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 // This file implements serialization for Statements and Expressions. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/Serialization/ASTWriter.h" 15 #include "clang/AST/DeclCXX.h" 16 #include "clang/AST/DeclObjC.h" 17 #include "clang/AST/DeclTemplate.h" 18 #include "clang/AST/StmtVisitor.h" 19 #include "llvm/Bitcode/BitstreamWriter.h" 20 using namespace clang; 21 22 //===----------------------------------------------------------------------===// 23 // Statement/expression serialization 24 //===----------------------------------------------------------------------===// 25 26 namespace clang { 27 class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> { 28 ASTWriter &Writer; 29 ASTWriter::RecordData &Record; 30 31 public: 32 serialization::StmtCode Code; 33 unsigned AbbrevToUse; 34 35 ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record) 36 : Writer(Writer), Record(Record) { } 37 38 void 39 AddExplicitTemplateArgumentList(const ASTTemplateArgumentListInfo &Args); 40 41 void VisitStmt(Stmt *S); 42 #define STMT(Type, Base) \ 43 void Visit##Type(Type *); 44 #include "clang/AST/StmtNodes.inc" 45 }; 46 } 47 48 void ASTStmtWriter:: 49 AddExplicitTemplateArgumentList(const ASTTemplateArgumentListInfo &Args) { 50 Writer.AddSourceLocation(Args.LAngleLoc, Record); 51 Writer.AddSourceLocation(Args.RAngleLoc, Record); 52 for (unsigned i=0; i != Args.NumTemplateArgs; ++i) 53 Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record); 54 } 55 56 void ASTStmtWriter::VisitStmt(Stmt *S) { 57 } 58 59 void ASTStmtWriter::VisitNullStmt(NullStmt *S) { 60 VisitStmt(S); 61 Writer.AddSourceLocation(S->getSemiLoc(), Record); 62 Record.push_back(S->HasLeadingEmptyMacro); 63 Code = serialization::STMT_NULL; 64 } 65 66 void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) { 67 VisitStmt(S); 68 Record.push_back(S->size()); 69 for (CompoundStmt::body_iterator CS = S->body_begin(), CSEnd = S->body_end(); 70 CS != CSEnd; ++CS) 71 Writer.AddStmt(*CS); 72 Writer.AddSourceLocation(S->getLBracLoc(), Record); 73 Writer.AddSourceLocation(S->getRBracLoc(), Record); 74 Code = serialization::STMT_COMPOUND; 75 } 76 77 void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) { 78 VisitStmt(S); 79 Record.push_back(Writer.getSwitchCaseID(S)); 80 } 81 82 void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) { 83 VisitSwitchCase(S); 84 Writer.AddStmt(S->getLHS()); 85 Writer.AddStmt(S->getRHS()); 86 Writer.AddStmt(S->getSubStmt()); 87 Writer.AddSourceLocation(S->getCaseLoc(), Record); 88 Writer.AddSourceLocation(S->getEllipsisLoc(), Record); 89 Writer.AddSourceLocation(S->getColonLoc(), Record); 90 Code = serialization::STMT_CASE; 91 } 92 93 void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) { 94 VisitSwitchCase(S); 95 Writer.AddStmt(S->getSubStmt()); 96 Writer.AddSourceLocation(S->getDefaultLoc(), Record); 97 Writer.AddSourceLocation(S->getColonLoc(), Record); 98 Code = serialization::STMT_DEFAULT; 99 } 100 101 void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) { 102 VisitStmt(S); 103 Writer.AddDeclRef(S->getDecl(), Record); 104 Writer.AddStmt(S->getSubStmt()); 105 Writer.AddSourceLocation(S->getIdentLoc(), Record); 106 Code = serialization::STMT_LABEL; 107 } 108 109 void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 110 VisitStmt(S); 111 Writer.AddDeclRef(S->getConditionVariable(), Record); 112 Writer.AddStmt(S->getCond()); 113 Writer.AddStmt(S->getThen()); 114 Writer.AddStmt(S->getElse()); 115 Writer.AddSourceLocation(S->getIfLoc(), Record); 116 Writer.AddSourceLocation(S->getElseLoc(), Record); 117 Code = serialization::STMT_IF; 118 } 119 120 void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 121 VisitStmt(S); 122 Writer.AddDeclRef(S->getConditionVariable(), Record); 123 Writer.AddStmt(S->getCond()); 124 Writer.AddStmt(S->getBody()); 125 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 126 Record.push_back(S->isAllEnumCasesCovered()); 127 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 128 SC = SC->getNextSwitchCase()) 129 Record.push_back(Writer.RecordSwitchCaseID(SC)); 130 Code = serialization::STMT_SWITCH; 131 } 132 133 void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 134 VisitStmt(S); 135 Writer.AddDeclRef(S->getConditionVariable(), Record); 136 Writer.AddStmt(S->getCond()); 137 Writer.AddStmt(S->getBody()); 138 Writer.AddSourceLocation(S->getWhileLoc(), Record); 139 Code = serialization::STMT_WHILE; 140 } 141 142 void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 143 VisitStmt(S); 144 Writer.AddStmt(S->getCond()); 145 Writer.AddStmt(S->getBody()); 146 Writer.AddSourceLocation(S->getDoLoc(), Record); 147 Writer.AddSourceLocation(S->getWhileLoc(), Record); 148 Writer.AddSourceLocation(S->getRParenLoc(), Record); 149 Code = serialization::STMT_DO; 150 } 151 152 void ASTStmtWriter::VisitForStmt(ForStmt *S) { 153 VisitStmt(S); 154 Writer.AddStmt(S->getInit()); 155 Writer.AddStmt(S->getCond()); 156 Writer.AddDeclRef(S->getConditionVariable(), Record); 157 Writer.AddStmt(S->getInc()); 158 Writer.AddStmt(S->getBody()); 159 Writer.AddSourceLocation(S->getForLoc(), Record); 160 Writer.AddSourceLocation(S->getLParenLoc(), Record); 161 Writer.AddSourceLocation(S->getRParenLoc(), Record); 162 Code = serialization::STMT_FOR; 163 } 164 165 void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 166 VisitStmt(S); 167 Writer.AddDeclRef(S->getLabel(), Record); 168 Writer.AddSourceLocation(S->getGotoLoc(), Record); 169 Writer.AddSourceLocation(S->getLabelLoc(), Record); 170 Code = serialization::STMT_GOTO; 171 } 172 173 void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 174 VisitStmt(S); 175 Writer.AddSourceLocation(S->getGotoLoc(), Record); 176 Writer.AddSourceLocation(S->getStarLoc(), Record); 177 Writer.AddStmt(S->getTarget()); 178 Code = serialization::STMT_INDIRECT_GOTO; 179 } 180 181 void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 182 VisitStmt(S); 183 Writer.AddSourceLocation(S->getContinueLoc(), Record); 184 Code = serialization::STMT_CONTINUE; 185 } 186 187 void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 188 VisitStmt(S); 189 Writer.AddSourceLocation(S->getBreakLoc(), Record); 190 Code = serialization::STMT_BREAK; 191 } 192 193 void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 194 VisitStmt(S); 195 Writer.AddStmt(S->getRetValue()); 196 Writer.AddSourceLocation(S->getReturnLoc(), Record); 197 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 198 Code = serialization::STMT_RETURN; 199 } 200 201 void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 202 VisitStmt(S); 203 Writer.AddSourceLocation(S->getStartLoc(), Record); 204 Writer.AddSourceLocation(S->getEndLoc(), Record); 205 