| 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/CodeView.h" |
| 12 | #include "llvm/DebugInfo/CodeView/RecordName.h" |
| 13 | #include "llvm/DebugInfo/CodeView/TypeIndex.h" |
| 14 | #include "llvm/Support/ErrorHandling.h" |
| 15 | |
| 16 | using namespace llvm; |
| 17 | using namespace llvm::codeview; |
| 18 | |
| 19 | TypeTableCollection::TypeTableCollection(ArrayRef<ArrayRef<uint8_t>> Records) |
| 20 | : NameStorage(Allocator), Records(Records) { |
| 21 | Names.resize(new_size: Records.size()); |
| 22 | } |
| 23 | |
| 24 | std::optional<TypeIndex> TypeTableCollection::getFirst() { |
| 25 | if (empty()) |
| 26 | return std::nullopt; |
| 27 | return TypeIndex::fromArrayIndex(Index: 0); |
| 28 | } |
| 29 | |
| 30 | std::optional<TypeIndex> TypeTableCollection::getNext(TypeIndex Prev) { |
| 31 | assert(contains(Prev)); |
| 32 | ++Prev; |
| 33 | if (Prev.toArrayIndex() == size()) |
| 34 | return std::nullopt; |
| 35 | return Prev; |
| 36 | } |
| 37 | |
| 38 | CVType TypeTableCollection::getType(TypeIndex Index) { |
| 39 | assert(Index.toArrayIndex() < Records.size()); |
| 40 | return CVType(Records[Index.toArrayIndex()]); |
| 41 | } |
| 42 | |
| 43 | StringRef TypeTableCollection::getTypeName(TypeIndex Index) { |
| 44 | if (Index.isNoneType() || Index.isSimple()) |
| 45 | return TypeIndex::simpleTypeName(TI: Index); |
| 46 | |
| 47 | uint32_t I = Index.toArrayIndex(); |
| 48 | if (Names[I].data() == nullptr) { |
| 49 | StringRef Result = NameStorage.save(S: computeTypeName(Types&: *this, Index)); |
| 50 | Names[I] = Result; |
| 51 | } |
| 52 | return Names[I]; |
| 53 | } |
| 54 | |
| 55 | bool TypeTableCollection::contains(TypeIndex Index) { |
| 56 | return Index.toArrayIndex() <= size(); |
| 57 | } |
| 58 | |
| 59 | uint32_t TypeTableCollection::size() { return Records.size(); } |
| 60 | |
| 61 | uint32_t TypeTableCollection::capacity() { return Records.size(); } |
| 62 | |
| 63 | bool TypeTableCollection::replaceType(TypeIndex &Index, CVType Data, |
| 64 | bool Stabilize) { |
| 65 | llvm_unreachable("Method cannot be called"); |
| 66 | } |
| 67 |