CommandObjectFrame.cpp revision 238c0a1e7b733cee539258faa656159c63f9e893 
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/Interpreter/Args.h"
24#include "lldb/Interpreter/CommandInterpreter.h"
25#include "lldb/Interpreter/CommandReturnObject.h"
26#include "lldb/Interpreter/Options.h"
27#include "lldb/Symbol/ClangASTType.h"
28#include "lldb/Symbol/ClangASTContext.h"
29#include "lldb/Symbol/ObjectFile.h"
30#include "lldb/Symbol/SymbolContext.h"
31#include "lldb/Symbol/Type.h"
32#include "lldb/Symbol/Variable.h"
33#include "lldb/Symbol/VariableList.h"
34#include "lldb/Target/Process.h"
35#include "lldb/Target/StackFrame.h"
36#include "lldb/Target/Thread.h"
37#include "lldb/Target/Target.h"
38
39#include "CommandObjectThread.h"
40
41using namespace lldb;
42using namespace lldb_private;
43
44#pragma mark CommandObjectFrameInfo
45
46//-------------------------------------------------------------------------
47// CommandObjectFrameInfo
48//-------------------------------------------------------------------------
49
50class CommandObjectFrameInfo : public CommandObject
51{
52public:
53
54    CommandObjectFrameInfo (CommandInterpreter &interpreter) :
55        CommandObject (interpreter,
56                       "frame info",
57                       "List information about the currently selected frame in the current thread.",
58                       "frame info",
59                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
60    {
61    }
62
63    ~CommandObjectFrameInfo ()
64    {
65    }
66
67    bool
68    Execute (Args& command,
69             CommandReturnObject &result)
70    {
71        ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext());
72        if (exe_ctx.frame)
73        {
74            exe_ctx.frame->Dump (&result.GetOutputStream(), true, false);
75            result.GetOutputStream().EOL();
76            result.SetStatus (eReturnStatusSuccessFinishResult);
77        }
78        else
79        {
80            result.AppendError ("no current frame");
81            result.SetStatus (eReturnStatusFailed);
82        }
83        return result.Succeeded();
84    }
85};
86
87#pragma mark CommandObjectFrameSelect
88
89//-------------------------------------------------------------------------
90// CommandObjectFrameSelect
91//-------------------------------------------------------------------------
92
93class CommandObjectFrameSelect : public CommandObject
94{
95public:
96
97    CommandObjectFrameSelect (CommandInterpreter &interpreter) :
98        CommandObject (interpreter,
99                       "frame select",
100                       "Select a frame by index from within the current thread and make it the current frame.",
101                       "frame select <frame-index>",
102                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
103    {
104    }
105
106    ~CommandObjectFrameSelect ()
107    {
108    }
109
110    bool
111    Execute (Args& command,
112             CommandReturnObject &result)
113    {
114        ExecutionContext exe_ctx (m_interpreter.GetDebugger().GetExecutionContext());
115        if (exe_ctx.thread)
116        {
117            if (command.GetArgumentCount() == 1)
118            {
119                const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
120
121                const uint32_t num_frames = exe_ctx.thread->GetStackFrameCount();
122                const uint32_t frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0);
123                if (frame_idx < num_frames)
124                {
125                    exe_ctx.thread->SetSelectedFrameByIndex (frame_idx);
126                    exe_ctx.frame = exe_ctx.thread->GetSelectedFrame ().get();
127
128                    if (exe_ctx.frame)
129                    {
130                        bool already_shown = false;
131                        SymbolContext frame_sc(exe_ctx.frame->GetSymbolContext(eSymbolContextLineEntry));
132                        if (m_interpreter.GetDebugger().UseExternalEditor() && frame_sc.line_entry.file && frame_sc.line_entry.line != 0)
133                        {
134                            already_shown = Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line);
135                        }
136
137                        if (DisplayFrameForExecutionContext (exe_ctx.thread,
138                                                             exe_ctx.frame,
139                                                             m_interpreter,
140                                                             result.GetOutputStream(),
141                                                             true,
142                                                             !already_shown,
143                                                             3,
144                                                             3))
145                        {
146                            result.SetStatus (eReturnStatusSuccessFinishResult);
147                            return result.Succeeded();
148                        }
149                    }
150                }
151                if (frame_idx == UINT32_MAX)
