def processor(state): state = self(state) if isParseError(state): return state newstate = other(state) if isParseError(newstate): return newstate return setParseSuccessTree(newstate, filter(lambda x: x is not None, [parseSuccessTree(state), parseSuccessTree(newstate)])) # filter out 'skipped' input
def processor(state): state = self(state) if isParseError(state): return state newstate = other(state) if isParseError(newstate): return newstate return setParseSuccessTree( newstate, filter(lambda x: x is not None, [parseSuccessTree(state), parseSuccessTree(newstate) ])) # filter out 'skipped' input
def processor(state): tree = [] for pr in parsers: state = pr(state) if isParseError(state): return state tree.append(parseSuccessTree(state)) return setParseSuccessTree(state, tree)
def processor(state): tree = [] while True: newstate = parser(state) if isParseError(newstate): break tree.append(parseSuccessTree(newstate)) state = newstate return setParseSuccessTree(state, tree) if not inputConsumed(newstate, state) else newstate
def processor(state): tree = [] while True: newstate = parser(state) if isParseError(newstate): break tree.append(parseSuccessTree(newstate)) state = newstate return setParseSuccessTree( state, tree) if not inputConsumed(newstate, state) else newstate
def processor(state): newstate = self(state) if isParseError(newstate): return newstate tree = parseSuccessTree(newstate) return f(tree)(newstate)