| 1 | /* $Id: data.c,v 1.15 2008/05/11 15:28:03 ragge Exp $ */
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| 2 | /*
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| 3 | * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * Redistributions of source code and documentation must retain the above
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| 10 | * copyright notice, this list of conditions and the following disclaimer.
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| 11 | * Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditionsand the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * All advertising materials mentioning features or use of this software
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| 15 | * must display the following acknowledgement:
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| 16 | * This product includes software developed or owned by Caldera
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| 17 | * International, Inc.
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| 18 | * Neither the name of Caldera International, Inc. nor the names of other
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| 19 | * contributors may be used to endorse or promote products derived from
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| 20 | * this software without specific prior written permission.
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| 21 | *
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| 22 | * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
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| 23 | * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
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| 24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 25 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 26 | * DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE
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| 27 | * FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 30 | * HOWEVER CAUSED AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT,
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| 31 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 32 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 33 | * POSSIBILITY OF SUCH DAMAGE.
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| 34 | */
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| 35 |
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| 36 | #include "defines.h"
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| 37 | #include "defs.h"
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| 38 |
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| 39 | #if 1 /* RAGGE */
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| 40 | extern FILE *initfile;
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| 41 | #endif
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| 42 |
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| 43 | /* ROUTINES CALLED DURING DATA STATEMENT PROCESSING */
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| 44 | LOCAL void setdata(struct bigblock *, struct bigblock *, ftnint, ftnint);
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| 45 |
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| 46 | static char datafmt[] = "%s\t%05ld\t%05ld\t%d" ;
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| 47 |
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| 48 | /* another initializer, called from parser */
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| 49 | void
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| 50 | dataval(repp, valp)
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| 51 | register struct bigblock *repp, *valp;
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| 52 | {
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| 53 | int i, nrep;
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| 54 | ftnint elen, vlen;
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| 55 | register struct bigblock *p;
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| 56 |
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| 57 | if(repp == NULL)
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| 58 | nrep = 1;
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| 59 | else if (ISICON(repp) && repp->b_const.fconst.ci >= 0)
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| 60 | nrep = repp->b_const.fconst.ci;
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| 61 | else
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| 62 | {
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| 63 | err("invalid repetition count in DATA statement");
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| 64 | frexpr(repp);
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| 65 | goto ret;
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| 66 | }
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| 67 | frexpr(repp);
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| 68 |
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| 69 | if( ! ISCONST(valp) )
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| 70 | {
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| 71 | err("non-constant initializer");
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| 72 | goto ret;
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| 73 | }
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| 74 |
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| 75 | if(toomanyinit) goto ret;
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| 76 | for(i = 0 ; i < nrep ; ++i)
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| 77 | {
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| 78 | p = nextdata(&elen, &vlen);
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| 79 | if(p == NULL)
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| 80 | {
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| 81 | err("too many initializers");
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| 82 | toomanyinit = YES;
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| 83 | goto ret;
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| 84 | }
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| 85 | setdata(p, valp, elen, vlen);
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| 86 | frexpr(p);
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| 87 | }
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| 88 |
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| 89 | ret:
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| 90 | frexpr(valp);
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| 91 | }
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| 92 |
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| 93 |
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| 94 | struct bigblock *nextdata(elenp, vlenp)
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| 95 | ftnint *elenp, *vlenp;
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| 96 | {
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| 97 | register struct bigblock *ip;
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| 98 | struct bigblock *pp;
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| 99 | register struct bigblock *np;
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| 100 | register chainp rp;
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| 101 | bigptr p;
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| 102 | bigptr neltp;
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| 103 | register bigptr q;
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| 104 | int skip;
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| 105 | ftnint off;
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| 106 |
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| 107 | while(curdtp)
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| 108 | {
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| 109 | p = curdtp->chain.datap;
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| 110 | if(p->tag == TIMPLDO)
