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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Top-level presubmit script for cc.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
details on the presubmit API built into gcl.
"""
import re
import string
CC_SOURCE_FILES=(r'^cc/.*\.(cc|h)$',)
def CheckChangeLintsClean(input_api, output_api):
input_api.cpplint._cpplint_state.ResetErrorCounts() # reset global state
source_filter = lambda x: input_api.FilterSourceFile(
x, white_list=CC_SOURCE_FILES, black_list=None)
files = [f.AbsoluteLocalPath() for f in
input_api.AffectedSourceFiles(source_filter)]
level = 1 # strict, but just warn
for file_name in files:
input_api.cpplint.ProcessFile(file_name, level)
if not input_api.cpplint._cpplint_state.error_count:
return []
return [output_api.PresubmitPromptWarning(
'Changelist failed cpplint.py check.')]
def CheckAsserts(input_api, output_api, white_list=CC_SOURCE_FILES, black_list=None):
black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
source_file_filter = lambda x: input_api.FilterSourceFile(x, white_list, black_list)
assert_files = []
notreached_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
# WebKit ASSERT() is not allowed.
if re.search(r"\bASSERT\(", contents):
assert_files.append(f.LocalPath())
# WebKit ASSERT_NOT_REACHED() is not allowed.
if re.search(r"ASSERT_NOT_REACHED\(", contents):
notreached_files.append(f.LocalPath())
if assert_files:
return [output_api.PresubmitError(
'These files use ASSERT instead of using DCHECK:',
items=assert_files)]
if notreached_files:
return [output_api.PresubmitError(
'These files use ASSERT_NOT_REACHED instead of using NOTREACHED:',
items=notreached_files)]
return []
def CheckStdAbs(input_api, output_api,
white_list=CC_SOURCE_FILES, black_list=None):
black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
source_file_filter = lambda x: input_api.FilterSourceFile(x,
white_list,
black_list)
using_std_abs_files = []
found_fabs_files = []
missing_std_prefix_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
if re.search(r"using std::f?abs;", contents):
using_std_abs_files.append(f.LocalPath())
if re.search(r"\bfabsf?\(", contents):
found_fabs_files.append(f.LocalPath());
no_std_prefix = r"(?<!std::)"
# Matches occurrences of abs/absf/fabs/fabsf without a "std::" prefix.
abs_without_prefix = r"%s(\babsf?\()" % no_std_prefix
fabs_without_prefix = r"%s(\bfabsf?\()" % no_std_prefix
# Skips matching any lines that have "// NOLINT".
no_nolint = r"(?![^\n]*//\s+NOLINT)"
expression = re.compile("(%s|%s)%s" %
(abs_without_prefix, fabs_without_prefix, no_nolint))
if expression.search(contents):
missing_std_prefix_files.append(f.LocalPath())
result = []
if using_std_abs_files:
result.append(output_api.PresubmitError(
'These files have "using std::abs" which is not permitted.',
items=using_std_abs_files))
if found_fabs_files:
result.append(output_api.PresubmitError(
'std::abs() should be used instead of std::fabs() for consistency.',
items=found_fabs_files))
if missing_std_prefix_files:
result.append(output_api.PresubmitError(
'These files use abs(), absf(), fabs(), or fabsf() without qualifying '
'the std namespace. Please use std::abs() in all places.',
items=missing_std_prefix_files))
return result
def CheckPassByValue(input_api,
output_api,
white_list=CC_SOURCE_FILES,
black_list=None):
black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
source_file_filter = lambda x: input_api.FilterSourceFile(x,
white_list,
black_list)
local_errors = []
# Well-defined simple classes containing only <= 4 ints, or <= 2 floats.
pass_by_value_types = ['base::Time',
'base::TimeTicks',
'gfx::Point',
'gfx::PointF',
'gfx::Rect',
'gfx::Size',
'gfx::SizeF',
'gfx::Vector2d',
'gfx::Vector2dF',
]
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
match = re.search(
r'\bconst +' + '(?P<type>(%s))&' %
string.join(pass_by_value_types, '|'),
contents)
if match:
local_errors.append(output_api.PresubmitError(
'%s passes %s by const ref instead of by value.' %
(f.LocalPath(), match.group('type'))))
return local_errors
def CheckTodos(input_api, output_api):
errors = []
source_file_filter = lambda x: x
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
if ('FIX'+'ME') in contents:
errors.append(f.LocalPath())
if errors:
return [output_api.PresubmitError(
'All TODO comments should be of the form TODO(name).',
items=errors)]
return []
def CheckChangeOnUpload(input_api, output_api):
results = []
results += CheckAsserts(input_api, output_api)
results += CheckStdAbs(input_api, output_api)
results += CheckPassByValue(input_api, output_api)
results += CheckChangeLintsClean(input_api, output_api)
results += CheckTodos(input_api, output_api)
return results
def GetPreferredTrySlaves(project, change):
return [
'linux_layout_rel',
'win_gpu',
'linux_gpu',
'mac_gpu',
'mac_gpu_retina',
]
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