1 //===-- CommandObjectPlugin.cpp ---------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // C Includes 11 // C++ Includes 12 // Other libraries and framework includes 13 // Project includes 14 #include "CommandObjectPlugin.h" 15 #include "lldb/Host/Host.h" 16 #include "lldb/Interpreter/CommandInterpreter.h" 17 #include "lldb/Interpreter/CommandReturnObject.h" 18 19 using namespace lldb; 20 using namespace lldb_private; 21 22 class CommandObjectPluginLoad : public CommandObjectParsed { 23 public: 24 CommandObjectPluginLoad(CommandInterpreter &interpreter) 25 : CommandObjectParsed(interpreter, "plugin load", 26 "Import a dylib that implements an LLDB plugin.", 27 nullptr) { 28 CommandArgumentEntry arg1; 29 CommandArgumentData cmd_arg; 30 31 // Define the first (and only) variant of this arg. 32 cmd_arg.arg_type = eArgTypeFilename; 33 cmd_arg.arg_repetition = eArgRepeatPlain; 34 35 // There is only one variant this argument could be; put it into the 36 // argument entry. 37 arg1.push_back(cmd_arg); 38 39 // Push the data for the first argument into the m_arguments vector. 40 m_arguments.push_back(arg1); 41 } 42 43 ~CommandObjectPluginLoad() override = default; 44 45 int HandleArgumentCompletion( 46 CompletionRequest &request, 47 OptionElementVector &opt_element_vector) override { 48 CommandCompletions::InvokeCommonCompletionCallbacks( 49 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 50 request, nullptr); 51 return request.GetNumberOfMatches(); 52 } 53 54 protected: 55 bool DoExecute(Args &command, CommandReturnObject &result) override { 56 size_t argc = command.GetArgumentCount(); 57 58 if (argc != 1) { 59 result.AppendError("'plugin load' requires one argument"); 60 result.SetStatus(eReturnStatusFailed); 61 return false; 62 } 63 64 Status error; 65 66 FileSpec dylib_fspec(command[0].ref, true); 67 68 if (m_interpreter.GetDebugger().LoadPlugin(dylib_fspec, error)) 69 result.SetStatus(eReturnStatusSuccessFinishResult); 70 else { 71 result.AppendError(error.AsCString()); 72 result.SetStatus(eReturnStatusFailed); 73 } 74 75 return result.Succeeded(); 76 } 77 }; 78 79 CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter) 80 : CommandObjectMultiword(interpreter, "plugin", 81 "Commands for managing LLDB plugins.", 82 "plugin <subcommand> [<subcommand-options>]") { 83 LoadSubCommand("load", 84 CommandObjectSP(new CommandObjectPluginLoad(interpreter))); 85 } 86 87 CommandObjectPlugin::~CommandObjectPlugin() = default; 88