CommandObjectFrame.cpp revision 4ae519666628cca07c194bf677163009cc2e5a8b 
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 () :
55    CommandObject ("frame info",
56                   "List information about the currently selected frame in the current thread.",
57                   "frame info",
58                   eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
59    {
60    }
61
62    ~CommandObjectFrameInfo ()
63    {
64    }
65
66    bool
67    Execute (CommandInterpreter &interpreter,
68             Args& command,
69             CommandReturnObject &result)
70    {
71        ExecutionContext exe_ctx(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 () :
98    CommandObject ("frame select",
99                   //"Select the current frame by index in the current thread.",
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 (CommandInterpreter &interpreter,
112             Args& command,
113             CommandReturnObject &result)
114    {
115        ExecutionContext exe_ctx (interpreter.GetDebugger().GetExecutionContext());
116        if (exe_ctx.thread)
117        {
118            if (command.GetArgumentCount() == 1)
119            {
120                const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
121
122                const uint32_t num_frames = exe_ctx.thread->GetStackFrameCount();
123                const uint32_t frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0);
124                if (frame_idx < num_frames)
125                {
126                    exe_ctx.thread->SetSelectedFrameByIndex (frame_idx);
127                    exe_ctx.frame = exe_ctx.thread->GetSelectedFrame ().get();
128
129                    if (exe_ctx.frame)
130                    {
131                        bool already_shown = false;
132                        SymbolContext frame_sc(exe_ctx.frame->GetSymbolContext(eSymbolContextLineEntry));
133                        if (interpreter.GetDebugger().UseExternalEditor() && frame_sc.line_entry.file && frame_sc.line_entry.line != 0)
134                        {
135                            already_shown = Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line);
136                        }
137
138                        if (DisplayFrameForExecutionContext (exe_ctx.thread,
139                                                             exe_ctx.frame,
140                                                             interpreter,
141                                                             result.GetOutputStream(),
142                                                             true,
143                                                             !already_shown,
144                                                             3,
145                                                             3))
146                        {
147                            result.SetStatus (eReturnStatusSuccessFinishResult);
148                            return result.Succeeded();
149                        }
150                    }
151                }
152                if (frame_idx == UINT32_MAX)
153                    result.AppendErrorWithFormat ("Invalid frame index: %s.\n", frame_idx_cstr);
154                else
155                    result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx);
156            }
157            else
158            {
159                result.AppendError ("invalid arguments");
160                result.AppendErrorWithFormat ("Usage: %s\n", m_cmd_syntax.c_str());
161            }
162        }
163        else
164        {
165            result.AppendError ("no current thread");
166        }
167        result.SetStatus (eReturnStatusFailed);
168        return false;
169    }
170};
171
172#pragma mark CommandObjectFrameVariable
173//----------------------------------------------------------------------
174// List images with associated information
175//----------------------------------------------------------------------
176class CommandObjectFrameVariable : public CommandObject
177{
178public:
179
180    class CommandOptions : public Options
181    {
182    public:
183
184        CommandOptions () :
185            Options()
186        {
187            ResetOptionValues ();
188        }
189
190        virtual
191        ~CommandOptions ()
192        {
193        }
194
195        virtual Error
196        SetOptionValue (int option_idx, const char *option_arg)
197        {
198            Error error;
199            bool success;
200            char short_option = (char) m_getopt_table[option_idx].val;
201            switch (short_option)
202            {
203            case 'o':   use_objc     = true;  break;
204            case 'n':   name = option_arg;    break;
205            case 'r':   use_regex    = true;  break;
206            case 'a':   show_args    = false; break;
207            case 'l':   show_locals  = false; break;
208            case 'g':   show_globals = false; break;
209            case 't':   show_types   = false; break;
210            case 'y':   show_summary = false; break;
211            case 'L':   show_location= 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                {
227                    ConstString const_string (option_arg);
228                    globals.push_back(const_string);
229                }
230                break;
231
232            case 's':
233                show_scope = true;
234                break;
235
236            default:
237                error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option);
238                break;
239            }
240
241            return error;
242        }
243
244        void
245        ResetOptionValues ()
246        {
247            Options::ResetOptionValues();
248
249            name.clear();
250            use_objc      = false;
251            use_regex     = false;
252            show_args     = true;
253            show_locals   = true;
254            show_globals  = true;
255            show_types    = true;
256            show_scope    = false;
257            show_summary  = true;
258            show_location = false;
259            debug         = false;
260            max_depth     = UINT32_MAX;
261            ptr_depth     = 0;
262            globals.clear();
263        }
264
265        const lldb::OptionDefinition*
266        GetDefinitions ()
267        {
268            return g_option_table;
269        }
270
271        // Options table: Required for subclasses of Options.
