241   E->setStdInitListInitialization(Record[Idx++]);
1242   E->setRequiresZeroInitialization(Record[Idx++]);
1243   E->setConstructionKind((CXXConstructExpr::ConstructionKind)Record[Idx++]);
1244   E->ParenOrBraceRange = ReadSourceRange(Record, Idx);
1245 }
1246 
VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr * E)1247 void ASTStmtReader::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
1248   VisitCXXConstructExpr(E);
1249   E->Type = GetTypeSourceInfo(Record, Idx);
1250 }
1251 
VisitLambdaExpr(LambdaExpr * E)1252 void ASTStmtReader::VisitLambdaExpr(LambdaExpr *E) {
1253   VisitExpr(E);
1254   unsigned NumCaptures = Record[Idx++];
1255   assert(NumCaptures == E->NumCaptures);(void)NumCaptures;
1256   unsigned NumArrayIndexVars = Record[Idx++];
1257   E->IntroducerRange = ReadSourceRange(Record, Idx);
1258   E->CaptureDefault = static_cast<LambdaCaptureDefault>(Record[Idx++]);
1259   E->CaptureDefaultLoc = ReadSourceLocation(Record, Idx);
1260   E->ExplicitParams = Record[Idx++];
1261   E->ExplicitResultType = Record[Idx++];
1262   E->ClosingBrace = ReadSourceLocation(Record, Idx);
1263 
1264   // Read capture initializers.
1265   for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(),
1266                                       CEnd = E->capture_init_end();
1267        C != CEnd; ++C)
1268     *C = Reader.ReadSubExpr();
1269 
1270   // Read array capture index variables.
1271   if (NumArrayIndexVars > 0) {
1272     unsigned *ArrayIndexStarts = E->getArrayIndexStarts();
1273     for (unsigned I = 0; I != NumCaptures + 1; ++I)
1274       ArrayIndexStarts[I] = Record[Idx++];
1275 
1276     VarDecl **ArrayIndexVars = E->getArrayIndexVars();
1277     for (unsigned I = 0; I != NumArrayIndexVars; ++I)
1278       ArrayIndexVars[I] = ReadDeclAs<VarDecl>(Record, Idx);
1279   }
1280 }
1281 
1282 void
VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr * E)1283 ASTStmtReader::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
1284   VisitExpr(E);
1285   E->SubExpr = Reader.ReadSubExpr();
1286 }
1287 
VisitCXXNamedCastExpr(CXXNamedCastExpr * E)1288 void ASTStmtReader::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
1289   VisitExplicitCastExpr(E);
1290   SourceRange R = ReadSourceRange(Record, Idx);
1291   E->Loc = R.getBegin();
1292   E->RParenLoc = R.getEnd();
1293   R = ReadSourceRange(Record, Idx);
1294   E->AngleBrackets = R;
1295 }
1296 
VisitCXXStaticCastExpr(CXXStaticCastExpr * E)1297 void ASTStmtReader::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
1298   return VisitCXXNamedCastExpr(E);
1299 }
1300 
VisitCXXDynamicCastExpr(CXXDynamicCastExpr * E)1301 void ASTStmtReader::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
1302   return VisitCXXNamedCastExpr(E);
1303 }
1304 
VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr * E)1305 void ASTStmtReader::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
1306   return VisitCXXNamedCastExpr(E);
1307 }
1308 
VisitCXXConstCastExpr(CXXConstCastExpr * E)1309 void ASTStmtReader::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
1310   return VisitCXXNamedCastExpr(E);
1311 }
1312 
VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr * E)1313 void ASTStmtReader::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
1314   VisitExplicitCastExpr(E);
1315   E->setLParenLoc(ReadSourceLocation(Record, Idx));
1316   E->setRParenLoc(ReadSourceLocation(Record, Idx));
1317 }
1318 
VisitUserDefinedLiteral(UserDefinedLiteral * E)1319 void ASTStmtReader::VisitUserDefinedLiteral(UserDefinedLiteral *E) {
1320   VisitCallExpr(E);
1321   E->UDSuffixLoc = ReadSourceLocation(Record, Idx);
1322 }
1323 
VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr * E)1324 void ASTStmtReader::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
1325   VisitExpr(E);
1326   E->setValue(Record[Idx++]);
1327   E->setLocation(ReadSourceLocation(Record, Idx));
1328 }
1329 
VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr * E)1330 void ASTStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
1331   VisitExpr(E);
1332   E->setLocation(ReadSourceLocation(Record, Idx));
1333 }
1334 
VisitCXXTypeidExpr(CXXTypeidExpr * E)1335 void ASTStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
1336   VisitExpr(E);
1337   E->setSourceRange(ReadSourceRange(Record, Idx));
1338   if (E->isTypeOperand()) { // typeid(int)
1339     E->setTypeOperandSourceInfo(
1340         GetTypeSourceInfo(Record, Idx));
1341     return;
1342   }
1343 
1344   // typeid(42+2)
1345   E->setExprOperand(Reader.ReadSubExpr());
1346 }
1347 
VisitCXXThisExpr(CXXThisExpr * E)1348 void ASTStmtReader::VisitCXXThisExpr(CXXThisExpr *E) {
1349   VisitExpr(E);
1350   E->setLocation(ReadSourceLocation(Record, Idx));
1351   E->setImplicit(Record[Idx++]);
1352 }
1353 
VisitCXXThrowExpr(CXXThrowExpr * E)1354 void ASTStmtReader::VisitCXXThrowExpr(CXXThrowExpr *E) {
1355   VisitExpr(E);
1356   E->ThrowLoc = ReadSourceLocation(Record, Idx);
1357   E->Op = Reader.ReadSubExpr();
1358   E->IsThrownVariableInScope = Record[Idx++];
1359 }
1360 
VisitCXXDefaultArgExpr(CXXDefaultArgExpr * E)1361 void ASTStmtReader::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
1362   VisitExpr(E);
1363 
1364   assert((bool)Record[Idx] == E->Param.getInt() && "We messed up at creation ?");
1365   ++Idx; // HasOtherExprStored and SubExpr was handled during creation.
1366   E->Param.setPointer(ReadDeclAs<ParmVarDecl>(Record, Idx));
1367   E->Loc = ReadSourceLocation(Record, Idx);
1368 }
1369 
VisitCXXDefaultInitExpr(CXXDefaultInitExpr * E)1370 void ASTStmtReader::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
1371   VisitExpr(E);
1372   E->Field = ReadDeclAs<FieldDecl>(Record, Idx);
1373   E->Loc = ReadSourceLocation(Record, Idx);
1374 }
1375 
VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr * E)1376 void ASTStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
1377   VisitExpr(E);
1378   E->setTemporary(Reader.ReadCXXTemporary(F, Record, Idx));
1379   E->setSubExpr(Reader.ReadSubExpr());
1380 }
1381 
VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr * E)1382 void ASTStmtReader::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
1383   VisitExpr(E);
1384   E->TypeInfo = GetTypeSourceInfo(Record, Idx);
1385   E->RParenLoc = ReadSourceLocation(Record, Idx);
1386 }
1387 
VisitCXXNewExpr(CXXNewExpr * E)1388 void ASTStmtReader::VisitCXXNewExpr(CXXNewExpr *E) {
1389   VisitExpr(E);
1390   E->GlobalNew = Record[Idx++];
1391   bool isArray = Record[Idx++];
1392   E->UsualArrayDeleteWantsSize = Record[Idx++];
1393   unsigned NumPlacementArgs = Record[Idx++];
1394   E->StoredInitializationStyle = Record[Idx++];
1395   E->setOperatorNew(ReadDeclAs<FunctionDecl>(Record, Idx));
1396   E->setOperatorDelete(ReadDeclAs<FunctionDecl>(Record, Idx));
1397   E->AllocatedTypeInfo = GetTypeSourceInfo(Record, Idx);
1398   E->TypeIdParens = ReadSourceRange(Record, Idx);
1399   E->Range = ReadSourceRange(Record, Idx);
1400   E->DirectInitRange = ReadSourceRange(Record, Idx);
1401 
1402   E->AllocateArgsArray(Reader.getContext(), isArray, NumPlacementArgs,
1403                        E->StoredInitializationStyle != 0);
1404 
1405   // Install all the subexpressions.
1406   for (CXXNewExpr::raw_arg_iterator I = E->raw_arg_begin(),e = E->raw_arg_end();
1407        I != e; ++I)
1408     *I = Reader.ReadSubStmt();
1409 }
1410 
VisitCXXDeleteExpr(CXXDeleteExpr * E)1411 void ASTStmtReader::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1412   VisitExpr(E);
1413   E->GlobalDelete = Record[Idx++];
1414   E->ArrayForm = Record[Idx++];
1415   E->ArrayFormAsWritten = Record[Idx++];
1416   E->UsualArrayDeleteWantsSize = Record[Idx++];
1417   E->OperatorDelete = ReadDeclAs<FunctionDecl>(Record, Idx);
1418   E->Argument = Reader.ReadSubExpr();
1419   E->Loc = ReadSourceLocation(Record, Idx);
1420 }
1421 
VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr * E)1422 void ASTStmtReader::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1423   VisitExpr(E);
1424 
1425   E->Base = Reader.ReadSubExpr();
1426   E->IsArrow = Record[Idx++];
1427   E->OperatorLoc = ReadSourceLocation(Record, Idx);
1428   E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1429   E->ScopeType = GetTypeSourceInfo(Record, Idx);
1430   E->ColonColonLoc = ReadSourceLocation(Record, Idx);
1431   E->TildeLoc = ReadSourceLocation(Record, Idx);
1432 
1433   IdentifierInfo *II = Reader.GetIdentifierInfo(F, Record, Idx);
1434   if (II)
1435     E->setDestroyedType(II, ReadSourceLocation(Record, Idx));
1436   else
1437     E->setDestroyedType(GetTypeSourceInfo(Record, Idx));
1438 }
1439 
VisitExprWithCleanups(ExprWithCleanups * E)1440 void ASTStmtReader::VisitExprWithCleanups(ExprWithCleanups *E) {
1441   VisitExpr(E);
1442 
1443   unsigned NumObjects = Record[Idx++];
1444   assert(NumObjects == E->getNumObjects());
1445   for (unsigned i = 0; i != NumObjects; ++i)
1446     E->getObjectsBuffer()[i] = ReadDeclAs<BlockDecl>(Record, Idx);
1447 
1448   E->SubExpr = Reader.ReadSubExpr();
1449 }
1450 
1451 void
VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr * E)1452 ASTStmtReader::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
1453   VisitExpr(E);
1454 
1455   if (Record[Idx++]) // HasTemplateKWAndArgsInfo
1456     ReadTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo(),
1457                               /*NumTemplateArgs=*/Record[Idx++]);
1458 
1459   E->Base = Reader.ReadSubExpr();
1460   E->BaseType = Reader.readType(F, Record, Idx);
1461   E->IsArrow = Record[Idx++];
1462   E->OperatorLoc = ReadSourceLocation(Record, Idx);
1463   E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1464   E->FirstQualifierFoundInScope = ReadDeclAs<NamedDecl>(Record, Idx);
1465   ReadDeclarationNameInfo(E->MemberNameInfo, Record, Idx);
1466 }
1467 
1468 void
VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr * E)1469 ASTStmtReader::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
1470   VisitExpr(E);
1471 
1472   if (Record[Idx++]) // HasTemplateKWAndArgsInfo
1473     ReadTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo(),
1474                               /*NumTemplateArgs=*/Record[Idx++]);
1475 
1476   E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1477   ReadDeclarationNameInfo(E->NameInfo, Record, Idx);
1478 }
1479 
1480 void
VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr * E)1481 ASTStmtReader::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
1482   VisitExpr(E);
1483   assert(Record[Idx] == E->arg_size() && "Read wrong record during creation ?");
