#include "EXTERN.h"
#include "perl.h"
-#define USE_OP_MASK /* Turned on by default in 5.002beta1h */
+#ifdef PERL_OBJECT
+#define CHECKCALL this->*check
+#else
+#define CHECKCALL *check
+#endif
-#ifdef USE_OP_MASK
/*
- * In the following definition, the ", (OP *) op" is just to make the compiler
+ * In the following definition, the ", Nullop" is just to make the compiler
* think the expression is of the right type: croak actually does a Siglongjmp.
*/
-#define CHECKOP(type,op) \
+#define CHECKOP(type,o) \
((op_mask && op_mask[type]) \
- ? ( op_free((OP*)op), \
+ ? ( op_free((OP*)o), \
croak("%s trapped by operation mask", op_desc[type]), \
Nullop ) \
- : (*check[type])((OP*)op))
-#else
-#define CHECKOP(type,op) (*check[type])(op)
-#endif /* USE_OP_MASK */
-
-static I32 list_assignment _((OP *op));
-static OP *bad_type _((I32 n, char *t, char *name, OP *kid));
-static OP *modkids _((OP *op, I32 type));
-static OP *no_fh_allowed _((OP *op));
-static bool scalar_mod_type _((OP *op, I32 type));
-static OP *scalarboolean _((OP *op));
-static OP *too_few_arguments _((OP *op, char* name));
-static OP *too_many_arguments _((OP *op, char* name));
-static void null _((OP* op));
+ : (CHECKCALL[type])((OP*)o))
+
+static bool scalar_mod_type _((OP *o, I32 type));
+#ifndef PERL_OBJECT
+static I32 list_assignment _((OP *o));
+static void bad_type _((I32 n, char *t, char *name, OP *kid));
+static OP *modkids _((OP *o, I32 type));
+static OP *no_fh_allowed _((OP *o));
+static OP *scalarboolean _((OP *o));
+static OP *too_few_arguments _((OP *o, char* name));
+static OP *too_many_arguments _((OP *o, char* name));
+static void null _((OP* o));
static PADOFFSET pad_findlex _((char* name, PADOFFSET newoff, U32 seq,
CV* startcv, I32 cx_ix));
+static OP *newDEFSVOP _((void));
+static OP *new_logop _((I32 type, I32 flags, OP **firstp, OP **otherp));
+#endif
-static char*
-CvNAME(cv)
-CV* cv;
+STATIC char*
+gv_ename(GV *gv)
{
SV* tmpsv = sv_newmortal();
- gv_efullname3(tmpsv, CvGV(cv), Nullch);
+ gv_efullname3(tmpsv, gv, Nullch);
return SvPV(tmpsv,na);
}
-static OP *
-no_fh_allowed(op)
-OP *op;
+STATIC OP *
+no_fh_allowed(OP *o)
{
- sprintf(tokenbuf,"Missing comma after first argument to %s function",
- op_desc[op->op_type]);
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Missing comma after first argument to %s function",
+ op_desc[o->op_type]));
+ return o;
}
-static OP *
-too_few_arguments(op, name)
-OP* op;
-char* name;
+STATIC OP *
+too_few_arguments(OP *o, char *name)
{
- sprintf(tokenbuf,"Not enough arguments for %s", name);
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Not enough arguments for %s", name));
+ return o;
}
-static OP *
-too_many_arguments(op, name)
-OP *op;
-char* name;
+STATIC OP *
+too_many_arguments(OP *o, char *name)
{
- sprintf(tokenbuf,"Too many arguments for %s", name);
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Too many arguments for %s", name));
+ return o;
}
-static OP *
-bad_type(n, t, name, kid)
-I32 n;
-char *t;
-char *name;
-OP *kid;
+STATIC void
+bad_type(I32 n, char *t, char *name, OP *kid)
{
- sprintf(tokenbuf, "Type of arg %d to %s must be %s (not %s)",
- (int) n, name, t, op_desc[kid->op_type]);
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Type of arg %d to %s must be %s (not %s)",
+ (int)n, name, t, op_desc[kid->op_type]));
}
void
-assertref(op)
-OP *op;
+assertref(OP *o)
{
- int type = op->op_type;
+ int type = o->op_type;
if (type != OP_AELEM && type != OP_HELEM) {
- sprintf(tokenbuf, "Can't use subscript on %s", op_desc[type]);
- yyerror(tokenbuf);
- if (type == OP_ENTERSUB || type == OP_RV2HV || type == OP_PADHV)
- warn("(Did you mean $ or @ instead of %c?)\n",
- type == OP_ENTERSUB ? '&' : '%');
+ yyerror(form("Can't use subscript on %s", op_desc[type]));
+ if (type == OP_ENTERSUB || type == OP_RV2HV || type == OP_PADHV) {
+ dTHR;
+ SV *msg = sv_2mortal(
+ newSVpvf("(Did you mean $ or @ instead of %c?)\n",
+ type == OP_ENTERSUB ? '&' : '%'));
+ if (in_eval & 2)
+ warn("%_", msg);
+ else if (in_eval)
+ sv_catsv(GvSV(errgv), msg);
+ else
+ PerlIO_write(PerlIO_stderr(), SvPVX(msg), SvCUR(msg));
+ }
}
}
/* "register" allocation */
PADOFFSET
-pad_allocmy(name)
-char *name;
+pad_allocmy(char *name)
{
+ dTHR;
PADOFFSET off;
SV *sv;
if (!(isALPHA(name[1]) || name[1] == '_' && (int)strlen(name) > 2)) {
- if (!isPRINT(name[1]))
- sprintf(name+1, "^%c", toCTRL(name[1])); /* XXX tokenbuf, really */
+ if (!isPRINT(name[1])) {
+ name[3] = '\0';
+ name[2] = toCTRL(name[1]);
+ name[1] = '^';
+ }
croak("Can't use global %s in \"my\"",name);
}
- if (AvFILL(comppad_name) >= 0) {
+ if (dowarn && AvFILLp(comppad_name) >= 0) {
SV **svp = AvARRAY(comppad_name);
- for (off = AvFILL(comppad_name); off > comppad_name_floor; off--) {
+ for (off = AvFILLp(comppad_name); off > comppad_name_floor; off--) {
if ((sv = svp[off])
&& sv != &sv_undef
&& SvIVX(sv) == 999999999 /* var is in open scope */
sv = NEWSV(1102,0);
sv_upgrade(sv, SVt_PVNV);
sv_setpv(sv, name);
+ if (in_my_stash) {
+ if (*name != '$')
+ croak("Can't declare class for non-scalar %s in \"my\"",name);
+ SvOBJECT_on(sv);
+ (void)SvUPGRADE(sv, SVt_PVMG);
+ SvSTASH(sv) = (HV*)SvREFCNT_inc(in_my_stash);
+ sv_objcount++;
+ }
av_store(comppad_name, off, sv);
SvNVX(sv) = (double)999999999;
SvIVX(sv) = 0; /* Not yet introduced--see newSTATEOP */
return off;
}
-static PADOFFSET
-#ifndef CAN_PROTOTYPE
-pad_findlex(name, newoff, seq, startcv, cx_ix)
-char *name;
-PADOFFSET newoff;
-U32 seq;
-CV* startcv;
-I32 cx_ix;
-#else
+STATIC PADOFFSET
pad_findlex(char *name, PADOFFSET newoff, U32 seq, CV* startcv, I32 cx_ix)
-#endif
{
+ dTHR;
CV *cv;
I32 off;
SV *sv;
register I32 i;
- register CONTEXT *cx;
+ register PERL_CONTEXT *cx;
int saweval;
for (cv = startcv; cv; cv = CvOUTSIDE(cv)) {
continue;
curname = (AV*)*svp;
svp = AvARRAY(curname);
- for (off = AvFILL(curname); off > 0; off--) {
+ for (off = AvFILLp(curname); off > 0; off--) {
if ((sv = svp[off]) &&
sv != &sv_undef &&
seq <= SvIVX(sv) &&
}
PADOFFSET
-pad_findmy(name)
-char *name;
+pad_findmy(char *name)
{
+ dTHR;
I32 off;
I32 pendoff = 0;
SV *sv;
SV **svp = AvARRAY(comppad_name);
U32 seq = cop_seqmax;
+#ifdef USE_THREADS
+ /*
+ * Special case to get lexical (and hence per-thread) @_.
