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/* This file is part of the software similarity tester SIM.
Written by Dick Grune, Vrije Universiteit, Amsterdam.
$Id: token.c,v 2.4 2001/11/13 12:55:58 dick Exp $
*/
/*
Token interface, implementation part.
*/
#include <stdio.h>
#include "token.h"
void
print_token(FILE *ofile, TOKEN tk) {
/* prints a token, in two characters:
normal char meta (bit 8 set)
^A cntl $A meta-cntl
A printable #A meta
^? DEL $? meta-DEL
*/
register int ch = TOKEN2int(tk) & 0177;
register int meta = TOKEN2int(tk) & 0200;
if (' ' <= ch && ch <= '~') {
fprintf(ofile, "%c%c", (meta ? '#' : ' '), ch);
}
else {
fprintf(ofile, "%c%c",
(meta ? '$' : '^'),
(ch == 0177 ? '?' : ch + '@')
);
}
}
#ifdef TESTTOKEN
int
TOKEN_EQ(TOKEN t1, TOKEN t2) {
/* to make sure TOKEN_EQ is indeed called with two TOKEN parameters */
return TOKEN2int(t1) == TOKEN2int(t2);
}
#endif /* TESTTOKEN */
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