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# Copyright (c) 2013, 2015-2017 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) 2011 Advanced Micro Devices, Inc.
# Copyright (c) 2009 The Hewlett-Packard Development Company
# Copyright (c) 2004-2005 The Regents of The University of Michigan
# 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.
import os
from gem5_scons.util import get_termcap
termcap = get_termcap()
def strip_build_path(path, env):
path = str(path)
build_base = 'build/'
variant_base = env['BUILDROOT'] + os.path.sep
if path.startswith(variant_base):
path = path[len(variant_base):]
elif path.startswith(build_base):
path = path[len(build_base):]
return path
# Generate a string of the form:
# common/path/prefix/src1, src2 -> tgt1, tgt2
# to print while building.
class Transform(object):
# all specific color settings should be here and nowhere else
tool_color = termcap.Normal
pfx_color = termcap.Yellow
srcs_color = termcap.Yellow + termcap.Bold
arrow_color = termcap.Blue + termcap.Bold
tgts_color = termcap.Yellow + termcap.Bold
def __init__(self, tool, max_sources=99):
self.format = self.tool_color + (" [%8s] " % tool) \
+ self.pfx_color + "%s" \
+ self.srcs_color + "%s" \
+ self.arrow_color + " -> " \
+ self.tgts_color + "%s" \
+ termcap.Normal
self.max_sources = max_sources
def __call__(self, target, source, env, for_signature=None):
# truncate source list according to max_sources param
source = source[0:self.max_sources]
def strip(f):
return strip_build_path(str(f), env)
if len(source) > 0:
srcs = map(strip, source)
else:
srcs = ['']
tgts = map(strip, target)
# surprisingly, os.path.commonprefix is a dumb char-by-char string
# operation that has nothing to do with paths.
com_pfx = os.path.commonprefix(srcs + tgts)
com_pfx_len = len(com_pfx)
if com_pfx:
# do some cleanup and sanity checking on common prefix
if com_pfx[-1] == ".":
# prefix matches all but file extension: ok
# back up one to change 'foo.cc -> o' to 'foo.cc -> .o'
com_pfx = com_pfx[0:-1]
elif com_pfx[-1] == "/":
# common prefix is directory path: OK
pass
else:
src0_len = len(srcs[0])
tgt0_len = len(tgts[0])
if src0_len == com_pfx_len:
# source is a substring of target, OK
pass
elif tgt0_len == com_pfx_len:
# target is a substring of source, need to back up to
# avoid empty string on RHS of arrow
sep_idx = com_pfx.rfind(".")
if sep_idx != -1:
com_pfx = com_pfx[0:sep_idx]
else:
com_pfx = ''
elif src0_len > com_pfx_len and srcs[0][com_pfx_len] == ".":
# still splitting at file extension: ok
pass
else:
# probably a fluke; ignore it
com_pfx = ''
# recalculate length in case com_pfx was modified
com_pfx_len = len(com_pfx)
def fmt(files):
f = map(lambda s: s[com_pfx_len:], files)
return ', '.join(f)
return self.format % (com_pfx, fmt(srcs), fmt(tgts))
__all__ = ['Transform']
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