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

   1 //===-- OptionGroupOutputFile.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/OptionGroupOutputFile.h"
  10
  11 #include "lldb/Host/OptionParser.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 OptionGroupOutputFile::OptionGroupOutputFile()
  17     : m_file(), m_append(false, false) {}
  18
  19 OptionGroupOutputFile::~OptionGroupOutputFile() {}
  20
  21 static const uint32_t SHORT_OPTION_APND = 0x61706e64; // 'apnd'
  22
  23 static constexpr OptionDefinition g_option_table[] = {
  24     {LLDB_OPT_SET_1, false, "outfile", 'o', OptionParser::eRequiredArgument,
  25      nullptr, {}, 0, eArgTypeFilename,
  26      "Specify a path for capturing command output."},
  27     {LLDB_OPT_SET_1, false, "append-outfile", SHORT_OPTION_APND,
  28      OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
  29      "Append to the file specified with '--outfile <path>'."},
  30 };
  31
  32 llvm::ArrayRef<OptionDefinition> OptionGroupOutputFile::GetDefinitions() {
  33   return llvm::makeArrayRef(g_option_table);
  34 }
  35
  36 Status
  37 OptionGroupOutputFile::SetOptionValue(uint32_t option_idx,
  38                                       llvm::StringRef option_arg,
  39                                       ExecutionContext *execution_context) {
  40   Status error;
  41   const int short_option = g_option_table[option_idx].short_option;
  42
  43   switch (short_option) {
  44   case 'o':
  45     error = m_file.SetValueFromString(option_arg);
  46     break;
  47
  48   case SHORT_OPTION_APND:
  49     m_append.SetCurrentValue(true);
  50     break;
  51
  52   default:
  53     error.SetErrorStringWithFormat("unrecognized option '%c'", short_option);
  54     break;
  55   }
  56
  57   return error;
  58 }
  59
  60 void OptionGroupOutputFile::OptionParsingStarting(
  61     ExecutionContext *execution_context) {
  62   m_file.Clear();
  63   m_append.Clear();
  64 }