private static dynamic InstanceEval(object self, string eval, NovaScope scope)
{
if (!(self is NovaInstance instance))
{
return(null);
}
var xexpression = string.Format("{0};", eval);
var res = NovaParser.Parse(xexpression);
Expression block;
if (res != null)
{
scope["self"] = scope["super"] = instance;
scope["<nova_context_invokemember>"] = true;
string selfName;
var selfScope = scope.SearchForObject(instance, out selfName);
if (selfScope != null && selfName != null)
{
scope["<nova_context_selfscope>"] = selfScope;
scope["<nova_context_selfname>"] = selfName;
}
block = NovaExpression.NovaBlock(res);
// We want eval'd expressions to execute in the current scope, not its own child scopes. This ensures assignment evals work properly.
((BlockExpression)block).Scope = scope;
((BlockExpression)block).SetChildrenScopes(scope);
}
else
{
return(null);
}
var val = CompilerServices.CreateLambdaForExpression(block)();
return(val);
}
private static dynamic Eval(string eval, NovaScope scope)
{
var xexpression = string.Format("{0};", eval);
var res = NovaParser.Parse(xexpression);
Expression block;
if (res != null)
{
block = NovaExpression.NovaBlock(res);
// We want eval'd expressions to execute in the current scope, not its own child scopes. This ensures assignment evals work properly.
((BlockExpression)block).Scope = scope;
((BlockExpression)block).SetChildrenScopes(scope);
}
else
{
return(null);
}
var val = CompilerServices.CreateLambdaForExpression(block)();
return(val);
}
