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Side by Side Diff: testing/gmock/scripts/fuse_gmock_files.py

Issue 113807: Checkin a version of gmock, modified to use our boost_tuple in VS2005. (Closed)
Patch Set: Fix grammar issue. Created 11 years, 6 months ago
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1 #!/usr/bin/env python
2 #
3 # Copyright 2009, Google Inc.
4 # All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions are
8 # met:
9 #
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above
13 # copyright notice, this list of conditions and the following disclaimer
14 # in the documentation and/or other materials provided with the
15 # distribution.
16 # * Neither the name of Google Inc. nor the names of its
17 # contributors may be used to endorse or promote products derived from
18 # this software without specific prior written permission.
19 #
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32 """fuse_gmock_files.py v0.1.0
33 Fuses Google Mock and Google Test source code into two .h files and a .cc file.
34
35 SYNOPSIS
36 fuse_gmock_files.py [GMOCK_ROOT_DIR] OUTPUT_DIR
37
38 Scans GMOCK_ROOT_DIR for Google Mock and Google Test source
39 code, assuming Google Test is in the GMOCK_ROOT_DIR/gtest
40 sub-directory, and generates three files:
41 OUTPUT_DIR/gtest/gtest.h, OUTPUT_DIR/gmock/gmock.h, and
42 OUTPUT_DIR/gmock-gtest-all.cc. Then you can build your tests
43 by adding OUTPUT_DIR to the include search path and linking
44 with OUTPUT_DIR/gmock-gtest-all.cc. These three files contain
45 everything you need to use Google Mock. Hence you can
46 "install" Google Mock by copying them to wherever you want.
47
48 GMOCK_ROOT_DIR can be omitted and defaults to the parent
49 directory of the directory holding this script.
50
51 EXAMPLES
52 ./fuse_gmock_files.py fused_gmock
53 ./fuse_gmock_files.py path/to/unpacked/gmock fused_gmock
54
55 This tool is experimental. In particular, it assumes that there is no
56 conditional inclusion of Google Mock or Google Test headers. Please
57 report any problems to googlemock@googlegroups.com. You can read
58 http://code.google.com/p/googlemock/wiki/CookBook for more
59 information.
60 """
61
62 __author__ = 'wan@google.com (Zhanyong Wan)'
63
64 import os
65 import re
66 import sets
67 import sys
68
69 # We assume that this file is in the scripts/ directory in the Google
70 # Mock root directory.
71 DEFAULT_GMOCK_ROOT_DIR = os.path.join(os.path.dirname(__file__), '..')
72
73 # We need to call into gtest/scripts/fuse_gtest_files.py.
74 sys.path.append(os.path.join(DEFAULT_GMOCK_ROOT_DIR, 'gtest/scripts'))
75 import fuse_gtest_files
76 gtest = fuse_gtest_files
77
78 # Regex for matching '#include <gmock/...>'.
79 INCLUDE_GMOCK_FILE_REGEX = re.compile(r'^\s*#\s*include\s*<(gmock/.+)>')
80
81 # Where to find the source seed files.
82 GMOCK_H_SEED = 'include/gmock/gmock.h'
83 GMOCK_ALL_CC_SEED = 'src/gmock-all.cc'
84
85 # Where to put the generated files.
86 GTEST_H_OUTPUT = 'gtest/gtest.h'
87 GMOCK_H_OUTPUT = 'gmock/gmock.h'
88 GMOCK_GTEST_ALL_CC_OUTPUT = 'gmock-gtest-all.cc'
89
90
91 def GetGTestRootDir(gmock_root):
92 """Returns the root directory of Google Test."""
93
94 return os.path.join(gmock_root, 'gtest')
95
96
97 def ValidateGMockRootDir(gmock_root):
98 """Makes sure gmock_root points to a valid gmock root directory.
99
100 The function aborts the program on failure.
101 """
102
103 gtest.ValidateGTestRootDir(GetGTestRootDir(gmock_root))
104 gtest.VerifyFileExists(gmock_root, GMOCK_H_SEED)
105 gtest.VerifyFileExists(gmock_root, GMOCK_ALL_CC_SEED)
106
107
108 def ValidateOutputDir(output_dir):
109 """Makes sure output_dir points to a valid output directory.
110
111 The function aborts the program on failure.
112 """
113
114 gtest.VerifyOutputFile(output_dir, gtest.GTEST_H_OUTPUT)
115 gtest.VerifyOutputFile(output_dir, GMOCK_H_OUTPUT)
116 gtest.VerifyOutputFile(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT)
117
118
119 def FuseGMockH(gmock_root, output_dir):
120 """Scans folder gmock_root to generate gmock/gmock.h in output_dir."""
