0006920: .NET error thrown when a list variable is passed in [ ] to llParticleSystem().

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Date Submitted

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0006920

opensim

[REGION] Scripting Engine

public

2014-01-08 14:59

Reporter

kcozens

Assigned To

Priority

normal

Severity

minor

Reproducibility

always

Status

new

Resolution

open

Platform

OS Version

Product Version

master (dev code)

Target Version

Fixed in Version

Summary

0006920: .NET error thrown when a list variable is passed in [ ] to llParticleSystem().

Description

If you call llParticleSystem() with a list that contains a list variable you will see a .NET error in the in-world script error dialog box while the OpenSim console window for the region where the script was running shows an unhandled .NET error.

Steps To Reproduce

#Put the following script in a prim and touch the prim to see the error.

list rules = [];

default
{
    touch_start(integer num_detected)
    {
        llParticleSystem([ rules ]);
    }
}

Additional Information

This problem exists in 0.7.6-post-fixes and in git master.

The error shown in in-world is:
    Runtime error: (6): LSLInteger expected but list given

The .NET message on the console is:
17:52:24 - [SCRIPT INSTANCE]: Runtime error in script New Script, part Linkset test object - 5 coloured prims 0e44bf17-dcee-4a1f-bb23-d99a1ac5f5cf at <217.8448, 158.781, 21.02292> in Welcome Area, displayed error Runtime error:\n(6): LSLInteger expected but list given, actual exception System.InvalidCastException: LSLInteger expected but list given
  at OpenSim.Region.ScriptEngine.Shared.LSL_Types+list.GetLSLIntegerItem (Int32 itemIndex) [0x0008f] in /home/kcozens/Projects/OpenSimulator/opensim-master/OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs:650
  at OpenSim.Region.ScriptEngine.Shared.Api.LSL_Api.SetParticleSystem (OpenSim.Region.Framework.Scenes.SceneObjectPart part, OpenSim.Region.ScriptEngine.Shared.list rules) [0x00041] in /home/kcozens/Projects/OpenSimulator/opensim-master/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs:6317
  at OpenSim.Region.ScriptEngine.Shared.Api.LSL_Api.llParticleSystem (OpenSim.Region.ScriptEngine.Shared.list rules) [0x0000c] in /home/kcozens/Projects/OpenSimulator/opensim-master/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs:6296
  at OpenSim.Region.ScriptEngine.Shared.ScriptBase.ScriptBaseClass.llParticleSystem (OpenSim.Region.ScriptEngine.Shared.list rules) [0x00000] in /home/kcozens/Projects/OpenSimulator/opensim-master/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs:1209
  at SecondLife.Script.default_event_touch_start (LSLInteger num_detected) [0x00000] in /tmp/37c0f595/27638ca6.0.cs:13
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0

The script shows an incorrect usage of the LSL function call and should point out the error instead of throwing a .NET exception.

Issue History
Date Modified	Username	Field	Change
2014-01-08 14:59	kcozens	New Issue

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