Move core/scripts to build/scripts so that platform can use them.

Source/core/scripts/rule_bison.py

-#!/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_bison.py INPUT_FILE OUTPUT_DIR [BISON_EXE]
-# INPUT_FILE is a path to either CSSGrammar.y or XPathGrammar.y.
-# OUTPUT_DIR is where the bison-generated .cpp and .h files should be placed.
-
-import errno
-import os
-import os.path
-import subprocess
-import sys
-
-assert len(sys.argv) == 3 or len(sys.argv) == 4
-
-inputFile = sys.argv[1]
-outputDir = sys.argv[2]
-bisonExe = 'bison'
-if len(sys.argv) > 3:
-    bisonExe = sys.argv[3]
-
-inputName = os.path.basename(inputFile)
-assert inputName == 'CSSGrammar.y' or inputName == 'XPathGrammar.y'
-prefix = {'CSSGrammar.y': 'cssyy', 'XPathGrammar.y': 'xpathyy'}[inputName]
-
-(inputRoot, inputExt) = os.path.splitext(inputName)
-
-# The generated .h will be in a different location depending on the bison
-# version.
-outputHTries = [
-    os.path.join(outputDir, inputRoot + '.cpp.h'),
-    os.path.join(outputDir, inputRoot + '.hpp'),
-]
-
-for outputHTry in outputHTries:
-    try:
-        os.unlink(outputHTry)
-    except OSError, e:
-        if e.errno != errno.ENOENT:
-            raise
-
-outputCpp = os.path.join(outputDir, inputRoot + '.cpp')
-
-returnCode = subprocess.call([bisonExe, '-d', '-p', prefix, inputFile, '-o', outputCpp])
-assert returnCode == 0
-
-# Find the name that bison used for the generated header file.
-outputHTmp = None
-for outputHTry in outputHTries:
-    try:
-        os.stat(outputHTry)
-        outputHTmp = outputHTry
-        break
-    except OSError, e:
-        if e.errno != errno.ENOENT:
-            raise
-
-assert outputHTmp != None
-
-# Read the header file in under the generated name and remove it.
-outputHFile = open(outputHTmp)
-outputHContents = outputHFile.read()
-outputHFile.close()
-os.unlink(outputHTmp)
-
-# Rewrite the generated header with #include guards.
-outputH = os.path.join(outputDir, inputRoot + '.h')
-
-outputHFile = open(outputH, 'w')
-print >>outputHFile, '#ifndef %sH' % inputRoot
-print >>outputHFile, '#define %sH' % inputRoot
-print >>outputHFile, outputHContents
-print >>outputHFile, '#endif'
-outputHFile.close()