xref: /freebsd/contrib/llvm-project/llvm/lib/DebugInfo/PDB/Native/NativeEnumLineNumbers.cpp (revision c989957f28ef5b03f594265612e3437c1e826ed4)
1  //==- NativeEnumLineNumbers.cpp - Native Type 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/NativeEnumLineNumbers.h"
10  
11  #include "llvm/DebugInfo/CodeView/CodeView.h"
12  #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
13  #include "llvm/DebugInfo/PDB/Native/NativeLineNumber.h"
14  
15  #include <vector>
16  
17  using namespace llvm;
18  using namespace llvm::codeview;
19  using namespace llvm::pdb;
20  
21  NativeEnumLineNumbers::NativeEnumLineNumbers(
22      std::vector<NativeLineNumber> LineNums)
23      : Lines(std::move(LineNums)), Index(0) {}
24  
25  uint32_t NativeEnumLineNumbers::getChildCount() const {
26    return static_cast<uint32_t>(Lines.size());
27  }
28  
29  std::unique_ptr<IPDBLineNumber>
30  NativeEnumLineNumbers::getChildAtIndex(uint32_t N) const {
31    if (N >= getChildCount())
32      return nullptr;
33    return std::make_unique<NativeLineNumber>(Lines[N]);
34  }
35  
36  std::unique_ptr<IPDBLineNumber> NativeEnumLineNumbers::getNext() {
37    return getChildAtIndex(Index++);
38  }
39  
40  void NativeEnumLineNumbers::reset() { Index = 0; }
41