void generatorEntry(BoxedGenerator* g) {
{
assert(g->cls == generator_cls);
assert(g->function->cls == function_cls);
threading::pushGenerator(g, g->stack_begin, g->returnContext);
try {
RegisterHelper context_registerer(g, __builtin_frame_address(0));
// call body of the generator
BoxedFunctionBase* func = g->function;
Box** args = g->args ? &g->args->elts[0] : nullptr;
callCLFunc<ExceptionStyle::CXX>(func->f, nullptr, func->f->numReceivedArgs(), func->closure, g,
func->globals, g->arg1, g->arg2, g->arg3, args);
} catch (ExcInfo e) {
// unhandled exception: propagate the exception to the caller
g->exception = e;
}
// we returned from the body of the generator. next/send/throw will notify the caller
g->entryExited = true;
threading::popGenerator();
}
swapContext(&g->context, g->returnContext, 0);
}
void generatorEntry(BoxedGenerator* g) noexcept {
{
assert(g->cls == generator_cls);
assert(g->function->cls == function_cls);
assert(g->returnValue == Py_None);
Py_CLEAR(g->returnValue);
{
RegisterHelper context_registerer(g, __builtin_frame_address(0));
g->top_caller_frame_info = (FrameInfo*)cur_thread_state.frame_info;
// call body of the generator
BoxedFunctionBase* func = g->function;
// unnecessary because the generator owns g->function
// KEEP_ALIVE(func);
Box** args = g->args ? &g->args->elts[0] : nullptr;
auto r = callCLFunc<ExceptionStyle::CAPI, NOT_REWRITABLE>(func->code, nullptr,
func->code->numReceivedArgs(), func->closure, g,
func->globals, g->arg1, g->arg2, g->arg3, args);
if (r)
Py_DECREF(r);
else {
// unhandled exception: propagate the exception to the caller
PyErr_Fetch(&g->exception.type, &g->exception.value, &g->exception.traceback);
PyErr_Clear();
}
}
// we returned from the body of the generator. next/send/throw will notify the caller
g->entryExited = true;
}
assert(g->top_caller_frame_info == cur_thread_state.frame_info);
swapContext(&g->context, g->returnContext, 0);
}