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VariableList.cpp
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1 //===-- VariableList.cpp ----------------------------------------*- C++ -*-===//
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 
10 
11 #include "lldb/Symbol/Block.h"
13 #include "lldb/Symbol/Function.h"
15 
16 using namespace lldb;
17 using namespace lldb_private;
18 
19 // VariableList constructor
20 VariableList::VariableList() : m_variables() {}
21 
22 // Destructor
24 
25 void VariableList::AddVariable(const VariableSP &var_sp) {
26  m_variables.push_back(var_sp);
27 }
28 
29 bool VariableList::AddVariableIfUnique(const lldb::VariableSP &var_sp) {
30  if (FindVariableIndex(var_sp) == UINT32_MAX) {
31  m_variables.push_back(var_sp);
32  return true;
33  }
34  return false;
35 }
36 
38  if (variable_list) {
39  std::copy(variable_list->m_variables.begin(), // source begin
40  variable_list->m_variables.end(), // source end
41  back_inserter(m_variables)); // destination
42  }
43 }
44 
45 void VariableList::Clear() { m_variables.clear(); }
46 
47 VariableSP 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 
54 VariableSP 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(m_variables.begin() + idx);
59  }
60  return var_sp;
61 }
62 
63 uint32_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(m_variables.begin(), pos);
68  }
69  return UINT32_MAX;
70 }
71 
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 
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 
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(*pos);
108  return var_list.GetSize() - initial_size;
109 }
110 
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(*pos);
122  }
123  }
124  // Return the number of new unique variables added to "var_list"
125  return var_list.GetSize() - initial_size;
126 }
127 
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(*pos);
137  else
138  var_list.AddVariable(*pos);
139  }
140  }
141  // Return the number of new unique variables added to "var_list"
142  return var_list.GetSize() - initial_size;
143 }
144 
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(begin, pos);
153  }
154  return UINT32_MAX;
155 }
156 
157 size_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 
165 size_t VariableList::GetSize() const { return m_variables.size(); }
166 
167 void 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 }
size_t AppendVariablesWithScope(lldb::ValueType type, VariableList &var_list, bool if_unique=true)
Enumerations for broadcasting.
Definition: SBLaunchInfo.h:14
void AddVariables(VariableList *variable_list)
A stream class that can stream formatted output to a file.
Definition: Stream.h:28
void AddVariable(const lldb::VariableSP &var_sp)
"lldb/Utility/RegularExpression.h" A C++ wrapper class for regex.
collection::iterator iterator
Definition: VariableList.h:70
collection::const_iterator const_iterator
Definition: VariableList.h:71
void Dump(Stream *s, bool show_context) const
#define UINT32_MAX
Definition: lldb-defines.h:31
lldb::VariableSP GetVariableAtIndex(size_t idx) const
lldb::VariableSP FindVariable(ConstString name, bool include_static_members=true)
uint32_t FindVariableIndex(const lldb::VariableSP &var_sp)
size_t AppendVariablesIfUnique(VariableList &var_list)
uint32_t FindIndexForVariable(Variable *variable)
A uniqued constant string class.
Definition: ConstString.h:38
bool AddVariableIfUnique(const lldb::VariableSP &var_sp)
Definition: SBAddress.h:15
lldb::VariableSP RemoveVariableAtIndex(size_t idx)