StmtProfile.cpp revision a2ffb983a4db32e11860a65309e8e2b72f556763
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" 23#include "llvm/Support/Compiler.h" 24using namespace clang; 25 26namespace { 27 class VISIBILITY_HIDDEN StmtProfiler : public StmtVisitor<StmtProfiler> { 28 llvm::FoldingSetNodeID &ID; 29 ASTContext &Context; 30 bool Canonical; 31 32 public: 33 StmtProfiler(llvm::FoldingSetNodeID &ID, ASTContext &Context, 34 bool Canonical) 35 : ID(ID), Context(Context), Canonical(Canonical) { } 36 37 void VisitStmt(Stmt *S); 38 39#define STMT(Node, Base) void Visit##Node(Node *S); 40#include "clang/AST/StmtNodes.def" 41 42 /// \brief Visit a declaration that is referenced within an expression 43 /// or statement. 44 void VisitDecl(Decl *D); 45 46 /// \brief Visit a type that is referenced within an expression or 47 /// statement. 48 void VisitType(QualType T); 49 50 /// \brief Visit a name that occurs within an expression or statement. 51 void VisitName(DeclarationName Name); 52 53 /// \brief Visit a nested-name-specifier that occurs within an expression 54 /// or statement. 55 void VisitNestedNameSpecifier(NestedNameSpecifier *NNS); 56 57 /// \brief Visit a template name that occurs within an expression or 58 /// statement. 59 void VisitTemplateName(TemplateName Name); 60 61 /// \brief Visit template arguments that occur within an expression or 62 /// statement. 63 void VisitTemplateArguments(const TemplateArgument *Args, unsigned NumArgs); 64 }; 65} 66 67void StmtProfiler::VisitStmt(Stmt *S) { 68 ID.AddInteger(S->getStmtClass()); 69 for (Stmt::child_iterator C = S->child_begin(), CEnd = S->child_end(); 70 C != CEnd; ++C) 71 Visit(*C); 72} 73 74void StmtProfiler::VisitDeclStmt(DeclStmt *S) { 75 VisitStmt(S); 76 for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end(); 77 D != DEnd; ++D) 78 VisitDecl(*D); 79} 80 81void StmtProfiler::VisitNullStmt(NullStmt *S) { 82 VisitStmt(S); 83} 84 85void StmtProfiler::VisitCompoundStmt(CompoundStmt *S) { 86 VisitStmt(S); 87} 88 89void StmtProfiler::VisitSwitchCase(SwitchCase *S) { 90 VisitStmt(S); 91} 92 93void StmtProfiler::VisitCaseStmt(CaseStmt *S) { 94 VisitStmt(S); 95} 96 97void StmtProfiler::VisitDefaultStmt(DefaultStmt *S) { 98 VisitStmt(S); 99} 100 101void StmtProfiler::VisitLabelStmt(LabelStmt *S) { 102 VisitStmt(S); 103 VisitName(S->getID()); 104} 105 106void StmtProfiler::VisitIfStmt(IfStmt *S) { 107 VisitStmt(S); 108} 109 110void StmtProfiler::VisitSwitchStmt(SwitchStmt *S) { 111 VisitStmt(S); 112} 113 114void StmtProfiler::VisitWhileStmt(WhileStmt *S) { 115 VisitStmt(S); 116} 117 118void StmtProfiler::VisitDoStmt(DoStmt *S) { 119 VisitStmt(S); 120} 121 122void StmtProfiler::VisitForStmt(ForStmt *S) { 123 VisitStmt(S); 124} 125 126void StmtProfiler::VisitGotoStmt(GotoStmt *S) { 127 VisitStmt(S); 128 VisitName(S->getLabel()->getID()); 129} 130 131void StmtProfiler::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 132 VisitStmt(S); 133} 134 135void StmtProfiler::VisitContinueStmt(ContinueStmt *S) { 136 VisitStmt(S); 137} 138 139void StmtProfiler::VisitBreakStmt(BreakStmt *S) { 140 VisitStmt(S); 141} 142 143void StmtProfiler::VisitReturnStmt(ReturnStmt *S) { 144 VisitStmt(S); 145} 146 147void StmtProfiler::VisitAsmStmt(AsmStmt *S) { 148 VisitStmt(S); 149 ID.AddBoolean(S->isVolatile()); 150 ID.AddBoolean(S->isSimple()); 151 VisitStringLiteral(S->getAsmString()); 152 ID.AddInteger(S->getNumOutputs()); 153 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 154 ID.AddString(S->getOutputName(I)); 155 VisitStringLiteral(S->getOutputConstraintLiteral(I)); 156 } 157 ID.AddInteger(S->getNumInputs()); 158 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 159 ID.AddString(S->getInputName(I)); 160 VisitStringLiteral(S->getInputConstraintLiteral(I)); 161 } 162 