+ * XXX I need to find out how to tell at parse-time whether use
+ * of @_ should refer to a lexical (from a sub) or defgv (global
+ * scope and maybe weird sub-ish things like formats). See
+ * startsub in perly.y. It's possible that @_ could be lexical
+ * (at least from subs) even in non-threaded perl.
+ */
+ if (strEQ(name, "@_"))
+ return 0; /* success. (NOT_IN_PAD indicates failure) */
+#endif /* USE_THREADS */
+
/* The one we're looking for is probably just before comppad_name_fill. */
- for (off = AvFILL(comppad_name); off > 0; off--) {
+ for (off = AvFILLp(comppad_name); off > 0; off--) {
if ((sv = svp[off]) &&
sv != &sv_undef &&
(!SvIVX(sv) ||
/* If there is a pending local definition, this new alias must die */
if (pendoff)
SvIVX(AvARRAY(comppad_name)[off]) = seq;
- return off;
+ return off; /* pad_findlex returns 0 for failure...*/
}
-
- return 0;
+ return NOT_IN_PAD; /* ...but we return NOT_IN_PAD for failure */
}
void
-pad_leavemy(fill)
-I32 fill;
+pad_leavemy(I32 fill)
{
I32 off;
SV **svp = AvARRAY(comppad_name);
}
}
/* "Deintroduce" my variables that are leaving with this scope. */
- for (off = AvFILL(comppad_name); off > fill; off--) {
+ for (off = AvFILLp(comppad_name); off > fill; off--) {
if ((sv = svp[off]) && sv != &sv_undef && SvIVX(sv) == 999999999)
SvIVX(sv) = cop_seqmax;
}
}
PADOFFSET
-pad_alloc(optype,tmptype)
-I32 optype;
-U32 tmptype;
+pad_alloc(I32 optype, U32 tmptype)
{
+ dTHR;
SV *sv;
I32 retval;
pad_reset();
if (tmptype & SVs_PADMY) {
do {
- sv = *av_fetch(comppad, AvFILL(comppad) + 1, TRUE);
+ sv = *av_fetch(comppad, AvFILLp(comppad) + 1, TRUE);
} while (SvPADBUSY(sv)); /* need a fresh one */
- retval = AvFILL(comppad);
+ retval = AvFILLp(comppad);
}
else {
SV **names = AvARRAY(comppad_name);
- SSize_t names_fill = AvFILL(comppad_name);
+ SSize_t names_fill = AvFILLp(comppad_name);
for (;;) {
/*
* "foreach" index vars temporarily become aliases to non-"my"
}
SvFLAGS(sv) |= tmptype;
curpad = AvARRAY(comppad);
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad alloc %ld for %s\n", (long) retval, op_name[optype]));
+#ifdef USE_THREADS
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx alloc %ld for %s\n",
+ (unsigned long) thr, (unsigned long) curpad,
+ (long) retval, op_name[optype]));
+#else
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx alloc %ld for %s\n",
+ (unsigned long) curpad,
+ (long) retval, op_name[optype]));
+#endif /* USE_THREADS */
return (PADOFFSET)retval;
}
SV *
-#ifndef CAN_PROTOTYPE
-pad_sv(po)
-PADOFFSET po;
-#else
pad_sv(PADOFFSET po)
-#endif /* CAN_PROTOTYPE */
{
+ dTHR;
+#ifdef USE_THREADS
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx sv %d\n",
+ (unsigned long) thr, (unsigned long) curpad, po));
+#else
if (!po)
croak("panic: pad_sv po");
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad sv %lu\n", (unsigned long)po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx sv %d\n",
+ (unsigned long) curpad, po));
+#endif /* USE_THREADS */
return curpad[po]; /* eventually we'll turn this into a macro */
}
void
-#ifndef CAN_PROTOTYPE
-pad_free(po)
-PADOFFSET po;
-#else
pad_free(PADOFFSET po)
-#endif /* CAN_PROTOTYPE */
{
+ dTHR;
if (!curpad)
return;
if (AvARRAY(comppad) != curpad)
croak("panic: pad_free curpad");
if (!po)
croak("panic: pad_free po");
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad free %lu\n", (unsigned long)po));
- if (curpad[po] && !SvIMMORTAL(curpad[po]))
+#ifdef USE_THREADS
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx free %d\n",
+ (unsigned long) thr, (unsigned long) curpad, po));
+#else
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx free %d\n",
+ (unsigned long) curpad, po));
+#endif /* USE_THREADS */
+ if (curpad[po] && curpad[po] != &sv_undef)
SvPADTMP_off(curpad[po]);
if ((I32)po < padix)
padix = po - 1;
}
void
-#ifndef CAN_PROTOTYPE
-pad_swipe(po)
-PADOFFSET po;
-#else
pad_swipe(PADOFFSET po)
-#endif /* CAN_PROTOTYPE */
{
+ dTHR;
if (AvARRAY(comppad) != curpad)
croak("panic: pad_swipe curpad");
if (!po)
croak("panic: pad_swipe po");
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad swipe %lu\n", (unsigned long)po));
+#ifdef USE_THREADS
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx swipe %d\n",
+ (unsigned long) thr, (unsigned long) curpad, po));
+#else
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx swipe %d\n",
+ (unsigned long) curpad, po));
+#endif /* USE_THREADS */
SvPADTMP_off(curpad[po]);
curpad[po] = NEWSV(1107,0);
SvPADTMP_on(curpad[po]);
padix = po - 1;
}
+/* XXX pad_reset() is currently disabled because it results in serious bugs.
+ * It causes pad temp TARGs to be shared between OPs. Since TARGs are pushed
+ * on the stack by OPs that use them, there are several ways to get an alias
+ * to a shared TARG. Such an alias will change randomly and unpredictably.
+ * We avoid doing this until we can think of a Better Way.
+ * GSAR 97-10-29 */
void
-pad_reset()
+pad_reset(void)
{
+#ifdef USE_BROKEN_PAD_RESET
+ dTHR;
register I32 po;
if (AvARRAY(comppad) != curpad)
croak("panic: pad_reset curpad");
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad reset\n"));
+#ifdef USE_THREADS
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx reset\n",
+ (unsigned long) thr, (unsigned long) curpad));
+#else
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx reset\n",
+ (unsigned long) curpad));
+#endif /* USE_THREADS */
if (!tainting) { /* Can't mix tainted and non-tainted temporaries. */
for (po = AvMAX(comppad); po > padix_floor; po--) {
if (curpad[po] && !SvIMMORTAL(curpad[po]))
}
padix = padix_floor;
}
+#endif
pad_reset_pending = FALSE;
}
+#ifdef USE_THREADS
+/* find_threadsv is not reentrant */
+PADOFFSET
+find_threadsv(char *name)
+{
+ dTHR;
+ char *p;
+ PADOFFSET key;
+ SV **svp;
+ /* We currently only handle names of a single character */
+ p = strchr(threadsv_names, *name);
+ if (!p)
+ return NOT_IN_PAD;
+ key = p - threadsv_names;
+ svp = av_fetch(thr->threadsv, key, FALSE);
+ if (!svp) {
+ SV *sv = NEWSV(0, 0);
+ av_store(thr->threadsv, key, sv);
+ thr->threadsvp = AvARRAY(thr->threadsv);
+ /*
+ * Some magic variables used to be automagically initialised
+ * in gv_fetchpv. Those which are now per-thread magicals get
+ * initialised here instead.
+ */
+ switch (*name) {
+ case '_':
+ break;
+ case ';':
+ sv_setpv(sv, "\034");
+ sv_magic(sv, 0, 0, name, 1);
+ break;
+ case '&':
+ case '`':
+ case '\'':
+ sawampersand = TRUE;
+ SvREADONLY_on(sv);
+ /* FALL THROUGH */
+
+ /* XXX %! tied to Errno.pm needs to be added here.
