lldb/source/Commands/CommandObjectPlugin.cpp

   1 //===-- CommandObjectPlugin.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 "CommandObjectPlugin.h"
  10 #include "lldb/Interpreter/CommandInterpreter.h"
  11 #include "lldb/Interpreter/CommandReturnObject.h"
  12
  13 using namespace lldb;
  14 using namespace lldb_private;
  15
  16 class CommandObjectPluginLoad : public CommandObjectParsed {
  17 public:
  18   CommandObjectPluginLoad(CommandInterpreter &interpreter)
  19       : CommandObjectParsed(interpreter, "plugin load",
  20                             "Import a dylib that implements an LLDB plugin.",
  21                             nullptr) {
  22     AddSimpleArgumentList(eArgTypeFilename);
  23   }
  24
  25   ~CommandObjectPluginLoad() override = default;
  26
  27 protected:
  28   void DoExecute(Args &command, CommandReturnObject &result) override {
  29     size_t argc = command.GetArgumentCount();
  30
  31     if (argc != 1) {
  32       result.AppendError("'plugin load' requires one argument");
  33       return;
  34     }
  35
  36     Status error;
  37
  38     FileSpec dylib_fspec(command[0].ref());
  39     FileSystem::Instance().Resolve(dylib_fspec);
  40
  41     if (GetDebugger().LoadPlugin(dylib_fspec, error))
  42       result.SetStatus(eReturnStatusSuccessFinishResult);
  43     else {
  44       result.AppendError(error.AsCString());
  45     }
  46   }
  47 };
  48
  49 CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter)
  50     : CommandObjectMultiword(interpreter, "plugin",
  51                              "Commands for managing LLDB plugins.",
  52                              "plugin <subcommand> [<subcommand-options>]") {
  53   LoadSubCommand("load",
  54                  CommandObjectSP(new CommandObjectPluginLoad(interpreter)));
  55 }
  56
  57 CommandObjectPlugin::~CommandObjectPlugin() = default;