public ParseOptions WithLanguageVersion(ParseOptions options, string version)
{
var csharpOptions = (CSharpParseOptions)options;
Contract.ThrowIfFalse(LanguageVersionFacts.TryParse(version, out var newVersion));
return(csharpOptions.WithLanguageVersion(newVersion));
}
public override ParseOptions TryParsePdbParseOptions(IReadOnlyDictionary <string, string> metadata)
{
if (!metadata.TryGetValue("language-version", out var langVersionString) ||
!LanguageVersionFacts.TryParse(langVersionString, out var langVersion))
{
langVersion = LanguageVersion.Default;
}
return(new CSharpParseOptions(
languageVersion: langVersion,
preprocessorSymbols: metadata.TryGetValue("define", out var defines) ? defines.Split(',') : null));
}
