Commit 5a7858f5 authored by Christian Kamm's avatar Christian Kamm
Browse files

Make sure the BackwardScanner has tokenized before asking for a string.

The problem was that for


when the user triggers completion at |, startOfLine() returns a token
that's not on the current line and not yet tokenized by that instance
of the BackwardScanner.

As a fix I explicitly ask the instance to tokenize up to the given

Task-number: QTCREATORBUG-673
Reviewed-by: Roberto Raggi
parent 2b40ed69
......@@ -1076,7 +1076,11 @@ bool CppCodeCompletion::completeConstructorOrFunction(const QList<LookupItem> &r
QTextCursor tc(edit->document());
BackwardsScanner bs(tc);
QString possibleDecl = bs.mid(bs.startOfLine(bs.startToken())).trimmed().append("();");
const int startToken = bs.startToken();
const int lineStartToken = bs.startOfLine(startToken);
// make sure the required tokens are actually available
bs.LA(startToken - lineStartToken);
QString possibleDecl = bs.mid(lineStartToken).trimmed().append("();");
Document::Ptr doc = Document::create(QLatin1String("<completion>"));
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