/* cop.h
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2001, 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.
I32 cop_arybase; /* array base this line was compiled with */
line_t cop_line; /* line # of this command */
SV * cop_warnings; /* lexical warnings bitmask */
+ SV * cop_io; /* lexical IO defaults */
};
#define Nullcop Null(COP*)
# define CopFILE(c) ((c)->cop_file)
# define CopFILEGV(c) (CopFILE(c) \
? gv_fetchfile(CopFILE(c)) : Nullgv)
-# define CopFILE_set(c,pv) ((c)->cop_file = savepv(pv)) /* XXX */
+# define CopFILE_set(c,pv) ((c)->cop_file = savepv(pv))
# define CopFILESV(c) (CopFILE(c) \
? GvSV(gv_fetchfile(CopFILE(c))) : Nullsv)
# define CopFILEAV(c) (CopFILE(c) \
? GvAV(gv_fetchfile(CopFILE(c))) : Nullav)
# define CopSTASHPV(c) ((c)->cop_stashpv)
-# define CopSTASHPV_set(c,pv) ((c)->cop_stashpv = savepv(pv)) /* XXX */
+# define CopSTASHPV_set(c,pv) ((c)->cop_stashpv = ((pv) ? savepv(pv) : Nullch))
# define CopSTASH(c) (CopSTASHPV(c) \
? gv_stashpv(CopSTASHPV(c),GV_ADD) : Nullhv)
-# define CopSTASH_set(c,hv) CopSTASHPV_set(c, HvNAME(hv))
-# define CopSTASH_eq(c,hv) (hv \
+# define CopSTASH_set(c,hv) CopSTASHPV_set(c, (hv) ? HvNAME(hv) : Nullch)
+# define CopSTASH_eq(c,hv) ((hv) \
&& (CopSTASHPV(c) == HvNAME(hv) \
|| (CopSTASHPV(c) && HvNAME(hv) \
&& strEQ(CopSTASHPV(c), HvNAME(hv)))))
#else
# define CopFILEGV(c) ((c)->cop_filegv)
-# define CopFILEGV_set(c,gv) ((c)->cop_filegv = gv)
-# define CopFILE_set(c,pv) ((c)->cop_filegv = gv_fetchfile(pv))
+# define CopFILEGV_set(c,gv) ((c)->cop_filegv = (GV*)SvREFCNT_inc(gv))
+# define CopFILE_set(c,pv) CopFILEGV_set((c), gv_fetchfile(pv))
# define CopFILESV(c) (CopFILEGV(c) ? GvSV(CopFILEGV(c)) : Nullsv)
# define CopFILEAV(c) (CopFILEGV(c) ? GvAV(CopFILEGV(c)) : Nullav)
# define CopFILE(c) (CopFILESV(c) ? SvPVX(CopFILESV(c)) : Nullch)
# define CopSTASH(c) ((c)->cop_stash)
-# define CopSTASH_set(c,hv) ((c)->cop_stash = hv)
+# define CopSTASH_set(c,hv) ((c)->cop_stash = (hv))
# define CopSTASHPV(c) (CopSTASH(c) ? HvNAME(CopSTASH(c)) : Nullch)
-# define CopSTASHPV_set(c,pv) CopSTASH_set(c, gv_stashpv(pv,GV_ADD))
-# define CopSTASH_eq(c,hv) (CopSTASH(c) == hv)
+ /* cop_stash is not refcounted */
+# define CopSTASHPV_set(c,pv) CopSTASH_set((c), gv_stashpv(pv,GV_ADD))
+# define CopSTASH_eq(c,hv) (CopSTASH(c) == (hv))
#endif /* USE_ITHREADS */
#define CopSTASH_ne(c,hv) (!CopSTASH_eq(c,hv))
U16 olddepth;
U8 hasargs;
U8 lval; /* XXX merge lval and hasargs? */
+ SV ** oldcurpad;
};
#define PUSHSUB(cx) \
} STMT_END
#endif /* USE_THREADS */
-#ifdef USE_ITHREADS
- /* junk in @_ spells trouble when cloning CVs, so don't leave any */
-# define CLEAR_ARGARRAY() av_clear(cx->blk_sub.argarray)
-#else
-# define CLEAR_ARGARRAY() NOOP
-#endif /* USE_ITHREADS */
-
+/* junk in @_ spells trouble when cloning CVs and in pp_caller(), so don't
+ * leave any (a fast av_clear(ary), basically) */
+#define CLEAR_ARGARRAY(ary) \
+ STMT_START { \
+ AvMAX(ary) += AvARRAY(ary) - AvALLOC(ary); \
+ SvPVX(ary) = (char*)AvALLOC(ary); \
+ AvFILLp(ary) = -1; \
+ } STMT_END
#define POPSUB(cx,sv) \
STMT_START { \
cx->blk_sub.argarray = newAV(); \
av_extend(cx->blk_sub.argarray, fill); \
AvFLAGS(cx->blk_sub.argarray) = AVf_REIFY; \
- PL_curpad[0] = (SV*)cx->blk_sub.argarray; \
