288 lines
13 KiB
C
288 lines
13 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_PY_DYNRUNTIME_H
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#define MICROPY_INCLUDED_PY_DYNRUNTIME_H
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// This header file contains definitions to dynamically implement the static
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// MicroPython runtime API defined in py/obj.h and py/runtime.h.
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#include "py/nativeglue.h"
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#include "py/objstr.h"
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#include "py/objtype.h"
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#if !MICROPY_ENABLE_DYNRUNTIME
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#error "dynruntime.h included in non-dynamic-module build."
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#endif
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#undef MP_ROM_QSTR
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#undef MP_OBJ_QSTR_VALUE
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#undef MP_OBJ_NEW_QSTR
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#undef mp_const_none
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#undef mp_const_false
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#undef mp_const_true
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#undef mp_const_empty_tuple
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#undef nlr_raise
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/******************************************************************************/
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// Memory allocation
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#define m_malloc(n,_) (m_malloc_dyn((n)))
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#define m_free(ptr) (m_free_dyn((ptr)))
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#define m_realloc(ptr, new_num_bytes) (m_realloc_dyn((ptr), (new_num_bytes)))
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static inline void *m_malloc_dyn(size_t n) {
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// TODO won't raise on OOM
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return mp_fun_table.realloc_(NULL, n, false);
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}
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static inline void m_free_dyn(void *ptr) {
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mp_fun_table.realloc_(ptr, 0, false);
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}
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static inline void *m_realloc_dyn(void *ptr, size_t new_num_bytes) {
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// TODO won't raise on OOM
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return mp_fun_table.realloc_(ptr, new_num_bytes, true);
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}
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/******************************************************************************/
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// Printing
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#define mp_plat_print (*mp_fun_table.plat_print)
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#define mp_printf(p, ...) (mp_fun_table.printf_((p), __VA_ARGS__))
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#define mp_vprintf(p, fmt, args) (mp_fun_table.vprintf_((p), (fmt), (args)))
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/******************************************************************************/
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// Types and objects
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#define MP_OBJ_NEW_QSTR(x) MP_OBJ_NEW_QSTR_##x
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#define mp_type_type (*mp_fun_table.type_type)
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#define mp_type_str (*mp_fun_table.type_str)
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#define mp_type_tuple (*((mp_obj_base_t *)mp_const_empty_tuple)->type)
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#define mp_type_list (*mp_fun_table.type_list)
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#define mp_type_EOFError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_EOFError)))
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#define mp_type_IndexError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_IndexError)))
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#define mp_type_KeyError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_KeyError)))
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#define mp_type_NotImplementedError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_NotImplementedError)))
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#define mp_type_RuntimeError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_RuntimeError)))
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#define mp_type_TypeError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_TypeError)))
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#define mp_type_ValueError (*(mp_obj_type_t *)(mp_load_global(MP_QSTR_ValueError)))
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#define mp_stream_read_obj (*mp_fun_table.stream_read_obj)
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#define mp_stream_readinto_obj (*mp_fun_table.stream_readinto_obj)
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#define mp_stream_unbuffered_readline_obj (*mp_fun_table.stream_unbuffered_readline_obj)
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#define mp_stream_write_obj (*mp_fun_table.stream_write_obj)
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#define mp_const_none ((mp_obj_t)mp_fun_table.const_none)
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#define mp_const_false ((mp_obj_t)mp_fun_table.const_false)
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#define mp_const_true ((mp_obj_t)mp_fun_table.const_true)
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#define mp_const_empty_tuple (mp_fun_table.new_tuple(0, NULL))
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#define mp_obj_new_bool(b) ((b) ? (mp_obj_t)mp_fun_table.const_true : (mp_obj_t)mp_fun_table.const_false)
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#define mp_obj_new_int(i) (mp_fun_table.native_to_obj(i, MP_NATIVE_TYPE_INT))
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#define mp_obj_new_int_from_uint(i) (mp_fun_table.native_to_obj(i, MP_NATIVE_TYPE_UINT))
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#define mp_obj_new_str(data, len) (mp_fun_table.obj_new_str((data), (len)))
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#define mp_obj_new_str_of_type(t, d, l) (mp_obj_new_str_of_type_dyn((t), (d), (l)))
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#define mp_obj_new_bytes(data, len) (mp_fun_table.obj_new_bytes((data), (len)))
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#define mp_obj_new_bytearray_by_ref(n, i) (mp_fun_table.obj_new_bytearray_by_ref((n), (i)))
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#define mp_obj_new_tuple(n, items) (mp_fun_table.new_tuple((n), (items)))
