private static Tuple<PrototypeMember, string> ParseVarStatement(ScriptProcessor processor, ScriptStatement statement)
{
string code = statement.Code;
List<string> signature = code.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToList();
string identifier;
string assignment = "";
bool isReadOnly = false;
bool isStatic = false;
// Read static:
if (signature.Contains(VAR_SIGNATURE_STATIC))
{
isStatic = true;
signature.Remove(VAR_SIGNATURE_STATIC);
}
// Read readonly:
if (signature.Contains(VAR_SIGNATURE_READONLY))
{
isReadOnly = true;
signature.Remove(VAR_SIGNATURE_READONLY);
}
if (signature[0] != "var" || signature.Count < 2)
processor.ErrorHandler.ThrowError(ErrorType.SyntaxError, ErrorHandler.MESSAGE_SYNTAX_CLASS_INVALID_VAR_DECLARATION);
identifier = signature[1];
if (!ScriptProcessor.IsValidIdentifier(identifier))
processor.ErrorHandler.ThrowError(ErrorType.SyntaxError, ErrorHandler.MESSAGE_SYNTAX_MISSING_VAR_NAME);
if (signature.Count > 2)
{
if (signature[2].StartsWith("="))
{
assignment = code.Remove(0, code.IndexOf("=") + 1).Trim();
}
else
{
processor.ErrorHandler.ThrowError(ErrorType.SyntaxError, ErrorHandler.MESSAGE_SYNTAX_CLASS_INVALID_VAR_DECLARATION);
}
}
var member = new PrototypeMember(identifier, processor.Undefined, isStatic, isReadOnly, false, false);
return new Tuple<PrototypeMember, string>(member, assignment);
}
internal void AddMember(ScriptProcessor processor, PrototypeMember member)
{
if (_prototypeMembers.ContainsKey(member.Identifier))
processor.ErrorHandler.ThrowError(ErrorType.SyntaxError, ErrorHandler.MESSAGE_SYNTAX_CLASS_DUPLICATE_DEFINITION, new object[] { member.Identifier, Name });
_prototypeMembers.Add(member.Identifier, member);
}
