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253 lines
8.7 KiB
253 lines
8.7 KiB
# Copyright 2015, VIXL authors
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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 met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of ARM Limited nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (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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from distutils.version import LooseVersion
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import config
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import fnmatch
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import glob
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import operator
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import os
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import re
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import shlex
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import subprocess
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import sys
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def ListCCFilesWithoutExt(path):
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return map(lambda x : os.path.splitext(os.path.basename(x))[0],
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glob.glob(os.path.join(path, '*.cc')))
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def abort(message):
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print('ABORTING: ' + message)
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sys.exit(1)
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# Emulate python3 subprocess.getstatusoutput.
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def getstatusoutput(command):
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try:
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args = shlex.split(command)
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output = subprocess.check_output(args, stderr=subprocess.STDOUT)
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return 0, output.rstrip('\n')
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except subprocess.CalledProcessError as e:
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return e.returncode, e.output.rstrip('\n')
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def IsCommandAvailable(command):
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retcode, unused_output = getstatusoutput('which %s' % command)
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return retcode == 0
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def ensure_dir(path_name):
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if not os.path.exists(path_name):
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os.makedirs(path_name)
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# Check that the specified program is available.
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def require_program(program_name):
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rc, out = getstatusoutput('which %s' % program_name)
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if rc != 0:
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print('ERROR: The required program %s was not found.' % program_name)
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sys.exit(rc)
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def relrealpath(path, start=os.getcwd()):
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return os.path.relpath(os.path.realpath(path), start)
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# Query the compiler about its preprocessor directives and return all of them as
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# a dictionnary.
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def GetCompilerDirectives(env):
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args = [env['compiler']]
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# Pass the CXXFLAGS varables to the compile, in case we've used "-m32" to
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# compile for i386.
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if env['CXXFLAGS']:
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args.append(str(env['CXXFLAGS']))
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args += ['-E', '-dM', '-']
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# Instruct the compiler to dump all its preprocessor macros.
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dump = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
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universal_newlines=True)
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out, _ = dump.communicate()
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return {
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# Extract the macro name as key and value as element.
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match.group(1): match.group(2)
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for match in [
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# Capture macro name.
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re.search('^#define (\S+?) (.+)$', macro)
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for macro in out.split('\n')
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]
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# Filter out non-matches.
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if match
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}
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# Query the target architecture of the compiler. The 'target' architecture of
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# the compiler used to build VIXL is considered to be the 'host' architecture of
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# VIXL itself.
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def GetHostArch(env):
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directives = GetCompilerDirectives(env)
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if "__x86_64__" in directives:
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return "x86_64"
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elif "__i386__" in directives:
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return "i386"
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elif "__arm__" in directives:
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return "aarch32"
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elif "__aarch64__" in directives:
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return "aarch64"
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else:
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raise Exception("Unsupported archtecture")
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# Class representing the compiler toolchain and version.
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class CompilerInformation(object):
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def __init__(self, env):
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directives = GetCompilerDirectives(env)
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if '__llvm__' in directives:
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major = int(directives['__clang_major__'])
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minor = int(directives['__clang_minor__'])
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self.compiler = 'clang'
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self.version = '{}.{}'.format(major, minor)
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elif '__GNUC__' in directives:
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major = int(directives['__GNUC__'])
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minor = int(directives['__GNUC_MINOR__'])
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self.compiler = 'gcc'
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self.version = '{}.{}'.format(major, minor)
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else:
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# Allow other compilers to be used for building VIXL. However, one would
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# need to teach this class how to extract version information in order to
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# make use of it.
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self.compiler = None
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self.version = None
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def GetDescription(self):
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return "{}-{}".format(self.compiler, self.version)
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def __str__(self):
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return self.GetDescription()
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# Compare string descriptions with our object. The semantics are:
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#
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# - Equality
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#
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# If the description does not have a version number, then we compare the
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# compiler names. For instance, "clang-3.6" is still equal to "clang" but of
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# course is not to "gcc".
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#
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# - Ordering
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#
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# Asking whether a compiler is lower than another depends on the version
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# number. What we are really asking here when using these operator is
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# "Is my compiler in the allowed range?". So with this in mind, comparing
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# two different compilers will always return false. If the compilers are the
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# same, then the version numbers are compared. Of course, we cannot use
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# ordering operators if no version number is provided.
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def __eq__(self, description):
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if description == self.GetDescription():
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return True
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else:
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# The user may not have provided a version, let's see if it matches the
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# compiler.
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return self.compiler == description
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def __ne__(self, description):
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return not self.__eq__(description)
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def __lt__(self, description):
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return self.CompareVersion(operator.lt, description)
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def __le__(self, description):
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return self.CompareVersion(operator.le, description)
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def __ge__(self, description):
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return self.CompareVersion(operator.ge, description)
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def __gt__(self, description):
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return self.CompareVersion(operator.gt, description)
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# Comparing the provided `description` string, in the form of
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# "{compiler}-{major}.{minor}". The comparison is done using the provided
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# `operator` argument.
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def CompareVersion(self, operator, description):
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match = re.search('^(\S+)-(.*?)$', description)
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if not match:
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raise Exception("A version number is required when comparing compilers")
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compiler, version = match.group(1), match.group(2)
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# The result is false if the compilers are different, otherwise compare the
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# version numbers.
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return self.compiler == compiler and \
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operator(LooseVersion(self.version), LooseVersion(version))
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class ReturnCode:
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def __init__(self, exit_on_error, printer_fn):
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self.rc = 0
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self.exit_on_error = exit_on_error
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self.printer_fn = printer_fn
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def Combine(self, rc):
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self.rc |= rc
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if self.exit_on_error and rc != 0:
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self.PrintStatus()
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sys.exit(rc)
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@property
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def Value(self):
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return self.rc
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def PrintStatus(self):
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self.printer_fn('\n$ ' + ' '.join(sys.argv))
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if self.rc == 0:
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self.printer_fn('SUCCESS')
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else:
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self.printer_fn('FAILURE')
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# Return a list of files whose name matches at least one `include` pattern, and
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# no `exclude` patterns, and whose directory (relative to the repository base)
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# matches at least one `include_dirs` and no `exclude_dirs` patterns.
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#
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# For directory matches, leading and trailing slashes are added first (so that
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# "*/foo/*" matches all of 'foo/bar', 'bar/foo' and 'bar/foo/bar').
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def get_source_files(
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include = ['*.h', '*.cc'],
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include_dirs = ['/src/*', '/test/*', '/examples/*', '/benchmarks/*'],
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exclude = [],
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exclude_dirs = ['.*', '*/traces/*']):
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def NameMatchesAnyFilter(name, filters):
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for f in filters:
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if fnmatch.fnmatch(name, f):
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return True
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return False
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files_found = []
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for root, dirs, files in os.walk(config.dir_root):
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git_path = os.path.join('/', os.path.relpath(root, config.dir_root), '')
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if NameMatchesAnyFilter(git_path, include_dirs) and \
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not NameMatchesAnyFilter(git_path, exclude_dirs):
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files_found += [
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os.path.join(root, name)
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for name in files
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if NameMatchesAnyFilter(name, include) and \
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not NameMatchesAnyFilter(name, exclude)
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]
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return files_found
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