1 //===--- ASTWriterStmt.cpp - Statement and Expression Serialization -------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file 11 /// \brief Implements serialization for Statements and Expressions. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "clang/Serialization/ASTWriter.h" 16 #include "clang/AST/ASTContext.h" 17 #include "clang/AST/DeclCXX.h" 18 #include "clang/AST/DeclObjC.h" 19 #include "clang/AST/DeclTemplate.h" 20 #include "clang/AST/StmtVisitor.h" 21 #include "clang/Lex/Token.h" 22 #include "llvm/Bitcode/BitstreamWriter.h" 23 using namespace clang; 24 25 //===----------------------------------------------------------------------===// 26 // Statement/expression serialization 27 //===----------------------------------------------------------------------===// 28 29 namespace clang { 30 31 class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> { 32 friend class OMPClauseWriter; 33 ASTWriter &Writer; 34 ASTWriter::RecordData &Record; 35 36 public: 37 serialization::StmtCode Code; 38 unsigned AbbrevToUse; 39 40 ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record) 41 : Writer(Writer), Record(Record) { } 42 43 void AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args); 44 45 void VisitStmt(Stmt *S); 46 #define STMT(Type, Base) \ 47 void Visit##Type(Type *); 48 #include "clang/AST/StmtNodes.inc" 49 }; 50 } 51 52 void ASTStmtWriter:: 53 AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args) { 54 Writer.AddSourceLocation(Args.getTemplateKeywordLoc(), Record); 55 Writer.AddSourceLocation(Args.LAngleLoc, Record); 56 Writer.AddSourceLocation(Args.RAngleLoc, Record); 57 for (unsigned i=0; i != Args.NumTemplateArgs; ++i) 58 Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record); 59 } 60 61 void ASTStmtWriter::VisitStmt(Stmt *S) { 62 } 63 64 void ASTStmtWriter::VisitNullStmt(NullStmt *S) { 65 VisitStmt(S); 66 Writer.AddSourceLocation(S->getSemiLoc(), Record); 67 Record.push_back(S->HasLeadingEmptyMacro); 68 Code = serialization::STMT_NULL; 69 } 70 71 void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) { 72 VisitStmt(S); 73 Record.push_back(S->size()); 74 for (auto *CS : S->body()) 75 Writer.AddStmt(CS); 76 Writer.AddSourceLocation(S->getLBracLoc(), Record); 77 Writer.AddSourceLocation(S->getRBracLoc(), Record); 78 Code = serialization::STMT_COMPOUND; 79 } 80 81 void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) { 82 VisitStmt(S); 83 Record.push_back(Writer.getSwitchCaseID(S)); 84 Writer.AddSourceLocation(S->getKeywordLoc(), Record); 85 Writer.AddSourceLocation(S->getColonLoc(), Record); 86 } 87 88 void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) { 89 VisitSwitchCase(S); 90 Writer.AddStmt(S->getLHS()); 91 Writer.AddStmt(S->getRHS()); 92 Writer.AddStmt(S->getSubStmt()); 93 Writer.AddSourceLocation(S->getEllipsisLoc(), Record); 94 Code = serialization::STMT_CASE; 95 } 96 97 void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) { 98 VisitSwitchCase(S); 99 Writer.AddStmt(S->getSubStmt()); 100 Code = serialization::STMT_DEFAULT; 101 } 102 103 void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) { 104 VisitStmt(S); 105 Writer.AddDeclRef(S->getDecl(), Record); 106 Writer.AddStmt(S->getSubStmt()); 107 Writer.AddSourceLocation(S->getIdentLoc(), Record); 108 Code = serialization::STMT_LABEL; 109 } 110 111 void ASTStmtWriter::VisitAttributedStmt(AttributedStmt *S) { 112 VisitStmt(S); 113 Record.push_back(S->getAttrs().size()); 114 Writer.WriteAttributes(S->getAttrs(), Record); 115 Writer.AddStmt(S->getSubStmt()); 116 Writer.AddSourceLocation(S->getAttrLoc(), Record); 117 Code = serialization::STMT_ATTRIBUTED; 118 } 119 120 void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 121 VisitStmt(S); 122 Writer.AddDeclRef(S->getConditionVariable(), Record); 123 Writer.AddStmt(S->getCond()); 124 Writer.AddStmt(S->getThen()); 125 Writer.AddStmt(S->getElse()); 126 Writer.AddSourceLocation(S->getIfLoc(), Record); 127 Writer.AddSourceLocation(S->getElseLoc(), Record); 128 Code = serialization::STMT_IF; 129 } 130 131 void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 132 VisitStmt(S); 133 Writer.AddDeclRef(S->getConditionVariable(), Record); 134 Writer.AddStmt(S->getCond()); 135 Writer.AddStmt(S->getBody()); 136 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 137 Record.push_back(S->isAllEnumCasesCovered()); 138 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 139 SC = SC->getNextSwitchCase()) 140 Record.push_back(Writer.RecordSwitchCaseID(SC)); 141 Code = serialization::STMT_SWITCH; 142 } 143 144 void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 145 VisitStmt(S); 146 Writer.AddDeclRef(S->getConditionVariable(), Record); 147 Writer.AddStmt(S->getCond()); 148 Writer.AddStmt(S->getBody()); 149 Writer.AddSourceLocation(S->getWhileLoc(), Record); 150 Code = serialization::STMT_WHILE; 151 } 152 153 void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 154 VisitStmt(S); 155 Writer.AddStmt(S->getCond()); 156 Writer.AddStmt(S->getBody()); 157 Writer.AddSourceLocation(S->getDoLoc(), Record); 158 Writer.AddSourceLocation(S->getWhileLoc(), Record); 159 Writer.AddSourceLocation(S->getRParenLoc(), Record); 160 Code = serialization::STMT_DO; 161 } 162 163 void ASTStmtWriter::VisitForStmt(ForStmt *S) { 164 VisitStmt(S); 165 Writer.AddStmt(S->getInit()); 166 Writer.AddStmt(S->getCond()); 167 Writer.AddDeclRef(S->getConditionVariable(), Record); 168 Writer.AddStmt(S->getInc()); 169 Writer.AddStmt(S->getBody()); 170 Writer.AddSourceLocation(S->getForLoc(), Record); 171 Writer.AddSourceLocation(S->getLParenLoc(), Record); 172 Writer.AddSourceLocation(S->getRParenLoc(), Record); 173 Code = serialization::STMT_FOR; 174 } 175 176 void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 177 VisitStmt(S); 178 Writer.AddDeclRef(S->getLabel(), Record); 179 Writer.AddSourceLocation(S->getGotoLoc(), Record); 180 Writer.AddSourceLocation(S->getLabelLoc(), Record); 181 Code = serialization::STMT_GOTO; 182 } 183 184 void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 185 VisitStmt(S); 186 Writer.AddSourceLocation(S->getGotoLoc(), Record); 187 Writer.AddSourceLocation(S->getStarLoc(), Record); 188 Writer.AddStmt(S->getTarget()); 189 Code = serialization::STMT_INDIRECT_GOTO; 190 } 191 192 void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 193 VisitStmt(S); 194 Writer.AddSourceLocation(S->getContinueLoc(), Record); 195 Code = serialization::STMT_CONTINUE; 196 } 197 198 void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 199 VisitStmt(S); 200 Writer.AddSourceLocation(S->getBreakLoc(), Record); 201 Code = serialization::STMT_BREAK; 202 } 203 204 void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 205 VisitStmt(S); 206 Writer.AddStmt(S->getRetValue()); 207 Writer.AddSourceLocation(S->getReturnLoc(), Record); 208 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 209 Code = serialization::STMT_RETURN; 210 } 211 212 void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 213 VisitStmt(S); 214 Writer.AddSourceLocation(S->getStartLoc(), Record); 215 Writer.AddSourceLocation(S->getEndLoc(), Record); 216 DeclGroupRef DG = S->getDeclGroup(); 217 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 218 Writer.AddDeclRef(*D, Record); 219 Code = serialization::STMT_DECL; 220 } 221 222 void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 223 VisitStmt(S); 224 Record.push_back(S->getNumOutputs()); 225 Record.push_back(S->getNumInputs()); 226 Record.push_back(S->getNumClobbers()); 227 Writer.AddSourceLocation(S->getAsmLoc(), Record); 228 Record.push_back(S->isVolatile()); 229 Record.push_back(S->isSimple()); 230 } 231 232 void ASTStmtWriter::VisitGCCAsmStmt(GCCAsmStmt *S) { 233 VisitAsmStmt(S); 234 Writer.AddSourceLocation(S->getRParenLoc(), Record); 235 Writer.AddStmt(S->getAsmString()); 236 237 // Outputs 238 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 239 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 240 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 241 Writer.AddStmt(S->getOutputExpr(I)); 242 } 243 244 // Inputs 245 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 246 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 247 Writer.AddStmt(S->getInputConstraintLiteral(I)); 248 Writer.AddStmt(S->getInputExpr(I)); 249 } 250 251 // Clobbers 252 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 253 Writer.AddStmt(S->getClobberStringLiteral(I)); 254 255 Code = serialization::STMT_GCCASM; 256 } 257 258 void ASTStmtWriter::VisitMSAsmStmt(MSAsmStmt *S) { 259 VisitAsmStmt(S); 260 Writer.AddSourceLocation(S->getLBraceLoc(), Record); 261 Writer.AddSourceLocation(S->getEndLoc(), Record); 262 Record.push_back(S->getNumAsmToks()); 263 Writer.AddString(S->getAsmString(), Record); 264 265 // Tokens 266 for (unsigned I = 0, N = S->getNumAsmToks(); I != N; ++I) { 267 Writer.AddToken(S->getAsmToks()[I], Record); 268 } 269 270 // Clobbers 271 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) { 272 Writer.AddString(S->getClobber(I), Record); 