StmtProfile.cpp revision 8f43d52b46b600b2eb4e62550f7a6d7a78fd001b
1//===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===// 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 the Stmt::Profile method, which builds a unique bit 11// representation that identifies a statement/expression. 12// 13//===----------------------------------------------------------------------===// 14#include "clang/AST/ASTContext.h" 15#include "clang/AST/DeclCXX.h" 16#include "clang/AST/DeclObjC.h" 17#include "clang/AST/DeclTemplate.h" 18#include "clang/AST/Expr.h" 19#include "clang/AST/ExprCXX.h" 20#include "clang/AST/ExprObjC.h" 21#include "clang/AST/StmtVisitor.h" 22#include "llvm/ADT/FoldingSet.h" 23using namespace clang; 24 25namespace { 26 class StmtProfiler : public StmtVisitor<StmtProfiler> { 27 llvm::FoldingSetNodeID &ID; 28 ASTContext &Context; 29 bool Canonical; 30 31 public: 32 StmtProfiler(llvm::FoldingSetNodeID &ID, ASTContext &Context, 33 bool Canonical) 34 : ID(ID), Context(Context), Canonical(Canonical) { } 35 36 void VisitStmt(Stmt *S); 37 38#define STMT(Node, Base) void Visit##Node(Node *S); 39#include "clang/AST/StmtNodes.inc" 40 41 /// \brief Visit a declaration that is referenced within an expression 42 /// or statement. 43 void VisitDecl(Decl *D); 44 45 /// \brief Visit a type that is referenced within an expression or 46 /// statement. 47 void VisitType(QualType T); 48 49 /// \brief Visit a name that occurs within an expression or statement. 50 void VisitName(DeclarationName Name); 51 52 /// \brief Visit a nested-name-specifier that occurs within an expression 53 /// or statement. 54 void VisitNestedNameSpecifier(NestedNameSpecifier *NNS); 55 56 /// \brief Visit a template name that occurs within an expression or 57 /// statement. 58 void VisitTemplateName(TemplateName Name); 59 60 /// \brief Visit template arguments that occur within an expression or 61 /// statement. 62 void VisitTemplateArguments(const TemplateArgumentLoc *Args, unsigned NumArgs); 63 64 /// \brief Visit a single template argument. 65 void VisitTemplateArgument(const TemplateArgument &Arg); 66 }; 67} 68 69void StmtProfiler::VisitStmt(Stmt *S) { 70 ID.AddInteger(S->getStmtClass()); 71 for (Stmt::child_iterator C = S->child_begin(), CEnd = S->child_end(); 72 C != CEnd; ++C) 73 Visit(*C); 74} 75 76void StmtProfiler::VisitDeclStmt(DeclStmt *S) { 77 VisitStmt(S); 78 for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end(); 79 D != DEnd; ++D) 80 VisitDecl(*D); 81} 82 83void StmtProfiler::VisitNullStmt(NullStmt *S) { 84 VisitStmt(S); 85} 86 87void StmtProfiler::VisitCompoundStmt(CompoundStmt *S) { 88 VisitStmt(S); 89} 90 91void StmtProfiler::VisitSwitchCase(SwitchCase *S) { 92 VisitStmt(S); 93} 94 95void StmtProfiler::VisitCaseStmt(CaseStmt *S) { 96 VisitStmt(S); 97} 98 99void StmtProfiler::VisitDefaultStmt(DefaultStmt *S) { 100 VisitStmt(S); 101} 102 103void StmtProfiler::VisitLabelStmt(LabelStmt *S) { 104 VisitStmt(S); 105 VisitName(S->getID()); 106} 107 108void StmtProfiler::VisitIfStmt(IfStmt *S) { 109 VisitStmt(S); 110 VisitDecl(S->getConditionVariable()); 111} 112 113void StmtProfiler::VisitSwitchStmt(SwitchStmt *S) { 114 VisitStmt(S); 115 VisitDecl(S->getConditionVariable()); 116} 117 118void StmtProfiler::VisitWhileStmt(WhileStmt *S) { 119 VisitStmt(S); 120 