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