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/* License in license.txt. */

/* */

/* Conjunctions: Gerunds ` and `: */

#include "j.h"

A jtfxeachv(J jt,I r,A w){A*wv,x,z,*zv;I n,wd;

RZ(w);

n=AN(w); wv=AAV(w); wd=(I)w*ARELATIVE(w);

ASSERT(r>=AR(w),EVRANK);

ASSERT(n,EVLENGTH);

ASSERT(BOX&AT(w),EVDOMAIN);

GA(z,BOX,n,AR(w),AS(w)); zv=AAV(z);

DO(n, RZ(zv[i]=x=fx(WVR(i))); ASSERT(VERB&AT(x),EVDOMAIN););

R z;

}

F1(jtfxeach){R every(w,0L,jtfx);}

static DF1(jtcon1){A h,*hv,*x,z;V*sv;

PREF1(jtcon1);

sv=VAV(self); h=sv->h; hv=AAV(h);

GA(z,BOX,AN(h),AR(h),AS(h)); x=AAV(z);

DO(AN(h), RZ(*x++=CALL1(VAV(*hv)->f1, w,*hv)); ++hv;);

R ope(z);

}

static DF2(jtcon2){A h,*hv,*x,z;V*sv;

PREF2(jtcon2);

sv=VAV(self); h=sv->h; hv=AAV(h);

GA(z,BOX,AN(h),AR(h),AS(h)); x=AAV(z);

DO(AN(h), RZ(*x++=CALL2(VAV(*hv)->f2,a,w,*hv)); ++hv;);

R ope(z);

}

static DF1(jtinsert){A f,hs,*hv,z;AF*hf;I j,k,m,n,old;

RZ(w);

n=IC(w); j=n-1; hs=VAV(self)->h; m=AN(hs); hv=AAV(hs);

if(!n)R df1(w,iden(*hv));

GA(f,INT,m,1,0); hf=(AF*)AV(f); DO(m, hf[i]=VAV(hv[i])->f2;);

RZ(z=from(num[-1],w));

old=jt->tbase+jt->ttop;

DO(n-1, k=--j%m; RZ(z=CALL2(hf[k],from(sc(j),w),z,hv[k])); gc(z,old);)

R z;

}

F2(jtevger){A hs;I k;

RZ(a&&w);

RE(k=i0(w));

if(k==GTRAIN)R exg(a);

RZ(hs=fxeachv(RMAX,a));

switch(k){

case GAPPEND:

R fdef(CGRCO,VERB, jtcon1,jtcon2, a,w,hs, VGERL, RMAX,RMAX,RMAX);

case GINSERT:

ASSERT(1>=AR(a),EVRANK);

R fdef(CGRCO,VERB, jtinsert,0L, a,w,hs, VGERL, RMAX,0L,0L);

default:

ASSERT(0,EVDOMAIN);

}}

F2(jttie){RZ(a&&w); R over(VERB&AT(a)?arep(a):a,VERB&AT(w)?arep(w):w);}

static B jtatomic(J jt,C m,A w){A f,g;B ax,ay,vf,vg;C c,id;V*v;

static C atomic12[]={CMIN, CLE, CMAX, CGE, CPLUS, CPLUSCO, CSTAR, CSTARCO, CMINUS, CDIV, CROOT,

CEXP, CLOG, CSTILE, CBANG, CLEFT, CRIGHT, CJDOT, CCIRCLE, CRDOT, CHGEOM, CFCONS, 0};

static C atomic1[]={CNOT, CHALVE, 0};

static C atomic2[]={CEQ, CLT, CGT, CPLUSDOT, CSTARDOT, CNE, 0};