273 } 274 275 // Outputs 276 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 277 Writer.AddStmt(S->getOutputExpr(I)); 278 Writer.AddString(S->getOutputConstraint(I), Record); 279 } 280 281 // Inputs 282 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 283 Writer.AddStmt(S->getInputExpr(I)); 284 Writer.AddString(S->getInputConstraint(I), Record); 285 } 286 287 Code = serialization::STMT_MSASM; 288 } 289 290 void ASTStmtWriter::VisitCapturedStmt(CapturedStmt *S) { 291 VisitStmt(S); 292 // NumCaptures 293 Record.push_back(std::distance(S->capture_begin(), S->capture_end())); 294 295 // CapturedDecl and captured region kind 296 Writer.AddDeclRef(S->getCapturedDecl(), Record); 297 Record.push_back(S->getCapturedRegionKind()); 298 299 Writer.AddDeclRef(S->getCapturedRecordDecl(), Record); 300 301 // Capture inits 302 for (auto *I : S->capture_inits()) 303 Writer.AddStmt(I); 304 305 // Body 306 Writer.AddStmt(S->getCapturedStmt()); 307 308 // Captures 309 for (const auto &I : S->captures()) { 310 if (I.capturesThis()) 311 Writer.AddDeclRef(nullptr, Record); 312 else 313 Writer.AddDeclRef(I.getCapturedVar(), Record); 314 Record.push_back(I.getCaptureKind()); 315 Writer.AddSourceLocation(I.getLocation(), Record); 316 } 317 318 Code = serialization::STMT_CAPTURED; 319 } 320 321 void ASTStmtWriter::VisitExpr(Expr *E) { 322 VisitStmt(E); 323 Writer.AddTypeRef(E->getType(), Record); 324 Record.push_back(E->isTypeDependent()); 325 Record.push_back(E->isValueDependent()); 326 Record.push_back(E->isInstantiationDependent()); 327 Record.push_back(E->containsUnexpandedParameterPack()); 328 Record.push_back(E->getValueKind()); 329 Record.push_back(E->getObjectKind()); 330 } 331 332 void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 333 VisitExpr(E); 334 Writer.AddSourceLocation(E->getLocation(), Record); 335 Record.push_back(E->getIdentType()); // FIXME: stable encoding 336 Code = serialization::EXPR_PREDEFINED; 337 } 338 339 void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 340 VisitExpr(E); 341 342 Record.push_back(E->hasQualifier()); 343 Record.push_back(E->getDecl() != E->getFoundDecl()); 344 Record.push_back(E->hasTemplateKWAndArgsInfo()); 345 Record.push_back(E->hadMultipleCandidates()); 346 Record.push_back(E->refersToEnclosingLocal()); 347 348 if (E->hasTemplateKWAndArgsInfo()) { 349 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 350 Record.push_back(NumTemplateArgs); 351 } 352 353 DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind()); 354 355 if ((!E->hasTemplateKWAndArgsInfo()) && (!E->hasQualifier()) && 356 (E->getDecl() == E->getFoundDecl()) && 357 nk == DeclarationName::Identifier) { 358 AbbrevToUse = Writer.getDeclRefExprAbbrev(); 359 } 360 361 if (E->hasQualifier()) 362 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 363 364 if (E->getDecl() != E->getFoundDecl()) 365 Writer.AddDeclRef(E->getFoundDecl(), Record); 366 367 if (E->hasTemplateKWAndArgsInfo()) 368 AddTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo()); 369 370 Writer.AddDeclRef(E->getDecl(), Record); 371 Writer.AddSourceLocation(E->getLocation(), Record); 372 Writer.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record); 373 Code = serialization::EXPR_DECL_REF; 374 } 375 376 void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 377 VisitExpr(E); 378 Writer.AddSourceLocation(E->getLocation(), Record); 379 Writer.AddAPInt(E->getValue(), Record); 380 381 if (E->getValue().getBitWidth() == 32) { 382 AbbrevToUse = Writer.getIntegerLiteralAbbrev(); 383 } 384 385 Code = serialization::EXPR_INTEGER_LITERAL; 386 } 387 388 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 389 VisitExpr(E); 390 Record.push_back(E->getRawSemantics()); 391 Record.push_back(E->isExact()); 392 Writer.AddAPFloat(E->getValue(), Record); 393 Writer.AddSourceLocation(E->getLocation(), Record); 394 Code = serialization::EXPR_FLOATING_LITERAL; 395 } 396 397 void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 398 VisitExpr(E); 399 Writer.AddStmt(E->getSubExpr()); 400 Code = serialization::EXPR_IMAGINARY_LITERAL; 401 } 402 403 void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 404 VisitExpr(E); 405 Record.push_back(E->getByteLength()); 406 Record.push_back(E->getNumConcatenated()); 407 Record.push_back(E->getKind()); 408 Record.push_back(E->isPascal()); 409 // FIXME: String data should be stored as a blob at the end of the 410 // StringLiteral. However, we can't do so now because we have no 411 // provision for coping with abbreviations when we're jumping around 412 // the AST file during deserialization. 413 Record.append(E->getBytes().begin(), E->getBytes().end()); 414 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 415 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 416 Code = serialization::EXPR_STRING_LITERAL; 417 } 418 419 void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 420 VisitExpr(E); 421 Record.push_back(E->getValue()); 422 Writer.AddSourceLocation(E->getLocation(), Record); 423 Record.push_back(E->getKind()); 424 425 AbbrevToUse = Writer.getCharacterLiteralAbbrev(); 426 427 Code = serialization::EXPR_CHARACTER_LITERAL; 428 } 429 430 void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 431 VisitExpr(E); 432 Writer.AddSourceLocation(E->getLParen(), Record); 433 Writer.AddSourceLocation(E->getRParen(), Record); 434 Writer.AddStmt(E->getSubExpr()); 435 Code = serialization::EXPR_PAREN; 436 } 437 438 void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 439 VisitExpr(E); 440 Record.push_back(E->NumExprs); 441 for (unsigned i=0; i != E->NumExprs; ++i) 442 Writer.AddStmt(E->Exprs[i]); 443 Writer.AddSourceLocation(E->LParenLoc, Record); 444 Writer.AddSourceLocation(E->RParenLoc, Record); 445 Code = serialization::EXPR_PAREN_LIST; 446 } 447 448 void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 449 VisitExpr(E); 450 Writer.AddStmt(E->getSubExpr()); 451 Record.push_back(E->getOpcode()); // FIXME: stable encoding 452 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 453 Code = serialization::EXPR_UNARY_OPERATOR; 454 } 455 456 void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 457 VisitExpr(E); 458 Record.push_back(E->getNumComponents()); 459 Record.push_back(E->getNumExpressions()); 460 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 461 Writer.AddSourceLocation(E->getRParenLoc(), Record); 462 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 463 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 464 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 465 Record.push_back(ON.getKind()); // FIXME: Stable encoding 466 Writer.AddSourceLocation(ON.getSourceRange().getBegin(), Record); 467 Writer.AddSourceLocation(ON.getSourceRange().getEnd(), Record); 468 switch (ON.getKind()) { 469 case OffsetOfExpr::OffsetOfNode::Array: 470 Record.push_back(ON.getArrayExprIndex()); 471 break; 472 473 case OffsetOfExpr::OffsetOfNode::Field: 474 Writer.AddDeclRef(ON.getField(), Record); 475 break; 476 477 case OffsetOfExpr::OffsetOfNode::Identifier: 478 Writer.AddIdentifierRef(ON.getFieldName(), Record); 479 break; 480 481 case OffsetOfExpr::OffsetOfNode::Base: 482 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 483 break; 484 } 485 } 486 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 487 Writer.AddStmt(E->getIndexExpr(I)); 488 Code = serialization::EXPR_OFFSETOF; 489 } 490 491 void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) { 492 VisitExpr(E); 493 Record.push_back(E->getKind()); 494 if (E->isArgumentType()) 495 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 496 else { 497 Record.push_back(0); 498 Writer.AddStmt(E->getArgumentExpr()); 499 } 500 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 501 Writer.AddSourceLocation(E->getRParenLoc(), Record); 502 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 503 } 504 505 void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 506 VisitExpr(E); 507 Writer.AddStmt(E->getLHS()); 508 Writer.AddStmt(E->getRHS()); 509 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 510 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 511 } 512 513 void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 514 VisitExpr(E); 515 Record.push_back(E->getNumArgs()); 516 Writer.AddSourceLocation(E->getRParenLoc(), Record); 517 Writer.AddStmt(E->getCallee()); 518 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 519 Arg != ArgEnd; ++Arg) 520 Writer.AddStmt(*Arg); 521 Code = serialization::EXPR_CALL; 522 } 523 524 void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 525 // Don't call VisitExpr, we'll write everything here. 526 527 Record.push_back(E->hasQualifier()); 528 if (E->hasQualifier()) 529 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 530 531 Record.push_back(E->HasTemplateKWAndArgsInfo); 532 if (E->HasTemplateKWAndArgsInfo) { 533 Writer.AddSourceLocation(E->getTemplateKeywordLoc(), Record); 534 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 535 Record.push_back(NumTemplateArgs); 536 