1 //===-- ClangASTType.cpp ----------------------------------------*- C++ -*-===// 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 #include "lldb/lldb-python.h" 11 12 #include "lldb/Symbol/ClangASTType.h" 13 14 #include "clang/AST/ASTConsumer.h" 15 #include "clang/AST/ASTContext.h" 16 #include "clang/AST/Attr.h" 17 #include "clang/AST/CXXInheritance.h" 18 #include "clang/AST/Decl.h" 19 #include "clang/AST/DeclCXX.h" 20 #include "clang/AST/DeclObjC.h" 21 #include "clang/AST/DeclGroup.h" 22 #include "clang/AST/DeclTemplate.h" 23 #include "clang/AST/RecordLayout.h" 24 #include "clang/AST/Type.h" 25 26 #include "clang/Basic/Builtins.h" 27 #include "clang/Basic/IdentifierTable.h" 28 #include "clang/Basic/LangOptions.h" 29 #include "clang/Basic/SourceManager.h" 30 #include "clang/Basic/TargetInfo.h" 31 32 #include "llvm/Support/FormattedStream.h" 33 #include "llvm/Support/raw_ostream.h" 34 35 #include "lldb/Core/ConstString.h" 36 #include "lldb/Core/DataBufferHeap.h" 37 #include "lldb/Core/DataExtractor.h" 38 #include "lldb/Core/Debugger.h" 39 #include "lldb/Core/Scalar.h" 40 #include "lldb/Core/Stream.h" 41 #include "lldb/Core/StreamString.h" 42 #include "lldb/Symbol/ClangASTContext.h" 43 #include "lldb/Symbol/ClangExternalASTSourceCommon.h" 44 #include "lldb/Symbol/VerifyDecl.h" 45 #include "lldb/Target/ExecutionContext.h" 46 #include "lldb/Target/Process.h" 47 48 #include <mutex> 49 50 using namespace lldb; 51 using namespace lldb_private; 52 using namespace clang; 53 using namespace llvm; 54 55 static bool 56 GetCompleteQualType (ASTContext *ast, QualType qual_type, bool allow_completion = true) 57 { 58 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 59 switch (type_class) 60 { 61 case clang::Type::ConstantArray: 62 case clang::Type::IncompleteArray: 63 case clang::Type::VariableArray: 64 { 65 const ArrayType *array_type = dyn_cast<ArrayType>(qual_type.getTypePtr()); 66 67 if (array_type) 68 return GetCompleteQualType (ast, array_type->getElementType(), allow_completion); 69 } 70 break; 71 72 case clang::Type::Record: 73 case clang::Type::Enum: 74 { 75 const TagType *tag_type = dyn_cast<TagType>(qual_type.getTypePtr()); 76 if (tag_type) 77 { 78 TagDecl *tag_decl = tag_type->getDecl(); 79 if (tag_decl) 80 { 81 if (tag_decl->isCompleteDefinition()) 82 return true; 83 84 if (!allow_completion) 85 return false; 86 87 if (tag_decl->hasExternalLexicalStorage()) 88 { 89 if (ast) 90 { 91 ExternalASTSource *external_ast_source = ast->getExternalSource(); 92 if (external_ast_source) 93 { 94 external_ast_source->CompleteType(tag_decl); 95 return !tag_type->isIncompleteType(); 96 } 97 } 98 } 99 return false; 100 } 101 } 102 103 } 104 break; 105 106 case clang::Type::ObjCObject: 107 case clang::Type::ObjCInterface: 108 { 109 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type); 110 if (objc_class_type) 111 { 112 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 113 // We currently can't complete objective C types through the newly added ASTContext 114 // because it only supports TagDecl objects right now... 115 if (class_interface_decl) 116 { 117 if (class_interface_decl->getDefinition()) 118 return true; 119 120 if (!allow_completion) 121 return false; 122 123 if (class_interface_decl->hasExternalLexicalStorage()) 124 { 125 if (ast) 126 { 127 ExternalASTSource *external_ast_source = ast->getExternalSource(); 128 if (external_ast_source) 129 { 130 external_ast_source->CompleteType (class_interface_decl); 131 return !objc_class_type->isIncompleteType(); 132 } 133 } 134 } 135 return false; 136 } 137 } 138 } 139 break; 140 141 case clang::Type::Typedef: 142 return GetCompleteQualType (ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType(), allow_completion); 143 144 case clang::Type::Elaborated: 145 return GetCompleteQualType (ast, cast<ElaboratedType>(qual_type)->getNamedType(), allow_completion); 146 147 case clang::Type::Paren: 148 return GetCompleteQualType (ast, cast<ParenType>(qual_type)->desugar(), allow_completion); 149 150 default: 151 break; 152 } 153 154 return true; 155 } 156 157 static ObjCIvarDecl::AccessControl 158 ConvertAccessTypeToObjCIvarAccessControl (AccessType access) 159 { 160 switch (access) 161 { 162 case eAccessNone: return ObjCIvarDecl::None; 163 case eAccessPublic: return ObjCIvarDecl::Public; 164 case eAccessPrivate: return ObjCIvarDecl::Private; 165 case eAccessProtected: return ObjCIvarDecl::Protected; 166 case eAccessPackage: return ObjCIvarDecl::Package; 167 } 168 return ObjCIvarDecl::None; 169 } 170 171 //---------------------------------------------------------------------- 172 // Tests 173 //---------------------------------------------------------------------- 174 175 ClangASTType::ClangASTType (clang::ASTContext *ast, 176 clang::QualType qual_type) : 177 m_type (qual_type.getAsOpaquePtr()), 178 m_ast (ast) 179 { 180 } 181 182 ClangASTType::~ClangASTType() 183 { 184 } 185 186 //---------------------------------------------------------------------- 187 // Tests 188 //---------------------------------------------------------------------- 189 190 bool 191 ClangASTType::IsAggregateType () const 192 { 193 if (!IsValid()) 194 return false; 195 196 QualType qual_type (GetCanonicalQualType()); 197 198 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 199 switch (type_class) 200 { 201 case clang::Type::IncompleteArray: 202 case clang::Type::VariableArray: 203 case clang::Type::ConstantArray: 204 case clang::Type::ExtVector: 205 case clang::Type::Vector: 206 case clang::Type::Record: 207 case clang::Type::ObjCObject: 208 case clang::Type::ObjCInterface: 209 return true; 210 case clang::Type::Elaborated: 211 return ClangASTType(m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsAggregateType(); 212 case clang::Type::Typedef: 213 return ClangASTType(m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsAggregateType(); 214 case clang::Type::Paren: 215 return ClangASTType(m_ast, cast<ParenType>(qual_type)->desugar()).IsAggregateType(); 216 default: 217 break; 218 } 219 // The clang type does have a value 220 return false; 221 } 222 223 bool 224 ClangASTType::IsArrayType (ClangASTType *element_type_ptr, 225 uint64_t *size, 226 bool *is_incomplete) const 227 { 228 if (IsValid()) 229 { 230 QualType qual_type (GetCanonicalQualType()); 231 232 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 233 switch (type_class) 234 { 235 default: 236 break; 237 238 case clang::Type::ConstantArray: 239 if (element_type_ptr) 240 element_type_ptr->SetClangType (m_ast, cast<ConstantArrayType>(qual_type)->getElementType()); 241 if (size) 242 *size = cast<ConstantArrayType>(qual_type)->getSize().getLimitedValue(ULLONG_MAX); 243 return true; 244 245 case clang::Type::IncompleteArray: 246 if (element_type_ptr) 247 element_type_ptr->SetClangType (m_ast, cast<IncompleteArrayType>(qual_type)->getElementType()); 248 if (size) 249 *size = 0; 250 if (is_incomplete) 251 *is_incomplete = true; 252 return true; 253 254 case clang::Type::VariableArray: 255 if (element_type_ptr) 256 element_type_ptr->SetClangType (m_ast, cast<VariableArrayType>(qual_type)->getElementType()); 257 if (size) 258 *size = 0; 259 return true; 260 261 case clang::Type::DependentSizedArray: 262 if (element_type_ptr) 263 element_type_ptr->SetClangType (m_ast, cast<DependentSizedArrayType>(qual_type)->getElementType()); 264 if (size) 265 *size = 0; 266 return true; 267 268 case clang::Type::Typedef: 269 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsArrayType (element_type_ptr, 270 size, 271 is_incomplete); 272 case clang::Type::Elaborated: 273 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsArrayType (element_type_ptr, 274 size, 275 is_incomplete); 276 case clang::Type::Paren: 277 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsArrayType (element_type_ptr, 278 size, 279 is_incomplete); 280 } 281 } 282 if (element_type_ptr) 283 element_type_ptr->Clear(); 284 if (size) 285 *size = 0; 286 if (is_incomplete) 287 *is_incomplete = false; 288 return 0; 289 } 290 291 292 bool 293 ClangASTType::IsCharType () const 294 { 295 if (!IsValid()) 296 return false; 297 return GetQualType().getUnqualifiedType()->isCharType(); 298 } 299 300 301 bool 302 ClangASTType::IsCompleteType () const 303 { 304 if (!IsValid()) 305 return false; 306 const bool allow_completion = false; 307 return GetCompleteQualType (m_ast, GetQualType(), allow_completion); 308 } 309 310 bool 311 ClangASTType::IsConst() const 312 { 313 return GetQualType().isConstQualified(); 314 } 315 316 bool 317 ClangASTType::IsCStringType (uint32_t &length) const 318 { 319 ClangASTType pointee_or_element_clang_type; 320 length = 0; 321 Flags type_flags (GetTypeInfo (&pointee_or_element_clang_type)); 322 323 if (!pointee_or_element_clang_type.IsValid()) 324 return false; 325 326 if (type_flags.AnySet (eTypeIsArray | eTypeIsPointer)) 327 { 328 if (pointee_or_element_clang_type.IsCharType()) 329 { 330 if (type_flags.Test (eTypeIsArray)) 331 { 332 // We know the size of the array and it could be a C string 333 // since it is an array of characters 334 length = cast<ConstantArrayType>(GetCanonicalQualType().getTypePtr())->getSize().getLimitedValue(); 335 } 336 return true; 337 338 } 339 } 340 return false; 341 } 342 343 bool 344 ClangASTType::IsFunctionType (bool *is_variadic_ptr) const 345 { 346 if (IsValid()) 347 { 348 QualType qual_type (GetCanonicalQualType()); 349 350 if (qual_type->isFunctionType()) 351 { 352 if (is_variadic_ptr) 353 { 354 const clang::FunctionProtoType *function_proto_type = llvm::dyn_cast<clang::FunctionProtoType>(qual_type.getTypePtr()); 355 if (function_proto_type) 356 *is_variadic_ptr = function_proto_type->isVariadic(); 357 else 358 *is_variadic_ptr = false; 359 } 360 return true; 361 } 362 363 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 364 switch (type_class) 365 { 366 default: 367 break; 368 case clang::Type::Typedef: 369 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsFunctionType(); 370 case clang::Type::Elaborated: 371 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsFunctionType(); 372 case clang::Type::Paren: 373 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsFunctionType(); 374 375 case clang::Type::LValueReference: 376 case clang::Type::RValueReference: 377 { 378 const ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); 379 if (reference_type) 380 return ClangASTType (m_ast, reference_type->getPointeeType()).IsFunctionType(); 381 } 382 break; 383 } 384 } 385 return false; 386 } 387 388 389 bool 390 ClangASTType::IsFunctionPointerType () const 391 { 392 if (IsValid()) 393 { 394 QualType qual_type (GetCanonicalQualType()); 395 396 if (qual_type->isFunctionPointerType()) 397 return true; 398 399 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 400 switch (type_class) 401 { 402 default: 403 break; 404 case clang::Type::Typedef: 405 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsFunctionPointerType(); 406 case clang::Type::Elaborated: 407 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsFunctionPointerType(); 408 case clang::Type::Paren: 409 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsFunctionPointerType(); 410 411 case clang::Type::LValueReference: 412 case clang::Type::RValueReference: 413 { 414 const ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); 415 if (reference_type) 416 return ClangASTType (m_ast, reference_type->getPointeeType()).IsFunctionPointerType(); 417 } 418 break; 419 } 420 } 421 return false; 422 423 } 424 425 bool 426 ClangASTType::IsIntegerType (bool &is_signed) const 427 { 428 if (!IsValid()) 429 return false; 430 431 QualType qual_type (GetCanonicalQualType()); 432 const BuiltinType *builtin_type = dyn_cast<BuiltinType>(qual_type->getCanonicalTypeInternal()); 433 434 if (builtin_type) 435 { 436 if (builtin_type->isInteger()) 437 { 438 is_signed = builtin_type->isSignedInteger(); 439 return true; 440 } 441 } 442 443 return false; 444 } 445 446 bool 447 ClangASTType::IsPointerType (ClangASTType *pointee_type) const 448 { 449 if (IsValid()) 450 { 451 QualType qual_type (GetCanonicalQualType()); 452 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 453 switch (type_class) 454 { 455 case clang::Type::Builtin: 456 switch (cast<clang::BuiltinType>(qual_type)->getKind()) 457 { 458 default: 459 break; 460 case clang::BuiltinType::ObjCId: 461 case clang::BuiltinType::ObjCClass: 462 return true; 463 } 464 return false; 465 case clang::Type::ObjCObjectPointer: 466 if (pointee_type) 467 pointee_type->SetClangType (m_ast, cast<ObjCObjectPointerType>(qual_type)->getPointeeType()); 468 return true; 469 case clang::Type::BlockPointer: 470 if (pointee_type) 471 pointee_type->SetClangType (m_ast, cast<BlockPointerType>(qual_type)->getPointeeType()); 472 return true; 473 case clang::Type::Pointer: 474 if (pointee_type) 475 pointee_type->SetClangType (m_ast, cast<PointerType>(qual_type)->getPointeeType()); 476 return true; 477 case clang::Type::MemberPointer: 478 if (pointee_type) 479 pointee_type->SetClangType (m_ast, cast<MemberPointerType>(qual_type)->getPointeeType()); 480 return true; 481 case clang::Type::Typedef: 482 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsPointerType(pointee_type); 483 case clang::Type::Elaborated: 484 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsPointerType(pointee_type); 485 case clang::Type::Paren: 486 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsPointerType(pointee_type); 487 default: 488 break; 489 } 490 } 491 if (pointee_type) 492 pointee_type->Clear(); 493 return false; 494 } 495 496 497 bool 498 ClangASTType::IsPointerOrReferenceType (ClangASTType *pointee_type) const 499 { 500 if (IsValid()) 501 { 502 QualType qual_type (GetCanonicalQualType()); 503 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 504 switch (type_class) 505 { 506 case clang::Type::Builtin: 507 switch (cast<clang::BuiltinType>(qual_type)->getKind()) 508 { 509 default: 510 break; 511 case clang::BuiltinType::ObjCId: 512 case clang::BuiltinType::ObjCClass: 513 return true; 514 } 515 return false; 516 case clang::Type::ObjCObjectPointer: 517 if (pointee_type) 518 pointee_type->SetClangType(m_ast, cast<ObjCObjectPointerType>(qual_type)->getPointeeType()); 519 return true; 520 case clang::Type::BlockPointer: 521 if (pointee_type) 522 pointee_type->SetClangType(m_ast, cast<BlockPointerType>(qual_type)->getPointeeType()); 523 return true; 524 case clang::Type::Pointer: 525 if (pointee_type) 526 pointee_type->SetClangType(m_ast, cast<PointerType>(qual_type)->getPointeeType()); 527 return true; 528 case clang::Type::MemberPointer: 529 if (pointee_type) 530 pointee_type->SetClangType(m_ast, cast<MemberPointerType>(qual_type)->getPointeeType()); 531 return true; 532 case clang::Type::LValueReference: 533 if (pointee_type) 534 pointee_type->SetClangType(m_ast, cast<LValueReferenceType>(qual_type)->desugar()); 535 return true; 536 case clang::Type::RValueReference: 537 if (pointee_type) 538 pointee_type->SetClangType(m_ast, cast<LValueReferenceType>(qual_type)->desugar()); 539 return true; 540 case clang::Type::Typedef: 541 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsPointerOrReferenceType(pointee_type); 542 case clang::Type::Elaborated: 543 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsPointerOrReferenceType(pointee_type); 544 case clang::Type::Paren: 545 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsPointerOrReferenceType(pointee_type); 546 default: 547 break; 548 } 549 } 550 if (pointee_type) 551 pointee_type->Clear(); 552 return false; 553 } 554 555 556 bool 557 ClangASTType::IsReferenceType (ClangASTType *pointee_type) const 558 { 559 if (IsValid()) 560 { 561 QualType qual_type (GetCanonicalQualType()); 562 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 563 564 switch (type_class) 565 { 566 case clang::Type::LValueReference: 567 if (pointee_type) 568 pointee_type->SetClangType(m_ast, cast<LValueReferenceType>(qual_type)->desugar()); 569 return true; 570 case clang::Type::RValueReference: 571 if (pointee_type) 572 pointee_type->SetClangType(m_ast, cast<LValueReferenceType>(qual_type)->desugar()); 573 return true; 574 case clang::Type::Typedef: 575 return ClangASTType(m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsReferenceType(pointee_type); 576 case clang::Type::Elaborated: 577 return ClangASTType(m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).IsReferenceType(pointee_type); 578 case clang::Type::Paren: 579 return ClangASTType(m_ast, cast<clang::ParenType>(qual_type)->desugar()).IsReferenceType(pointee_type); 580 581 default: 582 break; 583 } 584 } 585 if (pointee_type) 586 pointee_type->Clear(); 587 return false; 588 } 589 590 bool 591 ClangASTType::IsFloatingPointType (uint32_t &count, bool &is_complex) const 592 { 593 if (IsValid()) 594 { 595 QualType qual_type (GetCanonicalQualType()); 596 597 if (const BuiltinType *BT = dyn_cast<BuiltinType>(qual_type->getCanonicalTypeInternal())) 598 { 599 clang::BuiltinType::Kind kind = BT->getKind(); 600 if (kind >= BuiltinType::Float && kind <= BuiltinType::LongDouble) 601 { 602 count = 1; 603 is_complex = false; 604 return true; 605 } 606 } 607 else if (const ComplexType *CT = dyn_cast<ComplexType>(qual_type->getCanonicalTypeInternal())) 608 { 609 if (ClangASTType (m_ast, CT->getElementType()).IsFloatingPointType (count, is_complex)) 610 { 611 count = 2; 612 is_complex = true; 613 return true; 614 } 615 } 616 else if (const VectorType *VT = dyn_cast<VectorType>(qual_type->getCanonicalTypeInternal())) 617 { 618 if (ClangASTType (m_ast, VT->getElementType()).IsFloatingPointType (count, is_complex)) 619 { 620 count = VT->getNumElements(); 621 is_complex = false; 622 return true; 623 } 624 } 625 } 626 count = 0; 627 is_complex = false; 628 return false; 629 } 630 631 632 bool 633 ClangASTType::IsDefined() const 634 { 635 if (!IsValid()) 636 return false; 637 638 QualType qual_type(GetQualType()); 639 const TagType *tag_type = dyn_cast<TagType>(qual_type.getTypePtr()); 640 if (tag_type) 641 { 642 TagDecl *tag_decl = tag_type->getDecl(); 643 if (tag_decl) 644 return tag_decl->isCompleteDefinition(); 645 return false; 646 } 647 else 648 { 649 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type); 650 if (objc_class_type) 651 { 652 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 653 if (class_interface_decl) 654 return class_interface_decl->getDefinition() != NULL; 655 return false; 656 } 657 } 658 return true; 659 } 660 661 bool 662 ClangASTType::IsObjCClassType () const 663 { 664 if (IsValid()) 665 { 666 QualType qual_type (GetCanonicalQualType()); 667 668 const ObjCObjectPointerType *obj_pointer_type = dyn_cast<ObjCObjectPointerType>(qual_type); 669 670 if (obj_pointer_type) 671 return obj_pointer_type->isObjCClassType(); 672 } 673 return false; 674 } 675 676 bool 677 ClangASTType::IsObjCObjectOrInterfaceType () const 678 { 679 if (IsValid()) 680 return GetCanonicalQualType()->isObjCObjectOrInterfaceType(); 681 return false; 682 } 683 684 bool 685 ClangASTType::IsPolymorphicClass () const 686 { 687 if (IsValid()) 688 { 689 QualType qual_type(GetCanonicalQualType()); 690 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 691 switch (type_class) 692 { 693 case clang::Type::Record: 694 if (GetCompleteType()) 695 { 696 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 697 const RecordDecl *record_decl = record_type->getDecl(); 698 if (record_decl) 699 { 700 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 701 if (cxx_record_decl) 702 return cxx_record_decl->isPolymorphic(); 703 } 704 } 705 break; 706 707 default: 708 break; 709 } 710 } 711 return false; 712 } 713 714 bool 715 ClangASTType::IsPossibleDynamicType (ClangASTType *dynamic_pointee_type, 716 bool check_cplusplus, 717 bool check_objc) const 718 { 719 QualType pointee_qual_type; 720 if (m_type) 721 { 722 QualType qual_type (GetCanonicalQualType()); 723 bool success = false; 724 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 725 switch (type_class) 726 { 727 case clang::Type::Builtin: 728 if (check_objc && cast<BuiltinType>(qual_type)->getKind() == BuiltinType::ObjCId) 729 { 730 if (dynamic_pointee_type) 731 dynamic_pointee_type->SetClangType(m_ast, m_type); 732 return true; 733 } 734 break; 735 736 case clang::Type::ObjCObjectPointer: 737 if (check_objc) 738 { 739 if (dynamic_pointee_type) 740 dynamic_pointee_type->SetClangType(m_ast, cast<ObjCObjectPointerType>(qual_type)->getPointeeType()); 741 return true; 742 } 743 break; 744 745 case clang::Type::Pointer: 746 pointee_qual_type = cast<PointerType>(qual_type)->getPointeeType(); 747 success = true; 748 break; 749 750 case clang::Type::LValueReference: 751 case clang::Type::RValueReference: 752 pointee_qual_type = cast<ReferenceType>(qual_type)->getPointeeType(); 753 success = true; 754 break; 755 756 case clang::Type::Typedef: 757 return ClangASTType (m_ast, 758 cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).IsPossibleDynamicType (dynamic_pointee_type, 759 check_cplusplus, 760 check_objc); 761 762 case clang::Type::Elaborated: 763 return ClangASTType (m_ast, 764 cast<ElaboratedType>(qual_type)->getNamedType()).IsPossibleDynamicType (dynamic_pointee_type, 765 check_cplusplus, 766 check_objc); 767 768 case clang::Type::Paren: 769 return ClangASTType (m_ast, 770 cast<ParenType>(qual_type)->desugar()).IsPossibleDynamicType (dynamic_pointee_type, 771 check_cplusplus, 772 check_objc); 773 default: 774 break; 775 } 776 777 if (success) 778 { 779 // Check to make sure what we are pointing too is a possible dynamic C++ type 780 // We currently accept any "void *" (in case we have a class that has been 781 // watered down to an opaque pointer) and virtual C++ classes. 