private Namespace ParseNamespace(TokenStream tokens, TopLevelConstruct owner, FileScope fileScope)
{
Token namespaceToken = tokens.PopExpected(this.parser.Keywords.NAMESPACE);
Token first = tokens.Pop();
this.parser.VerifyIdentifier(first);
List <Token> namespacePieces = new List <Token>()
{
first
};
string namespaceBuilder = first.Value;
parser.RegisterNamespace(namespaceBuilder);
while (tokens.PopIfPresent("."))
{
Token nsToken = tokens.Pop();
this.parser.VerifyIdentifier(nsToken);
namespacePieces.Add(nsToken);
namespaceBuilder += "." + nsToken.Value;
parser.RegisterNamespace(namespaceBuilder);
}
string name = string.Join(".", namespacePieces.Select <Token, string>(t => t.Value));
parser.PushNamespacePrefix(name);
Namespace namespaceInstance = new Namespace(namespaceToken, name, owner, parser.CurrentLibrary, fileScope);
tokens.PopExpected("{");
List <TopLevelConstruct> namespaceMembers = new List <TopLevelConstruct>();
while (!tokens.PopIfPresent("}"))
{
TopLevelConstruct executable = this.parser.ExecutableParser.ParseTopLevel(tokens, namespaceInstance, fileScope);
if (executable is FunctionDefinition ||
executable is ClassDefinition ||
executable is EnumDefinition ||
executable is ConstStatement ||
executable is Namespace)
{
namespaceMembers.Add(executable);
}
else
{
throw new ParserException(executable.FirstToken, "Only function, class, and nested namespace declarations may exist as direct members of a namespace.");
}
}
namespaceInstance.Code = namespaceMembers.ToArray();
parser.PopNamespacePrefix();
return(namespaceInstance);
}