152                    result.AppendErrorWithFormat ("Invalid frame index: %s.\n", frame_idx_cstr);
153                else
154                    result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx);
155            }
156            else
157            {
158                result.AppendError ("invalid arguments");
159                result.AppendErrorWithFormat ("Usage: %s\n", m_cmd_syntax.c_str());
160            }
161        }
162        else
163        {
164            result.AppendError ("no current thread");
165        }
166        result.SetStatus (eReturnStatusFailed);
167        return false;
168    }
169};
170
171#pragma mark CommandObjectFrameVariable
172//----------------------------------------------------------------------
173// List images with associated information
174//----------------------------------------------------------------------
175class CommandObjectFrameVariable : public CommandObject
176{
177public:
178
179    class CommandOptions : public Options
180    {
181    public:
182
183        CommandOptions () :
184            Options()
185        {
186            ResetOptionValues ();
187        }
188
189        virtual
190        ~CommandOptions ()
191        {
192        }
193
194        virtual Error
195        SetOptionValue (int option_idx, const char *option_arg)
196        {
197            Error error;
198            bool success;
199            char short_option = (char) m_getopt_table[option_idx].val;
200            switch (short_option)
201            {
202            case 'o':   use_objc     = true;  break;
203            case 'n':   name = option_arg;    break;
204            case 'r':   use_regex    = true;  break;
205            case 'a':   show_args    = false; break;
206            case 'l':   show_locals  = false; break;
207            case 'g':   show_globals = true;  break;
208            case 't':   show_types   = false; break;
209            case 'y':   show_summary = false; break;
210            case 'L':   show_location= true;  break;
211            case 'c':   show_decl    = true;  break;
212            case 'D':   debug        = true;  break;
213            case 'd':
214                max_depth = Args::StringToUInt32 (option_arg, UINT32_MAX, 0, &success);
215                if (!success)
216                    error.SetErrorStringWithFormat("Invalid max depth '%s'.\n", option_arg);
217                break;
218
219            case 'p':
220                ptr_depth = Args::StringToUInt32 (option_arg, 0, 0, &success);
221                if (!success)
222                    error.SetErrorStringWithFormat("Invalid pointer depth '%s'.\n", option_arg);
223                break;
224
225            case 'G':
226                globals.push_back(ConstString (option_arg));
227                break;
228
229            case 's':
230                show_scope = true;
231                break;
232
233            default:
234                error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option);
235                break;
236            }
237
238            return error;
239        }
240
241        void
242        ResetOptionValues ()
243        {
244            Options::ResetOptionValues();
245
246            name.clear();
247            use_objc      = false;
248            use_regex     = false;
249            show_args     = true;
250            show_locals   = true;
251            show_globals  = false;
252            show_types    = true;
253            show_scope    = false;
254            show_summary  = true;
255            show_location = false;
256            show_decl     = false;
257            debug         = false;
258            max_depth     = UINT32_MAX;
259            ptr_depth     = 0;
260            globals.clear();
261        }
262
263        const lldb::OptionDefinition*
264        GetDefinitions ()
265        {
266            return g_option_table;
267        }
268
269        // Options table: Required for subclasses of Options.
270
271        static lldb::OptionDefinition g_option_table[];
272        std::string name;
273        bool use_objc:1,
274             use_regex:1,
275             show_args:1,
276             show_locals:1,
277             show_globals:1,
278             show_types:1,
279             show_scope:1,
280             show_summary:1,
281             show_location:1,
282             show_decl:1,
283             debug:1;
284        uint32_t max_depth; // The depth to print when dumping concrete (not pointers) aggreate values
285        uint32_t ptr_depth; // The default depth that is dumped when we find pointers
286        std::vector<ConstString> globals;
287        // Instance variables to hold the values for command options.
288    };
289
290    CommandObjectFrameVariable (CommandInterpreter &interpreter) :
291        CommandObject (interpreter,
292                       "frame variable",
293                       "Show specified argument, local variable, static variable or global variable for the current frame.  If none specified, list them all.",
294                       "frame variable [<cmd-options>] [<var-name1> [<var-name2>...]]")
