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py: Clear state to MP_OBJ_NULL before executing byte code.

pull/452/merge
Damien George 2014-04-09 19:53:31 +01:00
rodzic a157e4caba
commit d99944acdd
2 zmienionych plików z 12 dodań i 10 usunięć
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11
py/objgenerator.c
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@ -252,14 +252,15 @@ mp_obj_t mp_obj_new_gen_instance(const byte *bytecode, uint n_args, const mp_obj
o->state[n_state - 1 - n_args - i] = args2[i];
}
// set rest of state to MP_OBJ_NULL
for (uint i = 0; i < n_state - n_args - n_args2; i++) {
o->state[i] = MP_OBJ_NULL;
}
// bytecode prelude: initialise closed over variables
for (uint n_local = *bytecode++; n_local > 0; n_local--) {
uint local_num = *bytecode++;
if (local_num < n_args + n_args2) {
o->state[n_state - 1 - local_num] = mp_obj_new_cell(o->state[n_state - 1 - local_num]);
} else {
o->state[n_state - 1 - local_num] = mp_obj_new_cell(MP_OBJ_NULL);
}
o->state[n_state - 1 - local_num] = mp_obj_new_cell(o->state[n_state - 1 - local_num]);
}
// set ip to start of actual byte code

11
py/vm.c
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@ -95,14 +95,15 @@ mp_vm_return_kind_t mp_execute_byte_code(const byte *code, const mp_obj_t *args,
state[n_state - 1 - n_args - i] = args2[i];
}
// set rest of state to MP_OBJ_NULL
for (uint i = 0; i < n_state - n_args - n_args2; i++) {
state[i] = MP_OBJ_NULL;
}
// bytecode prelude: initialise closed over variables
for (uint n_local = *ip++; n_local > 0; n_local--) {
uint local_num = *ip++;
if (local_num < n_args + n_args2) {
state[n_state - 1 - local_num] = mp_obj_new_cell(state[n_state - 1 - local_num]);
} else {
state[n_state - 1 - local_num] = mp_obj_new_cell(MP_OBJ_NULL);
}
state[n_state - 1 - local_num] = mp_obj_new_cell(state[n_state - 1 - local_num]);
}
// execute the byte code