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
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmParseArgumentsCommand.h"
#include <map>
#include <set>
#include <sstream>
#include <utility>
#include "cmAlgorithms.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmake.h"
class cmExecutionStatus;
static std::string escape_arg(const std::string& arg)
{
// replace ";" with "\;" so output argument lists will split correctly
std::string escapedArg;
for (char i : arg) {
if (i == ';') {
escapedArg += '\\';
}
escapedArg += i;
}
return escapedArg;
}
bool cmParseArgumentsCommand::InitialPass(std::vector<std::string> const& args,
cmExecutionStatus&)
{
// cmake_parse_arguments(prefix options single multi <ARGN>)
// 1 2 3 4
// or
// cmake_parse_arguments(PARSE_ARGV N prefix options single multi)
if (args.size() < 4) {
this->SetError("must be called with at least 4 arguments.");
return false;
}
std::vector<std::string>::const_iterator argIter = args.begin(),
argEnd = args.end();
bool parseFromArgV = false;
unsigned long argvStart = 0;
if (*argIter == "PARSE_ARGV") {
if (args.size() != 6) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"PARSE_ARGV must be called with exactly 6 arguments.");
cmSystemTools::SetFatalErrorOccured();
return true;
}
parseFromArgV = true;
argIter++; // move past PARSE_ARGV
if (!cmSystemTools::StringToULong(argIter->c_str(), &argvStart)) {
this->Makefile->IssueMessage(cmake::FATAL_ERROR, "PARSE_ARGV index '" +
*argIter +
"' is not an unsigned integer");
cmSystemTools::SetFatalErrorOccured();
return true;
}
argIter++; // move past N
}
// the first argument is the prefix
const std::string prefix = (*argIter++) + "_";
// define the result maps holding key/value pairs for
// options, single values and multi values
typedef std::map<std::string, bool> options_map;
typedef std::map<std::string, std::string> single_map;
typedef std::map<std::string, std::vector<std::string>> multi_map;
options_map options;
single_map single;
multi_map multi;
// anything else is put into a vector of unparsed strings
std::vector<std::string> unparsed;
// remember already defined keywords
std::set<std::string> used_keywords;
const std::string dup_warning = "keyword defined more than once: ";
// the second argument is a (cmake) list of options without argument
std::vector<std::string> list;
cmSystemTools::ExpandListArgument(*argIter++, list);
for (std::string const& iter : list) {
if (!used_keywords.insert(iter).second) {
this->GetMakefile()->IssueMessage(cmake::WARNING, dup_warning + iter);
}
options[iter]; // default initialize
}
// the third argument is a (cmake) list of single argument options
list.clear();
cmSystemTools::ExpandListArgument(*argIter++, list);
for (std::string const& iter : list) {
if (!used_keywords.insert(iter).second) {
this->GetMakefile()->IssueMessage(cmake::WARNING, dup_warning + iter);
}
single[iter]; // default initialize
}
// the fourth argument is a (cmake) list of multi argument options
list.clear();
cmSystemTools::ExpandListArgument(*argIter++, list);
for (std::string const& iter : list) {
if (!used_keywords.insert(iter).second) {
this->GetMakefile()->IssueMessage(cmake::WARNING, dup_warning + iter);
}
multi[iter]; // default initialize
}
enum insideValues
{
NONE,
SINGLE,
MULTI
} insideValues = NONE;
std::string currentArgName;
list.clear();
if (!parseFromArgV) {
// Flatten ;-lists in the arguments into a single list as was done
// by the original function(CMAKE_PARSE_ARGUMENTS).
for (; argIter != argEnd; ++argIter) {
cmSystemTools::ExpandListArgument(*argIter, list);
}
} else {
// in the PARSE_ARGV move read the arguments from ARGC and ARGV#
std::string argc = this->Makefile->GetSafeDefinition("ARGC");
unsigned long count;
if (!cmSystemTools::StringToULong(argc.c_str(), &count)) {
this->Makefile->IssueMessage(cmake::FATAL_ERROR,
"PARSE_ARGV called with ARGC='" + argc +
"' that is not an unsigned integer");
cmSystemTools::SetFatalErrorOccured();
return true;
}
for (unsigned long i = argvStart; i < count; ++i) {
std::ostringstream argName;
argName << "ARGV" << i;
const char* arg = this->Makefile->GetDefinition(argName.str());
if (!arg) {
this->Makefile->IssueMessage(cmake::FATAL_ERROR,
"PARSE_ARGV called with " +
argName.str() + " not set");
cmSystemTools::SetFatalErrorOccured();
return true;
}
list.push_back(arg);
}
}
// iterate over the arguments list and fill in the values where applicable
for (std::string const& arg : list) {
const options_map::iterator optIter = options.find(arg);
if (optIter != options.end()) {
insideValues = NONE;
optIter->second = true;
continue;
}
const single_map::iterator singleIter = single.find(arg);
if (singleIter != single.end()) {
insideValues = SINGLE;
currentArgName = arg;
continue;
}
const multi_map::iterator multiIter = multi.find(arg);
if (multiIter != multi.end()) {
insideValues = MULTI;
currentArgName = arg;
continue;
}
switch (insideValues) {
case SINGLE:
single[currentArgName] = arg;
insideValues = NONE;
break;
case MULTI:
if (parseFromArgV) {
multi[currentArgName].push_back(escape_arg(arg));
} else {
multi[currentArgName].push_back(arg);
}
break;
default:
if (parseFromArgV) {
unparsed.push_back(escape_arg(arg));
} else {
unparsed.push_back(arg);
}
break;
}
}
// now iterate over the collected values and update their definition
// within the current scope. undefine if necessary.
for (auto const& iter : options) {
this->Makefile->AddDefinition(prefix + iter.first,
iter.second ? "TRUE" : "FALSE");
}
for (auto const& iter : single) {
if (!iter.second.empty()) {
this->Makefile->AddDefinition(prefix + iter.first, iter.second.c_str());
} else {
this->Makefile->RemoveDefinition(prefix + iter.first);
}
}
for (auto const& iter : multi) {
if (!iter.second.empty()) {
this->Makefile->AddDefinition(
prefix + iter.first, cmJoin(cmMakeRange(iter.second), ";").c_str());
} else {
this->Makefile->RemoveDefinition(prefix + iter.first);
}
}
if (!unparsed.empty()) {
this->Makefile->AddDefinition(prefix + "UNPARSED_ARGUMENTS",
cmJoin(cmMakeRange(unparsed), ";").c_str());
} else {
this->Makefile->RemoveDefinition(prefix + "UNPARSED_ARGUMENTS");
}
return true;
}
|
