StmtProfile.cpp revision 8ac2d449820fd0df00fcbde5bf82165c1f49854d
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 if (!Canonical) 215 VisitNestedNameSpecifier(S->getQualifier()); 216 VisitDecl(S->getDecl()); 217 if (!Canonical) 218 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 219} 220 221void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) { 222 VisitExpr(S); 223 ID.AddInteger(S->getIdentType()); 224} 225 226void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) { 227 VisitExpr(S); 228 S->getValue().Profile(ID); 229} 230 231void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) { 232 VisitExpr(S); 233 ID.AddBoolean(S->isWide()); 234 ID.AddInteger(S->getValue()); 235} 236 237void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) { 238 VisitExpr(S); 239 S->getValue().Profile(ID); 240 ID.AddBoolean(S->isExact()); 241} 242 243void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) { 244 VisitExpr(S); 245} 246 247void StmtProfiler::VisitStringLiteral(StringLiteral *S) { 248 VisitExpr(S); 249 ID.AddString(S->getString()); 250 ID.AddBoolean(S->isWide()); 251} 252 253void StmtProfiler::VisitParenExpr(ParenExpr *S) { 254 VisitExpr(S); 255} 256 257void StmtProfiler::VisitParenListExpr(ParenListExpr *S) { 258 VisitExpr(S); 259} 260 261void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) { 262 VisitExpr(S); 263 ID.AddInteger(S->getOpcode()); 264} 265 266void StmtProfiler::VisitOffsetOfExpr(OffsetOfExpr *S) { 267 VisitType(S->getTypeSourceInfo()->getType()); 268 unsigned n = S->getNumComponents(); 269 for (unsigned i = 0; i < n; ++i) { 270 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i); 271 ID.AddInteger(ON.getKind()); 272 switch (ON.getKind()) { 273 case OffsetOfExpr::OffsetOfNode::Array: 274 // Expressions handled below. 275 break; 276 277 case OffsetOfExpr::OffsetOfNode::Field: 278 VisitDecl(ON.getField()); 279 break; 280 281 case OffsetOfExpr::OffsetOfNode::Identifier: 282 ID.AddPointer(ON.getFieldName()); 283 break; 284 285 case OffsetOfExpr::OffsetOfNode::Base: 286 // These nodes are implicit, and therefore don't need profiling. 287 break; 288 } 289 } 290 291 VisitExpr(S); 292} 293 294void StmtProfiler::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S) { 295 VisitExpr(S); 296 ID.AddBoolean(S->isSizeOf()); 297 if (S->isArgumentType()) 298 VisitType(S->getArgumentType()); 299} 300 301void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) { 302 VisitExpr(S); 303} 304 305void StmtProfiler::VisitCallExpr(CallExpr *S) { 306 VisitExpr(S); 307} 308 309void StmtProfiler::VisitMemberExpr(MemberExpr *S) { 310 VisitExpr(S); 311 VisitDecl(S->getMemberDecl()); 312 if (!Canonical) 313 VisitNestedNameSpecifier(S->getQualifier()); 314 ID.AddBoolean(S->isArrow()); 315} 316 317void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) { 318 VisitExpr(S); 319 ID.AddBoolean(S->isFileScope()); 320} 321 322void StmtProfiler::VisitCastExpr(CastExpr *S) { 323 VisitExpr(S); 324} 325 326void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) { 327 VisitCastExpr(S); 328 ID.AddInteger(S->getValueKind()); 329} 330 331void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) { 332 VisitCastExpr(S); 333 VisitType(S->getTypeAsWritten()); 334} 335 336void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) { 337 VisitExplicitCastExpr(S); 338} 339 340void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) { 341 VisitExpr(S); 342 ID.AddInteger(S->getOpcode()); 343} 344 