File: [local] / OpenXM_contrib2 / asir2000 / builtin / subst.c (download)
Revision 1.9, Sun Jan 31 03:25:54 2010 UTC (14 years, 8 months ago) by noro
Branch: MAIN
CVS Tags: R_1_3_1-2, RELEASE_1_3_1_13b Changes since 1.8: +3 -1
lines
Fixed a bug in substr2np() on handling zero substitution.
|
/*
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
* All rights reserved.
*
* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
* non-exclusive and royalty-free license to use, copy, modify and
* redistribute, solely for non-commercial and non-profit purposes, the
* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
* conditions of this Agreement. For the avoidance of doubt, you acquire
* only a limited right to use the SOFTWARE hereunder, and FLL or any
* third party developer retains all rights, including but not limited to
* copyrights, in and to the SOFTWARE.
*
* (1) FLL does not grant you a license in any way for commercial
* purposes. You may use the SOFTWARE only for non-commercial and
* non-profit purposes only, such as academic, research and internal
* business use.
* (2) The SOFTWARE is protected by the Copyright Law of Japan and
* international copyright treaties. If you make copies of the SOFTWARE,
* with or without modification, as permitted hereunder, you shall affix
* to all such copies of the SOFTWARE the above copyright notice.
* (3) An explicit reference to this SOFTWARE and its copyright owner
* shall be made on your publication or presentation in any form of the
* results obtained by use of the SOFTWARE.
* (4) In the event that you modify the SOFTWARE, you shall notify FLL by
* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
* for such modification or the source code of the modified part of the
* SOFTWARE.
*
* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
*
* $OpenXM: OpenXM_contrib2/asir2000/builtin/subst.c,v 1.9 2010/01/31 03:25:54 noro Exp $
*/
#include "ca.h"
#include "parse.h"
void Psubst(), Ppsubst(), Psubstf(), Psubst_quote();
void Psubstr2np();
struct ftab subst_tab[] = {
{"subst",Psubst,-99999999},
{"substr2np",Psubstr2np,2},
{"subst_quote",Psubst_quote,-99999999},
{"psubst",Ppsubst,-99999999},
{"substf",Psubstf,-99999999},
{0,0,0},
};
extern Obj VOIDobj;
void Psubstr2np(NODE arg,Obj *rp)
{
Obj a;
P nm,dn,p;
R r;
VL vl,tvl;
int nv,i;
NODE slist,t,ps;
P s;
P *svect;
V v;
V *vvect;
a = (Obj)ARG0(arg);
if ( !a || NUM(a) ) {
*rp = a;
return;
}
asir_assert(ARG0(arg),O_R,"substr2np");
asir_assert(ARG1(arg),O_LIST,"substr2np");
get_vars(a,&vl);
for ( i = 0, tvl = vl; tvl; tvl = NEXT(tvl), i++ );
nv = i;
vvect = (V *)MALLOC(nv*sizeof(V));
for ( i = 0, tvl = vl; tvl; tvl = NEXT(tvl), i++ ) vvect[i] = tvl->v;
svect = (P *)MALLOC(nv*sizeof(P));
slist = BDY((LIST)ARG1(arg));
for ( i = 0; i < nv; i++ ) svect[i] = (P)VOIDobj;
for ( t = slist; t; t = NEXT(t) ) {
ps = BDY((LIST)BDY(t)); p = (P)BDY(ps); s = (P)BDY(NEXT(ps));
asir_assert(p,O_P,"substr2np"); asir_assert(s,O_N,"substr2np");
v = VR(p);
for ( i = 0; i < nv; i++ ) if ( vvect[i] == v ) break;
svect[i] = s;
}
switch ( OID(a) ) {
case O_P:
substpp(vl,(P)a,vvect,svect,nv,&nm); *rp = (Obj)nm;
return;
case O_R:
substpp(vl,(P)NM((R)a),vvect,svect,nv,&nm);
substpp(vl,(P)DN((R)a),vvect,svect,nv,&dn);
if ( !dn )
error("substr2np: division by 0");
else if ( !nm )
*rp = 0;
else if ( NUM(dn) ) {
divsp(vl,nm,dn,&p);
*rp = (Obj)p;
} else {
MKRAT(nm,dn,0,r);
*rp = (Obj)r;
}
return;
default:
error("substr2np: invalid argument");
}
}
void Psubst(arg,rp)
NODE arg;
Obj *rp;
{
Obj a,b,t;
LIST l;
V v;
int row,col,len;
VECT vect;
MAT mat;
