class/Mono.Cecil/Mono.Cecil/MethodReference.cs

   1 //
   2 // MethodReference.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@gmail.com)
   6 //
   7 // (C) 2005 - 2007 Jb Evain
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 namespace Mono.Cecil {
  30
  31         using System.Text;
  32
  33         public class MethodReference : MemberReference, IMethodSignature, IGenericParameterProvider {
  34
  35                 ParameterDefinitionCollection m_parameters;
  36                 MethodReturnType m_returnType;
  37
  38                 bool m_hasThis;
  39                 bool m_explicitThis;
  40                 MethodCallingConvention m_callConv;
  41                 GenericParameterCollection m_genparams;
  42
  43                 public virtual bool HasThis {
  44                         get { return m_hasThis; }
  45                         set { m_hasThis = value; }
  46                 }
  47
  48                 public virtual bool ExplicitThis {
  49                         get { return m_explicitThis; }
  50                         set { m_explicitThis = value; }
  51                 }
  52
  53                 public virtual MethodCallingConvention CallingConvention {
  54                         get { return m_callConv; }
  55                         set { m_callConv = value; }
  56                 }
  57
  58                 public virtual bool HasParameters {
  59                         get { return (m_parameters == null) ? false : (m_parameters.Count > 0); }
  60                 }
  61
  62                 public virtual ParameterDefinitionCollection Parameters {
  63                         get {
  64                                 if (m_parameters == null)
  65                                         m_parameters = new ParameterDefinitionCollection (this);
  66                                 return m_parameters;
  67                         }
  68                 }
  69
  70                 public bool HasGenericParameters {
  71                         get { return (m_genparams == null) ? false : (m_genparams.Count > 0); }
  72                 }
  73
  74                 public GenericParameterCollection GenericParameters {
  75                         get {
  76                                 if (m_genparams == null)
  77                                         m_genparams = new GenericParameterCollection (this);
  78                                 return m_genparams;
  79                         }
  80                 }
  81
  82                 public virtual MethodReturnType ReturnType {
  83                         get { return m_returnType;}
  84                         set { m_returnType = value; }
  85                 }
  86
  87                 internal MethodReference (string name, bool hasThis,
  88                         bool explicitThis, MethodCallingConvention callConv) : this (name)
  89                 {
  90                         m_parameters = new ParameterDefinitionCollection (this);
  91                         m_hasThis = hasThis;
  92                         m_explicitThis = explicitThis;
  93                         m_callConv = callConv;
  94                 }
  95
  96                 internal MethodReference (string name) : base (name)
  97                 {
  98                         m_returnType = new MethodReturnType (null);
  99                 }
 100
 101                 public MethodReference (string name,
 102                         TypeReference declaringType, TypeReference returnType,
 103                         bool hasThis, bool explicitThis, MethodCallingConvention callConv) :
 104                         this (name, hasThis, explicitThis, callConv)
 105                 {
 106                         this.DeclaringType = declaringType;
 107                         this.ReturnType.ReturnType = returnType;
 108                 }
 109
 110                 public virtual MethodDefinition Resolve ()
 111                 {
 112                         TypeReference declaringType = DeclaringType;
 113                         if (declaringType == null)
 114                                 return null;
 115
 116                         return declaringType.Module.Resolver.Resolve (this);
 117                 }
 118
 119                 public virtual MethodReference GetOriginalMethod ()
 120                 {
 121                         return this;
 122                 }
 123
 124                 public int GetSentinel ()
 125                 {
 126                         if (HasParameters) {
 127                                 for (int i = 0; i < Parameters.Count; i++)
 128                                         if (Parameters [i].ParameterType is SentinelType)
 129                                                 return i;
 130                         }
 131                         return -1;
 132                 }
 133
 134                 public override string ToString ()
 135                 {
 136                         int sentinel = GetSentinel ();
 137
 138                         StringBuilder sb = new StringBuilder ();
 139                         sb.Append (m_returnType.ReturnType.FullName);
 140                         sb.Append (" ");
 141                         sb.Append (base.ToString ());
 142                         sb.Append ("(");
 143                         if (this.HasParameters) {
 144                                 for (int i = 0; i < this.Parameters.Count; i++) {
 145                                         if (i > 0)
 146                                                 sb.Append (",");
 147
 148                                         if (i == sentinel)
 149                                                 sb.Append ("...,");
 150
 151                                         sb.Append (this.Parameters [i].ParameterType.FullName);
 152                                 }
 153                         }
 154                         sb.Append (")");
 155                         return sb.ToString ();
 156                 }
 157         }
 158 }