+ * See gv_fetchpv(). */
+ /* case '!': */
+
+ default:
+ sv_magic(sv, 0, 0, name, 1);
+ }
+ DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ "find_threadsv: new SV %p for $%s%c\n",
+ sv, (*name < 32) ? "^" : "",
+ (*name < 32) ? toCTRL(*name) : *name));
+ }
+ return key;
+}
+#endif /* USE_THREADS */
+
/* Destructor */
void
-op_free(op)
-OP *op;
+op_free(OP *o)
{
register OP *kid, *nextkid;
- if (!op || op->op_seq == (U16)-1)
+ if (!o || o->op_seq == (U16)-1)
return;
- if (op->op_flags & OPf_KIDS) {
- for (kid = cUNOP->op_first; kid; kid = nextkid) {
+ if (o->op_flags & OPf_KIDS) {
+ for (kid = cUNOPo->op_first; kid; kid = nextkid) {
nextkid = kid->op_sibling; /* Get before next freeing kid */
op_free(kid);
}
}
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_NULL:
- op->op_targ = 0; /* Was holding old type, if any. */
+ o->op_targ = 0; /* Was holding old type, if any. */
break;
case OP_ENTEREVAL:
- op->op_targ = 0; /* Was holding hints. */
+ o->op_targ = 0; /* Was holding hints. */
+ break;
+#ifdef USE_THREADS
+ case OP_THREADSV:
+ o->op_targ = 0; /* Was holding index into thr->threadsv AV. */
break;
+#endif /* USE_THREADS */
default:
- if (!(op->op_flags & OPf_REF) || (check[op->op_type] != ck_ftst))
+ if (!(o->op_flags & OPf_REF)
+ || (check[o->op_type] != FUNC_NAME_TO_PTR(ck_ftst)))
break;
/* FALL THROUGH */
case OP_GVSV:
case OP_GV:
case OP_AELEMFAST:
- SvREFCNT_dec(cGVOP->op_gv);
+ SvREFCNT_dec(cGVOPo->op_gv);
break;
case OP_NEXTSTATE:
case OP_DBSTATE:
- Safefree(cCOP->cop_label);
- SvREFCNT_dec(cCOP->cop_filegv);
+ Safefree(cCOPo->cop_label);
+ SvREFCNT_dec(cCOPo->cop_filegv);
break;
case OP_CONST:
- SvREFCNT_dec(cSVOP->op_sv);
+ SvREFCNT_dec(cSVOPo->op_sv);
break;
case OP_GOTO:
case OP_NEXT:
case OP_LAST:
case OP_REDO:
- if (op->op_flags & (OPf_SPECIAL|OPf_STACKED|OPf_KIDS))
+ if (o->op_flags & (OPf_SPECIAL|OPf_STACKED|OPf_KIDS))
break;
/* FALL THROUGH */
case OP_TRANS:
- Safefree(cPVOP->op_pv);
+ Safefree(cPVOPo->op_pv);
break;
case OP_SUBST:
- op_free(cPMOP->op_pmreplroot);
+ op_free(cPMOPo->op_pmreplroot);
/* FALL THROUGH */
case OP_PUSHRE:
case OP_MATCH:
- pregfree(cPMOP->op_pmregexp);
- SvREFCNT_dec(cPMOP->op_pmshort);
+ ReREFCNT_dec(cPMOPo->op_pmregexp);
break;
}
- if (op->op_targ > 0)
- pad_free(op->op_targ);
+ if (o->op_targ > 0)
+ pad_free(o->op_targ);
- Safefree(op);
+ Safefree(o);
}
-static void
-null(op)
-OP* op;
+STATIC void
+null(OP *o)
{
- if (op->op_type != OP_NULL && op->op_targ > 0)
- pad_free(op->op_targ);
- op->op_targ = op->op_type;
- op->op_type = OP_NULL;
- op->op_ppaddr = ppaddr[OP_NULL];
+ if (o->op_type != OP_NULL && o->op_type != OP_THREADSV && o->op_targ > 0)
+ pad_free(o->op_targ);
+ o->op_targ = o->op_type;
+ o->op_type = OP_NULL;
+ o->op_ppaddr = ppaddr[OP_NULL];
}
/* Contextualizers */
#define LINKLIST(o) ((o)->op_next ? (o)->op_next : linklist((OP*)o))
OP *
-linklist(op)
-OP *op;
+linklist(OP *o)
{
register OP *kid;
- if (op->op_next)
- return op->op_next;
+ if (o->op_next)
+ return o->op_next;
/* establish postfix order */
- if (cUNOP->op_first) {
- op->op_next = LINKLIST(cUNOP->op_first);
- for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) {
+ if (cUNOPo->op_first) {
+ o->op_next = LINKLIST(cUNOPo->op_first);
+ for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
if (kid->op_sibling)
kid->op_next = LINKLIST(kid->op_sibling);
else
- kid->op_next = op;
+ kid->op_next = o;
}
}
else
- op->op_next = op;
+ o->op_next = o;
- return op->op_next;
+ return o->op_next;
}
OP *
-scalarkids(op)
-OP *op;
+scalarkids(OP *o)
{
OP *kid;
- if (op && op->op_flags & OPf_KIDS) {
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ if (o && o->op_flags & OPf_KIDS) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
scalar(kid);
}
- return op;
+ return o;
}
-static OP *
-scalarboolean(op)
-OP *op;
+STATIC OP *
+scalarboolean(OP *o)
{
if (dowarn &&
- op->op_type == OP_SASSIGN && cBINOP->op_first->op_type == OP_CONST) {
+ o->op_type == OP_SASSIGN && cBINOPo->op_first->op_type == OP_CONST) {
+ dTHR;
line_t oldline = curcop->cop_line;
if (copline != NOLINE)
warn("Found = in conditional, should be ==");
curcop->cop_line = oldline;
}
- return scalar(op);
+ return scalar(o);
}
OP *
-scalar(op)
-OP *op;
+scalar(OP *o)
{
OP *kid;
/* assumes no premature commitment */
- if (!op || (op->op_flags & OPf_WANT) || error_count
- || op->op_type == OP_RETURN)
- return op;
+ if (!o || (o->op_flags & OPf_WANT) || error_count
+ || o->op_type == OP_RETURN)
+ return o;
- op->op_flags = (op->op_flags & ~OPf_WANT) | OPf_WANT_SCALAR;
+ o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_SCALAR;
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_REPEAT:
- if (op->op_private & OPpREPEAT_DOLIST)
- null(((LISTOP*)cBINOP->op_first)->op_first);
- scalar(cBINOP->op_first);
+ if (o->op_private & OPpREPEAT_DOLIST)
+ null(((LISTOP*)cBINOPo->op_first)->op_first);
+ scalar(cBINOPo->op_first);
break;
case OP_OR:
case OP_AND:
case OP_COND_EXPR:
- for (kid = cUNOP->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
scalar(kid);
break;
case OP_SPLIT:
- if ((kid = ((LISTOP*)op)->op_first) && kid->op_type == OP_PUSHRE) {
+ if ((kid = cLISTOPo->op_first) && kid->op_type == OP_PUSHRE) {
if (!kPMOP->op_pmreplroot)
deprecate("implicit split to @_");
}
case OP_SUBST:
case OP_NULL:
default:
- if (op->op_flags & OPf_KIDS) {
- for (kid = cUNOP->op_first; kid; kid = kid->op_sibling)
+ if (o->op_flags & OPf_KIDS) {
+ for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling)
scalar(kid);
}
break;
case OP_LEAVE:
case OP_LEAVETRY:
- kid = cLISTOP->op_first;
+ kid = cLISTOPo->op_first;
scalar(kid);
while (kid = kid->op_sibling) {
if (kid->op_sibling)
else
scalar(kid);
}
- curcop = &compiling;
+ WITH_THR(curcop = &compiling);
break;
case OP_SCOPE:
case OP_LINESEQ:
case OP_LIST:
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling) {
if (kid->op_sibling)
scalarvoid(kid);
