org.apache.shardingsphere.core.parse.old.lexer

Class Lexer

java.lang.Object

org.apache.shardingsphere.core.parse.old.lexer.Lexer

Direct Known Subclasses:

H2Lexer, MySQLLexer, OracleLexer, PostgreSQLLexer, SQLServerLexer

public class Lexer
extends Object

Lexical analysis.

Author:

zhangliang

Constructor Summary

Constructors

Constructor and Description
Lexer()

Method Summary

Modifier and Type	Method and Description
protected char	getCurrentChar(int offset)
protected boolean	isCharsBegin()
protected boolean	isCommentBegin()
protected boolean	isHintBegin()
protected boolean	isIdentifierBegin(char ch)
protected boolean	isSupportNChars()
protected boolean	isVariableBegin()
void	nextToken() Analyse next token.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Lexer

public Lexer()

Method Detail

nextToken

public final void nextToken()

Analyse next token.

isHintBegin

protected boolean isHintBegin()

isCommentBegin

protected boolean isCommentBegin()

isVariableBegin

protected boolean isVariableBegin()

isSupportNChars

protected boolean isSupportNChars()

isIdentifierBegin

protected boolean isIdentifierBegin(char ch)

isCharsBegin

protected boolean isCharsBegin()

getCurrentChar

protected final char getCurrentChar(int offset)