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#define mp_obj_new_list(n, items) (mp_fun_table.new_list((n), (items)))
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#define mp_obj_get_type(o) (mp_fun_table.obj_get_type((o)))
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#define mp_obj_cast_to_native_base(o, t) (mp_obj_cast_to_native_base_dyn((o), (t)))
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#define mp_obj_get_int(o) (mp_fun_table.native_from_obj(o, MP_NATIVE_TYPE_INT))
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#define mp_obj_get_int_truncated(o) (mp_fun_table.native_from_obj(o, MP_NATIVE_TYPE_UINT))
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#define mp_obj_str_get_str(s) (mp_obj_str_get_data_dyn((s), NULL))
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#define mp_obj_str_get_data(o, len) (mp_obj_str_get_data_dyn((o), (len)))
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#define mp_get_buffer_raise(o, bufinfo, fl) (mp_fun_table.get_buffer_raise((o), (bufinfo), (fl)))
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#define mp_get_stream_raise(s, flags) (mp_fun_table.get_stream_raise((s), (flags)))
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#define mp_obj_len(o) (mp_obj_len_dyn(o))
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#define mp_obj_subscr(base, index, val) (mp_fun_table.obj_subscr((base), (index), (val)))
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#define mp_obj_get_array(o, len, items) (mp_obj_get_array_dyn((o), (len), (items)))
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#define mp_obj_list_append(list, item) (mp_fun_table.list_append((list), (item)))
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#define mp_obj_assert_native_inited(o) (mp_fun_table.assert_native_inited((o)))
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static inline mp_obj_t mp_obj_new_str_of_type_dyn(const mp_obj_type_t *type, const byte *data, size_t len) {
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if (type == &mp_type_str) {
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return mp_obj_new_str((const char *)data, len);
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} else {
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return mp_obj_new_bytes(data, len);
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}
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}
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static inline mp_obj_t mp_obj_cast_to_native_base_dyn(mp_obj_t self_in, mp_const_obj_t native_type) {
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const mp_obj_type_t *self_type = mp_obj_get_type(self_in);
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if (MP_OBJ_FROM_PTR(self_type) == native_type) {
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return self_in;
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}
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if (self_type->parent != native_type) {
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// The self_in object is not a direct descendant of native_type, so fail the cast.
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// This is a very simple version of mp_obj_is_subclass_fast that could be improved.
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return MP_OBJ_NULL;
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} else {
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mp_obj_instance_t *self = (mp_obj_instance_t *)MP_OBJ_TO_PTR(self_in);
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return self->subobj[0];
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}
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}
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static inline void *mp_obj_str_get_data_dyn(mp_obj_t o, size_t *l) {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(o, &bufinfo, MP_BUFFER_READ);
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if (l != NULL) {
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*l = bufinfo.len;
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}
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return bufinfo.buf;
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}
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static inline mp_obj_t mp_obj_len_dyn(mp_obj_t o) {
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// If bytes implemented MP_UNARY_OP_LEN could use: mp_unary_op(MP_UNARY_OP_LEN, o)
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return mp_fun_table.call_function_n_kw(mp_fun_table.load_name(MP_QSTR_len), 1, &o);
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}
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/******************************************************************************/
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// General runtime functions
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#define mp_load_name(qst) (mp_fun_table.load_name((qst)))
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#define mp_load_global(qst) (mp_fun_table.load_global((qst)))
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#define mp_load_attr(base, attr) (mp_fun_table.load_attr((base), (attr)))
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#define mp_load_method(base, attr, dest) (mp_fun_table.load_method((base), (attr), (dest)))
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#define mp_load_super_method(attr, dest) (mp_fun_table.load_super_method((attr), (dest)))
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#define mp_store_name(qst, obj) (mp_fun_table.store_name((qst), (obj)))
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#define mp_store_global(qst, obj) (mp_fun_table.store_global((qst), (obj)))
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#define mp_store_attr(base, attr, val) (mp_fun_table.store_attr((base), (attr), (val)))
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#define mp_unary_op(op, obj) (mp_fun_table.unary_op((op), (obj)))
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#define mp_binary_op(op, lhs, rhs) (mp_fun_table.binary_op((op), (lhs), (rhs)))
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#define mp_make_function_from_raw_code(rc, def_args, def_kw_args) \
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(mp_fun_table.make_function_from_raw_code((rc), (def_args), (def_kw_args)))
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#define mp_call_function_n_kw(fun, n_args, n_kw, args) \
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(mp_fun_table.call_function_n_kw((fun), (n_args) | ((n_kw) << 8), args))
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#define mp_arg_check_num(n_args, n_kw, n_args_min, n_args_max, takes_kw) \
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(mp_fun_table.arg_check_num_sig((n_args), (n_kw), MP_OBJ_FUN_MAKE_SIG((n_args_min), (n_args_max), (takes_kw))))
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#define MP_DYNRUNTIME_INIT_ENTRY \
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mp_obj_t old_globals = mp_fun_table.swap_globals(self->globals); \
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mp_raw_code_t rc; \
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rc.kind = MP_CODE_NATIVE_VIPER; \
