Select Git revision
-
Paul Sokolovsky authored
Done by introducing another factored out helper API in binary.c. This API can be reused also by array and struct modules.
Paul Sokolovsky authoredDone by introducing another factored out helper API in binary.c. This API can be reused also by array and struct modules.
objgenerator.c 9.29 KiB
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2014 Paul Sokolovsky
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdlib.h>
#include <assert.h>
#include "py/nlr.h"
#include "py/obj.h"
#include "py/runtime.h"
#include "py/bc.h"
#include "py/objgenerator.h"
#include "py/objfun.h"
/******************************************************************************/
/* generator wrapper */
typedef struct _mp_obj_gen_wrap_t {
mp_obj_base_t base;
mp_obj_t *fun;
} mp_obj_gen_wrap_t;
typedef struct _mp_obj_gen_instance_t {
mp_obj_base_t base;
mp_obj_dict_t *globals;
mp_code_state code_state;
} mp_obj_gen_instance_t;
STATIC mp_obj_t gen_wrap_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_obj_gen_wrap_t *self = self_in;
mp_obj_fun_bc_t *self_fun = (mp_obj_fun_bc_t*)self->fun;
assert(MP_OBJ_IS_TYPE(self_fun, &mp_type_fun_bc));
// skip code-info block
const byte *code_info = self_fun->bytecode;
mp_uint_t code_info_size = mp_decode_uint(&code_info);
const byte *ip = self_fun->bytecode + code_info_size;
// bytecode prelude: skip arg names
ip += (self_fun->n_pos_args + self_fun->n_kwonly_args) * sizeof(mp_obj_t);
// bytecode prelude: get state size and exception stack size
mp_uint_t n_state = mp_decode_uint(&ip);
mp_uint_t n_exc_stack = mp_decode_uint(&ip);
// allocate the generator object, with room for local stack and exception stack
mp_obj_gen_instance_t *o = m_new_obj_var(mp_obj_gen_instance_t, byte,