1484   ++Idx; // NumArgs;
1485   for (unsigned I = 0, N = E->arg_size(); I != N; ++I)
1486     E->setArg(I, Reader.ReadSubExpr());
1487   E->Type = GetTypeSourceInfo(Record, Idx);
1488   E->setLParenLoc(ReadSourceLocation(Record, Idx));
1489   E->setRParenLoc(ReadSourceLocation(Record, Idx));
1490 }
1491 
VisitOverloadExpr(OverloadExpr * E)1492 void ASTStmtReader::VisitOverloadExpr(OverloadExpr *E) {
1493   VisitExpr(E);
1494 
1495   if (Record[Idx++]) // HasTemplateKWAndArgsInfo
1496     ReadTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo(),
1497                               /*NumTemplateArgs=*/Record[Idx++]);
1498 
1499   unsigned NumDecls = Record[Idx++];
1500   UnresolvedSet<8> Decls;
1501   for (unsigned i = 0; i != NumDecls; ++i) {
1502     NamedDecl *D = ReadDeclAs<NamedDecl>(Record, Idx);
1503     AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
1504     Decls.addDecl(D, AS);
1505   }
1506   E->initializeResults(Reader.getContext(), Decls.begin(), Decls.end());
1507 
1508   ReadDeclarationNameInfo(E->NameInfo, Record, Idx);
1509   E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1510 }
1511 
VisitUnresolvedMemberExpr(UnresolvedMemberExpr * E)1512 void ASTStmtReader::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
1513   VisitOverloadExpr(E);
1514   E->IsArrow = Record[Idx++];
1515   E->HasUnresolvedUsing = Record[Idx++];
1516   E->Base = Reader.ReadSubExpr();
1517   E->BaseType = Reader.readType(F, Record, Idx);
1518   E->OperatorLoc = ReadSourceLocation(Record, Idx);
1519 }
1520 
VisitUnresolvedLookupExpr(UnresolvedLookupExpr * E)1521 void ASTStmtReader::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
1522   VisitOverloadExpr(E);
1523   E->RequiresADL = Record[Idx++];
1524   E->Overloaded = Record[Idx++];
1525   E->NamingClass = ReadDeclAs<CXXRecordDecl>(Record, Idx);
1526 }
1527 
VisitTypeTraitExpr(TypeTraitExpr * E)1528 void ASTStmtReader::VisitTypeTraitExpr(TypeTraitExpr *E) {
1529   VisitExpr(E);
1530   E->TypeTraitExprBits.NumArgs = Record[Idx++];
1531   E->TypeTraitExprBits.Kind = Record[Idx++];
1532   E->TypeTraitExprBits.Value = Record[Idx++];
1533   SourceRange Range = ReadSourceRange(Record, Idx);
1534   E->Loc = Range.getBegin();
1535   E->RParenLoc = Range.getEnd();
1536 
1537   TypeSourceInfo **Args = E->getTypeSourceInfos();
1538   for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1539     Args[I] = GetTypeSourceInfo(Record, Idx);
1540 }
1541 
VisitArrayTypeTraitExpr(ArrayTypeTraitExpr * E)1542 void ASTStmtReader::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1543   VisitExpr(E);
1544   E->ATT = (ArrayTypeTrait)Record[Idx++];
1545   E->Value = (unsigned int)Record[Idx++];
1546   SourceRange Range = ReadSourceRange(Record, Idx);
1547   E->Loc = Range.getBegin();
1548   E->RParen = Range.getEnd();
1549   E->QueriedType = GetTypeSourceInfo(Record, Idx);
1550 }
1551 
VisitExpressionTraitExpr(ExpressionTraitExpr * E)1552 void ASTStmtReader::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1553   VisitExpr(E);
1554   E->ET = (ExpressionTrait)Record[Idx++];
1555   E->Value = (bool)Record[Idx++];
1556   SourceRange Range = ReadSourceRange(Record, Idx);
1557   E->QueriedExpression = Reader.ReadSubExpr();
1558   E->Loc = Range.getBegin();
1559   E->RParen = Range.getEnd();
1560 }
1561 
VisitCXXNoexceptExpr(CXXNoexceptExpr * E)1562 void ASTStmtReader::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1563   VisitExpr(E);
1564   E->Value = (bool)Record[Idx++];
1565   E->Range = ReadSourceRange(Record, Idx);
1566   E->Operand = Reader.ReadSubExpr();
1567 }
1568 
VisitPackExpansionExpr(PackExpansionExpr * E)1569 void ASTStmtReader::VisitPackExpansionExpr(PackExpansionExpr *E) {
1570   VisitExpr(E);
1571   E->EllipsisLoc = ReadSourceLocation(Record, Idx);
1572   E->NumExpansions = Record[Idx++];
1573   E->Pattern = Reader.ReadSubExpr();
1574 }
1575 
VisitSizeOfPackExpr(SizeOfPackExpr * E)1576 void ASTStmtReader::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1577   VisitExpr(E);
1578   unsigned NumPartialArgs = Record[Idx++];
1579   E->OperatorLoc = ReadSourceLocation(Record, Idx);
1580   E->PackLoc = ReadSourceLocation(Record, Idx);
1581   E->RParenLoc = ReadSourceLocation(Record, Idx);
1582   E->Pack = Reader.ReadDeclAs<NamedDecl>(F, Record, Idx);
1583   if (E->isPartiallySubstituted()) {
1584     assert(E->Length == NumPartialArgs);
1585     for (auto *I = reinterpret_cast<TemplateArgument *>(E + 1),
1586               *E = I + NumPartialArgs;
1587          I != E; ++I)
1588       new (I) TemplateArgument(Reader.ReadTemplateArgument(F, Record, Idx));
1589   } else if (!E->isValueDependent()) {
1590     E->Length = Record[Idx++];
1591   }
1592 }
1593 
VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr * E)1594 void ASTStmtReader::VisitSubstNonTypeTemplateParmExpr(
1595                                               SubstNonTypeTemplateParmExpr *E) {
1596   VisitExpr(E);
1597   E->Param = ReadDeclAs<NonTypeTemplateParmDecl>(Record, Idx);
1598   E->NameLoc = ReadSourceLocation(Record, Idx);
1599   E->Replacement = Reader.ReadSubExpr();
1600 }
1601 
VisitSubstNonTypeTemplateParmPackExpr(SubstNonTypeTemplateParmPackExpr * E)1602 void ASTStmtReader::VisitSubstNonTypeTemplateParmPackExpr(
1603                                           SubstNonTypeTemplateParmPackExpr *E) {
1604   VisitExpr(E);
1605   E->Param = ReadDeclAs<NonTypeTemplateParmDecl>(Record, Idx);
1606   TemplateArgument ArgPack = Reader.ReadTemplateArgument(F, Record, Idx);
1607   if (ArgPack.getKind() != TemplateArgument::Pack)
1608     return;
1609 
1610   E->Arguments = ArgPack.pack_begin();
1611   E->NumArguments = ArgPack.pack_size();
1612   E->NameLoc = ReadSourceLocation(Record, Idx);
1613 }
1614 
VisitFunctionParmPackExpr(FunctionParmPackExpr * E)1615 void ASTStmtReader::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
1616   VisitExpr(E);
1617   E->NumParameters = Record[Idx++];
1618   E->ParamPack = ReadDeclAs<ParmVarDecl>(Record, Idx);
1619   E->NameLoc = ReadSourceLocation(Record, Idx);
1620   ParmVarDecl **Parms = reinterpret_cast<ParmVarDecl**>(E+1);
1621   for (unsigned i = 0, n = E->NumParameters; i != n; ++i)
1622     Parms[i] = ReadDeclAs<ParmVarDecl>(Record, Idx);
1623 }
1624 
VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr * E)1625 void ASTStmtReader::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
1626   VisitExpr(E);
1627   E->State = Reader.ReadSubExpr();
1628   auto VD = ReadDeclAs<ValueDecl>(Record, Idx);
1629   unsigned ManglingNumber = Record[Idx++];
1630   E->setExtendingDecl(VD, ManglingNumber);
1631 }
1632 
VisitCXXFoldExpr(CXXFoldExpr * E)1633 void ASTStmtReader::VisitCXXFoldExpr(CXXFoldExpr *E) {
1634   VisitExpr(E);
1635   E->LParenLoc = ReadSourceLocation(Record, Idx);
1636   E->EllipsisLoc = ReadSourceLocation(Record, Idx);
1637   E->RParenLoc = ReadSourceLocation(Record, Idx);
1638   E->SubExprs[0] = Reader.ReadSubExpr();
1639   E->SubExprs[1] = Reader.ReadSubExpr();
1640   E->Opcode = (BinaryOperatorKind)Record[Idx++];
1641 }
1642 
VisitOpaqueValueExpr(OpaqueValueExpr * E)1643 void ASTStmtReader::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
1644   VisitExpr(E);
1645   E->SourceExpr = Reader.ReadSubExpr();
1646   E->Loc = ReadSourceLocation(Record, Idx);
1647 }
1648 
VisitTypoExpr(TypoExpr * E)1649 void ASTStmtReader::VisitTypoExpr(TypoExpr *E) {
1650   llvm_unreachable("Cannot read TypoExpr nodes");
1651 }
1652 
1653 //===----------------------------------------------------------------------===//
1654 // Microsoft Expressions and Statements
1655 //===----------------------------------------------------------------------===//
VisitMSPropertyRefExpr(MSPropertyRefExpr * E)1656 void ASTStmtReader::VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
1657   VisitExpr(E);
1658   E->IsArrow = (Record[Idx++] != 0);
1659   E->BaseExpr = Reader.ReadSubExpr();
1660   E->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
1661   E->MemberLoc = ReadSourceLocation(Record, Idx);
1662   E->TheDecl = ReadDeclAs<MSPropertyDecl>(Record, Idx);
1663 }
1664 
VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr * E)1665 void ASTStmtReader::VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr *E) {
1666   VisitExpr(E);
1667   E->setBase(Reader.ReadSubExpr());
1668   E->setIdx(Reader.ReadSubExpr());
1669   E->setRBracketLoc(ReadSourceLocation(Record, Idx));
1670 }
1671 
VisitCXXUuidofExpr(CXXUuidofExpr * E)1672 void ASTStmtReader::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
1673   VisitExpr(E);
1674   E->setSourceRange(ReadSourceRange(Record, Idx));
1675   if (E->isTypeOperand()) { // __uuidof(ComType)
1676     E->setTypeOperandSourceInfo(
1677         GetTypeSourceInfo(Record, Idx));
1678     return;
1679   }
1680 
1681   // __uuidof(expr)
1682   E->setExprOperand(Reader.ReadSubExpr());
1683 }
1684 
VisitSEHLeaveStmt(SEHLeaveStmt * S)1685 void ASTStmtReader::VisitSEHLeaveStmt(SEHLeaveStmt *S) {
1686   VisitStmt(S);
1687   S->setLeaveLoc(ReadSourceLocation(Record, Idx));
1688 }
1689 
VisitSEHExceptStmt(SEHExceptStmt * S)1690 void ASTStmtReader::VisitSEHExceptStmt(SEHExceptStmt *S) {
1691   VisitStmt(S);
1692   S->Loc = ReadSourceLocation(Record, Idx);
1693   S->Children[SEHExceptStmt::FILTER_EXPR] = Reader.ReadSubStmt();
1694   S->Children[SEHExceptStmt::BLOCK] = Reader.ReadSubStmt();
1695 }
1696 
VisitSEHFinallyStmt(SEHFinallyStmt * S)1697 void ASTStmtReader::VisitSEHFinallyStmt(SEHFinallyStmt *S) {
1698   VisitStmt(S);
1699   S->Loc = ReadSourceLocation(Record, Idx);
1700   S->Block = Reader.ReadSubStmt();
1701 }
1702 
VisitSEHTryStmt(SEHTryStmt * S)1703 void ASTStmtReader::VisitSEHTryStmt(SEHTryStmt *S) {
1704   VisitStmt(S);
1705   S->IsCXXTry = Record[Idx++];
1706   S->TryLoc = ReadSourceLocation(Record, Idx);
1707   S->Children[SEHTryStmt::TRY] = Reader.ReadSubStmt();
1708   S->Children[SEHTryStmt::HANDLER] = Reader.ReadSubStmt();
1709 }
1710 
1711 //===----------------------------------------------------------------------===//
1712 // CUDA Expressions and Statements
1713 //===----------------------------------------------------------------------===//
1714 
VisitCUDAKernelCallExpr(CUDAKernelCallExpr * E)1715 void ASTStmtReader::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) {
1716   VisitCallExpr(E);
1717   E->setConfig(cast<CallExpr>(Reader.ReadSubExpr()));
1718 }
1719 
1720 //===----------------------------------------------------------------------===//
1721 // OpenCL Expressions and Statements.