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 537 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 538 for (unsigned i=0; i != NumTemplateArgs; ++i) 539 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 540 } 541 542 Record.push_back(E->hadMultipleCandidates()); 543 544 DeclAccessPair FoundDecl = E->getFoundDecl(); 545 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 546 Record.push_back(FoundDecl.getAccess()); 547 548 Writer.AddTypeRef(E->getType(), Record); 549 Record.push_back(E->getValueKind()); 550 Record.push_back(E->getObjectKind()); 551 Writer.AddStmt(E->getBase()); 552 Writer.AddDeclRef(E->getMemberDecl(), Record); 553 Writer.AddSourceLocation(E->getMemberLoc(), Record); 554 Record.push_back(E->isArrow()); 555 Writer.AddDeclarationNameLoc(E->MemberDNLoc, 556 E->getMemberDecl()->getDeclName(), Record); 557 Code = serialization::EXPR_MEMBER; 558 } 559 560 void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 561 VisitExpr(E); 562 Writer.AddStmt(E->getBase()); 563 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 564 Writer.AddSourceLocation(E->getOpLoc(), Record); 565 Record.push_back(E->isArrow()); 566 Code = serialization::EXPR_OBJC_ISA; 567 } 568 569 void ASTStmtWriter:: 570 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) { 571 VisitExpr(E); 572 Writer.AddStmt(E->getSubExpr()); 573 Record.push_back(E->shouldCopy()); 574 Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE; 575 } 576 577 void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) { 578 VisitExplicitCastExpr(E); 579 Writer.AddSourceLocation(E->getLParenLoc(), Record); 580 Writer.AddSourceLocation(E->getBridgeKeywordLoc(), Record); 581 Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding 582 Code = serialization::EXPR_OBJC_BRIDGED_CAST; 583 } 584 585 void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 586 VisitExpr(E); 587 Record.push_back(E->path_size()); 588 Writer.AddStmt(E->getSubExpr()); 589 Record.push_back(E->getCastKind()); // FIXME: stable encoding 590 591 for (CastExpr::path_iterator 592 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 593 Writer.AddCXXBaseSpecifier(**PI, Record); 594 } 595 596 void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 597 VisitExpr(E); 598 Writer.AddStmt(E->getLHS()); 599 Writer.AddStmt(E->getRHS()); 600 Record.push_back(E->getOpcode()); // FIXME: stable encoding 601 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 602 Record.push_back(E->isFPContractable()); 603 Code = serialization::EXPR_BINARY_OPERATOR; 604 } 605 606 void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 607 VisitBinaryOperator(E); 608 Writer.AddTypeRef(E->getComputationLHSType(), Record); 609 Writer.AddTypeRef(E->getComputationResultType(), Record); 610 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 611 } 612 613 void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 614 VisitExpr(E); 615 Writer.AddStmt(E->getCond()); 616 Writer.AddStmt(E->getLHS()); 617 Writer.AddStmt(E->getRHS()); 618 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 619 Writer.AddSourceLocation(E->getColonLoc(), Record); 620 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 621 } 622 623 void 624 ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) { 625 VisitExpr(E); 626 Writer.AddStmt(E->getOpaqueValue()); 627 Writer.AddStmt(E->getCommon()); 628 Writer.AddStmt(E->getCond()); 629 Writer.AddStmt(E->getTrueExpr()); 630 Writer.AddStmt(E->getFalseExpr()); 631 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 632 Writer.AddSourceLocation(E->getColonLoc(), Record); 633 Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR; 634 } 635 636 void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 637 VisitCastExpr(E); 638 Code = serialization::EXPR_IMPLICIT_CAST; 639 } 640 641 void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 642 VisitCastExpr(E); 643 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 644 } 645 646 void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 647 VisitExplicitCastExpr(E); 648 Writer.AddSourceLocation(E->getLParenLoc(), Record); 649 Writer.AddSourceLocation(E->getRParenLoc(), Record); 650 Code = serialization::EXPR_CSTYLE_CAST; 651 } 652 653 void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 654 VisitExpr(E); 655 Writer.AddSourceLocation(E->getLParenLoc(), Record); 656 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 657 Writer.AddStmt(E->getInitializer()); 658 Record.push_back(E->isFileScope()); 659 Code = serialization::EXPR_COMPOUND_LITERAL; 660 } 661 662 void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 663 VisitExpr(E); 664 Writer.AddStmt(E->getBase()); 665 Writer.AddIdentifierRef(&E->getAccessor(), Record); 666 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 667 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 668 } 669 670 void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 671 VisitExpr(E); 672 // NOTE: only add the (possibly null) syntactic form. 673 // No need to serialize the isSemanticForm flag and the semantic form. 674 Writer.AddStmt(E->getSyntacticForm()); 675 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 676 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 677 bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>(); 678 Record.push_back(isArrayFiller); 679 if (isArrayFiller) 680 Writer.AddStmt(E->getArrayFiller()); 681 else 682 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 683 Record.push_back(E->hadArrayRangeDesignator()); 684 Record.push_back(E->getNumInits()); 685 if (isArrayFiller) { 686 // ArrayFiller may have filled "holes" due to designated initializer. 687 // Replace them by 0 to indicate that the filler goes in that place. 688 Expr *filler = E->getArrayFiller(); 689 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 690 Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : nullptr); 691 } else { 692 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 693 Writer.AddStmt(E->getInit(I)); 694 } 695 Code = serialization::EXPR_INIT_LIST; 696 } 697 698 void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 699 VisitExpr(E); 700 Record.push_back(E->getNumSubExprs()); 701 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 702 Writer.AddStmt(E->getSubExpr(I)); 703 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 704 Record.push_back(E->usesGNUSyntax()); 705 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 706 DEnd = E->designators_end(); 707 D != DEnd; ++D) { 708 if (D->isFieldDesignator()) { 709 if (FieldDecl *Field = D->getField()) { 710 Record.push_back(serialization::DESIG_FIELD_DECL); 711 Writer.AddDeclRef(Field, Record); 712 } else { 713 Record.push_back(serialization::DESIG_FIELD_NAME); 714 Writer.AddIdentifierRef(D->getFieldName(), Record); 715 } 716 Writer.AddSourceLocation(D->getDotLoc(), Record); 717 Writer.AddSourceLocation(D->getFieldLoc(), Record); 718 } else if (D->isArrayDesignator()) { 719 Record.push_back(serialization::DESIG_ARRAY); 720 Record.push_back(D->getFirstExprIndex()); 721 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 722 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 723 } else { 724 assert(D->isArrayRangeDesignator() && "Unknown designator"); 725 Record.push_back(serialization::DESIG_ARRAY_RANGE); 726 Record.push_back(D->getFirstExprIndex()); 727 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 728 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 729 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 730 } 731 } 732 Code = serialization::EXPR_DESIGNATED_INIT; 733 } 734 735 void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 736 VisitExpr(E); 737 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 738 } 739 740 void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 741 VisitExpr(E); 742 Writer.AddStmt(E->getSubExpr()); 743 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 744 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 745 Writer.AddSourceLocation(E->getRParenLoc(), Record); 746 Code = serialization::EXPR_VA_ARG; 747 } 748 749 void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 750 VisitExpr(E); 751 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 752 Writer.AddSourceLocation(E->getLabelLoc(), Record); 753 Writer.AddDeclRef(E->getLabel(), Record); 754 Code = serialization::EXPR_ADDR_LABEL; 755 } 756 757 void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 758 VisitExpr(E); 759 Writer.AddStmt(E->getSubStmt()); 760 Writer.AddSourceLocation(E->getLParenLoc(), Record); 761 Writer.AddSourceLocation(E->getRParenLoc(), Record); 762 Code = serialization::EXPR_STMT; 763 } 764 765 void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 766 VisitExpr(E); 767 Writer.AddStmt(E->getCond()); 768 Writer.AddStmt(E->getLHS()); 769 Writer.AddStmt(E->getRHS()); 770 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 771 Writer.AddSourceLocation(E->getRParenLoc(), Record); 772 Record.push_back(E->isConditionDependent() ? false : E->isConditionTrue()); 773 Code = serialization::EXPR_CHOOSE; 774 } 775 