mcs/ilasm/codegen/GlobalMethodRef.cs

   1 //
   2 // Mono.ILASM.GlobalMethodRef
   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 GlobalMethodRef : IMethodRef {
  17
  18                 private ITypeRef ret_type;
  19                 private string name;
  20                 private ITypeRef[] param;
  21                 private PEAPI.CallConv call_conv;
  22
  23                 private PEAPI.Method peapi_method;
  24                 private bool is_resolved;
  25
  26                 public GlobalMethodRef (ITypeRef ret_type, PEAPI.CallConv call_conv,
  27                                 string name, ITypeRef[] param)
  28                 {
  29                         this.ret_type = ret_type;
  30                         this.call_conv = call_conv;
  31                         this.name = name;
  32                         this.param = param;
  33
  34                         is_resolved = false;
  35                 }
  36
  37                 public PEAPI.Method PeapiMethod {
  38                         get { return peapi_method; }
  39                 }
  40
  41                 public PEAPI.CallConv CallConv {
  42                         get { return call_conv; }
  43                         set { call_conv = value; }
  44                 }
  45
  46                 public ITypeRef Owner {
  47                         get { return null; }
  48                 }
  49
  50                 public void Resolve (CodeGen code_gen)
  51                 {
  52                         if (is_resolved)
  53                                 return;
  54
  55                         string sig;
  56
  57                         if ((call_conv & PEAPI.CallConv.Vararg) == 0) {
  58                                 sig = MethodDef.CreateSignature (ret_type, name, param);
  59                                 peapi_method = code_gen.ResolveMethod (sig);
  60                         } else {
  61                                 ArrayList opt_list = new ArrayList ();
  62                                 bool in_opt = false;
  63                                 foreach (ITypeRef type in param) {
  64                                         if (type is SentinelTypeRef) {
  65                                                 in_opt = true;
  66                                         } else if (in_opt) {
  67                                                 type.Resolve (code_gen);
  68                                                 opt_list.Add (type.PeapiType);
  69                                         }
  70                                 }
  71                                 sig = MethodDef.CreateVarargSignature (ret_type, name, param);
  72                                 peapi_method = code_gen.ResolveVarargMethod (sig, code_gen,
  73                                                 (PEAPI.Type[]) opt_list.ToArray (typeof (PEAPI.Type)));
  74                         }
  75
  76                         peapi_method.AddCallConv (call_conv);
  77
  78                         is_resolved = true;
  79                 }
  80
  81         }
  82
  83 }
  84