public void TestEnv()
{
var global = new Env(null);
var main = new Env(global);
var tok = new Word("some_var", Tag.ID);
var id = new Id(tok, Sara.Type.Int, 0xff);
global.AddIdentifier(tok, id);
Assert.ReferenceEquals(id, main.Get(tok));
Assert.IsNull(global.Get(new Token(Tag.ID)));
}
public Env(Env prev)
{
this.SymbolTable = new Dictionary<Token, Id>();
this.Prev = prev;
}