1 //===-- CommandObjectWatchpointCommand.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 #include <vector> 13 14 // Other libraries and framework includes 15 // Project includes 16 #include "CommandObjectWatchpoint.h" 17 #include "CommandObjectWatchpointCommand.h" 18 #include "lldb/Breakpoint/StoppointCallbackContext.h" 19 #include "lldb/Breakpoint/Watchpoint.h" 20 #include "lldb/Core/IOHandler.h" 21 #include "lldb/Core/State.h" 22 #include "lldb/Interpreter/CommandInterpreter.h" 23 #include "lldb/Interpreter/CommandReturnObject.h" 24 #include "lldb/Target/Target.h" 25 #include "lldb/Target/Thread.h" 26 27 using namespace lldb; 28 using namespace lldb_private; 29 30 //------------------------------------------------------------------------- 31 // CommandObjectWatchpointCommandAdd 32 //------------------------------------------------------------------------- 33 34 class CommandObjectWatchpointCommandAdd : public CommandObjectParsed, 35 public IOHandlerDelegateMultiline { 36 public: 37 CommandObjectWatchpointCommandAdd(CommandInterpreter &interpreter) 38 : CommandObjectParsed(interpreter, "add", 39 "Add a set of LLDB commands to a watchpoint, to be " 40 "executed whenever the watchpoint is hit.", 41 nullptr), 42 IOHandlerDelegateMultiline("DONE", 43 IOHandlerDelegate::Completion::LLDBCommand), 44 m_options() { 45 SetHelpLong( 46 R"( 47 General information about entering watchpoint commands 48 ------------------------------------------------------ 49 50 )" 51 "This command will prompt for commands to be executed when the specified \ 52 watchpoint is hit. Each command is typed on its own line following the '> ' \ 53 prompt until 'DONE' is entered." 54 R"( 55 56 )" 57 "Syntactic errors may not be detected when initially entered, and many \ 58 malformed commands can silently fail when executed. If your watchpoint commands \ 59 do not appear to be executing, double-check the command syntax." 60 R"( 61 62 )" 63 "Note: You may enter any debugger command exactly as you would at the debugger \ 64 prompt. There is no limit to the number of commands supplied, but do NOT enter \ 65 more than one command per line." 66 R"( 67 68 Special information about PYTHON watchpoint commands 69 ---------------------------------------------------- 70 71 )" 72 "You may enter either one or more lines of Python, including function \ 73 definitions or calls to functions that will have been imported by the time \ 74 the code executes. Single line watchpoint commands will be interpreted 'as is' \ 75 when the watchpoint is hit. Multiple lines of Python will be wrapped in a \ 76 generated function, and a call to the function will be attached to the watchpoint." 77 R"( 78 79 This auto-generated function is passed in three arguments: 80 81 frame: an lldb.SBFrame object for the frame which hit the watchpoint. 82 83 wp: the watchpoint that was hit. 84 85 )" 86 "When specifying a python function with the --python-function option, you need \ 87 to supply the function name prepended by the module name:" 88 R"( 89 90 --python-function myutils.watchpoint_callback 91 92 The function itself must have the following prototype: 93 94 def watchpoint_callback(frame, wp): 95 # Your code goes here 96 97 )" 98 "The arguments are the same as the arguments passed to generated functions as \ 99 described above. Note that the global variable 'lldb.frame' will NOT be updated when \ 100 this function is called, so be sure to use the 'frame' argument. The 'frame' argument \ 101 can get you to the thread via frame.GetThread(), the thread can get you to the \ 102 process via thread.GetProcess(), and the process can get you back to the target \ 103 via process.GetTarget()." 104 R"( 105 106 )" 107 "Important Note: As Python code gets collected into functions, access to global \ 108 variables requires explicit scoping using the 'global' keyword. Be sure to use correct \ 109 Python syntax, including indentation, when entering Python watchpoint commands." 110 R"( 111 112 Example Python one-line watchpoint command: 113 114 (lldb) watchpoint command add -s python 1 115 Enter your Python command(s). Type 'DONE' to end. 116 > print "Hit this watchpoint!" 