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Viewing changes to external/mono-addins/Mono.Addins.CecilReflector/Mono.Cecil/Mono.Cecil/TypeReference.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/mono-addins/Mono.Addins.CecilReflector/Mono.Cecil/Mono.Cecil/TypeReference.cs
 
1
//
 
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// TypeReference.cs
 
3
//
 
4
// Author:
 
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//   Jb Evain (jbevain@gmail.com)
 
6
//
 
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// Copyright (c) 2008 - 2010 Jb Evain
 
8
//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
15
// the following conditions:
 
16
//
 
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// The above copyright notice and this permission notice shall be
 
18
// included in all copies or substantial portions of the Software.
 
19
//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
27
//
 
28
 
 
29
using System;
 
30
 
 
31
using Mono.Cecil.Metadata;
 
32
using Mono.Collections.Generic;
 
33
 
 
34
namespace Mono.Cecil {
 
35
 
 
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        public enum MetadataType : byte {
 
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                Void = ElementType.Void,
 
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                Boolean = ElementType.Boolean,
 
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                Char = ElementType.Char,
 
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                SByte = ElementType.I1,
 
41
                Byte = ElementType.U1,
 
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                Int16 = ElementType.I2,
 
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                UInt16 = ElementType.U2,
 
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                Int32 = ElementType.I4,
 
45
                UInt32 = ElementType.U4,
 
46
                Int64 = ElementType.I8,
 
47
                UInt64 = ElementType.U8,
 
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                Single = ElementType.R4,
 
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                Double = ElementType.R8,
 
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                String = ElementType.String,
 
51
                Pointer = ElementType.Ptr,
 
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                ByReference = ElementType.ByRef,
 
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                ValueType = ElementType.ValueType,
 
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                Class = ElementType.Class,
 
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                Var = ElementType.Var,
 
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                Array = ElementType.Array,
 
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                GenericInstance = ElementType.GenericInst,
 
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                TypedByReference = ElementType.TypedByRef,
 
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                IntPtr = ElementType.I,
 
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                UIntPtr = ElementType.U,
 
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                FunctionPointer = ElementType.FnPtr,
 
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                Object = ElementType.Object,
 
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                MVar = ElementType.MVar,
 
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                RequiredModifier = ElementType.CModReqD,
 
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                OptionalModifier = ElementType.CModOpt,
 
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                Sentinel = ElementType.Sentinel,
 
67
                Pinned = ElementType.Pinned,
 
68
        }
 
69
 
 
70
        public class TypeReference : MemberReference, IGenericParameterProvider, IGenericContext {
 
71
 
 
72
                string @namespace;
 
73
                bool value_type;
 
74
                internal IMetadataScope scope;
 
75
                internal ModuleDefinition module;
 
76
 
 
77
                internal ElementType etype = ElementType.None;
 
78
 
 
79
                string fullname;
 
80
 
 
81
                protected Collection<GenericParameter> generic_parameters;
 
82
 
 
83
                public override string Name {
 
84
                        get { return base.Name; }
 
85
                        set {
 
86
                                base.Name = value;
 
87
                                fullname = null;
 
88
                        }
 
89
                }
 
90
 
 
91
                public virtual string Namespace {
 
92
                        get { return @namespace; }
 
93
                        set {
 
94
                                @namespace = value;
 
95
                                fullname = null;
 
96
                        }
 
97
                }
 
98
 
 
99
                public virtual bool IsValueType {
 
100
                        get { return value_type; }
 
101
                        set { value_type = value; }
 
102
                }
 
103
 
 
104
                public override ModuleDefinition Module {
 
105
                        get {
 
106
                                if (module != null)
 
107
                                        return module;
 
108
 
 
109
                                var declaring_type = this.DeclaringType;
 
110
                                if (declaring_type != null)
 
111
                                        return declaring_type.Module;
 
112
 
 
113
                                return null;
 
114
                        }
 
115
                }
 
116
 
 
117
                IGenericParameterProvider IGenericContext.Type {
 
118
                        get { return this; }
 
119
                }
 
120
 
 
121
                IGenericParameterProvider IGenericContext.Method {
 
122
                        get { return null; }
 
123
                }
 
124
 
 
125
                GenericParameterType IGenericParameterProvider.GenericParameterType {
 
126
                        get { return GenericParameterType.Type; }
 
127
                }
 
128
 
 
129
                public virtual bool HasGenericParameters {
 
130
                        get { return !generic_parameters.IsNullOrEmpty (); }
 
131
                }
 
132
 
 
133
                public virtual Collection<GenericParameter> GenericParameters {
 
134
                        get {
 
135
                                if (generic_parameters != null)
 
136
                                        return generic_parameters;
 
137
 
 
138
                                return generic_parameters = new Collection<GenericParameter> ();
 
139
                        }
 
140
                }
 
141
 
 
142
                public virtual IMetadataScope Scope {
 
143
                        get {
 
144
                                var declaring_type = this.DeclaringType;
 
145
                                if (declaring_type != null)
 
146
                                        return declaring_type.Scope;
 
147
 
 
148
                                return scope;
 
149
                        }
 
150
                }
 
151
 
 
152
                public bool IsNested {
 
153
                        get { return this.DeclaringType != null; }
 
154
                }
 
155
 
 
156
                public override TypeReference DeclaringType {
 
157
                        get { return base.DeclaringType; }
 
158
                        set {
 
159
                                base.DeclaringType = value;
 
160
                                fullname = null;
 
