internal bool IsFeatureEnabled(MessageID feature)
{
switch (feature)
{
case MessageID.IDS_FeatureBinaryLiteral:
case MessageID.IDS_FeatureDigitSeparator:
case MessageID.IDS_FeatureLocalFunctions:
case MessageID.IDS_FeatureRefLocalsReturns:
case MessageID.IDS_FeaturePatternMatching:
case MessageID.IDS_FeatureTuples:
case MessageID.IDS_FeatureReplace:
// in "demo" mode enable proposed new C# 7 language features.
if (PreprocessorSymbols.Contains("__DEMO__"))
{
return(true);
}
break;
default:
break;
}
string featureFlag = feature.RequiredFeature();
if (featureFlag != null)
{
return(Features.ContainsKey(featureFlag));
}
LanguageVersion availableVersion = LanguageVersion;
LanguageVersion requiredVersion = feature.RequiredVersion();
return(availableVersion >= requiredVersion);
}
protected PreprocessorSymbolList CreatePreprocessorSymbolList()
{
var preprocessorSymbolList = new PreprocessorSymbolList();
if (PreprocessorSymbols != null)
{
foreach (var s in PreprocessorSymbols.Split(_preprocessorSymbolSeparators, StringSplitOptions.RemoveEmptyEntries))
{
var s2 = s.Trim();
if (s2.Length > 0)
{
preprocessorSymbolList.Add(s2);
}
}
}
return(preprocessorSymbolList);
}
