private static GrammarItemList LoadGrammars(string assemblyPath)
{
Assembly asm = null;
try {
asm = GrammarLoader.LoadAssembly(assemblyPath);
} catch (Exception ex) {
MessageBox.Show("Failed to load assembly: " + ex.Message);
return(null);
}
var types = asm.GetTypes();
var grammars = new GrammarItemList();
foreach (Type t in types)
{
if (t.IsAbstract)
{
continue;
}
if (!t.IsSubclassOf(typeof(Grammar)))
{
continue;
}
grammars.Add(new GrammarItem(t, assemblyPath));
}
if (grammars.Count == 0)
{
MessageBox.Show("No classes derived from Irony.Grammar were found in the assembly.");
return(null);
}
return(grammars);
}