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Sebastian Redl904c9c82010-08-18 23:57:11 +00001//===--- ASTReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===//
Chris Lattner698f9252009-04-27 05:27:42 +00002//
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//
Sebastian Redlc43b54c2010-08-18 23:56:43 +000010// This file implements the ASTReader::ReadDeclRecord method, which is the
Chris Lattner698f9252009-04-27 05:27:42 +000011// entrypoint for loading a decl.
12//
13//===----------------------------------------------------------------------===//
14
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +000015#include "ASTCommon.h"
Sebastian Redl6ab7cd82010-08-18 23:57:17 +000016#include "clang/Serialization/ASTReader.h"
Douglas Gregor0f753232011-12-22 01:48:48 +000017#include "clang/Sema/IdentifierResolver.h"
18#include "clang/Sema/Sema.h"
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +000019#include "clang/Sema/SemaDiagnostic.h"
Chris Lattner698f9252009-04-27 05:27:42 +000020#include "clang/AST/ASTConsumer.h"
21#include "clang/AST/ASTContext.h"
22#include "clang/AST/DeclVisitor.h"
23#include "clang/AST/DeclGroup.h"
Chris Lattner6ad9ac02010-05-07 21:43:38 +000024#include "clang/AST/DeclCXX.h"
25#include "clang/AST/DeclTemplate.h"
Chris Lattner698f9252009-04-27 05:27:42 +000026#include "clang/AST/Expr.h"
27using namespace clang;
Sebastian Redl8538e8d2010-08-18 23:57:32 +000028using namespace clang::serialization;
Chris Lattner698f9252009-04-27 05:27:42 +000029
30//===----------------------------------------------------------------------===//
31// Declaration deserialization
32//===----------------------------------------------------------------------===//
33
Argyrios Kyrtzidis67643342010-06-29 22:47:00 +000034namespace clang {
Sebastian Redld527cc02010-08-18 23:56:48 +000035 class ASTDeclReader : public DeclVisitor<ASTDeclReader, void> {
Sebastian Redlc43b54c2010-08-18 23:56:43 +000036 ASTReader &Reader;
Douglas Gregor1a4761e2011-11-30 23:21:26 +000037 ModuleFile &F;
Sebastian Redl577d4792010-07-22 22:43:28 +000038 llvm::BitstreamCursor &Cursor;
Sebastian Redl8538e8d2010-08-18 23:57:32 +000039 const DeclID ThisDeclID;
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +000040 const unsigned RawLocation;
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000041 typedef ASTReader::RecordData RecordData;
42 const RecordData &Record;
Chris Lattner698f9252009-04-27 05:27:42 +000043 unsigned &Idx;
Sebastian Redl8538e8d2010-08-18 23:57:32 +000044 TypeID TypeIDForTypeDecl;
Douglas Gregor67da6f62011-03-05 01:35:54 +000045
46 DeclID DeclContextIDForTemplateParmDecl;
47 DeclID LexicalDeclContextIDForTemplateParmDecl;
Chris Lattner698f9252009-04-27 05:27:42 +000048
Sebastian Redl577d4792010-07-22 22:43:28 +000049 uint64_t GetCurrentCursorOffset();
Douglas Gregor409448c2011-07-21 22:35:25 +000050
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000051 SourceLocation ReadSourceLocation(const RecordData &R, unsigned &I) {
Sebastian Redlc3632732010-10-05 15:59:54 +000052 return Reader.ReadSourceLocation(F, R, I);
53 }
Douglas Gregor409448c2011-07-21 22:35:25 +000054
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000055 SourceRange ReadSourceRange(const RecordData &R, unsigned &I) {
Sebastian Redlc3632732010-10-05 15:59:54 +000056 return Reader.ReadSourceRange(F, R, I);
57 }
Douglas Gregor409448c2011-07-21 22:35:25 +000058
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000059 TypeSourceInfo *GetTypeSourceInfo(const RecordData &R, unsigned &I) {
Sebastian Redlc3632732010-10-05 15:59:54 +000060 return Reader.GetTypeSourceInfo(F, R, I);
61 }
Douglas Gregor409448c2011-07-21 22:35:25 +000062
63 serialization::DeclID ReadDeclID(const RecordData &R, unsigned &I) {
64 return Reader.ReadDeclID(F, R, I);
65 }
66
67 Decl *ReadDecl(const RecordData &R, unsigned &I) {
68 return Reader.ReadDecl(F, R, I);
69 }
70
71 template<typename T>
72 T *ReadDeclAs(const RecordData &R, unsigned &I) {
73 return Reader.ReadDeclAs<T>(F, R, I);
74 }
75
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000076 void ReadQualifierInfo(QualifierInfo &Info,
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000077 const RecordData &R, unsigned &I) {
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000078 Reader.ReadQualifierInfo(F, Info, R, I);
79 }
Douglas Gregor409448c2011-07-21 22:35:25 +000080
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000081 void ReadDeclarationNameLoc(DeclarationNameLoc &DNLoc, DeclarationName Name,
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000082 const RecordData &R, unsigned &I) {
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000083 Reader.ReadDeclarationNameLoc(F, DNLoc, Name, R, I);
84 }
Douglas Gregor409448c2011-07-21 22:35:25 +000085
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000086 void ReadDeclarationNameInfo(DeclarationNameInfo &NameInfo,
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +000087 const RecordData &R, unsigned &I) {
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +000088 Reader.ReadDeclarationNameInfo(F, NameInfo, R, I);
89 }
Sebastian Redl577d4792010-07-22 22:43:28 +000090
Douglas Gregorecc2c092011-12-01 22:20:10 +000091 serialization::SubmoduleID readSubmoduleID(const RecordData &R,
92 unsigned &I) {
93 if (I >= R.size())
94 return 0;
95
96 return Reader.getGlobalSubmoduleID(F, R[I++]);
97 }
98
Douglas Gregor15de72c2011-12-02 23:23:56 +000099 Module *readModule(const RecordData &R, unsigned &I) {
100 return Reader.getSubmodule(readSubmoduleID(R, I));
101 }
102
Argyrios Kyrtzidis89eaf3a2010-10-24 17:26:40 +0000103 void ReadCXXDefinitionData(struct CXXRecordDecl::DefinitionData &Data,
104 const RecordData &R, unsigned &I);
105
Douglas Gregor0f753232011-12-22 01:48:48 +0000106 /// \brief RAII class used to capture the first ID within a redeclaration
107 /// chain and to introduce it into the list of pending redeclaration chains
108 /// on destruction.
109 ///
110 /// The caller can choose not to introduce this ID into the redeclaration
111 /// chain by calling \c suppress().
112 class RedeclarableResult {
113 ASTReader &Reader;
114 GlobalDeclID FirstID;
115 mutable bool Owning;
116
117 RedeclarableResult &operator=(RedeclarableResult&); // DO NOT IMPLEMENT
118
119 public:
120 RedeclarableResult(ASTReader &Reader, GlobalDeclID FirstID)
121 : Reader(Reader), FirstID(FirstID), Owning(true) { }
122
123 RedeclarableResult(const RedeclarableResult &Other)
124 : Reader(Other.Reader), FirstID(Other.FirstID), Owning(Other.Owning)
125 {
126 Other.Owning = false;
127 }
128
129 ~RedeclarableResult() {
Douglas Gregorbf1739c2011-12-22 22:05:07 +0000130 // FIXME: We want to suppress this when the declaration is local to
131 // a function, since there's no reason to search other AST files
132 // for redeclarations (they can't exist). However, this is hard to
133 // do locally because the declaration hasn't necessarily loaded its
134 // declaration context yet. Also, local externs still have the function
135 // as their (semantic) declaration context, which is wrong and would
136 // break this optimize.
137
Douglas Gregor0f753232011-12-22 01:48:48 +0000138 if (FirstID && Owning && Reader.PendingDeclChainsKnown.insert(FirstID))
139 Reader.PendingDeclChains.push_back(FirstID);
140 }
141
142 /// \brief Retrieve the first ID.
143 GlobalDeclID getFirstID() const { return FirstID; }
144
145 /// \brief Do not introduce this declaration ID into the set of pending
146 /// declaration chains.
147 void suppress() {
148 Owning = false;
149 }
150 };
151
152 /// \brief Class used to capture the result of searching for an existing
153 /// declaration of a specific kind and name, along with the ability
154 /// to update the place where this result was found (the declaration
155 /// chain hanging off an identifier or the DeclContext we searched in)
156 /// if requested.
157 class FindExistingResult {
158 ASTReader &Reader;
159 NamedDecl *New;
160 NamedDecl *Existing;
161 mutable bool AddResult;
162
163 FindExistingResult &operator=(FindExistingResult&); // DO NOT IMPLEMENT
164
165 public:
166 FindExistingResult(ASTReader &Reader)
167 : Reader(Reader), New(0), Existing(0), AddResult(false) { }
168
169 FindExistingResult(ASTReader &Reader, NamedDecl *New, NamedDecl *Existing)
170 : Reader(Reader), New(New), Existing(Existing), AddResult(true) { }
171
172 FindExistingResult(const FindExistingResult &Other)
173 : Reader(Other.Reader), New(Other.New), Existing(Other.Existing),
174 AddResult(Other.AddResult)
175 {
176 Other.AddResult = false;
177 }
178
179 ~FindExistingResult();
180
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +0000181 /// \brief Suppress the addition of this result into the known set of
182 /// names.
183 void suppress() { AddResult = false; }
184
Douglas Gregor0f753232011-12-22 01:48:48 +0000185 operator NamedDecl*() const { return Existing; }
186
187 template<typename T>
188 operator T*() const { return dyn_cast_or_null<T>(Existing); }
189 };
190
191 FindExistingResult findExisting(NamedDecl *D);
192
Chris Lattner698f9252009-04-27 05:27:42 +0000193 public:
Douglas Gregor1a4761e2011-11-30 23:21:26 +0000194 ASTDeclReader(ASTReader &Reader, ModuleFile &F,
Sebastian Redlc3632732010-10-05 15:59:54 +0000195 llvm::BitstreamCursor &Cursor, DeclID thisDeclID,
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +0000196 unsigned RawLocation,
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +0000197 const RecordData &Record, unsigned &Idx)
Sebastian Redlc3632732010-10-05 15:59:54 +0000198 : Reader(Reader), F(F), Cursor(Cursor), ThisDeclID(thisDeclID),
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +0000199 RawLocation(RawLocation), Record(Record), Idx(Idx),
200 TypeIDForTypeDecl(0) { }
Chris Lattner698f9252009-04-27 05:27:42 +0000201
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +0000202 static void attachPreviousDecl(Decl *D, Decl *previous);
Douglas Gregora1be2782011-12-17 23:38:30 +0000203 static void attachLatestDecl(Decl *D, Decl *latest);
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +0000204
Argyrios Kyrtzidisd8a0c6f2010-07-02 11:55:01 +0000205 void Visit(Decl *D);
206
Douglas Gregor1a4761e2011-11-30 23:21:26 +0000207 void UpdateDecl(Decl *D, ModuleFile &ModuleFile,
Sebastian Redlf79a7192011-04-29 08:19:30 +0000208 const RecordData &Record);
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +0000209
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +0000210 static void setNextObjCCategory(ObjCCategoryDecl *Cat,
211 ObjCCategoryDecl *Next) {
212 Cat->NextClassCategory = Next;
213 }
214
Chris Lattner698f9252009-04-27 05:27:42 +0000215 void VisitDecl(Decl *D);
216 void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
217 void VisitNamedDecl(NamedDecl *ND);
Chris Lattnerad8dcf42011-02-17 07:39:24 +0000218 void VisitLabelDecl(LabelDecl *LD);
Douglas Gregor0cef4832010-02-21 18:22:14 +0000219 void VisitNamespaceDecl(NamespaceDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000220 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
221 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000222 void VisitTypeDecl(TypeDecl *TD);
Douglas Gregor0f456822011-12-19 14:40:25 +0000223 void VisitTypedefNameDecl(TypedefNameDecl *TD);
Chris Lattner698f9252009-04-27 05:27:42 +0000224 void VisitTypedefDecl(TypedefDecl *TD);
Richard Smith162e1c12011-04-15 14:24:37 +0000225 void VisitTypeAliasDecl(TypeAliasDecl *TD);
Argyrios Kyrtzidis8f4eae92010-06-30 08:49:30 +0000226 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000227 void VisitTagDecl(TagDecl *TD);
228 void VisitEnumDecl(EnumDecl *ED);
229 void VisitRecordDecl(RecordDecl *RD);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000230 void VisitCXXRecordDecl(CXXRecordDecl *D);
231 void VisitClassTemplateSpecializationDecl(
232 ClassTemplateSpecializationDecl *D);
233 void VisitClassTemplatePartialSpecializationDecl(
234 ClassTemplatePartialSpecializationDecl *D);
Sebastian Redl14c36332011-08-31 13:59:56 +0000235 void VisitClassScopeFunctionSpecializationDecl(
236 ClassScopeFunctionSpecializationDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000237 void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000238 void VisitValueDecl(ValueDecl *VD);
239 void VisitEnumConstantDecl(EnumConstantDecl *ECD);
Argyrios Kyrtzidis8f4eae92010-06-30 08:49:30 +0000240 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
Argyrios Kyrtzidisd4a7e542009-08-19 01:28:35 +0000241 void VisitDeclaratorDecl(DeclaratorDecl *DD);
Chris Lattner698f9252009-04-27 05:27:42 +0000242 void VisitFunctionDecl(FunctionDecl *FD);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000243 void VisitCXXMethodDecl(CXXMethodDecl *D);
244 void VisitCXXConstructorDecl(CXXConstructorDecl *D);
245 void VisitCXXDestructorDecl(CXXDestructorDecl *D);
246 void VisitCXXConversionDecl(CXXConversionDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000247 void VisitFieldDecl(FieldDecl *FD);
Francois Pichet87c2e122010-11-21 06:08:52 +0000248 void VisitIndirectFieldDecl(IndirectFieldDecl *FD);
Chris Lattner698f9252009-04-27 05:27:42 +0000249 void VisitVarDecl(VarDecl *VD);
250 void VisitImplicitParamDecl(ImplicitParamDecl *PD);
251 void VisitParmVarDecl(ParmVarDecl *PD);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000252 void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
253 void VisitTemplateDecl(TemplateDecl *D);
Douglas Gregor0782ef22012-01-06 22:05:37 +0000254 RedeclarableResult VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000255 void VisitClassTemplateDecl(ClassTemplateDecl *D);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000256 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000257 void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
Richard Smith3e4c6c42011-05-05 21:57:07 +0000258 void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D);
Argyrios Kyrtzidisb01a5522010-06-20 14:40:59 +0000259 void VisitUsingDecl(UsingDecl *D);
260 void VisitUsingShadowDecl(UsingShadowDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000261 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000262 void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD);
Douglas Gregor15de72c2011-12-02 23:23:56 +0000263 void VisitImportDecl(ImportDecl *D);
Abramo Bagnara6206d532010-06-05 05:09:32 +0000264 void VisitAccessSpecDecl(AccessSpecDecl *D);
Argyrios Kyrtzidis67643342010-06-29 22:47:00 +0000265 void VisitFriendDecl(FriendDecl *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000266 void VisitFriendTemplateDecl(FriendTemplateDecl *D);
267 void VisitStaticAssertDecl(StaticAssertDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000268 void VisitBlockDecl(BlockDecl *BD);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000269
Chris Lattner698f9252009-04-27 05:27:42 +0000270 std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC);
Douglas Gregor0f753232011-12-22 01:48:48 +0000271
Douglas Gregordea22cc2012-01-03 17:27:13 +0000272 template<typename T>
Douglas Gregor0f753232011-12-22 01:48:48 +0000273 RedeclarableResult VisitRedeclarable(Redeclarable<T> *D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000274
Douglas Gregordea22cc2012-01-03 17:27:13 +0000275 template<typename T>
276 void mergeRedeclarable(Redeclarable<T> *D, RedeclarableResult &Redecl);
277
Sean Hunt9a555912010-05-30 07:21:58 +0000278 // FIXME: Reorder according to DeclNodes.td?
Chris Lattner698f9252009-04-27 05:27:42 +0000279 void VisitObjCMethodDecl(ObjCMethodDecl *D);
280 void VisitObjCContainerDecl(ObjCContainerDecl *D);
281 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
282 void VisitObjCIvarDecl(ObjCIvarDecl *D);
283 void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
284 void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
Chris Lattner698f9252009-04-27 05:27:42 +0000285 void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
286 void VisitObjCImplDecl(ObjCImplDecl *D);
287 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
288 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
289 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
290 void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
291 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
292 };
293}
294
Sebastian Redld527cc02010-08-18 23:56:48 +0000295uint64_t ASTDeclReader::GetCurrentCursorOffset() {
Douglas Gregor8f1231b2011-07-22 06:10:01 +0000296 return F.DeclsCursor.GetCurrentBitNo() + F.GlobalBitOffset;
Sebastian Redl577d4792010-07-22 22:43:28 +0000297}
298
Sebastian Redld527cc02010-08-18 23:56:48 +0000299void ASTDeclReader::Visit(Decl *D) {
300 DeclVisitor<ASTDeclReader, void>::Visit(D);
Argyrios Kyrtzidisd8a0c6f2010-07-02 11:55:01 +0000301
Jonathan D. Turner953c5642011-06-03 23:11:16 +0000302 if (DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) {
303 if (DD->DeclInfo) {
304 DeclaratorDecl::ExtInfo *Info =
305 DD->DeclInfo.get<DeclaratorDecl::ExtInfo *>();
306 Info->TInfo =
307 GetTypeSourceInfo(Record, Idx);
308 }
309 else {
310 DD->DeclInfo = GetTypeSourceInfo(Record, Idx);
311 }
312 }
313
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +0000314 if (TypeDecl *TD = dyn_cast<TypeDecl>(D)) {
Douglas Gregordeacbdc2010-08-11 12:19:30 +0000315 // if we have a fully initialized TypeDecl, we can safely read its type now.
Douglas Gregor1ab55e92010-12-10 17:03:06 +0000316 TD->setTypeForDecl(Reader.GetType(TypeIDForTypeDecl).getTypePtrOrNull());
Douglas Gregor0af55012011-12-16 03:12:41 +0000317 } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
318 // if we have a fully initialized TypeDecl, we can safely read its type now.
319 ID->TypeForDecl = Reader.GetType(TypeIDForTypeDecl).getTypePtrOrNull();
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +0000320 } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
321 // FunctionDecl's body was written last after all other Stmts/Exprs.
322 if (Record[Idx++])
Sebastian Redl577d4792010-07-22 22:43:28 +0000323 FD->setLazyBody(GetCurrentCursorOffset());
Douglas Gregor67da6f62011-03-05 01:35:54 +0000324 } else if (D->isTemplateParameter()) {
325 // If we have a fully initialized template parameter, we can now
326 // set its DeclContext.
Argyrios Kyrtzidis4bbb8502012-02-09 02:44:08 +0000327 DeclContext *SemaDC = cast<DeclContext>(
328 Reader.GetDecl(DeclContextIDForTemplateParmDecl));
329 DeclContext *LexicalDC = cast<DeclContext>(
330 Reader.GetDecl(LexicalDeclContextIDForTemplateParmDecl));
331 D->setDeclContextsImpl(SemaDC, LexicalDC, Reader.getContext());
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +0000332 }
Argyrios Kyrtzidisd8a0c6f2010-07-02 11:55:01 +0000333}
334
Sebastian Redld527cc02010-08-18 23:56:48 +0000335void ASTDeclReader::VisitDecl(Decl *D) {
Douglas Gregor67da6f62011-03-05 01:35:54 +0000336 if (D->isTemplateParameter()) {
337 // We don't want to deserialize the DeclContext of a template
338 // parameter immediately, because the template parameter might be
339 // used in the formulation of its DeclContext. Use the translation
340 // unit DeclContext as a placeholder.
