1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
|
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// <OWNER>[....]</OWNER>
//
namespace System.Reflection.Emit
{
using System.Runtime.InteropServices;
using System;
using System.Reflection;
using System.Diagnostics.Contracts;
using CultureInfo = System.Globalization.CultureInfo;
[Serializable]
internal enum TypeKind
{
IsArray = 1,
IsPointer = 2,
IsByRef = 3,
}
// This is a kind of Type object that will represent the compound expression of a parameter type or field type.
internal sealed class SymbolType : TypeInfo
{
public override bool IsAssignableFrom(System.Reflection.TypeInfo typeInfo){
if(typeInfo==null) return false;
return IsAssignableFrom(typeInfo.AsType());
}
#region Static Members
internal static Type FormCompoundType(char[] bFormat, Type baseType, int curIndex)
{
// This function takes a string to describe the compound type, such as "[,][]", and a baseType.
//
// Example: [2..4] - one dimension array with lower bound 2 and size of 3
// Example: [3, 5, 6] - three dimension array with lower bound 3, 5, 6
// Example: [-3, ] [] - one dimensional array of two dimensional array (with lower bound -3 for
// the first dimension)
// Example: []* - pointer to a one dimensional array
// Example: *[] - one dimensional array. The element type is a pointer to the baseType
// Example: []& - ByRef of a single dimensional array. Only one & is allowed and it must appear the last!
// Example: [?] - Array with unknown bound
SymbolType symbolType;
int iLowerBound;
int iUpperBound;
if (bFormat == null || curIndex == bFormat.Length)
{
// we have consumed all of the format string
return baseType;
}
if (bFormat[curIndex] == '&')
{
// ByRef case
symbolType = new SymbolType(TypeKind.IsByRef);
symbolType.SetFormat(bFormat, curIndex, 1);
curIndex++;
if (curIndex != bFormat.Length)
// ByRef has to be the last char!!
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
symbolType.SetElementType(baseType);
return symbolType;
}
if (bFormat[curIndex] == '[')
{
// Array type.
symbolType = new SymbolType(TypeKind.IsArray);
int startIndex = curIndex;
curIndex++;
iLowerBound = 0;
iUpperBound = -1;
// Example: [2..4] - one dimension array with lower bound 2 and size of 3
// Example: [3, 5, 6] - three dimension array with lower bound 3, 5, 6
// Example: [-3, ] [] - one dimensional array of two dimensional array (with lower bound -3 sepcified)
while (bFormat[curIndex] != ']')
{
if (bFormat[curIndex] == '*')
{
symbolType.m_isSzArray = false;
curIndex++;
}
// consume, one dimension at a time
if ((bFormat[curIndex] >= '0' && bFormat[curIndex] <= '9') || bFormat[curIndex] == '-')
{
bool isNegative = false;
if (bFormat[curIndex] == '-')
{
isNegative = true;
curIndex++;
}
// lower bound is specified. Consume the low bound
while (bFormat[curIndex] >= '0' && bFormat[curIndex] <= '9')
{
iLowerBound = iLowerBound * 10;
iLowerBound += bFormat[curIndex] - '0';
curIndex++;
}
if (isNegative)
{
iLowerBound = 0 - iLowerBound;
}
// set the upper bound to be less than LowerBound to indicate that upper bound it not specified yet!
iUpperBound = iLowerBound - 1;
}
if (bFormat[curIndex] == '.')
{
// upper bound is specified
// skip over ".."
curIndex++;
if (bFormat[curIndex] != '.')
{
// bad format!! Throw exception
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
}
curIndex++;
// consume the upper bound
if ((bFormat[curIndex] >= '0' && bFormat[curIndex] <= '9') || bFormat[curIndex] == '-')
{
bool isNegative = false;
iUpperBound = 0;
if (bFormat[curIndex] == '-')
{
isNegative = true;
curIndex++;
}
// lower bound is specified. Consume the low bound
while (bFormat[curIndex] >= '0' && bFormat[curIndex] <= '9')
{
iUpperBound = iUpperBound * 10;
iUpperBound += bFormat[curIndex] - '0';
curIndex++;
}
if (isNegative)
{
iUpperBound = 0 - iUpperBound;
}
if (iUpperBound < iLowerBound)
{
// User specified upper bound less than lower bound, this is an error.
