1 //===-- OptionGroupVariable.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/OptionGroupVariable.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 #include "lldb/Utility/Utils.h"
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 
23 // if you add any options here, remember to update the counters in OptionGroupVariable::GetNumDefinitions()
24 static OptionDefinition
25 g_option_table[] =
26 {
27     { LLDB_OPT_SET_1, false, "no-args",         'a', no_argument,       NULL, 0, eArgTypeNone,    "Omit function arguments."},
28     { LLDB_OPT_SET_1, false, "no-locals",       'l', no_argument,       NULL, 0, eArgTypeNone,    "Omit local variables."},
29     { LLDB_OPT_SET_1, false, "show-globals",    'g', no_argument,       NULL, 0, eArgTypeNone,    "Show the current frame source file global and static variables."},
30     { 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)."},
31     { LLDB_OPT_SET_1, false, "regex",           'r', no_argument,       NULL, 0, eArgTypeRegularExpression,    "The <variable-name> argument for name lookups are regular expressions."},
32     { LLDB_OPT_SET_1, false, "scope",           's', no_argument,       NULL, 0, eArgTypeNone,    "Show variable scope (argument, local, global, static)."},
33     { LLDB_OPT_SET_1, false, "summary",         'y', required_argument, NULL, 0, eArgTypeName,  "Specify the summary that the variable output should use."},
34 };
35 
36 
37 OptionGroupVariable::OptionGroupVariable (bool show_frame_options) :
38     OptionGroup(),
39     include_frame_options (show_frame_options)
40 {
41 }
42 
43 OptionGroupVariable::~OptionGroupVariable ()
44 {
45 }
46 
47 Error
48 OptionGroupVariable::SetOptionValue (CommandInterpreter &interpreter,
49                                      uint32_t option_idx,
50                                      const char *option_arg)
51 {
52     Error error;
53     if (!include_frame_options)
54         option_idx += 3;
55     char short_option = (char) g_option_table[option_idx].short_option;
56     switch (short_option)
57     {
58         case 'r':   use_regex    = true;  break;
59         case 'a':   show_args    = false; break;
60         case 'l':   show_locals  = false; break;
61         case 'g':   show_globals = true;  break;
62         case 'c':   show_decl    = true;  break;
63         case 's':
64             show_scope = true;
65             break;
66         case 'y':
67             summary = std::string(option_arg);
68             break;
69         default:
70             error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option);
71             break;
72     }
73 
74     return error;
75 }
76 
77 void
78 OptionGroupVariable::OptionParsingStarting (CommandInterpreter &interpreter)
79 {
80     show_args     = true;   // Frame option only
81     show_locals   = true;   // Frame option only
82     show_globals  = false;  // Frame option only
83     show_decl     = false;
84     use_regex     = false;
85     show_scope    = false;
86     summary       = "";
87 }
88 
89 #define NUM_FRAME_OPTS 3
90 
91 const OptionDefinition*
92 OptionGroupVariable::GetDefinitions ()
93 {
94     // Show the "--no-args", "--no-locals" and "--show-globals"
95     // options if we are showing frame specific options
96     if (include_frame_options)
97         return g_option_table;
98 
99     // Skip the "--no-args", "--no-locals" and "--show-globals"
100     // options if we are not showing frame specific options (globals only)
101     return &g_option_table[NUM_FRAME_OPTS];
102 }
103 
104 uint32_t
105 OptionGroupVariable::GetNumDefinitions ()
106 {
107     // Count the "--no-args", "--no-locals" and "--show-globals"
108     // options if we are showing frame specific options.
109     if (include_frame_options)
110         return arraysize(g_option_table);
111     else
112         return arraysize(g_option_table) - NUM_FRAME_OPTS;
113 }
114 
115 
116