PerformanceTests/RexBench/OfflineAssembler/convert_asm_to_js.py

# Copyright (C) 2017 Apple Inc. All rights reserved.
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# This converts an offline assembly file into a JavaScript string.
# It adds newline escapes and properly escapes double quote (") characters.
# The input and output files are specified on the command line.
#
# Example:
#     python convert_asm_to_js.py LowLevelInterpreter.asm LowLevelInterpreter.js

import argparse
import re


headerText = """/*
 * DO NOT EDIT THIS FILE, it is autogenerated.
 */
"use strict";

"""


def convertFile(inputFile, outputFile):
    outputFile.write(headerText)
    outputFile.write("(function() {\n")
    outputFile.write("    let source = `")
    for line in inputFile:
        line = re.sub("`", "\\`", line);
        outputFile.write(line)

    outputFile.write("`;\n")
    outputFile.write("\n")
    outputFile.write("    new File(\"{fileName}\", source);\n".format(fileName=inputFile.name))
    outputFile.write("})();\n")
    outputFile.write("\n")

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("inputFile", type = argparse.FileType('r'), help="Offline Assembler input file")
    parser.add_argument("outputFile", type = argparse.FileType('w'), help="JavaScript output file")
    args = parser.parse_args()

    convertFile(args.inputFile, args.outputFile)