DeclGroupRef DG = S->getDeclGroup(); 206 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 207 Writer.AddDeclRef(*D, Record); 208 Code = serialization::STMT_DECL; 209 } 210 211 void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 212 VisitStmt(S); 213 Record.push_back(S->getNumOutputs()); 214 Record.push_back(S->getNumInputs()); 215 Record.push_back(S->getNumClobbers()); 216 Writer.AddSourceLocation(S->getAsmLoc(), Record); 217 Writer.AddSourceLocation(S->getRParenLoc(), Record); 218 Record.push_back(S->isVolatile()); 219 Record.push_back(S->isSimple()); 220 Record.push_back(S->isMSAsm()); 221 Writer.AddStmt(S->getAsmString()); 222 223 // Outputs 224 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 225 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 226 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 227 Writer.AddStmt(S->getOutputExpr(I)); 228 } 229 230 // Inputs 231 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 232 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 233 Writer.AddStmt(S->getInputConstraintLiteral(I)); 234 Writer.AddStmt(S->getInputExpr(I)); 235 } 236 237 // Clobbers 238 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 239 Writer.AddStmt(S->getClobber(I)); 240 241 Code = serialization::STMT_ASM; 242 } 243 244 void ASTStmtWriter::VisitExpr(Expr *E) { 245 VisitStmt(E); 246 Writer.AddTypeRef(E->getType(), Record); 247 Record.push_back(E->isTypeDependent()); 248 Record.push_back(E->isValueDependent()); 249 Record.push_back(E->isInstantiationDependent()); 250 Record.push_back(E->containsUnexpandedParameterPack()); 251 Record.push_back(E->getValueKind()); 252 Record.push_back(E->getObjectKind()); 253 } 254 255 void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 256 VisitExpr(E); 257 Writer.AddSourceLocation(E->getLocation(), Record); 258 Record.push_back(E->getIdentType()); // FIXME: stable encoding 259 Code = serialization::EXPR_PREDEFINED; 260 } 261 262 void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 263 VisitExpr(E); 264 265 Record.push_back(E->hasQualifier()); 266 Record.push_back(E->getDecl() != E->getFoundDecl()); 267 Record.push_back(E->hasExplicitTemplateArgs()); 268 Record.push_back(E->hadMultipleCandidates()); 269 270 if (E->hasExplicitTemplateArgs()) { 271 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 272 Record.push_back(NumTemplateArgs); 273 } 274 275 DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind()); 276 277 if ((!E->hasExplicitTemplateArgs()) && (!E->hasQualifier()) && 278 (E->getDecl() == E->getFoundDecl()) && 279 nk == DeclarationName::Identifier) { 280 AbbrevToUse = Writer.getDeclRefExprAbbrev(); 281 } 282 283 if (E->hasQualifier()) 284 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 285 286 if (E->getDecl() != E->getFoundDecl()) 287 Writer.AddDeclRef(E->getFoundDecl(), Record); 288 289 if (E->hasExplicitTemplateArgs()) 290 AddExplicitTemplateArgumentList(E->getExplicitTemplateArgs()); 291 292 Writer.AddDeclRef(E->getDecl(), Record); 293 Writer.AddSourceLocation(E->getLocation(), Record); 294 Writer.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record); 295 Code = serialization::EXPR_DECL_REF; 296 } 297 298 void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 299 VisitExpr(E); 300 Writer.AddSourceLocation(E->getLocation(), Record); 301 Writer.AddAPInt(E->getValue(), Record); 302 303 if (E->getValue().getBitWidth() == 32) { 304 AbbrevToUse = Writer.getIntegerLiteralAbbrev(); 305 } 306 307 Code = serialization::EXPR_INTEGER_LITERAL; 308 } 309 310 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 311 VisitExpr(E); 312 Writer.AddAPFloat(E->getValue(), Record); 313 Record.push_back(E->isExact()); 314 Writer.AddSourceLocation(E->getLocation(), Record); 315 Code = serialization::EXPR_FLOATING_LITERAL; 316 } 317 318 void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 319 VisitExpr(E); 320 Writer.AddStmt(E->getSubExpr()); 321 Code = serialization::EXPR_IMAGINARY_LITERAL; 322 } 323 324 void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 325 VisitExpr(E); 326 Record.push_back(E->getByteLength()); 327 Record.push_back(E->getNumConcatenated()); 328 Record.push_back(E->getKind()); 329 Record.push_back(E->isPascal()); 330 // FIXME: String data should be stored as a blob at the end of the 331 // StringLiteral. However, we can't do so now because we have no 332 // provision for coping with abbreviations when we're jumping around 333 // the AST file during deserialization. 334 Record.append(E->getString().begin(), E->getString().end()); 335 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 336 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 337 Code = serialization::EXPR_STRING_LITERAL; 338 } 339 340 void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 341 VisitExpr(E); 342 Record.push_back(E->getValue()); 343 Writer.AddSourceLocation(E->getLocation(), Record); 344 Record.push_back(E->getKind()); 345 346 AbbrevToUse = Writer.getCharacterLiteralAbbrev(); 347 348 Code = serialization::EXPR_CHARACTER_LITERAL; 349 } 350 351 void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 352 VisitExpr(E); 353 Writer.AddSourceLocation(E->getLParen(), Record); 354 Writer.AddSourceLocation(E->getRParen(), Record); 355 Writer.AddStmt(E->getSubExpr()); 356 Code = serialization::EXPR_PAREN; 357 } 358 359 void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 360 VisitExpr(E); 361 Record.push_back(E->NumExprs); 362 for (unsigned i=0; i != E->NumExprs; ++i) 363 Writer.AddStmt(E->Exprs[i]); 364 Writer.AddSourceLocation(E->LParenLoc, Record); 365 Writer.AddSourceLocation(E->RParenLoc, Record); 366 Code = serialization::EXPR_PAREN_LIST; 367 } 368 369 void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 370 VisitExpr(E); 371 Writer.AddStmt(E->getSubExpr()); 372 Record.push_back(E->getOpcode()); // FIXME: stable encoding 373 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 374 Code = serialization::EXPR_UNARY_OPERATOR; 375 } 376 377 void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 378 VisitExpr(E); 379 Record.push_back(E->getNumComponents()); 380 Record.push_back(E->getNumExpressions()); 381 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 382 Writer.AddSourceLocation(E->getRParenLoc(), Record); 383 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 384 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 385 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 386 Record.push_back(ON.getKind()); // FIXME: Stable encoding 387 Writer.AddSourceLocation(ON.getSourceRange().getBegin(), Record); 388 Writer.AddSourceLocation(ON.getSourceRange().getEnd(), Record); 389 switch (ON.getKind()) { 390 case OffsetOfExpr::OffsetOfNode::Array: 391 Record.push_back(ON.getArrayExprIndex()); 392 