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
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Reflection;
using System.Collections.Generic;
using System.Diagnostics;
using Internal.NativeFormat;
using Internal.TypeSystem.NativeFormat;
#if ECMA_METADATA_SUPPORT
using Internal.TypeSystem.Ecma;
#endif
using Internal.Runtime.Augments;
using Internal.Runtime.CompilerServices;
using Internal.TypeSystem;
using Internal.TypeSystem.NoMetadata;
using System.Reflection.Runtime.General;
namespace Internal.TypeSystem.NativeFormat
{
// When SUPPORTS_NATIVE_METADATA_TYPE_LOADING is not set we may see compile errors from using statements.
// Add a namespace definition for Internal.TypeSystem.NativeFormat
}
namespace Internal.Runtime.TypeLoader
{
internal static class TypeDescExtensions
{
public static bool CanShareNormalGenericCode(this TypeDesc type)
{
return (type != type.ConvertToCanonForm(CanonicalFormKind.Specific));
}
public static bool IsGeneric(this TypeDesc type)
{
DefType typeAsDefType = type as DefType;
return typeAsDefType != null && typeAsDefType.HasInstantiation;
}
public static DefType GetClosestDefType(this TypeDesc type)
{
if (type is DefType)
return (DefType)type;
else
return type.BaseType;
}
}
internal static class MethodDescExtensions
{
public static bool CanShareNormalGenericCode(this InstantiatedMethod method)
{
return (method != method.GetCanonMethodTarget(CanonicalFormKind.Specific));
}
}
internal static class RuntimeHandleExtensions
{
public static bool IsNull(this RuntimeTypeHandle rtth)
{
return RuntimeAugments.GetRuntimeTypeHandleRawValue(rtth) == IntPtr.Zero;
}
public static unsafe bool IsDynamic(this RuntimeFieldHandle rtfh)
{
IntPtr rtfhValue = *(IntPtr*)&rtfh;
return (rtfhValue.ToInt64() & 0x1) == 0x1;
}
public static unsafe bool IsDynamic(this RuntimeMethodHandle rtfh)
{
IntPtr rtfhValue = *(IntPtr*)&rtfh;
return (rtfhValue.ToInt64() & 0x1) == 0x1;
}
}
public static partial class RuntimeSignatureHelper
{
public static bool TryCreate(MethodDesc method, out RuntimeSignature methodSignature)
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
MethodDesc typicalMethod = method.GetTypicalMethodDefinition();
if (typicalMethod is TypeSystem.NativeFormat.NativeFormatMethod)
{
TypeSystem.NativeFormat.NativeFormatMethod nativeFormatMethod = (TypeSystem.NativeFormat.NativeFormatMethod)typicalMethod;
methodSignature = RuntimeSignature.CreateFromMethodHandle(nativeFormatMethod.MetadataUnit.RuntimeModule, nativeFormatMethod.Handle.ToInt());
return true;
}
#if ECMA_METADATA_SUPPORT
if (typicalMethod is TypeSystem.Ecma.EcmaMethod)
{
unsafe
{
TypeSystem.Ecma.EcmaMethod ecmaMethod = (TypeSystem.Ecma.EcmaMethod)typicalMethod;
methodSignature = RuntimeSignature.CreateFromMethodHandle(new IntPtr(ecmaMethod.Module.RuntimeModuleInfo.DynamicModulePtr), System.Reflection.Metadata.Ecma335.MetadataTokens.GetToken(ecmaMethod.Handle));
}
return true;
}
#endif
#endif
methodSignature = default(RuntimeSignature);
return false;
}
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
public static MethodDesc ToMethodDesc(this RuntimeMethodHandle rmh, TypeSystemContext typeSystemContext)
{
RuntimeTypeHandle declaringTypeHandle;
MethodNameAndSignature nameAndSignature;
RuntimeTypeHandle[] genericMethodArgs;
if (!TypeLoaderEnvironment.Instance.TryGetRuntimeMethodHandleComponents(rmh, out declaringTypeHandle, out nameAndSignature, out genericMethodArgs))
{
return null;
}
QMethodDefinition methodHandle;
if (!TypeLoaderEnvironment.Instance.TryGetMetadataForTypeMethodNameAndSignature(declaringTypeHandle, nameAndSignature, out methodHandle))
{
return null;
}
TypeDesc declaringType = typeSystemContext.ResolveRuntimeTypeHandle(declaringTypeHandle);
TypeDesc declaringTypeDefinition = declaringType.GetTypeDefinition();
MethodDesc typicalMethod = null;
if (methodHandle.IsNativeFormatMetadataBased)
{
var nativeFormatType = (NativeFormatType)declaringTypeDefinition;
typicalMethod = nativeFormatType.MetadataUnit.GetMethod(methodHandle.NativeFormatHandle, nativeFormatType);
}
else if (methodHandle.IsEcmaFormatMetadataBased)
{
var ecmaFormatType = (EcmaType)declaringTypeDefinition;
typicalMethod = ecmaFormatType.EcmaModule.GetMethod(methodHandle.EcmaFormatHandle);
}
Debug.Assert(typicalMethod != null);
MethodDesc methodOnInstantiatedType = typicalMethod;
if (declaringType != declaringTypeDefinition)
methodOnInstantiatedType = typeSystemContext.GetMethodForInstantiatedType(typicalMethod, (InstantiatedType)declaringType);
MethodDesc instantiatedMethod = methodOnInstantiatedType;
if (genericMethodArgs != null)
{
Debug.Assert(genericMethodArgs.Length > 0);
Instantiation genericMethodInstantiation = typeSystemContext.ResolveRuntimeTypeHandles(genericMethodArgs);
typeSystemContext.GetInstantiatedMethod(methodOnInstantiatedType, genericMethodInstantiation);
}
return instantiatedMethod;
}
#endif
}
}
|
