1*9880d681SAndroid Build Coastguard Worker //==- DIAEnumSymbols.cpp - DIA Symbol Enumerator impl ------------*- C++ -*-==//
2*9880d681SAndroid Build Coastguard Worker //
3*9880d681SAndroid Build Coastguard Worker // The LLVM Compiler Infrastructure
4*9880d681SAndroid Build Coastguard Worker //
5*9880d681SAndroid Build Coastguard Worker // This file is distributed under the University of Illinois Open Source
6*9880d681SAndroid Build Coastguard Worker // License. See LICENSE.TXT for details.
7*9880d681SAndroid Build Coastguard Worker //
8*9880d681SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker #include "llvm/DebugInfo/PDB/PDBSymbol.h"
11*9880d681SAndroid Build Coastguard Worker #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h"
12*9880d681SAndroid Build Coastguard Worker #include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
13*9880d681SAndroid Build Coastguard Worker #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker using namespace llvm;
16*9880d681SAndroid Build Coastguard Worker using namespace llvm::pdb;
17*9880d681SAndroid Build Coastguard Worker
DIAEnumSymbols(const DIASession & PDBSession,CComPtr<IDiaEnumSymbols> DiaEnumerator)18*9880d681SAndroid Build Coastguard Worker DIAEnumSymbols::DIAEnumSymbols(const DIASession &PDBSession,
19*9880d681SAndroid Build Coastguard Worker CComPtr<IDiaEnumSymbols> DiaEnumerator)
20*9880d681SAndroid Build Coastguard Worker : Session(PDBSession), Enumerator(DiaEnumerator) {}
21*9880d681SAndroid Build Coastguard Worker
getChildCount() const22*9880d681SAndroid Build Coastguard Worker uint32_t DIAEnumSymbols::getChildCount() const {
23*9880d681SAndroid Build Coastguard Worker LONG Count = 0;
24*9880d681SAndroid Build Coastguard Worker return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
25*9880d681SAndroid Build Coastguard Worker }
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Worker std::unique_ptr<PDBSymbol>
getChildAtIndex(uint32_t Index) const28*9880d681SAndroid Build Coastguard Worker DIAEnumSymbols::getChildAtIndex(uint32_t Index) const {
29*9880d681SAndroid Build Coastguard Worker CComPtr<IDiaSymbol> Item;
30*9880d681SAndroid Build Coastguard Worker if (S_OK != Enumerator->Item(Index, &Item))
31*9880d681SAndroid Build Coastguard Worker return nullptr;
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Worker std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item));
34*9880d681SAndroid Build Coastguard Worker return std::unique_ptr<PDBSymbol>(PDBSymbol::create(Session, std::move(RawSymbol)));
35*9880d681SAndroid Build Coastguard Worker }
36*9880d681SAndroid Build Coastguard Worker
getNext()37*9880d681SAndroid Build Coastguard Worker std::unique_ptr<PDBSymbol> DIAEnumSymbols::getNext() {
38*9880d681SAndroid Build Coastguard Worker CComPtr<IDiaSymbol> Item;
39*9880d681SAndroid Build Coastguard Worker ULONG NumFetched = 0;
40*9880d681SAndroid Build Coastguard Worker if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
41*9880d681SAndroid Build Coastguard Worker return nullptr;
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Worker std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item));
44*9880d681SAndroid Build Coastguard Worker return std::unique_ptr<PDBSymbol>(
45*9880d681SAndroid Build Coastguard Worker PDBSymbol::create(Session, std::move(RawSymbol)));
46*9880d681SAndroid Build Coastguard Worker }
47*9880d681SAndroid Build Coastguard Worker
reset()48*9880d681SAndroid Build Coastguard Worker void DIAEnumSymbols::reset() { Enumerator->Reset(); }
49*9880d681SAndroid Build Coastguard Worker
clone() const50*9880d681SAndroid Build Coastguard Worker DIAEnumSymbols *DIAEnumSymbols::clone() const {
51*9880d681SAndroid Build Coastguard Worker CComPtr<IDiaEnumSymbols> EnumeratorClone;
52*9880d681SAndroid Build Coastguard Worker if (S_OK != Enumerator->Clone(&EnumeratorClone))
53*9880d681SAndroid Build Coastguard Worker return nullptr;
54*9880d681SAndroid Build Coastguard Worker return new DIAEnumSymbols(Session, EnumeratorClone);
55*9880d681SAndroid Build Coastguard Worker }
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