782 const clang::Type::TypeClass pointee_type_class = pointee_qual_type.getCanonicalType()->getTypeClass(); 783 switch (pointee_type_class) 784 { 785 case clang::Type::Builtin: 786 switch (cast<BuiltinType>(pointee_qual_type)->getKind()) 787 { 788 case BuiltinType::UnknownAny: 789 case BuiltinType::Void: 790 if (dynamic_pointee_type) 791 dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); 792 return true; 793 794 case BuiltinType::NullPtr: 795 case BuiltinType::Bool: 796 case BuiltinType::Char_U: 797 case BuiltinType::UChar: 798 case BuiltinType::WChar_U: 799 case BuiltinType::Char16: 800 case BuiltinType::Char32: 801 case BuiltinType::UShort: 802 case BuiltinType::UInt: 803 case BuiltinType::ULong: 804 case BuiltinType::ULongLong: 805 case BuiltinType::UInt128: 806 case BuiltinType::Char_S: 807 case BuiltinType::SChar: 808 case BuiltinType::WChar_S: 809 case BuiltinType::Short: 810 case BuiltinType::Int: 811 case BuiltinType::Long: 812 case BuiltinType::LongLong: 813 case BuiltinType::Int128: 814 case BuiltinType::Float: 815 case BuiltinType::Double: 816 case BuiltinType::LongDouble: 817 case BuiltinType::Dependent: 818 case BuiltinType::Overload: 819 case BuiltinType::ObjCId: 820 case BuiltinType::ObjCClass: 821 case BuiltinType::ObjCSel: 822 case BuiltinType::BoundMember: 823 case BuiltinType::Half: 824 case BuiltinType::ARCUnbridgedCast: 825 case BuiltinType::PseudoObject: 826 case BuiltinType::BuiltinFn: 827 case BuiltinType::OCLEvent: 828 case BuiltinType::OCLImage1d: 829 case BuiltinType::OCLImage1dArray: 830 case BuiltinType::OCLImage1dBuffer: 831 case BuiltinType::OCLImage2d: 832 case BuiltinType::OCLImage2dArray: 833 case BuiltinType::OCLImage3d: 834 case BuiltinType::OCLSampler: 835 break; 836 } 837 break; 838 839 case clang::Type::Record: 840 if (check_cplusplus) 841 { 842 CXXRecordDecl *cxx_record_decl = pointee_qual_type->getAsCXXRecordDecl(); 843 if (cxx_record_decl) 844 { 845 bool is_complete = cxx_record_decl->isCompleteDefinition(); 846 847 if (is_complete) 848 success = cxx_record_decl->isDynamicClass(); 849 else 850 { 851 ClangASTMetadata *metadata = ClangASTContext::GetMetadata (m_ast, cxx_record_decl); 852 if (metadata) 853 success = metadata->GetIsDynamicCXXType(); 854 else 855 { 856 is_complete = ClangASTType(m_ast, pointee_qual_type).GetCompleteType(); 857 if (is_complete) 858 success = cxx_record_decl->isDynamicClass(); 859 else 860 success = false; 861 } 862 } 863 864 if (success) 865 { 866 if (dynamic_pointee_type) 867 dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); 868 return true; 869 } 870 } 871 } 872 break; 873 874 case clang::Type::ObjCObject: 875 case clang::Type::ObjCInterface: 876 if (check_objc) 877 { 878 if (dynamic_pointee_type) 879 dynamic_pointee_type->SetClangType(m_ast, pointee_qual_type); 880 return true; 881 } 882 break; 883 884 default: 885 break; 886 } 887 } 888 } 889 if (dynamic_pointee_type) 890 dynamic_pointee_type->Clear(); 891 return false; 892 } 893 894 895 bool 896 ClangASTType::IsScalarType () const 897 { 898 if (!IsValid()) 899 return false; 900 901 return (GetTypeInfo (NULL) & eTypeIsScalar) != 0; 902 } 903 904 bool 905 ClangASTType::IsTypedefType () const 906 { 907 if (!IsValid()) 908 return false; 909 return GetQualType()->getTypeClass() == clang::Type::Typedef; 910 } 911 912 bool 913 ClangASTType::IsVoidType () const 914 { 915 if (!IsValid()) 916 return false; 917 return GetCanonicalQualType()->isVoidType(); 918 } 919 920 bool 921 ClangASTType::IsPointerToScalarType () const 922 { 923 if (!IsValid()) 924 return false; 925 926 return IsPointerType() && GetPointeeType().IsScalarType(); 927 } 928 929 bool 930 ClangASTType::IsArrayOfScalarType () const 931 { 932 ClangASTType element_type; 933 if (IsArrayType(&element_type, NULL, NULL)) 934 return element_type.IsScalarType(); 935 return false; 936 } 937 938 939 bool 940 ClangASTType::GetCXXClassName (std::string &class_name) const 941 { 942 if (IsValid()) 943 { 944 QualType qual_type (GetCanonicalQualType()); 945 946 CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 947 if (cxx_record_decl) 948 { 949 class_name.assign (cxx_record_decl->getIdentifier()->getNameStart()); 950 return true; 951 } 952 } 953 class_name.clear(); 954 return false; 955 } 956 957 958 bool 959 ClangASTType::IsCXXClassType () const 960 { 961 if (!IsValid()) 962 return false; 963 964 QualType qual_type (GetCanonicalQualType()); 965 if (qual_type->getAsCXXRecordDecl() != NULL) 966 return true; 967 return false; 968 } 969 970 bool 971 ClangASTType::IsBeingDefined () const 972 { 973 if (!IsValid()) 974 return false; 975 QualType qual_type (GetCanonicalQualType()); 976 const clang::TagType *tag_type = dyn_cast<clang::TagType>(qual_type); 977 if (tag_type) 978 return tag_type->isBeingDefined(); 979 return false; 980 } 981 982 bool 983 ClangASTType::IsObjCObjectPointerType (ClangASTType *class_type_ptr) 984 { 985 if (!IsValid()) 986 return false; 987 988 QualType qual_type (GetCanonicalQualType()); 989 990 if (qual_type->isObjCObjectPointerType()) 991 { 992 if (class_type_ptr) 993 { 994 if (!qual_type->isObjCClassType() && 995 !qual_type->isObjCIdType()) 996 { 997 const ObjCObjectPointerType *obj_pointer_type = dyn_cast<ObjCObjectPointerType>(qual_type); 998 if (obj_pointer_type == NULL) 999 class_type_ptr->Clear(); 1000 else 1001 class_type_ptr->SetClangType (m_ast, QualType(obj_pointer_type->getInterfaceType(), 0)); 1002 } 1003 } 1004 return true; 1005 } 1006 if (class_type_ptr) 1007 class_type_ptr->Clear(); 1008 return false; 1009 } 1010 1011 bool 1012 ClangASTType::GetObjCClassName (std::string &class_name) 1013 { 1014 if (!IsValid()) 1015 return false; 1016 1017 QualType qual_type (GetCanonicalQualType()); 1018 1019 const ObjCObjectType *object_type = dyn_cast<ObjCObjectType>(qual_type); 1020 if (object_type) 1021 { 1022 const ObjCInterfaceDecl *interface = object_type->getInterface(); 1023 if (interface) 1024 { 1025 class_name = interface->getNameAsString(); 1026 return true; 1027 } 1028 } 1029 return false; 1030 } 1031 1032 1033 //---------------------------------------------------------------------- 1034 // Type Completion 1035 //---------------------------------------------------------------------- 1036 1037 bool 1038 ClangASTType::GetCompleteType () const 1039 { 1040 if (!IsValid()) 1041 return false; 1042 const bool allow_completion = true; 1043 return GetCompleteQualType (m_ast, GetQualType(), allow_completion); 1044 } 1045 1046 //---------------------------------------------------------------------- 1047 // AST related queries 1048 //---------------------------------------------------------------------- 1049 size_t 1050 ClangASTType::GetPointerByteSize () const 1051 { 1052 if (m_ast) 1053 return m_ast->getTypeSize(m_ast->VoidPtrTy) / 8; 1054 return 0; 1055 } 1056 1057 ConstString 1058 ClangASTType::GetConstQualifiedTypeName () const 1059 { 1060 return GetConstTypeName (); 1061 } 1062 1063 ConstString 1064 ClangASTType::GetConstTypeName () const 1065 { 1066 if (IsValid()) 1067 { 1068 std::string type_name (GetTypeName()); 1069 if (!type_name.empty()) 1070 return ConstString (type_name.c_str()); 1071 } 1072 return ConstString("<invalid>"); 1073 } 1074 1075 std::string 1076 ClangASTType::GetTypeName () const 1077 { 1078 std::string type_name; 1079 if (IsValid()) 1080 { 1081 PrintingPolicy printing_policy (m_ast->getPrintingPolicy()); 1082 QualType qual_type(GetQualType()); 1083 printing_policy.SuppressTagKeyword = true; 1084 printing_policy.LangOpts.WChar = true; 1085 const TypedefType *typedef_type = qual_type->getAs<TypedefType>(); 1086 if (typedef_type) 1087 { 1088 const TypedefNameDecl *typedef_decl = typedef_type->getDecl(); 1089 type_name = typedef_decl->getQualifiedNameAsString(printing_policy); 1090 } 1091 else 1092 { 1093 type_name = qual_type.getAsString(printing_policy); 1094 } 1095 } 1096 return type_name; 1097 } 1098 1099 1100 uint32_t 1101 ClangASTType::GetTypeInfo (ClangASTType *pointee_or_element_clang_type) const 1102 { 1103 if (!IsValid()) 1104 return 0; 1105 1106 if (pointee_or_element_clang_type) 1107 pointee_or_element_clang_type->Clear(); 1108 1109 QualType qual_type (GetQualType()); 1110 1111 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 1112 switch (type_class) 1113 { 1114 case clang::Type::Builtin: 1115 { 1116 const BuiltinType *builtin_type = dyn_cast<BuiltinType>(qual_type->getCanonicalTypeInternal()); 1117 1118 uint32_t builtin_type_flags = eTypeIsBuiltIn | eTypeHasValue; 1119 switch (builtin_type->getKind()) 1120 { 1121 case clang::BuiltinType::ObjCId: 1122 case clang::BuiltinType::ObjCClass: 1123 if (pointee_or_element_clang_type) 1124 pointee_or_element_clang_type->SetClangType(m_ast, m_ast->ObjCBuiltinClassTy); 1125 builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; 1126 break; 1127 1128 case clang::BuiltinType::ObjCSel: 1129 if (pointee_or_element_clang_type) 1130 pointee_or_element_clang_type->SetClangType(m_ast, m_ast->CharTy); 1131 builtin_type_flags |= eTypeIsPointer | eTypeIsObjC; 1132 break; 1133 1134 case clang::BuiltinType::Bool: 1135 case clang::BuiltinType::Char_U: 1136 case clang::BuiltinType::UChar: 1137 case clang::BuiltinType::WChar_U: 1138 case clang::BuiltinType::Char16: 1139 case clang::BuiltinType::Char32: 1140 case clang::BuiltinType::UShort: 1141 case clang::BuiltinType::UInt: 1142 case clang::BuiltinType::ULong: 1143 case clang::BuiltinType::ULongLong: 1144 case clang::BuiltinType::UInt128: 1145 case clang::BuiltinType::Char_S: 1146 case clang::BuiltinType::SChar: 1147 case clang::BuiltinType::WChar_S: 1148 case clang::BuiltinType::Short: 1149 case clang::BuiltinType::Int: 1150 case clang::BuiltinType::Long: 1151 case clang::BuiltinType::LongLong: 1152 case clang::BuiltinType::Int128: 1153 case clang::BuiltinType::Float: 1154 case clang::BuiltinType::Double: 1155 case clang::BuiltinType::LongDouble: 1156 builtin_type_flags |= eTypeIsScalar; 1157 if (builtin_type->isInteger()) 1158 { 1159 builtin_type_flags |= eTypeIsInteger; 1160 if (builtin_type->isSignedInteger()) 1161 builtin_type_flags |= eTypeIsSigned; 1162 } 1163 else if (builtin_type->isFloatingPoint()) 1164 builtin_type_flags |= eTypeIsFloat; 1165 break; 1166 default: 1167 break; 1168 } 1169 return builtin_type_flags; 1170 } 1171 1172 case clang::Type::BlockPointer: 1173 if (pointee_or_element_clang_type) 1174 pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); 1175 return eTypeIsPointer | eTypeHasChildren | eTypeIsBlock; 1176 1177 case clang::Type::Complex: 1178 { 1179 uint32_t complex_type_flags = eTypeIsBuiltIn | eTypeHasValue | eTypeIsComplex; 1180 const ComplexType *complex_type = dyn_cast<ComplexType>(qual_type->getCanonicalTypeInternal()); 1181 if (complex_type) 1182 { 1183 QualType complex_element_type (complex_type->getElementType()); 1184 if (complex_element_type->isIntegerType()) 1185 complex_type_flags |= eTypeIsFloat; 1186 else if (complex_element_type->isFloatingType()) 1187 complex_type_flags |= eTypeIsInteger; 1188 } 1189 return complex_type_flags; 1190 } 1191 break; 1192 1193 case clang::Type::ConstantArray: 1194 case clang::Type::DependentSizedArray: 1195 case clang::Type::IncompleteArray: 1196 case clang::Type::VariableArray: 1197 if (pointee_or_element_clang_type) 1198 pointee_or_element_clang_type->SetClangType(m_ast, cast<ArrayType>(qual_type.getTypePtr())->getElementType()); 1199 return eTypeHasChildren | eTypeIsArray; 1200 1201 case clang::Type::DependentName: return 0; 1202 case clang::Type::DependentSizedExtVector: return eTypeHasChildren | eTypeIsVector; 1203 case clang::Type::DependentTemplateSpecialization: return eTypeIsTemplate; 1204 case clang::Type::Decltype: return 0; 1205 1206 case clang::Type::Enum: 1207 if (pointee_or_element_clang_type) 1208 pointee_or_element_clang_type->SetClangType(m_ast, cast<EnumType>(qual_type)->getDecl()->getIntegerType()); 1209 return eTypeIsEnumeration | eTypeHasValue; 1210 1211 case clang::Type::Elaborated: 1212 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetTypeInfo (pointee_or_element_clang_type); 1213 case clang::Type::Paren: 1214 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetTypeInfo (pointee_or_element_clang_type); 1215 1216 case clang::Type::FunctionProto: return eTypeIsFuncPrototype | eTypeHasValue; 1217 case clang::Type::FunctionNoProto: return eTypeIsFuncPrototype | eTypeHasValue; 1218 case clang::Type::InjectedClassName: return 0; 1219 1220 case clang::Type::LValueReference: 1221 case clang::Type::RValueReference: 1222 if (pointee_or_element_clang_type) 1223 pointee_or_element_clang_type->SetClangType(m_ast, cast<ReferenceType>(qual_type.getTypePtr())->getPointeeType()); 1224 return eTypeHasChildren | eTypeIsReference | eTypeHasValue; 1225 1226 case clang::Type::MemberPointer: return eTypeIsPointer | eTypeIsMember | eTypeHasValue; 1227 1228 case clang::Type::ObjCObjectPointer: 1229 if (pointee_or_element_clang_type) 1230 pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); 1231 return eTypeHasChildren | eTypeIsObjC | eTypeIsClass | eTypeIsPointer | eTypeHasValue; 1232 1233 case clang::Type::ObjCObject: return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; 1234 case clang::Type::ObjCInterface: return eTypeHasChildren | eTypeIsObjC | eTypeIsClass; 1235 1236 case clang::Type::Pointer: 1237 if (pointee_or_element_clang_type) 1238 pointee_or_element_clang_type->SetClangType(m_ast, qual_type->getPointeeType()); 1239 return eTypeHasChildren | eTypeIsPointer | eTypeHasValue; 1240 1241 case clang::Type::Record: 1242 if (qual_type->getAsCXXRecordDecl()) 1243 return eTypeHasChildren | eTypeIsClass | eTypeIsCPlusPlus; 1244 else 1245 return eTypeHasChildren | eTypeIsStructUnion; 1246 break; 1247 case clang::Type::SubstTemplateTypeParm: return eTypeIsTemplate; 1248 case clang::Type::TemplateTypeParm: return eTypeIsTemplate; 1249 case clang::Type::TemplateSpecialization: return eTypeIsTemplate; 1250 1251 case clang::Type::Typedef: 1252 return eTypeIsTypedef | ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetTypeInfo (pointee_or_element_clang_type); 1253 case clang::Type::TypeOfExpr: return 0; 1254 case clang::Type::TypeOf: return 0; 1255 case clang::Type::UnresolvedUsing: return 0; 1256 1257 case clang::Type::ExtVector: 1258 case clang::Type::Vector: 1259 { 1260 uint32_t vector_type_flags = eTypeHasChildren | eTypeIsVector; 1261 const VectorType *vector_type = dyn_cast<VectorType>(qual_type->getCanonicalTypeInternal()); 1262 if (vector_type) 1263 { 1264 if (vector_type->isIntegerType()) 1265 vector_type_flags |= eTypeIsFloat; 1266 else if (vector_type->isFloatingType()) 1267 vector_type_flags |= eTypeIsInteger; 1268 } 1269 return vector_type_flags; 1270 } 1271 default: return 0; 1272 } 1273 return 0; 1274 } 1275 1276 1277 1278 lldb::LanguageType 1279 ClangASTType::GetMinimumLanguage () 1280 { 1281 if (!IsValid()) 1282 return lldb::eLanguageTypeC; 1283 1284 // If the type is a reference, then resolve it to what it refers to first: 1285 QualType qual_type (GetCanonicalQualType().getNonReferenceType()); 1286 if (qual_type->isAnyPointerType()) 1287 { 1288 if (qual_type->isObjCObjectPointerType()) 1289 return lldb::eLanguageTypeObjC; 1290 1291 QualType pointee_type (qual_type->getPointeeType()); 1292 if (pointee_type->getPointeeCXXRecordDecl() != NULL) 1293 return lldb::eLanguageTypeC_plus_plus; 1294 if (pointee_type->isObjCObjectOrInterfaceType()) 1295 return lldb::eLanguageTypeObjC; 1296 if (pointee_type->isObjCClassType()) 1297 return lldb::eLanguageTypeObjC; 1298 if (pointee_type.getTypePtr() == m_ast->ObjCBuiltinIdTy.getTypePtr()) 1299 return lldb::eLanguageTypeObjC; 1300 } 1301 else 1302 { 1303 if (qual_type->isObjCObjectOrInterfaceType()) 1304 return lldb::eLanguageTypeObjC; 1305 if (qual_type->getAsCXXRecordDecl()) 1306 return lldb::eLanguageTypeC_plus_plus; 1307 switch (qual_type->getTypeClass()) 1308 { 1309 default: 1310 break; 1311 case clang::Type::Builtin: 1312 switch (cast<BuiltinType>(qual_type)->getKind()) 1313 { 1314 default: 1315 case BuiltinType::Void: 1316 case BuiltinType::Bool: 1317 case BuiltinType::Char_U: 1318 case BuiltinType::UChar: 1319 case BuiltinType::WChar_U: 1320 case BuiltinType::Char16: 1321 case BuiltinType::Char32: 1322 case BuiltinType::UShort: 1323 case BuiltinType::UInt: 1324 case BuiltinType::ULong: 1325 case BuiltinType::ULongLong: 1326 case BuiltinType::UInt128: 1327 case BuiltinType::Char_S: 1328 case BuiltinType::SChar: 1329 case BuiltinType::WChar_S: 1330 case BuiltinType::Short: 1331 case BuiltinType::Int: 1332 case BuiltinType::Long: 1333 case BuiltinType::LongLong: 1334 case BuiltinType::Int128: 1335 case BuiltinType::Float: 1336 case BuiltinType::Double: 1337 case BuiltinType::LongDouble: 1338 break; 1339 1340 case BuiltinType::NullPtr: 1341 return eLanguageTypeC_plus_plus; 1342 1343 case BuiltinType::ObjCId: 1344 case BuiltinType::ObjCClass: 1345 case BuiltinType::ObjCSel: 1346 return eLanguageTypeObjC; 1347 1348 case BuiltinType::Dependent: 1349 case BuiltinType::Overload: 1350 case BuiltinType::BoundMember: 1351 case BuiltinType::UnknownAny: 1352 break; 1353 } 1354 break; 1355 case clang::Type::Typedef: 1356 return ClangASTType(m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetMinimumLanguage(); 1357 } 1358 } 1359 return lldb::eLanguageTypeC; 1360 } 1361 1362 lldb::TypeClass 1363 ClangASTType::GetTypeClass () const 1364 { 1365 if (!IsValid()) 1366 return lldb::eTypeClassInvalid; 1367 1368 QualType qual_type(GetQualType()); 1369 1370 switch (qual_type->getTypeClass()) 1371 { 1372 case clang::Type::UnaryTransform: break; 1373 case clang::Type::FunctionNoProto: return lldb::eTypeClassFunction; 1374 case clang::Type::FunctionProto: return lldb::eTypeClassFunction; 1375 case clang::Type::IncompleteArray: return lldb::eTypeClassArray; 1376 case clang::Type::VariableArray: return lldb::eTypeClassArray; 1377 case clang::Type::ConstantArray: return lldb::eTypeClassArray; 1378 case clang::Type::DependentSizedArray: return lldb::eTypeClassArray; 1379 case clang::Type::DependentSizedExtVector: return lldb::eTypeClassVector; 1380 case clang::Type::ExtVector: return lldb::eTypeClassVector; 1381 case clang::Type::Vector: return lldb::eTypeClassVector; 1382 case clang::Type::Builtin: return lldb::eTypeClassBuiltin; 1383 case clang::Type::ObjCObjectPointer: return lldb::eTypeClassObjCObjectPointer; 1384 case clang::Type::BlockPointer: return lldb::eTypeClassBlockPointer; 1385 case clang::Type::Pointer: return lldb::eTypeClassPointer; 1386 case clang::Type::LValueReference: return lldb::eTypeClassReference; 1387 case clang::Type::RValueReference: return lldb::eTypeClassReference; 1388 case clang::Type::MemberPointer: return lldb::eTypeClassMemberPointer; 1389 case clang::Type::Complex: 1390 if (qual_type->isComplexType()) 1391 return lldb::eTypeClassComplexFloat; 1392 else 1393 return lldb::eTypeClassComplexInteger; 1394 case clang::Type::ObjCObject: return lldb::eTypeClassObjCObject; 1395 case clang::Type::ObjCInterface: return lldb::eTypeClassObjCInterface; 1396 case clang::Type::Record: 1397 { 1398 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 1399 const RecordDecl *record_decl = record_type->getDecl(); 1400 if (record_decl->isUnion()) 1401 return lldb::eTypeClassUnion; 1402 else if (record_decl->isStruct()) 1403 return lldb::eTypeClassStruct; 1404 else 1405 return lldb::eTypeClassClass; 1406 } 1407 break; 1408 case clang::Type::Enum: return lldb::eTypeClassEnumeration; 1409 case clang::Type::Typedef: return lldb::eTypeClassTypedef; 1410 case clang::Type::UnresolvedUsing: break; 1411 case clang::Type::Paren: 1412 return ClangASTType(m_ast, cast<ParenType>(qual_type)->desugar()).GetTypeClass(); 1413 case clang::Type::Elaborated: 1414 return ClangASTType(m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetTypeClass(); 1415 1416 case clang::Type::Attributed: break; 1417 case clang::Type::TemplateTypeParm: break; 1418 case clang::Type::SubstTemplateTypeParm: break; 1419 case clang::Type::SubstTemplateTypeParmPack:break; 1420 case clang::Type::Auto: break; 1421 case clang::Type::InjectedClassName: break; 1422 case clang::Type::DependentName: break; 1423 case clang::Type::DependentTemplateSpecialization: break; 1424 case clang::Type::PackExpansion: break; 1425 1426 case clang::Type::TypeOfExpr: break; 1427 case clang::Type::TypeOf: break; 1428 case clang::Type::Decltype: break; 1429 case clang::Type::TemplateSpecialization: break; 1430 case clang::Type::Atomic: break; 1431 } 1432 // We don't know hot to display this type... 1433 return lldb::eTypeClassOther; 1434 1435 } 1436 1437 void 1438 ClangASTType::SetClangType (clang::ASTContext *ast, clang::QualType qual_type) 1439 { 1440 m_ast = ast; 1441 m_type = qual_type.getAsOpaquePtr(); 1442 } 1443 1444 unsigned 1445 ClangASTType::GetTypeQualifiers() const 1446 { 1447 if (IsValid()) 1448 return GetQualType().getQualifiers().getCVRQualifiers(); 1449 return 0; 1450 } 1451 1452 //---------------------------------------------------------------------- 1453 // Creating related types 1454 //---------------------------------------------------------------------- 1455 1456 ClangASTType 1457 ClangASTType::AddConstModifier () const 1458 { 1459 if (m_type) 1460 { 1461 QualType result(GetQualType()); 1462 result.addConst(); 1463 return ClangASTType (m_ast, result); 1464 } 1465 return ClangASTType(); 1466 } 1467 1468 ClangASTType 1469 ClangASTType::AddRestrictModifier () const 1470 { 1471 if (m_type) 1472 { 1473 QualType result(GetQualType()); 1474 result.getQualifiers().setRestrict (true); 1475 return ClangASTType (m_ast, result); 1476 } 1477 return ClangASTType(); 1478 } 1479 1480 ClangASTType 1481 ClangASTType::AddVolatileModifier () const 1482 { 1483 if (m_type) 1484 { 1485 QualType result(GetQualType()); 1486 result.getQualifiers().setVolatile (true); 1487 return ClangASTType (m_ast, result); 1488 } 1489 return ClangASTType(); 1490 } 1491 1492 ClangASTType 1493 ClangASTType::GetArrayElementType (uint64_t& stride) const 1494 { 1495 if (IsValid()) 1496 { 1497 QualType qual_type(GetCanonicalQualType()); 1498 1499 ClangASTType element_type (m_ast, qual_type.getTypePtr()->getArrayElementTypeNoTypeQual()->getCanonicalTypeUnqualified()); 1500 1501 // TODO: the real stride will be >= this value.. find the real one! 1502 stride = element_type.GetByteSize(); 1503 1504 return element_type; 1505 1506 } 1507 return ClangASTType(); 1508 } 1509 1510 ClangASTType 1511 ClangASTType::GetCanonicalType () const 1512 { 1513 if (IsValid()) 1514 return ClangASTType (m_ast, GetCanonicalQualType()); 1515 return ClangASTType(); 1516 } 1517 1518 static QualType 1519 GetFullyUnqualifiedType_Impl (ASTContext *ast, QualType qual_type) 1520 { 1521 if (qual_type->isPointerType()) 1522 qual_type = ast->getPointerType(GetFullyUnqualifiedType_Impl(ast, qual_type->getPointeeType())); 1523 else 1524 qual_type = qual_type.getUnqualifiedType(); 1525 qual_type.removeLocalConst(); 1526 qual_type.removeLocalRestrict(); 1527 qual_type.removeLocalVolatile(); 1528 return qual_type; 1529 } 1530 1531 ClangASTType 1532 ClangASTType::GetFullyUnqualifiedType () const 1533 { 1534 if (IsValid()) 1535 return ClangASTType(m_ast, GetFullyUnqualifiedType_Impl(m_ast, GetQualType())); 1536 return ClangASTType(); 1537 } 1538 1539 1540 int 1541 ClangASTType::GetFunctionArgumentCount () const 1542 { 1543 if (IsValid()) 1544 { 1545 const FunctionProtoType* func = dyn_cast<FunctionProtoType>(GetCanonicalQualType()); 1546 if (func) 1547 return func->getNumArgs(); 1548 } 1549 return -1; 1550 } 1551 1552 ClangASTType 1553 ClangASTType::GetFunctionArgumentTypeAtIndex (size_t idx) 1554 { 1555 if (IsValid()) 1556 { 1557 const FunctionProtoType* func = dyn_cast<FunctionProtoType>(GetCanonicalQualType()); 1558 if (func) 1559 { 1560 const uint32_t num_args = func->getNumArgs(); 1561 if (idx < num_args) 1562 return ClangASTType(m_ast, func->getArgType(idx)); 1563 } 1564 } 1565 return ClangASTType(); 1566 } 1567 1568 ClangASTType 1569 ClangASTType::GetFunctionReturnType () const 1570 { 1571 if (IsValid()) 1572 { 1573 QualType qual_type(GetCanonicalQualType()); 1574 const FunctionProtoType* func = dyn_cast<FunctionProtoType>(qual_type.getTypePtr()); 1575 if (func) 1576 return ClangASTType(m_ast, func->getResultType()); 1577 } 1578 return ClangASTType(); 1579 } 1580 1581 1582 ClangASTType 1583 ClangASTType::GetLValueReferenceType () const 1584 { 1585 if (IsValid()) 1586 { 1587 return ClangASTType(m_ast, m_ast->getLValueReferenceType(GetQualType())); 1588 } 1589 return ClangASTType(); 1590 } 1591 1592 ClangASTType 1593 ClangASTType::GetRValueReferenceType () const 1594 { 1595 if (IsValid()) 1596 { 1597 return ClangASTType(m_ast, m_ast->getRValueReferenceType(GetQualType())); 1598 } 1599 return ClangASTType(); 1600 } 1601 1602 ClangASTType 1603 ClangASTType::GetNonReferenceType () const 1604 { 1605 if (IsValid()) 1606 return ClangASTType(m_ast, GetQualType().getNonReferenceType()); 1607 return ClangASTType(); 1608 } 1609 1610 ClangASTType 1611 ClangASTType::CreateTypedefType (const char *typedef_name, 1612 clang::DeclContext *decl_ctx) const 1613 { 1614 if (IsValid() && typedef_name && typedef_name[0]) 1615 { 1616 QualType qual_type (GetQualType()); 1617 if (decl_ctx == NULL) 1618 decl_ctx = m_ast->getTranslationUnitDecl(); 1619 TypedefDecl *decl = TypedefDecl::Create (*m_ast, 1620 decl_ctx, 1621 SourceLocation(), 1622 SourceLocation(), 1623 &m_ast->Idents.get(typedef_name), 1624 m_ast->getTrivialTypeSourceInfo(qual_type)); 1625 1626 decl->setAccess(AS_public); // TODO respect proper access specifier 1627 1628 // Get a uniqued QualType for the typedef decl type 1629 return ClangASTType (m_ast, m_ast->getTypedefType (decl)); 1630 } 1631 return ClangASTType(); 1632 1633 } 1634 1635 ClangASTType 1636 ClangASTType::GetPointeeType () const 1637 { 1638 if (m_type) 1639 { 1640 QualType qual_type(GetQualType()); 1641 return ClangASTType (m_ast, qual_type.getTypePtr()->getPointeeType()); 1642 } 1643 return ClangASTType(); 1644 } 1645 1646 ClangASTType 1647 ClangASTType::GetPointerType () const 1648 { 1649 if (IsValid()) 1650 { 1651 QualType qual_type (GetQualType()); 1652 1653 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 1654 switch (type_class) 1655 { 1656 case clang::Type::ObjCObject: 1657 case clang::Type::ObjCInterface: 1658 return ClangASTType(m_ast, m_ast->getObjCObjectPointerType(qual_type).getAsOpaquePtr()); 1659 1660 default: 1661 return ClangASTType(m_ast, m_ast->getPointerType(qual_type).getAsOpaquePtr()); 1662 } 1663 } 1664 return ClangASTType(); 1665 } 1666 1667 ClangASTType 1668 ClangASTType::GetTypedefedType () const 1669 { 1670 if (IsValid()) 1671 { 1672 const TypedefType *typedef_type = dyn_cast<TypedefType>(GetQualType()); 1673 if (typedef_type) 1674 return ClangASTType (m_ast, typedef_type->getDecl()->getUnderlyingType()); 1675 } 1676 return ClangASTType(); 1677 } 1678 1679 ClangASTType 1680 ClangASTType::RemoveFastQualifiers () const 1681 { 1682 if (m_type) 1683 { 1684 QualType qual_type(GetQualType()); 1685 qual_type.getQualifiers().removeFastQualifiers(); 1686 return ClangASTType (m_ast, qual_type); 1687 } 1688 return ClangASTType(); 1689 } 1690 1691 1692 //---------------------------------------------------------------------- 1693 // Create related types using the current type's AST 1694 //---------------------------------------------------------------------- 1695 1696 ClangASTType 1697 ClangASTType::GetBasicTypeFromAST (lldb::BasicType basic_type) const 1698 { 1699 if (IsValid()) 1700 return ClangASTContext::GetBasicType(m_ast, basic_type); 1701 return ClangASTType(); 1702 } 1703 //---------------------------------------------------------------------- 1704 // Exploring the type 1705 //---------------------------------------------------------------------- 1706 1707 uint64_t 1708 ClangASTType::GetBitSize () const 1709 { 1710 if (GetCompleteType ()) 1711 { 1712 QualType qual_type(GetCanonicalQualType()); 1713 const uint32_t bit_size = m_ast->getTypeSize (qual_type); 1714 if (bit_size == 0) 1715 { 1716 if (qual_type->isIncompleteArrayType()) 1717 return m_ast->getTypeSize (qual_type->getArrayElementTypeNoTypeQual()->getCanonicalTypeUnqualified()); 1718 } 1719 if (qual_type->isObjCObjectOrInterfaceType()) 1720 return bit_size + m_ast->getTypeSize(m_ast->ObjCBuiltinClassTy); 1721 return bit_size; 1722 } 1723 return 0; 1724 } 1725 1726 uint64_t 1727 ClangASTType::GetByteSize () const 1728 { 1729 return (GetBitSize () + 7) / 8; 1730 } 1731 1732 size_t 1733 ClangASTType::GetTypeBitAlign () const 1734 { 1735 if (GetCompleteType ()) 1736 return m_ast->getTypeAlign(GetQualType()); 1737 return 0; 1738 } 1739 1740 1741 lldb::Encoding 1742 ClangASTType::GetEncoding (uint64_t &count) const 1743 { 1744 if (!IsValid()) 1745 return lldb::eEncodingInvalid; 1746 1747 count = 1; 1748 QualType qual_type(GetCanonicalQualType()); 1749 1750 switch (qual_type->getTypeClass()) 1751 { 1752 case clang::Type::UnaryTransform: 1753 break; 1754 1755 case clang::Type::FunctionNoProto: 1756 case clang::Type::FunctionProto: 1757 break; 1758 1759 case clang::Type::IncompleteArray: 1760 case clang::Type::VariableArray: 1761 break; 1762 1763 case clang::Type::ConstantArray: 1764 break; 1765 1766 case clang::Type::ExtVector: 1767 case clang::Type::Vector: 1768 // TODO: Set this to more than one??? 1769 break; 1770 1771 case clang::Type::Builtin: 1772 switch (cast<BuiltinType>(qual_type)->getKind()) 1773 { 1774 default: assert(0 && "Unknown builtin type!"); 1775 case BuiltinType::Void: 1776 break; 1777 1778 case BuiltinType::Bool: 1779 case BuiltinType::Char_S: 1780 case BuiltinType::SChar: 1781 case BuiltinType::WChar_S: 1782 case BuiltinType::Char16: 1783 case BuiltinType::Char32: 1784 case BuiltinType::Short: 1785 case BuiltinType::Int: 1786 case BuiltinType::Long: 1787 case BuiltinType::LongLong: 1788 case BuiltinType::Int128: return lldb::eEncodingSint; 1789 1790 case BuiltinType::Char_U: 1791 case BuiltinType::UChar: 1792 case BuiltinType::WChar_U: 1793 case BuiltinType::UShort: 1794 case BuiltinType::UInt: 1795 case BuiltinType::ULong: 1796 case BuiltinType::ULongLong: 1797 case BuiltinType::UInt128: return lldb::eEncodingUint; 1798 1799 case BuiltinType::Float: 1800 case BuiltinType::Double: 1801 case BuiltinType::LongDouble: return lldb::eEncodingIEEE754; 1802 1803 case BuiltinType::ObjCClass: 1804 case BuiltinType::ObjCId: 1805 case BuiltinType::ObjCSel: return lldb::eEncodingUint; 1806 1807 case BuiltinType::NullPtr: return lldb::eEncodingUint; 1808 } 1809 break; 1810 // All pointer types are represented as unsigned integer encodings. 