295    {
296    }
297
298    virtual
299    ~CommandObjectFrameVariable ()
300    {
301    }
302
303    virtual
304    Options *
305    GetOptions ()
306    {
307        return &m_options;
308    }
309
310    void
311    DumpValueObject (CommandReturnObject &result,
312                     ExecutionContextScope *exe_scope,
313                     ValueObject *valobj,
314                     const char *root_valobj_name,
315                     uint32_t ptr_depth,
316                     uint32_t curr_depth,
317                     uint32_t max_depth,
318                     bool use_objc,
319                     bool scope_already_checked)
320    {
321        if (valobj)
322        {
323            Stream &s = result.GetOutputStream();
324
325            //const char *loc_cstr = valobj->GetLocationAsCString();
326            if (m_options.show_location)
327            {
328                s.Printf("@ %s: ", valobj->GetLocationAsCString(exe_scope));
329            }
330            if (m_options.debug)
331                s.Printf ("%p ValueObject{%u} ", valobj, valobj->GetID());
332
333            s.Indent();
334
335            if (m_options.show_types)
336                s.Printf("(%s) ", valobj->GetTypeName().AsCString());
337
338            const char *name_cstr = root_valobj_name ? root_valobj_name : valobj->GetName().AsCString("");
339            s.Printf ("%s = ", name_cstr);
340
341            if (!scope_already_checked && !valobj->IsInScope(exe_scope->CalculateStackFrame()))
342            {
343                s.PutCString("error: out of scope");
344                return;
345            }
346
347            const char *val_cstr = valobj->GetValueAsCString(exe_scope);
348            const char *err_cstr = valobj->GetError().AsCString();
349
350            if (err_cstr)
351            {
352                s.Printf ("error: %s", err_cstr);
353            }
354            else
355            {
356                const char *sum_cstr = valobj->GetSummaryAsCString(exe_scope);
357
358                const bool is_aggregate = ClangASTContext::IsAggregateType (valobj->GetOpaqueClangQualType());
359
360                if (val_cstr)
361                    s.PutCString(val_cstr);
362
363                if (sum_cstr)
364                    s.Printf(" %s", sum_cstr);
365
366                if (use_objc)
367                {
368                    const char *object_desc = valobj->GetObjectDescription(exe_scope);
369                    if (object_desc)
370                        s.Printf("\n%s\n", object_desc);
371                    else
372                        s.Printf ("No description available.\n");
373                    return;
374                }
375
376
377                if (curr_depth < max_depth)
378                {
379                    if (is_aggregate)
380                        s.PutChar('{');
381
382                    bool is_ptr_or_ref = ClangASTContext::IsPointerOrReferenceType (valobj->GetOpaqueClangQualType());
383
384                    if (is_ptr_or_ref && ptr_depth == 0)
385                        return;
386
387                    const uint32_t num_children = valobj->GetNumChildren();
388                    if (num_children)
389                    {
390                        s.IndentMore();
391                        for (uint32_t idx=0; idx<num_children; ++idx)
392                        {
393                            ValueObjectSP child_sp(valobj->GetChildAtIndex(idx, true));
394                            if (child_sp.get())
395                            {
396                                s.EOL();
397                                DumpValueObject (result,
398                                                 exe_scope,
399                                                 child_sp.get(),
400                                                 NULL,
401                                                 is_ptr_or_ref ? ptr_depth - 1 : ptr_depth,
402                                                 curr_depth + 1,
403                                                 max_depth,
404                                                 false,
405                                                 true);
406                                if (idx + 1 < num_children)
407                                    s.PutChar(',');
408                            }
409                        }
410                        s.IndentLess();
411                    }
412                    if (is_aggregate)
413                    {
414                        s.EOL();
415                        s.Indent("}");
416                    }
417                }
418                else
419                {
420                    if (is_aggregate)
421                    {
422                        s.PutCString("{...}");
423                    }
424                }
425
426            }
427        }
428    }
429
430    virtual bool
431    Execute
432    (
433        Args& command,
434        CommandReturnObject &result
435    )
436    {
437        ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext());
438        if (exe_ctx.frame == NULL)
439        {
440            result.AppendError ("invalid frame");
441            result.SetStatus (eReturnStatusFailed);
442            return false;
443        }
444        else
445        {
446            Stream &s = result.GetOutputStream();
447
448            bool get_file_globals = true;
449            VariableList *variable_list = exe_ctx.frame->GetVariableList (get_file_globals);
450
451            VariableSP var_sp;
452            ValueObjectSP valobj_sp;
453            //ValueObjectList &valobj_list = exe_ctx.frame->GetValueObjectList();
454            const char *name_cstr = NULL;
455            size_t idx;
456            if (!m_options.globals.empty())
457            {
458                uint32_t fail_count = 0;
459                if (exe_ctx.target)
460                {
461                    const size_t num_globals = m_options.globals.size();
462                    for (idx = 0; idx < num_globals; ++idx)
463                    {
464                        VariableList global_var_list;
465                        const uint32_t num_matching_globals = exe_ctx.target->GetImages().FindGlobalVariables (m_options.globals[idx], true, UINT32_MAX, global_var_list);
466
467                        if (num_matching_globals == 0)
468                        {
469                            ++fail_count;
470                            result.GetErrorStream().Printf ("error: can't find global variable '%s'\n", m_options.globals[idx].AsCString());
471                        }
472                        else
473                        {
474                            for (uint32_t global_idx=0; global_idx<num_matching_globals; ++global_idx)
475                            {
476                                var_sp = global_var_list.GetVariableAtIndex(global_idx);
477                                if (var_sp)