RZ(w&&VERB&AT(w));

v=VAV(w); id=v->id;

if(strchr(atomic12,id)||strchr(1==m?atomic1:atomic2,id))R 1;

f=v->f; vf=f&&VERB&AT(f); ax=f&&NOUN&AT(f)&&!AR(f);

g=v->g; vg=g&&VERB&AT(g); ay=g&&NOUN&AT(g)&&!AR(g);

switch(id){

case CAT:

case CATCO: R atomic(1,f)&&atomic(m,g);

case CUNDER:

case CUNDCO: R atomic(m,f)&&atomic(1,g);

case CAMPCO: R atomic(m,f)&&atomic(1,g);

case CQQ: R ax||atomic(m,f);

case CFORK: R (CCAP==ID(f)?atomic(1,g):atomic(m,f)&&atomic(2,g))&&atomic(m,v->h);

case CHOOK: R atomic(2,f)&&atomic(1,g);

case CTILDE: R NAME&AT(f)?atomic(m,fix(f)):atomic(2,f);

case CFIT: R atomic(m,f);

case CAMP:

if(vf&&vg)R atomic(m,f)&&atomic(1,g);

if(ax&&atomic(2,g)||ay&&atomic(2,f))R 1;

if(vg&&1==AR(f)){c=ID(g); R c==CPOLY||c==CBASE;}

}

R 0;

} /* 1 iff verb w is atomic; 1=m monad 2=m dyad */

static A jtgjoin(J jt,C c,A a,A w){A f;

RZ(a&&w);

ASSERT(1>=AR(a)&&1>=AR(w),EVRANK);

ASSERT((!AN(a)||BOX&AT(a))&&(!AN(w)||BOX&AT(w)),EVDOMAIN);

RZ(f=qq(atop(ds(CBOX),ds(CCOMMA)),zero));

R df2(box(spellout(c)),df2(a,w,f),f);

}

static DF1(jtcase1a){A g,h,*hv,k,t,u,w0=w,x,y,*yv,z;B b;I r,*xv;V*sv;

RZ(w);

r=AR(w);

if(1<r)RZ(w=gah(1L,w));

sv=VAV(self); g=sv->g;

if(atomic(1,g))RZ(k=df1(w,g))

else{RZ(k=df1(w,qq(g,zero))); ASSERT(AR(k)==AR(w)&&AN(k)==AN(w),EVRANK);}

if(B01&AT(k)){

h=sv->h; ASSERT(2<=AN(h),EVINDEX); hv=AAV(h);

RZ(x=df1(t=repeat(not(k),w),hv[0])); if(!AR(x))RZ(x=reshape(tally(t),x));

RZ(y=df1(t=repeat(k, w),hv[1])); if(!AR(y))RZ(y=reshape(tally(t),y));

RZ(z=!AN(x)?y:!AN(y)?x:from(grade1(grade1(k)),over(x,y)));

}else{

RZ(u=nub(k));

RZ(y=df2(k,w,sldot(gjoin(CATCO,box(scc(CBOX)),from(u,sv->f))))); yv=AAV(y);

b=0; DO(AN(y), if(b=!AR(yv[i]))break;);

if(b){

RZ(x=df2(k,w,sldot(ds(CPOUND)))); xv=AV(x);

DO(AN(y), if(!AR(yv[i]))RZ(yv[i]=reshape(sc(xv[i]),yv[i])););

}

RZ(z=from(grade1(grade1(k)),raze(grade2(y,u))));

}

if(1<r){RZ(z=gah(r,z)); ICPY(AS(z),AS(w0),r);}

R z;

}

static DF1(jtcase1b){A h,u;V*sv;

sv=VAV(self); h=sv->h;

RZ(u=from(df1(w,sv->g),h));

ASSERT(!AR(u),EVRANK);

R df1(w,*AAV(u));

}

static DF1(jtcase1){A h,*hv;B b;I r,wr;V*sv;

RZ(w);

sv=VAV(self);

wr=AR(w); r=jt->rank?jt->rank[1]:wr; r=MIN(r,sv->mr); jt->rank=0;

if(b=!r&&wr&&AN(w)){h=sv->h; hv=AAV(h); DO(AN(h), if(!atomic(1,hv[i])){b=0; break;});}

R b?case1a(w,self):rank1ex(w,self,r,jtcase1b);

}

static DF2(jtcase2){A u;V*sv;

PREF2(jtcase2);

sv=VAV(self);

RZ(u=from(df2(a,w,sv->g),sv->h));

ASSERT(!AR(u),EVRANK);

R df2(a,w,*AAV(u));

}

static F2(jtgerfrom){A*av,*v,z;I ad,n;