272
273        static lldb::OptionDefinition g_option_table[];
274        std::string name;
275        bool use_objc;
276        bool use_regex;
277        bool show_args;
278        bool show_locals;
279        bool show_globals;
280        bool show_types;
281        bool show_scope; // local/arg/global/static
282        bool show_summary;
283        bool show_location;
284        bool debug;
285        uint32_t max_depth; // The depth to print when dumping concrete (not pointers) aggreate values
286        uint32_t ptr_depth; // The default depth that is dumped when we find pointers
287        std::vector<ConstString> globals;
288        // Instance variables to hold the values for command options.
289    };
290
291    CommandObjectFrameVariable () :
292        CommandObject (
293                "frame variable",
294                "Show specified argument, local variable, static variable or global variable for the current frame.  If none specified, list them all.",
295                "frame variable [<cmd-options>] [<var-name1> [<var-name2>...]]")
296    {
297    }
298
299    virtual
300    ~CommandObjectFrameVariable ()
301    {
302    }
303
304    virtual
305    Options *
306    GetOptions ()
307    {
308        return &m_options;
309    }
310
311    void
312    DumpVariable (CommandReturnObject &result, ExecutionContext *exe_ctx, Variable *variable)
313    {
314        if (variable)
315        {
316            Stream &s = result.GetOutputStream();
317            DWARFExpression &expr = variable->LocationExpression();
318            Value expr_result;
319            Error expr_error;
320            Type *variable_type = variable->GetType();
321            bool expr_success = expr.Evaluate(exe_ctx, NULL, NULL, expr_result, &expr_error);
322
323            if (m_options.debug)
324                s.Printf ("Variable{0x%8.8x}: ", variable->GetID());
325
326            if (!expr_success)
327                s.Printf ("%s = ERROR: %s\n", variable->GetName().AsCString(NULL), expr_error.AsCString());
328            else
329            {
330                Value::ValueType expr_value_type = expr_result.GetValueType();
331                switch (expr_value_type)
332                {
333                case Value::eValueTypeScalar:
334                    s.Printf ("%s = ", variable->GetName().AsCString(NULL));
335                    if (variable_type)
336                    {
337                        DataExtractor data;
338                        if (expr_result.ResolveValue (exe_ctx, NULL).GetData (data))
339                            variable_type->DumpValue (exe_ctx, &s, data, 0, m_options.show_types, m_options.show_summary, m_options.debug);
340                    }
341                    break;
342
343                    case Value::eValueTypeFileAddress:
344                    case Value::eValueTypeLoadAddress:
345                    case Value::eValueTypeHostAddress:
346                    {
347                        s.Printf ("%s = ", variable->GetName().AsCString(NULL));
348                        lldb::addr_t addr = LLDB_INVALID_ADDRESS;
349                        lldb::AddressType addr_type = eAddressTypeLoad;
350
351                        if (expr_value_type == Value::eValueTypeFileAddress)
352                        {
353                            lldb::addr_t file_addr = expr_result.ResolveValue (exe_ctx, NULL).ULongLong(LLDB_INVALID_ADDRESS);
354                            SymbolContext var_sc;
355                            variable->CalculateSymbolContext(&var_sc);
356                            if (var_sc.module_sp)
357                            {
358                                ObjectFile *objfile = var_sc.module_sp->GetObjectFile();
359                                if (objfile)
360                                {
361                                    Address so_addr(file_addr, objfile->GetSectionList());
362                                    addr = so_addr.GetLoadAddress(exe_ctx->process);
363                                }
364                                if (addr == LLDB_INVALID_ADDRESS)
365                                {
366                                    result.GetErrorStream().Printf ("error: %s is not loaded\n",
367                                                                    var_sc.module_sp->GetFileSpec().GetFilename().AsCString());
368                                }
369                            }
370                            else
371                            {
372                                result.GetErrorStream().Printf ("error: unable to resolve the variable address 0x%llx\n", file_addr);
373                            }
374                        }
375                        else
376                        {
377                            if (expr_value_type == Value::eValueTypeHostAddress)
378                                addr_type = eAddressTypeHost;
379                            addr = expr_result.ResolveValue (exe_ctx, NULL).ULongLong(LLDB_INVALID_ADDRESS);
380                        }
381
382                        if (addr != LLDB_INVALID_ADDRESS)
383                        {
384                            if (m_options.debug)
385                                s.Printf("@ 0x%8.8llx, value = ", addr);
386                            variable_type->DumpValueInMemory (exe_ctx, &s, addr, addr_type, m_options.show_types, m_options.show_summary, m_options.debug);
