Moc: simplify showing a warning

Instead of changing the "index" member then restoring it, add a
symbolAt() method to get the Symbol in question, and pass it to
new warning() overload.

Change-Id: Ie84a6cf4d837f4ed694f617100e9556c2fc2eea3
Reviewed-by: Fabian Kosmale <[email protected]>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/tools/moc/parser.h b/src/tools/moc/parser.h
index 7b5c604a715..6fe982a1ce7 100644
--- a/src/tools/moc/parser.h
+++ b/src/tools/moc/parser.h
@@ -44,10 +44,12 @@ public:
     inline QByteArray lexem() { return symbols.at(index-1).lexem();}
     inline QByteArray unquotedLexem() { return symbols.at(index-1).unquotedLexem();}
     inline const Symbol &symbol() { return symbols.at(index-1);}
+    inline const Symbol &symbolAt(qsizetype idx) { return symbols.at(idx); }
 
     Q_NORETURN void error(const Symbol &symbol);
     Q_NORETURN void error(const char *msg = nullptr);
     void warning(const char * = nullptr);
+    void warning(const Symbol &sym, QByteArrayView msg);
     void note(const char * = nullptr);
     void defaultErrorMsg(const Symbol &sym);
     void printMsg(QByteArrayView formatStringSuffix, QByteArrayView msg, const Symbol &sym);