StmtProfile.cpp revision f4e3cfbe8abd124be6341ef5d714819b4fbd9082
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 const ASTContext &Context; 29 bool Canonical; 30 31 public: 32 StmtProfiler(llvm::FoldingSetNodeID &ID, const 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_range C = S->children(); C; ++C) 72 Visit(*C); 73} 74 75void StmtProfiler::VisitDeclStmt(DeclStmt *S) { 76 VisitStmt(S); 77 for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end(); 78 D != DEnd; ++D) 79 VisitDecl(*D); 80} 81 82void StmtProfiler::VisitNullStmt(NullStmt *S) { 83 VisitStmt(S); 84} 85 86void StmtProfiler::VisitCompoundStmt(CompoundStmt *S) { 87 VisitStmt(S); 88} 89 90void StmtProfiler::VisitSwitchCase(SwitchCase *S) { 91 VisitStmt(S); 92} 93 94void StmtProfiler::VisitCaseStmt(CaseStmt *S) { 95 VisitStmt(S); 96} 97 98void StmtProfiler::VisitDefaultStmt(DefaultStmt *S) { 99 VisitStmt(S); 100} 101 102void StmtProfiler::VisitLabelStmt(LabelStmt *S) { 103 VisitStmt(S); 104 VisitDecl(S->getDecl()); 105} 106 107void StmtProfiler::VisitIfStmt(IfStmt *S) { 108 VisitStmt(S); 109 VisitDecl(S->getConditionVariable()); 110} 111 112void StmtProfiler::VisitSwitchStmt(SwitchStmt *S) { 113 VisitStmt(S); 114 VisitDecl(S->getConditionVariable()); 115} 116 117void StmtProfiler::VisitWhileStmt(WhileStmt *S) { 118 VisitStmt(S); 119 VisitDecl(S->getConditionVariable()); 120} 121 122void StmtProfiler::VisitDoStmt(DoStmt *S) { 123 VisitStmt(S); 124} 125 126void StmtProfiler::VisitForStmt(ForStmt *S) { 127 VisitStmt(S); 128} 129 130void StmtProfiler::VisitGotoStmt(GotoStmt *S) { 131 VisitStmt(S); 132 VisitDecl(S->getLabel()); 133} 134 135void StmtProfiler::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 136 VisitStmt(S); 137} 138 139void StmtProfiler::VisitContinueStmt(ContinueStmt *S) { 140 VisitStmt(S); 141} 142 143void StmtProfiler::VisitBreakStmt(BreakStmt *S) { 144 VisitStmt(S); 145} 146 147void StmtProfiler::VisitReturnStmt(ReturnStmt *S) { 148 VisitStmt(S); 149} 150 151void StmtProfiler::VisitAsmStmt(AsmStmt *S) { 152 VisitStmt(S); 153 ID.AddBoolean(S->isVolatile()); 154 ID.AddBoolean(S->isSimple()); 155 VisitStringLiteral(S->getAsmString()); 156 ID.AddInteger(S->getNumOutputs()); 157 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 158 ID.AddString(S->getOutputName(I)); 159 VisitStringLiteral(S->getOutputConstraintLiteral(I)); 160 } 161 ID.AddInteger(S->getNumInputs()); 162 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 163 ID.AddString(S->getInputName(I)); 164 VisitStringLiteral(S->getInputConstraintLiteral(I)); 165 } 166 ID.AddInteger(S->getNumClobbers()); 167 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 168 VisitStringLiteral(S->getClobber(I)); 169} 170 171void StmtProfiler::VisitCXXCatchStmt(CXXCatchStmt *S) { 172 VisitStmt(S); 173 VisitType(S->getCaughtType()); 174} 175 176void StmtProfiler::VisitCXXTryStmt(CXXTryStmt *S) { 177 VisitStmt(S); 178} 179 180void StmtProfiler::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 181 VisitStmt(S); 182} 183 184void StmtProfiler::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 185 VisitStmt(S); 186 ID.AddBoolean(S->hasEllipsis()); 187 if (S->getCatchParamDecl()) 188 VisitType(S->getCatchParamDecl()->getType()); 189} 190 191void StmtProfiler::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 192 VisitStmt(S); 193} 194 195void StmtProfiler::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 196 VisitStmt(S); 197} 198 199void StmtProfiler::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 200 VisitStmt(S); 201} 202 203void StmtProfiler::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 204 VisitStmt(S); 205} 206 207void