contrib/llvm-project/lldb/source/Interpreter/OptionGroupBoolean.cpp

   1 //===-- OptionGroupBoolean.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/OptionGroupBoolean.h"
  10
  11 #include "lldb/Host/OptionParser.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 OptionGroupBoolean::OptionGroupBoolean(uint32_t usage_mask, bool required,
  17                                        const char *long_option,
  18                                        int short_option, const char *usage_text,
  19                                        bool default_value,
  20                                        bool no_argument_toggle_default)
  21     : m_value(default_value, default_value) {
  22   m_option_definition.usage_mask = usage_mask;
  23   m_option_definition.required = required;
  24   m_option_definition.long_option = long_option;
  25   m_option_definition.short_option = short_option;
  26   m_option_definition.validator = nullptr;
  27   m_option_definition.option_has_arg = no_argument_toggle_default
  28                                            ? OptionParser::eNoArgument
  29                                            : OptionParser::eRequiredArgument;
  30   m_option_definition.enum_values = {};
  31   m_option_definition.completion_type = 0;
  32   m_option_definition.argument_type = eArgTypeBoolean;
  33   m_option_definition.usage_text = usage_text;
  34 }
  35
  36 OptionGroupBoolean::~OptionGroupBoolean() {}
  37
  38 Status OptionGroupBoolean::SetOptionValue(uint32_t option_idx,
  39                                           llvm::StringRef option_value,
  40                                           ExecutionContext *execution_context) {
  41   Status error;
  42   if (m_option_definition.option_has_arg == OptionParser::eNoArgument) {
  43     // Not argument, toggle the default value and mark the option as having
  44     // been set
  45     m_value.SetCurrentValue(!m_value.GetDefaultValue());
  46     m_value.SetOptionWasSet();
  47   } else {
  48     error = m_value.SetValueFromString(option_value);
  49   }
  50   return error;
  51 }
  52
  53 void OptionGroupBoolean::OptionParsingStarting(
  54     ExecutionContext *execution_context) {
  55   m_value.Clear();
  56 }