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
244
245
246
247
248
249
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmCustomCommandGenerator.h"
#include "cmAlgorithms.h"
#include "cmCustomCommand.h"
#include "cmCustomCommandLines.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorTarget.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include <memory> // IWYU pragma: keep
#include <stddef.h>
#include <utility>
cmCustomCommandGenerator::cmCustomCommandGenerator(cmCustomCommand const& cc,
std::string config,
cmLocalGenerator* lg)
: CC(cc)
, Config(std::move(config))
, LG(lg)
, OldStyle(cc.GetEscapeOldStyle())
, MakeVars(cc.GetEscapeAllowMakeVars())
, GE(new cmGeneratorExpression(cc.GetBacktrace()))
, EmulatorsWithArguments(cc.GetCommandLines().size())
{
const cmCustomCommandLines& cmdlines = this->CC.GetCommandLines();
for (cmCustomCommandLine const& cmdline : cmdlines) {
cmCustomCommandLine argv;
for (std::string const& clarg : cmdline) {
std::unique_ptr<cmCompiledGeneratorExpression> cge =
this->GE->Parse(clarg);
std::string parsed_arg = cge->Evaluate(this->LG, this->Config);
if (this->CC.GetCommandExpandLists()) {
cmAppend(argv, cmSystemTools::ExpandedListArgument(parsed_arg));
} else {
argv.push_back(std::move(parsed_arg));
}
}
// Later code assumes at least one entry exists, but expanding
// lists on an empty command may have left this empty.
// FIXME: Should we define behavior for removing empty commands?
if (argv.empty()) {
argv.push_back(std::string());
}
this->CommandLines.push_back(std::move(argv));
}
std::vector<std::string> depends = this->CC.GetDepends();
for (std::string const& d : depends) {
std::unique_ptr<cmCompiledGeneratorExpression> cge = this->GE->Parse(d);
std::vector<std::string> result = cmSystemTools::ExpandedListArgument(
cge->Evaluate(this->LG, this->Config));
for (std::string& it : result) {
if (cmSystemTools::FileIsFullPath(it)) {
it = cmSystemTools::CollapseFullPath(it);
}
}
cmAppend(this->Depends, result);
}
const std::string& workingdirectory = this->CC.GetWorkingDirectory();
if (!workingdirectory.empty()) {
std::unique_ptr<cmCompiledGeneratorExpression> cge =
this->GE->Parse(workingdirectory);
this->WorkingDirectory = cge->Evaluate(this->LG, this->Config);
// Convert working directory to a full path.
if (!this->WorkingDirectory.empty()) {
std::string const& build_dir = this->LG->GetCurrentBinaryDirectory();
this->WorkingDirectory =
cmSystemTools::CollapseFullPath(this->WorkingDirectory, build_dir);
}
}
this->FillEmulatorsWithArguments();
}
cmCustomCommandGenerator::~cmCustomCommandGenerator()
{
delete this->GE;
}
unsigned int cmCustomCommandGenerator::GetNumberOfCommands() const
{
return static_cast<unsigned int>(this->CC.GetCommandLines().size());
}
void cmCustomCommandGenerator::FillEmulatorsWithArguments()
{
if (!this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING")) {
return;
}
for (unsigned int c = 0; c < this->GetNumberOfCommands(); ++c) {
std::string const& argv0 = this->CommandLines[c][0];
cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
!target->IsImported()) {
const char* emulator_property =
target->GetProperty("CROSSCOMPILING_EMULATOR");
if (!emulator_property) {
continue;
}
cmSystemTools::ExpandListArgument(emulator_property,
this->EmulatorsWithArguments[c]);
}
}
}
std::vector<std::string> cmCustomCommandGenerator::GetCrossCompilingEmulator(
unsigned int c) const
{
if (c >= this->EmulatorsWithArguments.size()) {
return std::vector<std::string>();
}
return this->EmulatorsWithArguments[c];
}
const char* cmCustomCommandGenerator::GetArgv0Location(unsigned int c) const
{
std::string const& argv0 = this->CommandLines[c][0];
cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
(target->IsImported() ||
target->GetProperty("CROSSCOMPILING_EMULATOR") ||
!this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING"))) {
return target->GetLocation(this->Config);
}
return nullptr;
}
bool cmCustomCommandGenerator::HasOnlyEmptyCommandLines() const
{
for (size_t i = 0; i < this->CommandLines.size(); ++i) {
for (size_t j = 0; j < this->CommandLines[i].size(); ++j) {
if (!this->CommandLines[i][j].empty()) {
return false;
}
}
}
return true;
}
std::string cmCustomCommandGenerator::GetCommand(unsigned int c) const
{
std::vector<std::string> emulator = this->GetCrossCompilingEmulator(c);
if (!emulator.empty()) {
return emulator[0];
}
if (const char* location = this->GetArgv0Location(c)) {
return std::string(location);
}
return this->CommandLines[c][0];
}
std::string escapeForShellOldStyle(const std::string& str)
{
std::string result;
#if defined(_WIN32) && !defined(__CYGWIN__)
// if there are spaces
std::string temp = str;
if (temp.find(" ") != std::string::npos &&
temp.find("\"") == std::string::npos) {
result = "\"";
result += str;
result += "\"";
return result;
}
return str;
#else
for (const char* ch = str.c_str(); *ch != '\0'; ++ch) {
if (*ch == ' ') {
result += '\\';
}
result += *ch;
}
return result;
#endif
}
void cmCustomCommandGenerator::AppendArguments(unsigned int c,
std::string& cmd) const
{
unsigned int offset = 1;
std::vector<std::string> emulator = this->GetCrossCompilingEmulator(c);
if (!emulator.empty()) {
for (unsigned j = 1; j < emulator.size(); ++j) {
cmd += " ";
if (this->OldStyle) {
cmd += escapeForShellOldStyle(emulator[j]);
} else {
cmd += this->LG->EscapeForShell(emulator[j], this->MakeVars);
}
}
offset = 0;
}
cmCustomCommandLine const& commandLine = this->CommandLines[c];
for (unsigned int j = offset; j < commandLine.size(); ++j) {
std::string arg;
if (const char* location = j == 0 ? this->GetArgv0Location(c) : nullptr) {
// GetCommand returned the emulator instead of the argv0 location,
// so transform the latter now.
arg = location;
} else {
arg = commandLine[j];
}
cmd += " ";
if (this->OldStyle) {
cmd += escapeForShellOldStyle(arg);
} else {
cmd += this->LG->EscapeForShell(arg, this->MakeVars);
}
}
}
const char* cmCustomCommandGenerator::GetComment() const
{
return this->CC.GetComment();
}
std::string cmCustomCommandGenerator::GetWorkingDirectory() const
{
return this->WorkingDirectory;
}
std::vector<std::string> const& cmCustomCommandGenerator::GetOutputs() const
{
return this->CC.GetOutputs();
}
std::vector<std::string> const& cmCustomCommandGenerator::GetByproducts() const
{
return this->CC.GetByproducts();
}
std::vector<std::string> const& cmCustomCommandGenerator::GetDepends() const
{
return this->Depends;
}
|