int i,j;
NODE n0,n,nd;
struct oNODE arg0;
MP m,mp,mp0;
DP d;
if ( !arg ) {
*rp = 0; return;
}
a = (Obj)ARG0(arg);
if ( !a ) {
*rp = 0;
return;
}
switch ( OID(a) ) {
case O_N: case O_P: case O_R:
reductr(CO,(Obj)ARG0(arg),&a);
arg = NEXT(arg);
if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST )
arg = BDY(l);
while ( arg ) {
if ( !BDY(arg) || OID((Obj)BDY(arg)) != O_P )
error("subst : invalid argument");
v = VR((P)BDY(arg)); arg = NEXT(arg);
if ( !arg )
error("subst : invalid argument");
asir_assert(ARG0(arg),O_R,"subst");
reductr(CO,(Obj)BDY(arg),&b); arg = NEXT(arg);
/* b = (Obj)BDY(arg); arg = NEXT(arg); */
substr(CO,0,a,v,b,&t); a = t;
}
*rp = a;
break;
case O_LIST:
n0 = 0;
for ( nd = BDY((LIST)a); nd; nd = NEXT(nd) ) {
NEXTNODE(n0,n);
arg0.body = (pointer)BDY(nd);
arg0.next = NEXT(arg);
Psubst(&arg0,&b);
BDY(n) = (pointer)b;
}
if ( n0 )
NEXT(n) = 0;
MKLIST(l,n0);
*rp = (Obj)l;
break;
case O_VECT:
len = ((VECT)a)->len;
MKVECT(vect,len);
for ( i = 0; i < len; i++ ) {
arg0.body = (pointer)BDY((VECT)a)[i];
arg0.next = NEXT(arg);
Psubst(&arg0,&b);
BDY(vect)[i] = (pointer)b;
}
*rp = (Obj)vect;
break;
case O_MAT:
row = ((MAT)a)->row;
col = ((MAT)a)->col;
MKMAT(mat,row,col);
for ( i = 0; i < row; i++ )
for ( j = 0; j < col; j++ ) {
arg0.body = (pointer)BDY((MAT)a)[i][j];
arg0.next = NEXT(arg);
Psubst(&arg0,&b);
BDY(mat)[i][j] = (pointer)b;
}
*rp = (Obj)mat;
break;
case O_DP:
mp0 = 0;
for ( m = BDY((DP)a); m; m = NEXT(m) ) {
arg0.body = (pointer)C(m);
arg0.next = NEXT(arg);
Psubst(&arg0,&b);
if ( b ) {
NEXTMP(mp0,mp);
C(mp) = (P)b;
mp->dl = m->dl;
}
}
if ( mp0 ) {
MKDP(NV((DP)a),mp0,d);
d->sugar = ((DP)a)->sugar;
*rp = (Obj)d;
} else
*rp = 0;
break;
default:
error("subst : invalid argument");
}
}
FNODE subst_in_fnode();
void Psubst_quote(arg,rp)
NODE arg;
QUOTE *rp;
{
QUOTE h;
FNODE fn;
Obj g;
LIST l;
V v;
if ( !arg ) {
*rp = 0; return;
}
asir_assert(ARG0(arg),O_QUOTE,"subst_quote");
fn = BDY((QUOTE)ARG0(arg)); arg = NEXT(arg);
if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST )
arg = BDY(l);
while ( arg ) {
asir_assert(BDY(arg),O_P,"subst_quote");
v = VR((P)BDY(arg)); arg = NEXT(arg);
if ( !arg )
error("subst_quote : invalid argument");
g = (Obj)ARG0(arg); arg = NEXT(arg);
if ( !g || OID(g) != O_QUOTE )
objtoquote(g,&h);
else
h = (QUOTE)g;
fn = subst_in_fnode(fn,v,BDY(h));
}
MKQUOTE(*rp,fn);
}
void Ppsubst(arg,rp)
NODE arg;
Obj *rp;
{
Obj a,b,t;
LIST l;
V v;
if ( !arg ) {
*rp = 0; return;
}
asir_assert(ARG0(arg),O_R,"psubst");
reductr(CO,(Obj)ARG0(arg),&a);
/* a = (Obj)ARG0(arg); */
arg = NEXT(arg);
if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST )
arg = BDY(l);
while ( arg ) {
asir_assert(BDY(arg),O_P,"psubst");
v = VR((P)BDY(arg)); arg = NEXT(arg);
if ( !arg )
error("psubst : invalid argument");
asir_assert(ARG0(arg),O_R,"psubst");
reductr(CO,(Obj)BDY(arg),&b); arg = NEXT(arg);
/* b = (Obj)BDY(arg); arg = NEXT(arg); */
substr(CO,1,a,v,b,&t); a = t;
}
*rp = a;
}
void Psubstf(arg,rp)
NODE arg;
Obj *rp;
{
Obj a,t;
LIST l;
V v,f;
if ( !arg ) {
*rp = 0; return;
}
asir_assert(ARG0(arg),O_R,"substf");
reductr(CO,(Obj)ARG0(arg),&a);
/* a = (Obj)ARG0(arg); */
arg = NEXT(arg);
if ( arg && (l = (LIST)ARG0(arg)) && OID(l) == O_LIST )
arg = BDY(l);
while ( arg ) {
asir_assert(BDY(arg),O_P,"substf");
v = VR((P)BDY(arg)); arg = NEXT(arg);
if ( !arg || (int)v->attr != V_SR )
error("substf : invalid argument");
f = VR((P)BDY(arg)); arg = NEXT(arg);
if ( (int)f->attr != V_SR )
error("substf : invalid argument\n");
substfr(CO,a,((FUNC)v->priv)->f.puref,((FUNC)f->priv)->f.puref,&t);
a = t;
}
*rp = a;
}