345void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) { 346 VisitBinaryOperator(S); 347} 348 349void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) { 350 VisitExpr(S); 351} 352 353void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) { 354 VisitExpr(S); 355 VisitName(S->getLabel()->getID()); 356} 357 358void StmtProfiler::VisitStmtExpr(StmtExpr *S) { 359 VisitExpr(S); 360} 361 362void StmtProfiler::VisitTypesCompatibleExpr(TypesCompatibleExpr *S) { 363 VisitExpr(S); 364 VisitType(S->getArgType1()); 365 VisitType(S->getArgType2()); 366} 367 368void StmtProfiler::VisitShuffleVectorExpr(ShuffleVectorExpr *S) { 369 VisitExpr(S); 370} 371 372void StmtProfiler::VisitChooseExpr(ChooseExpr *S) { 373 VisitExpr(S); 374} 375 376void StmtProfiler::VisitGNUNullExpr(GNUNullExpr *S) { 377 VisitExpr(S); 378} 379 380void StmtProfiler::VisitVAArgExpr(VAArgExpr *S) { 381 VisitExpr(S); 382} 383 384void StmtProfiler::VisitInitListExpr(InitListExpr *S) { 385 if (S->getSyntacticForm()) { 386 VisitInitListExpr(S->getSyntacticForm()); 387 return; 388 } 389 390 VisitExpr(S); 391} 392 393void StmtProfiler::VisitDesignatedInitExpr(DesignatedInitExpr *S) { 394 VisitExpr(S); 395 ID.AddBoolean(S->usesGNUSyntax()); 396 for (DesignatedInitExpr::designators_iterator D = S->designators_begin(), 397 DEnd = S->designators_end(); 398 D != DEnd; ++D) { 399 if (D->isFieldDesignator()) { 400 ID.AddInteger(0); 401 VisitName(D->getFieldName()); 402 continue; 403 } 404 405 if (D->isArrayDesignator()) { 406 ID.AddInteger(1); 407 } else { 408 assert(D->isArrayRangeDesignator()); 409 ID.AddInteger(2); 410 } 411 ID.AddInteger(D->getFirstExprIndex()); 412 } 413} 414 415void StmtProfiler::VisitImplicitValueInitExpr(ImplicitValueInitExpr *S) { 416 VisitExpr(S); 417} 418 419void StmtProfiler::VisitExtVectorElementExpr(ExtVectorElementExpr *S) { 420 VisitExpr(S); 421 VisitName(&S->getAccessor()); 422} 423 424void StmtProfiler::VisitBlockExpr(BlockExpr *S) { 425 VisitExpr(S); 426 VisitDecl(S->getBlockDecl()); 427} 428 429void StmtProfiler::VisitBlockDeclRefExpr(BlockDeclRefExpr *S) { 430 VisitExpr(S); 431 VisitDecl(S->getDecl()); 432 ID.AddBoolean(S->isByRef()); 433 ID.AddBoolean(S->isConstQualAdded()); 434 if (S->getCopyConstructorExpr()) 435 Visit(S->getCopyConstructorExpr()); 436} 437 438static Stmt::StmtClass DecodeOperatorCall(CXXOperatorCallExpr *S, 439 UnaryOperatorKind &UnaryOp, 440 BinaryOperatorKind &BinaryOp) { 441 switch (S->getOperator()) { 442 case OO_None: 443 case OO_New: 444 case OO_Delete: 445 case OO_Array_New: 446 case OO_Array_Delete: 447 case OO_Arrow: 448 case OO_Call: 449 case OO_Conditional: 450 case NUM_OVERLOADED_OPERATORS: 451 llvm_unreachable("Invalid operator call kind"); 452 return Stmt::ArraySubscriptExprClass; 453 454 case OO_Plus: 455 if (S->getNumArgs() == 1) { 456 UnaryOp = UO_Plus; 457 return Stmt::UnaryOperatorClass; 458 } 459 460 BinaryOp = BO_Add; 461 return Stmt::BinaryOperatorClass; 462 463 case OO_Minus: 464 if (S->getNumArgs() == 1) { 465 UnaryOp = UO_Minus; 466 return Stmt::UnaryOperatorClass; 467 } 468 469 BinaryOp = BO_Sub; 470 return Stmt::BinaryOperatorClass; 471 472 case OO_Star: 473 if (S->getNumArgs() == 1) { 474 UnaryOp = UO_Minus; 475 return Stmt::UnaryOperatorClass; 476 } 477 478 BinaryOp = BO_Sub; 479 return Stmt::BinaryOperatorClass; 480 481 case OO_Slash: 482 BinaryOp = BO_Div; 483 return Stmt::BinaryOperatorClass; 484 485 case OO_Percent: 486 BinaryOp = BO_Rem; 487 return