The Parle\Parser class
(PECL parle >= 0.5.1)
简介
Parser class. Rules can be defined on the fly. Once finalized, a Parle\Lexer instance is required to deliver the token stream.
类摘要
Parle\Parser
{
public build
(
void
) :
void
public consume
(
string $data
,
Parle\Lexer $lexer
) :
void
public dump
(
void
) :
void
public left
(
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
(
void
) :
string
public validate
(
string $data
,
Parle\Lexer $lexer
) :
bool
}
预定义常量
Parle\Parser::ACTION_ERROR-
Parle\Parser::ACTION_SHIFT-
Parle\Parser::ACTION_REDUCE-
Parle\Parser::ACTION_GOTO-
Parle\Parser::ACTION_ACCEPT-
Parle\Parser::ERROR_SYNTAX-
Parle\Parser::ERROR_NON_ASSOCIATIVE-
Parle\Parser::ERROR_UNKNOWN_TOKEN-
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.
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