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https://github.com/licsber/micropython.git
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d5df6cd44a
Some tools do not support local/static symbols (one example is GNU ld map file). Exposing all functions will allow to do detailed size comparisons, etc. Also, added bunch of statics where they were missing, and replaced few identity functions with global mp_identity().
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#include <stdlib.h>
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#include <stdint.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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// this is a wrapper object that is turns something that has a __getitem__ method into an iterator
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typedef struct _mp_obj_getitem_iter_t {
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mp_obj_base_t base;
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mp_obj_t args[3];
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} mp_obj_getitem_iter_t;
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STATIC mp_obj_t it_iternext(mp_obj_t self_in) {
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mp_obj_getitem_iter_t *self = self_in;
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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// try to get next item
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mp_obj_t value = rt_call_method_n_kw(1, 0, self->args);
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self->args[2] = MP_OBJ_NEW_SMALL_INT(MP_OBJ_SMALL_INT_VALUE(self->args[2]) + 1);
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nlr_pop();
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return value;
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} else {
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// an exception was raised
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if (MP_OBJ_IS_TYPE(nlr.ret_val, &exception_type) && mp_obj_exception_get_type(nlr.ret_val) == MP_QSTR_StopIteration) {
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// return mp_const_stop_iteration instead of raising StopIteration
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return mp_const_stop_iteration;
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} else {
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// re-raise exception
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nlr_jump(nlr.ret_val);
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}
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}
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}
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STATIC const mp_obj_type_t it_type = {
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{ &mp_const_type },
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"iterator",
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.iternext = it_iternext
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};
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// args are those returned from rt_load_method_maybe (ie either an attribute or a method)
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mp_obj_t mp_obj_new_getitem_iter(mp_obj_t *args) {
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mp_obj_getitem_iter_t *o = m_new_obj(mp_obj_getitem_iter_t);
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o->base.type = &it_type;
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o->args[0] = args[0];
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o->args[1] = args[1];
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o->args[2] = MP_OBJ_NEW_SMALL_INT(0);
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return o;
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}
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