def verify_ambiguity(self, mingp, minlp, minsen, duration=None):
print "==> verify grammar %s with minimiser %s \n" % \
(mingp, self._sin.minp)
self._sin.lex = Lexer.parse(open(self._sin.lp, 'r').read())
self._sin.cfg = CFG.parse(self._sin.lex, open(self._sin.gp, "r").read())
self._sin.parser = Accent.compile(self._sin.gp, self._sin.lp)
minlex = Lexer.parse(open(minlp, 'r').read())
mincfg = CFG.parse(minlex, open(mingp, 'r').read())
seq = mincfg.get_rule('root').seqs[0]
# check if the root rule of minimised cfg == root of original cfg
if (len(seq) == 1) and (str(seq[0]) == self._sin.cfg.start_rulen):
out = Accent.run(self._sin.parser, minsen)
if Accent.was_ambiguous(out):
print "** verified **"
minbend = "%sm" % self._sin.backend
if minbend in Backends.BACKENDS:
bend = Backends.BACKENDS[minbend](self._sin, mincfg, minsen)
else:
bend = Backends.WGTBACKENDS[minbend](self._sin, mincfg, minsen)
# we keep trying until we hit the subseq
while not bend.found:
bend.run(self._sin.t_depth, self._sin.wgt, duration)
print "** verified **"
def run_accent(self, sen, gp, lp):
""" build parser in td using gp+lp, and parse sentence sen."""
parser = Accent.compile(gp, lp)
ptrees = Accent.run(parser, sen)
ambi_parse = AmbiParse.parse(lp, self._sin.lex_ws, ptrees)
_gp = tempfile.mktemp('.acc', dir=self._sin.td)
_lp = tempfile.mktemp('.lex', dir=self._sin.td)
self.write_cfg_lex(ambi_parse, _gp, _lp)
return _gp, _lp, ambi_parse
def run_accent(self, sen, gp, lp, td):
""" build parser in td using gp+lp, and parse sentence sen."""
parser = Accent.compile(gp, lp)
out = Accent.run(parser, sen)
ambiparse = AmbiParse.parse(self, out)
_gp = tempfile.mktemp('.acc', dir=td)
_lp = tempfile.mktemp('.lex', dir=td)
MiniUtils.write_cfg_lex(ambiparse.min_cfg, _gp, lp, _lp)
return _gp, _lp
def run_accent(self, sen, gf, lf):
""" build parser in td using gf+lf, and parse sentence sen."""
parser = Accent.compile(gf, lf)
ptrees = Accent.run(parser, sen)
ambi_parse = AmbiParse.parse(lf, self._sin.lex_ws, ptrees, sen)
#_gp = tempfile.mktemp('.acc', dir=self._sin.td)
#_lp = tempfile.mktemp('.lex', dir=self._sin.td)
#_ambstrp = os.path.join(self._sin.td, "%s.ambs" % 'accent')
#self.write_cfg_lex(ambi_parse, _gp, _lp, _ambstrp)
return ambi_parse
