/// <summary>
/// This code works around dotnet/roslyn#6596 by using reflection APIs to bypass the problematic method while
/// reading the content of an <see cref="AdditionalText"/> file. If the reflection approach fails, the code
/// falls back to the previous behavior.
/// </summary>
/// <param name="additionalText">The additional text to read.</param>
/// <param name="cancellationToken">The cancellation token that the operation will observe.</param>
/// <returns>The content of the additional text file.</returns>
private static SourceText GetText(AdditionalText additionalText, CancellationToken cancellationToken)
{
if (AvoidAdditionalTextGetText)
{
object document = GetField(additionalText, "_document");
if (document != null)
{
object textSource = GetField(document, "textSource");
if (textSource != null)
{
object textAndVersion = CallMethod(textSource, "GetValue", new[] { typeof(CancellationToken) }, cancellationToken);
if (textAndVersion != null)
{
SourceText text = GetProperty(textAndVersion, "Text") as SourceText;
if (text != null)
{
return text;
}
}
}
}
}
return additionalText.GetText(cancellationToken);
}
private Dictionary<string, string> ParseAdditionalFile(AdditionalText additionalFile)
{
Dictionary<string, string> parsedPinvokes = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
if (additionalFile == null) return parsedPinvokes;
SourceText fileContents = additionalFile.GetText();
foreach (TextLine line in fileContents.Lines)
{
string lineStr = line.ToString();
if (!string.IsNullOrWhiteSpace(lineStr) && !lineStr.StartsWith("<!--"))
{
string[] splitCount = lineStr.Split('!');
if (splitCount.Length == 2 || splitCount.Length == 3)
{
parsedPinvokes[splitCount[1]] = splitCount[0];
if (splitCount.Length == 3)
{
_isNotSupportedOnWin7.Add(splitCount[1]);
}
}
}
}
return parsedPinvokes;
}
public GeneratorDriver ReplaceAdditionalText(AdditionalText oldText, AdditionalText newText)
{
if (oldText is null)
{
throw new ArgumentNullException(nameof(oldText));
}
if (newText is null)
{
throw new ArgumentNullException(nameof(newText));
}
var newState = _state.With(additionalTexts: _state.AdditionalTexts.Replace(oldText, newText));
return(FromState(newState));
}
public override AnalyzerConfigOptions GetOptions(AdditionalText textFile)
{
// TODO: correctly find the file path, since it looks like we give this the document's .Name under the covers if we don't have one
return(new WorkspaceAnalyzerConfigOptions(_projectState._lazyAnalyzerConfigSet.GetValue(CancellationToken.None).GetOptionsForSourcePath(textFile.Path)));
}
private static bool TryGetApiText(ImmutableArray<AdditionalText> additionalTexts, CancellationToken cancellationToken, out AdditionalText shippedText, out AdditionalText unshippedText)
{
shippedText = null;
unshippedText = null;
var comparer = StringComparer.Ordinal;
foreach (var text in additionalTexts)
{
cancellationToken.ThrowIfCancellationRequested();
var fileName = Path.GetFileName(text.Path);
if (comparer.Equals(fileName, ShippedFileName))
{
shippedText = text;
continue;
}
if (comparer.Equals(fileName, UnshippedFileName))
{
unshippedText = text;
continue;
}
}
return shippedText != null && unshippedText != null;
}
public AdditionalFileAddedEdit(AdditionalText addedText)
{
AddedText = addedText;
}