//-------------------------------------------------------------------------------------------------
//Here we determine which method is going to automatically be invoked when compilation ends with errors
void AddCompilationFailedHandler()
{
CSScriptEngine engine = new CSScriptEngine();
engine.AddOnCompilationFailedHandler(OnCompilationFailedAction);
engine.CompileCode("This will result in error");
engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
}
//-------------------------------------------------------------------------------------------------
//add using directives to CSScriptEngine, to control what is exposed to dynamic code
void AddUsings()
{
CSScriptEngine engine = new CSScriptEngine();
engine.AddOnCompilationFailedHandler(OnCompilationFailedAction);
//There's no usings right now in system, so nothing, apart from basic types is accesible to dynamic code
engine.CompileCode("Debug.Log(\"This will result in an error, because Debug is a part of UnityEngine namespace\");");
//Here we add using UnityEngine to system, so everything in this namespace is accessible now
engine.AddUsings("using UnityEngine;");
engine.CompileCode("Debug.Log(\"Now compilation of this code will succeed\");").Execute();
engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
}
//-------------------------------------------------------------------------------------------------
//Removes usings from system, so it's namespace resources become inaccessible for dynamic code
void RemoveUsings()
{
CSScriptEngine engine = new CSScriptEngine();
engine.AddOnCompilationFailedHandler(OnCompilationFailedAction);
engine.AddUsings("using SomeCustomNamespace;");
engine.CompileCode("HeyPrinter hp = new HeyPrinter(); hp.PrintHey();").Execute();
engine.RemoveUsings("using SomeCustomNamespace;");
//Now this will result in error
engine.CompileCode("HeyPrinter hp = new HeyPrinter(); hp.PrintHey();");
engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
}
//-------------------------------------------------------------------------------------------------
//Remove compiled type from system, now this type is inaccessible to dynamic code
void RemoveType()
{
CSScriptEngine engine = new CSScriptEngine();
engine.AddUsings("using UnityEngine;");
engine.AddOnCompilationFailedHandler(OnCompilationFailedAction);
string typeCode = @"
public class SimpleType
{
public void PrintHey()
{
Debug.Log(""Hey!"");
}
}
";
engine.CompileType("SimpleType", typeCode);
string anotherTypeCode = @"
public class AnotherSimpleType
{
public void InvokeSimpleTypesPrintHey()
{
Debug.Log(""Greetings from AnotherSimpleType! Invoking SimpleTypes PrintHey method..."");
SimpleType sm = new SimpleType(); sm.PrintHey();
}
}
";
engine.CompileType("AnotherSimpleType", anotherTypeCode);
engine.RemoveTypes("AnotherSimpleType");
//This will cause a compilation error, beacause we removed AnotherSimpleType
engine.CompileCode(@"
AnotherSimpleType sm = new AnotherSimpleType();
");
engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
}
void OnDisable()
{
//OnDisable later then EventManager's OnApplicationQuit where It's Instance property gets nullified
//That causes null reference exception, so let's add this check to prevent that
if (EventManager.Instance != null)
{
_engine.RemoveOnCompilationSucceededHandler(OnCompilationSucceededAction);
_engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
_engineRemote.RemoveOnCompilationSucceededHandler(OnCompilationSucceededAction);
_engineRemote.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
EventManager.Instance.RemoveListener <CompilationEvent>(OnCompileButton);
EventManager.Instance.RemoveListener <ExecutionEvent>(OnExecuteButton);
EventManager.Instance.RemoveListener <CompileTypeEvent>(OnCompileAndAddTypeButton);
EventManager.Instance.RemoveListener <DeleteTypeEvent>(OnDeleteTypeButton);
}
if (Remote)
{
if (_engineRemote.RemoteDomain != null)
{
_engineRemote.Dispose();
}
}
}
void OnDisable()
{
_engine.RemoveOnCompilationFailedHandler(OnCompilationFailedAction);
_engine.RemoveOnCompilationSucceededHandler(OnCompilationSucceededAction);
}
