Select Git revision
BufferAllocation_1.c
Forked from
card10 / firmware
Source project has a limited visibility.
persistentcode.c 12.47 KiB
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2016 Damien P. George
*
* 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 <stdint.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "py/reader.h"
#include "py/emitglue.h"
#include "py/persistentcode.h"
#include "py/bc.h"
#if MICROPY_PERSISTENT_CODE_LOAD || MICROPY_PERSISTENT_CODE_SAVE
#include "py/smallint.h"
// The feature flags byte encodes the compile-time config options that
// affect the generate bytecode.
#define MPY_FEATURE_FLAGS ( \
((MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) << 0) \
| ((MICROPY_PY_BUILTINS_STR_UNICODE) << 1) \
)
// This is a version of the flags that can be configured at runtime.
#define MPY_FEATURE_FLAGS_DYNAMIC ( \
((MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC) << 0) \
| ((MICROPY_PY_BUILTINS_STR_UNICODE_DYNAMIC) << 1) \
)
#if MICROPY_PERSISTENT_CODE_LOAD || (MICROPY_PERSISTENT_CODE_SAVE && !MICROPY_DYNAMIC_COMPILER)
// The bytecode will depend on the number of bits in a small-int, and
// this function computes that (could make it a fixed constant, but it
// would need to be defined in mpconfigport.h).
STATIC int mp_small_int_bits(void) {
mp_int_t i = MP_SMALL_INT_MAX;
int n = 1;
while (i != 0) {
i >>= 1;
++n;
}
return n;
}
#endif
typedef struct _bytecode_prelude_t {
uint n_state;
uint n_exc_stack;