_ Git - BearSSL/blob - T0/TPointerBase.cs

   1 /*
   2  * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24
  25 using System;
  26 using System.Collections.Generic;
  27
  28 class TPointerBase {
  29
  30         /* obsolete
  31         internal virtual TValue Get(TValue vp)
  32         {
  33                 throw new Exception(
  34                         "cannot get values from this pointer");
  35         }
  36
  37         internal virtual void Set(TValue vp, TValue nval)
  38         {
  39                 throw new Exception(
  40                         "cannot set values to this pointer");
  41         }
  42         */
  43
  44         internal virtual bool ToBool(TValue vp)
  45         {
  46                 return true;
  47         }
  48
  49         internal virtual void Execute(T0Comp ctx, CPU cpu)
  50         {
  51                 throw new Exception("value is not an xt: " + ToString());
  52         }
  53
  54         internal virtual string ToString(TValue vp)
  55         {
  56                 return String.Format("{0}+{1}",
  57                         GetType().Name, vp.x);
  58         }
  59
  60         internal virtual bool Equals(TPointerBase tp)
  61         {
  62                 return this == tp;
  63         }
  64 }