1811 // We may nee to add a eEncodingPointer if we ever need to know the 1812 // difference 1813 case clang::Type::ObjCObjectPointer: 1814 case clang::Type::BlockPointer: 1815 case clang::Type::Pointer: 1816 case clang::Type::LValueReference: 1817 case clang::Type::RValueReference: 1818 case clang::Type::MemberPointer: return lldb::eEncodingUint; 1819 case clang::Type::Complex: 1820 { 1821 lldb::Encoding encoding = lldb::eEncodingIEEE754; 1822 if (qual_type->isComplexType()) 1823 encoding = lldb::eEncodingIEEE754; 1824 else 1825 { 1826 const ComplexType *complex_type = qual_type->getAsComplexIntegerType(); 1827 if (complex_type) 1828 encoding = ClangASTType(m_ast, complex_type->getElementType()).GetEncoding(count); 1829 else 1830 encoding = lldb::eEncodingSint; 1831 } 1832 count = 2; 1833 return encoding; 1834 } 1835 1836 case clang::Type::ObjCInterface: break; 1837 case clang::Type::Record: break; 1838 case clang::Type::Enum: return lldb::eEncodingSint; 1839 case clang::Type::Typedef: 1840 return ClangASTType(m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetEncoding(count); 1841 1842 case clang::Type::Elaborated: 1843 return ClangASTType(m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetEncoding(count); 1844 1845 case clang::Type::Paren: 1846 return ClangASTType(m_ast, cast<ParenType>(qual_type)->desugar()).GetEncoding(count); 1847 1848 case clang::Type::DependentSizedArray: 1849 case clang::Type::DependentSizedExtVector: 1850 case clang::Type::UnresolvedUsing: 1851 case clang::Type::Attributed: 1852 case clang::Type::TemplateTypeParm: 1853 case clang::Type::SubstTemplateTypeParm: 1854 case clang::Type::SubstTemplateTypeParmPack: 1855 case clang::Type::Auto: 1856 case clang::Type::InjectedClassName: 1857 case clang::Type::DependentName: 1858 case clang::Type::DependentTemplateSpecialization: 1859 case clang::Type::PackExpansion: 1860 case clang::Type::ObjCObject: 1861 1862 case clang::Type::TypeOfExpr: 1863 case clang::Type::TypeOf: 1864 case clang::Type::Decltype: 1865 case clang::Type::TemplateSpecialization: 1866 case clang::Type::Atomic: 1867 break; 1868 1869 } 1870 count = 0; 1871 return lldb::eEncodingInvalid; 1872 } 1873 1874 lldb::Format 1875 ClangASTType::GetFormat () const 1876 { 1877 if (!IsValid()) 1878 return lldb::eFormatDefault; 1879 1880 QualType qual_type(GetCanonicalQualType()); 1881 1882 switch (qual_type->getTypeClass()) 1883 { 1884 case clang::Type::UnaryTransform: 1885 break; 1886 1887 case clang::Type::FunctionNoProto: 1888 case clang::Type::FunctionProto: 1889 break; 1890 1891 case clang::Type::IncompleteArray: 1892 case clang::Type::VariableArray: 1893 break; 1894 1895 case clang::Type::ConstantArray: 1896 return lldb::eFormatVoid; // no value 1897 1898 case clang::Type::ExtVector: 1899 case clang::Type::Vector: 1900 break; 1901 1902 case clang::Type::Builtin: 1903 switch (cast<BuiltinType>(qual_type)->getKind()) 1904 { 1905 //default: assert(0 && "Unknown builtin type!"); 1906 case BuiltinType::UnknownAny: 1907 case BuiltinType::Void: 1908 case BuiltinType::BoundMember: 1909 break; 1910 1911 case BuiltinType::Bool: return lldb::eFormatBoolean; 1912 case BuiltinType::Char_S: 1913 case BuiltinType::SChar: 1914 case BuiltinType::WChar_S: 1915 case BuiltinType::Char_U: 1916 case BuiltinType::UChar: 1917 case BuiltinType::WChar_U: return lldb::eFormatChar; 1918 case BuiltinType::Char16: return lldb::eFormatUnicode16; 1919 case BuiltinType::Char32: return lldb::eFormatUnicode32; 1920 case BuiltinType::UShort: return lldb::eFormatUnsigned; 1921 case BuiltinType::Short: return lldb::eFormatDecimal; 1922 case BuiltinType::UInt: return lldb::eFormatUnsigned; 1923 case BuiltinType::Int: return lldb::eFormatDecimal; 1924 case BuiltinType::ULong: return lldb::eFormatUnsigned; 1925 case BuiltinType::Long: return lldb::eFormatDecimal; 1926 case BuiltinType::ULongLong: return lldb::eFormatUnsigned; 1927 case BuiltinType::LongLong: return lldb::eFormatDecimal; 1928 case BuiltinType::UInt128: return lldb::eFormatUnsigned; 1929 case BuiltinType::Int128: return lldb::eFormatDecimal; 1930 case BuiltinType::Float: return lldb::eFormatFloat; 1931 case BuiltinType::Double: return lldb::eFormatFloat; 1932 case BuiltinType::LongDouble: return lldb::eFormatFloat; 1933 case BuiltinType::NullPtr: 1934 case BuiltinType::Overload: 1935 case BuiltinType::Dependent: 1936 case BuiltinType::ObjCId: 1937 case BuiltinType::ObjCClass: 1938 case BuiltinType::ObjCSel: 1939 case BuiltinType::Half: 1940 case BuiltinType::ARCUnbridgedCast: 1941 case BuiltinType::PseudoObject: 1942 case BuiltinType::BuiltinFn: 1943 case BuiltinType::OCLEvent: 1944 case BuiltinType::OCLImage1d: 1945 case BuiltinType::OCLImage1dArray: 1946 case BuiltinType::OCLImage1dBuffer: 1947 case BuiltinType::OCLImage2d: 1948 case BuiltinType::OCLImage2dArray: 1949 case BuiltinType::OCLImage3d: 1950 case BuiltinType::OCLSampler: 1951 return lldb::eFormatHex; 1952 } 1953 break; 1954 case clang::Type::ObjCObjectPointer: return lldb::eFormatHex; 1955 case clang::Type::BlockPointer: return lldb::eFormatHex; 1956 case clang::Type::Pointer: return lldb::eFormatHex; 1957 case clang::Type::LValueReference: 1958 case clang::Type::RValueReference: return lldb::eFormatHex; 1959 case clang::Type::MemberPointer: break; 1960 case clang::Type::Complex: 1961 { 1962 if (qual_type->isComplexType()) 1963 return lldb::eFormatComplex; 1964 else 1965 return lldb::eFormatComplexInteger; 1966 } 1967 case clang::Type::ObjCInterface: break; 1968 case clang::Type::Record: break; 1969 case clang::Type::Enum: return lldb::eFormatEnum; 1970 case clang::Type::Typedef: 1971 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetFormat(); 1972 case clang::Type::Auto: 1973 return ClangASTType (m_ast, cast<AutoType>(qual_type)->desugar()).GetFormat(); 1974 case clang::Type::Paren: 1975 return ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).GetFormat(); 1976 case clang::Type::Elaborated: 1977 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetFormat(); 1978 case clang::Type::DependentSizedArray: 1979 case clang::Type::DependentSizedExtVector: 1980 case clang::Type::UnresolvedUsing: 1981 case clang::Type::Attributed: 1982 case clang::Type::TemplateTypeParm: 1983 case clang::Type::SubstTemplateTypeParm: 1984 case clang::Type::SubstTemplateTypeParmPack: 1985 case clang::Type::InjectedClassName: 1986 case clang::Type::DependentName: 1987 case clang::Type::DependentTemplateSpecialization: 1988 case clang::Type::PackExpansion: 1989 case clang::Type::ObjCObject: 1990 1991 case clang::Type::TypeOfExpr: 1992 case clang::Type::TypeOf: 1993 case clang::Type::Decltype: 1994 case clang::Type::TemplateSpecialization: 1995 case clang::Type::Atomic: 1996 break; 1997 } 1998 // We don't know hot to display this type... 1999 return lldb::eFormatBytes; 2000 } 2001 2002 static bool 2003 ObjCDeclHasIVars (ObjCInterfaceDecl *class_interface_decl, bool check_superclass) 2004 { 2005 while (class_interface_decl) 2006 { 2007 if (class_interface_decl->ivar_size() > 0) 2008 return true; 2009 2010 if (check_superclass) 2011 class_interface_decl = class_interface_decl->getSuperClass(); 2012 else 2013 break; 2014 } 2015 return false; 2016 } 2017 2018 uint32_t 2019 ClangASTType::GetNumChildren (bool omit_empty_base_classes) const 2020 { 2021 if (!IsValid()) 2022 return 0; 2023 2024 uint32_t num_children = 0; 2025 QualType qual_type(GetQualType()); 2026 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2027 switch (type_class) 2028 { 2029 case clang::Type::Builtin: 2030 switch (cast<BuiltinType>(qual_type)->getKind()) 2031 { 2032 case BuiltinType::ObjCId: // child is Class 2033 case BuiltinType::ObjCClass: // child is Class 2034 num_children = 1; 2035 break; 2036 2037 default: 2038 break; 2039 } 2040 break; 2041 2042 case clang::Type::Complex: return 0; 2043 2044 case clang::Type::Record: 2045 if (GetCompleteQualType (m_ast, qual_type)) 2046 { 2047 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 2048 const RecordDecl *record_decl = record_type->getDecl(); 2049 assert(record_decl); 2050 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 2051 if (cxx_record_decl) 2052 { 2053 if (omit_empty_base_classes) 2054 { 2055 // Check each base classes to see if it or any of its 2056 // base classes contain any fields. This can help 2057 // limit the noise in variable views by not having to 2058 // show base classes that contain no members. 2059 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 2060 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 2061 base_class != base_class_end; 2062 ++base_class) 2063 { 2064 const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 2065 2066 // Skip empty base classes 2067 if (ClangASTContext::RecordHasFields(base_class_decl) == false) 2068 continue; 2069 2070 num_children++; 2071 } 2072 } 2073 else 2074 { 2075 // Include all base classes 2076 num_children += cxx_record_decl->getNumBases(); 2077 } 2078 2079 } 2080 RecordDecl::field_iterator field, field_end; 2081 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field) 2082 ++num_children; 2083 } 2084 break; 2085 2086 case clang::Type::ObjCObject: 2087 case clang::Type::ObjCInterface: 2088 if (GetCompleteQualType (m_ast, qual_type)) 2089 { 2090 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 2091 assert (objc_class_type); 2092 if (objc_class_type) 2093 { 2094 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 2095 2096 if (class_interface_decl) 2097 { 2098 2099 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 2100 if (superclass_interface_decl) 2101 { 2102 if (omit_empty_base_classes) 2103 { 2104 if (ObjCDeclHasIVars (superclass_interface_decl, true)) 2105 ++num_children; 2106 } 2107 else 2108 ++num_children; 2109 } 2110 2111 num_children += class_interface_decl->ivar_size(); 2112 } 2113 } 2114 } 2115 break; 2116 2117 case clang::Type::ObjCObjectPointer: 2118 { 2119 const ObjCObjectPointerType *pointer_type = cast<ObjCObjectPointerType>(qual_type.getTypePtr()); 2120 QualType pointee_type = pointer_type->getPointeeType(); 2121 uint32_t num_pointee_children = ClangASTType (m_ast,pointee_type).GetNumChildren (omit_empty_base_classes); 2122 // If this type points to a simple type, then it has 1 child 2123 if (num_pointee_children == 0) 2124 num_children = 1; 2125 else 2126 num_children = num_pointee_children; 2127 } 2128 break; 2129 2130 case clang::Type::Vector: 2131 case clang::Type::ExtVector: 2132 num_children = cast<VectorType>(qual_type.getTypePtr())->getNumElements(); 2133 break; 2134 2135 case clang::Type::ConstantArray: 2136 num_children = cast<ConstantArrayType>(qual_type.getTypePtr())->getSize().getLimitedValue(); 2137 break; 2138 2139 case clang::Type::Pointer: 2140 { 2141 const PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); 2142 QualType pointee_type (pointer_type->getPointeeType()); 2143 uint32_t num_pointee_children = ClangASTType (m_ast,pointee_type).GetNumChildren (omit_empty_base_classes); 2144 if (num_pointee_children == 0) 2145 { 2146 // We have a pointer to a pointee type that claims it has no children. 2147 // We will want to look at 2148 num_children = ClangASTType (m_ast, pointee_type).GetNumPointeeChildren(); 2149 } 2150 else 2151 num_children = num_pointee_children; 2152 } 2153 break; 2154 2155 case clang::Type::LValueReference: 2156 case clang::Type::RValueReference: 2157 { 2158 const ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); 2159 QualType pointee_type = reference_type->getPointeeType(); 2160 uint32_t num_pointee_children = ClangASTType (m_ast, pointee_type).GetNumChildren (omit_empty_base_classes); 2161 // If this type points to a simple type, then it has 1 child 2162 if (num_pointee_children == 0) 2163 num_children = 1; 2164 else 2165 num_children = num_pointee_children; 2166 } 2167 break; 2168 2169 2170 case clang::Type::Typedef: 2171 num_children = ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumChildren (omit_empty_base_classes); 2172 break; 2173 2174 case clang::Type::Elaborated: 2175 num_children = ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumChildren (omit_empty_base_classes); 2176 break; 2177 2178 case clang::Type::Paren: 2179 num_children = ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).GetNumChildren (omit_empty_base_classes); 2180 break; 2181 default: 2182 break; 2183 } 2184 return num_children; 2185 } 2186 2187 lldb::BasicType 2188 ClangASTType::GetBasicTypeEnumeration () const 2189 { 2190 if (IsValid()) 2191 { 2192 QualType qual_type(GetQualType()); 2193 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2194 if (type_class == clang::Type::Builtin) 2195 { 2196 switch (cast<clang::BuiltinType>(qual_type)->getKind()) 2197 { 2198 case clang::BuiltinType::Void: return eBasicTypeVoid; 2199 case clang::BuiltinType::Bool: return eBasicTypeBool; 2200 case clang::BuiltinType::Char_S: return eBasicTypeSignedChar; 2201 case clang::BuiltinType::Char_U: return eBasicTypeUnsignedChar; 2202 case clang::BuiltinType::Char16: return eBasicTypeChar16; 2203 case clang::BuiltinType::Char32: return eBasicTypeChar32; 2204 case clang::BuiltinType::UChar: return eBasicTypeUnsignedChar; 2205 case clang::BuiltinType::SChar: return eBasicTypeSignedChar; 2206 case clang::BuiltinType::WChar_S: return eBasicTypeSignedWChar; 2207 case clang::BuiltinType::WChar_U: return eBasicTypeUnsignedWChar; 2208 case clang::BuiltinType::Short: return eBasicTypeShort; 2209 case clang::BuiltinType::UShort: return eBasicTypeUnsignedShort; 2210 case clang::BuiltinType::Int: return eBasicTypeInt; 2211 case clang::BuiltinType::UInt: return eBasicTypeUnsignedInt; 2212 case clang::BuiltinType::Long: return eBasicTypeLong; 2213 case clang::BuiltinType::ULong: return eBasicTypeUnsignedLong; 2214 case clang::BuiltinType::LongLong: return eBasicTypeLongLong; 2215 case clang::BuiltinType::ULongLong: return eBasicTypeUnsignedLongLong; 2216 case clang::BuiltinType::Int128: return eBasicTypeInt128; 2217 case clang::BuiltinType::UInt128: return eBasicTypeUnsignedInt128; 2218 2219 case clang::BuiltinType::Half: return eBasicTypeHalf; 2220 case clang::BuiltinType::Float: return eBasicTypeFloat; 2221 case clang::BuiltinType::Double: return eBasicTypeDouble; 2222 case clang::BuiltinType::LongDouble:return eBasicTypeLongDouble; 2223 2224 case clang::BuiltinType::NullPtr: return eBasicTypeNullPtr; 2225 case clang::BuiltinType::ObjCId: return eBasicTypeObjCID; 2226 case clang::BuiltinType::ObjCClass: return eBasicTypeObjCClass; 2227 case clang::BuiltinType::ObjCSel: return eBasicTypeObjCSel; 2228 case clang::BuiltinType::Dependent: 2229 case clang::BuiltinType::Overload: 2230 case clang::BuiltinType::BoundMember: 2231 case clang::BuiltinType::PseudoObject: 2232 case clang::BuiltinType::UnknownAny: 2233 case clang::BuiltinType::BuiltinFn: 2234 case clang::BuiltinType::ARCUnbridgedCast: 2235 case clang::BuiltinType::OCLEvent: 2236 case clang::BuiltinType::OCLImage1d: 2237 case clang::BuiltinType::OCLImage1dArray: 2238 case clang::BuiltinType::OCLImage1dBuffer: 2239 case clang::BuiltinType::OCLImage2d: 2240 case clang::BuiltinType::OCLImage2dArray: 2241 case clang::BuiltinType::OCLImage3d: 2242 case clang::BuiltinType::OCLSampler: 2243 return eBasicTypeOther; 2244 } 2245 } 2246 } 2247 return eBasicTypeInvalid; 2248 } 2249 2250 2251 #pragma mark Aggregate Types 2252 2253 uint32_t 2254 ClangASTType::GetNumDirectBaseClasses () const 2255 { 2256 if (!IsValid()) 2257 return 0; 2258 2259 uint32_t count = 0; 2260 QualType qual_type(GetCanonicalQualType()); 2261 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2262 switch (type_class) 2263 { 2264 case clang::Type::Record: 2265 if (GetCompleteType()) 2266 { 2267 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 2268 if (cxx_record_decl) 2269 count = cxx_record_decl->getNumBases(); 2270 } 2271 break; 2272 2273 case clang::Type::ObjCObjectPointer: 2274 if (GetCompleteType()) 2275 { 2276 const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); 2277 if (objc_class_type) 2278 { 2279 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); 2280 if (class_interface_decl && class_interface_decl->getSuperClass()) 2281 count = 1; 2282 } 2283 } 2284 break; 2285 2286 case clang::Type::ObjCObject: 2287 case clang::Type::ObjCInterface: 2288 if (GetCompleteType()) 2289 { 2290 const ObjCObjectType *objc_class_type = qual_type->getAsObjCQualifiedInterfaceType(); 2291 if (objc_class_type) 2292 { 2293 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 2294 2295 if (class_interface_decl && class_interface_decl->getSuperClass()) 2296 count = 1; 2297 } 2298 } 2299 break; 2300 2301 2302 case clang::Type::Typedef: 2303 count = ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumDirectBaseClasses (); 2304 break; 2305 2306 case clang::Type::Elaborated: 2307 count = ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumDirectBaseClasses (); 2308 break; 2309 2310 case clang::Type::Paren: 2311 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetNumDirectBaseClasses (); 2312 2313 default: 2314 break; 2315 } 2316 return count; 2317 } 2318 2319 uint32_t 2320 ClangASTType::GetNumVirtualBaseClasses () const 2321 { 2322 if (!IsValid()) 2323 return 0; 2324 2325 uint32_t count = 0; 2326 QualType qual_type(GetCanonicalQualType()); 2327 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2328 switch (type_class) 2329 { 2330 case clang::Type::Record: 2331 if (GetCompleteType()) 2332 { 2333 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 2334 if (cxx_record_decl) 2335 count = cxx_record_decl->getNumVBases(); 2336 } 2337 break; 2338 2339 case clang::Type::Typedef: 2340 count = ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumVirtualBaseClasses(); 2341 break; 2342 2343 case clang::Type::Elaborated: 2344 count = ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumVirtualBaseClasses(); 2345 break; 2346 2347 case clang::Type::Paren: 2348 count = ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetNumVirtualBaseClasses(); 2349 break; 2350 2351 default: 2352 break; 2353 } 2354 return count; 2355 } 2356 2357 uint32_t 2358 ClangASTType::GetNumFields () const 2359 { 2360 if (!IsValid()) 2361 return 0; 2362 2363 uint32_t count = 0; 2364 QualType qual_type(GetCanonicalQualType()); 2365 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2366 switch (type_class) 2367 { 2368 case clang::Type::Record: 2369 if (GetCompleteType()) 2370 { 2371 const RecordType *record_type = dyn_cast<RecordType>(qual_type.getTypePtr()); 2372 if (record_type) 2373 { 2374 RecordDecl *record_decl = record_type->getDecl(); 2375 if (record_decl) 2376 { 2377 uint32_t field_idx = 0; 2378 RecordDecl::field_iterator field, field_end; 2379 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field) 2380 ++field_idx; 2381 count = field_idx; 2382 } 2383 } 2384 } 2385 break; 2386 2387 case clang::Type::Typedef: 2388 count = ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumFields(); 2389 break; 2390 2391 case clang::Type::Elaborated: 2392 count = ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumFields(); 2393 break; 2394 2395 case clang::Type::Paren: 2396 count = ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetNumFields(); 2397 break; 2398 2399 case clang::Type::ObjCObjectPointer: 2400 if (GetCompleteType()) 2401 { 2402 const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); 2403 if (objc_class_type) 2404 { 2405 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); 2406 2407 if (class_interface_decl) 2408 count = class_interface_decl->ivar_size(); 2409 } 2410 } 2411 break; 2412 2413 case clang::Type::ObjCObject: 2414 case clang::Type::ObjCInterface: 2415 if (GetCompleteType()) 2416 { 2417 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 2418 if (objc_class_type) 2419 { 2420 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 2421 2422 if (class_interface_decl) 2423 count = class_interface_decl->ivar_size(); 2424 } 2425 } 2426 break; 2427 2428 default: 2429 break; 2430 } 2431 return count; 2432 } 2433 2434 ClangASTType 2435 ClangASTType::GetDirectBaseClassAtIndex (size_t idx, uint32_t *bit_offset_ptr) const 2436 { 2437 if (!IsValid()) 2438 return ClangASTType(); 2439 2440 QualType qual_type(GetCanonicalQualType()); 2441 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2442 switch (type_class) 2443 { 2444 case clang::Type::Record: 2445 if (GetCompleteType()) 2446 { 2447 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 2448 if (cxx_record_decl) 2449 { 2450 uint32_t curr_idx = 0; 2451 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 2452 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 2453 base_class != base_class_end; 2454 ++base_class, ++curr_idx) 2455 { 2456 if (curr_idx == idx) 2457 { 2458 if (bit_offset_ptr) 2459 { 2460 const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(cxx_record_decl); 2461 const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 2462 if (base_class->isVirtual()) 2463 *bit_offset_ptr = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; 2464 else 2465 *bit_offset_ptr = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; 2466 } 2467 return ClangASTType (m_ast, base_class->getType()); 2468 } 2469 } 2470 } 2471 } 2472 break; 2473 2474 case clang::Type::ObjCObjectPointer: 2475 if (idx == 0 && GetCompleteType()) 2476 { 2477 const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); 2478 if (objc_class_type) 2479 { 2480 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); 2481 if (class_interface_decl) 2482 { 2483 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 2484 if (superclass_interface_decl) 2485 { 2486 if (bit_offset_ptr) 2487 *bit_offset_ptr = 0; 2488 return ClangASTType (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); 2489 } 2490 } 2491 } 2492 } 2493 break; 2494 2495 case clang::Type::ObjCObject: 2496 case clang::Type::ObjCInterface: 2497 if (idx == 0 && GetCompleteType()) 2498 { 2499 const ObjCObjectType *objc_class_type = qual_type->getAsObjCQualifiedInterfaceType(); 2500 if (objc_class_type) 2501 { 2502 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 2503 2504 if (class_interface_decl) 2505 { 2506 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 2507 if (superclass_interface_decl) 2508 { 2509 if (bit_offset_ptr) 2510 *bit_offset_ptr = 0; 2511 return ClangASTType (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); 2512 } 2513 } 2514 } 2515 } 2516 break; 2517 2518 2519 case clang::Type::Typedef: 2520 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); 2521 2522 case clang::Type::Elaborated: 2523 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); 2524 2525 case clang::Type::Paren: 2526 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetDirectBaseClassAtIndex (idx, bit_offset_ptr); 2527 2528 default: 2529 break; 2530 } 2531 return ClangASTType(); 2532 } 2533 2534 ClangASTType 2535 ClangASTType::GetVirtualBaseClassAtIndex (size_t idx, uint32_t *bit_offset_ptr) const 2536 { 2537 if (!IsValid()) 2538 return ClangASTType(); 2539 2540 QualType qual_type(GetCanonicalQualType()); 2541 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2542 switch (type_class) 2543 { 2544 case clang::Type::Record: 2545 if (GetCompleteType()) 2546 { 2547 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 2548 if (cxx_record_decl) 2549 { 2550 uint32_t curr_idx = 0; 2551 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 2552 for (base_class = cxx_record_decl->vbases_begin(), base_class_end = cxx_record_decl->vbases_end(); 2553 base_class != base_class_end; 2554 ++base_class, ++curr_idx) 2555 { 2556 if (curr_idx == idx) 2557 { 2558 if (bit_offset_ptr) 2559 { 2560 const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(cxx_record_decl); 2561 const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 2562 *bit_offset_ptr = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; 2563 2564 } 2565 return ClangASTType (m_ast, base_class->getType()); 2566 } 2567 } 2568 } 2569 } 2570 break; 2571 2572 case clang::Type::Typedef: 2573 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); 2574 2575 case clang::Type::Elaborated: 2576 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); 2577 2578 case clang::Type::Paren: 2579 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetVirtualBaseClassAtIndex (idx, bit_offset_ptr); 2580 2581 default: 2582 break; 2583 } 2584 return ClangASTType(); 2585 } 2586 2587 static clang_type_t 2588 GetObjCFieldAtIndex (clang::ASTContext *ast, 2589 ObjCInterfaceDecl *class_interface_decl, 2590 size_t idx, 2591 std::string& name, 2592 uint64_t *bit_offset_ptr, 2593 uint32_t *bitfield_bit_size_ptr, 2594 bool *is_bitfield_ptr) 2595 { 2596 if (class_interface_decl) 2597 { 2598 if (idx < (class_interface_decl->ivar_size())) 2599 { 2600 ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); 2601 uint32_t ivar_idx = 0; 2602 2603 for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++ivar_idx) 2604 { 2605 if (ivar_idx == idx) 2606 { 2607 const ObjCIvarDecl* ivar_decl = *ivar_pos; 2608 2609 QualType ivar_qual_type(ivar_decl->getType()); 2610 2611 name.assign(ivar_decl->getNameAsString()); 2612 2613 if (bit_offset_ptr) 2614 { 2615 const ASTRecordLayout &interface_layout = ast->getASTObjCInterfaceLayout(class_interface_decl); 2616 *bit_offset_ptr = interface_layout.getFieldOffset (ivar_idx); 2617 } 2618 2619 const bool is_bitfield = ivar_pos->isBitField(); 2620 2621 if (bitfield_bit_size_ptr) 2622 { 2623 *bitfield_bit_size_ptr = 0; 2624 2625 if (is_bitfield && ast) 2626 { 2627 Expr *bitfield_bit_size_expr = ivar_pos->getBitWidth(); 2628 llvm::APSInt bitfield_apsint; 2629 if (bitfield_bit_size_expr && bitfield_bit_size_expr->EvaluateAsInt(bitfield_apsint, *ast)) 2630 { 2631 *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); 2632 } 2633 } 2634 } 2635 if (is_bitfield_ptr) 2636 *is_bitfield_ptr = is_bitfield; 2637 2638 return ivar_qual_type.getAsOpaquePtr(); 2639 } 2640 } 2641 } 2642 } 2643 return NULL; 2644 } 2645 2646 ClangASTType 2647 ClangASTType::GetFieldAtIndex (size_t idx, 2648 std::string& name, 2649 uint64_t *bit_offset_ptr, 2650 uint32_t *bitfield_bit_size_ptr, 2651 bool *is_bitfield_ptr) const 2652 { 2653 if (!IsValid()) 2654 return ClangASTType(); 2655 2656 QualType qual_type(GetCanonicalQualType()); 2657 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2658 switch (type_class) 2659 { 2660 case clang::Type::Record: 2661 if (GetCompleteType()) 2662 { 2663 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 2664 const RecordDecl *record_decl = record_type->getDecl(); 2665 uint32_t field_idx = 0; 2666 RecordDecl::field_iterator field, field_end; 2667 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx) 2668 { 2669 if (idx == field_idx) 2670 { 2671 // Print the member type if requested 2672 // Print the member name and equal sign 2673 name.assign(field->getNameAsString()); 2674 2675 // Figure out the type byte size (field_type_info.first) and 2676 // alignment (field_type_info.second) from the AST context. 2677 if (bit_offset_ptr) 2678 { 2679 const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); 2680 *bit_offset_ptr = record_layout.getFieldOffset (field_idx); 2681 } 2682 2683 const bool is_bitfield = field->isBitField(); 2684 2685 if (bitfield_bit_size_ptr) 2686 { 2687 *bitfield_bit_size_ptr = 0; 2688 2689 if (is_bitfield) 2690 { 2691 Expr *bitfield_bit_size_expr = field->getBitWidth(); 2692 llvm::APSInt bitfield_apsint; 2693 if (bitfield_bit_size_expr && bitfield_bit_size_expr->EvaluateAsInt(bitfield_apsint, *m_ast)) 2694 { 2695 *bitfield_bit_size_ptr = bitfield_apsint.getLimitedValue(); 2696 } 2697 } 2698 } 2699 if (is_bitfield_ptr) 2700 *is_bitfield_ptr = is_bitfield; 2701 2702 return ClangASTType (m_ast, field->getType()); 2703 } 2704 } 2705 } 2706 break; 2707 2708 case clang::Type::ObjCObjectPointer: 2709 if (GetCompleteType()) 2710 { 2711 const ObjCObjectPointerType *objc_class_type = qual_type->getAsObjCInterfacePointerType(); 2712 if (objc_class_type) 2713 { 2714 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterfaceDecl(); 2715 return ClangASTType (m_ast, GetObjCFieldAtIndex(m_ast, class_interface_decl, idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); 2716 } 2717 } 2718 break; 2719 2720 case clang::Type::ObjCObject: 2721 case clang::Type::ObjCInterface: 2722 if (GetCompleteType()) 2723 { 2724 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 2725 assert (objc_class_type); 2726 if (objc_class_type) 2727 { 2728 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 2729 return ClangASTType (m_ast, GetObjCFieldAtIndex(m_ast, class_interface_decl, idx, name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); 2730 } 2731 } 2732 break; 2733 2734 2735 case clang::Type::Typedef: 2736 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()). 2737 GetFieldAtIndex (idx, 2738 name, 2739 bit_offset_ptr, 2740 bitfield_bit_size_ptr, 2741 is_bitfield_ptr); 2742 2743 case clang::Type::Elaborated: 2744 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()). 2745 GetFieldAtIndex (idx, 2746 name, 2747 bit_offset_ptr, 2748 bitfield_bit_size_ptr, 2749 is_bitfield_ptr); 2750 2751 case clang::Type::Paren: 2752 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()). 2753 GetFieldAtIndex (idx, 2754 name, 2755 bit_offset_ptr, 2756 bitfield_bit_size_ptr, 2757 is_bitfield_ptr); 2758 2759 default: 2760 break; 2761 } 2762 return ClangASTType(); 2763 } 2764 2765 uint32_t 2766 ClangASTType::GetIndexOfFieldWithName (const char* name, 2767 ClangASTType* field_clang_type_ptr, 2768 uint64_t *bit_offset_ptr, 2769 uint32_t *bitfield_bit_size_ptr, 2770 bool *is_bitfield_ptr) const 2771 { 2772 unsigned count = GetNumFields(); 2773 std::string field_name; 2774 for (unsigned index = 0; index < count; index++) 2775 { 2776 ClangASTType field_clang_type (GetFieldAtIndex(index, field_name, bit_offset_ptr, bitfield_bit_size_ptr, is_bitfield_ptr)); 2777 if (strcmp(field_name.c_str(), name) == 0) 2778 { 2779 if (field_clang_type_ptr) 2780 *field_clang_type_ptr = field_clang_type; 2781 return index; 2782 } 2783 } 2784 return UINT32_MAX; 2785 } 2786 2787 // If a pointer to a pointee type (the clang_type arg) says that it has no 2788 // children, then we either need to trust it, or override it and return a 2789 // different result. For example, an "int *" has one child that is an integer, 2790 // but a function pointer doesn't have any children. Likewise if a Record type 2791 // claims it has no children, then there really is nothing to show. 2792 uint32_t 2793 ClangASTType::GetNumPointeeChildren () const 2794 { 2795 if (!IsValid()) 2796 return 0; 2797 2798 QualType qual_type(GetCanonicalQualType()); 2799 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 2800 switch (type_class) 2801 { 2802 case clang::Type::Builtin: 2803 switch (cast<clang::BuiltinType>(qual_type)->getKind()) 2804 { 2805 case clang::BuiltinType::UnknownAny: 2806 case clang::BuiltinType::Void: 2807 case clang::BuiltinType::NullPtr: 2808 case clang::BuiltinType::OCLEvent: 2809 case clang::BuiltinType::OCLImage1d: 2810 case clang::BuiltinType::OCLImage1dArray: 2811 case clang::BuiltinType::OCLImage1dBuffer: 2812 case clang::BuiltinType::OCLImage2d: 2813 case clang::BuiltinType::OCLImage2dArray: 2814 case clang::BuiltinType::OCLImage3d: 2815 case clang::BuiltinType::OCLSampler: 2816 return 0; 2817 case clang::BuiltinType::Bool: 2818 case clang::BuiltinType::Char_U: 2819 case clang::BuiltinType::UChar: 2820 case clang::BuiltinType::WChar_U: 2821 case clang::BuiltinType::Char16: 2822 case clang::BuiltinType::Char32: 2823 case clang::BuiltinType::UShort: 2824 case clang::BuiltinType::UInt: 2825 case clang::BuiltinType::ULong: 2826 case clang::BuiltinType::ULongLong: 2827 case clang::BuiltinType::UInt128: 2828 case clang::BuiltinType::Char_S: 2829 case clang::BuiltinType::SChar: 2830 case clang::BuiltinType::WChar_S: 2831 case clang::BuiltinType::Short: 2832 case clang::BuiltinType::Int: 2833 case clang::BuiltinType::Long: 2834 case clang::BuiltinType::LongLong: 2835 case clang::BuiltinType::Int128: 2836 case clang::BuiltinType::Float: 2837 case clang::BuiltinType::Double: 2838 case clang::BuiltinType::LongDouble: 2839 case clang::BuiltinType::Dependent: 2840 case clang::BuiltinType::Overload: 2841 case clang::BuiltinType::ObjCId: 2842 case clang::BuiltinType::ObjCClass: 2843 case clang::BuiltinType::ObjCSel: 2844 case clang::BuiltinType::BoundMember: 2845 case clang::BuiltinType::Half: 2846 case clang::BuiltinType::ARCUnbridgedCast: 2847 case clang::BuiltinType::PseudoObject: 2848 case clang::BuiltinType::BuiltinFn: 2849 return 1; 2850 } 2851 break; 2852 2853 case clang::Type::Complex: return 1; 2854 case clang::Type::Pointer: return 1; 2855 case clang::Type::BlockPointer: return 0; // If block pointers don't have debug info, then no children for them 2856 case clang::Type::LValueReference: return 1; 2857 case clang::Type::RValueReference: return 1; 2858 case clang::Type::MemberPointer: return 0; 2859 case clang::Type::ConstantArray: return 0; 2860 case clang::Type::IncompleteArray: return 0; 2861 case clang::Type::VariableArray: return 0; 2862 case clang::Type::DependentSizedArray: return 0; 2863 case clang::Type::DependentSizedExtVector: return 0; 2864 case clang::Type::Vector: return 0; 2865 case clang::Type::ExtVector: return 0; 2866 case clang::Type::FunctionProto: return 0; // When we function pointers, they have no children... 2867 case clang::Type::FunctionNoProto: return 0; // When we function pointers, they have no children... 2868 case clang::Type::UnresolvedUsing: return 0; 2869 case clang::Type::Paren: return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetNumPointeeChildren (); 2870 case clang::Type::Typedef: return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumPointeeChildren (); 2871 case clang::Type::Elaborated: return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumPointeeChildren (); 2872 case clang::Type::TypeOfExpr: return 0; 2873 case clang::Type::TypeOf: return 0; 2874 case clang::Type::Decltype: return 0; 2875 case clang::Type::Record: return 0; 2876 case clang::Type::Enum: return 1; 2877 case clang::Type::TemplateTypeParm: return 1; 2878 case clang::Type::SubstTemplateTypeParm: return 1; 2879 case clang::Type::TemplateSpecialization: return 1; 2880 case clang::Type::InjectedClassName: return 0; 2881 case clang::Type::DependentName: return 1; 2882 case clang::Type::DependentTemplateSpecialization: return 1; 2883 case clang::Type::ObjCObject: return 0; 2884 case clang::Type::ObjCInterface: return 0; 2885 case clang::Type::ObjCObjectPointer: return 1; 2886 default: 2887 break; 2888 } 2889 return 0; 2890 } 2891 2892 2893 ClangASTType 2894 ClangASTType::GetChildClangTypeAtIndex (ExecutionContext *exe_ctx, 2895 const char *parent_name, 2896 size_t idx, 2897 bool transparent_pointers, 2898 bool omit_empty_base_classes, 2899 bool ignore_array_bounds, 2900 std::string& child_name, 2901 uint32_t &child_byte_size, 2902 int32_t &child_byte_offset, 2903 uint32_t &child_bitfield_bit_size, 2904 uint32_t &child_bitfield_bit_offset, 2905 bool &child_is_base_class, 2906 bool &child_is_deref_of_parent) const 2907 { 2908 if (!IsValid()) 2909 return ClangASTType(); 2910 2911 QualType parent_qual_type(GetCanonicalQualType()); 2912 const clang::Type::TypeClass parent_type_class = parent_qual_type->getTypeClass(); 2913 child_bitfield_bit_size = 0; 2914 child_bitfield_bit_offset = 0; 2915 child_is_base_class = false; 2916 2917 const bool idx_is_valid = idx < GetNumChildren (omit_empty_base_classes); 2918 uint32_t bit_offset; 2919 switch (parent_type_class) 2920 { 2921 case clang::Type::Builtin: 2922 if (idx_is_valid) 2923 { 2924 switch (cast<clang::BuiltinType>(parent_qual_type)->getKind()) 2925 { 2926 case clang::BuiltinType::ObjCId: 2927 case clang::BuiltinType::ObjCClass: 2928 child_name = "isa"; 2929 child_byte_size = m_ast->getTypeSize(m_ast->ObjCBuiltinClassTy) / CHAR_BIT; 2930 return ClangASTType (m_ast, m_ast->ObjCBuiltinClassTy); 2931 2932 default: 2933 break; 2934 } 2935 } 2936 break; 2937 2938 case clang::Type::Record: 2939 if (idx_is_valid && GetCompleteType()) 2940 { 2941 const RecordType *record_type = cast<RecordType>(parent_qual_type.getTypePtr()); 2942 const RecordDecl *record_decl = record_type->getDecl(); 2943 assert(record_decl); 2944 const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); 2945 uint32_t child_idx = 0; 2946 2947 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 2948 if (cxx_record_decl) 2949 { 2950 // We might have base classes to print out first 2951 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 2952 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 2953 base_class != base_class_end; 2954 ++base_class) 2955 { 2956 const CXXRecordDecl *base_class_decl = NULL; 2957 2958 // Skip empty base classes 2959 if (omit_empty_base_classes) 2960 { 2961 base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 2962 if (ClangASTContext::RecordHasFields(base_class_decl) == false) 2963 continue; 2964 } 2965 2966 if (idx == child_idx) 2967 { 2968 if (base_class_decl == NULL) 2969 base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 2970 2971 2972 if (base_class->isVirtual()) 2973 bit_offset = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; 2974 else 2975 bit_offset = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; 2976 2977 // Base classes should be a multiple of 8 bits in size 2978 child_byte_offset = bit_offset/8; 2979 ClangASTType base_class_clang_type(m_ast, base_class->getType()); 2980 child_name = base_class_clang_type.GetTypeName(); 2981 uint64_t base_class_clang_type_bit_size = base_class_clang_type.GetBitSize(); 2982 2983 // Base classes bit sizes should be a multiple of 8 bits in size 2984 assert (base_class_clang_type_bit_size % 8 == 0); 2985 child_byte_size = base_class_clang_type_bit_size / 8; 2986 child_is_base_class = true; 2987 return base_class_clang_type; 2988 } 2989 // We don't increment the child index in the for loop since we might 2990 // be skipping empty base classes 2991 ++child_idx; 2992 } 2993 } 2994 // Make sure index is in range... 2995 uint32_t field_idx = 0; 2996 RecordDecl::field_iterator field, field_end; 2997 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx, ++child_idx) 2998 { 2999 if (idx == child_idx) 3000 { 3001 // Print the member type if requested 3002 // Print the member name and equal sign 3003 child_name.assign(field->getNameAsString().c_str()); 3004 3005 // Figure out the type byte size (field_type_info.first) and 3006 // alignment (field_type_info.second) from the AST context. 3007 ClangASTType field_clang_type (m_ast, field->getType()); 3008 assert(field_idx < record_layout.getFieldCount()); 3009 child_byte_size = field_clang_type.GetByteSize(); 3010 3011 // Figure out the field offset within the current struct/union/class type 3012 bit_offset = record_layout.getFieldOffset (field_idx); 3013 child_byte_offset = bit_offset / 8; 3014 if (ClangASTContext::FieldIsBitfield (m_ast, *field, child_bitfield_bit_size)) 3015 child_bitfield_bit_offset = bit_offset % 8; 3016 3017 return field_clang_type; 3018 } 3019 } 3020 } 3021 break; 3022 3023 case clang::Type::ObjCObject: 3024 case clang::Type::ObjCInterface: 3025 if (idx_is_valid && GetCompleteType()) 3026 { 3027 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(parent_qual_type.getTypePtr()); 3028 assert (objc_class_type); 3029 if (objc_class_type) 3030 { 3031 uint32_t child_idx = 0; 3032 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 3033 3034 if (class_interface_decl) 3035 { 3036 3037 const ASTRecordLayout &interface_layout = m_ast->getASTObjCInterfaceLayout(class_interface_decl); 3038 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 3039 if (superclass_interface_decl) 3040 { 3041 if (omit_empty_base_classes) 3042 { 3043 ClangASTType base_class_clang_type (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); 3044 if (base_class_clang_type.GetNumChildren(omit_empty_base_classes) > 0) 3045 { 3046 if (idx == 0) 3047 { 3048 QualType ivar_qual_type(m_ast->getObjCInterfaceType(superclass_interface_decl)); 3049 3050 3051 child_name.assign(superclass_interface_decl->getNameAsString().c_str()); 3052 3053 std::pair<uint64_t, unsigned> ivar_type_info = m_ast->getTypeInfo(ivar_qual_type.getTypePtr()); 3054 3055 child_byte_size = ivar_type_info.first / 8; 3056 child_byte_offset = 0; 3057 child_is_base_class = true; 3058 3059 return ClangASTType (m_ast, ivar_qual_type); 3060 } 3061 3062 ++child_idx; 3063 } 3064 } 3065 else 3066 ++child_idx; 3067 } 3068 3069 const uint32_t superclass_idx = child_idx; 3070 3071 if (idx < (child_idx + class_interface_decl->ivar_size())) 3072 { 3073 ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); 3074 3075 for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos) 3076 { 3077 if (child_idx == idx) 3078 { 3079 ObjCIvarDecl* ivar_decl = *ivar_pos; 3080 3081 QualType ivar_qual_type(ivar_decl->getType()); 3082 3083 child_name.assign(ivar_decl->getNameAsString().c_str()); 3084 3085 std::pair<uint64_t, unsigned> ivar_type_info = m_ast->getTypeInfo(ivar_qual_type.getTypePtr()); 3086 3087 child_byte_size = ivar_type_info.first / 8; 3088 3089 // Figure out the field offset within the current struct/union/class type 3090 // For ObjC objects, we can't trust the bit offset we get from the Clang AST, since 3091 // that doesn't account for the space taken up by unbacked properties, or from 3092 // the changing size of base classes that are newer than this class. 3093 // So if we have a process around that we can ask about this object, do so. 3094 child_byte_offset = LLDB_INVALID_IVAR_OFFSET; 3095 Process *process = NULL; 3096 if (exe_ctx) 3097 process = exe_ctx->GetProcessPtr(); 3098 if (process) 3099 { 3100 ObjCLanguageRuntime *objc_runtime = process->GetObjCLanguageRuntime(); 3101 if (objc_runtime != NULL) 3102 { 3103 ClangASTType parent_ast_type (m_ast, parent_qual_type); 3104 child_byte_offset = objc_runtime->GetByteOffsetForIvar (parent_ast_type, ivar_decl->getNameAsString().c_str()); 3105 } 3106 } 3107 3108 // Setting this to UINT32_MAX to make sure we don't compute it twice... 3109 bit_offset = UINT32_MAX; 3110 3111 if (child_byte_offset == LLDB_INVALID_IVAR_OFFSET) 3112 { 3113 bit_offset = interface_layout.getFieldOffset (child_idx - superclass_idx); 3114 child_byte_offset = bit_offset / 8; 3115 } 3116 3117 // Note, the ObjC Ivar Byte offset is just that, it doesn't account for the bit offset 3118 // of a bitfield within its containing object. So regardless of where we get the byte 3119 // offset from, we still need to get the bit offset for bitfields from the layout. 