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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmMessenger.h"
#include "cmDocumentationFormatter.h"
#include "cmMessageMetadata.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#if !defined(CMAKE_BOOTSTRAP)
# include "cmsys/SystemInformation.hxx"
#endif
#include <sstream>
#include <utility>
#include "cmsys/Terminal.h"
MessageType cmMessenger::ConvertMessageType(MessageType t) const
{
bool warningsAsErrors;
if (t == MessageType::AUTHOR_WARNING || t == MessageType::AUTHOR_ERROR) {
warningsAsErrors = this->GetDevWarningsAsErrors();
if (warningsAsErrors && t == MessageType::AUTHOR_WARNING) {
t = MessageType::AUTHOR_ERROR;
} else if (!warningsAsErrors && t == MessageType::AUTHOR_ERROR) {
t = MessageType::AUTHOR_WARNING;
}
} else if (t == MessageType::DEPRECATION_WARNING ||
t == MessageType::DEPRECATION_ERROR) {
warningsAsErrors = this->GetDeprecatedWarningsAsErrors();
if (warningsAsErrors && t == MessageType::DEPRECATION_WARNING) {
t = MessageType::DEPRECATION_ERROR;
} else if (!warningsAsErrors && t == MessageType::DEPRECATION_ERROR) {
t = MessageType::DEPRECATION_WARNING;
}
}
return t;
}
bool cmMessenger::IsMessageTypeVisible(MessageType t) const
{
bool isVisible = true;
if (t == MessageType::DEPRECATION_ERROR) {
if (!this->GetDeprecatedWarningsAsErrors()) {
isVisible = false;
}
} else if (t == MessageType::DEPRECATION_WARNING) {
if (this->GetSuppressDeprecatedWarnings()) {
isVisible = false;
}
} else if (t == MessageType::AUTHOR_ERROR) {
if (!this->GetDevWarningsAsErrors()) {
isVisible = false;
}
} else if (t == MessageType::AUTHOR_WARNING) {
if (this->GetSuppressDevWarnings()) {
isVisible = false;
}
}
return isVisible;
}
static bool printMessagePreamble(MessageType t, std::ostream& msg)
{
// Construct the message header.
if (t == MessageType::FATAL_ERROR) {
msg << "CMake Error";
} else if (t == MessageType::INTERNAL_ERROR) {
msg << "CMake Internal Error (please report a bug)";
} else if (t == MessageType::LOG) {
msg << "CMake Debug Log";
} else if (t == MessageType::DEPRECATION_ERROR) {
msg << "CMake Deprecation Error";
} else if (t == MessageType::DEPRECATION_WARNING) {
msg << "CMake Deprecation Warning";
} else if (t == MessageType::AUTHOR_WARNING) {
msg << "CMake Warning (dev)";
} else if (t == MessageType::AUTHOR_ERROR) {
msg << "CMake Error (dev)";
} else {
msg << "CMake Warning";
}
return true;
}
static int getMessageColor(MessageType t)
{
switch (t) {
case MessageType::INTERNAL_ERROR:
case MessageType::FATAL_ERROR:
case MessageType::AUTHOR_ERROR:
return cmsysTerminal_Color_ForegroundRed;
case MessageType::AUTHOR_WARNING:
case MessageType::WARNING:
return cmsysTerminal_Color_ForegroundYellow;
default:
return cmsysTerminal_Color_Normal;
}
}
static void printMessageText(std::ostream& msg, std::string const& text)
{
msg << ":\n";
cmDocumentationFormatter formatter;
formatter.SetIndent(" ");
formatter.PrintFormatted(msg, text.c_str());
}
static void displayMessage(MessageType t, std::ostringstream& msg)
{
// Add a note about warning suppression.
if (t == MessageType::AUTHOR_WARNING) {
msg << "This warning is for project developers. Use -Wno-dev to suppress "
"it.";
} else if (t == MessageType::AUTHOR_ERROR) {
msg << "This error is for project developers. Use -Wno-error=dev to "
"suppress it.";
}
// Add a terminating blank line.
msg << "\n";
#if !defined(CMAKE_BOOTSTRAP)
// Add a C++ stack trace to internal errors.
if (t == MessageType::INTERNAL_ERROR) {
std::string stack = cmsys::SystemInformation::GetProgramStack(0, 0);
if (!stack.empty()) {
if (cmHasLiteralPrefix(stack, "WARNING:")) {
stack = "Note:" + stack.substr(8);
}
msg << stack << "\n";
}
}
#endif
// Output the message.
cmMessageMetadata md;
md.desiredColor = getMessageColor(t);
if (t == MessageType::FATAL_ERROR || t == MessageType::INTERNAL_ERROR ||
t == MessageType::DEPRECATION_ERROR || t == MessageType::AUTHOR_ERROR) {
cmSystemTools::SetErrorOccured();
md.title = "Error";
cmSystemTools::Message(msg.str(), md);
} else {
md.title = "Warning";
cmSystemTools::Message(msg.str(), md);
}
}
namespace {
void PrintCallStack(std::ostream& out, cmListFileBacktrace bt,
cm::optional<std::string> const& topSource)
{
// The call stack exists only if we have at least two calls on top
// of the bottom.
if (bt.Empty()) {
return;
}
bt = bt.Pop();
if (bt.Empty()) {
return;
}
bool first = true;
for (; !bt.Empty(); bt = bt.Pop()) {
cmListFileContext lfc = bt.Top();
if (lfc.Name.empty() &&
lfc.Line != cmListFileContext::DeferPlaceholderLine) {
// Skip this whole-file scope. When we get here we already will
// have printed a more-specific context within the file.
continue;
}
if (first) {
first = false;
out << "Call Stack (most recent call first):\n";
}
if (topSource) {
lfc.FilePath = cmSystemTools::RelativeIfUnder(*topSource, lfc.FilePath);
}
out << " " << lfc << "\n";
}
}
}
void cmMessenger::IssueMessage(MessageType t, const std::string& text,
const cmListFileBacktrace& backtrace) const
{
bool force = false;
// override the message type, if needed, for warnings and errors
MessageType override = this->ConvertMessageType(t);
if (override != t) {
t = override;
force = true;
}
if (force || this->IsMessageTypeVisible(t)) {
this->DisplayMessage(t, text, backtrace);
}
}
void cmMessenger::DisplayMessage(MessageType t, const std::string& text,
const cmListFileBacktrace& backtrace) const
{
std::ostringstream msg;
if (!printMessagePreamble(t, msg)) {
return;
}
// Add the immediate context.
this->PrintBacktraceTitle(msg, backtrace);
printMessageText(msg, text);
// Add the rest of the context.
PrintCallStack(msg, backtrace, this->TopSource);
displayMessage(t, msg);
}
void cmMessenger::PrintBacktraceTitle(std::ostream& out,
cmListFileBacktrace const& bt) const
{
// The title exists only if we have a call on top of the bottom.
if (bt.Empty()) {
return;
}
cmListFileContext lfc = bt.Top();
if (this->TopSource) {
lfc.FilePath =
cmSystemTools::RelativeIfUnder(*this->TopSource, lfc.FilePath);
}
out << (lfc.Line ? " at " : " in ") << lfc;
}
void cmMessenger::SetTopSource(cm::optional<std::string> topSource)
{
this->TopSource = std::move(topSource);
}
|
