| 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(new_size: Records.size()); |
| 21 | } |
| 22 | |
| 23 | std::optional<TypeIndex> TypeTableCollection::getFirst() { |
| 24 | if (empty()) |
| 25 | return std::nullopt; |
| 26 | return TypeIndex::fromArrayIndex(Index: 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(TI: Index); |
| 45 | |
| 46 | uint32_t I = Index.toArrayIndex(); |
| 47 | if (Names[I].data() == nullptr) { |
| 48 | StringRef Result = NameStorage.save(S: computeTypeName(Types&: *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 |