3120 3121 if (ClangASTContext::FieldIsBitfield (m_ast, ivar_decl, child_bitfield_bit_size)) 3122 { 3123 if (bit_offset == UINT32_MAX) 3124 bit_offset = interface_layout.getFieldOffset (child_idx - superclass_idx); 3125 3126 child_bitfield_bit_offset = bit_offset % 8; 3127 } 3128 return ClangASTType (m_ast, ivar_qual_type); 3129 } 3130 ++child_idx; 3131 } 3132 } 3133 } 3134 } 3135 } 3136 break; 3137 3138 case clang::Type::ObjCObjectPointer: 3139 if (idx_is_valid) 3140 { 3141 ClangASTType pointee_clang_type (GetPointeeType()); 3142 3143 if (transparent_pointers && pointee_clang_type.IsAggregateType()) 3144 { 3145 child_is_deref_of_parent = false; 3146 bool tmp_child_is_deref_of_parent = false; 3147 return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3148 parent_name, 3149 idx, 3150 transparent_pointers, 3151 omit_empty_base_classes, 3152 ignore_array_bounds, 3153 child_name, 3154 child_byte_size, 3155 child_byte_offset, 3156 child_bitfield_bit_size, 3157 child_bitfield_bit_offset, 3158 child_is_base_class, 3159 tmp_child_is_deref_of_parent); 3160 } 3161 else 3162 { 3163 child_is_deref_of_parent = true; 3164 if (parent_name) 3165 { 3166 child_name.assign(1, '*'); 3167 child_name += parent_name; 3168 } 3169 3170 // We have a pointer to an simple type 3171 if (idx == 0 && pointee_clang_type.GetCompleteType()) 3172 { 3173 child_byte_size = pointee_clang_type.GetByteSize(); 3174 child_byte_offset = 0; 3175 return pointee_clang_type; 3176 } 3177 } 3178 } 3179 break; 3180 3181 case clang::Type::Vector: 3182 case clang::Type::ExtVector: 3183 if (idx_is_valid) 3184 { 3185 const VectorType *array = cast<VectorType>(parent_qual_type.getTypePtr()); 3186 if (array) 3187 { 3188 ClangASTType element_type (m_ast, array->getElementType()); 3189 if (element_type.GetCompleteType()) 3190 { 3191 char element_name[64]; 3192 ::snprintf (element_name, sizeof (element_name), "[%zu]", idx); 3193 child_name.assign(element_name); 3194 child_byte_size = element_type.GetByteSize(); 3195 child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; 3196 return element_type; 3197 } 3198 } 3199 } 3200 break; 3201 3202 case clang::Type::ConstantArray: 3203 case clang::Type::IncompleteArray: 3204 if (ignore_array_bounds || idx_is_valid) 3205 { 3206 const ArrayType *array = cast<ArrayType>(parent_qual_type.getTypePtr()); 3207 if (array) 3208 { 3209 ClangASTType element_type (m_ast, array->getElementType()); 3210 if (element_type.GetCompleteType()) 3211 { 3212 char element_name[64]; 3213 ::snprintf (element_name, sizeof (element_name), "[%zu]", idx); 3214 child_name.assign(element_name); 3215 child_byte_size = element_type.GetByteSize(); 3216 child_byte_offset = (int32_t)idx * (int32_t)child_byte_size; 3217 return element_type; 3218 } 3219 } 3220 } 3221 break; 3222 3223 3224 case clang::Type::Pointer: 3225 if (idx_is_valid) 3226 { 3227 ClangASTType pointee_clang_type (GetPointeeType()); 3228 3229 // Don't dereference "void *" pointers 3230 if (pointee_clang_type.IsVoidType()) 3231 return ClangASTType(); 3232 3233 if (transparent_pointers && pointee_clang_type.IsAggregateType ()) 3234 { 3235 child_is_deref_of_parent = false; 3236 bool tmp_child_is_deref_of_parent = false; 3237 return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3238 parent_name, 3239 idx, 3240 transparent_pointers, 3241 omit_empty_base_classes, 3242 ignore_array_bounds, 3243 child_name, 3244 child_byte_size, 3245 child_byte_offset, 3246 child_bitfield_bit_size, 3247 child_bitfield_bit_offset, 3248 child_is_base_class, 3249 tmp_child_is_deref_of_parent); 3250 } 3251 else 3252 { 3253 child_is_deref_of_parent = true; 3254 3255 if (parent_name) 3256 { 3257 child_name.assign(1, '*'); 3258 child_name += parent_name; 3259 } 3260 3261 // We have a pointer to an simple type 3262 if (idx == 0) 3263 { 3264 child_byte_size = pointee_clang_type.GetByteSize(); 3265 child_byte_offset = 0; 3266 return pointee_clang_type; 3267 } 3268 } 3269 } 3270 break; 3271 3272 case clang::Type::LValueReference: 3273 case clang::Type::RValueReference: 3274 if (idx_is_valid) 3275 { 3276 const ReferenceType *reference_type = cast<ReferenceType>(parent_qual_type.getTypePtr()); 3277 ClangASTType pointee_clang_type (m_ast, reference_type->getPointeeType()); 3278 if (transparent_pointers && pointee_clang_type.IsAggregateType ()) 3279 { 3280 child_is_deref_of_parent = false; 3281 bool tmp_child_is_deref_of_parent = false; 3282 return pointee_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3283 parent_name, 3284 idx, 3285 transparent_pointers, 3286 omit_empty_base_classes, 3287 ignore_array_bounds, 3288 child_name, 3289 child_byte_size, 3290 child_byte_offset, 3291 child_bitfield_bit_size, 3292 child_bitfield_bit_offset, 3293 child_is_base_class, 3294 tmp_child_is_deref_of_parent); 3295 } 3296 else 3297 { 3298 if (parent_name) 3299 { 3300 child_name.assign(1, '&'); 3301 child_name += parent_name; 3302 } 3303 3304 // We have a pointer to an simple type 3305 if (idx == 0) 3306 { 3307 child_byte_size = pointee_clang_type.GetByteSize(); 3308 child_byte_offset = 0; 3309 return pointee_clang_type; 3310 } 3311 } 3312 } 3313 break; 3314 3315 case clang::Type::Typedef: 3316 { 3317 ClangASTType typedefed_clang_type (m_ast, cast<TypedefType>(parent_qual_type)->getDecl()->getUnderlyingType()); 3318 return typedefed_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3319 parent_name, 3320 idx, 3321 transparent_pointers, 3322 omit_empty_base_classes, 3323 ignore_array_bounds, 3324 child_name, 3325 child_byte_size, 3326 child_byte_offset, 3327 child_bitfield_bit_size, 3328 child_bitfield_bit_offset, 3329 child_is_base_class, 3330 child_is_deref_of_parent); 3331 } 3332 break; 3333 3334 case clang::Type::Elaborated: 3335 { 3336 ClangASTType elaborated_clang_type (m_ast, cast<ElaboratedType>(parent_qual_type)->getNamedType()); 3337 return elaborated_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3338 parent_name, 3339 idx, 3340 transparent_pointers, 3341 omit_empty_base_classes, 3342 ignore_array_bounds, 3343 child_name, 3344 child_byte_size, 3345 child_byte_offset, 3346 child_bitfield_bit_size, 3347 child_bitfield_bit_offset, 3348 child_is_base_class, 3349 child_is_deref_of_parent); 3350 } 3351 3352 case clang::Type::Paren: 3353 { 3354 ClangASTType paren_clang_type (m_ast, llvm::cast<clang::ParenType>(parent_qual_type)->desugar()); 3355 return paren_clang_type.GetChildClangTypeAtIndex (exe_ctx, 3356 parent_name, 3357 idx, 3358 transparent_pointers, 3359 omit_empty_base_classes, 3360 ignore_array_bounds, 3361 child_name, 3362 child_byte_size, 3363 child_byte_offset, 3364 child_bitfield_bit_size, 3365 child_bitfield_bit_offset, 3366 child_is_base_class, 3367 child_is_deref_of_parent); 3368 } 3369 3370 3371 default: 3372 break; 3373 } 3374 return ClangASTType(); 3375 } 3376 3377 static inline bool 3378 BaseSpecifierIsEmpty (const CXXBaseSpecifier *b) 3379 { 3380 return ClangASTContext::RecordHasFields(b->getType()->getAsCXXRecordDecl()) == false; 3381 } 3382 3383 static uint32_t 3384 GetIndexForRecordBase 3385 ( 3386 const RecordDecl *record_decl, 3387 const CXXBaseSpecifier *base_spec, 3388 bool omit_empty_base_classes 3389 ) 3390 { 3391 uint32_t child_idx = 0; 3392 3393 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 3394 3395 // const char *super_name = record_decl->getNameAsCString(); 3396 // const char *base_name = base_spec->getType()->getAs<RecordType>()->getDecl()->getNameAsCString(); 3397 // printf ("GetIndexForRecordChild (%s, %s)\n", super_name, base_name); 3398 // 3399 if (cxx_record_decl) 3400 { 3401 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 3402 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 3403 base_class != base_class_end; 3404 ++base_class) 3405 { 3406 if (omit_empty_base_classes) 3407 { 3408 if (BaseSpecifierIsEmpty (base_class)) 3409 continue; 3410 } 3411 3412 // printf ("GetIndexForRecordChild (%s, %s) base[%u] = %s\n", super_name, base_name, 3413 // child_idx, 3414 // base_class->getType()->getAs<RecordType>()->getDecl()->getNameAsCString()); 3415 // 3416 // 3417 if (base_class == base_spec) 3418 return child_idx; 3419 ++child_idx; 3420 } 3421 } 3422 3423 return UINT32_MAX; 3424 } 3425 3426 3427 static uint32_t 3428 GetIndexForRecordChild (const RecordDecl *record_decl, 3429 NamedDecl *canonical_decl, 3430 bool omit_empty_base_classes) 3431 { 3432 uint32_t child_idx = ClangASTContext::GetNumBaseClasses (dyn_cast<CXXRecordDecl>(record_decl), 3433 omit_empty_base_classes); 3434 3435 RecordDecl::field_iterator field, field_end; 3436 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); 3437 field != field_end; 3438 ++field, ++child_idx) 3439 { 3440 if (field->getCanonicalDecl() == canonical_decl) 3441 return child_idx; 3442 } 3443 3444 return UINT32_MAX; 3445 } 3446 3447 // Look for a child member (doesn't include base classes, but it does include 3448 // their members) in the type hierarchy. Returns an index path into "clang_type" 3449 // on how to reach the appropriate member. 3450 // 3451 // class A 3452 // { 3453 // public: 3454 // int m_a; 3455 // int m_b; 3456 // }; 3457 // 3458 // class B 3459 // { 3460 // }; 3461 // 3462 // class C : 3463 // public B, 3464 // public A 3465 // { 3466 // }; 3467 // 3468 // If we have a clang type that describes "class C", and we wanted to looked 3469 // "m_b" in it: 3470 // 3471 // With omit_empty_base_classes == false we would get an integer array back with: 3472 // { 1, 1 } 3473 // The first index 1 is the child index for "class A" within class C 3474 // The second index 1 is the child index for "m_b" within class A 3475 // 3476 // With omit_empty_base_classes == true we would get an integer array back with: 3477 // { 0, 1 } 3478 // The first index 0 is the child index for "class A" within class C (since class B doesn't have any members it doesn't count) 3479 // The second index 1 is the child index for "m_b" within class A 3480 3481 size_t 3482 ClangASTType::GetIndexOfChildMemberWithName (const char *name, 3483 bool omit_empty_base_classes, 3484 std::vector<uint32_t>& child_indexes) const 3485 { 3486 if (IsValid() && name && name[0]) 3487 { 3488 QualType qual_type(GetCanonicalQualType()); 3489 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 3490 switch (type_class) 3491 { 3492 case clang::Type::Record: 3493 if (GetCompleteType ()) 3494 { 3495 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 3496 const RecordDecl *record_decl = record_type->getDecl(); 3497 3498 assert(record_decl); 3499 uint32_t child_idx = 0; 3500 3501 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 3502 3503 // Try and find a field that matches NAME 3504 RecordDecl::field_iterator field, field_end; 3505 StringRef name_sref(name); 3506 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); 3507 field != field_end; 3508 ++field, ++child_idx) 3509 { 3510 if (field->getName().equals (name_sref)) 3511 { 3512 // We have to add on the number of base classes to this index! 3513 child_indexes.push_back (child_idx + ClangASTContext::GetNumBaseClasses (cxx_record_decl, omit_empty_base_classes)); 3514 return child_indexes.size(); 3515 } 3516 } 3517 3518 if (cxx_record_decl) 3519 { 3520 const RecordDecl *parent_record_decl = cxx_record_decl; 3521 3522 //printf ("parent = %s\n", parent_record_decl->getNameAsCString()); 3523 3524 //const Decl *root_cdecl = cxx_record_decl->getCanonicalDecl(); 3525 // Didn't find things easily, lets let clang do its thang... 3526 IdentifierInfo & ident_ref = m_ast->Idents.get(name_sref); 3527 DeclarationName decl_name(&ident_ref); 3528 3529 CXXBasePaths paths; 3530 if (cxx_record_decl->lookupInBases(CXXRecordDecl::FindOrdinaryMember, 3531 decl_name.getAsOpaquePtr(), 3532 paths)) 3533 { 3534 CXXBasePaths::const_paths_iterator path, path_end = paths.end(); 3535 for (path = paths.begin(); path != path_end; ++path) 3536 { 3537 const size_t num_path_elements = path->size(); 3538 for (size_t e=0; e<num_path_elements; ++e) 3539 { 3540 CXXBasePathElement elem = (*path)[e]; 3541 3542 child_idx = GetIndexForRecordBase (parent_record_decl, elem.Base, omit_empty_base_classes); 3543 if (child_idx == UINT32_MAX) 3544 { 3545 child_indexes.clear(); 3546 return 0; 3547 } 3548 else 3549 { 3550 child_indexes.push_back (child_idx); 3551 parent_record_decl = cast<RecordDecl>(elem.Base->getType()->getAs<RecordType>()->getDecl()); 3552 } 3553 } 3554 for (NamedDecl *path_decl : path->Decls) 3555 { 3556 child_idx = GetIndexForRecordChild (parent_record_decl, path_decl, omit_empty_base_classes); 3557 if (child_idx == UINT32_MAX) 3558 { 3559 child_indexes.clear(); 3560 return 0; 3561 } 3562 else 3563 { 3564 child_indexes.push_back (child_idx); 3565 } 3566 } 3567 } 3568 return child_indexes.size(); 3569 } 3570 } 3571 3572 } 3573 break; 3574 3575 case clang::Type::ObjCObject: 3576 case clang::Type::ObjCInterface: 3577 if (GetCompleteType ()) 3578 { 3579 StringRef name_sref(name); 3580 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 3581 assert (objc_class_type); 3582 if (objc_class_type) 3583 { 3584 uint32_t child_idx = 0; 3585 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 3586 3587 if (class_interface_decl) 3588 { 3589 ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); 3590 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 3591 3592 for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++child_idx) 3593 { 3594 const ObjCIvarDecl* ivar_decl = *ivar_pos; 3595 3596 if (ivar_decl->getName().equals (name_sref)) 3597 { 3598 if ((!omit_empty_base_classes && superclass_interface_decl) || 3599 ( omit_empty_base_classes && ObjCDeclHasIVars (superclass_interface_decl, true))) 3600 ++child_idx; 3601 3602 child_indexes.push_back (child_idx); 3603 return child_indexes.size(); 3604 } 3605 } 3606 3607 if (superclass_interface_decl) 3608 { 3609 // The super class index is always zero for ObjC classes, 3610 // so we push it onto the child indexes in case we find 3611 // an ivar in our superclass... 3612 child_indexes.push_back (0); 3613 3614 ClangASTType superclass_clang_type (m_ast, m_ast->getObjCInterfaceType(superclass_interface_decl)); 3615 if (superclass_clang_type.GetIndexOfChildMemberWithName (name, 3616 omit_empty_base_classes, 3617 child_indexes)) 3618 { 3619 // We did find an ivar in a superclass so just 3620 // return the results! 3621 return child_indexes.size(); 3622 } 3623 3624 // We didn't find an ivar matching "name" in our 3625 // superclass, pop the superclass zero index that 3626 // we pushed on above. 3627 child_indexes.pop_back(); 3628 } 3629 } 3630 } 3631 } 3632 break; 3633 3634 case clang::Type::ObjCObjectPointer: 3635 { 3636 ClangASTType objc_object_clang_type (m_ast, cast<ObjCObjectPointerType>(qual_type.getTypePtr())->getPointeeType()); 3637 return objc_object_clang_type.GetIndexOfChildMemberWithName (name, 3638 omit_empty_base_classes, 3639 child_indexes); 3640 } 3641 break; 3642 3643 3644 case clang::Type::ConstantArray: 3645 { 3646 // const ConstantArrayType *array = cast<ConstantArrayType>(parent_qual_type.getTypePtr()); 3647 // const uint64_t element_count = array->getSize().getLimitedValue(); 3648 // 3649 // if (idx < element_count) 3650 // { 3651 // std::pair<uint64_t, unsigned> field_type_info = ast->getTypeInfo(array->getElementType()); 3652 // 3653 // char element_name[32]; 3654 // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); 3655 // 3656 // child_name.assign(element_name); 3657 // assert(field_type_info.first % 8 == 0); 3658 // child_byte_size = field_type_info.first / 8; 3659 // child_byte_offset = idx * child_byte_size; 3660 // return array->getElementType().getAsOpaquePtr(); 3661 // } 3662 } 3663 break; 3664 3665 // case clang::Type::MemberPointerType: 3666 // { 3667 // MemberPointerType *mem_ptr_type = cast<MemberPointerType>(qual_type.getTypePtr()); 3668 // QualType pointee_type = mem_ptr_type->getPointeeType(); 3669 // 3670 // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) 3671 // { 3672 // return GetIndexOfChildWithName (ast, 3673 // mem_ptr_type->getPointeeType().getAsOpaquePtr(), 3674 // name); 3675 // } 3676 // } 3677 // break; 3678 // 3679 case clang::Type::LValueReference: 3680 case clang::Type::RValueReference: 3681 { 3682 const ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); 3683 QualType pointee_type(reference_type->getPointeeType()); 3684 ClangASTType pointee_clang_type (m_ast, pointee_type); 3685 3686 if (pointee_clang_type.IsAggregateType ()) 3687 { 3688 return pointee_clang_type.GetIndexOfChildMemberWithName (name, 3689 omit_empty_base_classes, 3690 child_indexes); 3691 } 3692 } 3693 break; 3694 3695 case clang::Type::Pointer: 3696 { 3697 ClangASTType pointee_clang_type (GetPointeeType()); 3698 3699 if (pointee_clang_type.IsAggregateType ()) 3700 { 3701 return pointee_clang_type.GetIndexOfChildMemberWithName (name, 3702 omit_empty_base_classes, 3703 child_indexes); 3704 } 3705 } 3706 break; 3707 3708 case clang::Type::Typedef: 3709 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetIndexOfChildMemberWithName (name, 3710 omit_empty_base_classes, 3711 child_indexes); 3712 3713 case clang::Type::Elaborated: 3714 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetIndexOfChildMemberWithName (name, 3715 omit_empty_base_classes, 3716 child_indexes); 3717 3718 case clang::Type::Paren: 3719 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetIndexOfChildMemberWithName (name, 3720 omit_empty_base_classes, 3721 child_indexes); 3722 3723 default: 3724 break; 3725 } 3726 } 3727 return 0; 3728 } 3729 3730 3731 // Get the index of the child of "clang_type" whose name matches. This function 3732 // doesn't descend into the children, but only looks one level deep and name 3733 // matches can include base class names. 3734 3735 uint32_t 3736 ClangASTType::GetIndexOfChildWithName (const char *name, bool omit_empty_base_classes) const 3737 { 3738 if (IsValid() && name && name[0]) 3739 { 3740 QualType qual_type(GetCanonicalQualType()); 3741 3742 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 3743 3744 switch (type_class) 3745 { 3746 case clang::Type::Record: 3747 if (GetCompleteType ()) 3748 { 3749 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 3750 const RecordDecl *record_decl = record_type->getDecl(); 3751 3752 assert(record_decl); 3753 uint32_t child_idx = 0; 3754 3755 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 3756 3757 if (cxx_record_decl) 3758 { 3759 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 3760 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 3761 base_class != base_class_end; 3762 ++base_class) 3763 { 3764 // Skip empty base classes 3765 CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 3766 if (omit_empty_base_classes && ClangASTContext::RecordHasFields(base_class_decl) == false) 3767 continue; 3768 3769 ClangASTType base_class_clang_type (m_ast, base_class->getType()); 3770 std::string base_class_type_name (base_class_clang_type.GetTypeName()); 3771 if (base_class_type_name.compare (name) == 0) 3772 return child_idx; 3773 ++child_idx; 3774 } 3775 } 3776 3777 // Try and find a field that matches NAME 3778 RecordDecl::field_iterator field, field_end; 3779 StringRef name_sref(name); 3780 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); 3781 field != field_end; 3782 ++field, ++child_idx) 3783 { 3784 if (field->getName().equals (name_sref)) 3785 return child_idx; 3786 } 3787 3788 } 3789 break; 3790 3791 case clang::Type::ObjCObject: 3792 case clang::Type::ObjCInterface: 3793 if (GetCompleteType()) 3794 { 3795 StringRef name_sref(name); 3796 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 3797 assert (objc_class_type); 3798 if (objc_class_type) 3799 { 3800 uint32_t child_idx = 0; 3801 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 3802 3803 if (class_interface_decl) 3804 { 3805 ObjCInterfaceDecl::ivar_iterator ivar_pos, ivar_end = class_interface_decl->ivar_end(); 3806 ObjCInterfaceDecl *superclass_interface_decl = class_interface_decl->getSuperClass(); 3807 3808 for (ivar_pos = class_interface_decl->ivar_begin(); ivar_pos != ivar_end; ++ivar_pos, ++child_idx) 3809 { 3810 const ObjCIvarDecl* ivar_decl = *ivar_pos; 3811 3812 if (ivar_decl->getName().equals (name_sref)) 3813 { 3814 if ((!omit_empty_base_classes && superclass_interface_decl) || 3815 ( omit_empty_base_classes && ObjCDeclHasIVars (superclass_interface_decl, true))) 3816 ++child_idx; 3817 3818 return child_idx; 3819 } 3820 } 3821 3822 if (superclass_interface_decl) 3823 { 3824 if (superclass_interface_decl->getName().equals (name_sref)) 3825 return 0; 3826 } 3827 } 3828 } 3829 } 3830 break; 3831 3832 case clang::Type::ObjCObjectPointer: 3833 { 3834 ClangASTType pointee_clang_type (m_ast, cast<ObjCObjectPointerType>(qual_type.getTypePtr())->getPointeeType()); 3835 return pointee_clang_type.GetIndexOfChildWithName (name, omit_empty_base_classes); 3836 } 3837 break; 3838 3839 case clang::Type::ConstantArray: 3840 { 3841 // const ConstantArrayType *array = cast<ConstantArrayType>(parent_qual_type.getTypePtr()); 3842 // const uint64_t element_count = array->getSize().getLimitedValue(); 3843 // 3844 // if (idx < element_count) 3845 // { 3846 // std::pair<uint64_t, unsigned> field_type_info = ast->getTypeInfo(array->getElementType()); 3847 // 3848 // char element_name[32]; 3849 // ::snprintf (element_name, sizeof (element_name), "%s[%u]", parent_name ? parent_name : "", idx); 3850 // 3851 // child_name.assign(element_name); 3852 // assert(field_type_info.first % 8 == 0); 3853 // child_byte_size = field_type_info.first / 8; 3854 // child_byte_offset = idx * child_byte_size; 3855 // return array->getElementType().getAsOpaquePtr(); 3856 // } 3857 } 3858 break; 3859 3860 // case clang::Type::MemberPointerType: 3861 // { 3862 // MemberPointerType *mem_ptr_type = cast<MemberPointerType>(qual_type.getTypePtr()); 3863 // QualType pointee_type = mem_ptr_type->getPointeeType(); 3864 // 3865 // if (ClangASTContext::IsAggregateType (pointee_type.getAsOpaquePtr())) 3866 // { 3867 // return GetIndexOfChildWithName (ast, 3868 // mem_ptr_type->getPointeeType().getAsOpaquePtr(), 3869 // name); 3870 // } 3871 // } 3872 // break; 3873 // 3874 case clang::Type::LValueReference: 3875 case clang::Type::RValueReference: 3876 { 3877 const ReferenceType *reference_type = cast<ReferenceType>(qual_type.getTypePtr()); 3878 ClangASTType pointee_type (m_ast, reference_type->getPointeeType()); 3879 3880 if (pointee_type.IsAggregateType ()) 3881 { 3882 return pointee_type.GetIndexOfChildWithName (name, omit_empty_base_classes); 3883 } 3884 } 3885 break; 3886 3887 case clang::Type::Pointer: 3888 { 3889 const PointerType *pointer_type = cast<PointerType>(qual_type.getTypePtr()); 3890 ClangASTType pointee_type (m_ast, pointer_type->getPointeeType()); 3891 3892 if (pointee_type.IsAggregateType ()) 3893 { 3894 return pointee_type.GetIndexOfChildWithName (name, omit_empty_base_classes); 3895 } 3896 else 3897 { 3898 // if (parent_name) 3899 // { 3900 // child_name.assign(1, '*'); 3901 // child_name += parent_name; 3902 // } 3903 // 3904 // // We have a pointer to an simple type 3905 // if (idx == 0) 3906 // { 3907 // std::pair<uint64_t, unsigned> clang_type_info = ast->getTypeInfo(pointee_type); 3908 // assert(clang_type_info.first % 8 == 0); 3909 // child_byte_size = clang_type_info.first / 8; 3910 // child_byte_offset = 0; 3911 // return pointee_type.getAsOpaquePtr(); 3912 // } 3913 } 3914 } 3915 break; 3916 3917 case clang::Type::Elaborated: 3918 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetIndexOfChildWithName (name, omit_empty_base_classes); 3919 3920 case clang::Type::Paren: 3921 return ClangASTType (m_ast, cast<clang::ParenType>(qual_type)->desugar()).GetIndexOfChildWithName (name, omit_empty_base_classes); 3922 3923 case clang::Type::Typedef: 3924 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetIndexOfChildWithName (name, omit_empty_base_classes); 3925 3926 default: 3927 break; 3928 } 3929 } 3930 return UINT32_MAX; 3931 } 3932 3933 3934 size_t 3935 ClangASTType::GetNumTemplateArguments () const 3936 { 3937 if (IsValid()) 3938 { 3939 QualType qual_type (GetCanonicalQualType()); 3940 3941 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 3942 switch (type_class) 3943 { 3944 case clang::Type::Record: 3945 if (GetCompleteType ()) 3946 { 3947 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 3948 if (cxx_record_decl) 3949 { 3950 const ClassTemplateSpecializationDecl *template_decl = dyn_cast<ClassTemplateSpecializationDecl>(cxx_record_decl); 3951 if (template_decl) 3952 return template_decl->getTemplateArgs().size(); 3953 } 3954 } 3955 break; 3956 3957 case clang::Type::Typedef: 3958 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetNumTemplateArguments(); 3959 3960 case clang::Type::Elaborated: 3961 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetNumTemplateArguments(); 3962 3963 case clang::Type::Paren: 3964 return ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).GetNumTemplateArguments(); 3965 3966 default: 3967 break; 3968 } 3969 } 3970 return 0; 3971 } 3972 3973 ClangASTType 3974 ClangASTType::GetTemplateArgument (size_t arg_idx, lldb::TemplateArgumentKind &kind) const 3975 { 3976 if (IsValid()) 3977 { 3978 QualType qual_type (GetCanonicalQualType()); 3979 3980 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 3981 switch (type_class) 3982 { 3983 case clang::Type::Record: 3984 if (GetCompleteType ()) 3985 { 3986 const CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 3987 if (cxx_record_decl) 3988 { 3989 const ClassTemplateSpecializationDecl *template_decl = dyn_cast<ClassTemplateSpecializationDecl>(cxx_record_decl); 3990 if (template_decl && arg_idx < template_decl->getTemplateArgs().size()) 3991 { 3992 const TemplateArgument &template_arg = template_decl->getTemplateArgs()[arg_idx]; 3993 switch (template_arg.getKind()) 3994 { 3995 case clang::TemplateArgument::Null: 3996 kind = eTemplateArgumentKindNull; 3997 return ClangASTType(); 3998 3999 case clang::TemplateArgument::Type: 4000 kind = eTemplateArgumentKindType; 4001 return ClangASTType(m_ast, template_arg.getAsType()); 4002 4003 case clang::TemplateArgument::Declaration: 4004 kind = eTemplateArgumentKindDeclaration; 4005 return ClangASTType(); 4006 4007 case clang::TemplateArgument::Integral: 4008 kind = eTemplateArgumentKindIntegral; 4009 return ClangASTType(m_ast, template_arg.getIntegralType()); 4010 4011 case clang::TemplateArgument::Template: 4012 kind = eTemplateArgumentKindTemplate; 4013 return ClangASTType(); 4014 4015 case clang::TemplateArgument::TemplateExpansion: 4016 kind = eTemplateArgumentKindTemplateExpansion; 4017 return ClangASTType(); 4018 4019 case clang::TemplateArgument::Expression: 4020 kind = eTemplateArgumentKindExpression; 4021 return ClangASTType(); 4022 4023 case clang::TemplateArgument::Pack: 4024 kind = eTemplateArgumentKindPack; 4025 return ClangASTType(); 4026 4027 default: 4028 assert (!"Unhandled TemplateArgument::ArgKind"); 4029 break; 4030 } 4031 } 4032 } 4033 } 4034 break; 4035 4036 case clang::Type::Typedef: 4037 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetTemplateArgument (arg_idx, kind); 4038 4039 case clang::Type::Elaborated: 4040 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetTemplateArgument (arg_idx, kind); 4041 4042 case clang::Type::Paren: 4043 return ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).GetTemplateArgument (arg_idx, kind); 4044 4045 default: 4046 break; 4047 } 4048 } 4049 kind = eTemplateArgumentKindNull; 4050 return ClangASTType (); 4051 } 4052 4053 static bool 4054 IsOperator (const char *name, OverloadedOperatorKind &op_kind) 4055 { 4056 if (name == NULL || name[0] == '\0') 4057 return false; 4058 4059 #define OPERATOR_PREFIX "operator" 4060 #define OPERATOR_PREFIX_LENGTH (sizeof (OPERATOR_PREFIX) - 1) 4061 4062 const char *post_op_name = NULL; 4063 4064 bool no_space = true; 4065 4066 if (::strncmp(name, OPERATOR_PREFIX, OPERATOR_PREFIX_LENGTH)) 4067 return false; 4068 4069 post_op_name = name + OPERATOR_PREFIX_LENGTH; 4070 4071 if (post_op_name[0] == ' ') 4072 { 4073 post_op_name++; 4074 no_space = false; 4075 } 4076 4077 #undef OPERATOR_PREFIX 4078 #undef OPERATOR_PREFIX_LENGTH 4079 4080 // This is an operator, set the overloaded operator kind to invalid 4081 // in case this is a conversion operator... 