1 files changed, 84 insertions, 0 deletions
diff --git a/examples/usercmodule/subpackage/modexamplepackage.c b/examples/usercmodule/subpackage/modexamplepackage.c
new file mode 100644
index 000000000..70e1e4005
--- /dev/null
+++ b/examples/usercmodule/subpackage/modexamplepackage.c
@@ -0,0 +1,84 @@
+// Include MicroPython API.
+#include "py/runtime.h"
+
+// Define example_package.foo.bar.f()
+STATIC mp_obj_t example_package_foo_bar_f(void) {
+    mp_printf(&mp_plat_print, "example_package.foo.bar.f\n");
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(example_package_foo_bar_f_obj, example_package_foo_bar_f);
+
+// Define all attributes of the second-level sub-package (example_package.foo.bar).
+STATIC const mp_rom_map_elem_t example_package_foo_bar_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_example_package_dot_foo_dot_bar) },
+    { MP_ROM_QSTR(MP_QSTR_f), MP_ROM_PTR(&example_package_foo_bar_f_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(example_package_foo_bar_globals, example_package_foo_bar_globals_table);
+
+// Define example_package.foo.bar module object.
+const mp_obj_module_t example_package_foo_bar_user_cmodule = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&example_package_foo_bar_globals,
+};
+
+// Define example_package.foo.f()
+STATIC mp_obj_t example_package_foo_f(void) {
+    mp_printf(&mp_plat_print, "example_package.foo.f\n");
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(example_package_foo_f_obj, example_package_foo_f);
+
+// Define all attributes of the first-level sub-package (example_package.foo).
+STATIC const mp_rom_map_elem_t example_package_foo_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_example_package_dot_foo) },
+    { MP_ROM_QSTR(MP_QSTR_bar), MP_ROM_PTR(&example_package_foo_bar_user_cmodule) },
+    { MP_ROM_QSTR(MP_QSTR_f), MP_ROM_PTR(&example_package_foo_f_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(example_package_foo_globals, example_package_foo_globals_table);
+
+// Define example_package.foo module object.
+const mp_obj_module_t example_package_foo_user_cmodule = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&example_package_foo_globals,
+};
+
+// Define example_package.f()
+STATIC mp_obj_t example_package_f(void) {
+    mp_printf(&mp_plat_print, "example_package.f\n");
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(example_package_f_obj, example_package_f);
+
+STATIC mp_obj_t example_package___init__(void) {
+    if (!MP_STATE_VM(example_package_initialised)) {
+        // __init__ for builtins is called each time the module is imported,
+        //   so ensure that initialisation only happens once.
+        MP_STATE_VM(example_package_initialised) = true;
+        mp_printf(&mp_plat_print, "example_package.__init__\n");
+    }
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(example_package___init___obj, example_package___init__);
+
+// The "initialised" state is stored on mp_state so that it is cleared on soft
+// reset.
+MP_REGISTER_ROOT_POINTER(int example_package_initialised);
+
+// Define all attributes of the top-level package (example_package).
+STATIC const mp_rom_map_elem_t example_package_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_example_package) },
+    { MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&example_package___init___obj) },
+    { MP_ROM_QSTR(MP_QSTR_foo), MP_ROM_PTR(&example_package_foo_user_cmodule) },
+    { MP_ROM_QSTR(MP_QSTR_f), MP_ROM_PTR(&example_package_f_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(example_package_globals, example_package_globals_table);
+
+// Define module object.
+const mp_obj_module_t example_package_user_cmodule = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&example_package_globals,
+};
+
+// Register the module to make it available in Python.
+// Note: subpackages should not be registered with MP_REGISTER_MODULE.
+MP_REGISTER_MODULE(MP_QSTR_example_package, example_package_user_cmodule);