print "term", args[1], "ausdruck -> ausdruck"
if args[1] == '+':
print " (", args[0], "+", args[2], "->", args[0] + args[2], ")"
return args[0] + args[2]
elif args[1] == '-':
print " (", args[0], "-", args[2], "->", args[0] + args[2], ")"
return args[0] - args[2]
def satz_action(ausdruck, fragezeichen):
print "ausdruck -> s"
print " (", ausdruck, "->", ausdruck, ")"
return ausdruck
p = RecursiveDescentParser(s, lambda t: t[0], lambda t: t[1])
p.setParseAction(s, satz_action)
p.setParseAction(zahl, zahl_action)
p.setParseAction(faktor, faktor_action)
p.setParseAction(term, term_action)
p.setParseAction(ausdruck, ausdruck_action)
# Erstellt einen einfachen Lexer
lex = makeLexer(['+','-','*','/','(',')',('ZAHL', r"[0-9]+"), (None, r"\s+")])
while True:
src = raw_input("Gib etwas ein: ")
src = src.lower()
tokens = lex(src)
print tokens
np2 = 'ort'
if verb == 'ist':
return [np2, np1]
else:
raise ValueError("Kann keinen miniprolog-Fakt erzeugen")
def vtr_action(verb):
return verb
def np_action(artikel, nomen):
return nomen
def nn_action(nomen):
return nomen
p.setParseAction(np, np_action)
p.setParseAction(nn, nn_action)
p.setParseAction(vtr, vtr_action)
p.setParseAction(s, s_action)
while True:
src = raw_input("Gib etwas ein: ")
src = src.lower()
tokens = src.split(" ")
g = p.parse(tokens)
try:
semantic = g.next()
print "Aha, ich verstehe:"
print semantic
except StopIteration:
print "Das verstehe ich leider nicht."
def extractName(semantic):
if semantic[0] == 'name':
return semantic[1]
if semantic[0] == 'pron':
if semantic[1] == 'f':
return femaleReferent
elif semantic[1] == 'm':
return maleReferent
else:
return 'ich'
p = RecursiveDescentParser(s)
p.setParseAction(name, name_action)
p.setParseAction(perspron, perspron_action)
p.setParseAction(vtr, vtr_action)
p.setParseAction(adj, adj_action)
p.setParseAction(nn, nn_action)
p.setParseAction(np, np_action)
p.setParseAction(pp, pp_action)
p.setParseAction(s, s_action)
while True:
src = raw_input("Gib etwas ein: ")
src = src.lower()
tokens = src.split(" ")
tokens.append("EOL")
g = p.parse(tokens)