Stmt::BinaryOperatorClass; 488 489 case OO_Caret: 490 BinaryOp = BO_Xor; 491 return Stmt::BinaryOperatorClass; 492 493 case OO_Amp: 494 if (S->getNumArgs() == 1) { 495 UnaryOp = UO_AddrOf; 496 return Stmt::UnaryOperatorClass; 497 } 498 499 BinaryOp = BO_And; 500 return Stmt::BinaryOperatorClass; 501 502 case OO_Pipe: 503 BinaryOp = BO_Or; 504 return Stmt::BinaryOperatorClass; 505 506 case OO_Tilde: 507 UnaryOp = UO_Not; 508 return Stmt::UnaryOperatorClass; 509 510 case OO_Exclaim: 511 UnaryOp = UO_LNot; 512 return Stmt::UnaryOperatorClass; 513 514 case OO_Equal: 515 BinaryOp = BO_Assign; 516 return Stmt::BinaryOperatorClass; 517 518 case OO_Less: 519 BinaryOp = BO_LT; 520 return Stmt::BinaryOperatorClass; 521 522 case OO_Greater: 523 BinaryOp = BO_GT; 524 return Stmt::BinaryOperatorClass; 525 526 case OO_PlusEqual: 527 BinaryOp = BO_AddAssign; 528 return Stmt::CompoundAssignOperatorClass; 529 530 case OO_MinusEqual: 531 BinaryOp = BO_SubAssign; 532 return Stmt::CompoundAssignOperatorClass; 533 534 case OO_StarEqual: 535 BinaryOp = BO_MulAssign; 536 return Stmt::CompoundAssignOperatorClass; 537 538 case OO_SlashEqual: 539 BinaryOp = BO_DivAssign; 540 return Stmt::CompoundAssignOperatorClass; 541 542 case OO_PercentEqual: 543 BinaryOp = BO_RemAssign; 544 return Stmt::CompoundAssignOperatorClass; 545 546 case OO_CaretEqual: 547 BinaryOp = BO_XorAssign; 548 return Stmt::CompoundAssignOperatorClass; 549 550 case OO_AmpEqual: 551 BinaryOp = BO_AndAssign; 552 return Stmt::CompoundAssignOperatorClass; 553 554 case OO_PipeEqual: 555 BinaryOp = BO_OrAssign; 556 return Stmt::CompoundAssignOperatorClass; 557 558 case OO_LessLess: 559 BinaryOp = BO_Shl; 560 return Stmt::BinaryOperatorClass; 561 562 case OO_GreaterGreater: 563 BinaryOp = BO_Shr; 564 return Stmt::BinaryOperatorClass; 565 566 case OO_LessLessEqual: 567 BinaryOp = BO_ShlAssign; 568 return Stmt::CompoundAssignOperatorClass; 569 570 case OO_GreaterGreaterEqual: 571 BinaryOp = BO_ShrAssign; 572 return Stmt::CompoundAssignOperatorClass; 573 574 case OO_EqualEqual: 575 BinaryOp = BO_EQ; 576 return Stmt::BinaryOperatorClass; 577 578 case OO_ExclaimEqual: 579 BinaryOp = BO_NE; 580 return Stmt::BinaryOperatorClass; 581 582 case OO_LessEqual: 583 BinaryOp = BO_LE; 584 return Stmt::BinaryOperatorClass; 585 586 case OO_GreaterEqual: 587 BinaryOp = BO_GE; 588 return Stmt::BinaryOperatorClass; 589 590 case OO_AmpAmp: 591 BinaryOp = BO_LAnd; 592 return Stmt::BinaryOperatorClass; 593 594 case OO_PipePipe: 595 BinaryOp = BO_LOr; 596 return Stmt::BinaryOperatorClass; 597 598 case OO_PlusPlus: 599 UnaryOp = S->getNumArgs() == 1? UO_PreInc 600 : UO_PostInc; 601 return Stmt::UnaryOperatorClass; 602 603 case OO_MinusMinus: 604 UnaryOp = S->getNumArgs() == 1? UO_PreDec 605 : UO_PostDec; 606 return Stmt::UnaryOperatorClass; 607 608 case OO_Comma: 609 BinaryOp = BO_Comma; 610 return Stmt::BinaryOperatorClass; 611 612 613 case OO_ArrowStar: 614 BinaryOp = BO_PtrMemI; 615 return Stmt::BinaryOperatorClass; 616 617 case OO_Subscript: 618 return Stmt::ArraySubscriptExprClass; 619 } 620 621 llvm_unreachable("Invalid overloaded operator expression"); 622} 623 624 625void StmtProfiler::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S) { 626 if (S->isTypeDependent()) { 627 // Type-dependent operator calls are profiled like their underlying 628 // syntactic operator. 