v8/tools/presubmit.py
Benedikt Meurer bb346227db [test] Initial import of an emscripten test suite.
These tests are based on individual tests from the Emscripten benchmark
suite, which are used to test Emscripten itself. We adopt them to test
asm.js code paths in V8.

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/1101493002

Cr-Commit-Position: refs/heads/master@{#27962}
2015-04-21 12:24:10 +00:00

499 lines
15 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2012 the V8 project authors. 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.
try:
import hashlib
md5er = hashlib.md5
except ImportError, e:
import md5
md5er = md5.new
import optparse
import os
from os.path import abspath, join, dirname, basename, exists
import pickle
import re
import sys
import subprocess
import multiprocessing
from subprocess import PIPE
# Disabled LINT rules and reason.
# build/include_what_you_use: Started giving false positives for variables
# named "string" and "map" assuming that you needed to include STL headers.
ENABLED_LINT_RULES = """
build/class
build/deprecated
build/endif_comment
build/forward_decl
build/include_alpha
build/include_order
build/printf_format
build/storage_class
legal/copyright
readability/boost
readability/braces
readability/casting
readability/constructors
readability/fn_size
readability/function
readability/multiline_comment
readability/multiline_string
readability/streams
readability/todo
readability/utf8
runtime/arrays
runtime/casting
runtime/deprecated_fn
runtime/explicit
runtime/int
runtime/memset
runtime/mutex
runtime/nonconf
runtime/printf
runtime/printf_format
runtime/rtti
runtime/sizeof
runtime/string
runtime/virtual
runtime/vlog
whitespace/blank_line
whitespace/braces
whitespace/comma
whitespace/comments
whitespace/ending_newline
whitespace/indent
whitespace/labels
whitespace/line_length
whitespace/newline
whitespace/operators
whitespace/parens
whitespace/tab
whitespace/todo
""".split()
# TODO(bmeurer): Fix and re-enable readability/check
LINT_OUTPUT_PATTERN = re.compile(r'^.+[:(]\d+[:)]|^Done processing')
def CppLintWorker(command):
try:
process = subprocess.Popen(command, stderr=subprocess.PIPE)
process.wait()
out_lines = ""
error_count = -1
while True:
out_line = process.stderr.readline()
if out_line == '' and process.poll() != None:
if error_count == -1:
print "Failed to process %s" % command.pop()
return 1
break
m = LINT_OUTPUT_PATTERN.match(out_line)
if m:
out_lines += out_line
error_count += 1
sys.stdout.write(out_lines)
return error_count
except KeyboardInterrupt:
process.kill()
except:
print('Error running cpplint.py. Please make sure you have depot_tools' +
' in your $PATH. Lint check skipped.')
process.kill()
class FileContentsCache(object):
def __init__(self, sums_file_name):
self.sums = {}
self.sums_file_name = sums_file_name
def Load(self):
try:
sums_file = None
try:
sums_file = open(self.sums_file_name, 'r')
self.sums = pickle.load(sums_file)
except:
# Cannot parse pickle for any reason. Not much we can do about it.
pass
finally:
if sums_file:
sums_file.close()
def Save(self):
try:
sums_file = open(self.sums_file_name, 'w')
pickle.dump(self.sums, sums_file)
except:
# Failed to write pickle. Try to clean-up behind us.
if sums_file:
sums_file.close()
try:
os.unlink(self.sums_file_name)
except:
pass
finally:
sums_file.close()
def FilterUnchangedFiles(self, files):
changed_or_new = []
for file in files:
try:
handle = open(file, "r")
file_sum = md5er(handle.read()).digest()
if not file in self.sums or self.sums[file] != file_sum:
changed_or_new.append(file)
self.sums[file] = file_sum
finally:
handle.close()
return changed_or_new
def RemoveFile(self, file):
if file in self.sums:
self.sums.pop(file)
class SourceFileProcessor(object):
"""
Utility class that can run through a directory structure, find all relevant
files and invoke a custom check on the files.
"""
def Run(self, path):
all_files = []
for file in self.GetPathsToSearch():
all_files += self.FindFilesIn(join(path, file))
if not self.ProcessFiles(all_files, path):
return False
return True
def IgnoreDir(self, name):
return (name.startswith('.') or
name in ('buildtools', 'data', 'gmock', 'gtest', 'kraken',
'octane', 'sunspider'))
def IgnoreFile(self, name):
return name.startswith('.')
def FindFilesIn(self, path):
result = []
for (root, dirs, files) in os.walk(path):
for ignored in [x for x in dirs if self.IgnoreDir(x)]:
dirs.remove(ignored)
for file in files:
if not self.IgnoreFile(file) and self.IsRelevant(file):
result.append(join(root, file))
return result
class CppLintProcessor(SourceFileProcessor):
"""
Lint files to check that they follow the google code style.
