llvm-project/lldb/source/Interpreter/OptionGroupOutputFile.cpp

//===-- OptionGroupOutputFile.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/OptionGroupOutputFile.h"

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

using namespace lldb;
using namespace lldb_private;

OptionGroupOutputFile::OptionGroupOutputFile() :
    m_file (),
    m_append (false, false)
{
}

OptionGroupOutputFile::~OptionGroupOutputFile ()
{
}

static const uint32_t SHORT_OPTION_APND = 0x61706e64;   // 'apnd'

static OptionDefinition
g_option_table[] =
{
    { LLDB_OPT_SET_1 , false, "outfile", 'o', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeFilename , "Specify a path for capturing command output."},
    { LLDB_OPT_SET_1 , false, "append-outfile" , SHORT_OPTION_APND,
      OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone ,
      "Append to the file specified with '--outfile <path>'."},
};

uint32_t
OptionGroupOutputFile::GetNumDefinitions ()
{
    return llvm::array_lengthof(g_option_table);
}

const OptionDefinition *
OptionGroupOutputFile::GetDefinitions ()
{
    return g_option_table;
}

Error
OptionGroupOutputFile::SetOptionValue(uint32_t option_idx,
                                      const char *option_arg,
                                      ExecutionContext *execution_context)
{
    Error error;
    const int short_option = g_option_table[option_idx].short_option;

    switch (short_option)
    {
        case 'o':
            error = m_file.SetValueFromString (option_arg);
            break;

        case SHORT_OPTION_APND:
            m_append.SetCurrentValue(true);
            break;

        default:
            error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option);
            break;
    }

    return error;
}

void
OptionGroupOutputFile::OptionParsingStarting(
                                            ExecutionContext *execution_context)
{
    m_file.Clear();
    m_append.Clear();
}