mcs/ilasm/codegen/ExternTypeRef.cs

   1 //
   2 // Mono.ILASM.ExternTypeRef
   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 using System.Collections;
  13
  14 namespace Mono.ILASM {
  15
  16         /// <summary>
  17         /// A reference to a type in another assembly
  18         /// </summary>
  19         public class ExternTypeRef : ModifiableType, IClassRef {
  20
  21                 private PEAPI.Type type;
  22                 private ExternRef extern_ref;
  23                 private string full_name;
  24                 private string sig_mod;
  25                 private bool is_valuetype;
  26                 private ExternTable extern_table;
  27
  28                 private bool is_resolved;
  29
  30                 private Hashtable method_table;
  31                 private Hashtable field_table;
  32
  33                 public ExternTypeRef (ExternRef extern_ref, string full_name,
  34                                 bool is_valuetype, ExternTable extern_table)
  35                 {
  36                         this.extern_ref = extern_ref;
  37                         this.full_name = full_name;
  38                         this.is_valuetype = is_valuetype;
  39                         this.extern_table = extern_table;
  40                         sig_mod = String.Empty;
  41
  42                         method_table = new Hashtable ();
  43                         field_table = new Hashtable ();
  44
  45                         is_resolved = false;
  46                 }
  47
  48                 private ExternTypeRef (ExternRef extern_ref, string full_name,
  49                                 bool is_valuetype, ExternTable extern_table,
  50                                 ArrayList conv_list) : this (extern_ref, full_name,
  51                                                 is_valuetype, extern_table)
  52                 {
  53                         ConversionList = conv_list;
  54                 }
  55
  56                 public ExternTypeRef Clone ()
  57                 {
  58                         return new ExternTypeRef (extern_ref, FullName, is_valuetype,
  59                                         extern_table, (ArrayList) ConversionList.Clone ());
  60                 }
  61
  62                 public PEAPI.Type PeapiType {
  63                         get { return type; }
  64                 }
  65
  66                 public PEAPI.Class PeapiClass {
  67                         get { return type as PEAPI.Class; }
  68                 }
  69
  70                 public string FullName {
  71                         get { return full_name + sig_mod; }
  72                 }
  73
  74
  75                 public override string SigMod {
  76                         get { return sig_mod; }
  77                         set { sig_mod = value; }
  78                 }
  79
  80                 public void Resolve (CodeGen code_gen)
  81                 {
  82                         if (is_resolved)
  83                                 return;
  84
  85                         if (is_valuetype)
  86                                 type = extern_ref.GetValueType (full_name);
  87                         else
  88                                 type = extern_ref.GetType (full_name);
  89
  90                         type = Modify (code_gen, type);
  91
  92                         is_resolved = true;
  93                 }
  94
  95                 public void MakeValueClass ()
  96                 {
  97                         is_valuetype = true;
  98                 }
  99
 100                 public IMethodRef GetMethodRef (ITypeRef ret_type, PEAPI.CallConv call_conv,
 101                                 string name, ITypeRef[] param)
 102                 {
 103                         string sig = MethodDef.CreateSignature (name, param);
 104                         ExternMethodRef mr = method_table [sig] as ExternMethodRef;
 105
 106                         if (mr == null) {
 107                                 mr = new ExternMethodRef (this, ret_type, call_conv, name, param);
 108                                 method_table [sig] = mr;
 109                         }
 110
 111                         return mr;
 112                 }
 113
 114                 public IFieldRef GetFieldRef (ITypeRef ret_type, string name)
 115                 {
 116                         ExternFieldRef fr = field_table [name] as ExternFieldRef;
 117
 118                         if (fr == null) {
 119                                 fr = new ExternFieldRef (this, ret_type, name);
 120                                 field_table [name] = fr;
 121                         }
 122
 123                         return fr;
 124                 }
 125         }
 126
 127 }
 128