mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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230 lines
8.9 KiB
Python
230 lines
8.9 KiB
Python
#! /usr/bin/python
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# Copyright (C) 2014-2017 Apple Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This tool processes the bytecode list to create Bytecodes.h and InitBytecodes.asm
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import hashlib
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import json
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import optparse
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import os
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import re
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import sys
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cCopyrightMsg = """/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* Autogenerated from %s, do not modify.
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*/
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"""
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asmCopyrightMsg = """# Copyright (C) 2014 Apple Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Autogenerated from %s, do not modify.
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"""
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def openOrExit(path, mode):
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try:
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return open(path, mode)
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except IOError as e:
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print "I/O error opening {0}, ({1}): {2}".format(path, e.errno, e.strerror)
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exit(1)
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def hashFile(file):
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sha1 = hashlib.sha1()
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file.seek(0)
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for line in file:
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sha1.update(line)
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file.seek(0)
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return sha1.hexdigest()
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if __name__ == "__main__":
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parser = optparse.OptionParser(usage = "usage: %prog [--bytecodes_h <FILE>] [--init_bytecodes_asm <FILE>] <bytecode-json-file>")
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parser.add_option("-b", "--bytecodes_h", dest = "bytecodesHFileName", help = "generate bytecodes macro .h FILE", metavar = "FILE")
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parser.add_option("-a", "--init_bytecodes_asm", dest = "initASMFileName", help="generate ASM bytecodes init FILE", metavar = "FILE")
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(options, args) = parser.parse_args()
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if len(args) != 1:
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parser.error("missing <bytecode-json-file>")
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bytecodeJSONFile = args[0]
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bytecodeFile = openOrExit(bytecodeJSONFile, "rb")
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sha1Hash = hashFile(bytecodeFile)
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hFileHashString = "// SHA1Hash: {0}\n".format(sha1Hash)
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asmFileHashString = "# SHA1Hash: {0}\n".format(sha1Hash)
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bytecodeHFilename = options.bytecodesHFileName
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initASMFileName = options.initASMFileName
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if not bytecodeHFilename and not initASMFileName:
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parser.print_help()
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exit(0)
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needToGenerate = False
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if bytecodeHFilename:
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try:
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bytecodeHReadFile = open(bytecodeHFilename, "rb")
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hashLine = bytecodeHReadFile.readline()
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if hashLine != hFileHashString:
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needToGenerate = True
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except:
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needToGenerate = True
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else:
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bytecodeHReadFile.close()
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if initASMFileName:
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try:
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initBytecodesReadFile = open(initASMFileName, "rb")
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hashLine = initBytecodesReadFile.readline()
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if hashLine != asmFileHashString:
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needToGenerate = True
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except:
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needToGenerate = True
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else:
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initBytecodesReadFile.close()
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if not needToGenerate:
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exit(0)
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if bytecodeHFilename:
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bytecodeHFile = openOrExit(bytecodeHFilename, "wb")
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if initASMFileName:
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initBytecodesFile = openOrExit(initASMFileName, "wb")
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try:
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bytecodeSections = json.load(bytecodeFile, encoding = "utf-8")
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except:
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print "Unexpected error parsing {0}: {1}".format(bytecodeJSONFile, sys.exc_info())
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if bytecodeHFilename:
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bytecodeHFile.write(hFileHashString)
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bytecodeHFile.write(cCopyrightMsg % bytecodeJSONFile)
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bytecodeHFile.write("#pragma once\n\n")
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if initASMFileName:
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initBytecodesFile.write(asmFileHashString)
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initBytecodesFile.write(asmCopyrightMsg % bytecodeJSONFile)
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initASMBytecodeNum = 0
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for section in bytecodeSections:
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if bytecodeHFilename and section['emitInHFile']:
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bytecodeHFile.write("#define FOR_EACH_{0}_ID(macro) \\\n".format(section["macroNameComponent"]))
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firstMacro = True
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defaultLength = 1
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if "defaultLength" in section:
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defaultLength = section["defaultLength"]
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bytecodeNum = 0
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for bytecode in section["bytecodes"]:
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if not firstMacro:
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bytecodeHFile.write(" \\\n")
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length = defaultLength
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if "length" in bytecode:
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length = bytecode["length"]
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bytecodeHFile.write(" macro({0}, {1})".format(bytecode["name"], length))
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firstMacro = False
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bytecodeNum = bytecodeNum + 1
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bytecodeHFile.write("\n\n")
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bytecodeHFile.write("#define NUMBER_OF_{0}_IDS {1}\n\n".format(section["macroNameComponent"], bytecodeNum))
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if bytecodeHFilename and section['emitOpcodeIDStringValuesInHFile']:
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bytecodeNum = 0
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for bytecode in section["bytecodes"]:
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bytecodeHFile.write("#define {0}_value_string \"{1}\"\n".format(bytecode["name"], bytecodeNum))
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firstMacro = False
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bytecodeNum = bytecodeNum + 1
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bytecodeHFile.write("\n")
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if initASMFileName and section['emitInASMFile']:
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prefix = ""
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if "asmPrefix" in section:
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prefix = section["asmPrefix"]
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for bytecode in section["bytecodes"]:
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initBytecodesFile.write("setEntryAddress({0}, _{1}{2})\n".format(initASMBytecodeNum, prefix, bytecode["name"]))
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initASMBytecodeNum = initASMBytecodeNum + 1
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if bytecodeHFilename:
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bytecodeHFile.close()
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if initASMFileName:
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initBytecodesFile.close()
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bytecodeFile.close()
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exit(0)
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