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Annotation of OpenXM_contrib2/asir2000/builtin/reduct.c, Revision 1.3

1.2       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3     ! noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.3     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/reduct.c,v 1.2 2000/08/21 08:31:21 noro Exp $
1.2       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
                     52:
                     53: void Pred(), Predc(), Pprim();
                     54:
                     55: struct ftab reduct_tab[] = {
                     56:        {"red",Pred,1},
                     57:        {"redc",Predc,2},
                     58:        {"prim",Pprim,-2},
                     59:        {0,0,0},
                     60: };
                     61:
                     62: void Pred(arg,rp)
                     63: NODE arg;
                     64: Obj *rp;
                     65: {
                     66:        asir_assert(ARG0(arg),O_R,"red");
                     67:        reductr(CO,(Obj)ARG0(arg),rp);
                     68: }
                     69:
                     70: void Predc(arg,rp)
                     71: NODE arg;
                     72: P *rp;
                     73: {
                     74:        asir_assert(ARG0(arg),O_P,"redc");
                     75:        asir_assert(ARG1(arg),O_P,"redc");
                     76:        remsdcp(CO,(P)ARG0(arg),(P)ARG1(arg),rp);
                     77: }
                     78:
                     79: void Pprim(arg,rp)
                     80: NODE arg;
                     81: P *rp;
                     82: {
                     83:        P t,p,p1,r;
                     84:        V v;
                     85:        VL vl;
                     86:
                     87:        asir_assert(ARG0(arg),O_P,"prim");
                     88:        p = (P)ARG0(arg);
                     89:        if ( NUM(p) )
                     90:                *rp = (P)ONE;
                     91:        else {
                     92:                if ( argc(arg) == 2 ) {
                     93:                        v = VR((P)ARG1(arg));
                     94:                        change_mvar(CO,p,v,&p1);
                     95:                        if ( VR(p1) != v ) {
                     96:                                *rp = (P)ONE; return;
                     97:                        } else {
                     98:                                reordvar(CO,v,&vl); pcp(vl,p1,&r,&t);
                     99:                                restore_mvar(CO,r,v,rp);
                    100:                        }
                    101:                } else
                    102:                        pcp(CO,p,rp,&t);
                    103:        }
                    104: }