Replaced custom rename_symbol script with standard rename_sym script

tools/python/rename_symbol.py

@@ -1,48 +0,0 @@
-import sys
-import re
-
-from file_util import FileUtil
-
-ASM_DIR = './asm'
-SYMBOL_MIN_LENGTH = 4
-SYMBOLS_TEXT_FILENAME = 'undefined_syms.txt'
-
-def main():
-    if len(sys.argv) != 3:
-        show_help()
-        return
-    old_symbol = sys.argv[1]
-    new_symbol = sys.argv[2]
-    if len(old_symbol) < SYMBOL_MIN_LENGTH or len(new_symbol) < SYMBOL_MIN_LENGTH:
-        show_help()
-        return
-    replace_symbol(old_symbol, new_symbol)
-
-def show_help():
-    print("Usage: ./rename_symbol <Old Symbol> <New Symbol>")
-    print("The symbols must be at-least {0} characters long.".format(SYMBOL_MIN_LENGTH))
-    
-def get_regex(symbol):
-    return r'(?<=[^_0-9A-Za-z])' + symbol + r'(?=[^_0-9A-Za-z])'
-    
-def replace_symbol(old, new):
-    replaceRegex = get_regex(old)
-    
-    # Replace symbol in undefined_syms.txt
-    undefined_symbols = FileUtil.get_text_from_file(SYMBOLS_TEXT_FILENAME)
-    undefined_symbols = re.sub(replaceRegex, new, undefined_symbols)
-    FileUtil.write_text_to_file(SYMBOLS_TEXT_FILENAME, undefined_symbols)
-    
-    # Replace symbol in .s files in the ./asm directory
-    asmFilenames = FileUtil.get_filenames_from_directory(ASM_DIR, ('.s',))
-    for asmFilename in asmFilenames:
-        asm = FileUtil.get_text_from_file(ASM_DIR + '/' + asmFilename)
-        asm = re.sub(replaceRegex, new, asm)
-        FileUtil.write_text_to_file(ASM_DIR + '/' + asmFilename, asm)
-    
-    print('Successfully replaced symbol "' + old + '" with "' + new + '"')
-    
-    
-##################################################################################
-
-main()