def METHOD_NAME(filename):
    txt = Utils.readf(filename)
    i = 0
    buf = []
    max = len(txt)
    begin = 0
    while i < max:
        c = txt[i]
        if c == '"' or c == "'":
            buf.append(txt[begin:i])
            delim = c
            i += 1
            while i < max:
                c = txt[i]
                if c == delim:
                    break
                elif c == '\\':
                    i += 1
                i += 1
            i += 1
            begin = i
        elif c == '/':
            buf.append(txt[begin:i])
            i += 1
            if i == max:
                break
            c = txt[i]
            if c == '+':
                i += 1
                nesting = 1
                c = None
                while i < max:
                    prev = c
                    c = txt[i]
                    if prev == '/' and c == '+':
                        nesting += 1
                        c = None
                    elif prev == '+' and c == '/':
                        nesting -= 1
                        if nesting == 0:
                            break
                        c = None
                    i += 1
            elif c == '*':
                i += 1
                c = None
                while i < max:
                    prev = c
                    c = txt[i]
                    if prev == '*' and c == '/':
                        break
                    i += 1
            elif c == '/':
                i += 1
                while i < max and txt[i] != '\n':
                    i += 1
            else:
                begin = i - 1
                continue
            i += 1
            begin = i
            buf.append(' ')
        else:
            i += 1
    buf.append(txt[begin:])
    return buf