StmtProfiler::VisitExpr(Expr *S) { 208 VisitStmt(S); 209} 210 211void StmtProfiler::VisitDeclRefExpr(DeclRefExpr *S) { 212 VisitExpr(S); 213 if (!Canonical) 214 VisitNestedNameSpecifier(S->getQualifier()); 215 VisitDecl(S->getDecl()); 216 if (!Canonical) 217 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 218} 219 220void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) { 221 VisitExpr(S); 222 ID.AddInteger(S->getIdentType()); 223} 224 225void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) { 226 VisitExpr(S); 227 S->getValue().Profile(ID); 228} 229 230void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) { 231 VisitExpr(S); 232 ID.AddBoolean(S->isWide()); 233 ID.AddInteger(S->getValue()); 234} 235 236void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) { 237 VisitExpr(S); 238 S->getValue().Profile(ID); 239 ID.AddBoolean(S->isExact()); 240} 241 242void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) { 243 VisitExpr(S); 244} 245 246void StmtProfiler::VisitStringLiteral(StringLiteral *S) { 247 VisitExpr(S); 248 ID.AddString(S->getString()); 249 ID.AddBoolean(S->isWide()); 250} 251 252void StmtProfiler::VisitParenExpr(ParenExpr *S) { 253 VisitExpr(S); 254} 255 256void StmtProfiler::VisitParenListExpr(ParenListExpr *S) { 257 VisitExpr(S); 258} 259 260void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) { 261 VisitExpr(S); 262 ID.AddInteger(S->getOpcode()); 263} 264 265void StmtProfiler::VisitOffsetOfExpr(OffsetOfExpr *S) { 266 VisitType(S->getTypeSourceInfo()->getType()); 267 unsigned n = S->getNumComponents(); 268 for (unsigned i = 0; i < n; ++i) { 269 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i); 270 ID.AddInteger(ON.getKind()); 271 switch (ON.getKind()) { 272 case OffsetOfExpr::OffsetOfNode::Array: 273 // Expressions handled below. 274 break; 275 276 case OffsetOfExpr::OffsetOfNode::Field: 277 VisitDecl(ON.getField()); 278 break; 279 280 case OffsetOfExpr::OffsetOfNode::Identifier: 281 ID.AddPointer(ON.getFieldName()); 282 break; 283 284 case OffsetOfExpr::OffsetOfNode::Base: 285 // These nodes are implicit, and therefore don't need profiling. 286 break; 287 } 288 } 289 290 VisitExpr(S); 291} 292 293void StmtProfiler::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *S) { 294 VisitExpr(S); 295 ID.AddInteger(S->getKind()); 296 if (S->isArgumentType()) 297 VisitType(S->getArgumentType()); 298} 299 300void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) { 301 VisitExpr(S); 302} 303 304void StmtProfiler::VisitCallExpr(CallExpr *S) { 305 VisitExpr(S); 306} 307 308void StmtProfiler::VisitMemberExpr(MemberExpr *S) { 309 VisitExpr(S); 310 VisitDecl(S->getMemberDecl()); 311 if (!Canonical) 312 VisitNestedNameSpecifier(S->getQualifier()); 313 ID.AddBoolean(S->isArrow()); 314} 315 316void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) { 317 VisitExpr(S); 318 ID.AddBoolean(S->isFileScope()); 319} 320 321void StmtProfiler::VisitCastExpr(CastExpr *S) { 322 VisitExpr(S); 323} 324 325void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) { 326 VisitCastExpr(S); 327 ID.AddInteger(S->getValueKind()); 328} 329 330void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) { 331 VisitCastExpr(S); 332 VisitType(S->getTypeAsWritten()); 333} 334 335void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) { 336 VisitExplicitCastExpr(S); 337} 338 339void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) { 340 VisitExpr(S); 341 ID.AddInteger(S->getOpcode()); 342} 343 344void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) { 345 VisitBinaryOperator(S); 346} 347 348void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) { 349 VisitExpr(S); 350} 351 352void StmtProfiler::VisitBinaryConditionalOperator(BinaryConditionalOperator *S){ 353 VisitExpr(S); 354} 355 356void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) { 357 VisitExpr(S); 358 VisitDecl(S->getLabel()); 359} 360 361void StmtProfiler::VisitStmtExpr(StmtExpr *S) { 362 VisitExpr(S); 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 UnaryOperatorKind &UnaryOp, 435 BinaryOperatorKind &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 = UO_Plus; 452 return Stmt::UnaryOperatorClass; 453 } 454 455 BinaryOp = BO_Add; 456 return Stmt::BinaryOperatorClass; 457 458 case OO_Minus: 459 if (S->getNumArgs() == 1) { 460 UnaryOp = UO_Minus; 461 return Stmt::UnaryOperatorClass; 462 } 463 464 BinaryOp = BO_Sub; 465 return Stmt::BinaryOperatorClass; 466 467 case OO_Star: 468 if (S->getNumArgs() == 1) { 469 UnaryOp = UO_Minus; 470 return Stmt::UnaryOperatorClass; 471 } 472 473 BinaryOp = BO_Sub; 474 return Stmt::BinaryOperatorClass; 475 476 case OO_Slash: 477 BinaryOp = BO_Div; 478 return Stmt::BinaryOperatorClass; 479 480 case OO_Percent: 481 BinaryOp = BO_Rem; 482 return Stmt::BinaryOperatorClass; 483 484 case OO_Caret: 485 BinaryOp = BO_Xor; 486 return Stmt::BinaryOperatorClass; 487 488 case OO_Amp: 489 if (S->getNumArgs() == 1) { 490 UnaryOp = UO_AddrOf; 491 return Stmt::UnaryOperatorClass; 492 } 493 494 BinaryOp = BO_And; 495 return Stmt::BinaryOperatorClass; 496 497 case OO_Pipe: 498 BinaryOp = BO_Or; 499 return Stmt::BinaryOperatorClass; 500 501 case OO_Tilde: 502 UnaryOp = UO_Not; 503 return Stmt::UnaryOperatorClass; 504 505 case OO_Exclaim: 506 UnaryOp = UO_LNot; 507 return Stmt::UnaryOperatorClass; 508 509 case OO_Equal: 510 BinaryOp = BO_Assign; 511 return Stmt::BinaryOperatorClass; 512 513 case OO_Less: 514 BinaryOp = BO_LT; 515 return Stmt::BinaryOperatorClass; 516 517 case OO_Greater: 518 BinaryOp = BO_GT; 519 return Stmt::BinaryOperatorClass; 520 521 case OO_PlusEqual: 522 BinaryOp = BO_AddAssign; 523 return Stmt::CompoundAssignOperatorClass; 524 525 case OO_MinusEqual: 526 BinaryOp = BO_SubAssign; 527 return Stmt::CompoundAssignOperatorClass; 528 529 case OO_StarEqual: 530 BinaryOp = BO_MulAssign; 531 return Stmt::CompoundAssignOperatorClass; 532 533 case OO_SlashEqual: 534 BinaryOp = BO_DivAssign; 535 return Stmt::CompoundAssignOperatorClass; 536 537 case OO_PercentEqual: 538 BinaryOp = BO_RemAssign; 539 return Stmt::CompoundAssignOperatorClass; 540 541 case OO_CaretEqual: 542 BinaryOp = BO_XorAssign; 543 return Stmt::CompoundAssignOperatorClass; 544 545 case OO_AmpEqual: 546 BinaryOp = BO_AndAssign; 547 return Stmt::CompoundAssignOperatorClass; 548 549 case OO_PipeEqual: 550 BinaryOp = BO_OrAssign; 551 return Stmt::CompoundAssignOperatorClass; 552 553 case OO_LessLess: 554 BinaryOp = BO_Shl; 555 return Stmt::BinaryOperatorClass; 556 557 case OO_GreaterGreater: 558 BinaryOp = BO_Shr; 559 return Stmt::BinaryOperatorClass; 560 561 case OO_LessLessEqual: 562 BinaryOp = BO_ShlAssign; 563 return Stmt::CompoundAssignOperatorClass; 564 565 case OO_GreaterGreaterEqual: 566 BinaryOp = BO_ShrAssign; 567 return Stmt::CompoundAssignOperatorClass; 568 569 case OO_EqualEqual: 570 BinaryOp = BO_EQ; 571 return Stmt::BinaryOperatorClass; 572 573 case OO_ExclaimEqual: 574 BinaryOp = BO_NE; 575 return Stmt::BinaryOperatorClass; 576 577 case OO_LessEqual: 578 BinaryOp = BO_LE; 579 return Stmt::BinaryOperatorClass; 580 581 case OO_GreaterEqual: 582 BinaryOp = BO_GE; 583 return Stmt::BinaryOperatorClass; 584 585 case OO_AmpAmp: 586 BinaryOp = BO_LAnd; 587 return Stmt::BinaryOperatorClass; 588 589 case OO_PipePipe: 590 BinaryOp = BO_LOr; 591 return Stmt::BinaryOperatorClass; 592 