shiboken6: Add a check-function attribute to custom type entries

shiboken knows some check functions and defaults to
typeName + "_Check" in the end.

For custom types in modified function arguments, it is useful to be
able to specify a custom check function so that the overload decisor
finds the right type. Add a CustomTypeEntry class with a checkFunction
member for this.

[ChangeLog][shiboken6] It is now possible to specify a check function
for custom types in the typesystem.

Pick-to: 6.1
Change-Id: I21ec541afd5073dede09d359f2e2e16a0c6a0a05
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/sources/shiboken6/ApiExtractor/typesystem.h b/sources/shiboken6/ApiExtractor/typesystem.h
index abbbcd049..8d2169731 100644
--- a/sources/shiboken6/ApiExtractor/typesystem.h
+++ b/sources/shiboken6/ApiExtractor/typesystem.h
@@ -279,6 +279,21 @@ private:
     QScopedPointer<TypeEntryPrivate> m_d;
 };
 
+class CustomTypeEntry : public TypeEntry
+{
+public:
+    explicit CustomTypeEntry(const QString &entryName, const QVersionNumber &vr,
+                             const TypeEntry *parent);
+
+    TypeEntry *clone() const override;
+
+    QString checkFunction() const;
+    void setCheckFunction(const QString &f);
+
+protected:
+    explicit CustomTypeEntry(TypeEntryPrivate *d);
+};
+
 class TypeSystemTypeEntry : public TypeEntry
 {
 public: