1 //===-- OptionValuePathMappings.cpp -----------------------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "lldb/Interpreter/OptionValuePathMappings.h"
11 #include "lldb/Host/FileSystem.h"
12 #include "lldb/Host/StringConvert.h"
13 #include "lldb/Utility/Args.h"
14 #include "lldb/Utility/FileSpec.h"
15 #include "lldb/Utility/Stream.h"
18 using namespace lldb_private;
20 static bool VerifyPathExists(const char *path) {
22 return FileSystem::Instance().Exists(path);
28 void OptionValuePathMappings::DumpValue(const ExecutionContext *exe_ctx,
29 Stream &strm, uint32_t dump_mask) {
30 if (dump_mask & eDumpOptionType)
31 strm.Printf("(%s)", GetTypeAsCString());
32 if (dump_mask & eDumpOptionValue) {
33 if (dump_mask & eDumpOptionType)
34 strm.Printf(" =%s", (m_path_mappings.GetSize() > 0) ? "\n" : "");
35 m_path_mappings.Dump(&strm);
39 Status OptionValuePathMappings::SetValueFromString(llvm::StringRef value,
40 VarSetOperationType op) {
42 Args args(value.str());
43 const size_t argc = args.GetArgumentCount();
46 case eVarSetOperationClear:
51 case eVarSetOperationReplace:
52 // Must be at least one index + 1 pair of paths, and the pair count must be
54 if (argc >= 3 && (((argc - 1) & 1) == 0)) {
56 StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
57 const uint32_t count = m_path_mappings.GetSize();
59 error.SetErrorStringWithFormat(
60 "invalid file list index %u, index must be 0 through %u", idx,
64 for (size_t i = 1; i < argc; i += 2, ++idx) {
65 const char *orginal_path = args.GetArgumentAtIndex(i);
66 const char *replace_path = args.GetArgumentAtIndex(i + 1);
67 if (VerifyPathExists(replace_path)) {
68 ConstString a(orginal_path);
69 ConstString b(replace_path);
70 if (!m_path_mappings.Replace(a, b, idx, m_notify_changes))
71 m_path_mappings.Append(a, b, m_notify_changes);
74 error.SetErrorStringWithFormat(
75 "the replacement path doesn't exist: \"%s\"", replace_path);
83 error.SetErrorString("replace operation takes an array index followed by "
84 "one or more path pairs");
88 case eVarSetOperationAssign:
89 if (argc < 2 || (argc & 1)) {
90 error.SetErrorString("assign operation takes one or more path pairs");
93 m_path_mappings.Clear(m_notify_changes);
94 // Fall through to append case
96 case eVarSetOperationAppend:
97 if (argc < 2 || (argc & 1)) {
98 error.SetErrorString("append operation takes one or more path pairs");
101 bool changed = false;
102 for (size_t i = 0; i < argc; i += 2) {
103 const char *orginal_path = args.GetArgumentAtIndex(i);
104 const char *replace_path = args.GetArgumentAtIndex(i + 1);
105 if (VerifyPathExists(replace_path)) {
106 ConstString a(orginal_path);
107 ConstString b(replace_path);
108 m_path_mappings.Append(a, b, m_notify_changes);
109 m_value_was_set = true;
112 error.SetErrorStringWithFormat(
113 "the replacement path doesn't exist: \"%s\"", replace_path);
118 NotifyValueChanged();
122 case eVarSetOperationInsertBefore:
123 case eVarSetOperationInsertAfter:
124 // Must be at least one index + 1 pair of paths, and the pair count must be
126 if (argc >= 3 && (((argc - 1) & 1) == 0)) {
128 StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
129 const uint32_t count = m_path_mappings.GetSize();
131 error.SetErrorStringWithFormat(
132 "invalid file list index %u, index must be 0 through %u", idx,
135 bool changed = false;
136 if (op == eVarSetOperationInsertAfter)
138 for (size_t i = 1; i < argc; i += 2, ++idx) {
139 const char *orginal_path = args.GetArgumentAtIndex(i);
140 const char *replace_path = args.GetArgumentAtIndex(i + 1);
141 if (VerifyPathExists(replace_path)) {
142 ConstString a(orginal_path);
143 ConstString b(replace_path);
144 m_path_mappings.Insert(a, b, idx, m_notify_changes);
147 error.SetErrorStringWithFormat(
148 "the replacement path doesn't exist: \"%s\"", replace_path);
153 NotifyValueChanged();
156 error.SetErrorString("insert operation takes an array index followed by "
157 "one or more path pairs");
161 case eVarSetOperationRemove:
163 std::vector<int> remove_indexes;
164 bool all_indexes_valid = true;
166 for (i = 0; all_indexes_valid && i < argc; ++i) {
168 StringConvert::ToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
169 if (idx == INT32_MAX)
170 all_indexes_valid = false;
172 remove_indexes.push_back(idx);
175 if (all_indexes_valid) {
176 size_t num_remove_indexes = remove_indexes.size();
177 if (num_remove_indexes) {
178 // Sort and then erase in reverse so indexes are always valid
179 llvm::sort(remove_indexes.begin(), remove_indexes.end());
180 for (size_t j = num_remove_indexes - 1; j < num_remove_indexes; ++j) {
181 m_path_mappings.Remove(j, m_notify_changes);
184 NotifyValueChanged();
186 error.SetErrorStringWithFormat(
187 "invalid array index '%s', aborting remove operation",
188 args.GetArgumentAtIndex(i));
191 error.SetErrorString("remove operation takes one or more array index");
195 case eVarSetOperationInvalid:
196 error = OptionValue::SetValueFromString(value, op);
202 lldb::OptionValueSP OptionValuePathMappings::DeepCopy() const {
203 return OptionValueSP(new OptionValuePathMappings(*this));