else
scalar(kid);
}
- curcop = &compiling;
+ WITH_THR(curcop = &compiling);
break;
}
- return op;
+ return o;
}
OP *
-scalarvoid(op)
-OP *op;
+scalarvoid(OP *o)
{
OP *kid;
char* useless = 0;
SV* sv;
/* assumes no premature commitment */
- if (!op || (op->op_flags & OPf_WANT) == OPf_WANT_LIST || error_count
- || op->op_type == OP_RETURN)
- return op;
+ if (!o || (o->op_flags & OPf_WANT) == OPf_WANT_LIST || error_count
+ || o->op_type == OP_RETURN)
+ return o;
- op->op_flags = (op->op_flags & ~OPf_WANT) | OPf_WANT_VOID;
+ o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_VOID;
- switch (op->op_type) {
+ switch (o->op_type) {
default:
- if (!(opargs[op->op_type] & OA_FOLDCONST))
+ if (!(opargs[o->op_type] & OA_FOLDCONST))
break;
/* FALL THROUGH */
case OP_REPEAT:
- if (op->op_flags & OPf_STACKED)
+ if (o->op_flags & OPf_STACKED)
+ break;
+ goto func_ops;
+ case OP_SUBSTR:
+ if (o->op_private == 4)
break;
/* FALL THROUGH */
case OP_GVSV:
case OP_HEX:
case OP_OCT:
case OP_LENGTH:
- case OP_SUBSTR:
case OP_VEC:
case OP_INDEX:
case OP_RINDEX:
case OP_GGRNAM:
case OP_GGRGID:
case OP_GETLOGIN:
- if (!(op->op_private & OPpLVAL_INTRO))
- useless = op_desc[op->op_type];
+ func_ops:
+ if (!(o->op_private & OPpLVAL_INTRO))
+ useless = op_desc[o->op_type];
break;
case OP_RV2GV:
case OP_RV2SV:
case OP_RV2AV:
case OP_RV2HV:
- if (!(op->op_private & OPpLVAL_INTRO) &&
- (!op->op_sibling || op->op_sibling->op_type != OP_READLINE))
+ if (!(o->op_private & OPpLVAL_INTRO) &&
+ (!o->op_sibling || o->op_sibling->op_type != OP_READLINE))
useless = "a variable";
break;
case OP_NEXTSTATE:
case OP_DBSTATE:
- curcop = ((COP*)op); /* for warning below */
+ WITH_THR(curcop = ((COP*)o)); /* for warning below */
break;
case OP_CONST:
- sv = cSVOP->op_sv;
+ sv = cSVOPo->op_sv;
if (dowarn) {
useless = "a constant";
if (SvNIOK(sv) && (SvNV(sv) == 0.0 || SvNV(sv) == 1.0))
useless = 0;
}
}
- null(op); /* don't execute a constant */
+ null(o); /* don't execute a constant */
SvREFCNT_dec(sv); /* don't even remember it */
break;
case OP_POSTINC:
- op->op_type = OP_PREINC; /* pre-increment is faster */
- op->op_ppaddr = ppaddr[OP_PREINC];
+ o->op_type = OP_PREINC; /* pre-increment is faster */
+ o->op_ppaddr = ppaddr[OP_PREINC];
break;
case OP_POSTDEC:
- op->op_type = OP_PREDEC; /* pre-decrement is faster */
- op->op_ppaddr = ppaddr[OP_PREDEC];
+ o->op_type = OP_PREDEC; /* pre-decrement is faster */
+ o->op_ppaddr = ppaddr[OP_PREDEC];
break;
case OP_OR:
case OP_AND:
case OP_COND_EXPR:
- for (kid = cUNOP->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
scalarvoid(kid);
break;
case OP_NULL:
- if (op->op_targ == OP_NEXTSTATE || op->op_targ == OP_DBSTATE)
- curcop = ((COP*)op); /* for warning below */
- if (op->op_flags & OPf_STACKED)
+ if (o->op_targ == OP_NEXTSTATE || o->op_targ == OP_DBSTATE)
+ WITH_THR(curcop = ((COP*)o)); /* for warning below */
+ if (o->op_flags & OPf_STACKED)
break;
/* FALL THROUGH */
case OP_ENTERTRY:
case OP_ENTER:
case OP_SCALAR:
- if (!(op->op_flags & OPf_KIDS))
+ if (!(o->op_flags & OPf_KIDS))
break;
/* FALL THROUGH */
case OP_SCOPE:
case OP_LEAVELOOP:
case OP_LINESEQ:
case OP_LIST:
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
scalarvoid(kid);
break;
+ case OP_ENTEREVAL:
+ scalarkids(o);
+ break;
case OP_REQUIRE:
- /* since all requires must return a value, they're never void */
- op->op_flags &= ~OPf_WANT;
- return scalar(op);
+ /* all requires must return a boolean value */
+ o->op_flags &= ~OPf_WANT;
+ return scalar(o);
case OP_SPLIT:
- if ((kid = ((LISTOP*)op)->op_first) && kid->op_type == OP_PUSHRE) {
+ if ((kid = cLISTOPo->op_first) && kid->op_type == OP_PUSHRE) {
if (!kPMOP->op_pmreplroot)
deprecate("implicit split to @_");
}
}
if (useless && dowarn)
warn("Useless use of %s in void context", useless);
- return op;
+ return o;
}
OP *
-listkids(op)
-OP *op;
+listkids(OP *o)
{
OP *kid;
- if (op && op->op_flags & OPf_KIDS) {
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ if (o && o->op_flags & OPf_KIDS) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
list(kid);
}
- return op;
+ return o;
}
OP *
-list(op)
-OP *op;
+list(OP *o)
{
OP *kid;
/* assumes no premature commitment */
- if (!op || (op->op_flags & OPf_WANT) || error_count
- || op->op_type == OP_RETURN)
- return op;
+ if (!o || (o->op_flags & OPf_WANT) || error_count
+ || o->op_type == OP_RETURN)
+ return o;
- op->op_flags = (op->op_flags & ~OPf_WANT) | OPf_WANT_LIST;
+ o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_LIST;
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_FLOP:
case OP_REPEAT:
- list(cBINOP->op_first);
+ list(cBINOPo->op_first);
break;
case OP_OR:
case OP_AND:
case OP_COND_EXPR:
- for (kid = cUNOP->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
list(kid);
break;
default:
case OP_MATCH:
case OP_SUBST:
case OP_NULL:
- if (!(op->op_flags & OPf_KIDS))
+ if (!(o->op_flags & OPf_KIDS))
break;
- if (!op->op_next && cUNOP->op_first->op_type == OP_FLOP) {
- list(cBINOP->op_first);
- return gen_constant_list(op);
+ if (!o->op_next && cUNOPo->op_first->op_type == OP_FLOP) {
+ list(cBINOPo->op_first);
+ return gen_constant_list(o);
}
case OP_LIST:
- listkids(op);
+ listkids(o);
break;
case OP_LEAVE:
case OP_LEAVETRY:
- kid = cLISTOP->op_first;
+ kid = cLISTOPo->op_first;
list(kid);
while (kid = kid->op_sibling) {
if (kid->op_sibling)
else
list(kid);
}
- curcop = &compiling;
+ WITH_THR(curcop = &compiling);
break;
case OP_SCOPE:
case OP_LINESEQ:
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling) {
if (kid->op_sibling)
scalarvoid(kid);
else
list(kid);
}
- curcop = &compiling;
+ WITH_THR(curcop = &compiling);
break;
+ case OP_REQUIRE:
+ /* all requires must return a boolean value */
+ o->op_flags &= ~OPf_WANT;
+ return scalar(o);
}
- return op;
+ return o;
}
OP *
-scalarseq(op)
-OP *op;
+scalarseq(OP *o)
{
OP *kid;
- if (op) {
- if (op->op_type == OP_LINESEQ ||
