jrre.api.java.lang
Class SymbolTable

java.lang.Object
  |
  +--java.util.AbstractMap
        |
        +--java.util.HashMap
              |
              +--jrre.api.java.lang.SymbolTable

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

public class SymbolTable

extends java.util.HashMap

Author:

Christopher Ellsworth (Chris@chrisellsworth.com)

, Clerance Alston (massclax@hotmail.com)

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Constructor Summary

SymbolTable()
Default constructor for the symbol table.

SymbolTable(int capacity)
Constructs the symbol table with the maximum number of entries it will need to have.

Method Summary

void	addSymbol(int constantPoolIndex, CPInfo entry) Adds a symbol to the table based on its index in the constant pool.
int	getSize()
CPInfo	getSymbol(int constantPoolIndex) Gets a symbol from the table based its key into the constant pool.
java.lang.String	toString()

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

SymbolTable

public SymbolTable()

Default constructor for the symbol table.

SymbolTable

public SymbolTable(int capacity)

Constructs the symbol table with the maximum number of entries it will need to have.

Parameters:

capacity - The capacity to initialise it with.

Method Detail

addSymbol

public void addSymbol(int constantPoolIndex,
                      CPInfo entry)

Adds a symbol to the table based on its index in the constant pool.

Parameters:

constantPoolIndex - The index in the constant pool associated with the entry.

entry - The entry in the constant pool to add to the symbol table.

getSymbol

public CPInfo getSymbol(int constantPoolIndex)

Gets a symbol from the table based its key into the constant pool.

Parameters:

constantPoolIndex - The index in the constant pool associated with the desired entry.

Returns:

The entry in the constant pool associated with the constant pool index specified.

getSize

public int getSize()

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractMap