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    The Parle\RParser class

    (PECL parle >= 0.7.0)

    简介

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

    类摘要

    class Parle\RParser {
    /* 常量 */
    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;
    /* 属性 */
    public int $action = 0;
    public int $reduceId = 0;
    /* 方法 */
    public advance(): void
    public build(): void
    public consume(string $data, Parle\RLexer $rlexer): void
    public dump(): void
    public errorInfo(): Parle\ErrorInfo
    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 sigilCount(): int
    public sigilName(int $idx): string
    public token(string $tok): void
    public tokenId(string $tok): int
    public trace(): string
    public validate(string $data, Parle\RLexer $lexer): bool
    }

    属性

    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.

    目录

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