/*
* For clarity we show the last optimizer applied
* also as the last of the list, although it is linked with mb.
*/
void showMalBlkHistory(stream *out, MalBlkPtr mb)
{
MalBlkPtr m=mb;
InstrPtr p,sig;
int j=0;
str msg;
sig = getInstrPtr(mb,0);
m= m->history;
while(m){
p= getInstrPtr(m,m->stop-1);
if( p->token == REMsymbol){
msg= instruction2str(m, 0, p, FALSE);
if (msg ) {
mnstr_printf(out,"%s.%s[%2d] %s\n",
getModuleId(sig), getFunctionId(sig),j++,msg+3);
GDKfree(msg);
}
}
m= m->history;
}
p=getInstrPtr(mb,mb->stop-1);
if( p->token == REMsymbol){
msg= instruction2str(mb, 0, p, FALSE);
if (msg) {
mnstr_printf(out,"%s.%s[%2d] %s\n",
getModuleId(sig), getFunctionId(sig),j++,msg+3);
GDKfree(msg);
}
}
}
/* Remote execution of MAL calls for more type/property information to be exchanged */
str
mal2str(MalBlkPtr mb, int first, int last)
{
str ps = NULL, *txt;
int i, *len, totlen = 0, j;
txt = GDKmalloc(sizeof(str) * mb->stop);
len = GDKmalloc(sizeof(int) * mb->stop);
if( txt == NULL || len == NULL){
addMalException(mb,"mal2str: " MAL_MALLOC_FAIL);
GDKfree(txt);
GDKfree(len);
return NULL;
}
for (i = first; i < last; i++) {
if( i == 0)
txt[i] = instruction2str(mb, 0, getInstrPtr(mb, i), LIST_MAL_NAME | LIST_MAL_TYPE | LIST_MAL_PROPS);
else
txt[i] = instruction2str(mb, 0, getInstrPtr(mb, i), LIST_MAL_CALL | LIST_MAL_PROPS | LIST_MAL_REMOTE);
#ifdef _DEBUG_LISTING_
fprintf(stderr,"%s\n",txt[i]);
#endif
if ( txt[i])
totlen += len[i] = (int)strlen(txt[i]);
else {
addMalException(mb,"mal2str: " MAL_MALLOC_FAIL);
GDKfree(len);
for (j = first; j < i; j++)
GDKfree(txt[j]);
GDKfree(txt);
return NULL;
}
}
ps = GDKmalloc(totlen + mb->stop + 1);
if( ps == NULL){
addMalException(mb,"mal2str: " MAL_MALLOC_FAIL);
GDKfree(len);
for (i = first; i < last; i++)
GDKfree(txt[i]);
GDKfree(txt);
return NULL;
}
totlen = 0;
for (i = first; i < last; i++) {
if( txt[i]){
strncpy(ps + totlen, txt[i], len[i]);
ps[totlen + len[i]] = '\n';
ps[totlen + len[i] + 1] = 0;
totlen += len[i] + 1;
GDKfree(txt[i]);
}
}
GDKfree(len);
GDKfree(txt);
return ps;
}
/*
* It may be handy to dump the graph for inspection
* or to prepare for the dot program.
*/
static void
QEPdump(stream *f, QEP qep, int indent){
int i,inc = 0;
str s;
if( qep->p){
for(i=0;i<indent; i++) mnstr_printf(f," ");
s= instruction2str(qep->mb, 0,qep->p, LIST_MAL_DEBUG );
mnstr_printf(f,"%s\n",s);
GDKfree(s);
inc = 4;
}
for(i=0; i< qep->climit; i++)
if( qep->children[i])
QEPdump(f,qep->children[i], indent+ inc);
}
void
printInstruction(stream *fd, MalBlkPtr mb, MalStkPtr stk, InstrPtr p, int flg)
{
str ps;
if (fd == 0)
return;
ps = instruction2str(mb, stk, p, flg);
/* ps[strlen(ps)-1] = 0; remove '\n' */
if ( ps ){
mnstr_printf(fd, "%s%s", (flg & LIST_MAL_MAPI ? "=" : ""), ps);
GDKfree(ps);
}
mnstr_printf(fd, "\n");
}
void
fprintInstruction(FILE *fd, MalBlkPtr mb, MalStkPtr stk, InstrPtr p, int flg)
{
str ps;
if (fd == 0)
return;
ps = instruction2str(mb, stk, p, flg);
/* ps[strlen(ps)-1] = 0; remove '\n' */
if ( ps ){
fprintf(fd, "%s%s", (flg & LIST_MAL_MAPI ? "=" : ""), ps);
GDKfree(ps);
} else {
fprintf(fd,"#failed instruction2str()");
}
fprintf(fd, "\n");
}
/*
* It is illustrative to dump the code when you
* have encountered an error.
