mirror of
https://github.com/janet-lang/janet
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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Copyright (c) 2025 Calvin Rose
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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
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell 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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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static int is_symbol_char_gen(uint8_t c) {
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if (c & 0x80) return 1;
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if (c >= 'a' && c <= 'z') return 1;
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if (c >= 'A' && c <= 'Z') return 1;
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if (c >= '0' && c <= '9') return 1;
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return (c == '!' ||
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c == '$' ||
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c == '%' ||
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c == '&' ||
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c == '*' ||
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c == '+' ||
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c == '-' ||
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c == '.' ||
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c == '/' ||
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c == ':' ||
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c == '<' ||
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c == '?' ||
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c == '=' ||
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c == '>' ||
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c == '@' ||
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c == '^' ||
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c == '_');
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}
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int main() {
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printf("static const uint32_t symchars[8] = {\n ");
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for (int i = 0; i < 256; i += 32) {
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uint32_t block = 0;
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for (int j = 0; j < 32; j++) {
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block |= is_symbol_char_gen(i + j) << j;
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}
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printf("0x%08x%s", block, (i == (256 - 32)) ? "" : ", ");
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}
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printf("\n};\n");
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return 0;
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}
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