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cx.c
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cx.c
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/* ----------------------------------------------------------------------- */
/* J-Source Version 7 - COPYRIGHT 1993 Iverson Software Inc. */
/* 33 Major Street, Toronto, Ontario, Canada, M5S 2K9, (416) 925 6096 */
/* */
/* J-Source is provided "as is" without warranty of any kind. */
/* */
/* J-Source Version 7 license agreement: You may use, copy, and */
/* modify the source. You have a non-exclusive, royalty-free right */
/* to redistribute source and executable files. */
/* ----------------------------------------------------------------------- */
/* */
/* Conjunction: Explicit Definition : and Associates */
/* */
/* Left: */
/* 0 Noun */
/* 1 Adverb m,u,x,y */
/* 2 Conjunction n,m,u,v,x,y */
/* 3 Monad y */
/* 4 Dyad x,y */
/* 13 Explicit to tacit x,y */
/* */
/* Right: */
/* 0 Read from stdin until a lone ')' is encountered on a line */
/* string Use string contents as argument to : */
/* */
/* Usage of the f,g,h fields of :-defined verbs: */
/* f character matrix of left argument to : */
/* g character matrix of right argument to : */
/* h 2-element vector of boxes */
/* 0 Monadic definition */
/* 1 Dyadic definition */
#include "j.h"
#include "a.h"
#include "d.h"
static I nline;
static DF2(xd){PROLOG;DECLFG;A f,*line,loc=local,name,seq,z=0;B b;DC dv;
I i=0,n,old;
b=a&&w; f=*(b+AAV(sv->h));
line=AAV(f); n=nline=AN(f); ASSERT(n,EVDOMAIN);
GA(local,SYMB,twprimes[0],1,0);
symbis(scnm(CALPHA),a,local);
symbis(scnm(COMEGA),w,local);
RZ(dv=debadd(DCDEFN)); dv->p=sv->s; drun=0;
old=tbase+ttop;
ra(self);
for(;0<=i&&i<n;i++){
tpop(old);
dv->ln=i; dv->n=1+(0!=a);
z=parse(ca(line[i]));
if(!debugb&&!z) break;
}
if(debugb&&!z){z=tpush(qpopres); qpopres=0;}
z=car(z); ++AC(local); fa(local); local=loc;
asgn=0;
fa(self);
debz();
if(!z) jsignal(EVRESULT);
EPILOG(z);
}
static CS1(xv1, f1(w,fs))
static CS2(xv2, g2(a,w,gs))
static DF1(xn1){RZ( w); R vn(xd(0L,w,self));}
static DF2(xn2){RZ(a&&w); R vn(xd(a ,w,self));}
static DF1(xadv ){RZ(w); R xd(w,0L,self);}
static DF2(xconj){RZ(a&&w); R xd(a,w, self);}
static F1(preparse){A lab,s,*sv,t,*tv,y,*yv;I i,j=0,n;
RZ(w);
RZ(t=every(BOX&AT(w)?w:rank1ex(w,0L,1L,box),tokens));
R box(t);
}
F2(colon){A h,hu,hv,m,l,u=a,v=w;B b,c,d;I an,at,un,ut,vn,vt;C*p,*q,*r,*x,*z;
RZ(a&&w);
if(AT(a)&VERB&&AT(w)&VERB){
R fdef(CCOLON, VERB, xv1,xv2, a,w,append(a,w), 0L, mr(u),lr(v),rr(v));
}
if(!AR(w)&&NUMERIC&AT(w)&&0==i0(w)){
v=mtc;
while(1){
l=jgets("");
if(jerr) R 0;
if(!l) break;
p=CAV(l);
if(')'==*p){while(' '==*++p);if(!*p)break;}
v=append(append(v,l),cnl);
}}
if(!AR(a)&&NUMERIC&AT(a)&&0==i0(a))R v;
ASSERT(CHAR&AT(v)&&2>=AR(v),EVDOMAIN);
if(2==AR(v))v=ravel(stitch(v,scc(CNL)));
if(!(AN(v)&&CNL==cl(v)))v=append(v,scc(CNL));
q=p=CAV(v); r=x=z=p+AN(v);
while(p<z){
if(':'!=*p){while(CNL!=*p)++p; ++p; continue;}
r=p;
while(' '==*++p);
if(CNL==*p){x=r; break;}
while(CNL!=*p)++p;
++p;
}
while(r<z && CNL!=*r)++r;
if(r<z)++r;
u=take(sc((I)(x-q)),v);
v=drop(sc((I)(r-q)),v);
if(AN(u)&&CHAR&AT(u)&&1>=AR(u)&&strchr(CAV(u),CNL)){
if(!(AN(u)&&CNL==cl(u))) u=append(u,scc(CNL));
h=cut(ds(CBOX),sc(-2L));
u=df1(u,h);
}
if(AN(v)&&CHAR&AT(v)&&1>=AR(v)&&strchr(CAV(v),CNL)){
if(!(AN(v)&&CNL==cl(v))) v=append(v,scc(CNL));
h=cut(ds(CBOX),sc(-2L));
v=df1(v,h);
}
an=AN(a); at=AT(a); c=NOUN&at;
un=AN(u); ut=AT(u); b=NOUN&ut;
vn=AN(v); vt=AT(v); d=NOUN&vt;
if(an&&NUMERIC&at?13==i0(a):0)R vtrans(w);
RZ(hu=hv=ca(ace));
if(b){
ASSERT(AR(u)<=1+(CHAR==ut),EVRANK);
if(un){
ASSERT(ut&BOX+CHAR,EVDOMAIN);
RZ(hu=preparse(u));
RZ(u= ut&BOX ? ope(rankle(u)) : 2>AR(u) ? lamin1(rankle(u)) : u);
}}
if(!vn||vt&BOX+CHAR){
ASSERT(AR(v)<=1+(CHAR==vt),EVRANK);
if(vn){
ASSERT(vt&BOX+CHAR,EVDOMAIN);
RZ(hv=preparse(v));
RZ(v= vt&BOX ? ope(rankle(v)) : 2>AR(v) ? lamin1(rankle(v)) : v);
}}
w=un&&vn ? append(u,append(ravel(scc(CCOLON)),v)) : u;
switch(an&&NUMERIC&at?i0(a):0){
case 1: R fdef(CCOLON, ADV, xadv,0L, a,w,append(hu,hv), 0L, 0L,0L,0L);
case 2: R fdef(CCOLON, CONJ, 0L,xconj, a,w,append(hv,hu), 0L, 0L,0L,0L);
case 3: R fdef(CCOLON, VERB, xn1,xn2, a,w,append(hu,hv), 0L, RMAX,RMAX,RMAX);
case 4: R fdef(CCOLON, VERB, 0L,xn2, a,w,append(hv,hu), 0L, 0L,RMAX,RMAX);
default: ASSERT(0,EVDOMAIN);
}
R mtv;
}