776 void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 777 VisitExpr(E); 778 Writer.AddSourceLocation(E->getTokenLocation(), Record); 779 Code = serialization::EXPR_GNU_NULL; 780 } 781 782 void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 783 VisitExpr(E); 784 Record.push_back(E->getNumSubExprs()); 785 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 786 Writer.AddStmt(E->getExpr(I)); 787 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 788 Writer.AddSourceLocation(E->getRParenLoc(), Record); 789 Code = serialization::EXPR_SHUFFLE_VECTOR; 790 } 791 792 void ASTStmtWriter::VisitConvertVectorExpr(ConvertVectorExpr *E) { 793 VisitExpr(E); 794 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 795 Writer.AddSourceLocation(E->getRParenLoc(), Record); 796 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 797 Writer.AddStmt(E->getSrcExpr()); 798 Code = serialization::EXPR_CONVERT_VECTOR; 799 } 800 801 void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 802 VisitExpr(E); 803 Writer.AddDeclRef(E->getBlockDecl(), Record); 804 Code = serialization::EXPR_BLOCK; 805 } 806 807 void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) { 808 VisitExpr(E); 809 Record.push_back(E->getNumAssocs()); 810 811 Writer.AddStmt(E->getControllingExpr()); 812 for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) { 813 Writer.AddTypeSourceInfo(E->getAssocTypeSourceInfo(I), Record); 814 Writer.AddStmt(E->getAssocExpr(I)); 815 } 816 Record.push_back(E->isResultDependent() ? -1U : E->getResultIndex()); 817 818 Writer.AddSourceLocation(E->getGenericLoc(), Record); 819 Writer.AddSourceLocation(E->getDefaultLoc(), Record); 820 Writer.AddSourceLocation(E->getRParenLoc(), Record); 821 Code = serialization::EXPR_GENERIC_SELECTION; 822 } 823 824 void ASTStmtWriter::VisitPseudoObjectExpr(PseudoObjectExpr *E) { 825 VisitExpr(E); 826 Record.push_back(E->getNumSemanticExprs()); 827 828 // Push the result index. Currently, this needs to exactly match 829 // the encoding used internally for ResultIndex. 830 unsigned result = E->getResultExprIndex(); 831 result = (result == PseudoObjectExpr::NoResult ? 0 : result + 1); 832 Record.push_back(result); 833 834 Writer.AddStmt(E->getSyntacticForm()); 835 for (PseudoObjectExpr::semantics_iterator 836 i = E->semantics_begin(), e = E->semantics_end(); i != e; ++i) { 837 Writer.AddStmt(*i); 838 } 839 Code = serialization::EXPR_PSEUDO_OBJECT; 840 } 841 842 void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) { 843 VisitExpr(E); 844 Record.push_back(E->getOp()); 845 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 846 Writer.AddStmt(E->getSubExprs()[I]); 847 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 848 Writer.AddSourceLocation(E->getRParenLoc(), Record); 849 Code = serialization::EXPR_ATOMIC; 850 } 851 852 //===----------------------------------------------------------------------===// 853 // Objective-C Expressions and Statements. 854 //===----------------------------------------------------------------------===// 855 856 void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 857 VisitExpr(E); 858 Writer.AddStmt(E->getString()); 859 Writer.AddSourceLocation(E->getAtLoc(), Record); 860 Code = serialization::EXPR_OBJC_STRING_LITERAL; 861 } 862 863 void ASTStmtWriter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) { 864 VisitExpr(E); 865 Writer.AddStmt(E->getSubExpr()); 866 Writer.AddDeclRef(E->getBoxingMethod(), Record); 867 Writer.AddSourceRange(E->getSourceRange(), Record); 868 Code = serialization::EXPR_OBJC_BOXED_EXPRESSION; 869 } 870 871 void ASTStmtWriter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) { 872 VisitExpr(E); 873 Record.push_back(E->getNumElements()); 874 for (unsigned i = 0; i < E->getNumElements(); i++) 875 Writer.AddStmt(E->getElement(i)); 876 Writer.AddDeclRef(E->getArrayWithObjectsMethod(), Record); 877 Writer.AddSourceRange(E->getSourceRange(), Record); 878 Code = serialization::EXPR_OBJC_ARRAY_LITERAL; 879 } 880 881 void ASTStmtWriter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) { 882 VisitExpr(E); 883 Record.push_back(E->getNumElements()); 884 Record.push_back(E->HasPackExpansions); 885 for (unsigned i = 0; i < E->getNumElements(); i++) { 886 ObjCDictionaryElement Element = E->getKeyValueElement(i); 887 Writer.AddStmt(Element.Key); 888 Writer.AddStmt(Element.Value); 889 if (E->HasPackExpansions) { 890 Writer.AddSourceLocation(Element.EllipsisLoc, Record); 891 unsigned NumExpansions = 0; 892 if (Element.NumExpansions) 893 NumExpansions = *Element.NumExpansions + 1; 894 Record.push_back(NumExpansions); 895 } 896 } 897 898 Writer.AddDeclRef(E->getDictWithObjectsMethod(), Record); 899 Writer.AddSourceRange(E->getSourceRange(), Record); 900 Code = serialization::EXPR_OBJC_DICTIONARY_LITERAL; 901 } 902 903 void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 904 VisitExpr(E); 905 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 906 Writer.AddSourceLocation(E->getAtLoc(), Record); 907 Writer.AddSourceLocation(E->getRParenLoc(), Record); 908 Code = serialization::EXPR_OBJC_ENCODE; 909 } 910 911 void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 912 VisitExpr(E); 913 Writer.AddSelectorRef(E->getSelector(), Record); 914 Writer.AddSourceLocation(E->getAtLoc(), Record); 915 Writer.AddSourceLocation(E->getRParenLoc(), Record); 916 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 917 } 918 919 void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 920 VisitExpr(E); 921 Writer.AddDeclRef(E->getProtocol(), Record); 922 Writer.AddSourceLocation(E->getAtLoc(), Record); 923 Writer.AddSourceLocation(E->ProtoLoc, Record); 924 Writer.AddSourceLocation(E->getRParenLoc(), Record); 925 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 926 } 927 928 void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 929 VisitExpr(E); 930 Writer.AddDeclRef(E->getDecl(), Record); 931 Writer.AddSourceLocation(E->getLocation(), Record); 932 Writer.AddSourceLocation(E->getOpLoc(), Record); 933 Writer.AddStmt(E->getBase()); 934 Record.push_back(E->isArrow()); 935 Record.push_back(E->isFreeIvar()); 936 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 937 } 938 939 void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 940 VisitExpr(E); 941 Record.push_back(E->SetterAndMethodRefFlags.getInt()); 942 Record.push_back(E->isImplicitProperty()); 943 if (E->isImplicitProperty()) { 944 Writer.AddDeclRef(E->getImplicitPropertyGetter(), Record); 945 Writer.AddDeclRef(E->getImplicitPropertySetter(), Record); 946 } else { 947 Writer.AddDeclRef(E->getExplicitProperty(), Record); 948 } 949 Writer.AddSourceLocation(E->getLocation(), Record); 950 Writer.AddSourceLocation(E->getReceiverLocation(), Record); 951 if (E->isObjectReceiver()) { 952 Record.push_back(0); 953 Writer.AddStmt(E->getBase()); 954 } else if (E->isSuperReceiver()) { 955 Record.push_back(1); 956 Writer.AddTypeRef(E->getSuperReceiverType(), Record); 957 } else { 958 Record.push_back(2); 959 Writer.AddDeclRef(E->getClassReceiver(), Record); 960 } 961 962 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 963 } 964 965 void ASTStmtWriter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) { 966 VisitExpr(E); 967 Writer.AddSourceLocation(E->getRBracket(), Record); 968 Writer.AddStmt(E->getBaseExpr()); 969 Writer.AddStmt(E->getKeyExpr()); 970 Writer.AddDeclRef(E->getAtIndexMethodDecl(), Record); 971 Writer.AddDeclRef(E->setAtIndexMethodDecl(), Record); 972 973 Code = serialization::EXPR_OBJC_SUBSCRIPT_REF_EXPR; 974 } 975 976 void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 977 VisitExpr(E); 978 Record.push_back(E->getNumArgs()); 979 Record.push_back(E->getNumStoredSelLocs()); 980 Record.push_back(E->SelLocsKind); 981 Record.push_back(E->isDelegateInitCall()); 982 Record.push_back(E->IsImplicit); 983 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 984 switch (E->getReceiverKind()) { 985 case ObjCMessageExpr::Instance: 986 Writer.AddStmt(E->getInstanceReceiver()); 987 break; 988 989 case ObjCMessageExpr::Class: 990 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 991 break; 992 993 case ObjCMessageExpr::SuperClass: 994 case ObjCMessageExpr::SuperInstance: 995 Writer.AddTypeRef(E->getSuperType(), Record); 996 Writer.AddSourceLocation(E->getSuperLoc(), Record); 997 break; 998 } 999 1000 if (E->getMethodDecl()) { 1001 Record.push_back(1); 1002 Writer.AddDeclRef(E->getMethodDecl(), Record); 1003 } else { 1004 Record.push_back(0); 1005 Writer.AddSelectorRef(E->getSelector(), Record); 1006 } 1007 1008 Writer.AddSourceLocation(E->getLeftLoc(), Record); 1009 Writer.AddSourceLocation(E->getRightLoc(), Record); 1010 1011 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 1012 Arg != ArgEnd; ++Arg) 1013 Writer.AddStmt(*Arg); 1014 1015 SourceLocation *Locs = E->getStoredSelLocs(); 1016 for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i) 1017 Writer.AddSourceLocation(Locs[i], Record); 1018 1019 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 1020 } 1021 1022 