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/*
* 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_static("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_QSTR_NULL=0, which indicates invalid/no qstr
enum {
#ifndef NO_QSTR
#define QDEF(id, 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 struct _qstr_pool_t {
struct _qstr_pool_t *prev;
size_t total_prev_len;
size_t alloc;
size_t len;
const byte *qstrs[];
} qstr_pool_t;
#define QSTR_FROM_STR_STATIC(s) (qstr_from_strn((s), strlen(s)))
#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_QSTR_NULL 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);
#endif // MICROPY_INCLUDED_PY_QSTR_H
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