The Parle\RParser class

(PECL parle >= 0.7.0)

Introduction

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

Class synopsis

class Parle\RParser {
/* 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;
/* Properties */
public int $action = 0;
public int $reduceId = 0;
/* Methods */
public advance(): void
public build(): void
public consume(string $data, Parle\RLexer $rlexer): 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\RLexer $lexer): bool
}

Predefined Constants

Parle\RParser::ACTION_ERROR

Parle\RParser::ACTION_SHIFT

Parle\RParser::ACTION_REDUCE

Parle\RParser::ACTION_GOTO

Parle\RParser::ACTION_ACCEPT

Parle\RParser::ERROR_SYNTAX

Parle\RParser::ERROR_NON_ASSOCIATIVE

Parle\RParser::ERROR_UNKNOWN_TOKEN

Properties

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.

Table of Contents

Here you can write a comment


Please enter at least 10 characters.
Loading... Please wait.
* Pflichtangabe
There are no comments available yet.

PHP cURL Tutorial: Using cURL to Make HTTP Requests

cURL is a powerful PHP extension that allows you to communicate with different servers using various protocols, including HTTP, HTTPS, FTP, and more. ...

TheMax

Autor : TheMax
Category: PHP-Tutorials

Midjourney Tutorial - Instructions for beginners

There is an informative video about Midjourney, the tool for creating digital images using artificial intelligence, entitled "Midjourney tutorial in German - instructions for beginners" ...

Mike94

Autor : Mike94
Category: KI Tutorials

Basics of views in MySQL

Views in a MySQL database offer the option of creating a virtual table based on the result of an SQL query. This virtual table can be queried like a normal table without changing the underlying data. ...

admin

Autor : admin
Category: mySQL-Tutorials

Publish a tutorial

Share your knowledge with other developers worldwide

Share your knowledge with other developers worldwide

You are a professional in your field and want to share your knowledge, then sign up now and share it with our PHP community

learn more

Publish a tutorial