/* This file contains functions for compiling a regular expression. See
* also regexec.c which funnily enough, contains functions for executing
* a regular expression.
+ *
+ * This file is also copied at build time to ext/re/re_comp.c, where
+ * it's built with -DPERL_EXT_RE_BUILD -DPERL_EXT_RE_DEBUG -DPERL_EXT.
+ * This causes the main functions to be compiled under new names and with
+ * debugging support added, which makes "use re 'debug'" work.
*/
/* NOTE: this is derived from Henry Spencer's regexp code, and should not
int n = r->data->count;
PAD* new_comppad = NULL;
PAD* old_comppad;
+ PADOFFSET refcnt;
while (--n >= 0) {
/* If you add a ->what type here, update the comment in regcomp.h */
new_comppad : Null(PAD *)
);
OP_REFCNT_LOCK;
- if (!OpREFCNT_dec((OP_4tree*)r->data->data[n])) {
- OP_REFCNT_UNLOCK;
+ refcnt = OpREFCNT_dec((OP_4tree*)r->data->data[n]);
+ OP_REFCNT_UNLOCK;
+ if (!refcnt)
op_free((OP_4tree*)r->data->data[n]);
- }
- else {
- OP_REFCNT_UNLOCK;
- }
PAD_RESTORE_LOCAL(old_comppad);
SvREFCNT_dec((SV*)new_comppad);