1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
//===-- BreakpointID.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
#include <stdio.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/BreakpointID.h"
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Core/Stream.h"
using namespace lldb;
using namespace lldb_private;
BreakpointID::BreakpointID (break_id_t bp_id, break_id_t loc_id) :
m_break_id (bp_id),
m_location_id (loc_id)
{
}
BreakpointID::~BreakpointID ()
{
}
const char *BreakpointID::g_range_specifiers[] = { "-", "to", "To", "TO", NULL };
// Tells whether or not STR is valid to use between two strings representing breakpoint IDs, to
// indicate a range of breakpoint IDs. This is broken out into a separate function so that we can
// easily change or add to the format for specifying ID ranges at a later date.
bool
BreakpointID::IsRangeIdentifier (const char *str)
{
int specifier_count = 0;
for (int i = 0; g_range_specifiers[i] != NULL; ++i)
++specifier_count;
for (int i = 0; i < specifier_count; ++i)
{
if (strcmp (g_range_specifiers[i], str) == 0)
return true;
}
return false;
}
bool
BreakpointID::IsValidIDExpression (const char *str)
{
break_id_t bp_id;
break_id_t loc_id;
BreakpointID::ParseCanonicalReference (str, &bp_id, &loc_id);
if (bp_id == LLDB_INVALID_BREAK_ID)
return false;
else
return true;
}
void
BreakpointID::GetDescription (Stream *s, lldb::DescriptionLevel level)
{
if (level == eDescriptionLevelVerbose)
s->Printf("%p BreakpointID:", static_cast<void*>(this));
if (m_break_id == LLDB_INVALID_BREAK_ID)
s->PutCString ("<invalid>");
else if (m_location_id == LLDB_INVALID_BREAK_ID)
s->Printf("%i", m_break_id);
else
s->Printf("%i.%i", m_break_id, m_location_id);
}
void
BreakpointID::GetCanonicalReference (Stream *s, break_id_t bp_id, break_id_t loc_id)
{
if (bp_id == LLDB_INVALID_BREAK_ID)
s->PutCString ("<invalid>");
else if (loc_id == LLDB_INVALID_BREAK_ID)
s->Printf("%i", bp_id);
else
s->Printf("%i.%i", bp_id, loc_id);
}
bool
BreakpointID::ParseCanonicalReference (const char *input, break_id_t *break_id_ptr, break_id_t *break_loc_id_ptr)
{
*break_id_ptr = LLDB_INVALID_BREAK_ID;
*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
if (input == NULL || *input == '\0')
return false;
const char *format = "%i%n.%i%n";
int chars_consumed_1 = 0;
int chars_consumed_2 = 0;
int n_items_parsed = ::sscanf (input,
format,
break_id_ptr, // %i parse the breakpoint ID
&chars_consumed_1, // %n gets the number of characters parsed so far
break_loc_id_ptr, // %i parse the breakpoint location ID
&chars_consumed_2); // %n gets the number of characters parsed so far
if ((n_items_parsed == 1 && input[chars_consumed_1] == '\0') ||
(n_items_parsed == 2 && input[chars_consumed_2] == '\0'))
return true;
// Badly formatted canonical reference.
*break_id_ptr = LLDB_INVALID_BREAK_ID;
*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
return false;
}
|