Douglas Gregor409448c2011-07-21 22:35:25 +0000341 DeclContextIDForTemplateParmDecl = ReadDeclID(Record, Idx);
342 LexicalDeclContextIDForTemplateParmDecl = ReadDeclID(Record, Idx);
Douglas Gregor35942772011-09-09 21:34:22 +0000343 D->setDeclContext(Reader.getContext().getTranslationUnitDecl());
Douglas Gregor67da6f62011-03-05 01:35:54 +0000344 } else {
Argyrios Kyrtzidis4bbb8502012-02-09 02:44:08 +0000345 DeclContext *SemaDC = ReadDeclAs<DeclContext>(Record, Idx);
346 DeclContext *LexicalDC = ReadDeclAs<DeclContext>(Record, Idx);
Argyrios Kyrtzidis621fc4b2012-02-09 07:46:54 +0000347 // Avoid calling setLexicalDeclContext() directly because it uses
348 // Decl::getASTContext() internally which is unsafe during derialization.
Argyrios Kyrtzidis4bbb8502012-02-09 02:44:08 +0000349 D->setDeclContextsImpl(SemaDC, LexicalDC, Reader.getContext());
Douglas Gregor67da6f62011-03-05 01:35:54 +0000350 }
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +0000351 D->setLocation(Reader.ReadSourceLocation(F, RawLocation));
Chris Lattner698f9252009-04-27 05:27:42 +0000352 D->setInvalidDecl(Record[Idx++]);
Argyrios Kyrtzidis4eb9fc02010-10-18 19:20:11 +0000353 if (Record[Idx++]) { // hasAttrs
Sean Huntcf807c42010-08-18 23:23:40 +0000354 AttrVec Attrs;
Argyrios Kyrtzidis4eb9fc02010-10-18 19:20:11 +0000355 Reader.ReadAttributes(F, Attrs, Record, Idx);
Argyrios Kyrtzidis621fc4b2012-02-09 07:46:54 +0000356 // Avoid calling setAttrs() directly because it uses Decl::getASTContext()
357 // internally which is unsafe during derialization.
Argyrios Kyrtzidis4bbb8502012-02-09 02:44:08 +0000358 D->setAttrsImpl(Attrs, Reader.getContext());
Sean Huntcf807c42010-08-18 23:23:40 +0000359 }
Chris Lattner698f9252009-04-27 05:27:42 +0000360 D->setImplicit(Record[Idx++]);
Douglas Gregore0762c92009-06-19 23:52:42 +0000361 D->setUsed(Record[Idx++]);
Argyrios Kyrtzidis6b6b42a2011-04-19 19:51:10 +0000362 D->setReferenced(Record[Idx++]);
Douglas Gregor46cd2182012-01-06 16:59:53 +0000363 D->setTopLevelDeclInObjCContainer(Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000364 D->setAccess((AccessSpecifier)Record[Idx++]);
Douglas Gregor08e0bc12011-09-10 00:09:20 +0000365 D->FromASTFile = true;
Douglas Gregor46cd2182012-01-06 16:59:53 +0000366 D->setModulePrivate(Record[Idx++]);
367 D->Hidden = D->isModulePrivate();
Douglas Gregorf143ffc2012-01-06 16:22:39 +0000368
Douglas Gregorecc2c092011-12-01 22:20:10 +0000369 // Determine whether this declaration is part of a (sub)module. If so, it
370 // may not yet be visible.
371 if (unsigned SubmoduleID = readSubmoduleID(Record, Idx)) {
Douglas Gregorc6c8e0e2012-01-09 17:30:44 +0000372 // Store the owning submodule ID in the declaration.
373 D->setOwningModuleID(SubmoduleID);
374
Douglas Gregorecc2c092011-12-01 22:20:10 +0000375 // Module-private declarations are never visible, so there is no work to do.
Douglas Gregor46cd2182012-01-06 16:59:53 +0000376 if (!D->isModulePrivate()) {
Douglas Gregorecc2c092011-12-01 22:20:10 +0000377 if (Module *Owner = Reader.getSubmodule(SubmoduleID)) {
378 if (Owner->NameVisibility != Module::AllVisible) {
Douglas Gregorf143ffc2012-01-06 16:22:39 +0000379 // The owning module is not visible. Mark this declaration as hidden.
380 D->Hidden = true;
Douglas Gregorecc2c092011-12-01 22:20:10 +0000381
382 // Note that this declaration was hidden because its owning module is
383 // not yet visible.
384 Reader.HiddenNamesMap[Owner].push_back(D);
385 }
386 }
387 }
388 }
Chris Lattner698f9252009-04-27 05:27:42 +0000389}
390
Sebastian Redld527cc02010-08-18 23:56:48 +0000391void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +0000392 llvm_unreachable("Translation units are not serialized");
Chris Lattner698f9252009-04-27 05:27:42 +0000393}
394
Sebastian Redld527cc02010-08-18 23:56:48 +0000395void ASTDeclReader::VisitNamedDecl(NamedDecl *ND) {
Chris Lattner698f9252009-04-27 05:27:42 +0000396 VisitDecl(ND);
Douglas Gregor393f2492011-07-22 00:38:23 +0000397 ND->setDeclName(Reader.ReadDeclarationName(F, Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000398}
399
Sebastian Redld527cc02010-08-18 23:56:48 +0000400void ASTDeclReader::VisitTypeDecl(TypeDecl *TD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000401 VisitNamedDecl(TD);
Abramo Bagnara344577e2011-03-06 15:48:19 +0000402 TD->setLocStart(ReadSourceLocation(Record, Idx));
Argyrios Kyrtzidisd8a0c6f2010-07-02 11:55:01 +0000403 // Delay type reading until after we have fully initialized the decl.
Douglas Gregor393f2492011-07-22 00:38:23 +0000404 TypeIDForTypeDecl = Reader.getGlobalTypeID(F, Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000405}
406
Douglas Gregor0f456822011-12-19 14:40:25 +0000407void ASTDeclReader::VisitTypedefNameDecl(TypedefNameDecl *TD) {
Douglas Gregorda795b42012-01-04 16:44:10 +0000408 RedeclarableResult Redecl = VisitRedeclarable(TD);
Argyrios Kyrtzidisd8a0c6f2010-07-02 11:55:01 +0000409 VisitTypeDecl(TD);
Douglas Gregorda795b42012-01-04 16:44:10 +0000410
411 TD->setTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
412 mergeRedeclarable(TD, Redecl);
Douglas Gregor0f456822011-12-19 14:40:25 +0000413}
414
415void ASTDeclReader::VisitTypedefDecl(TypedefDecl *TD) {
416 VisitTypedefNameDecl(TD);
Chris Lattner698f9252009-04-27 05:27:42 +0000417}
418
Richard Smith162e1c12011-04-15 14:24:37 +0000419void ASTDeclReader::VisitTypeAliasDecl(TypeAliasDecl *TD) {
Douglas Gregor0f456822011-12-19 14:40:25 +0000420 VisitTypedefNameDecl(TD);
Richard Smith162e1c12011-04-15 14:24:37 +0000421}
422
Sebastian Redld527cc02010-08-18 23:56:48 +0000423void ASTDeclReader::VisitTagDecl(TagDecl *TD) {
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +0000424 RedeclarableResult Redecl = VisitRedeclarable(TD);
Douglas Gregord488b3a2011-10-26 17:53:41 +0000425 VisitTypeDecl(TD);
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +0000426
Argyrios Kyrtzidis6b541512010-09-08 19:31:22 +0000427 TD->IdentifierNamespace = Record[Idx++];
Chris Lattner698f9252009-04-27 05:27:42 +0000428 TD->setTagKind((TagDecl::TagKind)Record[Idx++]);
John McCall5e1cdac2011-10-07 06:10:15 +0000429 TD->setCompleteDefinition(Record[Idx++]);
Douglas Gregorb37b6482010-02-12 17:40:34 +0000430 TD->setEmbeddedInDeclarator(Record[Idx++]);
Argyrios Kyrtzidis717a20b2011-09-30 22:11:31 +0000431 TD->setFreeStanding(Record[Idx++]);
Sebastian Redlc3632732010-10-05 15:59:54 +0000432 TD->setRBraceLoc(ReadSourceLocation(Record, Idx));
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +0000433
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000434 if (Record[Idx++]) { // hasExtInfo
Douglas Gregor35942772011-09-09 21:34:22 +0000435 TagDecl::ExtInfo *Info = new (Reader.getContext()) TagDecl::ExtInfo();
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000436 ReadQualifierInfo(*Info, Record, Idx);
Richard Smith162e1c12011-04-15 14:24:37 +0000437 TD->TypedefNameDeclOrQualifier = Info;
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000438 } else
Douglas Gregor409448c2011-07-21 22:35:25 +0000439 TD->setTypedefNameForAnonDecl(ReadDeclAs<TypedefNameDecl>(Record, Idx));
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +0000440
441 mergeRedeclarable(TD, Redecl);
Chris Lattner698f9252009-04-27 05:27:42 +0000442}
443
Sebastian Redld527cc02010-08-18 23:56:48 +0000444void ASTDeclReader::VisitEnumDecl(EnumDecl *ED) {
Chris Lattner698f9252009-04-27 05:27:42 +0000445 VisitTagDecl(ED);
Douglas Gregor1274ccd2010-10-08 23:50:27 +0000446 if (TypeSourceInfo *TI = Reader.GetTypeSourceInfo(F, Record, Idx))
447 ED->setIntegerTypeSourceInfo(TI);
448 else
Douglas Gregor393f2492011-07-22 00:38:23 +0000449 ED->setIntegerType(Reader.readType(F, Record, Idx));
450 ED->setPromotionType(Reader.readType(F, Record, Idx));
John McCall1b5a6182010-05-06 08:49:23 +0000451 ED->setNumPositiveBits(Record[Idx++]);
452 ED->setNumNegativeBits(Record[Idx++]);
Douglas Gregor1274ccd2010-10-08 23:50:27 +0000453 ED->IsScoped = Record[Idx++];
Abramo Bagnaraa88cefd2010-12-03 18:54:17 +0000454 ED->IsScopedUsingClassTag = Record[Idx++];
Douglas Gregor1274ccd2010-10-08 23:50:27 +0000455 ED->IsFixed = Record[Idx++];
Douglas Gregor409448c2011-07-21 22:35:25 +0000456 ED->setInstantiationOfMemberEnum(ReadDeclAs<EnumDecl>(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000457}
458
Sebastian Redld527cc02010-08-18 23:56:48 +0000459void ASTDeclReader::VisitRecordDecl(RecordDecl *RD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000460 VisitTagDecl(RD);
461 RD->setHasFlexibleArrayMember(Record[Idx++]);
462 RD->setAnonymousStructOrUnion(Record[Idx++]);
Fariborz Jahanian643b7df2009-07-08 16:37:44 +0000463 RD->setHasObjectMember(Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000464}
465
Sebastian Redld527cc02010-08-18 23:56:48 +0000466void ASTDeclReader::VisitValueDecl(ValueDecl *VD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000467 VisitNamedDecl(VD);
Douglas Gregor393f2492011-07-22 00:38:23 +0000468 VD->setType(Reader.readType(F, Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000469}
470
Sebastian Redld527cc02010-08-18 23:56:48 +0000471void ASTDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000472 VisitValueDecl(ECD);
473 if (Record[Idx++])
Sebastian Redlc3632732010-10-05 15:59:54 +0000474 ECD->setInitExpr(Reader.ReadExpr(F));
Chris Lattner698f9252009-04-27 05:27:42 +0000475 ECD->setInitVal(Reader.ReadAPSInt(Record, Idx));
476}
477
Sebastian Redld527cc02010-08-18 23:56:48 +0000478void ASTDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) {
Argyrios Kyrtzidisd4a7e542009-08-19 01:28:35 +0000479 VisitValueDecl(DD);
Abramo Bagnaraff676cb2011-03-08 08:55:46 +0000480 DD->setInnerLocStart(ReadSourceLocation(Record, Idx));
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000481 if (Record[Idx++]) { // hasExtInfo
482 DeclaratorDecl::ExtInfo *Info
Douglas Gregor35942772011-09-09 21:34:22 +0000483 = new (Reader.getContext()) DeclaratorDecl::ExtInfo();
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000484 ReadQualifierInfo(*Info, Record, Idx);
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000485 DD->DeclInfo = Info;
Jonathan D. Turner953c5642011-06-03 23:11:16 +0000486 }
Argyrios Kyrtzidisd4a7e542009-08-19 01:28:35 +0000487}
488
Sebastian Redld527cc02010-08-18 23:56:48 +0000489void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
Douglas Gregor70762812012-01-04 17:13:46 +0000490 RedeclarableResult Redecl = VisitRedeclarable(FD);
Douglas Gregord488b3a2011-10-26 17:53:41 +0000491 VisitDeclaratorDecl(FD);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000492
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +0000493 ReadDeclarationNameLoc(FD->DNLoc, FD->getDeclName(), Record, Idx);
Argyrios Kyrtzidisc8f9af22010-07-05 10:38:01 +0000494 FD->IdentifierNamespace = Record[Idx++];
Douglas Gregor70762812012-01-04 17:13:46 +0000495
496 // FunctionDecl's body is handled last at ASTDeclReader::Visit,
497 // after everything else is read.
498
499 FD->SClass = (StorageClass)Record[Idx++];
500 FD->SClassAsWritten = (StorageClass)Record[Idx++];
501 FD->IsInline = Record[Idx++];
502 FD->IsInlineSpecified = Record[Idx++];
503 FD->IsVirtualAsWritten = Record[Idx++];
504 FD->IsPure = Record[Idx++];
505 FD->HasInheritedPrototype = Record[Idx++];
506 FD->HasWrittenPrototype = Record[Idx++];
507 FD->IsDeleted = Record[Idx++];
508 FD->IsTrivial = Record[Idx++];
509 FD->IsDefaulted = Record[Idx++];
510 FD->IsExplicitlyDefaulted = Record[Idx++];
511 FD->HasImplicitReturnZero = Record[Idx++];
512 FD->IsConstexpr = Record[Idx++];
513 FD->EndRangeLoc = ReadSourceLocation(Record, Idx);
514
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000515 switch ((FunctionDecl::TemplatedKind)Record[Idx++]) {
516 case FunctionDecl::TK_NonTemplate:
Douglas Gregor70762812012-01-04 17:13:46 +0000517 mergeRedeclarable(FD, Redecl);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000518 break;
519 case FunctionDecl::TK_FunctionTemplate:
Douglas Gregor409448c2011-07-21 22:35:25 +0000520 FD->setDescribedFunctionTemplate(ReadDeclAs<FunctionTemplateDecl>(Record,
521 Idx));
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000522 break;
523 case FunctionDecl::TK_MemberSpecialization: {
Douglas Gregor409448c2011-07-21 22:35:25 +0000524 FunctionDecl *InstFD = ReadDeclAs<FunctionDecl>(Record, Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000525 TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
Sebastian Redlc3632732010-10-05 15:59:54 +0000526 SourceLocation POI = ReadSourceLocation(Record, Idx);
Douglas Gregor35942772011-09-09 21:34:22 +0000527 FD->setInstantiationOfMemberFunction(Reader.getContext(), InstFD, TSK);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000528 FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
529 break;
530 }
531 case FunctionDecl::TK_FunctionTemplateSpecialization: {
Douglas Gregor409448c2011-07-21 22:35:25 +0000532 FunctionTemplateDecl *Template = ReadDeclAs<FunctionTemplateDecl>(Record,
533 Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000534 TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
535
536 // Template arguments.
Chris Lattner5f9e2722011-07-23 10:55:15 +0000537 SmallVector<TemplateArgument, 8> TemplArgs;
Sebastian Redlc3632732010-10-05 15:59:54 +0000538 Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000539
540 // Template args as written.
Chris Lattner5f9e2722011-07-23 10:55:15 +0000541 SmallVector<TemplateArgumentLoc, 8> TemplArgLocs;
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000542 SourceLocation LAngleLoc, RAngleLoc;
Argyrios Kyrtzidis71a76052011-09-22 20:07:09 +0000543 bool HasTemplateArgumentsAsWritten = Record[Idx++];
544 if (HasTemplateArgumentsAsWritten) {
Argyrios Kyrtzidis5efb06f2010-07-02 11:55:40 +0000545 unsigned NumTemplateArgLocs = Record[Idx++];
546 TemplArgLocs.reserve(NumTemplateArgLocs);
547 for (unsigned i=0; i != NumTemplateArgLocs; ++i)
Sebastian Redl577d4792010-07-22 22:43:28 +0000548 TemplArgLocs.push_back(
Sebastian Redlc3632732010-10-05 15:59:54 +0000549 Reader.ReadTemplateArgumentLoc(F, Record, Idx));
Argyrios Kyrtzidis5efb06f2010-07-02 11:55:40 +0000550
Sebastian Redlc3632732010-10-05 15:59:54 +0000551 LAngleLoc = ReadSourceLocation(Record, Idx);
552 RAngleLoc = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000553 }
Argyrios Kyrtzidis7b081c82010-07-05 10:37:55 +0000554
Sebastian Redlc3632732010-10-05 15:59:54 +0000555 SourceLocation POI = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000556
Douglas Gregor35942772011-09-09 21:34:22 +0000557 ASTContext &C = Reader.getContext();
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000558 TemplateArgumentList *TemplArgList
Douglas Gregor910f8002010-11-07 23:05:16 +0000559 = TemplateArgumentList::CreateCopy(C, TemplArgs.data(), TemplArgs.size());
Argyrios Kyrtzidis71a76052011-09-22 20:07:09 +0000560 TemplateArgumentListInfo TemplArgsInfo(LAngleLoc, RAngleLoc);
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000561 for (unsigned i=0, e = TemplArgLocs.size(); i != e; ++i)
Argyrios Kyrtzidis71a76052011-09-22 20:07:09 +0000562 TemplArgsInfo.addArgument(TemplArgLocs[i]);
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000563 FunctionTemplateSpecializationInfo *FTInfo
564 = FunctionTemplateSpecializationInfo::Create(C, FD, Template, TSK,
565 TemplArgList,
Argyrios Kyrtzidis71a76052011-09-22 20:07:09 +0000566 HasTemplateArgumentsAsWritten ? &TemplArgsInfo : 0,
567 POI);
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000568 FD->TemplateOrSpecialization = FTInfo;
Argyrios Kyrtzidis6b541512010-09-08 19:31:22 +0000569
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000570 if (FD->isCanonicalDecl()) { // if canonical add to template's set.
Argyrios Kyrtzidis99a8ca02010-09-13 11:45:48 +0000571 // The template that contains the specializations set. It's not safe to
572 // use getCanonicalDecl on Template since it may still be initializing.
573 FunctionTemplateDecl *CanonTemplate
Douglas Gregor409448c2011-07-21 22:35:25 +0000574 = ReadDeclAs<FunctionTemplateDecl>(Record, Idx);
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000575 // Get the InsertPos by FindNodeOrInsertPos() instead of calling
576 // InsertNode(FTInfo) directly to avoid the getASTContext() call in
577 // FunctionTemplateSpecializationInfo's Profile().
578 // We avoid getASTContext because a decl in the parent hierarchy may
579 // be initializing.
Argyrios Kyrtzidis6b541512010-09-08 19:31:22 +0000580 llvm::FoldingSetNodeID ID;
581 FunctionTemplateSpecializationInfo::Profile(ID, TemplArgs.data(),
582 TemplArgs.size(), C);
583 void *InsertPos = 0;
Argyrios Kyrtzidis99a8ca02010-09-13 11:45:48 +0000584 CanonTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
Argyrios Kyrtzidisa626a3d2010-09-09 11:28:23 +0000585 assert(InsertPos && "Another specialization already inserted!");
Argyrios Kyrtzidis99a8ca02010-09-13 11:45:48 +0000586 CanonTemplate->getSpecializations().InsertNode(FTInfo, InsertPos);
Argyrios Kyrtzidis6b541512010-09-08 19:31:22 +0000587 }
Argyrios Kyrtzidisdc767e32010-06-28 09:31:34 +0000588 break;
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000589 }
590 case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
591 // Templates.
