1 //===-- CommandObjectFrame.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 #include "CommandObjectFrame.h" 11 12 // C Includes 13 // C++ Includes 14 // Other libraries and framework includes 15 // Project includes 16 #include "lldb/Core/Debugger.h" 17 #include "lldb/Core/Module.h" 18 #include "lldb/Core/StreamFile.h" 19 #include "lldb/Core/Timer.h" 20 #include "lldb/Core/Value.h" 21 #include "lldb/Core/ValueObject.h" 22 #include "lldb/Core/ValueObjectVariable.h" 23 #include "lldb/Host/Host.h" 24 #include "lldb/Interpreter/Args.h" 25 #include "lldb/Interpreter/CommandInterpreter.h" 26 #include "lldb/Interpreter/CommandReturnObject.h" 27 #include "lldb/Interpreter/Options.h" 28 #include "lldb/Symbol/ClangASTType.h" 29 #include "lldb/Symbol/ClangASTContext.h" 30 #include "lldb/Symbol/ObjectFile.h" 31 #include "lldb/Symbol/SymbolContext.h" 32 #include "lldb/Symbol/Type.h" 33 #include "lldb/Symbol/Variable.h" 34 #include "lldb/Symbol/VariableList.h" 35 #include "lldb/Target/Process.h" 36 #include "lldb/Target/StackFrame.h" 37 #include "lldb/Target/Thread.h" 38 #include "lldb/Target/Target.h" 39 40 #include "CommandObjectThread.h" 41 42 using namespace lldb; 43 using namespace lldb_private; 44 45 #pragma mark CommandObjectFrameInfo 46 47 //------------------------------------------------------------------------- 48 // CommandObjectFrameInfo 49 //------------------------------------------------------------------------- 50 51 class CommandObjectFrameInfo : public CommandObject 52 { 53 public: 54 55 CommandObjectFrameInfo (CommandInterpreter &interpreter) : 56 CommandObject (interpreter, 57 "frame info", 58 "List information about the currently selected frame in the current thread.", 59 "frame info", 60 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 61 { 62 } 63 64 ~CommandObjectFrameInfo () 65 { 66 } 67 68 bool 69 Execute (Args& command, 70 CommandReturnObject &result) 71 { 72 ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); 73 if (exe_ctx.frame) 74 { 75 exe_ctx.frame->DumpUsingSettingsFormat (&result.GetOutputStream()); 76 result.GetOutputStream().EOL(); 77 result.SetStatus (eReturnStatusSuccessFinishResult); 78 } 79 else 80 { 81 result.AppendError ("no current frame"); 82 result.SetStatus (eReturnStatusFailed); 83 } 84 return result.Succeeded(); 85 } 86 }; 87 88 #pragma mark CommandObjectFrameSelect 89 90 //------------------------------------------------------------------------- 91 // CommandObjectFrameSelect 92 //------------------------------------------------------------------------- 93 94 class CommandObjectFrameSelect : public CommandObject 95 { 96 public: 97 98 class CommandOptions : public Options 99 { 100 public: 101 102 CommandOptions () : 103 Options() 104 { 105 ResetOptionValues (); 106 } 107 108 virtual 109 ~CommandOptions () 110 { 111 } 112 113 virtual Error 114 SetOptionValue (int option_idx, const char *option_arg) 115 { 116 Error error; 117 bool success = false; 118 char short_option = (char) m_getopt_table[option_idx].val; 119 switch (short_option) 120 { 121 case 'r': 122 relative_frame_offset = Args::StringToSInt32 (option_arg, INT32_MIN, 0, &success); 123 if (!success) 124 error.SetErrorStringWithFormat ("invalid frame offset argument '%s'.\n", option_arg); 125 break; 126 127 default: 128 error.SetErrorStringWithFormat ("Invalid short option character '%c'.\n", short_option); 129 break; 130 } 131 132 return error; 133 } 134 135 void 136 ResetOptionValues () 137 { 138 Options::ResetOptionValues(); 139 relative_frame_offset = INT32_MIN; 140 } 141 142 const OptionDefinition* 143 GetDefinitions () 144 { 145 return g_option_table; 146 } 147 148 // Options table: Required for subclasses of Options. 