source/Commands/CommandObjectPlugin.cpp

//===-- CommandObjectPlugin.cpp -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "CommandObjectPlugin.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"

using namespace lldb;
using namespace lldb_private;

class CommandObjectPluginLoad : public CommandObjectParsed {
public:
  CommandObjectPluginLoad(CommandInterpreter &interpreter)
      : CommandObjectParsed(interpreter, "plugin load",
                            "Import a dylib that implements an LLDB plugin.",
                            nullptr) {
    AddSimpleArgumentList(eArgTypeFilename);
  }

  ~CommandObjectPluginLoad() override = default;

protected:
  void DoExecute(Args &command, CommandReturnObject &result) override {
    size_t argc = command.GetArgumentCount();

    if (argc != 1) {
      result.AppendError("'plugin load' requires one argument");
      return;
    }

    Status error;

    FileSpec dylib_fspec(command[0].ref());
    FileSystem::Instance().Resolve(dylib_fspec);

    if (GetDebugger().LoadPlugin(dylib_fspec, error))
      result.SetStatus(eReturnStatusSuccessFinishResult);
    else {
      result.AppendError(error.AsCString());
    }
  }
};

CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter)
    : CommandObjectMultiword(interpreter, "plugin",
                             "Commands for managing LLDB plugins.",
                             "plugin <subcommand> [<subcommand-options>]") {
  LoadSubCommand("load",
                 CommandObjectSP(new CommandObjectPluginLoad(interpreter)));
}

CommandObjectPlugin::~CommandObjectPlugin() = default;