PHP 8.0.0 Released!

The Parle\Parser class

(PECL parle >= 0.5.1)

Introducere

Parser class. Rules can be defined on the fly. Once finalized, a Parle\Lexer instance is required to deliver the token stream.

Sinopsisul clasei

Parle\Parser {
/* Constants */
const int ACTION_ERROR = 0 ;
const int ACTION_SHIFT = 1 ;
const int ACTION_REDUCE = 2 ;
const int ACTION_GOTO = 3 ;
const int ACTION_ACCEPT = 4 ;
const int ERROR_SYNTAX = 0 ;
const int ERROR_NON_ASSOCIATIVE = 1 ;
const int ERROR_UNKNOWN_TOKEN = 2 ;
/* Proprietăți */
public int $action = 0 ;
public int $reduceId = 0 ;
/* Metode */
public advance ( ) : void
public build ( ) : void
public consume ( string $data , Parle\Lexer $lexer ) : void
public dump ( ) : void
public left ( string $tok ) : void
public nonassoc ( string $tok ) : void
public precedence ( string $tok ) : void
public push ( string $name , string $rule ) : int
public reset ([ int $tokenId ] ) : void
public right ( string $tok ) : void
public sigil ( int $idx ) : string
public token ( string $tok ) : void
public tokenId ( string $tok ) : int
public trace ( ) : string
public validate ( string $data , Parle\Lexer $lexer ) : bool
}

Constante predefinite

Parle\Parser::ACTION_ERROR

Parle\Parser::ACTION_SHIFT

Parle\Parser::ACTION_REDUCE

Parle\Parser::ACTION_GOTO

Parle\Parser::ACTION_ACCEPT

Parle\Parser::ERROR_SYNTAX

Parle\Parser::ERROR_NON_ASSOCIATIVE

Parle\Parser::ERROR_UNKNOWN_TOKEN

Proprietăți

action

Current parser action that matches one of the action class constants, readonly.

reduceId

Grammar rule id just processed in the reduce action. The value corresponds either to a token or to a production id. Readonly.

Cuprins

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top