VisitDecl(S->getConditionVariable()); 121} 122 123void StmtProfiler::VisitDoStmt(DoStmt *S) { 124 VisitStmt(S); 125} 126 127void StmtProfiler::VisitForStmt(ForStmt *S) { 128 VisitStmt(S); 129} 130 131void StmtProfiler::VisitGotoStmt(GotoStmt *S) { 132 VisitStmt(S); 133 VisitName(S->getLabel()->getID()); 134} 135 136void StmtProfiler::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 137 VisitStmt(S); 138} 139 140void StmtProfiler::VisitContinueStmt(ContinueStmt *S) { 141 VisitStmt(S); 142} 143 144void StmtProfiler::VisitBreakStmt(BreakStmt *S) { 145 VisitStmt(S); 146} 147 148void StmtProfiler::VisitReturnStmt(ReturnStmt *S) { 149 VisitStmt(S); 150} 151 152void StmtProfiler::VisitAsmStmt(AsmStmt *S) { 153 VisitStmt(S); 154 ID.AddBoolean(S->isVolatile()); 155 ID.AddBoolean(S->isSimple()); 156 VisitStringLiteral(S->getAsmString()); 157 ID.AddInteger(S->getNumOutputs()); 158 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 159 ID.AddString(S->getOutputName(I)); 160 VisitStringLiteral(S->getOutputConstraintLiteral(I)); 161 } 162 ID.AddInteger(S->getNumInputs()); 163 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 164 ID.AddString(S->getInputName(I)); 165 VisitStringLiteral(S->getInputConstraintLiteral(I)); 166 } 167 ID.AddInteger(S->getNumClobbers()); 168 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 169 VisitStringLiteral(S->getClobber(I)); 170} 171 172void StmtProfiler::VisitCXXCatchStmt(CXXCatchStmt *S) { 173 VisitStmt(S); 174 VisitType(S->getCaughtType()); 175} 176 177void StmtProfiler::VisitCXXTryStmt(CXXTryStmt *S) { 178 VisitStmt(S); 179} 180 181void StmtProfiler::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 182 VisitStmt(S); 183} 184 185void StmtProfiler::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 186 VisitStmt(S); 187 ID.AddBoolean(S->hasEllipsis()); 188 if (S->getCatchParamDecl()) 189 VisitType(S->getCatchParamDecl()->getType()); 190} 191 192void StmtProfiler::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 193 VisitStmt(S); 194} 195 196void StmtProfiler::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 197 VisitStmt(S); 198} 199 200void StmtProfiler::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 201 VisitStmt(S); 202} 203 204void StmtProfiler::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 205 VisitStmt(S); 206} 207 208void StmtProfiler::VisitExpr(Expr *S) { 209 VisitStmt(S); 210} 211 212void StmtProfiler::VisitDeclRefExpr(DeclRefExpr *S) { 213 VisitExpr(S); 214 VisitNestedNameSpecifier(S->getQualifier()); 215 VisitDecl(S->getDecl()); 216 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 217} 218 219void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) { 220 VisitExpr(S); 221 ID.AddInteger(S->getIdentType()); 222} 223 224void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) { 225 VisitExpr(S); 226 S->getValue().Profile(ID); 227} 228 229void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) { 230 VisitExpr(S); 231 ID.AddBoolean(S->isWide()); 232 ID.AddInteger(S->getValue()); 233} 234 235void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) { 236 VisitExpr(S); 237 S->getValue().Profile(ID); 238 ID.AddBoolean(S->isExact()); 239} 240 241void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) { 242 VisitExpr(S); 243} 244 245void