def _parse(self, lexer):
'''Creates a new term by parsing a string.'''
p = Parser(lexer)
try:
return p.term()
except antlr.ANTLRException, exc:
raise exception.ParseError(str(exc))
def match(self, pattern, term):
'''Matches the term to a string pattern and a list of arguments.
'''
assert isinstance(pattern, basestring)
from aterm.match import Parser, Match
p = Parser(lexer.Lexer(pattern))
try:
matcher = p.term()
except antlr.ANTLRException, exc:
raise exception.ParseError(str(exc))
def make(self, pattern, *args, **kargs):
'''Creates a new term from a string pattern and a list of arguments.
First the string pattern is parsed, then the holes in
the pattern are filled with the supplied arguments.
'''
assert isinstance(pattern, basestring)
from aterm.build import Parser
p = Parser(lexer.Lexer(pattern))
try:
builder = p.term()
except antlr.ANTLRException, exc:
raise exception.ParseError(str(exc))
def handleVar(self, name):
raise exception.ParseError('variable in term')
def handleWildcard(self):
raise exception.ParseError('wildcard in term')