1722 //===----------------------------------------------------------------------===//
VisitAsTypeExpr(AsTypeExpr * E)1723 void ASTStmtReader::VisitAsTypeExpr(AsTypeExpr *E) {
1724   VisitExpr(E);
1725   E->BuiltinLoc = ReadSourceLocation(Record, Idx);
1726   E->RParenLoc = ReadSourceLocation(Record, Idx);
1727   E->SrcExpr = Reader.ReadSubExpr();
1728 }
1729 
1730 //===----------------------------------------------------------------------===//
1731 // OpenMP Clauses.
1732 //===----------------------------------------------------------------------===//
1733 
1734 namespace clang {
1735 class OMPClauseReader : public OMPClauseVisitor<OMPClauseReader> {
1736   ASTStmtReader *Reader;
1737   ASTContext &Context;
1738   const ASTReader::RecordData &Record;
1739   unsigned &Idx;
1740 public:
OMPClauseReader(ASTStmtReader * R,ASTContext & C,const ASTReader::RecordData & Record,unsigned & Idx)1741   OMPClauseReader(ASTStmtReader *R, ASTContext &C,
1742                   const ASTReader::RecordData &Record, unsigned &Idx)
1743     : Reader(R), Context(C), Record(Record), Idx(Idx) { }
1744 #define OPENMP_CLAUSE(Name, Class)    \
1745   void Visit##Class(Class *S);
1746 #include "clang/Basic/OpenMPKinds.def"
1747   OMPClause *readClause();
1748 };
1749 }
1750 
readClause()1751 OMPClause *OMPClauseReader::readClause() {
1752   OMPClause *C;
1753   switch (Record[Idx++]) {
1754   case OMPC_if:
1755     C = new (Context) OMPIfClause();
1756     break;
1757   case OMPC_final:
1758     C = new (Context) OMPFinalClause();
1759     break;
1760   case OMPC_num_threads:
1761     C = new (Context) OMPNumThreadsClause();
1762     break;
1763   case OMPC_safelen:
1764     C = new (Context) OMPSafelenClause();
1765     break;
1766   case OMPC_simdlen:
1767     C = new (Context) OMPSimdlenClause();
1768     break;
1769   case OMPC_collapse:
1770     C = new (Context) OMPCollapseClause();
1771     break;
1772   case OMPC_default:
1773     C = new (Context) OMPDefaultClause();
1774     break;
1775   case OMPC_proc_bind:
1776     C = new (Context) OMPProcBindClause();
1777     break;
1778   case OMPC_schedule:
1779     C = new (Context) OMPScheduleClause();
1780     break;
1781   case OMPC_ordered:
1782     C = new (Context) OMPOrderedClause();
1783     break;
1784   case OMPC_nowait:
1785     C = new (Context) OMPNowaitClause();
1786     break;
1787   case OMPC_untied:
1788     C = new (Context) OMPUntiedClause();
1789     break;
1790   case OMPC_mergeable:
1791     C = new (Context) OMPMergeableClause();
1792     break;
1793   case OMPC_read:
1794     C = new (Context) OMPReadClause();
1795     break;
1796   case OMPC_write:
1797     C = new (Context) OMPWriteClause();
1798     break;
1799   case OMPC_update:
1800     C = new (Context) OMPUpdateClause();
1801     break;
1802   case OMPC_capture:
1803     C = new (Context) OMPCaptureClause();
1804     break;
1805   case OMPC_seq_cst:
1806     C = new (Context) OMPSeqCstClause();
1807     break;
1808   case OMPC_threads:
1809     C = new (Context) OMPThreadsClause();
1810     break;
1811   case OMPC_simd:
1812     C = new (Context) OMPSIMDClause();
1813     break;
1814   case OMPC_nogroup:
1815     C = new (Context) OMPNogroupClause();
1816     break;
1817   case OMPC_private:
1818     C = OMPPrivateClause::CreateEmpty(Context, Record[Idx++]);
1819     break;
1820   case OMPC_firstprivate:
1821     C = OMPFirstprivateClause::CreateEmpty(Context, Record[Idx++]);
1822     break;
1823   case OMPC_lastprivate:
1824     C = OMPLastprivateClause::CreateEmpty(Context, Record[Idx++]);
1825     break;
1826   case OMPC_shared:
1827     C = OMPSharedClause::CreateEmpty(Context, Record[Idx++]);
1828     break;
1829   case OMPC_reduction:
1830     C = OMPReductionClause::CreateEmpty(Context, Record[Idx++]);
1831     break;
1832   case OMPC_linear:
1833     C = OMPLinearClause::CreateEmpty(Context, Record[Idx++]);
1834     break;
1835   case OMPC_aligned:
1836     C = OMPAlignedClause::CreateEmpty(Context, Record[Idx++]);
1837     break;
1838   case OMPC_copyin:
1839     C = OMPCopyinClause::CreateEmpty(Context, Record[Idx++]);
1840     break;
1841   case OMPC_copyprivate:
1842     C = OMPCopyprivateClause::CreateEmpty(Context, Record[Idx++]);
1843     break;
1844   case OMPC_flush:
1845     C = OMPFlushClause::CreateEmpty(Context, Record[Idx++]);
1846     break;
1847   case OMPC_depend:
1848     C = OMPDependClause::CreateEmpty(Context, Record[Idx++]);
1849     break;
1850   case OMPC_device:
1851     C = new (Context) OMPDeviceClause();
1852     break;
1853   case OMPC_map:
1854     C = OMPMapClause::CreateEmpty(Context, Record[Idx++]);
1855     break;
1856   case OMPC_num_teams:
1857     C = new (Context) OMPNumTeamsClause();
1858     break;
1859   case OMPC_thread_limit:
1860     C = new (Context) OMPThreadLimitClause();
1861     break;
1862   case OMPC_priority:
1863     C = new (Context) OMPPriorityClause();
1864     break;
1865   case OMPC_grainsize:
1866     C = new (Context) OMPGrainsizeClause();
1867     break;
1868   case OMPC_num_tasks:
1869     C = new (Context) OMPNumTasksClause();
1870     break;
1871   case OMPC_hint:
1872     C = new (Context) OMPHintClause();
1873     break;
1874   }
1875   Visit(C);
1876   C->setLocStart(Reader->ReadSourceLocation(Record, Idx));
1877   C->setLocEnd(Reader->ReadSourceLocation(Record, Idx));
1878 
1879   return C;
1880 }
1881 
VisitOMPIfClause(OMPIfClause * C)1882 void OMPClauseReader::VisitOMPIfClause(OMPIfClause *C) {
1883   C->setNameModifier(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
1884   C->setNameModifierLoc(Reader->ReadSourceLocation(Record, Idx));
1885   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
1886   C->setCondition(Reader->Reader.ReadSubExpr());
1887   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1888 }
1889 
VisitOMPFinalClause(OMPFinalClause * C)1890 void OMPClauseReader::VisitOMPFinalClause(OMPFinalClause *C) {
1891   C->setCondition(Reader->Reader.ReadSubExpr());
1892   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1893 }
1894 
VisitOMPNumThreadsClause(OMPNumThreadsClause * C)1895 void OMPClauseReader::VisitOMPNumThreadsClause(OMPNumThreadsClause *C) {
1896   C->setNumThreads(Reader->Reader.ReadSubExpr());
1897   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1898 }
1899 
VisitOMPSafelenClause(OMPSafelenClause * C)1900 void OMPClauseReader::VisitOMPSafelenClause(OMPSafelenClause *C) {
1901   C->setSafelen(Reader->Reader.ReadSubExpr());
1902   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1903 }
1904 
VisitOMPSimdlenClause(OMPSimdlenClause * C)1905 void OMPClauseReader::VisitOMPSimdlenClause(OMPSimdlenClause *C) {
1906   C->setSimdlen(Reader->Reader.ReadSubExpr());
1907   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1908 }
1909 
VisitOMPCollapseClause(OMPCollapseClause * C)1910 void OMPClauseReader::VisitOMPCollapseClause(OMPCollapseClause *C) {
1911   C->setNumForLoops(Reader->Reader.ReadSubExpr());
1912   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1913 }
1914 
VisitOMPDefaultClause(OMPDefaultClause * C)1915 void OMPClauseReader::VisitOMPDefaultClause(OMPDefaultClause *C) {
1916   C->setDefaultKind(
1917        static_cast<OpenMPDefaultClauseKind>(Record[Idx++]));
1918   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1919   C->setDefaultKindKwLoc(Reader->ReadSourceLocation(Record, Idx));
1920 }
1921 
VisitOMPProcBindClause(OMPProcBindClause * C)1922 void OMPClauseReader::VisitOMPProcBindClause(OMPProcBindClause *C) {
1923   C->setProcBindKind(
1924        static_cast<OpenMPProcBindClauseKind>(Record[Idx++]));
1925   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1926   C->setProcBindKindKwLoc(Reader->ReadSourceLocation(Record, Idx));
1927 }
1928 
VisitOMPScheduleClause(OMPScheduleClause * C)1929 void OMPClauseReader::VisitOMPScheduleClause(OMPScheduleClause *C) {
1930   C->setScheduleKind(
1931        static_cast<OpenMPScheduleClauseKind>(Record[Idx++]));
1932   C->setChunkSize(Reader->Reader.ReadSubExpr());
1933   C->setHelperChunkSize(Reader->Reader.ReadSubExpr());
1934   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1935   C->setScheduleKindLoc(Reader->ReadSourceLocation(Record, Idx));
1936   C->setCommaLoc(Reader->ReadSourceLocation(Record, Idx));
1937 }
1938 
VisitOMPOrderedClause(OMPOrderedClause * C)1939 void OMPClauseReader::VisitOMPOrderedClause(OMPOrderedClause *C) {
1940   C->setNumForLoops(Reader->Reader.ReadSubExpr());
1941   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1942 }
1943 
VisitOMPNowaitClause(OMPNowaitClause *)1944 void OMPClauseReader::VisitOMPNowaitClause(OMPNowaitClause *) {}
1945 
VisitOMPUntiedClause(OMPUntiedClause *)1946 void OMPClauseReader::VisitOMPUntiedClause(OMPUntiedClause *) {}
1947 
VisitOMPMergeableClause(OMPMergeableClause *)1948 void OMPClauseReader::VisitOMPMergeableClause(OMPMergeableClause *) {}
1949 
VisitOMPReadClause(OMPReadClause *)1950 void OMPClauseReader::VisitOMPReadClause(OMPReadClause *) {}
1951 
VisitOMPWriteClause(OMPWriteClause *)1952 void OMPClauseReader::VisitOMPWriteClause(OMPWriteClause *) {}
1953 
VisitOMPUpdateClause(OMPUpdateClause *)1954 void OMPClauseReader::VisitOMPUpdateClause(OMPUpdateClause *) {}
1955 
VisitOMPCaptureClause(OMPCaptureClause *)1956 void OMPClauseReader::VisitOMPCaptureClause(OMPCaptureClause *) {}
1957 
VisitOMPSeqCstClause(OMPSeqCstClause *)1958 void OMPClauseReader::VisitOMPSeqCstClause(OMPSeqCstClause *) {}
1959 
VisitOMPThreadsClause(OMPThreadsClause *)1960 void OMPClauseReader::VisitOMPThreadsClause(OMPThreadsClause *) {}
1961 
VisitOMPSIMDClause(OMPSIMDClause *)1962 void OMPClauseReader::VisitOMPSIMDClause(OMPSIMDClause *) {}
1963 
VisitOMPNogroupClause(OMPNogroupClause *)1964 void OMPClauseReader::VisitOMPNogroupClause(OMPNogroupClause *) {}
1965 
VisitOMPPrivateClause(OMPPrivateClause * C)1966 void OMPClauseReader::VisitOMPPrivateClause(OMPPrivateClause *C) {
1967   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1968   unsigned NumVars = C->varlist_size();
1969   SmallVector<Expr *, 16> Vars;
1970   Vars.reserve(NumVars);
1971   for (unsigned i = 0; i != NumVars; ++i)
1972     Vars.push_back(Reader->Reader.ReadSubExpr());
1973   C->setVarRefs(Vars);
1974   Vars.clear();
1975   for (unsigned i = 0; i != NumVars; ++i)
1976     Vars.push_back(Reader->Reader.ReadSubExpr());
1977   C->setPrivateCopies(Vars);
1978 }
1979 
VisitOMPFirstprivateClause(OMPFirstprivateClause * C)1980 void OMPClauseReader::VisitOMPFirstprivateClause(OMPFirstprivateClause *C) {
1981   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
1982   unsigned NumVars = C->varlist_size();
1983   SmallVector<Expr *, 16> Vars;