161
                        }
 
162
                }
 
163
 
 
164
                public override string FullName {
 
165
                        get {
 
166
                                if (fullname != null)
 
167
                                        return fullname;
 
168
 
 
169
                                if (IsNested)
 
170
                                        return fullname = DeclaringType.FullName + "/" + Name;
 
171
 
 
172
                                if (string.IsNullOrEmpty (@namespace))
 
173
                                        return fullname = Name;
 
174
 
 
175
                                return fullname = @namespace + "." + Name;
 
176
                        }
 
177
                }
 
178
 
 
179
                public virtual bool IsByReference {
 
180
                        get { return false; }
 
181
                }
 
182
 
 
183
                public virtual bool IsPointer {
 
184
                        get { return false; }
 
185
                }
 
186
 
 
187
                public virtual bool IsSentinel {
 
188
                        get { return false; }
 
189
                }
 
190
 
 
191
                public virtual bool IsArray {
 
192
                        get { return false; }
 
193
                }
 
194
 
 
195
                public virtual bool IsGenericParameter {
 
196
                        get { return false; }
 
197
                }
 
198
 
 
199
                public virtual bool IsGenericInstance {
 
200
                        get { return false; }
 
201
                }
 
202
 
 
203
                public virtual bool IsRequiredModifier {
 
204
                        get { return false; }
 
205
                }
 
206
 
 
207
                public virtual bool IsOptionalModifier {
 
208
                        get { return false; }
 
209
                }
 
210
 
 
211
                public virtual bool IsPinned {
 
212
                        get { return false; }
 
213
                }
 
214
 
 
215
                public virtual bool IsFunctionPointer {
 
216
                        get { return false; }
 
217
                }
 
218
 
 
219
                public bool IsPrimitive {
 
220
                        get {
 
221
                                switch (etype) {
 
222
                                case ElementType.Boolean:
 
223
                                case ElementType.Char:
 
224
                                case ElementType.I:
 
225
                                case ElementType.U:
 
226
                                case ElementType.I1:
 
227
                                case ElementType.U1:
 
228
                                case ElementType.I2:
 
229
                                case ElementType.U2:
 
230
                                case ElementType.I4:
 
231
                                case ElementType.U4:
 
232
                                case ElementType.I8:
 
233
                                case ElementType.U8:
 
234
                                case ElementType.R4:
 
235
                                case ElementType.R8:
 
236
                                        return true;
 
237
                                default:
 
238
                                        return false;
 
239
                                }
 
240
                        }
 
241
                }
 
242
 
 
243
                public virtual MetadataType MetadataType {
 
244
                        get {
 
245
                                switch (etype) {
 
246
                                case ElementType.None:
 
247
                                        return IsValueType ? MetadataType.ValueType : MetadataType.Class;
 
248
                                default:
 
249
                                        return (MetadataType) etype;
 
250
                                }
 
251
                        }
 
252
                }
 
253
 
 
254
                protected TypeReference (string @namespace, string name)
 
255
                        : base (name)
 
256
                {
 
257
                        this.@namespace = @namespace ?? string.Empty;
 
258
                        this.token = new MetadataToken (TokenType.TypeRef, 0);
 
259
                }
 
260
 
 
261
                public TypeReference (string @namespace, string name, ModuleDefinition module, IMetadataScope scope)
 
262
                        : this (@namespace, name)
 
263
                {
 
264
                        this.module = module;
 
265
                        this.scope = scope;
 
266
                }
 
267
 
 
268
                public TypeReference (string @namespace, string name, ModuleDefinition module, IMetadataScope scope, bool valueType) :
 
269
                        this (@namespace, name, module, scope)
 
270
                {
 
271
                        value_type = valueType;
 
272
                }
 
273
 
 
274
                public virtual TypeReference GetElementType ()
 
275
                {
 
276
                        return this;
 
277
                }
 
278
 
 
279
                public virtual TypeDefinition Resolve ()
 
280
                {
 
281
                        var module = this.Module;
 
282
                        if (module == null)
 
283
                                throw new NotSupportedException ();
 
284
 
 
285
                        return module.Resolve (this);
 
286
                }
 
287
        }
 
288
 
 
289
        static partial class Mixin {
 
290
 
 
291
                public static bool IsTypeOf (this TypeReference self, string @namespace, string name)
 
292
                {
 
293
                        return self.Name == name
 
294
                                && self.Namespace == @namespace;
 
295
                }
 
296
 
 
297
                public static bool IsTypeSpecification (this TypeReference type)
 
298
                {
 
299
                        switch (type.etype) {
 
300
                        case ElementType.Array:
 
301
                        case ElementType.ByRef:
 
302
                        case ElementType.CModOpt:
 
303
                        case ElementType.CModReqD:
 
304
                        case ElementType.FnPtr:
 
305
                        case ElementType.GenericInst:
 
306
                        case ElementType.MVar:
 
307
                        case ElementType.Pinned:
 
308
                        case ElementType.Ptr:
 
309
                        case ElementType.SzArray:
 
310
                        case ElementType.Sentinel:
 
311
                        case ElementType.Var:
 
312
                                return true;
 
313
                        }
 
314
 
 
315
                        return false;
 
316
                }
 
317
 
 
318
                public static TypeDefinition CheckedResolve (this TypeReference self)
 
319
                {
 
320
                        var type = self.Resolve ();
 
321
                        if (type == null)
 
322
                                throw new InvalidOperationException (string.Format ("Failed to resolve type: {0}", self.FullName));
 
323
 
 
324
                        return type;
 
325
                }
 
326
        }
 
327
}