py: Move native glue code from runtime.c to new file nativeglue.c.

This way, the native glue code is only compiled if native code is
enabled (which makes complete sense; thanks to Paul Sokolovsky for
the idea).

Should fix issue #834.

py/runtime.c

@@ -1156,91 +1156,3 @@ void *m_malloc_fail(int num_bytes) {
 NORETURN void mp_not_implemented(const char *msg) {
     nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError, msg));
 }
-
-// convert a Micro Python object to a valid native value based on type
-mp_uint_t mp_convert_obj_to_native(mp_obj_t obj, mp_uint_t type) {
-    DEBUG_printf("mp_convert_obj_to_native(%p, " UINT_FMT ")\n", obj, type);
-    switch (type & 3) {
-        case MP_NATIVE_TYPE_OBJ: return (mp_uint_t)obj;
-        case MP_NATIVE_TYPE_BOOL:
-        case MP_NATIVE_TYPE_INT:
-        case MP_NATIVE_TYPE_UINT: return mp_obj_get_int(obj);
-        default: assert(0); return 0;
-    }
-}
-
-// convert a native value to a Micro Python object based on type
-mp_obj_t mp_convert_native_to_obj(mp_uint_t val, mp_uint_t type) {
-    DEBUG_printf("mp_convert_native_to_obj(" UINT_FMT ", " UINT_FMT ")\n", val, type);
-    switch (type & 3) {
-        case MP_NATIVE_TYPE_OBJ: return (mp_obj_t)val;
-        case MP_NATIVE_TYPE_BOOL: return MP_BOOL(val);
-        case MP_NATIVE_TYPE_INT: return mp_obj_new_int(val);
-        case MP_NATIVE_TYPE_UINT: return mp_obj_new_int_from_uint(val);
-        default: assert(0); return mp_const_none;
-    }
-}
-
-// wrapper that accepts n_args and n_kw in one argument
-// (native emitter can only pass at most 3 arguments to a function)
-mp_obj_t mp_native_call_function_n_kw(mp_obj_t fun_in, uint n_args_kw, const mp_obj_t *args) {
-    return mp_call_function_n_kw(fun_in, n_args_kw & 0xff, (n_args_kw >> 8) & 0xff, args);
-}
-
-// wrapper that makes raise obj and raises it
-NORETURN void mp_native_raise(mp_obj_t o) {
-    nlr_raise(mp_make_raise_obj(o));
-}
-
-// these must correspond to the respective enum in runtime0.h
-void *const mp_fun_table[MP_F_NUMBER_OF] = {
-    mp_convert_obj_to_native,
-    mp_convert_native_to_obj,
-    mp_load_const_int,
-    mp_load_const_dec,
-    mp_load_const_str,
-    mp_load_const_bytes,
-    mp_load_name,
-    mp_load_global,
-    mp_load_build_class,
-    mp_load_attr,
-    mp_load_method,
-    mp_store_name,
-    mp_store_global,
-    mp_store_attr,
-    mp_obj_subscr,
-    mp_obj_is_true,
-    mp_unary_op,
-    mp_binary_op,
-    mp_obj_new_tuple,
-    mp_obj_new_list,
-    mp_obj_list_append,
-    mp_obj_new_dict,
-    mp_obj_dict_store,
-#if MICROPY_PY_BUILTINS_SET
-    mp_obj_new_set,
-    mp_obj_set_store,
-#endif
-    mp_make_function_from_raw_code,
-    mp_native_call_function_n_kw,
-    mp_call_method_n_kw,
-    mp_getiter,
-    mp_iternext,
-    nlr_push,
-    nlr_pop,
-    mp_native_raise,
-    mp_import_name,
-    mp_import_from,
-    mp_import_all,
-#if MICROPY_PY_BUILTINS_SLICE
-    mp_obj_new_slice,
-#endif
-    mp_unpack_sequence,
-    mp_unpack_ex,
-};
-
-/*
-void mp_f_vector(mp_fun_kind_t fun_kind) {
-    (mp_f_table[fun_kind])();
-}
-*/