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use original (more efficient) sub allocator

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This commit is contained in:
Kyryl Melekhin
2021-07-30 21:31:44 +00:00
parent d2ec613efa
commit 080d93af2e
1 changed files with 14 additions and 10 deletions
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22
pike.c
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@@ -451,14 +451,11 @@ int re_comp(rcode *prog, const char *re)
#define save(nn, csub) \
if (csub->ref > 1) { \
for (j = 0; j < subidx; j++) { \
if (!nsubs[j].ref) { \
s1 = &nsubs[j]; \
goto freedsub##nn; \
} \
} \
s1 = freesub; \
if (s1) \
freesub = (rsub*)s1->sub[0]; \
else \
s1 = &nsubs[subidx++]; \
freedsub##nn: \
for (j = 0; j < nsubp; j++) \
s1->sub[j] = csub->sub[j]; \
csub->ref--; \
@@ -466,6 +463,12 @@ if (csub->ref > 1) { \
csub->ref = 1; \
} \
#define decref(csub) \
if (--csub->ref == 0) { \
csub->sub[0] = (char*)freesub; \
freesub = csub; \
} \
#define addthread(nn, list, _pc, _sub, cont) \
{ \
int i = 0, *pc = _pc; \
@@ -473,7 +476,7 @@ if (csub->ref > 1) { \
rsub *sub = _sub; \
rec##nn: \
if(plist[pc - prog->insts] == gen) { \
sub->ref--; \
decref(sub) \
rec_check##nn: \
if (i) { \
pc = pcs[--i]; \
@@ -535,6 +538,7 @@ int re_pikevm(rcode *prog, const char *s, const char **subp, int nsubp)
int *pcs[prog->splits];
rsub *subs[prog->splits];
rsub *nsub = nsubs, *lsub = nsub, *matched = NULL, *s1;
rsub *freesub = NULL;
rthreadlist _clist[1+prog->len];
rthreadlist _nlist[1+prog->len];
rthreadlist *clist = _clist, *nlist = _nlist, *tmp;
@@ -574,7 +578,7 @@ int re_pikevm(rcode *prog, const char *s, const char **subp, int nsubp)
subidx = 0;
goto break_for;
}
nsub->ref--;
decref(nsub)
}
break_for:
if (!c)