629 UnaryOperatorKind UnaryOp = UO_Extension; 630 BinaryOperatorKind BinaryOp = BO_Comma; 631 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp); 632 633 ID.AddInteger(SC); 634 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I) 635 Visit(S->getArg(I)); 636 if (SC == Stmt::UnaryOperatorClass) 637 ID.AddInteger(UnaryOp); 638 else if (SC == Stmt::BinaryOperatorClass || 639 SC == Stmt::CompoundAssignOperatorClass) 640 ID.AddInteger(BinaryOp); 641 else 642 assert(SC == Stmt::ArraySubscriptExprClass); 643 644 return; 645 } 646 647 VisitCallExpr(S); 648 ID.AddInteger(S->getOperator()); 649} 650 651void StmtProfiler::VisitCXXMemberCallExpr(CXXMemberCallExpr *S) { 652 VisitCallExpr(S); 653} 654 655void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) { 656 VisitExplicitCastExpr(S); 657} 658 659void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) { 660 VisitCXXNamedCastExpr(S); 661} 662 663void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) { 664 VisitCXXNamedCastExpr(S); 665} 666 667void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) { 668 VisitCXXNamedCastExpr(S); 669} 670 671void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) { 672 VisitCXXNamedCastExpr(S); 673} 674 675void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) { 676 VisitExpr(S); 677 ID.AddBoolean(S->getValue()); 678} 679 680void StmtProfiler::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *S) { 681 VisitExpr(S); 682} 683 684void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) { 685 VisitExpr(S); 686 if (S->isTypeOperand()) 687 VisitType(S->getTypeOperand()); 688} 689 690void StmtProfiler::VisitCXXUuidofExpr(CXXUuidofExpr *S) { 691 VisitExpr(S); 692 if (S->isTypeOperand()) 693 VisitType(S->getTypeOperand()); 694} 695 696void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) { 697 VisitExpr(S); 698} 699 700void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) { 701 VisitExpr(S); 702} 703 704void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) { 705 VisitExpr(S); 706 VisitDecl(S->getParam()); 707} 708 709void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) { 710 VisitExpr(S); 711 VisitDecl( 712 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor())); 713} 714 715void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) { 716 VisitExpr(S); 717 VisitDecl(S->getConstructor()); 718 ID.AddBoolean(S->isElidable()); 719} 720 721void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) { 722 VisitExplicitCastExpr(S); 723} 724 725void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) { 726 VisitCXXConstructExpr(S); 727} 728 729void StmtProfiler::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *S) { 730 VisitExpr(S); 731} 732 733void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) { 734 VisitExpr(S); 735 ID.AddBoolean(S->isGlobalDelete()); 736 ID.AddBoolean(S->isArrayForm()); 737 VisitDecl(S->getOperatorDelete()); 738} 739 740 741void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) { 742 VisitExpr(S); 743 VisitType(S->getAllocatedType()); 744 VisitDecl(S->getOperatorNew()); 745 VisitDecl(S->getOperatorDelete()); 746 VisitDecl(S->getConstructor()); 747 ID.AddBoolean(S->isArray()); 748 ID.AddInteger(S->getNumPlacementArgs()); 749 ID.AddBoolean(S->isGlobalNew()); 750 ID.AddBoolean(S->isParenTypeId()); 751 ID.AddBoolean(S->hasInitializer()); 752 ID.AddInteger(S->getNumConstructorArgs()); 753} 754 755void StmtProfiler::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *S) { 756 VisitExpr(S); 757 ID.AddBoolean(S->isArrow()); 758 