- op->op_type == OP_SCOPE ||
- op->op_type == OP_LEAVE ||
- op->op_type == OP_LEAVETRY)
+ if (o) {
+ if (o->op_type == OP_LINESEQ ||
+ o->op_type == OP_SCOPE ||
+ o->op_type == OP_LEAVE ||
+ o->op_type == OP_LEAVETRY)
{
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling) {
+ dTHR;
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling) {
if (kid->op_sibling) {
scalarvoid(kid);
}
}
curcop = &compiling;
}
- op->op_flags &= ~OPf_PARENS;
+ o->op_flags &= ~OPf_PARENS;
if (hints & HINT_BLOCK_SCOPE)
- op->op_flags |= OPf_PARENS;
+ o->op_flags |= OPf_PARENS;
}
else
- op = newOP(OP_STUB, 0);
- return op;
+ o = newOP(OP_STUB, 0);
+ return o;
}
-static OP *
-modkids(op, type)
-OP *op;
-I32 type;
+STATIC OP *
+modkids(OP *o, I32 type)
{
OP *kid;
- if (op && op->op_flags & OPf_KIDS) {
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ if (o && o->op_flags & OPf_KIDS) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
mod(kid, type);
}
- return op;
+ return o;
}
-static I32 modcount;
-
OP *
-mod(op, type)
-OP *op;
-I32 type;
+mod(OP *o, I32 type)
{
+ dTHR;
OP *kid;
SV *sv;
- if (!op || error_count)
- return op;
+ if (!o || error_count)
+ return o;
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_UNDEF:
- return op;
+ modcount++;
+ return o;
case OP_CONST:
- if (!(op->op_private & (OPpCONST_ARYBASE)))
+ if (!(o->op_private & (OPpCONST_ARYBASE)))
goto nomod;
if (eval_start && eval_start->op_type == OP_CONST) {
compiling.cop_arybase = (I32)SvIV(((SVOP*)eval_start)->op_sv);
croak("That use of $[ is unsupported");
break;
case OP_STUB:
- if (op->op_flags & OPf_PARENS)
+ if (o->op_flags & OPf_PARENS)
break;
goto nomod;
case OP_ENTERSUB:
if ((type == OP_UNDEF || type == OP_REFGEN) &&
- !(op->op_flags & OPf_STACKED)) {
- op->op_type = OP_RV2CV; /* entersub => rv2cv */
- op->op_ppaddr = ppaddr[OP_RV2CV];
- assert(cUNOP->op_first->op_type == OP_NULL);
- null(((LISTOP*)cUNOP->op_first)->op_first); /* disable pushmark */
+ !(o->op_flags & OPf_STACKED)) {
+ o->op_type = OP_RV2CV; /* entersub => rv2cv */
+ o->op_ppaddr = ppaddr[OP_RV2CV];
+ assert(cUNOPo->op_first->op_type == OP_NULL);
+ null(((LISTOP*)cUNOPo->op_first)->op_first);/* disable pushmark */
break;
}
/* FALL THROUGH */
/* grep, foreach, subcalls, refgen */
if (type == OP_GREPSTART || type == OP_ENTERSUB || type == OP_REFGEN)
break;
- sprintf(tokenbuf, "Can't modify %s in %s",
- op_desc[op->op_type],
- type ? op_desc[type] : "local");
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Can't modify %s in %s",
+ op_desc[o->op_type],
+ type ? op_desc[type] : "local"));
+ return o;
case OP_PREINC:
case OP_PREDEC:
case OP_I_MODULO:
case OP_I_ADD:
case OP_I_SUBTRACT:
- if (!(op->op_flags & OPf_STACKED))
+ if (!(o->op_flags & OPf_STACKED))
goto nomod;
modcount++;
break;
case OP_COND_EXPR:
- for (kid = cUNOP->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
mod(kid, type);
break;
case OP_RV2AV:
case OP_RV2HV:
- if (type == OP_REFGEN && op->op_flags & OPf_PARENS) {
+ if (!type && cUNOPo->op_first->op_type != OP_GV)
+ croak("Can't localize through a reference");
+ if (type == OP_REFGEN && o->op_flags & OPf_PARENS) {
modcount = 10000;
- return op; /* Treat \(@foo) like ordinary list. */
+ return o; /* Treat \(@foo) like ordinary list. */
}
/* FALL THROUGH */
case OP_RV2GV:
- if (scalar_mod_type(op, type))
+ if (scalar_mod_type(o, type))
goto nomod;
- ref(cUNOP->op_first, op->op_type);
+ ref(cUNOPo->op_first, o->op_type);
/* FALL THROUGH */
case OP_AASSIGN:
case OP_ASLICE:
modcount = 10000;
break;
case OP_RV2SV:
- if (!type && cUNOP->op_first->op_type != OP_GV)
- croak("Can't localize a reference");
- ref(cUNOP->op_first, op->op_type);
+ if (!type && cUNOPo->op_first->op_type != OP_GV)
+ croak("Can't localize through a reference");
+ ref(cUNOPo->op_first, o->op_type);
/* FALL THROUGH */
case OP_GV:
case OP_AV2ARYLEN:
+ hints |= HINT_BLOCK_SCOPE;
case OP_SASSIGN:
case OP_AELEMFAST:
modcount++;
case OP_PADAV:
case OP_PADHV:
modcount = 10000;
- if (type == OP_REFGEN && op->op_flags & OPf_PARENS)
- return op; /* Treat \(@foo) like ordinary list. */
- if (scalar_mod_type(op, type))
+ if (type == OP_REFGEN && o->op_flags & OPf_PARENS)
+ return o; /* Treat \(@foo) like ordinary list. */
+ if (scalar_mod_type(o, type))
goto nomod;
/* FALL THROUGH */
case OP_PADSV:
modcount++;
if (!type)
croak("Can't localize lexical variable %s",
- SvPV(*av_fetch(comppad_name, op->op_targ, 4), na));
+ SvPV(*av_fetch(comppad_name, o->op_targ, 4), na));
+ break;
+
+#ifdef USE_THREADS
+ case OP_THREADSV:
+ modcount++; /* XXX ??? */
break;
+#endif /* USE_THREADS */
case OP_PUSHMARK:
break;
case OP_KEYS:
if (type != OP_SASSIGN)
goto nomod;
+ goto lvalue_func;
+ case OP_SUBSTR:
+ if (o->op_private == 4) /* don't allow 4 arg substr as lvalue */
+ goto nomod;
/* FALL THROUGH */
case OP_POS:
case OP_VEC:
- case OP_SUBSTR:
- pad_free(op->op_targ);
- op->op_targ = pad_alloc(op->op_type, SVs_PADMY);
- assert(SvTYPE(PAD_SV(op->op_targ)) == SVt_NULL);
- if (op->op_flags & OPf_KIDS)
- mod(cBINOP->op_first->op_sibling, type);
+ lvalue_func:
+ pad_free(o->op_targ);
+ o->op_targ = pad_alloc(o->op_type, SVs_PADMY);
+ assert(SvTYPE(PAD_SV(o->op_targ)) == SVt_NULL);
+ if (o->op_flags & OPf_KIDS)
+ mod(cBINOPo->op_first->op_sibling, type);
break;
case OP_AELEM:
case OP_HELEM:
- ref(cBINOP->op_first, op->op_type);
+ ref(cBINOPo->op_first, o->op_type);
if (type == OP_ENTERSUB &&
- !(op->op_private & (OPpLVAL_INTRO | OPpDEREF)))
- op->op_private |= OPpLVAL_DEFER;
+ !(o->op_private & (OPpLVAL_INTRO | OPpDEREF)))
+ o->op_private |= OPpLVAL_DEFER;
modcount++;
break;
case OP_SCOPE:
case OP_LEAVE:
case OP_ENTER:
- if (op->op_flags & OPf_KIDS)
- mod(cLISTOP->op_last, type);
+ if (o->op_flags & OPf_KIDS)
+ mod(cLISTOPo->op_last, type);
break;
case OP_NULL:
- if (!(op->op_flags & OPf_KIDS))
+ if (!(o->op_flags & OPf_KIDS))
break;
- if (op->op_targ != OP_LIST) {
