File: [local] / OpenXM_contrib2 / asir2000 / parse / struct.c (download)
Revision 1.1.1.1 (vendor branch), Fri Dec 3 07:39:12 1999 UTC (24 years, 6 months ago) by noro
Branch: NORO
CVS Tags: RELEASE_20000124, RELEASE_1_1_2, ASIR2000 Changes since 1.1: +0 -0
lines
Imported asir2000 as OpenXM_contrib2/asir2000.
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/* $OpenXM: OpenXM_contrib2/asir2000/parse/struct.c,v 1.1.1.1 1999/12/03 07:39:12 noro Exp $ */
#include "ca.h"
#include "parse.h"
#include "comp.h"
struct oSS oLSS;
SS LSS = &oLSS;
void structdef(name,member)
char *name;
NODE member;
{
int i,j,k,type;
SDEF sdef,s;
NODE n,ms;
char *mname,*sname;
for ( s = LSS->sa, i = 0; i < LSS->n; i++ )
if ( !strcmp(s[i].name,name) ) {
fprintf(stderr,"redeclaration of %s\n",name); break;
}
if ( !LSS->sa || ((i == LSS->n)&&(LSS->n==LSS->asize)) )
reallocarray((char **)&LSS->sa,(int *)&LSS->asize,(int *)&LSS->n,(int)sizeof(struct oSDEF));
sdef = &LSS->sa[i];
if ( i == LSS->n )
LSS->n++;
for ( i = 0, n = member; n; n = NEXT(n), i++ );
sdef->name = (char *)MALLOC(strlen(name)+1);
bcopy(name,sdef->name,strlen(name)+1);
for ( j = 0, n = member; n; n = NEXT(n) )
for ( ms = NEXT((NODE)BDY(n)); ms; ms = NEXT(ms), j++ );
sdef->n = j;
sdef->f = (struct oFIELD *)MALLOC(sdef->n*sizeof(struct oFIELD));
for ( j = 0, n = member; n; n = NEXT(n) ) {
ms = (NODE)BDY(n);
if ( sname = (char *)BDY(ms) ) {
for ( s = LSS->sa, k = 0; k < LSS->n; k++ )
if ( !strcmp(s[k].name,sname) )
break;
if ( k == LSS->n ) {
fprintf(stderr,"%s: undefined structure\n",sname); return;
} else
type = k;
} else
type = -1;
for ( ms = NEXT(ms); ms; ms = NEXT(ms), j++ ) {
mname = (char *)MALLOC(strlen(BDY(ms))+1);
bcopy(BDY(ms),mname,strlen(BDY(ms))+1);
sdef->f[j].name = mname; sdef->f[j].type = type;
}
}
}
void setstruct(name,vars)
char *name;
NODE vars;
{
SDEF s;
int i;
NODE n;
for ( s = LSS->sa, i = 0; i < LSS->n; i++ )
if ( !strcmp(s[i].name,name) )
break;
if ( i == LSS->n ) {
fprintf(stderr,"%s: undefined structure\n",name); return;
}
s = &LSS->sa[i];
for ( n = vars; n; n = NEXT(n) )
CPVS->va[(int)BDY(n)].type = i;
}
void newstruct(type,rp)
int type;
COMP *rp;
{
NEWCOMP(*rp,LSS->sa[type].n); (*rp)->type = type;
}
int structtoindex(name)
char *name;
{
SDEF s;
int i;
for ( s = LSS->sa, i = 0; i < LSS->n; i++ )
if ( !strcmp(s[i].name,name) )
break;
if ( i == LSS->n ) {
fprintf(stderr,"%s: undefined structure\n",name); return -1; /* XXX */
} else
return i;
}
int membertoindex(type,name)
int type;
char *name;
{
SDEF s;
FIELD f;
int i;
s = &LSS->sa[type];
for ( f = s->f, i = 0; i < s->n; i++ )
if ( !strcmp(f[i].name,name) )
break;
if ( i == s->n ) {
fprintf(stderr,"structure has no member named `%s'\n",name);
return -1;
} else
return i;
}
int indextotype(type,index)
int type,index;
{
return LSS->sa[type].f[index].type;
}
int gettype(index)
unsigned int index;
{
if ( MSB & index )
return (int)GPVS->va[index&~MSB].type;
else
return (int)CPVS->va[index].type;
}
int getcompsize(type)
int type;
{
return LSS->sa[type].n;
}
void getmember(expr,memp)
FNODE expr;
Obj *memp;
{
int i;
FNODE root;
COMP t;
PV v0;
NODE2 mchain;
root = (FNODE)FA1(expr); mchain = (NODE2)FA2(expr);
if ( ID(root) == I_PVAR ) {
i = (int)FA0(root);
v0 = i>=0?&CPVS->va[(unsigned int)i]:&GPVS->va[((unsigned int)i)&~MSB];
t = (COMP)v0->priv;
} else
t = (COMP)eval(root);
for ( ; mchain; mchain = NEXT(mchain) )
t = (COMP)(t->member[(int)BDY1(mchain)]);
*memp = (Obj)t;
}
void getmemberp(expr,addrp)
FNODE expr;
Obj **addrp;
{
int i;
FNODE root;
COMP t;
PV v0;
COMP *addr;
NODE2 mchain;
root = (FNODE)FA1(expr); mchain = (NODE2)FA2(expr);
if ( ID(root) == I_PVAR ) {
i = (int)FA0(root);
v0 = i>=0?&CPVS->va[(unsigned int)i]:&GPVS->va[((unsigned int)i)&~MSB];
addr = (COMP *)&v0->priv;
} else {
t = (COMP)eval(root);
addr = (COMP *)&t;
}
for ( ; mchain; mchain = NEXT(mchain) )
addr = (COMP *)&((*addr)->member[(int)BDY1(mchain)]);
*addrp = (Obj *)addr;
}
void getarrayp(a,ind,addrp)
Obj a;
NODE ind;
Obj **addrp;
{
Obj len,row,col;
Obj *addr;
switch ( OID(a) ) {
case O_VECT:
len = (Obj)BDY(ind);
if ( !rangecheck(len,((VECT)a)->len) )
error("getarrayp : Out of range");
else
addr = (Obj *)&(BDY((VECT)a)[QTOS((Q)len)]);
break;
case O_MAT:
row = (Obj)BDY(ind); col = (Obj)BDY(NEXT(ind));
if ( !rangecheck(row,((MAT)a)->row)
|| !rangecheck(col,((MAT)a)->col) )
error("getarrayp : Out of range");
else
addr = (Obj *)&(BDY((MAT)a)[QTOS((Q)row)][QTOS((Q)col)]);
break;
default:
addr = 0;
break;
}
*addrp = addr;
}
void memberofstruct(pexpr,name,exprp)
FNODE pexpr;
char *name;
FNODE *exprp;
{
NODE2 n,*np;
int type,ind;
if ( pexpr->id != I_CAST ) {
if ( pexpr->id == I_PVAR )
pexpr = (FNODE)mkfnode(3,I_CAST,gettype((unsigned int)pexpr->arg[0]),pexpr,0);
else
error("memberofstruct : ???");
}
if ( !pexpr->arg[2] ) {
np = (NODE2 *)&(pexpr->arg[2]); type = (int)pexpr->arg[0];
} else {
for ( n = (NODE2)pexpr->arg[2]; NEXT(n); n = NEXT(n) );
np = &NEXT(n); type = (int)BDY2(n);
}
ind = membertoindex(type,name);
MKNODE2(*np,ind,indextotype(type,ind),0);
*exprp = pexpr;
}