Bool SegBufCheck(SegBuf segbuf)
{
Buffer buffer;
CHECKS(SegBuf, segbuf);
buffer = MustBeA(Buffer, segbuf);
CHECKD(Buffer, buffer);
CHECKL(RankSetCheck(segbuf->rankSet));
if (buffer->mode & BufferModeTRANSITION) {
/* nothing to check */
} else if ((buffer->mode & BufferModeATTACHED) == 0) {
CHECKL(segbuf->seg == NULL);
} else {
/* The buffer is attached to a segment. */
CHECKL(segbuf->seg != NULL);
CHECKD(Seg, segbuf->seg);
/* To avoid recursive checking, leave it to SegCheck to make */
/* sure the buffer and segment fields tally. */
if (buffer->mode & BufferModeFLIPPED) {
/* Only buffers that allocate pointers get flipped. */
CHECKL(segbuf->rankSet != RankSetEMPTY);
}
}
return TRUE;
}
void EPVMSetRankSet(Seg seg, RankSet rankSet)
{
EPVMSeg epvmSeg;
EPVMSave save;
AVERT(Seg, seg);
epvmSeg = Seg2EPVMSeg(seg);
AVERT(EPVMSeg, epvmSeg);
AVER(RankSetCheck(rankSet));
save = epvmSeg->save;
if (RankSetEMPTY == rankSet) {
save->smallStringSeg = TRUE;
} else {
save->smallObjectSeg = TRUE;
}
SEG_SUPERCLASS(EPVMSegClass)->setRankSet(seg, rankSet);
}
void EPVMSetRankAndSummary(Seg seg, RankSet rankSet, RefSet summary)
{
EPVMSeg epvmSeg;
EPVMSave save;
AVERT(Seg, seg);
epvmSeg = Seg2EPVMSeg(seg);
AVERT(EPVMSeg, epvmSeg);
AVER(RankSetCheck(rankSet));
/* no useful test for summary */
UNUSED(summary);
save = epvmSeg->save;
if (RankSetEMPTY == rankSet) {
save->smallStringSeg = TRUE;
} else {
save->smallObjectSeg = TRUE;
}
SEG_SUPERCLASS(EPVMSegClass)->setRankSummary(seg, rankSet, summary);
}
Bool ArgCheckRankSet(Arg arg) {
CHECKL(COMPATTYPE(RankSet, unsigned));
CHECKL(RankSetCheck(arg->val.u));
return TRUE;
}