The Parle\Parser class

はじめに

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

Parle\Parser

class Parle\Parser {

/* 定数 */

const int Parle\Parser::ACTION_ERROR = 0;

const int Parle\Parser::ACTION_SHIFT = 1;

const int Parle\Parser::ACTION_REDUCE = 2;

const int Parle\Parser::ACTION_GOTO = 3;

const int Parle\Parser::ACTION_ACCEPT = 4;

const int Parle\Parser::ERROR_SYNTAX = 0;

const int Parle\Parser::ERROR_NON_ASSOCIATIVE = 1;

const int Parle\Parser::ERROR_UNKNOWN_TOKEN = 2;

/* プロパティ */

public int $action = 0;

public int $reduceId = 0;

/* メソッド */

public void advance()

public void build()

public void consume(string $data, Parle\Lexer $lexer)

public void dump()

public Parle\ErrorInfo errorInfo()

public void left(string $tok)

public void nonassoc(string $tok)

public void precedence(string $tok)

public int push(string $name, string $rule)

public void reset(int $tokenId = ?)

public void right(string $tok)

public string sigil(int $idx)

public int sigilCount()

public string sigilName(int $idx)

public void token(string $tok)

public int tokenId(string $tok)

public string trace()

public bool validate(string $data, Parle\Lexer $lexer)

}

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.