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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Parser/mcs/symbolwriter.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/nrefactory/ICSharpCode.NRefactory.CSharp/Parser/mcs/symbolwriter.cs
 
1
//
 
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// symbolwriter.cs: The debug symbol writer
 
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//
 
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// Authors: Martin Baulig (martin@ximian.com)
 
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//          Marek Safar (marek.safar@gmail.com)
 
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//
 
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// Dual licensed under the terms of the MIT X11 or GNU GPL
 
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//
 
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// Copyright 2003 Ximian, Inc (http://www.ximian.com)
 
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// Copyright 2004-2010 Novell, Inc
 
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//
 
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using System;
 
14
 
 
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#if STATIC
 
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using IKVM.Reflection;
 
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using IKVM.Reflection.Emit;
 
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#else
 
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using System.Reflection;
 
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using System.Reflection.Emit;
 
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#endif
 
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using Mono.CompilerServices.SymbolWriter;
 
24
 
 
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namespace Mono.CSharp
 
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{
 
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        static class SymbolWriter
 
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        {
 
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#if !NET_4_0 && !STATIC
 
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                delegate int GetILOffsetFunc (ILGenerator ig);
 
31
                static GetILOffsetFunc get_il_offset_func;
 
32
 
 
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                delegate Guid GetGuidFunc (ModuleBuilder mb);
 
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                static GetGuidFunc get_guid_func;
 
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                static void Initialize ()
 
37
                {
 
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                        var mi = typeof (ILGenerator).GetMethod (
 
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                                "Mono_GetCurrentOffset",
 
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                                BindingFlags.Static | BindingFlags.NonPublic);
 
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                        if (mi == null)
 
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                                throw new MissingMethodException ("Mono_GetCurrentOffset");
 
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                        get_il_offset_func = (GetILOffsetFunc) System.Delegate.CreateDelegate (
 
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                                typeof (GetILOffsetFunc), mi);
 
46
 
 
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                        mi = typeof (ModuleBuilder).GetMethod (
 
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                                "Mono_GetGuid",
 
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                                BindingFlags.Static | BindingFlags.NonPublic);
 
50
                        if (mi == null)
 
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                                throw new MissingMethodException ("Mono_GetGuid");
 
52
 
 
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                        get_guid_func = (GetGuidFunc) System.Delegate.CreateDelegate (
 
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                                typeof (GetGuidFunc), mi);
 
55
                }
 
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#endif
 
57
 
 
58
                static int GetILOffset (ILGenerator ig)
 
59
                {
 
60
#if NET_4_0 || STATIC
 
61
                        return ig.ILOffset;
 
62
#else
 
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                        if (get_il_offset_func == null)
 
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                                Initialize ();
 
65
 
 
66
                        return get_il_offset_func (ig);
 
67
#endif
 
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                }
 
69
 
 
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                public static Guid GetGuid (ModuleBuilder module)
 
71
                {
 
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#if NET_4_0 || STATIC
 
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                        return module.ModuleVersionId;
 
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#else
 
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                        if (get_guid_func == null)
 
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                                Initialize ();
 
77
 
 
78
                        return get_guid_func (module);
 
79
#endif
 
80
                }
 
81
 
 
82
                public static bool HasSymbolWriter {
 
83
                        get { return symwriter != null; }
 
84
                }
 
85
 
 
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                public static MonoSymbolWriter symwriter;
 
87
 
 
88
                public static void DefineLocalVariable (string name, LocalBuilder builder)
 
89
                {
 
90
                        if (symwriter != null) {
 
91
                                symwriter.DefineLocalVariable (builder.LocalIndex, name);
 
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                        }
 
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                }
 
94
 
 
95
                public static SourceMethodBuilder OpenMethod (ICompileUnit file, IMethodDef method)
 
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                {
 
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                        if (symwriter != null)
 
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                                return symwriter.OpenMethod (file, -1 /* Not used */, method);
 
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                        else
 
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                                return null;
 
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                }
 
102
 
 
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                public static void CloseMethod ()
 
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                {
 
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                        if (symwriter != null)
 
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                                symwriter.CloseMethod ();
 
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                }
 
108
 
 
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                public static int OpenScope (ILGenerator ig)
 
110
                {
 
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                        if (symwriter != null) {
 
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                                int offset = GetILOffset (ig);
 
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                                return symwriter.OpenScope (offset);
 
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                        } else {
 
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                                return -1;
 
116
                        }
 
117
                }
 
118
 
 
119
                public static void CloseScope (ILGenerator ig)
 