ID.AddInteger(S->getNumClobbers()); 163 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 164 VisitStringLiteral(S->getClobber(I)); 165} 166 167void StmtProfiler::VisitCXXCatchStmt(CXXCatchStmt *S) { 168 VisitStmt(S); 169 VisitType(S->getCaughtType()); 170} 171 172void StmtProfiler::VisitCXXTryStmt(CXXTryStmt *S) { 173 VisitStmt(S); 174} 175 176void StmtProfiler::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 177 VisitStmt(S); 178} 179 180void StmtProfiler::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 181 VisitStmt(S); 182 ID.AddBoolean(S->hasEllipsis()); 183 if (S->getCatchParamDecl()) 184 VisitType(S->getCatchParamDecl()->getType()); 185} 186 187void StmtProfiler::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 188 VisitStmt(S); 189} 190 191void StmtProfiler::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 192 VisitStmt(S); 193} 194 195void StmtProfiler::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 196 VisitStmt(S); 197} 198 199void StmtProfiler::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 200 VisitStmt(S); 201} 202 203void StmtProfiler::VisitExpr(Expr *S) { 204 VisitStmt(S); 205} 206 207void StmtProfiler::VisitDeclRefExpr(DeclRefExpr *S) { 208 VisitExpr(S); 209 VisitDecl(S->getDecl()); 210} 211 212void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) { 213 VisitExpr(S); 214 ID.AddInteger(S->getIdentType()); 215} 216 217void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) { 218 VisitExpr(S); 219 S->getValue().Profile(ID); 220} 221 222void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) { 223 VisitExpr(S); 224 ID.AddBoolean(S->isWide()); 225 ID.AddInteger(S->getValue()); 226} 227 228void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) { 229 VisitExpr(S); 230 S->getValue().Profile(ID); 231 ID.AddBoolean(S->isExact()); 232} 233 234void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) { 235 VisitExpr(S); 236} 237 238void StmtProfiler::VisitStringLiteral(StringLiteral *S) { 239 VisitExpr(S); 240 ID.AddString(S->getStrData(), S->getStrData() + S->getByteLength()); 241 ID.AddBoolean(S->isWide()); 242} 243 244void StmtProfiler::VisitParenExpr(ParenExpr *S) { 245 VisitExpr(S); 246} 247 248void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) { 249 VisitExpr(S); 250 ID.AddInteger(S->getOpcode()); 251} 252 253void StmtProfiler::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S) { 254 VisitExpr(S); 255 ID.AddBoolean(S->isSizeOf()); 256 if (S->isArgumentType()) 257 VisitType(S->getArgumentType()); 258} 259 260void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) { 261 VisitExpr(S); 262} 263 264void StmtProfiler::VisitCallExpr(CallExpr *S) { 265 VisitExpr(S); 266} 267 268void StmtProfiler::VisitMemberExpr(MemberExpr *S) { 269 VisitExpr(S); 270 VisitDecl(S->getMemberDecl()); 271 ID.AddBoolean(S->isArrow()); 272} 273 274void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) { 275 VisitExpr(S); 276 ID.AddBoolean(S->isFileScope()); 277} 278 279void StmtProfiler::VisitCastExpr(CastExpr *S) { 280 VisitExpr(S); 281} 282 283void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) { 284 VisitCastExpr(S); 285 ID.AddBoolean(S->isLvalueCast()); 286} 287 288void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) { 289 VisitCastExpr(S); 290 VisitType(S->getTypeAsWritten()); 291} 292 293void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) { 294 VisitExplicitCastExpr(S); 295} 296 297void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) { 298 VisitExpr(S); 299 ID.AddInteger(S->getOpcode()); 300} 301 302void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) { 303 VisitBinaryOperator(S); 304} 305 306void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) { 307 VisitExpr(S); 308} 309 310void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) { 