StmtProfiler::VisitStringLiteral(StringLiteral *S) { 246 VisitExpr(S); 247 ID.AddString(S->getString()); 248 ID.AddBoolean(S->isWide()); 249} 250 251void StmtProfiler::VisitParenExpr(ParenExpr *S) { 252 VisitExpr(S); 253} 254 255void StmtProfiler::VisitParenListExpr(ParenListExpr *S) { 256 VisitExpr(S); 257} 258 259void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) { 260 VisitExpr(S); 261 ID.AddInteger(S->getOpcode()); 262} 263 264void StmtProfiler::VisitOffsetOfExpr(OffsetOfExpr *S) { 265 VisitType(S->getTypeSourceInfo()->getType()); 266 unsigned n = S->getNumComponents(); 267 for (unsigned i = 0; i < n; ++i) { 268 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i); 269 ID.AddInteger(ON.getKind()); 270 switch (ON.getKind()) { 271 case OffsetOfExpr::OffsetOfNode::Array: 272 // Expressions handled below. 273 break; 274 275 case OffsetOfExpr::OffsetOfNode::Field: 276 VisitDecl(ON.getField()); 277 break; 278 279 case OffsetOfExpr::OffsetOfNode::Identifier: 280 ID.AddPointer(ON.getFieldName()); 281 break; 282 283 case OffsetOfExpr::OffsetOfNode::Base: 284 // These nodes are implicit, and therefore don't need profiling. 285 break; 286 } 287 } 288 289 VisitExpr(S); 290} 291 292void StmtProfiler::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S) { 293 VisitExpr(S); 294 ID.AddBoolean(S->isSizeOf()); 295 if (S->isArgumentType()) 296 VisitType(S->getArgumentType()); 297} 298 299void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) { 300 VisitExpr(S); 301} 302 303void StmtProfiler::VisitCallExpr(CallExpr *S) { 304 VisitExpr(S); 305} 306 307void StmtProfiler::VisitMemberExpr(MemberExpr *S) { 308 VisitExpr(S); 309 VisitDecl(S->getMemberDecl()); 310 VisitNestedNameSpecifier(S->getQualifier()); 311 ID.AddBoolean(S->isArrow()); 312} 313 314void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) { 315 VisitExpr(S); 316 ID.AddBoolean(S->isFileScope()); 317} 318 319void StmtProfiler::VisitCastExpr(CastExpr *S) { 320 VisitExpr(S); 321} 322 323void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) { 324 VisitCastExpr(S); 325 ID.AddBoolean(S->isLvalueCast()); 326} 327 328void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) { 329 VisitCastExpr(S); 330 VisitType(S->getTypeAsWritten()); 331} 332 333void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) { 334 VisitExplicitCastExpr(S); 335} 336 337void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) { 338 VisitExpr(S); 339 ID.AddInteger(S->getOpcode()); 340} 341 342void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) { 343 VisitBinaryOperator(S); 344} 345 346void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) { 347 VisitExpr(S); 348} 349 350void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) { 351 VisitExpr(S); 352 VisitName(S->getLabel()->getID()); 353} 354 355void StmtProfiler::VisitStmtExpr(StmtExpr *S) { 356 VisitExpr(S); 357} 358 359void StmtProfiler::VisitTypesCompatibleExpr(TypesCompatibleExpr *S) { 360 VisitExpr(S); 361 VisitType(S->getArgType1()); 362 VisitType(S->getArgType2()); 363} 364 365void StmtProfiler::VisitShuffleVectorExpr(ShuffleVectorExpr *S) { 366 VisitExpr(S); 367} 368 369void StmtProfiler::VisitChooseExpr(ChooseExpr *S) { 370 VisitExpr(S); 371} 372 373void StmtProfiler::VisitGNUNullExpr(GNUNullExpr *S) { 374 VisitExpr(S); 375} 376 377void