/// <nodoc />
public PredefinedTypes(PrimitiveTypes knownTypes)
{
Contract.Requires(knownTypes != null);
AllAmbientDefinitions = new Dictionary <Type, AmbientDefinitionBase>
{
[typeof(ArrayLiteral)] = AmbientArray = new AmbientArray(knownTypes),
[typeof(DirectoryArtifact)] = m_ambientDirectory = new AmbientDirectory(knownTypes),
[typeof(EnumValue)] = m_ambientEnum = new AmbientEnum(knownTypes),
[typeof(FileArtifact)] = m_ambientFile = new AmbientFile(knownTypes),
[typeof(ObjectLiteral)] = AmbientObject = new AmbientObject(knownTypes),
[typeof(ObjectLiteral0)] = AmbientObject,
[typeof(ObjectLiteralSlim)] = AmbientObject,
[typeof(ObjectLiteralN)] = AmbientObject,
[typeof(AbsolutePath)] = m_ambientPath = new AmbientPath(knownTypes),
[typeof(StaticDirectory)] = m_ambientStaticDirectory = new AmbientStaticDirectory(knownTypes),
[typeof(string)] = m_ambientString = new AmbientString(knownTypes),
[typeof(AmbientStringBuilder.StringBuilderWrapper)] = m_ambientStringBuilder = new AmbientStringBuilder(knownTypes),
[typeof(int)] = m_ambientNumber = new AmbientNumber(knownTypes),
[typeof(UnitValue)] = m_ambientUnit = new AmbientUnit(knownTypes),
[typeof(bool)] = m_ambientBoolean = new AmbientBoolean(knownTypes),
[typeof(OrderedMap)] = m_ambientMap = new AmbientMap(knownTypes),
[typeof(OrderedSet)] = m_ambientSet = new AmbientSet(knownTypes),
[typeof(MutableSet)] = m_ambientMutableSet = new AmbientMutableSet(knownTypes),
[typeof(PathAtom)] = m_ambientPathAtom = new AmbientPathAtom(knownTypes),
[typeof(RelativePath)] = m_ambientRelativePath = new AmbientRelativePath(knownTypes),
// the ones below don't define any 'instance' methods, thus are not associated with a "real" object type,
// i.e., a type that is going to be encountered during a DScript evaluation.
[typeof(Dummy)] = m_ambientContext = new AmbientContext(knownTypes),
[typeof(Dummy)] = m_ambientDebug = new AmbientDebug(knownTypes),
[typeof(Dummy)] = m_ambientContract = new AmbientContract(knownTypes),
[typeof(Dummy)] = m_ambientGlobal = new AmbientGlobal(knownTypes),
[typeof(Dummy)] = m_ambientMath = new AmbientMath(knownTypes),
[typeof(Dummy)] = m_ambientTransformerOriginal = new AmbientTransformerOriginal(knownTypes),
[typeof(Dummy)] = m_ambientTransformerHack = new AmbientTransformerHack(knownTypes),
[typeof(Dummy)] = m_ambientEnvironment = new AmbientEnvironment(knownTypes),
[typeof(Dummy)] = m_ambientArgumentKind = new AmbientArgumentKind(knownTypes),
[typeof(Dummy)] = m_ambientArtifactKind = new AmbientArtifactKind(knownTypes),
[typeof(Dummy)] = m_ambientTextEncoding = new AmbientTextEncoding(knownTypes),
[typeof(Dummy)] = m_ambientNameResolutionSemantics = new AmbientNameResolutionSemantics(knownTypes),
[typeof(Dummy)] = m_ambientKeyForm = new AmbientKeyForm(knownTypes),
[typeof(Dummy)] = m_ambientSealSourceDirectoryOption = new AmbientSealSourceDirectoryOption(knownTypes),
[typeof(Dummy)] = m_ambientHashHelper = new AmbientHashing(knownTypes),
[typeof(Dummy)] = m_ambientValueCacheHelper = new AmbientValueCache(knownTypes),
[typeof(Dummy)] = m_ambientJsonHelper = new AmbientJson(knownTypes),
[typeof(Dummy)] = m_ambientXmlHelper = new AmbientXml(knownTypes),
[typeof(Dummy)] = m_ambientContainerIsolationLevel = new AmbientContainerIsolationLevel(knownTypes),
[typeof(Dummy)] = m_ambientUnsafe = new AmbientUnsafe(knownTypes),
};
}
/// <summary>
/// Replaces the name of each environment variable embedded in the specified path with the string equivalent of the value of the variable.
/// Replacement only occurs for environment variables that are set. Unset environment variables are left unexpanded.
/// </summary>
private static EvaluationResult ExpandEnvironmentVariablesInPath(Context context, ModuleLiteral env, EvaluationStackFrame args)
{
var path = Args.AsPath(args, 0);
var pathAsString = path.ToString(context.PathTable);
if (StringVariableExpander.TryExpandVariablesInString(pathAsString, context.FrontEndHost.Engine, out string expandedPath))
{
// The resulting expanded path may not be a valid one. Apply the same validations as when creating an absolute path from a literal
return(AmbientPath.CreateFromAbsolutePathString(context, expandedPath));
}
// No expansion occurred
return(EvaluationResult.Create(path));
}