contrib/llvm/tools/lldb/source/Interpreter/OptionGroupBoolean.cpp

   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
  17 using namespace lldb;
  18 using namespace lldb_private;
  19
  20 OptionGroupBoolean::OptionGroupBoolean (uint32_t usage_mask,
  21                                         bool required,
  22                                         const char *long_option,
  23                                         int short_option,
  24                                         const char *usage_text,
  25                                         bool default_value,
  26                                         bool no_argument_toggle_default) :
  27     m_value (default_value, default_value)
  28 {
  29     m_option_definition.usage_mask = usage_mask;
  30     m_option_definition.required = required;
  31     m_option_definition.long_option = long_option;
  32     m_option_definition.short_option = short_option;
  33     m_option_definition.option_has_arg = no_argument_toggle_default ? OptionParser::eNoArgument : OptionParser::eRequiredArgument;
  34     m_option_definition.enum_values = NULL;
  35     m_option_definition.completion_type = 0;
  36     m_option_definition.argument_type = eArgTypeBoolean;
  37     m_option_definition.usage_text = usage_text;
  38 }
  39
  40 OptionGroupBoolean::~OptionGroupBoolean ()
  41 {
  42 }
  43
  44 Error
  45 OptionGroupBoolean::SetOptionValue (CommandInterpreter &interpreter,
  46                                     uint32_t option_idx,
  47                                     const char *option_arg)
  48 {
  49     Error error;
  50     if (m_option_definition.option_has_arg == OptionParser::eNoArgument)
  51     {
  52         // Not argument, toggle the default value and mark the option as having been set
  53         m_value.SetCurrentValue (!m_value.GetDefaultValue());
  54         m_value.SetOptionWasSet ();
  55     }
  56     else
  57     {
  58         error = m_value.SetValueFromCString (option_arg);
  59     }
  60     return error;
  61 }
  62
  63 void
  64 OptionGroupBoolean::OptionParsingStarting (CommandInterpreter &interpreter)
  65 {
  66     m_value.Clear();
  67 }