StmtProfiler::VisitVAArgExpr(VAArgExpr *S) { 378 VisitExpr(S); 379} 380 381void StmtProfiler::VisitInitListExpr(InitListExpr *S) { 382 if (S->getSyntacticForm()) { 383 VisitInitListExpr(S->getSyntacticForm()); 384 return; 385 } 386 387 VisitExpr(S); 388} 389 390void StmtProfiler::VisitDesignatedInitExpr(DesignatedInitExpr *S) { 391 VisitExpr(S); 392 ID.AddBoolean(S->usesGNUSyntax()); 393 for (DesignatedInitExpr::designators_iterator D = S->designators_begin(), 394 DEnd = S->designators_end(); 395 D != DEnd; ++D) { 396 if (D->isFieldDesignator()) { 397 ID.AddInteger(0); 398 VisitName(D->getFieldName()); 399 continue; 400 } 401 402 if (D->isArrayDesignator()) { 403 ID.AddInteger(1); 404 } else { 405 assert(D->isArrayRangeDesignator()); 406 ID.AddInteger(2); 407 } 408 ID.AddInteger(D->getFirstExprIndex()); 409 } 410} 411 412void StmtProfiler::VisitImplicitValueInitExpr(ImplicitValueInitExpr *S) { 413 VisitExpr(S); 414} 415 416void StmtProfiler::VisitExtVectorElementExpr(ExtVectorElementExpr *S) { 417 VisitExpr(S); 418 VisitName(&S->getAccessor()); 419} 420 421void StmtProfiler::VisitBlockExpr(BlockExpr *S) { 422 VisitExpr(S); 423 VisitDecl(S->getBlockDecl()); 424} 425 426void StmtProfiler::VisitBlockDeclRefExpr(BlockDeclRefExpr *S) { 427 VisitExpr(S); 428 VisitDecl(S->getDecl()); 429 ID.AddBoolean(S->isByRef()); 430 ID.AddBoolean(S->isConstQualAdded()); 431} 432 433static Stmt::StmtClass DecodeOperatorCall(CXXOperatorCallExpr *S, 434 UnaryOperator::Opcode &UnaryOp, 435 BinaryOperator::Opcode &BinaryOp) { 436 switch (S->getOperator()) { 437 case OO_None: 438 case OO_New: 439 case OO_Delete: 440 case OO_Array_New: 441 case OO_Array_Delete: 442 case OO_Arrow: 443 case OO_Call: 444 case OO_Conditional: 445 case NUM_OVERLOADED_OPERATORS: 446 llvm_unreachable("Invalid operator call kind"); 447 return Stmt::ArraySubscriptExprClass; 448 449 case OO_Plus: 450 if (S->getNumArgs() == 1) { 451 UnaryOp = UnaryOperator::Plus; 452 return Stmt::UnaryOperatorClass; 453 } 454 455 BinaryOp = BinaryOperator::Add; 456 return Stmt::BinaryOperatorClass; 457 458 case OO_Minus: 459 if (S->getNumArgs() == 1) { 460 UnaryOp = UnaryOperator::Minus; 461 return Stmt::UnaryOperatorClass; 462 } 463 464 BinaryOp = BinaryOperator::Sub; 465 return Stmt::BinaryOperatorClass; 466 467 case OO_Star: 468 if (S->getNumArgs() == 1) { 469 UnaryOp = UnaryOperator::Minus; 470 return Stmt::UnaryOperatorClass; 471 } 472 473 BinaryOp = BinaryOperator::Sub; 474 return Stmt::BinaryOperatorClass; 475 476 case OO_Slash: 477 BinaryOp = BinaryOperator::Div; 478 return Stmt::BinaryOperatorClass; 479 480 case OO_Percent: 481 BinaryOp = BinaryOperator::Rem; 482 return Stmt::BinaryOperatorClass; 483 484 case OO_Caret: 485 BinaryOp = BinaryOperator::Xor; 486 return Stmt::BinaryOperatorClass; 487 488 case OO_Amp: 489 if (S->getNumArgs() == 1) { 490 UnaryOp = UnaryOperator::AddrOf; 491 return Stmt::UnaryOperatorClass; 492 } 493 494 BinaryOp = BinaryOperator::And; 495 return Stmt::BinaryOperatorClass; 496 497 case OO_Pipe: 498 BinaryOp = BinaryOperator::Or; 499 return Stmt::BinaryOperatorClass; 500 501 case OO_Tilde: 502 UnaryOp = UnaryOperator::Not; 503 return Stmt::UnaryOperatorClass; 504 505 case OO_Exclaim: 506 UnaryOp = UnaryOperator::LNot; 507 return Stmt::UnaryOperatorClass; 508 509 case OO_Equal: 510 BinaryOp = BinaryOperator::Assign; 511 return Stmt::BinaryOperatorClass; 512 513 case OO_Less: 514 BinaryOp = BinaryOperator::LT; 515 return Stmt::BinaryOperatorClass; 516 517 case OO_Greater: 518 BinaryOp = BinaryOperator::GT; 519 return Stmt::BinaryOperatorClass; 520 521 case OO_PlusEqual: 522 BinaryOp = BinaryOperator::AddAssign; 523 return Stmt::CompoundAssignOperatorClass; 524 525 case OO_MinusEqual: 526 BinaryOp = BinaryOperator::SubAssign; 527 return Stmt::CompoundAssignOperatorClass; 528 529 case OO_StarEqual: 530 BinaryOp = BinaryOperator::MulAssign; 531 return Stmt::CompoundAssignOperatorClass; 532 533 case OO_SlashEqual: 534 BinaryOp = BinaryOperator::DivAssign; 535 return Stmt::CompoundAssignOperatorClass; 536 537 case OO_PercentEqual: 538 BinaryOp = BinaryOperator::RemAssign; 539 return Stmt::CompoundAssignOperatorClass; 540 541 case OO_CaretEqual: 542 BinaryOp = BinaryOperator::XorAssign; 543 return Stmt::CompoundAssignOperatorClass; 544 545 case OO_AmpEqual: 546 BinaryOp = BinaryOperator::AndAssign; 547 return Stmt::CompoundAssignOperatorClass; 548 549 case OO_PipeEqual: 550 BinaryOp = BinaryOperator::OrAssign; 551 return Stmt::CompoundAssignOperatorClass; 552 553 case OO_LessLess: 554 BinaryOp = BinaryOperator::Shl; 555 return Stmt::BinaryOperatorClass; 556 557 case OO_GreaterGreater: 558 BinaryOp = BinaryOperator::Shr; 559 return Stmt::BinaryOperatorClass; 560 561 case OO_LessLessEqual: 562 BinaryOp = BinaryOperator::ShlAssign; 563 return Stmt::CompoundAssignOperatorClass; 564 565 case OO_GreaterGreaterEqual: 566 BinaryOp = BinaryOperator::ShrAssign; 567 return Stmt::CompoundAssignOperatorClass; 568 569 case OO_EqualEqual: 570 BinaryOp = BinaryOperator::EQ; 571 return Stmt::BinaryOperatorClass; 572 573 case OO_ExclaimEqual: 574 BinaryOp = BinaryOperator::NE; 575 return Stmt::BinaryOperatorClass; 576 577 case OO_LessEqual: 578 BinaryOp = BinaryOperator::LE; 579 return Stmt::BinaryOperatorClass; 580 581 case OO_GreaterEqual: 582 BinaryOp = BinaryOperator::GE; 583 return Stmt::BinaryOperatorClass; 584 585 case OO_AmpAmp: 586 BinaryOp = BinaryOperator::LAnd; 587 return Stmt::BinaryOperatorClass; 588 589 case OO_PipePipe: 590 BinaryOp = BinaryOperator::LOr; 591 return Stmt::BinaryOperatorClass; 592 593 case OO_PlusPlus: 594 UnaryOp = S->getNumArgs() == 1? UnaryOperator::PreInc 595 : UnaryOperator::PostInc; 596 return Stmt::UnaryOperatorClass; 597 598 case OO_MinusMinus: 599 UnaryOp = S->getNumArgs() == 1? UnaryOperator::PreDec 600 : UnaryOperator::PostDec; 601 return Stmt::UnaryOperatorClass; 602 603 case OO_Comma: 604 BinaryOp = BinaryOperator::Comma; 605 return Stmt::BinaryOperatorClass; 606 607 608 case OO_ArrowStar: 609 BinaryOp = BinaryOperator::PtrMemI; 610 return Stmt::BinaryOperatorClass; 611 612 case OO_Subscript: 613 return Stmt::ArraySubscriptExprClass; 614 } 615 616 llvm_unreachable("Invalid overloaded operator expression"); 617} 618 619 620void StmtProfiler::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S) { 621 if (S->isTypeDependent()) { 622 // Type-dependent operator calls are profiled like their underlying 623 // syntactic operator. 