generate.c revision 1.6 
1/*	$OpenPackages$ */
2/*	$OpenBSD: generate.c,v 1.6 2006/01/20 23:10:19 espie Exp $ */
3
4/*
5 * Copyright (c) 2001 Marc Espie.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
20 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <stddef.h>
30#include <stdio.h>
31#include <stdint.h>
32#include <stdlib.h>
33
34#include "stats.h"
35#include "ohash.h"
36#include "cond_int.h"
37#include "var_int.h"
38
39#define M(x)	x, #x
40char *table_var[] = {
41	M(TARGET),
42	M(OODATE),
43	M(ALLSRC),
44	M(IMPSRC),
45	M(PREFIX),
46	M(ARCHIVE),
47	M(MEMBER),
48	M(LONGTARGET),
49	M(LONGOODATE),
50	M(LONGALLSRC),
51	M(LONGIMPSRC),
52	M(LONGPREFIX),
53	M(LONGARCHIVE),
54	M(LONGMEMBER),
55	M(FTARGET),
56	M(DTARGET),
57	M(FPREFIX),
58	M(DPREFIX),
59	M(FARCHIVE),
60	M(DARCHIVE),
61	M(FMEMBER),
62	M(DMEMBER),
63	NULL
64};
65
66char *table_cond[] = {
67	M(COND_IF),
68	M(COND_IFDEF),
69	M(COND_IFNDEF),
70	M(COND_IFMAKE),
71	M(COND_IFNMAKE),
72	M(COND_ELSE),
73	M(COND_ELIF),
74	M(COND_ELIFDEF),
75	M(COND_ELIFNDEF),
76	M(COND_ELIFMAKE),
77	M(COND_ELIFNMAKE),
78	M(COND_ENDIF),
79	M(COND_FOR),
80	M(COND_ENDFOR),
81	M(COND_INCLUDE),
82	M(COND_UNDEF),
83	NULL
84};
85
86
87char **table[] = {
88	table_var,
89	table_cond
90};
91
92int
93main(int argc, char *argv[])
94{
95	uint32_t i;
96	uint32_t v;
97	uint32_t h;
98	uint32_t slots;
99	const char *e;
100	char **occupied;
101	char **t;
102	int tn;
103
104	Init_Stats();
105	if (argc != 3)
106		exit(1);
107
108	tn = atoi(argv[1]);
109	if (!tn)
110		exit(1);
111	t = table[tn-1];
112	slots = atoi(argv[2]);
113	if (slots) {
114		occupied = malloc(sizeof(char *) * slots);
115		if (!occupied)
116			exit(1);
117		for (i = 0; i < slots; i++)
118			occupied[i] = NULL;
119	} else
120		occupied = NULL;
121
122	printf("/* File created by generate %d %d, do not edit */\n",
123	    tn, slots);
124	for (i = 0; t[i] != NULL; i++) {
125		e = NULL;
126		v = ohash_interval(t[i], &e);
127		if (slots) {
128			h = v % slots;
129			if (occupied[h]) {
130				fprintf(stderr,
131				    "Collision: %s / %s (%d)\n", occupied[h],
132				    t[i], h);
133				exit(1);
134			}
135			occupied[h] = t[i];
136		}
137		i++;
138		printf("#define K_%s %u\n", t[i], v);
139	}
140	if (slots)
141		printf("#define MAGICSLOTS%d %u\n", tn, slots);
142	exit(0);
143}
144