java-decompiler: post-import cleanup (classes moved)

1 files changed, 101 insertions, 0 deletions

diff --git a/src/org/jetbrains/java/decompiler/util/ListStack.java b/src/org/jetbrains/java/decompiler/util/ListStack.java
new file mode 100644
index 0000000..fa36a0b
--- /dev/null
+++ b/src/org/jetbrains/java/decompiler/util/ListStack.java
@@ -0,0 +1,101 @@
+/*
+ *    Fernflower - The Analytical Java Decompiler
+ *    http://www.reversed-java.com
+ *
+ *    (C) 2008 - 2010, Stiver
+ *
+ *    This software is NEITHER public domain NOR free software 
+ *    as per GNU License. See license.txt for more details.
+ *
+ *    This software is distributed WITHOUT ANY WARRANTY; without 
+ *    even the implied warranty of MERCHANTABILITY or FITNESS FOR 
+ *    A PARTICULAR PURPOSE. 
+ */
+
+package org.jetbrains.java.decompiler.util;
+
+import java.util.ArrayList;
+
+public class ListStack<T> extends ArrayList<T> {
+
+	protected int pointer = 0; 
+	
+	public ListStack(){
+		super();
+	}
+
+	public ListStack(ArrayList<T> list){
+		super(list);
+	}
+	
+	public ListStack<T> clone() {
+		ListStack<T> newstack = new ListStack<T>(this);
+		newstack.pointer = this.pointer;
+		return newstack;
+	}
+	
+	public T push(T item) {
+		this.add(item);
+		pointer++;
+		return item;
+	}
+	
+	public T pop() {
+		pointer--;
+		T o = this.get(pointer);
+		this.remove(pointer);
+		return o;
+	}
+
+	public T pop(int count) {
+		T o = null;
+		for(int i=count;i>0;i--) {
+			o = this.pop();
+		}
+		return o;
+	}
+	
+	public void remove() {
+		pointer--;
+		this.remove(pointer);
+	}
+	
+	public void removeMultiple(int count) {
+		while(count>0) {
+			pointer--;
+			this.remove(pointer);
+			count--;
+		}
+	}
+	
+	public boolean empty() {
+		return (pointer==0); 
+	}
+
+	public int getPointer() {
+		return pointer;
+	}
+	
+	public T get(int index) {
+		return super.get(index);
+	}
+
+	public T set(int index, T element) {
+		return super.set(index, element);
+	}
+	
+	public T getByOffset(int offset) {
+		return this.get(pointer+offset);
+	}
+	
+	public void insertByOffset(int offset, T item) {
+		this.add(pointer+offset, item);
+		pointer++;
+	}
+	
+	public void clear() {
+		super.clear();
+		pointer = 0;
+	}
+	
+}