OptionGroupWatchpoint.cpp revision 34bbf85e60949752de9c8272a70d59383e523cc5 
1//===-- OptionGroupWatchpoint.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/OptionGroupWatchpoint.h"
11
12// C Includes
13// C++ Includes
14// Other libraries and framework includes
15// Project includes
16#include "lldb/lldb-enumerations.h"
17#include "lldb/Interpreter/Args.h"
18#include "lldb/Utility/Utils.h"
19
20using namespace lldb;
21using namespace lldb_private;
22
23static OptionEnumValueElement g_watch_type[] =
24{
25    { OptionGroupWatchpoint::eWatchRead,      "read",       "Watch for read"},
26    { OptionGroupWatchpoint::eWatchWrite,     "write",      "Watch for write"},
27    { OptionGroupWatchpoint::eWatchReadWrite, "read_write", "Watch for read/write"},
28    { 0, NULL, NULL }
29};
30
31// if you add any options here, remember to update the counters in OptionGroupWatchpoint::GetNumDefinitions()
32static OptionDefinition
33g_option_table[] =
34{
35    { LLDB_OPT_SET_1, false, "watch", 'w', required_argument, g_watch_type, 0, eArgTypeWatchType, "Determine how to watch a memory location (read, write, or read/write)."}
36};
37
38
39OptionGroupWatchpoint::OptionGroupWatchpoint () :
40    OptionGroup()
41{
42}
43
44OptionGroupWatchpoint::~OptionGroupWatchpoint ()
45{
46}
47
48Error
49OptionGroupWatchpoint::SetOptionValue (CommandInterpreter &interpreter,
50                                       uint32_t option_idx,
51                                       const char *option_arg)
52{
53    Error error;
54    char short_option = (char) g_option_table[option_idx].short_option;
55    switch (short_option)
56    {
57        case 'w': {
58            OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values;
59            watch_type = (WatchType) Args::StringToOptionEnum(option_arg, enum_values, 0, &watch_variable);
60            if (!watch_variable)
61                error.SetErrorStringWithFormat("Invalid option arg for '-w': '%s'.\n", option_arg);
62            break;
63        }
64        default:
65            error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option);
66            break;
67    }
68
69    return error;
70}
71
72void
73OptionGroupWatchpoint::OptionParsingStarting (CommandInterpreter &interpreter)
74{
75    watch_variable = false;
76    watch_type     = eWatchInvalid;
77}
78
79
80const OptionDefinition*
81OptionGroupWatchpoint::GetDefinitions ()
82{
83    return g_option_table;
84}
85
86uint32_t
87OptionGroupWatchpoint::GetNumDefinitions ()
88{
89    return arraysize(g_option_table);
90}
91