Annotation of 43BSDReno/contrib/isode-beta/pepsy/pass2.c, revision 1.1

1.1     ! root        1: /* pass2.c */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/pepsy/RCS/pass2.c,v 7.2 90/07/27 08:49:22 mrose Exp $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/pepsy/RCS/pass2.c,v 7.2 90/07/27 08:49:22 mrose Exp $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       pass2.c,v $
        !            12:  * Revision 7.2  90/07/27  08:49:22  mrose
        !            13:  * update
        !            14:  * 
        !            15:  * Revision 7.1  90/07/01  20:00:32  mrose
        !            16:  * update
        !            17:  * 
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  *                               NOTICE
        !            22:  *
        !            23:  *    Acquisition, use, and distribution of this module and related
        !            24:  *    materials are subject to the restrictions of a license agreement.
        !            25:  *    Consult the Preface in the User's Manual for the full terms of
        !            26:  *    this agreement.
        !            27:  *
        !            28:  */
        !            29: 
        !            30: 
        !            31: #include <stdio.h>
        !            32: #include <ctype.h>
        !            33: #include "pepsydefs.h"
        !            34: #include "pass2.h"
        !            35: #include "mine.h"
        !            36: #include "sym.h"
        !            37: 
        !            38: extern int doexternals;
        !            39: extern int sflag;
        !            40: 
        !            41: #if 0
        !            42: extern int hflag;
        !            43: extern int bwidth;
        !            44: 
        !            45: #endif
        !            46: extern char *eval;
        !            47: 
        !            48: #if 0
        !            49: extern char *yyprefix;
        !            50: 
        !            51: #endif
        !            52: extern int Aflag;
        !            53: extern SY mysymbols;
        !            54: extern char *modsym();
        !            55: extern char *my_strcat();
        !            56: extern char *notidtoid();
        !            57: 
        !            58: FILE   *fptab, *ffopen();
        !            59: 
        !            60: peri_pass2()
        !            61: {
        !            62: 
        !            63:     int     nentries;
        !            64:     int     encflag = 1, decflag = 1, prntflag = 1;
        !            65:     char   *buf, *inc, *tab, *act;
        !            66:     SY      sy;
        !            67:     YP      yp;
        !            68:     FILE   *fph, *fphh, *fpe, *fpd, *fpp;
        !            69:     FILE   *fpa;
        !            70: 
        !            71:     if (!sflag)
        !            72:        (void) fflush(stderr);
        !            73: 
        !            74:     if (bflag) {
        !            75:        register int i, j;
        !            76: 
        !            77:        i = 2, j = 10;
        !            78:        for (sy = mysymbols; sy; sy = sy->sy_next)
        !            79:            if (!(sy->sy_type->yp_flags & YP_IMPORTED))
        !            80:                if (++i >= j)
        !            81:                    j *= 10;
        !            82:     }
        !            83:     if (strcmp(mymodule, "UNIV"))
        !            84:        (void) lookup_module("UNIV", NULLOID);
        !            85: 
        !            86:     fph = ffopen(my_strcat(mymodule, HFILE1));
        !            87:     inc = my_strcat (mymodule, HFILE2);
        !            88:     (void) fprintf (fph, "#ifndef\tPEPYPATH\n");
        !            89:     (void) fprintf (fph, "#include <isode/pepsy/%s>\n", inc);
        !            90:     (void) fprintf (fph, "#else\n");
        !            91:     (void) fprintf (fph, "#include \"%s\"\n", inc);
        !            92:     (void) fprintf (fph, "#endif\n\n\n");
        !            93: 
        !            94: #ifdef ACT_CODE
        !            95:     act = my_strcat(mymodule, ACTIONDEFS);
        !            96: 
        !            97:     fpe = ffopen(my_strcat(mymodule, ENCFILENAME));
        !            98:     file_header(fpe, act);
        !            99:     fpd = ffopen(my_strcat(mymodule, DECFILENAME));
        !           100:     file_header(fpd, act);
        !           101:     fpp = ffopen(my_strcat(mymodule, PRNTFILENAME));
        !           102:     file_header(fpp, act);
        !           103:     fpa = ffopen(act);
        !           104: #endif
        !           105:     tab = notidtoid(mymodule);
        !           106:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           107:        eval = sy->sy_name;
        !           108:        yp = sy->sy_type;
        !           109: 
        !           110:        if (sy->sy_module == NULLCP)
        !           111:            yyerror("no module name associated with symbol");
        !           112:        if (yp->yp_flags & YP_IMPORTED)
        !           113:            continue;
        !           114:        if (strcmp(sy->sy_module, mymodule)) {
        !           115:            fprintf(stderr, "mymodule unsuitable for module name e.g %s and %s(mymodule)\n", sy->sy_module, mymodule);
        !           116:            exit(1);
        !           117:        }
        !           118:        if (yp->yp_direction & YP_ENCODER || Aflag) {
        !           119:            buf = modsym (sy -> sy_module, sy -> sy_name, yyencdflt);
        !           120:            fprintf(fph, "#define %s", buf);
        !           121:            fprintf(fph, "(pe, top, len, buffer, parm) \\\n");
        !           122:            fprintf(fph, "    %s(%s%s, ", ENCFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           123:            fprintf(fph, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           124:            fprintf(fph, "pe, top, len, buffer, (char *) parm)\n\n");
        !           125: #ifdef ACT_CODE
        !           126:            if (encflag) {
        !           127:                fprintf(fpe, "%s%s", ENC_FNCNAME, tab);
        !           128:                open_func(fpe);
        !           129:                encflag--;
        !           130:            }
        !           131: #endif
        !           132:            if (bflag)
        !           133:                init_new_file();
        !           134:            if (bflag)
        !           135:                end_file();
        !           136:        }
        !           137:        if (yp->yp_direction & YP_DECODER || Aflag) {
        !           138:            buf = modsym (sy -> sy_module, sy -> sy_name, yydecdflt);
        !           139:            if (bflag)
        !           140:                init_new_file();
        !           141:            fprintf(fph, "#define %s", buf);
        !           142:            fprintf(fph, "(pe, top, len, buffer, parm) \\\n");
        !           143:            fprintf(fph, "    %s(%s%s, ", DECFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           144:            fprintf(fph, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           145:            fprintf(fph, "pe, top, len, buffer, (char **) parm)\n\n");
        !           146: #if ACT_CODE
        !           147:            if (decflag) {
        !           148:                fprintf(fpd, "%s%s", DEC_FNCNAME, tab);
        !           149:                open_func(fpd);
        !           150:                decflag--;
        !           151:            }
        !           152: #endif
        !           153:            if (bflag)
        !           154:                end_file();
        !           155:        }
        !           156:        if (yp->yp_direction & YP_PRINTER || Aflag) {
        !           157:            buf = modsym (sy -> sy_module, sy -> sy_name, yyprfdflt);
        !           158:            if (bflag)
        !           159:                init_new_file();
        !           160:            fprintf(fph, "#define %s", buf);
        !           161:            fprintf(fph, "(pe, top, len, buffer, parm) \\\n");
        !           162:            fprintf(fph, "    %s(%s%s, ", PRNTFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           163:            fprintf(fph, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           164: #if 0  
        !           165:             /* no parm arguement to prnt_f now */
        !           166:             fprintf(fph, "pe, top, len, buffer, (char *) parm)\n"); 
        !           167: #endif
        !           168:            fprintf(fph, "pe, top, len, buffer)\n");
        !           169:            fprintf(fph, "#define %s_P", buf);
        !           170:            fprintf(fph, "    %s%s, ", PREFIX,
        !           171:                    proc_name(sy->sy_name, 1));
        !           172:            fprintf(fph, "&%s%s%s\n\n", PREFIX, tab, MODTYP_SUFFIX);
        !           173: #ifdef  ACT_CODE
        !           174:            if (prntflag) {
        !           175:                fprintf(fpp, "%s%s", PRNT_FNCNAME, tab);
        !           176:                open_func(fpp);
        !           177:                prntflag--;
        !           178:            }
        !           179: #endif
        !           180:            if (bflag)
        !           181:                end_file();
        !           182:        }
        !           183:        if (!bflag && ferror(stdout))
        !           184:            myyerror("write error - %s", sys_errname(errno));
        !           185:     }
        !           186: 
        !           187: #ifdef ACT_CODE
        !           188:     if (!encflag) {
        !           189:        close_func(fpe);
        !           190:     }
        !           191:     if (!decflag) {
        !           192:        close_func(fpd);
        !           193:     }
        !           194:     if (!prntflag) {
        !           195:        close_func(fpp);
