mirror of
https://github.com/licsber/micropython.git
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b1bbe966c4
This simplifies the API for objects and reduces code size (by around 400 bytes on Thumb2, and around 2k on x86). Performance impact was measured with Pystone score, but change was barely noticeable.
105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/*
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* This file is part of the Micro Python 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) 2013, 2014 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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#include <string.h>
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#include "py/obj.h"
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#include "py/runtime.h"
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typedef struct _mp_obj_bound_meth_t {
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mp_obj_base_t base;
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mp_obj_t meth;
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mp_obj_t self;
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} mp_obj_bound_meth_t;
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#if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
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STATIC void bound_meth_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
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(void)kind;
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mp_obj_bound_meth_t *o = o_in;
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print(env, "<bound_method %p ", o);
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mp_obj_print_helper(print, env, o->self, PRINT_REPR);
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print(env, ".");
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mp_obj_print_helper(print, env, o->meth, PRINT_REPR);
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print(env, ">");
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}
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#endif
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STATIC mp_obj_t bound_meth_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
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mp_obj_bound_meth_t *self = self_in;
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// need to insert self->self before all other args and then call self->meth
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mp_uint_t n_total = n_args + 2 * n_kw;
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if (n_total <= 4) {
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// use stack to allocate temporary args array
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mp_obj_t args2[5];
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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return mp_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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} else {
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// use heap to allocate temporary args array
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mp_obj_t *args2 = m_new(mp_obj_t, 1 + n_total);
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args2[0] = self->self;
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memcpy(args2 + 1, args, n_total * sizeof(mp_obj_t));
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mp_obj_t res = mp_call_function_n_kw(self->meth, n_args + 1, n_kw, &args2[0]);
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m_del(mp_obj_t, args2, 1 + n_total);
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return res;
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}
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}
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#if MICROPY_PY_FUNCTION_ATTRS
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STATIC void bound_meth_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
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if (dest[0] != MP_OBJ_NULL) {
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// not load attribute
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return;
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}
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if (attr == MP_QSTR___name__) {
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mp_obj_bound_meth_t *o = self_in;
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dest[0] = MP_OBJ_NEW_QSTR(mp_obj_fun_get_name(o->meth));
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}
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}
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#endif
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STATIC const mp_obj_type_t mp_type_bound_meth = {
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{ &mp_type_type },
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.name = MP_QSTR_bound_method,
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#if MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_DETAILED
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.print = bound_meth_print,
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#endif
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.call = bound_meth_call,
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#if MICROPY_PY_FUNCTION_ATTRS
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.attr = bound_meth_attr,
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#endif
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};
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mp_obj_t mp_obj_new_bound_meth(mp_obj_t meth, mp_obj_t self) {
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mp_obj_bound_meth_t *o = m_new_obj(mp_obj_bound_meth_t);
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o->base.type = &mp_type_bound_meth;
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o->meth = meth;
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o->self = self;
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return o;
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}
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