1 //===-- OptionGroupValueObjectDisplay.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 "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Target/Target.h"
17 #include "lldb/Interpreter/CommandInterpreter.h"
18 
19 using namespace lldb;
20 using namespace lldb_private;
21 
22 OptionGroupValueObjectDisplay::OptionGroupValueObjectDisplay()
23 {
24 }
25 
26 OptionGroupValueObjectDisplay::~OptionGroupValueObjectDisplay ()
27 {
28 }
29 
30 static OptionDefinition
31 g_option_table[] =
32 {
33     { LLDB_OPT_SET_1, false, "dynamic-type",    'd', required_argument, TargetInstanceSettings::g_dynamic_value_types,
34                                                                               0, eArgTypeNone,   "Show the object as its full dynamic type, not its static type, if available."},
35     { LLDB_OPT_SET_1, false, "depth",           'D', required_argument, NULL, 0, eArgTypeCount,     "Set the max recurse depth when dumping aggregate types (default is infinity)."},
36     { 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."},
37     { LLDB_OPT_SET_1, false, "location",        'L', no_argument,       NULL, 0, eArgTypeNone,      "Show variable location information."},
38     { LLDB_OPT_SET_1, false, "objc",            'O', no_argument,       NULL, 0, eArgTypeNone,      "Print as an Objective-C object."},
39     { 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)."},
40     { LLDB_OPT_SET_1, false, "show-types",      'T', no_argument,       NULL, 0, eArgTypeNone,      "Show variable types when dumping values."},
41     { LLDB_OPT_SET_1, false, "no-summary",      'Y', no_argument,       NULL, 0, eArgTypeNone,      "Omit summary information."},
42     { 0, false, NULL, 0, 0, NULL, NULL, eArgTypeNone, NULL }
43 };
44 
45 const uint32_t k_num_file_options = sizeof(g_option_table)/sizeof(OptionDefinition);
46 
47 uint32_t
48 OptionGroupValueObjectDisplay::GetNumDefinitions ()
49 {
50     return k_num_file_options;
51 }
52 
53 const OptionDefinition *
54 OptionGroupValueObjectDisplay::GetDefinitions ()
55 {
56     return g_option_table;
57 }
58 
59 
60 Error
61 OptionGroupValueObjectDisplay::SetOptionValue (CommandInterpreter &interpreter,
62                                                uint32_t option_idx,
63                                                const char *option_arg)
64 {
65     Error error;
66     char short_option = (char) g_option_table[option_idx].short_option;
67     bool success = false;
68 
69     switch (short_option)
70     {
71         case 'd':
72             {
73                 bool success;
74                 int32_t result;
75                 result = Args::StringToOptionEnum (option_arg, TargetInstanceSettings::g_dynamic_value_types, 2, &success);
76                 if (!success)
77                     error.SetErrorStringWithFormat("Invalid dynamic value setting: \"%s\".\n", option_arg);
78                 else
79                     use_dynamic = (lldb::DynamicValueType) result;
80             }
81             break;
82         case 'T':   show_types   = true;  break;
83         case 'Y':   show_summary = false; break;
84         case 'L':   show_location= true;  break;
85         case 'F':   flat_output  = true;  break;
86         case 'O':   use_objc = true;      break;
87         case 'D':
88             max_depth = Args::StringToUInt32 (option_arg, UINT32_MAX, 0, &success);
89             if (!success)
90                 error.SetErrorStringWithFormat("Invalid max depth '%s'.\n", option_arg);
91             break;
92 
93         case 'P':
94             ptr_depth = Args::StringToUInt32 (option_arg, 0, 0, &success);
95             if (!success)
96                 error.SetErrorStringWithFormat("Invalid pointer depth '%s'.\n", option_arg);
97             break;
98 
99         default:
100             error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
101             break;
102     }
103 
104     return error;
105 }
106 
107 void
108 OptionGroupValueObjectDisplay::OptionParsingStarting (CommandInterpreter &interpreter)
109 {
110     show_types    = false;
111     show_summary  = true;
112     show_location = false;
113     flat_output   = false;
114     use_objc      = false;
115     max_depth     = UINT32_MAX;
116     ptr_depth     = 0;
117 
118     Target *target = interpreter.GetExecutionContext().target;
119     if (target != NULL)
120         use_dynamic = target->GetPreferDynamicValue();
121     else
122     {
123         // If we don't have any targets, then dynamic values won't do us much good.
124         use_dynamic = lldb::eNoDynamicValues;
125     }
126 }
127