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
|
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2012 Stephen Kelly <steveire@gmail.com>
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 "cmGeneratorExpressionDAGChecker.h"
#include "cmLocalGenerator.h"
#include "cmAlgorithms.h"
//----------------------------------------------------------------------------
cmGeneratorExpressionDAGChecker::cmGeneratorExpressionDAGChecker(
const cmListFileBacktrace &backtrace,
const std::string &target,
const std::string &property,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *parent)
: Parent(parent), Target(target), Property(property),
Content(content), Backtrace(backtrace), TransitivePropertiesOnly(false)
{
Initialize();
}
//----------------------------------------------------------------------------
cmGeneratorExpressionDAGChecker::cmGeneratorExpressionDAGChecker(
const std::string &target,
const std::string &property,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *parent)
: Parent(parent), Target(target), Property(property),
Content(content), Backtrace(), TransitivePropertiesOnly(false)
{
Initialize();
}
//----------------------------------------------------------------------------
void
cmGeneratorExpressionDAGChecker::Initialize()
{
const cmGeneratorExpressionDAGChecker *top = this;
const cmGeneratorExpressionDAGChecker *p = this->Parent;
while (p)
{
top = p;
p = p->Parent;
}
this->CheckResult = this->CheckGraph();
#define TEST_TRANSITIVE_PROPERTY_METHOD(METHOD) \
top->METHOD () ||
if (CheckResult == DAG && (
CM_FOR_EACH_TRANSITIVE_PROPERTY_METHOD(TEST_TRANSITIVE_PROPERTY_METHOD)
false)
)
#undef TEST_TRANSITIVE_PROPERTY_METHOD
{
std::map<std::string, std::set<std::string> >::const_iterator it
= top->Seen.find(this->Target);
if (it != top->Seen.end())
{
const std::set<std::string> &propSet = it->second;
if (propSet.find(this->Property) != propSet.end())
{
this->CheckResult = ALREADY_SEEN;
return;
}
}
const_cast<cmGeneratorExpressionDAGChecker *>(top)
->Seen[this->Target].insert(this->Property);
}
}
//----------------------------------------------------------------------------
cmGeneratorExpressionDAGChecker::Result
cmGeneratorExpressionDAGChecker::Check() const
{
return this->CheckResult;
}
//----------------------------------------------------------------------------
void cmGeneratorExpressionDAGChecker::ReportError(
cmGeneratorExpressionContext *context,
const std::string &expr)
{
if (this->CheckResult == DAG)
{
return;
}
context->HadError = true;
if (context->Quiet)
{
return;
}
const cmGeneratorExpressionDAGChecker *parent = this->Parent;
if (parent && !parent->Parent)
{
std::ostringstream e;
e << "Error evaluating generator expression:\n"
<< " " << expr << "\n"
<< "Self reference on target \""
<< context->HeadTarget->GetName() << "\".\n";
context->LG->GetCMakeInstance()
->IssueMessage(cmake::FATAL_ERROR, e.str(),
parent->Backtrace);
return;
}
{
std::ostringstream e;
e << "Error evaluating generator expression:\n"
<< " " << expr << "\n"
<< "Dependency loop found.";
context->LG->GetCMakeInstance()
->IssueMessage(cmake::FATAL_ERROR, e.str(),
context->Backtrace);
}
int loopStep = 1;
while (parent)
{
std::ostringstream e;
e << "Loop step " << loopStep << "\n"
<< " "
<< (parent->Content ? parent->Content->GetOriginalExpression() : expr)
<< "\n";
context->LG->GetCMakeInstance()
->IssueMessage(cmake::FATAL_ERROR, e.str(),
parent->Backtrace);
parent = parent->Parent;
++loopStep;
}
}
//----------------------------------------------------------------------------
cmGeneratorExpressionDAGChecker::Result
cmGeneratorExpressionDAGChecker::CheckGraph() const
{
const cmGeneratorExpressionDAGChecker *parent = this->Parent;
while (parent)
{
if (this->Target == parent->Target && this->Property == parent->Property)
{
return (parent == this->Parent) ? SELF_REFERENCE : CYCLIC_REFERENCE;
}
parent = parent->Parent;
}
return DAG;
}
//----------------------------------------------------------------------------
bool cmGeneratorExpressionDAGChecker::GetTransitivePropertiesOnly()
{
const cmGeneratorExpressionDAGChecker *top = this;
const cmGeneratorExpressionDAGChecker *parent = this->Parent;
while (parent)
{
top = parent;
parent = parent->Parent;
}
return top->TransitivePropertiesOnly;
}
//----------------------------------------------------------------------------
bool cmGeneratorExpressionDAGChecker::EvaluatingLinkLibraries(const char *tgt)
{
const cmGeneratorExpressionDAGChecker *top = this;
const cmGeneratorExpressionDAGChecker *parent = this->Parent;
while (parent)
{
top = parent;
parent = parent->Parent;
}
const char *prop = top->Property.c_str();
if (tgt)
{
return top->Target == tgt && strcmp(prop, "LINK_LIBRARIES") == 0;
}
return (strcmp(prop, "LINK_LIBRARIES") == 0
|| strcmp(prop, "LINK_INTERFACE_LIBRARIES") == 0
|| strcmp(prop, "IMPORTED_LINK_INTERFACE_LIBRARIES") == 0
|| cmHasLiteralPrefix(prop, "LINK_INTERFACE_LIBRARIES_")
|| cmHasLiteralPrefix(prop, "IMPORTED_LINK_INTERFACE_LIBRARIES_"))
|| strcmp(prop, "INTERFACE_LINK_LIBRARIES") == 0;
}
std::string cmGeneratorExpressionDAGChecker::TopTarget() const
{
const cmGeneratorExpressionDAGChecker *top = this;
const cmGeneratorExpressionDAGChecker *parent = this->Parent;
while (parent)
{
top = parent;
parent = parent->Parent;
}
return top->Target;
}
enum TransitiveProperty {
#define DEFINE_ENUM_ENTRY(NAME) NAME,
CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(DEFINE_ENUM_ENTRY)
#undef DEFINE_ENUM_ENTRY
TransitivePropertyTerminal
};
template<TransitiveProperty>
bool additionalTest(const char* const)
{
return false;
}
template<>
bool additionalTest<COMPILE_DEFINITIONS>(const char* const prop)
{
return cmHasLiteralPrefix(prop, "COMPILE_DEFINITIONS_");
}
#define DEFINE_TRANSITIVE_PROPERTY_METHOD(METHOD, PROPERTY) \
bool cmGeneratorExpressionDAGChecker::METHOD() const \
{ \
const char* const prop = this->Property.c_str(); \
if (strcmp(prop, #PROPERTY) == 0 \
|| strcmp(prop, "INTERFACE_" #PROPERTY) == 0) \
{ \
return true; \
} \
return additionalTest<PROPERTY>(prop); \
}
CM_FOR_EACH_TRANSITIVE_PROPERTY(DEFINE_TRANSITIVE_PROPERTY_METHOD)
#undef DEFINE_TRANSITIVE_PROPERTY_METHOD
|