- mod(cBINOP->op_first, type);
+ if (o->op_targ != OP_LIST) {
+ mod(cBINOPo->op_first, type);
break;
}
/* FALL THROUGH */
case OP_LIST:
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
mod(kid, type);
break;
}
- op->op_flags |= OPf_MOD;
+ o->op_flags |= OPf_MOD;
if (type == OP_AASSIGN || type == OP_SASSIGN)
- op->op_flags |= OPf_SPECIAL|OPf_REF;
+ o->op_flags |= OPf_SPECIAL|OPf_REF;
else if (!type) {
- op->op_private |= OPpLVAL_INTRO;
- op->op_flags &= ~OPf_SPECIAL;
+ o->op_private |= OPpLVAL_INTRO;
+ o->op_flags &= ~OPf_SPECIAL;
+ hints |= HINT_BLOCK_SCOPE;
}
else if (type != OP_GREPSTART && type != OP_ENTERSUB)
- op->op_flags |= OPf_REF;
- return op;
+ o->op_flags |= OPf_REF;
+ return o;
}
static bool
-scalar_mod_type(op, type)
-OP *op;
-I32 type;
+scalar_mod_type(OP *o, I32 type)
{
switch (type) {
case OP_SASSIGN:
- if (op->op_type == OP_RV2GV)
+ if (o->op_type == OP_RV2GV)
return FALSE;
/* FALL THROUGH */
case OP_PREINC:
}
OP *
-refkids(op, type)
-OP *op;
-I32 type;
+refkids(OP *o, I32 type)
{
OP *kid;
- if (op && op->op_flags & OPf_KIDS) {
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ if (o && o->op_flags & OPf_KIDS) {
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
ref(kid, type);
}
- return op;
+ return o;
}
OP *
-ref(op, type)
-OP *op;
-I32 type;
+ref(OP *o, I32 type)
{
OP *kid;
- if (!op || error_count)
- return op;
+ if (!o || error_count)
+ return o;
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_ENTERSUB:
- if ((type == OP_DEFINED) &&
- !(op->op_flags & OPf_STACKED)) {
- op->op_type = OP_RV2CV; /* entersub => rv2cv */
- op->op_ppaddr = ppaddr[OP_RV2CV];
- assert(cUNOP->op_first->op_type == OP_NULL);
- null(((LISTOP*)cUNOP->op_first)->op_first); /* disable pushmark */
- op->op_flags |= OPf_SPECIAL;
+ if ((type == OP_DEFINED || type == OP_LOCK) &&
+ !(o->op_flags & OPf_STACKED)) {
+ o->op_type = OP_RV2CV; /* entersub => rv2cv */
+ o->op_ppaddr = ppaddr[OP_RV2CV];
+ assert(cUNOPo->op_first->op_type == OP_NULL);
+ null(((LISTOP*)cUNOPo->op_first)->op_first); /* disable pushmark */
+ o->op_flags |= OPf_SPECIAL;
}
break;
-
+
case OP_COND_EXPR:
- for (kid = cUNOP->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
ref(kid, type);
break;
case OP_RV2SV:
- ref(cUNOP->op_first, op->op_type);
+ ref(cUNOPo->op_first, o->op_type);
/* FALL THROUGH */
case OP_PADSV:
if (type == OP_RV2SV || type == OP_RV2AV || type == OP_RV2HV) {
- op->op_private |= (type == OP_RV2AV ? OPpDEREF_AV
- : type == OP_RV2HV ? OPpDEREF_HV
- : OPpDEREF_SV);
- op->op_flags |= OPf_MOD;
+ o->op_private |= (type == OP_RV2AV ? OPpDEREF_AV
+ : type == OP_RV2HV ? OPpDEREF_HV
+ : OPpDEREF_SV);
+ o->op_flags |= OPf_MOD;
}
break;
+ case OP_THREADSV:
+ o->op_flags |= OPf_MOD; /* XXX ??? */
+ break;
+
case OP_RV2AV:
case OP_RV2HV:
- op->op_flags |= OPf_REF;
+ o->op_flags |= OPf_REF;
/* FALL THROUGH */
case OP_RV2GV:
- ref(cUNOP->op_first, op->op_type);
+ ref(cUNOPo->op_first, o->op_type);
break;
case OP_PADAV:
case OP_PADHV:
- op->op_flags |= OPf_REF;
+ o->op_flags |= OPf_REF;
break;
-
+
case OP_SCALAR:
case OP_NULL:
- if (!(op->op_flags & OPf_KIDS))
+ if (!(o->op_flags & OPf_KIDS))
break;
- ref(cBINOP->op_first, type);
+ ref(cBINOPo->op_first, type);
break;
case OP_AELEM:
case OP_HELEM:
- ref(cBINOP->op_first, op->op_type);
+ ref(cBINOPo->op_first, o->op_type);
if (type == OP_RV2SV || type == OP_RV2AV || type == OP_RV2HV) {
- op->op_private |= (type == OP_RV2AV ? OPpDEREF_AV
- : type == OP_RV2HV ? OPpDEREF_HV
- : OPpDEREF_SV);
- op->op_flags |= OPf_MOD;
+ o->op_private |= (type == OP_RV2AV ? OPpDEREF_AV
+ : type == OP_RV2HV ? OPpDEREF_HV
+ : OPpDEREF_SV);
+ o->op_flags |= OPf_MOD;
}
break;
case OP_LEAVE:
case OP_ENTER:
case OP_LIST:
- if (!(op->op_flags & OPf_KIDS))
+ if (!(o->op_flags & OPf_KIDS))
break;
- ref(cLISTOP->op_last, type);
+ ref(cLISTOPo->op_last, type);
break;
default:
break;
}
- return scalar(op);
+ return scalar(o);
}
OP *
-my(op)
-OP *op;
+my(OP *o)
{
OP *kid;
I32 type;
- if (!op || error_count)
- return op;
+ if (!o || error_count)
+ return o;
- type = op->op_type;
+ type = o->op_type;
if (type == OP_LIST) {
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
my(kid);
- }
- else if (type != OP_PADSV &&
+ } else if (type == OP_UNDEF) {
+ return o;
+ } else if (type != OP_PADSV &&
type != OP_PADAV &&
type != OP_PADHV &&
type != OP_PUSHMARK)
{
- sprintf(tokenbuf, "Can't declare %s in my", op_desc[op->op_type]);
- yyerror(tokenbuf);
- return op;
+ yyerror(form("Can't declare %s in my", op_desc[o->op_type]));
+ return o;
}
- op->op_flags |= OPf_MOD;
- op->op_private |= OPpLVAL_INTRO;
- return op;
+ o->op_flags |= OPf_MOD;
+ o->op_private |= OPpLVAL_INTRO;
+ return o;
}
OP *
-sawparens(o)
-OP *o;
+sawparens(OP *o)
{
if (o)
o->op_flags |= OPf_PARENS;
}
OP *
-bind_match(type, left, right)
-I32 type;
-OP *left;
-OP *right;
+bind_match(I32 type, OP *left, OP *right)
{
- OP *op;
+ OP *o;
if (dowarn &&
(left->op_type == OP_RV2AV ||
if (right->op_type != OP_MATCH)
left = mod(left, right->op_type);
if (right->op_type == OP_TRANS)
- op = newBINOP(OP_NULL, OPf_STACKED, scalar(left), right);
+ o = newBINOP(OP_NULL, OPf_STACKED, scalar(left), right);
else
- op = prepend_elem(right->op_type, scalar(left), right);
+ o = prepend_elem(right->op_type, scalar(left), right);
if (type == OP_NOT)
- return newUNOP(OP_NOT, 0, scalar(op));
- return op;
+ return newUNOP(OP_NOT, 0, scalar(o));
+ return o;
}
else
return bind_match(type, left,
}
OP *
-invert(op)
-OP *op;
+invert(OP *o)
{
- if (!op)
- return op;
+ if (!o)
+ return o;
/* XXX need to optimize away NOT NOT here? Or do we let optimizer do it? */
- return newUNOP(OP_NOT, OPf_SPECIAL, scalar(op));
+ return newUNOP(OP_NOT, OPf_SPECIAL, scalar(o));
}
OP *
-scope(o)
-OP *o;
+scope(OP *o)
{
if (o) {
- if (o->op_flags & OPf_PARENS || perldb || tainting) {
+ if (o->op_flags & OPf_PARENS || PERLDB_NOOPT || tainting) {
o = prepend_elem(OP_LINESEQ, newOP(OP_ENTER, 0), o);