"""
def IsRelevant(self, name):
return name.endswith('.cc') or name.endswith('.h')
def IgnoreDir(self, name):
return (super(CppLintProcessor, self).IgnoreDir(name)
or (name == 'third_party'))
IGNORE_LINT = ['flag-definitions.h']
def IgnoreFile(self, name):
return (super(CppLintProcessor, self).IgnoreFile(name)
or (name in CppLintProcessor.IGNORE_LINT))
def GetPathsToSearch(self):
return ['src', 'include', 'samples', join('test', 'cctest'),
join('test', 'unittests')]
def GetCpplintScript(self, prio_path):
for path in [prio_path] + os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
cpplint = os.path.join(path, "cpplint.py")
if os.path.isfile(cpplint):
return cpplint
return None
def ProcessFiles(self, files, path):
good_files_cache = FileContentsCache('.cpplint-cache')
good_files_cache.Load()
files = good_files_cache.FilterUnchangedFiles(files)
if len(files) == 0:
print 'No changes in files detected. Skipping cpplint check.'
return True
filt = '-,' + ",".join(['+' + n for n in ENABLED_LINT_RULES])
command = [sys.executable, 'cpplint.py', '--filter', filt]
cpplint = self.GetCpplintScript(join(path, "tools"))
if cpplint is None:
print('Could not find cpplint.py. Make sure '
'depot_tools is installed and in the path.')
sys.exit(1)
command = [sys.executable, cpplint, '--filter', filt]
commands = join([command + [file] for file in files])
count = multiprocessing.cpu_count()
pool = multiprocessing.Pool(count)
try:
results = pool.map_async(CppLintWorker, commands).get(999999)
except KeyboardInterrupt:
print "\nCaught KeyboardInterrupt, terminating workers."
sys.exit(1)
for i in range(len(files)):
if results[i] > 0:
good_files_cache.RemoveFile(files[i])
total_errors = sum(results)
print "Total errors found: %d" % total_errors
good_files_cache.Save()
return total_errors == 0
COPYRIGHT_HEADER_PATTERN = re.compile(
r'Copyright [\d-]*20[0-1][0-9] the V8 project authors. All rights reserved.')
class SourceProcessor(SourceFileProcessor):
"""
Check that all files include a copyright notice and no trailing whitespaces.
"""
RELEVANT_EXTENSIONS = ['.js', '.cc', '.h', '.py', '.c',
'.status', '.gyp', '.gypi']
# Overwriting the one in the parent class.
def FindFilesIn(self, path):
if os.path.exists(path+'/.git'):
output = subprocess.Popen('git ls-files --full-name',
stdout=PIPE, cwd=path, shell=True)
result = []
for file in output.stdout.read().split():
for dir_part in os.path.dirname(file).replace(os.sep, '/').split('/'):
if self.IgnoreDir(dir_part):
break
else:
if (self.IsRelevant(file) and os.path.exists(file)
and not self.IgnoreFile(file)):
result.append(join(path, file))
if output.wait() == 0:
return result
return super(SourceProcessor, self).FindFilesIn(path)
def IsRelevant(self, name):
for ext in SourceProcessor.RELEVANT_EXTENSIONS:
if name.endswith(ext):
return True
return False
def GetPathsToSearch(self):
return ['.']