4082 op_kind = NUM_OVERLOADED_OPERATORS; 4083 4084 switch (post_op_name[0]) 4085 { 4086 default: 4087 if (no_space) 4088 return false; 4089 break; 4090 case 'n': 4091 if (no_space) 4092 return false; 4093 if (strcmp (post_op_name, "new") == 0) 4094 op_kind = OO_New; 4095 else if (strcmp (post_op_name, "new[]") == 0) 4096 op_kind = OO_Array_New; 4097 break; 4098 4099 case 'd': 4100 if (no_space) 4101 return false; 4102 if (strcmp (post_op_name, "delete") == 0) 4103 op_kind = OO_Delete; 4104 else if (strcmp (post_op_name, "delete[]") == 0) 4105 op_kind = OO_Array_Delete; 4106 break; 4107 4108 case '+': 4109 if (post_op_name[1] == '\0') 4110 op_kind = OO_Plus; 4111 else if (post_op_name[2] == '\0') 4112 { 4113 if (post_op_name[1] == '=') 4114 op_kind = OO_PlusEqual; 4115 else if (post_op_name[1] == '+') 4116 op_kind = OO_PlusPlus; 4117 } 4118 break; 4119 4120 case '-': 4121 if (post_op_name[1] == '\0') 4122 op_kind = OO_Minus; 4123 else if (post_op_name[2] == '\0') 4124 { 4125 switch (post_op_name[1]) 4126 { 4127 case '=': op_kind = OO_MinusEqual; break; 4128 case '-': op_kind = OO_MinusMinus; break; 4129 case '>': op_kind = OO_Arrow; break; 4130 } 4131 } 4132 else if (post_op_name[3] == '\0') 4133 { 4134 if (post_op_name[2] == '*') 4135 op_kind = OO_ArrowStar; break; 4136 } 4137 break; 4138 4139 case '*': 4140 if (post_op_name[1] == '\0') 4141 op_kind = OO_Star; 4142 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4143 op_kind = OO_StarEqual; 4144 break; 4145 4146 case '/': 4147 if (post_op_name[1] == '\0') 4148 op_kind = OO_Slash; 4149 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4150 op_kind = OO_SlashEqual; 4151 break; 4152 4153 case '%': 4154 if (post_op_name[1] == '\0') 4155 op_kind = OO_Percent; 4156 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4157 op_kind = OO_PercentEqual; 4158 break; 4159 4160 4161 case '^': 4162 if (post_op_name[1] == '\0') 4163 op_kind = OO_Caret; 4164 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4165 op_kind = OO_CaretEqual; 4166 break; 4167 4168 case '&': 4169 if (post_op_name[1] == '\0') 4170 op_kind = OO_Amp; 4171 else if (post_op_name[2] == '\0') 4172 { 4173 switch (post_op_name[1]) 4174 { 4175 case '=': op_kind = OO_AmpEqual; break; 4176 case '&': op_kind = OO_AmpAmp; break; 4177 } 4178 } 4179 break; 4180 4181 case '|': 4182 if (post_op_name[1] == '\0') 4183 op_kind = OO_Pipe; 4184 else if (post_op_name[2] == '\0') 4185 { 4186 switch (post_op_name[1]) 4187 { 4188 case '=': op_kind = OO_PipeEqual; break; 4189 case '|': op_kind = OO_PipePipe; break; 4190 } 4191 } 4192 break; 4193 4194 case '~': 4195 if (post_op_name[1] == '\0') 4196 op_kind = OO_Tilde; 4197 break; 4198 4199 case '!': 4200 if (post_op_name[1] == '\0') 4201 op_kind = OO_Exclaim; 4202 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4203 op_kind = OO_ExclaimEqual; 4204 break; 4205 4206 case '=': 4207 if (post_op_name[1] == '\0') 4208 op_kind = OO_Equal; 4209 else if (post_op_name[1] == '=' && post_op_name[2] == '\0') 4210 op_kind = OO_EqualEqual; 4211 break; 4212 4213 case '<': 4214 if (post_op_name[1] == '\0') 4215 op_kind = OO_Less; 4216 else if (post_op_name[2] == '\0') 4217 { 4218 switch (post_op_name[1]) 4219 { 4220 case '<': op_kind = OO_LessLess; break; 4221 case '=': op_kind = OO_LessEqual; break; 4222 } 4223 } 4224 else if (post_op_name[3] == '\0') 4225 { 4226 if (post_op_name[2] == '=') 4227 op_kind = OO_LessLessEqual; 4228 } 4229 break; 4230 4231 case '>': 4232 if (post_op_name[1] == '\0') 4233 op_kind = OO_Greater; 4234 else if (post_op_name[2] == '\0') 4235 { 4236 switch (post_op_name[1]) 4237 { 4238 case '>': op_kind = OO_GreaterGreater; break; 4239 case '=': op_kind = OO_GreaterEqual; break; 4240 } 4241 } 4242 else if (post_op_name[1] == '>' && 4243 post_op_name[2] == '=' && 4244 post_op_name[3] == '\0') 4245 { 4246 op_kind = OO_GreaterGreaterEqual; 4247 } 4248 break; 4249 4250 case ',': 4251 if (post_op_name[1] == '\0') 4252 op_kind = OO_Comma; 4253 break; 4254 4255 case '(': 4256 if (post_op_name[1] == ')' && post_op_name[2] == '\0') 4257 op_kind = OO_Call; 4258 break; 4259 4260 case '[': 4261 if (post_op_name[1] == ']' && post_op_name[2] == '\0') 4262 op_kind = OO_Subscript; 4263 break; 4264 } 4265 4266 return true; 4267 } 4268 4269 static inline bool 4270 check_op_param (uint32_t op_kind, bool unary, bool binary, uint32_t num_params) 4271 { 4272 // Special-case call since it can take any number of operands 4273 if(op_kind == OO_Call) 4274 return true; 4275 4276 // The parameter count doens't include "this" 4277 if (num_params == 0) 4278 return unary; 4279 if (num_params == 1) 4280 return binary; 4281 else 4282 return false; 4283 } 4284 4285 clang::RecordDecl * 4286 ClangASTType::GetAsRecordDecl () const 4287 { 4288 const RecordType *record_type = dyn_cast<RecordType>(GetCanonicalQualType()); 4289 if (record_type) 4290 return record_type->getDecl(); 4291 return NULL; 4292 } 4293 4294 clang::CXXRecordDecl * 4295 ClangASTType::GetAsCXXRecordDecl () const 4296 { 4297 return GetCanonicalQualType()->getAsCXXRecordDecl(); 4298 } 4299 4300 ObjCInterfaceDecl * 4301 ClangASTType::GetAsObjCInterfaceDecl () const 4302 { 4303 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(GetCanonicalQualType()); 4304 if (objc_class_type) 4305 return objc_class_type->getInterface(); 4306 return NULL; 4307 } 4308 4309 clang::FieldDecl * 4310 ClangASTType::AddFieldToRecordType (const char *name, 4311 const ClangASTType &field_clang_type, 4312 AccessType access, 4313 uint32_t bitfield_bit_size) 4314 { 4315 if (!IsValid() || !field_clang_type.IsValid()) 4316 return NULL; 4317 4318 FieldDecl *field = NULL; 4319 4320 clang::Expr *bit_width = NULL; 4321 if (bitfield_bit_size != 0) 4322 { 4323 APInt bitfield_bit_size_apint(m_ast->getTypeSize(m_ast->IntTy), bitfield_bit_size); 4324 bit_width = new (*m_ast)IntegerLiteral (*m_ast, bitfield_bit_size_apint, m_ast->IntTy, SourceLocation()); 4325 } 4326 4327 RecordDecl *record_decl = GetAsRecordDecl (); 4328 if (record_decl) 4329 { 4330 field = FieldDecl::Create (*m_ast, 4331 record_decl, 4332 SourceLocation(), 4333 SourceLocation(), 4334 name ? &m_ast->Idents.get(name) : NULL, // Identifier 4335 field_clang_type.GetQualType(), // Field type 4336 NULL, // TInfo * 4337 bit_width, // BitWidth 4338 false, // Mutable 4339 ICIS_NoInit); // HasInit 4340 4341 if (!name) 4342 { 4343 // Determine whether this field corresponds to an anonymous 4344 // struct or union. 4345 if (const TagType *TagT = field->getType()->getAs<TagType>()) { 4346 if (RecordDecl *Rec = dyn_cast<RecordDecl>(TagT->getDecl())) 4347 if (!Rec->getDeclName()) { 4348 Rec->setAnonymousStructOrUnion(true); 4349 field->setImplicit(); 4350 4351 } 4352 } 4353 } 4354 4355 if (field) 4356 { 4357 field->setAccess (ClangASTContext::ConvertAccessTypeToAccessSpecifier (access)); 4358 4359 record_decl->addDecl(field); 4360 4361 #ifdef LLDB_CONFIGURATION_DEBUG 4362 VerifyDecl(field); 4363 #endif 4364 } 4365 } 4366 else 4367 { 4368 ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); 4369 4370 if (class_interface_decl) 4371 { 4372 const bool is_synthesized = false; 4373 4374 field_clang_type.GetCompleteType(); 4375 4376 field = ObjCIvarDecl::Create (*m_ast, 4377 class_interface_decl, 4378 SourceLocation(), 4379 SourceLocation(), 4380 name ? &m_ast->Idents.get(name) : NULL, // Identifier 4381 field_clang_type.GetQualType(), // Field type 4382 NULL, // TypeSourceInfo * 4383 ConvertAccessTypeToObjCIvarAccessControl (access), 4384 bit_width, 4385 is_synthesized); 4386 4387 if (field) 4388 { 4389 class_interface_decl->addDecl(field); 4390 4391 #ifdef LLDB_CONFIGURATION_DEBUG 4392 VerifyDecl(field); 4393 #endif 4394 } 4395 } 4396 } 4397 return field; 4398 } 4399 4400 void 4401 ClangASTType::BuildIndirectFields () 4402 { 4403 RecordDecl *record_decl = GetAsRecordDecl(); 4404 4405 if (!record_decl) 4406 return; 4407 4408 typedef llvm::SmallVector <IndirectFieldDecl *, 1> IndirectFieldVector; 4409 4410 IndirectFieldVector indirect_fields; 4411 RecordDecl::field_iterator field_pos; 4412 RecordDecl::field_iterator field_end_pos = record_decl->field_end(); 4413 RecordDecl::field_iterator last_field_pos = field_end_pos; 4414 for (field_pos = record_decl->field_begin(); field_pos != field_end_pos; last_field_pos = field_pos++) 4415 { 4416 if (field_pos->isAnonymousStructOrUnion()) 4417 { 4418 QualType field_qual_type = field_pos->getType(); 4419 4420 const RecordType *field_record_type = field_qual_type->getAs<RecordType>(); 4421 4422 if (!field_record_type) 4423 continue; 4424 4425 RecordDecl *field_record_decl = field_record_type->getDecl(); 4426 4427 if (!field_record_decl) 4428 continue; 4429 4430 for (RecordDecl::decl_iterator di = field_record_decl->decls_begin(), de = field_record_decl->decls_end(); 4431 di != de; 4432 ++di) 4433 { 4434 if (FieldDecl *nested_field_decl = dyn_cast<FieldDecl>(*di)) 4435 { 4436 NamedDecl **chain = new (*m_ast) NamedDecl*[2]; 4437 chain[0] = *field_pos; 4438 chain[1] = nested_field_decl; 4439 IndirectFieldDecl *indirect_field = IndirectFieldDecl::Create(*m_ast, 4440 record_decl, 4441 SourceLocation(), 4442 nested_field_decl->getIdentifier(), 4443 nested_field_decl->getType(), 4444 chain, 4445 2); 4446 4447 indirect_field->setAccess(ClangASTContext::UnifyAccessSpecifiers(field_pos->getAccess(), 4448 nested_field_decl->getAccess())); 4449 4450 indirect_fields.push_back(indirect_field); 4451 } 4452 else if (IndirectFieldDecl *nested_indirect_field_decl = dyn_cast<IndirectFieldDecl>(*di)) 4453 { 4454 int nested_chain_size = nested_indirect_field_decl->getChainingSize(); 4455 NamedDecl **chain = new (*m_ast) NamedDecl*[nested_chain_size + 1]; 4456 chain[0] = *field_pos; 4457 4458 int chain_index = 1; 4459 for (IndirectFieldDecl::chain_iterator nci = nested_indirect_field_decl->chain_begin(), 4460 nce = nested_indirect_field_decl->chain_end(); 4461 nci < nce; 4462 ++nci) 4463 { 4464 chain[chain_index] = *nci; 4465 chain_index++; 4466 } 4467 4468 IndirectFieldDecl *indirect_field = IndirectFieldDecl::Create(*m_ast, 4469 record_decl, 4470 SourceLocation(), 4471 nested_indirect_field_decl->getIdentifier(), 4472 nested_indirect_field_decl->getType(), 4473 chain, 4474 nested_chain_size + 1); 4475 4476 indirect_field->setAccess(ClangASTContext::UnifyAccessSpecifiers(field_pos->getAccess(), 4477 nested_indirect_field_decl->getAccess())); 4478 4479 indirect_fields.push_back(indirect_field); 4480 } 4481 } 4482 } 4483 } 4484 4485 // Check the last field to see if it has an incomplete array type as its 4486 // last member and if it does, the tell the record decl about it 4487 if (last_field_pos != field_end_pos) 4488 { 4489 if (last_field_pos->getType()->isIncompleteArrayType()) 4490 record_decl->hasFlexibleArrayMember(); 4491 } 4492 4493 for (IndirectFieldVector::iterator ifi = indirect_fields.begin(), ife = indirect_fields.end(); 4494 ifi < ife; 4495 ++ifi) 4496 { 4497 record_decl->addDecl(*ifi); 4498 } 4499 } 4500 4501 clang::VarDecl * 4502 ClangASTType::AddVariableToRecordType (const char *name, 4503 const ClangASTType &var_type, 4504 AccessType access) 4505 { 4506 clang::VarDecl *var_decl = NULL; 4507 4508 if (!IsValid() || !var_type.IsValid()) 4509 return NULL; 4510 4511 RecordDecl *record_decl = GetAsRecordDecl (); 4512 if (record_decl) 4513 { 4514 var_decl = VarDecl::Create (*m_ast, // ASTContext & 4515 record_decl, // DeclContext * 4516 SourceLocation(), // SourceLocation StartLoc 4517 SourceLocation(), // SourceLocation IdLoc 4518 name ? &m_ast->Idents.get(name) : NULL, // IdentifierInfo * 4519 var_type.GetQualType(), // Variable QualType 4520 NULL, // TypeSourceInfo * 4521 SC_Static); // StorageClass 4522 if (var_decl) 4523 { 4524 var_decl->setAccess(ClangASTContext::ConvertAccessTypeToAccessSpecifier (access)); 4525 record_decl->addDecl(var_decl); 4526 4527 #ifdef LLDB_CONFIGURATION_DEBUG 4528 VerifyDecl(var_decl); 4529 #endif 4530 } 4531 } 4532 return var_decl; 4533 } 4534 4535 4536 CXXMethodDecl * 4537 ClangASTType::AddMethodToCXXRecordType (const char *name, 4538 const ClangASTType &method_clang_type, 4539 lldb::AccessType access, 4540 bool is_virtual, 4541 bool is_static, 4542 bool is_inline, 4543 bool is_explicit, 4544 bool is_attr_used, 4545 bool is_artificial) 4546 { 4547 if (!IsValid() || !method_clang_type.IsValid() || name == NULL || name[0] == '\0') 4548 return NULL; 4549 4550 QualType record_qual_type(GetCanonicalQualType()); 4551 4552 CXXRecordDecl *cxx_record_decl = record_qual_type->getAsCXXRecordDecl(); 4553 4554 if (cxx_record_decl == NULL) 4555 return NULL; 4556 4557 QualType method_qual_type (method_clang_type.GetQualType()); 4558 4559 CXXMethodDecl *cxx_method_decl = NULL; 4560 4561 DeclarationName decl_name (&m_ast->Idents.get(name)); 4562 4563 const clang::FunctionType *function_type = dyn_cast<FunctionType>(method_qual_type.getTypePtr()); 4564 4565 if (function_type == NULL) 4566 return NULL; 4567 4568 const FunctionProtoType *method_function_prototype (dyn_cast<FunctionProtoType>(function_type)); 4569 4570 if (!method_function_prototype) 4571 return NULL; 4572 4573 unsigned int num_params = method_function_prototype->getNumArgs(); 4574 4575 CXXDestructorDecl *cxx_dtor_decl(NULL); 4576 CXXConstructorDecl *cxx_ctor_decl(NULL); 4577 4578 if (is_artificial) 4579 return NULL; // skip everything artificial 4580 4581 if (name[0] == '~') 4582 { 4583 cxx_dtor_decl = CXXDestructorDecl::Create (*m_ast, 4584 cxx_record_decl, 4585 SourceLocation(), 4586 DeclarationNameInfo (m_ast->DeclarationNames.getCXXDestructorName (m_ast->getCanonicalType (record_qual_type)), SourceLocation()), 4587 method_qual_type, 4588 NULL, 4589 is_inline, 4590 is_artificial); 4591 cxx_method_decl = cxx_dtor_decl; 4592 } 4593 else if (decl_name == cxx_record_decl->getDeclName()) 4594 { 4595 cxx_ctor_decl = CXXConstructorDecl::Create (*m_ast, 4596 cxx_record_decl, 4597 SourceLocation(), 4598 DeclarationNameInfo (m_ast->DeclarationNames.getCXXConstructorName (m_ast->getCanonicalType (record_qual_type)), SourceLocation()), 4599 method_qual_type, 4600 NULL, // TypeSourceInfo * 4601 is_explicit, 4602 is_inline, 4603 is_artificial, 4604 false /*is_constexpr*/); 4605 cxx_method_decl = cxx_ctor_decl; 4606 } 4607 else 4608 { 4609 clang::StorageClass SC = is_static ? SC_Static : SC_None; 4610 OverloadedOperatorKind op_kind = NUM_OVERLOADED_OPERATORS; 4611 4612 if (IsOperator (name, op_kind)) 4613 { 4614 if (op_kind != NUM_OVERLOADED_OPERATORS) 4615 { 4616 // Check the number of operator parameters. Sometimes we have 4617 // seen bad DWARF that doesn't correctly describe operators and 4618 // if we try to create a methed and add it to the class, clang 4619 // will assert and crash, so we need to make sure things are 4620 // acceptable. 4621 if (!ClangASTContext::CheckOverloadedOperatorKindParameterCount (op_kind, num_params)) 4622 return NULL; 4623 cxx_method_decl = CXXMethodDecl::Create (*m_ast, 4624 cxx_record_decl, 4625 SourceLocation(), 4626 DeclarationNameInfo (m_ast->DeclarationNames.getCXXOperatorName (op_kind), SourceLocation()), 4627 method_qual_type, 4628 NULL, // TypeSourceInfo * 4629 SC, 4630 is_inline, 4631 false /*is_constexpr*/, 4632 SourceLocation()); 4633 } 4634 else if (num_params == 0) 4635 { 4636 // Conversion operators don't take params... 4637 cxx_method_decl = CXXConversionDecl::Create (*m_ast, 4638 cxx_record_decl, 4639 SourceLocation(), 4640 DeclarationNameInfo (m_ast->DeclarationNames.getCXXConversionFunctionName (m_ast->getCanonicalType (function_type->getResultType())), SourceLocation()), 4641 method_qual_type, 4642 NULL, // TypeSourceInfo * 4643 is_inline, 4644 is_explicit, 4645 false /*is_constexpr*/, 4646 SourceLocation()); 4647 } 4648 } 4649 4650 if (cxx_method_decl == NULL) 4651 { 4652 cxx_method_decl = CXXMethodDecl::Create (*m_ast, 4653 cxx_record_decl, 4654 SourceLocation(), 4655 DeclarationNameInfo (decl_name, SourceLocation()), 4656 method_qual_type, 4657 NULL, // TypeSourceInfo * 4658 SC, 4659 is_inline, 4660 false /*is_constexpr*/, 4661 SourceLocation()); 4662 } 4663 } 4664 4665 AccessSpecifier access_specifier = ClangASTContext::ConvertAccessTypeToAccessSpecifier (access); 4666 4667 cxx_method_decl->setAccess (access_specifier); 4668 cxx_method_decl->setVirtualAsWritten (is_virtual); 4669 4670 if (is_attr_used) 4671 cxx_method_decl->addAttr(::new (*m_ast) UsedAttr(SourceRange(), *m_ast)); 4672 4673 // Populate the method decl with parameter decls 4674 4675 llvm::SmallVector<ParmVarDecl *, 12> params; 4676 4677 for (unsigned param_index = 0; 4678 param_index < num_params; 4679 ++param_index) 4680 { 4681 params.push_back (ParmVarDecl::Create (*m_ast, 4682 cxx_method_decl, 4683 SourceLocation(), 4684 SourceLocation(), 4685 NULL, // anonymous 4686 method_function_prototype->getArgType(param_index), 4687 NULL, 4688 SC_None, 4689 NULL)); 4690 } 4691 4692 cxx_method_decl->setParams (ArrayRef<ParmVarDecl*>(params)); 4693 4694 cxx_record_decl->addDecl (cxx_method_decl); 4695 4696 // Sometimes the debug info will mention a constructor (default/copy/move), 4697 // destructor, or assignment operator (copy/move) but there won't be any 4698 // version of this in the code. So we check if the function was artificially 4699 // generated and if it is trivial and this lets the compiler/backend know 4700 // that it can inline the IR for these when it needs to and we can avoid a 4701 // "missing function" error when running expressions. 4702 4703 if (is_artificial) 4704 { 4705 if (cxx_ctor_decl && 4706 ((cxx_ctor_decl->isDefaultConstructor() && cxx_record_decl->hasTrivialDefaultConstructor ()) || 4707 (cxx_ctor_decl->isCopyConstructor() && cxx_record_decl->hasTrivialCopyConstructor ()) || 4708 (cxx_ctor_decl->isMoveConstructor() && cxx_record_decl->hasTrivialMoveConstructor ()) )) 4709 { 4710 cxx_ctor_decl->setDefaulted(); 4711 cxx_ctor_decl->setTrivial(true); 4712 } 4713 else if (cxx_dtor_decl) 4714 { 4715 if (cxx_record_decl->hasTrivialDestructor()) 4716 { 4717 cxx_dtor_decl->setDefaulted(); 4718 cxx_dtor_decl->setTrivial(true); 4719 } 4720 } 4721 else if ((cxx_method_decl->isCopyAssignmentOperator() && cxx_record_decl->hasTrivialCopyAssignment()) || 4722 (cxx_method_decl->isMoveAssignmentOperator() && cxx_record_decl->hasTrivialMoveAssignment())) 4723 { 4724 cxx_method_decl->setDefaulted(); 4725 cxx_method_decl->setTrivial(true); 4726 } 4727 } 4728 4729 #ifdef LLDB_CONFIGURATION_DEBUG 4730 VerifyDecl(cxx_method_decl); 4731 #endif 4732 4733 // printf ("decl->isPolymorphic() = %i\n", cxx_record_decl->isPolymorphic()); 4734 // printf ("decl->isAggregate() = %i\n", cxx_record_decl->isAggregate()); 4735 // printf ("decl->isPOD() = %i\n", cxx_record_decl->isPOD()); 4736 // printf ("decl->isEmpty() = %i\n", cxx_record_decl->isEmpty()); 4737 // printf ("decl->isAbstract() = %i\n", cxx_record_decl->isAbstract()); 4738 // printf ("decl->hasTrivialConstructor() = %i\n", cxx_record_decl->hasTrivialConstructor()); 4739 // printf ("decl->hasTrivialCopyConstructor() = %i\n", cxx_record_decl->hasTrivialCopyConstructor()); 4740 // printf ("decl->hasTrivialCopyAssignment() = %i\n", cxx_record_decl->hasTrivialCopyAssignment()); 4741 // printf ("decl->hasTrivialDestructor() = %i\n", cxx_record_decl->hasTrivialDestructor()); 4742 return cxx_method_decl; 4743 } 4744 4745 4746 #pragma mark C++ Base Classes 4747 4748 CXXBaseSpecifier * 4749 ClangASTType::CreateBaseClassSpecifier (AccessType access, bool is_virtual, bool base_of_class) 4750 { 4751 if (IsValid()) 4752 return new CXXBaseSpecifier (SourceRange(), 4753 is_virtual, 4754 base_of_class, 4755 ClangASTContext::ConvertAccessTypeToAccessSpecifier (access), 4756 m_ast->getTrivialTypeSourceInfo (GetQualType()), 4757 SourceLocation()); 4758 return NULL; 4759 } 4760 4761 void 4762 ClangASTType::DeleteBaseClassSpecifiers (CXXBaseSpecifier **base_classes, unsigned num_base_classes) 4763 { 4764 for (unsigned i=0; i<num_base_classes; ++i) 4765 { 4766 delete base_classes[i]; 4767 base_classes[i] = NULL; 4768 } 4769 } 4770 4771 bool 4772 ClangASTType::SetBaseClassesForClassType (CXXBaseSpecifier const * const *base_classes, 4773 unsigned num_base_classes) 4774 { 4775 if (IsValid()) 4776 { 4777 CXXRecordDecl *cxx_record_decl = GetAsCXXRecordDecl(); 4778 if (cxx_record_decl) 4779 { 4780 cxx_record_decl->setBases(base_classes, num_base_classes); 4781 return true; 4782 } 4783 } 4784 return false; 4785 } 4786 4787 bool 4788 ClangASTType::SetObjCSuperClass (const ClangASTType &superclass_clang_type) 4789 { 4790 if (IsValid() && superclass_clang_type.IsValid()) 4791 { 4792 ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); 4793 ObjCInterfaceDecl *super_interface_decl = superclass_clang_type.GetAsObjCInterfaceDecl (); 4794 if (class_interface_decl && super_interface_decl) 4795 { 4796 class_interface_decl->setSuperClass(super_interface_decl); 4797 return true; 4798 } 4799 } 4800 return false; 4801 } 4802 4803 bool 4804 ClangASTType::AddObjCClassProperty (const char *property_name, 4805 const ClangASTType &property_clang_type, 4806 ObjCIvarDecl *ivar_decl, 4807 const char *property_setter_name, 4808 const char *property_getter_name, 4809 uint32_t property_attributes, 4810 ClangASTMetadata *metadata) 4811 { 4812 if (!IsValid() || !property_clang_type.IsValid() || property_name == NULL || property_name[0] == '\0') 4813 return false; 4814 4815 ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); 4816 4817 if (class_interface_decl) 4818 { 4819 ClangASTType property_clang_type_to_access; 4820 4821 if (property_clang_type.IsValid()) 4822 property_clang_type_to_access = property_clang_type; 4823 else if (ivar_decl) 4824 property_clang_type_to_access = ClangASTType (m_ast, ivar_decl->getType()); 4825 4826 if (class_interface_decl && property_clang_type_to_access.IsValid()) 4827 { 4828 clang::TypeSourceInfo *prop_type_source; 4829 if (ivar_decl) 4830 prop_type_source = m_ast->getTrivialTypeSourceInfo (ivar_decl->getType()); 4831 else 4832 prop_type_source = m_ast->getTrivialTypeSourceInfo (property_clang_type.GetQualType()); 4833 4834 ObjCPropertyDecl *property_decl = ObjCPropertyDecl::Create (*m_ast, 4835 class_interface_decl, 4836 SourceLocation(), // Source Location 4837 &m_ast->Idents.get(property_name), 4838 SourceLocation(), //Source Location for AT 4839 SourceLocation(), //Source location for ( 4840 prop_type_source); 4841 4842 if (property_decl) 4843 { 4844 if (metadata) 4845 ClangASTContext::SetMetadata(m_ast, property_decl, *metadata); 4846 4847 class_interface_decl->addDecl (property_decl); 4848 4849 Selector setter_sel, getter_sel; 4850 4851 if (property_setter_name != NULL) 4852 { 4853 std::string property_setter_no_colon(property_setter_name, strlen(property_setter_name) - 1); 4854 clang::IdentifierInfo *setter_ident = &m_ast->Idents.get(property_setter_no_colon.c_str()); 4855 setter_sel = m_ast->Selectors.getSelector(1, &setter_ident); 4856 } 4857 else if (!