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Diffstat (limited to 'testing/gmock/scripts/fuse_gmock_files.py')
| -rwxr-xr-x | testing/gmock/scripts/fuse_gmock_files.py | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/testing/gmock/scripts/fuse_gmock_files.py b/testing/gmock/scripts/fuse_gmock_files.py new file mode 100755 index 0000000..4e892e9 --- /dev/null +++ b/testing/gmock/scripts/fuse_gmock_files.py @@ -0,0 +1,240 @@ +#!/usr/bin/env python +# +# Copyright 2009, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""fuse_gmock_files.py v0.1.0 +Fuses Google Mock and Google Test source code into two .h files and a .cc file. + +SYNOPSIS + fuse_gmock_files.py [GMOCK_ROOT_DIR] OUTPUT_DIR + + Scans GMOCK_ROOT_DIR for Google Mock and Google Test source + code, assuming Google Test is in the GMOCK_ROOT_DIR/gtest + sub-directory, and generates three files: + OUTPUT_DIR/gtest/gtest.h, OUTPUT_DIR/gmock/gmock.h, and + OUTPUT_DIR/gmock-gtest-all.cc. Then you can build your tests + by adding OUTPUT_DIR to the include search path and linking + with OUTPUT_DIR/gmock-gtest-all.cc. These three files contain + everything you need to use Google Mock. Hence you can + "install" Google Mock by copying them to wherever you want. + + GMOCK_ROOT_DIR can be omitted and defaults to the parent + directory of the directory holding this script. + +EXAMPLES + ./fuse_gmock_files.py fused_gmock + ./fuse_gmock_files.py path/to/unpacked/gmock fused_gmock + +This tool is experimental. In particular, it assumes that there is no +conditional inclusion of Google Mock or Google Test headers. Please +report any problems to googlemock@googlegroups.com. You can read +http://code.google.com/p/googlemock/wiki/CookBook for more +information. +""" + +__author__ = 'wan@google.com (Zhanyong Wan)' + +import os +import re +import sets +import sys + +# We assume that this file is in the scripts/ directory in the Google +# Mock root directory. +DEFAULT_GMOCK_ROOT_DIR = os.path.join(os.path.dirname(__file__), '..') + +# We need to call into gtest/scripts/fuse_gtest_files.py. +sys.path.append(os.path.join(DEFAULT_GMOCK_ROOT_DIR, 'gtest/scripts')) +import fuse_gtest_files +gtest = fuse_gtest_files + +# Regex for matching '#include <gmock/...>'. +INCLUDE_GMOCK_FILE_REGEX = re.compile(r'^\s*#\s*include\s*<(gmock/.+)>') + +# Where to find the source seed files. +GMOCK_H_SEED = 'include/gmock/gmock.h' +GMOCK_ALL_CC_SEED = 'src/gmock-all.cc' + +# Where to put the generated files. +GTEST_H_OUTPUT = 'gtest/gtest.h' +GMOCK_H_OUTPUT = 'gmock/gmock.h' +GMOCK_GTEST_ALL_CC_OUTPUT = 'gmock-gtest-all.cc' + + +def GetGTestRootDir(gmock_root): + """Returns the root directory of Google Test.""" + + return os.path.join(gmock_root, 'gtest') + + +def ValidateGMockRootDir(gmock_root): + """Makes sure gmock_root points to a valid gmock root directory. + + The function aborts the program on failure. + """ + + gtest.ValidateGTestRootDir(GetGTestRootDir(gmock_root)) + gtest.VerifyFileExists(gmock_root, GMOCK_H_SEED) + gtest.VerifyFileExists(gmock_root, GMOCK_ALL_CC_SEED) + + +def ValidateOutputDir(output_dir): + """Makes sure output_dir points to a valid output directory. + + The function aborts the program on failure. + """ + + gtest.VerifyOutputFile(output_dir, gtest.GTEST_H_OUTPUT) + gtest.VerifyOutputFile(output_dir, GMOCK_H_OUTPUT) + gtest.VerifyOutputFile(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT) + + +def FuseGMockH(gmock_root, output_dir): + """Scans folder gmock_root to generate gmock/gmock.h in output_dir.""" + + output_file = file(os.path.join(output_dir, GMOCK_H_OUTPUT), 'w') + processed_files = sets.Set() # Holds all gmock headers we've processed. + + def ProcessFile(gmock_header_path): + """Processes the given gmock header file.""" + + # We don't process the same header twice. + if gmock_header_path in processed_files: + return + + processed_files.add(gmock_header_path) + + # Reads each line in the given gmock header. + for line in file(os.path.join(gmock_root, gmock_header_path), 'r'): + m = INCLUDE_GMOCK_FILE_REGEX.match(line) + if m: + # It's '#include <gmock/...