55b2391857
presubmit.py tried to execute cpplint.py directly, but in Windows it's the shell that connects that to the python binary so the execution (subprocess.Popen) needs to be told how to find python. An alternative would be to call subprocess.Popen with shell=True but this is less dangerous. Review URL: https://chromiumcodereview.appspot.com/13849008 Patch from Daniel Bratell <bratell@opera.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14263 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
403 lines
12 KiB
Python
Executable File
403 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2012 the V8 project authors. All rights reserved.
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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
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# disclaimer in the documentation and/or other materials provided
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# with the 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
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# from 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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try:
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import hashlib
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md5er = hashlib.md5
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except ImportError, e:
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import md5
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md5er = md5.new
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import optparse
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import os
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from os.path import abspath, join, dirname, basename, exists
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import pickle
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import re
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import sys
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import subprocess
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import multiprocessing
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from subprocess import PIPE
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# Disabled LINT rules and reason.
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# build/include_what_you_use: Started giving false positives for variables
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# named "string" and "map" assuming that you needed to include STL headers.
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ENABLED_LINT_RULES = """
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build/class
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build/deprecated
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build/endif_comment
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build/forward_decl
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build/include_order
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build/printf_format
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build/storage_class
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legal/copyright
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readability/boost
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readability/braces
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readability/casting
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readability/check
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readability/constructors
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readability/fn_size
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readability/function
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readability/multiline_comment
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readability/multiline_string
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readability/streams
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readability/todo
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readability/utf8
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runtime/arrays
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runtime/casting
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runtime/deprecated_fn
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runtime/explicit
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runtime/int
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runtime/memset
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runtime/mutex
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runtime/nonconf
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runtime/printf
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runtime/printf_format
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runtime/references
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runtime/rtti
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runtime/sizeof
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runtime/string
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runtime/virtual
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runtime/vlog
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whitespace/blank_line
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whitespace/braces
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whitespace/comma
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whitespace/comments
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whitespace/ending_newline
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whitespace/indent
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whitespace/labels
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whitespace/line_length
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whitespace/newline
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whitespace/operators
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whitespace/parens
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whitespace/tab
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whitespace/todo
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""".split()
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LINT_OUTPUT_PATTERN = re.compile(r'^.+[:(]\d+[:)]|^Done processing')
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def CppLintWorker(command):
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try:
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process = subprocess.Popen(command, stderr=subprocess.PIPE)
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process.wait()
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out_lines = ""
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error_count = -1
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while True:
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out_line = process.stderr.readline()
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if out_line == '' and process.poll() != None:
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if error_count == -1:
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print "Failed to process %s" % command.pop()
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return 1
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break
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m = LINT_OUTPUT_PATTERN.match(out_line)
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if m:
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out_lines += out_line
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error_count += 1
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sys.stdout.write(out_lines)
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return error_count
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except KeyboardInterrupt:
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process.kill()
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except:
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print('Error running cpplint.py. Please make sure you have depot_tools' +
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' in your $PATH. Lint check skipped.')
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process.kill()
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class FileContentsCache(object):
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def __init__(self, sums_file_name):
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self.sums = {}
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self.sums_file_name = sums_file_name
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def Load(self):
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try:
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sums_file = None
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try:
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sums_file = open(self.sums_file_name, 'r')
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self.sums = pickle.load(sums_file)
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except IOError:
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# File might not exist, this is OK.
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pass
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finally:
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if sums_file:
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sums_file.close()
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def Save(self):
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try:
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sums_file = open(self.sums_file_name, 'w')
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pickle.dump(self.sums, sums_file)
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finally:
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sums_file.close()
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def FilterUnchangedFiles(self, files):
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changed_or_new = []
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for file in files:
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try:
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handle = open(file, "r")
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file_sum = md5er(handle.read()).digest()
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if not file in self.sums or self.sums[file] != file_sum:
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changed_or_new.append(file)
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self.sums[file] = file_sum
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finally:
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handle.close()
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return changed_or_new
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def RemoveFile(self, file):
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if file in self.sums:
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self.sums.pop(file)
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class SourceFileProcessor(object):
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"""
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Utility class that can run through a directory structure, find all relevant
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files and invoke a custom check on the files.
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"""
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def Run(self, path):
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all_files = []
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for file in self.GetPathsToSearch():
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all_files += self.FindFilesIn(join(path, file))
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if not self.ProcessFiles(all_files, path):
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return False
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return True
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def IgnoreDir(self, name):
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return name.startswith('.') or name == 'data' or name == 'sputniktests'
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def IgnoreFile(self, name):
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return name.startswith('.')
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def FindFilesIn(self, path):
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result = []
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for (root, dirs, files) in os.walk(path):
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for ignored in [x for x in dirs if self.IgnoreDir(x)]:
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dirs.remove(ignored)
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for file in files:
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if not self.IgnoreFile(file) and self.IsRelevant(file):
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result.append(join(root, file))
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return result
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class CppLintProcessor(SourceFileProcessor):
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"""
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Lint files to check that they follow the google code style.
