protected override Completion ExecuteImpl(ExecutionEnvironment enviroment)
{
if (Try == null || Try.Body.Count == 0)
{
return(Completion.Void);
}
ExecutionEnvironment te = new ExecutionEnvironment(enviroment);
var c = Try.Execute(te);
if (c.Type == CompletionType.Exception)
{
ExecutionEnvironment ec = new ExecutionEnvironment(enviroment);
ec.RegisterValue("e", c.ReturnValue);
if (Catch != null && Catch.Body.Count > 0)
{
ExecutionEnvironment ee = new ExecutionEnvironment(ec);
c = Catch.Execute(ee);
}
else
{
c = Completion.Void;
}
if (c.Type == CompletionType.Exception)
{
return(c);
}
}
Completion fc = Completion.Void;
if (Finally != null && Finally.Body.Count > 0)
{
ExecutionEnvironment fe = new ExecutionEnvironment(enviroment);
fc = Finally.Execute(fe);
}
if (c.Type == CompletionType.Return)
{
return(c);
}
else if (c.Type == CompletionType.Value)
{
return(c);
}
if (fc.Type == CompletionType.Return)
{
return(fc);
}
return(c);
}
public Completion Execute(ExecutionEnvironment enviroment)
{
if (Try == null || Try.Body.Count == 0)
{
return(Completion.Void);
}
ExecutionEnvironment te = new ExecutionEnvironment(enviroment);
var c = Try.Execute(te);
if (c.Type == CompletionType.Exception)
{
if (Catch != null && Catch.Body.Count > 0)
{
ExecutionEnvironment ee = new ExecutionEnvironment(enviroment);
c = Catch.Execute(ee);
}
}
Completion fc = Completion.Void;
if (Finally != null && Finally.Body.Count > 0)
{
ExecutionEnvironment fe = new ExecutionEnvironment(enviroment);
fc = Finally.Execute(fe);
}
if (c.Type == CompletionType.Return)
{
return(c);
}
else if (c.Type == CompletionType.Value)
{
return(fc);
}
if (fc.Type == CompletionType.Return)
{
return(fc);
}
return(c);
}