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