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@ -7,221 +7,261 @@
@@ -7,221 +7,261 @@
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using System; |
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using System.Collections.Generic; |
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using Debugger.Wrappers.CorDebug; |
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using Debugger.Wrappers.CorSym; |
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using System.IO; |
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namespace Debugger |
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{ |
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[Serializable] |
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public class SourcecodeSegment |
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public class SourcecodeSegment: DebuggerObject |
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{ |
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string moduleFilename; |
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string sourceFullFilename; |
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Module module; |
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string filename; |
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byte[] checkSum; |
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int startLine; |
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int startColumn; |
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int endLine; |
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int endColumn; |
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int ilOffset; |
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ICorDebugFunction corFunction; |
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int ilStart; |
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int ilEnd; |
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int[] stepRanges; |
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internal SourcecodeSegment() |
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{ |
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} |
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public SourcecodeSegment(string sourceFilename, int line) |
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{ |
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this.sourceFullFilename = sourceFilename; |
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this.startLine = line; |
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this.endLine = line; |
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} |
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public SourcecodeSegment(string sourceFilename, int line, int startColumn, int endColumn) |
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{ |
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this.sourceFullFilename = sourceFilename; |
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this.startLine = line; |
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this.endLine = line; |
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this.startColumn = startColumn; |
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this.endColumn = endColumn; |
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} |
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public SourcecodeSegment(string sourceFilename, int startLine, int endLine, int startColumn, int endColumn) |
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{ |
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this.sourceFullFilename = sourceFilename; |
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this.startLine = startLine; |
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this.endLine = endLine; |
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this.startColumn = startColumn; |
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this.endColumn = endColumn; |
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} |
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public string ModuleFilename { |
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get { |
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return moduleFilename; |
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} |
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set { |
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moduleFilename = value; |
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} |
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public Module Module { |
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get { return module; } |
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} |
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public string SourceFullFilename { |
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get { |
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return sourceFullFilename; |
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} |
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set { |
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sourceFullFilename = value; |
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} |
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public string Filename { |
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get { return filename; } |
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} |
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public string SourceFilename { |
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get { |
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return System.IO.Path.GetFileName(sourceFullFilename); |
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} |
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public byte[] CheckSum { |
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get { return checkSum; } |
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} |
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public int StartLine { |
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get { |
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return startLine; |
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} |
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set { |
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startLine = value; |
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} |
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get { return startLine; } |
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} |
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public int StartColumn { |
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get { |
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return startColumn; |
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} |
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set { |
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startColumn = value; |
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} |
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get { return startColumn; } |
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} |
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public int EndLine { |
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get { |
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return endLine; |
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} |
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set { |
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endLine = value; |
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} |
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get { return endLine; } |
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} |
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public int EndColumn { |
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get { |
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return endColumn; |
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} |
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set { |
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endColumn = value; |
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} |
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} |
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public int[] StepRanges { |
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get { |
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return stepRanges; |
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} |
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set { |
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stepRanges = value; |
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} |
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get { return endColumn; } |
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} |
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public int ILOffset { |
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get { |
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return ilOffset; |
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} |
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set { |
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ilOffset = value; |
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} |
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internal ICorDebugFunction CorFunction { |
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get { return corFunction; } |
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} |
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public int ILStart { |
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get { |
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return ilStart; |
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} |
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set { |
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ilStart = value; |
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} |
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get { return ilStart; } |
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} |
