78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __MICROPY_INCLUDED_PY_QSTR_H__
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#define __MICROPY_INCLUDED_PY_QSTR_H__
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#include "py/mpconfig.h"
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#include "py/misc.h"
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// See qstrdefs.h for a list of qstr's that are available as constants.
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// Reference them as MP_QSTR_xxxx.
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//
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// Note: it would be possible to define MP_QSTR_xxx as qstr_from_str_static("xxx")
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// for qstrs that are referenced this way, but you don't want to have them in ROM.
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enum {
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MP_QSTR_NULL = 0, // indicates invalid/no qstr
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MP_QSTR_ = 1, // the empty qstr
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#define Q(id, str) MP_QSTR_##id,
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#include "genhdr/qstrdefs.generated.h"
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#undef Q
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MP_QSTR_number_of,
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};
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typedef mp_uint_t qstr;
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typedef struct _qstr_pool_t {
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struct _qstr_pool_t *prev;
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mp_uint_t total_prev_len;
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mp_uint_t alloc;
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mp_uint_t len;
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const byte *qstrs[];
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} qstr_pool_t;
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#define QSTR_FROM_STR_STATIC(s) (qstr_from_strn((s), strlen(s)))
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void qstr_init(void);
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mp_uint_t qstr_compute_hash(const byte *data, mp_uint_t len);
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qstr qstr_find_strn(const char *str, mp_uint_t str_len); // returns MP_QSTR_NULL if not found
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qstr qstr_from_str(const char *str);
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qstr qstr_from_strn(const char *str, mp_uint_t len);
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byte* qstr_build_start(mp_uint_t len, byte **q_ptr);
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qstr qstr_build_end(byte *q_ptr);
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mp_uint_t qstr_hash(qstr q);
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const char* qstr_str(qstr q);
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mp_uint_t qstr_len(qstr q);
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const byte* qstr_data(qstr q, mp_uint_t *len);
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void qstr_pool_info(mp_uint_t *n_pool, mp_uint_t *n_qstr, mp_uint_t *n_str_data_bytes, mp_uint_t *n_total_bytes);
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#endif // __MICROPY_INCLUDED_PY_QSTR_H__
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