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 AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args); 39 40 void VisitStmt(Stmt *S); 41 #define STMT(Type, Base) \ 42 void Visit##Type(Type *); 43 #include "clang/AST/StmtNodes.inc" 44 }; 45 } 46 47 void ASTStmtWriter:: 48 AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args) { 49 Writer.AddSourceLocation(Args.getTemplateKeywordLoc(), Record); 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::VisitAttributedStmt(AttributedStmt *S) { 110 VisitStmt(S); 111 Writer.WriteAttributes(S->getAttrs(), Record); 112 Writer.AddStmt(S->getSubStmt()); 113 Writer.AddSourceLocation(S->getAttrLoc(), Record); 114 Code = serialization::STMT_ATTRIBUTED; 115 } 116 117 void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 118 VisitStmt(S); 119 Writer.AddDeclRef(S->getConditionVariable(), Record); 120 Writer.AddStmt(S->getCond()); 121 Writer.AddStmt(S->getThen()); 122 Writer.AddStmt(S->getElse()); 123 Writer.AddSourceLocation(S->getIfLoc(), Record); 124 Writer.AddSourceLocation(S->getElseLoc(), Record); 125 Code = serialization::STMT_IF; 126 } 127 128 void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 129 VisitStmt(S); 130 Writer.AddDeclRef(S->getConditionVariable(), Record); 131 Writer.AddStmt(S->getCond()); 132 Writer.AddStmt(S->getBody()); 133 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 134 Record.push_back(S->isAllEnumCasesCovered()); 135 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 136 SC = SC->getNextSwitchCase()) 137 Record.push_back(Writer.RecordSwitchCaseID(SC)); 138 Code = serialization::STMT_SWITCH; 139 } 140 141 void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 142 VisitStmt(S); 143 Writer.AddDeclRef(S->getConditionVariable(), Record); 144 Writer.AddStmt(S->getCond()); 145 Writer.AddStmt(S->getBody()); 146 Writer.AddSourceLocation(S->getWhileLoc(), Record); 147 Code = serialization::STMT_WHILE; 148 } 149 150 void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 151 VisitStmt(S); 152 Writer.AddStmt(S->getCond()); 153 Writer.AddStmt(S->getBody()); 154 Writer.AddSourceLocation(S->getDoLoc(), Record); 155 Writer.AddSourceLocation(S->getWhileLoc(), Record); 156 Writer.AddSourceLocation(S->getRParenLoc(), Record); 157 Code = serialization::STMT_DO; 158 } 159 160 void ASTStmtWriter::VisitForStmt(ForStmt *S) { 161 VisitStmt(S); 162 Writer.AddStmt(S->getInit()); 163 Writer.AddStmt(S->getCond()); 164 Writer.AddDeclRef(S->getConditionVariable(), Record); 165 Writer.AddStmt(S->getInc()); 166 Writer.AddStmt(S->getBody()); 167 Writer.AddSourceLocation(S->getForLoc(), Record); 168 Writer.AddSourceLocation(S->getLParenLoc(), Record); 169 Writer.AddSourceLocation(S->getRParenLoc(), Record); 170 Code = serialization::STMT_FOR; 171 } 172 173 void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 174 VisitStmt(S); 175 Writer.AddDeclRef(S->getLabel(), Record); 176 Writer.AddSourceLocation(S->getGotoLoc(), Record); 177 Writer.AddSourceLocation(S->getLabelLoc(), Record); 178 Code = serialization::STMT_GOTO; 179 } 180 181 void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 182 VisitStmt(S); 183 Writer.AddSourceLocation(S->getGotoLoc(), Record); 184 Writer.AddSourceLocation(S->getStarLoc(), Record); 185 Writer.AddStmt(S->getTarget()); 186 Code = serialization::STMT_INDIRECT_GOTO; 187 } 188 189 void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 190 VisitStmt(S); 191 Writer.AddSourceLocation(S->getContinueLoc(), Record); 192 Code = serialization::STMT_CONTINUE; 193 } 194 195 void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 196 VisitStmt(S); 197 Writer.AddSourceLocation(S->getBreakLoc(), Record); 198 Code = serialization::STMT_BREAK; 199 } 200 201 void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 202 VisitStmt(S); 203 Writer.AddStmt(S->getRetValue()); 204 Writer.AddSourceLocation(S->getReturnLoc(), Record); 205 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 206 Code = serialization::STMT_RETURN; 207 } 208 209 void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 210 VisitStmt(S); 211 Writer.AddSourceLocation(S->getStartLoc(), Record); 212 Writer.AddSourceLocation(S->getEndLoc(), Record); 213 DeclGroupRef DG = S->getDeclGroup(); 214 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 215 Writer.AddDeclRef(*D, Record); 216 Code = serialization::STMT_DECL; 217 } 218 219 void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 220 VisitStmt(S); 221 Record.push_back(S->getNumOutputs()); 222 Record.push_back(S->getNumInputs()); 223 Record.push_back(S->getNumClobbers()); 224 Writer.AddSourceLocation(S->getAsmLoc(), Record); 225 Writer.AddSourceLocation(S->getRParenLoc(), Record); 226 Record.push_back(S->isVolatile()); 227 Record.push_back(S->isSimple()); 228 Record.push_back(S->isMSAsm()); 229 Writer.AddStmt(S->getAsmString()); 230 231 // Outputs 232 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 233 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 234 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 235 Writer.AddStmt(S->getOutputExpr(I)); 236 } 237 238 // Inputs 239 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 240 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 241 Writer.AddStmt(S->getInputConstraintLiteral(I)); 242 Writer.AddStmt(S->getInputExpr(I)); 243 } 244 245 // Clobbers 246 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 247 Writer.AddStmt(S->getClobber(I)); 248 249 Code = serialization::STMT_ASM; 250 } 251 252 void ASTStmtWriter::VisitExpr(Expr *E) { 253 VisitStmt(E); 254 Writer.AddTypeRef(E->getType(), Record); 255 Record.push_back(E->isTypeDependent()); 256 Record.push_back(E->isValueDependent()); 257 Record.push_back(E->isInstantiationDependent()); 258 Record.push_back(E->containsUnexpandedParameterPack()); 259 Record.push_back(E->getValueKind()); 260 Record.push_back(E->getObjectKind()); 261 } 262 263 void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 264 VisitExpr(E); 265 Writer.AddSourceLocation(E->getLocation(), Record); 266 Record.push_back(E->getIdentType()); // FIXME: stable encoding 267 Code = serialization::EXPR_PREDEFINED; 268 } 269 270 void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 271 VisitExpr(E); 272 273 Record.push_back(E->hasQualifier()); 274 Record.push_back(E->getDecl() != E->getFoundDecl()); 275 Record.push_back(E->hasTemplateKWAndArgsInfo()); 276 Record.push_back(E->hadMultipleCandidates()); 277 Record.push_back(E->refersToEnclosingLocal()); 278 279 if (E->hasTemplateKWAndArgsInfo()) { 280 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 281 Record.push_back(NumTemplateArgs); 282 } 283 284 DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind()); 285 286 if ((!E->hasTemplateKWAndArgsInfo()) && (!E->hasQualifier()) && 287 (E->getDecl() == E->getFoundDecl()) && 288 nk == DeclarationName::Identifier) { 289 AbbrevToUse = Writer.getDeclRefExprAbbrev(); 290 } 291 292 if (E->hasQualifier()) 293 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 294 295 if (E->getDecl() != E->getFoundDecl()) 296 Writer.AddDeclRef(E->getFoundDecl(), Record); 297 298 if (E->hasTemplateKWAndArgsInfo()) 299 AddTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo()); 300 301 Writer.AddDeclRef(E->getDecl(), Record); 302 Writer.AddSourceLocation(E->getLocation(), Record); 303 Writer.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record); 304 Code = serialization::EXPR_DECL_REF; 305 } 306 307 void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 308 VisitExpr(E); 309 Writer.AddSourceLocation(E->getLocation(), Record); 310 Writer.AddAPInt(E->getValue(), Record); 311 312 if (E->getValue().getBitWidth() == 32) { 313 AbbrevToUse = Writer.getIntegerLiteralAbbrev(); 314 } 315 316 Code = serialization::EXPR_INTEGER_LITERAL; 317 } 318 319 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 320 VisitExpr(E); 321 Writer.AddAPFloat(E->getValue(), Record); 322 Record.push_back(E->isExact()); 323 Writer.AddSourceLocation(E->getLocation(), Record); 324 Code = serialization::EXPR_FLOATING_LITERAL; 325 } 326 327 void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 328 VisitExpr(E); 329 Writer.AddStmt(E->getSubExpr()); 330 Code = serialization::EXPR_IMAGINARY_LITERAL; 331 } 332 333 void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 334 VisitExpr(E); 335 Record.push_back(E->getByteLength()); 336 Record.push_back(E->getNumConcatenated()); 337 Record.push_back(E->getKind()); 338 Record.push_back(E->isPascal()); 339 // FIXME: String data should be stored as a blob at the end of the 340 // StringLiteral. However, we can't do so now because we have no 341 // provision for coping with abbreviations when we're jumping around 342 // the AST file during deserialization. 343 Record.append(E->getBytes().begin(), E->getBytes().end()); 344 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 345 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 346 Code = serialization::EXPR_STRING_LITERAL; 347 } 348 349 void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 350 VisitExpr(E); 351 Record.push_back(E->getValue()); 352 Writer.AddSourceLocation(E->getLocation(), Record); 353 Record.push_back(E->getKind()); 354 355 AbbrevToUse = Writer.getCharacterLiteralAbbrev(); 356 357 Code = serialization::EXPR_CHARACTER_LITERAL; 358 } 359 360 void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 361 VisitExpr(E); 362 Writer.AddSourceLocation(E->getLParen(), Record); 363 Writer.AddSourceLocation(E->getRParen(), Record); 364 Writer.AddStmt(E->getSubExpr()); 365 Code = serialization::EXPR_PAREN; 366 } 367 368 void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 369 VisitExpr(E); 370 Record.push_back(E->NumExprs); 371 for (unsigned i=0; i != E->NumExprs; ++i) 372 Writer.AddStmt(E->Exprs[i]); 373 Writer.AddSourceLocation(E->LParenLoc, Record); 374 Writer.AddSourceLocation(E->RParenLoc, Record); 375 Code = serialization::EXPR_PAREN_LIST; 376 } 377 378 void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 379 VisitExpr(E); 380 Writer.AddStmt(E->getSubExpr()); 381 Record.push_back(E->getOpcode()); // FIXME: stable encoding 382 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 383 Code = serialization::EXPR_UNARY_OPERATOR; 384 } 385 386 void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 387 VisitExpr(E); 388 Record.push_back(E->getNumComponents()); 389 Record.push_back(E->getNumExpressions()); 390 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 391 Writer.AddSourceLocation(E->getRParenLoc(), Record); 392 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 393 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 394 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 395 Record.push_back(ON.getKind()); // FIXME: Stable encoding 396 Writer.AddSourceLocation(ON.getSourceRange().getBegin(), Record); 397 Writer.AddSourceLocation(ON.getSourceRange().getEnd(), Record); 398 switch (ON.getKind()) { 399 case OffsetOfExpr::OffsetOfNode::Array: 400 Record.push_back(ON.getArrayExprIndex()); 401 break; 402 403 case OffsetOfExpr::OffsetOfNode::Field: 404 Writer.AddDeclRef(ON.getField(), Record); 405 break; 406 407 case OffsetOfExpr::OffsetOfNode::Identifier: 408 Writer.AddIdentifierRef(ON.getFieldName(), Record); 409 break; 410 411 case OffsetOfExpr::OffsetOfNode::Base: 412 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 413 break; 414 } 415 } 416 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 417 Writer.AddStmt(E->getIndexExpr(I)); 418 Code = serialization::EXPR_OFFSETOF; 419 } 420 421 void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) { 422 VisitExpr(E); 423 Record.push_back(E->getKind()); 424 if (E->isArgumentType()) 425 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 426 else { 427 Record.push_back(0); 428 Writer.AddStmt(E->getArgumentExpr()); 429 } 430 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 431 Writer.AddSourceLocation(E->getRParenLoc(), Record); 432 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 433 } 434 435 void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 436 VisitExpr(E); 437 Writer.AddStmt(E->getLHS()); 438 Writer.AddStmt(E->getRHS()); 439 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 440 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 441 } 442 443 void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 444 VisitExpr(E); 445 Record.push_back(E->getNumArgs()); 446 Writer.AddSourceLocation(E->getRParenLoc(), Record); 447 Writer.AddStmt(E->getCallee()); 448 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 449 Arg != ArgEnd; ++Arg) 450 Writer.AddStmt(*Arg); 451 Code = serialization::EXPR_CALL; 452 } 453 454 void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 455 // Don't call VisitExpr, we'll write everything here. 456 457 Record.push_back(E->hasQualifier()); 458 if (E->hasQualifier()) 459 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 460 461 Record.push_back(E->HasTemplateKWAndArgsInfo); 462 if (E->HasTemplateKWAndArgsInfo) { 463 Writer.AddSourceLocation(E->getTemplateKeywordLoc(), Record); 464 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 465 Record.push_back(NumTemplateArgs); 466 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 467 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 468 for (unsigned i=0; i != NumTemplateArgs; ++i) 469 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 470 } 471 472 Record.push_back(E->hadMultipleCandidates()); 473 474 DeclAccessPair FoundDecl = E->getFoundDecl(); 475 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 476 Record.push_back(FoundDecl.getAccess()); 477 478 Writer.AddTypeRef(E->getType(), Record); 479 Record.push_back(E->getValueKind()); 480 Record.push_back(E->getObjectKind()); 481 Writer.AddStmt(E->getBase()); 482 Writer.AddDeclRef(E->getMemberDecl(), Record); 483 Writer.AddSourceLocation(E->getMemberLoc(), Record); 484 Record.push_back(E->isArrow()); 485 Writer.AddDeclarationNameLoc(E->MemberDNLoc, 486 E->getMemberDecl()->getDeclName(), Record); 487 Code = serialization::EXPR_MEMBER; 488 } 489 490 void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 491 VisitExpr(E); 492 Writer.AddStmt(E->getBase()); 493 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 494 Record.push_back(E->isArrow()); 495 Code = serialization::EXPR_OBJC_ISA; 496 } 497 498 