101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 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.
|
|
*/
|
|
#ifndef MICROPY_INCLUDED_PY_QSTR_H
|
|
#define MICROPY_INCLUDED_PY_QSTR_H
|
|
|
|
#include "py/mpconfig.h"
|
|
#include "py/misc.h"
|
|
|
|
// See qstrdefs.h for a list of qstr's that are available as constants.
|
|
// Reference them as MP_QSTR_xxxx.
|
|
//
|
|
// Note: it would be possible to define MP_QSTR_xxx as qstr_from_str("xxx")
|
|
// for qstrs that are referenced this way, but you don't want to have them in ROM.
|
|
|
|
// first entry in enum will be MP_QSTRnull=0, which indicates invalid/no qstr
|
|
enum {
|
|
#ifndef NO_QSTR
|
|
#define QDEF(id, hash, len, str) id,
|
|
#include "genhdr/qstrdefs.generated.h"
|
|
#undef QDEF
|
|
#endif
|
|
MP_QSTRnumber_of, // no underscore so it can't clash with any of the above
|
|
};
|
|
|
|
typedef size_t qstr;
|
|
typedef uint16_t qstr_short_t;
|
|
|
|
#if MICROPY_QSTR_BYTES_IN_HASH == 1
|
|
typedef uint8_t qstr_hash_t;
|
|
#elif MICROPY_QSTR_BYTES_IN_HASH == 2
|
|
typedef uint16_t qstr_hash_t;
|
|
#else
|
|
#error unimplemented qstr hash decoding
|
|
#endif
|
|
|
|
#if MICROPY_QSTR_BYTES_IN_LEN == 1
|
|
typedef uint8_t qstr_len_t;
|
|
#elif MICROPY_QSTR_BYTES_IN_LEN == 2
|
|
typedef uint16_t qstr_len_t;
|
|
#else
|
|
#error unimplemented qstr length decoding
|
|
#endif
|
|
|
|
typedef struct _qstr_pool_t {
|
|
const struct _qstr_pool_t *prev;
|
|
size_t total_prev_len;
|
|
size_t alloc;
|
|
size_t len;
|
|
qstr_hash_t *hashes;
|
|
qstr_len_t *lengths;
|
|
const char *qstrs[];
|
|
} qstr_pool_t;
|
|
|
|
#define QSTR_TOTAL() (MP_STATE_VM(last_pool)->total_prev_len + MP_STATE_VM(last_pool)->len)
|
|
|
|
void qstr_init(void);
|
|
|
|
mp_uint_t qstr_compute_hash(const byte *data, size_t len);
|
|
qstr qstr_find_strn(const char *str, size_t str_len); // returns MP_QSTRnull if not found
|
|
|
|
qstr qstr_from_str(const char *str);
|
|
qstr qstr_from_strn(const char *str, size_t len);
|
|
|
|
mp_uint_t qstr_hash(qstr q);
|
|
const char *qstr_str(qstr q);
|
|
size_t qstr_len(qstr q);
|
|
const byte *qstr_data(qstr q, size_t *len);
|
|
|
|
void qstr_pool_info(size_t *n_pool, size_t *n_qstr, size_t *n_str_data_bytes, size_t *n_total_bytes);
|
|
void qstr_dump_data(void);
|
|
|
|
#if MICROPY_ROM_TEXT_COMPRESSION
|
|
void mp_decompress_rom_string(byte *dst, const mp_rom_error_text_t src);
|
|
#define MP_IS_COMPRESSED_ROM_STRING(s) (*(byte *)(s) == 0xff)
|
|
#endif
|
|
|
|
#endif // MICROPY_INCLUDED_PY_QSTR_H
|