592 UnresolvedSet<8> TemplDecls;
593 unsigned NumTemplates = Record[Idx++];
594 while (NumTemplates--)
Douglas Gregor409448c2011-07-21 22:35:25 +0000595 TemplDecls.addDecl(ReadDeclAs<NamedDecl>(Record, Idx));
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000596
597 // Templates args.
598 TemplateArgumentListInfo TemplArgs;
599 unsigned NumArgs = Record[Idx++];
600 while (NumArgs--)
Sebastian Redlc3632732010-10-05 15:59:54 +0000601 TemplArgs.addArgument(Reader.ReadTemplateArgumentLoc(F, Record, Idx));
602 TemplArgs.setLAngleLoc(ReadSourceLocation(Record, Idx));
603 TemplArgs.setRAngleLoc(ReadSourceLocation(Record, Idx));
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000604
Douglas Gregor35942772011-09-09 21:34:22 +0000605 FD->setDependentTemplateSpecialization(Reader.getContext(),
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000606 TemplDecls, TemplArgs);
Argyrios Kyrtzidisdc767e32010-06-28 09:31:34 +0000607 break;
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +0000608 }
609 }
Argyrios Kyrtzidis5efb06f2010-07-02 11:55:40 +0000610
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000611 // Read in the parameters.
Chris Lattner698f9252009-04-27 05:27:42 +0000612 unsigned NumParams = Record[Idx++];
Chris Lattner5f9e2722011-07-23 10:55:15 +0000613 SmallVector<ParmVarDecl *, 16> Params;
Chris Lattner698f9252009-04-27 05:27:42 +0000614 Params.reserve(NumParams);
615 for (unsigned I = 0; I != NumParams; ++I)
Douglas Gregor409448c2011-07-21 22:35:25 +0000616 Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx));
David Blaikie4278c652011-09-21 18:16:56 +0000617 FD->setParams(Reader.getContext(), Params);
Chris Lattner698f9252009-04-27 05:27:42 +0000618}
619
Sebastian Redld527cc02010-08-18 23:56:48 +0000620void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000621 VisitNamedDecl(MD);
622 if (Record[Idx++]) {
623 // In practice, this won't be executed (since method definitions
624 // don't occur in header files).
Sebastian Redlc3632732010-10-05 15:59:54 +0000625 MD->setBody(Reader.ReadStmt(F));
Douglas Gregor409448c2011-07-21 22:35:25 +0000626 MD->setSelfDecl(ReadDeclAs<ImplicitParamDecl>(Record, Idx));
627 MD->setCmdDecl(ReadDeclAs<ImplicitParamDecl>(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000628 }
629 MD->setInstanceMethod(Record[Idx++]);
630 MD->setVariadic(Record[Idx++]);
631 MD->setSynthesized(Record[Idx++]);
Fariborz Jahanian3fe10412010-07-22 18:24:20 +0000632 MD->setDefined(Record[Idx++]);
Argyrios Kyrtzidis72b26252011-10-14 17:41:52 +0000633
634 MD->IsRedeclaration = Record[Idx++];
635 MD->HasRedeclaration = Record[Idx++];
636 if (MD->HasRedeclaration)
637 Reader.getContext().setObjCMethodRedeclaration(MD,
638 ReadDeclAs<ObjCMethodDecl>(Record, Idx));
639
Chris Lattner698f9252009-04-27 05:27:42 +0000640 MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]);
641 MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
Douglas Gregor926df6c2011-06-11 01:09:30 +0000642 MD->SetRelatedResultType(Record[Idx++]);
Douglas Gregor393f2492011-07-22 00:38:23 +0000643 MD->setResultType(Reader.readType(F, Record, Idx));
Sebastian Redlc3632732010-10-05 15:59:54 +0000644 MD->setResultTypeSourceInfo(GetTypeSourceInfo(Record, Idx));
645 MD->setEndLoc(ReadSourceLocation(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000646 unsigned NumParams = Record[Idx++];
Chris Lattner5f9e2722011-07-23 10:55:15 +0000647 SmallVector<ParmVarDecl *, 16> Params;
Chris Lattner698f9252009-04-27 05:27:42 +0000648 Params.reserve(NumParams);
649 for (unsigned I = 0; I != NumParams; ++I)
Douglas Gregor409448c2011-07-21 22:35:25 +0000650 Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx));
Argyrios Kyrtzidis491306a2011-10-03 06:37:04 +0000651
652 MD->SelLocsKind = Record[Idx++];
653 unsigned NumStoredSelLocs = Record[Idx++];
654 SmallVector<SourceLocation, 16> SelLocs;
655 SelLocs.reserve(NumStoredSelLocs);
656 for (unsigned i = 0; i != NumStoredSelLocs; ++i)
657 SelLocs.push_back(ReadSourceLocation(Record, Idx));
658
659 MD->setParamsAndSelLocs(Reader.getContext(), Params, SelLocs);
Chris Lattner698f9252009-04-27 05:27:42 +0000660}
661
Sebastian Redld527cc02010-08-18 23:56:48 +0000662void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000663 VisitNamedDecl(CD);
Argyrios Kyrtzidis1711fc92011-10-04 04:48:02 +0000664 CD->setAtStartLoc(ReadSourceLocation(Record, Idx));
665 CD->setAtEndRange(ReadSourceRange(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000666}
667
Sebastian Redld527cc02010-08-18 23:56:48 +0000668void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
Douglas Gregor0f753232011-12-22 01:48:48 +0000669 RedeclarableResult Redecl = VisitRedeclarable(ID);
Chris Lattner698f9252009-04-27 05:27:42 +0000670 VisitObjCContainerDecl(ID);
Douglas Gregor0af55012011-12-16 03:12:41 +0000671 TypeIDForTypeDecl = Reader.getGlobalTypeID(F, Record[Idx++]);
Douglas Gregordea22cc2012-01-03 17:27:13 +0000672 mergeRedeclarable(ID, Redecl);
Douglas Gregor0f753232011-12-22 01:48:48 +0000673
Douglas Gregorc23f8572012-01-15 18:17:48 +0000674 if (Record[Idx++]) {
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000675 // Read the definition.
676 ID->allocateDefinitionData();
677
Douglas Gregorcc32b442012-01-15 18:08:05 +0000678 // Set the definition data of the canonical declaration, so other
679 // redeclarations will see it.
680 ID->getCanonicalDecl()->Data = ID->Data;
681
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000682 ObjCInterfaceDecl::DefinitionData &Data = ID->data();
683
684 // Read the superclass.
685 Data.SuperClass = ReadDeclAs<ObjCInterfaceDecl>(Record, Idx);
686 Data.SuperClassLoc = ReadSourceLocation(Record, Idx);
687
Douglas Gregor05c272f2011-12-15 22:34:59 +0000688 Data.EndLoc = ReadSourceLocation(Record, Idx);
689
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000690 // Read the directly referenced protocols and their SourceLocations.
691 unsigned NumProtocols = Record[Idx++];
692 SmallVector<ObjCProtocolDecl *, 16> Protocols;
693 Protocols.reserve(NumProtocols);
694 for (unsigned I = 0; I != NumProtocols; ++I)
695 Protocols.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx));
696 SmallVector<SourceLocation, 16> ProtoLocs;
697 ProtoLocs.reserve(NumProtocols);
698 for (unsigned I = 0; I != NumProtocols; ++I)
699 ProtoLocs.push_back(ReadSourceLocation(Record, Idx));
700 ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(),
701 Reader.getContext());
Ted Kremenek53b94412010-09-01 01:21:15 +0000702
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000703 // Read the transitive closure of protocols referenced by this class.
704 NumProtocols = Record[Idx++];
705 Protocols.clear();
706 Protocols.reserve(NumProtocols);
707 for (unsigned I = 0; I != NumProtocols; ++I)
708 Protocols.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx));
709 ID->data().AllReferencedProtocols.set(Protocols.data(), NumProtocols,
710 Reader.getContext());
Ted Kremenek53b94412010-09-01 01:21:15 +0000711
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000712 // We will rebuild this list lazily.
713 ID->setIvarList(0);
714
Douglas Gregor21cf08b2011-12-19 20:51:16 +0000715 // Note that we have deserialized a definition.
716 Reader.PendingDefinitions.insert(ID);
Douglas Gregorcff9f262012-01-27 01:47:08 +0000717
718 // Note that we've loaded this Objective-C class.
719 Reader.ObjCClassesLoaded.push_back(ID);
Douglas Gregorcc32b442012-01-15 18:08:05 +0000720 } else {
721 ID->Data = ID->getCanonicalDecl()->Data;
Douglas Gregor2e5c15b2011-12-15 05:27:12 +0000722 }
Chris Lattner698f9252009-04-27 05:27:42 +0000723}
724
Sebastian Redld527cc02010-08-18 23:56:48 +0000725void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000726 VisitFieldDecl(IVD);
727 IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
Fariborz Jahanian2c18bb72010-08-20 21:21:08 +0000728 // This field will be built lazily.
729 IVD->setNextIvar(0);
Fariborz Jahanianac0021b2010-07-17 18:35:47 +0000730 bool synth = Record[Idx++];
731 IVD->setSynthesize(synth);
Chris Lattner698f9252009-04-27 05:27:42 +0000732}
733
Sebastian Redld527cc02010-08-18 23:56:48 +0000734void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
Douglas Gregordba93612012-01-01 21:47:52 +0000735 RedeclarableResult Redecl = VisitRedeclarable(PD);
Chris Lattner698f9252009-04-27 05:27:42 +0000736 VisitObjCContainerDecl(PD);
Douglas Gregordea22cc2012-01-03 17:27:13 +0000737 mergeRedeclarable(PD, Redecl);
Douglas Gregordba93612012-01-01 21:47:52 +0000738
Douglas Gregorc23f8572012-01-15 18:17:48 +0000739 if (Record[Idx++]) {
Douglas Gregor5e2a1ff2012-01-01 19:29:29 +0000740 // Read the definition.
741 PD->allocateDefinitionData();
742
Douglas Gregorcc32b442012-01-15 18:08:05 +0000743 // Set the definition data of the canonical declaration, so other
744 // redeclarations will see it.
745 PD->getCanonicalDecl()->Data = PD->Data;
746
Douglas Gregor5e2a1ff2012-01-01 19:29:29 +0000747 unsigned NumProtoRefs = Record[Idx++];
748 SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
749 ProtoRefs.reserve(NumProtoRefs);
750 for (unsigned I = 0; I != NumProtoRefs; ++I)
751 ProtoRefs.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx));
752 SmallVector<SourceLocation, 16> ProtoLocs;
753 ProtoLocs.reserve(NumProtoRefs);
754 for (unsigned I = 0; I != NumProtoRefs; ++I)
755 ProtoLocs.push_back(ReadSourceLocation(Record, Idx));
756 PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
757 Reader.getContext());
758
Douglas Gregor1d784b22012-01-01 19:51:50 +0000759 // Note that we have deserialized a definition.
760 Reader.PendingDefinitions.insert(PD);
Douglas Gregorcc32b442012-01-15 18:08:05 +0000761 } else {
762 PD->Data = PD->getCanonicalDecl()->Data;
Douglas Gregor5e2a1ff2012-01-01 19:29:29 +0000763 }
Chris Lattner698f9252009-04-27 05:27:42 +0000764}
765
Sebastian Redld527cc02010-08-18 23:56:48 +0000766void ASTDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000767 VisitFieldDecl(FD);
768}
769
Sebastian Redld527cc02010-08-18 23:56:48 +0000770void ASTDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000771 VisitObjCContainerDecl(CD);
Douglas Gregorcff9f262012-01-27 01:47:08 +0000772 CD->setCategoryNameLoc(ReadSourceLocation(Record, Idx));
773
774 // Note that this category has been deserialized. We do this before
775 // deserializing the interface declaration, so that it will consider this
776 /// category.
777 Reader.CategoriesDeserialized.insert(CD);
778
Argyrios Kyrtzidis955fadb2011-08-30 19:43:26 +0000779 CD->ClassInterface = ReadDeclAs<ObjCInterfaceDecl>(Record, Idx);
Chris Lattner698f9252009-04-27 05:27:42 +0000780 unsigned NumProtoRefs = Record[Idx++];
Chris Lattner5f9e2722011-07-23 10:55:15 +0000781 SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
Chris Lattner698f9252009-04-27 05:27:42 +0000782 ProtoRefs.reserve(NumProtoRefs);
783 for (unsigned I = 0; I != NumProtoRefs; ++I)
Douglas Gregor409448c2011-07-21 22:35:25 +0000784 ProtoRefs.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx));
Chris Lattner5f9e2722011-07-23 10:55:15 +0000785 SmallVector<SourceLocation, 16> ProtoLocs;
Douglas Gregor18df52b2010-01-16 15:02:53 +0000786 ProtoLocs.reserve(NumProtoRefs);
787 for (unsigned I = 0; I != NumProtoRefs; ++I)
Sebastian Redlc3632732010-10-05 15:59:54 +0000788 ProtoLocs.push_back(ReadSourceLocation(Record, Idx));
Douglas Gregor18df52b2010-01-16 15:02:53 +0000789 CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
Douglas Gregor35942772011-09-09 21:34:22 +0000790 Reader.getContext());
Fariborz Jahanian000835d2010-08-23 18:51:39 +0000791 CD->setHasSynthBitfield(Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000792}
793
Sebastian Redld527cc02010-08-18 23:56:48 +0000794void ASTDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000795 VisitNamedDecl(CAD);
Douglas Gregor409448c2011-07-21 22:35:25 +0000796 CAD->setClassInterface(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000797}
798
Sebastian Redld527cc02010-08-18 23:56:48 +0000799void ASTDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
Chris Lattner698f9252009-04-27 05:27:42 +0000800 VisitNamedDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +0000801 D->setAtLoc(ReadSourceLocation(Record, Idx));
802 D->setType(GetTypeSourceInfo(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000803 // FIXME: stable encoding
804 D->setPropertyAttributes(
805 (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
Fariborz Jahanian80aa1cd2010-06-22 23:20:40 +0000806 D->setPropertyAttributesAsWritten(
807 (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000808 // FIXME: stable encoding
809 D->setPropertyImplementation(
810 (ObjCPropertyDecl::PropertyControl)Record[Idx++]);
Douglas Gregor393f2492011-07-22 00:38:23 +0000811 D->setGetterName(Reader.ReadDeclarationName(F,Record, Idx).getObjCSelector());
812 D->setSetterName(Reader.ReadDeclarationName(F,Record, Idx).getObjCSelector());
Douglas Gregor409448c2011-07-21 22:35:25 +0000813 D->setGetterMethodDecl(ReadDeclAs<ObjCMethodDecl>(Record, Idx));
814 D->setSetterMethodDecl(ReadDeclAs<ObjCMethodDecl>(Record, Idx));
815 D->setPropertyIvarDecl(ReadDeclAs<ObjCIvarDecl>(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000816}
817
Sebastian Redld527cc02010-08-18 23:56:48 +0000818void ASTDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
Argyrios Kyrtzidisaecae622009-07-27 19:04:32 +0000819 VisitObjCContainerDecl(D);
Douglas Gregor409448c2011-07-21 22:35:25 +0000820 D->setClassInterface(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000821}
822
Sebastian Redld527cc02010-08-18 23:56:48 +0000823void ASTDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
Chris Lattner698f9252009-04-27 05:27:42 +0000824 VisitObjCImplDecl(D);
Douglas Gregor95eab172011-07-28 20:55:49 +0000825 D->setIdentifier(Reader.GetIdentifierInfo(F, Record, Idx));
Argyrios Kyrtzidisc6994002011-12-09 00:31:40 +0000826 D->CategoryNameLoc = ReadSourceLocation(Record, Idx);
Chris Lattner698f9252009-04-27 05:27:42 +0000827}
828
Sebastian Redld527cc02010-08-18 23:56:48 +0000829void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
Chris Lattner698f9252009-04-27 05:27:42 +0000830 VisitObjCImplDecl(D);
Douglas Gregor409448c2011-07-21 22:35:25 +0000831 D->setSuperClass(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx));
Argyrios Kyrtzidis9d50c062010-08-09 10:54:20 +0000832 llvm::tie(D->IvarInitializers, D->NumIvarInitializers)
Sean Huntcbb67482011-01-08 20:30:50 +0000833 = Reader.ReadCXXCtorInitializers(F, Record, Idx);
Fariborz Jahanian000835d2010-08-23 18:51:39 +0000834 D->setHasSynthBitfield(Record[Idx++]);
Chris Lattner698f9252009-04-27 05:27:42 +0000835}
836
837
Sebastian Redld527cc02010-08-18 23:56:48 +0000838void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
Chris Lattner698f9252009-04-27 05:27:42 +0000839 VisitDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +0000840 D->setAtLoc(ReadSourceLocation(Record, Idx));
Douglas Gregor409448c2011-07-21 22:35:25 +0000841 D->setPropertyDecl(ReadDeclAs<ObjCPropertyDecl>(Record, Idx));
842 D->PropertyIvarDecl = ReadDeclAs<ObjCIvarDecl>(Record, Idx);
Douglas Gregora4ffd852010-11-17 01:03:52 +0000843 D->IvarLoc = ReadSourceLocation(Record, Idx);
Sebastian Redlc3632732010-10-05 15:59:54 +0000844 D->setGetterCXXConstructor(Reader.ReadExpr(F));
845 D->setSetterCXXAssignment(Reader.ReadExpr(F));
Chris Lattner698f9252009-04-27 05:27:42 +0000846}
847
Sebastian Redld527cc02010-08-18 23:56:48 +0000848void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
Argyrios Kyrtzidisd4a7e542009-08-19 01:28:35 +0000849 VisitDeclaratorDecl(FD);
Chris Lattner698f9252009-04-27 05:27:42 +0000850 FD->setMutable(Record[Idx++]);
Richard Smith7a614d82011-06-11 17:19:42 +0000851 int BitWidthOrInitializer = Record[Idx++];
852 if (BitWidthOrInitializer == 1)
Sebastian Redlc3632732010-10-05 15:59:54 +0000853 FD->setBitWidth(Reader.ReadExpr(F));
Richard Smith7a614d82011-06-11 17:19:42 +0000854 else if (BitWidthOrInitializer == 2)
855 FD->setInClassInitializer(Reader.ReadExpr(F));
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +0000856 if (!FD->getDeclName()) {
Douglas Gregor409448c2011-07-21 22:35:25 +0000857 if (FieldDecl *Tmpl = ReadDeclAs<FieldDecl>(Record, Idx))
Douglas Gregor35942772011-09-09 21:34:22 +0000858 Reader.getContext().setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +0000859 }
Chris Lattner698f9252009-04-27 05:27:42 +0000860}
861
Francois Pichet87c2e122010-11-21 06:08:52 +0000862void ASTDeclReader::VisitIndirectFieldDecl(IndirectFieldDecl *FD) {
863 VisitValueDecl(FD);
864
865 FD->ChainingSize = Record[Idx++];
866 assert(FD->ChainingSize >= 2 && "Anonymous chaining must be >= 2");
Douglas Gregor35942772011-09-09 21:34:22 +0000867 FD->Chaining = new (Reader.getContext())NamedDecl*[FD->ChainingSize];
Francois Pichet87c2e122010-11-21 06:08:52 +0000868
869 for (unsigned I = 0; I != FD->ChainingSize; ++I)
Douglas Gregor409448c2011-07-21 22:35:25 +0000870 FD->Chaining[I] = ReadDeclAs<NamedDecl>(Record, Idx);
Francois Pichet87c2e122010-11-21 06:08:52 +0000871}
872
Sebastian Redld527cc02010-08-18 23:56:48 +0000873void ASTDeclReader::VisitVarDecl(VarDecl *VD) {
Douglas Gregor4791fa22012-01-04 17:21:36 +0000874 RedeclarableResult Redecl = VisitRedeclarable(VD);
Douglas Gregord488b3a2011-10-26 17:53:41 +0000875 VisitDeclaratorDecl(VD);
Douglas Gregor4791fa22012-01-04 17:21:36 +0000876
John McCallf1e4fbf2011-05-01 02:13:58 +0000877 VD->VarDeclBits.SClass = (StorageClass)Record[Idx++];
878 VD->VarDeclBits.SClassAsWritten = (StorageClass)Record[Idx++];
879 VD->VarDeclBits.ThreadSpecified = Record[Idx++];
Sebastian Redl5b9cc5d2012-02-11 23:51:47 +0000880 VD->VarDeclBits.InitStyle = Record[Idx++];
John McCallf1e4fbf2011-05-01 02:13:58 +0000881 VD->VarDeclBits.ExceptionVar = Record[Idx++];
882 VD->VarDeclBits.NRVOVariable = Record[Idx++];
883 VD->VarDeclBits.CXXForRangeDecl = Record[Idx++];
John McCall7acddac2011-06-17 06:42:21 +0000884 VD->VarDeclBits.ARCPseudoStrong = Record[Idx++];
Douglas Gregor91534a32012-01-13 23:49:34 +0000885
886 // Only true variables (not parameters or implicit parameters) can be merged.