void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 1023 VisitStmt(S); 1024 Writer.AddStmt(S->getElement()); 1025 Writer.AddStmt(S->getCollection()); 1026 Writer.AddStmt(S->getBody()); 1027 Writer.AddSourceLocation(S->getForLoc(), Record); 1028 Writer.AddSourceLocation(S->getRParenLoc(), Record); 1029 Code = serialization::STMT_OBJC_FOR_COLLECTION; 1030 } 1031 1032 void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 1033 Writer.AddStmt(S->getCatchBody()); 1034 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 1035 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 1036 Writer.AddSourceLocation(S->getRParenLoc(), Record); 1037 Code = serialization::STMT_OBJC_CATCH; 1038 } 1039 1040 void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 1041 Writer.AddStmt(S->getFinallyBody()); 1042 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 1043 Code = serialization::STMT_OBJC_FINALLY; 1044 } 1045 1046 void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) { 1047 Writer.AddStmt(S->getSubStmt()); 1048 Writer.AddSourceLocation(S->getAtLoc(), Record); 1049 Code = serialization::STMT_OBJC_AUTORELEASE_POOL; 1050 } 1051 1052 void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 1053 Record.push_back(S->getNumCatchStmts()); 1054 Record.push_back(S->getFinallyStmt() != nullptr); 1055 Writer.AddStmt(S->getTryBody()); 1056 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 1057 Writer.AddStmt(S->getCatchStmt(I)); 1058 if (S->getFinallyStmt()) 1059 Writer.AddStmt(S->getFinallyStmt()); 1060 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 1061 Code = serialization::STMT_OBJC_AT_TRY; 1062 } 1063 1064 void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 1065 Writer.AddStmt(S->getSynchExpr()); 1066 Writer.AddStmt(S->getSynchBody()); 1067 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 1068 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 1069 } 1070 1071 void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 1072 Writer.AddStmt(S->getThrowExpr()); 1073 Writer.AddSourceLocation(S->getThrowLoc(), Record); 1074 Code = serialization::STMT_OBJC_AT_THROW; 1075 } 1076 1077 void ASTStmtWriter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) { 1078 VisitExpr(E); 1079 Record.push_back(E->getValue()); 1080 Writer.AddSourceLocation(E->getLocation(), Record); 1081 Code = serialization::EXPR_OBJC_BOOL_LITERAL; 1082 } 1083 1084 //===----------------------------------------------------------------------===// 1085 // C++ Expressions and Statements. 1086 //===----------------------------------------------------------------------===// 1087 1088 void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 1089 VisitStmt(S); 1090 Writer.AddSourceLocation(S->getCatchLoc(), Record); 1091 Writer.AddDeclRef(S->getExceptionDecl(), Record); 1092 Writer.AddStmt(S->getHandlerBlock()); 1093 Code = serialization::STMT_CXX_CATCH; 1094 } 1095 1096 void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 1097 VisitStmt(S); 1098 Record.push_back(S->getNumHandlers()); 1099 Writer.AddSourceLocation(S->getTryLoc(), Record); 1100 Writer.AddStmt(S->getTryBlock()); 1101 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 1102 Writer.AddStmt(S->getHandler(i)); 1103 Code = serialization::STMT_CXX_TRY; 1104 } 1105 1106 void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) { 1107 VisitStmt(S); 1108 Writer.AddSourceLocation(S->getForLoc(), Record); 1109 Writer.AddSourceLocation(S->getColonLoc(), Record); 1110 Writer.AddSourceLocation(S->getRParenLoc(), Record); 1111 Writer.AddStmt(S->getRangeStmt()); 1112 Writer.AddStmt(S->getBeginEndStmt()); 1113 Writer.AddStmt(S->getCond()); 1114 Writer.AddStmt(S->getInc()); 1115 Writer.AddStmt(S->getLoopVarStmt()); 1116 Writer.AddStmt(S->getBody()); 1117 Code = serialization::STMT_CXX_FOR_RANGE; 1118 } 1119 1120 void ASTStmtWriter::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) { 1121 VisitStmt(S); 1122 Writer.AddSourceLocation(S->getKeywordLoc(), Record); 1123 Record.push_back(S->isIfExists()); 1124 Writer.AddNestedNameSpecifierLoc(S->getQualifierLoc(), Record); 1125 Writer.AddDeclarationNameInfo(S->getNameInfo(), Record); 1126 Writer.AddStmt(S->getSubStmt()); 1127 Code = serialization::STMT_MS_DEPENDENT_EXISTS; 1128 } 1129 1130 void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 1131 VisitCallExpr(E); 1132 Record.push_back(E->getOperator()); 1133 Writer.AddSourceRange(E->Range, Record); 1134 Record.push_back(E->isFPContractable()); 1135 Code = serialization::EXPR_CXX_OPERATOR_CALL; 1136 } 1137 1138 void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 1139 VisitCallExpr(E); 1140 Code = serialization::EXPR_CXX_MEMBER_CALL; 1141 } 1142 1143 void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 1144 VisitExpr(E); 1145 Record.push_back(E->getNumArgs()); 1146 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 1147 Writer.AddStmt(E->getArg(I)); 1148 Writer.AddDeclRef(E->getConstructor(), Record); 1149 Writer.AddSourceLocation(E->getLocation(), Record); 1150 Record.push_back(E->isElidable()); 1151 Record.push_back(E->hadMultipleCandidates()); 1152 Record.push_back(E->isListInitialization()); 1153 Record.push_back(E->requiresZeroInitialization()); 1154 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 1155 Writer.AddSourceRange(E->getParenOrBraceRange(), Record); 1156 Code = serialization::EXPR_CXX_CONSTRUCT; 1157 } 1158 1159 void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 1160 VisitCXXConstructExpr(E); 1161 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1162 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 1163 } 1164 1165 void ASTStmtWriter::VisitLambdaExpr(LambdaExpr *E) { 1166 VisitExpr(E); 1167 Record.push_back(E->NumCaptures); 1168 unsigned NumArrayIndexVars = 0; 1169 if (E->HasArrayIndexVars) 1170 NumArrayIndexVars = E->getArrayIndexStarts()[E->NumCaptures]; 1171 Record.push_back(NumArrayIndexVars); 1172 Writer.AddSourceRange(E->IntroducerRange, Record); 1173 Record.push_back(E->CaptureDefault); // FIXME: stable encoding 1174 Writer.AddSourceLocation(E->CaptureDefaultLoc, Record); 1175 Record.push_back(E->ExplicitParams); 1176 Record.push_back(E->ExplicitResultType); 1177 Writer.AddSourceLocation(E->ClosingBrace, Record); 1178 1179 // Add capture initializers. 1180 for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(), 1181 CEnd = E->capture_init_end(); 1182 C != CEnd; ++C) { 1183 Writer.AddStmt(*C); 1184 } 1185 1186 // Add array index variables, if any. 1187 if (NumArrayIndexVars) { 1188 Record.append(E->getArrayIndexStarts(), 1189 E->getArrayIndexStarts() + E->NumCaptures + 1); 1190 VarDecl **ArrayIndexVars = E->getArrayIndexVars(); 1191 for (unsigned I = 0; I != NumArrayIndexVars; ++I) 1192 Writer.AddDeclRef(ArrayIndexVars[I], Record); 1193 } 1194 1195 Code = serialization::EXPR_LAMBDA; 1196 } 1197 1198 void ASTStmtWriter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) { 1199 VisitExpr(E); 1200 Writer.AddStmt(E->getSubExpr()); 1201 Code = serialization::EXPR_CXX_STD_INITIALIZER_LIST; 1202 } 1203 1204 void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 1205 VisitExplicitCastExpr(E); 1206 Writer.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()), 1207 Record); 1208 Writer.AddSourceRange(E->getAngleBrackets(), Record); 1209 } 1210 1211 void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 1212 VisitCXXNamedCastExpr(E); 1213 Code = serialization::EXPR_CXX_STATIC_CAST; 1214 } 1215 1216 void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 1217 VisitCXXNamedCastExpr(E); 1218 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1219 } 1220 1221 void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1222 VisitCXXNamedCastExpr(E); 1223 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1224 } 1225 1226 void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1227 VisitCXXNamedCastExpr(E); 1228 Code = serialization::EXPR_CXX_CONST_CAST; 1229 } 1230 1231 void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1232 VisitExplicitCastExpr(E); 1233 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1234 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1235 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1236 } 1237 1238 void ASTStmtWriter::VisitUserDefinedLiteral(UserDefinedLiteral *E) { 1239 VisitCallExpr(E); 1240 Writer.AddSourceLocation(E->UDSuffixLoc, Record); 1241 Code = serialization::EXPR_USER_DEFINED_LITERAL; 1242 } 1243 1244 void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1245 VisitExpr(E); 1246 Record.push_back(E->getValue()); 1247 Writer.AddSourceLocation(E->getLocation(), Record); 1248 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1249 } 1250 1251 void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1252 VisitExpr(E); 1253 Writer.AddSourceLocation(E->getLocation(), Record); 1254 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1255 } 1256 1257 void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1258 VisitExpr(E); 1259 Writer.AddSourceRange(E->getSourceRange(), Record); 1260 if (E->isTypeOperand()) { 1261 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1262 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1263 } else { 1264 Writer.AddStmt(E->getExprOperand()); 1265 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1266 } 1267 } 1268 1269 void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1270 VisitExpr(E); 1271 Writer.AddSourceLocation(E->getLocation(), Record); 1272 Record.push_back(E->isImplicit()); 1273 Code = serialization::EXPR_CXX_THIS; 1274 } 1275 1276 void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1277 VisitExpr(E); 1278 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1279 Writer.AddStmt(E->getSubExpr()); 1280 Record.push_back(E->isThrownVariableInScope()); 1281 Code = serialization::EXPR_CXX_THROW; 1282 } 1283 1284 void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1285 VisitExpr(E); 1286 1287 bool HasOtherExprStored = E->Param.getInt(); 1288 // Store these first, the reader reads them before creation. 