311 VisitExpr(S); 312 VisitName(S->getLabel()->getID()); 313} 314 315void StmtProfiler::VisitStmtExpr(StmtExpr *S) { 316 VisitExpr(S); 317} 318 319void StmtProfiler::VisitTypesCompatibleExpr(TypesCompatibleExpr *S) { 320 VisitExpr(S); 321 VisitType(S->getArgType1()); 322 VisitType(S->getArgType2()); 323} 324 325void StmtProfiler::VisitShuffleVectorExpr(ShuffleVectorExpr *S) { 326 VisitExpr(S); 327} 328 329void StmtProfiler::VisitChooseExpr(ChooseExpr *S) { 330 VisitExpr(S); 331} 332 333void StmtProfiler::VisitGNUNullExpr(GNUNullExpr *S) { 334 VisitExpr(S); 335} 336 337void StmtProfiler::VisitVAArgExpr(VAArgExpr *S) { 338 VisitExpr(S); 339} 340 341void StmtProfiler::VisitInitListExpr(InitListExpr *S) { 342 if (S->getSyntacticForm()) { 343 VisitInitListExpr(S->getSyntacticForm()); 344 return; 345 } 346 347 VisitExpr(S); 348} 349 350void StmtProfiler::VisitDesignatedInitExpr(DesignatedInitExpr *S) { 351 VisitExpr(S); 352 ID.AddBoolean(S->usesGNUSyntax()); 353 for (DesignatedInitExpr::designators_iterator D = S->designators_begin(), 354 DEnd = S->designators_end(); 355 D != DEnd; ++D) { 356 if (D->isFieldDesignator()) { 357 ID.AddInteger(0); 358 VisitName(D->getFieldName()); 359 continue; 360 } 361 362 if (D->isArrayDesignator()) { 363 ID.AddInteger(1); 364 } else { 365 assert(D->isArrayRangeDesignator()); 366 ID.AddInteger(2); 367 } 368 ID.AddInteger(D->getFirstExprIndex()); 369 } 370} 371 372void StmtProfiler::VisitImplicitValueInitExpr(ImplicitValueInitExpr *S) { 373 VisitExpr(S); 374} 375 376void StmtProfiler::VisitExtVectorElementExpr(ExtVectorElementExpr *S) { 377 VisitExpr(S); 378 VisitName(&S->getAccessor()); 379} 380 381void StmtProfiler::VisitBlockExpr(BlockExpr *S) { 382 VisitExpr(S); 383 VisitDecl(S->getBlockDecl()); 384} 385 386void StmtProfiler::VisitBlockDeclRefExpr(BlockDeclRefExpr *S) { 387 VisitExpr(S); 388 VisitDecl(S->getDecl()); 389 ID.AddBoolean(S->isByRef()); 390 ID.AddBoolean(S->isConstQualAdded()); 391} 392 393void StmtProfiler::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S) { 394 VisitCallExpr(S); 395 ID.AddInteger(S->getOperator()); 396} 397 398void StmtProfiler::VisitCXXMemberCallExpr(CXXMemberCallExpr *S) { 399 VisitCallExpr(S); 400} 401 402void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) { 403 VisitExplicitCastExpr(S); 404} 405 406void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) { 407 VisitCXXNamedCastExpr(S); 408} 409 410void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) { 411 VisitCXXNamedCastExpr(S); 412} 413 414void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) { 415 VisitCXXNamedCastExpr(S); 416} 417 418void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) { 419 VisitCXXNamedCastExpr(S); 420} 421 422void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) { 423 VisitExpr(S); 424 ID.AddBoolean(S->getValue()); 425} 426 427void StmtProfiler::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *S) { 428 VisitExpr(S); 429} 430 431void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) { 432 VisitExpr(S); 433 if (S->isTypeOperand()) 434 VisitType(S->getTypeOperand()); 435} 436 437void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) { 438 VisitExpr(S); 439} 440 441void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) { 442 VisitExpr(S); 443} 444 445void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) { 446 VisitExpr(S); 447 VisitDecl(S->getParam()); 448} 449 450void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) { 451 VisitExpr(S); 452 VisitDecl( 453 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor())); 454} 455 456void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) { 457 VisitExpr(S); 458 VisitDecl(S->getConstructor()); 459 ID.AddBoolean(S->isElidable()); 460} 461 