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public int ILEnd { |
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get { |
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return ilEnd; |
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} |
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set { |
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ilEnd = value; |
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} |
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get { return ilEnd; } |
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} |
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public int[] StepRanges { |
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get { return stepRanges; } |
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} |
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// Returns true if found
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internal bool GetFunctionAndOffset(Module module, bool normailize, out ICorDebugFunction function, out int ilOffset) |
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private SourcecodeSegment() |
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{ |
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function = null; |
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ilOffset = 0; |
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ISymUnmanagedReader symReader = module.SymReader; |
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if (symReader == null) { |
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return false; // No symbols
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} |
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// Do not use ISymUnmanagedReader.GetDocument! It is broken if two files have the same name
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} |
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static ISymUnmanagedDocument GetSymDocument(Module module, string filename, byte[] checksum) |
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{ |
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if (filename == null) throw new ArgumentNullException("filename"); |
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filename = filename.ToLower(); |
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ISymUnmanagedDocument[] symDocs = module.SymDocuments; |
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ISymUnmanagedDocument symDoc = null; |
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foreach(ISymUnmanagedDocument d in symDocs) { |
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if (d.URL.ToLower() == this.SourceFullFilename.ToLower()) { |
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symDoc = d; |
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// "c:\project\file.cs" N/A
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if (Path.IsPathRooted(filename) && checksum == null) { |
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foreach(ISymUnmanagedDocument symDoc in symDocs) { |
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if (symDoc.URL.ToLower() == filename) return symDoc; |
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} |
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return null; // Not found
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} |
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if (symDoc == null) { |
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return false; // Does not use source file
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// "c:\project\file.cs" 0123456789
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if (Path.IsPathRooted(filename) && checksum != null) { |
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foreach(ISymUnmanagedDocument symDoc in symDocs) { |
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if (symDoc.URL.ToLower() == filename) return symDoc; |
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} |
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// Not found - try to find using checksum
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filename = Path.GetFileName(filename); |
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} |
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uint validLine; |
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try { |
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validLine = symDoc.FindClosestLine((uint)StartLine); |
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} catch { |
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return false; // Not on a vaild point
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// "file.cs" N/A
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if (!Path.IsPathRooted(filename) && checksum == null) { |
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if (!filename.StartsWith(@"\")) { |
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filename = @"\" + filename; |
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} |
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foreach(ISymUnmanagedDocument symDoc in symDocs) { |
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if (symDoc.URL.ToLower().EndsWith(filename)) return symDoc; |
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} |
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return null; // Not found
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} |
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if (validLine != StartLine && normailize) { |
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StartLine = (int)validLine; |
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EndLine = (int)validLine; |
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StartColumn = 0; |
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EndColumn = 0; |
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// "file.cs" 0123456789
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if (!Path.IsPathRooted(filename) && checksum != null) { |
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if (!filename.StartsWith(@"\")) { |
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filename = @"\" + filename; |
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} |
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foreach(ISymUnmanagedDocument symDoc in symDocs) { |
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if (!symDoc.URL.ToLower().EndsWith(filename)) continue; |
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byte[] symDocCheckSum = symDoc.CheckSum; |
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if (symDocCheckSum.Length != checksum.Length) continue; |
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for (int i = 0; i < checksum.Length; i++) { |
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if (symDocCheckSum[i] != checksum[i]) continue; |
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} |
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return symDoc; |
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} |
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return null; // Not found
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} |
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return null; |
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} |
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public static SourcecodeSegment Resolve(Module module, string fileName, byte[] checkSum, int line, int column) |
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{ |
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// Do not use ISymUnmanagedReader.GetDocument! It is broken if two files have the same name
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// Do not use ISymUnmanagedMethod.GetOffset! It sometimes returns negative offset
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ISymUnmanagedReader symReader = module.SymReader; |
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if (symReader == null) return null; // No symbols
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ISymUnmanagedDocument symDoc = GetSymDocument(module, fileName, checkSum); |
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if (symDoc == null) return null; // Document not found
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ISymUnmanagedMethod symMethod; |
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try { |
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symMethod = symReader.GetMethodFromDocumentPosition(symDoc, validLine, 0); |
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//uint validLine = symDoc.FindClosestLine((uint)StartLine);
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symMethod = symReader.GetMethodFromDocumentPosition(symDoc, (uint)line, (uint)column); |
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} catch { |
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return false; //Not found
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return null; //Not found
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} |
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// Do not use ISymUnmanagedMethod.GetOffset! It sometimes returns negative offset
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SequencePoint[] seqPoints = symMethod.SequencePoints; |
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Array.Sort(seqPoints); |
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if (seqPoints.Length == 0) return false; |
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if (this.StartLine < seqPoints[0].Line) return false; |
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if (seqPoints.Length == 0) return null; |
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if (line < seqPoints[0].Line) return null; |
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foreach(SequencePoint sqPoint in seqPoints) { |
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if (sqPoint.Line == 0xFEEFEE) continue; |
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// If the desired breakpoint position is before the end of the sequence point
