public override object Run(Scope scope)
{
var body = (Body as BlockExpression);
body.Scope.MergeWithScope(Nova.Globals);
body.Scope.MergeWithScope(scope);
var visitor = new VariableNameVisitor();
visitor.Visit(body);
body.SetChildrenScopes(body.Scope);
var block = CompilerServices.CreateLambdaForExpression(body);
var res = block();
if (res is Symbol)
{
var symval = new BlockExpression(new List <Expression> {
new VariableExpression(res)
}, body.Scope);
res = CompilerServices.CreateLambdaForExpression(symval)();
}
else if (res is NovaInstance)
{
var so = (NovaInstance)res;
if (so is NovaBoxedInstance)
{
res = ((NovaBoxedInstance)so).BoxedObject;
}
}
else if (res is NovaNumber)
{
res = NovaNumber.Convert(res);
}
else if (res is NovaString)
{
res = (string)res;
}
else if (res is NovaArray)
{
res = ConvertElements((NovaArray)res);
}
else if (res is NovaDictionary)
{
res = ConvertElements((NovaDictionary)res);
}
body.Scope.MergeIntoScope(scope);
return(res);
}
internal static dynamic String(object rawEval, object rawScope)
{
StringBuilder @new;
var eval = rawEval as String;
var components = eval.Split(new[] { "#{" }, StringSplitOptions.None);
if (components.Count() == 1)
{
return(new NovaString(eval));
}
@new = new StringBuilder(components[0]);
for (var i = 1; i < components.Count(); i++)
{
var parts = components[i].Split(new[] { "}" }, StringSplitOptions.None);
var expression = parts[0];
var escapeString = false;
if (expression != null && expression[0] == ':')
{
escapeString = true;
expression = expression.Substring(1);
}
if (expression != null)
{
var scope = (NovaScope)rawScope;
var xexpression = string.Format("{0};", expression);
var res = NovaParser.Parse(xexpression);
Expression block;
if (res != null)
{
block = NovaExpression.NovaBlock(res);
}
else
{
return(null);
}
var myScope = new NovaScope();
var visitor = new VariableNameVisitor();
visitor.Visit(block);
visitor.VariableNames.ForEach(name => myScope[name] = scope[name]);
var val = CompilerServices.CompileExpression(block, myScope);
if (val != null)
{
string stringVal = val.ToString();
if (escapeString && val is string)
{
stringVal = string.Format("\"{0}\"", stringVal);
}
@new.Append(stringVal ?? "");
}
else
{
@new.Append(expression);
}
}
if (parts.Count() > 1)
{
@new.Append(parts[1]);
var j = 2;
while (j < parts.Count())
{
@new.Append("}");
@new.Append(parts[j++]);
}
}
}
return(new NovaString(@new.ToString()));
}