1984   Vars.reserve(NumVars);
1985   for (unsigned i = 0; i != NumVars; ++i)
1986     Vars.push_back(Reader->Reader.ReadSubExpr());
1987   C->setVarRefs(Vars);
1988   Vars.clear();
1989   for (unsigned i = 0; i != NumVars; ++i)
1990     Vars.push_back(Reader->Reader.ReadSubExpr());
1991   C->setPrivateCopies(Vars);
1992   Vars.clear();
1993   for (unsigned i = 0; i != NumVars; ++i)
1994     Vars.push_back(Reader->Reader.ReadSubExpr());
1995   C->setInits(Vars);
1996 }
1997 
VisitOMPLastprivateClause(OMPLastprivateClause * C)1998 void OMPClauseReader::VisitOMPLastprivateClause(OMPLastprivateClause *C) {
1999   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2000   unsigned NumVars = C->varlist_size();
2001   SmallVector<Expr *, 16> Vars;
2002   Vars.reserve(NumVars);
2003   for (unsigned i = 0; i != NumVars; ++i)
2004     Vars.push_back(Reader->Reader.ReadSubExpr());
2005   C->setVarRefs(Vars);
2006   Vars.clear();
2007   for (unsigned i = 0; i != NumVars; ++i)
2008     Vars.push_back(Reader->Reader.ReadSubExpr());
2009   C->setPrivateCopies(Vars);
2010   Vars.clear();
2011   for (unsigned i = 0; i != NumVars; ++i)
2012     Vars.push_back(Reader->Reader.ReadSubExpr());
2013   C->setSourceExprs(Vars);
2014   Vars.clear();
2015   for (unsigned i = 0; i != NumVars; ++i)
2016     Vars.push_back(Reader->Reader.ReadSubExpr());
2017   C->setDestinationExprs(Vars);
2018   Vars.clear();
2019   for (unsigned i = 0; i != NumVars; ++i)
2020     Vars.push_back(Reader->Reader.ReadSubExpr());
2021   C->setAssignmentOps(Vars);
2022 }
2023 
VisitOMPSharedClause(OMPSharedClause * C)2024 void OMPClauseReader::VisitOMPSharedClause(OMPSharedClause *C) {
2025   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2026   unsigned NumVars = C->varlist_size();
2027   SmallVector<Expr *, 16> Vars;
2028   Vars.reserve(NumVars);
2029   for (unsigned i = 0; i != NumVars; ++i)
2030     Vars.push_back(Reader->Reader.ReadSubExpr());
2031   C->setVarRefs(Vars);
2032 }
2033 
VisitOMPReductionClause(OMPReductionClause * C)2034 void OMPClauseReader::VisitOMPReductionClause(OMPReductionClause *C) {
2035   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2036   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
2037   NestedNameSpecifierLoc NNSL =
2038     Reader->Reader.ReadNestedNameSpecifierLoc(Reader->F, Record, Idx);
2039   DeclarationNameInfo DNI;
2040   Reader->ReadDeclarationNameInfo(DNI, Record, Idx);
2041   C->setQualifierLoc(NNSL);
2042   C->setNameInfo(DNI);
2043 
2044   unsigned NumVars = C->varlist_size();
2045   SmallVector<Expr *, 16> Vars;
2046   Vars.reserve(NumVars);
2047   for (unsigned i = 0; i != NumVars; ++i)
2048     Vars.push_back(Reader->Reader.ReadSubExpr());
2049   C->setVarRefs(Vars);
2050   Vars.clear();
2051   for (unsigned i = 0; i != NumVars; ++i)
2052     Vars.push_back(Reader->Reader.ReadSubExpr());
2053   C->setPrivates(Vars);
2054   Vars.clear();
2055   for (unsigned i = 0; i != NumVars; ++i)
2056     Vars.push_back(Reader->Reader.ReadSubExpr());
2057   C->setLHSExprs(Vars);
2058   Vars.clear();
2059   for (unsigned i = 0; i != NumVars; ++i)
2060     Vars.push_back(Reader->Reader.ReadSubExpr());
2061   C->setRHSExprs(Vars);
2062   Vars.clear();
2063   for (unsigned i = 0; i != NumVars; ++i)
2064     Vars.push_back(Reader->Reader.ReadSubExpr());
2065   C->setReductionOps(Vars);
2066 }
2067 
VisitOMPLinearClause(OMPLinearClause * C)2068 void OMPClauseReader::VisitOMPLinearClause(OMPLinearClause *C) {
2069   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2070   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
2071   C->setModifier(static_cast<OpenMPLinearClauseKind>(Record[Idx++]));
2072   C->setModifierLoc(Reader->ReadSourceLocation(Record, Idx));
2073   unsigned NumVars = C->varlist_size();
2074   SmallVector<Expr *, 16> Vars;
2075   Vars.reserve(NumVars);
2076   for (unsigned i = 0; i != NumVars; ++i)
2077     Vars.push_back(Reader->Reader.ReadSubExpr());
2078   C->setVarRefs(Vars);
2079   Vars.clear();
2080   for (unsigned i = 0; i != NumVars; ++i)
2081     Vars.push_back(Reader->Reader.ReadSubExpr());
2082   C->setPrivates(Vars);
2083   Vars.clear();
2084   for (unsigned i = 0; i != NumVars; ++i)
2085     Vars.push_back(Reader->Reader.ReadSubExpr());
2086   C->setInits(Vars);
2087   Vars.clear();
2088   for (unsigned i = 0; i != NumVars; ++i)
2089     Vars.push_back(Reader->Reader.ReadSubExpr());
2090   C->setUpdates(Vars);
2091   Vars.clear();
2092   for (unsigned i = 0; i != NumVars; ++i)
2093     Vars.push_back(Reader->Reader.ReadSubExpr());
2094   C->setFinals(Vars);
2095   C->setStep(Reader->Reader.ReadSubExpr());
2096   C->setCalcStep(Reader->Reader.ReadSubExpr());
2097 }
2098 
VisitOMPAlignedClause(OMPAlignedClause * C)2099 void OMPClauseReader::VisitOMPAlignedClause(OMPAlignedClause *C) {
2100   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2101   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
2102   unsigned NumVars = C->varlist_size();
2103   SmallVector<Expr *, 16> Vars;
2104   Vars.reserve(NumVars);
2105   for (unsigned i = 0; i != NumVars; ++i)
2106     Vars.push_back(Reader->Reader.ReadSubExpr());
2107   C->setVarRefs(Vars);
2108   C->setAlignment(Reader->Reader.ReadSubExpr());
2109 }
2110 
VisitOMPCopyinClause(OMPCopyinClause * C)2111 void OMPClauseReader::VisitOMPCopyinClause(OMPCopyinClause *C) {
2112   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2113   unsigned NumVars = C->varlist_size();
2114   SmallVector<Expr *, 16> Exprs;
2115   Exprs.reserve(NumVars);
2116   for (unsigned i = 0; i != NumVars; ++i)
2117     Exprs.push_back(Reader->Reader.ReadSubExpr());
2118   C->setVarRefs(Exprs);
2119   Exprs.clear();
2120   for (unsigned i = 0; i != NumVars; ++i)
2121     Exprs.push_back(Reader->Reader.ReadSubExpr());
2122   C->setSourceExprs(Exprs);
2123   Exprs.clear();
2124   for (unsigned i = 0; i != NumVars; ++i)
2125     Exprs.push_back(Reader->Reader.ReadSubExpr());
2126   C->setDestinationExprs(Exprs);
2127   Exprs.clear();
2128   for (unsigned i = 0; i != NumVars; ++i)
2129     Exprs.push_back(Reader->Reader.ReadSubExpr());
2130   C->setAssignmentOps(Exprs);
2131 }
2132 
VisitOMPCopyprivateClause(OMPCopyprivateClause * C)2133 void OMPClauseReader::VisitOMPCopyprivateClause(OMPCopyprivateClause *C) {
2134   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2135   unsigned NumVars = C->varlist_size();
2136   SmallVector<Expr *, 16> Exprs;
2137   Exprs.reserve(NumVars);
2138   for (unsigned i = 0; i != NumVars; ++i)
2139     Exprs.push_back(Reader->Reader.ReadSubExpr());
2140   C->setVarRefs(Exprs);
2141   Exprs.clear();
2142   for (unsigned i = 0; i != NumVars; ++i)
2143     Exprs.push_back(Reader->Reader.ReadSubExpr());
2144   C->setSourceExprs(Exprs);
2145   Exprs.clear();
2146   for (unsigned i = 0; i != NumVars; ++i)
2147     Exprs.push_back(Reader->Reader.ReadSubExpr());
2148   C->setDestinationExprs(Exprs);
2149   Exprs.clear();
2150   for (unsigned i = 0; i != NumVars; ++i)
2151     Exprs.push_back(Reader->Reader.ReadSubExpr());
2152   C->setAssignmentOps(Exprs);
2153 }
2154 
VisitOMPFlushClause(OMPFlushClause * C)2155 void OMPClauseReader::VisitOMPFlushClause(OMPFlushClause *C) {
2156   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2157   unsigned NumVars = C->varlist_size();
2158   SmallVector<Expr *, 16> Vars;
2159   Vars.reserve(NumVars);
2160   for (unsigned i = 0; i != NumVars; ++i)
2161     Vars.push_back(Reader->Reader.ReadSubExpr());
2162   C->setVarRefs(Vars);
2163 }
2164 
VisitOMPDependClause(OMPDependClause * C)2165 void OMPClauseReader::VisitOMPDependClause(OMPDependClause *C) {
2166   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2167   C->setDependencyKind(static_cast<OpenMPDependClauseKind>(Record[Idx++]));
2168   C->setDependencyLoc(Reader->ReadSourceLocation(Record, Idx));
2169   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
2170   unsigned NumVars = C->varlist_size();
2171   SmallVector<Expr *, 16> Vars;
2172   Vars.reserve(NumVars);
2173   for (unsigned i = 0; i != NumVars; ++i)
2174     Vars.push_back(Reader->Reader.ReadSubExpr());
2175   C->setVarRefs(Vars);
2176 }
2177 
VisitOMPDeviceClause(OMPDeviceClause * C)2178 void OMPClauseReader::VisitOMPDeviceClause(OMPDeviceClause *C) {
2179   C->setDevice(Reader->Reader.ReadSubExpr());
2180   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2181 }
2182 
VisitOMPMapClause(OMPMapClause * C)2183 void OMPClauseReader::VisitOMPMapClause(OMPMapClause *C) {
2184   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2185   C->setMapTypeModifier(
2186      static_cast<OpenMPMapClauseKind>(Record[Idx++]));
2187   C->setMapType(
2188      static_cast<OpenMPMapClauseKind>(Record[Idx++]));
2189   C->setMapLoc(Reader->ReadSourceLocation(Record, Idx));
2190   C->setColonLoc(Reader->ReadSourceLocation(Record, Idx));
2191   auto NumVars = C->varlist_size();
2192   SmallVector<Expr *, 16> Vars;
2193   Vars.reserve(NumVars);
2194   for (unsigned i = 0; i != NumVars; ++i) {
2195     Vars.push_back(Reader->Reader.ReadSubExpr());
2196   }
2197   C->setVarRefs(Vars);
2198 }
2199 
VisitOMPNumTeamsClause(OMPNumTeamsClause * C)2200 void OMPClauseReader::VisitOMPNumTeamsClause(OMPNumTeamsClause *C) {
2201   C->setNumTeams(Reader->Reader.ReadSubExpr());
2202   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2203 }
2204 
VisitOMPThreadLimitClause(OMPThreadLimitClause * C)2205 void OMPClauseReader::VisitOMPThreadLimitClause(OMPThreadLimitClause *C) {
2206   C->setThreadLimit(Reader->Reader.ReadSubExpr());
2207   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2208 }
2209 
VisitOMPPriorityClause(OMPPriorityClause * C)2210 void OMPClauseReader::VisitOMPPriorityClause(OMPPriorityClause *C) {
2211   C->setPriority(Reader->Reader.ReadSubExpr());
2212   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2213 }
2214 
VisitOMPGrainsizeClause(OMPGrainsizeClause * C)2215 void OMPClauseReader::VisitOMPGrainsizeClause(OMPGrainsizeClause *C) {
2216   C->setGrainsize(Reader->Reader.ReadSubExpr());
2217   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2218 }
2219 
VisitOMPNumTasksClause(OMPNumTasksClause * C)2220 void OMPClauseReader::VisitOMPNumTasksClause(OMPNumTasksClause *C) {
2221   C->setNumTasks(Reader->Reader.ReadSubExpr());
2222   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2223 }
2224 
VisitOMPHintClause(OMPHintClause * C)2225 void OMPClauseReader::VisitOMPHintClause(OMPHintClause *C) {
2226   C->setHint(Reader->Reader.ReadSubExpr());
2227   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
2228 }
2229 
2230 //===----------------------------------------------------------------------===//
2231 // OpenMP Directives.
