nxu/uxnrepl.py

156 lines
3.9 KiB
Python

#!/usr/bin/python
from os import system
import re
from socket import socket, AF_INET, SOCK_STREAM
from subprocess import run, TimeoutExpired
from sys import argv, stdin, stdout
from tempfile import mkdtemp, mkstemp
server = "irc.libera.chat"
nick = b"uxnbot7"
channel = b"#uxnbot"
sandbox = None
irc = None
template = '''
|0100
( start ) %s ( end )
#05 DEI ,emit-wst/n STR
;wst print
@dump-wst
#04 DEI #01 GTH ?&next !emit-wst &next STH !dump-wst
@emit-wst
#05 DEI LIT [ &n $1 ] GTH ?&next #0a18 DEO !start-rst
&next STHr emit #2018 DEO !emit-wst
@start-rst
;rst print
@dump-rst
#05 DEI #00 GTH ?&next !emit-rst &next STHr !dump-rst
@emit-rst
#04 DEI #01 GTH ?&next #0a18 DEO #800f DEO BRK
&next emit #2018 DEO !emit-rst
@print ( addr* -> )
LDAk DUP ?{ POP POP2 JMP2r } #18 DEO INC2 !print
@emit
DUP #04 SFT ,&ch JSR
&ch #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r
@rst "rst 20 00
@wst "wst 20 00
'''
def write_rom(path, s):
f = open(path, 'w')
prog = template % s
f.write(prog)
f.close()
def execute(s, sandbox=None, timeout=2.0):
_, tmp_tal = mkstemp(suffix='.tal', prefix='uxnrepl')
_, tmp_rom = mkstemp(suffix='.rom', prefix='uxnrepl')
write_rom(tmp_tal, s)
try:
res = run(['uxnasm', tmp_tal, tmp_rom], cwd=sandbox, capture_output=True, timeout=timeout)
except TimeoutExpired:
return b'uxnasm: timed out'
if res.returncode != 0:
return res.stderr
try:
res = run(['uxncli', tmp_rom], cwd=sandbox, capture_output=True, timeout=timeout)
except TimeoutExpired:
return b'uxncli: timed out'
return res.stdout
def repl():
print('uxnrepl (ctrl-d to exit)')
while True:
stdout.write('> ')
stdout.flush()
s = stdin.readline()
if not s:
print('bye!')
break
stdout.write(execute(s).decode('utf-8'))
stdout.flush()
def send(msg):
print('>>> %r' % msg)
irc.send(msg + b'\r\n')
def recv():
msg = irc.recv(2040)
print('<<< %r' % msg)
return msg
def evaluate(msg):
output = execute(msg.decode('utf-8'), sandbox=sandbox)
lines = [s.strip() for s in output.split(b'\n')]
interesting = [s for s in lines if s and s != 'wst' and s != 'rst']
result = b' | '.join(interesting)
print('*** executing %r gave %r -> %r -> %r' % (msg, output, interesting, result))
return result
def ircbot():
global sandbox, irc
sandbox = mkdtemp(prefix='uxnrepl')
irc = socket(AF_INET, SOCK_STREAM)
irc.connect((server, 6667))
send(b"USER %s %s %s :bot for testing uxntal code" % (nick, nick, nick))
send(b"NICK %s" % nick)
#send("PRIVMSG nickserv :iNOOPE\r\n")
send(b"JOIN %s" % channel)
ping_re = re.compile(br'PING (.+)$')
chan_msg_re = re.compile(br':([^!]+)![^ ]+ PRIVMSG ([^ ]+) :' + nick + br': (.*)$')
priv_msg_re = re.compile(br':([^!]+)![^ ]+ PRIVMSG ' + nick + br' :(.*)$')
while True:
text = recv()
m = ping_re.match(text)
if m:
send(b'PONG %s' % m.group(1).strip())
continue
m = chan_msg_re.match(text)
if m and m.group(2) == channel:
user = m.group(1)
msg = m.group(3).strip()
result = evaluate(msg)
send(b'PRIVMSG %s :%s: %s' % (channel, user, result))
continue
m = priv_msg_re.match(text)
if m:
user = m.group(1)
msg = m.group(2).strip()
result = evaluate(msg)
send(b'PRIVMSG %s :%s' % (user, result))
continue
def main():
if argv[1:] == [] or argv[1:] == ["repl"]:
repl()
elif argv[1] == "bot" and len(argv) == 5:
# TODO: plug in server, nick, channel
server, nick, channel = argv[2:]
ircbot()
else:
print("usage: %s [repl]" % argv[0])
print(" %s bot <server> <nick> <channel>" % argv[0])
exit(1)
if __name__ == "__main__":
main()