private DekiScriptExpressionEvaluationState(DekiScriptEnv env, DekiScriptRuntime runtime, XmlNamespaceManager namespaces, DekiScriptOutputBuffer buffer, SharedState sharedState)
{
this.Env = env;
this.Namespaces = namespaces;
this.Buffer = buffer;
this.Runtime = runtime;
_sharedState = sharedState;
}
//--- Constructor ---
public DekiScriptExpressionEvaluationState(DekiScriptEvalMode mode, DekiScriptEnv env, DekiScriptRuntime runtime, TimeSpan evaluationTimeout, int maxOutputBufferSize)
{
this.Env = env;
this.Namespaces = new XmlNamespaceManager(XDoc.XmlNameTable);
this.Buffer = new DekiScriptOutputBuffer(maxOutputBufferSize);
this.Runtime = runtime;
_sharedState = new SharedState();
_sharedState.Safe = (mode == DekiScriptEvalMode.EvaluateSafeMode);
if (evaluationTimeout == TimeSpan.MaxValue)
{
return;
}
_sharedState.EvaluationTimeout = evaluationTimeout;
_sharedState.EvaluationTimer = Stopwatch.StartNew();
}
public DekiScriptExpression Visit(DekiScriptSequence expr, DekiScriptExpressionEvaluationState state)
{
return(expr);
#if false
var mode = state.Mode;
var env = state.Env;
if (expr.Kind != DekiScriptSequence.ScopeKind.None)
{
env = env.NewLocalScope();
}
bool safe = env.IsSafeMode;
// loop over all expressions and accumulate as many as possible
var accumulator = new DekiScriptOutputBuffer();
List <DekiScriptExpression> list = new List <DekiScriptExpression>(expr.List.Length);
foreach (DekiScriptExpression expression in expr.List)
{
DekiScriptExpression value = expression.VisitWith(this, new DekiScriptExpressionEvaluationState(mode, env));
// check if we can continue to accumulate the values
if ((accumulator != null) && value is DekiScriptLiteral)
{
accumulator.Append((DekiScriptLiteral)value);
}
else
{
// check if the accumulator contains a value to add to the list
if (accumulator != null)
{
list.Add(accumulator.GetResult(safe));
accumulator = null;
}
// check if value is worthile keeping
if (!(value is DekiScriptNil))
{
list.Add(value);
}
}
}
if (accumulator != null)
{
return(accumulator.GetResult(safe));
}
return(DekiScriptSequence.New(expr.Kind, list.ToArray()));
#endif
}