149 150 static OptionDefinition g_option_table[]; 151 int32_t relative_frame_offset; 152 }; 153 154 CommandObjectFrameSelect (CommandInterpreter &interpreter) : 155 CommandObject (interpreter, 156 "frame select", 157 "Select a frame by index from within the current thread and make it the current frame.", 158 NULL, 159 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 160 { 161 CommandArgumentEntry arg; 162 CommandArgumentData index_arg; 163 164 // Define the first (and only) variant of this arg. 165 index_arg.arg_type = eArgTypeFrameIndex; 166 index_arg.arg_repetition = eArgRepeatOptional; 167 168 // There is only one variant this argument could be; put it into the argument entry. 169 arg.push_back (index_arg); 170 171 // Push the data for the first argument into the m_arguments vector. 172 m_arguments.push_back (arg); 173 } 174 175 ~CommandObjectFrameSelect () 176 { 177 } 178 179 virtual 180 Options * 181 GetOptions () 182 { 183 return &m_options; 184 } 185 186 187 bool 188 Execute (Args& command, 189 CommandReturnObject &result) 190 { 191 ExecutionContext exe_ctx (m_interpreter.GetDebugger().GetExecutionContext()); 192 if (exe_ctx.thread) 193 { 194 const uint32_t num_frames = exe_ctx.thread->GetStackFrameCount(); 195 uint32_t frame_idx = UINT32_MAX; 196 if (m_options.relative_frame_offset != INT32_MIN) 197 { 198 // The one and only argument is a signed relative frame index 199 frame_idx = exe_ctx.thread->GetSelectedFrameIndex (); 200 if (frame_idx == UINT32_MAX) 201 frame_idx = 0; 202 203 if (m_options.relative_frame_offset < 0) 204 { 205 if (frame_idx >= -m_options.relative_frame_offset) 206 frame_idx += m_options.relative_frame_offset; 207 else 208 frame_idx = 0; 209 } 210 else if (m_options.relative_frame_offset > 0) 211 { 212 if (num_frames - frame_idx > m_options.relative_frame_offset) 213 frame_idx += m_options.relative_frame_offset; 214 else 215 frame_idx = num_frames - 1; 216 } 217 } 218 else 219 { 220 if (command.GetArgumentCount() == 1) 221 { 222 const char *frame_idx_cstr = command.GetArgumentAtIndex(0); 223 frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0); 224 } 225 else 226 { 227 result.AppendError ("invalid arguments.\n"); 228 m_options.GenerateOptionUsage (m_interpreter, result.GetErrorStream(), this); 229 } 230 } 231 232 if (frame_idx < num_frames) 233 { 234 exe_ctx.thread->SetSelectedFrameByIndex (frame_idx); 235 exe_ctx.frame = exe_ctx.thread->GetSelectedFrame ().get(); 236 237 if (exe_ctx.frame) 238 { 239 bool already_shown = false; 240 SymbolContext frame_sc(exe_ctx.frame->GetSymbolContext(eSymbolContextLineEntry)); 241 if (m_interpreter.GetDebugger().GetUseExternalEditor() && frame_sc.line_entry.file && frame_sc.line_entry.line != 0) 242 { 243 already_shown = Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line); 244 } 245 246 if (DisplayFrameForExecutionContext (exe_ctx.thread, 247 exe_ctx.frame, 248 m_interpreter, 249 result.GetOutputStream(), 250 true, 251 !already_shown, 252 3, 253 3)) 254 { 255 result.SetStatus (eReturnStatusSuccessFinishResult); 256 return result.Succeeded(); 257 } 258 } 259 } 260 result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx); 261 } 262 else 263 { 264 result.AppendError ("no current thread"); 265 } 266 result.SetStatus (eReturnStatusFailed); 267 return false; 268 } 269 protected: 270 271 CommandOptions m_options; 272 }; 273 274 OptionDefinition 275 CommandObjectFrameSelect::CommandOptions::g_option_table[] = 276 { 277 { LLDB_OPT_SET_1, false, "relative", 'r', required_argument, NULL, 0, eArgTypeOffset, "A relative frame index offset from the current frame index."