2232 //===----------------------------------------------------------------------===//
VisitOMPExecutableDirective(OMPExecutableDirective * E)2233 void ASTStmtReader::VisitOMPExecutableDirective(OMPExecutableDirective *E) {
2234   E->setLocStart(ReadSourceLocation(Record, Idx));
2235   E->setLocEnd(ReadSourceLocation(Record, Idx));
2236   OMPClauseReader ClauseReader(this, Reader.getContext(), Record, Idx);
2237   SmallVector<OMPClause *, 5> Clauses;
2238   for (unsigned i = 0; i < E->getNumClauses(); ++i)
2239     Clauses.push_back(ClauseReader.readClause());
2240   E->setClauses(Clauses);
2241   if (E->hasAssociatedStmt())
2242     E->setAssociatedStmt(Reader.ReadSubStmt());
2243 }
2244 
VisitOMPLoopDirective(OMPLoopDirective * D)2245 void ASTStmtReader::VisitOMPLoopDirective(OMPLoopDirective *D) {
2246   VisitStmt(D);
2247   // Two fields (NumClauses and CollapsedNum) were read in ReadStmtFromStream.
2248   Idx += 2;
2249   VisitOMPExecutableDirective(D);
2250   D->setIterationVariable(Reader.ReadSubExpr());
2251   D->setLastIteration(Reader.ReadSubExpr());
2252   D->setCalcLastIteration(Reader.ReadSubExpr());
2253   D->setPreCond(Reader.ReadSubExpr());
2254   D->setCond(Reader.ReadSubExpr());
2255   D->setInit(Reader.ReadSubExpr());
2256   D->setInc(Reader.ReadSubExpr());
2257   if (isOpenMPWorksharingDirective(D->getDirectiveKind())) {
2258     D->setIsLastIterVariable(Reader.ReadSubExpr());
2259     D->setLowerBoundVariable(Reader.ReadSubExpr());
2260     D->setUpperBoundVariable(Reader.ReadSubExpr());
2261     D->setStrideVariable(Reader.ReadSubExpr());
2262     D->setEnsureUpperBound(Reader.ReadSubExpr());
2263     D->setNextLowerBound(Reader.ReadSubExpr());
2264     D->setNextUpperBound(Reader.ReadSubExpr());
2265   }
2266   SmallVector<Expr *, 4> Sub;
2267   unsigned CollapsedNum = D->getCollapsedNumber();
2268   Sub.reserve(CollapsedNum);
2269   for (unsigned i = 0; i < CollapsedNum; ++i)
2270     Sub.push_back(Reader.ReadSubExpr());
2271   D->setCounters(Sub);
2272   Sub.clear();
2273   for (unsigned i = 0; i < CollapsedNum; ++i)
2274     Sub.push_back(Reader.ReadSubExpr());
2275   D->setPrivateCounters(Sub);
2276   Sub.clear();
2277   for (unsigned i = 0; i < CollapsedNum; ++i)
2278     Sub.push_back(Reader.ReadSubExpr());
2279   D->setInits(Sub);
2280   Sub.clear();
2281   for (unsigned i = 0; i < CollapsedNum; ++i)
2282     Sub.push_back(Reader.ReadSubExpr());
2283   D->setUpdates(Sub);
2284   Sub.clear();
2285   for (unsigned i = 0; i < CollapsedNum; ++i)
2286     Sub.push_back(Reader.ReadSubExpr());
2287   D->setFinals(Sub);
2288 }
2289 
VisitOMPParallelDirective(OMPParallelDirective * D)2290 void ASTStmtReader::VisitOMPParallelDirective(OMPParallelDirective *D) {
2291   VisitStmt(D);
2292   // The NumClauses field was read in ReadStmtFromStream.
2293   ++Idx;
2294   VisitOMPExecutableDirective(D);
2295   D->setHasCancel(Record[Idx++]);
2296 }
2297 
VisitOMPSimdDirective(OMPSimdDirective * D)2298 void ASTStmtReader::VisitOMPSimdDirective(OMPSimdDirective *D) {
2299   VisitOMPLoopDirective(D);
2300 }
2301 
VisitOMPForDirective(OMPForDirective * D)2302 void ASTStmtReader::VisitOMPForDirective(OMPForDirective *D) {
2303   VisitOMPLoopDirective(D);
2304   D->setHasCancel(Record[Idx++]);
2305 }
2306 
VisitOMPForSimdDirective(OMPForSimdDirective * D)2307 void ASTStmtReader::VisitOMPForSimdDirective(OMPForSimdDirective *D) {
2308   VisitOMPLoopDirective(D);
2309 }
2310 
VisitOMPSectionsDirective(OMPSectionsDirective * D)2311 void ASTStmtReader::VisitOMPSectionsDirective(OMPSectionsDirective *D) {
2312   VisitStmt(D);
2313   // The NumClauses field was read in ReadStmtFromStream.
2314   ++Idx;
2315   VisitOMPExecutableDirective(D);
2316   D->setHasCancel(Record[Idx++]);
2317 }
2318 
VisitOMPSectionDirective(OMPSectionDirective * D)2319 void ASTStmtReader::VisitOMPSectionDirective(OMPSectionDirective *D) {
2320   VisitStmt(D);
2321   VisitOMPExecutableDirective(D);
2322   D->setHasCancel(Record[Idx++]);
2323 }
2324 
VisitOMPSingleDirective(OMPSingleDirective * D)2325 void ASTStmtReader::VisitOMPSingleDirective(OMPSingleDirective *D) {
2326   VisitStmt(D);
2327   // The NumClauses field was read in ReadStmtFromStream.
2328   ++Idx;
2329   VisitOMPExecutableDirective(D);
2330 }
2331 
VisitOMPMasterDirective(OMPMasterDirective * D)2332 void ASTStmtReader::VisitOMPMasterDirective(OMPMasterDirective *D) {
2333   VisitStmt(D);
2334   VisitOMPExecutableDirective(D);
2335 }
2336 
VisitOMPCriticalDirective(OMPCriticalDirective * D)2337 void ASTStmtReader::VisitOMPCriticalDirective(OMPCriticalDirective *D) {
2338   VisitStmt(D);
2339   // The NumClauses field was read in ReadStmtFromStream.
2340   ++Idx;
2341   VisitOMPExecutableDirective(D);
2342   ReadDeclarationNameInfo(D->DirName, Record, Idx);
2343 }
2344 
VisitOMPParallelForDirective(OMPParallelForDirective * D)2345 void ASTStmtReader::VisitOMPParallelForDirective(OMPParallelForDirective *D) {
2346   VisitOMPLoopDirective(D);
2347   D->setHasCancel(Record[Idx++]);
2348 }
2349 
VisitOMPParallelForSimdDirective(OMPParallelForSimdDirective * D)2350 void ASTStmtReader::VisitOMPParallelForSimdDirective(
2351     OMPParallelForSimdDirective *D) {
2352   VisitOMPLoopDirective(D);
2353 }
2354 
VisitOMPParallelSectionsDirective(OMPParallelSectionsDirective * D)2355 void ASTStmtReader::VisitOMPParallelSectionsDirective(
2356     OMPParallelSectionsDirective *D) {
2357   VisitStmt(D);
2358   // The NumClauses field was read in ReadStmtFromStream.
2359   ++Idx;
2360   VisitOMPExecutableDirective(D);
2361   D->setHasCancel(Record[Idx++]);
2362 }
2363 
VisitOMPTaskDirective(OMPTaskDirective * D)2364 void ASTStmtReader::VisitOMPTaskDirective(OMPTaskDirective *D) {
2365   VisitStmt(D);
2366   // The NumClauses field was read in ReadStmtFromStream.
2367   ++Idx;
2368   VisitOMPExecutableDirective(D);
2369   D->setHasCancel(Record[Idx++]);
2370 }
2371 
VisitOMPTaskyieldDirective(OMPTaskyieldDirective * D)2372 void ASTStmtReader::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *D) {
2373   VisitStmt(D);
2374   VisitOMPExecutableDirective(D);
2375 }
2376 
VisitOMPBarrierDirective(OMPBarrierDirective * D)2377 void ASTStmtReader::VisitOMPBarrierDirective(OMPBarrierDirective *D) {
2378   VisitStmt(D);
2379   VisitOMPExecutableDirective(D);
2380 }
2381 
VisitOMPTaskwaitDirective(OMPTaskwaitDirective * D)2382 void ASTStmtReader::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *D) {
2383   VisitStmt(D);
2384   VisitOMPExecutableDirective(D);
2385 }
2386 
VisitOMPTaskgroupDirective(OMPTaskgroupDirective * D)2387 void ASTStmtReader::VisitOMPTaskgroupDirective(OMPTaskgroupDirective *D) {
2388   VisitStmt(D);
2389   VisitOMPExecutableDirective(D);
2390 }
2391 
VisitOMPFlushDirective(OMPFlushDirective * D)2392 void ASTStmtReader::VisitOMPFlushDirective(OMPFlushDirective *D) {
2393   VisitStmt(D);
2394   // The NumClauses field was read in ReadStmtFromStream.
2395   ++Idx;
2396   VisitOMPExecutableDirective(D);
2397 }
2398 
VisitOMPOrderedDirective(OMPOrderedDirective * D)2399 void ASTStmtReader::VisitOMPOrderedDirective(OMPOrderedDirective *D) {
2400   VisitStmt(D);
2401   // The NumClauses field was read in ReadStmtFromStream.
2402   ++Idx;
2403   VisitOMPExecutableDirective(D);
2404 }
2405 
VisitOMPAtomicDirective(OMPAtomicDirective * D)2406 void ASTStmtReader::VisitOMPAtomicDirective(OMPAtomicDirective *D) {
2407   VisitStmt(D);
2408   // The NumClauses field was read in ReadStmtFromStream.
2409   ++Idx;
2410   VisitOMPExecutableDirective(D);
2411   D->setX(Reader.ReadSubExpr());
2412   D->setV(Reader.ReadSubExpr());
2413   D->setExpr(Reader.ReadSubExpr());
2414   D->setUpdateExpr(Reader.ReadSubExpr());
2415   D->IsXLHSInRHSPart = Record[Idx++] != 0;
2416   D->IsPostfixUpdate = Record[Idx++] != 0;
2417 }
2418 
VisitOMPTargetDirective(OMPTargetDirective * D)2419 void ASTStmtReader::VisitOMPTargetDirective(OMPTargetDirective *D) {
2420   VisitStmt(D);
2421   // The NumClauses field was read in ReadStmtFromStream.
2422   ++Idx;
2423   VisitOMPExecutableDirective(D);
2424 }
2425 
VisitOMPTargetDataDirective(OMPTargetDataDirective * D)2426 void ASTStmtReader::VisitOMPTargetDataDirective(OMPTargetDataDirective *D) {
2427   VisitStmt(D);
2428   ++Idx;
2429   VisitOMPExecutableDirective(D);
2430 }
2431 
VisitOMPTeamsDirective(OMPTeamsDirective * D)2432 void ASTStmtReader::VisitOMPTeamsDirective(OMPTeamsDirective *D) {
2433   VisitStmt(D);
2434   // The NumClauses field was read in ReadStmtFromStream.
2435   ++Idx;
2436   VisitOMPExecutableDirective(D);
2437 }
2438 
VisitOMPCancellationPointDirective(OMPCancellationPointDirective * D)2439 void ASTStmtReader::VisitOMPCancellationPointDirective(
2440     OMPCancellationPointDirective *D) {
2441   VisitStmt(D);
2442   VisitOMPExecutableDirective(D);
2443   D->setCancelRegion(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
2444 }
2445 
VisitOMPCancelDirective(OMPCancelDirective * D)2446 void ASTStmtReader::VisitOMPCancelDirective(OMPCancelDirective *D) {
2447   VisitStmt(D);
2448   // The NumClauses field was read in ReadStmtFromStream.
