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#! /usr/bin/python
# Copyright (C) 2014 Apple 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:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
# This tool processes the bytecode list to create Bytecodes.h and InitBytecodes.asm
import hashlib
import json
import optparse
import os
import re
import sys
cCopyrightMsg = """/*
* Copyright (C) 2014 Apple 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
* Autogenerated from %s, do not modify.
*/
"""
asmCopyrightMsg = """# Copyright (C) 2014 Apple 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:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
# Autogenerated from %s, do not modify.
"""
def openOrExit(path, mode):
try:
return open(path, mode)
except IOError as e:
print "I/O error opening {0}, ({1}): {2}".format(path, e.errno, e.strerror)
exit(1)
def hashFile(file):
sha1 = hashlib.sha1()
file.seek(0)
for line in file:
sha1.update(line)
file.seek(0)
return sha1.hexdigest()
if __name__ == "__main__":
parser = optparse.OptionParser(usage = "usage: %prog [--bytecodes_h <FILE>] [--init_bytecodes_asm <FILE>] <bytecode-json-file>")
parser.add_option("-b", "--bytecodes_h", dest = "bytecodesHFileName", help = "generate bytecodes macro .h FILE", metavar = "FILE")
parser.add_option("-a", "--init_bytecodes_asm", dest = "initASMFileName", help="generate ASM bytecodes init FILE", metavar = "FILE")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("missing <bytecode-json-file>")
bytecodeJSONFile = args[0]
bytecodeFile = openOrExit(bytecodeJSONFile, "rb")
sha1Hash = hashFile(bytecodeFile)
hFileHashString = "// SHA1Hash: {0}\n".format(sha1Hash)
asmFileHashString = "# SHA1Hash: {0}\n".format(sha1Hash)
bytecodeHFilename = options.bytecodesHFileName
initASMFileName = options.initASMFileName
if not bytecodeHFilename and not initASMFileName:
parser.print_help()
exit(0)
needToGenerate = False
if bytecodeHFilename:
try:
bytecodeHReadFile = open(bytecodeHFilename, "rb")
hashLine = bytecodeHReadFile.readline()
if hashLine != hFileHashString:
needToGenerate = True
except:
needToGenerate = True
else:
bytecodeHReadFile.close()
if initASMFileName:
try:
initBytecodesReadFile = open(initASMFileName, "rb")
hashLine = initBytecodesReadFile.readline()
if hashLine != asmFileHashString:
needToGenerate = True
except:
needToGenerate = True
else:
initBytecodesReadFile.close()
if not needToGenerate:
print "Nothing changed.\n"
exit(0)
genString = "Generating "
if bytecodeHFilename:
bytecodeHFile = openOrExit(bytecodeHFilename, "wb")
genString = genString + "{0} ".format(bytecodeHFilename)
if initASMFileName:
initBytecodesFile = openOrExit(initASMFileName, "wb")
if bytecodeHFilename:
genString = genString + "and "
genString = genString + "{0} ".format(initASMFileName)
print "{0}from {1}\n".format(genString, bytecodeJSONFile)
try:
bytecodeSections = json.load(bytecodeFile, encoding = "utf-8")
except:
print "Unexpected error parsing {0}: {1}".format(bytecodeJSONFile, sys.exc_info())
if bytecodeHFilename:
bytecodeHFile.write(hFileHashString)
bytecodeHFile.write(cCopyrightMsg % bytecodeJSONFile)
bytecodeHFile.write("#ifndef Bytecodes_h\n")
bytecodeHFile.write("#define Bytecodes_h\n\n")
if initASMFileName:
initBytecodesFile.write(asmFileHashString)
initBytecodesFile.write(asmCopyrightMsg % bytecodeJSONFile)
initASMBytecodeNum = 0
for section in bytecodeSections:
if bytecodeHFilename and section['emitInHFile']:
bytecodeHFile.write("#define FOR_EACH_{0}_ID(macro) \\\n".format(section["macroNameComponent"]))
firstMacro = True
defaultLength = 1
if "defaultLength" in section:
defaultLength = section["defaultLength"]
bytecodeNum = 0
for bytecode in section["bytecodes"]:
if not firstMacro:
bytecodeHFile.write(" \\\n")
length = defaultLength
if "length" in bytecode:
length = bytecode["length"]
bytecodeHFile.write(" macro({0}, {1})".format(bytecode["name"], length))
firstMacro = False
bytecodeNum = bytecodeNum + 1
bytecodeHFile.write("\n\n")
bytecodeHFile.write("#define NUMBER_OF_{0}_IDS {1}\n\n".format(section["macroNameComponent"], bytecodeNum))
if initASMFileName and section['emitInASMFile']:
prefix = ""
if "asmPrefix" in section:
prefix = section["asmPrefix"]
for bytecode in section["bytecodes"]:
initBytecodesFile.write("setEntryAddress({0}, _{1}{2})\n".format(initASMBytecodeNum, prefix, bytecode["name"]))
initASMBytecodeNum = initASMBytecodeNum + 1
if bytecodeHFilename:
bytecodeHFile.write("#endif // Bytecodes_h\n")
bytecodeHFile.close()
if initASMFileName:
initBytecodesFile.close()
bytecodeFile.close()
exit(0)
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