#! /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 ] [--init_bytecodes_asm ] ") 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 ") 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)