From 80234b98e5dd03de08229fb5cc6dd2a42e70ec24 Mon Sep 17 00:00:00 2001
From: Tedd Hansen
Date: Sat, 25 Aug 2007 20:34:54 +0000
Subject: Removal of script that was unable to compile no longer crashes
 server. Displays script compile error messages in-world.

---
 .../DotNetEngine/Compiler/LSL/Compiler.cs          |  7 ++-
 .../ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs |  1 -
 .../ScriptEngine/DotNetEngine/ScriptManager.cs     | 51 +++++++++++++++++-----
 3 files changed, 45 insertions(+), 14 deletions(-)

(limited to 'OpenSim/Region/ScriptEngine')

diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs
index f24eb63..bdeed8f 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/Compiler.cs
@@ -93,12 +93,15 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
             // TODO: Return errors to user somehow
             if (results.Errors.Count > 0)
             {
+
+                string errtext = "";
                 foreach (CompilerError CompErr in results.Errors)
                 {
-                    Console.WriteLine("Line number " + CompErr.Line +
+                    errtext += "Line number " + CompErr.Line +
                         ", Error Number: " + CompErr.ErrorNumber +
-                        ", '" + CompErr.ErrorText + ";");
+                        ", '" + CompErr.ErrorText + "'\r\n";
                 }
+                throw new Exception(errtext);
             }
 
 
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs
index e2c039c..2395dbd 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs
@@ -131,7 +131,6 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                 if (ts.next.ToUniversalTime() < DateTime.Now.ToUniversalTime())
                 {
                     // Add it to queue
-                    //Console.WriteLine("Enqueue timer event: " + ts.next.ToUniversalTime().ToString("HH:mm:ss") + " > " + DateTime.Now.ToUniversalTime().ToString("HH:mm:ss"));
                     myScriptEngine.myEventQueueManager.AddToScriptQueue(ts.localID, ts.itemID, "timer", new object[] { });
                     // set next interval
                     
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptManager.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptManager.cs
index 29171a1..bf863b8 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptManager.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/ScriptManager.cs
@@ -245,6 +245,8 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
             // It will be up to the script itself to hook up the correct events.
             string FileName = "";
 
+            IScriptHost m_host = World.GetSceneObjectPart(localID);
+
             try
             {
 
@@ -264,7 +266,8 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
                 long before;
                 before = GC.GetTotalMemory(false);
 #endif
-                LSL_BaseClass CompiledScript = m_scriptEngine.myAppDomainManager.LoadScript(FileName);
+                LSL_BaseClass CompiledScript;
+                    CompiledScript = m_scriptEngine.myAppDomainManager.LoadScript(FileName);
 #if DEBUG
                 Console.WriteLine("Script " + itemID + " occupies {0} bytes", GC.GetTotalMemory(false) - before);
 #endif
@@ -274,7 +277,9 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
 
                 // We need to give (untrusted) assembly a private instance of BuiltIns
                 //  this private copy will contain Read-Only FullitemID so that it can bring that on to the server whenever needed.
-                LSL_BuiltIn_Commands LSLB = new LSL_BuiltIn_Commands(m_scriptEngine, World.GetSceneObjectPart(localID), localID, itemID);
+
+
+                LSL_BuiltIn_Commands LSLB = new LSL_BuiltIn_Commands(m_scriptEngine, m_host, localID, itemID);
 
                 // Start the script - giving it BuiltIns
                 CompiledScript.Start(LSLB);
@@ -286,8 +291,21 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
             }
             catch (Exception e)
             {
-                m_scriptEngine.Log.Error("ScriptEngine", "Exception loading script \"" + FileName + "\": " + e.ToString());
+                m_scriptEngine.Log.Error("ScriptEngine", "Error compiling script: " + e.ToString());
+                try
+                {
+                    // DISPLAY ERROR INWORLD
+                    string text = "Error compiling script:\r\n" + e.Message.ToString();
+                    if (text.Length > 1500)
+                        text = text.Substring(0, 1500);
+                    World.SimChat(Helpers.StringToField(text), 1, m_host.AbsolutePosition, m_host.Name, m_host.UUID);
+                }
+                catch (Exception e2)
+                {
+                    m_scriptEngine.Log.Error("ScriptEngine", "Error displaying error in-world: " + e2.ToString());
+                }
             }
+            
 
 
         }
@@ -300,14 +318,25 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
             // Stop long command on script
             m_scriptEngine.myLSLLongCmdHandler.RemoveScript(localID, itemID);
 
-            // Get AppDomain
-            AppDomain ad = GetScript(localID, itemID).Exec.GetAppDomain();
-            // Tell script not to accept new requests
-            GetScript(localID, itemID).Exec.StopScript();
-            // Remove from internal structure
-            RemoveScript(localID, itemID);
-            // Tell AppDomain that we have stopped script
-            m_scriptEngine.myAppDomainManager.StopScript(ad);
+            LSL_BaseClass LSLBC = GetScript(localID, itemID);
+            if (LSLBC == null)
+                return;
+
+            try
+            {
+                // Get AppDomain
+                AppDomain ad = LSLBC.Exec.GetAppDomain();
+                // Tell script not to accept new requests
+                GetScript(localID, itemID).Exec.StopScript();
+                // Remove from internal structure
+                RemoveScript(localID, itemID);
+                // Tell AppDomain that we have stopped script
+                m_scriptEngine.myAppDomainManager.StopScript(ad);
+            }
+            catch(Exception e)
+            {
+                Console.WriteLine("Exception stopping script localID: " + localID + " LLUID: " + itemID.ToString() + ": " + e.ToString());
+            }
         }
             private string ProcessYield(string FileName)
         {
-- 
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