mcs/ilasm/codegen/MethodRef.cs

   1 //
   2 // Mono.ILASM.MethodRef
   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         public class MethodRef : BaseMethodRef {
  17
  18                 public MethodRef (TypeRef owner, PEAPI.CallConv call_conv,
  19                         BaseTypeRef ret_type, string name, BaseTypeRef[] param, int gen_param_count)
  20                         : base (owner, call_conv, ret_type, name, param, gen_param_count)
  21                 {
  22                 }
  23
  24                 public override void Resolve (CodeGen code_gen)
  25                 {
  26                         if (is_resolved)
  27                                 return;
  28
  29                         owner.Resolve (code_gen);
  30
  31                         TypeDef owner_def = code_gen.TypeManager[owner.FullName];
  32                         if (owner_def == null)
  33                                 throw new Exception (String.Format ("Reference to undefined class '{0}'", owner.FullName));
  34
  35                         string write_name;
  36
  37                         if (name == "<init>")
  38                                 write_name = ".ctor";
  39                         else
  40                                 write_name = name;
  41
  42                         string sig;
  43
  44                         if ((call_conv & PEAPI.CallConv.Vararg) == 0) {
  45                                 sig = MethodDef.CreateSignature (ret_type, name, param, gen_param_count);
  46                                 peapi_method = owner_def.ResolveMethod (sig, code_gen);
  47                         } else {
  48                                 sig = MethodDef.CreateVarargSignature (ret_type, name, param);
  49                                 ArrayList opt_list = new ArrayList ();
  50                                 bool in_opt = false;
  51                                 foreach (BaseTypeRef type in param) {
  52                                         if (type is SentinelTypeRef) {
  53                                                 in_opt = true;
  54                                         } else if (in_opt) {
  55                                                 type.Resolve (code_gen);
  56                                                 opt_list.Add (type.PeapiType);
  57                                         }
  58                                 }
  59                                 peapi_method = owner_def.ResolveVarargMethod (sig, code_gen,
  60                                                 (PEAPI.Type[]) opt_list.ToArray (typeof (PEAPI.Type)));
  61                         }
  62
  63                         is_resolved = true;
  64
  65                 }
  66
  67         }
  68
  69 }
  70