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
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmAddCustomTargetCommand.h"
#include <sstream>
#include "cmCustomCommandLines.h"
#include "cmGeneratorExpression.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmPolicies.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmake.h"
class cmExecutionStatus;
// cmAddCustomTargetCommand
bool cmAddCustomTargetCommand::InitialPass(
std::vector<std::string> const& args, cmExecutionStatus&)
{
if (args.empty()) {
this->SetError("called with incorrect number of arguments");
return false;
}
std::string targetName = args[0];
// Check the target name.
if (targetName.find_first_of("/\\") != targetName.npos) {
std::ostringstream e;
e << "called with invalid target name \"" << targetName
<< "\". Target names may not contain a slash. "
<< "Use ADD_CUSTOM_COMMAND to generate files.";
this->SetError(e.str());
return false;
}
// Accumulate one command line at a time.
cmCustomCommandLine currentLine;
// Save all command lines.
cmCustomCommandLines commandLines;
// Accumulate dependencies.
std::vector<std::string> depends, byproducts;
std::string working_directory;
bool verbatim = false;
bool uses_terminal = false;
std::string comment_buffer;
const char* comment = CM_NULLPTR;
std::vector<std::string> sources;
// Keep track of parser state.
enum tdoing
{
doing_command,
doing_depends,
doing_byproducts,
doing_working_directory,
doing_comment,
doing_source,
doing_nothing
};
tdoing doing = doing_command;
// Look for the ALL option.
bool excludeFromAll = true;
unsigned int start = 1;
if (args.size() > 1) {
if (args[1] == "ALL") {
excludeFromAll = false;
start = 2;
}
}
// Parse the rest of the arguments.
for (unsigned int j = start; j < args.size(); ++j) {
std::string const& copy = args[j];
if (copy == "DEPENDS") {
doing = doing_depends;
} else if (copy == "BYPRODUCTS") {
doing = doing_byproducts;
} else if (copy == "WORKING_DIRECTORY") {
doing = doing_working_directory;
} else if (copy == "VERBATIM") {
doing = doing_nothing;
verbatim = true;
} else if (copy == "USES_TERMINAL") {
doing = doing_nothing;
uses_terminal = true;
} else if (copy == "COMMENT") {
doing = doing_comment;
} else if (copy == "COMMAND") {
doing = doing_command;
// Save the current command before starting the next command.
if (!currentLine.empty()) {
commandLines.push_back(currentLine);
currentLine.clear();
}
} else if (copy == "SOURCES") {
doing = doing_source;
} else {
switch (doing) {
case doing_working_directory:
working_directory = copy;
break;
case doing_command:
currentLine.push_back(copy);
break;
case doing_byproducts: {
std::string filename;
if (!cmSystemTools::FileIsFullPath(copy.c_str())) {
filename = this->Makefile->GetCurrentBinaryDirectory();
filename += "/";
}
filename += copy;
cmSystemTools::ConvertToUnixSlashes(filename);
byproducts.push_back(filename);
} break;
case doing_depends: {
std::string dep = copy;
cmSystemTools::ConvertToUnixSlashes(dep);
depends.push_back(dep);
} break;
case doing_comment:
comment_buffer = copy;
comment = comment_buffer.c_str();
break;
case doing_source:
sources.push_back(copy);
break;
default:
this->SetError("Wrong syntax. Unknown type of argument.");
return false;
}
}
}
std::string::size_type pos = targetName.find_first_of("#<>");
if (pos != targetName.npos) {
std::ostringstream msg;
msg << "called with target name containing a \"" << targetName[pos]
<< "\". This character is not allowed.";
this->SetError(msg.str());
return false;
}
// Some requirements on custom target names already exist
// and have been checked at this point.
// The following restrictions overlap but depend on policy CMP0037.
bool nameOk = cmGeneratorExpression::IsValidTargetName(targetName) &&
!cmGlobalGenerator::IsReservedTarget(targetName);
if (nameOk) {
nameOk = targetName.find(":") == std::string::npos;
}
if (!nameOk) {
cmake::MessageType messageType = cmake::AUTHOR_WARNING;
std::ostringstream e;
bool issueMessage = false;
switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0037)) {
case cmPolicies::WARN:
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0037) << "\n";
issueMessage = true;
case cmPolicies::OLD:
break;
case cmPolicies::NEW:
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
issueMessage = true;
messageType = cmake::FATAL_ERROR;
}
if (issueMessage) {
/* clang-format off */
e << "The target name \"" << targetName <<
"\" is reserved or not valid for certain "
"CMake features, such as generator expressions, and may result "
"in undefined behavior.";
/* clang-format on */
this->Makefile->IssueMessage(messageType, e.str());
if (messageType == cmake::FATAL_ERROR) {
return false;
}
}
}
// Store the last command line finished.
if (!currentLine.empty()) {
commandLines.push_back(currentLine);
currentLine.clear();
}
// Enforce name uniqueness.
{
std::string msg;
if (!this->Makefile->EnforceUniqueName(targetName, msg, true)) {
this->SetError(msg);
return false;
}
}
// Convert working directory to a full path.
if (!working_directory.empty()) {
const char* build_dir = this->Makefile->GetCurrentBinaryDirectory();
working_directory =
cmSystemTools::CollapseFullPath(working_directory, build_dir);
}
if (commandLines.empty() && !byproducts.empty()) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"BYPRODUCTS may not be specified without any COMMAND");
return true;
}
if (commandLines.empty() && uses_terminal) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"USES_TERMINAL may not be specified without any COMMAND");
return true;
}
// Add the utility target to the makefile.
bool escapeOldStyle = !verbatim;
cmTarget* target = this->Makefile->AddUtilityCommand(
targetName, excludeFromAll, working_directory.c_str(), byproducts, depends,
commandLines, escapeOldStyle, comment, uses_terminal);
// Add additional user-specified source files to the target.
target->AddSources(sources);
return true;
}
|
