antlr.collections.impl
Class LList

java.lang.Object
  extended byantlr.collections.impl.LList
All Implemented Interfaces:
List, Stack
public class LList
extends java.lang.Object
implements List, Stack

A Linked List Implementation (not thread-safe for simplicity) (adds to the tail) (has an enumeration)

Constructor Summary
LList()
           
 
Method Summary
 void add(java.lang.Object o)
          Add an object to the end of the list.
 void append(java.lang.Object o)
          Append an object to the end of the list.
 java.lang.Object elementAt(int i)
          Get the ith element in the list.
 java.util.Enumeration elements()
          Return an enumeration of the list elements
 int height()
          How high is the stack?
 boolean includes(java.lang.Object o)
          Answers whether or not an object is contained in the list
 int length()
          Return the length of the list.
 java.lang.Object pop()
          Pop the top element of the stack off.
 void push(java.lang.Object o)
          Push an object onto the stack.
 java.lang.Object top()
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

LList

public LList()
Method Detail

add

public void add(java.lang.Object o)
Add an object to the end of the list.

Specified by:
add in interface List
Parameters:
o - the object to add

append

public void append(java.lang.Object o)
Append an object to the end of the list.

Specified by:
append in interface List
Parameters:
o - the object to append

elementAt

public java.lang.Object elementAt(int i)
                           throws java.util.NoSuchElementException
Get the ith element in the list.

Specified by:
elementAt in interface List
Parameters:
i - the index (from 0) of the requested element.
Returns:
the object at index i NoSuchElementException is thrown if i out of range
Throws:
java.util.NoSuchElementException

elements

public java.util.Enumeration elements()
Return an enumeration of the list elements

Specified by:
elements in interface List

height

public int height()
How high is the stack?

Specified by:
height in interface Stack

includes

public boolean includes(java.lang.Object o)
Answers whether or not an object is contained in the list

Specified by:
includes in interface List
Parameters:
o - the object to test for inclusion.
Returns:
true if object is contained else false.

length

public int length()
Return the length of the list.

Specified by:
length in interface List

pop

public java.lang.Object pop()
                     throws java.util.NoSuchElementException
Pop the top element of the stack off.

Specified by:
pop in interface Stack
Returns:
the top of stack that was popped off.
Throws:
java.util.NoSuchElementException - if the stack is empty.

push

public void push(java.lang.Object o)
Push an object onto the stack.

Specified by:
push in interface Stack
Parameters:
o - the object to push

top

public java.lang.Object top()
                     throws java.util.NoSuchElementException
Specified by:
top in interface Stack
Throws:
java.util.NoSuchElementException