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
|
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmScriptGenerator.h"
#include "cmSystemTools.h"
cmScriptGenerator::cmScriptGenerator(
const std::string& config_var,
std::vector<std::string> const& configurations)
: RuntimeConfigVariable(config_var)
, Configurations(configurations)
, ConfigurationName("")
, ConfigurationTypes(CM_NULLPTR)
, ActionsPerConfig(false)
{
}
cmScriptGenerator::~cmScriptGenerator()
{
}
void cmScriptGenerator::Generate(
std::ostream& os, const std::string& config,
std::vector<std::string> const& configurationTypes)
{
this->ConfigurationName = config;
this->ConfigurationTypes = &configurationTypes;
this->GenerateScript(os);
this->ConfigurationName = "";
this->ConfigurationTypes = CM_NULLPTR;
}
static void cmScriptGeneratorEncodeConfig(const std::string& config,
std::string& result)
{
for (const char* c = config.c_str(); *c; ++c) {
if (*c >= 'a' && *c <= 'z') {
result += "[";
result += static_cast<char>(*c + 'A' - 'a');
result += *c;
result += "]";
} else if (*c >= 'A' && *c <= 'Z') {
result += "[";
result += *c;
result += static_cast<char>(*c + 'a' - 'A');
result += "]";
} else {
result += *c;
}
}
}
std::string cmScriptGenerator::CreateConfigTest(const std::string& config)
{
std::string result = "\"${";
result += this->RuntimeConfigVariable;
result += "}\" MATCHES \"^(";
if (!config.empty()) {
cmScriptGeneratorEncodeConfig(config, result);
}
result += ")$\"";
return result;
}
std::string cmScriptGenerator::CreateConfigTest(
std::vector<std::string> const& configs)
{
std::string result = "\"${";
result += this->RuntimeConfigVariable;
result += "}\" MATCHES \"^(";
const char* sep = "";
for (std::vector<std::string>::const_iterator ci = configs.begin();
ci != configs.end(); ++ci) {
result += sep;
sep = "|";
cmScriptGeneratorEncodeConfig(*ci, result);
}
result += ")$\"";
return result;
}
void cmScriptGenerator::GenerateScript(std::ostream& os)
{
// Track indentation.
Indent indent;
// Generate the script possibly with per-configuration code.
this->GenerateScriptConfigs(os, indent);
}
void cmScriptGenerator::GenerateScriptConfigs(std::ostream& os,
Indent const& indent)
{
if (this->ActionsPerConfig) {
this->GenerateScriptActionsPerConfig(os, indent);
} else {
this->GenerateScriptActionsOnce(os, indent);
}
}
void cmScriptGenerator::GenerateScriptActions(std::ostream& os,
Indent const& indent)
{
if (this->ActionsPerConfig) {
// This is reached for single-configuration build generators in a
// per-config script generator.
this->GenerateScriptForConfig(os, this->ConfigurationName, indent);
}
}
void cmScriptGenerator::GenerateScriptForConfig(std::ostream& /*unused*/,
const std::string& /*unused*/,
Indent const& /*unused*/)
{
// No actions for this generator.
}
bool cmScriptGenerator::GeneratesForConfig(const std::string& config)
{
// If this is not a configuration-specific rule then we install.
if (this->Configurations.empty()) {
return true;
}
// This is a configuration-specific rule. Check if the config
// matches this rule.
std::string config_upper = cmSystemTools::UpperCase(config);
for (std::vector<std::string>::const_iterator i =
this->Configurations.begin();
i != this->Configurations.end(); ++i) {
if (cmSystemTools::UpperCase(*i) == config_upper) {
return true;
}
}
return false;
}
void cmScriptGenerator::GenerateScriptActionsOnce(std::ostream& os,
Indent const& indent)
{
if (this->Configurations.empty()) {
// This rule is for all configurations.
this->GenerateScriptActions(os, indent);
} else {
// Generate a per-configuration block.
std::string config_test = this->CreateConfigTest(this->Configurations);
os << indent << "if(" << config_test << ")\n";
this->GenerateScriptActions(os, indent.Next());
os << indent << "endif(" << config_test << ")\n";
}
}
void cmScriptGenerator::GenerateScriptActionsPerConfig(std::ostream& os,
Indent const& indent)
{
if (this->ConfigurationTypes->empty()) {
// In a single-configuration generator there is only one action
// and it applies if the runtime-requested configuration is among
// the rule's allowed configurations. The configuration built in
// the tree does not matter for this decision but will be used to
// generate proper target file names into the code.
this->GenerateScriptActionsOnce(os, indent);
} else {
// In a multi-configuration generator we produce a separate rule
// in a block for each configuration that is built. We restrict
// the list of configurations to those to which this rule applies.
bool first = true;
for (std::vector<std::string>::const_iterator i =
this->ConfigurationTypes->begin();
i != this->ConfigurationTypes->end(); ++i) {
const char* config = i->c_str();
if (this->GeneratesForConfig(config)) {
// Generate a per-configuration block.
std::string config_test = this->CreateConfigTest(config);
os << indent << (first ? "if(" : "elseif(") << config_test << ")\n";
this->GenerateScriptForConfig(os, config, indent.Next());
first = false;
}
}
if (!first) {
if (this->NeedsScriptNoConfig()) {
os << indent << "else()\n";
this->GenerateScriptNoConfig(os, indent.Next());
}
os << indent << "endif()\n";
}
}
}
|
