/// <summary>
/// Gets the location of a source file that contains the declaration of a method, or
/// unknown if not available.
/// </summary>
/// <param name="method">The method.</param>
/// <returns>The source location, or <see cref="CodeLocation.Unknown" /> if unknown.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="method"/> is null.</exception>
public static CodeLocation GetSourceLocation(MethodBase method)
{
if (method == null)
{
throw new ArgumentNullException("method");
}
Assembly assembly = method.DeclaringType.Assembly;
string assemblyPath = AssemblyUtils.GetAssemblyLocation(assembly); // use the shadow-copied location if applicable
if (assemblyPath == null)
{
return(CodeLocation.Unknown);
}
if (AppDomain.CurrentDomain.ShadowCopyFiles)
{
try
{
string pdbPath = Path.ChangeExtension(assemblyPath, @".pdb");
if (!File.Exists(pdbPath))
{
string originalAssemblyPath = AssemblyUtils.GetAssemblyLocalPath(assembly);
if (originalAssemblyPath == null)
{
return(CodeLocation.Unknown);
}
string originalPdbPath = Path.ChangeExtension(originalAssemblyPath, @".pdb");
if (!File.Exists(originalPdbPath))
{
return(CodeLocation.Unknown);
}
File.Copy(originalPdbPath, pdbPath);
}
}
catch (IOException)
{
return(CodeLocation.Unknown);
}
}
return(Resolver.GetSourceLocationForMethod(assemblyPath, method.MetadataToken));
}
