def Seq(*args):
"""exp1, exp2, ... -> match exp1 followed by exp2 followed by ..."""
# I'm always forgetting and passing strings into this function,
# so make sure the arguments are expressions
for arg in args:
assert isinstance(arg, Expression.Expression), \
"expecting an Expression, not a %s" % type(arg)
return Expression.Seq(args)
def convert_list(group_names, terms):
# This is always a sequence of terms
results = []
for term in terms:
name = term[0]
try:
func = converter_table[name]
except KeyError:
raise AssertionError, "Do not understand sre expression %s" % \
repr(name)
results.append(func(*(group_names, ) + term))
if len(results) == 1:
return results[0]
return Expression.Seq(tuple(results))