1289 Record.push_back(HasOtherExprStored); 1290 if (HasOtherExprStored) 1291 Writer.AddStmt(E->getExpr()); 1292 Writer.AddDeclRef(E->getParam(), Record); 1293 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1294 1295 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1296 } 1297 1298 void ASTStmtWriter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) { 1299 VisitExpr(E); 1300 Writer.AddDeclRef(E->getField(), Record); 1301 Writer.AddSourceLocation(E->getExprLoc(), Record); 1302 Code = serialization::EXPR_CXX_DEFAULT_INIT; 1303 } 1304 1305 void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1306 VisitExpr(E); 1307 Writer.AddCXXTemporary(E->getTemporary(), Record); 1308 Writer.AddStmt(E->getSubExpr()); 1309 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1310 } 1311 1312 void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1313 VisitExpr(E); 1314 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1315 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1316 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1317 } 1318 1319 void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1320 VisitExpr(E); 1321 Record.push_back(E->isGlobalNew()); 1322 Record.push_back(E->isArray()); 1323 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1324 Record.push_back(E->getNumPlacementArgs()); 1325 Record.push_back(E->StoredInitializationStyle); 1326 Writer.AddDeclRef(E->getOperatorNew(), Record); 1327 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1328 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1329 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1330 Writer.AddSourceRange(E->getSourceRange(), Record); 1331 Writer.AddSourceRange(E->getDirectInitRange(), Record); 1332 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1333 I != e; ++I) 1334 Writer.AddStmt(*I); 1335 1336 Code = serialization::EXPR_CXX_NEW; 1337 } 1338 1339 void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1340 VisitExpr(E); 1341 Record.push_back(E->isGlobalDelete()); 1342 Record.push_back(E->isArrayForm()); 1343 Record.push_back(E->isArrayFormAsWritten()); 1344 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1345 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1346 Writer.AddStmt(E->getArgument()); 1347 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1348 1349 Code = serialization::EXPR_CXX_DELETE; 1350 } 1351 1352 void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1353 VisitExpr(E); 1354 1355 Writer.AddStmt(E->getBase()); 1356 Record.push_back(E->isArrow()); 1357 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1358 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1359 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1360 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1361 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1362 1363 // PseudoDestructorTypeStorage. 1364 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1365 if (E->getDestroyedTypeIdentifier()) 1366 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1367 else 1368 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1369 1370 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1371 } 1372 1373 void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) { 1374 VisitExpr(E); 1375 Record.push_back(E->getNumObjects()); 1376 for (unsigned i = 0, e = E->getNumObjects(); i != e; ++i) 1377 Writer.AddDeclRef(E->getObject(i), Record); 1378 1379 Writer.AddStmt(E->getSubExpr()); 1380 Code = serialization::EXPR_EXPR_WITH_CLEANUPS; 1381 } 1382 1383 void 1384 ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1385 VisitExpr(E); 1386 1387 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1388 // emitted first. 1389 1390 Record.push_back(E->HasTemplateKWAndArgsInfo); 1391 if (E->HasTemplateKWAndArgsInfo) { 1392 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1393 Record.push_back(Args.NumTemplateArgs); 1394 AddTemplateKWAndArgsInfo(Args); 1395 } 1396 1397 if (!E->isImplicitAccess()) 1398 Writer.AddStmt(E->getBase()); 1399 else 1400 Writer.AddStmt(nullptr); 1401 Writer.AddTypeRef(E->getBaseType(), Record); 1402 Record.push_back(E->isArrow()); 1403 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1404 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1405 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1406 Writer.AddDeclarationNameInfo(E->MemberNameInfo, Record); 1407 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1408 } 1409 1410 void 1411 ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1412 VisitExpr(E); 1413 1414 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1415 // emitted first. 1416 1417 Record.push_back(E->HasTemplateKWAndArgsInfo); 1418 if (E->HasTemplateKWAndArgsInfo) { 1419 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1420 Record.push_back(Args.NumTemplateArgs); 1421 AddTemplateKWAndArgsInfo(Args); 1422 } 1423 1424 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1425 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1426 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1427 } 1428 1429 void 1430 ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1431 VisitExpr(E); 1432 Record.push_back(E->arg_size()); 1433 for (CXXUnresolvedConstructExpr::arg_iterator 1434 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1435 Writer.AddStmt(*ArgI); 1436 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1437 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1438 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1439 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1440 } 1441 1442 void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1443 VisitExpr(E); 1444 1445 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1446 // emitted first. 1447 1448 Record.push_back(E->HasTemplateKWAndArgsInfo); 1449 if (E->HasTemplateKWAndArgsInfo) { 1450 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1451 Record.push_back(Args.NumTemplateArgs); 1452 AddTemplateKWAndArgsInfo(Args); 1453 } 1454 1455 Record.push_back(E->getNumDecls()); 1456 for (OverloadExpr::decls_iterator 1457 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1458 Writer.AddDeclRef(OvI.getDecl(), Record); 1459 Record.push_back(OvI.getAccess()); 1460 } 1461 1462 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1463 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1464 } 1465 1466 void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1467 VisitOverloadExpr(E); 1468 Record.push_back(E->isArrow()); 1469 Record.push_back(E->hasUnresolvedUsing()); 1470 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : nullptr); 1471 Writer.AddTypeRef(E->getBaseType(), Record); 1472 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1473 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1474 } 1475 1476 void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1477 VisitOverloadExpr(E); 1478 Record.push_back(E->requiresADL()); 1479 Record.push_back(E->isOverloaded()); 1480 Writer.AddDeclRef(E->getNamingClass(), Record); 1481 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1482 } 1483 1484 void ASTStmtWriter::VisitTypeTraitExpr(TypeTraitExpr *E) { 1485 VisitExpr(E); 1486 Record.push_back(E->TypeTraitExprBits.NumArgs); 1487 Record.push_back(E->TypeTraitExprBits.Kind); // FIXME: Stable encoding 1488 Record.push_back(E->TypeTraitExprBits.Value); 1489 Writer.AddSourceRange(E->getSourceRange(), Record); 1490 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 1491 Writer.AddTypeSourceInfo(E->getArg(I), Record); 1492 Code = serialization::EXPR_TYPE_TRAIT; 1493 } 1494 1495 void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { 1496 VisitExpr(E); 1497 Record.push_back(E->getTrait()); 1498 Record.push_back(E->getValue()); 1499 Writer.AddSourceRange(E->getSourceRange(), Record); 1500 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1501 Code = serialization::EXPR_ARRAY_TYPE_TRAIT; 1502 } 1503 1504 void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) { 1505 VisitExpr(E); 1506 Record.push_back(E->getTrait()); 1507 