117 > DONE 118 119 As a convenience, this also works for a short Python one-liner: 120 121 (lldb) watchpoint command add -s python 1 -o 'import time; print time.asctime()' 122 (lldb) run 123 Launching '.../a.out' (x86_64) 124 (lldb) Fri Sep 10 12:17:45 2010 125 Process 21778 Stopped 126 * thread #1: tid = 0x2e03, 0x0000000100000de8 a.out`c + 7 at main.c:39, stop reason = watchpoint 1.1, queue = com.apple.main-thread 127 36 128 37 int c(int val) 129 38 { 130 39 -> return val + 3; 131 40 } 132 41 133 42 int main (int argc, char const *argv[]) 134 135 Example multiple line Python watchpoint command, using function definition: 136 137 (lldb) watchpoint command add -s python 1 138 Enter your Python command(s). Type 'DONE' to end. 139 > def watchpoint_output (wp_no): 140 > out_string = "Hit watchpoint number " + repr (wp_no) 141 > print out_string 142 > return True 143 > watchpoint_output (1) 144 > DONE 145 146 Example multiple line Python watchpoint command, using 'loose' Python: 147 148 (lldb) watchpoint command add -s p 1 149 Enter your Python command(s). Type 'DONE' to end. 150 > global wp_count 151 > wp_count = wp_count + 1 152 > print "Hit this watchpoint " + repr(wp_count) + " times!" 153 > DONE 154 155 )" 156 "In this case, since there is a reference to a global variable, \ 157 'wp_count', you will also need to make sure 'wp_count' exists and is \ 158 initialized:" 159 R"( 160 161 (lldb) script 162 >>> wp_count = 0 163 >>> quit() 164 165 )" 166 "Final Note: A warning that no watchpoint command was generated when there \ 167 are no syntax errors may indicate that a function was declared but never called."); 168 169 CommandArgumentEntry arg; 170 CommandArgumentData wp_id_arg; 171 172 // Define the first (and only) variant of this arg. 173 wp_id_arg.arg_type = eArgTypeWatchpointID; 174 wp_id_arg.arg_repetition = eArgRepeatPlain; 175 176 // There is only one variant this argument could be; put it into the 177 // argument entry. 178 arg.push_back(wp_id_arg); 179 180 // Push the data for the first argument into the m_arguments vector. 181 m_arguments.push_back(arg); 182 } 183 184 ~CommandObjectWatchpointCommandAdd() override = default; 185 186 Options *GetOptions() override { return &m_options; } 187 188 void IOHandlerActivated(IOHandler &io_handler) override { 189 StreamFileSP output_sp(io_handler.GetOutputStreamFile()); 190 if (output_sp) { 191 output_sp->PutCString( 192 "Enter your debugger command(s). Type 'DONE' to end.\n"); 193 output_sp->Flush(); 194 } 195 } 196 197 void IOHandlerInputComplete(IOHandler &io_handler, 198 std::string &line) override { 199 io_handler.SetIsDone(true); 200 201 // The WatchpointOptions object is owned by the watchpoint or watchpoint 202 // location 203 WatchpointOptions *wp_options = 204 (WatchpointOptions *)io_handler.GetUserData(); 205 if (wp_options) { 206 std::unique_ptr<WatchpointOptions::CommandData> data_ap( 207 new WatchpointOptions::CommandData()); 208 if (data_ap) { 209 data_ap->user_source.SplitIntoLines(line); 210 BatonSP baton_sp( 211 new WatchpointOptions::CommandBaton(data_ap.release())); 212 wp_options->SetCallback(WatchpointOptionsCallbackFunction, baton_sp); 213 } 214 } 215 } 216 217 void CollectDataForWatchpointCommandCallback(WatchpointOptions *wp_options, 218 CommandReturnObject &result) { 219 m_interpreter.GetLLDBCommandsFromIOHandler( 220 "> ", // Prompt 221 *this, // IOHandlerDelegate 222 true, // Run IOHandler in async mode 223 wp_options); // Baton for the "io_handler" that will be passed back into 224 // our IOHandlerDelegate functions 225 } 226 227 /// Set a one-liner as the callback for the watchpoint. 228 void SetWatchpointCommandCallback(WatchpointOptions *wp_options, 229 const char *oneliner) { 230 std::unique_ptr<WatchpointOptions::CommandData> data_ap( 231 new WatchpointOptions::CommandData()); 232 233 // It's necessary to set both user_source and script_source to the oneliner. 234 // The former is used to generate callback description (as in watchpoint 235 // command list) 236 // while the latter is used for Python to interpret during the actual 237 // callback. 