def ntd(x, d):
nt = BGF.Nonterminal()
nt.setName(x)
w = d()
w.setExpr(BGF.Expression(nt))
return BGF.Expression(w)
#!/usr/local/bin/python
# -*- coding: utf-8 -*-
import elementtree.ElementTree as ET
import os, sys
sys.path.append(os.getcwd().split('slps')[0] + 'slps/shared/python')
import BGF
if __name__ == "__main__":
g = BGF.Grammar()
g.addRoot('foo')
p = BGF.Production()
p.setNT('foo')
t = BGF.Terminal()
t.setName('bar')
p.setExpr(BGF.Expression(t))
g.addProd(p)
ET.ElementTree(g.getXml()).write('baby.bgf')
def ntd(x, d):
nt = BGF.Nonterminal()
nt.setName(x)
w = d()
w.setExpr(BGF.Expression(nt))
return BGF.Expression(w)
if __name__ == "__main__":
g = BGF.Grammar()
prod = 400
term = 150
for i in range(0, prod):
p = BGF.Production()
p.setNT('nt' + str(i))
p.setExpr(BGF.Expression(singles[i % 3]))
g.addProd(p)
p = BGF.Production()
p.setNT('nt' + str(i))
a = ntd('nt' + str((i + 1) % prod), BGF.Plus)
b = ntd('nt' + str((i + 2) % prod), BGF.Star)
c = ntd('nt' + str((i + 3) % prod), BGF.Optional)
bc = BGF.Choice()
bc.add(b)
bc.add(c)
abc = BGF.Sequence()
abc.add(a)
abc.add(BGF.Expression(bc))
d = BGF.Terminal()
d.setName('t' + str(i % term))
abc.add(BGF.Expression(d))
