OptionGroupOutputFile.cpp revision 360784 
1//===-- OptionGroupOutputFile.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 "lldb/Interpreter/OptionGroupOutputFile.h"
10
11#include "lldb/Host/OptionParser.h"
12
13using namespace lldb;
14using namespace lldb_private;
15
16OptionGroupOutputFile::OptionGroupOutputFile()
17    : m_file(), m_append(false, false) {}
18
19OptionGroupOutputFile::~OptionGroupOutputFile() {}
20
21static const uint32_t SHORT_OPTION_APND = 0x61706e64; // 'apnd'
22
23static constexpr OptionDefinition g_option_table[] = {
24    {LLDB_OPT_SET_1, false, "outfile", 'o', OptionParser::eRequiredArgument,
25     nullptr, {}, 0, eArgTypeFilename,
26     "Specify a path for capturing command output."},
27    {LLDB_OPT_SET_1, false, "append-outfile", SHORT_OPTION_APND,
28     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
29     "Append to the file specified with '--outfile <path>'."},
30};
31
32llvm::ArrayRef<OptionDefinition> OptionGroupOutputFile::GetDefinitions() {
33  return llvm::makeArrayRef(g_option_table);
34}
35
36Status
37OptionGroupOutputFile::SetOptionValue(uint32_t option_idx,
38                                      llvm::StringRef option_arg,
39                                      ExecutionContext *execution_context) {
40  Status error;
41  const int short_option = g_option_table[option_idx].short_option;
42
43  switch (short_option) {
44  case 'o':
45    error = m_file.SetValueFromString(option_arg);
46    break;
47
48  case SHORT_OPTION_APND:
49    m_append.SetCurrentValue(true);
50    break;
51
52  default:
53    llvm_unreachable("Unimplemented option");
54  }
55
56  return error;
57}
58
59void OptionGroupOutputFile::OptionParsingStarting(
60    ExecutionContext *execution_context) {
61  m_file.Clear();
62  m_append.Clear();
63}
64