void ASTStmtWriter:: 499 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) { 500 VisitExpr(E); 501 Writer.AddStmt(E->getSubExpr()); 502 Record.push_back(E->shouldCopy()); 503 Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE; 504 } 505 506 void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) { 507 VisitExplicitCastExpr(E); 508 Writer.AddSourceLocation(E->getLParenLoc(), Record); 509 Writer.AddSourceLocation(E->getBridgeKeywordLoc(), Record); 510 Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding 511 Code = serialization::EXPR_OBJC_BRIDGED_CAST; 512 } 513 514 void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 515 VisitExpr(E); 516 Record.push_back(E->path_size()); 517 Writer.AddStmt(E->getSubExpr()); 518 Record.push_back(E->getCastKind()); // FIXME: stable encoding 519 520 for (CastExpr::path_iterator 521 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 522 Writer.AddCXXBaseSpecifier(**PI, Record); 523 } 524 525 void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 526 VisitExpr(E); 527 Writer.AddStmt(E->getLHS()); 528 Writer.AddStmt(E->getRHS()); 529 Record.push_back(E->getOpcode()); // FIXME: stable encoding 530 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 531 Code = serialization::EXPR_BINARY_OPERATOR; 532 } 533 534 void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 535 VisitBinaryOperator(E); 536 Writer.AddTypeRef(E->getComputationLHSType(), Record); 537 Writer.AddTypeRef(E->getComputationResultType(), Record); 538 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 539 } 540 541 void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 542 VisitExpr(E); 543 Writer.AddStmt(E->getCond()); 544 Writer.AddStmt(E->getLHS()); 545 Writer.AddStmt(E->getRHS()); 546 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 547 Writer.AddSourceLocation(E->getColonLoc(), Record); 548 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 549 } 550 551 void 552 ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) { 553 VisitExpr(E); 554 Writer.AddStmt(E->getOpaqueValue()); 555 Writer.AddStmt(E->getCommon()); 556 Writer.AddStmt(E->getCond()); 557 Writer.AddStmt(E->getTrueExpr()); 558 Writer.AddStmt(E->getFalseExpr()); 559 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 560 Writer.AddSourceLocation(E->getColonLoc(), Record); 561 Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR; 562 } 563 564 void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 565 VisitCastExpr(E); 566 Code = serialization::EXPR_IMPLICIT_CAST; 567 } 568 569 void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 570 VisitCastExpr(E); 571 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 572 } 573 574 void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 575 VisitExplicitCastExpr(E); 576 Writer.AddSourceLocation(E->getLParenLoc(), Record); 577 Writer.AddSourceLocation(E->getRParenLoc(), Record); 578 Code = serialization::EXPR_CSTYLE_CAST; 579 } 580 581 void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 582 VisitExpr(E); 583 Writer.AddSourceLocation(E->getLParenLoc(), Record); 584 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 585 Writer.AddStmt(E->getInitializer()); 586 Record.push_back(E->isFileScope()); 587 Code = serialization::EXPR_COMPOUND_LITERAL; 588 } 589 590 void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 591 VisitExpr(E); 592 Writer.AddStmt(E->getBase()); 593 Writer.AddIdentifierRef(&E->getAccessor(), Record); 594 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 595 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 596 } 597 598 void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 599 VisitExpr(E); 600 Writer.AddStmt(E->getSyntacticForm()); 601 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 602 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 603 bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>(); 604 Record.push_back(isArrayFiller); 605 if (isArrayFiller) 606 Writer.AddStmt(E->getArrayFiller()); 607 else 608 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 609 Record.push_back(E->hadArrayRangeDesignator()); 610 Record.push_back(E->initializesStdInitializerList()); 611 Record.push_back(E->getNumInits()); 612 if (isArrayFiller) { 613 // ArrayFiller may have filled "holes" due to designated initializer. 614 // Replace them by 0 to indicate that the filler goes in that place. 615 Expr *filler = E->getArrayFiller(); 616 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 617 Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : 0); 618 } else { 619 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 620 Writer.AddStmt(E->getInit(I)); 621 } 622 Code = serialization::EXPR_INIT_LIST; 623 } 624 625 void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 626 VisitExpr(E); 627 Record.push_back(E->getNumSubExprs()); 628 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 629 Writer.AddStmt(E->getSubExpr(I)); 630 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 631 Record.push_back(E->usesGNUSyntax()); 632 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 633 DEnd = E->designators_end(); 634 D != DEnd; ++D) { 635 if (D->isFieldDesignator()) { 636 if (FieldDecl *Field = D->getField()) { 637 Record.push_back(serialization::DESIG_FIELD_DECL); 638 Writer.AddDeclRef(Field, Record); 639 } else { 640 Record.push_back(serialization::DESIG_FIELD_NAME); 641 Writer.AddIdentifierRef(D->getFieldName(), Record); 642 } 643 Writer.AddSourceLocation(D->getDotLoc(), Record); 644 Writer.AddSourceLocation(D->getFieldLoc(), Record); 645 } else if (D->isArrayDesignator()) { 646 Record.push_back(serialization::DESIG_ARRAY); 647 Record.push_back(D->getFirstExprIndex()); 648 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 649 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 650 } else { 651 assert(D->isArrayRangeDesignator() && "Unknown designator"); 652 Record.push_back(serialization::DESIG_ARRAY_RANGE); 653 Record.push_back(D->getFirstExprIndex()); 654 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 655 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 656 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 657 } 658 } 659 Code = serialization::EXPR_DESIGNATED_INIT; 660 } 661 662 void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 663 VisitExpr(E); 664 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 665 } 666 667 void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 668 VisitExpr(E); 669 Writer.AddStmt(E->getSubExpr()); 670 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 671 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 672 Writer.AddSourceLocation(E->getRParenLoc(), Record); 673 Code = serialization::EXPR_VA_ARG; 674 } 675 676 void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 677 VisitExpr(E); 678 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 679 Writer.AddSourceLocation(E->getLabelLoc(), Record); 680 Writer.AddDeclRef(E->getLabel(), Record); 681 Code = serialization::EXPR_ADDR_LABEL; 682 } 683 684 void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 685 VisitExpr(E); 686 Writer.AddStmt(E->getSubStmt()); 687 Writer.AddSourceLocation(E->getLParenLoc(), Record); 