624 UnaryOperator::Opcode UnaryOp = UnaryOperator::Extension; 625 BinaryOperator::Opcode BinaryOp = BinaryOperator::Comma; 626 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp); 627 628 ID.AddInteger(SC); 629 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I) 630 Visit(S->getArg(I)); 631 if (SC == Stmt::UnaryOperatorClass) 632 ID.AddInteger(UnaryOp); 633 else if (SC == Stmt::BinaryOperatorClass || 634 SC == Stmt::CompoundAssignOperatorClass) 635 ID.AddInteger(BinaryOp); 636 else 637 assert(SC == Stmt::ArraySubscriptExprClass); 638 639 return; 640 } 641 642 VisitCallExpr(S); 643 ID.AddInteger(S->getOperator()); 644} 645 646void StmtProfiler::VisitCXXMemberCallExpr(CXXMemberCallExpr *S) { 647 VisitCallExpr(S); 648} 649 650void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) { 651 VisitExplicitCastExpr(S); 652} 653 654void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) { 655 VisitCXXNamedCastExpr(S); 656} 657 658void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) { 659 VisitCXXNamedCastExpr(S); 660} 661 662void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) { 663 VisitCXXNamedCastExpr(S); 664} 665 666void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) { 667 VisitCXXNamedCastExpr(S); 668} 669 670void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) { 671 VisitExpr(S); 672 ID.AddBoolean(S->getValue()); 673} 674 675void StmtProfiler::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *S) { 676 VisitExpr(S); 677} 678 679void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) { 680 VisitExpr(S); 681 if (S->isTypeOperand()) 682 VisitType(S->getTypeOperand()); 683} 684 685void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) { 686 VisitExpr(S); 687} 688 689void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) { 690 VisitExpr(S); 691} 692 693void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) { 694 VisitExpr(S); 695 VisitDecl(S->getParam()); 696} 697 698void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) { 699 VisitExpr(S); 700 VisitDecl( 701 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor())); 702} 703 704void StmtProfiler::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *S) { 705 VisitExpr(S); 706} 707 708void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) { 709 VisitExpr(S); 710 VisitDecl(S->getConstructor()); 711 ID.AddBoolean(S->isElidable()); 712} 713 714void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) { 715 VisitExplicitCastExpr(S); 716} 717 718void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) { 719 VisitCXXConstructExpr(S); 720} 721 722void StmtProfiler::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *S) { 723 VisitExpr(S); 724} 725 726void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) { 727 VisitExpr(S); 728 ID.AddBoolean(S->isGlobalDelete()); 729 ID.AddBoolean(S->isArrayForm()); 730 VisitDecl(S->getOperatorDelete()); 731} 732 733 734void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) { 735 VisitExpr(S); 736 VisitType(S->getAllocatedType()); 737 VisitDecl(S->getOperatorNew()); 738 VisitDecl(S->getOperatorDelete()); 739 VisitDecl(S->getConstructor()); 740 ID.AddBoolean(S->isArray()); 741 ID.AddInteger(S->getNumPlacementArgs()); 742 ID.AddBoolean(S->isGlobalNew()); 743 ID.AddBoolean(S->isParenTypeId()); 744 ID.AddBoolean(S->hasInitializer()); 745 ID.AddInteger(S->getNumConstructorArgs()); 746} 747 748void StmtProfiler::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *S) { 749 VisitExpr(S); 