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 auto completion_str = request.GetParsedLine()[request.GetCursorIndex()].ref; 49 completion_str = completion_str.take_front(request.GetCursorCharPosition()); 50 51 bool word_complete = request.GetWordComplete(); 52 CommandCompletions::InvokeCommonCompletionCallbacks( 53 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 54 completion_str, request.GetMatchStartPoint(), 55 request.GetMaxReturnElements(), nullptr, word_complete, 56 request.GetMatches()); 57 request.SetWordComplete(word_complete); 58 return request.GetMatches().GetSize(); 59 } 60 61 protected: 62 bool DoExecute(Args &command, CommandReturnObject &result) override { 63 size_t argc = command.GetArgumentCount(); 64 65 if (argc != 1) { 66 result.AppendError("'plugin load' requires one argument"); 67 result.SetStatus(eReturnStatusFailed); 68 return false; 69 } 70 71 Status error; 72 73 FileSpec dylib_fspec(command[0].ref, true); 74 75 if (m_interpreter.GetDebugger().LoadPlugin(dylib_fspec, error)) 76 result.SetStatus(eReturnStatusSuccessFinishResult); 77 else { 78 result.AppendError(error.AsCString()); 79 result.SetStatus(eReturnStatusFailed); 80 } 81 82 return result.Succeeded(); 83 } 84 }; 85 86 CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter) 87 : CommandObjectMultiword(interpreter, "plugin", 88 "Commands for managing LLDB plugins.", 89 "plugin <subcommand> [<subcommand-options>]") { 90 LoadSubCommand("load", 91 CommandObjectSP(new CommandObjectPluginLoad(interpreter))); 92 } 93 94 CommandObjectPlugin::~CommandObjectPlugin() = default; 95