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    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 {
    /* 定数 */
    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 function advance(): void
    public function build(): void
    public function consume(string $data, Parle\RLexer $rlexer): void
    public function dump(): void
    public function errorInfo(): Parle\ErrorInfo
    public function left(string $tok): void
    public function nonassoc(string $tok): void
    public function precedence(string $tok): void
    public function push(string $name, string $rule): int
    public function reset(int $tokenId = ?): void
    public function right(string $tok): void
    public function sigil(int $idx = ?): string
    public function sigilCount(): int
    public function sigilName(int $idx): string
    public function token(string $tok): void
    public function tokenId(string $tok): int
    public function trace(): string
    public function validate(string $data, Parle\RLexer $lexer): bool
    }

    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

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