internal static MemberInfo get_member(AST left, AST right)
{
bool right_is_identifier = false;
if (left != null && right != null)
{
right_is_identifier = right is Identifier;
Type target_type = null;
string prop_name = string.Empty;
string obj = string.Empty;
if (left is Identifier && right_is_identifier)
{
obj = ((Identifier)left).name.Value;
prop_name = ((Identifier)right).name.Value;
target_type = SemanticAnalyser.map_to_ctr(obj);
}
else if (left is ICanLookupPrototype && right_is_identifier)
{
prop_name = ((Identifier)right).name.Value;
target_type = SemanticAnalyser.map_to_prototype(left);
}
if (target_type != null && prop_name != string.Empty)
{
return(Find(target_type, prop_name));
}
}
return(null);
}
internal static bool IsDeletable(Identifier left, Identifier right, out bool isCtr)
{
Type ctr = SemanticAnalyser.map_to_ctr(left.name.Value);
isCtr = ctr != null ? true : false;
if (isCtr)
{
return(SemanticAnalyser.get_member(left, right) == null);
}
Console.WriteLine("ctr = {0}, left = {1} ({2}); right = {3} ({4})",
ctr, left, left.GetType(), right, right.GetType());
return(false);
}