o->op_type = OP_LEAVE;
o->op_ppaddr = ppaddr[OP_LEAVE];
return o;
}
+void
+save_hints(void)
+{
+ SAVEI32(hints);
+ SAVESPTR(GvHV(hintgv));
+ GvHV(hintgv) = newHVhv(GvHV(hintgv));
+ SAVEFREESV(GvHV(hintgv));
+}
+
int
-block_start(full)
-int full;
+block_start(int full)
{
+ dTHR;
int retval = savestack_ix;
+
SAVEI32(comppad_name_floor);
if (full) {
- if ((comppad_name_fill = AvFILL(comppad_name)) > 0)
+ if ((comppad_name_fill = AvFILLp(comppad_name)) > 0)
comppad_name_floor = comppad_name_fill;
else
comppad_name_floor = 0;
SAVEI32(padix_floor);
padix_floor = padix;
pad_reset_pending = FALSE;
- SAVEI32(hints);
+ SAVEHINTS();
hints &= ~HINT_BLOCK_SCOPE;
return retval;
}
OP*
-block_end(floor, seq)
-I32 floor;
-OP* seq;
+block_end(I32 floor, OP *seq)
{
+ dTHR;
int needblockscope = hints & HINT_BLOCK_SCOPE;
OP* retval = scalarseq(seq);
LEAVE_SCOPE(floor);
return retval;
}
+STATIC OP *
+newDEFSVOP(void)
+{
+#ifdef USE_THREADS
+ OP *o = newOP(OP_THREADSV, 0);
+ o->op_targ = find_threadsv("_");
+ return o;
+#else
+ return newSVREF(newGVOP(OP_GV, 0, defgv));
+#endif /* USE_THREADS */
+}
+
void
-newPROG(op)
-OP *op;
+newPROG(OP *o)
{
+ dTHR;
if (in_eval) {
- eval_root = newUNOP(OP_LEAVEEVAL, ((in_eval & 4) ? OPf_SPECIAL : 0), op);
+ eval_root = newUNOP(OP_LEAVEEVAL, ((in_eval & 4) ? OPf_SPECIAL : 0), o);
eval_start = linklist(eval_root);
eval_root->op_next = 0;
peep(eval_start);
}
else {
- if (!op)
+ if (!o)
return;
- main_root = scope(sawparens(scalarvoid(op)));
+ main_root = scope(sawparens(scalarvoid(o)));
curcop = &compiling;
main_start = LINKLIST(main_root);
main_root->op_next = 0;
compcv = 0;
/* Register with debugger */
- if (perldb) {
+ if (PERLDB_INTER) {
CV *cv = perl_get_cv("DB::postponed", FALSE);
if (cv) {
dSP;
- PUSHMARK(sp);
+ PUSHMARK(SP);
XPUSHs((SV*)compiling.cop_filegv);
PUTBACK;
perl_call_sv((SV*)cv, G_DISCARD);
}
OP *
-localize(o, lex)
-OP *o;
-I32 lex;
+localize(OP *o, I32 lex)
{
if (o->op_flags & OPf_PARENS)
list(o);
else {
- scalar(o);
if (dowarn && bufptr > oldbufptr && bufptr[-1] == ',') {
char *s;
for (s = bufptr; *s && (isALNUM(*s) || strchr("@$%, ",*s)); s++) ;
}
}
in_my = FALSE;
+ in_my_stash = Nullhv;
if (lex)
return my(o);
else
}
OP *
-jmaybe(o)
-OP *o;
+jmaybe(OP *o)
{
if (o->op_type == OP_LIST) {
- o = convert(OP_JOIN, 0,
- prepend_elem(OP_LIST,
- newSVREF(newGVOP(OP_GV, 0, gv_fetchpv(";", TRUE, SVt_PV))),
- o));
+ OP *o2;
+#ifdef USE_THREADS
+ o2 = newOP(OP_THREADSV, 0);
+ o2->op_targ = find_threadsv(";");
+#else
+ o2 = newSVREF(newGVOP(OP_GV, 0, gv_fetchpv(";", TRUE, SVt_PV))),
+#endif /* USE_THREADS */
+ o = convert(OP_JOIN, 0, prepend_elem(OP_LIST, o2, o));
}
return o;
}
OP *
-fold_constants(o)
-register OP *o;
+fold_constants(register OP *o)
{
+ dTHR;
register OP *curop;
I32 type = o->op_type;
SV *sv;
if (!(opargs[type] & OA_FOLDCONST))
goto nope;
+ switch (type) {
+ case OP_SPRINTF:
+ case OP_UCFIRST:
+ case OP_LCFIRST:
+ case OP_UC:
+ case OP_LC:
+ case OP_SLT:
+ case OP_SGT:
+ case OP_SLE:
+ case OP_SGE:
+ case OP_SCMP:
+
+ if (o->op_private & OPpLOCALE)
+ goto nope;
+ }
+
if (error_count)
goto nope; /* Don't try to run w/ errors */
curop = LINKLIST(o);
o->op_next = 0;
op = curop;
- runops();
+ CALLRUNOPS();
sv = *(stack_sp--);
if (o->op_targ && sv == PAD_SV(o->op_targ)) /* grab pad temp? */
pad_swipe(o->op_targ);
if (type == OP_RV2GV)
return newGVOP(OP_GV, 0, (GV*)sv);
else {
- if ((SvFLAGS(sv) & (SVf_IOK|SVf_NOK|SVf_POK)) == SVf_NOK) {
+ /* try to smush double to int, but don't smush -2.0 to -2 */
+ if ((SvFLAGS(sv) & (SVf_IOK|SVf_NOK|SVf_POK)) == SVf_NOK &&
+ type != OP_NEGATE)
+ {
IV iv = SvIV(sv);
- if ((double)iv == SvNV(sv)) { /* can we smush double to int */
+ if ((double)iv == SvNV(sv)) {
SvREFCNT_dec(sv);
sv = newSViv(iv);
}
}
return newSVOP(OP_CONST, 0, sv);
}
-
+
nope:
if (!(opargs[type] & OA_OTHERINT))
return o;
}
OP *
-gen_constant_list(o)
-register OP *o;
+gen_constant_list(register OP *o)
{
+ dTHR;
register OP *curop;
I32 oldtmps_floor = tmps_floor;
op = curop = LINKLIST(o);
o->op_next = 0;
- pp_pushmark();
- runops();
+ pp_pushmark(ARGS);
+ CALLRUNOPS();
op = curop;
- pp_anonlist();
+ pp_anonlist(ARGS);
tmps_floor = oldtmps_floor;
o->op_type = OP_RV2AV;
}
OP *
-convert(type, flags, op)
-I32 type;
-I32 flags;
-OP* op;
+convert(I32 type, I32 flags, OP *o)
{
OP *kid;
OP *last = 0;
- if (!op || op->op_type != OP_LIST)
- op = newLISTOP(OP_LIST, 0, op, Nullop);
+ if (!o || o->op_type != OP_LIST)
+ o = newLISTOP(OP_LIST, 0, o, Nullop);
else
- op->op_flags &= ~OPf_WANT;
+ o->op_flags &= ~OPf_WANT;
if (!(opargs[type] & OA_MARK))
- null(cLISTOP->op_first);
+ null(cLISTOPo->op_first);
- op->op_type = type;
- op->op_ppaddr = ppaddr[type];
- op->op_flags |= flags;
+ o->op_type = type;
+ o->op_ppaddr = ppaddr[type];
+ o->op_flags |= flags;
- op = CHECKOP(type, op);
- if (op->op_type != type)
- return op;
+ o = CHECKOP(type, o);
+ if (o->op_type != type)
+ return o;
- if (cLISTOP->op_children < 7) {
+ if (cLISTOPo->op_children < 7) {
/* XXX do we really need to do this if we're done appending?? */
- for (kid = cLISTOP->op_first; kid; kid = kid->op_sibling)
+ for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
last = kid;
- cLISTOP->op_last = last; /* in case check substituted last arg */
+ cLISTOPo->op_last = last; /* in case check substituted last arg */
}
- return fold_constants(op);
+ return fold_constants(o);
}
/* List constructors */
OP *
-append_elem(type, first, last)
-I32 type;
-OP* first;
-OP* last;
+append_elem(I32 type, OP *first, OP *last)
{
if (!first)
return last;
}
OP *
-append_list(type, first, last)
-I32 type;
-LISTOP* first;
-LISTOP* last;
+append_list(I32 type, LISTOP *first, LISTOP *last)
{
if (!first)
return (OP*)last;
}
OP *
-prepend_elem(type, first, last)
-I32 type;
-OP* first;
-OP* last;
+prepend_elem(I32 type, OP *first, OP *last)
{
if (!first)
return last;
/* Constructors */
OP *
