Traceback (most recent call last):
  File "C:/Users/Pavel/git/ffi/ffi.py", line 2, in <module>
    from compiler import run
  File "C:\Users\Pavel\git\ffi\compiler.py", line 3, in <module>
    from parser import parse_code, parse_integer
ImportError: cannot import name 'parse_code'

>>> dir(parser)
['ParserError', 'STType', '__copyright__', '__doc__', '__loader__', '__name__', '__package__', '__spec__', '__version__', '_pickler', 'compilest', 'expr', 'isexpr', 'issuite', 'sequence2st', 'st2list', 'st2tuple', 'suite', 'tuple2st']

Traceback (most recent call last):
  File "C:/Users/Pavel/git/ffi/ffi.py", line 74, in <module>
    ffi()
  File "C:/Users/Pavel/git/ffi/ffi.py", line 70, in ffi
    print_exp = args.print_exp,
  File "C:\Users\Pavel\git\ffi\lib\compiler.py", line 64, in run
    '-O2', '-shared', '-fPIC', '-o', so_file.name, c_file.name
  File "C:\Program Files\Python36\lib\subprocess.py", line 267, in call
    with Popen(*popenargs, **kwargs) as p:
  File "C:\Program Files\Python36\lib\subprocess.py", line 707, in __init__

cc1.exe: fatal error: C:\Users\Pavel\AppData\Local\Temp\tmped8bo9oy.c: Permission denied
compilation terminated.

C:\Users\Pavel\AppData\Local\Temp\tmp2lezhn4b.c: In function 'run':
C:\Users\Pavel\AppData\Local\Temp\tmp2lezhn4b.c:20:9: error: 'SIGPIPE' undeclared (first use in this function); did you mean 'SIGFPE'?
  signal(SIGPIPE, quit);
         ^~~~~~~
         SIGFPE
C:\Users\Pavel\AppData\Local\Temp\tmp2lezhn4b.c:20:9: note: each undeclared identifier is reported only once for each function it appears in
C:\Users\Pavel\AppData\Local\Temp\tmp2lezhn4b.c:39:9: error: ISO C does not support the 'I64' ms_printf length modifier [-Werror=format=]

C:\Users\Pavel\AppData\Local\Temp\tmp9f3vn0kl.c: In function 'run':
C:\Users\Pavel\AppData\Local\Temp\tmp9f3vn0kl.c:20:9: error: 'SIGPIPE' undeclared (first use in this function); did you mean 'SIGFPE'?
  signal(SIGPIPE, quit);
         ^~~~~~~
         SIGFPE
C:\Users\Pavel\AppData\Local\Temp\tmp9f3vn0kl.c:20:9: note: each undeclared identifier is reported only once for each function it appears in

Traceback (most recent call last):
  File "C:/users/Pavel/git/ffi/ffi.py", line 74, in <module>
    ffi()
  File "C:/users/Pavel/git/ffi/ffi.py", line 70, in ffi
    print_exp = args.print_exp,
  File "C:\users\Pavel\git\ffi\lib\compiler.py", line 72, in run
    remove(so_file.name)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\Pavel\\AppData\\Local\\Temp\\tmpjwb6_dq4.so'

Warning: Could not remove temporary file 'C:\\Users\\Pavel\\AppData\\Local\\Temp\\tmp9zgq7_81.so'.
42

$ ./ffi code -e3 '2^14 * 3^28'
Traceback (most recent call last):
  File "C:\users\Pavel\git\ffi\lib\compiler.py", line 75, in run
    remove(so_file.name)
PermissionError: [WinError 5] Access is denied: 'C:\\Users\\Pavel\\AppData\\Local\\Temp\\tmp7vppoeyr.so'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:/users/Pavel/git/ffi/ffi.py", line 74, in <module>
    ffi()
  File "C:/users/Pavel/git/ffi/ffi.py", line 70, in ffi
    print_exp = args.print_exp,

$ ./ffi code -e3 '2^14 * 3^28'
42