688 Writer.AddSourceLocation(E->getRParenLoc(), Record); 689 Code = serialization::EXPR_STMT; 690 } 691 692 void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 693 VisitExpr(E); 694 Writer.AddStmt(E->getCond()); 695 Writer.AddStmt(E->getLHS()); 696 Writer.AddStmt(E->getRHS()); 697 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 698 Writer.AddSourceLocation(E->getRParenLoc(), Record); 699 Code = serialization::EXPR_CHOOSE; 700 } 701 702 void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 703 VisitExpr(E); 704 Writer.AddSourceLocation(E->getTokenLocation(), Record); 705 Code = serialization::EXPR_GNU_NULL; 706 } 707 708 void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 709 VisitExpr(E); 710 Record.push_back(E->getNumSubExprs()); 711 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 712 Writer.AddStmt(E->getExpr(I)); 713 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 714 Writer.AddSourceLocation(E->getRParenLoc(), Record); 715 Code = serialization::EXPR_SHUFFLE_VECTOR; 716 } 717 718 void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 719 VisitExpr(E); 720 Writer.AddDeclRef(E->getBlockDecl(), Record); 721 Code = serialization::EXPR_BLOCK; 722 } 723 724 void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) { 725 VisitExpr(E); 726 Record.push_back(E->getNumAssocs()); 727 728 Writer.AddStmt(E->getControllingExpr()); 729 for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) { 730 Writer.AddTypeSourceInfo(E->getAssocTypeSourceInfo(I), Record); 731 Writer.AddStmt(E->getAssocExpr(I)); 732 } 733 Record.push_back(E->isResultDependent() ? -1U : E->getResultIndex()); 734 735 Writer.AddSourceLocation(E->getGenericLoc(), Record); 736 Writer.AddSourceLocation(E->getDefaultLoc(), Record); 737 Writer.AddSourceLocation(E->getRParenLoc(), Record); 738 Code = serialization::EXPR_GENERIC_SELECTION; 739 } 740 741 void ASTStmtWriter::VisitPseudoObjectExpr(PseudoObjectExpr *E) { 742 VisitExpr(E); 743 Record.push_back(E->getNumSemanticExprs()); 744 745 // Push the result index. Currently, this needs to exactly match 746 // the encoding used internally for ResultIndex. 747 unsigned result = E->getResultExprIndex(); 748 result = (result == PseudoObjectExpr::NoResult ? 0 : result + 1); 749 Record.push_back(result); 750 751 Writer.AddStmt(E->getSyntacticForm()); 752 for (PseudoObjectExpr::semantics_iterator 753 i = E->semantics_begin(), e = E->semantics_end(); i != e; ++i) { 754 Writer.AddStmt(*i); 755 } 756 Code = serialization::EXPR_PSEUDO_OBJECT; 757 } 758 759 void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) { 760 VisitExpr(E); 761 Record.push_back(E->getOp()); 762 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 763 Writer.AddStmt(E->getSubExprs()[I]); 764 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 765 Writer.AddSourceLocation(E->getRParenLoc(), Record); 766 Code = serialization::EXPR_ATOMIC; 767 } 768 769 //===----------------------------------------------------------------------===// 770 // Objective-C Expressions and Statements. 771 //===----------------------------------------------------------------------===// 772 773 void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 774 VisitExpr(E); 775 Writer.AddStmt(E->getString()); 776 Writer.AddSourceLocation(E->getAtLoc(), Record); 777 Code = serialization::EXPR_OBJC_STRING_LITERAL; 778 } 779 780 void ASTStmtWriter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) { 781 VisitExpr(E); 782 Writer.AddStmt(E->getSubExpr()); 783 Writer.AddDeclRef(E->getBoxingMethod(), Record); 784 Writer.AddSourceRange(E->getSourceRange(), Record); 785 Code = serialization::EXPR_OBJC_BOXED_EXPRESSION; 786 } 787 788 void ASTStmtWriter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) { 789 VisitExpr(E); 790 Record.push_back(E->getNumElements()); 791 for (unsigned i = 0; i < E->getNumElements(); i++) 792 Writer.AddStmt(E->getElement(i)); 793 Writer.AddDeclRef(E->getArrayWithObjectsMethod(), Record); 794 Writer.AddSourceRange(E->getSourceRange(), Record); 795 Code = serialization::EXPR_OBJC_ARRAY_LITERAL; 796 } 797 798 void ASTStmtWriter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) { 799 VisitExpr(E); 800 Record.push_back(E->getNumElements()); 801 Record.push_back(E->HasPackExpansions); 802 for (unsigned i = 0; i < E->getNumElements(); i++) { 803 ObjCDictionaryElement Element = E->getKeyValueElement(i); 804 Writer.AddStmt(Element.Key); 805 Writer.AddStmt(Element.Value); 806 if (E->HasPackExpansions) { 807 Writer.AddSourceLocation(Element.EllipsisLoc, Record); 808 unsigned NumExpansions = 0; 809 if (Element.NumExpansions) 810 NumExpansions = *Element.NumExpansions + 1; 811 Record.push_back(NumExpansions); 812 } 813 } 814 815 Writer.AddDeclRef(E->getDictWithObjectsMethod(), Record); 816 Writer.AddSourceRange(E->getSourceRange(), Record); 817 Code = serialization::EXPR_OBJC_DICTIONARY_LITERAL; 818 } 819 820 void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 821 VisitExpr(E); 822 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 823 Writer.AddSourceLocation(E->getAtLoc(), Record); 824 Writer.AddSourceLocation(E->getRParenLoc(), Record); 825 Code = serialization::EXPR_OBJC_ENCODE; 826 } 827 828 void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 829 VisitExpr(E); 830 Writer.AddSelectorRef(E->getSelector(), Record); 831 Writer.AddSourceLocation(E->getAtLoc(), Record); 832 Writer.AddSourceLocation(E->getRParenLoc(), Record); 833 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 834 } 835 836 void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 837 VisitExpr(E); 838 Writer.AddDeclRef(E->getProtocol(), Record); 839 Writer.AddSourceLocation(E->getAtLoc(), Record); 840 Writer.AddSourceLocation(E->getRParenLoc(), Record); 841 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 842 } 843 844 void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 845 VisitExpr(E); 846 Writer.AddDeclRef(E->getDecl(), Record); 847 Writer.AddSourceLocation(E->getLocation(), Record); 848 Writer.AddStmt(E->getBase()); 849 Record.push_back(E->isArrow()); 850 Record.push_back(E->isFreeIvar()); 851 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 852 } 853 854 void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 855 VisitExpr(E); 856 Record.push_back(E->SetterAndMethodRefFlags.getInt()); 857 Record.push_back(E->isImplicitProperty()); 858 if (E->isImplicitProperty()) { 859 Writer.AddDeclRef(E->getImplicitPropertyGetter(), Record); 860 Writer.AddDeclRef(E->getImplicitPropertySetter(), Record); 861 } else { 862 Writer.AddDeclRef(E->getExplicitProperty(), Record); 863 } 864 Writer.AddSourceLocation(E->getLocation(), Record); 865 Writer.AddSourceLocation(E->getReceiverLocation(), Record); 866 if (E->isObjectReceiver()) { 867 Record.push_back(0); 868 Writer.AddStmt(E->getBase()); 869 } else if (E->isSuperReceiver()) { 870 Record.push_back(1); 871 Writer.AddTypeRef(E->getSuperReceiverType(), Record); 872 } else { 873 Record.push_back(2); 874 Writer.AddDeclRef(E->getClassReceiver(), Record); 875 } 876 877 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 878 } 879 880 void