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rc.scope_flags = 0; \
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rc.const_table = (void *)self->const_table; \
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(void)rc;
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#define MP_DYNRUNTIME_INIT_EXIT \
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mp_fun_table.swap_globals(old_globals); \
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return mp_const_none;
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#define MP_DYNRUNTIME_MAKE_FUNCTION(f) \
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(mp_make_function_from_raw_code((rc.fun_data = (f), &rc), MP_OBJ_NULL, MP_OBJ_NULL))
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#define mp_import_name(name, fromlist, level) \
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(mp_fun_table.import_name((name), (fromlist), (level)))
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#define mp_import_from(module, name) \
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(mp_fun_table.import_from((module), (name)))
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#define mp_import_all(module) \
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(mp_fun_table.import_all((module))
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/******************************************************************************/
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// Exceptions
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#define mp_obj_new_exception(o) ((mp_obj_t)(o)) // Assumes returned object will be raised, will create instance then
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#define mp_obj_new_exception_arg1(e_type, arg) (mp_obj_new_exception_arg1_dyn((e_type), (arg)))
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#define nlr_raise(o) (mp_raise_dyn(o))
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#define mp_raise_type_arg(type, arg) (mp_raise_dyn(mp_obj_new_exception_arg1_dyn((type), (arg))))
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#define mp_raise_msg(type, msg) (mp_fun_table.raise_msg_str((type), (msg)))
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#define mp_raise_OSError(er) (mp_raise_OSError_dyn(er))
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#define mp_raise_NotImplementedError(msg) (mp_raise_msg(&mp_type_NotImplementedError, (msg)))
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#define mp_raise_TypeError(msg) (mp_raise_msg(&mp_type_TypeError, (msg)))
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#define mp_raise_ValueError(msg) (mp_raise_msg(&mp_type_ValueError, (msg)))
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static inline mp_obj_t mp_obj_new_exception_arg1_dyn(const mp_obj_type_t *exc_type, mp_obj_t arg) {
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mp_obj_t args[1] = { arg };
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return mp_call_function_n_kw(MP_OBJ_FROM_PTR(exc_type), 1, 0, &args[0]);
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}
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static NORETURN inline void mp_raise_dyn(mp_obj_t o) {
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mp_fun_table.raise(o);
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for (;;) {
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}
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}
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static NORETURN inline void mp_raise_arg1(const mp_obj_type_t *exc_type, mp_obj_t arg) {
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mp_fun_table.raise(mp_obj_new_exception_arg1_dyn(exc_type, arg));
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for (;;) {
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}
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}
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static inline void mp_raise_OSError_dyn(int er) {
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mp_obj_t args[1] = { MP_OBJ_NEW_SMALL_INT(er) };
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nlr_raise(mp_call_function_n_kw(mp_load_global(MP_QSTR_OSError), 1, 0, &args[0]));
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}
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/******************************************************************************/
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// Floating point
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#define mp_obj_new_float_from_f(f) (mp_fun_table.obj_new_float_from_f((f)))
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#define mp_obj_new_float_from_d(d) (mp_fun_table.obj_new_float_from_d((d)))
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#define mp_obj_get_float_to_f(o) (mp_fun_table.obj_get_float_to_f((o)))
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#define mp_obj_get_float_to_d(o) (mp_fun_table.obj_get_float_to_d((o)))
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#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
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#define mp_obj_new_float(f) (mp_obj_new_float_from_f((f)))
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#define mp_obj_get_float(o) (mp_obj_get_float_to_f((o)))
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#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
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#define mp_obj_new_float(f) (mp_obj_new_float_from_d((f)))
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#define mp_obj_get_float(o) (mp_obj_get_float_to_d((o)))
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#endif
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/******************************************************************************/
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// Inline function definitions.
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// *items may point inside a GC block
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static inline void mp_obj_get_array_dyn(mp_obj_t o, size_t *len, mp_obj_t **items) {
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const mp_obj_type_t *type = mp_obj_get_type(o);
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if (type == &mp_type_tuple) {
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mp_obj_tuple_t *t = MP_OBJ_TO_PTR(o);
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*len = t->len;
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*items = &t->items[0];
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} else if (type == &mp_type_list) {
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mp_obj_list_t *l = MP_OBJ_TO_PTR(o);
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*len = l->len;
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*items = l->items;
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} else {
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mp_raise_TypeError("expected tuple/list");
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}
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}
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#endif // MICROPY_INCLUDED_PY_DYNRUNTIME_H
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