com.googlecode.aviator.lexer

类 ExpressionLexer

java.lang.Object

com.googlecode.aviator.lexer.ExpressionLexer

public class ExpressionLexer
extends Object

Expression Lexer,scan tokens from string

作者:

dennis

构造器概要

构造器

构造器和说明
ExpressionLexer(String expression)

方法概要

方法

限定符和类型	方法和说明
int	getCurrentIndex()
static boolean	isBinaryOP(char ch)
boolean	isValidHexChar(char ch)
void	nextChar()
void	prevChar()
void	pushback(Token<?> token) Push back token
Token<?>	scan()
Token<?>	scan(boolean analyse)

从类继承的方法 java.lang.Object

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

构造器详细资料

ExpressionLexer

public ExpressionLexer(String expression)

方法详细资料

pushback

public void pushback(Token<?> token)

Push back token

参数:

token -

scan

public Token<?> scan()

nextChar

public void nextChar()

prevChar

public void prevChar()

isValidHexChar

public boolean isValidHexChar(char ch)

getCurrentIndex

public int getCurrentIndex()

scan

public Token<?> scan(boolean analyse)

isBinaryOP

public static boolean isBinaryOP(char ch)