Module org.parboiled.core
Package org.parboiled.common

Class IntArrayStack

java.lang.Object
org.parboiled.common.IntArrayStack
public class IntArrayStack extends Object

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    IntArrayStack.UnderflowException
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    IntArrayStack()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
    Empties the stack.
    void
    getElements(int[] destArray, int destStartIndex)
    Copies all elements currently on the stack into the given array.
    boolean
    isEmpty()
    Tests if the stack is empty.
    int
    peek()
    Returns the item at the top of the stack without removing it.
    int
    pop()
    Removes the most recently inserted item from the stack.
    void
    push(int x)
    Pushes a new item onto the stack.
    int
    size()
    Returns the number of element currently on the stack.
    int[]
    toArray()
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • isEmpty

      public boolean isEmpty()
      Tests if the stack is empty.
      Returns:
      true if empty, false otherwise.

    • size

      public int size()
      Returns the number of element currently on the stack.
      Returns:
      the number of element currently on the stack

    • getElements

      public void getElements(int[] destArray, int destStartIndex)
      Copies all elements currently on the stack into the given array.
      Parameters:
      destArray - the array
      destStartIndex - the index to start copying into

    • toArray

      public int[] toArray()
      Returns:
      all elements in a new array.

    • clear

      public void clear()
      Empties the stack.

    • peek

      public int peek()
      Returns the item at the top of the stack without removing it.
      Returns:
      the most recently inserted item in the stack.
      Throws:
      IntArrayStack.UnderflowException - if the stack is empty.

    • pop

      public int pop()
      Removes the most recently inserted item from the stack.
      Returns:
      the top stack item
      Throws:
      IntArrayStack.UnderflowException - if the stack is empty.

    • push

      public void push(int x)
      Pushes a new item onto the stack.
      Parameters:
      x - the item to add.