// Throw error exception.
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
}
}
}
if (bFormat[curIndex] == ',')
{
// We have more dimension to deal with.
// now set the lower bound, the size, and increase the dimension count!
curIndex++;
symbolType.SetBounds(iLowerBound, iUpperBound);
// clear the lower and upper bound information for next dimension
iLowerBound = 0;
iUpperBound = -1;
}
else if (bFormat[curIndex] != ']')
{
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
}
}
// The last dimension information
symbolType.SetBounds(iLowerBound, iUpperBound);
// skip over ']'
curIndex++;
symbolType.SetFormat(bFormat, startIndex, curIndex - startIndex);
// set the base type of array
symbolType.SetElementType(baseType);
return FormCompoundType(bFormat, symbolType, curIndex);
}
else if (bFormat[curIndex] == '*')
{
// pointer type.
symbolType = new SymbolType(TypeKind.IsPointer);
symbolType.SetFormat(bFormat, curIndex, 1);
curIndex++;
symbolType.SetElementType(baseType);
return FormCompoundType(bFormat, symbolType, curIndex);
}
return null;
}
#endregion
#region Data Members
internal TypeKind m_typeKind;
internal Type m_baseType;
internal int m_cRank; // count of dimension
// If LowerBound and UpperBound is equal, that means one element.
// If UpperBound is less than LowerBound, then the size is not specified.
internal int[] m_iaLowerBound;
internal int[] m_iaUpperBound; // count of dimension
private char[] m_bFormat; // format string to form the full name.
private bool m_isSzArray = true;
#endregion
#region Constructor
internal SymbolType(TypeKind typeKind)
{
m_typeKind = typeKind;
m_iaLowerBound = new int[4];
m_iaUpperBound = new int[4];
}
#endregion
#region Internal Members
internal void SetElementType(Type baseType)
{
if (baseType == null)
throw new ArgumentNullException("baseType");
Contract.EndContractBlock();
m_baseType = baseType;
}
private void SetBounds(int lower, int upper)
{
// Increase the rank, set lower and upper bound
if (lower != 0 || upper != -1)
m_isSzArray = false;
if (m_iaLowerBound.Length <= m_cRank)
{
// resize the bound array
int[] iaTemp = new int[m_cRank * 2];
Array.Copy(m_iaLowerBound, iaTemp, m_cRank);
m_iaLowerBound = iaTemp;
Array.Copy(m_iaUpperBound, iaTemp, m_cRank);
m_iaUpperBound = iaTemp;
}
m_iaLowerBound[m_cRank] = lower;
m_iaUpperBound[m_cRank] = upper;
m_cRank++;
}
internal void SetFormat(char[] bFormat, int curIndex, int length)
{
// Cache the text display format for this SymbolType
char[] bFormatTemp = new char[length];
Array.Copy(bFormat, curIndex, bFormatTemp, 0, length);
m_bFormat = bFormatTemp;
}
#endregion
#region Type Overrides
internal override bool IsSzArray
{
get
{
if (m_cRank > 1)
return false;
return m_isSzArray;
}
}
public override Type MakePointerType()
{
return SymbolType.FormCompoundType((new String(m_bFormat) + "*").ToCharArray(), m_baseType, 0);
}
public override Type MakeByRefType()
{
return SymbolType.FormCompoundType((new String(m_bFormat) + "&").ToCharArray(), m_baseType, 0);
}
public override Type MakeArrayType()
{
return SymbolType.FormCompoundType((new String(m_bFormat) + "[]").ToCharArray(), m_baseType, 0);
}
public override Type MakeArrayType(int rank)
{
if (rank <= 0)
throw new IndexOutOfRangeException();
Contract.EndContractBlock();
string szrank = "";
if (rank == 1)
{
szrank = "*";
}
else
{
for(int i = 1; i < rank; i++)
szrank += ",";
}
string s = String.Format(CultureInfo.InvariantCulture, "[{0}]", szrank); // [,,]
SymbolType st = SymbolType.FormCompoundType((new String(m_bFormat) + s).ToCharArray(), m_baseType, 0) as SymbolType;
return st;
}
public override int GetArrayRank()
{
if (!IsArray)
throw new NotSupportedException(Environment.GetResourceString("NotSupported_SubclassOverride"));
Contract.EndContractBlock();
return m_cRank;
}
public override Guid GUID
{
get { throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType")); }
}
public override Object InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target,
Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Module Module
{
get
{
Type baseType;
for (baseType = m_baseType; baseType is SymbolType; baseType = ((SymbolType) baseType).m_baseType);
return baseType.Module;
}
}
public override Assembly Assembly
{
get
{
Type baseType;