        !           196:     }
        !           197: #endif
        !           198: 
        !           199:     close(fph);
        !           200: #ifdef ACT_CODE
        !           201:     close(fpe);
        !           202:     close(fpd);
        !           203:     close(fpp);
        !           204:     close(fpa);
        !           205: #endif
        !           206: 
        !           207:     fptab = ffopen(my_strcat(mymodule, TBLNAME));
        !           208: 
        !           209:     /* Only need two files <stdio.h> and our types file which includes
        !           210:      * everything else we need
        !           211:      * Assumption. types file in the same directory as the _tables
        !           212:      */
        !           213:     fprintf(fptab, "#include <stdio.h>\n");
        !           214:     fprintf(fptab, "#include \"%s%s\"\n\n", mymodule, GENTYPES);
        !           215: 
        !           216: 
        !           217: #if 0
        !           218:     {
        !           219: #define NFILES  5
        !           220:        char *files[NFILES];
        !           221:        char buf[BUFSIZ];
        !           222:        int     last = 0;       /* next free slot in files */
        !           223: 
        !           224:        strncpy(buf, mymodule, BUFSIZ);
        !           225:        strncat(buf, GENTYPES, BUFSIZ);
        !           226: 
        !           227:        files[last++] = buf;
        !           228:        files[last++] = inc;
        !           229:        files[last++] = (char *)0;
        !           230: 
        !           231:        fprintf(fptab, "#include <stdio.h>\n");
        !           232:        doincl(fptab, files);
        !           233: 
        !           234: #undef NFILES
        !           235:     }
        !           236: 
        !           237:        /* already done in our types.h file */
        !           238:     proc_extmod(fptab);        /* process the external modules here as well */
        !           239: #endif
        !           240: 
        !           241: #if 0
        !           242:     fprintf(fptab, "#include \"%s%s\"\n", mymodule, GENTYPES);
        !           243:     fprintf(fptab, "#include \"%s\"\n", inc);
        !           244: #endif
        !           245: #ifdef ACT_CODE
        !           246:     fprintf(fptab, "#include \"%s\"\n", act);
        !           247: #endif
        !           248:     /*
        !           249:      * loop through and generate all the default values definitions
        !           250:      */
        !           251:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           252:        yp = sy->sy_type;
        !           253:        if (yp->yp_flags & YP_IMPORTED)
        !           254:            continue;
        !           255:        if (yp->yp_direction & (YP_ENCODER | YP_DECODER | YP_PRINTER)
        !           256:            || Aflag) {
        !           257:            gen_dflts(sy->sy_type, sy->sy_name);
        !           258:        }
        !           259:     }
        !           260:     fprintf(fptab, "\n#define OFFSET(t,f)\t((int ) &(((t *)0)->f))\n\n");
        !           261:     nentries = 0;
        !           262:     head = NULL;
        !           263:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           264:        yp = sy->sy_type;
        !           265:        if (yp->yp_flags & YP_IMPORTED)
        !           266:            continue;
        !           267:        if (yp->yp_direction & YP_ENCODER || Aflag) {
        !           268:            nentries++;
        !           269:            gen_enctbl(sy);
        !           270:        }
        !           271:     }
        !           272:     head = NULL;
        !           273:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           274:        yp = sy->sy_type;
        !           275:        if (yp->yp_flags & YP_IMPORTED)
        !           276:            continue;
        !           277:        if (yp->yp_direction & YP_DECODER || Aflag)
        !           278:            gen_dectbl(sy);
        !           279:     }
        !           280: 
        !           281:     head = NULL;
        !           282:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           283:        yp = sy->sy_type;
        !           284:        if (yp->yp_flags & YP_IMPORTED)
        !           285:            continue;
        !           286:        if (yp->yp_direction & YP_PRINTER || Aflag)
        !           287:            gen_prnttbl(sy);
        !           288:     }
        !           289: 
        !           290:     fphh = ffopen(inc);
        !           291:     fprintf(fphh, "\nextern modtyp     %s%s%s;\n",
        !           292:            PREFIX, tab, MODTYP_SUFFIX);
        !           293:     out_final_defs(fphh);
        !           294:     close(fphh);
        !           295: 
        !           296:     gen_tpe();
        !           297:     gen_modtype(tab, nentries, encflag, decflag, prntflag);