2449   ++Idx;
2450   VisitOMPExecutableDirective(D);
2451   D->setCancelRegion(static_cast<OpenMPDirectiveKind>(Record[Idx++]));
2452 }
2453 
VisitOMPTaskLoopDirective(OMPTaskLoopDirective * D)2454 void ASTStmtReader::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *D) {
2455   VisitOMPLoopDirective(D);
2456 }
2457 
VisitOMPTaskLoopSimdDirective(OMPTaskLoopSimdDirective * D)2458 void ASTStmtReader::VisitOMPTaskLoopSimdDirective(OMPTaskLoopSimdDirective *D) {
2459   VisitOMPLoopDirective(D);
2460 }
2461 
VisitOMPDistributeDirective(OMPDistributeDirective * D)2462 void ASTStmtReader::VisitOMPDistributeDirective(OMPDistributeDirective *D) {
2463   VisitOMPLoopDirective(D);
2464 }
2465 
2466 //===----------------------------------------------------------------------===//
2467 // ASTReader Implementation
2468 //===----------------------------------------------------------------------===//
2469 
ReadStmt(ModuleFile & F)2470 Stmt *ASTReader::ReadStmt(ModuleFile &F) {
2471   switch (ReadingKind) {
2472   case Read_None:
2473     llvm_unreachable("should not call this when not reading anything");
2474   case Read_Decl:
2475   case Read_Type:
2476     return ReadStmtFromStream(F);
2477   case Read_Stmt:
2478     return ReadSubStmt();
2479   }
2480 
2481   llvm_unreachable("ReadingKind not set ?");
2482 }
2483 
ReadExpr(ModuleFile & F)2484 Expr *ASTReader::ReadExpr(ModuleFile &F) {
2485   return cast_or_null<Expr>(ReadStmt(F));
2486 }
2487 
ReadSubExpr()2488 Expr *ASTReader::ReadSubExpr() {
2489   return cast_or_null<Expr>(ReadSubStmt());
2490 }
2491 
2492 // Within the bitstream, expressions are stored in Reverse Polish
2493 // Notation, with each of the subexpressions preceding the
2494 // expression they are stored in. Subexpressions are stored from last to first.
2495 // To evaluate expressions, we continue reading expressions and placing them on
2496 // the stack, with expressions having operands removing those operands from the
2497 // stack. Evaluation terminates when we see a STMT_STOP record, and
2498 // the single remaining expression on the stack is our result.
ReadStmtFromStream(ModuleFile & F)2499 Stmt *ASTReader::ReadStmtFromStream(ModuleFile &F) {
2500 
2501   ReadingKindTracker ReadingKind(Read_Stmt, *this);
2502   llvm::BitstreamCursor &Cursor = F.DeclsCursor;
2503 
2504   // Map of offset to previously deserialized stmt. The offset points
2505   /// just after the stmt record.
2506   llvm::DenseMap<uint64_t, Stmt *> StmtEntries;
2507 
2508 #ifndef NDEBUG
2509   unsigned PrevNumStmts = StmtStack.size();
2510 #endif
2511 
2512   RecordData Record;
2513   unsigned Idx;
2514   ASTStmtReader Reader(*this, F, Cursor, Record, Idx);
2515   Stmt::EmptyShell Empty;
2516 
2517   while (true) {
2518     llvm::BitstreamEntry Entry = Cursor.advanceSkippingSubblocks();
2519 
2520     switch (Entry.Kind) {
2521     case llvm::BitstreamEntry::SubBlock: // Handled for us already.
2522     case llvm::BitstreamEntry::Error:
2523       Error("malformed block record in AST file");
2524       return nullptr;
2525     case llvm::BitstreamEntry::EndBlock:
2526       goto Done;
2527     case llvm::BitstreamEntry::Record:
2528       // The interesting case.
2529       break;
2530     }
2531 
2532     Stmt *S = nullptr;
2533     Idx = 0;
2534     Record.clear();
2535     bool Finished = false;
2536     bool IsStmtReference = false;
2537     switch ((StmtCode)Cursor.readRecord(Entry.ID, Record)) {
2538     case STMT_STOP:
2539       Finished = true;
2540       break;
2541 
2542     case STMT_REF_PTR:
2543       IsStmtReference = true;
2544       assert(StmtEntries.find(Record[0]) != StmtEntries.end() &&
2545              "No stmt was recorded for this offset reference!");
2546       S = StmtEntries[Record[Idx++]];
2547       break;
2548 
2549     case STMT_NULL_PTR:
2550       S = nullptr;
2551       break;
2552 
2553     case STMT_NULL:
2554       S = new (Context) NullStmt(Empty);
2555       break;
2556 
2557     case STMT_COMPOUND:
2558       S = new (Context) CompoundStmt(Empty);
2559       break;
2560 
2561     case STMT_CASE:
2562       S = new (Context) CaseStmt(Empty);
2563       break;
2564 
2565     case STMT_DEFAULT:
2566       S = new (Context) DefaultStmt(Empty);
2567       break;
2568 
2569     case STMT_LABEL:
2570       S = new (Context) LabelStmt(Empty);
2571       break;
2572 
2573     case STMT_ATTRIBUTED:
2574       S = AttributedStmt::CreateEmpty(
2575         Context,
2576         /*NumAttrs*/Record[ASTStmtReader::NumStmtFields]);
2577       break;
2578 
2579     case STMT_IF:
2580       S = new (Context) IfStmt(Empty);
2581       break;
2582 
2583     case STMT_SWITCH:
2584       S = new (Context) SwitchStmt(Empty);
2585       break;
2586 
2587     case STMT_WHILE:
2588       S = new (Context) WhileStmt(Empty);
2589       break;
2590 
2591     case STMT_DO:
2592       S = new (Context) DoStmt(Empty);
2593       break;
2594 
2595     case STMT_FOR:
2596       S = new (Context) ForStmt(Empty);
2597       break;
2598 
2599     case STMT_GOTO:
2600       S = new (Context) GotoStmt(Empty);
2601       break;
2602 
2603     case STMT_INDIRECT_GOTO:
2604       S = new (Context) IndirectGotoStmt(Empty);
2605       break;
2606 
2607     case STMT_CONTINUE:
2608       S = new (Context) ContinueStmt(Empty);
2609       break;
2610 
2611     case STMT_BREAK:
2612       S = new (Context) BreakStmt(Empty);
2613       break;
2614 
2615     case STMT_RETURN:
2616       S = new (Context) ReturnStmt(Empty);
2617       break;
2618 
2619     case STMT_DECL:
2620       S = new (Context) DeclStmt(Empty);
2621       break;
2622 
2623     case STMT_GCCASM:
2624       S = new (Context) GCCAsmStmt(Empty);
2625       break;
2626 
2627     case STMT_MSASM:
2628       S = new (Context) MSAsmStmt(Empty);
2629       break;
2630 
2631     case STMT_CAPTURED:
2632       S = CapturedStmt::CreateDeserialized(Context,
2633                                            Record[ASTStmtReader::NumStmtFields]);
2634       break;
2635 
2636     case EXPR_PREDEFINED:
2637       S = new (Context) PredefinedExpr(Empty);
2638       break;
2639 
2640     case EXPR_DECL_REF:
2641       S = DeclRefExpr::CreateEmpty(
2642         Context,
2643         /*HasQualifier=*/Record[ASTStmtReader::NumExprFields],
2644         /*HasFoundDecl=*/Record[ASTStmtReader::NumExprFields + 1],
2645         /*HasTemplateKWAndArgsInfo=*/Record[ASTStmtReader::NumExprFields + 2],
2646         /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields + 2] ?
2647           Record[ASTStmtReader::NumExprFields + 5] : 0);
2648       break;
2649 
2650     case EXPR_INTEGER_LITERAL:
2651       S = IntegerLiteral::Create(Context, Empty);
2652       break;
2653 
2654     case EXPR_FLOATING_LITERAL:
2655       S = FloatingLiteral::Create(Context, Empty);
2656       break;
2657 
2658     case EXPR_IMAGINARY_LITERAL:
2659       S = new (Context) ImaginaryLiteral(Empty);
2660       break;
2661 
2662     case EXPR_STRING_LITERAL:
2663       S = StringLiteral::CreateEmpty(Context,
2664                                      Record[ASTStmtReader::NumExprFields + 1]);
2665       break;
2666 
2667     case EXPR_CHARACTER_LITERAL:
2668       S = new (Context) CharacterLiteral(Empty);
2669       break;
2670 
2671     case EXPR_PAREN:
2672       S = new (Context) ParenExpr(Empty);
2673       break;
2674 
2675     case EXPR_PAREN_LIST:
2676       S = new (Context) ParenListExpr(Empty);
2677       break;
2678 
2679     case EXPR_UNARY_OPERATOR:
2680       S = new (Context) UnaryOperator(Empty);
2681       break;
2682 
2683     case EXPR_OFFSETOF:
2684       S = OffsetOfExpr::CreateEmpty(Context,
2685                                     Record[ASTStmtReader::NumExprFields],
2686                                     Record[ASTStmtReader::NumExprFields + 1]);
2687       break;
2688 
2689     case EXPR_SIZEOF_ALIGN_OF:
2690       S = new (Context) UnaryExprOrTypeTraitExpr(Empty);
2691       break;
2692 
2693     case EXPR_ARRAY_SUBSCRIPT:
2694       S = new (Context) ArraySubscriptExpr(Empty);
2695       break;
2696 
2697     case EXPR_OMP_ARRAY_SECTION:
2698       S = new (Context) OMPArraySectionExpr(Empty);
2699       break;
2700 
2701     case EXPR_CALL:
2702       S = new (Context) CallExpr(Context, Stmt::CallExprClass, Empty);
2703       break;
2704 
2705     case EXPR_MEMBER: {
2706       // We load everything here and fully initialize it at creation.
2707       // That way we can use MemberExpr::Create and don't have to duplicate its
2708       // logic with a MemberExpr::CreateEmpty.
2709 
2710       assert(Idx == 0);
2711       NestedNameSpecifierLoc QualifierLoc;
2712       if (Record[Idx++]) { // HasQualifier.