break; 393 394 case OffsetOfExpr::OffsetOfNode::Field: 395 Writer.AddDeclRef(ON.getField(), Record); 396 break; 397 398 case OffsetOfExpr::OffsetOfNode::Identifier: 399 Writer.AddIdentifierRef(ON.getFieldName(), Record); 400 break; 401 402 case OffsetOfExpr::OffsetOfNode::Base: 403 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 404 break; 405 } 406 } 407 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 408 Writer.AddStmt(E->getIndexExpr(I)); 409 Code = serialization::EXPR_OFFSETOF; 410 } 411 412 void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) { 413 VisitExpr(E); 414 Record.push_back(E->getKind()); 415 if (E->isArgumentType()) 416 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 417 else { 418 Record.push_back(0); 419 Writer.AddStmt(E->getArgumentExpr()); 420 } 421 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 422 Writer.AddSourceLocation(E->getRParenLoc(), Record); 423 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 424 } 425 426 void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 427 VisitExpr(E); 428 Writer.AddStmt(E->getLHS()); 429 Writer.AddStmt(E->getRHS()); 430 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 431 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 432 } 433 434 void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 435 VisitExpr(E); 436 Record.push_back(E->getNumArgs()); 437 Writer.AddSourceLocation(E->getRParenLoc(), Record); 438 Writer.AddStmt(E->getCallee()); 439 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 440 Arg != ArgEnd; ++Arg) 441 Writer.AddStmt(*Arg); 442 Code = serialization::EXPR_CALL; 443 } 444 445 void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 446 // Don't call VisitExpr, we'll write everything here. 447 448 Record.push_back(E->hasQualifier()); 449 if (E->hasQualifier()) 450 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 451 452 Record.push_back(E->hasExplicitTemplateArgs()); 453 if (E->hasExplicitTemplateArgs()) { 454 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 455 Record.push_back(NumTemplateArgs); 456 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 457 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 458 for (unsigned i=0; i != NumTemplateArgs; ++i) 459 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 460 } 461 462 Record.push_back(E->hadMultipleCandidates()); 463 464 DeclAccessPair FoundDecl = E->getFoundDecl(); 465 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 466 Record.push_back(FoundDecl.getAccess()); 467 468 Writer.AddTypeRef(E->getType(), Record); 469 Record.push_back(E->getValueKind()); 470 Record.push_back(E->getObjectKind()); 471 Writer.AddStmt(E->getBase()); 472 Writer.AddDeclRef(E->getMemberDecl(), Record); 473 Writer.AddSourceLocation(E->getMemberLoc(), Record); 474 Record.push_back(E->isArrow()); 475 Writer.AddDeclarationNameLoc(E->MemberDNLoc, 476 E->getMemberDecl()->getDeclName(), Record); 477 Code = serialization::EXPR_MEMBER; 478 } 479 480 void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 481 VisitExpr(E); 482 Writer.AddStmt(E->getBase()); 483 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 484 Record.push_back(E->isArrow()); 485 Code = serialization::EXPR_OBJC_ISA; 486 } 487 488 void ASTStmtWriter:: 489 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) { 490 VisitExpr(E); 491 Writer.AddStmt(E->getSubExpr()); 492 Record.push_back(E->shouldCopy()); 493 Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE; 494 } 495 496 void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) { 497 VisitExplicitCastExpr(E); 498 Writer.AddSourceLocation(E->getLParenLoc(), Record); 499 Writer.AddSourceLocation(E->getBridgeKeywordLoc(), Record); 500 Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding 501 Code = serialization::EXPR_OBJC_BRIDGED_CAST; 502 } 503 504 void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 505 VisitExpr(E); 506 Record.push_back(E->path_size()); 507 Writer.AddStmt(E->getSubExpr()); 508 Record.push_back(E->getCastKind()); // FIXME: stable encoding 509 510 for (CastExpr::path_iterator 511 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 512 Writer.AddCXXBaseSpecifier(**PI, Record); 513 } 514 515 void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 516 VisitExpr(E); 517 Writer.AddStmt(E->getLHS()); 518 Writer.AddStmt(E->getRHS()); 519 Record.push_back(E->getOpcode()); // FIXME: stable encoding 520 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 521 Code = serialization::EXPR_BINARY_OPERATOR; 522 } 523 524 void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 525 VisitBinaryOperator(E); 526 Writer.AddTypeRef(E->getComputationLHSType(), Record); 527 Writer.AddTypeRef(E->getComputationResultType(), Record); 528 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 529 } 530 531 void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 532 VisitExpr(E); 533 Writer.AddStmt(E->getCond()); 534 Writer.AddStmt(E->getLHS()); 535 Writer.AddStmt(E->getRHS()); 536 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 537 Writer.AddSourceLocation(E->getColonLoc(), Record); 538 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 539 } 540 541 void 542 ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) { 543 VisitExpr(E); 544 Writer.AddStmt(E->getOpaqueValue()); 545 Writer.AddStmt(E->getCommon()); 546 Writer.AddStmt(E->getCond()); 547 Writer.AddStmt(E->getTrueExpr()); 548 Writer.AddStmt(E->getFalseExpr()); 549 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 550 Writer.AddSourceLocation(E->getColonLoc(), Record); 551 Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR; 552 } 553 554 void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 555 VisitCastExpr(E); 556 Code = serialization::EXPR_IMPLICIT_CAST; 557 } 558 559 void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 560 VisitCastExpr(E); 561 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 562 } 563 564 void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 565 VisitExplicitCastExpr(E); 566 Writer.AddSourceLocation(E->getLParenLoc(), Record); 567 Writer.AddSourceLocation(E->getRParenLoc(), Record); 568 Code = serialization::EXPR_CSTYLE_CAST; 569 } 570 571 void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 572 VisitExpr(E); 573 Writer.AddSourceLocation(E->getLParenLoc(), Record); 574 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 575 Writer.AddStmt(E->getInitializer()); 576 Record.push_back(E->isFileScope()); 577 Code = serialization::EXPR_COMPOUND_LITERAL; 578 } 579 580 void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 581 VisitExpr(E); 582 Writer.AddStmt(E->getBase()); 583 Writer.AddIdentifierRef(&E->getAccessor(), Record); 584 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 585 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 586 } 587 588 void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 589 VisitExpr(E); 590 Writer.AddStmt(E->getSyntacticForm()); 591 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 592 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 593 bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>(); 594 Record.push_back(isArrayFiller); 595 if (isArrayFiller) 596 Writer.AddStmt(E->getArrayFiller()); 597 else 598 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 599 Record.push_back(E->hadArrayRangeDesignator()); 600 Record.push_back(E->getNumInits()); 601 if (isArrayFiller) { 602 // ArrayFiller may have filled "holes" due to designated initializer. 