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Annotation of src/usr.bin/make/generate.c, Revision 1.4

1.4     ! espie       1: /*     $OpenPackages$ */
        !             2: /*     $OpenBSD$ */
1.1       espie       3:
1.4     ! espie       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>
1.1       espie      30: #include <stdio.h>
                     31: #include <stdlib.h>
                     32:
1.3       espie      33: #include "stats.h"
1.1       espie      34: #include "ohash.h"
1.3       espie      35: #include "cond_int.h"
1.4     ! espie      36: #include "var_int.h"
1.1       espie      37:
                     38: #define M(x)   x, #x
1.3       espie      39: char *table_var[] = {
1.1       espie      40:        M(TARGET),
                     41:        M(OODATE),
                     42:        M(ALLSRC),
                     43:        M(IMPSRC),
                     44:        M(PREFIX),
                     45:        M(ARCHIVE),
                     46:        M(MEMBER),
                     47:        M(LONGTARGET),
                     48:        M(LONGOODATE),
                     49:        M(LONGALLSRC),
                     50:        M(LONGIMPSRC),
                     51:        M(LONGPREFIX),
                     52:        M(LONGARCHIVE),
1.3       espie      53:        M(LONGMEMBER),
                     54:        M(FTARGET),
                     55:        M(DTARGET),
                     56:        M(FPREFIX),
                     57:        M(DPREFIX),
                     58:        M(FARCHIVE),
                     59:        M(DARCHIVE),
                     60:        M(FMEMBER),
                     61:        M(DMEMBER),
                     62:        NULL
1.1       espie      63: };
                     64:
1.3       espie      65: char *table_cond[] = {
                     66:        M(COND_IF),
                     67:        M(COND_IFDEF),
                     68:        M(COND_IFNDEF),
                     69:        M(COND_IFMAKE),
                     70:        M(COND_IFNMAKE),
                     71:        M(COND_ELSE),
                     72:        M(COND_ELIFDEF),
                     73:        M(COND_ELIFNDEF),
                     74:        M(COND_ELIFMAKE),
                     75:        M(COND_ELIFNMAKE),
                     76:        M(COND_ENDIF),
                     77:        M(COND_FOR),
                     78:        M(COND_INCLUDE),
                     79:        M(COND_UNDEF),
                     80:        NULL
                     81: };
                     82:
                     83:
                     84: char **table[] = {
                     85:        table_var,
                     86:        table_cond
                     87: };
1.1       espie      88:
                     89: int
                     90: main(int argc, char *argv[])
                     91: {
                     92:        u_int32_t i;
                     93:        u_int32_t v;
                     94:        u_int32_t h;
                     95:        u_int32_t slots;
                     96:        const char *e;
                     97:        char **occupied;
1.3       espie      98:        char **t;
                     99:        int tn;
1.1       espie     100:
                    101:        Init_Stats();
1.3       espie     102:        if (argc != 3)
1.1       espie     103:                exit(1);
                    104:
1.3       espie     105:        tn = atoi(argv[1]);
                    106:        if (!tn)
1.1       espie     107:                exit(1);
1.3       espie     108:        t = table[tn-1];
                    109:        slots = atoi(argv[2]);
                    110:        if (slots) {
                    111:                occupied = malloc(sizeof(char *) * slots);
                    112:                if (!occupied)
                    113:                        exit(1);
                    114:                for (i = 0; i < slots; i++)
                    115:                        occupied[i] = NULL;
                    116:        } else
                    117:                occupied = NULL;
                    118:
                    119:        printf("/* File created by generate %d %d, do not edit */\n",
                    120:            tn, slots);
                    121:        for (i = 0; t[i] != NULL; i++) {
1.1       espie     122:                e = NULL;
1.3       espie     123:                v = ohash_interval(t[i], &e);
                    124:                if (slots) {
                    125:                        h = v % slots;
                    126:                        if (occupied[h]) {
                    127:                                fprintf(stderr,
                    128:                                    "Collision: %s / %s (%d)\n", occupied[h],
                    129:                                    t[i], h);
                    130:                                exit(1);
                    131:                        }
                    132:                        occupied[h] = t[i];
1.1       espie     133:                }
1.3       espie     134:                i++;
                    135:                printf("#define K_%s %u\n", t[i], v);
1.1       espie     136:        }
1.3       espie     137:        if (slots)
                    138:                printf("#define MAGICSLOTS%d %u\n", tn, slots);
1.1       espie     139:        exit(0);
                    140: }