45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
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// dnlib: See LICENSE.txt for more info
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using System.IO;
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using dnlib.DotNet.Pdb.Symbols;
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using dnlib.IO;
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namespace dnlib.DotNet.Pdb.Managed {
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/// <summary>
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/// Creates a <see cref="SymbolReader"/> instance
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/// </summary>
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static class SymbolReaderFactory {
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/// <summary>
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/// Creates a new <see cref="SymbolReader"/> instance
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/// </summary>
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/// <param name="pdbContext">PDB context</param>
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/// <param name="pdbStream">PDB file stream which is now owned by this method</param>
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/// <returns>A new <see cref="SymbolReader"/> instance or <c>null</c>.</returns>
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public static SymbolReader Create(PdbReaderContext pdbContext, DataReaderFactory pdbStream) {
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if (pdbStream is null)
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return null;
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try {
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var debugDir = pdbContext.CodeViewDebugDirectory;
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if (debugDir is null)
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return null;
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if (!pdbContext.TryGetCodeViewData(out var pdbGuid, out uint age))
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return null;
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var pdbReader = new PdbReader(pdbGuid, age);
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pdbReader.Read(pdbStream.CreateReader());
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if (pdbReader.MatchesModule)
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return pdbReader;
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return null;
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}
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catch (PdbException) {
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}
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catch (IOException) {
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}
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finally {
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pdbStream?.Dispose();
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}
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return null;
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}
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}
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}
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