238 data_ap->user_source.AppendString(oneliner); 239 data_ap->script_source.assign(oneliner); 240 data_ap->stop_on_error = m_options.m_stop_on_error; 241 242 BatonSP baton_sp(new WatchpointOptions::CommandBaton(data_ap.release())); 243 wp_options->SetCallback(WatchpointOptionsCallbackFunction, baton_sp); 244 } 245 246 static bool 247 WatchpointOptionsCallbackFunction(void *baton, 248 StoppointCallbackContext *context, 249 lldb::user_id_t watch_id) { 250 bool ret_value = true; 251 if (baton == nullptr) 252 return true; 253 254 WatchpointOptions::CommandData *data = 255 (WatchpointOptions::CommandData *)baton; 256 StringList &commands = data->user_source; 257 258 if (commands.GetSize() > 0) { 259 ExecutionContext exe_ctx(context->exe_ctx_ref); 260 Target *target = exe_ctx.GetTargetPtr(); 261 if (target) { 262 CommandReturnObject result; 263 Debugger &debugger = target->GetDebugger(); 264 // Rig up the results secondary output stream to the debugger's, so the 265 // output will come out synchronously 266 // if the debugger is set up that way. 267 268 StreamSP output_stream(debugger.GetAsyncOutputStream()); 269 StreamSP error_stream(debugger.GetAsyncErrorStream()); 270 result.SetImmediateOutputStream(output_stream); 271 result.SetImmediateErrorStream(error_stream); 272 273 CommandInterpreterRunOptions options; 274 options.SetStopOnContinue(true); 275 options.SetStopOnError(data->stop_on_error); 276 options.SetEchoCommands(false); 277 options.SetPrintResults(true); 278 options.SetAddToHistory(false); 279 280 debugger.GetCommandInterpreter().HandleCommands(commands, &exe_ctx, 281 options, result); 282 result.GetImmediateOutputStream()->Flush(); 283 result.GetImmediateErrorStream()->Flush(); 284 } 285 } 286 return ret_value; 287 } 288 289 class CommandOptions : public Options { 290 public: 291 CommandOptions() 292 : Options(), m_use_commands(false), m_use_script_language(false), 293 m_script_language(eScriptLanguageNone), m_use_one_liner(false), 294 m_one_liner(), m_function_name() {} 295 296 ~CommandOptions() override = default; 297 298 Error SetOptionValue(uint32_t option_idx, const char *option_arg, 299 ExecutionContext *execution_context) override { 300 Error error; 301 const int short_option = m_getopt_table[option_idx].val; 302 303 switch (short_option) { 304 case 'o': 305 m_use_one_liner = true; 306 m_one_liner = option_arg; 307 break; 308 309 case 's': 310 m_script_language = (lldb::ScriptLanguage)Args::StringToOptionEnum( 311 option_arg, g_option_table[option_idx].enum_values, 312 eScriptLanguageNone, error); 313 314 m_use_script_language = (m_script_language == eScriptLanguagePython || 315 m_script_language == eScriptLanguageDefault); 316 break; 317 318 case 'e': { 319 bool success = false; 320 m_stop_on_error = Args::StringToBoolean(option_arg, false, &success); 321 if (!success) 322 error.SetErrorStringWithFormat( 323 "invalid value for stop-on-error: \"%s\"", option_arg); 324 } break; 325 326 case 'F': 327 m_use_one_liner = false; 328 m_use_script_language = true; 329 m_function_name.assign(option_arg); 330 break; 331 332 default: 333 break; 334 } 335 return error; 336 } 337 338 void OptionParsingStarting(ExecutionContext *execution_context) override { 339 m_use_commands = true; 340 m_use_script_language = false; 341 m_script_language = eScriptLanguageNone; 342 343 m_use_one_liner = false; 344 m_stop_on_error = true; 345 m_one_liner.clear(); 346 m_function_name.clear(); 347 } 348 349 const OptionDefinition *GetDefinitions() override { return g_option_table; } 350 351 // Options table: Required for subclasses of Options. 352 353 static OptionDefinition g_option_table[]; 354 355 // Instance variables to hold the values for command options. 356 357 bool m_use_commands; 358 bool m_use_script_language; 359 lldb::ScriptLanguage m_script_language; 360 361 // Instance variables to hold the values for one_liner options. 