1 //===- TypeTableCollection.cpp -------------------------------- *- C++ --*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/DebugInfo/CodeView/TypeTableCollection.h" 10 11 #include "llvm/DebugInfo/CodeView/RecordName.h" 12 #include "llvm/DebugInfo/CodeView/TypeIndex.h" 13 #include "llvm/Support/ErrorHandling.h" 14 15 using namespace llvm; 16 using namespace llvm::codeview; 17 18 TypeTableCollection::TypeTableCollection(ArrayRef<ArrayRef<uint8_t>> Records) 19 : NameStorage(Allocator), Records(Records) { 20 Names.resize(Records.size()); 21 } 22 23 std::optional<TypeIndex> TypeTableCollection::getFirst() { 24 if (empty()) 25 return std::nullopt; 26 return TypeIndex::fromArrayIndex(0); 27 } 28 29 std::optional<TypeIndex> TypeTableCollection::getNext(TypeIndex Prev) { 30 assert(contains(Prev)); 31 ++Prev; 32 if (Prev.toArrayIndex() == size()) 33 return std::nullopt; 34 return Prev; 35 } 36 37 CVType TypeTableCollection::getType(TypeIndex Index) { 38 assert(Index.toArrayIndex() < Records.size()); 39 return CVType(Records[Index.toArrayIndex()]); 40 } 41 42 StringRef TypeTableCollection::getTypeName(TypeIndex Index) { 43 if (Index.isNoneType() || Index.isSimple()) 44 return TypeIndex::simpleTypeName(Index); 45 46 uint32_t I = Index.toArrayIndex(); 47 if (Names[I].data() == nullptr) { 48 StringRef Result = NameStorage.save(computeTypeName(*this, Index)); 49 Names[I] = Result; 50 } 51 return Names[I]; 52 } 53 54 bool TypeTableCollection::contains(TypeIndex Index) { 55 return Index.toArrayIndex() <= size(); 56 } 57 58 uint32_t TypeTableCollection::size() { return Records.size(); } 59 60 uint32_t TypeTableCollection::capacity() { return Records.size(); } 61 62 bool TypeTableCollection::replaceType(TypeIndex &Index, CVType Data, 63 bool Stabilize) { 64 llvm_unreachable("Method cannot be called"); 65 } 66