mcs/ilasm/codegen/Class.cs

   1 // Class.cs\r
   2 // (C) Sergey Chaban (serge@wildwestsoftware.com)\r
   3 \r
   4 using System;\r
   5 using System.Collections;\r
   6 using System.Reflection;\r
   7 using System.Reflection.Emit;\r
   8 \r
   9 namespace Mono.ILASM {\r
  10 \r
  11         /// <summary>\r
  12         /// </summary>\r
  13         public class ClassName {\r
  14 \r
  15                 private string name;\r
  16                 private string assembly;\r
  17                 private string module;\r
  18 \r
  19 \r
  20                 /// <summary>\r
  21                 /// </summary>\r
  22                 /// <param name="name"></param>\r
  23                 public ClassName (string name) {\r
  24                         this.name = name;\r
  25                         this.assembly = String.Empty;\r
  26                         this.module = String.Empty;\r
  27                 }\r
  28 \r
  29 \r
  30                 public string Name {\r
  31                         get {\r
  32                                 return name;\r
  33                         }\r
  34                 }\r
  35 \r
  36 \r
  37         }\r
  38 \r
  39 \r
  40         /// <summary>\r
  41         /// </summary>\r
  42         public class Class {\r
  43 \r
  44                 private string name;\r
  45 \r
  46                 // extends clause\r
  47                 private ClassName baseClass;\r
  48 \r
  49                 // implements clause\r
  50                 private ArrayList interfaces;\r
  51 \r
  52                 private ArrayList methods;\r
  53 \r
  54                 private TypeBuilder tb;\r
  55 \r
  56                 private CodeGen codgen;\r
  57 \r
  58                 private TypeAttributes attrs;\r
  59 \r
  60 \r
  61 \r
  62                 /// <summary>\r
  63                 /// </summary>\r
  64                 /// <param name="name"></param>\r
  65                 public Class (string name)\r
  66                 {\r
  67                         this.name = name;\r
  68                 }\r
  69 \r
  70 \r
  71 \r
  72                 /// <summary>\r
  73                 /// </summary>\r
  74                 /// <param name="m"></param>\r
  75                 public void AddMethod (Method m)\r
  76                 {\r
  77                         if (methods == null) methods = new ArrayList ();\r
  78                         methods.Add (m);\r
  79                 }\r
  80 \r
  81 \r
  82                 /// <summary>\r
  83                 /// </summary>\r
  84                 public CodeGen CodeGen {\r
  85                         get {\r
  86                                 return codgen;\r
  87                         }\r
  88                 }\r
  89 \r
  90 \r
  91                 /// <summary>\r
  92                 /// </summary>\r
  93                 public TypeAttributes Attrs {\r
  94                         get {\r
  95                                 return attrs;\r
  96                         }\r
  97                         set {\r
  98                                 attrs = value;\r
  99                         }\r
 100                 }\r
 101 \r
 102 \r
 103                 /// <summary>\r
 104                 /// </summary>\r
 105                 public TypeBuilder TypeBuilder {\r
 106                         get {\r
 107                                 if (tb == null && codgen != null) {\r
 108                                         tb = codgen.ModBuilder.DefineType (name, Attrs);\r
 109                                 }\r
 110                                 return tb;\r
 111                         }\r
 112                 }\r
 113 \r
 114                 /// <summary>\r
 115                 /// </summary>\r
 116                 /// <param name="cg"></param>\r
 117                 public void Emit (CodeGen cg)\r
 118                 {\r
 119                         codgen = cg;\r
 120                         \r
 121                         TypeBuilder.CreateType();\r
 122                         cg.TypeManager[name] = TypeBuilder;\r
 123 \r
 124                         if (methods != null) {\r
 125                                 foreach (Method m in methods) \r
 126                                         m.Resolve (this);\r
 127                         }\r
 128 \r
 129                         if (methods != null) {\r
 130                                 foreach (Method m in methods) {\r
 131                                         m.Emit (this);\r
 132                                         if (m.IsEntryPoint)\r
 133                                                 cg.SetEntryPoint (m.Builder);\r
 134                                 }\r
 135                         }       \r
 136                 }\r
 137                 \r
 138                 // This can be removed when System.Reflection.Emit.TypeBuilder.GetMethod is implemented\r
 139                 // TODO: This function needs allot of work\r
 140                 public MethodInfo GetMethod (string method_name, BindingFlags binding_flags,\r
 141                         Type[] param_type_list)\r
 142                 {\r
 143                         foreach (Method method in methods) {\r
 144                                 if (method.Name != method_name)\r
 145                                         continue;\r
 146                                 ParameterInfo[] param_info = method.Builder.GetParameters ();\r
 147                                 if (param_info == null) {\r
 148                                         if (param_type_list.Length == 0)\r
 149                                                 return method.Builder;\r
 150                                         else\r
 151                                                 continue;\r
 152                                 }\r
 153                                 int size = param_info.Length;\r
 154                                 if (param_type_list.Length != size)\r
 155                                         continue;\r
 156                                 for (int i=0; i<size; i++) {\r
 157                                         if (param_type_list[i] != param_info[i].ParameterType)\r
 158                                                 goto end;       \r
 159                                 }\r
 160 \r
 161                                 return method.Builder;\r
 162                                 end: continue;\r
 163                         }\r
 164         \r
 165                         return null;\r
 166                 }\r
 167         }\r
 168 }\r
 169 \r