Parser_state Class Reference

Internal state of the parser. More...

#include <sql_lex.h>

Inheritance diagram for Parser_state:

Public Member Functions
	Parser_state ()
bool	init (THD *thd, const char *buff, size_t length)
	Object initializer. More...
void	reset (const char *found_semicolon, size_t length)
void	add_comment ()
	Signal that the current query has a comment. More...
bool	has_comment () const
	Check whether the current query has a comment. More...

Public Attributes
Parser_input	m_input
Lex_input_stream	m_lip
Yacc_state	m_yacc
PSI_digest_locker *	m_digest_psi
	Current performance digest instrumentation. More...

Protected Member Functions
	Parser_state (int grammar_selector_token)
	Constructor for special parsers of partial SQL clauses (DD) More...

Private Attributes
bool	m_comment
	True if current query contains comments. More...

Detailed Description

Internal state of the parser.

The complete state consist of:

• input parameters that control the parser behavior
• state data used during lexical parsing,
• state data used during syntactic parsing.

Constructor & Destructor Documentation

Parser_state() [1/2]

Parser_state::Parser_state ( int  grammar_selector_token )

inlineexplicitprotected

Constructor for special parsers of partial SQL clauses (DD)

Parameters

grammar_selector_token

See Lex_input_stream::grammar_selector_token

Parser_state() [2/2]

Parser_state::Parser_state ( )

inline

Member Function Documentation

add_comment()

void Parser_state::add_comment ( )

inline

Signal that the current query has a comment.

has_comment()

bool Parser_state::has_comment ( ) const

inline

Check whether the current query has a comment.

init()

bool Parser_state::init ( THD *  thd, const char *  buff, size_t  length  )

inline

Object initializer.

Must be called before usage.

Return values

false	OK
true	Error

reset()

void Parser_state::reset ( const char *  found_semicolon, size_t  length  )

inline

Member Data Documentation

m_comment

bool Parser_state::m_comment

private

True if current query contains comments.

m_digest_psi

PSI_digest_locker* Parser_state::m_digest_psi

Current performance digest instrumentation.

m_input

Parser_input Parser_state::m_input

m_lip

Lex_input_stream Parser_state::m_lip

m_yacc

Yacc_state Parser_state::m_yacc

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The documentation for this class was generated from the following file:

• sql/sql_lex.h