1 /* yylex - scanner front-end for flex */
3 /* Copyright (c) 1990 The Regents of the University of California. */
4 /* All rights reserved. */
6 /* This code is derived from software contributed to Berkeley by */
9 /* The United States Government has rights in this work pursuant */
10 /* to contract no. DE-AC03-76SF00098 between the United States */
11 /* Department of Energy and the University of California. */
13 /* This file is part of flex. */
15 /* Redistribution and use in source and binary forms, with or without */
16 /* modification, are permitted provided that the following conditions */
19 /* 1. Redistributions of source code must retain the above copyright */
20 /* notice, this list of conditions and the following disclaimer. */
21 /* 2. Redistributions in binary form must reproduce the above copyright */
22 /* notice, this list of conditions and the following disclaimer in the */
23 /* documentation and/or other materials provided with the distribution. */
25 /* Neither the name of the University nor the names of its contributors */
26 /* may be used to endorse or promote products derived from this software */
27 /* without specific prior written permission. */
29 /* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */
30 /* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */
31 /* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
39 /* yylex - scan for a regular expression token */
43 bool no_section3_escape = false;
47 static int beglin = false;
52 toktype = flexscan ();
54 if (toktype == EOF || toktype == 0) {
58 synerr (_("premature EOF"));
69 fprintf (stderr, "%d\t", num_rules + 1);
94 (void) putc (toktype, stderr);
98 (void) putc ('\n', stderr);
106 fputs ("%s", stderr);
110 fputs ("%x", stderr);
114 fputs ("%%\n", stderr);
116 /* We set beglin to be true so we'll start
117 * writing out numbers as we echo rules.
118 * flexscan() has already assigned sectnum.
126 fprintf (stderr, "'%s'", nmstr);
151 fprintf (stderr, "\\%c", yylval);
155 if (!isascii (yylval) || !isprint (yylval)) {
157 fprintf (stderr, "\\x%02x", (unsigned int) yylval);
159 fprintf (stderr, "\\%.3o", (unsigned int) yylval);
161 (void) putc (yylval, stderr);
168 fprintf (stderr, "%d", yylval);
172 fprintf (stderr, "[%d]", yylval);
176 fprintf (stderr, "<<EOF>>");
180 fprintf (stderr, "%s ", yytext);
197 fprintf (stderr, "%s", yytext);
201 fprintf (stderr, _("End Marker\n"));
207 ("*Something Weird* - tok: %d val: %d\n"),