887 if (VD->getKind() == Decl::Var)
888 mergeRedeclarable(VD, Redecl);
Douglas Gregor4791fa22012-01-04 17:21:36 +0000889
Richard Smith099e7f62011-12-19 06:19:21 +0000890 if (uint64_t Val = Record[Idx++]) {
Sebastian Redlc3632732010-10-05 15:59:54 +0000891 VD->setInit(Reader.ReadExpr(F));
Richard Smith099e7f62011-12-19 06:19:21 +0000892 if (Val > 1) {
893 EvaluatedStmt *Eval = VD->ensureEvaluatedStmt();
894 Eval->CheckedICE = true;
895 Eval->IsICE = Val == 3;
896 }
897 }
Argyrios Kyrtzidis9421adc2010-07-04 21:44:00 +0000898
899 if (Record[Idx++]) { // HasMemberSpecializationInfo.
Douglas Gregor409448c2011-07-21 22:35:25 +0000900 VarDecl *Tmpl = ReadDeclAs<VarDecl>(Record, Idx);
Argyrios Kyrtzidis9421adc2010-07-04 21:44:00 +0000901 TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
Sebastian Redlc3632732010-10-05 15:59:54 +0000902 SourceLocation POI = ReadSourceLocation(Record, Idx);
Douglas Gregor35942772011-09-09 21:34:22 +0000903 Reader.getContext().setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI);
Argyrios Kyrtzidis9421adc2010-07-04 21:44:00 +0000904 }
Chris Lattner698f9252009-04-27 05:27:42 +0000905}
906
Sebastian Redld527cc02010-08-18 23:56:48 +0000907void ASTDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000908 VisitVarDecl(PD);
909}
910
Sebastian Redld527cc02010-08-18 23:56:48 +0000911void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000912 VisitVarDecl(PD);
John McCall70798862011-05-02 00:30:12 +0000913 unsigned isObjCMethodParam = Record[Idx++];
914 unsigned scopeDepth = Record[Idx++];
915 unsigned scopeIndex = Record[Idx++];
916 unsigned declQualifier = Record[Idx++];
917 if (isObjCMethodParam) {
918 assert(scopeDepth == 0);
919 PD->setObjCMethodScopeInfo(scopeIndex);
920 PD->ParmVarDeclBits.ScopeDepthOrObjCQuals = declQualifier;
921 } else {
922 PD->setScopeInfo(scopeDepth, scopeIndex);
923 }
John McCallf1e4fbf2011-05-01 02:13:58 +0000924 PD->ParmVarDeclBits.IsKNRPromoted = Record[Idx++];
925 PD->ParmVarDeclBits.HasInheritedDefaultArg = Record[Idx++];
Argyrios Kyrtzidis691d77f2010-07-04 21:44:07 +0000926 if (Record[Idx++]) // hasUninstantiatedDefaultArg.
Sebastian Redlc3632732010-10-05 15:59:54 +0000927 PD->setUninstantiatedDefaultArg(Reader.ReadExpr(F));
Chris Lattner698f9252009-04-27 05:27:42 +0000928}
929
Sebastian Redld527cc02010-08-18 23:56:48 +0000930void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000931 VisitDecl(AD);
Sebastian Redlc3632732010-10-05 15:59:54 +0000932 AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(F)));
Abramo Bagnara21e006e2011-03-03 14:20:18 +0000933 AD->setRParenLoc(ReadSourceLocation(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000934}
935
Sebastian Redld527cc02010-08-18 23:56:48 +0000936void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
Chris Lattner698f9252009-04-27 05:27:42 +0000937 VisitDecl(BD);
Sebastian Redlc3632732010-10-05 15:59:54 +0000938 BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(F)));
939 BD->setSignatureAsWritten(GetTypeSourceInfo(Record, Idx));
Chris Lattner698f9252009-04-27 05:27:42 +0000940 unsigned NumParams = Record[Idx++];
Chris Lattner5f9e2722011-07-23 10:55:15 +0000941 SmallVector<ParmVarDecl *, 16> Params;
Chris Lattner698f9252009-04-27 05:27:42 +0000942 Params.reserve(NumParams);
943 for (unsigned I = 0; I != NumParams; ++I)
Douglas Gregor409448c2011-07-21 22:35:25 +0000944 Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx));
David Blaikie4278c652011-09-21 18:16:56 +0000945 BD->setParams(Params);
John McCall469a1eb2011-02-02 13:00:07 +0000946
947 bool capturesCXXThis = Record[Idx++];
John McCall6b5a61b2011-02-07 10:33:21 +0000948 unsigned numCaptures = Record[Idx++];
Chris Lattner5f9e2722011-07-23 10:55:15 +0000949 SmallVector<BlockDecl::Capture, 16> captures;
John McCall6b5a61b2011-02-07 10:33:21 +0000950 captures.reserve(numCaptures);
951 for (unsigned i = 0; i != numCaptures; ++i) {
Douglas Gregor409448c2011-07-21 22:35:25 +0000952 VarDecl *decl = ReadDeclAs<VarDecl>(Record, Idx);
John McCall6b5a61b2011-02-07 10:33:21 +0000953 unsigned flags = Record[Idx++];
954 bool byRef = (flags & 1);
955 bool nested = (flags & 2);
956 Expr *copyExpr = ((flags & 4) ? Reader.ReadExpr(F) : 0);
957
958 captures.push_back(BlockDecl::Capture(decl, byRef, nested, copyExpr));
959 }
Douglas Gregor35942772011-09-09 21:34:22 +0000960 BD->setCaptures(Reader.getContext(), captures.begin(),
John McCall6b5a61b2011-02-07 10:33:21 +0000961 captures.end(), capturesCXXThis);
Chris Lattner698f9252009-04-27 05:27:42 +0000962}
963
Sebastian Redld527cc02010-08-18 23:56:48 +0000964void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000965 VisitDecl(D);
966 D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]);
Abramo Bagnaraa2026c92011-03-08 16:41:52 +0000967 D->setExternLoc(ReadSourceLocation(Record, Idx));
Abramo Bagnara5f6bcbe2011-03-03 14:52:38 +0000968 D->setRBraceLoc(ReadSourceLocation(Record, Idx));
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000969}
970
Chris Lattnerad8dcf42011-02-17 07:39:24 +0000971void ASTDeclReader::VisitLabelDecl(LabelDecl *D) {
972 VisitNamedDecl(D);
Abramo Bagnara67843042011-03-05 18:21:20 +0000973 D->setLocStart(ReadSourceLocation(Record, Idx));
Chris Lattnerad8dcf42011-02-17 07:39:24 +0000974}
975
976
Sebastian Redld527cc02010-08-18 23:56:48 +0000977void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +0000978 RedeclarableResult Redecl = VisitRedeclarable(D);
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000979 VisitNamedDecl(D);
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +0000980 D->setInline(Record[Idx++]);
Abramo Bagnaraacba90f2011-03-08 12:38:20 +0000981 D->LocStart = ReadSourceLocation(Record, Idx);
982 D->RBraceLoc = ReadSourceLocation(Record, Idx);
Douglas Gregorc6c8e0e2012-01-09 17:30:44 +0000983 mergeRedeclarable(D, Redecl);
984
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +0000985 if (Redecl.getFirstID() == ThisDeclID) {
Douglas Gregor1c3875d2012-01-09 18:07:24 +0000986 // Each module has its own anonymous namespace, which is disjoint from
987 // any other module's anonymous namespaces, so don't attach the anonymous
988 // namespace at all.
989 NamespaceDecl *Anon = ReadDeclAs<NamespaceDecl>(Record, Idx);
990 if (F.Kind != MK_Module)
991 D->setAnonymousNamespace(Anon);
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +0000992 } else {
993 // Link this namespace back to the first declaration, which has already
994 // been deserialized.
995 D->AnonOrFirstNamespaceAndInline.setPointer(D->getFirstDeclaration());
996 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +0000997}
998
Sebastian Redld527cc02010-08-18 23:56:48 +0000999void ASTDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001000 VisitNamedDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001001 D->NamespaceLoc = ReadSourceLocation(Record, Idx);
Sebastian Redlc3632732010-10-05 15:59:54 +00001002 D->IdentLoc = ReadSourceLocation(Record, Idx);
Douglas Gregor0cfaf6a2011-02-25 17:08:07 +00001003 D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
Douglas Gregor409448c2011-07-21 22:35:25 +00001004 D->Namespace = ReadDeclAs<NamedDecl>(Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001005}
1006
Sebastian Redld527cc02010-08-18 23:56:48 +00001007void ASTDeclReader::VisitUsingDecl(UsingDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001008 VisitNamedDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001009 D->setUsingLocation(ReadSourceLocation(Record, Idx));
Douglas Gregordc355712011-02-25 00:36:19 +00001010 D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +00001011 ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx);
Benjamin Kramer9bc6fb62012-01-07 19:09:05 +00001012 D->FirstUsingShadow.setPointer(ReadDeclAs<UsingShadowDecl>(Record, Idx));
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001013 D->setTypeName(Record[Idx++]);
Douglas Gregor409448c2011-07-21 22:35:25 +00001014 if (NamedDecl *Pattern = ReadDeclAs<NamedDecl>(Record, Idx))
Douglas Gregor35942772011-09-09 21:34:22 +00001015 Reader.getContext().setInstantiatedFromUsingDecl(D, Pattern);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001016}
1017
Sebastian Redld527cc02010-08-18 23:56:48 +00001018void ASTDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001019 VisitNamedDecl(D);
Douglas Gregor409448c2011-07-21 22:35:25 +00001020 D->setTargetDecl(ReadDeclAs<NamedDecl>(Record, Idx));
1021 D->UsingOrNextShadow = ReadDeclAs<NamedDecl>(Record, Idx);
1022 UsingShadowDecl *Pattern = ReadDeclAs<UsingShadowDecl>(Record, Idx);
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +00001023 if (Pattern)
Douglas Gregor35942772011-09-09 21:34:22 +00001024 Reader.getContext().setInstantiatedFromUsingShadowDecl(D, Pattern);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001025}
1026
Sebastian Redld527cc02010-08-18 23:56:48 +00001027void ASTDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001028 VisitNamedDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001029 D->UsingLoc = ReadSourceLocation(Record, Idx);
1030 D->NamespaceLoc = ReadSourceLocation(Record, Idx);
Douglas Gregordb992412011-02-25 16:33:46 +00001031 D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
Douglas Gregor409448c2011-07-21 22:35:25 +00001032 D->NominatedNamespace = ReadDeclAs<NamedDecl>(Record, Idx);
1033 D->CommonAncestor = ReadDeclAs<DeclContext>(Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001034}
1035
Sebastian Redld527cc02010-08-18 23:56:48 +00001036void ASTDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001037 VisitValueDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001038 D->setUsingLoc(ReadSourceLocation(Record, Idx));
Douglas Gregordc355712011-02-25 00:36:19 +00001039 D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
Argyrios Kyrtzidis40451072010-10-15 18:21:24 +00001040 ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001041}
1042
Sebastian Redld527cc02010-08-18 23:56:48 +00001043void ASTDeclReader::VisitUnresolvedUsingTypenameDecl(
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001044 UnresolvedUsingTypenameDecl *D) {
1045 VisitTypeDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001046 D->TypenameLocation = ReadSourceLocation(Record, Idx);
Douglas Gregordc355712011-02-25 00:36:19 +00001047 D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001048}
1049
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001050void ASTDeclReader::ReadCXXDefinitionData(
Argyrios Kyrtzidis89eaf3a2010-10-24 17:26:40 +00001051 struct CXXRecordDecl::DefinitionData &Data,
1052 const RecordData &Record, unsigned &Idx) {
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001053 Data.UserDeclaredConstructor = Record[Idx++];
1054 Data.UserDeclaredCopyConstructor = Record[Idx++];
Douglas Gregor58e97972011-09-06 16:38:46 +00001055 Data.UserDeclaredMoveConstructor = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001056 Data.UserDeclaredCopyAssignment = Record[Idx++];
Douglas Gregor58e97972011-09-06 16:38:46 +00001057 Data.UserDeclaredMoveAssignment = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001058 Data.UserDeclaredDestructor = Record[Idx++];
1059 Data.Aggregate = Record[Idx++];
1060 Data.PlainOldData = Record[Idx++];
1061 Data.Empty = Record[Idx++];
1062 Data.Polymorphic = Record[Idx++];
1063 Data.Abstract = Record[Idx++];
Chandler Carruthec997dc2011-04-30 10:07:30 +00001064 Data.IsStandardLayout = Record[Idx++];
Chandler Carrutha8225442011-04-30 09:17:45 +00001065 Data.HasNoNonEmptyBases = Record[Idx++];
1066 Data.HasPrivateFields = Record[Idx++];
1067 Data.HasProtectedFields = Record[Idx++];
1068 Data.HasPublicFields = Record[Idx++];
Douglas Gregor2bb11012011-05-13 01:05:07 +00001069 Data.HasMutableFields = Record[Idx++];
Sean Hunt023df372011-05-09 18:22:59 +00001070 Data.HasTrivialDefaultConstructor = Record[Idx++];
Richard Smith6b8bc072011-08-10 18:11:37 +00001071 Data.HasConstexprNonCopyMoveConstructor = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001072 Data.HasTrivialCopyConstructor = Record[Idx++];
Chandler Carruth4d6e5a22011-04-23 23:10:33 +00001073 Data.HasTrivialMoveConstructor = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001074 Data.HasTrivialCopyAssignment = Record[Idx++];
Chandler Carruth4d6e5a22011-04-23 23:10:33 +00001075 Data.HasTrivialMoveAssignment = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001076 Data.HasTrivialDestructor = Record[Idx++];
Chandler Carruth9b6347c2011-04-24 02:49:34 +00001077 Data.HasNonLiteralTypeFieldsOrBases = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001078 Data.ComputedVisibleConversions = Record[Idx++];
Sean Huntcdee3fe2011-05-11 22:34:38 +00001079 Data.UserProvidedDefaultConstructor = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001080 Data.DeclaredDefaultConstructor = Record[Idx++];
1081 Data.DeclaredCopyConstructor = Record[Idx++];
Douglas Gregor58e97972011-09-06 16:38:46 +00001082 Data.DeclaredMoveConstructor = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001083 Data.DeclaredCopyAssignment = Record[Idx++];
Douglas Gregor58e97972011-09-06 16:38:46 +00001084 Data.DeclaredMoveAssignment = Record[Idx++];
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001085 Data.DeclaredDestructor = Record[Idx++];
Sebastian Redl14c36332011-08-31 13:59:56 +00001086 Data.FailedImplicitMoveConstructor = Record[Idx++];
1087 Data.FailedImplicitMoveAssignment = Record[Idx++];
Anders Carlssonfaa6afd2011-01-22 18:11:02 +00001088
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001089 Data.NumBases = Record[Idx++];
Douglas Gregor7c789c12010-10-29 22:39:52 +00001090 if (Data.NumBases)
Douglas Gregore92b8a12011-08-04 00:01:48 +00001091 Data.Bases = Reader.readCXXBaseSpecifiers(F, Record, Idx);
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001092 Data.NumVBases = Record[Idx++];
Douglas Gregor7c789c12010-10-29 22:39:52 +00001093 if (Data.NumVBases)
Douglas Gregore92b8a12011-08-04 00:01:48 +00001094 Data.VBases = Reader.readCXXBaseSpecifiers(F, Record, Idx);
Douglas Gregor7c789c12010-10-29 22:39:52 +00001095
Douglas Gregor409448c2011-07-21 22:35:25 +00001096 Reader.ReadUnresolvedSet(F, Data.Conversions, Record, Idx);
1097 Reader.ReadUnresolvedSet(F, Data.VisibleConversions, Record, Idx);
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001098 assert(Data.Definition && "Data.Definition should be already set!");
Douglas Gregor409448c2011-07-21 22:35:25 +00001099 Data.FirstFriend = ReadDeclAs<FriendDecl>(Record, Idx);
Argyrios Kyrtzidisc01dc6f2010-10-24 17:26:27 +00001100}
1101
Douglas Gregorc23f8572012-01-15 18:17:48 +00001102void ASTDeclReader::VisitCXXRecordDecl(CXXRecordDecl *D) {
1103 VisitRecordDecl(D);
Argyrios Kyrtzidis9703b0d2010-10-20 00:11:15 +00001104
Douglas Gregorc23f8572012-01-15 18:17:48 +00001105 ASTContext &C = Reader.getContext();
1106 if (Record[Idx++]) {
Argyrios Kyrtzidis134db1f2010-10-24 17:26:31 +00001107 D->DefinitionData = new (C) struct CXXRecordDecl::DefinitionData(D);
Douglas Gregorcc32b442012-01-15 18:08:05 +00001108
1109 // Propagate the DefinitionData pointer to the canonical declaration, so
1110 // that all other deserialized declarations will see it.
1111 // FIXME: Complain if there already is a DefinitionData!
1112 D->getCanonicalDecl()->DefinitionData = D->DefinitionData;
1113
Argyrios Kyrtzidis89eaf3a2010-10-24 17:26:40 +00001114 ReadCXXDefinitionData(*D->DefinitionData, Record, Idx);
Douglas Gregorc23f8572012-01-15 18:17:48 +00001115
Douglas Gregorcc32b442012-01-15 18:08:05 +00001116 // Note that we have deserialized a definition. Any declarations
1117 // deserialized before this one will be be given the DefinitionData pointer
1118 // at the end.
Douglas Gregorfc529f72011-12-19 19:00:47 +00001119 Reader.PendingDefinitions.insert(D);
Douglas Gregorcc32b442012-01-15 18:08:05 +00001120 } else {
1121 // Propagate DefinitionData pointer from the canonical declaration.