}, 278 { 0, false, NULL, 0, 0, NULL, NULL, eArgTypeNone, NULL } 279 }; 280 281 #pragma mark CommandObjectFrameVariable 282 //---------------------------------------------------------------------- 283 // List images with associated information 284 //---------------------------------------------------------------------- 285 class CommandObjectFrameVariable : public CommandObject 286 { 287 public: 288 289 class CommandOptions : public Options 290 { 291 public: 292 293 CommandOptions () : 294 Options() 295 { 296 ResetOptionValues (); 297 } 298 299 virtual 300 ~CommandOptions () 301 { 302 } 303 304 virtual Error 305 SetOptionValue (int option_idx, const char *option_arg) 306 { 307 Error error; 308 bool success; 309 char short_option = (char) m_getopt_table[option_idx].val; 310 switch (short_option) 311 { 312 case 'o': use_objc = true; break; 313 case 'r': use_regex = true; break; 314 case 'a': show_args = false; break; 315 case 'l': show_locals = false; break; 316 case 'g': show_globals = true; break; 317 case 't': show_types = true; break; 318 case 'y': show_summary = false; break; 319 case 'L': show_location= true; break; 320 case 'c': show_decl = true; break; 321 case 'D': debug = true; break; 322 case 'f': error = Args::StringToFormat(option_arg, format); break; 323 case 'F': flat_output = true; break; 324 case 'd': 325 max_depth = Args::StringToUInt32 (option_arg, UINT32_MAX, 0, &success); 326 if (!success) 327 error.SetErrorStringWithFormat("Invalid max depth '%s'.\n", option_arg); 328 break; 329 330 case 'p': 331 ptr_depth = Args::StringToUInt32 (option_arg, 0, 0, &success); 332 if (!success) 333 error.SetErrorStringWithFormat("Invalid pointer depth '%s'.\n", option_arg); 334 break; 335 336 case 'G': 337 globals.push_back(ConstString (option_arg)); 338 break; 339 340 case 's': 341 show_scope = true; 342 break; 343 344 default: 345 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 346 break; 347 } 348 349 return error; 350 } 351 352 void 353 ResetOptionValues () 354 { 355 Options::ResetOptionValues(); 356 357 use_objc = false; 358 use_regex = false; 359 show_args = true; 360 show_locals = true; 361 show_globals = false; 362 show_types = false; 363 show_scope = false; 364 show_summary = true; 365 show_location = false; 366 show_decl = false; 367 debug = false; 368 flat_output = false; 369 max_depth = UINT32_MAX; 370 ptr_depth = 0; 371 format = eFormatDefault; 372 globals.clear(); 373 } 374 375 const OptionDefinition* 376 GetDefinitions () 377 { 378 return g_option_table; 379 } 380 381 // Options table: Required for subclasses of Options. 382 383 static OptionDefinition g_option_table[]; 384 bool use_objc:1, 385 use_regex:1, 386 show_args:1, 387 show_locals:1, 388 show_globals:1, 389 show_types:1, 390 show_scope:1, 391 show_summary:1, 392 show_location:1, 393 show_decl:1, 394 debug:1, 395 flat_output:1; 396 uint32_t max_depth; // The depth to print when dumping concrete (not pointers) aggreate values 397 uint32_t ptr_depth; // The default depth that is dumped when we find pointers 398 lldb::Format format; // The format to use when dumping variables or children of variables 399 std::vector<ConstString> globals; 400 // Instance variables to hold the values for command options. 401 }; 402 403 CommandObjectFrameVariable (CommandInterpreter &interpreter) : 404 CommandObject (interpreter, 405 "frame variable", 406 "Show frame variables. All argument and local variables " 407 "that are in scope will be shown when no arguments are given. " 408 "If any arguments are specified, they can be names of " 409 "argument, local, file static and file global variables. " 410 "Children of aggregate variables can be specified such as " 411 "'var->child.x'.", 412 NULL, 413 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 414 { 415 CommandArgumentEntry arg; 416 CommandArgumentData var_name_arg; 417 418 // Define the first (and only) variant of this arg. 419 var_name_arg.arg_type = eArgTypeVarName; 420 var_name_arg.arg_repetition = eArgRepeatStar; 421 422 // There is only one variant this argument could be; put it into the argument entry. 