Record.push_back(E->getValue()); 1508 Writer.AddSourceRange(E->getSourceRange(), Record); 1509 Writer.AddStmt(E->getQueriedExpression()); 1510 Code = serialization::EXPR_CXX_EXPRESSION_TRAIT; 1511 } 1512 1513 void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { 1514 VisitExpr(E); 1515 Record.push_back(E->getValue()); 1516 Writer.AddSourceRange(E->getSourceRange(), Record); 1517 Writer.AddStmt(E->getOperand()); 1518 Code = serialization::EXPR_CXX_NOEXCEPT; 1519 } 1520 1521 void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) { 1522 VisitExpr(E); 1523 Writer.AddSourceLocation(E->getEllipsisLoc(), Record); 1524 Record.push_back(E->NumExpansions); 1525 Writer.AddStmt(E->getPattern()); 1526 Code = serialization::EXPR_PACK_EXPANSION; 1527 } 1528 1529 void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) { 1530 VisitExpr(E); 1531 Writer.AddSourceLocation(E->OperatorLoc, Record); 1532 Writer.AddSourceLocation(E->PackLoc, Record); 1533 Writer.AddSourceLocation(E->RParenLoc, Record); 1534 Record.push_back(E->Length); 1535 Writer.AddDeclRef(E->Pack, Record); 1536 Code = serialization::EXPR_SIZEOF_PACK; 1537 } 1538 1539 void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr( 1540 SubstNonTypeTemplateParmExpr *E) { 1541 VisitExpr(E); 1542 Writer.AddDeclRef(E->getParameter(), Record); 1543 Writer.AddSourceLocation(E->getNameLoc(), Record); 1544 Writer.AddStmt(E->getReplacement()); 1545 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM; 1546 } 1547 1548 void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr( 1549 SubstNonTypeTemplateParmPackExpr *E) { 1550 VisitExpr(E); 1551 Writer.AddDeclRef(E->getParameterPack(), Record); 1552 Writer.AddTemplateArgument(E->getArgumentPack(), Record); 1553 Writer.AddSourceLocation(E->getParameterPackLocation(), Record); 1554 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK; 1555 } 1556 1557 void ASTStmtWriter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) { 1558 VisitExpr(E); 1559 Record.push_back(E->getNumExpansions()); 1560 Writer.AddDeclRef(E->getParameterPack(), Record); 1561 Writer.AddSourceLocation(E->getParameterPackLocation(), Record); 1562 for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end(); 1563 I != End; ++I) 1564 Writer.AddDeclRef(*I, Record); 1565 Code = serialization::EXPR_FUNCTION_PARM_PACK; 1566 } 1567 1568 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) { 1569 VisitExpr(E); 1570 Writer.AddStmt(E->getTemporary()); 1571 Writer.AddDeclRef(E->getExtendingDecl(), Record); 1572 Record.push_back(E->getManglingNumber()); 1573 Code = serialization::EXPR_MATERIALIZE_TEMPORARY; 1574 } 1575 1576 void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) { 1577 VisitExpr(E); 1578 Writer.AddStmt(E->getSourceExpr()); 1579 Writer.AddSourceLocation(E->getLocation(), Record); 1580 Code = serialization::EXPR_OPAQUE_VALUE; 1581 } 1582 1583 //===----------------------------------------------------------------------===// 1584 // CUDA Expressions and Statements. 1585 //===----------------------------------------------------------------------===// 1586 1587 void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) { 1588 VisitCallExpr(E); 1589 Writer.AddStmt(E->getConfig()); 1590 Code = serialization::EXPR_CUDA_KERNEL_CALL; 1591 } 1592 1593 //===----------------------------------------------------------------------===// 1594 // OpenCL Expressions and Statements. 1595 //===----------------------------------------------------------------------===// 1596 void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) { 1597 VisitExpr(E); 1598 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 1599 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1600 Writer.AddStmt(E->getSrcExpr()); 1601 Code = serialization::EXPR_ASTYPE; 1602 } 1603 1604 //===----------------------------------------------------------------------===// 1605 // Microsoft Expressions and Statements. 1606 //===----------------------------------------------------------------------===// 1607 void ASTStmtWriter::VisitMSPropertyRefExpr(MSPropertyRefExpr *E) { 1608 VisitExpr(E); 1609 Record.push_back(E->isArrow()); 1610 Writer.AddStmt(E->getBaseExpr()); 1611 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1612 Writer.AddSourceLocation(E->getMemberLoc(), Record); 1613 Writer.AddDeclRef(E->getPropertyDecl(), Record); 1614 Code = serialization::EXPR_CXX_PROPERTY_REF_EXPR; 1615 } 1616 1617 void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1618 VisitExpr(E); 1619 Writer.AddSourceRange(E->getSourceRange(), Record); 1620 if (E->isTypeOperand()) { 1621 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1622 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1623 } else { 1624 Writer.AddStmt(E->getExprOperand()); 1625 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1626 } 1627 } 1628 1629 void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) { 1630 VisitStmt(S); 1631 Writer.AddSourceLocation(S->getExceptLoc(), Record); 1632 Writer.AddStmt(S->getFilterExpr()); 1633 Writer.AddStmt(S->getBlock()); 1634 Code = serialization::STMT_SEH_EXCEPT; 1635 } 1636 1637 void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) { 1638 VisitStmt(S); 1639 Writer.AddSourceLocation(S->getFinallyLoc(), Record); 1640 Writer.AddStmt(S->getBlock()); 1641 Code = serialization::STMT_SEH_FINALLY; 1642 } 1643 1644 void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) { 1645 VisitStmt(S); 1646 Record.push_back(S->getIsCXXTry()); 1647 Writer.AddSourceLocation(S->getTryLoc(), Record); 1648 Writer.AddStmt(S->getTryBlock()); 1649 Writer.AddStmt(S->getHandler()); 1650 Code = serialization::STMT_SEH_TRY; 1651 } 1652 1653 void ASTStmtWriter::VisitSEHLeaveStmt(SEHLeaveStmt *S) { 1654 VisitStmt(S); 1655 Writer.AddSourceLocation(S->getLeaveLoc(), Record); 1656 Code = serialization::STMT_SEH_LEAVE; 1657 } 1658 1659 //===----------------------------------------------------------------------===// 1660 // OpenMP Clauses. 1661 //===----------------------------------------------------------------------===// 1662 1663 namespace clang { 1664 class OMPClauseWriter : public OMPClauseVisitor<OMPClauseWriter> { 1665 ASTStmtWriter *Writer; 1666 ASTWriter::RecordData &Record; 1667 public: 1668 OMPClauseWriter(ASTStmtWriter *W, ASTWriter::RecordData &Record) 1669 : Writer(W), Record(Record) { } 1670 #define OPENMP_CLAUSE(Name, Class) \ 1671 void Visit##Class(Class *S); 1672 #include "clang/Basic/OpenMPKinds.def" 1673 void writeClause(OMPClause *C); 1674 }; 1675 } 1676 1677 void OMPClauseWriter::writeClause(OMPClause *C) { 1678 Record.push_back(C->getClauseKind()); 1679 Visit(C); 1680 Writer->Writer.AddSourceLocation(C->getLocStart(), Record); 1681 Writer->Writer.AddSourceLocation(C->getLocEnd(), Record); 1682 } 1683 1684 void OMPClauseWriter::VisitOMPIfClause(OMPIfClause *C) { 1685 Writer->Writer.AddStmt(C->getCondition()); 1686 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1687 } 1688 1689 void OMPClauseWriter::VisitOMPNumThreadsClause(OMPNumThreadsClause *C) { 1690 Writer->Writer.AddStmt(C->getNumThreads()); 1691 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1692 } 1693 1694 void OMPClauseWriter::VisitOMPSafelenClause(OMPSafelenClause *C) { 1695 Writer->Writer.AddStmt(C->getSafelen()); 1696 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1697 } 1698 1699 void OMPClauseWriter::VisitOMPCollapseClause(OMPCollapseClause *C) { 1700 Writer->Writer.AddStmt(C->getNumForLoops()); 1701 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1702 } 1703 1704 void OMPClauseWriter::VisitOMPDefaultClause(OMPDefaultClause *C) { 1705 Record.push_back(C->getDefaultKind()); 1706 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1707 Writer->Writer.AddSourceLocation(C->getDefaultKindKwLoc(), Record); 1708 } 1709 1710 void OMPClauseWriter::VisitOMPProcBindClause(OMPProcBindClause *C) { 1711 Record.push_back(C->getProcBindKind()); 1712 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1713 Writer->Writer.AddSourceLocation(C->getProcBindKindKwLoc(), Record); 1714 } 1715 1716 void OMPClauseWriter::VisitOMPScheduleClause(OMPScheduleClause *C) { 1717 Record.push_back(C->getScheduleKind()); 1718 Writer->Writer.AddStmt(C->getChunkSize()); 1719 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1720 Writer->Writer.AddSourceLocation(C->getScheduleKindLoc(), Record); 1721 Writer->Writer.AddSourceLocation(C->getCommaLoc(), Record); 1722 } 1723 1724 void OMPClauseWriter::VisitOMPOrderedClause(OMPOrderedClause *) {} 1725 1726 void OMPClauseWriter::VisitOMPNowaitClause(OMPNowaitClause *) {} 1727 1728 void OMPClauseWriter::VisitOMPPrivateClause(OMPPrivateClause *C) { 1729 Record.push_back(C->varlist_size()); 1730 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1731 for (auto *VE : C->varlists()) 1732 Writer->Writer.AddStmt(VE); 1733 } 1734 1735 void OMPClauseWriter::VisitOMPFirstprivateClause(OMPFirstprivateClause *C) { 1736 Record.push_back(C->varlist_size()); 1737 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1738 for (auto *VE : C->varlists()) 