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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
| //===-- OptionValuePathMappings.cpp -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Interpreter/OptionValuePathMappings.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/StringConvert.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
namespace {
static bool VerifyPathExists(const char *path) {
if (path && path[0])
return FileSystem::Instance().Exists(path);
else
return false;
}
}
void OptionValuePathMappings::DumpValue(const ExecutionContext *exe_ctx,
Stream &strm, uint32_t dump_mask) {
if (dump_mask & eDumpOptionType)
strm.Printf("(%s)", GetTypeAsCString());
if (dump_mask & eDumpOptionValue) {
if (dump_mask & eDumpOptionType)
strm.Printf(" =%s", (m_path_mappings.GetSize() > 0) ? "\n" : "");
m_path_mappings.Dump(&strm);
}
}
Status OptionValuePathMappings::SetValueFromString(llvm::StringRef value,
VarSetOperationType op) {
Status error;
Args args(value.str());
const size_t argc = args.GetArgumentCount();
switch (op) {
case eVarSetOperationClear:
Clear();
NotifyValueChanged();
break;
case eVarSetOperationReplace:
// Must be at least one index + 1 pair of paths, and the pair count must be
// even
if (argc >= 3 && (((argc - 1) & 1) == 0)) {
uint32_t idx =
StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
const uint32_t count = m_path_mappings.GetSize();
if (idx > count) {
error.SetErrorStringWithFormat(
"invalid file list index %u, index must be 0 through %u", idx,
count);
} else {
bool changed = false;
for (size_t i = 1; i < argc; i += 2, ++idx) {
const char *orginal_path = args.GetArgumentAtIndex(i);
const char *replace_path = args.GetArgumentAtIndex(i + 1);
if (VerifyPathExists(replace_path)) {
ConstString a(orginal_path);
ConstString b(replace_path);
if (!m_path_mappings.Replace(a, b, idx, m_notify_changes))
m_path_mappings.Append(a, b, m_notify_changes);
changed = true;
} else {
error.SetErrorStringWithFormat(
"the replacement path doesn't exist: \"%s\"", replace_path);
break;
}
}
if (changed)
NotifyValueChanged();
}
} else {
error.SetErrorString("replace operation takes an array index followed by "
"one or more path pairs");
}
break;
case eVarSetOperationAssign:
if (argc < 2 || (argc & 1)) {
error.SetErrorString("assign operation takes one or more path pairs");
break;
}
m_path_mappings.Clear(m_notify_changes);
// Fall through to append case
LLVM_FALLTHROUGH;
case eVarSetOperationAppend:
if (argc < 2 || (argc & 1)) {
error.SetErrorString("append operation takes one or more path pairs");
break;
} else {
bool changed = false;
for (size_t i = 0; i < argc; i += 2) {
const char *orginal_path = args.GetArgumentAtIndex(i);
const char *replace_path = args.GetArgumentAtIndex(i + 1);
if (VerifyPathExists(replace_path)) {
ConstString a(orginal_path);
ConstString b(replace_path);
m_path_mappings.Append(a, b, m_notify_changes);
m_value_was_set = true;
changed = true;
} else {
error.SetErrorStringWithFormat(
"the replacement path doesn't exist: \"%s\"", replace_path);
break;
}
}
if (changed)
NotifyValueChanged();
}
break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
// Must be at least one index + 1 pair of paths, and the pair count must be
// even
if (argc >= 3 && (((argc - 1) & 1) == 0)) {
uint32_t idx =
StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
const uint32_t count = m_path_mappings.GetSize();
if (idx > count) {
error.SetErrorStringWithFormat(
"invalid file list index %u, index must be 0 through %u", idx,
count);
} else {
bool changed = false;
if (op == eVarSetOperationInsertAfter)
++idx;
for (size_t i = 1; i < argc; i += 2, ++idx) {
const char *orginal_path = args.GetArgumentAtIndex(i);
const char *replace_path = args.GetArgumentAtIndex(i + 1);
if (VerifyPathExists(replace_path)) {
ConstString a(orginal_path);
ConstString b(replace_path);
m_path_mappings.Insert(a, b, idx, m_notify_changes);
changed = true;
} else {
error.SetErrorStringWithFormat(
"the replacement path doesn't exist: \"%s\"", replace_path);
break;
}
}
if (changed)
NotifyValueChanged();
}
} else {
error.SetErrorString("insert operation takes an array index followed by "
"one or more path pairs");
}
break;
case eVarSetOperationRemove:
if (argc > 0) {
std::vector<int> remove_indexes;
bool all_indexes_valid = true;
size_t i;
for (i = 0; all_indexes_valid && i < argc; ++i) {
const int idx =
StringConvert::ToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
if (idx == INT32_MAX)
all_indexes_valid = false;
else
remove_indexes.push_back(idx);
}
if (all_indexes_valid) {
size_t num_remove_indexes = remove_indexes.size();
if (num_remove_indexes) {
// Sort and then erase in reverse so indexes are always valid
llvm::sort(remove_indexes.begin(), remove_indexes.end());
for (size_t j = num_remove_indexes - 1; j < num_remove_indexes; ++j) {
m_path_mappings.Remove(j, m_notify_changes);
}
}
NotifyValueChanged();
} else {
error.SetErrorStringWithFormat(
"invalid array index '%s', aborting remove operation",
args.GetArgumentAtIndex(i));
}
} else {
error.SetErrorString("remove operation takes one or more array index");
}
break;
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromString(value, op);
break;
}
return error;
}
lldb::OptionValueSP OptionValuePathMappings::DeepCopy() const {
return OptionValueSP(new OptionValuePathMappings(*this));
}
|