causal_grammar.py 文件源码

def parse_can_jump_from(parse,prev_parse):
    # "timer" -> "jump"
    timer = get_symbol_matches_from_parse("timer",prev_parse)
    jump = get_symbol_matches_from_parse("jump",prev_parse)
    if timer and jump and timer["alternate"] == parse["symbol"] and timer["symbol"] == jump["symbol"]:
        return True
    return False