Package com.googlecode.aviator.lexer

Class SymbolTable

java.lang.Object

com.googlecode.aviator.lexer.SymbolTable

All Implemented Interfaces:

java.io.Serializable

public class SymbolTable
extends java.lang.Object
implements java.io.Serializable

Symbol table

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static java.util.Map<java.lang.String,Variable>	RESERVED
private static long	serialVersionUID
private java.util.Map<java.lang.String,Variable>	table

Constructor Summary

Constructors

Constructor	Description
SymbolTable()

Method Summary

Modifier and Type	Method	Description
Variable	getVariable(java.lang.String name)	Get variable by name
boolean	isReserved(java.lang.String name)	Check variable has been reserved?
static boolean	isReservedKeyword(Variable v)
static boolean	isReservedKeyword(java.lang.String name)
Token<?>	reserve(Variable variable)
Variable	reserve(java.lang.String lexeme)
private static void	reserveKeyword(Variable v)
static Variable	tryReserveKeyword(Variable var)	Try to reserve key word, return the reserved variable if success, otherwise return itself.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

table

private final java.util.Map<java.lang.String,Variable> table

RESERVED

private static final java.util.Map<java.lang.String,Variable> RESERVED

Constructor Detail

SymbolTable

public SymbolTable()

Method Detail

reserveKeyword

private static void reserveKeyword(Variable v)

isReservedKeyword

public static boolean isReservedKeyword(java.lang.String name)

isReservedKeyword

public static boolean isReservedKeyword(Variable v)

isReserved

public boolean isReserved(java.lang.String name)

Check variable has been reserved?

Parameters:

name -

Returns:

tryReserveKeyword

public static Variable tryReserveKeyword(Variable var)

Try to reserve key word, return the reserved variable if success, otherwise return itself.

Parameters:

var -

Returns:

getVariable

public Variable getVariable(java.lang.String name)

Get variable by name

Parameters:

name -

Returns:

reserve

public Variable reserve(java.lang.String lexeme)

reserve

public Token<?> reserve(Variable variable)