2713         QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, Idx);
2714       }
2715 
2716       SourceLocation TemplateKWLoc;
2717       TemplateArgumentListInfo ArgInfo;
2718       bool HasTemplateKWAndArgsInfo = Record[Idx++];
2719       if (HasTemplateKWAndArgsInfo) {
2720         TemplateKWLoc = ReadSourceLocation(F, Record, Idx);
2721         unsigned NumTemplateArgs = Record[Idx++];
2722         ArgInfo.setLAngleLoc(ReadSourceLocation(F, Record, Idx));
2723         ArgInfo.setRAngleLoc(ReadSourceLocation(F, Record, Idx));
2724         for (unsigned i = 0; i != NumTemplateArgs; ++i)
2725           ArgInfo.addArgument(ReadTemplateArgumentLoc(F, Record, Idx));
2726       }
2727 
2728       bool HadMultipleCandidates = Record[Idx++];
2729 
2730       NamedDecl *FoundD = ReadDeclAs<NamedDecl>(F, Record, Idx);
2731       AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
2732       DeclAccessPair FoundDecl = DeclAccessPair::make(FoundD, AS);
2733 
2734       QualType T = readType(F, Record, Idx);
2735       ExprValueKind VK = static_cast<ExprValueKind>(Record[Idx++]);
2736       ExprObjectKind OK = static_cast<ExprObjectKind>(Record[Idx++]);
2737       Expr *Base = ReadSubExpr();
2738       ValueDecl *MemberD = ReadDeclAs<ValueDecl>(F, Record, Idx);
2739       SourceLocation MemberLoc = ReadSourceLocation(F, Record, Idx);
2740       DeclarationNameInfo MemberNameInfo(MemberD->getDeclName(), MemberLoc);
2741       bool IsArrow = Record[Idx++];
2742       SourceLocation OperatorLoc = ReadSourceLocation(F, Record, Idx);
2743 
2744       S = MemberExpr::Create(Context, Base, IsArrow, OperatorLoc, QualifierLoc,
2745                              TemplateKWLoc, MemberD, FoundDecl, MemberNameInfo,
2746                              HasTemplateKWAndArgsInfo ? &ArgInfo : nullptr, T,
2747                              VK, OK);
2748       ReadDeclarationNameLoc(F, cast<MemberExpr>(S)->MemberDNLoc,
2749                              MemberD->getDeclName(), Record, Idx);
2750       if (HadMultipleCandidates)
2751         cast<MemberExpr>(S)->setHadMultipleCandidates(true);
2752       break;
2753     }
2754 
2755     case EXPR_BINARY_OPERATOR:
2756       S = new (Context) BinaryOperator(Empty);
2757       break;
2758 
2759     case EXPR_COMPOUND_ASSIGN_OPERATOR:
2760       S = new (Context) CompoundAssignOperator(Empty);
2761       break;
2762 
2763     case EXPR_CONDITIONAL_OPERATOR:
2764       S = new (Context) ConditionalOperator(Empty);
2765       break;
2766 
2767     case EXPR_BINARY_CONDITIONAL_OPERATOR:
2768       S = new (Context) BinaryConditionalOperator(Empty);
2769       break;
2770 
2771     case EXPR_IMPLICIT_CAST:
2772       S = ImplicitCastExpr::CreateEmpty(Context,
2773                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
2774       break;
2775 
2776     case EXPR_CSTYLE_CAST:
2777       S = CStyleCastExpr::CreateEmpty(Context,
2778                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
2779       break;
2780 
2781     case EXPR_COMPOUND_LITERAL:
2782       S = new (Context) CompoundLiteralExpr(Empty);
2783       break;
2784 
2785     case EXPR_EXT_VECTOR_ELEMENT:
2786       S = new (Context) ExtVectorElementExpr(Empty);
2787       break;
2788 
2789     case EXPR_INIT_LIST:
2790       S = new (Context) InitListExpr(Empty);
2791       break;
2792 
2793     case EXPR_DESIGNATED_INIT:
2794       S = DesignatedInitExpr::CreateEmpty(Context,
2795                                      Record[ASTStmtReader::NumExprFields] - 1);
2796 
2797       break;
2798 
2799     case EXPR_DESIGNATED_INIT_UPDATE:
2800       S = new (Context) DesignatedInitUpdateExpr(Empty);
2801       break;
2802 
2803     case EXPR_IMPLICIT_VALUE_INIT:
2804       S = new (Context) ImplicitValueInitExpr(Empty);
2805       break;
2806 
2807     case EXPR_NO_INIT:
2808       S = new (Context) NoInitExpr(Empty);
2809       break;
2810 
2811     case EXPR_VA_ARG:
2812       S = new (Context) VAArgExpr(Empty);
2813       break;
2814 
2815     case EXPR_ADDR_LABEL:
2816       S = new (Context) AddrLabelExpr(Empty);
2817       break;
2818 
2819     case EXPR_STMT:
2820       S = new (Context) StmtExpr(Empty);
2821       break;
2822 
2823     case EXPR_CHOOSE:
2824       S = new (Context) ChooseExpr(Empty);
2825       break;
2826 
2827     case EXPR_GNU_NULL:
2828       S = new (Context) GNUNullExpr(Empty);
2829       break;
2830 
2831     case EXPR_SHUFFLE_VECTOR:
2832       S = new (Context) ShuffleVectorExpr(Empty);
2833       break;
2834 
2835     case EXPR_CONVERT_VECTOR:
2836       S = new (Context) ConvertVectorExpr(Empty);
2837       break;
2838 
2839     case EXPR_BLOCK:
2840       S = new (Context) BlockExpr(Empty);
2841       break;
2842 
2843     case EXPR_GENERIC_SELECTION:
2844       S = new (Context) GenericSelectionExpr(Empty);
2845       break;
2846 
2847     case EXPR_OBJC_STRING_LITERAL:
2848       S = new (Context) ObjCStringLiteral(Empty);
2849       break;
2850     case EXPR_OBJC_BOXED_EXPRESSION:
2851       S = new (Context) ObjCBoxedExpr(Empty);
2852       break;
2853     case EXPR_OBJC_ARRAY_LITERAL:
2854       S = ObjCArrayLiteral::CreateEmpty(Context,
2855                                         Record[ASTStmtReader::NumExprFields]);
2856       break;
2857     case EXPR_OBJC_DICTIONARY_LITERAL:
2858       S = ObjCDictionaryLiteral::CreateEmpty(Context,
2859             Record[ASTStmtReader::NumExprFields],
2860             Record[ASTStmtReader::NumExprFields + 1]);
2861       break;
2862     case EXPR_OBJC_ENCODE:
2863       S = new (Context) ObjCEncodeExpr(Empty);
2864       break;
2865     case EXPR_OBJC_SELECTOR_EXPR:
2866       S = new (Context) ObjCSelectorExpr(Empty);
2867       break;
2868     case EXPR_OBJC_PROTOCOL_EXPR:
2869       S = new (Context) ObjCProtocolExpr(Empty);
2870       break;
2871     case EXPR_OBJC_IVAR_REF_EXPR:
2872       S = new (Context) ObjCIvarRefExpr(Empty);
2873       break;
2874     case EXPR_OBJC_PROPERTY_REF_EXPR:
2875       S = new (Context) ObjCPropertyRefExpr(Empty);
2876       break;
2877     case EXPR_OBJC_SUBSCRIPT_REF_EXPR:
2878       S = new (Context) ObjCSubscriptRefExpr(Empty);
2879       break;
2880     case EXPR_OBJC_KVC_REF_EXPR:
2881       llvm_unreachable("mismatching AST file");
2882     case EXPR_OBJC_MESSAGE_EXPR:
2883       S = ObjCMessageExpr::CreateEmpty(Context,
2884                                      Record[ASTStmtReader::NumExprFields],
2885                                      Record[ASTStmtReader::NumExprFields + 1]);
2886       break;
2887     case EXPR_OBJC_ISA:
2888       S = new (Context) ObjCIsaExpr(Empty);
2889       break;
2890     case EXPR_OBJC_INDIRECT_COPY_RESTORE:
2891       S = new (Context) ObjCIndirectCopyRestoreExpr(Empty);
2892       break;
2893     case EXPR_OBJC_BRIDGED_CAST:
2894       S = new (Context) ObjCBridgedCastExpr(Empty);
2895       break;
2896     case STMT_OBJC_FOR_COLLECTION:
2897       S = new (Context) ObjCForCollectionStmt(Empty);
2898       break;
2899     case STMT_OBJC_CATCH:
2900       S = new (Context) ObjCAtCatchStmt(Empty);
2901       break;
2902     case STMT_OBJC_FINALLY:
2903       S = new (Context) ObjCAtFinallyStmt(Empty);
2904       break;
2905     case STMT_OBJC_AT_TRY:
2906       S = ObjCAtTryStmt::CreateEmpty(Context,
2907                                      Record[ASTStmtReader::NumStmtFields],
2908                                      Record[ASTStmtReader::NumStmtFields + 1]);
2909       break;
2910     case STMT_OBJC_AT_SYNCHRONIZED:
2911       S = new (Context) ObjCAtSynchronizedStmt(Empty);
2912       break;
2913     case STMT_OBJC_AT_THROW:
2914       S = new (Context) ObjCAtThrowStmt(Empty);
2915       break;
2916     case STMT_OBJC_AUTORELEASE_POOL:
2917       S = new (Context) ObjCAutoreleasePoolStmt(Empty);
2918       break;
2919     case EXPR_OBJC_BOOL_LITERAL:
2920       S = new (Context) ObjCBoolLiteralExpr(Empty);
2921       break;
2922     case STMT_SEH_LEAVE:
2923       S = new (Context) SEHLeaveStmt(Empty);
2924       break;
2925     case STMT_SEH_EXCEPT:
2926       S = new (Context) SEHExceptStmt(Empty);
2927       break;
2928     case STMT_SEH_FINALLY:
2929       S = new (Context) SEHFinallyStmt(Empty);
2930       break;
2931     case STMT_SEH_TRY:
2932       S = new (Context) SEHTryStmt(Empty);
2933       break;
2934     case STMT_CXX_CATCH:
2935       S = new (Context) CXXCatchStmt(Empty);
2936       break;
2937 
2938     case STMT_CXX_TRY:
2939       S = CXXTryStmt::Create(Context, Empty,
2940              /*NumHandlers=*/Record[ASTStmtReader::NumStmtFields]);
2941       break;
2942 
2943     case STMT_CXX_FOR_RANGE:
2944       S = new (Context) CXXForRangeStmt(Empty);
2945       break;
2946 
2947     case STMT_MS_DEPENDENT_EXISTS:
2948       S = new (Context) MSDependentExistsStmt(SourceLocation(), true,
2949                                               NestedNameSpecifierLoc(),
2950                                               DeclarationNameInfo(),
2951                                               nullptr);
2952       break;
2953 
2954     case STMT_OMP_PARALLEL_DIRECTIVE:
2955       S =
2956         OMPParallelDirective::CreateEmpty(Context,
2957                                           Record[ASTStmtReader::NumStmtFields],
2958                                           Empty);
2959       break;
2960 
2961     case STMT_OMP_SIMD_DIRECTIVE: {
2962       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
2963       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
2964       S = OMPSimdDirective::CreateEmpty(Context, NumClauses,
2965                                         CollapsedNum, Empty);
2966       break;
2967     }
2968 
2969     case STMT_OMP_FOR_DIRECTIVE: {
2970       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
2971       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
2972       S = OMPForDirective::CreateEmpty(Context, NumClauses, CollapsedNum,
2973                                        Empty);
2974       break;
2975     }
2976 
2977     case STMT_OMP_FOR_SIMD_DIRECTIVE: {
2978       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
2979       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
2980       S = OMPForSimdDirective::CreateEmpty(Context, NumClauses, CollapsedNum,
2981                                            Empty);
2982       break;
2983     }
2984 
2985     case STMT_OMP_SECTIONS_DIRECTIVE:
2986       S = OMPSectionsDirective::CreateEmpty(
2987           Context, Record[ASTStmtReader::NumStmtFields], Empty);
2988       break;
2989 
2990     case STMT_OMP_SECTION_DIRECTIVE:
2991       S = OMPSectionDirective::CreateEmpty(Context, Empty);
2992       break;
2993 
2994     case STMT_OMP_SINGLE_DIRECTIVE:
2995       S = OMPSingleDirective::CreateEmpty(
2996           Context, Record[ASTStmtReader::NumStmtFields], Empty);
2997       break;
2998 
2999     case STMT_OMP_MASTER_DIRECTIVE:
3000       S = OMPMasterDirective::CreateEmpty(Context, Empty);
3001       break;
3002 
3003     case STMT_OMP_CRITICAL_DIRECTIVE:
3004       S = OMPCriticalDirective::CreateEmpty(
3005           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3006       break;
3007 
3008     case STMT_OMP_PARALLEL_FOR_DIRECTIVE: {
3009       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
3010       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
3011       S = OMPParallelForDirective::CreateEmpty(Context, NumClauses,
3012                                                CollapsedNum, Empty);
3013       break;
3014     }
3015 
3016     case STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE: {
3017       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
3018       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
3019       S = OMPParallelForSimdDirective::CreateEmpty(Context, NumClauses,
3020                                                    CollapsedNum, Empty);
3021       break;
3022     }
3023 
3024     case STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE:
3025       S = OMPParallelSectionsDirective::CreateEmpty(
3026           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3027       break;
3028 
3029     case STMT_OMP_TASK_DIRECTIVE:
3030       S = OMPTaskDirective::CreateEmpty(
3031           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3032       break;