121
122 output_file = file(os.path.join(output_dir, GMOCK_H_OUTPUT), 'w')
123 processed_files = sets.Set() # Holds all gmock headers we've processed.
124
125 def ProcessFile(gmock_header_path):
126 """Processes the given gmock header file."""
127
128 # We don't process the same header twice.
129 if gmock_header_path in processed_files:
130 return
131
132 processed_files.add(gmock_header_path)
133
134 # Reads each line in the given gmock header.
135 for line in file(os.path.join(gmock_root, gmock_header_path), 'r'):
136 m = INCLUDE_GMOCK_FILE_REGEX.match(line)
137 if m:
138 # It's '#include <gmock/...>' - let's process it recursively.
139 ProcessFile('include/' + m.group(1))
140 else:
141 m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line)
142 if m:
143 # It's '#include <gtest/foo.h>'. We translate it to
144 # <gtest/gtest.h>, regardless of what foo is, since all
145 # gtest headers are fused into gtest/gtest.h.
146
147 # There is no need to #include gtest.h twice.
148 if not gtest.GTEST_H_SEED in processed_files:
149 processed_files.add(gtest.GTEST_H_SEED)
150 output_file.write('#include <%s>\n' % (gtest.GTEST_H_OUTPUT,))
151 else:
152 # Otherwise we copy the line unchanged to the output file.
153 output_file.write(line)
154
155 ProcessFile(GMOCK_H_SEED)
156 output_file.close()
157
158
159 def FuseGMockAllCcToFile(gmock_root, output_file):
160 """Scans folder gmock_root to fuse gmock-all.cc into output_file."""
161
162 processed_files = sets.Set()
163
164 def ProcessFile(gmock_source_file):
165 """Processes the given gmock source file."""
166
167 # We don't process the same #included file twice.
168 if gmock_source_file in processed_files:
169 return
170
171 processed_files.add(gmock_source_file)
172
173 # Reads each line in the given gmock source file.
174 for line in file(os.path.join(gmock_root, gmock_source_file), 'r'):
175 m = INCLUDE_GMOCK_FILE_REGEX.match(line)
176 if m:
177 # It's '#include <gmock/foo.h>'. We treat it as '#include
178 # <gmock/gmock.h>', as all other gmock headers are being fused
179 # into gmock.h and cannot be #included directly.
180
181 # There is no need to #include <gmock/gmock.h> more than once.
182 if not GMOCK_H_SEED in processed_files:
183 processed_files.add(GMOCK_H_SEED)
184 output_file.write('#include <%s>\n' % (GMOCK_H_OUTPUT,))
185 else:
186 m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line)
187 if m:
188 # It's '#include <gtest/...>'.
189 # There is no need to #include gtest.h as it has been
190 # #included by gtest-all.cc.
191 pass
192 else:
193 m = gtest.INCLUDE_SRC_FILE_REGEX.match(line)
194 if m:
195 # It's '#include "src/foo"' - let's process it recursively.
196 ProcessFile(m.group(1))
197 else:
198 # Otherwise we copy the line unchanged to the output file.
199 output_file.write(line)
200
201 ProcessFile(GMOCK_ALL_CC_SEED)
202
203
204 def FuseGMockGTestAllCc(gmock_root, output_dir):
205 """Scans folder gmock_root to generate gmock-gtest-all.cc in output_dir."""
206
207 output_file = file(os.path.join(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT), 'w')
208 # First, fuse gtest-all.cc into gmock-gtest-all.cc.
209 gtest.FuseGTestAllCcToFile(GetGTestRootDir(gmock_root), output_file)
210 # Next, append fused gmock-all.cc to gmock-gtest-all.cc.
211 FuseGMockAllCcToFile(gmock_root, output_file)
212 output_file.close()
213
214
215 def FuseGMock(gmock_root, output_dir):
216 """Fuses gtest.h, gmock.h, and gmock-gtest-all.h."""
217
218 ValidateGMockRootDir(gmock_root)
219 ValidateOutputDir(output_dir)
220
221 gtest.FuseGTestH(GetGTestRootDir(gmock_root), output_dir)
222 FuseGMockH(gmock_root, output_dir)
223 FuseGMockGTestAllCc(gmock_root, output_dir)
224
225
226 def main():
227 argc = len(sys.argv)
228 if argc == 2:
229 # fuse_gmock_files.py OUTPUT_DIR
230 FuseGMock(DEFAULT_GMOCK_ROOT_DIR, sys.argv[1])
231 elif argc == 3:
232 # fuse_gmock_files.py GMOCK_ROOT_DIR OUTPUT_DIR
233 FuseGMock(sys.argv[1], sys.argv[2])
234 else:
235 print __doc__
236 sys.exit(1)
237
238
239 if __name__ == '__main__':
240 main()
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