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(Args &input, int &cursor_index, 46 int &cursor_char_position, 47 OptionElementVector &opt_element_vector, 48 int match_start_point, int max_return_elements, 49 bool &word_complete, 50 StringList &matches) override { 51 std::string completion_str(input.GetArgumentAtIndex(cursor_index)); 52 completion_str.erase(cursor_char_position); 53 54 CommandCompletions::InvokeCommonCompletionCallbacks( 55 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 56 completion_str.c_str(), match_start_point, max_return_elements, nullptr, 57 word_complete, matches); 58 return matches.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 const char *path = command.GetArgumentAtIndex(0); 72 73 Error error; 74 75 FileSpec dylib_fspec(path, true); 76 77 if (m_interpreter.GetDebugger().LoadPlugin(dylib_fspec, error)) 78 result.SetStatus(eReturnStatusSuccessFinishResult); 79 else { 80 result.AppendError(error.AsCString()); 81 result.SetStatus(eReturnStatusFailed); 82 } 83 84 return result.Succeeded(); 85 } 86 }; 87 88 CommandObjectPlugin::CommandObjectPlugin(CommandInterpreter &interpreter) 89 : CommandObjectMultiword(interpreter, "plugin", 90 "Commands for managing LLDB plugins.", 91 "plugin <subcommand> [<subcommand-options>]") { 92 LoadSubCommand("load", 93 CommandObjectSP(new CommandObjectPluginLoad(interpreter))); 94 } 95 96 CommandObjectPlugin::~CommandObjectPlugin() = default; 97