603 // Replace them by 0 to indicate that the filler goes in that place. 604 Expr *filler = E->getArrayFiller(); 605 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 606 Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : 0); 607 } else { 608 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 609 Writer.AddStmt(E->getInit(I)); 610 } 611 Code = serialization::EXPR_INIT_LIST; 612 } 613 614 void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 615 VisitExpr(E); 616 Record.push_back(E->getNumSubExprs()); 617 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 618 Writer.AddStmt(E->getSubExpr(I)); 619 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 620 Record.push_back(E->usesGNUSyntax()); 621 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 622 DEnd = E->designators_end(); 623 D != DEnd; ++D) { 624 if (D->isFieldDesignator()) { 625 if (FieldDecl *Field = D->getField()) { 626 Record.push_back(serialization::DESIG_FIELD_DECL); 627 Writer.AddDeclRef(Field, Record); 628 } else { 629 Record.push_back(serialization::DESIG_FIELD_NAME); 630 Writer.AddIdentifierRef(D->getFieldName(), Record); 631 } 632 Writer.AddSourceLocation(D->getDotLoc(), Record); 633 Writer.AddSourceLocation(D->getFieldLoc(), Record); 634 } else if (D->isArrayDesignator()) { 635 Record.push_back(serialization::DESIG_ARRAY); 636 Record.push_back(D->getFirstExprIndex()); 637 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 638 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 639 } else { 640 assert(D->isArrayRangeDesignator() && "Unknown designator"); 641 Record.push_back(serialization::DESIG_ARRAY_RANGE); 642 Record.push_back(D->getFirstExprIndex()); 643 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 644 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 645 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 646 } 647 } 648 Code = serialization::EXPR_DESIGNATED_INIT; 649 } 650 651 void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 652 VisitExpr(E); 653 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 654 } 655 656 void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 657 VisitExpr(E); 658 Writer.AddStmt(E->getSubExpr()); 659 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 660 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 661 Writer.AddSourceLocation(E->getRParenLoc(), Record); 662 Code = serialization::EXPR_VA_ARG; 663 } 664 665 void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 666 VisitExpr(E); 667 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 668 Writer.AddSourceLocation(E->getLabelLoc(), Record); 669 Writer.AddDeclRef(E->getLabel(), Record); 670 Code = serialization::EXPR_ADDR_LABEL; 671 } 672 673 void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 674 VisitExpr(E); 675 Writer.AddStmt(E->getSubStmt()); 676 Writer.AddSourceLocation(E->getLParenLoc(), Record); 677 Writer.AddSourceLocation(E->getRParenLoc(), Record); 678 Code = serialization::EXPR_STMT; 679 } 680 681 void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 682 VisitExpr(E); 683 Writer.AddStmt(E->getCond()); 684 Writer.AddStmt(E->getLHS()); 685 Writer.AddStmt(E->getRHS()); 686 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 687 Writer.AddSourceLocation(E->getRParenLoc(), Record); 688 Code = serialization::EXPR_CHOOSE; 689 } 690 691 void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 692 VisitExpr(E); 693 Writer.AddSourceLocation(E->getTokenLocation(), Record); 694 Code = serialization::EXPR_GNU_NULL; 695 } 696 697 void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 698 VisitExpr(E); 699 Record.push_back(E->getNumSubExprs()); 700 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 701 Writer.AddStmt(E->getExpr(I)); 702 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 703 Writer.AddSourceLocation(E->getRParenLoc(), Record); 704 Code = serialization::EXPR_SHUFFLE_VECTOR; 705 } 706 707 void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 708 VisitExpr(E); 709 Writer.AddDeclRef(E->getBlockDecl(), Record); 710 Code = serialization::EXPR_BLOCK; 711 } 712 713 void ASTStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { 714 VisitExpr(E); 715 Writer.AddDeclRef(E->getDecl(), Record); 716 Writer.AddSourceLocation(E->getLocation(), Record); 717 Record.push_back(E->isByRef()); 718 Record.push_back(E->isConstQualAdded()); 719 Code = serialization::EXPR_BLOCK_DECL_REF; 720 } 721 722 void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) { 723 VisitExpr(E); 724 Record.push_back(E->getNumAssocs()); 725 726 Writer.AddStmt(E->getControllingExpr()); 727 for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) { 728 Writer.AddTypeSourceInfo(E->getAssocTypeSourceInfo(I), Record); 729 Writer.AddStmt(E->getAssocExpr(I)); 730 } 731 Record.push_back(E->isResultDependent() ? -1U : E->getResultIndex()); 732 733 Writer.AddSourceLocation(E->getGenericLoc(), Record); 734 Writer.AddSourceLocation(E->getDefaultLoc(), Record); 735 Writer.AddSourceLocation(E->getRParenLoc(), Record); 736 Code = serialization::EXPR_GENERIC_SELECTION; 737 } 738 739 void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) { 740 VisitExpr(E); 741 Record.push_back(E->getOp()); 742 Writer.AddStmt(E->getPtr()); 743 Writer.AddStmt(E->getOrder()); 744 if (E->getOp() != AtomicExpr::Load) 745 Writer.AddStmt(E->getVal1()); 746 if (E->isCmpXChg()) { 747 Writer.AddStmt(E->getOrderFail()); 748 Writer.AddStmt(E->getVal2()); 749 } 750 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 751 Writer.AddSourceLocation(E->getRParenLoc(), Record); 752 } 753 754 //===----------------------------------------------------------------------===// 755 // Objective-C Expressions and Statements. 