causal_grammar.py 文件源码

def get_symbol_matches_from_parse(symbol,parse):
    matches = []
    if "symbol_type" in parse:
        if parse["symbol_type"] == symbol:
            matches.append(parse)
    if "children" in parse:
        for child in parse["children"]:
            child_matches = get_symbol_matches_from_parse(symbol,child)
            matches += child_matches
    return matches