362 bool m_use_one_liner; 363 std::string m_one_liner; 364 bool m_stop_on_error; 365 std::string m_function_name; 366 }; 367 368 protected: 369 bool DoExecute(Args &command, CommandReturnObject &result) override { 370 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 371 372 if (target == nullptr) { 373 result.AppendError("There is not a current executable; there are no " 374 "watchpoints to which to add commands"); 375 result.SetStatus(eReturnStatusFailed); 376 return false; 377 } 378 379 const WatchpointList &watchpoints = target->GetWatchpointList(); 380 size_t num_watchpoints = watchpoints.GetSize(); 381 382 if (num_watchpoints == 0) { 383 result.AppendError("No watchpoints exist to have commands added"); 384 result.SetStatus(eReturnStatusFailed); 385 return false; 386 } 387 388 if (!m_options.m_use_script_language && 389 !m_options.m_function_name.empty()) { 390 result.AppendError("need to enable scripting to have a function run as a " 391 "watchpoint command"); 392 result.SetStatus(eReturnStatusFailed); 393 return false; 394 } 395 396 std::vector<uint32_t> valid_wp_ids; 397 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 398 valid_wp_ids)) { 399 result.AppendError("Invalid watchpoints specification."); 400 result.SetStatus(eReturnStatusFailed); 401 return false; 402 } 403 404 result.SetStatus(eReturnStatusSuccessFinishNoResult); 405 const size_t count = valid_wp_ids.size(); 406 for (size_t i = 0; i < count; ++i) { 407 uint32_t cur_wp_id = valid_wp_ids.at(i); 408 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 409 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 410 // Sanity check wp first. 411 if (wp == nullptr) 412 continue; 413 414 WatchpointOptions *wp_options = wp->GetOptions(); 415 // Skip this watchpoint if wp_options is not good. 416 if (wp_options == nullptr) 417 continue; 418 419 // If we are using script language, get the script interpreter 420 // in order to set or collect command callback. Otherwise, call 421 // the methods associated with this object. 422 if (m_options.m_use_script_language) { 423 // Special handling for one-liner specified inline. 424 if (m_options.m_use_one_liner) { 425 m_interpreter.GetScriptInterpreter()->SetWatchpointCommandCallback( 426 wp_options, m_options.m_one_liner.c_str()); 427 } 428 // Special handling for using a Python function by name 429 // instead of extending the watchpoint callback data structures, we 430 // just automatize 431 // what the user would do manually: make their watchpoint command be a 432 // function call 433 else if (!m_options.m_function_name.empty()) { 434 std::string oneliner(m_options.m_function_name); 435 oneliner += "(frame, wp, internal_dict)"; 436 m_interpreter.GetScriptInterpreter()->SetWatchpointCommandCallback( 437 wp_options, oneliner.c_str()); 438 } else { 439 m_interpreter.GetScriptInterpreter() 440 ->CollectDataForWatchpointCommandCallback(wp_options, result); 441 } 442 } else { 443 // Special handling for one-liner specified inline. 444 if (m_options.m_use_one_liner) 445 SetWatchpointCommandCallback(wp_options, 446 m_options.m_one_liner.c_str()); 447 else 448 CollectDataForWatchpointCommandCallback(wp_options, result); 449 } 450 } 451 } 452 453 return result.Succeeded(); 454 } 455 456 private: 457 CommandOptions m_options; 458 }; 459 460 // FIXME: "script-type" needs to have its contents determined dynamically, so 461 // somebody can add a new scripting 462 // language to lldb and have it pickable here without having to change this 463 // enumeration by hand and rebuild lldb proper. 464 465 static OptionEnumValueElement g_script_option_enumeration[4] = { 466 {eScriptLanguageNone, "command", 467 "Commands are in the lldb command interpreter language"}, 468 {eScriptLanguagePython, "python", "Commands are in the Python language."}, 469 {eSortOrderByName, "default-script", 470 "Commands are in the default scripting language."}, 471 {0, nullptr, nullptr}}; 472 473 OptionDefinition 474 CommandObjectWatchpointCommandAdd::CommandOptions::g_option_table[] = { 475 // clang-format off 476 {LLDB_OPT_SET_1, false, "one-liner", 'o', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeOneLiner, "Specify a one-line watchpoint command inline. Be sure to surround it with quotes."