756 //===----------------------------------------------------------------------===// 757 758 void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 759 VisitExpr(E); 760 Writer.AddStmt(E->getString()); 761 Writer.AddSourceLocation(E->getAtLoc(), Record); 762 Code = serialization::EXPR_OBJC_STRING_LITERAL; 763 } 764 765 void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 766 VisitExpr(E); 767 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 768 Writer.AddSourceLocation(E->getAtLoc(), Record); 769 Writer.AddSourceLocation(E->getRParenLoc(), Record); 770 Code = serialization::EXPR_OBJC_ENCODE; 771 } 772 773 void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 774 VisitExpr(E); 775 Writer.AddSelectorRef(E->getSelector(), Record); 776 Writer.AddSourceLocation(E->getAtLoc(), Record); 777 Writer.AddSourceLocation(E->getRParenLoc(), Record); 778 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 779 } 780 781 void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 782 VisitExpr(E); 783 Writer.AddDeclRef(E->getProtocol(), Record); 784 Writer.AddSourceLocation(E->getAtLoc(), Record); 785 Writer.AddSourceLocation(E->getRParenLoc(), Record); 786 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 787 } 788 789 void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 790 VisitExpr(E); 791 Writer.AddDeclRef(E->getDecl(), Record); 792 Writer.AddSourceLocation(E->getLocation(), Record); 793 Writer.AddStmt(E->getBase()); 794 Record.push_back(E->isArrow()); 795 Record.push_back(E->isFreeIvar()); 796 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 797 } 798 799 void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 800 VisitExpr(E); 801 Record.push_back(E->isImplicitProperty()); 802 if (E->isImplicitProperty()) { 803 Writer.AddDeclRef(E->getImplicitPropertyGetter(), Record); 804 Writer.AddDeclRef(E->getImplicitPropertySetter(), Record); 805 } else { 806 Writer.AddDeclRef(E->getExplicitProperty(), Record); 807 } 808 Writer.AddSourceLocation(E->getLocation(), Record); 809 Writer.AddSourceLocation(E->getReceiverLocation(), Record); 810 if (E->isObjectReceiver()) { 811 Record.push_back(0); 812 Writer.AddStmt(E->getBase()); 813 } else if (E->isSuperReceiver()) { 814 Record.push_back(1); 815 Writer.AddTypeRef(E->getSuperReceiverType(), Record); 816 } else { 817 Record.push_back(2); 818 Writer.AddDeclRef(E->getClassReceiver(), Record); 819 } 820 821 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 822 } 823 824 void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 825 VisitExpr(E); 826 Record.push_back(E->getNumArgs()); 827 Record.push_back(E->getNumStoredSelLocs()); 828 Record.push_back(E->SelLocsKind); 829 Record.push_back(E->isDelegateInitCall()); 830 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 831 switch (E->getReceiverKind()) { 832 case ObjCMessageExpr::Instance: 833 Writer.AddStmt(E->getInstanceReceiver()); 834 break; 835 836 case ObjCMessageExpr::Class: 837 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 838 break; 839 840 case ObjCMessageExpr::SuperClass: 841 case ObjCMessageExpr::SuperInstance: 842 Writer.AddTypeRef(E->getSuperType(), Record); 843 Writer.AddSourceLocation(E->getSuperLoc(), Record); 844 break; 845 } 846 847 if (E->getMethodDecl()) { 848 Record.push_back(1); 849 Writer.AddDeclRef(E->getMethodDecl(), Record); 850 } else { 851 Record.push_back(0); 852 Writer.AddSelectorRef(E->getSelector(), Record); 853 } 854 855 Writer.AddSourceLocation(E->getLeftLoc(), Record); 856 Writer.AddSourceLocation(E->getRightLoc(), Record); 857 858 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 859 Arg != ArgEnd; ++Arg) 860 Writer.AddStmt(*Arg); 861 862 SourceLocation *Locs = E->getStoredSelLocs(); 863 for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i) 864 Writer.AddSourceLocation(Locs[i], Record); 865 866 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 867 } 868 869 void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 870 VisitStmt(S); 871 Writer.AddStmt(S->getElement()); 872 Writer.AddStmt(S->getCollection()); 873 Writer.AddStmt(S->getBody()); 874 Writer.AddSourceLocation(S->getForLoc(), Record); 875 Writer.AddSourceLocation(S->getRParenLoc(), Record); 876 Code = serialization::STMT_OBJC_FOR_COLLECTION; 877 } 878 879 void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 880 Writer.AddStmt(S->getCatchBody()); 881 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 882 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 883 Writer.AddSourceLocation(S->getRParenLoc(), Record); 884 Code = serialization::STMT_OBJC_CATCH; 885 } 886 887 void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 888 Writer.AddStmt(S->getFinallyBody()); 889 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 890 Code = serialization::STMT_OBJC_FINALLY; 891 } 892 893 void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) { 894 Writer.AddStmt(S->getSubStmt()); 895 Writer.AddSourceLocation(S->getAtLoc(), Record); 896 Code = serialization::STMT_OBJC_AUTORELEASE_POOL; 897 } 898 899 void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 900 Record.push_back(S->getNumCatchStmts()); 901 Record.push_back(S->getFinallyStmt() != 0); 902 Writer.AddStmt(S->getTryBody()); 903 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 904 Writer.AddStmt(S->getCatchStmt(I)); 905 if (S->getFinallyStmt()) 906 Writer.AddStmt(S->getFinallyStmt()); 907 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 908 Code = serialization::STMT_OBJC_AT_TRY; 909 } 910 911 void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 912 Writer.AddStmt(S->getSynchExpr()); 913 Writer.AddStmt(S->getSynchBody()); 914 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 915 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 916 } 917 918 void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 919 Writer.AddStmt(S->getThrowExpr()); 920 Writer.AddSourceLocation(S->getThrowLoc(), Record); 921 Code = serialization::STMT_OBJC_AT_THROW; 922 } 923 924 //===----------------------------------------------------------------------===// 925 // C++ Expressions and Statements. 