OptionGroupBoolean.cpp revision 341825 
1//===-- OptionGroupBoolean.cpp ----------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "lldb/Interpreter/OptionGroupBoolean.h"
11
12// C Includes
13// C++ Includes
14// Other libraries and framework includes
15// Project includes
16#include "lldb/Host/OptionParser.h"
17
18using namespace lldb;
19using namespace lldb_private;
20
21OptionGroupBoolean::OptionGroupBoolean(uint32_t usage_mask, bool required,
22                                       const char *long_option,
23                                       int short_option, const char *usage_text,
24                                       bool default_value,
25                                       bool no_argument_toggle_default)
26    : m_value(default_value, default_value) {
27  m_option_definition.usage_mask = usage_mask;
28  m_option_definition.required = required;
29  m_option_definition.long_option = long_option;
30  m_option_definition.short_option = short_option;
31  m_option_definition.validator = nullptr;
32  m_option_definition.option_has_arg = no_argument_toggle_default
33                                           ? OptionParser::eNoArgument
34                                           : OptionParser::eRequiredArgument;
35  m_option_definition.enum_values = nullptr;
36  m_option_definition.completion_type = 0;
37  m_option_definition.argument_type = eArgTypeBoolean;
38  m_option_definition.usage_text = usage_text;
39}
40
41OptionGroupBoolean::~OptionGroupBoolean() {}
42
43Status OptionGroupBoolean::SetOptionValue(uint32_t option_idx,
44                                          llvm::StringRef option_value,
45                                          ExecutionContext *execution_context) {
46  Status error;
47  if (m_option_definition.option_has_arg == OptionParser::eNoArgument) {
48    // Not argument, toggle the default value and mark the option as having
49    // been set
50    m_value.SetCurrentValue(!m_value.GetDefaultValue());
51    m_value.SetOptionWasSet();
52  } else {
53    error = m_value.SetValueFromString(option_value);
54  }
55  return error;
56}
57
58void OptionGroupBoolean::OptionParsingStarting(
59    ExecutionContext *execution_context) {
60  m_value.Clear();
61}
62