BearSSL/T0/TPointerXT.cs

74 lines
1.9 KiB
C#

/*
* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
using System;
using System.Collections.Generic;
class TPointerXT : TPointerBase {
internal string Name {
get; private set;
}
internal Word Target {
get; private set;
}
internal TPointerXT(string name)
{
this.Name = name;
this.Target = null;
}
internal TPointerXT(Word target)
{
this.Name = target.Name;
this.Target = target;
}
internal void Resolve(T0Comp ctx)
{
if (Target == null) {
Target = ctx.Lookup(Name);
}
}
internal override void Execute(T0Comp ctx, CPU cpu)
{
Resolve(ctx);
Target.Run(cpu);
}
internal override string ToString(TValue vp)
{
return String.Format("<'{0}>", Name);
}
internal override bool Equals(TPointerBase tp)
{
TPointerXT tx = tp as TPointerXT;
return tx != null && Name == tx.Name;
}
}