        !           298: 
        !           299: #if 0
        !           300:     write_ph_file();
        !           301:     print_list();
        !           302: #endif
        !           303: 
        !           304:    gen_lint(fptab);
        !           305: 
        !           306:    fclose(fptab);
        !           307: }
        !           308: 
        !           309: gen_enctbl(sy)
        !           310: SY      sy;
        !           311: {
        !           312:     fprintf(fptab, "static tpe %s%s[] = {\n", ETABLE, proc_name(sy->sy_name, 0));
        !           313:     fprintf(fptab, "\t{ PE_START, 0, 0, 0 },\n");
        !           314:     gen_enctbl_rest(sy->sy_type, sy->sy_name);
        !           315:     fprintf(fptab, "\t{ PE_END, 0, 0, 0 }\n");
        !           316:     fprintf(fptab, "\t};\n");
        !           317:     fprintf(fptab, "\n");
        !           318: }
        !           319: 
        !           320: gen_dectbl(sy)
        !           321: SY      sy;
        !           322: {
        !           323:     fprintf(fptab, "static tpe %s%s[] = {\n", DTABLE, proc_name(sy->sy_name, 0));
        !           324:     fprintf(fptab, "\t{ PE_START, 0, 0, 0 },\n");
        !           325:     gen_dectbl_rest(sy->sy_type, sy->sy_name);
        !           326:     fprintf(fptab, "\t{ PE_END, 0, 0, 0 }\n");
        !           327:     fprintf(fptab, "\t};\n");
        !           328:     fprintf(fptab, "\n");
        !           329: }
        !           330: 
        !           331: 
        !           332: gen_prnttbl(sy)
        !           333: SY      sy;
        !           334: {
        !           335:     fprintf(fptab, "static ptpe %s%s[] = {\n", PTABLE, proc_name(sy->sy_name, 0));
        !           336:     fprintf(fptab, "\t{ PE_START, 0, 0, 0, \"%s\" },\n", sy->sy_name);
        !           337:     gen_prnttbl_rest(sy->sy_type, sy->sy_name);
        !           338:     fprintf(fptab, "\t{ PE_END, 0, 0, 0, NULL }\n");
        !           339:     fprintf(fptab, "\t};\n");
        !           340:     fprintf(fptab, "\n");
        !           341: }
        !           342: 
        !           343: 
        !           344: gen_enctbl_rest(yp, id)
        !           345: YP      yp;
        !           346: char   *id;
        !           347: {
        !           348:     int     i;
        !           349: 
        !           350:     i = tenc_typ(yp, id, NULL);
        !           351: }
        !           352: 
        !           353: gen_dectbl_rest(yp, id)
        !           354: YP      yp;
        !           355: char   *id;
        !           356: {
        !           357:     int     i;
        !           358: 
        !           359:     i = tdec_typ(yp, id, NULL);
        !           360: }
        !           361: 
        !           362: gen_prnttbl_rest(yp, id)
        !           363: YP      yp;
        !           364: char   *id;
        !           365: {
        !           366:     int     i;
        !           367: 
        !           368:     i = tprnt_typ(yp, id, NULL);
        !           369: }
        !           370: 
        !           371: 
        !           372: /*
        !           373:  * define the tpe index tables and the pointer table
        !           374:  */
        !           375: gen_tpe()
        !           376: {
        !           377:     SY      sy;
        !           378: 
        !           379:     fprintf(fptab, "static tpe *etabl[] = {\n");
        !           380:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           381:        if (sy->sy_type->yp_flags & YP_IMPORTED)
        !           382:            continue;
        !           383:        if (sy->sy_type->yp_direction & YP_ENCODER || Aflag)
        !           384:            fprintf(fptab, "\t%s%s,\n", ETABLE, proc_name(sy->sy_name, 0));
        !           385:     }
        !           386:     fprintf(fptab, "\t};\n\n");
        !           387: 
        !           388:     fprintf(fptab, "static tpe *dtabl[] = {\n");
        !           389:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           390:        if (sy->sy_type->yp_flags & YP_IMPORTED)
        !           391:            continue;
        !           392:        if (sy->sy_type->yp_direction & YP_DECODER || Aflag)
        !           393:            fprintf(fptab, "\t%s%s,\n", DTABLE, proc_name(sy->sy_name, 0));
        !           394:     }
        !           395:     fprintf(fptab, "\t};\n\n");
        !           396: 
        !           397:     fprintf(fptab, "static ptpe *ptabl[] = {\n");
        !           398:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           399:        if (sy->sy_type->yp_flags & YP_IMPORTED)
        !           400:            continue;
        !           401:        if (sy->sy_type->yp_direction & YP_PRINTER || Aflag)
        !           402:            fprintf(fptab, "\t%s%s,\n", PTABLE, proc_name(sy->sy_name, 0));
        !           403:     }
