44 lines
2.2 KiB
C
44 lines
2.2 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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typedef struct _mp_obj_str_t {
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mp_obj_base_t base;
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// XXX here we assume the hash size is 16 bits (it is at the moment; see qstr.c)
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machine_uint_t hash : 16;
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// len == number of bytes used in data, alloc = len + 1 because (at the moment) we also append a null byte
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machine_uint_t len : 16;
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// charlen == number of characters in the string - charlen <= len - 1, and is the value returned by len() in Python
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machine_uint_t charlen : 16;
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char flags; //Currently unused, always 1. Will later get markers eg ASCII-only.
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const void *data; //Character data is encoded UTF-8 and should not be blindly indexed.
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} mp_obj_str_t;
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// This is valid ONLY for pure-ASCII strings!
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#define MP_DEFINE_STR_OBJ(obj_name, str) mp_obj_str_t obj_name = {{&mp_type_str}, 0, sizeof(str) - 1, sizeof(str) - 1, 1, (const byte*)str};
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mp_obj_t mp_obj_str_format(uint n_args, const mp_obj_t *args);
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mp_obj_t mp_obj_new_str_of_type(const mp_obj_type_t *type, const byte* data, uint len);
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