private object Evaluate(SimpleNode inlineNode, IInternalContextAdapter context)
{
var values = new ArrayList();
for (var i = 0; i < inlineNode.ChildrenCount; i++)
{
var node = inlineNode.GetChild(i);
if (node.Type == ParserTreeConstants.TEXT)
{
values.Add(((ASTText)node).Text);
}
else
{
values.Add(node.Value(context));
}
}
if (values.Count == 0)
{
return(null);
}
else if (values.Count == 1)
{
return(values[0]);
}
else
{
var sb = new StringBuilder();
foreach (var value in values)
{
sb.Append(value);
}
return(sb.ToString());
}
}
/// <summary> does the housekeeping upon creating. If a dynamic type
/// it needs to make an AST for further get()/set() operations
/// Anything else is constant.
/// </summary>
private void setup()
{
switch (type)
{
case ParserTreeConstants.INTEGER_RANGE:
case ParserTreeConstants.REFERENCE:
case ParserTreeConstants.OBJECT_ARRAY:
case ParserTreeConstants.STRING_LITERAL:
case ParserTreeConstants.TEXT:
{
/*
* dynamic types, just render
*/
constant = false;
try
{
/*
* fakie : wrap in directive to get the parser to treat our args as args
* it doesn't matter that #include() can't take all these types, because we
* just want the parser to consider our arg as a Directive/VM arg rather than
* as if inline in schmoo
*/
String buff = string.Format("#include({0} ) ", callerReference);
//ByteArrayInputStream inStream = new ByteArrayInputStream( buff.getBytes() );
//UPGRADE_ISSUE: The equivalent of constructor 'java.io.BufferedReader.BufferedReader' is incompatible with the expected type in C#. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1109"'
TextReader br = new StringReader(buff);
nodeTree = runtimeServices.Parse(br, string.Format("VMProxyArg:{0}", callerReference), true);
/*
* now, our tree really is the first DirectiveArg(), and only one
*/
nodeTree = (SimpleNode)nodeTree.GetChild(0).GetChild(0);
/*
* sanity check
*/
if (nodeTree != null && nodeTree.Type != type)
{
runtimeServices.Error("VMProxyArg.setup() : programmer error : type doesn't match node type.");
}
/*
* init. We can do this as they are only references
*/
nodeTree.Init(null, runtimeServices);
}
catch (System.Exception e)
{
runtimeServices.Error(string.Format("VMProxyArg.setup() : exception {0} : {1}", callerReference, e));
}
break;
}
case ParserTreeConstants.TRUE:
{
constant = true;
staticObject = true;
break;
}
case ParserTreeConstants.FALSE:
{
constant = true;
staticObject = false;
break;
}
case ParserTreeConstants.NUMBER_LITERAL:
{
constant = true;
staticObject = Int32.Parse(callerReference);
break;
}
case ParserTreeConstants.WORD:
{
/*
* this is technically an error...
*/
runtimeServices.Error(
string.Format(
"Unsupported arg type : {0} You most likely intended to call a VM with a string literal, so enclose with ' or \" characters. (VMProxyArg.setup())",
callerReference));
constant = true;
staticObject = new String(callerReference.ToCharArray());
break;
}
default:
{
runtimeServices.Error(string.Format(" VMProxyArg.setup() : unsupported type : {0}", callerReference));
}
break;
}
}