public virtual ValueReference Evaluate(EvaluationContext ctx, string exp, object expectedType)
{
foreach (ValueReference var in ctx.Adapter.GetLocalVariables(ctx))
{
if (var.Name == exp)
{
return(var);
}
}
foreach (ValueReference var in ctx.Adapter.GetParameters(ctx))
{
if (var.Name == exp)
{
return(var);
}
}
ValueReference thisVar = ctx.Adapter.GetThisReference(ctx);
if (thisVar != null)
{
if (thisVar.Name == exp)
{
return(thisVar);
}
foreach (ValueReference cv in thisVar.GetChildReferences(ctx.Options))
{
if (cv.Name == exp)
{
return(cv);
}
}
}
throw new EvaluatorException("Invalid Expression: '{0}'", exp);
}
public virtual CompletionData GetExpressionCompletionData(EvaluationContext ctx, string exp)
{
int i;
if (exp.Length == 0)
{
return(null);
}
if (exp [exp.Length - 1] == '.')
{
exp = exp.Substring(0, exp.Length - 1);
i = 0;
while (i < exp.Length)
{
ValueReference vr = null;
try {
vr = ctx.Evaluator.Evaluate(ctx, exp.Substring(i), null);
if (vr != null)
{
CompletionData data = new CompletionData();
foreach (ValueReference cv in vr.GetChildReferences(ctx.Options))
{
data.Items.Add(new CompletionItem(cv.Name, cv.Flags));
}
data.ExpressionLenght = 0;
return(data);
}
} catch (Exception ex) {
Console.WriteLine(ex);
}
i++;
}
return(null);
}
i = exp.Length - 1;
bool lastWastLetter = false;
while (i >= 0)
{
char c = exp [i--];
if (!char.IsLetterOrDigit(c) && c != '_')
{
break;
}
lastWastLetter = !char.IsDigit(c);
}
if (lastWastLetter)
{
string partialWord = exp.Substring(i + 1);
CompletionData data = new CompletionData();
data.ExpressionLenght = partialWord.Length;
// Local variables
foreach (ValueReference vc in GetLocalVariables(ctx))
{
if (vc.Name.StartsWith(partialWord))
{
data.Items.Add(new CompletionItem(vc.Name, vc.Flags));
}
}
// Parameters
foreach (ValueReference vc in GetParameters(ctx))
{
if (vc.Name.StartsWith(partialWord))
{
data.Items.Add(new CompletionItem(vc.Name, vc.Flags));
}
}
// Members
ValueReference thisobj = GetThisReference(ctx);
if (thisobj != null)
{
data.Items.Add(new CompletionItem("this", ObjectValueFlags.Field | ObjectValueFlags.ReadOnly));
}
object type = GetEnclosingType(ctx);
foreach (ValueReference vc in GetMembers(ctx, null, type, thisobj != null ? thisobj.Value : null))
{
if (vc.Name.StartsWith(partialWord))
{
data.Items.Add(new CompletionItem(vc.Name, vc.Flags));
}
}
if (data.Items.Count > 0)
{
return(data);
}
}
return(null);
}
protected virtual CompletionData GetMemberCompletionData(EvaluationContext ctx, ValueReference vr)
{
var data = new CompletionData ();
foreach (ValueReference cv in vr.GetChildReferences (ctx.Options))
data.Items.Add (new CompletionItem (cv.Name, cv.Flags));
data.ExpressionLength = 0;
return data;
}