926 //===----------------------------------------------------------------------===// 927 928 void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 929 VisitStmt(S); 930 Writer.AddSourceLocation(S->getCatchLoc(), Record); 931 Writer.AddDeclRef(S->getExceptionDecl(), Record); 932 Writer.AddStmt(S->getHandlerBlock()); 933 Code = serialization::STMT_CXX_CATCH; 934 } 935 936 void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 937 VisitStmt(S); 938 Record.push_back(S->getNumHandlers()); 939 Writer.AddSourceLocation(S->getTryLoc(), Record); 940 Writer.AddStmt(S->getTryBlock()); 941 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 942 Writer.AddStmt(S->getHandler(i)); 943 Code = serialization::STMT_CXX_TRY; 944 } 945 946 void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) { 947 VisitStmt(S); 948 Writer.AddSourceLocation(S->getForLoc(), Record); 949 Writer.AddSourceLocation(S->getColonLoc(), Record); 950 Writer.AddSourceLocation(S->getRParenLoc(), Record); 951 Writer.AddStmt(S->getRangeStmt()); 952 Writer.AddStmt(S->getBeginEndStmt()); 953 Writer.AddStmt(S->getCond()); 954 Writer.AddStmt(S->getInc()); 955 Writer.AddStmt(S->getLoopVarStmt()); 956 Writer.AddStmt(S->getBody()); 957 Code = serialization::STMT_CXX_FOR_RANGE; 958 } 959 960 void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 961 VisitCallExpr(E); 962 Record.push_back(E->getOperator()); 963 Code = serialization::EXPR_CXX_OPERATOR_CALL; 964 } 965 966 void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 967 VisitCallExpr(E); 968 Code = serialization::EXPR_CXX_MEMBER_CALL; 969 } 970 971 void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 972 VisitExpr(E); 973 Record.push_back(E->getNumArgs()); 974 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 975 Writer.AddStmt(E->getArg(I)); 976 Writer.AddDeclRef(E->getConstructor(), Record); 977 Writer.AddSourceLocation(E->getLocation(), Record); 978 Record.push_back(E->isElidable()); 979 Record.push_back(E->hadMultipleCandidates()); 980 Record.push_back(E->requiresZeroInitialization()); 981 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 982 Writer.AddSourceRange(E->getParenRange(), Record); 983 Code = serialization::EXPR_CXX_CONSTRUCT; 984 } 985 986 void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 987 VisitCXXConstructExpr(E); 988 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 989 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 990 } 991 992 void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 993 VisitExplicitCastExpr(E); 994 Writer.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()), 995 Record); 996 } 997 998 void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 999 VisitCXXNamedCastExpr(E); 1000 Code = serialization::EXPR_CXX_STATIC_CAST; 1001 } 1002 1003 void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 1004 VisitCXXNamedCastExpr(E); 1005 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1006 } 1007 1008 void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1009 VisitCXXNamedCastExpr(E); 1010 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1011 } 1012 1013 void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1014 VisitCXXNamedCastExpr(E); 1015 Code = serialization::EXPR_CXX_CONST_CAST; 1016 } 1017 1018 void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1019 VisitExplicitCastExpr(E); 1020 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1021 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1022 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1023 } 1024 1025 void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1026 VisitExpr(E); 1027 Record.push_back(E->getValue()); 1028 Writer.AddSourceLocation(E->getLocation(), Record); 1029 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1030 } 1031 1032 void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1033 VisitExpr(E); 1034 Writer.AddSourceLocation(E->getLocation(), Record); 1035 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1036 } 1037 1038 void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1039 VisitExpr(E); 1040 Writer.AddSourceRange(E->getSourceRange(), Record); 1041 if (E->isTypeOperand()) { 1042 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1043 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1044 } else { 1045 Writer.AddStmt(E->getExprOperand()); 1046 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1047 } 1048 } 1049 1050 void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1051 VisitExpr(E); 1052 Writer.AddSourceLocation(E->getLocation(), Record); 1053 Record.push_back(E->isImplicit()); 1054 Code = serialization::EXPR_CXX_THIS; 1055 } 1056 1057 void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1058 VisitExpr(E); 1059 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1060 Writer.AddStmt(E->getSubExpr()); 1061 Record.push_back(E->isThrownVariableInScope()); 1062 Code = serialization::EXPR_CXX_THROW; 1063 } 1064 1065 void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1066 VisitExpr(E); 1067 1068 bool HasOtherExprStored = E->Param.getInt(); 1069 // Store these first, the reader reads them before creation. 1070 Record.push_back(HasOtherExprStored); 1071 if (HasOtherExprStored) 1072 Writer.AddStmt(E->getExpr()); 1073 Writer.AddDeclRef(E->getParam(), Record); 1074 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1075 1076 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1077 } 1078 1079 void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1080 VisitExpr(E); 1081 Writer.AddCXXTemporary(E->getTemporary(), Record); 1082 Writer.AddStmt(E->getSubExpr()); 1083 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1084 } 1085 1086 void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1087 VisitExpr(E); 1088 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1089 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1090 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1091 } 1092 1093 void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1094 VisitExpr(E); 1095 Record.push_back(E->isGlobalNew()); 1096 Record.push_back(E->hasInitializer()); 1097 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1098 Record.push_back(E->isArray()); 1099 Record.push_back(E->hadMultipleCandidates()); 1100 Record.push_back(E->getNumPlacementArgs()); 1101 Record.push_back(E->getNumConstructorArgs()); 1102 Writer.AddDeclRef(E->getOperatorNew(), Record); 1103 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1104 Writer.AddDeclRef(E->getConstructor(), Record); 1105 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1106 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1107 Writer.AddSourceLocation(E->getStartLoc(), Record); 1108 Writer.AddSourceLocation(E->getEndLoc(), Record); 1109 Writer.AddSourceLocation(E->getConstructorLParen(), Record); 1110 Writer.AddSourceLocation(E->getConstructorRParen(), Record); 1111 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1112 I != e; ++I) 1113 Writer.AddStmt(*I); 1114 1115 Code = serialization::EXPR_CXX_NEW; 1116 } 1117 1118 void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1119 VisitExpr(E); 1120 Record.push_back(E->isGlobalDelete()); 1121 Record.push_back(E->isArrayForm()); 1122 Record.push_back(E->isArrayFormAsWritten()); 1123 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1124 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1125 Writer.AddStmt(E->getArgument()); 1126 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1127 1128 Code = serialization::EXPR_CXX_DELETE; 1129 } 1130 1131 void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1132 VisitExpr(E); 1133 1134 Writer.AddStmt(E->getBase()); 1135 Record.push_back(E->isArrow()); 1136 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1137 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1138 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1139 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1140 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1141 1142 // PseudoDestructorTypeStorage. 