478                                {
479                                    valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp);
480                                    if (!valobj_sp)
481                                        valobj_sp = exe_ctx.frame->TrackGlobalVariable (var_sp);
482
483                                    if (valobj_sp)
484                                    {
485                                        if (m_options.show_decl && var_sp->GetDeclaration ().GetFile())
486                                        {
487                                            var_sp->GetDeclaration ().DumpStopContext (&s, false);
488                                            s.PutCString (": ");
489                                        }
490
491                                        DumpValueObject (result,
492                                                         exe_ctx.frame,
493                                                         valobj_sp.get(),
494                                                         name_cstr,
495                                                         m_options.ptr_depth,
496                                                         0,
497                                                         m_options.max_depth,
498                                                         m_options.use_objc,
499                                                         false);
500
501                                        s.EOL();
502                                    }
503                                }
504                            }
505                        }
506                    }
507                }
508                if (fail_count)
509                    result.SetStatus (eReturnStatusFailed);
510            }
511            else if (variable_list)
512            {
513                if (command.GetArgumentCount() > 0)
514                {
515                    // If we have any args to the variable command, we will make
516                    // variable objects from them...
517                    for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx)
518                    {
519                        uint32_t ptr_depth = m_options.ptr_depth;
520                        // If first character is a '*', then show pointer contents
521                        if (name_cstr[0] == '*')
522                        {
523                            ++ptr_depth;
524                            name_cstr++; // Skip the '*'
525                        }
526
527                        std::string var_path (name_cstr);
528                        size_t separator_idx = var_path.find_first_of(".-[");
529
530                        ConstString name_const_string;
531                        if (separator_idx == std::string::npos)
532                            name_const_string.SetCString (var_path.c_str());
533                        else
534                            name_const_string.SetCStringWithLength (var_path.c_str(), separator_idx);
535
536                        var_sp = variable_list->FindVariable(name_const_string);
537                        if (var_sp)
538                        {
539                            valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp);
540
541                            var_path.erase (0, name_const_string.GetLength ());
542                            // We are dumping at least one child
543                            while (separator_idx != std::string::npos)
544                            {
545                                // Calculate the next separator index ahead of time
546                                ValueObjectSP child_valobj_sp;
547                                const char separator_type = var_path[0];
548                                switch (separator_type)
549                                {
550
551                                case '-':
552                                    if (var_path.size() >= 2 && var_path[1] != '>')
553                                    {
554                                        result.GetErrorStream().Printf ("error: invalid character in variable path starting at '%s'\n",
555                                                                        var_path.c_str());
556                                        var_path.clear();
557                                        valobj_sp.reset();
558                                        break;
559                                    }
560                                    var_path.erase (0, 1); // Remove the '-'
561                                    // Fall through
562                                case '.':
563                                    {
564                                        var_path.erase (0, 1); // Remove the '.' or '>'
565                                        separator_idx = var_path.find_first_of(".-[");
566                                        ConstString child_name;
567                                        if (separator_idx == std::string::npos)
568                                            child_name.SetCString (var_path.c_str());
569                                        else
570                                            child_name.SetCStringWithLength(var_path.c_str(), separator_idx);
571
572                                        child_valobj_sp = valobj_sp->GetChildMemberWithName (child_name, true);
573                                        if (!child_valobj_sp)
574                                        {
575                                            result.GetErrorStream().Printf ("error: can't find child of '%s' named '%s'\n",
576                                                                            valobj_sp->GetName().AsCString(),
577                                                                            child_name.GetCString());
578                                            var_path.clear();
579                                            valobj_sp.reset();
580                                            break;
581                                        }
582                                        // Remove the child name from the path
583                                        var_path.erase(0, child_name.GetLength());
584                                    }
585                                    break;
586
587                                case '[':
588                                    // Array member access, or treating pointer as an array
589                                    if (var_path.size() > 2) // Need at least two brackets and a number
590                                    {
591                                        char *end = NULL;
592                                        int32_t child_index = ::strtol (&var_path[1], &end, 0);
593                                        if (end && *end == ']')
594                                        {
595