for (baseType = m_baseType; baseType is SymbolType; baseType = ((SymbolType) baseType).m_baseType);
return baseType.Assembly;
}
}
public override RuntimeTypeHandle TypeHandle
{
get { throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType")); }
}
public override String Name
{
get
{
Type baseType;
String sFormat = new String(m_bFormat);
for (baseType = m_baseType; baseType is SymbolType; baseType = ((SymbolType)baseType).m_baseType)
sFormat = new String(((SymbolType)baseType).m_bFormat) + sFormat;
return baseType.Name + sFormat;
}
}
public override String FullName
{
get
{
return TypeNameBuilder.ToString(this, TypeNameBuilder.Format.FullName);
}
}
public override String AssemblyQualifiedName
{
get
{
return TypeNameBuilder.ToString(this, TypeNameBuilder.Format.AssemblyQualifiedName);
}
}
public override String ToString()
{
return TypeNameBuilder.ToString(this, TypeNameBuilder.Format.ToString);
}
public override String Namespace
{
get { return m_baseType.Namespace; }
}
public override Type BaseType
{
get { return typeof(System.Array); }
}
protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr,Binder binder,
CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
[System.Runtime.InteropServices.ComVisible(true)]
public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
protected override MethodInfo GetMethodImpl(String name,BindingFlags bindingAttr,Binder binder,
CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override MethodInfo[] GetMethods(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override FieldInfo GetField(String name, BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override FieldInfo[] GetFields(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Type GetInterface(String name,bool ignoreCase)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Type[] GetInterfaces()
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override EventInfo GetEvent(String name,BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override EventInfo[] GetEvents()
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder,
Type returnType, Type[] types, ParameterModifier[] modifiers)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override PropertyInfo[] GetProperties(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Type[] GetNestedTypes(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Type GetNestedType(String name, BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override MemberInfo[] GetMember(String name, MemberTypes type, BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override MemberInfo[] GetMembers(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
[System.Runtime.InteropServices.ComVisible(true)]
public override InterfaceMapping GetInterfaceMap(Type interfaceType)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override EventInfo[] GetEvents(BindingFlags bindingAttr)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
protected override TypeAttributes GetAttributeFlagsImpl()
{
// Return the attribute flags of the base type?
Type baseType;
for (baseType = m_baseType; baseType is SymbolType; baseType = ((SymbolType)baseType).m_baseType);
return baseType.Attributes;
}
protected override bool IsArrayImpl()
{
return m_typeKind == TypeKind.IsArray;
}
protected override bool IsPointerImpl()
{
return m_typeKind == TypeKind.IsPointer;
}
protected override bool IsByRefImpl()
{
return m_typeKind == TypeKind.IsByRef;
}
protected override bool IsPrimitiveImpl()
{
return false;
}
protected override bool IsValueTypeImpl()
{
return false;
}
protected override bool IsCOMObjectImpl()
{
return false;
}
public override bool IsConstructedGenericType
{
get
{
return false;
}
}
public override Type GetElementType()
{
return m_baseType;
}
protected override bool HasElementTypeImpl()
{
return m_baseType != null;
}
public override Type UnderlyingSystemType
{
get { return this; }
}
public override Object[] GetCustomAttributes(bool inherit)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override Object[] GetCustomAttributes(Type attributeType, bool inherit)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
public override bool IsDefined (Type attributeType, bool inherit)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_NonReflectedType"));
}
#endregion
}
}
|