3 // Copyright (c) Microsoft Corporation. All rights reserved.
6 // <OWNER>[....]</OWNER>
10 using System.Globalization;
11 using System.Collections.Generic;
12 using System.Diagnostics.Contracts;
14 namespace System.Reflection
17 [System.Runtime.InteropServices.ComVisible(true)]
18 public enum ExceptionHandlingClauseOptions: int
26 [System.Runtime.InteropServices.ComVisible(true)]
27 public class ExceptionHandlingClause
30 // This class can only be created from inside the EE.
31 protected ExceptionHandlingClause() { }
34 #region Private Data Members
35 private MethodBody m_methodBody;
36 [ContractPublicPropertyName("Flags")]
37 private ExceptionHandlingClauseOptions m_flags;
38 private int m_tryOffset;
39 private int m_tryLength;
40 private int m_handlerOffset;
41 private int m_handlerLength;
42 private int m_catchMetadataToken;
43 private int m_filterOffset;
46 #region Public Members
47 public virtual ExceptionHandlingClauseOptions Flags { get { return m_flags; } }
48 public virtual int TryOffset { get { return m_tryOffset; } }
49 public virtual int TryLength { get { return m_tryLength; } }
50 public virtual int HandlerOffset { get { return m_handlerOffset; } }
51 public virtual int HandlerLength { get { return m_handlerLength; } }
53 public virtual int FilterOffset
57 if (m_flags != ExceptionHandlingClauseOptions.Filter)
58 throw new InvalidOperationException(Environment.GetResourceString("Arg_EHClauseNotFilter"));
60 return m_filterOffset;
64 public virtual Type CatchType
68 if (m_flags != ExceptionHandlingClauseOptions.Clause)
69 throw new InvalidOperationException(Environment.GetResourceString("Arg_EHClauseNotClause"));
73 if (!MetadataToken.IsNullToken(m_catchMetadataToken))
75 Type declaringType = m_methodBody.m_methodBase.DeclaringType;
76 Module module = (declaringType == null) ? m_methodBody.m_methodBase.Module : declaringType.Module;
77 type = module.ResolveType(m_catchMetadataToken, (declaringType == null) ? null : declaringType.GetGenericArguments(),
78 m_methodBody.m_methodBase is MethodInfo ? m_methodBody.m_methodBase.GetGenericArguments() : null);
86 #region Object Overrides
87 public override string ToString()
89 if (Flags == ExceptionHandlingClauseOptions.Clause)
91 return String.Format(CultureInfo.CurrentUICulture,
92 "Flags={0}, TryOffset={1}, TryLength={2}, HandlerOffset={3}, HandlerLength={4}, CatchType={5}",
93 Flags, TryOffset, TryLength, HandlerOffset, HandlerLength, CatchType);
96 if (Flags == ExceptionHandlingClauseOptions.Filter)
98 return String.Format(CultureInfo.CurrentUICulture,
99 "Flags={0}, TryOffset={1}, TryLength={2}, HandlerOffset={3}, HandlerLength={4}, FilterOffset={5}",
100 Flags, TryOffset, TryLength, HandlerOffset, HandlerLength, FilterOffset);
103 return String.Format(CultureInfo.CurrentUICulture,
104 "Flags={0}, TryOffset={1}, TryLength={2}, HandlerOffset={3}, HandlerLength={4}",
105 Flags, TryOffset, TryLength, HandlerOffset, HandlerLength);
111 [System.Runtime.InteropServices.ComVisible(true)]
112 public class MethodBody
115 // This class can only be created from inside the EE.
116 protected MethodBody() { }
119 #region Private Data Members
121 private ExceptionHandlingClause[] m_exceptionHandlingClauses;
122 private LocalVariableInfo[] m_localVariables;
123 internal MethodBase m_methodBase;
124 private int m_localSignatureMetadataToken;
125 private int m_maxStackSize;
126 private bool m_initLocals;
129 #region Public Members
130 public virtual int LocalSignatureMetadataToken { get { return m_localSignatureMetadataToken; } }
131 public virtual IList<LocalVariableInfo> LocalVariables { get { return Array.AsReadOnly(m_localVariables); } }
132 public virtual int MaxStackSize { get { return m_maxStackSize; } }
133 public virtual bool InitLocals { get { return m_initLocals; } }
134 public virtual byte[] GetILAsByteArray() { return m_IL; }
135 public virtual IList<ExceptionHandlingClause> ExceptionHandlingClauses { get { return Array.AsReadOnly(m_exceptionHandlingClauses); } }
139 [System.Runtime.InteropServices.ComVisible(true)]
140 public class LocalVariableInfo
142 #region Private Data Members
143 private RuntimeType m_type;
144 private int m_isPinned;
145 private int m_localIndex;
149 protected LocalVariableInfo() { }
152 #region Object Overrides
153 public override string ToString()
155 string toString = LocalType.ToString() + " (" + LocalIndex + ")";
158 toString += " (pinned)";
164 #region Public Members
165 public virtual Type LocalType { get { Contract.Assert(m_type != null, "type must be set!"); return m_type; } }
166 public virtual bool IsPinned { get { return m_isPinned != 0; } }
167 public virtual int LocalIndex { get { return m_localIndex; } }