1143 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1144 if (E->getDestroyedTypeIdentifier()) 1145 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1146 else 1147 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1148 1149 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1150 } 1151 1152 void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) { 1153 VisitExpr(E); 1154 Record.push_back(E->getNumTemporaries()); 1155 for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i) 1156 Writer.AddCXXTemporary(E->getTemporary(i), Record); 1157 1158 Writer.AddStmt(E->getSubExpr()); 1159 Code = serialization::EXPR_EXPR_WITH_CLEANUPS; 1160 } 1161 1162 void 1163 ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1164 VisitExpr(E); 1165 1166 // Don't emit anything here, hasExplicitTemplateArgs() must be 1167 // emitted first. 1168 1169 Record.push_back(E->hasExplicitTemplateArgs()); 1170 if (E->hasExplicitTemplateArgs()) { 1171 const ASTTemplateArgumentListInfo &Args = E->getExplicitTemplateArgs(); 1172 Record.push_back(Args.NumTemplateArgs); 1173 AddExplicitTemplateArgumentList(Args); 1174 } 1175 1176 if (!E->isImplicitAccess()) 1177 Writer.AddStmt(E->getBase()); 1178 else 1179 Writer.AddStmt(0); 1180 Writer.AddTypeRef(E->getBaseType(), Record); 1181 Record.push_back(E->isArrow()); 1182 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1183 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1184 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1185 Writer.AddDeclarationNameInfo(E->MemberNameInfo, Record); 1186 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1187 } 1188 1189 void 1190 ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1191 VisitExpr(E); 1192 1193 // Don't emit anything here, hasExplicitTemplateArgs() must be 1194 // emitted first. 1195 Record.push_back(E->hasExplicitTemplateArgs()); 1196 if (E->hasExplicitTemplateArgs()) { 1197 const ASTTemplateArgumentListInfo &Args = E->getExplicitTemplateArgs(); 1198 Record.push_back(Args.NumTemplateArgs); 1199 AddExplicitTemplateArgumentList(Args); 1200 } 1201 1202 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1203 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1204 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1205 } 1206 1207 void 1208 ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1209 VisitExpr(E); 1210 Record.push_back(E->arg_size()); 1211 for (CXXUnresolvedConstructExpr::arg_iterator 1212 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1213 Writer.AddStmt(*ArgI); 1214 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1215 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1216 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1217 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1218 } 1219 1220 void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1221 VisitExpr(E); 1222 1223 // Don't emit anything here, hasExplicitTemplateArgs() must be emitted first. 1224 Record.push_back(E->hasExplicitTemplateArgs()); 1225 if (E->hasExplicitTemplateArgs()) { 1226 const ASTTemplateArgumentListInfo &Args = E->getExplicitTemplateArgs(); 1227 Record.push_back(Args.NumTemplateArgs); 1228 AddExplicitTemplateArgumentList(Args); 1229 } 1230 1231 Record.push_back(E->getNumDecls()); 1232 for (OverloadExpr::decls_iterator 1233 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1234 Writer.AddDeclRef(OvI.getDecl(), Record); 1235 Record.push_back(OvI.getAccess()); 1236 } 1237 1238 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1239 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1240 } 1241 1242 void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1243 VisitOverloadExpr(E); 1244 Record.push_back(E->isArrow()); 1245 Record.push_back(E->hasUnresolvedUsing()); 1246 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1247 Writer.AddTypeRef(E->getBaseType(), Record); 1248 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1249 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1250 } 1251 1252 void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1253 VisitOverloadExpr(E); 1254 Record.push_back(E->requiresADL()); 1255 if (E->requiresADL()) 1256 Record.push_back(E->isStdAssociatedNamespace()); 1257 Record.push_back(E->isOverloaded()); 1258 Writer.AddDeclRef(E->getNamingClass(), Record); 1259 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1260 } 1261 1262 void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1263 VisitExpr(E); 1264 Record.push_back(E->getTrait()); 1265 Record.push_back(E->getValue()); 1266 Writer.AddSourceRange(E->getSourceRange(), Record); 1267 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1268 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT; 1269 } 1270 1271 void ASTStmtWriter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) { 1272 VisitExpr(E); 1273 Record.push_back(E->getTrait()); 1274 Record.push_back(E->getValue()); 1275 Writer.AddSourceRange(E->getSourceRange(), Record); 1276 Writer.AddTypeSourceInfo(E->getLhsTypeSourceInfo(), Record); 1277 Writer.AddTypeSourceInfo(E->getRhsTypeSourceInfo(), Record); 1278 Code = serialization::EXPR_BINARY_TYPE_TRAIT; 1279 } 1280 1281 void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { 1282 VisitExpr(E); 1283 Record.push_back(E->getTrait()); 1284 Record.push_back(E->getValue()); 1285 Writer.AddSourceRange(E->getSourceRange(), Record); 1286 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1287 Code = serialization::EXPR_ARRAY_TYPE_TRAIT; 1288 } 1289 1290 void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) { 1291 VisitExpr(E); 1292 Record.push_back(E->getTrait()); 1293 Record.push_back(E->getValue()); 1294 Writer.AddSourceRange(E->getSourceRange(), Record); 1295 Writer.AddStmt(E->getQueriedExpression()); 1296 Code = serialization::EXPR_CXX_EXPRESSION_TRAIT; 1297 } 1298 1299 void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { 1300 VisitExpr(E); 1301 Record.push_back(E->getValue()); 1302 Writer.AddSourceRange(E->getSourceRange(), Record); 1303 Writer.AddStmt(E->getOperand()); 1304 Code = serialization::EXPR_CXX_NOEXCEPT; 1305 } 1306 1307 void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) { 1308 VisitExpr(E); 1309 Writer.AddSourceLocation(E->getEllipsisLoc(), Record); 1310 Record.push_back(E->NumExpansions); 1311 Writer.AddStmt(E->getPattern()); 1312 Code = serialization::EXPR_PACK_EXPANSION; 1313 } 1314 1315 void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) { 1316 VisitExpr(E); 1317 