lldb/source/Interpreter/OptionGroupOutputFile.cpp

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