mcs/class/Microsoft.JScript/Microsoft.JScript/PostOrPrefixOperator.cs

   1 //
   2 // PostOrPrefixOperator.cs:
   3 //
   4 // Author:
   5 //      Cesar Lopez Nataren (cesar@ciencias.unam.mx)
   6 //
   7 // (C) 2003, Cesar Lopez Nataren
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32
  33 namespace Microsoft.JScript {
  34
  35         public class PostOrPrefixOperator : UnaryOp {
  36
  37                 public PostOrPrefixOperator (int operatorTok)
  38                 {
  39                         throw new NotImplementedException ();
  40                 }
  41
  42                 internal PostOrPrefixOperator (AST parent, AST operand, JSToken oper)
  43                 {
  44                         this.parent = parent;
  45                         this.operand = operand;
  46                         this.oper = oper;
  47                 }
  48
  49                 public object EvaluatePostOrPrefix (ref object v)
  50                 {
  51                         throw new NotImplementedException ();
  52                 }
  53
  54                 internal override bool Resolve (IdentificationTable context)
  55                 {
  56                         if (oper == JSToken.None)
  57                                 return operand.Resolve (context);
  58                         else
  59                                 throw new NotImplementedException ();
  60                 }
  61
  62                 internal override bool Resolve (IdentificationTable context, bool no_effect)
  63                 {
  64                         if (oper == JSToken.None)
  65                                 if (operand is Exp)
  66                                         return ((Exp) operand).Resolve (context, no_effect);
  67                                 else
  68                                         return operand.Resolve (context);
  69                         else
  70                                 throw new NotImplementedException ();
  71                 }
  72
  73                 internal override void Emit (EmitContext ec)
  74                 {
  75                         if (oper == JSToken.None)
  76                                 operand.Emit (ec);
  77                         else
  78                                 throw new NotImplementedException ();
  79                 }
  80         }
  81 }