*/
str
MDBgetDefinition(Client cntxt, MalBlkPtr m, MalStkPtr stk, InstrPtr p)
{
int i;
bat *ret = getArgReference_bat(stk, p, 0);
str ps;
BAT *b = BATnew(TYPE_void, TYPE_str, 256, TRANSIENT);
(void) cntxt;
if (b == 0)
throw(MAL, "mdb.getDefinition", MAL_MALLOC_FAIL);
BATseqbase(b,0);
for (i = 0; i < m->stop; i++) {
ps = instruction2str(m,0, getInstrPtr(m, i), 1);
BUNappend(b, ps, FALSE);
GDKfree(ps);
}
if (!(b->batDirty&2)) BATsetaccess(b, BAT_READ);
pseudo(ret,b,"view","fcn","stmt");
return MAL_SUCCEED;
}
str
MDBStkTrace(Client cntxt, MalBlkPtr m, MalStkPtr s, InstrPtr p)
{
BAT *b, *bn;
str msg;
char *buf;
bat *ret = getArgReference_bat(s, p, 0);
bat *ret2 = getArgReference_bat(s, p, 1);
int k = 0;
size_t len,l;
b = BATnew(TYPE_void, TYPE_int, 256, TRANSIENT);
if ( b== NULL)
throw(MAL, "mdb.getStackTrace", MAL_MALLOC_FAIL);
bn = BATnew(TYPE_void, TYPE_str, 256, TRANSIENT);
if ( bn== NULL) {
BBPreclaim(b);
throw(MAL, "mdb.getStackTrace", MAL_MALLOC_FAIL);
}
BATseqbase(b,0);
BATseqbase(bn,0);
(void) cntxt;
msg = instruction2str(s->blk, s, p, LIST_MAL_DEBUG);
len = strlen(msg);
buf = (char*) GDKmalloc(len +1024);
if ( buf == NULL){
GDKfree(msg);
throw(MAL,"mdb.setTrace",MAL_MALLOC_FAIL);
}
snprintf(buf,len+1024,"%s at %s.%s[%d]", msg,
getModuleId(getInstrPtr(m,0)),
getFunctionId(getInstrPtr(m,0)), getPC(m, p));
BUNappend(b, &k, FALSE);
BUNappend(bn, buf, FALSE);
GDKfree(msg);
for (s = s->up, k++; s != NULL; s = s->up, k++) {
msg = instruction2str(s->blk, s, getInstrPtr(s->blk,s->pcup),LIST_MAL_DEBUG);
l = strlen(msg);
if (l>len){
GDKfree(buf);
len=l;
buf = (char*) GDKmalloc(len +1024);
if ( buf == NULL){
GDKfree(msg);
BBPunfix(b->batCacheid);
BBPunfix(bn->batCacheid);
throw(MAL,"mdb.setTrace",MAL_MALLOC_FAIL);
}
}
snprintf(buf,len+1024,"%s at %s.%s[%d]", msg,
getModuleId(getInstrPtr(s->blk,0)),
getFunctionId(getInstrPtr(s->blk,0)), s->pcup);
BUNappend(b, &k, FALSE);
BUNappend(bn, buf, FALSE);
GDKfree(msg);
}
GDKfree(buf);
if (!(b->batDirty&2)) BATsetaccess(b, BAT_READ);
if (!(bn->batDirty&2)) BATsetaccess(bn, BAT_READ);
pseudo(ret,b,"view","stk","trace");
pseudo(ret2,bn,"view","stk","traceB");
return MAL_SUCCEED;
}