        !           404:     fprintf(fptab, "\t};\n\n");
        !           405: 
        !           406:     /* produce pointer table */
        !           407:     dump_ptrtab(fptab);
        !           408: }
        !           409: 
        !           410: /*
        !           411:  * output the module structure for this module
        !           412:  */
        !           413: gen_modtype(tab, no, f1, f2, f3)
        !           414: char   *tab;
        !           415: int     no;
        !           416: int     f1, f2, f3;
        !           417: {
        !           418:     if (!f1)
        !           419:        fprintf(fptab, "extern PE\t%s%s();\n", ENC_FNCNAME, tab);
        !           420:     if (!f2)
        !           421:        fprintf(fptab, "extern PE\t%s%s();\n", DEC_FNCNAME, tab);
        !           422:     if (!f3)
        !           423:        fprintf(fptab, "extern PE\t%s%s();\n", PRNT_FNCNAME, tab);
        !           424:     fprintf(fptab, "\n");
        !           425:     fprintf(fptab, "modtyp %s%s%s = {\n", PREFIX, tab, MODTYP_SUFFIX);
        !           426:     fprintf(fptab, "\t\"%s\",\n", mymodule);   /* name */
        !           427:     fprintf(fptab, "\t%d,\n", no);             /* number of entries */
        !           428:                                        /* coding tables */
        !           429:     fprintf(fptab, "\tetabl,\n");
        !           430:     fprintf(fptab, "\tdtabl,\n");
        !           431:     fprintf(fptab, "\tptabl,\n");
        !           432:                                        /* action tables - may disappear */
        !           433:     fprintf(fptab, "\t0,\n");  /* no action code */
        !           434:     fprintf(fptab, "\t0,\n");
        !           435:     fprintf(fptab, "\t0,\n");
        !           436: 
        !           437:     fprintf(fptab, "\t%s%s%s,\n", PREFIX, PTR_TABNAME, tab);
        !           438:     fprintf(fptab, "\t};\n\n");
        !           439: }
        !           440: 
        !           441: /*
        !           442:  * open a file called name
        !           443:  */
        !           444: FILE   *
        !           445: ffopen(name)
        !           446: char   *name;
        !           447: {
        !           448:     FILE   *fp;
        !           449: 
        !           450:     if ((fp = fopen(name, "w")) == NULL) {
        !           451:        fprintf(stderr, "Can't create the file %s", name);
        !           452:        exit(1);
        !           453:     }
        !           454:     return fp;
        !           455: }
        !           456: 
        !           457: #ifdef ACT_CODE
        !           458: /*
        !           459:  * output the file prologue to the file specified by fp
        !           460:  */
        !           461: file_header(fp, act)
        !           462: FILE   *fp;
        !           463: char   *act;
        !           464: {
        !           465:     fprintf(fp, "#include %s\n", PSAP_DOT_H);
        !           466:     fprintf(fp, "#include \"%s\"\n", INCFILE1);
        !           467:     fprintf(fp, "#include \"%s\"\n", act);
        !           468:     fprintf(fp, "#include \"%s%s\"\n\n", mymodule, GENTYPES);
        !           469:     fprintf(fp, "#ifndef PEPYPARM\n");
        !           470:     fprintf(fp, "#define PEPYPARM char *\n");
        !           471:     fprintf(fp, "#endif\n");
        !           472:     fprintf(fp, "extern PEPYPARM NullParm;\n\n");
        !           473: }
        !           474: 
        !           475: #endif
        !           476: 
        !           477: /*
        !           478:  * output the function prologue to the file specified by fp
        !           479:  */
        !           480: open_func(fp)
        !           481: FILE   *fp;
        !           482: {
        !           483: 
        !           484:     fprintf(fp, "(pe, parm, p, mod)\n");
        !           485:     fprintf(fp, "PE\tpe;\n");
        !           486:     fprintf(fp, "PEPYPARM\tparm;\n");
        !           487:     fprintf(fp, "tpe\t*p;\n");
        !           488:     fprintf(fp, "modtyp\t*mod;\n");
        !           489:     fprintf(fp, "{\n");
        !           490:     /* action 0 ???? */
        !           491:     fprintf(fp, "\tswitch (p->pe_ucode) {\n");
        !           492: }
        !           493: 
        !           494: /*
        !           495:  * output the function epilogue to the file specified by fp
        !           496:  */
        !           497: close_func(fp)
        !           498: FILE   *fp;
        !           499: {
        !           500:     fprintf(fp, "\t\tdefault:\n");
        !           501:     fprintf(fp, "\t\t\tbreak;\n");
        !           502:     fprintf(fp, "\t}\n");
        !           503:     fprintf(fp, "\treturn OK;\n}\n\n");
        !           504: }
        !           505: 
        !           506: /*
        !           507:  * print the table id_table
        !           508:  */
        !           509: print_table()
