2 // Permission is hereby granted, free of charge, to any person obtaining
3 // a copy of this software and associated documentation files (the
4 // "Software"), to deal in the Software without restriction, including
5 // without limitation the rights to use, copy, modify, merge, publish,
6 // distribute, sublicense, and/or sell copies of the Software, and to
7 // permit persons to whom the Software is furnished to do so, subject to
8 // the following conditions:
10 // The above copyright notice and this permission notice shall be
11 // included in all copies or substantial portions of the Software.
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 // Copyright (C) Lluis Sanchez Gual, 2004
26 using System.Reflection;
27 using System.Reflection.Emit;
29 namespace Mono.CodeGeneration
31 public class CodeNeg: CodeExpression
35 public CodeNeg (CodeExpression exp)
39 throw new InvalidOperationException ("Operator '-' cannot be applied to operand of type '" + exp.GetResultType().FullName + "'");
42 public override void Generate (ILGenerator gen)
45 gen.Emit (OpCodes.Neg);
48 public override void PrintCode (CodeWriter cp)
54 public override Type GetResultType ()
56 return exp.GetResultType();
60 public class CodeNot: CodeConditionExpression
64 public CodeNot (CodeExpression exp)
67 if (exp.GetResultType() != typeof(bool))
68 throw new InvalidOperationException ("Operator '!' cannot be applied to operand of type '" + exp.GetResultType().FullName + "'");
71 public override void Generate (ILGenerator gen)
74 gen.Emit (OpCodes.Ldc_I4_0);
75 gen.Emit (OpCodes.Ceq);
78 public override void GenerateForBranch (ILGenerator gen, Label label, bool branchCase)
80 if (exp is CodeConditionExpression) {
81 ((CodeConditionExpression)exp).GenerateForBranch (gen, label, !branchCase);
86 gen.Emit (OpCodes.Brfalse, label);
88 gen.Emit (OpCodes.Brtrue, label);
92 public override void PrintCode (CodeWriter cp)
98 public override Type GetResultType ()