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61 lines
1.8 KiB
61 lines
1.8 KiB
#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <assert.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 "mpqstr.h"
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#include "obj.h"
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#include "runtime.h"
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#include "map.h"
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typedef struct _mp_obj_module_t {
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mp_obj_base_t base;
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qstr name;
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mp_map_t *globals;
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} mp_obj_module_t;
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static void module_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
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mp_obj_module_t *self = self_in;
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print(env, "<module '%s' from '-unknown-file-'>", qstr_str(self->name));
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}
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static void module_load_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
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mp_obj_module_t *self = self_in;
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mp_map_elem_t *elem = mp_map_lookup(self->globals, MP_OBJ_NEW_QSTR(attr), MP_MAP_LOOKUP);
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if (elem != NULL) {
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dest[1] = elem->value;
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}
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}
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static bool module_store_attr(mp_obj_t self_in, qstr attr, mp_obj_t value) {
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mp_obj_module_t *self = self_in;
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// TODO CPython allows STORE_ATTR to a module, but is this the correct implementation?
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mp_map_lookup(self->globals, MP_OBJ_NEW_QSTR(attr), MP_MAP_LOOKUP_ADD_IF_NOT_FOUND)->value = value;
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return true;
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}
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const mp_obj_type_t module_type = {
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{ &mp_const_type },
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"module",
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.print = module_print,
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.load_attr = module_load_attr,
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.store_attr = module_store_attr,
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};
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mp_obj_t mp_obj_new_module(qstr module_name) {
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mp_obj_module_t *o = m_new_obj(mp_obj_module_t);
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o->base.type = &module_type;
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o->name = module_name;
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o->globals = mp_map_new(1);
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mp_map_lookup(o->globals, MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_MAP_LOOKUP_ADD_IF_NOT_FOUND)->value = mp_obj_new_str(module_name);
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return o;
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}
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mp_map_t *mp_obj_module_get_globals(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &module_type));
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mp_obj_module_t *self = self_in;
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return self->globals;
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}
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