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 : IMethodRef {
  17
  18                 private TypeRef owner;
  19                 private PEAPI.CallConv call_conv;
  20                 private ITypeRef ret_type;
  21                 private string name;
  22                 private ITypeRef[] param;
  23
  24                 private PEAPI.Method peapi_method;
  25                 private bool is_resolved;
  26
  27                 public MethodRef (TypeRef owner, PEAPI.CallConv call_conv,
  28                         ITypeRef ret_type, string name, ITypeRef[] param)
  29                 {
  30                         this.owner = owner;
  31                         this.call_conv = call_conv;
  32                         this.ret_type = ret_type;
  33                         this.name = name;
  34                         this.param = param;
  35                         is_resolved = false;
  36                 }
  37
  38                 public PEAPI.Method PeapiMethod {
  39                         get { return peapi_method; }
  40                 }
  41
  42                 public PEAPI.CallConv CallConv {
  43                         get { return call_conv; }
  44                         set { call_conv = value; }
  45                 }
  46
  47                 public void Resolve (CodeGen code_gen)
  48                 {
  49                         if (is_resolved)
  50                                 return;
  51
  52                         TypeDef owner_def = code_gen.TypeManager[owner.FullName];
  53                         string write_name;
  54
  55                         if (name == "<init>")
  56                                 write_name = ".ctor";
  57                         else
  58                                 write_name = name;
  59
  60                         string sig;
  61
  62                         if ((call_conv & PEAPI.CallConv.Vararg) == 0) {
  63                                 sig = MethodDef.CreateSignature (ret_type, name, param);
  64                                 peapi_method = owner_def.ResolveMethod (sig, code_gen);
  65                         } else {
  66                                 sig = MethodDef.CreateVarargSignature (ret_type, name, param);
  67                                 ArrayList opt_list = new ArrayList ();
  68                                 bool in_opt = false;
  69                                 foreach (ITypeRef type in param) {
  70                                         if (type is SentinelTypeRef) {
  71                                                 in_opt = true;
  72                                         } else if (in_opt) {
  73                                                 type.Resolve (code_gen);
  74                                                 opt_list.Add (type.PeapiType);
  75                                         }
  76                                 }
  77                                 peapi_method = owner_def.ResolveVarargMethod (sig, code_gen,
  78                                                 (PEAPI.Type[]) opt_list.ToArray (typeof (PEAPI.Type)));
  79                         }
  80
  81                         is_resolved = true;
  82
  83                 }
  84
  85         }
  86
  87 }
  88