def IgnoreDir(self, name):
return (super(SourceProcessor, self).IgnoreDir(name) or
name in ('third_party', 'gyp', 'out', 'obj', 'DerivedSources',
'emscripten'))
IGNORE_COPYRIGHTS = ['box2d.js',
'cpplint.py',
'copy.js',
'corrections.js',
'crypto.js',
'daemon.py',
'earley-boyer.js',
'fannkuch.js',
'fasta.js',
'jsmin.py',
'libraries.cc',
'libraries-empty.cc',
'lua_binarytrees.js',
'memops.js',
'primes.js',
'raytrace.js',
'regexp-pcre.js',
'sqlite.js',
'gnuplot-4.6.3-emscripten.js',
'zlib.js']
IGNORE_TABS = IGNORE_COPYRIGHTS + ['unicode-test.js', 'html-comments.js']
def EndOfDeclaration(self, line):
return line == "}" or line == "};"
def StartOfDeclaration(self, line):
return line.find("//") == 0 or \
line.find("/*") == 0 or \
line.find(") {") != -1
def ProcessContents(self, name, contents):
result = True
base = basename(name)
if not base in SourceProcessor.IGNORE_TABS:
if '\t' in contents:
print "%s contains tabs" % name
result = False
if not base in SourceProcessor.IGNORE_COPYRIGHTS:
if not COPYRIGHT_HEADER_PATTERN.search(contents):
print "%s is missing a correct copyright header." % name
result = False
if ' \n' in contents or contents.endswith(' '):
line = 0
lines = []
parts = contents.split(' \n')
if not contents.endswith(' '):
parts.pop()
for part in parts:
line += part.count('\n') + 1
lines.append(str(line))
linenumbers = ', '.join(lines)
if len(lines) > 1:
print "%s has trailing whitespaces in lines %s." % (name, linenumbers)
else:
print "%s has trailing whitespaces in line %s." % (name, linenumbers)
result = False
if not contents.endswith('\n') or contents.endswith('\n\n'):
print "%s does not end with a single new line." % name
result = False
# Check two empty lines between declarations.
if name.endswith(".cc"):
line = 0
lines = []
parts = contents.split('\n')
while line < len(parts) - 2:
if self.EndOfDeclaration(parts[line]):
if self.StartOfDeclaration(parts[line + 1]):
lines.append(str(line + 1))
line += 1
elif parts[line + 1] == "" and \
self.StartOfDeclaration(parts[line + 2]):
lines.append(str(line + 1))
line += 2
line += 1
if len(lines) >= 1:
linenumbers = ', '.join(lines)
if len(lines) > 1:
print "%s does not have two empty lines between declarations " \
"in lines %s." % (name, linenumbers)
else:
print "%s does not have two empty lines between declarations " \
"in line %s." % (name, linenumbers)
result = False
return result
def ProcessFiles(self, files, path):
success = True
violations = 0
for file in files:
try:
handle = open(file)
contents = handle.read()
if not self.ProcessContents(file, contents):
success = False
violations += 1
finally:
handle.close()
print "Total violating files: %s" % violations
return success
def CheckRuntimeVsNativesNameClashes(workspace):
code = subprocess.call(
[sys.executable, join(workspace, "tools", "check-name-clashes.py")])
return code == 0
def CheckExternalReferenceRegistration(workspace):
code = subprocess.call(
[sys.executable, join(workspace, "tools", "external-reference-check.py")])
return code == 0
def CheckAuthorizedAuthor(input_api, output_api):
"""For non-googler/chromites committers, verify the author's email address is
in AUTHORS.
"""
# TODO(maruel): Add it to input_api?
import fnmatch
author = input_api.change.author_email
if not author:
input_api.logging.info('No author, skipping AUTHOR check')
return []
authors_path = input_api.os_path.join(
input_api.PresubmitLocalPath(), 'AUTHORS')
valid_authors = (
input_api.re.match(r'[^#]+\s+\<(.+?)\>\s*$', line)
for line in open(authors_path))
valid_authors = [item.group(1).lower() for item in valid_authors if item]
if not any(fnmatch.fnmatch(author.lower(), valid) for valid in valid_authors):
input_api.logging.info('Valid authors are %s', ', '.join(valid_authors))
return [output_api.PresubmitPromptWarning(
('%s is not in AUTHORS file. If you are a new contributor, please visit'
'\n'
'http://www.chromium.org/developers/contributing-code and read the '
'"Legal" section\n'
'If you are a chromite, verify the contributor signed the CLA.') %
author)]
return []
def GetOptions():
result = optparse.OptionParser()
result.add_option('--no-lint', help="Do not run cpplint", default=False,
action="store_true")
return result
def Main():
workspace = abspath(join(dirname(sys.argv[0]), '..'))
parser = GetOptions()
(options, args) = parser.parse_args()
success = True
print "Running C++ lint check..."
if not options.no_lint:
success = CppLintProcessor().Run(workspace) and success
print "Running copyright header, trailing whitespaces and " \
"two empty lines between declarations check..."
success = SourceProcessor().Run(workspace) and success
success = CheckRuntimeVsNativesNameClashes(workspace) and success
success = CheckExternalReferenceRegistration(workspace) and success
if success:
return 0
else:
return 1
if __name__ == '__main__':
sys.exit(Main())