RZ(a&&w); /* 1==AR(w)&&BOX&AT(w) */

ASSERT(1>=AR(a),EVRANK);

if(NUMERIC&AT(a))R from(a,w);

else{

ASSERT(BOX&AT(a),EVDOMAIN);

n=AN(a); av=AAV(a); ad=(I)a*ARELATIVE(a);

GA(z,BOX,n,1,0); v=AAV(z);

DO(n, RZ(*v++=gerfrom(AVR(i),w)););

R z;

}}

F2(jtagenda){

RZ(a&&w)

if(NOUN&AT(w))R exg(gerfrom(w,a));

R fdef(CATDOT,VERB, jtcase1,jtcase2, a,w,fxeachv(1L,a), VGERL, mr(w),lr(w),rr(w));

}

static DF1(jtgcl1){DECLFG;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df2(df1(w,hv[1]),gs,ds(sv->id)); FDEPDEC(d);

R df1(df1(w,hv[2]),ff);

}

static DF1(jtgcr1){DECLFG;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df2(fs,df1(w,hv[1]),ds(sv->id)); FDEPDEC(d);

R df1(df1(w,hv[2]),ff);

}

static DF2(jtgcl2){DECLFG;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df2(df2(a,w,hv[1]),gs,ds(sv->id)); FDEPDEC(d);

R df2(df2(a,w,hv[0]),df2(a,w,hv[2]),ff);

}

static DF2(jtgcr2){DECLFG;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df2(fs,df2(a,w,hv[1]),ds(sv->id)); FDEPDEC(d);

R df2(df2(a,w,hv[0]),df2(a,w,hv[2]),ff);

}

A jtgconj(J jt,A a,A w,C id){A hs,y;B na;I n;

RZ(a&&w);

ASSERT(VERB&AT(a)&&BOX&AT(w)||BOX&AT(a)&&VERB&AT(w),EVDOMAIN);

na=1&&BOX&AT(a); y=na?a:w; n=AN(y);

ASSERT(1>=AR(y),EVRANK);

ASSERT(2==n||3==n,EVLENGTH);

ASSERT(BOX&AT(y),EVDOMAIN);

RZ(hs=fxeach(3==n?y:link(scc(CLEFT),y)));

R fdef(id,VERB, na?jtgcl1:jtgcr1,na?jtgcl2:jtgcr2, a,w,hs, na?VGERL:VGERR, RMAX,RMAX,RMAX);

}

static DF1(jtgav1){DECLF;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df1(df1(w,hv[1]),ds(sv->id)); FDEPDEC(d);

R df1(df1(w,hv[2]),ff);

}

static DF2(jtgav2){DECLF;A ff,*hv=AAV(sv->h);I d;

d=fdep(hv[1]); FDEPINC(d); ff=df1(df2(a,w,hv[1]),ds(sv->id)); FDEPDEC(d);

R df2(df2(a,w,hv[0]),df2(a,w,hv[2]),ff);

}

A jtgadv(J jt,A w,C id){A hs;I n;

RZ(w);

ASSERT(BOX&AT(w),EVDOMAIN);

n=AN(w);

ASSERT(1>=AR(w),EVRANK);

ASSERT(n&&n<=3,EVLENGTH);

ASSERT(BOX&AT(w),EVDOMAIN);

RZ(hs=fxeach(3==n?w:behead(reshape(num[4],w))));

R fdef(id,VERB, jtgav1,jtgav2, w,0L,hs, VGERL, RMAX,RMAX,RMAX);

}

static DF1(jtgf1){A h=VAV(self)->h; R df1( w,*AAV(h));}

static DF2(jtgf2){A h=VAV(self)->h; R df2(a,w,*AAV(h));}

A jtvger2(J jt,C id,A a,A w){A h,*hv,x;V*v;

RZ(x=a?a:w);

ASSERT(2==AN(x),EVLENGTH);

RZ(h=fxeachv(1L,x)); hv=AAV(h); v=VAV(*hv);

R fdef(id,VERB, jtgf1,jtgf2, x,a?w:0L, h, VGERL, (I)v->mr,(I)v->lr,(I)v->rr);

} /* verify and define 2-element gerund */