120
                {
 
121
                        if (symwriter != null) {
 
122
                                int offset = GetILOffset (ig);
 
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                                symwriter.CloseScope (offset);
 
124
                        }
 
125
                }
 
126
 
 
127
                public static void DefineAnonymousScope (int id)
 
128
                {
 
129
                        if (symwriter != null)
 
130
                                symwriter.DefineAnonymousScope (id);
 
131
                }
 
132
 
 
133
                public static void DefineScopeVariable (int scope, LocalBuilder builder)
 
134
                {
 
135
                        if (symwriter != null) {
 
136
                                symwriter.DefineScopeVariable (scope, builder.LocalIndex);
 
137
                        }
 
138
                }
 
139
 
 
140
                public static void DefineScopeVariable (int scope)
 
141
                {
 
142
                        if (symwriter != null)
 
143
                                symwriter.DefineScopeVariable (scope, -1);
 
144
                }
 
145
 
 
146
                public static void DefineCapturedLocal (int scope_id, string name,
 
147
                                                        string captured_name)
 
148
                {
 
149
                        if (symwriter != null)
 
150
                                symwriter.DefineCapturedLocal (scope_id, name, captured_name);
 
151
                }
 
152
 
 
153
                public static void DefineCapturedParameter (int scope_id, string name,
 
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                                                            string captured_name)
 
155
                {
 
156
                        if (symwriter != null)
 
157
                                symwriter.DefineCapturedParameter (scope_id, name, captured_name);
 
158
                }
 
159
 
 
160
                public static void DefineCapturedThis (int scope_id, string captured_name)
 
161
                {
 
162
                        if (symwriter != null)
 
163
                                symwriter.DefineCapturedThis (scope_id, captured_name);
 
164
                }
 
165
 
 
166
                public static void DefineCapturedScope (int scope_id, int id, string captured_name)
 
167
                {
 
168
                        if (symwriter != null)
 
169
                                symwriter.DefineCapturedScope (scope_id, id, captured_name);
 
170
                }
 
171
 
 
172
                public static void OpenCompilerGeneratedBlock (EmitContext ec)
 
173
                {
 
174
                        if (symwriter != null) {
 
175
                                int offset = GetILOffset (ec.ig);
 
176
                                symwriter.OpenCompilerGeneratedBlock (offset);
 
177
                        }
 
178
                }
 
179
 
 
180
                public static void CloseCompilerGeneratedBlock (EmitContext ec)
 
181
                {
 
182
                        if (symwriter != null) {
 
183
                                int offset = GetILOffset (ec.ig);
 
184
                                symwriter.CloseCompilerGeneratedBlock (offset);
 
185
                        }
 
186
                }
 
187
 
 
188
                public static void StartIteratorBody (EmitContext ec)
 
189
                {
 
190
                        if (symwriter != null) {
 
191
                                int offset = GetILOffset (ec.ig);
 
192
                                symwriter.StartIteratorBody (offset);
 
193
                        }
 
194
                }
 
195
 
 
196
                public static void EndIteratorBody (EmitContext ec)
 
197
                {
 
198
                        if (symwriter != null) {
 
199
                                int offset = GetILOffset (ec.ig);
 
200
                                symwriter.EndIteratorBody (offset);
 
201
                        }
 
202
                }
 
203
 
 
204
                public static void StartIteratorDispatcher (EmitContext ec)
 
205
                {
 
206
                        if (symwriter != null) {
 
207
                                int offset = GetILOffset (ec.ig);
 
208
                                symwriter.StartIteratorDispatcher (offset);
 
209
                        }
 
210
                }
 
211
 
 
212
                public static void EndIteratorDispatcher (EmitContext ec)
 
213
                {
 
214
                        if (symwriter != null) {
 
215
                                int offset = GetILOffset (ec.ig);
 
216
                                symwriter.EndIteratorDispatcher (offset);
 
217
                        }
 
218
                }
 
219
 
 
220
                public static void MarkSequencePoint (ILGenerator ig, Location loc)
 
221
                {
 
222
                        if (symwriter != null) {
 
223
                                SourceFileEntry file = loc.SourceFile.SourceFileEntry;
 
224
                                int offset = GetILOffset (ig);
 
225
                                symwriter.MarkSequencePoint (offset, file, loc.Row, loc.Column, false);
 
226
                        }
 
227
                }
 
228
 
 
229
                public static void Reset ()
 
230
                {
 
231
                        symwriter = null;
 
232
                }
 
233
        }
 
234
}