OptionGroupBoolean.cpp revision 344779 
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#include "lldb/Host/OptionParser.h"
13
14using namespace lldb;
15using namespace lldb_private;
16
17OptionGroupBoolean::OptionGroupBoolean(uint32_t usage_mask, bool required,
18                                       const char *long_option,
19                                       int short_option, const char *usage_text,
20                                       bool default_value,
21                                       bool no_argument_toggle_default)
22    : m_value(default_value, default_value) {
23  m_option_definition.usage_mask = usage_mask;
24  m_option_definition.required = required;
25  m_option_definition.long_option = long_option;
26  m_option_definition.short_option = short_option;
27  m_option_definition.validator = nullptr;
28  m_option_definition.option_has_arg = no_argument_toggle_default
29                                           ? OptionParser::eNoArgument
30                                           : OptionParser::eRequiredArgument;
31  m_option_definition.enum_values = {};
32  m_option_definition.completion_type = 0;
33  m_option_definition.argument_type = eArgTypeBoolean;
34  m_option_definition.usage_text = usage_text;
35}
36
37OptionGroupBoolean::~OptionGroupBoolean() {}
38
39Status OptionGroupBoolean::SetOptionValue(uint32_t option_idx,
40                                          llvm::StringRef option_value,
41                                          ExecutionContext *execution_context) {
42  Status error;
43  if (m_option_definition.option_has_arg == OptionParser::eNoArgument) {
44    // Not argument, toggle the default value and mark the option as having
45    // been set
46    m_value.SetCurrentValue(!m_value.GetDefaultValue());
47    m_value.SetOptionWasSet();
48  } else {
49    error = m_value.SetValueFromString(option_value);
50  }
51  return error;
52}
53
54void OptionGroupBoolean::OptionParsingStarting(
55    ExecutionContext *execution_context) {
56  m_value.Clear();
57}
58