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 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 OptionGroupBoolean::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 
41 OptionGroupBoolean::~OptionGroupBoolean() {}
42 
43 Status 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 
58 void OptionGroupBoolean::OptionParsingStarting(
59     ExecutionContext *execution_context) {
60   m_value.Clear();
61 }
62