libdb/lang/sql/odbc/mkopc.c
2011-09-13 13:44:24 -04:00

42 lines
1 KiB
C

/*
* Make opcodes.[ch] from standard input.
*/
#include <string.h>
#include <stdio.h>
int
main(int argc, char **argv)
{
FILE *c_file, *h_file;
char line[512];
int count = 0;
c_file = fopen("opcodes.c", "w");
h_file = fopen("opcodes.h", "w");
if (c_file == NULL || h_file == NULL) {
fprintf(stderr, "unable to open output file(s)\n");
exit(1);
}
fprintf(c_file, "/* Automatically generated file. Do not edit */\n");
fprintf(c_file, "char *sqliteOpcodeNames[] = { \"???\",\n");
fprintf(h_file, "/* Automatically generated file. Do not edit */\n");
while (fgets(line, sizeof (line), stdin) != NULL) {
if (strncmp(line, "case OP_", 7) == 0) {
char *p, *q;
p = line + 8;
q = strchr(p, ':');
if (q == NULL) {
continue;
}
*q = '\0';
fprintf(c_file, " \"%s\",\n", p);
fprintf(h_file, "#define %-30s %3d\n", p - 3, ++count);
}
}
fprintf(c_file, "};\n");
fclose(h_file);
fclose(c_file);
return 0;
}