31480fb91b
This allows for better error messages, since the name of the file (sans .py) can now be printed when an exception occurs within a frozen script.
107 lines
3.2 KiB
C
107 lines
3.2 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) 2015 Paul Sokolovsky
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* Copyright (c) 2016 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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#include <string.h>
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#include <stdint.h>
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#include "py/lexer.h"
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#include "py/frozenmod.h"
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#if MICROPY_MODULE_FROZEN_STR
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#ifndef MICROPY_MODULE_FROZEN_LEXER
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#define MICROPY_MODULE_FROZEN_LEXER mp_lexer_new_from_str_len
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#else
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mp_lexer_t *MICROPY_MODULE_FROZEN_LEXER(qstr src_name, const char *str, mp_uint_t len, mp_uint_t free_len);
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#endif
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extern const char mp_frozen_str_names[];
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extern const uint32_t mp_frozen_str_sizes[];
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extern const char mp_frozen_str_content[];
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STATIC mp_lexer_t *mp_find_frozen_str(const char *str, size_t len) {
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const char *name = mp_frozen_str_names;
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size_t offset = 0;
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for (int i = 0; *name != 0; i++) {
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size_t l = strlen(name);
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if (l == len && !memcmp(str, name, l)) {
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qstr source = qstr_from_strn(name, l);
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mp_lexer_t *lex = MICROPY_MODULE_FROZEN_LEXER(source, mp_frozen_str_content + offset, mp_frozen_str_sizes[i], 0);
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return lex;
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}
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name += l + 1;
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offset += mp_frozen_str_sizes[i] + 1;
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}
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return NULL;
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}
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#endif
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#if MICROPY_MODULE_FROZEN_MPY
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#include "py/emitglue.h"
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extern const char mp_frozen_mpy_names[];
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extern const mp_raw_code_t *const mp_frozen_mpy_content[];
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STATIC const mp_raw_code_t *mp_find_frozen_mpy(const char *str, size_t len) {
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const char *name = mp_frozen_mpy_names;
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for (size_t i = 0; *name != 0; i++) {
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size_t l = strlen(name);
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if (l == len && !memcmp(str, name, l)) {
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return mp_frozen_mpy_content[i];
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}
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name += l + 1;
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}
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return NULL;
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}
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#endif
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#if MICROPY_MODULE_FROZEN
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int mp_find_frozen_module(const char *str, size_t len, void **data) {
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#if MICROPY_MODULE_FROZEN_STR
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mp_lexer_t *lex = mp_find_frozen_str(str, len);
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if (lex != NULL) {
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*data = lex;
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return MP_FROZEN_STR;
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}
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#endif
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#if MICROPY_MODULE_FROZEN_MPY
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const mp_raw_code_t *rc = mp_find_frozen_mpy(str, len);
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if (rc != NULL) {
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*data = (void*)rc;
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return MP_FROZEN_MPY;
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}
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#endif
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return MP_FROZEN_NONE;
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}
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#endif
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