1739 Writer->Writer.AddStmt(VE); 1740 } 1741 1742 void OMPClauseWriter::VisitOMPLastprivateClause(OMPLastprivateClause *C) { 1743 Record.push_back(C->varlist_size()); 1744 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1745 for (auto *VE : C->varlists()) 1746 Writer->Writer.AddStmt(VE); 1747 } 1748 1749 void OMPClauseWriter::VisitOMPSharedClause(OMPSharedClause *C) { 1750 Record.push_back(C->varlist_size()); 1751 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1752 for (auto *VE : C->varlists()) 1753 Writer->Writer.AddStmt(VE); 1754 } 1755 1756 void OMPClauseWriter::VisitOMPReductionClause(OMPReductionClause *C) { 1757 Record.push_back(C->varlist_size()); 1758 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1759 Writer->Writer.AddSourceLocation(C->getColonLoc(), Record); 1760 Writer->Writer.AddNestedNameSpecifierLoc(C->getQualifierLoc(), Record); 1761 Writer->Writer.AddDeclarationNameInfo(C->getNameInfo(), Record); 1762 for (auto *VE : C->varlists()) 1763 Writer->Writer.AddStmt(VE); 1764 } 1765 1766 void OMPClauseWriter::VisitOMPLinearClause(OMPLinearClause *C) { 1767 Record.push_back(C->varlist_size()); 1768 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1769 Writer->Writer.AddSourceLocation(C->getColonLoc(), Record); 1770 for (auto *VE : C->varlists()) 1771 Writer->Writer.AddStmt(VE); 1772 Writer->Writer.AddStmt(C->getStep()); 1773 } 1774 1775 void OMPClauseWriter::VisitOMPAlignedClause(OMPAlignedClause *C) { 1776 Record.push_back(C->varlist_size()); 1777 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1778 Writer->Writer.AddSourceLocation(C->getColonLoc(), Record); 1779 for (auto *VE : C->varlists()) 1780 Writer->Writer.AddStmt(VE); 1781 Writer->Writer.AddStmt(C->getAlignment()); 1782 } 1783 1784 void OMPClauseWriter::VisitOMPCopyinClause(OMPCopyinClause *C) { 1785 Record.push_back(C->varlist_size()); 1786 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1787 for (auto *VE : C->varlists()) 1788 Writer->Writer.AddStmt(VE); 1789 } 1790 1791 void OMPClauseWriter::VisitOMPCopyprivateClause(OMPCopyprivateClause *C) { 1792 Record.push_back(C->varlist_size()); 1793 Writer->Writer.AddSourceLocation(C->getLParenLoc(), Record); 1794 for (auto *VE : C->varlists()) 1795 Writer->Writer.AddStmt(VE); 1796 } 1797 1798 //===----------------------------------------------------------------------===// 1799 // OpenMP Directives. 1800 //===----------------------------------------------------------------------===// 1801 void ASTStmtWriter::VisitOMPExecutableDirective(OMPExecutableDirective *E) { 1802 Writer.AddSourceLocation(E->getLocStart(), Record); 1803 Writer.AddSourceLocation(E->getLocEnd(), Record); 1804 OMPClauseWriter ClauseWriter(this, Record); 1805 for (unsigned i = 0; i < E->getNumClauses(); ++i) { 1806 ClauseWriter.writeClause(E->getClause(i)); 1807 } 1808 Writer.AddStmt(E->getAssociatedStmt()); 1809 } 1810 1811 void ASTStmtWriter::VisitOMPParallelDirective(OMPParallelDirective *D) { 1812 VisitStmt(D); 1813 Record.push_back(D->getNumClauses()); 1814 VisitOMPExecutableDirective(D); 1815 Code = serialization::STMT_OMP_PARALLEL_DIRECTIVE; 1816 } 1817 1818 void ASTStmtWriter::VisitOMPSimdDirective(OMPSimdDirective *D) { 1819 VisitStmt(D); 1820 Record.push_back(D->getNumClauses()); 1821 Record.push_back(D->getCollapsedNumber()); 1822 VisitOMPExecutableDirective(D); 1823 Code = serialization::STMT_OMP_SIMD_DIRECTIVE; 1824 } 1825 1826 void ASTStmtWriter::VisitOMPForDirective(OMPForDirective *D) { 1827 VisitStmt(D); 1828 Record.push_back(D->getNumClauses()); 1829 Record.push_back(D->getCollapsedNumber()); 1830 VisitOMPExecutableDirective(D); 1831 Code = serialization::STMT_OMP_FOR_DIRECTIVE; 1832 } 1833 1834 void ASTStmtWriter::VisitOMPSectionsDirective(OMPSectionsDirective *D) { 1835 VisitStmt(D); 1836 Record.push_back(D->getNumClauses()); 1837 VisitOMPExecutableDirective(D); 1838 Code = serialization::STMT_OMP_SECTIONS_DIRECTIVE; 1839 } 1840 1841 void ASTStmtWriter::VisitOMPSectionDirective(OMPSectionDirective *D) { 1842 VisitStmt(D); 1843 VisitOMPExecutableDirective(D); 1844 Code = serialization::STMT_OMP_SECTION_DIRECTIVE; 1845 } 1846 1847 void ASTStmtWriter::VisitOMPSingleDirective(OMPSingleDirective *D) { 1848 VisitStmt(D); 1849 Record.push_back(D->getNumClauses()); 1850 VisitOMPExecutableDirective(D); 1851 Code = serialization::STMT_OMP_SINGLE_DIRECTIVE; 1852 } 1853 1854 void ASTStmtWriter::VisitOMPParallelForDirective(OMPParallelForDirective *D) { 1855 VisitStmt(D); 1856 Record.push_back(D->getNumClauses()); 1857 Record.push_back(D->getCollapsedNumber()); 1858 VisitOMPExecutableDirective(D); 1859 Code = serialization::STMT_OMP_PARALLEL_FOR_DIRECTIVE; 1860 } 1861 1862 void ASTStmtWriter::VisitOMPParallelSectionsDirective( 1863 OMPParallelSectionsDirective *D) { 1864 VisitStmt(D); 1865 Record.push_back(D->getNumClauses()); 1866 VisitOMPExecutableDirective(D); 1867 Code = serialization::STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE; 1868 } 1869 1870 //===----------------------------------------------------------------------===// 1871 // ASTWriter Implementation 1872 //===----------------------------------------------------------------------===// 1873 1874 unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1875 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1876 "SwitchCase recorded twice"); 1877 unsigned NextID = SwitchCaseIDs.size(); 1878 SwitchCaseIDs[S] = NextID; 1879 return NextID; 1880 } 1881 1882 unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1883 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1884 "SwitchCase hasn't been seen yet"); 1885 return SwitchCaseIDs[S]; 1886 } 1887 1888 void ASTWriter::ClearSwitchCaseIDs() { 1889 SwitchCaseIDs.clear(); 1890 } 1891 1892 /// \brief Write the given substatement or subexpression to the 1893 /// bitstream. 1894 void ASTWriter::WriteSubStmt(Stmt *S, 1895 llvm::DenseMap<Stmt *, uint64_t> &SubStmtEntries, 1896 llvm::DenseSet<Stmt *> &ParentStmts) { 1897 RecordData Record; 1898 ASTStmtWriter Writer(*this, Record); 1899 ++NumStatements; 1900 1901 if (!S) { 1902 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1903 return; 1904 } 1905 1906 llvm::DenseMap<Stmt *, uint64_t>::iterator I = SubStmtEntries.find(S); 1907 if (I != SubStmtEntries.end()) { 1908 Record.push_back(I->second); 1909 Stream.EmitRecord(serialization::STMT_REF_PTR, Record); 1910 return; 1911 } 1912 1913 #ifndef NDEBUG 1914 assert(!ParentStmts.count(S) && "There is a Stmt cycle!"); 1915 1916 struct ParentStmtInserterRAII { 1917 Stmt *S; 1918 llvm::DenseSet<Stmt *> &ParentStmts; 1919 1920 ParentStmtInserterRAII(Stmt *S, llvm::DenseSet<Stmt *> &ParentStmts) 1921 : S(S), ParentStmts(ParentStmts) { 1922 ParentStmts.insert(S); 1923 } 1924 ~ParentStmtInserterRAII() { 1925 ParentStmts.erase(S); 1926 } 1927 }; 1928 1929 ParentStmtInserterRAII ParentStmtInserter(S, ParentStmts); 1930 #endif 1931 1932 // Redirect ASTWriter::AddStmt to collect sub-stmts. 1933 SmallVector<Stmt *, 16> SubStmts; 1934 CollectedStmts = &SubStmts; 1935 1936 Writer.Code = serialization::STMT_NULL_PTR; 1937 Writer.AbbrevToUse = 0; 1938 Writer.Visit(S); 1939 1940 #ifndef NDEBUG 1941 if (Writer.Code == serialization::STMT_NULL_PTR) { 1942 SourceManager &SrcMgr 1943 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1944 S->dump(SrcMgr); 1945 llvm_unreachable("Unhandled sub-statement writing AST file"); 1946 } 1947 #endif 1948 1949 // Revert ASTWriter::AddStmt. 1950 CollectedStmts = &StmtsToEmit; 1951 1952 // Write the sub-stmts in reverse order, last to first. When reading them back 1953 // we will read them in correct order by "pop"ing them from the Stmts stack. 1954 // This simplifies reading and allows to store a variable number of sub-stmts 1955 // without knowing it in advance. 1956 while (!SubStmts.empty()) 1957 WriteSubStmt(SubStmts.pop_back_val(), SubStmtEntries, ParentStmts); 1958 1959 Stream.EmitRecord(Writer.Code, Record, Writer.AbbrevToUse); 1960 1961 SubStmtEntries[S] = Stream.GetCurrentBitNo(); 1962 } 1963 1964 /// \brief Flush all of the statements that have been added to the 1965 /// queue via AddStmt(). 1966 void ASTWriter::FlushStmts() { 1967 RecordData Record; 1968 1969 // We expect to be the only consumer of the two temporary statement maps, 1970 // assert that they are empty. 1971 assert(SubStmtEntries.empty() && "unexpected entries in sub-stmt map"); 1972 assert(ParentStmts.empty() && "unexpected entries in parent stmt map"); 1973 1974 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1975 WriteSubStmt(StmtsToEmit[I], SubStmtEntries, ParentStmts); 1976 1977 assert(N == StmtsToEmit.size() && 1978 "Substatement written via AddStmt rather than WriteSubStmt!"); 1979 1980 // Note that we are at the end of a full expression. Any 1981 // expression records that follow this one are part of a different 1982 // expression. 1983 Stream.EmitRecord(serialization::STMT_STOP, Record); 1984 1985 SubStmtEntries.clear(); 1986 ParentStmts.clear(); 1987 } 1988 1989 StmtsToEmit.clear(); 1990 } 1991