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"""
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def IsRelevant(self, name):
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return name.endswith('.cc') or name.endswith('.h')
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def IgnoreDir(self, name):
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return (super(CppLintProcessor, self).IgnoreDir(name)
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or (name == 'third_party'))
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IGNORE_LINT = ['flag-definitions.h']
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def IgnoreFile(self, name):
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return (super(CppLintProcessor, self).IgnoreFile(name)
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or (name in CppLintProcessor.IGNORE_LINT))
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def GetPathsToSearch(self):
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return ['src', 'preparser', 'include', 'samples', join('test', 'cctest')]
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def GetCpplintScript(self, prio_path):
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for path in [prio_path] + os.environ["PATH"].split(os.pathsep):
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path = path.strip('"')
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cpplint = os.path.join(path, "cpplint.py")
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if os.path.isfile(cpplint):
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return cpplint
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return None
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def ProcessFiles(self, files, path):
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good_files_cache = FileContentsCache('.cpplint-cache')
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good_files_cache.Load()
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files = good_files_cache.FilterUnchangedFiles(files)
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if len(files) == 0:
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print 'No changes in files detected. Skipping cpplint check.'
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return True
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filt = '-,' + ",".join(['+' + n for n in ENABLED_LINT_RULES])
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command = [sys.executable, 'cpplint.py', '--filter', filt]
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cpplint = self.GetCpplintScript(join(path, "tools"))
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if cpplint is None:
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print('Could not find cpplint.py. Make sure '
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'depot_tools is installed and in the path.')
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sys.exit(1)
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command = [sys.executable, cpplint, '--filter', filt]
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commands = join([command + [file] for file in files])
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count = multiprocessing.cpu_count()
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pool = multiprocessing.Pool(count)
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try:
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results = pool.map_async(CppLintWorker, commands).get(999999)
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except KeyboardInterrupt:
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print "\nCaught KeyboardInterrupt, terminating workers."
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sys.exit(1)
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for i in range(len(files)):
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if results[i] > 0:
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good_files_cache.RemoveFile(files[i])
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total_errors = sum(results)
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print "Total errors found: %d" % total_errors
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good_files_cache.Save()
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return total_errors == 0
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COPYRIGHT_HEADER_PATTERN = re.compile(
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r'Copyright [\d-]*20[0-1][0-9] the V8 project authors. All rights reserved.')
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class SourceProcessor(SourceFileProcessor):
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"""
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Check that all files include a copyright notice and no trailing whitespaces.
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"""
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RELEVANT_EXTENSIONS = ['.js', '.cc', '.h', '.py', '.c', 'SConscript',
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'SConstruct', '.status', '.gyp', '.gypi']
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# Overwriting the one in the parent class.
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def FindFilesIn(self, path):
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if os.path.exists(path+'/.git'):
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output = subprocess.Popen('git ls-files --full-name',
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stdout=PIPE, cwd=path, shell=True)
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result = []
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for file in output.stdout.read().split():
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for dir_part in os.path.dirname(file).split(os.sep):
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if self.IgnoreDir(dir_part):
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break
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else:
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if self.IsRelevant(file) and not self.IgnoreFile(file):
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result.append(join(path, file))
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if output.wait() == 0:
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return result
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return super(SourceProcessor, self).FindFilesIn(path)
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def IsRelevant(self, name):
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for ext in SourceProcessor.RELEVANT_EXTENSIONS:
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if name.endswith(ext):
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return True
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return False
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def GetPathsToSearch(self):
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return ['.']
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def IgnoreDir(self, name):
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return (super(SourceProcessor, self).IgnoreDir(name)
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or (name == 'third_party')
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or (name == 'gyp')
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or (name == 'out')
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or (name == 'obj')
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or (name == 'DerivedSources'))
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IGNORE_COPYRIGHTS = ['cpplint.py',
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'daemon.py',
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'earley-boyer.js',
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'raytrace.js',
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'crypto.js',
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'libraries.cc',
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'libraries-empty.cc',
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'jsmin.py',
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'regexp-pcre.js']
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IGNORE_TABS = IGNORE_COPYRIGHTS + ['unicode-test.js', 'html-comments.js']
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def ProcessContents(self, name, contents):
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result = True
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base = basename(name)
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if not base in SourceProcessor.IGNORE_TABS:
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if '\t' in contents:
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print "%s contains tabs" % name
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result = False
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if not base in SourceProcessor.IGNORE_COPYRIGHTS:
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if not COPYRIGHT_HEADER_PATTERN.search(contents):
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print "%s is missing a correct copyright header." % name
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result = False
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ext = base.split('.').pop()
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if ' \n' in contents or contents.endswith(' '):
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line = 0
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lines = []
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parts = contents.split(' \n')
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if not contents.endswith(' '):
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parts.pop()
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for part in parts:
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line += part.count('\n') + 1
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lines.append(str(line))
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linenumbers = ', '.join(lines)
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if len(lines) > 1:
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print "%s has trailing whitespaces in lines %s." % (name, linenumbers)
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else:
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print "%s has trailing whitespaces in line %s." % (name, linenumbers)
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result = False
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return result
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def ProcessFiles(self, files, path):
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success = True
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violations = 0
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for file in files:
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try:
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handle = open(file)
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contents = handle.read()
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if not self.ProcessContents(file, contents):
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success = False
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violations += 1
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finally:
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handle.close()
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print "Total violating files: %s" % violations
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return success
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def GetOptions():
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result = optparse.OptionParser()
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result.add_option('--no-lint', help="Do not run cpplint", default=False,
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action="store_true")
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return result
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def Main():
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workspace = abspath(join(dirname(sys.argv[0]), '..'))
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parser = GetOptions()
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(options, args) = parser.parse_args()
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success = True
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print "Running C++ lint check..."
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if not options.no_lint:
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success = CppLintProcessor().Run(workspace) and success
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print "Running copyright header and trailing whitespaces check..."
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success = SourceProcessor().Run(workspace) and success
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if success:
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return 0
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else:
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return 1
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if __name__ == '__main__':
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sys.exit(Main())
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