VisitNestedNameSpecifier(S->getQualifier()); 759 VisitType(S->getDestroyedType()); 760} 761 762void StmtProfiler::VisitOverloadExpr(OverloadExpr *S) { 763 VisitExpr(S); 764 VisitNestedNameSpecifier(S->getQualifier()); 765 VisitName(S->getName()); 766 ID.AddBoolean(S->hasExplicitTemplateArgs()); 767 if (S->hasExplicitTemplateArgs()) 768 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(), 769 S->getExplicitTemplateArgs().NumTemplateArgs); 770} 771 772void 773StmtProfiler::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *S) { 774 VisitOverloadExpr(S); 775} 776 777void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) { 778 VisitExpr(S); 779 ID.AddInteger(S->getTrait()); 780 VisitType(S->getQueriedType()); 781} 782 783void 784StmtProfiler::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *S) { 785 VisitExpr(S); 786 VisitName(S->getDeclName()); 787 VisitNestedNameSpecifier(S->getQualifier()); 788 ID.AddBoolean(S->hasExplicitTemplateArgs()); 789 if (S->hasExplicitTemplateArgs()) 790 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 791} 792 793void StmtProfiler::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *S) { 794 VisitExpr(S); 795 for (unsigned I = 0, N = S->getNumTemporaries(); I != N; ++I) 796 VisitDecl( 797 const_cast<CXXDestructorDecl *>(S->getTemporary(I)->getDestructor())); 798} 799 800void 801StmtProfiler::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *S) { 802 VisitExpr(S); 803 VisitType(S->getTypeAsWritten()); 804} 805 806void 807StmtProfiler::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *S) { 808 ID.AddBoolean(S->isImplicitAccess()); 809 if (!S->isImplicitAccess()) { 810 VisitExpr(S); 811 ID.AddBoolean(S->isArrow()); 812 } 813 VisitNestedNameSpecifier(S->getQualifier()); 814 VisitName(S->getMember()); 815 ID.AddBoolean(S->hasExplicitTemplateArgs()); 816 if (S->hasExplicitTemplateArgs()) 817 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 818} 819 820void StmtProfiler::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *S) { 821 ID.AddBoolean(S->isImplicitAccess()); 822 if (!S->isImplicitAccess()) { 823 VisitExpr(S); 824 ID.AddBoolean(S->isArrow()); 825 } 826 VisitNestedNameSpecifier(S->getQualifier()); 827 VisitName(S->getMemberName()); 828 ID.AddBoolean(S->hasExplicitTemplateArgs()); 829 if (S->hasExplicitTemplateArgs()) 830 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 831} 832 833void StmtProfiler::VisitCXXNoexceptExpr(CXXNoexceptExpr *S) { 834 VisitExpr(S); 835} 836 837void StmtProfiler::VisitObjCStringLiteral(ObjCStringLiteral *S) { 838 VisitExpr(S); 839} 840 841void StmtProfiler::VisitObjCEncodeExpr(ObjCEncodeExpr *S) { 842 VisitExpr(S); 843 VisitType(S->getEncodedType()); 844} 845 846void StmtProfiler::VisitObjCSelectorExpr(ObjCSelectorExpr *S) { 847 VisitExpr(S); 848 VisitName(S->getSelector()); 849} 850 851void StmtProfiler::VisitObjCProtocolExpr(ObjCProtocolExpr *S) { 852 VisitExpr(S); 853 VisitDecl(S->getProtocol()); 854} 855 856void StmtProfiler::VisitObjCIvarRefExpr(ObjCIvarRefExpr *S) { 857 VisitExpr(S); 858 VisitDecl(S->getDecl()); 859 ID.AddBoolean(S->isArrow()); 860 ID.AddBoolean(S->isFreeIvar()); 861} 862 863void StmtProfiler::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *S) { 864 VisitExpr(S); 865 VisitDecl(S->getProperty()); 866 if (S->isSuperReceiver()) { 867 ID.AddBoolean(S->isSuperReceiver()); 868 VisitType(S->getSuperType()); 869 } 870} 871 872void StmtProfiler::VisitObjCImplicitSetterGetterRefExpr( 873 