private object MinusEqual(IScriptContext context)
{
object rez = context.Result;
nameExpr.Evaluate(context);
object rezName = context.Result;
HandleOperatorArgs handling = OnHandleOperator(this, context, "-=", rezName, rez);
if (handling.Cancel)
{
rez = handling.Result;
}
else
{
rez = minus.Evaluate(rezName, rez);
}
//if (!(rezName is EventInfo))
//{
// rez = RuntimeHost.GetBinaryOperator("-").Evaluate(rezName, rez);
//}
//else
//{
// rez = new RemoveDelegate((IInvokable)rez);
//}
nameExpr.Assign(rez, context);
return(rez);
}
public override void Evaluate(IScriptContext context)
{
name.Evaluate(context);
context.CreateScope(RuntimeHost.ScopeFactory.Create(ScopeTypes.Using, context.Scope, context.Result));
statement.Evaluate(context);
context.RemoveLocalScope();
}
private void EvaluateNamePart(IScriptContext context)
{
NamePart.Evaluate(context);
object obj = context.Result;
if (Modifiers == null)
{
context.Result = GetMemberValue(obj, Identifier);
return;
}
Type[] genericArguments = null;
foreach (ScriptAst node in Modifiers)
{
//NOTE: Generic modifier should be the first among other modifiers in the list
ScriptGenericsPostfix generic = node as ScriptGenericsPostfix;
if (generic != null)
{
if (genericArguments != null)
{
throw new ScriptException("Wrong modifiers sequence");
}
generic.Execute(context);
genericArguments = (Type[])context.Result;
continue;
}
ScriptFunctionCall functionCall = node as ScriptFunctionCall;
if (functionCall != null)
{
CallClassMethod(obj, Identifier, functionCall, genericArguments, context);
continue;
}
ScriptArrayResolution arrayResolution = node as ScriptArrayResolution;
if (arrayResolution != null)
{
GetArrayValue(GetMemberValue(obj, Identifier), arrayResolution, context);
continue;
}
}
}