Douglas Gregorc23f8572012-01-15 18:17:48 +00001122 D->DefinitionData = D->getCanonicalDecl()->DefinitionData;
Argyrios Kyrtzidis37ffed32010-07-02 11:55:32 +00001123 }
1124
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001125 enum CXXRecKind {
1126 CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
1127 };
1128 switch ((CXXRecKind)Record[Idx++]) {
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001129 case CXXRecNotTemplate:
1130 break;
1131 case CXXRecTemplate:
Douglas Gregor409448c2011-07-21 22:35:25 +00001132 D->TemplateOrInstantiation = ReadDeclAs<ClassTemplateDecl>(Record, Idx);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001133 break;
1134 case CXXRecMemberSpecialization: {
Douglas Gregor409448c2011-07-21 22:35:25 +00001135 CXXRecordDecl *RD = ReadDeclAs<CXXRecordDecl>(Record, Idx);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001136 TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
Sebastian Redlc3632732010-10-05 15:59:54 +00001137 SourceLocation POI = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidis8b996b82010-09-13 11:45:25 +00001138 MemberSpecializationInfo *MSI = new (C) MemberSpecializationInfo(RD, TSK);
1139 MSI->setPointOfInstantiation(POI);
1140 D->TemplateOrInstantiation = MSI;
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001141 break;
1142 }
1143 }
Argyrios Kyrtzidis36d2fd42010-10-14 20:14:38 +00001144
1145 // Load the key function to avoid deserializing every method so we can
1146 // compute it.
John McCall5e1cdac2011-10-07 06:10:15 +00001147 if (D->IsCompleteDefinition) {
Douglas Gregor409448c2011-07-21 22:35:25 +00001148 if (CXXMethodDecl *Key = ReadDeclAs<CXXMethodDecl>(Record, Idx))
Argyrios Kyrtzidis36d2fd42010-10-14 20:14:38 +00001149 C.KeyFunctions[D] = Key;
1150 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001151}
1152
Sebastian Redld527cc02010-08-18 23:56:48 +00001153void ASTDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001154 VisitFunctionDecl(D);
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +00001155 unsigned NumOverridenMethods = Record[Idx++];
1156 while (NumOverridenMethods--) {
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +00001157 // Avoid invariant checking of CXXMethodDecl::addOverriddenMethod,
1158 // MD may be initializing.
Douglas Gregor409448c2011-07-21 22:35:25 +00001159 if (CXXMethodDecl *MD = ReadDeclAs<CXXMethodDecl>(Record, Idx))
Douglas Gregor35942772011-09-09 21:34:22 +00001160 Reader.getContext().addOverriddenMethod(D, MD);
Argyrios Kyrtzidisc91e9f42010-07-04 21:44:35 +00001161 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001162}
1163
Sebastian Redld527cc02010-08-18 23:56:48 +00001164void ASTDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001165 VisitCXXMethodDecl(D);
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +00001166
1167 D->IsExplicitSpecified = Record[Idx++];
1168 D->ImplicitlyDefined = Record[Idx++];
Sean Huntcbb67482011-01-08 20:30:50 +00001169 llvm::tie(D->CtorInitializers, D->NumCtorInitializers)
1170 = Reader.ReadCXXCtorInitializers(F, Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001171}
1172
Sebastian Redld527cc02010-08-18 23:56:48 +00001173void ASTDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001174 VisitCXXMethodDecl(D);
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +00001175
1176 D->ImplicitlyDefined = Record[Idx++];
Douglas Gregor409448c2011-07-21 22:35:25 +00001177 D->OperatorDelete = ReadDeclAs<FunctionDecl>(Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001178}
1179
Sebastian Redld527cc02010-08-18 23:56:48 +00001180void ASTDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) {
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001181 VisitCXXMethodDecl(D);
Argyrios Kyrtzidis91468322010-07-02 15:58:43 +00001182 D->IsExplicitSpecified = Record[Idx++];
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001183}
1184
Douglas Gregor15de72c2011-12-02 23:23:56 +00001185void ASTDeclReader::VisitImportDecl(ImportDecl *D) {
1186 VisitDecl(D);
1187 D->ImportedAndComplete.setPointer(readModule(Record, Idx));
1188 D->ImportedAndComplete.setInt(Record[Idx++]);
1189 SourceLocation *StoredLocs = reinterpret_cast<SourceLocation *>(D + 1);
1190 for (unsigned I = 0, N = Record.back(); I != N; ++I)
1191 StoredLocs[I] = ReadSourceLocation(Record, Idx);
1192 ++Idx;
1193}
1194
Sebastian Redld527cc02010-08-18 23:56:48 +00001195void ASTDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) {
Abramo Bagnara6206d532010-06-05 05:09:32 +00001196 VisitDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001197 D->setColonLoc(ReadSourceLocation(Record, Idx));
Abramo Bagnara6206d532010-06-05 05:09:32 +00001198}
1199
Sebastian Redld527cc02010-08-18 23:56:48 +00001200void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
Argyrios Kyrtzidisc8f9af22010-07-05 10:38:01 +00001201 VisitDecl(D);
Argyrios Kyrtzidis67643342010-06-29 22:47:00 +00001202 if (Record[Idx++])
Sebastian Redlc3632732010-10-05 15:59:54 +00001203 D->Friend = GetTypeSourceInfo(Record, Idx);
Argyrios Kyrtzidis67643342010-06-29 22:47:00 +00001204 else
Douglas Gregor409448c2011-07-21 22:35:25 +00001205 D->Friend = ReadDeclAs<NamedDecl>(Record, Idx);
Douglas Gregor69aecc62010-10-27 20:23:41 +00001206 D->NextFriend = Record[Idx++];
John McCall6102ca12010-10-16 06:59:13 +00001207 D->UnsupportedFriend = (Record[Idx++] != 0);
Sebastian Redlc3632732010-10-05 15:59:54 +00001208 D->FriendLoc = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidis67643342010-06-29 22:47:00 +00001209}
1210
Sebastian Redld527cc02010-08-18 23:56:48 +00001211void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
Argyrios Kyrtzidis554e6aa2010-07-22 16:04:10 +00001212 VisitDecl(D);
1213 unsigned NumParams = Record[Idx++];
1214 D->NumParams = NumParams;
1215 D->Params = new TemplateParameterList*[NumParams];
1216 for (unsigned i = 0; i != NumParams; ++i)
Sebastian Redlc3632732010-10-05 15:59:54 +00001217 D->Params[i] = Reader.ReadTemplateParameterList(F, Record, Idx);
Argyrios Kyrtzidis554e6aa2010-07-22 16:04:10 +00001218 if (Record[Idx++]) // HasFriendDecl
Douglas Gregor409448c2011-07-21 22:35:25 +00001219 D->Friend = ReadDeclAs<NamedDecl>(Record, Idx);
Argyrios Kyrtzidis554e6aa2010-07-22 16:04:10 +00001220 else
Sebastian Redlc3632732010-10-05 15:59:54 +00001221 D->Friend = GetTypeSourceInfo(Record, Idx);
1222 D->FriendLoc = ReadSourceLocation(Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001223}
1224
Sebastian Redld527cc02010-08-18 23:56:48 +00001225void ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) {
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001226 VisitNamedDecl(D);
1227
Douglas Gregor409448c2011-07-21 22:35:25 +00001228 NamedDecl *TemplatedDecl = ReadDeclAs<NamedDecl>(Record, Idx);
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001229 TemplateParameterList* TemplateParams
Sebastian Redlc3632732010-10-05 15:59:54 +00001230 = Reader.ReadTemplateParameterList(F, Record, Idx);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001231 D->init(TemplatedDecl, TemplateParams);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001232}
1233
Douglas Gregor0782ef22012-01-06 22:05:37 +00001234ASTDeclReader::RedeclarableResult
1235ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001236 RedeclarableResult Redecl = VisitRedeclarable(D);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001237
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001238 // Make sure we've allocated the Common pointer first. We do this before
1239 // VisitTemplateDecl so that getCommonPtr() can be used during initialization.
1240 RedeclarableTemplateDecl *CanonD = D->getCanonicalDecl();
1241 if (!CanonD->Common) {
1242 CanonD->Common = CanonD->newCommon(Reader.getContext());
1243 Reader.PendingDefinitions.insert(CanonD);
1244 }
1245 D->Common = CanonD->Common;
Douglas Gregor0f753232011-12-22 01:48:48 +00001246
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001247 // If this is the first declaration of the template, fill in the information
1248 // for the 'common' pointer.
1249 if (ThisDeclID == Redecl.getFirstID()) {
Peter Collingbourne9eabeba2010-07-29 16:11:51 +00001250 if (RedeclarableTemplateDecl *RTD
Douglas Gregor0f753232011-12-22 01:48:48 +00001251 = ReadDeclAs<RedeclarableTemplateDecl>(Record, Idx)) {
Peter Collingbourne9eabeba2010-07-29 16:11:51 +00001252 assert(RTD->getKind() == D->getKind() &&
1253 "InstantiatedFromMemberTemplate kind mismatch");
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001254 D->setInstantiatedFromMemberTemplate(RTD);
Peter Collingbourne9eabeba2010-07-29 16:11:51 +00001255 if (Record[Idx++])
1256 D->setMemberSpecialization();
1257 }
1258 }
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001259
Argyrios Kyrtzidis6b541512010-09-08 19:31:22 +00001260 VisitTemplateDecl(D);
1261 D->IdentifierNamespace = Record[Idx++];
Douglas Gregor0782ef22012-01-06 22:05:37 +00001262
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001263 return Redecl;
Peter Collingbourne9eabeba2010-07-29 16:11:51 +00001264}
1265
Sebastian Redld527cc02010-08-18 23:56:48 +00001266void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001267 RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D);
Peter Collingbourne9eabeba2010-07-29 16:11:51 +00001268
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001269 if (ThisDeclID == Redecl.getFirstID()) {
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001270 // This ClassTemplateDecl owns a CommonPtr; read it to keep track of all of
1271 // the specializations.
Chris Lattner5f9e2722011-07-23 10:55:15 +00001272 SmallVector<serialization::DeclID, 2> SpecIDs;
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001273 SpecIDs.push_back(0);
1274
1275 // Specializations.
1276 unsigned Size = Record[Idx++];
1277 SpecIDs[0] += Size;
Douglas Gregor409448c2011-07-21 22:35:25 +00001278 for (unsigned I = 0; I != Size; ++I)
1279 SpecIDs.push_back(ReadDeclID(Record, Idx));
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001280
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001281 // Partial specializations.
1282 Size = Record[Idx++];
1283 SpecIDs[0] += Size;
Douglas Gregor409448c2011-07-21 22:35:25 +00001284 for (unsigned I = 0; I != Size; ++I)
1285 SpecIDs.push_back(ReadDeclID(Record, Idx));
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001286
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001287 if (SpecIDs[0]) {
1288 typedef serialization::DeclID DeclID;
1289
1290 ClassTemplateDecl::Common *CommonPtr = D->getCommonPtr();
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001291 // FIXME: Append specializations!
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001292 CommonPtr->LazySpecializations
Douglas Gregor35942772011-09-09 21:34:22 +00001293 = new (Reader.getContext()) DeclID [SpecIDs.size()];
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001294 memcpy(CommonPtr->LazySpecializations, SpecIDs.data(),
1295 SpecIDs.size() * sizeof(DeclID));
1296 }
1297
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001298 // InjectedClassNameType is computed.
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001299 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001300}
1301
Sebastian Redld527cc02010-08-18 23:56:48 +00001302void ASTDeclReader::VisitClassTemplateSpecializationDecl(
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001303 ClassTemplateSpecializationDecl *D) {
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001304 VisitCXXRecordDecl(D);
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001305
Douglas Gregor35942772011-09-09 21:34:22 +00001306 ASTContext &C = Reader.getContext();
Douglas Gregor409448c2011-07-21 22:35:25 +00001307 if (Decl *InstD = ReadDecl(Record, Idx)) {
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001308 if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001309 D->SpecializedTemplate = CTD;
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001310 } else {
Chris Lattner5f9e2722011-07-23 10:55:15 +00001311 SmallVector<TemplateArgument, 8> TemplArgs;
Sebastian Redlc3632732010-10-05 15:59:54 +00001312 Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx);
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001313 TemplateArgumentList *ArgList
Douglas Gregor910f8002010-11-07 23:05:16 +00001314 = TemplateArgumentList::CreateCopy(C, TemplArgs.data(),
1315 TemplArgs.size());
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001316 ClassTemplateSpecializationDecl::SpecializedPartialSpecialization *PS
1317 = new (C) ClassTemplateSpecializationDecl::
1318 SpecializedPartialSpecialization();
1319 PS->PartialSpecialization
1320 = cast<ClassTemplatePartialSpecializationDecl>(InstD);
1321 PS->TemplateArgs = ArgList;
1322 D->SpecializedTemplate = PS;
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001323 }
1324 }
1325
1326 // Explicit info.
Sebastian Redlc3632732010-10-05 15:59:54 +00001327 if (TypeSourceInfo *TyInfo = GetTypeSourceInfo(Record, Idx)) {
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001328 ClassTemplateSpecializationDecl::ExplicitSpecializationInfo *ExplicitInfo
1329 = new (C) ClassTemplateSpecializationDecl::ExplicitSpecializationInfo;
1330 ExplicitInfo->TypeAsWritten = TyInfo;
Sebastian Redlc3632732010-10-05 15:59:54 +00001331 ExplicitInfo->ExternLoc = ReadSourceLocation(Record, Idx);
1332 ExplicitInfo->TemplateKeywordLoc = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001333 D->ExplicitInfo = ExplicitInfo;
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001334 }
1335
Chris Lattner5f9e2722011-07-23 10:55:15 +00001336 SmallVector<TemplateArgument, 8> TemplArgs;
Sebastian Redlc3632732010-10-05 15:59:54 +00001337 Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx);
Douglas Gregor910f8002010-11-07 23:05:16 +00001338 D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs.data(),
1339 TemplArgs.size());
Sebastian Redlc3632732010-10-05 15:59:54 +00001340 D->PointOfInstantiation = ReadSourceLocation(Record, Idx);
Argyrios Kyrtzidis586c7152010-09-13 11:45:32 +00001341 D->SpecializationKind = (TemplateSpecializationKind)Record[Idx++];
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001342
Argyrios Kyrtzidisbc5ab7c2010-07-20 13:59:40 +00001343 if (D->isCanonicalDecl()) { // It's kept in the folding set.
Douglas Gregor409448c2011-07-21 22:35:25 +00001344 ClassTemplateDecl *CanonPattern = ReadDeclAs<ClassTemplateDecl>(Record,Idx);
Argyrios Kyrtzidisecf966e2010-07-09 21:11:43 +00001345 if (ClassTemplatePartialSpecializationDecl *Partial
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001346 = dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
1347 CanonPattern->getCommonPtr()->PartialSpecializations.InsertNode(Partial);
Argyrios Kyrtzidisecf966e2010-07-09 21:11:43 +00001348 } else {
Douglas Gregorc8e5cf82010-10-27 22:21:36 +00001349 CanonPattern->getCommonPtr()->Specializations.InsertNode(D);
Argyrios Kyrtzidisecf966e2010-07-09 21:11:43 +00001350 }
1351 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001352}
1353
Sebastian Redld527cc02010-08-18 23:56:48 +00001354void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001355 ClassTemplatePartialSpecializationDecl *D) {
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001356 VisitClassTemplateSpecializationDecl(D);
1357
Douglas Gregor35942772011-09-09 21:34:22 +00001358 ASTContext &C = Reader.getContext();
Sebastian Redlc3632732010-10-05 15:59:54 +00001359 D->TemplateParams = Reader.ReadTemplateParameterList(F, Record, Idx);
Argyrios Kyrtzidis8fed4b42010-09-13 11:45:41 +00001360
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001361 unsigned NumArgs = Record[Idx++];
Argyrios Kyrtzidis8fed4b42010-09-13 11:45:41 +00001362 if (NumArgs) {
1363 D->NumArgsAsWritten = NumArgs;
1364 D->ArgsAsWritten = new (C) TemplateArgumentLoc[NumArgs];
1365 for (unsigned i=0; i != NumArgs; ++i)
Sebastian Redlc3632732010-10-05 15:59:54 +00001366 D->ArgsAsWritten[i] = Reader.ReadTemplateArgumentLoc(F, Record, Idx);
Argyrios Kyrtzidis8fed4b42010-09-13 11:45:41 +00001367 }
1368
1369 D->SequenceNumber = Record[Idx++];
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001370
1371 // These are read/set from/to the first declaration.
Douglas Gregoref96ee02012-01-14 16:38:05 +00001372 if (D->getPreviousDecl() == 0) {
Argyrios Kyrtzidis8fed4b42010-09-13 11:45:41 +00001373 D->InstantiatedFromMember.setPointer(
Douglas Gregor409448c2011-07-21 22:35:25 +00001374 ReadDeclAs<ClassTemplatePartialSpecializationDecl>(Record, Idx));
Argyrios Kyrtzidis8fed4b42010-09-13 11:45:41 +00001375 D->InstantiatedFromMember.setInt(Record[Idx++]);
Argyrios Kyrtzidisdd41c142010-06-23 13:48:30 +00001376 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001377}
1378
Sebastian Redl14c36332011-08-31 13:59:56 +00001379void ASTDeclReader::VisitClassScopeFunctionSpecializationDecl(
1380 ClassScopeFunctionSpecializationDecl *D) {
Francois Pichetbc845322011-08-17 01:06:54 +00001381 VisitDecl(D);
1382 D->Specialization = ReadDeclAs<CXXMethodDecl>(Record, Idx);
1383}
1384
Sebastian Redld527cc02010-08-18 23:56:48 +00001385void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001386 RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +00001387
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001388 if (ThisDeclID == Redecl.getFirstID()) {
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +00001389 // This FunctionTemplateDecl owns a CommonPtr; read it.
1390
Argyrios Kyrtzidis057d9af2010-07-06 15:37:09 +00001391 // Read the function specialization declarations.
1392 // FunctionTemplateDecl's FunctionTemplateSpecializationInfos are filled
Argyrios Kyrtzidis99a8ca02010-09-13 11:45:48 +00001393 // when reading the specialized FunctionDecl.
Argyrios Kyrtzidis057d9af2010-07-06 15:37:09 +00001394 unsigned NumSpecs = Record[Idx++];
1395 while (NumSpecs--)
Douglas Gregor409448c2011-07-21 22:35:25 +00001396 (void)ReadDecl(Record, Idx);
Argyrios Kyrtzidisf511ba62010-06-22 09:55:07 +00001397 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001398}
1399
Sebastian Redld527cc02010-08-18 23:56:48 +00001400void ASTDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001401 VisitTypeDecl(D);
1402
1403 D->setDeclaredWithTypename(Record[Idx++]);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001404
1405 bool Inherited = Record[Idx++];
Sebastian Redlc3632732010-10-05 15:59:54 +00001406 TypeSourceInfo *DefArg = GetTypeSourceInfo(Record, Idx);
Argyrios Kyrtzidis8731ca72010-06-19 19:29:09 +00001407 D->setDefaultArgument(DefArg, Inherited);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001408}
1409
Sebastian Redld527cc02010-08-18 23:56:48 +00001410void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
John McCall76a40212011-02-09 01:13:10 +00001411 VisitDeclaratorDecl(D);
Argyrios Kyrtzidisb24e1992010-06-25 16:25:09 +00001412 // TemplateParmPosition.
1413 D->setDepth(Record[Idx++]);
1414 D->setPosition(Record[Idx++]);
Douglas Gregor6952f1e2011-01-19 20:10:05 +00001415 if (D->isExpandedParameterPack()) {
1416 void **Data = reinterpret_cast<void **>(D + 1);
1417 for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) {
Douglas Gregor393f2492011-07-22 00:38:23 +00001418 Data[2*I] = Reader.readType(F, Record, Idx).getAsOpaquePtr();
Douglas Gregor6952f1e2011-01-19 20:10:05 +00001419 Data[2*I + 1] = GetTypeSourceInfo(Record, Idx);
1420 }
1421 } else {
1422 // Rest of NonTypeTemplateParmDecl.