750 ID.AddBoolean(S->isArrow()); 751 VisitNestedNameSpecifier(S->getQualifier()); 752 VisitType(S->getDestroyedType()); 753} 754 755void 756StmtProfiler::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *S) { 757 VisitExpr(S); 758 VisitNestedNameSpecifier(S->getQualifier()); 759 VisitName(S->getName()); 760 ID.AddBoolean(S->hasExplicitTemplateArgs()); 761 if (S->hasExplicitTemplateArgs()) 762 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 763} 764 765void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) { 766 VisitExpr(S); 767 ID.AddInteger(S->getTrait()); 768 VisitType(S->getQueriedType()); 769} 770 771void 772StmtProfiler::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *S) { 773 VisitExpr(S); 774 VisitName(S->getDeclName()); 775 VisitNestedNameSpecifier(S->getQualifier()); 776 ID.AddBoolean(S->hasExplicitTemplateArgs()); 777 if (S->hasExplicitTemplateArgs()) 778 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 779} 780 781void StmtProfiler::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *S) { 782 VisitExpr(S); 783 for (unsigned I = 0, N = S->getNumTemporaries(); I != N; ++I) 784 VisitDecl( 785 const_cast<CXXDestructorDecl *>(S->getTemporary(I)->getDestructor())); 786} 787 788void 789StmtProfiler::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *S) { 790 VisitExpr(S); 791 VisitType(S->getTypeAsWritten()); 792} 793 794void 795StmtProfiler::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *S) { 796 ID.AddBoolean(S->isImplicitAccess()); 797 if (!S->isImplicitAccess()) { 798 VisitExpr(S); 799 ID.AddBoolean(S->isArrow()); 800 } 801 VisitNestedNameSpecifier(S->getQualifier()); 802 VisitName(S->getMember()); 803 ID.AddBoolean(S->hasExplicitTemplateArgs()); 804 if (S->hasExplicitTemplateArgs()) 805 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 806} 807 808void StmtProfiler::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *S) { 809 ID.AddBoolean(S->isImplicitAccess()); 810 if (!S->isImplicitAccess()) { 811 VisitExpr(S); 812 ID.AddBoolean(S->isArrow()); 813 } 814 VisitNestedNameSpecifier(S->getQualifier()); 815 VisitName(S->getMemberName()); 816 ID.AddBoolean(S->hasExplicitTemplateArgs()); 817 if (S->hasExplicitTemplateArgs()) 818 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 819} 820 821void StmtProfiler::VisitObjCStringLiteral(ObjCStringLiteral *S) { 822 VisitExpr(S); 823} 824 825void StmtProfiler::VisitObjCEncodeExpr(ObjCEncodeExpr *S) { 826 VisitExpr(S); 827 VisitType(S->getEncodedType()); 828} 829 830void StmtProfiler::VisitObjCSelectorExpr(ObjCSelectorExpr *S) { 831 VisitExpr(S); 832 VisitName(S->getSelector()); 833} 834 835void StmtProfiler::VisitObjCProtocolExpr(ObjCProtocolExpr *S) { 836 VisitExpr(S); 837 VisitDecl(S->getProtocol()); 838} 839 840void StmtProfiler::VisitObjCIvarRefExpr(ObjCIvarRefExpr *S) { 841 VisitExpr(S); 842 VisitDecl(S->getDecl()); 843 ID.AddBoolean(S->isArrow()); 844 ID.AddBoolean(S->isFreeIvar()); 845} 846 847void StmtProfiler::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *S) { 848 VisitExpr(S); 849 VisitDecl(S->getProperty()); 850} 851 852void StmtProfiler::VisitObjCImplicitSetterGetterRefExpr( 853 ObjCImplicitSetterGetterRefExpr *S) { 854 VisitExpr(S); 855 VisitDecl(S->getGetterMethod()); 856 VisitDecl(S->getSetterMethod()); 857 