shiboken: Add option to skip deprecated functions

Pass the "deprecated" annotation from Clang into the meta language and
reject functions based on it when the the command line option
--skip-deprecated is set.

By default, have Python output a deprecation warning when a deprecated
function is called (which is visible when passing -Wd).

Task-number: PYSIDE-487
Change-Id: Ic28d82963fde11f258b2559b562d3f24017fe98d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 6 insertions, 0 deletions

diff --git a/sources/shiboken2/generator/shiboken2/cppgenerator.cpp b/sources/shiboken2/generator/shiboken2/cppgenerator.cpp
index 9cfc95fd1..a61095e15 100644
--- a/sources/shiboken2/generator/shiboken2/cppgenerator.cpp
+++ b/sources/shiboken2/generator/shiboken2/cppgenerator.cpp
@@ -2656,6 +2656,12 @@ void CppGenerator::writeFunctionCalls(QTextStream &s, const OverloadData &overlo
                 {
                     Indentation indent(INDENT);
                     writeSingleFunctionCall(s, overloadData, func, context);
+                    if (func->attributes().testFlag(AbstractMetaAttributes::Deprecated)) {
+                        s << INDENT << "PyErr_WarnEx(PyExc_DeprecationWarning, \"";
+                        if (auto cls = context.metaClass())
+                            s << cls->name() << '.';
+                        s << func->signature() << " is deprecated\", 1);\n";
+                    }
                     s << INDENT << "break;" << endl;
                 }
                 s << INDENT << '}' << endl;