387                        }
388                    }
389                    break;
390                }
391                s.EOL();
392            }
393        }
394    }
395
396    void
397    DumpValueObject (CommandReturnObject &result,
398                     ExecutionContextScope *exe_scope,
399                     ValueObject *valobj,
400                     const char *root_valobj_name,
401                     uint32_t ptr_depth,
402                     uint32_t curr_depth,
403                     uint32_t max_depth,
404                     bool use_objc)
405    {
406        if (valobj)
407        {
408            Stream &s = result.GetOutputStream();
409
410            //const char *loc_cstr = valobj->GetLocationAsCString();
411            if (m_options.show_location)
412            {
413                s.Printf("@ %s: ", valobj->GetLocationAsCString(exe_scope));
414            }
415            if (m_options.debug)
416                s.Printf ("%p ValueObject{%u} ", valobj, valobj->GetID());
417
418            s.Indent();
419
420            if (m_options.show_types)
421                s.Printf("(%s) ", valobj->GetTypeName().AsCString());
422
423            const char *name_cstr = root_valobj_name ? root_valobj_name : valobj->GetName().AsCString("");
424            s.Printf ("%s = ", name_cstr);
425
426            const char *val_cstr = valobj->GetValueAsCString(exe_scope);
427            const char *err_cstr = valobj->GetError().AsCString();
428
429            if (err_cstr)
430            {
431                s.Printf ("error: %s\n", err_cstr);
432            }
433            else
434            {
435                const char *sum_cstr = valobj->GetSummaryAsCString(exe_scope);
436
437                const bool is_aggregate = ClangASTContext::IsAggregateType (valobj->GetOpaqueClangQualType());
438
439                if (val_cstr)
440                    s.PutCString(val_cstr);
441
442                if (sum_cstr)
443                    s.Printf(" %s", sum_cstr);
444
445                if (use_objc)
446                {
447                    const char *object_desc = valobj->GetObjectDescription(exe_scope);
448                    if (object_desc)
449                        s.Printf("\n%s\n", object_desc);
450                    else
451                        s.Printf ("No description available.\n");
452                    return;
453                }
454
455
456                if (curr_depth < max_depth)
457                {
458                    if (is_aggregate)
459                        s.PutChar('{');
460
461                    bool is_ptr_or_ref = ClangASTContext::IsPointerOrReferenceType (valobj->GetOpaqueClangQualType());
462
463                    if (is_ptr_or_ref && ptr_depth == 0)
464                        return;
465
466                    const uint32_t num_children = valobj->GetNumChildren();
467                    if (num_children)
468                    {
469                        s.IndentMore();
470                        for (uint32_t idx=0; idx<num_children; ++idx)
471                        {
472                            ValueObjectSP child_sp(valobj->GetChildAtIndex(idx, true));
473                            if (child_sp.get())
474                            {
475                                s.EOL();
476                                DumpValueObject (result,
477                                                 exe_scope,
478                                                 child_sp.get(),
479                                                 NULL,
480                                                 is_ptr_or_ref ? ptr_depth - 1 : ptr_depth,
481                                                 curr_depth + 1,
482                                                 max_depth,
483                                                 false);
484                                if (idx + 1 < num_children)
485                                    s.PutChar(',');
486                            }
487                        }
488                        s.IndentLess();
489                    }
490                    if (is_aggregate)
491                    {
492                        s.EOL();
493                        s.Indent("}");
494                    }
495                }
496                else
497                {
498                    if (is_aggregate)
499                    {
500                        s.PutCString("{...}");
501                    }
502                }
503
504            }
505        }
506    }
507
508    virtual bool
509    Execute
510    (
511        CommandInterpreter &interpreter,
512        Args& command,
513        CommandReturnObject &result
514    )
515    {
516        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
517        if (exe_ctx.frame == NULL)
518        {
519            result.AppendError ("invalid frame");
520            result.SetStatus (eReturnStatusFailed);
521            return false;
522        }
523        else
524        {
525            VariableList variable_list;
526
527            bool show_inlined = true;   // TODO: Get this from the process
528            SymbolContext frame_sc = exe_ctx.frame->GetSymbolContext (eSymbolContextEverything);
529            if (exe_ctx.frame && frame_sc.block)
530                frame_sc.block->AppendVariables(true, true, show_inlined, &variable_list);
531            VariableSP var_sp;