}, 477 {LLDB_OPT_SET_ALL, false, "stop-on-error", 'e', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypeBoolean, "Specify whether watchpoint command execution should terminate on error."}, 478 {LLDB_OPT_SET_ALL, false, "script-type", 's', OptionParser::eRequiredArgument, nullptr, g_script_option_enumeration, 0, eArgTypeNone, "Specify the language for the commands - if none is specified, the lldb command interpreter will be used."}, 479 {LLDB_OPT_SET_2, false, "python-function", 'F', OptionParser::eRequiredArgument, nullptr, nullptr, 0, eArgTypePythonFunction, "Give the name of a Python function to run as command for this watchpoint. Be sure to give a module name if appropriate."}, 480 {0, false, nullptr, 0, 0, nullptr, nullptr, 0, eArgTypeNone, nullptr } 481 // clang-format on 482 }; 483 484 //------------------------------------------------------------------------- 485 // CommandObjectWatchpointCommandDelete 486 //------------------------------------------------------------------------- 487 488 class CommandObjectWatchpointCommandDelete : public CommandObjectParsed { 489 public: 490 CommandObjectWatchpointCommandDelete(CommandInterpreter &interpreter) 491 : CommandObjectParsed(interpreter, "delete", 492 "Delete the set of commands from a watchpoint.", 493 nullptr) { 494 CommandArgumentEntry arg; 495 CommandArgumentData wp_id_arg; 496 497 // Define the first (and only) variant of this arg. 498 wp_id_arg.arg_type = eArgTypeWatchpointID; 499 wp_id_arg.arg_repetition = eArgRepeatPlain; 500 501 // There is only one variant this argument could be; put it into the 502 // argument entry. 503 arg.push_back(wp_id_arg); 504 505 // Push the data for the first argument into the m_arguments vector. 506 m_arguments.push_back(arg); 507 } 508 509 ~CommandObjectWatchpointCommandDelete() override = default; 510 511 protected: 512 bool DoExecute(Args &command, CommandReturnObject &result) override { 513 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 514 515 if (target == nullptr) { 516 result.AppendError("There is not a current executable; there are no " 517 "watchpoints from which to delete commands"); 518 result.SetStatus(eReturnStatusFailed); 519 return false; 520 } 521 522 const WatchpointList &watchpoints = target->GetWatchpointList(); 523 size_t num_watchpoints = watchpoints.GetSize(); 524 525 if (num_watchpoints == 0) { 526 result.AppendError("No watchpoints exist to have commands deleted"); 527 result.SetStatus(eReturnStatusFailed); 528 return false; 529 } 530 531 if (command.GetArgumentCount() == 0) { 532 result.AppendError( 533 "No watchpoint specified from which to delete the commands"); 534 result.SetStatus(eReturnStatusFailed); 535 return false; 536 } 537 538 std::vector<uint32_t> valid_wp_ids; 539 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 540 valid_wp_ids)) { 541 result.AppendError("Invalid watchpoints specification."); 542 result.SetStatus(eReturnStatusFailed); 543 return false; 544 } 545 546 result.SetStatus(eReturnStatusSuccessFinishNoResult); 547 const size_t count = valid_wp_ids.size(); 548 for (size_t i = 0; i < count; ++i) { 549 uint32_t cur_wp_id = valid_wp_ids.at(i); 550 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 551 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 552 if (wp) 553 wp->ClearCallback(); 554 } else { 555 result.AppendErrorWithFormat("Invalid watchpoint ID: %u.\n", cur_wp_id); 556 result.SetStatus(eReturnStatusFailed); 557 return false; 558 } 559 } 560 return result.Succeeded(); 561 } 562 }; 563 564 //------------------------------------------------------------------------- 565 // CommandObjectWatchpointCommandList 566 //------------------------------------------------------------------------- 567 568 class CommandObjectWatchpointCommandList : public CommandObjectParsed { 569 public: 570 CommandObjectWatchpointCommandList(CommandInterpreter &interpreter) 571 : CommandObjectParsed(interpreter, "list", "List the script or set of " 572 "commands to be executed when " 573 "the watchpoint is hit.", 574 nullptr) { 575 CommandArgumentEntry arg; 576 CommandArgumentData wp_id_arg; 577 578 // Define the first (and only) variant of this arg. 579 wp_id_arg.arg_type = eArgTypeWatchpointID; 580 wp_id_arg.arg_repetition = eArgRepeatPlain; 581 582 // There is only one variant this argument could be; put it into the 583 // argument entry. 