mcs/ilasm/codegen/EventDef.cs

   1 //
   2 // Mono.ILASM.EventDef
   3 //
   4 // Author(s):
   5 //  Jackson Harper (Jackson@LatitudeGeo.com)
   6 //
   7 // (C) 2003 Jackson Harper, All right reserved
   8 //
   9
  10
  11 using System;
  12 using System.Collections;
  13
  14 namespace Mono.ILASM {
  15
  16         public class EventDef : ICustomAttrTarget {
  17
  18                 private FeatureAttr attr;
  19                 private string name;
  20                 private BaseTypeRef type;
  21                 private PEAPI.Event event_def;
  22                 private bool is_resolved;
  23                 private ArrayList customattr_list;
  24
  25                 private MethodRef addon;
  26                 private MethodRef fire;
  27                 private ArrayList other_list;
  28                 private MethodRef removeon;
  29
  30                 public EventDef (FeatureAttr attr, BaseTypeRef type, string name)
  31                 {
  32                         this.attr = attr;
  33                         this.name = name;
  34                         this.type = type;
  35                         is_resolved = false;
  36                 }
  37
  38                 public void AddCustomAttribute (CustomAttr customattr)
  39                 {
  40                         if (customattr_list == null)
  41                                 customattr_list = new ArrayList ();
  42
  43                         customattr_list.Add (customattr);
  44                 }
  45
  46                 public PEAPI.Event Resolve (CodeGen code_gen, PEAPI.ClassDef classdef)
  47                 {
  48                         if (is_resolved)
  49                                 return event_def;
  50
  51                         type.Resolve (code_gen);
  52                         event_def = classdef.AddEvent (name, type.PeapiType);
  53
  54                         if ((attr & FeatureAttr.Rtspecialname) != 0)
  55                                 event_def.SetRTSpecialName ();
  56
  57                         if ((attr & FeatureAttr.Specialname) != 0)
  58                                 event_def.SetSpecialName ();
  59
  60                         if (customattr_list != null)
  61                                 foreach (CustomAttr customattr in customattr_list)
  62                                         customattr.AddTo (code_gen, event_def);
  63
  64                         is_resolved = true;
  65
  66                         return event_def;
  67                 }
  68
  69                 private PEAPI.MethodDef AsMethodDef (PEAPI.Method method, string type)
  70                 {
  71                         PEAPI.MethodDef methoddef = method as PEAPI.MethodDef;
  72                         if (methoddef == null)
  73                                 Report.Error (type + " method of event " + name + " not found");
  74                         return methoddef;
  75                 }
  76
  77                 public void Define (CodeGen code_gen, PEAPI.ClassDef classdef)
  78                 {
  79                         if (!is_resolved)
  80                                 Resolve (code_gen, classdef);
  81
  82                         if (addon != null) {
  83                                 addon.Resolve (code_gen);
  84                                 event_def.AddAddon (AsMethodDef (addon.PeapiMethod, "addon"));
  85                         }
  86
  87                         if (fire != null) {
  88                                 fire.Resolve (code_gen);
  89                                 event_def.AddFire (AsMethodDef (fire.PeapiMethod, "fire"));
  90                         }
  91
  92                         if (other_list != null) {
  93                                 foreach (MethodRef otherm in other_list) {
  94                                         otherm.Resolve (code_gen);
  95                                         event_def.AddOther (AsMethodDef (otherm.PeapiMethod, "other"));
  96                                 }
  97                         }
  98
  99                         if (removeon != null) {
 100                                 removeon.Resolve (code_gen);
 101                                 event_def.AddRemoveOn (AsMethodDef (removeon.PeapiMethod, "removeon"));
 102                         }
 103                 }
 104
 105                 public void AddAddon (MethodRef method_ref)
 106                 {
 107                         addon = method_ref;
 108                 }
 109
 110                 public void AddFire (MethodRef method_ref)
 111                 {
 112                         fire = method_ref;
 113                 }
 114
 115                 public void AddOther (MethodRef method_ref)
 116                 {
 117                         if (other_list == null)
 118                                 other_list = new ArrayList ();
 119                         other_list.Add (method_ref);
 120                 }
 121
 122                 public void AddRemoveon (MethodRef method_ref)
 123                 {
 124                         removeon = method_ref;
 125                 }
 126
 127         }
 128
 129 }
 130