/* cop.h
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#define PUSHFORMAT(cx) \
cx->blk_sub.cv = cv; \
cx->blk_sub.gv = gv; \
+ cx->blk_sub.hasargs = 0; \
cx->blk_sub.dfoutgv = defoutgv; \
- cx->blk_sub.hasargs = 0;
+ (void)SvREFCNT_inc(cx->blk_sub.dfoutgv)
#define POPSUB(cx) \
- if (cx->blk_sub.hasargs) { /* put back old @_ */ \
- GvAV(defgv) = cx->blk_sub.savearray; \
+ { struct block_sub cxsub; \
+ POPSUB1(cx); \
+ POPSUB2(); }
+
+#define POPSUB1(cx) \
+ cxsub = cx->blk_sub; /* because DESTROY may clobber *cx */
+
+#define POPSUB2() \
+ if (cxsub.hasargs) { \
+ /* put back old @_ */ \
+ SvREFCNT_dec(GvAV(defgv)); \
+ GvAV(defgv) = cxsub.savearray; \
+ /* destroy arg array */ \
+ av_clear(cxsub.argarray); \
+ AvREAL_off(cxsub.argarray); \
} \
- if (cx->blk_sub.cv) { \
- if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) { \
- SvREFCNT_dec((SV*)cx->blk_sub.cv); \
- } \
+ if (cxsub.cv) { \
+ if (!(CvDEPTH(cxsub.cv) = cxsub.olddepth)) \
+ SvREFCNT_dec(cxsub.cv); \
}
#define POPFORMAT(cx) \
- defoutgv = cx->blk_sub.dfoutgv;
+ setdefout(cx->blk_sub.dfoutgv); \
+ SvREFCNT_dec(cx->blk_sub.dfoutgv);
/* eval context */
struct block_eval {
OP * last_op;
SV ** itervar;
SV * itersave;
+ SV * iterlval;
AV * iterary;
I32 iterix;
};
cx->blk_loop.redo_op = cLOOP->op_redoop; \
cx->blk_loop.next_op = cLOOP->op_nextop; \
cx->blk_loop.last_op = cLOOP->op_lastop; \
- cx->blk_loop.itervar = ivar; \
- if (ivar) \
- cx->blk_loop.itersave = *cx->blk_loop.itervar;
+ if (cx->blk_loop.itervar = (ivar)) \
+ cx->blk_loop.itersave = SvREFCNT_inc(*cx->blk_loop.itervar);\
+ cx->blk_loop.iterlval = Nullsv; \
+ cx->blk_loop.iterary = Nullav; \
+ cx->blk_loop.iterix = -1;
#define POPLOOP(cx) \
- newsp = stack_base + cx->blk_loop.resetsp; \
- if (cx->blk_loop.itervar) \
- *cx->blk_loop.itervar = cx->blk_loop.itersave;
+ { struct block_loop cxloop; \
+ POPLOOP1(cx); \
+ POPLOOP2(); }
+
+#define POPLOOP1(cx) \
+ cxloop = cx->blk_loop; /* because DESTROY may clobber *cx */ \
+ newsp = stack_base + cxloop.resetsp;
+
+#define POPLOOP2() \
+ SvREFCNT_dec(cxloop.iterlval); \
+ if (cxloop.itervar) { \
+ SvREFCNT_dec(*cxloop.itervar); \
+ *cxloop.itervar = cxloop.itersave; \
+ } \
+ if (cxloop.iterary && cxloop.iterary != curstack) \
+ SvREFCNT_dec(cxloop.iterary);
/* context common to subroutines, evals and loops */
struct block {
cx->blk_oldretsp = retstack_ix, \
cx->blk_oldpm = curpm, \
cx->blk_gimme = gimme; \
- DEBUG_l( fprintf(stderr,"Entering block %ld, type %s\n", \
+ DEBUG_l( PerlIO_printf(PerlIO_stderr(), "Entering block %ld, type %s\n", \
(long)cxstack_ix, block_type[t]); )
/* Exit a block (RETURN and LAST). */
retstack_ix = cx->blk_oldretsp, \
pm = cx->blk_oldpm, \
gimme = cx->blk_gimme; \
- DEBUG_l( fprintf(stderr,"Leaving block %ld, type %s\n", \
+ DEBUG_l( PerlIO_printf(PerlIO_stderr(), "Leaving block %ld, type %s\n", \
(long)cxstack_ix+1,block_type[cx->cx_type]); )
/* Continue a block elsewhere (NEXT and REDO). */
I32 sbu_iters;
I32 sbu_maxiters;
I32 sbu_safebase;
- I32 sbu_once;
+ I32 sbu_oldsave;
+ bool sbu_once;
+ bool sbu_rxtainted;
char * sbu_orig;
SV * sbu_dstr;
SV * sbu_targ;
char * sbu_m;
char * sbu_strend;
char * sbu_subbase;
+ REGEXP * sbu_rx;
};
#define sb_iters cx_u.cx_subst.sbu_iters
#define sb_maxiters cx_u.cx_subst.sbu_maxiters
#define sb_safebase cx_u.cx_subst.sbu_safebase
+#define sb_oldsave cx_u.cx_subst.sbu_oldsave
#define sb_once cx_u.cx_subst.sbu_once
+#define sb_rxtainted cx_u.cx_subst.sbu_rxtainted
#define sb_orig cx_u.cx_subst.sbu_orig
#define sb_dstr cx_u.cx_subst.sbu_dstr
#define sb_targ cx_u.cx_subst.sbu_targ
#define sb_m cx_u.cx_subst.sbu_m
#define sb_strend cx_u.cx_subst.sbu_strend
#define sb_subbase cx_u.cx_subst.sbu_subbase
+#define sb_rx cx_u.cx_subst.sbu_rx
#define PUSHSUBST(cx) CXINC, cx = &cxstack[cxstack_ix], \
cx->sb_iters = iters, \
cx->sb_maxiters = maxiters, \
cx->sb_safebase = safebase, \
+ cx->sb_oldsave = oldsave, \
cx->sb_once = once, \
+ cx->sb_rxtainted = rxtainted, \
cx->sb_orig = orig, \
cx->sb_dstr = dstr, \
cx->sb_targ = targ, \
cx->sb_s = s, \
cx->sb_m = m, \
cx->sb_strend = strend, \
+ cx->sb_subbase = Nullch, \
+ cx->sb_rx = rx, \
cx->cx_type = CXt_SUBST
#define POPSUBST(cx) cxstack_ix--
/* "gimme" values */
#define G_SCALAR 0
#define G_ARRAY 1
+#define G_VOID 128 /* skip this bit when adding flags below */
/* extra flags for perl_call_* routines */
#define G_DISCARD 2 /* Call FREETMPS. */
#define G_EVAL 4 /* Assume eval {} around subroutine call. */
#define G_NOARGS 8 /* Don't construct a @_ array. */
+#define G_KEEPERR 16 /* Append errors to $@, don't overwrite it */