shiboken6: Clean up messages about cyclic dependencies of overloaded functions

Move message helper msgCyclicDependency() from overloaddata.cpp
to message.cpp to prevent a clash between the static helper
and the one declared in messages.h.
This was an oversight causing problems in 5.15:

tqtc-pyside-setup/sources/shiboken2/generator/shiboken2/overloaddata.cpp: In function ‘QString msgCyclicDependency(const QString&, const QString&, const MetaFunctionList&)’:
tqtc-pyside-setup/sources/shiboken2/generator/shiboken2/overloaddata.cpp:151:16: error: ‘QString msgCyclicDependency(const QString&, const QString&, const MetaFunctionList&)’
   was declared ‘extern’ and later ‘static’ [-fpermissive]

Change-Id: I56375c5bbc483859f83658cfeb4df1e6067421a0
Reviewed-by: Christian Tismer <tismer@stackless.com>
(cherry picked from commit 8430d4e02940c2d3fd9493044e05f9e113c07001)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

3 files changed, 9 insertions, 29 deletions

diff --git a/sources/shiboken6/ApiExtractor/messages.cpp b/sources/shiboken6/ApiExtractor/messages.cpp
index ffca9bcd8..605b99966 100644
--- a/sources/shiboken6/ApiExtractor/messages.cpp
+++ b/sources/shiboken6/ApiExtractor/messages.cpp
@@ -639,13 +639,16 @@ QString msgInvalidVersion(const QString &package, const QString &version)
 }
 
 QString msgCyclicDependency(const QString &funcName, const QString &graphName,
-                            const QList<const AbstractMetaFunction *> &involvedConversions)
+                            const AbstractMetaFunctionCList &cyclic,
+                            const AbstractMetaFunctionCList &involvedConversions)
 {
     QString result;
     QTextStream str(&result);
     str << "Cyclic dependency found on overloaddata for \"" << funcName
-         << "\" method! The graph boy saved the graph at \""
-         << QDir::toNativeSeparators(graphName) << "\".";
+         << "\" method! The graph boy saved the graph at \"" << QDir::toNativeSeparators(graphName)
+         << "\". Cyclic functions:";
+    for (const auto &c : cyclic)
+        str << ' ' << c->signature();
     if (const int count = involvedConversions.size()) {
         str << " Implicit conversions (" << count << "): ";
         for (int i = 0; i < count; ++i) {
diff --git a/sources/shiboken6/ApiExtractor/messages.h b/sources/shiboken6/ApiExtractor/messages.h
index c0127f83e..686c0efd7 100644
--- a/sources/shiboken6/ApiExtractor/messages.h
+++ b/sources/shiboken6/ApiExtractor/messages.h
@@ -211,7 +211,8 @@ QString msgCannotFindView(const QString &viewedName, const QString &name);
 QString msgCannotFindSnippet(const QString &file, const QString &snippetLabel);
 
 QString msgCyclicDependency(const QString &funcName, const QString &graphName,
-                            const QList<const AbstractMetaFunction *> &involvedConversions);
+                            const AbstractMetaFunctionCList &cyclic,
+                            const AbstractMetaFunctionCList &involvedConversions);
 
 QString msgClassNotFound(const TypeEntry *t);
 
diff --git a/sources/shiboken6/generator/shiboken/overloaddata.cpp b/sources/shiboken6/generator/shiboken/overloaddata.cpp
index 1eb06b10b..c6e2b5d83 100644
--- a/sources/shiboken6/generator/shiboken/overloaddata.cpp
+++ b/sources/shiboken6/generator/shiboken/overloaddata.cpp
@@ -34,6 +34,7 @@
 #include <typesystem.h>
 #include <graph.h>
 #include "overloaddata.h"
+#include "messages.h"
 #include "ctypenames.h"
 #include "pytypenames.h"
 #include "textstream.h"
@@ -116,31 +117,6 @@ static QString getImplicitConversionTypeName(const AbstractMetaType &containerTy
            + types.join(QLatin1String(", ")) + QLatin1String(" >");
 }
 
-// overloaddata.cpp
-static QString msgCyclicDependency(const QString &funcName, const QString &graphName,
-                                   const AbstractMetaFunctionCList &cyclic,
-                                   const AbstractMetaFunctionCList &involvedConversions)
-{
-    QString result;
-    QTextStream str(&result);
-    str << "Cyclic dependency found on overloaddata for \"" << funcName
-         << "\" method! The graph boy saved the graph at \"" << QDir::toNativeSeparators(graphName)
-         << "\". Cyclic functions:";
-    for (const auto &c : cyclic)
-        str << ' ' << c->signature();
-    if (const int count = involvedConversions.size()) {
-        str << " Implicit conversions (" << count << "): ";
-        for (int i = 0; i < count; ++i) {
-            if (i)
-                str << ", \"";
-            str << involvedConversions.at(i)->signature() << '"';
-            if (const AbstractMetaClass *c = involvedConversions.at(i)->implementingClass())
-                str << '(' << c->name() << ')';
-        }
-    }
-    return result;
-}
-
 static inline int overloadNumber(const OverloadDataNodePtr &o)
 {
     return o->referenceFunction()->overloadNumber();