ASTStmtWriter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) { 881 VisitExpr(E); 882 Writer.AddSourceLocation(E->getRBracket(), Record); 883 Writer.AddStmt(E->getBaseExpr()); 884 Writer.AddStmt(E->getKeyExpr()); 885 Writer.AddDeclRef(E->getAtIndexMethodDecl(), Record); 886 Writer.AddDeclRef(E->setAtIndexMethodDecl(), Record); 887 888 Code = serialization::EXPR_OBJC_SUBSCRIPT_REF_EXPR; 889 } 890 891 void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 892 VisitExpr(E); 893 Record.push_back(E->getNumArgs()); 894 Record.push_back(E->getNumStoredSelLocs()); 895 Record.push_back(E->SelLocsKind); 896 Record.push_back(E->isDelegateInitCall()); 897 Record.push_back(E->IsImplicit); 898 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 899 switch (E->getReceiverKind()) { 900 case ObjCMessageExpr::Instance: 901 Writer.AddStmt(E->getInstanceReceiver()); 902 break; 903 904 case ObjCMessageExpr::Class: 905 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 906 break; 907 908 case ObjCMessageExpr::SuperClass: 909 case ObjCMessageExpr::SuperInstance: 910 Writer.AddTypeRef(E->getSuperType(), Record); 911 Writer.AddSourceLocation(E->getSuperLoc(), Record); 912 break; 913 } 914 915 if (E->getMethodDecl()) { 916 Record.push_back(1); 917 Writer.AddDeclRef(E->getMethodDecl(), Record); 918 } else { 919 Record.push_back(0); 920 Writer.AddSelectorRef(E->getSelector(), Record); 921 } 922 923 Writer.AddSourceLocation(E->getLeftLoc(), Record); 924 Writer.AddSourceLocation(E->getRightLoc(), Record); 925 926 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 927 Arg != ArgEnd; ++Arg) 928 Writer.AddStmt(*Arg); 929 930 SourceLocation *Locs = E->getStoredSelLocs(); 931 for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i) 932 Writer.AddSourceLocation(Locs[i], Record); 933 934 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 935 } 936 937 void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 938 VisitStmt(S); 939 Writer.AddStmt(S->getElement()); 940 Writer.AddStmt(S->getCollection()); 941 Writer.AddStmt(S->getBody()); 942 Writer.AddSourceLocation(S->getForLoc(), Record); 943 Writer.AddSourceLocation(S->getRParenLoc(), Record); 944 Code = serialization::STMT_OBJC_FOR_COLLECTION; 945 } 946 947 void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 948 Writer.AddStmt(S->getCatchBody()); 949 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 950 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 951 Writer.AddSourceLocation(S->getRParenLoc(), Record); 952 Code = serialization::STMT_OBJC_CATCH; 953 } 954 955 void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 956 Writer.AddStmt(S->getFinallyBody()); 957 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 958 Code = serialization::STMT_OBJC_FINALLY; 959 } 960 961 void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) { 962 Writer.AddStmt(S->getSubStmt()); 963 Writer.AddSourceLocation(S->getAtLoc(), Record); 964 Code = serialization::STMT_OBJC_AUTORELEASE_POOL; 965 } 966 967 void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 968 Record.push_back(S->getNumCatchStmts()); 969 Record.push_back(S->getFinallyStmt() != 0); 970 Writer.AddStmt(S->getTryBody()); 971 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 972 Writer.AddStmt(S->getCatchStmt(I)); 973 if (S->getFinallyStmt()) 974 Writer.AddStmt(S->getFinallyStmt()); 975 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 976 Code = serialization::STMT_OBJC_AT_TRY; 977 } 978 979 void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 980 Writer.AddStmt(S->getSynchExpr()); 981 Writer.AddStmt(S->getSynchBody()); 982 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 983 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 984 } 985 986 void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 987 Writer.AddStmt(S->getThrowExpr()); 988 Writer.AddSourceLocation(S->getThrowLoc(), Record); 989 Code = serialization::STMT_OBJC_AT_THROW; 990 } 991 992 void ASTStmtWriter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) { 993 VisitExpr(E); 994 Record.push_back(E->getValue()); 995 Writer.AddSourceLocation(E->getLocation(), Record); 996 Code = serialization::EXPR_OBJC_BOOL_LITERAL; 997 } 998 999 //===----------------------------------------------------------------------===// 1000 // C++ Expressions and Statements. 1001 //===----------------------------------------------------------------------===// 1002 1003 void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 1004 VisitStmt(S); 1005 Writer.AddSourceLocation(S->getCatchLoc(), Record); 1006 Writer.AddDeclRef(S->getExceptionDecl(), Record); 1007 Writer.AddStmt(S->getHandlerBlock()); 1008 Code = serialization::STMT_CXX_CATCH; 1009 } 1010 1011 void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 1012 VisitStmt(S); 1013 Record.push_back(S->getNumHandlers()); 1014 Writer.AddSourceLocation(S->getTryLoc(), Record); 1015 Writer.AddStmt(S->getTryBlock()); 1016 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 1017 Writer.AddStmt(S->getHandler(i)); 1018 Code = serialization::STMT_CXX_TRY; 1019 } 1020 1021 void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) { 1022 VisitStmt(S); 1023 Writer.AddSourceLocation(S->getForLoc(), Record); 1024 Writer.AddSourceLocation(S->getColonLoc(), Record); 1025 Writer.AddSourceLocation(S->getRParenLoc(), Record); 1026 Writer.AddStmt(S->getRangeStmt()); 1027 Writer.AddStmt(S->getBeginEndStmt()); 1028 Writer.AddStmt(S->getCond()); 1029 Writer.AddStmt(S->getInc()); 1030 Writer.AddStmt(S->getLoopVarStmt()); 1031 Writer.AddStmt(S->getBody()); 1032 Code = serialization::STMT_CXX_FOR_RANGE; 1033 } 1034 1035 void ASTStmtWriter::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) { 1036 VisitStmt(S); 1037 Writer.AddSourceLocation(S->getKeywordLoc(), Record); 1038 Record.push_back(S->isIfExists()); 1039 Writer.AddNestedNameSpecifierLoc(S->getQualifierLoc(), Record); 1040 Writer.AddDeclarationNameInfo(S->getNameInfo(), Record); 1041 Writer.AddStmt(S->getSubStmt()); 1042 Code = serialization::STMT_MS_DEPENDENT_EXISTS; 1043 } 1044 1045 void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 1046 VisitCallExpr(E); 1047 Record.push_back(E->getOperator()); 1048 Code = serialization::EXPR_CXX_OPERATOR_CALL; 1049 } 1050 1051 void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 1052 VisitCallExpr(E); 1053 Code = serialization::EXPR_CXX_MEMBER_CALL; 1054 } 1055 1056 void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 1057 VisitExpr(E); 1058 Record.push_back(E->getNumArgs()); 1059 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 1060 Writer.AddStmt(E->getArg(I)); 1061 Writer.AddDeclRef(E->getConstructor(), Record); 1062 Writer.AddSourceLocation(E->getLocation(), Record); 1063 Record.push_back(E->isElidable()); 1064 Record.push_back(E->hadMultipleCandidates()); 1065 Record.push_back(E->requiresZeroInitialization()); 1066 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 1067 Writer.AddSourceRange(E->getParenRange(), Record); 1068 Code = serialization::EXPR_CXX_CONSTRUCT; 1069 } 1070 1071 void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 1072 VisitCXXConstructExpr(E); 1073 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1074 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 1075 } 1076 1077 void ASTStmtWriter::VisitLambdaExpr(LambdaExpr *E) { 1078 VisitExpr(E); 1079 Record.push_back(E->NumCaptures); 1080 unsigned NumArrayIndexVars = 0; 1081 if (E->HasArrayIndexVars) 1082 NumArrayIndexVars = E->getArrayIndexStarts()[E->NumCaptures]; 1083 Record.push_back(NumArrayIndexVars); 1084 Writer.AddSourceRange(E->IntroducerRange, Record); 1085 Record.push_back(E->CaptureDefault); // FIXME: stable encoding 1086 Record.push_back(E->ExplicitParams); 1087 Record.push_back(E->ExplicitResultType); 1088 Writer.AddSourceLocation(E->ClosingBrace, Record); 1089 1090 // Add capture initializers. 