From 7e22487624a699a0d8e530125eda7adda2c48c78 Mon Sep 17 00:00:00 2001
From: James Roseborough <james.roseborough@luaj.org>
Date: Wed, 14 Nov 2007 17:52:39 +0000
Subject: [PATCH] Bullet-proof dynamic stack size

---
 src/core/org/luaj/vm/LuaState.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/core/org/luaj/vm/LuaState.java b/src/core/org/luaj/vm/LuaState.java
index 5ae783f9..b756275e 100644
--- a/src/core/org/luaj/vm/LuaState.java
+++ b/src/core/org/luaj/vm/LuaState.java
@@ -1622,7 +1622,14 @@ public class LuaState extends Lua {
 	public void pushlvalue(LValue value) {
 		if ( value == null )
 			throw new java.lang.IllegalArgumentException("stack values cannot be null");
-		stack[top++] = value;
+		try {
+			stack[top] = value;
+		} catch ( java.lang.RuntimeException arrayIndexOutOfBounds ) {
+			checkstack( LUA_MINSTACK );
+			stack[top] = value;
+		} finally {
+			++top;
+		}
 	}
 
 	/**