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janet/tools/symcharsgen.c
2020-01-12 10:50:37 -06:00

63 lines
2.0 KiB
C

/*
* Copyright (c) 2020 Calvin Rose
*
* 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 <stdio.h>
#include <stdint.h>
static int is_symbol_char_gen(uint8_t c) {
if (c & 0x80) return 1;
if (c >= 'a' && c <= 'z') return 1;
if (c >= 'A' && c <= 'Z') return 1;
if (c >= '0' && c <= '9') return 1;
return (c == '!' ||
c == '$' ||
c == '%' ||
c == '&' ||
c == '*' ||
c == '+' ||
c == '-' ||
c == '.' ||
c == '/' ||
c == ':' ||
c == '<' ||
c == '?' ||
c == '=' ||
c == '>' ||
c == '@' ||
c == '^' ||
c == '_');
}
int main() {
printf("static const uint32_t symchars[8] = {\n ");
for (int i = 0; i < 256; i += 32) {
uint32_t block = 0;
for (int j = 0; j < 32; j++) {
block |= is_symbol_char_gen(i + j) << j;
}
printf("0x%08x%s", block, (i == (256 - 32)) ? "" : ", ");
}
printf("\n};\n");
return 0;
}