def p_constant_2(self, p):
""" constant : EMPTY
| WALL
| BOX
| EXIT
"""
p[0] = tree.Constant('cell', p[1], self._token_coord(p, 1))
def p_constant_5(self, p):
""" constant : UNDEF
"""
p[0] = tree.Constant('extra_bool', p[1], self._token_coord(p, 1))
def p_constant_4(self, p):
""" constant : TRUE
| FALSE
"""
p[0] = tree.Constant('bool', p[1], self._token_coord(p, 1))
def p_constant_3(self, p):
""" constant : INF
| MINUS INF
| NAN
"""
p[0] = tree.Constant('extra_int', p[1], self._token_coord(p, 1))
def p_constant_1(self, p):
""" constant : INT_CONST
"""
p[0] = tree.Constant('int', p[1], self._token_coord(p, 1))