VisitDecl(S->getInterfaceDecl()); 858} 859 860void StmtProfiler::VisitObjCMessageExpr(ObjCMessageExpr *S) { 861 VisitExpr(S); 862 VisitName(S->getSelector()); 863 VisitDecl(S->getMethodDecl()); 864} 865 866void StmtProfiler::VisitObjCSuperExpr(ObjCSuperExpr *S) { 867 VisitExpr(S); 868} 869 870void StmtProfiler::VisitObjCIsaExpr(ObjCIsaExpr *S) { 871 VisitExpr(S); 872 ID.AddBoolean(S->isArrow()); 873} 874 875void StmtProfiler::VisitDecl(Decl *D) { 876 ID.AddInteger(D? D->getKind() : 0); 877 878 if (Canonical && D) { 879 if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(D)) { 880 ID.AddInteger(NTTP->getDepth()); 881 ID.AddInteger(NTTP->getIndex()); 882 VisitType(NTTP->getType()); 883 return; 884 } 885 886 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { 887 // The Itanium C++ ABI uses the type of a parameter when mangling 888 // expressions that involve function parameters, so we will use the 889 // parameter's type for establishing function parameter identity. That 890 // way, our definition of "equivalent" (per C++ [temp.over.link]) 891 // matches the definition of "equivalent" used for name mangling. 892 VisitType(Parm->getType()); 893 return; 894 } 895 896 if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) { 897 ID.AddInteger(TTP->getDepth()); 898 ID.AddInteger(TTP->getIndex()); 899 return; 900 } 901 } 902 903 ID.AddPointer(D? D->getCanonicalDecl() : 0); 904} 905 906void StmtProfiler::VisitType(QualType T) { 907 if (Canonical) 908 T = Context.getCanonicalType(T); 909 910 ID.AddPointer(T.getAsOpaquePtr()); 911} 912 913void StmtProfiler::VisitName(DeclarationName Name) { 914 ID.AddPointer(Name.getAsOpaquePtr()); 915} 916 917void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) { 918 if (Canonical) 919 NNS = Context.getCanonicalNestedNameSpecifier(NNS); 920 ID.AddPointer(NNS); 921} 922 923void StmtProfiler::VisitTemplateName(TemplateName Name) { 924 if (Canonical) 925 Name = Context.getCanonicalTemplateName(Name); 926 927 Name.Profile(ID); 928} 929 930void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args, 931 unsigned NumArgs) { 932 ID.AddInteger(NumArgs); 933 for (unsigned I = 0; I != NumArgs; ++I) 934 VisitTemplateArgument(Args[I].getArgument()); 935} 936 937void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) { 938 // Mostly repetitive with TemplateArgument::Profile! 939 ID.AddInteger(Arg.getKind()); 940 switch (Arg.getKind()) { 941 case TemplateArgument::Null: 942 break; 943 944 case TemplateArgument::Type: 945 VisitType(Arg.getAsType()); 946 break; 947 948 case TemplateArgument::Template: 949 VisitTemplateName(Arg.getAsTemplate()); 950 break; 951 952 case TemplateArgument::Declaration: 953 VisitDecl(Arg.getAsDecl()); 954 break; 955 956 case TemplateArgument::Integral: 957 Arg.getAsIntegral()->Profile(ID); 958 VisitType(Arg.getIntegralType()); 959 break; 960 961 case TemplateArgument::Expression: 962 Visit(Arg.getAsExpr()); 963 break; 964 965 case TemplateArgument::Pack: 966 const TemplateArgument *Pack = Arg.pack_begin(); 967 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i) 968 VisitTemplateArgument(Pack[i]); 969 break; 970 } 971} 972 973void Stmt::Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 974 bool Canonical) { 975 StmtProfiler Profiler(ID, Context, Canonical); 976 Profiler.Visit(this); 977} 978