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
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmDebuggerBreakpointManager.h"
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <cm3p/cppdap/optional.h>
#include <cm3p/cppdap/session.h>
#include <cm3p/cppdap/types.h>
#include "cmDebuggerSourceBreakpoint.h"
#include "cmListFileCache.h"
#include "cmSystemTools.h"
namespace cmDebugger {
cmDebuggerBreakpointManager::cmDebuggerBreakpointManager(
dap::Session* dapSession)
: DapSession(dapSession)
{
// https://microsoft.github.io/debug-adapter-protocol/specification#Requests_SetBreakpoints
DapSession->registerHandler([&](const dap::SetBreakpointsRequest& request) {
return HandleSetBreakpointsRequest(request);
});
}
int64_t cmDebuggerBreakpointManager::FindFunctionStartLine(
std::string const& sourcePath, int64_t line)
{
auto location =
find_if(ListFileFunctionLines[sourcePath].begin(),
ListFileFunctionLines[sourcePath].end(),
[=](cmDebuggerFunctionLocation const& loc) {
return loc.StartLine <= line && loc.EndLine >= line;
});
if (location != ListFileFunctionLines[sourcePath].end()) {
return location->StartLine;
}
return 0;
}
int64_t cmDebuggerBreakpointManager::CalibrateBreakpointLine(
std::string const& sourcePath, int64_t line)
{
auto location = find_if(ListFileFunctionLines[sourcePath].begin(),
ListFileFunctionLines[sourcePath].end(),
[=](cmDebuggerFunctionLocation const& loc) {
return loc.StartLine >= line;
});
if (location != ListFileFunctionLines[sourcePath].end()) {
return location->StartLine;
}
if (!ListFileFunctionLines[sourcePath].empty() &&
ListFileFunctionLines[sourcePath].back().EndLine <= line) {
// return last function start line for any breakpoints after.
return ListFileFunctionLines[sourcePath].back().StartLine;
}
return 0;
}
dap::SetBreakpointsResponse
cmDebuggerBreakpointManager::HandleSetBreakpointsRequest(
dap::SetBreakpointsRequest const& request)
{
std::unique_lock<std::mutex> lock(Mutex);
dap::SetBreakpointsResponse response;
auto sourcePath =
cmSystemTools::GetActualCaseForPath(request.source.path.value());
const dap::array<dap::SourceBreakpoint> defaultValue{};
const auto& breakpoints = request.breakpoints.value(defaultValue);
if (ListFileFunctionLines.find(sourcePath) != ListFileFunctionLines.end()) {
// The file has loaded, we can validate breakpoints.
if (Breakpoints.find(sourcePath) != Breakpoints.end()) {
Breakpoints[sourcePath].clear();
}
response.breakpoints.resize(breakpoints.size());
for (size_t i = 0; i < breakpoints.size(); i++) {
int64_t correctedLine =
CalibrateBreakpointLine(sourcePath, breakpoints[i].line);
if (correctedLine > 0) {
Breakpoints[sourcePath].emplace_back(NextBreakpointId++,
correctedLine);
response.breakpoints[i].id = Breakpoints[sourcePath].back().GetId();
response.breakpoints[i].line =
Breakpoints[sourcePath].back().GetLine();
response.breakpoints[i].verified = true;
} else {
response.breakpoints[i].verified = false;
response.breakpoints[i].line = breakpoints[i].line;
}
dap::Source dapSrc;
dapSrc.path = sourcePath;
response.breakpoints[i].source = dapSrc;
}
} else {
// The file has not loaded, validate breakpoints later.
ListFilePendingValidations.emplace(sourcePath);
response.breakpoints.resize(breakpoints.size());
for (size_t i = 0; i < breakpoints.size(); i++) {
Breakpoints[sourcePath].emplace_back(NextBreakpointId++,
breakpoints[i].line);
response.breakpoints[i].id = Breakpoints[sourcePath].back().GetId();
response.breakpoints[i].line = Breakpoints[sourcePath].back().GetLine();
response.breakpoints[i].verified = false;
dap::Source dapSrc;
dapSrc.path = sourcePath;
response.breakpoints[i].source = dapSrc;
}
}
return response;
}
void cmDebuggerBreakpointManager::SourceFileLoaded(
std::string const& sourcePath,
std::vector<cmListFileFunction> const& functions)
{
std::unique_lock<std::mutex> lock(Mutex);
if (ListFileFunctionLines.find(sourcePath) != ListFileFunctionLines.end()) {
// this is not expected.
return;
}
for (cmListFileFunction const& func : functions) {
ListFileFunctionLines[sourcePath].emplace_back(
cmDebuggerFunctionLocation{ func.Line(), func.LineEnd() });
}
if (ListFilePendingValidations.find(sourcePath) ==
ListFilePendingValidations.end()) {
return;
}
ListFilePendingValidations.erase(sourcePath);
for (size_t i = 0; i < Breakpoints[sourcePath].size(); i++) {
dap::BreakpointEvent breakpointEvent;
breakpointEvent.breakpoint.id = Breakpoints[sourcePath][i].GetId();
breakpointEvent.breakpoint.line = Breakpoints[sourcePath][i].GetLine();
auto source = dap::Source();
source.path = sourcePath;
breakpointEvent.breakpoint.source = source;
int64_t correctedLine = CalibrateBreakpointLine(
sourcePath, Breakpoints[sourcePath][i].GetLine());
if (correctedLine != Breakpoints[sourcePath][i].GetLine()) {
Breakpoints[sourcePath][i].ChangeLine(correctedLine);
}
breakpointEvent.reason = "changed";
breakpointEvent.breakpoint.verified = (correctedLine > 0);
if (breakpointEvent.breakpoint.verified) {
breakpointEvent.breakpoint.line = correctedLine;
} else {
Breakpoints[sourcePath][i].Invalid();
}
DapSession->send(breakpointEvent);
}
}
std::vector<int64_t> cmDebuggerBreakpointManager::GetBreakpoints(
std::string const& sourcePath, int64_t line)
{
std::unique_lock<std::mutex> lock(Mutex);
const auto& all = Breakpoints[sourcePath];
std::vector<int64_t> breakpoints;
if (all.empty()) {
return breakpoints;
}
auto it = all.begin();
while ((it = std::find_if(
it, all.end(), [&](const cmDebuggerSourceBreakpoint& breakpoint) {
return (breakpoint.GetIsValid() && breakpoint.GetLine() == line);
})) != all.end()) {
breakpoints.emplace_back(it->GetId());
++it;
}
return breakpoints;
}
void cmDebuggerBreakpointManager::ClearAll()
{
std::unique_lock<std::mutex> lock(Mutex);
Breakpoints.clear();
}
} // namespace cmDebugger
|
