protected override void OnEval(out ITemplateType o)
{
var c = (CommonTree) T.Children[0];
switch (c.Type)
{
case 0:
{
Errors.ErrorParse((CommonErrorNode) c);
o = null;
break;
}
case TemplateLexer.MPass:
case TemplateLexer.EPass:
{
o = EvalPassThrough(c);
if (c.Type == TemplateLexer.MPass)
{
string obj;
if (!o.TryConvert(out obj))
{
Errors.ErrorMacrosOnlyAcceptStrings(c.Text);
return;
}
var i = new Interpreter(obj);
var result = i.Apply(S);
Errors.AddRange(result.Errors);
o = Errors.ContainsError()
? StringType.Empty()
: StringType.New(result.Output);
}
break;
}
default:
{
o = StringType.Empty();
break;
}
}
}
public static int UnwrapBooleanType(ITemplateType operand)
{
if (operand == null)
return 0;
bool flag;
if (!operand.TryConvert(out flag))
{
return 0;
}
return flag ? 1 : 0;
}
private ITemplateType EvalMacro(ITemplateType source)
{
if (source == null) return StringType.Empty();
string obj;
if (!source.TryConvert(out obj))
{
_errors.ErrorMacrosOnlyAcceptStrings(source.UnderlyingType, string.Empty);
return StringType.Empty();
}
var i = new Interpreter.Interpreter(obj, Cache);
var result = i.Apply(_state);
_errors.AddRange(result.Errors);
return StringType.New(result.Output);
}