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 integer representing the rule index.