source/Interpreter/OptionGroupBoolean.cpp


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//===-- OptionGroupBoolean.cpp ----------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Interpreter/OptionGroupBoolean.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Host/OptionParser.h"

using namespace lldb;
using namespace lldb_private;

OptionGroupBoolean::OptionGroupBoolean(uint32_t usage_mask, bool required,
                                       const char *long_option,
                                       int short_option, const char *usage_text,
                                       bool default_value,
                                       bool no_argument_toggle_default)
    : m_value(default_value, default_value) {
  m_option_definition.usage_mask = usage_mask;
  m_option_definition.required = required;
  m_option_definition.long_option = long_option;
  m_option_definition.short_option = short_option;
  m_option_definition.validator = nullptr;
  m_option_definition.option_has_arg = no_argument_toggle_default
                                           ? OptionParser::eNoArgument
                                           : OptionParser::eRequiredArgument;
  m_option_definition.enum_values = nullptr;
  m_option_definition.completion_type = 0;
  m_option_definition.argument_type = eArgTypeBoolean;
  m_option_definition.usage_text = usage_text;
}

OptionGroupBoolean::~OptionGroupBoolean() {}

Error OptionGroupBoolean::SetOptionValue(uint32_t option_idx,
                                         llvm::StringRef option_value,
                                         ExecutionContext *execution_context) {
  Error error;
  if (m_option_definition.option_has_arg == OptionParser::eNoArgument) {
    // Not argument, toggle the default value and mark the option as having been
    // set
    m_value.SetCurrentValue(!m_value.GetDefaultValue());
    m_value.SetOptionWasSet();
  } else {
    error = m_value.SetValueFromString(option_value);
  }
  return error;
}

void OptionGroupBoolean::OptionParsingStarting(
    ExecutionContext *execution_context) {
  m_value.Clear();
}