xref: /openbsd/usr.bin/lex/tables_shared.c (revision d89ec533)
1 /* $OpenBSD: tables_shared.c,v 1.1 2015/11/19 19:43:40 tedu Exp $ */
2 
3 #ifdef FLEX_SCANNER
4 /*
5 dnl   tables_shared.c - tables serialization code
6 dnl
7 dnl   Copyright (c) 1990 The Regents of the University of California.
8 dnl   All rights reserved.
9 dnl
10 dnl   This code is derived from software contributed to Berkeley by
11 dnl   Vern Paxson.
12 dnl
13 dnl   The United States Government has rights in this work pursuant
14 dnl   to contract no. DE-AC03-76SF00098 between the United States
15 dnl   Department of Energy and the University of California.
16 dnl
17 dnl   This file is part of flex.
18 dnl
19 dnl   Redistribution and use in source and binary forms, with or without
20 dnl   modification, are permitted provided that the following conditions
21 dnl   are met:
22 dnl
23 dnl   1. Redistributions of source code must retain the above copyright
24 dnl      notice, this list of conditions and the following disclaimer.
25 dnl   2. Redistributions in binary form must reproduce the above copyright
26 dnl      notice, this list of conditions and the following disclaimer in the
27 dnl      documentation and/or other materials provided with the distribution.
28 dnl
29 dnl   Neither the name of the University nor the names of its contributors
30 dnl   may be used to endorse or promote products derived from this software
31 dnl   without specific prior written permission.
32 dnl
33 dnl   THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
34 dnl   IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
35 dnl   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
36 dnl   PURPOSE.
37 dnl
38 */
39 
40 /* This file is meant to be included in both the skeleton and the actual
41  * flex code (hence the name "_shared").
42  */
43 #ifndef yyskel_static
44 #define yyskel_static static
45 #endif
46 #else
47 #include "flexdef.h"
48 #include "tables.h"
49 #ifndef yyskel_static
50 #define yyskel_static
51 #endif
52 #endif
53 
54 
55 /** Get the number of integers in this table. This is NOT the
56  *  same thing as the number of elements.
57  *  @param td the table
58  *  @return the number of integers in the table
59  */
60 yyskel_static flex_int32_t yytbl_calc_total_len (const struct yytbl_data *tbl)
61 {
62 	flex_int32_t n;
63 
64 	/* total number of ints */
65 	n = tbl->td_lolen;
66 	if (tbl->td_hilen > 0)
67 		n *= tbl->td_hilen;
68 
69 	if (tbl->td_id == YYTD_ID_TRANSITION)
70 		n *= 2;
71 	return n;
72 }
73