532            ValueObjectSP valobj_sp;
533            //ValueObjectList &valobj_list = exe_ctx.frame->GetValueObjectList();
534            const char *name_cstr = NULL;
535            size_t idx;
536            if (!m_options.globals.empty())
537            {
538                uint32_t fail_count = 0;
539                if (exe_ctx.target)
540                {
541                    const size_t num_globals = m_options.globals.size();
542                    for (idx = 0; idx < num_globals; ++idx)
543                    {
544                        VariableList global_var_list;
545                        const uint32_t num_matching_globals = exe_ctx.target->GetImages().FindGlobalVariables (m_options.globals[idx], true, UINT32_MAX, global_var_list);
546
547                        if (num_matching_globals == 0)
548                        {
549                            ++fail_count;
550                            result.GetErrorStream().Printf ("error: can't find global variable '%s'\n", m_options.globals[idx].AsCString());
551                        }
552                        else
553                        {
554                            for (uint32_t global_idx=0; global_idx<num_matching_globals; ++global_idx)
555                            {
556                                var_sp = global_var_list.GetVariableAtIndex(global_idx);
557                                if (var_sp)
558                                {
559                                    valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp);
560                                    if (!valobj_sp)
561                                        valobj_sp = exe_ctx.frame->TrackGlobalVariable (var_sp);
562
563                                    if (valobj_sp)
564                                    {
565                                        DumpValueObject (result, exe_ctx.frame, valobj_sp.get(), name_cstr, m_options.ptr_depth, 0, m_options.max_depth, false);
566                                        result.GetOutputStream().EOL();
567                                    }
568                                }
569                            }
570                        }
571                    }
572                }
573                if (fail_count)
574                {
575                    result.SetStatus (eReturnStatusFailed);
576                }
577            }
578
579            if (command.GetArgumentCount() > 0)
580            {
581                // If we have any args to the variable command, we will make
582                // variable objects from them...
583                for (idx = 0; (name_cstr = command.GetArgumentAtIndex(idx)) != NULL; ++idx)
584                {
585                    uint32_t ptr_depth = m_options.ptr_depth;
586                    // If first character is a '*', then show pointer contents
587                    if (name_cstr[0] == '*')
588                    {
589                        ++ptr_depth;
590                        name_cstr++; // Skip the '*'
591                    }
592
593                    std::string var_path (name_cstr);
594                    size_t separator_idx = var_path.find_first_of(".-[");
595
596                    ConstString name_const_string;
597                    if (separator_idx == std::string::npos)
598                        name_const_string.SetCString (var_path.c_str());
599                    else
600                        name_const_string.SetCStringWithLength (var_path.c_str(), separator_idx);
601
602                    var_sp = variable_list.FindVariable(name_const_string);
603                    if (var_sp)
604                    {
605                        valobj_sp = exe_ctx.frame->GetValueObjectForFrameVariable (var_sp);
606
607                        var_path.erase (0, name_const_string.GetLength ());
608                        // We are dumping at least one child
609                        while (separator_idx != std::string::npos)
610                        {
611                            // Calculate the next separator index ahead of time
612                            ValueObjectSP child_valobj_sp;
613                            const char separator_type = var_path[0];
614                            switch (separator_type)
615                            {
616
617                            case '-':
618                                if (var_path.size() >= 2 && var_path[1] != '>')
619                                {
620                                    result.GetErrorStream().Printf ("error: invalid character in variable path starting at '%s'\n",
621                                                                    var_path.c_str());
622                                    var_path.clear();
623                                    valobj_sp.reset();
624                                    break;
625                                }
626                                var_path.erase (0, 1); // Remove the '-'
627                                // Fall through
628                            case '.':
629                                {
630                                    var_path.erase (0, 1); // Remove the '.' or '>'
631                                    separator_idx = var_path.find_first_of(".-[");
632                                    ConstString child_name;
633                                    if (separator_idx == std::string::npos)