462void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) { 463 VisitExplicitCastExpr(S); 464} 465 466void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) { 467 VisitCXXConstructExpr(S); 468} 469 470void StmtProfiler::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *S) { 471 VisitExpr(S); 472} 473 474void StmtProfiler::VisitCXXConditionDeclExpr(CXXConditionDeclExpr *S) { 475 VisitDeclRefExpr(S); 476} 477 478void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) { 479 VisitExpr(S); 480 ID.AddBoolean(S->isGlobalDelete()); 481 ID.AddBoolean(S->isArrayForm()); 482 VisitDecl(S->getOperatorDelete()); 483} 484 485 486void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) { 487 VisitExpr(S); 488 VisitType(S->getAllocatedType()); 489 VisitDecl(S->getOperatorNew()); 490 VisitDecl(S->getOperatorDelete()); 491 VisitDecl(S->getConstructor()); 492 ID.AddBoolean(S->isArray()); 493 ID.AddInteger(S->getNumPlacementArgs()); 494 ID.AddBoolean(S->isGlobalNew()); 495 ID.AddBoolean(S->isParenTypeId()); 496 ID.AddBoolean(S->hasInitializer()); 497 ID.AddInteger(S->getNumConstructorArgs()); 498} 499 500void 501StmtProfiler::VisitUnresolvedFunctionNameExpr(UnresolvedFunctionNameExpr *S) { 502 VisitExpr(S); 503 VisitName(S->getName()); 504} 505 506void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) { 507 VisitExpr(S); 508 ID.AddInteger(S->getTrait()); 509 VisitType(S->getQueriedType()); 510} 511 512void StmtProfiler::VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *S) { 513 VisitDeclRefExpr(S); 514 VisitNestedNameSpecifier(S->getQualifier()); 515} 516 517void StmtProfiler::VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *S) { 518 VisitExpr(S); 519 VisitName(S->getDeclName()); 520 VisitNestedNameSpecifier(S->getQualifier()); 521 ID.AddBoolean(S->isAddressOfOperand()); 522} 523 524void StmtProfiler::VisitTemplateIdRefExpr(TemplateIdRefExpr *S) { 525 VisitExpr(S); 526 VisitNestedNameSpecifier(S->getQualifier()); 527 VisitTemplateName(S->getTemplateName()); 528 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 529} 530 531void StmtProfiler::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *S) { 532 VisitExpr(S); 533 ID.AddBoolean(S->shouldDestroyTemporaries()); 534 for (unsigned I = 0, N = S->getNumTemporaries(); I != N; ++I) 535 VisitDecl( 536 const_cast<CXXDestructorDecl *>(S->getTemporary(I)->getDestructor())); 537} 538 539void 540StmtProfiler::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *S) { 541 VisitExpr(S); 542 VisitType(S->getTypeAsWritten()); 543} 544 545void StmtProfiler::VisitCXXUnresolvedMemberExpr(CXXUnresolvedMemberExpr *S) { 546 VisitExpr(S); 547 ID.AddBoolean(S->isArrow()); 548 VisitName(S->getMember()); 549} 550 551void StmtProfiler::VisitObjCStringLiteral(ObjCStringLiteral *S) { 552 VisitExpr(S); 553} 554 555void StmtProfiler::VisitObjCEncodeExpr(ObjCEncodeExpr *S) { 556 VisitExpr(S); 557 VisitType(S->getEncodedType()); 558} 559 560void StmtProfiler::VisitObjCSelectorExpr(ObjCSelectorExpr *S) { 561 VisitExpr(S); 562 VisitName(S->getSelector()); 563} 564 565void StmtProfiler::VisitObjCProtocolExpr(ObjCProtocolExpr *S) { 566 VisitExpr(S); 567 VisitDecl(S->getProtocol()); 568} 569 570void StmtProfiler::VisitObjCIvarRefExpr(ObjCIvarRefExpr *S) { 571 VisitExpr(S); 572 VisitDecl(S->getDecl()); 573 ID.AddBoolean(S->isArrow()); 574 ID.AddBoolean(S->isFreeIvar()); 575} 576 577void StmtProfiler::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *S) { 578 VisitExpr(S); 579 VisitDecl(S->getProperty()); 580} 581 582void StmtProfiler::VisitObjCKVCRefExpr(ObjCKVCRefExpr *S) { 583 VisitExpr(S); 584 VisitDecl(S->getGetterMethod()); 585 VisitDecl(S->getSetterMethod()); 586 VisitDecl(S->getClassProp()); 587} 588 589void StmtProfiler::VisitObjCMessageExpr(ObjCMessageExpr *S) { 590 VisitExpr(S); 591 VisitName(S->getSelector()); 