Writer.AddSourceLocation(E->OperatorLoc, Record); 1318 Writer.AddSourceLocation(E->PackLoc, Record); 1319 Writer.AddSourceLocation(E->RParenLoc, Record); 1320 Record.push_back(E->Length); 1321 Writer.AddDeclRef(E->Pack, Record); 1322 Code = serialization::EXPR_SIZEOF_PACK; 1323 } 1324 1325 void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr( 1326 SubstNonTypeTemplateParmExpr *E) { 1327 VisitExpr(E); 1328 Writer.AddDeclRef(E->getParameter(), Record); 1329 Writer.AddSourceLocation(E->getNameLoc(), Record); 1330 Writer.AddStmt(E->getReplacement()); 1331 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM; 1332 } 1333 1334 void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr( 1335 SubstNonTypeTemplateParmPackExpr *E) { 1336 VisitExpr(E); 1337 Writer.AddDeclRef(E->getParameterPack(), Record); 1338 Writer.AddTemplateArgument(E->getArgumentPack(), Record); 1339 Writer.AddSourceLocation(E->getParameterPackLocation(), Record); 1340 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK; 1341 } 1342 1343 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) { 1344 VisitExpr(E); 1345 Writer.AddStmt(E->Temporary); 1346 Code = serialization::EXPR_MATERIALIZE_TEMPORARY; 1347 } 1348 1349 void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) { 1350 VisitExpr(E); 1351 Record.push_back(Writer.getOpaqueValueID(E)); 1352 Writer.AddSourceLocation(E->getLocation(), Record); 1353 Code = serialization::EXPR_OPAQUE_VALUE; 1354 } 1355 1356 //===----------------------------------------------------------------------===// 1357 // CUDA Expressions and Statements. 1358 //===----------------------------------------------------------------------===// 1359 1360 void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) { 1361 VisitCallExpr(E); 1362 Writer.AddStmt(E->getConfig()); 1363 Code = serialization::EXPR_CUDA_KERNEL_CALL; 1364 } 1365 1366 //===----------------------------------------------------------------------===// 1367 // OpenCL Expressions and Statements. 1368 //===----------------------------------------------------------------------===// 1369 void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) { 1370 VisitExpr(E); 1371 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 1372 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1373 Writer.AddStmt(E->getSrcExpr()); 1374 Code = serialization::EXPR_ASTYPE; 1375 } 1376 1377 //===----------------------------------------------------------------------===// 1378 // Microsoft Expressions and Statements. 1379 //===----------------------------------------------------------------------===// 1380 void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1381 VisitExpr(E); 1382 Writer.AddSourceRange(E->getSourceRange(), Record); 1383 if (E->isTypeOperand()) { 1384 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1385 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1386 } else { 1387 Writer.AddStmt(E->getExprOperand()); 1388 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1389 } 1390 } 1391 1392 void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) { 1393 VisitStmt(S); 1394 Writer.AddSourceLocation(S->getExceptLoc(), Record); 1395 Writer.AddStmt(S->getFilterExpr()); 1396 Writer.AddStmt(S->getBlock()); 1397 Code = serialization::STMT_SEH_EXCEPT; 1398 } 1399 1400 void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) { 1401 VisitStmt(S); 1402 Writer.AddSourceLocation(S->getFinallyLoc(), Record); 1403 Writer.AddStmt(S->getBlock()); 1404 Code = serialization::STMT_SEH_FINALLY; 1405 } 1406 1407 void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) { 1408 VisitStmt(S); 1409 Record.push_back(S->getIsCXXTry()); 1410 Writer.AddSourceLocation(S->getTryLoc(), Record); 1411 Writer.AddStmt(S->getTryBlock()); 1412 Writer.AddStmt(S->getHandler()); 1413 Code = serialization::STMT_SEH_TRY; 1414 } 1415 1416 //===----------------------------------------------------------------------===// 1417 // ASTWriter Implementation 1418 //===----------------------------------------------------------------------===// 1419 1420 unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1421 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1422 "SwitchCase recorded twice"); 1423 unsigned NextID = SwitchCaseIDs.size(); 1424 SwitchCaseIDs[S] = NextID; 1425 return NextID; 1426 } 1427 1428 unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1429 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1430 "SwitchCase hasn't been seen yet"); 1431 return SwitchCaseIDs[S]; 1432 } 1433 1434 void ASTWriter::ClearSwitchCaseIDs() { 1435 SwitchCaseIDs.clear(); 1436 } 1437 1438 unsigned ASTWriter::getOpaqueValueID(OpaqueValueExpr *e) { 1439 unsigned &entry = OpaqueValues[e]; 1440 if (!entry) entry = OpaqueValues.size(); 1441 return entry; 1442 } 1443 1444 /// \brief Write the given substatement or subexpression to the 1445 /// bitstream. 1446 void ASTWriter::WriteSubStmt(Stmt *S) { 1447 RecordData Record; 1448 ASTStmtWriter Writer(*this, Record); 1449 ++NumStatements; 1450 1451 if (!S) { 1452 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1453 return; 1454 } 1455 1456 // Redirect ASTWriter::AddStmt to collect sub stmts. 1457 SmallVector<Stmt *, 16> SubStmts; 1458 CollectedStmts = &SubStmts; 1459 1460 Writer.Code = serialization::STMT_NULL_PTR; 1461 Writer.AbbrevToUse = 0; 1462 Writer.Visit(S); 1463 1464 #ifndef NDEBUG 1465 if (Writer.Code == serialization::STMT_NULL_PTR) { 1466 SourceManager &SrcMgr 1467 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1468 S->dump(SrcMgr); 1469 llvm_unreachable("Unhandled sub statement writing AST file"); 1470 } 1471 #endif 1472 1473 // Revert ASTWriter::AddStmt. 1474 CollectedStmts = &StmtsToEmit; 1475 1476 // Write the sub stmts in reverse order, last to first. When reading them back 1477 // we will read them in correct order by "pop"ing them from the Stmts stack. 1478 // This simplifies reading and allows to store a variable number of sub stmts 1479 // without knowing it in advance. 1480 while (!SubStmts.empty()) 1481 WriteSubStmt(SubStmts.pop_back_val()); 1482 1483 Stream.EmitRecord(Writer.Code, Record, Writer.AbbrevToUse); 1484 } 1485 1486 /// \brief Flush all of the statements that have been added to the 1487 /// queue via AddStmt(). 1488 void ASTWriter::FlushStmts() { 1489 RecordData Record; 1490 1491 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1492 WriteSubStmt(StmtsToEmit[I]); 1493 1494 assert(N == StmtsToEmit.size() && 1495 "Substatement written via AddStmt rather than WriteSubStmt!"); 1496 1497 // Note that we are at the end of a full expression. Any 1498 // expression records that follow this one are part of a different 1499 // expression. 1500 Stream.EmitRecord(serialization::STMT_STOP, Record); 1501 } 1502 1503 StmtsToEmit.clear(); 1504 } 1505