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| 111 | {
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| 112 | ip = p;
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| 113 | if(ip->b_impldo.implb==NULL || ip->b_impldo.impub==NULL || ip->b_impldo.varnp==NULL)
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| 114 | fatal1("bad impldoblock 0%o", ip);
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| 115 | if(ip->isactive)
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| 116 | ip->b_impldo.varvp->b_const.fconst.ci += ip->b_impldo.impdiff;
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| 117 | else
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| 118 | {
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| 119 | q = fixtype(cpexpr(ip->b_impldo.implb));
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| 120 | if( ! ISICON(q) )
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| 121 | goto doerr;
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| 122 | ip->b_impldo.varvp = q;
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| 123 |
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| 124 | if(ip->b_impldo.impstep)
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| 125 | {
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| 126 | q = fixtype(cpexpr(ip->b_impldo.impstep));
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| 127 | if( ! ISICON(q) )
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| 128 | goto doerr;
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| 129 | ip->b_impldo.impdiff = q->b_const.fconst.ci;
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| 130 | frexpr(q);
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| 131 | }
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| 132 | else
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| 133 | ip->b_impldo.impdiff = 1;
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| 134 |
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| 135 | q = fixtype(cpexpr(ip->b_impldo.impub));
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| 136 | if(! ISICON(q))
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| 137 | goto doerr;
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| 138 | ip->b_impldo.implim = q->b_const.fconst.ci;
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| 139 | frexpr(q);
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| 140 |
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| 141 | ip->isactive = YES;
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| 142 | rp = ALLOC(rplblock);
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| 143 | rp->rplblock.nextp = rpllist;
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| 144 | rpllist = rp;
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| 145 | rp->rplblock.rplnp = ip->b_impldo.varnp;
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| 146 | rp->rplblock.rplvp = ip->b_impldo.varvp;
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| 147 | rp->rplblock.rpltag = TCONST;
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| 148 | }
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| 149 |
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| 150 | if( (ip->b_impldo.impdiff>0 &&
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| 151 | (ip->b_impldo.varvp->b_const.fconst.ci <= ip->b_impldo.implim))
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| 152 | || (ip->b_impldo.impdiff<0 &&
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| 153 | (ip->b_impldo.varvp->b_const.fconst.ci >= ip->b_impldo.implim)))
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| 154 | { /* start new loop */
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| 155 | curdtp = ip->b_impldo.datalist;
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| 156 | goto next;
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| 157 | }
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| 158 |
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| 159 | /* clean up loop */
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| 160 |
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| 161 | popstack(&rpllist);
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| 162 |
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| 163 | frexpr(ip->b_impldo.varvp);
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| 164 | ip->isactive = NO;
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| 165 | curdtp = curdtp->chain.nextp;
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| 166 | goto next;
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| 167 | }
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| 168 |
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| 169 | pp = p;
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| 170 | np = pp->b_prim.namep;
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| 171 | skip = YES;
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| 172 |
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| 173 | if(p->b_prim.argsp==NULL && np->b_name.vdim!=NULL)
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| 174 | { /* array initialization */
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| 175 | q = mkaddr(np);
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| 176 | off = typesize[np->vtype] * curdtelt;
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| 177 | if(np->vtype == TYCHAR)
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| 178 | off *= np->vleng->b_const.fconst.ci;
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| 179 | q->b_addr.memoffset = mkexpr(OPPLUS, q->b_addr.memoffset, mkintcon(off) );
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| 180 | if( (neltp = np->b_name.vdim->nelt) && ISCONST(neltp))
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| 181 | {
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| 182 | if(++curdtelt < neltp->b_const.fconst.ci)
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| 183 | skip = NO;
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| 184 | }
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| 185 | else
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| 186 | err("attempt to initialize adjustable array");
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| 187 | }
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| 188 | else
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| 189 | q = mklhs( cpexpr(pp) );
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| 190 | if(skip)
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| 191 | {
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| 192 | curdtp = curdtp->chain.nextp;
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| 193 | curdtelt = 0;
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| 194 | }
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| 195 | if(q->vtype == TYCHAR)
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| 196 | if(ISICON(q->vleng))
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| 197 | *elenp = q->vleng->b_const.fconst.ci;
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| 198 | else {
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| 199 | err("initialization of string of nonconstant length");
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| 200 | continue;
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| 201 | }
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| 202 | else *elenp = typesize[q->vtype];
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| 203 |
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| 204 | if(np->vstg == STGCOMMON)
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| 205 | *vlenp = extsymtab[np->b_name.vardesc.varno].maxleng;
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| 206 | else if(np->vstg == STGEQUIV)
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| 207 | *vlenp = eqvclass[np->b_name.vardesc.varno].eqvleng;
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| 208 | else {
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| 209 | *vlenp = (np->vtype==TYCHAR ?
