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#!/usr/bin/python
#
# Copyright (C) 2009 Google 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 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.
#
# Copyright (c) 2009 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.
# usage: rule_binding.py INPUT CPPDIR HDIR -- INPUTS -- OPTIONS
#
# INPUT is an IDL file, such as Whatever.idl.
#
# CPPDIR is the directory into which V8Whatever.cpp will be placed. HDIR is
# the directory into which V8Whatever.h will be placed.
#
# The first item in INPUTS is the path to generate-bindings.pl. Remaining
# items in INPUTS are used to build the Perl module include path.
#
# OPTIONS are passed as-is to generate-bindings.pl as additional arguments.
import errno
import os
import shlex
import shutil
import subprocess
import sys
def SplitArgsIntoSections(args):
sections = []
while len(args) > 0:
if not '--' in args:
# If there is no '--' left, everything remaining is an entire section.
dashes = len(args)
else:
dashes = args.index('--')
sections.append(args[:dashes])
# Next time through the loop, look at everything after this '--'.
if dashes + 1 == len(args):
# If the '--' is at the end of the list, we won't come back through the
# loop again. Add an empty section now corresponding to the nothingness
# following the final '--'.
args = []
sections.append(args)
else:
args = args[dashes + 1:]
return sections
def main(args):
sections = SplitArgsIntoSections(args[1:])
assert len(sections) == 3, sections
(base, inputs, options) = sections
assert len(base) == 3, base
(input, cppdir, hdir) = base
assert len(inputs) > 1, inputs
generateBindings = inputs[0]
perlModules = inputs[1:]
includeDirs = []
for perlModule in perlModules:
includeDir = os.path.dirname(perlModule)
if not includeDir in includeDirs:
includeDirs.append(includeDir)
# The defines come in as one flat string. Split it up into distinct arguments.
if '--defines' in options:
definesIndex = options.index('--defines')
if definesIndex + 1 < len(options):
splitOptions = shlex.split(options[definesIndex + 1])
if splitOptions:
options[definesIndex + 1] = ' '.join(splitOptions)
# Build up the command.
command = ['perl', '-w']
for includeDir in includeDirs:
command.extend(['-I', includeDir])
command.append(generateBindings)
command.extend(options)
command.extend(['--outputDir', cppdir, input])
# Do it. check_call is new in 2.5, so simulate its behavior with call and
# assert.
returnCode = subprocess.call(command)
assert returnCode == 0
# Both the .cpp and .h were generated in cppdir, but if hdir is different,
# the .h needs to move. Copy it instead of using os.rename for maximum
# portability in all cases.
if cppdir != hdir:
inputBasename = os.path.basename(input)
(root, ext) = os.path.splitext(inputBasename)
hname = 'V8%s.h' % root
hsrc = os.path.join(cppdir, hname)
hdst = os.path.join(hdir, hname)
shutil.copyfile(hsrc, hdst)
os.unlink(hsrc)
return returnCode
if __name__ == '__main__':
sys.exit(main(sys.argv))
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