592 VisitDecl(S->getMethodDecl()); 593} 594 595void StmtProfiler::VisitObjCSuperExpr(ObjCSuperExpr *S) { 596 VisitExpr(S); 597} 598 599void StmtProfiler::VisitObjCIsaExpr(ObjCIsaExpr *S) { 600 VisitExpr(S); 601 ID.AddBoolean(S->isArrow()); 602} 603 604void StmtProfiler::VisitDecl(Decl *D) { 605 ID.AddInteger(D? D->getKind() : 0); 606 607 if (Canonical && D) { 608 if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(D)) { 609 ID.AddInteger(NTTP->getDepth()); 610 ID.AddInteger(NTTP->getIndex()); 611 VisitType(NTTP->getType()); 612 return; 613 } 614 615 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { 616 // The Itanium C++ ABI uses the type of a parameter when mangling 617 // expressions that involve function parameters, so we will use the 618 // parameter's type for establishing function parameter identity. That 619 // way, our definition of "equivalent" (per C++ [temp.over.link]) 620 // matches the definition of "equivalent" used for name mangling. 621 VisitType(Parm->getType()); 622 return; 623 } 624 625 if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) { 626 ID.AddInteger(TTP->getDepth()); 627 ID.AddInteger(TTP->getIndex()); 628 return; 629 } 630 631 if (OverloadedFunctionDecl *Ovl = dyn_cast<OverloadedFunctionDecl>(D)) { 632 // Canonicalize all of the function declarations within the overload 633 // set. 634 llvm::SmallVector<Decl *, 4> Functions; 635 for (OverloadedFunctionDecl::function_iterator F = Ovl->function_begin(), 636 FEnd = Ovl->function_end(); 637 F != FEnd; ++F) 638 Functions.push_back(F->get()->getCanonicalDecl()); 639 640 // Sorting the functions based on the point means that the ID generated 641 // will be different from one execution of the compiler to another. 642 // Since these IDs don't persist over time, the change in ordering will 643 // not affect compilation. 644 std::sort(Functions.begin(), Functions.end()); 645 646 for (llvm::SmallVector<Decl *, 4>::iterator F = Functions.begin(), 647 FEnd = Functions.end(); 648 F != FEnd; ++F) 649 VisitDecl(*F); 650 651 return; 652 } 653 } 654 655 ID.AddPointer(D? D->getCanonicalDecl() : 0); 656} 657 658void StmtProfiler::VisitType(QualType T) { 659 if (Canonical) 660 T = Context.getCanonicalType(T); 661 662 ID.AddPointer(T.getAsOpaquePtr()); 663} 664 665void StmtProfiler::VisitName(DeclarationName Name) { 666 ID.AddPointer(Name.getAsOpaquePtr()); 667} 668 669void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) { 670 if (Canonical) 671 NNS = Context.getCanonicalNestedNameSpecifier(NNS); 672 ID.AddPointer(NNS); 673} 674 675void StmtProfiler::VisitTemplateName(TemplateName Name) { 676 if (Canonical) 677 Name = Context.getCanonicalTemplateName(Name); 678 679 Name.Profile(ID); 680} 681 682void StmtProfiler::VisitTemplateArguments(const TemplateArgument *Args, 683 unsigned NumArgs) { 684 ID.AddInteger(NumArgs); 685 for (unsigned I = 0; I != NumArgs; ++I) { 686 const TemplateArgument &Arg = Args[I]; 687 688 // Mostly repetitive with TemplateArgument::Profile! 689 ID.AddInteger(Arg.getKind()); 690 switch (Arg.getKind()) { 691 case TemplateArgument::Null: 692 break; 693 694 case TemplateArgument::Type: 695 VisitType(Arg.getAsType()); 696 break; 697 698 case TemplateArgument::Declaration: 699 VisitDecl(Arg.getAsDecl()); 700 break; 701 702 case TemplateArgument::Integral: 703 Arg.getAsIntegral()->Profile(ID); 704 VisitType(Arg.getIntegralType()); 705 break; 706 707 case TemplateArgument::Expression: 708 Visit(Arg.getAsExpr()); 709 break; 710 711 case TemplateArgument::Pack: 712 VisitTemplateArguments(Arg.pack_begin(), Arg.pack_size()); 713 break; 714 } 715 } 716} 717 718void Stmt::Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 719 bool Canonical) { 720 StmtProfiler Profiler(ID, Context, Canonical); 721 Profiler.Visit(this); 722} 723