public override IElement CreateCopy()
{
UsingDef e = new UsingDef((int)ImportantCharIndex, (int)ImportantCharLength, (int)ImportantLineIndex);
e._usingInfo = _usingInfo;
e.AddChildren(this.CopyChildren());
return(e);
}
private static void Parse(MoveInfo parentInfo, ParsingInfo parsingInfo, ScriptInfo scriptInfo)
{
int startIndex = parentInfo.CurrentIndex;
MoveInfo moveInfo = new MoveInfo(parentInfo);
// modifier
MemberAccess access;
AccessModifier modifier = AccessModifier.GetModifier(moveInfo, out access);
if (modifier != null)
{
startIndex = moveInfo.CurrentIndex;
}
// name
moveInfo = new MoveInfo(parentInfo);
IElement tryName = moveInfo.FindNextBlack(SearchDirection.LeftToRight);
if (tryName == null || !tryName.IsTT(TokenType.Word))
{
throw new SyntaxException("Could not find using name", parentInfo.GetErrorInfo());
}
string name = tryName.ToString();
UsingDef usingDef = new UsingDef(moveInfo.Current.CharIndex, moveInfo.Current.CharLength, moveInfo.Current.LineIndex);
// assign
moveInfo.FindNextBlack(SearchDirection.LeftToRight); // =
moveInfo.FindNextBlack(SearchDirection.LeftToRight); // behind =
// expression
Path pathTry = Path.Parse(moveInfo, parsingInfo, scriptInfo);
if (pathTry == null)
{
throw new SyntaxException("Could not find using path", parentInfo.GetErrorInfo());
}
// terminal
IElement terminalTry = moveInfo.FindNextBlack(SearchDirection.LeftToRight);
if (terminalTry == null || !(terminalTry.IsTT(TokenType.SemiColon)))
{
throw new SyntaxException("Missing directive ';'?", parentInfo.GetErrorInfo());
}
int length = (moveInfo.CurrentIndex + 1) - startIndex;
usingDef.AddChildren(parentInfo.CurrentElements.GetRange(startIndex, length));
parentInfo.MoveToIndex(startIndex);
parentInfo.Replace(length, usingDef);
// info
// add const def to list
parsingInfo.UsingDefList.Add(usingDef);
/*if (scriptInfo.Constants.FindIndex(a => a.Name == name) != -1)
* ErrorManager.Semantic("Constant '" + name + "' already defined", new ErrorInfo(parentInfo.ErrorInfo));
* else
* {*/
UsingInfo usingInfo = new UsingInfo(scriptInfo.SF, name, pathTry.ToString(), access, usingDef);
scriptInfo.AddUsing(usingInfo);
usingDef._usingInfo = usingInfo;
//}
}