1423 D->ParameterPack = Record[Idx++];
1424 if (Record[Idx++]) {
1425 Expr *DefArg = Reader.ReadExpr(F);
1426 bool Inherited = Record[Idx++];
1427 D->setDefaultArgument(DefArg, Inherited);
1428 }
1429 }
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001430}
1431
Sebastian Redld527cc02010-08-18 23:56:48 +00001432void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
Argyrios Kyrtzidisbfcc92c2010-07-08 17:12:57 +00001433 VisitTemplateDecl(D);
1434 // TemplateParmPosition.
1435 D->setDepth(Record[Idx++]);
1436 D->setPosition(Record[Idx++]);
1437 // Rest of TemplateTemplateParmDecl.
Sebastian Redlc3632732010-10-05 15:59:54 +00001438 TemplateArgumentLoc Arg = Reader.ReadTemplateArgumentLoc(F, Record, Idx);
Argyrios Kyrtzidisbfcc92c2010-07-08 17:12:57 +00001439 bool IsInherited = Record[Idx++];
1440 D->setDefaultArgument(Arg, IsInherited);
Douglas Gregor61c4d282011-01-05 15:48:55 +00001441 D->ParameterPack = Record[Idx++];
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001442}
1443
Richard Smith3e4c6c42011-05-05 21:57:07 +00001444void ASTDeclReader::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) {
1445 VisitRedeclarableTemplateDecl(D);
1446}
1447
Sebastian Redld527cc02010-08-18 23:56:48 +00001448void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
Argyrios Kyrtzidis0d396892010-07-22 17:28:12 +00001449 VisitDecl(D);
Sebastian Redlc3632732010-10-05 15:59:54 +00001450 D->AssertExpr = Reader.ReadExpr(F);
1451 D->Message = cast<StringLiteral>(Reader.ReadExpr(F));
Abramo Bagnaraa2026c92011-03-08 16:41:52 +00001452 D->RParenLoc = ReadSourceLocation(Record, Idx);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001453}
1454
Mike Stump1eb44332009-09-09 15:08:12 +00001455std::pair<uint64_t, uint64_t>
Sebastian Redld527cc02010-08-18 23:56:48 +00001456ASTDeclReader::VisitDeclContext(DeclContext *DC) {
Chris Lattner698f9252009-04-27 05:27:42 +00001457 uint64_t LexicalOffset = Record[Idx++];
1458 uint64_t VisibleOffset = Record[Idx++];
1459 return std::make_pair(LexicalOffset, VisibleOffset);
1460}
1461
Argyrios Kyrtzidisa8650052010-08-03 17:30:10 +00001462template <typename T>
Douglas Gregor0f753232011-12-22 01:48:48 +00001463ASTDeclReader::RedeclarableResult
1464ASTDeclReader::VisitRedeclarable(Redeclarable<T> *D) {
Douglas Gregor2171bf12012-01-15 16:58:34 +00001465 DeclID FirstDeclID = ReadDeclID(Record, Idx);
Douglas Gregora1be2782011-12-17 23:38:30 +00001466
Douglas Gregor2171bf12012-01-15 16:58:34 +00001467 // 0 indicates that this declaration was the only declaration of its entity,
1468 // and is used for space optimization.
1469 if (FirstDeclID == 0)
Douglas Gregorf63b0a52011-12-19 18:19:24 +00001470 FirstDeclID = ThisDeclID;
Douglas Gregor2171bf12012-01-15 16:58:34 +00001471
1472 T *FirstDecl = cast_or_null<T>(Reader.GetDecl(FirstDeclID));
1473 if (FirstDecl != D) {
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +00001474 // We delay loading of the redeclaration chain to avoid deeply nested calls.
1475 // We temporarily set the first (canonical) declaration as the previous one
1476 // which is the one that matters and mark the real previous DeclID to be
1477 // loaded & attached later on.
Douglas Gregord488b3a2011-10-26 17:53:41 +00001478 D->RedeclLink = typename Redeclarable<T>::PreviousDeclLink(FirstDecl);
Douglas Gregor2171bf12012-01-15 16:58:34 +00001479 }
1480
1481 // Note that this declaration has been deserialized.
1482 Reader.RedeclsDeserialized.insert(static_cast<T *>(D));
1483
1484 // The result structure takes care to note that we need to load the
Douglas Gregor0f753232011-12-22 01:48:48 +00001485 // other declaration chains for this ID.
1486 return RedeclarableResult(Reader, FirstDeclID);
Argyrios Kyrtzidisa8650052010-08-03 17:30:10 +00001487}
1488
Douglas Gregordea22cc2012-01-03 17:27:13 +00001489/// \brief Attempts to merge the given declaration (D) with another declaration
1490/// of the same entity.
1491template<typename T>
1492void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *D,
1493 RedeclarableResult &Redecl) {
Douglas Gregor674949f2012-01-03 17:31:38 +00001494 // If modules are not available, there is no reason to perform this merge.
1495 if (!Reader.getContext().getLangOptions().Modules)
1496 return;
1497
Douglas Gregordea22cc2012-01-03 17:27:13 +00001498 if (FindExistingResult ExistingRes = findExisting(static_cast<T*>(D))) {
1499 if (T *Existing = ExistingRes) {
1500 T *ExistingCanon = Existing->getCanonicalDecl();
1501 T *DCanon = static_cast<T*>(D)->getCanonicalDecl();
1502 if (ExistingCanon != DCanon) {
1503 // Have our redeclaration link point back at the canonical declaration
1504 // of the existing declaration, so that this declaration has the
1505 // appropriate canonical declaration.
1506 D->RedeclLink
1507 = typename Redeclarable<T>::PreviousDeclLink(ExistingCanon);
1508
Douglas Gregorc6c8e0e2012-01-09 17:30:44 +00001509 // When we merge a namespace, update its pointer to the first namespace.
1510 if (NamespaceDecl *Namespace
1511 = dyn_cast<NamespaceDecl>(static_cast<T*>(D))) {
1512 Namespace->AnonOrFirstNamespaceAndInline.setPointer(
1513 static_cast<NamespaceDecl *>(static_cast<void*>(ExistingCanon)));
1514 }
1515
Douglas Gregordea22cc2012-01-03 17:27:13 +00001516 // Don't introduce DCanon into the set of pending declaration chains.
1517 Redecl.suppress();
1518
1519 // Introduce ExistingCanon into the set of pending declaration chains,
1520 // if in fact it came from a module file.
1521 if (ExistingCanon->isFromASTFile()) {
Douglas Gregorb6b60c12012-01-05 22:27:05 +00001522 GlobalDeclID ExistingCanonID = ExistingCanon->getGlobalID();
Douglas Gregordea22cc2012-01-03 17:27:13 +00001523 assert(ExistingCanonID && "Unrecorded canonical declaration ID?");
1524 if (Reader.PendingDeclChainsKnown.insert(ExistingCanonID))
1525 Reader.PendingDeclChains.push_back(ExistingCanonID);
1526 }
1527
1528 // If this declaration was the canonical declaration, make a note of
1529 // that. We accept the linear algorithm here because the number of
1530 // unique canonical declarations of an entity should always be tiny.
1531 if (DCanon == static_cast<T*>(D)) {
1532 SmallVectorImpl<DeclID> &Merged = Reader.MergedDecls[ExistingCanon];
1533 if (std::find(Merged.begin(), Merged.end(), Redecl.getFirstID())
1534 == Merged.end())
1535 Merged.push_back(Redecl.getFirstID());
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001536
1537 // If ExistingCanon did not come from a module file, introduce the
Douglas Gregor2171bf12012-01-15 16:58:34 +00001538 // first declaration that *does* come from a module file to the
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001539 // set of pending declaration chains, so that we merge this
1540 // declaration.
1541 if (!ExistingCanon->isFromASTFile() &&
1542 Reader.PendingDeclChainsKnown.insert(Redecl.getFirstID()))
1543 Reader.PendingDeclChains.push_back(Merged[0]);
Douglas Gregordea22cc2012-01-03 17:27:13 +00001544 }
1545 }
1546 }
1547 }
1548}
1549
Chris Lattner698f9252009-04-27 05:27:42 +00001550//===----------------------------------------------------------------------===//
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001551// Attribute Reading
Chris Lattner698f9252009-04-27 05:27:42 +00001552//===----------------------------------------------------------------------===//
1553
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001554/// \brief Reads attributes from the current stream position.
Douglas Gregor1a4761e2011-11-30 23:21:26 +00001555void ASTReader::ReadAttributes(ModuleFile &F, AttrVec &Attrs,
Argyrios Kyrtzidis4eb9fc02010-10-18 19:20:11 +00001556 const RecordData &Record, unsigned &Idx) {
1557 for (unsigned i = 0, e = Record[Idx++]; i != e; ++i) {
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001558 Attr *New = 0;
Sean Hunt387475d2010-06-16 23:43:53 +00001559 attr::Kind Kind = (attr::Kind)Record[Idx++];
Argyrios Kyrtzidis768d6ca2011-09-13 16:05:58 +00001560 SourceRange Range = ReadSourceRange(F, Record, Idx);
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001561
Sean Huntcf807c42010-08-18 23:23:40 +00001562#include "clang/Serialization/AttrPCHRead.inc"
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001563
1564 assert(New && "Unable to decode attribute?");
Sean Huntcf807c42010-08-18 23:23:40 +00001565 Attrs.push_back(New);
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001566 }
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001567}
1568
1569//===----------------------------------------------------------------------===//
Sebastian Redlc43b54c2010-08-18 23:56:43 +00001570// ASTReader Implementation
Chris Lattner4e3fcc82009-04-27 06:01:06 +00001571//===----------------------------------------------------------------------===//
Chris Lattner698f9252009-04-27 05:27:42 +00001572
1573/// \brief Note that we have loaded the declaration with the given
1574/// Index.
Mike Stump1eb44332009-09-09 15:08:12 +00001575///
Chris Lattner698f9252009-04-27 05:27:42 +00001576/// This routine notes that this declaration has already been loaded,
1577/// so that future GetDecl calls will return this declaration rather
1578/// than trying to load a new declaration.
Sebastian Redlc43b54c2010-08-18 23:56:43 +00001579inline void ASTReader::LoadedDecl(unsigned Index, Decl *D) {
Chris Lattner698f9252009-04-27 05:27:42 +00001580 assert(!DeclsLoaded[Index] && "Decl loaded twice?");
1581 DeclsLoaded[Index] = D;
1582}
1583
1584
1585/// \brief Determine whether the consumer will be interested in seeing
1586/// this declaration (via HandleTopLevelDecl).
1587///
1588/// This routine should return true for anything that might affect
1589/// code generation, e.g., inline function definitions, Objective-C
1590/// declarations with metadata, etc.
1591static bool isConsumerInterestedIn(Decl *D) {
Argyrios Kyrtzidis144b38a2011-09-13 21:35:00 +00001592 // An ObjCMethodDecl is never considered as "interesting" because its
1593 // implementation container always is.
1594
Douglas Gregor94da1582011-09-10 00:22:34 +00001595 if (isa<FileScopeAsmDecl>(D) ||
1596 isa<ObjCProtocolDecl>(D) ||
1597 isa<ObjCImplDecl>(D))
Daniel Dunbar04a0b502009-09-17 03:06:44 +00001598 return true;
Chris Lattner698f9252009-04-27 05:27:42 +00001599 if (VarDecl *Var = dyn_cast<VarDecl>(D))
Argyrios Kyrtzidis3f954772010-08-05 09:47:59 +00001600 return Var->isFileVarDecl() &&
1601 Var->isThisDeclarationADefinition() == VarDecl::Definition;
Chris Lattner698f9252009-04-27 05:27:42 +00001602 if (FunctionDecl *Func = dyn_cast<FunctionDecl>(D))
Sean Hunt10620eb2011-05-06 20:44:56 +00001603 return Func->doesThisDeclarationHaveABody();
Douglas Gregor94da1582011-09-10 00:22:34 +00001604
1605 return false;
Chris Lattner698f9252009-04-27 05:27:42 +00001606}
1607
Douglas Gregor96e973f2011-07-20 00:27:43 +00001608/// \brief Get the correct cursor and offset for loading a declaration.
Sebastian Redlc43b54c2010-08-18 23:56:43 +00001609ASTReader::RecordLocation
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +00001610ASTReader::DeclCursorForID(DeclID ID, unsigned &RawLocation) {
Sebastian Redl0b17c612010-08-13 00:28:03 +00001611 // See if there's an override.
1612 DeclReplacementMap::iterator It = ReplacedDecls.find(ID);
Argyrios Kyrtzidisef23b602011-10-31 07:20:15 +00001613 if (It != ReplacedDecls.end()) {
1614 RawLocation = It->second.RawLoc;
1615 return RecordLocation(It->second.Mod, It->second.Offset);
1616 }
Sebastian Redl0b17c612010-08-13 00:28:03 +00001617
Douglas Gregor96e973f2011-07-20 00:27:43 +00001618 GlobalDeclMapType::iterator I = GlobalDeclMap.find(ID);
1619 assert(I != GlobalDeclMap.end() && "Corrupted global declaration map");
Douglas Gregor1a4761e2011-11-30 23:21:26 +00001620 ModuleFile *M = I->second;
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +00001621 const DeclOffset &
1622 DOffs = M->DeclOffsets[ID - M->BaseDeclID - NUM_PREDEF_DECL_IDS];
1623 RawLocation = DOffs.Loc;
1624 return RecordLocation(M, DOffs.BitOffset);
Sebastian Redlcb526aa2010-07-20 22:46:15 +00001625}
1626
Douglas Gregor8f1231b2011-07-22 06:10:01 +00001627ASTReader::RecordLocation ASTReader::getLocalBitOffset(uint64_t GlobalOffset) {
Douglas Gregor1a4761e2011-11-30 23:21:26 +00001628 ContinuousRangeMap<uint64_t, ModuleFile*, 4>::iterator I
Douglas Gregor8f1231b2011-07-22 06:10:01 +00001629 = GlobalBitOffsetsMap.find(GlobalOffset);
1630
1631 assert(I != GlobalBitOffsetsMap.end() && "Corrupted global bit offsets map");
1632 return RecordLocation(I->second, GlobalOffset - I->second->GlobalBitOffset);
1633}
1634
Douglas Gregor1a4761e2011-11-30 23:21:26 +00001635uint64_t ASTReader::getGlobalBitOffset(ModuleFile &M, uint32_t LocalOffset) {
Douglas Gregore92b8a12011-08-04 00:01:48 +00001636 return LocalOffset + M.GlobalBitOffset;
1637}
1638
Douglas Gregor0f753232011-12-22 01:48:48 +00001639/// \brief Determine whether the two declarations refer to the same entity.
1640static bool isSameEntity(NamedDecl *X, NamedDecl *Y) {
1641 assert(X->getDeclName() == Y->getDeclName() && "Declaration name mismatch!");
1642
1643 if (X == Y)
1644 return true;
1645
Douglas Gregor0f753232011-12-22 01:48:48 +00001646 // Must be in the same context.
1647 if (!X->getDeclContext()->getRedeclContext()->Equals(
1648 Y->getDeclContext()->getRedeclContext()))
1649 return false;
Douglas Gregorda795b42012-01-04 16:44:10 +00001650
1651 // Two typedefs refer to the same entity if they have the same underlying
1652 // type.
1653 if (TypedefNameDecl *TypedefX = dyn_cast<TypedefNameDecl>(X))
1654 if (TypedefNameDecl *TypedefY = dyn_cast<TypedefNameDecl>(Y))
1655 return X->getASTContext().hasSameType(TypedefX->getUnderlyingType(),
1656 TypedefY->getUnderlyingType());
Douglas Gregor0f753232011-12-22 01:48:48 +00001657
Douglas Gregorda795b42012-01-04 16:44:10 +00001658 // Must have the same kind.
1659 if (X->getKind() != Y->getKind())
1660 return false;
1661
Douglas Gregordba93612012-01-01 21:47:52 +00001662 // Objective-C classes and protocols with the same name always match.
1663 if (isa<ObjCInterfaceDecl>(X) || isa<ObjCProtocolDecl>(X))
Douglas Gregor0f753232011-12-22 01:48:48 +00001664 return true;
1665
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001666 // Compatible tags match.
1667 if (TagDecl *TagX = dyn_cast<TagDecl>(X)) {
1668 TagDecl *TagY = cast<TagDecl>(Y);
Douglas Gregor70762812012-01-04 17:13:46 +00001669 return (TagX->getTagKind() == TagY->getTagKind()) ||
1670 ((TagX->getTagKind() == TTK_Struct || TagX->getTagKind() == TTK_Class) &&
1671 (TagY->getTagKind() == TTK_Struct || TagY->getTagKind() == TTK_Class));
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001672 }
Douglas Gregor70762812012-01-04 17:13:46 +00001673
1674 // Functions with the same type and linkage match.
Douglas Gregor4791fa22012-01-04 17:21:36 +00001675 // FIXME: This needs to cope with function templates, merging of
1676 //prototyped/non-prototyped functions, etc.
Douglas Gregor70762812012-01-04 17:13:46 +00001677 if (FunctionDecl *FuncX = dyn_cast<FunctionDecl>(X)) {
1678 FunctionDecl *FuncY = cast<FunctionDecl>(Y);
1679 return (FuncX->getLinkage() == FuncY->getLinkage()) &&
1680 FuncX->getASTContext().hasSameType(FuncX->getType(), FuncY->getType());
1681 }
1682
Douglas Gregor4791fa22012-01-04 17:21:36 +00001683 // Variables with the same type and linkage match.
1684 if (VarDecl *VarX = dyn_cast<VarDecl>(X)) {
1685 VarDecl *VarY = cast<VarDecl>(Y);
1686 return (VarX->getLinkage() == VarY->getLinkage()) &&
1687 VarX->getASTContext().hasSameType(VarX->getType(), VarY->getType());
1688 }
Douglas Gregor70762812012-01-04 17:13:46 +00001689
Douglas Gregorc6c8e0e2012-01-09 17:30:44 +00001690 // Namespaces with the same name and inlinedness match.
1691 if (NamespaceDecl *NamespaceX = dyn_cast<NamespaceDecl>(X)) {
1692 NamespaceDecl *NamespaceY = cast<NamespaceDecl>(Y);
1693 return NamespaceX->isInline() == NamespaceY->isInline();
1694 }
1695
Douglas Gregor0f753232011-12-22 01:48:48 +00001696 // FIXME: Many other cases to implement.
1697 return false;
1698}
1699
1700ASTDeclReader::FindExistingResult::~FindExistingResult() {
Douglas Gregor0fdc09f2012-01-09 17:38:47 +00001701 if (!AddResult || Existing)
Douglas Gregor0f753232011-12-22 01:48:48 +00001702 return;
1703
1704 DeclContext *DC = New->getDeclContext()->getRedeclContext();
1705 if (DC->isTranslationUnit() && Reader.SemaObj) {
Douglas Gregor0fdc09f2012-01-09 17:38:47 +00001706 Reader.SemaObj->IdResolver.tryAddTopLevelDecl(New, New->getDeclName());
1707 } else if (DC->isNamespace()) {
1708 DC->addDecl(New);
Douglas Gregor0f753232011-12-22 01:48:48 +00001709 }
1710}
1711
1712ASTDeclReader::FindExistingResult ASTDeclReader::findExisting(NamedDecl *D) {
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001713 DeclarationName Name = D->getDeclName();
1714 if (!Name) {
1715 // Don't bother trying to find unnamed declarations.
