1 // 2 // Literal.cs 3 // 4 // Authors: 5 // Alexander Chebaturkin (chebaturkin@gmail.com) 6 // 7 // Copyright (C) 2011 Alexander Chebaturkin 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 namespace Mono.CodeContracts.Static.AST { 30 sealed class Literal : Expression { 31 public static readonly Literal Null = new Literal (null); 32 public readonly object Value; 33 Literal()34 public Literal () : base (NodeType.Literal) 35 { 36 } 37 Literal(object value)38 public Literal (object value) 39 : base (NodeType.Literal) 40 { 41 this.Value = value; 42 } 43 Literal(object value, TypeNode type)44 public Literal (object value, TypeNode type) : base (NodeType.Literal) 45 { 46 this.Value = value; 47 this.type = type; 48 } 49 ToString()50 public override string ToString () 51 { 52 return string.Format ("Literal({0})", this.Value ?? "<null>"); 53 } 54 } 55 } 56