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if (this.StartLine < sqPoint.EndLine || (this.StartLine == sqPoint.EndLine && this.StartColumn < sqPoint.EndColumn)) { |
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function = module.CorModule.GetFunctionFromToken(symMethod.Token); |
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ilOffset = (int)sqPoint.Offset; |
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startLine = (int)sqPoint.Line; |
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startColumn = (int)sqPoint.Column; |
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endLine = (int)sqPoint.EndLine; |
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endColumn = (int)sqPoint.EndColumn; |
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return true; |
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if (line < sqPoint.EndLine || (line == sqPoint.EndLine && column < sqPoint.EndColumn)) { |
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SourcecodeSegment segment = new SourcecodeSegment(); |
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segment.module = module; |
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segment.filename = symDoc.URL; |
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segment.checkSum = symDoc.CheckSum; |
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segment.startLine = (int)sqPoint.Line; |
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segment.startColumn = (int)sqPoint.Column; |
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segment.endLine = (int)sqPoint.EndLine; |
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segment.endColumn = (int)sqPoint.EndColumn; |
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segment.corFunction = module.CorModule.GetFunctionFromToken(symMethod.Token); |
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segment.ilStart = (int)sqPoint.Offset; |
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segment.ilEnd = (int)sqPoint.Offset; |
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segment.stepRanges = null; |
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return segment; |
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} |
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} |
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return null; |
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} |
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/// <summary>
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/// 'ILStart <= ILOffset <= ILEnd' and this range includes at least
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/// the returned area of source code. (May incude some extra compiler generated IL too)
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/// </summary>
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internal static SourcecodeSegment Resolve(Module module, ICorDebugFunction corFunction, uint offset) |
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{ |
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ISymUnmanagedReader symReader = module.SymReader; |
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if (symReader == null) return null; // No symbols
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ISymUnmanagedMethod symMethod = symReader.GetMethod(corFunction.Token); |
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if (symMethod == null) return null; |
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uint sequencePointCount = symMethod.SequencePointCount; |
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SequencePoint[] sequencePoints = symMethod.SequencePoints; |
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// Get i for which: offsets[i] <= offset < offsets[i + 1]
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// or fallback to first element if offset < offsets[0]
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for (int i = (int)sequencePointCount - 1; i >= 0; i--) { // backwards
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if (sequencePoints[i].Offset <= offset || i == 0) { |
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// Set inforamtion about current IL range
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int codeSize = (int)corFunction.ILCode.Size; |
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int ilStart = (int)sequencePoints[i].Offset; |
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int ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i+1].Offset : codeSize; |
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// 0xFeeFee means "code generated by compiler"
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// If we are in generated sequence use to closest real one instead,
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// extend the ILStart and ILEnd to include the 'real' sequence
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// Look ahead for 'real' sequence
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while (i + 1 < sequencePointCount && sequencePoints[i].Line == 0xFeeFee) { |
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i++; |
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ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i+1].Offset : codeSize; |
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} |
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// Look back for 'real' sequence
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while (i - 1 >= 0 && sequencePoints[i].Line == 0xFeeFee) { |
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i--; |
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ilStart = (int)sequencePoints[i].Offset; |
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} |
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// Wow, there are no 'real' sequences
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if (sequencePoints[i].Line == 0xFeeFee) { |
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return null; |
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} |
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List<int> stepRanges = new List<int>(); |
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for (int j = 0; j < sequencePointCount; j++) { |
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// Step over compiler generated sequences and current statement
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// 0xFeeFee means "code generated by compiler"
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if (sequencePoints[j].Line == 0xFeeFee || j == i) { |
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// Add start offset or remove last end (to connect two ranges into one)
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if (stepRanges.Count > 0 && stepRanges[stepRanges.Count - 1] == sequencePoints[j].Offset) { |
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stepRanges.RemoveAt(stepRanges.Count - 1); |
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} else { |
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stepRanges.Add((int)sequencePoints[j].Offset); |
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} |
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// Add end offset | handle last sequence point
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if (j + 1 < sequencePointCount) { |
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stepRanges.Add((int)sequencePoints[j+1].Offset); |
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} else { |
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stepRanges.Add(codeSize); |
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} |
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} |
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} |
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SourcecodeSegment segment = new SourcecodeSegment(); |
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segment.module = module; |
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segment.filename = sequencePoints[i].Document.URL; |
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segment.checkSum = sequencePoints[i].Document.CheckSum; |
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segment.startLine = (int)sequencePoints[i].Line; |
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segment.startColumn = (int)sequencePoints[i].Column; |
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segment.endLine = (int)sequencePoints[i].EndLine; |
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segment.endColumn = (int)sequencePoints[i].EndColumn; |
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segment.corFunction = corFunction; |
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segment.ilStart = ilStart; |
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segment.ilEnd = ilEnd; |
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segment.stepRanges = stepRanges.ToArray(); |
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return segment; |
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} |
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} |
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return false; |
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return null; |
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} |
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public override string ToString() |
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{ |
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return string.Format("Start={0},{1} End={2},{3}", this.startLine, this.startColumn, this.endLine, this.endColumn); |
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return string.Format("{0}:{1},{2}-{3},{4}", Path.GetFileName(this.Filename), this.startLine, this.startColumn, this.endLine, this.endColumn); |
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} |
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} |
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} |
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David Srbecký
17 years ago