| CXXInheritance.cpp (199482) | CXXInheritance.cpp (200583) |
|---|---|
| 1//===------ CXXInheritance.cpp - C++ Inheritance ----------------*- 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//===----------------------------------------------------------------------===// --- 76 unchanged lines hidden (view full) --- 85bool CXXRecordDecl::isDerivedFrom(CXXRecordDecl *Base, CXXBasePaths &Paths) const { 86 if (getCanonicalDecl() == Base->getCanonicalDecl()) 87 return false; 88 89 Paths.setOrigin(const_cast<CXXRecordDecl*>(this)); 90 return lookupInBases(&FindBaseClass, Base->getCanonicalDecl(), Paths); 91} 92 | 1//===------ CXXInheritance.cpp - C++ Inheritance ----------------*- 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//===----------------------------------------------------------------------===// --- 76 unchanged lines hidden (view full) --- 85bool CXXRecordDecl::isDerivedFrom(CXXRecordDecl *Base, CXXBasePaths &Paths) const { 86 if (getCanonicalDecl() == Base->getCanonicalDecl()) 87 return false; 88 89 Paths.setOrigin(const_cast<CXXRecordDecl*>(this)); 90 return lookupInBases(&FindBaseClass, Base->getCanonicalDecl(), Paths); 91} 92 |
| 93static bool BaseIsNot(const CXXRecordDecl *Base, void *OpaqueTarget) { 94 // OpaqueTarget is a CXXRecordDecl*. 95 return Base->getCanonicalDecl() != (const CXXRecordDecl*) OpaqueTarget; 96} 97 98bool CXXRecordDecl::isProvablyNotDerivedFrom(const CXXRecordDecl *Base) const { 99 return forallBases(BaseIsNot, (void*) Base->getCanonicalDecl()); 100} 101 102bool CXXRecordDecl::forallBases(ForallBasesCallback *BaseMatches, 103 void *OpaqueData, 104 bool AllowShortCircuit) const { 105 ASTContext &Context = getASTContext(); 106 llvm::SmallVector<const CXXRecordDecl*, 8> Queue; 107 108 const CXXRecordDecl *Record = this; 109 bool AllMatches = true; 110 while (true) { 111 for (CXXRecordDecl::base_class_const_iterator 112 I = Record->bases_begin(), E = Record->bases_end(); I != E; ++I) { 113 const RecordType *Ty = I->getType()->getAs<RecordType>(); 114 if (!Ty) { 115 if (AllowShortCircuit) return false; 116 AllMatches = false; 117 continue; 118 } 119 120 CXXRecordDecl *Base = 121 cast_or_null<CXXRecordDecl>(Ty->getDecl()->getDefinition(Context)); 122 if (!Base) { 123 if (AllowShortCircuit) return false; 124 AllMatches = false; 125 continue; 126 } 127 128 Queue.push_back(Base); 129 if (!BaseMatches(Base, OpaqueData)) { 130 if (AllowShortCircuit) return false; 131 AllMatches = false; 132 continue; 133 } 134 } 135 136 if (Queue.empty()) break; 137 Record = Queue.back(); // not actually a queue. 138 Queue.pop_back(); 139 } 140 141 return AllMatches; 142} 143 |
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| 93bool CXXRecordDecl::lookupInBases(BaseMatchesCallback *BaseMatches, 94 void *UserData, 95 CXXBasePaths &Paths) const { 96 bool FoundPath = false; 97 98 ASTContext &Context = getASTContext(); 99 for (base_class_const_iterator BaseSpec = bases_begin(), 100 BaseSpecEnd = bases_end(); BaseSpec != BaseSpecEnd; ++BaseSpec) { --- 145 unchanged lines hidden --- | 144bool CXXRecordDecl::lookupInBases(BaseMatchesCallback *BaseMatches, 145 void *UserData, 146 CXXBasePaths &Paths) const { 147 bool FoundPath = false; 148 149 ASTContext &Context = getASTContext(); 150 for (base_class_const_iterator BaseSpec = bases_begin(), 151 BaseSpecEnd = bases_end(); BaseSpec != BaseSpecEnd; ++BaseSpec) { --- 145 unchanged lines hidden --- |