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    Parle\Parser::push

    (PECL parle >= 0.5.1)

    Parle\Parser::push — Add a grammar rule

    说明

    public Parle\Parser::push(string $name, string $rule): int

    Push a grammar rule. The production id returned can be used later in the parsing process to identify the rule matched.

    参数

    name

    Rule name.

    rule

    The rule to be added. The syntax is Bison compatible.

    返回值

    Returns int representing the rule index.

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