diff options
Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime/Misc/ListStack`1.cs')
-rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime/Misc/ListStack`1.cs | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/Misc/ListStack`1.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/Misc/ListStack`1.cs deleted file mode 100644 index e66adcb..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime/Misc/ListStack`1.cs +++ /dev/null @@ -1,98 +0,0 @@ -/* - * [The "BSD license"] - * Copyright (c) 2011 Terence Parr - * All rights reserved. - * - * Conversion to C#: - * Copyright (c) 2011 Sam Harwell, Pixel Mine, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -namespace Antlr.Runtime.Misc -{ - using System.Collections.Generic; - using InvalidOperationException = System.InvalidOperationException; - - public class ListStack<T> : List<T> - { - public T Peek() - { - return Peek(0); - } - - public T Peek(int depth) - { - T item; - if (!TryPeek(depth, out item)) - throw new InvalidOperationException(); - - return item; - } - - public bool TryPeek(out T item) - { - return TryPeek(0, out item); - } - - public bool TryPeek(int depth, out T item) - { - if (depth >= Count) - { - item = default(T); - return false; - } - - item = this[Count - depth - 1]; - return true; - } - - public T Pop() - { - T result; - if (!TryPop(out result)) - throw new InvalidOperationException(); - - return result; - } - - public bool TryPop(out T item) - { - if (Count == 0) - { - item = default(T); - return false; - } - - item = this[Count - 1]; - RemoveAt(Count - 1); - return true; - } - - public void Push(T item) - { - Add(item); - } - } -} |