ObjCImplicitSetterGetterRefExpr *S) { 874 VisitExpr(S); 875 VisitDecl(S->getGetterMethod()); 876 VisitDecl(S->getSetterMethod()); 877 VisitDecl(S->getInterfaceDecl()); 878 if (S->isSuperReceiver()) { 879 ID.AddBoolean(S->isSuperReceiver()); 880 VisitType(S->getSuperType()); 881 } 882} 883 884void StmtProfiler::VisitObjCMessageExpr(ObjCMessageExpr *S) { 885 VisitExpr(S); 886 VisitName(S->getSelector()); 887 VisitDecl(S->getMethodDecl()); 888} 889 890void StmtProfiler::VisitObjCIsaExpr(ObjCIsaExpr *S) { 891 VisitExpr(S); 892 ID.AddBoolean(S->isArrow()); 893} 894 895void StmtProfiler::VisitDecl(Decl *D) { 896 ID.AddInteger(D? D->getKind() : 0); 897 898 if (Canonical && D) { 899 if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(D)) { 900 ID.AddInteger(NTTP->getDepth()); 901 ID.AddInteger(NTTP->getIndex()); 902 VisitType(NTTP->getType()); 903 return; 904 } 905 906 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { 907 // The Itanium C++ ABI uses the type of a parameter when mangling 908 // expressions that involve function parameters, so we will use the 909 // parameter's type for establishing function parameter identity. That 910 // way, our definition of "equivalent" (per C++ [temp.over.link]) 911 // matches the definition of "equivalent" used for name mangling. 912 VisitType(Parm->getType()); 913 return; 914 } 915 916 if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) { 917 ID.AddInteger(TTP->getDepth()); 918 ID.AddInteger(TTP->getIndex()); 919 return; 920 } 921 } 922 923 ID.AddPointer(D? D->getCanonicalDecl() : 0); 924} 925 926void StmtProfiler::VisitType(QualType T) { 927 if (Canonical) 928 T = Context.getCanonicalType(T); 929 930 ID.AddPointer(T.getAsOpaquePtr()); 931} 932 933void StmtProfiler::VisitName(DeclarationName Name) { 934 ID.AddPointer(Name.getAsOpaquePtr()); 935} 936 937void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) { 938 if (Canonical) 939 NNS = Context.getCanonicalNestedNameSpecifier(NNS); 940 ID.AddPointer(NNS); 941} 942 943void StmtProfiler::VisitTemplateName(TemplateName Name) { 944 if (Canonical) 945 Name = Context.getCanonicalTemplateName(Name); 946 947 Name.Profile(ID); 948} 949 950void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args, 951 unsigned NumArgs) { 952 ID.AddInteger(NumArgs); 953 for (unsigned I = 0; I != NumArgs; ++I) 954 VisitTemplateArgument(Args[I].getArgument()); 955} 956 957void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) { 958 // Mostly repetitive with TemplateArgument::Profile! 959 ID.AddInteger(Arg.getKind()); 960 switch (Arg.getKind()) { 961 case TemplateArgument::Null: 962 break; 963 964 case TemplateArgument::Type: 965 VisitType(Arg.getAsType()); 966 break; 967 968 case TemplateArgument::Template: 969 VisitTemplateName(Arg.getAsTemplate()); 970 break; 971 972 case TemplateArgument::Declaration: 973 VisitDecl(Arg.getAsDecl()); 974 break; 975 976 case TemplateArgument::Integral: 977 Arg.getAsIntegral()->Profile(ID); 978 VisitType(Arg.getIntegralType()); 979 break; 980 981 case TemplateArgument::Expression: 982 Visit(Arg.getAsExpr()); 983 break; 984 985 case TemplateArgument::Pack: 986 const TemplateArgument *Pack = Arg.pack_begin(); 987 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i) 988 VisitTemplateArgument(Pack[i]); 989 break; 990 } 991} 992 993void Stmt::Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 994 bool Canonical) { 995 StmtProfiler Profiler(ID, Context, Canonical); 996 Profiler.Visit(this); 997} 998