634                                        child_name.SetCString (var_path.c_str());
635                                    else
636                                        child_name.SetCStringWithLength(var_path.c_str(), separator_idx);
637
638                                    child_valobj_sp = valobj_sp->GetChildMemberWithName (child_name, true);
639                                    if (!child_valobj_sp)
640                                    {
641                                        result.GetErrorStream().Printf ("error: can't find child of '%s' named '%s'\n",
642                                                                        valobj_sp->GetName().AsCString(),
643                                                                        child_name.GetCString());
644                                        var_path.clear();
645                                        valobj_sp.reset();
646                                        break;
647                                    }
648                                    // Remove the child name from the path
649                                    var_path.erase(0, child_name.GetLength());
650                                }
651                                break;
652
653                            case '[':
654                                // Array member access, or treating pointer as an array
655                                if (var_path.size() > 2) // Need at least two brackets and a number
656                                {
657                                    char *end = NULL;
658                                    int32_t child_index = ::strtol (&var_path[1], &end, 0);
659                                    if (end && *end == ']')
660                                    {
661
662                                        if (valobj_sp->IsPointerType ())
663                                        {
664                                            child_valobj_sp = valobj_sp->GetSyntheticArrayMemberFromPointer (child_index, true);
665                                        }
666                                        else
667                                        {
668                                            child_valobj_sp = valobj_sp->GetChildAtIndex (child_index, true);
669                                        }
670
671                                        if (!child_valobj_sp)
672                                        {
673                                            result.GetErrorStream().Printf ("error: invalid array index %u in '%s'\n",
674                                                                            child_index,
675                                                                            valobj_sp->GetName().AsCString());
676                                            var_path.clear();
677                                            valobj_sp.reset();
678                                            break;
679                                        }
680
681                                        // Erase the array member specification '[%i]' where %i is the array index
682                                        var_path.erase(0, (end - var_path.c_str()) + 1);
683                                        separator_idx = var_path.find_first_of(".-[");
684
685                                        // Break out early from the switch since we were able to find the child member
686                                        break;
687                                    }
688                                }
689                                result.GetErrorStream().Printf ("error: invalid array member specification for '%s' starting at '%s'\n",
690                                                                valobj_sp->GetName().AsCString(),
691                                                                var_path.c_str());
692                                var_path.clear();
693                                valobj_sp.reset();
694                                break;
695
696                                break;
697
698                            default:
699                                result.GetErrorStream().Printf ("error: invalid character in variable path starting at '%s'\n",
700                                                                    var_path.c_str());
701                                var_path.clear();
702                                valobj_sp.reset();
703                                separator_idx = std::string::npos;
704                                break;
705                            }
706
707                            if (child_valobj_sp)
708                                valobj_sp = child_valobj_sp;
709
710                            if (var_path.empty())
711                                break;
712
713                        }
714
715                        if (valobj_sp)
716                        {
717                            DumpValueObject (result, exe_ctx.frame, valobj_sp.get(), name_cstr, ptr_depth, 0, m_options.max_depth, m_options.use_objc);
718                            result.GetOutputStream().EOL();
719                        }
720                    }
721                    else
722                    {
723                        result.GetErrorStream().Printf ("error: unable to find any variables named '%s'\n", name_cstr);
724                        var_path.clear();
725                    }
726                }