1091 for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(), 1092 CEnd = E->capture_init_end(); 1093 C != CEnd; ++C) { 1094 Writer.AddStmt(*C); 1095 } 1096 1097 // Add array index variables, if any. 1098 if (NumArrayIndexVars) { 1099 Record.append(E->getArrayIndexStarts(), 1100 E->getArrayIndexStarts() + E->NumCaptures + 1); 1101 VarDecl **ArrayIndexVars = E->getArrayIndexVars(); 1102 for (unsigned I = 0; I != NumArrayIndexVars; ++I) 1103 Writer.AddDeclRef(ArrayIndexVars[I], Record); 1104 } 1105 1106 Code = serialization::EXPR_LAMBDA; 1107 } 1108 1109 void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 1110 VisitExplicitCastExpr(E); 1111 Writer.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()), 1112 Record); 1113 } 1114 1115 void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 1116 VisitCXXNamedCastExpr(E); 1117 Code = serialization::EXPR_CXX_STATIC_CAST; 1118 } 1119 1120 void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 1121 VisitCXXNamedCastExpr(E); 1122 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1123 } 1124 1125 void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1126 VisitCXXNamedCastExpr(E); 1127 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1128 } 1129 1130 void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1131 VisitCXXNamedCastExpr(E); 1132 Code = serialization::EXPR_CXX_CONST_CAST; 1133 } 1134 1135 void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1136 VisitExplicitCastExpr(E); 1137 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1138 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1139 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1140 } 1141 1142 void ASTStmtWriter::VisitUserDefinedLiteral(UserDefinedLiteral *E) { 1143 VisitCallExpr(E); 1144 Writer.AddSourceLocation(E->UDSuffixLoc, Record); 1145 Code = serialization::EXPR_USER_DEFINED_LITERAL; 1146 } 1147 1148 void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1149 VisitExpr(E); 1150 Record.push_back(E->getValue()); 1151 Writer.AddSourceLocation(E->getLocation(), Record); 1152 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1153 } 1154 1155 void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1156 VisitExpr(E); 1157 Writer.AddSourceLocation(E->getLocation(), Record); 1158 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1159 } 1160 1161 void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1162 VisitExpr(E); 1163 Writer.AddSourceRange(E->getSourceRange(), Record); 1164 if (E->isTypeOperand()) { 1165 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1166 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1167 } else { 1168 Writer.AddStmt(E->getExprOperand()); 1169 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1170 } 1171 } 1172 1173 void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1174 VisitExpr(E); 1175 Writer.AddSourceLocation(E->getLocation(), Record); 1176 Record.push_back(E->isImplicit()); 1177 Code = serialization::EXPR_CXX_THIS; 1178 } 1179 1180 void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1181 VisitExpr(E); 1182 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1183 Writer.AddStmt(E->getSubExpr()); 1184 Record.push_back(E->isThrownVariableInScope()); 1185 Code = serialization::EXPR_CXX_THROW; 1186 } 1187 1188 void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1189 VisitExpr(E); 1190 1191 bool HasOtherExprStored = E->Param.getInt(); 1192 // Store these first, the reader reads them before creation. 1193 Record.push_back(HasOtherExprStored); 1194 if (HasOtherExprStored) 1195 Writer.AddStmt(E->getExpr()); 1196 Writer.AddDeclRef(E->getParam(), Record); 1197 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1198 1199 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1200 } 1201 1202 void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1203 VisitExpr(E); 1204 Writer.AddCXXTemporary(E->getTemporary(), Record); 1205 Writer.AddStmt(E->getSubExpr()); 1206 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1207 } 1208 1209 void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1210 VisitExpr(E); 1211 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1212 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1213 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1214 } 1215 1216 void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1217 VisitExpr(E); 1218 Record.push_back(E->isGlobalNew()); 1219 Record.push_back(E->isArray()); 1220 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1221 Record.push_back(E->getNumPlacementArgs()); 1222 Record.push_back(E->StoredInitializationStyle); 1223 Writer.AddDeclRef(E->getOperatorNew(), Record); 1224 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1225 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1226 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1227 Writer.AddSourceLocation(E->getStartLoc(), Record); 1228 Writer.AddSourceRange(E->getDirectInitRange(), Record); 1229 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1230 I != e; ++I) 1231 Writer.AddStmt(*I); 1232 1233 Code = serialization::EXPR_CXX_NEW; 1234 } 1235 1236 void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1237 VisitExpr(E); 1238 Record.push_back(E->isGlobalDelete()); 1239 Record.push_back(E->isArrayForm()); 1240 Record.push_back(E->isArrayFormAsWritten()); 1241 Record.push_back(E->doesUsualArrayDeleteWantSize()); 1242 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1243 Writer.AddStmt(E->getArgument()); 1244 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1245 1246 Code = serialization::EXPR_CXX_DELETE; 1247 } 1248 1249 void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1250 VisitExpr(E); 1251 1252 Writer.AddStmt(E->getBase()); 1253 Record.push_back(E->isArrow()); 1254 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1255 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1256 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1257 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1258 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1259 1260 // PseudoDestructorTypeStorage. 