596                                            if (valobj_sp->IsPointerType ())
597                                            {
598                                                child_valobj_sp = valobj_sp->GetSyntheticArrayMemberFromPointer (child_index, true);
599                                            }
600                                            else
601                                            {
602                                                child_valobj_sp = valobj_sp->GetChildAtIndex (child_index, true);
603                                            }
604
605                                            if (!child_valobj_sp)
606                                            {
607                                                result.GetErrorStream().Printf ("error: invalid array index %u in '%s'\n",
608                                                                                child_index,
609                                                                                valobj_sp->GetName().AsCString());
610                                                var_path.clear();
611                                                valobj_sp.reset();
612                                                break;
613                                            }
614
615                                            // Erase the array member specification '[%i]' where %i is the array index
616                                            var_path.erase(0, (end - var_path.c_str()) + 1);
617                                            separator_idx = var_path.find_first_of(".-[");
618
619                                            // Break out early from the switch since we were able to find the child member
620                                            break;
621                                        }
622                                    }
623                                    result.GetErrorStream().Printf ("error: invalid array member specification for '%s' starting at '%s'\n",
624                                                                    valobj_sp->GetName().AsCString(),
625                                                                    var_path.c_str());
626                                    var_path.clear();
627                                    valobj_sp.reset();
628                                    break;
629
630                                    break;
631
632                                default:
633                                    result.GetErrorStream().Printf ("error: invalid character in variable path starting at '%s'\n",
634                                                                        var_path.c_str());
635                                    var_path.clear();
636                                    valobj_sp.reset();
637                                    separator_idx = std::string::npos;
638                                    break;
639                                }
640
641                                if (child_valobj_sp)
642                                    valobj_sp = child_valobj_sp;
643
644                                if (var_path.empty())
645                                    break;
646
647                            }
648
649                            if (valobj_sp)
650                            {
651                                if (m_options.show_decl && var_sp->GetDeclaration ().GetFile())
652                                {
653                                    var_sp->GetDeclaration ().DumpStopContext (&s, false);
654                                    s.PutCString (": ");
655                                }
656
657                                DumpValueObject (result,
658                                                 exe_ctx.frame,
659                                                 valobj_sp.get(),
660                                                 name_cstr,
661                                                 ptr_depth,
662                                                 0,
663                                                 m_options.max_depth,
664                                                 m_options.use_objc,
665                                                 false);
666
667                                s.EOL();
668                            }
669                        }
670                        else
671                        {
672                            result.GetErrorStream().Printf ("error: unable to find any variables named '%s'\n", name_cstr);
673                            var_path.clear();
674                        }
675                    }
676                }
677                else
678                {
679                    const uint32_t num_variables = variable_list->GetSize();
680
681                    if (num_variables > 0)
682                    {
683                        for (uint32_t i=0; i<num_variables; i++)
684                        {
685                            VariableSP var_sp (variable_list->GetVariableAtIndex(i));
686                            bool dump_variable = true;
687
688                            switch (var_sp->GetScope())
689                            {
690                            case eValueTypeVariableGlobal:
691                                dump_variable = m_options.show_globals;
692                                if (dump_variable && m_options.show_scope)
693                                    s.PutCString("GLOBAL: ");
694                                break;
695
696                            case eValueTypeVariableStatic:
697                                dump_variable = m_options.show_globals;
698                                if (dump_variable && m_options.show_scope)
699                                    s.PutCString("STATIC: ");
700                                break;
701
702                            case eValueTypeVariableArgument:
703                                dump_variable = m_options.show_args;
704                                if (dump_variable && m_options.show_scope)
705                                    s.PutCString("   ARG: ");
706                                break;
707
708                            case eValueTypeVariableLocal:
709                                dump_variable = m_options.show_locals;
710                                if (dump_variable && m_options.show_scope)
711                                    s.PutCString(" LOCAL: ");
712                                break;
713
714                            default:
715                                break;
716                            }
717
718                            if (dump_variable)
719                            {
720
721                                // Use the variable object code to make sure we are
722                                // using the same APIs as the the public API will be
723                                // using...
