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#! /usr/bin/env python2
# Copyright (c) 2014, 2016 ARM Limited
# All rights reserved
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Copyright (c) 2006 The Regents of The University of Michigan
# Copyright (c) 2007,2011 The Hewlett-Packard Development Company
# Copyright (c) 2016 Advanced Micro Devices, Inc.
# 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 the copyright holders 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.
#
# Authors: Nathan Binkert
# Steve Reinhardt
# Andreas Sandberg
from abc import ABCMeta, abstractmethod
import difflib
import re
import sys
from region import *
tabsize = 8
lead = re.compile(r'^([ \t]+)')
trail = re.compile(r'([ \t]+)$')
any_control = re.compile(r'\b(if|while|for)([ \t]*)\(')
class UserInterface(object):
__metaclass__ = ABCMeta
def __init__(self, verbose=False):
self.verbose = verbose
def prompt(self, prompt, results, default):
while True:
result = self._prompt(prompt, results, default)
if result in results:
return result
@abstractmethod
def _prompt(self, prompt, results, default):
pass
@abstractmethod
def write(self, string):
pass
class StdioUI(UserInterface):
def _prompt(self, prompt, results, default):
return raw_input(prompt) or default
def write(self, string):
sys.stdout.write(string)
class MercurialUI(UserInterface):
def __init__(self, ui, *args, **kwargs):
super(MercurialUI, self).__init__(*args, **kwargs)
self.hg_ui = ui
def _prompt(self, prompt, results, default):
return self.hg_ui.prompt(prompt, default=default)
def write(self, string):
self.hg_ui.write(string)
def _re_ignore(expr):
"""Helper function to create regular expression ignore file
matcher functions"""
rex = re.compile(expr)
def match_re(fname):
return rex.match(fname)
return match_re
# This list contains a list of functions that are called to determine
# if a file should be excluded from the style matching rules or
# not. The functions are called with the file name relative to the
# repository root (without a leading slash) as their argument. A file
# is excluded if any function in the list returns true.
style_ignores = [
# Ignore external projects as they are unlikely to follow the gem5
# coding convention.
_re_ignore("^ext/"),
# Ignore test data, as they are not code
_re_ignore("^tests/(?:quick|long)/"),
# Ignore RISC-V assembly tests as they are maintained in an external
# project that does not follow the gem5 coding convention
_re_ignore("tests/test-progs/asmtest/src/riscv/"),
# Ignore RISC-V assembly dump files
_re_ignore("tests/test-progs/asmtest/dump/riscv/")
]
def check_ignores(fname):
"""Check if a file name matches any of the ignore rules"""
for rule in style_ignores:
if rule(fname):
return True
return False
def normalized_len(line):
"""Return a normalized line length with expanded tabs"""
count = 0
for c in line:
if c == '\t':
count += tabsize - count % tabsize
else:
count += 1
return count
def modified_regions(old, new, context=0):
regions = Regions()
m = difflib.SequenceMatcher(a=old, b=new, autojunk=False)
for group in m.get_grouped_opcodes(context):
first = group[0]
last = group[-1]
regions.extend(Region(first[3], last[4] + 1))
return regions
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