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
|
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmSourceFileLocation.h"
#include "cmAlgorithms.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmSystemTools.h"
#include "cmake.h"
#include <assert.h>
cmSourceFileLocation::cmSourceFileLocation() = default;
cmSourceFileLocation::cmSourceFileLocation(const cmSourceFileLocation& loc)
: Makefile(loc.Makefile)
{
this->AmbiguousDirectory = loc.AmbiguousDirectory;
this->AmbiguousExtension = loc.AmbiguousExtension;
this->Directory = loc.Directory;
this->Name = loc.Name;
}
cmSourceFileLocation::cmSourceFileLocation(cmMakefile const* mf,
const std::string& name,
cmSourceFileLocationKind kind)
: Makefile(mf)
{
this->AmbiguousDirectory = !cmSystemTools::FileIsFullPath(name);
this->AmbiguousExtension = true;
this->Directory = cmSystemTools::GetFilenamePath(name);
if (cmSystemTools::FileIsFullPath(this->Directory)) {
this->Directory = cmSystemTools::CollapseFullPath(this->Directory);
}
this->Name = cmSystemTools::GetFilenameName(name);
if (kind == cmSourceFileLocationKind::Known) {
this->DirectoryUseSource();
this->AmbiguousExtension = false;
} else {
this->UpdateExtension(name);
}
}
std::string cmSourceFileLocation::GetFullPath() const
{
std::string path = this->GetDirectory();
if (!path.empty()) {
path += '/';
}
path += this->GetName();
return path;
}
void cmSourceFileLocation::Update(cmSourceFileLocation const& loc)
{
if (this->AmbiguousDirectory && !loc.AmbiguousDirectory) {
this->Directory = loc.Directory;
this->AmbiguousDirectory = false;
}
if (this->AmbiguousExtension && !loc.AmbiguousExtension) {
this->Name = loc.Name;
this->AmbiguousExtension = false;
}
}
void cmSourceFileLocation::DirectoryUseSource()
{
assert(this->Makefile);
if (this->AmbiguousDirectory) {
this->Directory = cmSystemTools::CollapseFullPath(
this->Directory, this->Makefile->GetCurrentSourceDirectory());
this->AmbiguousDirectory = false;
}
}
void cmSourceFileLocation::DirectoryUseBinary()
{
assert(this->Makefile);
if (this->AmbiguousDirectory) {
this->Directory = cmSystemTools::CollapseFullPath(
this->Directory, this->Makefile->GetCurrentBinaryDirectory());
this->AmbiguousDirectory = false;
}
}
void cmSourceFileLocation::UpdateExtension(const std::string& name)
{
assert(this->Makefile);
// Check the extension.
std::string ext = cmSystemTools::GetFilenameLastExtension(name);
if (!ext.empty()) {
ext = ext.substr(1);
}
// The global generator checks extensions of enabled languages.
cmGlobalGenerator* gg = this->Makefile->GetGlobalGenerator();
cmMakefile const* mf = this->Makefile;
auto cm = mf->GetCMakeInstance();
if (!gg->GetLanguageFromExtension(ext.c_str()).empty() ||
cm->IsSourceExtension(ext) || cm->IsHeaderExtension(ext)) {
// This is a known extension. Use the given filename with extension.
this->Name = cmSystemTools::GetFilenameName(name);
this->AmbiguousExtension = false;
} else {
// This is not a known extension. See if the file exists on disk as
// named.
std::string tryPath;
if (this->AmbiguousDirectory) {
// Check the source tree only because a file in the build tree should
// be specified by full path at least once. We do not want this
// detection to depend on whether the project has already been built.
tryPath = this->Makefile->GetCurrentSourceDirectory();
tryPath += "/";
}
if (!this->Directory.empty()) {
tryPath += this->Directory;
tryPath += "/";
}
tryPath += this->Name;
if (cmSystemTools::FileExists(tryPath, true)) {
// We found a source file named by the user on disk. Trust it's
// extension.
this->Name = cmSystemTools::GetFilenameName(name);
this->AmbiguousExtension = false;
// If the directory was ambiguous, it isn't anymore.
if (this->AmbiguousDirectory) {
this->DirectoryUseSource();
}
}
}
}
bool cmSourceFileLocation::MatchesAmbiguousExtension(
cmSourceFileLocation const& loc) const
{
assert(this->Makefile);
// This location's extension is not ambiguous but loc's extension
// is. See if the names match as-is.
if (this->Name == loc.Name) {
return true;
}
// Check if loc's name could possibly be extended to our name by
// adding an extension.
if (!(this->Name.size() > loc.Name.size() &&
this->Name[loc.Name.size()] == '.' &&
cmHasPrefix(this->Name, loc.Name))) {
return false;
}
// Only a fixed set of extensions will be tried to match a file on
// disk. One of these must match if loc refers to this source file.
std::string const& ext = this->Name.substr(loc.Name.size() + 1);
cmMakefile const* mf = this->Makefile;
auto cm = mf->GetCMakeInstance();
return cm->IsSourceExtension(ext) || cm->IsHeaderExtension(ext);
}
bool cmSourceFileLocation::Matches(cmSourceFileLocation const& loc)
{
assert(this->Makefile);
if (this->AmbiguousExtension == loc.AmbiguousExtension) {
// Both extensions are similarly ambiguous. Since only the old fixed set
// of extensions will be tried, the names must match at this point to be
// the same file.
if (this->Name.size() != loc.Name.size() ||
!cmSystemTools::ComparePath(this->Name, loc.Name)) {
return false;
}
} else {
const cmSourceFileLocation* loc1;
const cmSourceFileLocation* loc2;
if (this->AmbiguousExtension) {
// Only "this" extension is ambiguous.
loc1 = &loc;
loc2 = this;
} else {
// Only "loc" extension is ambiguous.
loc1 = this;
loc2 = &loc;
}
if (!loc1->MatchesAmbiguousExtension(*loc2)) {
return false;
}
}
if (!this->AmbiguousDirectory && !loc.AmbiguousDirectory) {
// Both sides have absolute directories.
if (this->Directory != loc.Directory) {
return false;
}
} else if (this->AmbiguousDirectory && loc.AmbiguousDirectory) {
if (this->Makefile == loc.Makefile) {
// Both sides have directories relative to the same location.
if (this->Directory != loc.Directory) {
return false;
}
} else {
// Each side has a directory relative to a different location.
// This can occur when referencing a source file from a different
// directory. This is not yet allowed.
this->Makefile->IssueMessage(
MessageType::INTERNAL_ERROR,
"Matches error: Each side has a directory relative to a different "
"location. This can occur when referencing a source file from a "
"different directory. This is not yet allowed.");
return false;
}
} else if (this->AmbiguousDirectory) {
// Compare possible directory combinations.
std::string const srcDir = cmSystemTools::CollapseFullPath(
this->Directory, this->Makefile->GetCurrentSourceDirectory());
std::string const binDir = cmSystemTools::CollapseFullPath(
this->Directory, this->Makefile->GetCurrentBinaryDirectory());
if (srcDir != loc.Directory && binDir != loc.Directory) {
return false;
}
} else if (loc.AmbiguousDirectory) {
// Compare possible directory combinations.
std::string const srcDir = cmSystemTools::CollapseFullPath(
loc.Directory, loc.Makefile->GetCurrentSourceDirectory());
std::string const binDir = cmSystemTools::CollapseFullPath(
loc.Directory, loc.Makefile->GetCurrentBinaryDirectory());
if (srcDir != this->Directory && binDir != this->Directory) {
return false;
}
}
// File locations match.
this->Update(loc);
return true;
}
|