593 case OO_PlusPlus: 594 UnaryOp = S->getNumArgs() == 1? UO_PreInc 595 : UO_PostInc; 596 return Stmt::UnaryOperatorClass; 597 598 case OO_MinusMinus: 599 UnaryOp = S->getNumArgs() == 1? UO_PreDec 600 : UO_PostDec; 601 return Stmt::UnaryOperatorClass; 602 603 case OO_Comma: 604 BinaryOp = BO_Comma; 605 return Stmt::BinaryOperatorClass; 606 607 608 case OO_ArrowStar: 609 BinaryOp = BO_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 UnaryOperatorKind UnaryOp = UO_Extension; 625 BinaryOperatorKind BinaryOp = BO_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::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *S) { 651 VisitCallExpr(S); 652} 653 654void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) { 655 VisitExplicitCastExpr(S); 656} 657 658void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) { 659 VisitCXXNamedCastExpr(S); 660} 661 662void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) { 663 VisitCXXNamedCastExpr(S); 664} 665 666void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) { 667 VisitCXXNamedCastExpr(S); 668} 669 670void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) { 671 VisitCXXNamedCastExpr(S); 672} 673 674void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) { 675 VisitExpr(S); 676 ID.AddBoolean(S->getValue()); 677} 678 679void StmtProfiler::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *S) { 680 VisitExpr(S); 681} 682 683void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) { 684 VisitExpr(S); 685 if (S->isTypeOperand()) 686 VisitType(S->getTypeOperand()); 687} 688 689void StmtProfiler::VisitCXXUuidofExpr(CXXUuidofExpr *S) { 690 VisitExpr(S); 691 if (S->isTypeOperand()) 692 VisitType(S->getTypeOperand()); 693} 694 695void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) { 696 VisitExpr(S); 697} 698 699void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) { 700 VisitExpr(S); 701} 702 703void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) { 704 VisitExpr(S); 705 VisitDecl(S->getParam()); 706} 707 708void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) { 709 VisitExpr(S); 710 VisitDecl( 711 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor())); 712} 713 714void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) { 715 VisitExpr(S); 716 VisitDecl(S->getConstructor()); 717 ID.AddBoolean(S->isElidable()); 718} 719 720void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) { 721 VisitExplicitCastExpr(S); 722} 723 724void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) { 725 VisitCXXConstructExpr(S); 726} 727 728void StmtProfiler::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *S) { 729 VisitExpr(S); 730} 731 732void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) { 733 VisitExpr(S); 734 ID.AddBoolean(S->isGlobalDelete()); 735 ID.AddBoolean(S->isArrayForm()); 736 VisitDecl(S->getOperatorDelete()); 737} 738 739 740void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) { 741 VisitExpr(S); 742 VisitType(S->getAllocatedType()); 743 VisitDecl(S->getOperatorNew()); 744 VisitDecl(S->getOperatorDelete()); 745 VisitDecl(S->getConstructor()); 746 ID.AddBoolean(S->isArray()); 747 ID.AddInteger(S->getNumPlacementArgs()); 748 ID.AddBoolean(S->isGlobalNew()); 749 ID.AddBoolean(S->isParenTypeId()); 750 ID.AddBoolean(S->hasInitializer()); 751 ID.AddInteger(S->getNumConstructorArgs()); 752} 753 754void StmtProfiler::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *S) { 755 VisitExpr(S); 756 ID.AddBoolean(S->isArrow()); 757 VisitNestedNameSpecifier(S->getQualifier()); 758 VisitType(S->getDestroyedType()); 759} 760 761void StmtProfiler::VisitOverloadExpr(OverloadExpr *S) { 762 