ilasm/codegen/LdtokenInstr.cs

   1 //
   2 // Mono.ILASM.LdtokenInstr
   3 //
   4 // Author(s):
   5 //  Jackson Harper (Jackson@LatitudeGeo.com)
   6 //
   7 // (C) 2003 Jackson Harper, All rights reserved
   8 //
   9
  10
  11 using System;
  12
  13 namespace Mono.ILASM {
  14
  15         public class LdtokenInstr : IInstr {
  16
  17                 private IFieldRef field_ref;
  18                 private BaseMethodRef method_ref;
  19                 private BaseTypeRef type_ref;
  20
  21                 public LdtokenInstr (IFieldRef field_ref, Location loc)
  22                         : base (loc)
  23                 {
  24                         this.field_ref = field_ref;
  25                 }
  26
  27                 public LdtokenInstr (BaseMethodRef method_ref, Location loc)
  28                         : base (loc)
  29                 {
  30                         this.method_ref = method_ref;
  31                 }
  32
  33                 public LdtokenInstr (BaseTypeRef type_ref, Location loc)
  34                         : base (loc)
  35                 {
  36                         this.type_ref = type_ref;
  37                 }
  38
  39                 public override void Emit (CodeGen code_gen, MethodDef meth,
  40                                            PEAPI.CILInstructions cil)
  41                 {
  42                         if (field_ref != null) {
  43                                 field_ref.Resolve (code_gen);
  44                                 cil.FieldInst (PEAPI.FieldOp.ldtoken,
  45                                                 field_ref.PeapiField);
  46                         } else if (method_ref != null) {
  47                                 method_ref.Resolve (code_gen);
  48                                 cil.MethInst (PEAPI.MethodOp.ldtoken,
  49                                                 method_ref.PeapiMethod);
  50                         } else if (type_ref != null) {
  51                                 type_ref.Resolve (code_gen);
  52                                 cil.TypeInst (PEAPI.TypeOp.ldtoken,
  53                                                 type_ref.PeapiType);
  54                         }
  55                 }
  56
  57         }
  58
  59 }
  60