        !           510: {
        !           511:     int     i;
        !           512:     id_entry *t;
        !           513: 
        !           514:     for (i = 0; i < TABLESIZE; i++) {
        !           515:        for (t = id_table[i]; t != NULL; t = t->next)
        !           516:            printf("%s(%d) -->   ", t->r_value, t->def_value);
        !           517:        if (id_table[i] != NULL)
        !           518:            printf("NULL -- %d\n", i);
        !           519:     }
        !           520: }
        !           521: 
        !           522: static struct univ_typ univ_tab[] = {
        !           523:     {"EXTERNAL", "struct       type_UNIV_EXTERNAL      *", "EXTERNAL", 8, 0,
        !           524:     "UNIV", UNF_EXTMOD, YP_UNDF, },
        !           525:     {"GeneralString", "struct  qbuf    *", "OCTETSTRING", 27, 0,
        !           526:     "UNIV", 0, YP_OCT, },
        !           527:     {"GeneralisedTime", "struct        qbuf    *", "OCTETSTRING", 24, 0,
        !           528:     "UNIV", 0, YP_OCT, },
        !           529:     {"GeneralizedTime", "struct        qbuf    *", "OCTETSTRING", 24, 0,
        !           530:     "UNIV", 0, YP_OCT, },
        !           531:     {"GraphicString", "struct  qbuf    *", "OCTETSTRING", 25, 0,
        !           532:     "UNIV", 0, YP_OCT, },
        !           533:     {"IA5String", "struct      qbuf    *", "OCTETSTRING", 22, 0,
        !           534:     "UNIV", 0, YP_OCT, },
        !           535:     {"ISO646String", "struct   qbuf    *", "OCTETSTRING", 26, 0,
        !           536:     "UNIV", 0, YP_OCT, },
        !           537:     {"NumericString", "struct  qbuf    *", "OCTETSTRING", 18, 0,
        !           538:     "UNIV", 0, YP_OCT, },
        !           539:     {"PrintableString", "struct        qbuf    *", "OCTETSTRING", 19, 0,
        !           540:     "UNIV", 0, YP_OCT, },
        !           541:     {"TeletexString", "struct  qbuf    *", "OCTETSTRING", 20, 0,
        !           542:     "UNIV", 0, YP_OCT, },
        !           543:     {"T61String", "struct      qbuf    *", "OCTETSTRING", 20, 0,
        !           544:     "UNIV", 0, YP_OCT, },
        !           545:     {"UTCTime", "struct        qbuf    *", "OCTETSTRING", 23, 0,
        !           546:     "UNIV", 0, YP_OCT, },
        !           547:     {"UniversalTime", "struct  qbuf    *", "OCTETSTRING", 23, 0,
        !           548:     "UNIV", 0, YP_OCT, },
        !           549:     {"VideotexString", "struct qbuf    *", "OCTETSTRING", 21, 0,
        !           550:     "UNIV", 0, YP_OCT, },
        !           551:     {"VisibleString", "struct  qbuf    *", "OCTETSTRING", 26, 0,
        !           552:     "UNIV", 0, YP_OCT, },
        !           553: };
        !           554: 
        !           555: extern struct univ_typ *simptyp();
        !           556: 
        !           557: /*
        !           558:  * Determine wether the type name matches one of the Universal types
        !           559:  * which are to be treated specially. If so return a pointer to the
        !           560:  * data structure which contains the parameters describing how it
        !           561:  * should be processed
        !           562:  */
        !           563: struct univ_typ *
        !           564: univtyp(name)
        !           565: char   *name;
        !           566: {
        !           567:     int     low, high, i;
        !           568:     struct univ_typ *p;
        !           569: 
        !           570:     low = 0;
        !           571:     high = NENTRIES(univ_tab) - 1;
        !           572:     while (low <= high) {
        !           573:        p = univ_tab + (low + high) / 2;
        !           574:        if ((i = scmp(name, p->univ_name)) == 0)
        !           575:            return (p);
        !           576:        if (low == high)
        !           577:            return (NULL);
        !           578:        if (i < 0)
        !           579:            high = p - univ_tab - 1;
        !           580:        else
        !           581:            low = p - univ_tab + 1;
        !           582:     }
        !           583: 
        !           584: #if OPTIMISED
        !           585:     if ((p = simptyp(name)) == NULL)
        !           586:        return (p);
        !           587: #endif
        !           588: 
        !           589:     return (NULL);
        !           590: }
        !           591: 
        !           592: /*
        !           593:  * Compare two strings returning a number representing the character
        !           594:  * where they differ or 0 if are the same - I wrote this because I
        !           595:  * couldn't trust strcmp to work the same way between numbers and
        !           596:  * letters everywhere. longer strings are greater shorter strings
        !           597:  * numbers are greater then all letters lower case are greater then
        !           598:  * upper case There must be a better way !