VisitExpr(S); 763 VisitNestedNameSpecifier(S->getQualifier()); 764 VisitName(S->getName()); 765 ID.AddBoolean(S->hasExplicitTemplateArgs()); 766 if (S->hasExplicitTemplateArgs()) 767 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(), 768 S->getExplicitTemplateArgs().NumTemplateArgs); 769} 770 771void 772StmtProfiler::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *S) { 773 VisitOverloadExpr(S); 774} 775 776void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) { 777 VisitExpr(S); 778 ID.AddInteger(S->getTrait()); 779 VisitType(S->getQueriedType()); 780} 781 782void StmtProfiler::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *S) { 783 VisitExpr(S); 784 ID.AddInteger(S->getTrait()); 785 VisitType(S->getLhsType()); 786 VisitType(S->getRhsType()); 787} 788 789void 790StmtProfiler::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *S) { 791 VisitExpr(S); 792 VisitName(S->getDeclName()); 793 VisitNestedNameSpecifier(S->getQualifier()); 794 ID.AddBoolean(S->hasExplicitTemplateArgs()); 795 if (S->hasExplicitTemplateArgs()) 796 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 797} 798 799void StmtProfiler::VisitExprWithCleanups(ExprWithCleanups *S) { 800 VisitExpr(S); 801} 802 803void 804StmtProfiler::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *S) { 805 VisitExpr(S); 806 VisitType(S->getTypeAsWritten()); 807} 808 809void 810StmtProfiler::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *S) { 811 ID.AddBoolean(S->isImplicitAccess()); 812 if (!S->isImplicitAccess()) { 813 VisitExpr(S); 814 ID.AddBoolean(S->isArrow()); 815 } 816 VisitNestedNameSpecifier(S->getQualifier()); 817 VisitName(S->getMember()); 818 ID.AddBoolean(S->hasExplicitTemplateArgs()); 819 if (S->hasExplicitTemplateArgs()) 820 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 821} 822 823void StmtProfiler::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *S) { 824 ID.AddBoolean(S->isImplicitAccess()); 825 if (!S->isImplicitAccess()) { 826 VisitExpr(S); 827 ID.AddBoolean(S->isArrow()); 828 } 829 VisitNestedNameSpecifier(S->getQualifier()); 830 VisitName(S->getMemberName()); 831 ID.AddBoolean(S->hasExplicitTemplateArgs()); 832 if (S->hasExplicitTemplateArgs()) 833 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 834} 835 836void StmtProfiler::VisitCXXNoexceptExpr(CXXNoexceptExpr *S) { 837 VisitExpr(S); 838} 839 840void StmtProfiler::VisitPackExpansionExpr(PackExpansionExpr *S) { 841 VisitExpr(S); 842} 843 844void StmtProfiler::VisitSizeOfPackExpr(SizeOfPackExpr *S) { 845 VisitExpr(S); 846 VisitDecl(S->getPack()); 847} 848 849void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr( 850 SubstNonTypeTemplateParmPackExpr *S) { 851 VisitExpr(S); 852 VisitDecl(S->getParameterPack()); 853 VisitTemplateArgument(S->getArgumentPack()); 854} 855 856void StmtProfiler::VisitOpaqueValueExpr(OpaqueValueExpr *E) { 857 VisitExpr(E); 858} 859 860void StmtProfiler::VisitObjCStringLiteral(ObjCStringLiteral *S) { 861 VisitExpr(S); 862} 863 864void StmtProfiler::VisitObjCEncodeExpr(ObjCEncodeExpr *S) { 865 VisitExpr(S); 866 VisitType(S->getEncodedType()); 867} 868 869void StmtProfiler::VisitObjCSelectorExpr(ObjCSelectorExpr *S) { 870 VisitExpr(S); 871 VisitName(S->getSelector()); 872} 873 874void StmtProfiler::VisitObjCProtocolExpr(ObjCProtocolExpr *S) { 875 VisitExpr(S); 876 VisitDecl(S->getProtocol()); 877} 878 879void StmtProfiler::VisitObjCIvarRefExpr(ObjCIvarRefExpr *S) { 880 VisitExpr(S); 881 VisitDecl(S->getDecl()); 882 ID.AddBoolean(S->isArrow()); 883 ID.AddBoolean(S->isFreeIvar()); 884} 885 886void StmtProfiler::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *S) { 887 VisitExpr(S); 888 if (S->isImplicitProperty()) { 889 VisitDecl(S->getImplicitPropertyGetter()); 890 VisitDecl(S->getImplicitPropertySetter()); 891 } else { 892 VisitDecl(S->getExplicitProperty()); 893 } 894 if (S->isSuperReceiver()) { 895 ID.AddBoolean(S->isSuperReceiver()); 896 VisitType(S->getSuperReceiverType()); 897 } 898} 899 900void StmtProfiler::VisitObjCMessageExpr(ObjCMessageExpr *S) { 901 VisitExpr(S); 902 VisitName(S->getSelector()); 903 VisitDecl(S->getMethodDecl()); 904} 905 906void StmtProfiler::VisitObjCIsaExpr(ObjCIsaExpr *S) { 907 VisitExpr(S); 908 ID.AddBoolean(S->isArrow()); 909} 910 911void StmtProfiler::VisitDecl(Decl *D) { 912 ID.AddInteger(D? D->getKind() : 0); 913 914 if (Canonical && D) { 915 if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(D)) { 916 ID.AddInteger(NTTP->getDepth()); 917 ID.AddInteger(NTTP->getIndex()); 918 ID.AddBoolean(NTTP->isParameterPack()); 919 VisitType(NTTP->getType()); 920 return; 921 } 922 923 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { 924 // The Itanium C++ ABI uses the type of a parameter when mangling 925 // expressions that involve function parameters, so we will use the 926 // parameter's type for establishing function parameter identity. That 927 // way, our definition of "equivalent" (per C++ [temp.over.link]) 928 // matches the definition of "equivalent" used for name mangling. 929 VisitType(Parm->getType()); 930 return; 931 } 932 933 if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) { 934 ID.AddInteger(TTP->getDepth()); 935 ID.AddInteger(TTP->getIndex()); 936 ID.AddBoolean(TTP->isParameterPack()); 937 return; 938 } 939 } 940 941 ID.AddPointer(D? D->getCanonicalDecl() : 0); 942} 943 944void StmtProfiler::VisitType(QualType T) { 945 if (Canonical) 946 T = Context.getCanonicalType(T); 947 948 ID.AddPointer(T.getAsOpaquePtr()); 949} 950 951void StmtProfiler::VisitName(DeclarationName Name) { 952 ID.AddPointer(Name.getAsOpaquePtr()); 953} 954 955void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) { 956 if (Canonical) 957 NNS = Context.getCanonicalNestedNameSpecifier(NNS); 958 ID.AddPointer(NNS); 959} 960 961void StmtProfiler::VisitTemplateName(TemplateName Name) { 962 if (Canonical) 963 Name = Context.getCanonicalTemplateName(Name); 964 965 Name.Profile(ID); 966} 967 968void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args, 969 unsigned NumArgs) { 970 ID.AddInteger(NumArgs); 971 for (unsigned I = 0; I != NumArgs; ++I) 972 VisitTemplateArgument(Args[I].getArgument()); 973} 974 975void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) { 976 // Mostly repetitive with TemplateArgument::Profile! 977 ID.AddInteger(Arg.getKind()); 978 switch (Arg.getKind()) { 979 case TemplateArgument::Null: 980 break; 981 982 case TemplateArgument::Type: 983 VisitType(Arg.getAsType()); 984 break; 985 986 case TemplateArgument::Template: 987 case TemplateArgument::TemplateExpansion: 988 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern()); 989 break; 990 991 case TemplateArgument::Declaration: 992 VisitDecl(Arg.getAsDecl()); 993 break; 994 995 case TemplateArgument::Integral: 996 Arg.getAsIntegral()->Profile(ID); 997 VisitType(Arg.getIntegralType()); 998 break; 999 1000 case TemplateArgument::Expression: 1001 Visit(Arg.getAsExpr()); 1002 break; 1003 1004 case TemplateArgument::Pack: 1005 const TemplateArgument *Pack = Arg.pack_begin(); 1006 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i) 1007 VisitTemplateArgument(Pack[i]); 1008 break; 1009 } 1010} 1011 1012void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 1013 bool Canonical) { 1014 StmtProfiler Profiler(ID, Context, Canonical); 1015 Profiler.Visit(this); 1016} 1017