423 arg.push_back (var_name_arg); 424 425 // Push the data for the first argument into the m_arguments vector. 426 m_arguments.push_back (arg); 427 } 428 429 virtual 430 ~CommandObjectFrameVariable () 431 { 432 } 433 434 virtual 435 Options * 436 GetOptions () 437 { 438 return &m_options; 439 } 440 441 442 virtual bool 443 Execute 444 ( 445 Args& command, 446 CommandReturnObject &result 447 ) 448 { 449 ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); 450 if (exe_ctx.frame == NULL) 451 { 452 result.AppendError ("you must be stopped in a valid stack frame to view frame variables."); 453 result.SetStatus (eReturnStatusFailed); 454 return false; 455 } 456 else 457 { 458 Stream &s = result.GetOutputStream(); 459 460 bool get_file_globals = true; 461 VariableList *variable_list = exe_ctx.frame->GetVariableList (get_file_globals); 462 463 VariableSP var_sp; 464 ValueObjectSP valobj_sp; 465 //ValueObjectList &valobj_list = exe_ctx.frame->GetValueObjectList(); 466 const char *name_cstr = NULL; 467 size_t idx; 468 if (!m_options.globals.empty()) 469 { 470 uint32_t fail_count = 0; 471 if (exe_ctx.target) 472 { 473 const size_t num_globals = m_options.globals.size(); 474 for (idx = 0; idx < num_globals; ++idx) 475 { 476 VariableList global_var_list; 477 const uint32_t num_matching_globals = exe_ctx.target->GetImages().FindGlobalVariables (m_options.globals[idx], true, UINT32_MAX, global_var_list); 478 479 if (num_matching_globals == 0) 480 { 481 ++fail_count; 482 result.GetErrorStream().Printf ("error: can't find global variable '%s'\n", m_options.globals[idx].AsCString()); 483 } 484 else 485 { 486 for (uint32_t global_idx=0; global_idx<num_matching_globals; ++global_idx) 487 { 488 var_sp = global_var_list.GetVariableAtIndex(global_idx); 489 if (var_sp) 490 { 491 valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp); 492 if (!valobj_sp) 493 valobj_sp = exe_ctx.frame->TrackGlobalVariable (var_sp); 494 495 if (valobj_sp) 496 { 497 if (m_options.format != eFormatDefault) 498 valobj_sp->SetFormat (m_options.format); 499 500 if (m_options.show_decl && var_sp->GetDeclaration ().GetFile()) 501 { 502 var_sp->GetDeclaration ().DumpStopContext (&s, false); 503 s.PutCString (": "); 504 } 505 506 ValueObject::DumpValueObject (result.GetOutputStream(), 507 exe_ctx.frame, 508 valobj_sp.get(), 509 name_cstr, 510 m_options.ptr_depth, 511 0, 512 m_options.max_depth, 513 m_options.show_types, 514 m_options.show_location, 515 m_options.use_objc, 516 false, 517 m_options.flat_output); 518 } 519 } 520 } 521 } 522 } 523 } 524 if (fail_count) 525 result.SetStatus (eReturnStatusFailed); 526 } 527 else if (variable_list) 528 { 529 if (command.GetArgumentCount() > 0) 530 { 531 VariableList regex_var_list; 532 533 // If we have any args to the variable command, we will make 534 // variable objects from them... 535 for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx) 536 { 537 uint32_t ptr_depth = m_options.ptr_depth; 538 539 if (m_options.use_regex) 540 { 541 const uint32_t regex_start_index = regex_var_list.GetSize(); 542 RegularExpression regex (name_cstr); 543 if (regex.Compile(name_cstr)) 544 { 545 size_t num_matches = 0; 546 const size_t num_new_regex_vars = variable_list->AppendVariablesIfUnique(regex, regex_var_list, num_matches); 547 if (num_new_regex_vars > 0) 548 { 549 for (uint32_t regex_idx = regex_start_index, end_index = regex_var_list.GetSize(); 550 regex_idx < end_index; 551 ++regex_idx) 552 { 553 var_sp = regex_var_list.GetVariableAtIndex (regex_idx); 554 if (var_sp) 555 { 556 valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp); 557 if (valobj_sp) 558 { 559 if (m_options.format != eFormatDefault) 560 valobj_sp->SetFormat (m_options.format); 561 562 if (m_options.show_decl && var_sp->GetDeclaration ().GetFile()) 563 { 564 var_sp->GetDeclaration ().DumpStopContext (&s, false); 565 s.PutCString (": "); 566 } 567 568 ValueObject::DumpValueObject (result.GetOutputStream(), 569 exe_ctx.frame, 570 valobj_sp.get(), 571 var_sp->GetName().AsCString(), 572 m_options.ptr_depth, 573 0, 574 m_options.max_depth, 575 m_options.show_types, 576 m_options.show_location, 577 m_options.use_objc, 578 false, 579 m_options.flat_output); 580 } 581 } 582 } 583 } 584 else if (num_matches == 0) 585 { 586 result.GetErrorStream().Printf ("error: no variables matched the regular expression '%s'.\n", name_cstr); 587 } 588 } 589 else 590 { 591 char regex_error[1024]; 592 if (regex.GetErrorAsCString(regex_error, sizeof(regex_error))) 593 result.GetErrorStream().Printf ("error: %s\n", regex_error); 594 else 595 result.GetErrorStream().Printf ("error: unkown regex error when compiling '%s'\n", name_cstr); 596 } 597 } 598 else 599 { 600 Error error; 601 const uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember; 602 valobj_sp = exe_ctx.frame->GetValueForVariableExpressionPath (name_cstr, expr_path_options, error); 603 if (valobj_sp) 604 { 605 if (m_options.format != eFormatDefault) 606 valobj_sp->SetFormat (m_options.format); 607 608 if (m_options.show_decl && var_sp->GetDeclaration ().GetFile()) 609 { 610 var_sp->GetDeclaration ().DumpStopContext (&s, false); 611 s.PutCString (": "); 612 } 613 ValueObject::DumpValueObject (result.GetOutputStream(), 614 exe_ctx.frame, 615 valobj_sp.get(), 616 valobj_sp->GetParent() ? name_cstr : NULL, 617 ptr_depth, 618 0, 619 m_options.max_depth, 620 m_options.show_types, 621 m_options.show_location, 622 m_options.use_objc, 623 false, 624 m_options.flat_output); 625 } 626 else 627 { 628 const char *error_cstr = error.AsCString(NULL); 629 if (error_cstr) 630 result.GetErrorStream().Printf("error: %s\n", error_cstr); 631 else 632 result.GetErrorStream().Printf ("error: unable to find any variable expression path that matches '%s'\n", name_cstr); 633 } 634 } 635 } 636 } 637 else 638 { 639 const uint32_t num_variables = variable_list->GetSize(); 640 641 if (num_variables > 0) 642 { 643 for (uint32_t i=0; i<num_variables; i++) 644 { 645 var_sp = variable_list->GetVariableAtIndex(i); 646 bool dump_variable = true; 647 648 switch (var_sp->GetScope()) 649 { 650 case eValueTypeVariableGlobal: 651 dump_variable = m_options.show_globals; 652 if (dump_variable && m_options.show_scope) 653 s.PutCString("GLOBAL: "); 654 break; 655 656 case eValueTypeVariableStatic: 657 dump_variable = m_options.show_globals; 658 if (dump_variable && m_options.show_scope) 659 s.PutCString("STATIC: "); 660 break; 661 662 case eValueTypeVariableArgument: 663 dump_variable = m_options.show_args; 664 if (dump_variable && m_options.show_scope) 665 s.PutCString(" ARG: "); 666 break; 667 668 case eValueTypeVariableLocal: 669 dump_variable = m_options.show_locals; 670 if (dump_variable && m_options.show_scope) 671 s.PutCString(" LOCAL: "); 672 break; 673 674 default: 675 break; 676 } 677 678 if (dump_variable) 679 { 680 681 // Use the variable object code to make sure we are 682 // using the same APIs as the the public API will be 683 // using... 684 valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp); 685 if (valobj_sp) 686 { 687 if (m_options.format != eFormatDefault) 688 valobj_sp->SetFormat (m_options.format); 689 690 // When dumping all variables, don't print any variables 691 // that are not in scope to avoid extra unneeded output 692 if (valobj_sp->IsInScope (exe_ctx.frame)) 693 { 694 if (m_options.show_decl && var_sp->GetDeclaration ().GetFile()) 695 { 696 var_sp->GetDeclaration ().DumpStopContext (&s, false); 697 s.PutCString (": "); 698 } 699 ValueObject::DumpValueObject (result.GetOutputStream(), 700 exe_ctx.frame, 701 