(property_attributes & DW_APPLE_PROPERTY_readonly)) 4858 { 4859 std::string setter_sel_string("set"); 4860 setter_sel_string.push_back(::toupper(property_name[0])); 4861 setter_sel_string.append(&property_name[1]); 4862 clang::IdentifierInfo *setter_ident = &m_ast->Idents.get(setter_sel_string.c_str()); 4863 setter_sel = m_ast->Selectors.getSelector(1, &setter_ident); 4864 } 4865 property_decl->setSetterName(setter_sel); 4866 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_setter); 4867 4868 if (property_getter_name != NULL) 4869 { 4870 clang::IdentifierInfo *getter_ident = &m_ast->Idents.get(property_getter_name); 4871 getter_sel = m_ast->Selectors.getSelector(0, &getter_ident); 4872 } 4873 else 4874 { 4875 clang::IdentifierInfo *getter_ident = &m_ast->Idents.get(property_name); 4876 getter_sel = m_ast->Selectors.getSelector(0, &getter_ident); 4877 } 4878 property_decl->setGetterName(getter_sel); 4879 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_getter); 4880 4881 if (ivar_decl) 4882 property_decl->setPropertyIvarDecl (ivar_decl); 4883 4884 if (property_attributes & DW_APPLE_PROPERTY_readonly) 4885 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_readonly); 4886 if (property_attributes & DW_APPLE_PROPERTY_readwrite) 4887 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_readwrite); 4888 if (property_attributes & DW_APPLE_PROPERTY_assign) 4889 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_assign); 4890 if (property_attributes & DW_APPLE_PROPERTY_retain) 4891 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_retain); 4892 if (property_attributes & DW_APPLE_PROPERTY_copy) 4893 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_copy); 4894 if (property_attributes & DW_APPLE_PROPERTY_nonatomic) 4895 property_decl->setPropertyAttributes (clang::ObjCPropertyDecl::OBJC_PR_nonatomic); 4896 4897 if (!getter_sel.isNull() && !class_interface_decl->lookupInstanceMethod(getter_sel)) 4898 { 4899 const bool isInstance = true; 4900 const bool isVariadic = false; 4901 const bool isSynthesized = false; 4902 const bool isImplicitlyDeclared = true; 4903 const bool isDefined = false; 4904 const ObjCMethodDecl::ImplementationControl impControl = ObjCMethodDecl::None; 4905 const bool HasRelatedResultType = false; 4906 4907 ObjCMethodDecl *getter = ObjCMethodDecl::Create (*m_ast, 4908 SourceLocation(), 4909 SourceLocation(), 4910 getter_sel, 4911 property_clang_type_to_access.GetQualType(), 4912 NULL, 4913 class_interface_decl, 4914 isInstance, 4915 isVariadic, 4916 isSynthesized, 4917 isImplicitlyDeclared, 4918 isDefined, 4919 impControl, 4920 HasRelatedResultType); 4921 4922 if (getter && metadata) 4923 ClangASTContext::SetMetadata(m_ast, getter, *metadata); 4924 4925 getter->setMethodParams(*m_ast, ArrayRef<ParmVarDecl*>(), ArrayRef<SourceLocation>()); 4926 4927 class_interface_decl->addDecl(getter); 4928 } 4929 4930 if (!setter_sel.isNull() && !class_interface_decl->lookupInstanceMethod(setter_sel)) 4931 { 4932 QualType result_type = m_ast->VoidTy; 4933 4934 const bool isInstance = true; 4935 const bool isVariadic = false; 4936 const bool isSynthesized = false; 4937 const bool isImplicitlyDeclared = true; 4938 const bool isDefined = false; 4939 const ObjCMethodDecl::ImplementationControl impControl = ObjCMethodDecl::None; 4940 const bool HasRelatedResultType = false; 4941 4942 ObjCMethodDecl *setter = ObjCMethodDecl::Create (*m_ast, 4943 SourceLocation(), 4944 SourceLocation(), 4945 setter_sel, 4946 result_type, 4947 NULL, 4948 class_interface_decl, 4949 isInstance, 4950 isVariadic, 4951 isSynthesized, 4952 isImplicitlyDeclared, 4953 isDefined, 4954 impControl, 4955 HasRelatedResultType); 4956 4957 if (setter && metadata) 4958 ClangASTContext::SetMetadata(m_ast, setter, *metadata); 4959 4960 llvm::SmallVector<ParmVarDecl *, 1> params; 4961 4962 params.push_back (ParmVarDecl::Create (*m_ast, 4963 setter, 4964 SourceLocation(), 4965 SourceLocation(), 4966 NULL, // anonymous 4967 property_clang_type_to_access.GetQualType(), 4968 NULL, 4969 SC_Auto, 4970 NULL)); 4971 4972 setter->setMethodParams(*m_ast, ArrayRef<ParmVarDecl*>(params), ArrayRef<SourceLocation>()); 4973 4974 class_interface_decl->addDecl(setter); 4975 } 4976 4977 return true; 4978 } 4979 } 4980 } 4981 return false; 4982 } 4983 4984 bool 4985 ClangASTType::IsObjCClassTypeAndHasIVars (bool check_superclass) const 4986 { 4987 ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl (); 4988 if (class_interface_decl) 4989 return ObjCDeclHasIVars (class_interface_decl, check_superclass); 4990 return false; 4991 } 4992 4993 4994 ObjCMethodDecl * 4995 ClangASTType::AddMethodToObjCObjectType (const char *name, // the full symbol name as seen in the symbol table ("-[NString stringWithCString:]") 4996 const ClangASTType &method_clang_type, 4997 lldb::AccessType access, 4998 bool is_artificial) 4999 { 5000 if (!IsValid() || !method_clang_type.IsValid()) 5001 return NULL; 5002 5003 ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(); 5004 5005 if (class_interface_decl == NULL) 5006 return NULL; 5007 5008 const char *selector_start = ::strchr (name, ' '); 5009 if (selector_start == NULL) 5010 return NULL; 5011 5012 selector_start++; 5013 llvm::SmallVector<IdentifierInfo *, 12> selector_idents; 5014 5015 size_t len = 0; 5016 const char *start; 5017 //printf ("name = '%s'\n", name); 5018 5019 unsigned num_selectors_with_args = 0; 5020 for (start = selector_start; 5021 start && *start != '\0' && *start != ']'; 5022 start += len) 5023 { 5024 len = ::strcspn(start, ":]"); 5025 bool has_arg = (start[len] == ':'); 5026 if (has_arg) 5027 ++num_selectors_with_args; 5028 selector_idents.push_back (&m_ast->Idents.get (StringRef (start, len))); 5029 if (has_arg) 5030 len += 1; 5031 } 5032 5033 5034 if (selector_idents.size() == 0) 5035 return 0; 5036 5037 clang::Selector method_selector = m_ast->Selectors.getSelector (num_selectors_with_args ? selector_idents.size() : 0, 5038 selector_idents.data()); 5039 5040 QualType method_qual_type (method_clang_type.GetQualType()); 5041 5042 // Populate the method decl with parameter decls 5043 const clang::Type *method_type(method_qual_type.getTypePtr()); 5044 5045 if (method_type == NULL) 5046 return NULL; 5047 5048 const FunctionProtoType *method_function_prototype (dyn_cast<FunctionProtoType>(method_type)); 5049 5050 if (!method_function_prototype) 5051 return NULL; 5052 5053 5054 bool is_variadic = false; 5055 bool is_synthesized = false; 5056 bool is_defined = false; 5057 ObjCMethodDecl::ImplementationControl imp_control = ObjCMethodDecl::None; 5058 5059 const unsigned num_args = method_function_prototype->getNumArgs(); 5060 5061 if (num_args != num_selectors_with_args) 5062 return NULL; // some debug information is corrupt. We are not going to deal with it. 5063 5064 ObjCMethodDecl *objc_method_decl = ObjCMethodDecl::Create (*m_ast, 5065 SourceLocation(), // beginLoc, 5066 SourceLocation(), // endLoc, 5067 method_selector, 5068 method_function_prototype->getResultType(), 5069 NULL, // TypeSourceInfo *ResultTInfo, 5070 GetDeclContextForType (), 5071 name[0] == '-', 5072 is_variadic, 5073 is_synthesized, 5074 true, // is_implicitly_declared; we force this to true because we don't have source locations 5075 is_defined, 5076 imp_control, 5077 false /*has_related_result_type*/); 5078 5079 5080 if (objc_method_decl == NULL) 5081 return NULL; 5082 5083 if (num_args > 0) 5084 { 5085 llvm::SmallVector<ParmVarDecl *, 12> params; 5086 5087 for (unsigned param_index = 0; param_index < num_args; ++param_index) 5088 { 5089 params.push_back (ParmVarDecl::Create (*m_ast, 5090 objc_method_decl, 5091 SourceLocation(), 5092 SourceLocation(), 5093 NULL, // anonymous 5094 method_function_prototype->getArgType(param_index), 5095 NULL, 5096 SC_Auto, 5097 NULL)); 5098 } 5099 5100 objc_method_decl->setMethodParams(*m_ast, ArrayRef<ParmVarDecl*>(params), ArrayRef<SourceLocation>()); 5101 } 5102 5103 class_interface_decl->addDecl (objc_method_decl); 5104 5105 #ifdef LLDB_CONFIGURATION_DEBUG 5106 VerifyDecl(objc_method_decl); 5107 #endif 5108 5109 return objc_method_decl; 5110 } 5111 5112 5113 clang::DeclContext * 5114 ClangASTType::GetDeclContextForType () const 5115 { 5116 if (!IsValid()) 5117 return NULL; 5118 5119 QualType qual_type(GetCanonicalQualType()); 5120 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 5121 switch (type_class) 5122 { 5123 case clang::Type::UnaryTransform: break; 5124 case clang::Type::FunctionNoProto: break; 5125 case clang::Type::FunctionProto: break; 5126 case clang::Type::IncompleteArray: break; 5127 case clang::Type::VariableArray: break; 5128 case clang::Type::ConstantArray: break; 5129 case clang::Type::DependentSizedArray: break; 5130 case clang::Type::ExtVector: break; 5131 case clang::Type::DependentSizedExtVector: break; 5132 case clang::Type::Vector: break; 5133 case clang::Type::Builtin: break; 5134 case clang::Type::BlockPointer: break; 5135 case clang::Type::Pointer: break; 5136 case clang::Type::LValueReference: break; 5137 case clang::Type::RValueReference: break; 5138 case clang::Type::MemberPointer: break; 5139 case clang::Type::Complex: break; 5140 case clang::Type::ObjCObject: break; 5141 case clang::Type::ObjCInterface: return cast<ObjCObjectType>(qual_type.getTypePtr())->getInterface(); 5142 case clang::Type::ObjCObjectPointer: return ClangASTType (m_ast, cast<ObjCObjectPointerType>(qual_type.getTypePtr())->getPointeeType()).GetDeclContextForType(); 5143 case clang::Type::Record: return cast<RecordType>(qual_type)->getDecl(); 5144 case clang::Type::Enum: return cast<EnumType>(qual_type)->getDecl(); 5145 case clang::Type::Typedef: return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).GetDeclContextForType(); 5146 case clang::Type::Elaborated: return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).GetDeclContextForType(); 5147 case clang::Type::Paren: return ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).GetDeclContextForType(); 5148 case clang::Type::TypeOfExpr: break; 5149 case clang::Type::TypeOf: break; 5150 case clang::Type::Decltype: break; 5151 //case clang::Type::QualifiedName: break; 5152 case clang::Type::TemplateSpecialization: break; 5153 case clang::Type::DependentTemplateSpecialization: break; 5154 case clang::Type::TemplateTypeParm: break; 5155 case clang::Type::SubstTemplateTypeParm: break; 5156 case clang::Type::SubstTemplateTypeParmPack:break; 5157 case clang::Type::PackExpansion: break; 5158 case clang::Type::UnresolvedUsing: break; 5159 case clang::Type::Attributed: break; 5160 case clang::Type::Auto: break; 5161 case clang::Type::InjectedClassName: break; 5162 case clang::Type::DependentName: break; 5163 case clang::Type::Atomic: break; 5164 } 5165 // No DeclContext in this type... 5166 return NULL; 5167 } 5168 5169 bool 5170 ClangASTType::SetDefaultAccessForRecordFields (int default_accessibility, 5171 int *assigned_accessibilities, 5172 size_t num_assigned_accessibilities) 5173 { 5174 if (IsValid()) 5175 { 5176 RecordDecl *record_decl = GetAsRecordDecl(); 5177 if (record_decl) 5178 { 5179 uint32_t field_idx; 5180 RecordDecl::field_iterator field, field_end; 5181 for (field = record_decl->field_begin(), field_end = record_decl->field_end(), field_idx = 0; 5182 field != field_end; 5183 ++field, ++field_idx) 5184 { 5185 // If no accessibility was assigned, assign the correct one 5186 if (field_idx < num_assigned_accessibilities && assigned_accessibilities[field_idx] == clang::AS_none) 5187 field->setAccess ((AccessSpecifier)default_accessibility); 5188 } 5189 return true; 5190 } 5191 } 5192 return false; 5193 } 5194 5195 5196 bool 5197 ClangASTType::SetHasExternalStorage (bool has_extern) 5198 { 5199 if (!IsValid()) 5200 return false; 5201 5202 QualType qual_type (GetCanonicalQualType()); 5203 5204 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 5205 switch (type_class) 5206 { 5207 case clang::Type::Record: 5208 { 5209 CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 5210 if (cxx_record_decl) 5211 { 5212 cxx_record_decl->setHasExternalLexicalStorage (has_extern); 5213 cxx_record_decl->setHasExternalVisibleStorage (has_extern); 5214 return true; 5215 } 5216 } 5217 break; 5218 5219 case clang::Type::Enum: 5220 { 5221 EnumDecl *enum_decl = cast<EnumType>(qual_type)->getDecl(); 5222 if (enum_decl) 5223 { 5224 enum_decl->setHasExternalLexicalStorage (has_extern); 5225 enum_decl->setHasExternalVisibleStorage (has_extern); 5226 return true; 5227 } 5228 } 5229 break; 5230 5231 case clang::Type::ObjCObject: 5232 case clang::Type::ObjCInterface: 5233 { 5234 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 5235 assert (objc_class_type); 5236 if (objc_class_type) 5237 { 5238 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 5239 5240 if (class_interface_decl) 5241 { 5242 class_interface_decl->setHasExternalLexicalStorage (has_extern); 5243 class_interface_decl->setHasExternalVisibleStorage (has_extern); 5244 return true; 5245 } 5246 } 5247 } 5248 break; 5249 5250 case clang::Type::Typedef: 5251 return ClangASTType (m_ast, cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType()).SetHasExternalStorage (has_extern); 5252 5253 case clang::Type::Elaborated: 5254 return ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).SetHasExternalStorage (has_extern); 5255 5256 case clang::Type::Paren: 5257 return ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).SetHasExternalStorage (has_extern); 5258 5259 default: 5260 break; 5261 } 5262 return false; 5263 } 5264 5265 bool 5266 ClangASTType::SetTagTypeKind (int kind) const 5267 { 5268 if (IsValid()) 5269 { 5270 QualType tag_qual_type(GetQualType()); 5271 const clang::Type *clang_type = tag_qual_type.getTypePtr(); 5272 if (clang_type) 5273 { 5274 const TagType *tag_type = dyn_cast<TagType>(clang_type); 5275 if (tag_type) 5276 { 5277 TagDecl *tag_decl = dyn_cast<TagDecl>(tag_type->getDecl()); 5278 if (tag_decl) 5279 { 5280 tag_decl->setTagKind ((TagDecl::TagKind)kind); 5281 return true; 5282 } 5283 } 5284 } 5285 } 5286 return false; 5287 } 5288 5289 5290 #pragma mark TagDecl 5291 5292 bool 5293 ClangASTType::StartTagDeclarationDefinition () 5294 { 5295 if (IsValid()) 5296 { 5297 QualType qual_type (GetQualType()); 5298 const clang::Type *t = qual_type.getTypePtr(); 5299 if (t) 5300 { 5301 const TagType *tag_type = dyn_cast<TagType>(t); 5302 if (tag_type) 5303 { 5304 TagDecl *tag_decl = tag_type->getDecl(); 5305 if (tag_decl) 5306 { 5307 tag_decl->startDefinition(); 5308 return true; 5309 } 5310 } 5311 5312 const ObjCObjectType *object_type = dyn_cast<ObjCObjectType>(t); 5313 if (object_type) 5314 { 5315 ObjCInterfaceDecl *interface_decl = object_type->getInterface(); 5316 if (interface_decl) 5317 { 5318 interface_decl->startDefinition(); 5319 return true; 5320 } 5321 } 5322 } 5323 } 5324 return false; 5325 } 5326 5327 bool 5328 ClangASTType::CompleteTagDeclarationDefinition () 5329 { 5330 if (IsValid()) 5331 { 5332 QualType qual_type (GetQualType()); 5333 5334 CXXRecordDecl *cxx_record_decl = qual_type->getAsCXXRecordDecl(); 5335 5336 if (cxx_record_decl) 5337 { 5338 cxx_record_decl->completeDefinition(); 5339 5340 return true; 5341 } 5342 5343 const EnumType *enum_type = dyn_cast<EnumType>(qual_type.getTypePtr()); 5344 5345 if (enum_type) 5346 { 5347 EnumDecl *enum_decl = enum_type->getDecl(); 5348 5349 if (enum_decl) 5350 { 5351 /// TODO This really needs to be fixed. 5352 5353 unsigned NumPositiveBits = 1; 5354 unsigned NumNegativeBits = 0; 5355 5356 QualType promotion_qual_type; 5357 // If the enum integer type is less than an integer in bit width, 5358 // then we must promote it to an integer size. 5359 if (m_ast->getTypeSize(enum_decl->getIntegerType()) < m_ast->getTypeSize(m_ast->IntTy)) 5360 { 5361 if (enum_decl->getIntegerType()->isSignedIntegerType()) 5362 promotion_qual_type = m_ast->IntTy; 5363 else 5364 promotion_qual_type = m_ast->UnsignedIntTy; 5365 } 5366 else 5367 promotion_qual_type = enum_decl->getIntegerType(); 5368 5369 enum_decl->completeDefinition(enum_decl->getIntegerType(), promotion_qual_type, NumPositiveBits, NumNegativeBits); 5370 return true; 5371 } 5372 } 5373 } 5374 return false; 5375 } 5376 5377 5378 5379 5380 5381 5382 5383 bool 5384 ClangASTType::AddEnumerationValueToEnumerationType (const ClangASTType &enumerator_clang_type, 5385 const Declaration &decl, 5386 const char *name, 5387 int64_t enum_value, 5388 uint32_t enum_value_bit_size) 5389 { 5390 if (IsValid() && enumerator_clang_type.IsValid() && name && name[0]) 5391 { 5392 QualType enum_qual_type (GetCanonicalQualType()); 5393 5394 bool is_signed = false; 5395 enumerator_clang_type.IsIntegerType (is_signed); 5396 const clang::Type *clang_type = enum_qual_type.getTypePtr(); 5397 if (clang_type) 5398 { 5399 const EnumType *enum_type = dyn_cast<EnumType>(clang_type); 5400 5401 if (enum_type) 5402 { 5403 llvm::APSInt enum_llvm_apsint(enum_value_bit_size, is_signed); 5404 enum_llvm_apsint = enum_value; 5405 EnumConstantDecl *enumerator_decl = 5406 EnumConstantDecl::Create (*m_ast, 5407 enum_type->getDecl(), 5408 SourceLocation(), 5409 name ? &m_ast->Idents.get(name) : NULL, // Identifier 5410 enumerator_clang_type.GetQualType(), 5411 NULL, 5412 enum_llvm_apsint); 5413 5414 if (enumerator_decl) 5415 { 5416 enum_type->getDecl()->addDecl(enumerator_decl); 5417 5418 #ifdef LLDB_CONFIGURATION_DEBUG 5419 VerifyDecl(enumerator_decl); 5420 #endif 5421 5422 return true; 5423 } 5424 } 5425 } 5426 } 5427 return false; 5428 } 5429 5430 5431 ClangASTType 5432 ClangASTType::GetEnumerationIntegerType () const 5433 { 5434 QualType enum_qual_type (GetCanonicalQualType()); 5435 const clang::Type *clang_type = enum_qual_type.getTypePtr(); 5436 if (clang_type) 5437 { 5438 const EnumType *enum_type = dyn_cast<EnumType>(clang_type); 5439 if (enum_type) 5440 { 5441 EnumDecl *enum_decl = enum_type->getDecl(); 5442 if (enum_decl) 5443 return ClangASTType (m_ast, enum_decl->getIntegerType()); 5444 } 5445 } 5446 return ClangASTType(); 5447 } 5448 5449 ClangASTType 5450 ClangASTType::CreateMemberPointerType (const ClangASTType &pointee_type) const 5451 { 5452 if (IsValid() && pointee_type.IsValid()) 5453 { 5454 return ClangASTType (m_ast, m_ast->getMemberPointerType (pointee_type.GetQualType(), 5455 GetQualType().getTypePtr())); 5456 } 5457 return ClangASTType(); 5458 } 5459 5460 5461 size_t 5462 ClangASTType::ConvertStringToFloatValue (const char *s, uint8_t *dst, size_t dst_size) const 5463 { 5464 if (IsValid()) 5465 { 5466 QualType qual_type (GetCanonicalQualType()); 5467 uint32_t count = 0; 5468 bool is_complex = false; 5469 if (IsFloatingPointType (count, is_complex)) 5470 { 5471 // TODO: handle complex and vector types 5472 if (count != 1) 5473 return false; 5474 5475 StringRef s_sref(s); 5476 APFloat ap_float(m_ast->getFloatTypeSemantics(qual_type), s_sref); 5477 5478 const uint64_t bit_size = m_ast->getTypeSize (qual_type); 5479 const uint64_t byte_size = bit_size / 8; 5480 if (dst_size >= byte_size) 5481 { 5482 if (bit_size == sizeof(float)*8) 5483 { 5484 float float32 = ap_float.convertToFloat(); 5485 ::memcpy (dst, &float32, byte_size); 5486 return byte_size; 5487 } 5488 else if (bit_size >= 64) 5489 { 5490 llvm::APInt ap_int(ap_float.bitcastToAPInt()); 5491 ::memcpy (dst, ap_int.getRawData(), byte_size); 5492 return byte_size; 5493 } 5494 } 5495 } 5496 } 5497 return 0; 5498 } 5499 5500 5501 5502 //---------------------------------------------------------------------- 5503 // Dumping types 5504 //---------------------------------------------------------------------- 5505 #define DEPTH_INCREMENT 2 5506 5507 void 5508 ClangASTType::DumpValue (ExecutionContext *exe_ctx, 5509 Stream *s, 5510 lldb::Format format, 5511 const lldb_private::DataExtractor &data, 5512 lldb::offset_t data_byte_offset, 5513 size_t data_byte_size, 5514 uint32_t bitfield_bit_size, 5515 uint32_t bitfield_bit_offset, 5516 bool show_types, 5517 bool show_summary, 5518 bool verbose, 5519 uint32_t depth) 5520 { 5521 if (!IsValid()) 5522 return; 5523 5524 QualType qual_type(GetQualType()); 5525 switch (qual_type->getTypeClass()) 5526 { 5527 case clang::Type::Record: 5528 if (GetCompleteType ()) 5529 { 5530 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 5531 const RecordDecl *record_decl = record_type->getDecl(); 5532 assert(record_decl); 5533 uint32_t field_bit_offset = 0; 5534 uint32_t field_byte_offset = 0; 5535 const ASTRecordLayout &record_layout = m_ast->getASTRecordLayout(record_decl); 5536 uint32_t child_idx = 0; 5537 5538 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 5539 if (cxx_record_decl) 5540 { 5541 // We might have base classes to print out first 5542 CXXRecordDecl::base_class_const_iterator base_class, base_class_end; 5543 for (base_class = cxx_record_decl->bases_begin(), base_class_end = cxx_record_decl->bases_end(); 5544 base_class != base_class_end; 5545 ++base_class) 5546 { 5547 const CXXRecordDecl *base_class_decl = cast<CXXRecordDecl>(base_class->getType()->getAs<RecordType>()->getDecl()); 5548 5549 // Skip empty base classes 5550 if (verbose == false && ClangASTContext::RecordHasFields(base_class_decl) == false) 5551 continue; 5552 5553 if (base_class->isVirtual()) 5554 field_bit_offset = record_layout.getVBaseClassOffset(base_class_decl).getQuantity() * 8; 5555 else 5556 field_bit_offset = record_layout.getBaseClassOffset(base_class_decl).getQuantity() * 8; 5557 field_byte_offset = field_bit_offset / 8; 5558 assert (field_bit_offset % 8 == 0); 5559 if (child_idx == 0) 5560 s->PutChar('{'); 5561 else 5562 s->PutChar(','); 5563 5564 QualType base_class_qual_type = base_class->getType(); 5565 std::string base_class_type_name(base_class_qual_type.getAsString()); 5566 5567 // Indent and print the base class type name 5568 s->Printf("\n%*s%s ", depth + DEPTH_INCREMENT, "", base_class_type_name.c_str()); 5569 5570 std::pair<uint64_t, unsigned> base_class_type_info = m_ast->getTypeInfo(base_class_qual_type); 5571 5572 // Dump the value of the member 5573 ClangASTType base_clang_type(m_ast, base_class_qual_type); 5574 base_clang_type.DumpValue (exe_ctx, 5575 s, // Stream to dump to 5576 base_clang_type.GetFormat(), // The format with which to display the member 5577 data, // Data buffer containing all bytes for this type 5578 data_byte_offset + field_byte_offset,// Offset into "data" where to grab value from 5579 base_class_type_info.first / 8, // Size of this type in bytes 5580 0, // Bitfield bit size 5581 0, // Bitfield bit offset 5582 show_types, // Boolean indicating if we should show the variable types 5583 show_summary, // Boolean indicating if we should show a summary for the current type 5584 verbose, // Verbose output? 5585 depth + DEPTH_INCREMENT); // Scope depth for any types that have children 5586 5587 ++child_idx; 5588 } 5589 } 5590 uint32_t field_idx = 0; 5591 RecordDecl::field_iterator field, field_end; 5592 for (field = record_decl->field_begin(), field_end = record_decl->field_end(); field != field_end; ++field, ++field_idx, ++child_idx) 5593 { 5594 // Print the starting squiggly bracket (if this is the 5595 // first member) or comman (for member 2 and beyong) for 5596 // the struct/union/class member. 5597 if (child_idx == 0) 5598 s->PutChar('{'); 5599 else 5600 s->PutChar(','); 5601 5602 // Indent 5603 s->Printf("\n%*s", depth + DEPTH_INCREMENT, ""); 5604 5605 QualType field_type = field->getType(); 5606 // Print the member type if requested 5607 // Figure out the type byte size (field_type_info.first) and 5608 // alignment (field_type_info.second) from the AST context. 5609 std::pair<uint64_t, unsigned> field_type_info = m_ast->getTypeInfo(field_type); 5610 assert(field_idx < record_layout.getFieldCount()); 5611 // Figure out the field offset within the current struct/union/class type 5612 field_bit_offset = record_layout.getFieldOffset (field_idx); 5613 field_byte_offset = field_bit_offset / 8; 5614 uint32_t field_bitfield_bit_size = 0; 5615 uint32_t field_bitfield_bit_offset = 0; 5616 if (ClangASTContext::FieldIsBitfield (m_ast, *field, field_bitfield_bit_size)) 5617 field_bitfield_bit_offset = field_bit_offset % 8; 5618 5619 if (show_types) 5620 { 5621 std::string field_type_name(field_type.getAsString()); 5622 if (field_bitfield_bit_size > 0) 5623 s->Printf("(%s:%u) ", field_type_name.c_str(), field_bitfield_bit_size); 5624 else 5625 s->Printf("(%s) ", field_type_name.c_str()); 5626 } 5627 // Print the member name and equal sign 5628 s->Printf("%s = ", field->getNameAsString().c_str()); 5629 5630 5631 // Dump the value of the member 5632 ClangASTType field_clang_type (m_ast, field_type); 5633 field_clang_type.DumpValue (exe_ctx, 5634 s, // Stream to dump to 5635 field_clang_type.GetFormat(), // The format with which to display the member 5636 data, // Data buffer containing all bytes for this type 5637 data_byte_offset + field_byte_offset,// Offset into "data" where to grab value from 5638 field_type_info.first / 8, // Size of this type in bytes 5639 field_bitfield_bit_size, // Bitfield bit size 5640 field_bitfield_bit_offset, // Bitfield bit offset 5641 show_types, // Boolean indicating if we should show the variable types 5642 show_summary, // Boolean indicating if we should show a summary for the current type 5643 verbose, // Verbose output? 