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| 210 | np->vleng->b_const.fconst.ci : typesize[np->vtype]);
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| 211 | if(np->b_name.vdim)
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| 212 | *vlenp *= np->b_name.vdim->nelt->b_const.fconst.ci;
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| 213 | }
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| 214 | return(q);
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| 215 |
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| 216 | doerr:
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| 217 | err("nonconstant implied DO parameter");
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| 218 | frexpr(q);
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| 219 | curdtp = curdtp->chain.nextp;
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| 220 |
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| 221 | next: curdtelt = 0;
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| 222 | }
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| 223 |
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| 224 | return(NULL);
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| 225 | }
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| 226 |
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| 227 |
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| 228 |
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| 229 |
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| 230 |
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| 231 |
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| 232 | LOCAL void setdata(varp, valp, elen, vlen)
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| 233 | struct bigblock *varp;
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| 234 | ftnint elen, vlen;
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| 235 | struct bigblock *valp;
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| 236 | {
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| 237 | union constant con;
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| 238 | int i, k;
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| 239 | int stg, type, valtype;
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| 240 | ftnint offset;
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| 241 | register char *s, *t;
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| 242 | static char varname[XL+2];
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| 243 |
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| 244 | /* output form of name is padded with blanks and preceded
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| 245 | with a storage class digit
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| 246 | */
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| 247 |
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| 248 | stg = varp->vstg;
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| 249 | varname[0] = (stg==STGCOMMON ? '2' : (stg==STGEQUIV ? '1' : '0') );
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| 250 | s = memname(stg, varp->b_addr.memno);
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| 251 | for(t = varname+1 ; *s ; )
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| 252 | *t++ = *s++;
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| 253 | while(t < varname+XL+1)
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| 254 | *t++ = ' ';
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| 255 | varname[XL+1] = '\0';
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| 256 |
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| 257 | offset = varp->b_addr.memoffset->b_const.fconst.ci;
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| 258 | type = varp->vtype;
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| 259 | valtype = valp->vtype;
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| 260 | if(type!=TYCHAR && valtype==TYCHAR)
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| 261 | {
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| 262 | if(! ftn66flag)
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| 263 | warn("non-character datum initialized with character string");
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| 264 | varp->vleng = MKICON(typesize[type]);
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| 265 | varp->vtype = type = TYCHAR;
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| 266 | }
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| 267 | else if( (type==TYCHAR && valtype!=TYCHAR) ||
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| 268 | (cktype(OPASSIGN,type,valtype) == TYERROR) )
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| 269 | {
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| 270 | err("incompatible types in initialization");
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| 271 | return;
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| 272 | }
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| 273 | if(type != TYCHAR) {
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| 274 | if(valtype == TYUNKNOWN)
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| 275 | con.ci = valp->b_const.fconst.ci;
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| 276 | else consconv(type, &con, valtype, &valp->b_const.fconst);
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| 277 | }
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| 278 |
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| 279 | k = 1;
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| 280 | switch(type)
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| 281 | {
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| 282 | case TYLOGICAL:
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| 283 | type = tylogical;
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| 284 | case TYSHORT:
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| 285 | case TYLONG:
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| 286 | fprintf(initfile, datafmt, varname, offset, vlen, type);
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| 287 | prconi(initfile, type, con.ci);
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| 288 | break;
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| 289 |
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| 290 | case TYCOMPLEX:
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| 291 | k = 2;
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| 292 | type = TYREAL;
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| 293 | case TYREAL:
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| 294 | goto flpt;
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| 295 |
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| 296 | case TYDCOMPLEX:
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| 297 | k = 2;
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| 298 | type = TYDREAL;
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| 299 | case TYDREAL:
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| 300 | flpt:
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| 301 |
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| 302 | for(i = 0 ; i < k ; ++i)
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| 303 | {
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| 304 | fprintf(initfile, datafmt, varname, offset, vlen, type);
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| 305 | prconr(initfile, type, con.cd[i]);
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| 306 | offset += typesize[type];
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| 307 | }
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| 308 | break;
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| 309 |
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| 310 | case TYCHAR:
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| 311 | k = valp->vleng->b_const.fconst.ci;
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| 312 | if(elen < k)
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| 313 | k = elen;
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| 314 |
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| 315 | for(i = 0 ; i < k ; ++i)
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| 316 | {
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| 317 | fprintf(initfile, datafmt, varname, offset++, vlen, TYCHAR);
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| 318 | fprintf(initfile, "\t%d\n", valp->b_const.fconst.ccp[i]);
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| 319 | }
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| 320 | k = elen - valp->vleng->b_const.fconst.ci;
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| 321 | while( k-- > 0)
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| 322 | {
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| 323 | fprintf(initfile, datafmt, varname, offset++, vlen, TYCHAR);
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| 324 | fprintf(initfile, "\t%d\n", ' ');
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| 325 | }
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| 326 | break;
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| 327 |
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| 328 | default:
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| 329 | fatal1("setdata: impossible type %d", type);
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| 330 | }
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| 331 |
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| 332 | }
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| 333 |
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| 334 |
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| 335 | void
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| 336 | frdata(p0)
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| 337 | chainp p0;
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| 338 | {
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| 339 | register chainp p;
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| 340 | register bigptr q;
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| 341 |
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| 342 | for(p = p0 ; p ; p = p->chain.nextp)
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| 343 | {
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| 344 | q = p->chain.datap;
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| 345 | if(q->tag == TIMPLDO)
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| 346 | {
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| 347 | if(q->isbusy)
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| 348 | return; /* circular chain completed */
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| 349 | q->isbusy = YES;
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| 350 | frdata(q->b_impldo.datalist);
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| 351 | ckfree(q);
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| 352 | }
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| 353 | else
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| 354 | frexpr(q);
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| 355 | }
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| 356 |
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| 357 | frchain( &p0);
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| 358 | }
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