1//===-- VariableList.cpp --------------------------------------------------===//
2//
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
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Symbol/VariableList.h"
10
11#include "lldb/Symbol/Block.h"
12#include "lldb/Symbol/CompileUnit.h"
13#include "lldb/Symbol/Function.h"
14#include "lldb/Utility/RegularExpression.h"
15
16using namespace lldb;
17using namespace lldb_private;
18
19// VariableList constructor
20VariableList::VariableList() : m_variables() {}
21
22// Destructor
23VariableList::~VariableList() = default;
24
25void VariableList::AddVariable(const VariableSP &var_sp) {
26 m_variables.push_back(x: var_sp);
27}
28
29bool VariableList::AddVariableIfUnique(const lldb::VariableSP &var_sp) {
30 if (FindVariableIndex(var_sp) == UINT32_MAX) {
31 m_variables.push_back(x: var_sp);
32 return true;
33 }
34 return false;
35}
36
37void VariableList::AddVariables(VariableList *variable_list) {
38 if (variable_list) {
39 std::copy(first: variable_list->m_variables.begin(), // source begin
40 last: variable_list->m_variables.end(), // source end
41 result: back_inserter(x&: m_variables)); // destination
42 }
43}
44
45void VariableList::Clear() { m_variables.clear(); }
46
47VariableSP VariableList::GetVariableAtIndex(size_t idx) const {
48 VariableSP var_sp;
49 if (idx < m_variables.size())
50 var_sp = m_variables[idx];
51 return var_sp;
52}
53
54VariableSP VariableList::RemoveVariableAtIndex(size_t idx) {
55 VariableSP var_sp;
56 if (idx < m_variables.size()) {
57 var_sp = m_variables[idx];
58 m_variables.erase(position: m_variables.begin() + idx);
59 }
60 return var_sp;
61}
62
63uint32_t VariableList::FindVariableIndex(const VariableSP &var_sp) {
64 iterator pos, end = m_variables.end();
65 for (pos = m_variables.begin(); pos != end; ++pos) {
66 if (pos->get() == var_sp.get())
67 return std::distance(first: m_variables.begin(), last: pos);
68 }
69 return UINT32_MAX;
70}
71
72VariableSP VariableList::FindVariable(ConstString name,
73 bool include_static_members) {
74 VariableSP var_sp;
75 iterator pos, end = m_variables.end();
76 for (pos = m_variables.begin(); pos != end; ++pos) {
77 if ((*pos)->NameMatches(name)) {
78 if (include_static_members || !(*pos)->IsStaticMember()) {
79 var_sp = (*pos);
80 break;
81 }
82 }
83 }
84 return var_sp;
85}
86
87VariableSP VariableList::FindVariable(ConstString name,
88 lldb::ValueType value_type,
89 bool include_static_members) {
90 VariableSP var_sp;
91 iterator pos, end = m_variables.end();
92 for (pos = m_variables.begin(); pos != end; ++pos) {
93 if ((*pos)->NameMatches(name) && (*pos)->GetScope() == value_type) {
94 if (include_static_members || !(*pos)->IsStaticMember()) {
95 var_sp = (*pos);
96 break;
97 }
98 }
99 }
100 return var_sp;
101}
102
103size_t VariableList::AppendVariablesIfUnique(VariableList &var_list) {
104 const size_t initial_size = var_list.GetSize();
105 iterator pos, end = m_variables.end();
106 for (pos = m_variables.begin(); pos != end; ++pos)
107 var_list.AddVariableIfUnique(var_sp: *pos);
108 return var_list.GetSize() - initial_size;
109}
110
111size_t VariableList::AppendVariablesIfUnique(const RegularExpression &regex,
112 VariableList &var_list,
113 size_t &total_matches) {
114 const size_t initial_size = var_list.GetSize();
115 iterator pos, end = m_variables.end();
116 for (pos = m_variables.begin(); pos != end; ++pos) {
117 if ((*pos)->NameMatches(regex)) {
118 // Note the total matches found
119 total_matches++;
120 // Only add this variable if it isn't already in the "var_list"
121 var_list.AddVariableIfUnique(var_sp: *pos);
122 }
123 }
124 // Return the number of new unique variables added to "var_list"
125 return var_list.GetSize() - initial_size;
126}
127
128size_t VariableList::AppendVariablesWithScope(lldb::ValueType type,
129 VariableList &var_list,
130 bool if_unique) {
131 const size_t initial_size = var_list.GetSize();
132 iterator pos, end = m_variables.end();
133 for (pos = m_variables.begin(); pos != end; ++pos) {
134 if ((*pos)->GetScope() == type) {
135 if (if_unique)
136 var_list.AddVariableIfUnique(var_sp: *pos);
137 else
138 var_list.AddVariable(var_sp: *pos);
139 }
140 }
141 // Return the number of new unique variables added to "var_list"
142 return var_list.GetSize() - initial_size;
143}
144
145uint32_t VariableList::FindIndexForVariable(Variable *variable) {
146 VariableSP var_sp;
147 iterator pos;
148 const iterator begin = m_variables.begin();
149 const iterator end = m_variables.end();
150 for (pos = m_variables.begin(); pos != end; ++pos) {
151 if ((*pos).get() == variable)
152 return std::distance(first: begin, last: pos);
153 }
154 return UINT32_MAX;
155}
156
157size_t VariableList::MemorySize() const {
158 size_t mem_size = sizeof(VariableList);
159 const_iterator pos, end = m_variables.end();
160 for (pos = m_variables.begin(); pos != end; ++pos)
161 mem_size += (*pos)->MemorySize();
162 return mem_size;
163}
164
165size_t VariableList::GetSize() const { return m_variables.size(); }
166
167void VariableList::Dump(Stream *s, bool show_context) const {
168 // s.Printf("%.*p: ", (int)sizeof(void*) * 2, this);
169 // s.Indent();
170 // s << "VariableList\n";
171
172 const_iterator pos, end = m_variables.end();
173 for (pos = m_variables.begin(); pos != end; ++pos) {
174 (*pos)->Dump(s, show_context);
175 }
176}
177

source code of lldb/source/Symbol/VariableList.cpp