1261 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1262 if (E->getDestroyedTypeIdentifier()) 1263 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1264 else 1265 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1266 1267 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1268 } 1269 1270 void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) { 1271 VisitExpr(E); 1272 Record.push_back(E->getNumObjects()); 1273 for (unsigned i = 0, e = E->getNumObjects(); i != e; ++i) 1274 Writer.AddDeclRef(E->getObject(i), Record); 1275 1276 Writer.AddStmt(E->getSubExpr()); 1277 Code = serialization::EXPR_EXPR_WITH_CLEANUPS; 1278 } 1279 1280 void 1281 ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1282 VisitExpr(E); 1283 1284 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1285 // emitted first. 1286 1287 Record.push_back(E->HasTemplateKWAndArgsInfo); 1288 if (E->HasTemplateKWAndArgsInfo) { 1289 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1290 Record.push_back(Args.NumTemplateArgs); 1291 AddTemplateKWAndArgsInfo(Args); 1292 } 1293 1294 if (!E->isImplicitAccess()) 1295 Writer.AddStmt(E->getBase()); 1296 else 1297 Writer.AddStmt(0); 1298 Writer.AddTypeRef(E->getBaseType(), Record); 1299 Record.push_back(E->isArrow()); 1300 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1301 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1302 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1303 Writer.AddDeclarationNameInfo(E->MemberNameInfo, Record); 1304 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1305 } 1306 1307 void 1308 ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1309 VisitExpr(E); 1310 1311 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1312 // emitted first. 1313 1314 Record.push_back(E->HasTemplateKWAndArgsInfo); 1315 if (E->HasTemplateKWAndArgsInfo) { 1316 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1317 Record.push_back(Args.NumTemplateArgs); 1318 AddTemplateKWAndArgsInfo(Args); 1319 } 1320 1321 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1322 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1323 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1324 } 1325 1326 void 1327 ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1328 VisitExpr(E); 1329 Record.push_back(E->arg_size()); 1330 for (CXXUnresolvedConstructExpr::arg_iterator 1331 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1332 Writer.AddStmt(*ArgI); 1333 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1334 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1335 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1336 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1337 } 1338 1339 void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1340 VisitExpr(E); 1341 1342 // Don't emit anything here, HasTemplateKWAndArgsInfo must be 1343 // emitted first. 1344 1345 Record.push_back(E->HasTemplateKWAndArgsInfo); 1346 if (E->HasTemplateKWAndArgsInfo) { 1347 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo(); 1348 Record.push_back(Args.NumTemplateArgs); 1349 AddTemplateKWAndArgsInfo(Args); 1350 } 1351 1352 Record.push_back(E->getNumDecls()); 1353 for (OverloadExpr::decls_iterator 1354 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1355 Writer.AddDeclRef(OvI.getDecl(), Record); 1356 Record.push_back(OvI.getAccess()); 1357 } 1358 1359 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1360 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record); 1361 } 1362 1363 void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1364 VisitOverloadExpr(E); 1365 Record.push_back(E->isArrow()); 1366 Record.push_back(E->hasUnresolvedUsing()); 1367 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1368 Writer.AddTypeRef(E->getBaseType(), Record); 1369 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1370 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1371 } 1372 1373 void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1374 VisitOverloadExpr(E); 1375 Record.push_back(E->requiresADL()); 1376 if (E->requiresADL()) 1377 Record.push_back(E->isStdAssociatedNamespace()); 1378 Record.push_back(E->isOverloaded()); 1379 Writer.AddDeclRef(E->getNamingClass(), Record); 1380 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1381 } 1382 1383 void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1384 VisitExpr(E); 1385 Record.push_back(E->getTrait()); 1386 Record.push_back(E->getValue()); 1387 Writer.AddSourceRange(E->getSourceRange(), Record); 1388 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1389 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT; 1390 } 1391 1392 void ASTStmtWriter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) { 1393 VisitExpr(E); 1394 Record.push_back(E->getTrait()); 1395 Record.push_back(E->getValue()); 1396 Writer.AddSourceRange(E->getSourceRange(), Record); 1397 Writer.AddTypeSourceInfo(E->getLhsTypeSourceInfo(), Record); 1398 Writer.AddTypeSourceInfo(E->getRhsTypeSourceInfo(), Record); 1399 Code = serialization::EXPR_BINARY_TYPE_TRAIT; 1400 } 1401 1402 void ASTStmtWriter::VisitTypeTraitExpr(TypeTraitExpr *E) { 1403 VisitExpr(E); 1404 Record.push_back(E->TypeTraitExprBits.NumArgs); 1405 Record.push_back(E->TypeTraitExprBits.Kind); // FIXME: Stable encoding 1406 Record.push_back(E->TypeTraitExprBits.Value); 1407 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 1408 Writer.AddTypeSourceInfo(E->getArg(I), Record); 1409 Code = serialization::EXPR_TYPE_TRAIT; 1410 } 1411 1412 void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) { 1413 VisitExpr(E); 1414 Record.push_back(E->getTrait()); 1415 Record.push_back(E->getValue()); 1416 Writer.AddSourceRange(E->getSourceRange(), Record); 1417 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1418 Code = serialization::EXPR_ARRAY_TYPE_TRAIT; 1419 } 1420 1421 void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) { 1422 VisitExpr(E); 1423 Record.push_back(E->getTrait()); 1424 Record.push_back(E->getValue()); 1425 Writer.AddSourceRange(E->getSourceRange(), Record); 1426 Writer.AddStmt(E->getQueriedExpression()); 1427 Code = serialization::EXPR_CXX_EXPRESSION_TRAIT; 1428 } 1429 1430 void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { 1431 VisitExpr(E); 1432 Record.push_back(E->getValue()); 1433 Writer.AddSourceRange(E->getSourceRange(), Record); 1434 Writer.AddStmt(E->getOperand()); 1435 Code = serialization::EXPR_CXX_NOEXCEPT; 1436 } 1437 1438 void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) { 1439 VisitExpr(E); 1440 Writer.AddSourceLocation(E->getEllipsisLoc(), Record); 1441 Record.push_back(E->NumExpansions); 1442 Writer.AddStmt(E->getPattern()); 1443 Code = serialization::EXPR_PACK_EXPANSION; 1444 } 1445 1446 void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) { 1447 VisitExpr(E); 1448 Writer.AddSourceLocation(E->OperatorLoc, Record); 1449 Writer.AddSourceLocation(E->PackLoc, Record); 1450 Writer.AddSourceLocation(E->RParenLoc, Record); 1451 Record.push_back(E->Length); 1452 Writer.AddDeclRef(E->Pack, Record); 1453 Code = serialization::EXPR_SIZEOF_PACK; 1454 } 1455 1456 void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr( 1457 SubstNonTypeTemplateParmExpr *E) { 1458 VisitExpr(E); 1459 Writer.AddDeclRef(E->getParameter(), Record); 1460 Writer.AddSourceLocation(E->getNameLoc(), Record); 1461 Writer.AddStmt(E->getReplacement()); 1462 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM; 1463 } 1464 1465 void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr( 1466 SubstNonTypeTemplateParmPackExpr *E) { 1467 VisitExpr(E); 1468 Writer.AddDeclRef(E->getParameterPack(), Record); 1469 Writer.AddTemplateArgument(E->getArgumentPack(), Record); 1470 Writer.AddSourceLocation(E->getParameterPackLocation(), Record); 1471 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK; 1472 } 1473 1474 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) { 1475 VisitExpr(E); 1476 Writer.AddStmt(E->Temporary); 1477 Code = serialization::EXPR_MATERIALIZE_TEMPORARY; 1478 } 1479 1480 void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) { 1481 VisitExpr(E); 1482 Writer.AddStmt(E->getSourceExpr()); 1483 Writer.AddSourceLocation(E->getLocation(), Record); 1484 Code = serialization::EXPR_OPAQUE_VALUE; 1485 } 1486 1487 //===----------------------------------------------------------------------===// 1488 // CUDA Expressions and Statements. 