1716 FindExistingResult Result(Reader, D, /*Existing=*/0);
1717 Result.suppress();
1718 return Result;
1719 }
1720
Douglas Gregor0f753232011-12-22 01:48:48 +00001721 DeclContext *DC = D->getDeclContext()->getRedeclContext();
1722 if (!DC->isFileContext())
1723 return FindExistingResult(Reader);
1724
1725 if (DC->isTranslationUnit() && Reader.SemaObj) {
1726 IdentifierResolver &IdResolver = Reader.SemaObj->IdResolver;
Douglas Gregor1ca4a5c2012-01-03 22:46:00 +00001727 for (IdentifierResolver::iterator I = IdResolver.begin(Name),
Douglas Gregor0f753232011-12-22 01:48:48 +00001728 IEnd = IdResolver.end();
1729 I != IEnd; ++I) {
1730 if (isSameEntity(*I, D))
1731 return FindExistingResult(Reader, D, *I);
1732 }
1733 }
1734
Douglas Gregor0fdc09f2012-01-09 17:38:47 +00001735 if (DC->isNamespace()) {
1736 for (DeclContext::lookup_result R = DC->lookup(Name);
1737 R.first != R.second; ++R.first) {
1738 if (isSameEntity(*R.first, D))
1739 return FindExistingResult(Reader, D, *R.first);
1740 }
1741 }
Douglas Gregor0f753232011-12-22 01:48:48 +00001742
1743 return FindExistingResult(Reader, D, /*Existing=*/0);
1744}
1745
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +00001746void ASTDeclReader::attachPreviousDecl(Decl *D, Decl *previous) {
1747 assert(D && previous);
1748 if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
1749 TD->RedeclLink.setPointer(cast<TagDecl>(previous));
1750 } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
1751 FD->RedeclLink.setPointer(cast<FunctionDecl>(previous));
1752 } else if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
1753 VD->RedeclLink.setPointer(cast<VarDecl>(previous));
Douglas Gregora1be2782011-12-17 23:38:30 +00001754 } else if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) {
1755 TD->RedeclLink.setPointer(cast<TypedefNameDecl>(previous));
1756 } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
Douglas Gregor0af55012011-12-16 03:12:41 +00001757 ID->RedeclLink.setPointer(cast<ObjCInterfaceDecl>(previous));
Douglas Gregor1d784b22012-01-01 19:51:50 +00001758 } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) {
1759 PD->RedeclLink.setPointer(cast<ObjCProtocolDecl>(previous));
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +00001760 } else if (NamespaceDecl *ND = dyn_cast<NamespaceDecl>(D)) {
1761 ND->RedeclLink.setPointer(cast<NamespaceDecl>(previous));
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +00001762 } else {
1763 RedeclarableTemplateDecl *TD = cast<RedeclarableTemplateDecl>(D);
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001764 TD->RedeclLink.setPointer(cast<RedeclarableTemplateDecl>(previous));
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +00001765 }
1766}
1767
Douglas Gregora1be2782011-12-17 23:38:30 +00001768void ASTDeclReader::attachLatestDecl(Decl *D, Decl *Latest) {
1769 assert(D && Latest);
1770 if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
1771 TD->RedeclLink
1772 = Redeclarable<TagDecl>::LatestDeclLink(cast<TagDecl>(Latest));
1773 } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
1774 FD->RedeclLink
1775 = Redeclarable<FunctionDecl>::LatestDeclLink(cast<FunctionDecl>(Latest));
1776 } else if (VarDecl *VD = dyn_cast<VarDecl>(D)) {
1777 VD->RedeclLink
1778 = Redeclarable<VarDecl>::LatestDeclLink(cast<VarDecl>(Latest));
1779 } else if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) {
1780 TD->RedeclLink
1781 = Redeclarable<TypedefNameDecl>::LatestDeclLink(
1782 cast<TypedefNameDecl>(Latest));
1783 } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
1784 ID->RedeclLink
1785 = Redeclarable<ObjCInterfaceDecl>::LatestDeclLink(
1786 cast<ObjCInterfaceDecl>(Latest));
Douglas Gregor1d784b22012-01-01 19:51:50 +00001787 } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) {
1788 PD->RedeclLink
1789 = Redeclarable<ObjCProtocolDecl>::LatestDeclLink(
1790 cast<ObjCProtocolDecl>(Latest));
Douglas Gregorf5c9f9f2012-01-07 09:11:48 +00001791 } else if (NamespaceDecl *ND = dyn_cast<NamespaceDecl>(D)) {
1792 ND->RedeclLink
1793 = Redeclarable<NamespaceDecl>::LatestDeclLink(
1794 cast<NamespaceDecl>(Latest));
Douglas Gregora1be2782011-12-17 23:38:30 +00001795 } else {
1796 RedeclarableTemplateDecl *TD = cast<RedeclarableTemplateDecl>(D);
Douglas Gregor7c99bb5c2012-01-14 15:13:49 +00001797 TD->RedeclLink
1798 = Redeclarable<RedeclarableTemplateDecl>::LatestDeclLink(
1799 cast<RedeclarableTemplateDecl>(Latest));
Douglas Gregora1be2782011-12-17 23:38:30 +00001800 }
1801}
1802
Douglas Gregorc3cfd2a2011-12-22 21:40:42 +00001803ASTReader::MergedDeclsMap::iterator
1804ASTReader::combineStoredMergedDecls(Decl *Canon, GlobalDeclID CanonID) {
1805 // If we don't have any stored merged declarations, just look in the
1806 // merged declarations set.
1807 StoredMergedDeclsMap::iterator StoredPos = StoredMergedDecls.find(CanonID);
1808 if (StoredPos == StoredMergedDecls.end())
1809 return MergedDecls.find(Canon);
1810
1811 // Append the stored merged declarations to the merged declarations set.
1812 MergedDeclsMap::iterator Pos = MergedDecls.find(Canon);
1813 if (Pos == MergedDecls.end())
1814 Pos = MergedDecls.insert(std::make_pair(Canon,
1815 SmallVector<DeclID, 2>())).first;
1816 Pos->second.append(StoredPos->second.begin(), StoredPos->second.end());
1817 StoredMergedDecls.erase(StoredPos);
1818
1819 // Sort and uniquify the set of merged declarations.
1820 llvm::array_pod_sort(Pos->second.begin(), Pos->second.end());
1821 Pos->second.erase(std::unique(Pos->second.begin(), Pos->second.end()),
1822 Pos->second.end());
1823 return Pos;
1824}
1825
Argyrios Kyrtzidis0895d152011-02-12 07:50:47 +00001826void ASTReader::loadAndAttachPreviousDecl(Decl *D, serialization::DeclID ID) {
1827 Decl *previous = GetDecl(ID);
1828 ASTDeclReader::attachPreviousDecl(D, previous);
1829}
1830
Sebastian Redld527cc02010-08-18 23:56:48 +00001831/// \brief Read the declaration at the given offset from the AST file.
Douglas Gregor496c7092011-08-03 15:48:04 +00001832Decl *ASTReader::ReadDeclRecord(DeclID ID) {
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00001833 unsigned Index = ID - NUM_PREDEF_DECL_IDS;
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +00001834 unsigned RawLocation = 0;
1835 RecordLocation Loc = DeclCursorForID(ID, RawLocation);
Sebastian Redlc3632732010-10-05 15:59:54 +00001836 llvm::BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor;
Chris Lattner698f9252009-04-27 05:27:42 +00001837 // Keep track of where we are in the stream, then jump back there
1838 // after reading this declaration.
Chris Lattnerda930612009-04-27 05:58:23 +00001839 SavedStreamPosition SavedPosition(DeclsCursor);
Chris Lattner698f9252009-04-27 05:27:42 +00001840
Argyrios Kyrtzidis919e6932010-06-28 22:28:35 +00001841 ReadingKindTracker ReadingKind(Read_Decl, *this);
1842
Douglas Gregord89275b2009-07-06 18:54:52 +00001843 // Note that we are loading a declaration record.
Argyrios Kyrtzidis29ee3a22010-07-30 10:03:16 +00001844 Deserializing ADecl(this);
Mike Stump1eb44332009-09-09 15:08:12 +00001845
Sebastian Redlc3632732010-10-05 15:59:54 +00001846 DeclsCursor.JumpToBit(Loc.Offset);
Chris Lattner698f9252009-04-27 05:27:42 +00001847 RecordData Record;
Chris Lattnerda930612009-04-27 05:58:23 +00001848 unsigned Code = DeclsCursor.ReadCode();
Chris Lattner698f9252009-04-27 05:27:42 +00001849 unsigned Idx = 0;
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +00001850 ASTDeclReader Reader(*this, *Loc.F, DeclsCursor, ID, RawLocation, Record,Idx);
Chris Lattner698f9252009-04-27 05:27:42 +00001851
Chris Lattnerda930612009-04-27 05:58:23 +00001852 Decl *D = 0;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001853 switch ((DeclCode)DeclsCursor.ReadRecord(Code, Record)) {
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001854 case DECL_CONTEXT_LEXICAL:
1855 case DECL_CONTEXT_VISIBLE:
David Blaikieb219cfc2011-09-23 05:06:16 +00001856 llvm_unreachable("Record cannot be de-serialized with ReadDeclRecord");
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001857 case DECL_TYPEDEF:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001858 D = TypedefDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001859 break;
Richard Smith162e1c12011-04-15 14:24:37 +00001860 case DECL_TYPEALIAS:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001861 D = TypeAliasDecl::CreateDeserialized(Context, ID);
Richard Smith162e1c12011-04-15 14:24:37 +00001862 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001863 case DECL_ENUM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001864 D = EnumDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001865 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001866 case DECL_RECORD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001867 D = RecordDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001868 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001869 case DECL_ENUM_CONSTANT:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001870 D = EnumConstantDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001871 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001872 case DECL_FUNCTION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001873 D = FunctionDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001874 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001875 case DECL_LINKAGE_SPEC:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001876 D = LinkageSpecDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001877 break;
Chris Lattnerad8dcf42011-02-17 07:39:24 +00001878 case DECL_LABEL:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001879 D = LabelDecl::CreateDeserialized(Context, ID);
Chris Lattnerad8dcf42011-02-17 07:39:24 +00001880 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001881 case DECL_NAMESPACE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001882 D = NamespaceDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001883 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001884 case DECL_NAMESPACE_ALIAS:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001885 D = NamespaceAliasDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001886 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001887 case DECL_USING:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001888 D = UsingDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001889 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001890 case DECL_USING_SHADOW:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001891 D = UsingShadowDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001892 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001893 case DECL_USING_DIRECTIVE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001894 D = UsingDirectiveDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001895 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001896 case DECL_UNRESOLVED_USING_VALUE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001897 D = UnresolvedUsingValueDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001898 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001899 case DECL_UNRESOLVED_USING_TYPENAME:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001900 D = UnresolvedUsingTypenameDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001901 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001902 case DECL_CXX_RECORD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001903 D = CXXRecordDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001904 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001905 case DECL_CXX_METHOD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001906 D = CXXMethodDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001907 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001908 case DECL_CXX_CONSTRUCTOR:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001909 D = CXXConstructorDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001910 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001911 case DECL_CXX_DESTRUCTOR:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001912 D = CXXDestructorDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001913 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001914 case DECL_CXX_CONVERSION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001915 D = CXXConversionDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001916 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001917 case DECL_ACCESS_SPEC:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001918 D = AccessSpecDecl::CreateDeserialized(Context, ID);
Abramo Bagnara6206d532010-06-05 05:09:32 +00001919 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001920 case DECL_FRIEND:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001921 D = FriendDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001922 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001923 case DECL_FRIEND_TEMPLATE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001924 D = FriendTemplateDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001925 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001926 case DECL_CLASS_TEMPLATE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001927 D = ClassTemplateDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001928 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001929 case DECL_CLASS_TEMPLATE_SPECIALIZATION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001930 D = ClassTemplateSpecializationDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001931 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001932 case DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001933 D = ClassTemplatePartialSpecializationDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001934 break;
Francois Pichetaf0f4d02011-08-14 03:52:19 +00001935 case DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001936 D = ClassScopeFunctionSpecializationDecl::CreateDeserialized(Context, ID);
Francois Pichetaf0f4d02011-08-14 03:52:19 +00001937 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001938 case DECL_FUNCTION_TEMPLATE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001939 D = FunctionTemplateDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001940 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001941 case DECL_TEMPLATE_TYPE_PARM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001942 D = TemplateTypeParmDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001943 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001944 case DECL_NON_TYPE_TEMPLATE_PARM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001945 D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001946 break;
Douglas Gregor6952f1e2011-01-19 20:10:05 +00001947 case DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001948 D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID, Record[Idx++]);
Douglas Gregor6952f1e2011-01-19 20:10:05 +00001949 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001950 case DECL_TEMPLATE_TEMPLATE_PARM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001951 D = TemplateTemplateParmDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001952 break;
Richard Smith3e4c6c42011-05-05 21:57:07 +00001953 case DECL_TYPE_ALIAS_TEMPLATE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001954 D = TypeAliasTemplateDecl::CreateDeserialized(Context, ID);
Richard Smith3e4c6c42011-05-05 21:57:07 +00001955 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001956 case DECL_STATIC_ASSERT:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001957 D = StaticAssertDecl::CreateDeserialized(Context, ID);
Chris Lattner6ad9ac02010-05-07 21:43:38 +00001958 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001959 case DECL_OBJC_METHOD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001960 D = ObjCMethodDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001961 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001962 case DECL_OBJC_INTERFACE:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001963 D = ObjCInterfaceDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001964 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001965 case DECL_OBJC_IVAR:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001966 D = ObjCIvarDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001967 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001968 case DECL_OBJC_PROTOCOL:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001969 D = ObjCProtocolDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001970 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001971 case DECL_OBJC_AT_DEFS_FIELD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001972 D = ObjCAtDefsFieldDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001973 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001974 case DECL_OBJC_CATEGORY:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001975 D = ObjCCategoryDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001976 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001977 case DECL_OBJC_CATEGORY_IMPL:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001978 D = ObjCCategoryImplDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001979 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001980 case DECL_OBJC_IMPLEMENTATION:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001981 D = ObjCImplementationDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001982 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001983 case DECL_OBJC_COMPATIBLE_ALIAS:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001984 D = ObjCCompatibleAliasDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001985 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001986 case DECL_OBJC_PROPERTY:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001987 D = ObjCPropertyDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001988 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001989 case DECL_OBJC_PROPERTY_IMPL:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001990 D = ObjCPropertyImplDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001991 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001992 case DECL_FIELD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001993 D = FieldDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00001994 break;
Francois Pichet87c2e122010-11-21 06:08:52 +00001995 case DECL_INDIRECTFIELD:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001996 D = IndirectFieldDecl::CreateDeserialized(Context, ID);
Francois Pichet87c2e122010-11-21 06:08:52 +00001997 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00001998 case DECL_VAR:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00001999 D = VarDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00002000 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00002001 case DECL_IMPLICIT_PARAM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00002002 D = ImplicitParamDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00002003 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00002004 case DECL_PARM_VAR:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00002005 D = ParmVarDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00002006 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00002007 case DECL_FILE_SCOPE_ASM:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00002008 D = FileScopeAsmDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00002009 break;
Sebastian Redl8538e8d2010-08-18 23:57:32 +00002010 case DECL_BLOCK:
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00002011 D = BlockDecl::CreateDeserialized(Context, ID);
Chris Lattner698f9252009-04-27 05:27:42 +00002012 break;
Douglas Gregor7c789c12010-10-29 22:39:52 +00002013 case DECL_CXX_BASE_SPECIFIERS:
2014 Error("attempt to read a C++ base-specifier record as a declaration");
2015 return 0;
Douglas Gregor15de72c2011-12-02 23:23:56 +00002016 case DECL_IMPORT:
2017 // Note: last entry of the ImportDecl record is the number of stored source
2018 // locations.
Douglas Gregor1e68ecc2012-01-05 21:55:30 +00002019 D = ImportDecl::CreateDeserialized(Context, ID, Record.back());
Douglas Gregor15de72c2011-12-02 23:23:56 +00002020 break;
Chris Lattner698f9252009-04-27 05:27:42 +00002021 }
Chris Lattner698f9252009-04-27 05:27:42 +00002022
Sebastian Redld527cc02010-08-18 23:56:48 +00002023 assert(D && "Unknown declaration reading AST file");
Chris Lattner4e3fcc82009-04-27 06:01:06 +00002024 LoadedDecl(Index, D);
Argyrios Kyrtzidis53a8b972012-02-09 06:02:44 +00002025 // Set the DeclContext before doing any deserialization, to make sure internal
2026 // calls to Decl::getASTContext() by Decl's methods will find the
2027 // TranslationUnitDecl without crashing.
2028 D->setDeclContext(Context.getTranslationUnitDecl());
Chris Lattner4e3fcc82009-04-27 06:01:06 +00002029 Reader.Visit(D);
Chris Lattner698f9252009-04-27 05:27:42 +00002030
2031 // If this declaration is also a declaration context, get the
2032 // offsets for its tables of lexical and visible declarations.
2033 if (DeclContext *DC = dyn_cast<DeclContext>(D)) {
2034 std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC);
2035 if (Offsets.first || Offsets.second) {
Douglas Gregor0d95f772011-08-24 19:03:07 +00002036 if (Offsets.first != 0)
2037 DC->setHasExternalLexicalStorage(true);
2038 if (Offsets.second != 0)
2039 DC->setHasExternalVisibleStorage(true);
2040 if (ReadDeclContextStorage(*Loc.F, DeclsCursor, Offsets,
2041 Loc.F->DeclContextInfos[DC]))
Sebastian Redl681d7232010-07-27 00:17:23 +00002042 return 0;
Sebastian Redl024e1c42011-04-24 16:27:54 +00002043 }
Sebastian Redle1dde812010-08-24 00:50:04 +00002044
Sebastian Redl024e1c42011-04-24 16:27:54 +00002045 // Now add the pending visible updates for this decl context, if it has any.
2046 DeclContextVisibleUpdatesPending::iterator I =
2047 PendingVisibleUpdates.find(ID);
2048 if (I != PendingVisibleUpdates.end()) {
2049 // There are updates. This means the context has external visible
2050 // storage, even if the original stored version didn't.
2051 DC->setHasExternalVisibleStorage(true);
2052 DeclContextVisibleUpdates &U = I->second;
Sebastian Redl024e1c42011-04-24 16:27:54 +00002053 for (DeclContextVisibleUpdates::iterator UI = U.begin(), UE = U.end();
2054 UI != UE; ++UI) {
Douglas Gregor0d95f772011-08-24 19:03:07 +00002055 UI->second->DeclContextInfos[DC].NameLookupTableData = UI->first;
Sebastian Redle1dde812010-08-24 00:50:04 +00002056 }
Sebastian Redl024e1c42011-04-24 16:27:54 +00002057 PendingVisibleUpdates.erase(I);
Chris Lattner698f9252009-04-27 05:27:42 +00002058 }
2059 }
2060 assert(Idx == Record.size());
2061
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002062 // Load any relevant update records.
2063 loadDeclUpdateRecords(ID, D);
Argyrios Kyrtzidis5a174992011-11-14 07:07:59 +00002064
Douglas Gregorcff9f262012-01-27 01:47:08 +00002065 // Load the categories after recursive loading is finished.
2066 if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(D))
2067 if (Class->isThisDeclarationADefinition())
2068 loadObjCCategories(ID, Class);
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002069
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002070 // If we have deserialized a declaration that has a definition the
2071 // AST consumer might need to know about, queue it.
2072 // We don't pass it to the consumer immediately because we may be in recursive
2073 // loading, and some declarations may still be initializing.
Argyrios Kyrtzidis144b38a2011-09-13 21:35:00 +00002074 if (isConsumerInterestedIn(D))
Douglas Gregorcff9f262012-01-27 01:47:08 +00002075 InterestingDecls.push_back(D);
Douglas Gregor94da1582011-09-10 00:22:34 +00002076
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002077 return D;
2078}
2079
2080void ASTReader::loadDeclUpdateRecords(serialization::DeclID ID, Decl *D) {
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +00002081 // The declaration may have been modified by files later in the chain.
2082 // If this is the case, read the record containing the updates from each file
2083 // and pass it to ASTDeclReader to make the modifications.
