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Viewing changes to contrib/Mono.Cecil/Mono.Cecil.Mdb/Mono.Cecil.MdbOld/MdbReader.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2010-02-02 11:39:59 UTC
  • mfrom: (1.2.6 upstream) (1.3.7 sid)
  • Revision ID: james.westby@ubuntu.com-20100202113959-s4exdz7er7igylz2
Tags: 2.2.1+dfsg-1
* New upstream release
* debian/control:
  + Standards version 3.8.4 (no changes needed)
* debian/patches/remove_support_for_non_debian_functionality.patch,
  debian/patches/remove_support_for_soft_debugger.patch,
  debian/patches/remove_support_for_moonlight.patch,
  debian/rules:
  + Split patch into two pieces, to make it easier to enable either
    SDB or Moonlight support with a rebuild
* debian/monodevelop-moonlight.install,
  debian/monodevelop-debugger-sdb.install,
  debian/control:
  + Create packaging data for the Soft Debugger addin and Moonlight addin -
    and comment them out of debian/control as we can't provide them on
    Debian for now

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contrib/Mono.Cecil/Mono.Cecil.Mdb/Mono.Cecil.MdbOld/MdbReader.cs
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//
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// MdbReader.cs
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//
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// Author:
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//   Jb Evain (jbevain@gmail.com)
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//
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// (C) 2006 Jb Evain
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//
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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
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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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.
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//
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namespace Mono.Cecil.MdbOld {
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        using System.Collections;
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        using Mono.Cecil.Cil;
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        using Mono.CompilerServices.SymbolWriterOld;
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        class MdbReader : ISymbolReader {
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                MonoSymbolFile m_symFile;
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                Hashtable m_documents;
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                Hashtable m_scopes;
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                public MdbReader (MonoSymbolFile symFile)
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                {
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                        m_symFile = symFile;
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                        m_documents = new Hashtable ();
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                        m_scopes = new Hashtable ();
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                }
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                Instruction GetInstruction (MethodBody body, IDictionary instructions, int offset)
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                {
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                        Instruction instr = (Instruction) instructions [offset];
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                        if (instr != null)
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                                return instr;
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                        return body.Instructions.Outside;
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                }
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                public void Read (MethodBody body, IDictionary instructions)
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                {
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                        MethodEntry entry = m_symFile.GetMethodByToken ((int) body.Method.MetadataToken.ToUInt ());
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                        if (entry == null)
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                                return;
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                        ReadScopes (entry, body, instructions);
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                        ReadLineNumbers (entry, instructions);
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                        ReadLocalVariables (entry, body);
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                }
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                void ReadLocalVariables (MethodEntry entry, MethodBody body)
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                {
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                        foreach (LocalVariableEntry loc in entry.Locals) {
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                                VariableDefinition var = body.Variables [loc.Index];
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                                var.Name = loc.Name;
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                                Scope scope = m_scopes [loc.BlockIndex] as Scope;
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                                if (scope == null)
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                                        continue;
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                                scope.Variables.Add (var);
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                        }
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                }
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                void ReadLineNumbers (MethodEntry entry, IDictionary instructions)
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                {
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                        foreach (LineNumberEntry line in entry.LineNumbers) {
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                                Instruction instr = instructions [line.Offset] as Instruction;
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                                if (instr == null)
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                                        continue;
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                                Document doc = GetDocument (entry.SourceFile);
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                                instr.SequencePoint = new SequencePoint (doc);
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                                instr.SequencePoint.StartLine = line.Row;
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                                instr.SequencePoint.EndLine = line.Row;
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                        }
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                }
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                Document GetDocument (SourceFileEntry file)
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                {
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                        Document doc = m_documents [file.FileName] as Document;
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                        if (doc != null)
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                                return doc;
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                        doc = new Document (file.FileName);
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                        m_documents [file.FileName] = doc;
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                        return doc;
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                }
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                void ReadScopes (MethodEntry entry, MethodBody body, IDictionary instructions)
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                {
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                        foreach (LexicalBlockEntry scope in entry.LexicalBlocks) {
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                                Scope s = new Scope ();
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                                s.Start = GetInstruction (body, instructions, scope.StartOffset);
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                                s.End = GetInstruction(body, instructions, scope.EndOffset);
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                                m_scopes [scope.Index] = s;
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                                if (!AddScope (body, s))
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                                        body.Scopes.Add (s);
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                        }
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                }
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                bool AddScope (IScopeProvider provider, Scope s)
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                {
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                        foreach (Scope scope in provider.Scopes) {
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                                if (AddScope (scope, s))
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                                        return true;
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                                if (s.Start.Offset >= scope.Start.Offset && s.End.Offset <= scope.End.Offset) {
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                                        scope.Scopes.Add (s);
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                                        return true;
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                                }
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                        }
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                        return false;
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                }
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                public void Dispose ()
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                {
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                        m_symFile.Dispose ();
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                }
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        }
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}