584 arg.push_back(wp_id_arg); 585 586 // Push the data for the first argument into the m_arguments vector. 587 m_arguments.push_back(arg); 588 } 589 590 ~CommandObjectWatchpointCommandList() override = default; 591 592 protected: 593 bool DoExecute(Args &command, CommandReturnObject &result) override { 594 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 595 596 if (target == nullptr) { 597 result.AppendError("There is not a current executable; there are no " 598 "watchpoints for which to list commands"); 599 result.SetStatus(eReturnStatusFailed); 600 return false; 601 } 602 603 const WatchpointList &watchpoints = target->GetWatchpointList(); 604 size_t num_watchpoints = watchpoints.GetSize(); 605 606 if (num_watchpoints == 0) { 607 result.AppendError("No watchpoints exist for which to list commands"); 608 result.SetStatus(eReturnStatusFailed); 609 return false; 610 } 611 612 if (command.GetArgumentCount() == 0) { 613 result.AppendError( 614 "No watchpoint specified for which to list the commands"); 615 result.SetStatus(eReturnStatusFailed); 616 return false; 617 } 618 619 std::vector<uint32_t> valid_wp_ids; 620 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 621 valid_wp_ids)) { 622 result.AppendError("Invalid watchpoints specification."); 623 result.SetStatus(eReturnStatusFailed); 624 return false; 625 } 626 627 result.SetStatus(eReturnStatusSuccessFinishNoResult); 628 const size_t count = valid_wp_ids.size(); 629 for (size_t i = 0; i < count; ++i) { 630 uint32_t cur_wp_id = valid_wp_ids.at(i); 631 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 632 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 633 634 if (wp) { 635 const WatchpointOptions *wp_options = wp->GetOptions(); 636 if (wp_options) { 637 // Get the callback baton associated with the current watchpoint. 638 const Baton *baton = wp_options->GetBaton(); 639 if (baton) { 640 result.GetOutputStream().Printf("Watchpoint %u:\n", cur_wp_id); 641 result.GetOutputStream().IndentMore(); 642 baton->GetDescription(&result.GetOutputStream(), 643 eDescriptionLevelFull); 644 result.GetOutputStream().IndentLess(); 645 } else { 646 result.AppendMessageWithFormat( 647 "Watchpoint %u does not have an associated command.\n", 648 cur_wp_id); 649 } 650 } 651 result.SetStatus(eReturnStatusSuccessFinishResult); 652 } else { 653 result.AppendErrorWithFormat("Invalid watchpoint ID: %u.\n", 654 cur_wp_id); 655 result.SetStatus(eReturnStatusFailed); 656 } 657 } 658 } 659 660 return result.Succeeded(); 661 } 662 }; 663 664 //------------------------------------------------------------------------- 665 // CommandObjectWatchpointCommand 666 //------------------------------------------------------------------------- 667 668 CommandObjectWatchpointCommand::CommandObjectWatchpointCommand( 669 CommandInterpreter &interpreter) 670 : CommandObjectMultiword( 671 interpreter, "command", 672 "Commands for adding, removing and examining LLDB commands " 673 "executed when the watchpoint is hit (watchpoint 'commmands').", 674 "command <sub-command> [<sub-command-options>] <watchpoint-id>") { 675 CommandObjectSP add_command_object( 676 new CommandObjectWatchpointCommandAdd(interpreter)); 677 CommandObjectSP delete_command_object( 678 new CommandObjectWatchpointCommandDelete(interpreter)); 679 CommandObjectSP list_command_object( 680 new CommandObjectWatchpointCommandList(interpreter)); 681 682 add_command_object->SetCommandName("watchpoint command add"); 683 delete_command_object->SetCommandName("watchpoint command delete"); 684 list_command_object->SetCommandName("watchpoint command list"); 685 686 LoadSubCommand("add", add_command_object); 687 LoadSubCommand("delete", delete_command_object); 688 LoadSubCommand("list", list_command_object); 689 } 690 691 CommandObjectWatchpointCommand::~CommandObjectWatchpointCommand() = default; 692