2084 DeclUpdateOffsetsMap::iterator UpdI = DeclUpdateOffsets.find(ID);
2085 if (UpdI != DeclUpdateOffsets.end()) {
2086 FileOffsetsTy &UpdateOffsets = UpdI->second;
2087 for (FileOffsetsTy::iterator
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002088 I = UpdateOffsets.begin(), E = UpdateOffsets.end(); I != E; ++I) {
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002089 ModuleFile *F = I->first;
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +00002090 uint64_t Offset = I->second;
2091 llvm::BitstreamCursor &Cursor = F->DeclsCursor;
2092 SavedStreamPosition SavedPosition(Cursor);
2093 Cursor.JumpToBit(Offset);
2094 RecordData Record;
2095 unsigned Code = Cursor.ReadCode();
2096 unsigned RecCode = Cursor.ReadRecord(Code, Record);
2097 (void)RecCode;
2098 assert(RecCode == DECL_UPDATES && "Expected DECL_UPDATES record!");
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002099
2100 unsigned Idx = 0;
Argyrios Kyrtzidis9d31fa72011-10-27 18:47:35 +00002101 ASTDeclReader Reader(*this, *F, Cursor, ID, 0, Record, Idx);
Sebastian Redlf79a7192011-04-29 08:19:30 +00002102 Reader.UpdateDecl(D, *F, Record);
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +00002103 }
2104 }
Chris Lattner698f9252009-04-27 05:27:42 +00002105}
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +00002106
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002107namespace {
Douglas Gregora1be2782011-12-17 23:38:30 +00002108 struct CompareLocalRedeclarationsInfoToID {
2109 bool operator()(const LocalRedeclarationsInfo &X, DeclID Y) {
2110 return X.FirstID < Y;
2111 }
2112
2113 bool operator()(DeclID X, const LocalRedeclarationsInfo &Y) {
2114 return X < Y.FirstID;
2115 }
2116
2117 bool operator()(const LocalRedeclarationsInfo &X,
2118 const LocalRedeclarationsInfo &Y) {
2119 return X.FirstID < Y.FirstID;
2120 }
2121 bool operator()(DeclID X, DeclID Y) {
2122 return X < Y;
2123 }
2124 };
2125
Douglas Gregor0f753232011-12-22 01:48:48 +00002126 /// \brief Module visitor class that finds all of the redeclarations of a
2127 ///
Douglas Gregora1be2782011-12-17 23:38:30 +00002128 class RedeclChainVisitor {
2129 ASTReader &Reader;
Douglas Gregor0f753232011-12-22 01:48:48 +00002130 SmallVectorImpl<DeclID> &SearchDecls;
Douglas Gregor2171bf12012-01-15 16:58:34 +00002131 llvm::SmallPtrSet<Decl *, 16> &Deserialized;
Douglas Gregor0f753232011-12-22 01:48:48 +00002132 GlobalDeclID CanonID;
Douglas Gregor2171bf12012-01-15 16:58:34 +00002133 llvm::SmallVector<Decl *, 4> Chain;
Douglas Gregora1be2782011-12-17 23:38:30 +00002134
2135 public:
Douglas Gregor0f753232011-12-22 01:48:48 +00002136 RedeclChainVisitor(ASTReader &Reader, SmallVectorImpl<DeclID> &SearchDecls,
Douglas Gregor2171bf12012-01-15 16:58:34 +00002137 llvm::SmallPtrSet<Decl *, 16> &Deserialized,
Douglas Gregor0f753232011-12-22 01:48:48 +00002138 GlobalDeclID CanonID)
Douglas Gregor2171bf12012-01-15 16:58:34 +00002139 : Reader(Reader), SearchDecls(SearchDecls), Deserialized(Deserialized),
Douglas Gregor3efe9992012-01-17 18:13:45 +00002140 CanonID(CanonID) {
2141 for (unsigned I = 0, N = SearchDecls.size(); I != N; ++I)
2142 addToChain(Reader.GetDecl(SearchDecls[I]));
2143 }
Douglas Gregora1be2782011-12-17 23:38:30 +00002144
2145 static bool visit(ModuleFile &M, bool Preorder, void *UserData) {
2146 if (Preorder)
2147 return false;
2148
2149 return static_cast<RedeclChainVisitor *>(UserData)->visit(M);
2150 }
2151
Douglas Gregor2171bf12012-01-15 16:58:34 +00002152 void addToChain(Decl *D) {
2153 if (!D)
2154 return;
2155
2156 if (Deserialized.count(D)) {
2157 Deserialized.erase(D);
2158 Chain.push_back(D);
2159 }
2160 }
2161
Douglas Gregor0f753232011-12-22 01:48:48 +00002162 void searchForID(ModuleFile &M, GlobalDeclID GlobalID) {
Douglas Gregora1be2782011-12-17 23:38:30 +00002163 // Map global ID of the first declaration down to the local ID
2164 // used in this module file.
Douglas Gregor0f753232011-12-22 01:48:48 +00002165 DeclID ID = Reader.mapGlobalIDToModuleFileGlobalID(M, GlobalID);
2166 if (!ID)
2167 return;
Douglas Gregora1be2782011-12-17 23:38:30 +00002168
2169 // Perform a binary search to find the local redeclarations for this
2170 // declaration (if any).
2171 const LocalRedeclarationsInfo *Result
Douglas Gregor2171bf12012-01-15 16:58:34 +00002172 = std::lower_bound(M.RedeclarationsMap,
2173 M.RedeclarationsMap + M.LocalNumRedeclarationsInMap,
Douglas Gregor0f753232011-12-22 01:48:48 +00002174 ID, CompareLocalRedeclarationsInfoToID());
Douglas Gregor2171bf12012-01-15 16:58:34 +00002175 if (Result == M.RedeclarationsMap + M.LocalNumRedeclarationsInMap ||
Douglas Gregor0f753232011-12-22 01:48:48 +00002176 Result->FirstID != ID) {
2177 // If we have a previously-canonical singleton declaration that was
2178 // merged into another redeclaration chain, create a trivial chain
2179 // for this single declaration so that it will get wired into the
2180 // complete redeclaration chain.
2181 if (GlobalID != CanonID &&
2182 GlobalID - NUM_PREDEF_DECL_IDS >= M.BaseDeclID &&
2183 GlobalID - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls) {
Douglas Gregor2171bf12012-01-15 16:58:34 +00002184 addToChain(Reader.GetDecl(GlobalID));
Douglas Gregor0f753232011-12-22 01:48:48 +00002185 }
2186
2187 return;
2188 }
2189
Douglas Gregorcff9f262012-01-27 01:47:08 +00002190 // Dig out all of the redeclarations.
Douglas Gregor2171bf12012-01-15 16:58:34 +00002191 unsigned Offset = Result->Offset;
2192 unsigned N = M.RedeclarationChains[Offset];
2193 M.RedeclarationChains[Offset++] = 0; // Don't try to deserialize again
2194 for (unsigned I = 0; I != N; ++I)
2195 addToChain(Reader.GetLocalDecl(M, M.RedeclarationChains[Offset++]));
Douglas Gregor0f753232011-12-22 01:48:48 +00002196 }
2197
2198 bool visit(ModuleFile &M) {
2199 // Visit each of the declarations.
2200 for (unsigned I = 0, N = SearchDecls.size(); I != N; ++I)
2201 searchForID(M, SearchDecls[I]);
Douglas Gregora1be2782011-12-17 23:38:30 +00002202 return false;
2203 }
2204
Douglas Gregor2171bf12012-01-15 16:58:34 +00002205 ArrayRef<Decl *> getChain() const {
2206 return Chain;
Douglas Gregora1be2782011-12-17 23:38:30 +00002207 }
2208 };
2209}
2210
Douglas Gregora1be2782011-12-17 23:38:30 +00002211void ASTReader::loadPendingDeclChain(serialization::GlobalDeclID ID) {
Douglas Gregor0f753232011-12-22 01:48:48 +00002212 Decl *D = GetDecl(ID);
2213 Decl *CanonDecl = D->getCanonicalDecl();
Douglas Gregorc3cfd2a2011-12-22 21:40:42 +00002214
Douglas Gregor0f753232011-12-22 01:48:48 +00002215 // Determine the set of declaration IDs we'll be searching for.
2216 llvm::SmallVector<DeclID, 1> SearchDecls;
2217 GlobalDeclID CanonID = 0;
2218 if (D == CanonDecl) {
2219 SearchDecls.push_back(ID); // Always first.
2220 CanonID = ID;
2221 }
Douglas Gregorc3cfd2a2011-12-22 21:40:42 +00002222 MergedDeclsMap::iterator MergedPos = combineStoredMergedDecls(CanonDecl, ID);
Douglas Gregor0f753232011-12-22 01:48:48 +00002223 if (MergedPos != MergedDecls.end())
2224 SearchDecls.append(MergedPos->second.begin(), MergedPos->second.end());
2225
Douglas Gregor2171bf12012-01-15 16:58:34 +00002226 // Build up the list of redeclarations.
2227 RedeclChainVisitor Visitor(*this, SearchDecls, RedeclsDeserialized, CanonID);
Douglas Gregora1be2782011-12-17 23:38:30 +00002228 ModuleMgr.visitDepthFirst(&RedeclChainVisitor::visit, &Visitor);
2229
2230 // Retrieve the chains.
Douglas Gregor2171bf12012-01-15 16:58:34 +00002231 ArrayRef<Decl *> Chain = Visitor.getChain();
2232 if (Chain.empty())
Douglas Gregora1be2782011-12-17 23:38:30 +00002233 return;
Douglas Gregor0f753232011-12-22 01:48:48 +00002234
Douglas Gregor2171bf12012-01-15 16:58:34 +00002235 // Hook up the chains.
Douglas Gregorf785a7d2012-01-14 15:55:47 +00002236 Decl *MostRecent = CanonDecl->getMostRecentDecl();
Douglas Gregor2171bf12012-01-15 16:58:34 +00002237 for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
2238 if (Chain[I] == CanonDecl)
2239 continue;
Douglas Gregora1be2782011-12-17 23:38:30 +00002240
Douglas Gregor2171bf12012-01-15 16:58:34 +00002241 ASTDeclReader::attachPreviousDecl(Chain[I], MostRecent);
2242 MostRecent = Chain[I];
Douglas Gregora1be2782011-12-17 23:38:30 +00002243 }
Douglas Gregor2171bf12012-01-15 16:58:34 +00002244
2245 ASTDeclReader::attachLatestDecl(CanonDecl, MostRecent);
Douglas Gregora1be2782011-12-17 23:38:30 +00002246}
2247
2248namespace {
Douglas Gregorcff9f262012-01-27 01:47:08 +00002249 struct CompareObjCCategoriesInfo {
2250 bool operator()(const ObjCCategoriesInfo &X, DeclID Y) {
2251 return X.DefinitionID < Y;
2252 }
2253
2254 bool operator()(DeclID X, const ObjCCategoriesInfo &Y) {
2255 return X < Y.DefinitionID;
2256 }
2257
2258 bool operator()(const ObjCCategoriesInfo &X,
2259 const ObjCCategoriesInfo &Y) {
2260 return X.DefinitionID < Y.DefinitionID;
2261 }
2262 bool operator()(DeclID X, DeclID Y) {
2263 return X < Y;
2264 }
2265 };
2266
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002267 /// \brief Given an ObjC interface, goes through the modules and links to the
2268 /// interface all the categories for it.
Douglas Gregorcff9f262012-01-27 01:47:08 +00002269 class ObjCCategoriesVisitor {
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002270 ASTReader &Reader;
2271 serialization::GlobalDeclID InterfaceID;
2272 ObjCInterfaceDecl *Interface;
Douglas Gregorcff9f262012-01-27 01:47:08 +00002273 llvm::SmallPtrSet<ObjCCategoryDecl *, 16> &Deserialized;
2274 unsigned PreviousGeneration;
2275 ObjCCategoryDecl *Tail;
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002276 llvm::DenseMap<DeclarationName, ObjCCategoryDecl *> NameCategoryMap;
Douglas Gregorcff9f262012-01-27 01:47:08 +00002277
2278 void add(ObjCCategoryDecl *Cat) {
2279 // Only process each category once.
2280 if (!Deserialized.count(Cat))
2281 return;
2282 Deserialized.erase(Cat);
2283
2284 // Check for duplicate categories.
2285 if (Cat->getDeclName()) {
2286 ObjCCategoryDecl *&Existing = NameCategoryMap[Cat->getDeclName()];
2287 if (Existing &&
2288 Reader.getOwningModuleFile(Existing)
2289 != Reader.getOwningModuleFile(Cat)) {
2290 // FIXME: We should not warn for duplicates in diamond:
2291 //
2292 // MT //
2293 // / \ //
2294 // ML MR //
2295 // \ / //
2296 // MB //
2297 //
2298 // If there are duplicates in ML/MR, there will be warning when
2299 // creating MB *and* when importing MB. We should not warn when
2300 // importing.
2301 Reader.Diag(Cat->getLocation(), diag::warn_dup_category_def)
2302 << Interface->getDeclName() << Cat->getDeclName();
2303 Reader.Diag(Existing->getLocation(), diag::note_previous_definition);
2304 } else if (!Existing) {
2305 // Record this category.
2306 Existing = Cat;
2307 }
2308 }
2309
2310 // Add this category to the end of the chain.
2311 if (Tail)
2312 ASTDeclReader::setNextObjCCategory(Tail, Cat);
2313 else
2314 Interface->setCategoryList(Cat);
2315 Tail = Cat;
2316 }
2317
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002318 public:
Douglas Gregorcff9f262012-01-27 01:47:08 +00002319 ObjCCategoriesVisitor(ASTReader &Reader,
2320 serialization::GlobalDeclID InterfaceID,
2321 ObjCInterfaceDecl *Interface,
2322 llvm::SmallPtrSet<ObjCCategoryDecl *, 16> &Deserialized,
2323 unsigned PreviousGeneration)
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002324 : Reader(Reader), InterfaceID(InterfaceID), Interface(Interface),
Douglas Gregorcff9f262012-01-27 01:47:08 +00002325 Deserialized(Deserialized), PreviousGeneration(PreviousGeneration),
2326 Tail(0)
2327 {
2328 // Populate the name -> category map with the set of known categories.
2329 for (ObjCCategoryDecl *Cat = Interface->getCategoryList(); Cat;
2330 Cat = Cat->getNextClassCategory()) {
2331 if (Cat->getDeclName())
2332 NameCategoryMap[Cat->getDeclName()] = Cat;
2333
2334 // Keep track of the tail of the category list.
2335 Tail = Cat;
2336 }
2337 }
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002338
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002339 static bool visit(ModuleFile &M, void *UserData) {
Douglas Gregorcff9f262012-01-27 01:47:08 +00002340 return static_cast<ObjCCategoriesVisitor *>(UserData)->visit(M);
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002341 }
2342
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002343 bool visit(ModuleFile &M) {
Douglas Gregorcff9f262012-01-27 01:47:08 +00002344 // If we've loaded all of the category information we care about from
2345 // this module file, we're done.
2346 if (M.Generation <= PreviousGeneration)
2347 return true;
2348
2349 // Map global ID of the definition down to the local ID used in this
2350 // module file. If there is no such mapping, we'll find nothing here
2351 // (or in any module it imports).
2352 DeclID LocalID = Reader.mapGlobalIDToModuleFileGlobalID(M, InterfaceID);
2353 if (!LocalID)
2354 return true;
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002355
Douglas Gregorcff9f262012-01-27 01:47:08 +00002356 // Perform a binary search to find the local redeclarations for this
2357 // declaration (if any).
2358 const ObjCCategoriesInfo *Result
2359 = std::lower_bound(M.ObjCCategoriesMap,
2360 M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap,
2361 LocalID, CompareObjCCategoriesInfo());
2362 if (Result == M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap ||
2363 Result->DefinitionID != LocalID) {
2364 // We didn't find anything. If the class definition is in this module
2365 // file, then the module files it depends on cannot have any categories,
2366 // so suppress further lookup.
2367 return Reader.isDeclIDFromModule(InterfaceID, M);
2368 }
2369
2370 // We found something. Dig out all of the categories.
2371 unsigned Offset = Result->Offset;
2372 unsigned N = M.ObjCCategories[Offset];
2373 M.ObjCCategories[Offset++] = 0; // Don't try to deserialize again
2374 for (unsigned I = 0; I != N; ++I)
2375 add(cast_or_null<ObjCCategoryDecl>(
2376 Reader.GetLocalDecl(M, M.ObjCCategories[Offset++])));
2377 return true;
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002378 }
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002379 };
2380}
2381
Douglas Gregorcff9f262012-01-27 01:47:08 +00002382void ASTReader::loadObjCCategories(serialization::GlobalDeclID ID,
2383 ObjCInterfaceDecl *D,
2384 unsigned PreviousGeneration) {
2385 ObjCCategoriesVisitor Visitor(*this, ID, D, CategoriesDeserialized,
2386 PreviousGeneration);
2387 ModuleMgr.visit(ObjCCategoriesVisitor::visit, &Visitor);
Argyrios Kyrtzidise6b8d682011-09-01 00:58:55 +00002388}
Douglas Gregor6bf2b9f2011-08-12 00:15:20 +00002389
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002390void ASTDeclReader::UpdateDecl(Decl *D, ModuleFile &ModuleFile,
Sebastian Redlf79a7192011-04-29 08:19:30 +00002391 const RecordData &Record) {
Argyrios Kyrtzidis565bf302010-10-24 17:26:50 +00002392 unsigned Idx = 0;
2393 while (Idx < Record.size()) {
2394 switch ((DeclUpdateKind)Record[Idx++]) {
Argyrios Kyrtzidisb6cc0e12010-10-24 17:26:54 +00002395 case UPD_CXX_ADDED_IMPLICIT_MEMBER:
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002396 cast<CXXRecordDecl>(D)->addedMember(Reader.ReadDecl(ModuleFile, Record, Idx));
Argyrios Kyrtzidisb6cc0e12010-10-24 17:26:54 +00002397 break;
Argyrios Kyrtzidisbef1a7b2010-10-28 07:38:42 +00002398
2399 case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION:
2400 // It will be added to the template's specializations set when loaded.
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002401 (void)Reader.ReadDecl(ModuleFile, Record, Idx);
Sebastian Redl7c0837f2011-04-24 16:28:13 +00002402 break;
2403
2404 case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE: {
Douglas Gregor496c7092011-08-03 15:48:04 +00002405 NamespaceDecl *Anon
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002406 = Reader.ReadDeclAs<NamespaceDecl>(ModuleFile, Record, Idx);
Douglas Gregor1c3875d2012-01-09 18:07:24 +00002407
2408 // Each module has its own anonymous namespace, which is disjoint from
2409 // any other module's anonymous namespaces, so don't attach the anonymous
2410 // namespace at all.
2411 if (ModuleFile.Kind != MK_Module) {
2412 if (TranslationUnitDecl *TU = dyn_cast<TranslationUnitDecl>(D))
2413 TU->setAnonymousNamespace(Anon);
2414 else
2415 cast<NamespaceDecl>(D)->setAnonymousNamespace(Anon);
2416 }
Sebastian Redl7c0837f2011-04-24 16:28:13 +00002417 break;
2418 }
Sebastian Redlf79a7192011-04-29 08:19:30 +00002419
2420 case UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER:
2421 cast<VarDecl>(D)->getMemberSpecializationInfo()->setPointOfInstantiation(
Douglas Gregor1a4761e2011-11-30 23:21:26 +00002422 Reader.ReadSourceLocation(ModuleFile, Record, Idx));
Sebastian Redlf79a7192011-04-29 08:19:30 +00002423 break;
Argyrios Kyrtzidis565bf302010-10-24 17:26:50 +00002424 }
2425 }
Argyrios Kyrtzidis7b903402010-10-24 17:26:36 +00002426}