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view interps/lambda/lambda.py @ 12268:6bbbe2a95120 draft
<b_jonas> slashlearn euclid//Euclid is a short geeky game in which the goal is to do Euclidean compass and straightedge constructions in as few steps as possible. It runs in the browser, found at "http://www.euclidthegame.com/". It was popular among #esoteric regulars in 2016-07.
author | HackEso <hackeso@esolangs.org> |
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date | Mon, 16 Dec 2019 23:02:52 +0000 |
parents | 859f9b4339e6 |
children |
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#!/usr/bin/python import parser, tokenizer, evaluator import sys, pickle sys.setrecursionlimit(65535) # not too big, but hopefully big enough for some stuff try: line = raw_input() except EOFError: raise SystemExit # tokenize try: tokens = tokenizer.tokenize(line) except Exception, line: print "Tokenizer error:", line raise SystemExit # Get a pickled environment try: env = pickle.load(open('lambda/defs.pickle')) except: env = {} # parse try: exp, defs = parser.parse(tokens, env) except Exception, line: print "Parser error:", line raise SystemExit env.update(defs) # evaluate try: if exp != None: evaluator.eval(exp, env) except Exception, line: print "Run-time error:", line raise SystemExit # finally, save the definitions f = open('lambda/defs.pickle', 'w') pickle.dump(env, f)