724                                valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp);
725                                if (valobj_sp)
726                                {
727                                    // When dumping all variables, don't print any variables
728                                    // that are not in scope to avoid extra unneeded output
729                                    if (valobj_sp->IsInScope (exe_ctx.frame))
730                                    {
731                                        if (m_options.show_decl && var_sp->GetDeclaration ().GetFile())
732                                        {
733                                            var_sp->GetDeclaration ().DumpStopContext (&s, false);
734                                            s.PutCString (": ");
735                                        }
736                                        DumpValueObject (result,
737                                                         exe_ctx.frame,
738                                                         valobj_sp.get(),
739                                                         name_cstr,
740                                                         m_options.ptr_depth,
741                                                         0,
742                                                         m_options.max_depth,
743                                                         m_options.use_objc,
744                                                         true);
745
746                                        s.EOL();
747                                    }
748                                }
749                            }
750                        }
751                    }
752                }
753                result.SetStatus (eReturnStatusSuccessFinishResult);
754            }
755        }
756        return result.Succeeded();
757    }
758protected:
759
760    CommandOptions m_options;
761};
762
763lldb::OptionDefinition
764CommandObjectFrameVariable::CommandOptions::g_option_table[] =
765{
766{ LLDB_OPT_SET_1, false, "debug",      'D', no_argument,       NULL, 0, NULL,        "Enable verbose debug information."},
767{ LLDB_OPT_SET_1, false, "depth",      'd', required_argument, NULL, 0, "<count>",   "Set the max recurse depth when dumping aggregate types (default is infinity)."},
768{ LLDB_OPT_SET_1, false, "show-globals",'g', no_argument,      NULL, 0, NULL,        "Show the current frame source file global and static variables."},
769{ LLDB_OPT_SET_1, false, "find-global",'G', required_argument, NULL, 0, NULL,        "Find a global variable by name (which might not be in the current stack frame source file)."},
770{ LLDB_OPT_SET_1, false, "location",   'L', no_argument,       NULL, 0, NULL,        "Show variable location information."},
771{ LLDB_OPT_SET_1, false, "show-declaration", 'c', no_argument, NULL, 0, NULL,        "Show variable declaration information (source file and line where the variable was declared)."},
772{ LLDB_OPT_SET_1, false, "name",       'n', required_argument, NULL, 0, "<name>",    "Lookup a variable by name or regex (--regex) for the current execution context."},
773{ LLDB_OPT_SET_1, false, "no-args",    'a', no_argument,       NULL, 0, NULL,        "Omit function arguments."},
774{ LLDB_OPT_SET_1, false, "no-locals",  'l', no_argument,       NULL, 0, NULL,        "Omit local variables."},
775{ LLDB_OPT_SET_1, false, "no-types",   't', no_argument,       NULL, 0, NULL,        "Omit variable type names."},
776{ LLDB_OPT_SET_1, false, "no-summary", 'y', no_argument,       NULL, 0, NULL,        "Omit summary information."},
777{ LLDB_OPT_SET_1, false, "scope",      's', no_argument,       NULL, 0, NULL,        "Show variable scope (argument, local, global, static)."},
778{ LLDB_OPT_SET_1, false, "objc",       'o', no_argument,       NULL, 0, NULL,        "When looking up a variable by name (--name), print as an Objective-C object."},
779{ LLDB_OPT_SET_1, false, "ptr-depth",  'p', required_argument, NULL, 0, "<count>",   "The number of pointers to be traversed when dumping values (default is zero)."},
780{ LLDB_OPT_SET_1, false, "regex",      'r', no_argument,       NULL, 0, NULL,        "The <name> argument for name lookups are regular expressions."},
781{ 0, false, NULL, 0, 0, NULL, NULL, NULL, NULL }
782};
783#pragma mark CommandObjectMultiwordFrame
784
785//-------------------------------------------------------------------------
786// CommandObjectMultiwordFrame
787//-------------------------------------------------------------------------
788
789CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter &interpreter) :
790    CommandObjectMultiword (interpreter,
791                            "frame",
792                            "A set of commands for operating on the current thread's frames.",
793                            "frame <subcommand> [<subcommand-options>]")
794{
795    LoadSubCommand ("info",   CommandObjectSP (new CommandObjectFrameInfo (interpreter)));
796    LoadSubCommand ("select", CommandObjectSP (new CommandObjectFrameSelect (interpreter)));
797    LoadSubCommand ("variable", CommandObjectSP (new CommandObjectFrameVariable (interpreter)));
798}
799
800CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame ()
801{
802}
803
804