1489 //===----------------------------------------------------------------------===// 1490 1491 void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) { 1492 VisitCallExpr(E); 1493 Writer.AddStmt(E->getConfig()); 1494 Code = serialization::EXPR_CUDA_KERNEL_CALL; 1495 } 1496 1497 //===----------------------------------------------------------------------===// 1498 // OpenCL Expressions and Statements. 1499 //===----------------------------------------------------------------------===// 1500 void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) { 1501 VisitExpr(E); 1502 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 1503 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1504 Writer.AddStmt(E->getSrcExpr()); 1505 Code = serialization::EXPR_ASTYPE; 1506 } 1507 1508 //===----------------------------------------------------------------------===// 1509 // Microsoft Expressions and Statements. 1510 //===----------------------------------------------------------------------===// 1511 void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1512 VisitExpr(E); 1513 Writer.AddSourceRange(E->getSourceRange(), Record); 1514 if (E->isTypeOperand()) { 1515 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1516 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1517 } else { 1518 Writer.AddStmt(E->getExprOperand()); 1519 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1520 } 1521 } 1522 1523 void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) { 1524 VisitStmt(S); 1525 Writer.AddSourceLocation(S->getExceptLoc(), Record); 1526 Writer.AddStmt(S->getFilterExpr()); 1527 Writer.AddStmt(S->getBlock()); 1528 Code = serialization::STMT_SEH_EXCEPT; 1529 } 1530 1531 void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) { 1532 VisitStmt(S); 1533 Writer.AddSourceLocation(S->getFinallyLoc(), Record); 1534 Writer.AddStmt(S->getBlock()); 1535 Code = serialization::STMT_SEH_FINALLY; 1536 } 1537 1538 void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) { 1539 VisitStmt(S); 1540 Record.push_back(S->getIsCXXTry()); 1541 Writer.AddSourceLocation(S->getTryLoc(), Record); 1542 Writer.AddStmt(S->getTryBlock()); 1543 Writer.AddStmt(S->getHandler()); 1544 Code = serialization::STMT_SEH_TRY; 1545 } 1546 1547 //===----------------------------------------------------------------------===// 1548 // ASTWriter Implementation 1549 //===----------------------------------------------------------------------===// 1550 1551 unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1552 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1553 "SwitchCase recorded twice"); 1554 unsigned NextID = SwitchCaseIDs.size(); 1555 SwitchCaseIDs[S] = NextID; 1556 return NextID; 1557 } 1558 1559 unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1560 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1561 "SwitchCase hasn't been seen yet"); 1562 return SwitchCaseIDs[S]; 1563 } 1564 1565 void ASTWriter::ClearSwitchCaseIDs() { 1566 SwitchCaseIDs.clear(); 1567 } 1568 1569 /// \brief Write the given substatement or subexpression to the 1570 /// bitstream. 1571 void ASTWriter::WriteSubStmt(Stmt *S, 1572 llvm::DenseMap<Stmt *, uint64_t> &SubStmtEntries, 1573 llvm::DenseSet<Stmt *> &ParentStmts) { 1574 RecordData Record; 1575 ASTStmtWriter Writer(*this, Record); 1576 ++NumStatements; 1577 1578 if (!S) { 1579 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1580 return; 1581 } 1582 1583 llvm::DenseMap<Stmt *, uint64_t>::iterator I = SubStmtEntries.find(S); 1584 if (I != SubStmtEntries.end()) { 1585 Record.push_back(I->second); 1586 Stream.EmitRecord(serialization::STMT_REF_PTR, Record); 1587 return; 1588 } 1589 1590 #ifndef NDEBUG 1591 assert(!ParentStmts.count(S) && "There is a Stmt cycle!"); 1592 1593 struct ParentStmtInserterRAII { 1594 Stmt *S; 1595 llvm::DenseSet<Stmt *> &ParentStmts; 1596 1597 ParentStmtInserterRAII(Stmt *S, llvm::DenseSet<Stmt *> &ParentStmts) 1598 : S(S), ParentStmts(ParentStmts) { 1599 ParentStmts.insert(S); 1600 } 1601 ~ParentStmtInserterRAII() { 1602 ParentStmts.erase(S); 1603 } 1604 }; 1605 1606 ParentStmtInserterRAII ParentStmtInserter(S, ParentStmts); 1607 #endif 1608 1609 // Redirect ASTWriter::AddStmt to collect sub stmts. 1610 SmallVector<Stmt *, 16> SubStmts; 1611 CollectedStmts = &SubStmts; 1612 1613 Writer.Code = serialization::STMT_NULL_PTR; 1614 Writer.AbbrevToUse = 0; 1615 Writer.Visit(S); 1616 1617 #ifndef NDEBUG 1618 if (Writer.Code == serialization::STMT_NULL_PTR) { 1619 SourceManager &SrcMgr 1620 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1621 S->dump(SrcMgr); 1622 llvm_unreachable("Unhandled sub statement writing AST file"); 1623 } 1624 #endif 1625 1626 // Revert ASTWriter::AddStmt. 1627 CollectedStmts = &StmtsToEmit; 1628 1629 // Write the sub stmts in reverse order, last to first. When reading them back 1630 // we will read them in correct order by "pop"ing them from the Stmts stack. 1631 // This simplifies reading and allows to store a variable number of sub stmts 1632 // without knowing it in advance. 1633 while (!SubStmts.empty()) 1634 WriteSubStmt(SubStmts.pop_back_val(), SubStmtEntries, ParentStmts); 1635 1636 Stream.EmitRecord(Writer.Code, Record, Writer.AbbrevToUse); 1637 1638 SubStmtEntries[S] = Stream.GetCurrentBitNo(); 1639 } 1640 1641 /// \brief Flush all of the statements that have been added to the 1642 /// queue via AddStmt(). 1643 void ASTWriter::FlushStmts() { 1644 RecordData Record; 1645 1646 // We expect to be the only consumer of the two temporary statement maps, 1647 // assert that they are empty. 1648 assert(SubStmtEntries.empty() && "unexpected entries in sub stmt map"); 1649 assert(ParentStmts.empty() && "unexpected entries in parent stmt map"); 1650 1651 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1652 WriteSubStmt(StmtsToEmit[I], SubStmtEntries, ParentStmts); 1653 1654 assert(N == StmtsToEmit.size() && 1655 "Substatement written via AddStmt rather than WriteSubStmt!"); 1656 1657 // Note that we are at the end of a full expression. Any 1658 // expression records that follow this one are part of a different 1659 // expression. 1660 Stream.EmitRecord(serialization::STMT_STOP, Record); 1661 1662 SubStmtEntries.clear(); 1663 ParentStmts.clear(); 1664 } 1665 1666 StmtsToEmit.clear(); 1667 } 1668