PHP 8.1.0 RC 2 available for testing

The Parle\RParser class

(PECL parle >= 0.7.0)

はじめに

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

クラス概要

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;
/* プロパティ */
public int $action = 0;
public int $reduceId = 0;
/* メソッド */
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
}

定義済み定数

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

プロパティ

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.

目次

add a note add a note

User Contributed Notes

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