mcs/ilasm/codegen/ParamDef.cs

   1 //
   2 // Mono.ILASM.ParamDef
   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
  14 namespace Mono.ILASM {
  15
  16         /// <summary>
  17         ///  Definition of a parameter passed to a method
  18         /// </summary>
  19         public class ParamDef {
  20
  21                 private PEAPI.ParamAttr attr;
  22                 private string name;
  23                 private ITypeRef typeref;
  24                 private bool is_defined;
  25                 private PEAPI.Param peapi_param;
  26
  27                 public static readonly ParamDef Ellipsis = new ParamDef (new PEAPI.ParamAttr (), "ELLIPSIS", null);
  28
  29                 public ParamDef (PEAPI.ParamAttr attr, string name,
  30                                 ITypeRef typeref) {
  31                         this.attr = attr;
  32                         this.name = name;
  33                         this.typeref = typeref;
  34                         is_defined = false;
  35                 }
  36
  37                 public ITypeRef Type {
  38                         get { return typeref; }
  39                 }
  40
  41                 public string TypeName {
  42                         get { return typeref.FullName; }
  43                 }
  44
  45                 public string Name {
  46                         get { return name; }
  47                 }
  48
  49                 public PEAPI.Param PeapiParam {
  50                         get { return peapi_param; }
  51                 }
  52
  53                 public bool IsSentinel ()
  54                 {
  55                         return (typeref is SentinelTypeRef && this != Ellipsis);
  56                 }
  57
  58                 public void Define (CodeGen code_gen)
  59                 {
  60                         if (is_defined)
  61                                 return;
  62
  63                         typeref.Resolve (code_gen);
  64
  65                         peapi_param = new PEAPI.Param (attr,
  66                                         name, typeref.PeapiType);
  67
  68                         is_defined = true;
  69                 }
  70         }
  71
  72 }
  73