        !           599:  */
        !           600: scmp(s1, s2)
        !           601: char   *s1, *s2;
        !           602: {
        !           603:     while (*s1 == *s2 && *s2)
        !           604:        s1++, s2++;
        !           605:     if (*s1 == '\0' && *s2 == '\0')
        !           606:        return (0);
        !           607:     if (*s1 == '\0')
        !           608:        return (-1);
        !           609:     if (*s2 == '\0')
        !           610:        return (1);
        !           611:     if (isalpha(*s1) && isalpha(*s2)) {
        !           612:        if (isupper(*s1) && isupper(*s2))
        !           613:            return (*s1 - *s2);
        !           614:        if (islower(*s1) && islower(*s1))
        !           615:            return (*s1 - *s2);
        !           616:        if (isupper(*s1))
        !           617:            return (-1);
        !           618:        if (islower(*s1))
        !           619:            return (1);
        !           620:     }
        !           621:     if (isdigit(*s1) && isdigit(*s2))
        !           622:        return (*s1 - *s2);
        !           623:     if (isdigit(*s1))
        !           624:        return (1);
        !           625:     if (isdigit(*s2))
        !           626:        return (-1);
        !           627:     return (*s1 - *s2);
        !           628: }
        !           629: 
        !           630: /*
        !           631:  * lookup a symbol and return a pointer to it
        !           632:  */
        !           633: SY
        !           634: syfind(name)
        !           635: char   *name;
        !           636: {
        !           637:     SY      sy;
        !           638: 
        !           639:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           640:        if (sy->sy_type->yp_flags & YP_IMPORTED)
        !           641:            continue;
        !           642:        if (strcmp(name, sy->sy_name) == 0)
        !           643:            return (sy);
        !           644:     }
        !           645:     return (NULL);
        !           646: }
        !           647: /*
        !           648:  * determine if the symbol is a simple type that is optimised
        !           649:  */
        !           650: struct univ_typ *
        !           651: simptyp(yp)
        !           652: YP      yp;
        !           653: {
        !           654:     struct univ_typ *p;
        !           655:     YP      y;
        !           656: 
        !           657:     static struct univ_typ bitstring =
        !           658:     {"Bitstring", "struct      PElement        *", "BITSTRING", 3, 0},
        !           659:             octetstring =
        !           660:     {"GeneralString", "struct  qbuf    *", "OCTETSTRING", 4, 0},
        !           661:             oid =
        !           662:     {"Object Identifier", "struct      OIDentifier     *", "OBJIDENT", 6, 0},
        !           663:             obj =
        !           664:     {"Module", "struct OIDentifier     *",
        !           665:     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 27, 0};
        !           666: 
        !           667: #define MSTRING 30             /* number of Xs in the above string */
        !           668: 
        !           669:     switch (yp->yp_code) {
        !           670:     case YP_BIT:
        !           671:     case YP_BITLIST:
        !           672:        return (&bitstring);
        !           673: 
        !           674:     case YP_SEQ:
        !           675:     case YP_SET:
        !           676:     case YP_ANY:
        !           677:        return (&bitstring);
        !           678: 
        !           679:     case YP_OCT:
        !           680:        return (&octetstring);
        !           681: 
        !           682:     case YP_OID:
        !           683:        return (&oid);
        !           684: 
        !           685:     case YP_IDEFINED:
        !           686:        strncpy(p->univ_tab, yp->yp_identifier, MSTRING);
        !           687:        return (&obj);
        !           688: 
        !           689: 
        !           690:     case YP_SEQLIST:
        !           691:     case YP_SETLIST:
        !           692:     case YP_CHOICE:
        !           693: #if 0
        !           694:        if (hflag && (y = yp->yp_type) && !y->yp_next) {
        !           695:            ferr(1, "simtyp: -h flag not implemented\n");
        !           696:            return (NULL);
        !           697:        }
        !           698: #endif
        !           699: 
        !           700:     default:
        !           701:        return (NULL);
        !           702:     }
        !           703: }
        !           704: 
        !           705: /*
        !           706:  * Generate function definitions for all the macros so that lint
        !           707:  * can type check all thier uses
        !           708:  */
        !           709: gen_lint(fp)
        !           710: FILE   *fp;
        !           711: {
        !           712:     char   *buf, *tab; 
        !           713:     SY      sy;
        !           714:     YP      yp;
        !           715: 
        !           716:     fprintf(fp, "\n#ifdef\tlint\n");
        !           717:     tab = notidtoid(mymodule);
        !           718:     for (sy = mysymbols; sy; sy = sy->sy_next) {
        !           719:        eval = sy->sy_name;
        !           720:        yp = sy->sy_type;
        !           721: 
        !           722:        if (sy->sy_module == NULLCP)
        !           723:            yyerror("no module name associated with symbol");
        !           724:        if (yp->yp_flags & YP_IMPORTED)
        !           725:            continue;
        !           726:        if (strcmp(sy->sy_module, mymodule)) {
        !           727:            fprintf(stderr,
        !           728:              "mymodule unsuitable for module name e.g %s and %s(mymodule)\n",
        !           729:              sy->sy_module, mymodule);
        !           730:            exit(1);
        !           731:        }
