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