valobj_sp.get(), 702 name_cstr, 703 m_options.ptr_depth, 704 0, 705 m_options.max_depth, 706 m_options.show_types, 707 m_options.show_location, 708 m_options.use_objc, 709 false, 710 m_options.flat_output); 711 } 712 } 713 } 714 } 715 } 716 } 717 result.SetStatus (eReturnStatusSuccessFinishResult); 718 } 719 } 720 return result.Succeeded(); 721 } 722 protected: 723 724 CommandOptions m_options; 725 }; 726 727 OptionDefinition 728 CommandObjectFrameVariable::CommandOptions::g_option_table[] = 729 { 730 { LLDB_OPT_SET_1, false, "debug", 'D', no_argument, NULL, 0, eArgTypeNone, "Enable verbose debug information."}, 731 { LLDB_OPT_SET_1, false, "depth", 'd', required_argument, NULL, 0, eArgTypeCount, "Set the max recurse depth when dumping aggregate types (default is infinity)."}, 732 { LLDB_OPT_SET_1, false, "show-globals",'g', no_argument, NULL, 0, eArgTypeNone, "Show the current frame source file global and static variables."}, 733 { LLDB_OPT_SET_1, false, "find-global",'G', required_argument, NULL, 0, eArgTypeVarName, "Find a global variable by name (which might not be in the current stack frame source file)."}, 734 { LLDB_OPT_SET_1, false, "location", 'L', no_argument, NULL, 0, eArgTypeNone, "Show variable location information."}, 735 { LLDB_OPT_SET_1, false, "show-declaration", 'c', no_argument, NULL, 0, eArgTypeNone, "Show variable declaration information (source file and line where the variable was declared)."}, 736 { LLDB_OPT_SET_1, false, "no-args", 'a', no_argument, NULL, 0, eArgTypeNone, "Omit function arguments."}, 737 { LLDB_OPT_SET_1, false, "no-locals", 'l', no_argument, NULL, 0, eArgTypeNone, "Omit local variables."}, 738 { LLDB_OPT_SET_1, false, "show-types", 't', no_argument, NULL, 0, eArgTypeNone, "Show variable types when dumping values."}, 739 { LLDB_OPT_SET_1, false, "no-summary", 'y', no_argument, NULL, 0, eArgTypeNone, "Omit summary information."}, 740 { LLDB_OPT_SET_1, false, "scope", 's', no_argument, NULL, 0, eArgTypeNone, "Show variable scope (argument, local, global, static)."}, 741 { LLDB_OPT_SET_1, false, "objc", 'o', no_argument, NULL, 0, eArgTypeNone, "When looking up a variable by name, print as an Objective-C object."}, 742 { LLDB_OPT_SET_1, false, "ptr-depth", 'p', required_argument, NULL, 0, eArgTypeCount, "The number of pointers to be traversed when dumping values (default is zero)."}, 743 { LLDB_OPT_SET_1, false, "regex", 'r', no_argument, NULL, 0, eArgTypeRegularExpression, "The <variable-name> argument for name lookups are regular expressions."}, 744 { LLDB_OPT_SET_1, false, "flat", 'F', no_argument, NULL, 0, eArgTypeNone, "Display results in a flat format that uses expression paths for each variable or member."}, 745 { LLDB_OPT_SET_1, false, "format", 'f', required_argument, NULL, 0, eArgTypeExprFormat, "Specify the format that the variable output should use."}, 746 { 0, false, NULL, 0, 0, NULL, NULL, eArgTypeNone, NULL } 747 }; 748 #pragma mark CommandObjectMultiwordFrame 749 750 //------------------------------------------------------------------------- 751 // CommandObjectMultiwordFrame 752 //------------------------------------------------------------------------- 753 754 CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter &interpreter) : 755 CommandObjectMultiword (interpreter, 756 "frame", 757 "A set of commands for operating on the current thread's frames.", 758 "frame <subcommand> [<subcommand-options>]") 759 { 760 LoadSubCommand ("info", CommandObjectSP (new CommandObjectFrameInfo (interpreter))); 761 LoadSubCommand ("select", CommandObjectSP (new CommandObjectFrameSelect (interpreter))); 762 LoadSubCommand ("variable", CommandObjectSP (new CommandObjectFrameVariable (interpreter))); 763 } 764 765 CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame () 766 { 767 } 768 769