+ cx->blk_sub.oldcurpad[0] = (SV*)cx->blk_sub.argarray; \
} \
else { \
- CLEAR_ARGARRAY(); \
+ CLEAR_ARGARRAY(cx->blk_sub.argarray); \
} \
} \
sv = (SV*)cx->blk_sub.cv; \
struct block_eval {
I32 old_in_eval;
I32 old_op_type;
- char * old_name;
+ SV * old_namesv;
OP * old_eval_root;
SV * cur_text;
};
#define PUSHEVAL(cx,n,fgv) \
+ STMT_START { \
cx->blk_eval.old_in_eval = PL_in_eval; \
cx->blk_eval.old_op_type = PL_op->op_type; \
- cx->blk_eval.old_name = (n ? savepv(n) : Nullch); \
+ cx->blk_eval.old_namesv = (n ? newSVpv(n,0) : Nullsv); \
cx->blk_eval.old_eval_root = PL_eval_root; \
- cx->blk_eval.cur_text = PL_linestr;
+ cx->blk_eval.cur_text = PL_linestr; \
+ } STMT_END
#define POPEVAL(cx) \
+ STMT_START { \
PL_in_eval = cx->blk_eval.old_in_eval; \
optype = cx->blk_eval.old_op_type; \
PL_eval_root = cx->blk_eval.old_eval_root; \
- Safefree(cx->blk_eval.old_name);
+ if (cx->blk_eval.old_namesv) \
+ sv_2mortal(cx->blk_eval.old_namesv); \
+ } STMT_END
/* loop context */
struct block_loop {
OP * last_op;
#ifdef USE_ITHREADS
void * iterdata;
+ SV ** oldcurpad;
#else
SV ** itervar;
#endif
# define CxITERVAR(c) \
((c)->blk_loop.iterdata \
? (CxPADLOOP(cx) \
- ? &PL_curpad[(PADOFFSET)(c)->blk_loop.iterdata] \
+ ? &((c)->blk_loop.oldcurpad)[(PADOFFSET)(c)->blk_loop.iterdata] \
: &GvSV((GV*)(c)->blk_loop.iterdata)) \
: (SV**)NULL)
# define CX_ITERDATA_SET(cx,idata) \
- if (cx->blk_loop.iterdata = (idata)) \
+ cx->blk_loop.oldcurpad = PL_curpad; \
+ if ((cx->blk_loop.iterdata = (idata))) \
cx->blk_loop.itersave = SvREFCNT_inc(*CxITERVAR(cx));
#else
# define CxITERVAR(c) ((c)->blk_loop.itervar)
# define CX_ITERDATA_SET(cx,ivar) \
- if (cx->blk_loop.itervar = (SV**)(ivar)) \
+ if ((cx->blk_loop.itervar = (SV**)(ivar))) \
cx->blk_loop.itersave = SvREFCNT_inc(*CxITERVAR(cx));
#endif
/* private flags for CXt_EVAL */
#define CXp_REAL 0x00000100 /* truly eval'', not a lookalike */
+#define CXp_TRYBLOCK 0x00000200 /* eval{}, not eval'' or similar */
#ifdef USE_ITHREADS
/* private flags for CXt_LOOP */
#define CxTYPE(c) ((c)->cx_type & CXTYPEMASK)
#define CxREALEVAL(c) (((c)->cx_type & (CXt_EVAL|CXp_REAL)) \
== (CXt_EVAL|CXp_REAL))
+#define CxTRYBLOCK(c) (((c)->cx_type & (CXt_EVAL|CXp_TRYBLOCK)) \
+ == (CXt_EVAL|CXp_TRYBLOCK))
#define CXINC (cxstack_ix < cxstack_max ? ++cxstack_ix : (cxstack_ix = cxinc()))
L<perlcall>.
=for apidoc AmU||G_ARRAY
-Used to indicate array context. See C<GIMME_V>, C<GIMME> and
+Used to indicate list context. See C<GIMME_V>, C<GIMME> and
L<perlcall>.
=for apidoc AmU||G_VOID
#define G_NOARGS 8 /* Don't construct a @_ array. */
#define G_KEEPERR 16 /* Append errors to $@, don't overwrite it */
#define G_NODEBUG 32 /* Disable debugging at toplevel. */
+#define G_METHOD 64 /* Calling method. */
/* flag bits for PL_in_eval */
#define EVAL_NULL 0 /* not in an eval */
#define EVAL_INEVAL 1 /* some enclosing scope is an eval */
#define EVAL_WARNONLY 2 /* used by yywarn() when calling yyerror() */
#define EVAL_KEEPERR 4 /* set by Perl_call_sv if G_KEEPERR */
+#define EVAL_INREQUIRE 8 /* The code is being required. */
/* Support for switching (stack and block) contexts.
* This ensures magic doesn't invalidate local stack and cx pointers.
https://perl5.git.perl.org / perl5.git / blobdiff