727            }
728            else
729            {
730
731                if (m_options.show_globals)
732                {
733                    if (frame_sc.comp_unit)
734                    {
735                        variable_list.AddVariables (frame_sc.comp_unit->GetVariableList(true).get());
736                    }
737                }
738
739                const uint32_t num_variables = variable_list.GetSize();
740
741                if (num_variables > 0)
742                {
743                    for (uint32_t i=0; i<num_variables; i++)
744                    {
745                        Variable *variable = variable_list.GetVariableAtIndex(i).get();
746                        bool dump_variable = true;
747
748                        switch (variable->GetScope())
749                        {
750                        case eValueTypeVariableGlobal:
751                            dump_variable = m_options.show_globals;
752                            if (dump_variable && m_options.show_scope)
753                                result.GetOutputStream().PutCString("GLOBAL: ");
754                            break;
755
756                        case eValueTypeVariableStatic:
757                            dump_variable = m_options.show_globals;
758                            if (dump_variable && m_options.show_scope)
759                                result.GetOutputStream().PutCString("STATIC: ");
760                            break;
761
762                        case eValueTypeVariableArgument:
763                            dump_variable = m_options.show_args;
764                            if (dump_variable && m_options.show_scope)
765                                result.GetOutputStream().PutCString("   ARG: ");
766                            break;
767
768                        case eValueTypeVariableLocal:
769                            dump_variable = m_options.show_locals;
770                            if (dump_variable && m_options.show_scope)
771                                result.GetOutputStream().PutCString(" LOCAL: ");
772                            break;
773
774                        default:
775                            break;
776                        }
777
778                        if (dump_variable)
779                            DumpVariable (result, &exe_ctx, variable);
780                    }
781                }
782            }
783            result.SetStatus (eReturnStatusSuccessFinishResult);
784        }
785        return result.Succeeded();
786    }
787protected:
788
789    CommandOptions m_options;
790};
791
792lldb::OptionDefinition
793CommandObjectFrameVariable::CommandOptions::g_option_table[] =
794{
795{ LLDB_OPT_SET_1, false, "debug",      'D', no_argument,       NULL, 0, NULL,        "Show verbose debug information."},
796{ LLDB_OPT_SET_1, false, "depth",      'd', required_argument, NULL, 0, "<count>",   "Set the max recurse depth when dumping aggregate types (default is infinity)."},
797{ LLDB_OPT_SET_1, false, "globals",    'g', no_argument,       NULL, 0, NULL,        "List global and static variables for the current stack frame source file."},
798{ LLDB_OPT_SET_1, false, "global",     'G', required_argument, NULL, 0, NULL,        "Find a global variable by name (which might not be in the current stack frame source file)."},
799{ LLDB_OPT_SET_1, false, "location",   'L', no_argument,       NULL, 0, NULL,        "Show variable location information."},
800{ 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."},
801{ LLDB_OPT_SET_1, false, "no-args",    'a', no_argument,       NULL, 0, NULL,        "Omit function arguments."},
802{ LLDB_OPT_SET_1, false, "no-locals",  'l', no_argument,       NULL, 0, NULL,        "Omit local variables."},
803{ LLDB_OPT_SET_1, false, "no-types",   't', no_argument,       NULL, 0, NULL,        "Omit variable type names."},
804{ LLDB_OPT_SET_1, false, "no-summary", 'y', no_argument,       NULL, 0, NULL,        "Omit summary information."},
805{ LLDB_OPT_SET_1, false, "scope",      's', no_argument,       NULL, 0, NULL,        "Show variable scope (argument, local, global, static)."},
806{ 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."},
807{ 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)."},
808{ LLDB_OPT_SET_1, false, "regex",      'r', no_argument,       NULL, 0, NULL,        "The <name> argument for name lookups are regular expressions."},
809{ 0, false, NULL, 0, 0, NULL, NULL, NULL, NULL }
810};
811#pragma mark CommandObjectMultiwordFrame
812
813//-------------------------------------------------------------------------
814// CommandObjectMultiwordFrame
815//-------------------------------------------------------------------------
816
817CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter &interpreter) :
818    CommandObjectMultiword ("frame",
819                            "A set of commands for operating on the current thread's frames.",
820                            "frame <subcommand> [<subcommand-options>]")
821{
822    LoadSubCommand (interpreter, "info",   CommandObjectSP (new CommandObjectFrameInfo ()));
823    LoadSubCommand (interpreter, "select", CommandObjectSP (new CommandObjectFrameSelect ()));
824    LoadSubCommand (interpreter, "variable", CommandObjectSP (new CommandObjectFrameVariable ()));
825}
826
827CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame ()
828{
829}
830
831