private FunctionNode TryGetCurrentFunctionFromExpression(ReturnNode returnNode)
{
AstNode node = returnNode;
while (node != null && node.Kind != SyntaxKind.FunctionDefinitionExpression)
{
node = node.Parent;
if (node != null && node.Kind == SyntaxKind.FunctionDefinitionExpression)
{
return(node as FunctionNode);
}
}
return(null);
}
public override XzaarExpression Visit(ReturnNode returnNode)
{
if (returnNode.ReturnExpression != null)
{
var currentFunction = TryGetCurrentFunctionFromExpression(returnNode);
var t = TryGetTypeFromExpression(returnNode.ReturnExpression, currentFunction);
if (t != null)
{
Found(t);
}
if (t == null)
{
// we know that this function isnt returning void, so lets return 'object'
Found(XzaarBaseTypes.Any);
}
}
return(null);
}