circuitpython/py/frozenmod.c

55 lines
1.9 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paul Sokolovsky
*
* 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 <string.h>
#include <stdint.h>
#include "py/lexer.h"
#include "py/frozenmod.h"
#if MICROPY_MODULE_FROZEN
extern const uint16_t mp_frozen_sizes[];
extern const char mp_frozen_content[];
mp_lexer_t *mp_find_frozen_module(const char *str, int len) {
const uint16_t *sz_ptr = mp_frozen_sizes;
const char *s = mp_frozen_content;
while (*sz_ptr) {
int l = strlen(s);
if (l == len && !memcmp(str, s, l)) {
s += l + 1;
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR_, s, *sz_ptr, 0);
return lex;
}
s += l + 1 + *sz_ptr++;
}
return NULL;
}
#endif // MICROPY_MODULE_FROZEN