>' - let's process it recursively. + ProcessFile('include/' + m.group(1)) + else: + m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + # It's '#include <gtest/foo.h>'. We translate it to + # <gtest/gtest.h>, regardless of what foo is, since all + # gtest headers are fused into gtest/gtest.h. + + # There is no need to #include gtest.h twice. + if not gtest.GTEST_H_SEED in processed_files: + processed_files.add(gtest.GTEST_H_SEED) + output_file.write('#include <%s>\n' % (gtest.GTEST_H_OUTPUT,)) + else: + # Otherwise we copy the line unchanged to the output file. + output_file.write(line) + + ProcessFile(GMOCK_H_SEED) + output_file.close() + + +def FuseGMockAllCcToFile(gmock_root, output_file): + """Scans folder gmock_root to fuse gmock-all.cc into output_file.""" + + processed_files = sets.Set() + + def ProcessFile(gmock_source_file): + """Processes the given gmock source file.""" + + # We don't process the same #included file twice. + if gmock_source_file in processed_files: + return + + processed_files.add(gmock_source_file) + + # Reads each line in the given gmock source file. + for line in file(os.path.join(gmock_root, gmock_source_file), 'r'): + m = INCLUDE_GMOCK_FILE_REGEX.match(line) + if m: + # It's '#include <gmock/foo.h>'. We treat it as '#include + # <gmock/gmock.h>', as all other gmock headers are being fused + # into gmock.h and cannot be #included directly. + + # There is no need to #include <gmock/gmock.h> more than once. + if not GMOCK_H_SEED in processed_files: + processed_files.add(GMOCK_H_SEED) + output_file.write('#include <%s>\n' % (GMOCK_H_OUTPUT,)) + else: + m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + # It's '#include <gtest/...>'. + # There is no need to #include gtest.h as it has been + # #included by gtest-all.cc. + pass + else: + m = gtest.INCLUDE_SRC_FILE_REGEX.match(line) + if m: + # It's '#include "src/foo"' - let's process it recursively. + ProcessFile(m.group(1)) + else: + # Otherwise we copy the line unchanged to the output file. + output_file.write(line) + + ProcessFile(GMOCK_ALL_CC_SEED) + + +def FuseGMockGTestAllCc(gmock_root, output_dir): + """Scans folder gmock_root to generate gmock-gtest-all.cc in output_dir.""" + + output_file = file(os.path.join(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT), 'w') + # First, fuse gtest-all.cc into gmock-gtest-all.cc. + gtest.FuseGTestAllCcToFile(GetGTestRootDir(gmock_root), output_file) + # Next, append fused gmock-all.cc to gmock-gtest-all.cc. + FuseGMockAllCcToFile(gmock_root, output_file) + output_file.close() + + +def FuseGMock(gmock_root, output_dir): + """Fuses gtest.h, gmock.h, and gmock-gtest-all.h.""" + + ValidateGMockRootDir(gmock_root) + ValidateOutputDir(output_dir) + + gtest.FuseGTestH(GetGTestRootDir(gmock_root), output_dir) + FuseGMockH(gmock_root, output_dir) + FuseGMockGTestAllCc(gmock_root, output_dir) + + +def main(): + argc = len(sys.argv) + if argc == 2: + # fuse_gmock_files.py OUTPUT_DIR + FuseGMock(DEFAULT_GMOCK_ROOT_DIR, sys.argv[1]) + elif argc == 3: + # fuse_gmock_files.py GMOCK_ROOT_DIR OUTPUT_DIR + FuseGMock(sys.argv[1], sys.argv[2]) + else: + print __doc__ + sys.exit(1) + + +if __name__ == '__main__': + main() |