1 //==- NativeEnumSymbols.cpp - Native Symbol Enumerator impl ------*- 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/PDB/Native/NativeEnumSymbols.h" 10 11 #include "llvm/DebugInfo/PDB/Native/NativeSession.h" 12 #include "llvm/DebugInfo/PDB/Native/SymbolCache.h" 13 #include "llvm/DebugInfo/PDB/PDBSymbol.h" 14 15 using namespace llvm; 16 using namespace llvm::codeview; 17 using namespace llvm::pdb; 18 19 NativeEnumSymbols::NativeEnumSymbols(NativeSession &PDBSession, 20 std::vector<SymIndexId> Symbols) 21 : Symbols(std::move(Symbols)), Index(0), Session(PDBSession) {} 22 23 uint32_t NativeEnumSymbols::getChildCount() const { 24 return static_cast<uint32_t>(Symbols.size()); 25 } 26 27 std::unique_ptr<PDBSymbol> 28 NativeEnumSymbols::getChildAtIndex(uint32_t N) const { 29 if (N < Symbols.size()) { 30 return Session.getSymbolCache().getSymbolById(Symbols[N]); 31 } 32 return nullptr; 33 } 34 35 std::unique_ptr<PDBSymbol> NativeEnumSymbols::getNext() { 36 return getChildAtIndex(Index++); 37 } 38 39 void NativeEnumSymbols::reset() { Index = 0; } 40