5644 depth + DEPTH_INCREMENT); // Scope depth for any types that have children 5645 } 5646 5647 // Indent the trailing squiggly bracket 5648 if (child_idx > 0) 5649 s->Printf("\n%*s}", depth, ""); 5650 } 5651 return; 5652 5653 case clang::Type::Enum: 5654 if (GetCompleteType ()) 5655 { 5656 const EnumType *enum_type = cast<EnumType>(qual_type.getTypePtr()); 5657 const EnumDecl *enum_decl = enum_type->getDecl(); 5658 assert(enum_decl); 5659 EnumDecl::enumerator_iterator enum_pos, enum_end_pos; 5660 lldb::offset_t offset = data_byte_offset; 5661 const int64_t enum_value = data.GetMaxU64Bitfield(&offset, data_byte_size, bitfield_bit_size, bitfield_bit_offset); 5662 for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) 5663 { 5664 if (enum_pos->getInitVal() == enum_value) 5665 { 5666 s->Printf("%s", enum_pos->getNameAsString().c_str()); 5667 return; 5668 } 5669 } 5670 // If we have gotten here we didn't get find the enumerator in the 5671 // enum decl, so just print the integer. 5672 s->Printf("%" PRIi64, enum_value); 5673 } 5674 return; 5675 5676 case clang::Type::ConstantArray: 5677 { 5678 const ConstantArrayType *array = cast<ConstantArrayType>(qual_type.getTypePtr()); 5679 bool is_array_of_characters = false; 5680 QualType element_qual_type = array->getElementType(); 5681 5682 const clang::Type *canonical_type = element_qual_type->getCanonicalTypeInternal().getTypePtr(); 5683 if (canonical_type) 5684 is_array_of_characters = canonical_type->isCharType(); 5685 5686 const uint64_t element_count = array->getSize().getLimitedValue(); 5687 5688 std::pair<uint64_t, unsigned> field_type_info = m_ast->getTypeInfo(element_qual_type); 5689 5690 uint32_t element_idx = 0; 5691 uint32_t element_offset = 0; 5692 uint64_t element_byte_size = field_type_info.first / 8; 5693 uint32_t element_stride = element_byte_size; 5694 5695 if (is_array_of_characters) 5696 { 5697 s->PutChar('"'); 5698 data.Dump(s, data_byte_offset, lldb::eFormatChar, element_byte_size, element_count, UINT32_MAX, LLDB_INVALID_ADDRESS, 0, 0); 5699 s->PutChar('"'); 5700 return; 5701 } 5702 else 5703 { 5704 ClangASTType element_clang_type(m_ast, element_qual_type); 5705 lldb::Format element_format = element_clang_type.GetFormat(); 5706 5707 for (element_idx = 0; element_idx < element_count; ++element_idx) 5708 { 5709 // Print the starting squiggly bracket (if this is the 5710 // first member) or comman (for member 2 and beyong) for 5711 // the struct/union/class member. 5712 if (element_idx == 0) 5713 s->PutChar('{'); 5714 else 5715 s->PutChar(','); 5716 5717 // Indent and print the index 5718 s->Printf("\n%*s[%u] ", depth + DEPTH_INCREMENT, "", element_idx); 5719 5720 // Figure out the field offset within the current struct/union/class type 5721 element_offset = element_idx * element_stride; 5722 5723 // Dump the value of the member 5724 element_clang_type.DumpValue (exe_ctx, 5725 s, // Stream to dump to 5726 element_format, // The format with which to display the element 5727 data, // Data buffer containing all bytes for this type 5728 data_byte_offset + element_offset,// Offset into "data" where to grab value from 5729 element_byte_size, // Size of this type in bytes 5730 0, // Bitfield bit size 5731 0, // Bitfield bit offset 5732 show_types, // Boolean indicating if we should show the variable types 5733 show_summary, // Boolean indicating if we should show a summary for the current type 5734 verbose, // Verbose output? 5735 depth + DEPTH_INCREMENT); // Scope depth for any types that have children 5736 } 5737 5738 // Indent the trailing squiggly bracket 5739 if (element_idx > 0) 5740 s->Printf("\n%*s}", depth, ""); 5741 } 5742 } 5743 return; 5744 5745 case clang::Type::Typedef: 5746 { 5747 QualType typedef_qual_type = cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType(); 5748 5749 ClangASTType typedef_clang_type (m_ast, typedef_qual_type); 5750 lldb::Format typedef_format = typedef_clang_type.GetFormat(); 5751 std::pair<uint64_t, unsigned> typedef_type_info = m_ast->getTypeInfo(typedef_qual_type); 5752 uint64_t typedef_byte_size = typedef_type_info.first / 8; 5753 5754 return typedef_clang_type.DumpValue (exe_ctx, 5755 s, // Stream to dump to 5756 typedef_format, // The format with which to display the element 5757 data, // Data buffer containing all bytes for this type 5758 data_byte_offset, // Offset into "data" where to grab value from 5759 typedef_byte_size, // Size of this type in bytes 5760 bitfield_bit_size, // Bitfield bit size 5761 bitfield_bit_offset,// Bitfield bit offset 5762 show_types, // Boolean indicating if we should show the variable types 5763 show_summary, // Boolean indicating if we should show a summary for the current type 5764 verbose, // Verbose output? 5765 depth); // Scope depth for any types that have children 5766 } 5767 break; 5768 5769 case clang::Type::Elaborated: 5770 { 5771 QualType elaborated_qual_type = cast<ElaboratedType>(qual_type)->getNamedType(); 5772 ClangASTType elaborated_clang_type (m_ast, elaborated_qual_type); 5773 lldb::Format elaborated_format = elaborated_clang_type.GetFormat(); 5774 std::pair<uint64_t, unsigned> elaborated_type_info = m_ast->getTypeInfo(elaborated_qual_type); 5775 uint64_t elaborated_byte_size = elaborated_type_info.first / 8; 5776 5777 return elaborated_clang_type.DumpValue (exe_ctx, 5778 s, // Stream to dump to 5779 elaborated_format, // The format with which to display the element 5780 data, // Data buffer containing all bytes for this type 5781 data_byte_offset, // Offset into "data" where to grab value from 5782 elaborated_byte_size, // Size of this type in bytes 5783 bitfield_bit_size, // Bitfield bit size 5784 bitfield_bit_offset,// Bitfield bit offset 5785 show_types, // Boolean indicating if we should show the variable types 5786 show_summary, // Boolean indicating if we should show a summary for the current type 5787 verbose, // Verbose output? 5788 depth); // Scope depth for any types that have children 5789 } 5790 break; 5791 5792 case clang::Type::Paren: 5793 { 5794 QualType desugar_qual_type = cast<ParenType>(qual_type)->desugar(); 5795 ClangASTType desugar_clang_type (m_ast, desugar_qual_type); 5796 5797 lldb::Format desugar_format = desugar_clang_type.GetFormat(); 5798 std::pair<uint64_t, unsigned> desugar_type_info = m_ast->getTypeInfo(desugar_qual_type); 5799 uint64_t desugar_byte_size = desugar_type_info.first / 8; 5800 5801 return desugar_clang_type.DumpValue (exe_ctx, 5802 s, // Stream to dump to 5803 desugar_format, // The format with which to display the element 5804 data, // Data buffer containing all bytes for this type 5805 data_byte_offset, // Offset into "data" where to grab value from 5806 desugar_byte_size, // Size of this type in bytes 5807 bitfield_bit_size, // Bitfield bit size 5808 bitfield_bit_offset,// Bitfield bit offset 5809 show_types, // Boolean indicating if we should show the variable types 5810 show_summary, // Boolean indicating if we should show a summary for the current type 5811 verbose, // Verbose output? 5812 depth); // Scope depth for any types that have children 5813 } 5814 break; 5815 5816 default: 5817 // We are down the a scalar type that we just need to display. 5818 data.Dump(s, 5819 data_byte_offset, 5820 format, 5821 data_byte_size, 5822 1, 5823 UINT32_MAX, 5824 LLDB_INVALID_ADDRESS, 5825 bitfield_bit_size, 5826 bitfield_bit_offset); 5827 5828 if (show_summary) 5829 DumpSummary (exe_ctx, s, data, data_byte_offset, data_byte_size); 5830 break; 5831 } 5832 } 5833 5834 5835 5836 5837 bool 5838 ClangASTType::DumpTypeValue (Stream *s, 5839 lldb::Format format, 5840 const lldb_private::DataExtractor &data, 5841 lldb::offset_t byte_offset, 5842 size_t byte_size, 5843 uint32_t bitfield_bit_size, 5844 uint32_t bitfield_bit_offset, 5845 ExecutionContextScope *exe_scope) 5846 { 5847 if (!IsValid()) 5848 return false; 5849 if (IsAggregateType()) 5850 { 5851 return false; 5852 } 5853 else 5854 { 5855 QualType qual_type(GetQualType()); 5856 5857 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 5858 switch (type_class) 5859 { 5860 case clang::Type::Typedef: 5861 { 5862 QualType typedef_qual_type = cast<TypedefType>(qual_type)->getDecl()->getUnderlyingType(); 5863 ClangASTType typedef_clang_type (m_ast, typedef_qual_type); 5864 if (format == eFormatDefault) 5865 format = typedef_clang_type.GetFormat(); 5866 std::pair<uint64_t, unsigned> typedef_type_info = m_ast->getTypeInfo(typedef_qual_type); 5867 uint64_t typedef_byte_size = typedef_type_info.first / 8; 5868 5869 return typedef_clang_type.DumpTypeValue (s, 5870 format, // The format with which to display the element 5871 data, // Data buffer containing all bytes for this type 5872 byte_offset, // Offset into "data" where to grab value from 5873 typedef_byte_size, // Size of this type in bytes 5874 bitfield_bit_size, // Size in bits of a bitfield value, if zero don't treat as a bitfield 5875 bitfield_bit_offset, // Offset in bits of a bitfield value if bitfield_bit_size != 0 5876 exe_scope); 5877 } 5878 break; 5879 5880 case clang::Type::Enum: 5881 // If our format is enum or default, show the enumeration value as 5882 // its enumeration string value, else just display it as requested. 5883 if ((format == eFormatEnum || format == eFormatDefault) && GetCompleteType ()) 5884 { 5885 const EnumType *enum_type = cast<EnumType>(qual_type.getTypePtr()); 5886 const EnumDecl *enum_decl = enum_type->getDecl(); 5887 assert(enum_decl); 5888 EnumDecl::enumerator_iterator enum_pos, enum_end_pos; 5889 const bool is_signed = qual_type->isSignedIntegerOrEnumerationType(); 5890 lldb::offset_t offset = byte_offset; 5891 if (is_signed) 5892 { 5893 const int64_t enum_svalue = data.GetMaxS64Bitfield (&offset, byte_size, bitfield_bit_size, bitfield_bit_offset); 5894 for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) 5895 { 5896 if (enum_pos->getInitVal().getSExtValue() == enum_svalue) 5897 { 5898 s->PutCString (enum_pos->getNameAsString().c_str()); 5899 return true; 5900 } 5901 } 5902 // If we have gotten here we didn't get find the enumerator in the 5903 // enum decl, so just print the integer. 5904 s->Printf("%" PRIi64, enum_svalue); 5905 } 5906 else 5907 { 5908 const uint64_t enum_uvalue = data.GetMaxU64Bitfield (&offset, byte_size, bitfield_bit_size, bitfield_bit_offset); 5909 for (enum_pos = enum_decl->enumerator_begin(), enum_end_pos = enum_decl->enumerator_end(); enum_pos != enum_end_pos; ++enum_pos) 5910 { 5911 if (enum_pos->getInitVal().getZExtValue() == enum_uvalue) 5912 { 5913 s->PutCString (enum_pos->getNameAsString().c_str()); 5914 return true; 5915 } 5916 } 5917 // If we have gotten here we didn't get find the enumerator in the 5918 // enum decl, so just print the integer. 5919 s->Printf("%" PRIu64, enum_uvalue); 5920 } 5921 return true; 5922 } 5923 // format was not enum, just fall through and dump the value as requested.... 5924 5925 default: 5926 // We are down the a scalar type that we just need to display. 5927 { 5928 uint32_t item_count = 1; 5929 // A few formats, we might need to modify our size and count for depending 5930 // on how we are trying to display the value... 5931 switch (format) 5932 { 5933 default: 5934 case eFormatBoolean: 5935 case eFormatBinary: 5936 case eFormatComplex: 5937 case eFormatCString: // NULL terminated C strings 5938 case eFormatDecimal: 5939 case eFormatEnum: 5940 case eFormatHex: 5941 case eFormatHexUppercase: 5942 case eFormatFloat: 5943 case eFormatOctal: 5944 case eFormatOSType: 5945 case eFormatUnsigned: 5946 case eFormatPointer: 5947 case eFormatVectorOfChar: 5948 case eFormatVectorOfSInt8: 5949 case eFormatVectorOfUInt8: 5950 case eFormatVectorOfSInt16: 5951 case eFormatVectorOfUInt16: 5952 case eFormatVectorOfSInt32: 5953 case eFormatVectorOfUInt32: 5954 case eFormatVectorOfSInt64: 5955 case eFormatVectorOfUInt64: 5956 case eFormatVectorOfFloat32: 5957 case eFormatVectorOfFloat64: 5958 case eFormatVectorOfUInt128: 5959 break; 5960 5961 case eFormatChar: 5962 case eFormatCharPrintable: 5963 case eFormatCharArray: 5964 case eFormatBytes: 5965 case eFormatBytesWithASCII: 5966 item_count = byte_size; 5967 byte_size = 1; 5968 break; 5969 5970 case eFormatUnicode16: 5971 item_count = byte_size / 2; 5972 byte_size = 2; 5973 break; 5974 5975 case eFormatUnicode32: 5976 item_count = byte_size / 4; 5977 byte_size = 4; 5978 break; 5979 } 5980 return data.Dump (s, 5981 byte_offset, 5982 format, 5983 byte_size, 5984 item_count, 5985 UINT32_MAX, 5986 LLDB_INVALID_ADDRESS, 5987 bitfield_bit_size, 5988 bitfield_bit_offset, 5989 exe_scope); 5990 } 5991 break; 5992 } 5993 } 5994 return 0; 5995 } 5996 5997 5998 5999 void 6000 ClangASTType::DumpSummary (ExecutionContext *exe_ctx, 6001 Stream *s, 6002 const lldb_private::DataExtractor &data, 6003 lldb::offset_t data_byte_offset, 6004 size_t data_byte_size) 6005 { 6006 uint32_t length = 0; 6007 if (IsCStringType (length)) 6008 { 6009 if (exe_ctx) 6010 { 6011 Process *process = exe_ctx->GetProcessPtr(); 6012 if (process) 6013 { 6014 lldb::offset_t offset = data_byte_offset; 6015 lldb::addr_t pointer_addresss = data.GetMaxU64(&offset, data_byte_size); 6016 std::vector<uint8_t> buf; 6017 if (length > 0) 6018 buf.resize (length); 6019 else 6020 buf.resize (256); 6021 6022 lldb_private::DataExtractor cstr_data(&buf.front(), buf.size(), process->GetByteOrder(), 4); 6023 buf.back() = '\0'; 6024 size_t bytes_read; 6025 size_t total_cstr_len = 0; 6026 Error error; 6027 while ((bytes_read = process->ReadMemory (pointer_addresss, &buf.front(), buf.size(), error)) > 0) 6028 { 6029 const size_t len = strlen((const char *)&buf.front()); 6030 if (len == 0) 6031 break; 6032 if (total_cstr_len == 0) 6033 s->PutCString (" \""); 6034 cstr_data.Dump(s, 0, lldb::eFormatChar, 1, len, UINT32_MAX, LLDB_INVALID_ADDRESS, 0, 0); 6035 total_cstr_len += len; 6036 if (len < buf.size()) 6037 break; 6038 pointer_addresss += total_cstr_len; 6039 } 6040 if (total_cstr_len > 0) 6041 s->PutChar ('"'); 6042 } 6043 } 6044 } 6045 } 6046 6047 void 6048 ClangASTType::DumpTypeDescription () const 6049 { 6050 StreamFile s (stdout, false); 6051 DumpTypeDescription (&s); 6052 ClangASTMetadata *metadata = ClangASTContext::GetMetadata (m_ast, m_type); 6053 if (metadata) 6054 { 6055 metadata->Dump (&s); 6056 } 6057 } 6058 6059 void 6060 ClangASTType::DumpTypeDescription (Stream *s) const 6061 { 6062 if (IsValid()) 6063 { 6064 QualType qual_type(GetQualType()); 6065 6066 SmallVector<char, 1024> buf; 6067 raw_svector_ostream llvm_ostrm (buf); 6068 6069 const clang::Type::TypeClass type_class = qual_type->getTypeClass(); 6070 switch (type_class) 6071 { 6072 case clang::Type::ObjCObject: 6073 case clang::Type::ObjCInterface: 6074 { 6075 GetCompleteType (); 6076 6077 const ObjCObjectType *objc_class_type = dyn_cast<ObjCObjectType>(qual_type.getTypePtr()); 6078 assert (objc_class_type); 6079 if (objc_class_type) 6080 { 6081 ObjCInterfaceDecl *class_interface_decl = objc_class_type->getInterface(); 6082 if (class_interface_decl) 6083 { 6084 PrintingPolicy policy = m_ast->getPrintingPolicy(); 6085 class_interface_decl->print(llvm_ostrm, policy, s->GetIndentLevel()); 6086 } 6087 } 6088 } 6089 break; 6090 6091 case clang::Type::Typedef: 6092 { 6093 const TypedefType *typedef_type = qual_type->getAs<TypedefType>(); 6094 if (typedef_type) 6095 { 6096 const TypedefNameDecl *typedef_decl = typedef_type->getDecl(); 6097 std::string clang_typedef_name (typedef_decl->getQualifiedNameAsString()); 6098 if (!clang_typedef_name.empty()) 6099 { 6100 s->PutCString ("typedef "); 6101 s->PutCString (clang_typedef_name.c_str()); 6102 } 6103 } 6104 } 6105 break; 6106 6107 case clang::Type::Elaborated: 6108 ClangASTType (m_ast, cast<ElaboratedType>(qual_type)->getNamedType()).DumpTypeDescription(s); 6109 return; 6110 6111 case clang::Type::Paren: 6112 ClangASTType (m_ast, cast<ParenType>(qual_type)->desugar()).DumpTypeDescription(s); 6113 return; 6114 6115 case clang::Type::Record: 6116 { 6117 GetCompleteType (); 6118 6119 const RecordType *record_type = cast<RecordType>(qual_type.getTypePtr()); 6120 const RecordDecl *record_decl = record_type->getDecl(); 6121 const CXXRecordDecl *cxx_record_decl = dyn_cast<CXXRecordDecl>(record_decl); 6122 6123 if (cxx_record_decl) 6124 cxx_record_decl->print(llvm_ostrm, m_ast->getPrintingPolicy(), s->GetIndentLevel()); 6125 else 6126 record_decl->print(llvm_ostrm, m_ast->getPrintingPolicy(), s->GetIndentLevel()); 6127 } 6128 break; 6129 6130 default: 6131 { 6132 const TagType *tag_type = dyn_cast<TagType>(qual_type.getTypePtr()); 6133 if (tag_type) 6134 { 6135 TagDecl *tag_decl = tag_type->getDecl(); 6136 if (tag_decl) 6137 tag_decl->print(llvm_ostrm, 0); 6138 } 6139 else 6140 { 6141 std::string clang_type_name(qual_type.getAsString()); 6142 if (!clang_type_name.empty()) 6143 s->PutCString (clang_type_name.c_str()); 6144 } 6145 } 6146 } 6147 6148 llvm_ostrm.flush(); 6149 if (buf.size() > 0) 6150 { 6151 s->Write (buf.data(), buf.size()); 6152 } 6153 } 6154 } 6155 6156 bool 6157 ClangASTType::GetValueAsScalar (const lldb_private::DataExtractor &data, 6158 lldb::offset_t data_byte_offset, 6159 size_t data_byte_size, 6160 Scalar &value) const 6161 { 6162 if (!IsValid()) 6163 return false; 6164 6165 if (IsAggregateType ()) 6166 { 6167 return false; // Aggregate types don't have scalar values 6168 } 6169 else 6170 { 6171 uint64_t count = 0; 6172 lldb::Encoding encoding = GetEncoding (count); 6173 6174 if (encoding == lldb::eEncodingInvalid || count != 1) 6175 return false; 6176 6177 const uint64_t byte_size = GetByteSize(); 6178 lldb::offset_t offset = data_byte_offset; 6179 switch (encoding) 6180 { 6181 case lldb::eEncodingInvalid: 6182 break; 6183 case lldb::eEncodingVector: 6184 break; 6185 case lldb::eEncodingUint: 6186 if (byte_size <= sizeof(unsigned long long)) 6187 { 6188 uint64_t uval64 = data.GetMaxU64 (&offset, byte_size); 6189 if (byte_size <= sizeof(unsigned int)) 6190 { 6191 value = (unsigned int)uval64; 6192 return true; 6193 } 6194 else if (byte_size <= sizeof(unsigned long)) 6195 { 6196 value = (unsigned long)uval64; 6197 return true; 6198 } 6199 else if (byte_size <= sizeof(unsigned long long)) 6200 { 6201 value = (unsigned long long )uval64; 6202 return true; 6203 } 6204 else 6205 value.Clear(); 6206 } 6207 break; 6208 6209 case lldb::eEncodingSint: 6210 if (byte_size <= sizeof(long long)) 6211 { 6212 int64_t sval64 = data.GetMaxS64 (&offset, byte_size); 6213 if (byte_size <= sizeof(int)) 6214 { 6215 value = (int)sval64; 6216 return true; 6217 } 6218 else if (byte_size <= sizeof(long)) 6219 { 6220 value = (long)sval64; 6221 return true; 6222 } 6223 else if (byte_size <= sizeof(long long)) 6224 { 6225 value = (long long )sval64; 6226 return true; 6227 } 6228 else 6229 value.Clear(); 6230 } 6231 break; 6232 6233 case lldb::eEncodingIEEE754: 6234 if (byte_size <= sizeof(long double)) 6235 { 6236 uint32_t u32; 6237 uint64_t u64; 6238 if (byte_size == sizeof(float)) 6239 { 6240 if (sizeof(float) == sizeof(uint32_t)) 6241 { 6242 u32 = data.GetU32(&offset); 6243 value = *((float *)&u32); 6244 return true; 6245 } 6246 else if (sizeof(float) == sizeof(uint64_t)) 6247 { 6248 u64 = data.GetU64(&offset); 6249 value = *((float *)&u64); 6250 return true; 6251 } 6252 } 6253 else 6254 if (byte_size == sizeof(double)) 6255 { 6256 if (sizeof(double) == sizeof(uint32_t)) 6257 { 6258 u32 = data.GetU32(&offset); 6259 value = *((double *)&u32); 6260 return true; 6261 } 6262 else if (sizeof(double) == sizeof(uint64_t)) 6263 { 6264 u64 = data.GetU64(&offset); 6265 value = *((double *)&u64); 6266 return true; 6267 } 6268 } 6269 else 6270 if (byte_size == sizeof(long double)) 6271 { 6272 if (sizeof(long double) == sizeof(uint32_t)) 6273 { 6274 u32 = data.GetU32(&offset); 6275 value = *((long double *)&u32); 6276 return true; 6277 } 6278 else if (sizeof(long double) == sizeof(uint64_t)) 6279 { 6280 u64 = data.GetU64(&offset); 6281 value = *((long double *)&u64); 6282 return true; 6283 } 6284 } 6285 } 6286 break; 6287 } 6288 } 6289 return false; 6290 } 6291 6292 bool 6293 ClangASTType::SetValueFromScalar (const Scalar &value, Stream &strm) 6294 { 6295 // Aggregate types don't have scalar values 6296 if (!IsAggregateType ()) 6297 { 6298 strm.GetFlags().Set(Stream::eBinary); 6299 uint64_t count = 0; 6300 lldb::Encoding encoding = GetEncoding (count); 6301 6302 if (encoding == lldb::eEncodingInvalid || count != 1) 6303 return false; 6304 6305 const uint64_t bit_width = GetBitSize(); 6306 // This function doesn't currently handle non-byte aligned assignments 6307 if ((bit_width % 8) != 0) 6308 return false; 6309 6310 const uint64_t byte_size = (bit_width + 7 ) / 8; 6311 switch (encoding) 6312 { 6313 case lldb::eEncodingInvalid: 6314 break; 6315 case lldb::eEncodingVector: 6316 break; 6317 case lldb::eEncodingUint: 6318 switch (byte_size) 6319 { 6320 case 1: strm.PutHex8(value.UInt()); return true; 6321 case 2: strm.PutHex16(value.UInt()); return true; 6322 case 4: strm.PutHex32(value.UInt()); return true; 6323 case 8: strm.PutHex64(value.ULongLong()); return true; 6324 default: 6325 break; 6326 } 6327 break; 6328 6329 case lldb::eEncodingSint: 6330 switch (byte_size) 6331 { 6332 case 1: strm.PutHex8(value.SInt()); return true; 6333 case 2: strm.PutHex16(value.SInt()); return true; 6334 case 4: strm.PutHex32(value.SInt()); return true; 6335 case 8: strm.PutHex64(value.SLongLong()); return true; 6336 default: 6337 break; 6338 } 6339 break; 6340 6341 case lldb::eEncodingIEEE754: 6342 if (byte_size <= sizeof(long double)) 6343 { 6344 if (byte_size == sizeof(float)) 6345 { 6346 strm.PutFloat(value.Float()); 6347 return true; 6348 } 6349 else 6350 if (byte_size == sizeof(double)) 6351 { 6352 strm.PutDouble(value.Double()); 6353 return true; 6354 } 6355 else 6356 if (byte_size == sizeof(long double)) 6357 { 6358 strm.PutDouble(value.LongDouble()); 6359 return true; 6360 } 6361 } 6362 break; 6363 } 6364 } 6365 return false; 6366 } 6367 6368 bool 6369 ClangASTType::ReadFromMemory (lldb_private::ExecutionContext *exe_ctx, 6370 lldb::addr_t addr, 6371 AddressType address_type, 6372 lldb_private::DataExtractor &data) 6373 { 6374 if (!IsValid()) 6375 return false; 6376 6377 // Can't convert a file address to anything valid without more 6378 // context (which Module it came from) 6379 if (address_type == eAddressTypeFile) 6380 return false; 6381 6382 if (!GetCompleteType()) 6383 return false; 6384 6385 const uint64_t byte_size = GetByteSize(); 6386 if (data.GetByteSize() < byte_size) 6387 { 6388 lldb::DataBufferSP data_sp(new DataBufferHeap (byte_size, '\0')); 6389 data.SetData(data_sp); 6390 } 6391 6392 uint8_t* dst = (uint8_t*)data.PeekData(0, byte_size); 6393 if (dst != NULL) 6394 { 6395 if (address_type == eAddressTypeHost) 6396 { 6397 if (addr == 0) 6398 return false; 6399 // The address is an address in this process, so just copy it 6400 memcpy (dst, (uint8_t*)NULL + addr, byte_size); 6401 return true; 6402 } 6403 else 6404 { 6405 Process *process = NULL; 6406 if (exe_ctx) 6407 process = exe_ctx->GetProcessPtr(); 6408 if (process) 6409 { 6410 Error error; 6411 return process->ReadMemory(addr, dst, byte_size, error) == byte_size; 6412 } 6413 } 6414 } 6415 return false; 6416 } 6417 6418 bool 6419 ClangASTType::WriteToMemory (lldb_private::ExecutionContext *exe_ctx, 6420 lldb::addr_t addr, 6421 AddressType address_type, 6422 StreamString &new_value) 6423 { 6424 if (!IsValid()) 6425 return false; 6426 6427 // Can't convert a file address to anything valid without more 6428 // context (which Module it came from) 6429 if (address_type == eAddressTypeFile) 6430 return false; 6431 6432 if (!GetCompleteType()) 6433 return false; 6434 6435 const uint64_t byte_size = GetByteSize(); 6436 6437 if (byte_size > 0) 6438 { 6439 if (address_type == eAddressTypeHost) 6440 { 6441 // The address is an address in this process, so just copy it 6442 memcpy ((void *)addr, new_value.GetData(), byte_size); 6443 return true; 6444 } 6445 else 6446 { 6447 Process *process = NULL; 6448 if (exe_ctx) 6449 process = exe_ctx->GetProcessPtr(); 6450 if (process) 6451 { 6452 Error error; 6453 return process->WriteMemory(addr, new_value.GetData(), byte_size, error) == byte_size; 6454 } 6455 } 6456 } 6457 return false; 6458 } 6459 6460 6461 //CXXRecordDecl * 6462 //ClangASTType::GetAsCXXRecordDecl (lldb::clang_type_t opaque_clang_qual_type) 6463 //{ 6464 // if (opaque_clang_qual_type) 6465 // return QualType::getFromOpaquePtr(opaque_clang_qual_type)->getAsCXXRecordDecl(); 6466 // return NULL; 6467 //} 6468 6469 bool 6470 lldb_private::operator == (const lldb_private::ClangASTType &lhs, const lldb_private::ClangASTType &rhs) 6471 { 6472 return lhs.GetASTContext() == rhs.GetASTContext() && lhs.GetOpaqueQualType() == rhs.GetOpaqueQualType(); 6473 } 6474 6475 6476 bool 6477 lldb_private::operator != (const lldb_private::ClangASTType &lhs, const lldb_private::ClangASTType &rhs) 6478 { 6479 return lhs.GetASTContext() != rhs.GetASTContext() || lhs.GetOpaqueQualType() != rhs.GetOpaqueQualType(); 6480 } 6481 6482 6483