        !           732:        /* Encoding routine */
        !           733:        buf = modsym (sy -> sy_module, sy -> sy_name, yyencdflt);
        !           734:        fprintf(fp, "\n#undef %s\n", buf);
        !           735:        fprintf(fp, "int        %s", buf);
        !           736:        fprintf(fp, "(pe, top, len, buffer, parm)\n");
        !           737:        fprintf(fp, "PE *pe;\n");
        !           738:        fprintf(fp, "int        top,\n\tlen;\n");
        !           739:        fprintf(fp, "char       buffer;\n");
        !           740:        fprintf(fp, "struct %s  parm;\n",
        !           741:            modsym(sy->sy_module, sy->sy_name, "type"));
        !           742:        fprintf(fp, "{\n  return (%s(%s%s, ",
        !           743:            ENCFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           744:        fprintf(fp, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           745:        fprintf(fp, "pe, top, len, buffer, (char *) parm)\n}\n");
        !           746: 
        !           747:        /* Decoding routine */
        !           748:        buf = modsym (sy -> sy_module, sy -> sy_name, yydecdflt);
        !           749:        fprintf(fp, "\n#undef %s\n", buf);
        !           750:        fprintf(fp, "int        %s", buf);
        !           751:        fprintf(fp, "(pe, top, len, buffer, parm)\n");
        !           752:        fprintf(fp, "PE pe;\n");
        !           753:        fprintf(fp, "int        top,\n\t*len;\n");
        !           754:        fprintf(fp, "char       *buffer;\n");
        !           755:        fprintf(fp, "struct %s  parm;\n",
        !           756:            modsym(sy->sy_module, sy->sy_name, "type"));
        !           757:        fprintf(fp, "{\n  return (%s(%s%s, ",
        !           758:            DECFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           759:        fprintf(fp, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           760:        fprintf(fp, "pe, top, len, buffer, (char *) parm)\n}\n");
        !           761: 
        !           762: 
        !           763:        /* Printing routine */
        !           764:        buf = modsym (sy -> sy_module, sy -> sy_name, yyprfdflt);
        !           765:        fprintf(fp, "\n#undef %s\n", buf);
        !           766:        fprintf(fp, "int        %s", buf);
        !           767:        fprintf(fp, "(pe, top, len, buffer, parm)\n");
        !           768:        fprintf(fp, "PE pe;\n");
        !           769:        fprintf(fp, "int        top,\n\t*len;\n");
        !           770:        fprintf(fp, "char       *buffer;\n");
        !           771:        fprintf(fp, "struct %s  parm;\n",
        !           772:            modsym(sy->sy_module, sy->sy_name, "type"));
        !           773:        fprintf(fp, "{\n  return (%s(%s%s, ",
        !           774:            PRNTFNCNAME, PREFIX, proc_name(sy->sy_name, 1));
        !           775:        fprintf(fp, "&%s%s%s, ", PREFIX, tab, MODTYP_SUFFIX);
        !           776:        fprintf(fp, "pe, top, len, buffer, (char *) parm)\n}\n");
        !           777: 
        !           778:        if (ferror(fp))
        !           779:            myyerror("write error - %s", sys_errname(errno));
        !           780:     }
        !           781:     fprintf(fp, "\n#endif\t/* lint */\n");
        !           782: }
        !           783: 
        !           784: /*
        !           785:  * pointer table support routines
        !           786:  */
        !           787: static char    *ptr_tab[MAXPTRS];      /* reference of the pointer */
        !           788: static int     ptr_cnt = 0;
        !           789: 
        !           790: /*
        !           791:  * add the given pointer to the pointer table and return its index
        !           792:  */
        !           793: addptr(p)
        !           794: char   *p;
        !           795: {
        !           796:     int        ind;
        !           797:     register int i;
        !           798:     register char *s;
        !           799: 
        !           800:     /*
        !           801:      * try to eliminate common pointers by returning a ponter if it matches
        !           802:      * previously
        !           803:      */
        !           804:     for (i = 0; i < ptr_cnt; i++)
        !           805:        if (strcmp(p, ptr_tab[i]) == 0)
        !           806:             return (i);
        !           807: 
        !           808:     if (ptr_cnt >= MAXPTRS) {
        !           809:        fprintf(stderr, "\npointer table overflow %d\n", ptr_cnt);
        !           810:        exit(1);
        !           811:     }
        !           812: 
        !           813:     if ((s = malloc ((unsigned) (strlen (p) + 1))) == NULLCP) {
        !           814:        fprintf(stderr, "\naddptr:out of memory\n");
        !           815:        exit(1);
        !           816:     }
        !           817:     (void) strcpy (s, p);
        !           818: 
        !           819:     ptr_tab[ind = ptr_cnt++] = s;
        !           820: 
        !           821:     return (ind);
        !           822: }
        !           823: 
        !           824: 
        !           825: dump_ptrtab(fp)
        !           826: FILE   *fp;
        !           827: {
        !           828:     char       *tab;
        !           829:     int                i;
        !           830: 
        !           831:     tab = notidtoid(mymodule);
        !           832: 
        !           833:     fprintf(fp, "\n/* Pointer table %d entries */\n", ptr_cnt);
        !           834:     fprintf(fp, "static caddr_t %s%s%s[] = {\n", PREFIX, PTR_TABNAME, tab);
        !           835: 
        !           836:     for (i = 0; i < ptr_cnt; i++)
        !           837:        fprintf(fp, "    (caddr_t ) %s,\n", ptr_tab[i]);
        !           838:     
        !           839:     if (ptr_cnt <= 0)
        !           840:        fprintf(fp, "    (caddr_t ) 0,\n");     /* for fussy C compilers */
        !           841: 
        !           842:     fprintf(fp, "};\n");
        !           843: }

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