Experiments/Attic/Rook/Castle.Rook.Compiler/AST/Exp/ConstExpression.cs

   1 // Copyright 2004-2007 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Rook.Compiler.AST
  16 {
  17         using System;
  18         using Castle.Rook.Compiler.Visitors;
  19
  20         public enum ConstExpressionType
  21         {
  22                 Undefined,
  23                 IntLiteral,
  24                 LongLiteral,
  25                 FloatLiteral,
  26                 SymbolLiteral,
  27                 StringLiteral,
  28                 CharLiteral
  29         }
  30
  31         public class ConstExpression : Expression
  32         {
  33                 private String value;
  34                 private ConstExpressionType valueType;
  35
  36                 public ConstExpression(String value, ConstExpressionType valueType)
  37                 {
  38                         this.value = value;
  39                         this.valueType = valueType;
  40                 }
  41
  42                 public string Value
  43                 {
  44                         get { return this.value; }
  45                         set { this.value = value; }
  46                 }
  47
  48                 public ConstExpressionType ValueType
  49                 {
  50                         get { return valueType; }
  51                         set { valueType = value; }
  52                 }
  53
  54                 public override bool Accept(IASTVisitor visitor)
  55                 {
  56                         visitor.VisitConstExpression( this );
  57
  58                         return true;
  59                 }
  60         }
  61 }