3033 
3034     case STMT_OMP_TASKYIELD_DIRECTIVE:
3035       S = OMPTaskyieldDirective::CreateEmpty(Context, Empty);
3036       break;
3037 
3038     case STMT_OMP_BARRIER_DIRECTIVE:
3039       S = OMPBarrierDirective::CreateEmpty(Context, Empty);
3040       break;
3041 
3042     case STMT_OMP_TASKWAIT_DIRECTIVE:
3043       S = OMPTaskwaitDirective::CreateEmpty(Context, Empty);
3044       break;
3045 
3046     case STMT_OMP_TASKGROUP_DIRECTIVE:
3047       S = OMPTaskgroupDirective::CreateEmpty(Context, Empty);
3048       break;
3049 
3050     case STMT_OMP_FLUSH_DIRECTIVE:
3051       S = OMPFlushDirective::CreateEmpty(
3052           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3053       break;
3054 
3055     case STMT_OMP_ORDERED_DIRECTIVE:
3056       S = OMPOrderedDirective::CreateEmpty(
3057           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3058       break;
3059 
3060     case STMT_OMP_ATOMIC_DIRECTIVE:
3061       S = OMPAtomicDirective::CreateEmpty(
3062           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3063       break;
3064 
3065     case STMT_OMP_TARGET_DIRECTIVE:
3066       S = OMPTargetDirective::CreateEmpty(
3067           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3068       break;
3069 
3070     case STMT_OMP_TARGET_DATA_DIRECTIVE:
3071       S = OMPTargetDataDirective::CreateEmpty(
3072           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3073       break;
3074 
3075     case STMT_OMP_TEAMS_DIRECTIVE:
3076       S = OMPTeamsDirective::CreateEmpty(
3077           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3078       break;
3079 
3080     case STMT_OMP_CANCELLATION_POINT_DIRECTIVE:
3081       S = OMPCancellationPointDirective::CreateEmpty(Context, Empty);
3082       break;
3083 
3084     case STMT_OMP_CANCEL_DIRECTIVE:
3085       S = OMPCancelDirective::CreateEmpty(
3086           Context, Record[ASTStmtReader::NumStmtFields], Empty);
3087       break;
3088 
3089     case STMT_OMP_TASKLOOP_DIRECTIVE: {
3090       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
3091       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
3092       S = OMPTaskLoopDirective::CreateEmpty(Context, NumClauses, CollapsedNum,
3093                                             Empty);
3094       break;
3095     }
3096 
3097     case STMT_OMP_TASKLOOP_SIMD_DIRECTIVE: {
3098       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
3099       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
3100       S = OMPTaskLoopSimdDirective::CreateEmpty(Context, NumClauses,
3101                                                 CollapsedNum, Empty);
3102       break;
3103     }
3104 
3105     case STMT_OMP_DISTRIBUTE_DIRECTIVE: {
3106       unsigned NumClauses = Record[ASTStmtReader::NumStmtFields];
3107       unsigned CollapsedNum = Record[ASTStmtReader::NumStmtFields + 1];
3108       S = OMPDistributeDirective::CreateEmpty(Context, NumClauses, CollapsedNum,
3109                                               Empty);
3110       break;
3111     }
3112 
3113     case EXPR_CXX_OPERATOR_CALL:
3114       S = new (Context) CXXOperatorCallExpr(Context, Empty);
3115       break;
3116 
3117     case EXPR_CXX_MEMBER_CALL:
3118       S = new (Context) CXXMemberCallExpr(Context, Empty);
3119       break;
3120 
3121     case EXPR_CXX_CONSTRUCT:
3122       S = new (Context) CXXConstructExpr(Empty);
3123       break;
3124 
3125     case EXPR_CXX_TEMPORARY_OBJECT:
3126       S = new (Context) CXXTemporaryObjectExpr(Empty);
3127       break;
3128 
3129     case EXPR_CXX_STATIC_CAST:
3130       S = CXXStaticCastExpr::CreateEmpty(Context,
3131                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
3132       break;
3133 
3134     case EXPR_CXX_DYNAMIC_CAST:
3135       S = CXXDynamicCastExpr::CreateEmpty(Context,
3136                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
3137       break;
3138 
3139     case EXPR_CXX_REINTERPRET_CAST:
3140       S = CXXReinterpretCastExpr::CreateEmpty(Context,
3141                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
3142       break;
3143 
3144     case EXPR_CXX_CONST_CAST:
3145       S = CXXConstCastExpr::CreateEmpty(Context);
3146       break;
3147 
3148     case EXPR_CXX_FUNCTIONAL_CAST:
3149       S = CXXFunctionalCastExpr::CreateEmpty(Context,
3150                        /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
3151       break;
3152 
3153     case EXPR_USER_DEFINED_LITERAL:
3154       S = new (Context) UserDefinedLiteral(Context, Empty);
3155       break;
3156 
3157     case EXPR_CXX_STD_INITIALIZER_LIST:
3158       S = new (Context) CXXStdInitializerListExpr(Empty);
3159       break;
3160 
3161     case EXPR_CXX_BOOL_LITERAL:
3162       S = new (Context) CXXBoolLiteralExpr(Empty);
3163       break;
3164 
3165     case EXPR_CXX_NULL_PTR_LITERAL:
3166       S = new (Context) CXXNullPtrLiteralExpr(Empty);
3167       break;
3168     case EXPR_CXX_TYPEID_EXPR:
3169       S = new (Context) CXXTypeidExpr(Empty, true);
3170       break;
3171     case EXPR_CXX_TYPEID_TYPE:
3172       S = new (Context) CXXTypeidExpr(Empty, false);
3173       break;
3174     case EXPR_CXX_UUIDOF_EXPR:
3175       S = new (Context) CXXUuidofExpr(Empty, true);
3176       break;
3177     case EXPR_CXX_PROPERTY_REF_EXPR:
3178       S = new (Context) MSPropertyRefExpr(Empty);
3179       break;
3180     case EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR:
3181       S = new (Context) MSPropertySubscriptExpr(Empty);
3182       break;
3183     case EXPR_CXX_UUIDOF_TYPE:
3184       S = new (Context) CXXUuidofExpr(Empty, false);
3185       break;
3186     case EXPR_CXX_THIS:
3187       S = new (Context) CXXThisExpr(Empty);
3188       break;
3189     case EXPR_CXX_THROW:
3190       S = new (Context) CXXThrowExpr(Empty);
3191       break;
3192     case EXPR_CXX_DEFAULT_ARG: {
3193       bool HasOtherExprStored = Record[ASTStmtReader::NumExprFields];
3194       if (HasOtherExprStored) {
3195         Expr *SubExpr = ReadSubExpr();
3196         S = CXXDefaultArgExpr::Create(Context, SourceLocation(), nullptr,
3197                                       SubExpr);
3198       } else
3199         S = new (Context) CXXDefaultArgExpr(Empty);
3200       break;
3201     }
3202     case EXPR_CXX_DEFAULT_INIT:
3203       S = new (Context) CXXDefaultInitExpr(Empty);
3204       break;
3205     case EXPR_CXX_BIND_TEMPORARY:
3206       S = new (Context) CXXBindTemporaryExpr(Empty);
3207       break;
3208 
3209     case EXPR_CXX_SCALAR_VALUE_INIT:
3210       S = new (Context) CXXScalarValueInitExpr(Empty);
3211       break;
3212     case EXPR_CXX_NEW:
3213       S = new (Context) CXXNewExpr(Empty);
3214       break;
3215     case EXPR_CXX_DELETE:
3216       S = new (Context) CXXDeleteExpr(Empty);
3217       break;
3218     case EXPR_CXX_PSEUDO_DESTRUCTOR:
3219       S = new (Context) CXXPseudoDestructorExpr(Empty);
3220       break;
3221 
3222     case EXPR_EXPR_WITH_CLEANUPS:
3223       S = ExprWithCleanups::Create(Context, Empty,
3224                                    Record[ASTStmtReader::NumExprFields]);
3225       break;
3226 
3227     case EXPR_CXX_DEPENDENT_SCOPE_MEMBER:
3228       S = CXXDependentScopeMemberExpr::CreateEmpty(Context,
3229          /*HasTemplateKWAndArgsInfo=*/Record[ASTStmtReader::NumExprFields],
3230                   /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]
3231                                    ? Record[ASTStmtReader::NumExprFields + 1]
3232                                    : 0);
3233       break;
3234 
3235     case EXPR_CXX_DEPENDENT_SCOPE_DECL_REF:
3236       S = DependentScopeDeclRefExpr::CreateEmpty(Context,
3237          /*HasTemplateKWAndArgsInfo=*/Record[ASTStmtReader::NumExprFields],
3238                   /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]
3239                                    ? Record[ASTStmtReader::NumExprFields + 1]
3240                                    : 0);
3241       break;
3242 
3243     case EXPR_CXX_UNRESOLVED_CONSTRUCT:
3244       S = CXXUnresolvedConstructExpr::CreateEmpty(Context,
3245                               /*NumArgs=*/Record[ASTStmtReader::NumExprFields]);
3246       break;
3247 
3248     case EXPR_CXX_UNRESOLVED_MEMBER:
3249       S = UnresolvedMemberExpr::CreateEmpty(Context,
3250          /*HasTemplateKWAndArgsInfo=*/Record[ASTStmtReader::NumExprFields],
3251                   /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]
3252                                    ? Record[ASTStmtReader::NumExprFields + 1]
3253                                    : 0);
3254       break;
3255 
3256     case EXPR_CXX_UNRESOLVED_LOOKUP:
3257       S = UnresolvedLookupExpr::CreateEmpty(Context,
3258          /*HasTemplateKWAndArgsInfo=*/Record[ASTStmtReader::NumExprFields],
3259                   /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]
3260                                    ? Record[ASTStmtReader::NumExprFields + 1]
3261                                    : 0);
3262       break;
3263 
3264     case EXPR_TYPE_TRAIT:
3265       S = TypeTraitExpr::CreateDeserialized(Context,
3266             Record[ASTStmtReader::NumExprFields]);
3267       break;
3268 
3269     case EXPR_ARRAY_TYPE_TRAIT:
3270       S = new (Context) ArrayTypeTraitExpr(Empty);
3271       break;
3272 
3273     case EXPR_CXX_EXPRESSION_TRAIT:
3274       S = new (Context) ExpressionTraitExpr(Empty);
3275       break;
3276 
3277     case EXPR_CXX_NOEXCEPT:
3278       S = new (Context) CXXNoexceptExpr(Empty);
3279       break;
3280 
3281     case EXPR_PACK_EXPANSION:
3282       S = new (Context) PackExpansionExpr(Empty);
3283       break;
3284 
3285     case EXPR_SIZEOF_PACK:
3286       S = SizeOfPackExpr::CreateDeserialized(
3287               Context,
3288               /*NumPartialArgs=*/Record[ASTStmtReader::NumExprFields]);
3289       break;
3290 
3291     case EXPR_SUBST_NON_TYPE_TEMPLATE_PARM:
3292       S = new (Context) SubstNonTypeTemplateParmExpr(Empty);
3293       break;
3294 
3295     case EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK:
3296       S = new (Context) SubstNonTypeTemplateParmPackExpr(Empty);
3297       break;
3298 
3299     case EXPR_FUNCTION_PARM_PACK:
3300       S = FunctionParmPackExpr::CreateEmpty(Context,
3301                                           Record[ASTStmtReader::NumExprFields]);
3302       break;
3303 
3304     case EXPR_MATERIALIZE_TEMPORARY:
3305       S = new (Context) MaterializeTemporaryExpr(Empty);
3306       break;
3307 
3308     case EXPR_CXX_FOLD:
3309       S = new (Context) CXXFoldExpr(Empty);
3310       break;
3311 
3312     case EXPR_OPAQUE_VALUE:
3313       S = new (Context) OpaqueValueExpr(Empty);
3314       break;
3315 
3316     case EXPR_CUDA_KERNEL_CALL:
3317       S = new (Context) CUDAKernelCallExpr(Context, Empty);
3318       break;
3319 
3320     case EXPR_ASTYPE:
3321       S = new (Context) AsTypeExpr(Empty);
3322       break;
3323 
3324     case EXPR_PSEUDO_OBJECT: {
3325       unsigned numSemanticExprs = Record[ASTStmtReader::NumExprFields];
3326       S = PseudoObjectExpr::Create(Context, Empty, numSemanticExprs);
3327       break;
3328     }
3329 
3330     case EXPR_ATOMIC:
3331       S = new (Context) AtomicExpr(Empty);
3332       break;
3333 
3334     case EXPR_LAMBDA: {
3335       unsigned NumCaptures = Record[ASTStmtReader::NumExprFields];
3336       unsigned NumArrayIndexVars = Record[ASTStmtReader::NumExprFields + 1];
3337       S = LambdaExpr::CreateDeserialized(Context, NumCaptures,
3338                                          NumArrayIndexVars);
3339       break;
3340     }
3341     }
3342 
3343     // We hit a STMT_STOP, so we're done with this expression.
3344     if (Finished)
3345       break;
3346 
3347     ++NumStatementsRead;
3348 
3349     if (S && !IsStmtReference) {
3350       Reader.Visit(S);
3351       StmtEntries[Cursor.GetCurrentBitNo()] = S;
3352     }
3353 
3354 
3355     assert(Idx == Record.size() && "Invalid deserialization of statement");
3356     StmtStack.push_back(S);
3357   }
3358 Done:
3359   assert(StmtStack.size() > PrevNumStmts && "Read too many sub-stmts!");
3360   assert(StmtStack.size() == PrevNumStmts + 1 && "Extra expressions on stack!");
3361   return StmtStack.pop_back_val();
3362 }
3363