/// <summary>
/// Obtain the original source code file and line number for the given
/// IL offset in a method identified by a unique metadata token.
/// </summary>
/// <param name="methodMetadataToken"></param>
/// <param name="ilOffset"></param>
/// <returns></returns>
/// <remarks>
/// Metadata token is stored in the PDB file for each method. Additionally
/// it can always be retrieved from MethodInfo via reflection. Exception
/// report saves a meatdata token for each method in the stack trace.
/// </remarks>
public SourceLocation GetSourceLoc(int methodMetadataToken, int ilOffset)
{
IDiaSymbol symMethod;
_session.findSymbolByToken((uint)methodMetadataToken, SymTagEnum.SymTagFunction, out symMethod);
var rvaMethod = symMethod.relativeVirtualAddress;
rvaMethod += (uint)ilOffset;
IDiaEnumLineNumbers lineNumbers;
_session.findLinesByRVA(rvaMethod, 1, out lineNumbers);
foreach (IDiaLineNumber ln in lineNumbers)
{
var sourceFile = ln.sourceFile;
return(new SourceLocation()
{
LineNumber = ln.lineNumber, SourceFile = (sourceFile == null) ? null : sourceFile.fileName
});
}
return(null);
}