public LanguageContext GetLanguageByTypeName(string providerAssemblyQualifiedTypeName)
{
ContractUtils.RequiresNotNull(providerAssemblyQualifiedTypeName, nameof(providerAssemblyQualifiedTypeName));
var aqtn = AssemblyQualifiedTypeName.ParseArgument(providerAssemblyQualifiedTypeName, nameof(providerAssemblyQualifiedTypeName));
if (!Configuration.TryLoadLanguage(this, aqtn, out LanguageContext language))
{
throw Error.UnknownLanguageProviderType();
}
return(language);
}
internal void AddLanguage(string languageTypeName, string displayName, IList <string> names, IList <string> fileExtensions,
IDictionary <string, object> options, string paramName)
{
ContractUtils.Requires(!_frozen, "Configuration cannot be modified once the runtime is initialized");
ContractUtils.Requires(
names.TrueForAll((id) => !String.IsNullOrEmpty(id) && !_languageNames.ContainsKey(id)),
paramName ?? "names",
"Language name should not be null, empty or duplicated between languages"
);
ContractUtils.Requires(
fileExtensions.TrueForAll((ext) => !String.IsNullOrEmpty(ext) && !_languageExtensions.ContainsKey(ext)),
paramName ?? "fileExtensions",
"File extension should not be null, empty or duplicated between languages"
);
ContractUtils.RequiresNotNull(displayName, paramName ?? "displayName");
if (string.IsNullOrEmpty(displayName))
{
ContractUtils.Requires(names.Count > 0, paramName ?? "displayName", "Must have a non-empty display name or a a non-empty list of language names");
displayName = names[0];
}
var aqtn = AssemblyQualifiedTypeName.ParseArgument(languageTypeName, paramName ?? "languageTypeName");
if (_languageConfigurations.ContainsKey(aqtn))
{
throw new ArgumentException(string.Format("Duplicate language with type name '{0}'", aqtn), "languageTypeName");
}
// Add global language options first, they can be rewritten by language specific ones:
var mergedOptions = new Dictionary <string, object>(_options);
// Replace global options with language-specific options
foreach (var option in options)
{
mergedOptions[option.Key] = option.Value;
}
var config = new LanguageConfiguration(aqtn, displayName, mergedOptions);
_languageConfigurations.Add(aqtn, config);
// allow duplicate ids in identifiers and extensions lists:
foreach (var name in names)
{
_languageNames[name] = config;
}
foreach (var ext in fileExtensions)
{
_languageExtensions[NormalizeExtension(ext)] = config;
}
}