-newNULLLIST()
+newNULLLIST(void)
{
return newOP(OP_STUB, 0);
}
OP *
-force_list(op)
-OP* op;
+force_list(OP *o)
{
- if (!op || op->op_type != OP_LIST)
- op = newLISTOP(OP_LIST, 0, op, Nullop);
- null(op);
- return op;
+ if (!o || o->op_type != OP_LIST)
+ o = newLISTOP(OP_LIST, 0, o, Nullop);
+ null(o);
+ return o;
}
OP *
-newLISTOP(type, flags, first, last)
-I32 type;
-I32 flags;
-OP* first;
-OP* last;
+newLISTOP(I32 type, I32 flags, OP *first, OP *last)
{
LISTOP *listop;
}
OP *
-newOP(type, flags)
-I32 type;
-I32 flags;
-{
- OP *op;
- Newz(1101, op, 1, OP);
- op->op_type = type;
- op->op_ppaddr = ppaddr[type];
- op->op_flags = flags;
-
- op->op_next = op;
- op->op_private = 0 + (flags >> 8);
+newOP(I32 type, I32 flags)
+{
+ OP *o;
+ Newz(1101, o, 1, OP);
+ o->op_type = type;
+ o->op_ppaddr = ppaddr[type];
+ o->op_flags = flags;
+
+ o->op_next = o;
+ o->op_private = 0 + (flags >> 8);
if (opargs[type] & OA_RETSCALAR)
- scalar(op);
+ scalar(o);
if (opargs[type] & OA_TARGET)
- op->op_targ = pad_alloc(type, SVs_PADTMP);
- return CHECKOP(type, op);
+ o->op_targ = pad_alloc(type, SVs_PADTMP);
+ return CHECKOP(type, o);
}
OP *
-newUNOP(type, flags, first)
-I32 type;
-I32 flags;
-OP* first;
+newUNOP(I32 type, I32 flags, OP *first)
{
UNOP *unop;
if (!first)
- first = newOP(OP_STUB, 0);
+ first = newOP(OP_STUB, 0);
if (opargs[type] & OA_MARK)
first = force_list(first);
unop->op_first = first;
unop->op_flags = flags | OPf_KIDS;
unop->op_private = 1 | (flags >> 8);
-
+#if 1
+ if(type == OP_STUDY && first->op_type == OP_MATCH) {
+ first->op_type = OP_PUSHRE;
+ first->op_ppaddr = ppaddr[OP_PUSHRE];
+ }
+#endif
unop = (UNOP*) CHECKOP(type, unop);
if (unop->op_next)
return (OP*)unop;
}
OP *
-newBINOP(type, flags, first, last)
-I32 type;
-I32 flags;
-OP* first;
-OP* last;
+newBINOP(I32 type, I32 flags, OP *first, OP *last)
{
BINOP *binop;
Newz(1101, binop, 1, BINOP);
}
OP *
-pmtrans(op, expr, repl)
-OP *op;
-OP *expr;
-OP *repl;
+pmtrans(OP *o, OP *expr, OP *repl)
{
SV *tstr = ((SVOP*)expr)->op_sv;
SV *rstr = ((SVOP*)repl)->op_sv;
register U8 *r = (U8*)SvPV(rstr, rlen);
register I32 i;
register I32 j;
- I32 delete;
+ I32 Delete;
I32 complement;
+ I32 squash;
register short *tbl;
- tbl = (short*)cPVOP->op_pv;
- complement = op->op_private & OPpTRANS_COMPLEMENT;
- delete = op->op_private & OPpTRANS_DELETE;
- /* squash = op->op_private & OPpTRANS_SQUASH; */
+ tbl = (short*)cPVOPo->op_pv;
+ complement = o->op_private & OPpTRANS_COMPLEMENT;
+ Delete = o->op_private & OPpTRANS_DELETE;
+ squash = o->op_private & OPpTRANS_SQUASH;
if (complement) {
Zero(tbl, 256, short);
for (i = 0, j = 0; i < 256; i++) {
if (!tbl[i]) {
if (j >= rlen) {
- if (delete)
+ if (Delete)
tbl[i] = -2;
else if (rlen)
tbl[i] = r[j-1];
}
}
else {
- if (!rlen && !delete) {
+ if (!rlen && !Delete) {
r = t; rlen = tlen;
+ if (!squash)
+ o->op_private |= OPpTRANS_COUNTONLY;
}
for (i = 0; i < 256; i++)
tbl[i] = -1;
for (i = 0, j = 0; i < tlen; i++,j++) {
if (j >= rlen) {
- if (delete) {
+ if (Delete) {
if (tbl[t[i]] == -1)
tbl[t[i]] = -2;
continue;
op_free(expr);
op_free(repl);
- return op;
+ return o;
}
OP *
-newPMOP(type, flags)
-I32 type;
-I32 flags;
+newPMOP(I32 type, I32 flags)
{
+ dTHR;
PMOP *pmop;
Newz(1101, pmop, 1, PMOP);
}
OP *
-pmruntime(op, expr, repl)
-OP *op;
-OP *expr;
-OP *repl;
+pmruntime(OP *o, OP *expr, OP *repl)
{
PMOP *pm;
LOGOP *rcop;
+ I32 repl_has_vars = 0;
- if (op->op_type == OP_TRANS)
- return pmtrans(op, expr, repl);
+ if (o->op_type == OP_TRANS)
+ return pmtrans(o, expr, repl);
- pm = (PMOP*)op;
+ hints |= HINT_BLOCK_SCOPE;
+ pm = (PMOP*)o;
if (expr->op_type == OP_CONST) {
STRLEN plen;
SV *pat = ((SVOP*)expr)->op_sv;
char *p = SvPV(pat, plen);
- if ((op->op_flags & OPf_SPECIAL) && strEQ(p, " ")) {
+ if ((o->op_flags & OPf_SPECIAL) && strEQ(p, " ")) {
sv_setpvn(pat, "\\s+", 3);
p = SvPV(pat, plen);
pm->op_pmflags |= PMf_SKIPWHITE;
}
pm->op_pmregexp = pregcomp(p, p + plen, pm);
- if (strEQ("\\s+", pm->op_pmregexp->precomp))
+ if (strEQ("\\s+", pm->op_pmregexp->precomp))
pm->op_pmflags |= PMf_WHITE;
- hoistmust(pm);
op_free(expr);
}
else {
rcop->op_first = scalar(expr);
rcop->op_flags |= OPf_KIDS;
rcop->op_private = 1;
- rcop->op_other = op;
+ rcop->op_other = o;
/* establish postfix order */
if (pm->op_pmflags & PMf_KEEP) {
expr->op_next = (OP*)rcop;
}
- prepend_elem(op->op_type, scalar((OP*)rcop), op);
+ prepend_elem(o->op_type, scalar((OP*)rcop), o);
}
if (repl) {
OP *curop;
if (pm->op_pmflags & PMf_EVAL)
curop = 0;
+#ifdef USE_THREADS
+ else if (repl->op_type == OP_THREADSV
+ && strchr("&`'123456789+",
+ threadsv_names[repl->op_targ]))
+ {
+ curop = 0;
+ }
+#endif /* USE_THREADS */
else if (repl->op_type == OP_CONST)
curop = repl;
else {
OP *lastop = 0;
for (curop = LINKLIST(repl); curop!=repl; curop = LINKLIST(curop)) {
if (opargs[curop->op_type] & OA_DANGEROUS) {
+#ifdef USE_THREADS
+ if (curop->op_type == OP_THREADSV) {
+ repl_has_vars = 1;
+ if (strchr("&`'123456789+", curop->op_private))
+ break;
+ }
+#else
if (curop->op_type == OP_GV) {
GV *gv = ((GVOP*)curop)->op_gv;
+ repl_has_vars = 1;
if (strchr("&`'123456789+", *GvENAME(gv)))
break;
}
+#endif /* USE_THREADS */
else if (curop->op_type == OP_RV2CV)
break;
else if (curop->op_type == OP_RV2SV ||
curop->op_type == OP_PADAV ||
curop->op_type == OP_PADHV ||
curop->op_type == OP_PADANY) {
- /* is okay */
+ repl_has_vars = 1;
}
else
break;
lastop = curop;
}
}
- if (curop == repl) {
+ if (curop == repl
+ && !(repl_has_vars
+ && (!pm->op_pmregexp
+ || pm->op_pmregexp->reganch & ROPT_EVAL_SEEN))) {
pm->op_pmflags |= PMf_CONST; /* const for long enough */
pm->op_pmpermflags |= PMf_CONST; /* const for long enough */
- prepend_elem(op->op_type, scalar(repl), op);
+ prepend_elem(o->op_type, scalar(repl), o);
}
else {
+ if (curop == repl && !pm->op_pmregexp) { /* Has variables. */
+ pm->op_pmflags |= PMf_MAYBE_CONST;
+ pm->op_pmpermflags |= PMf_MAYBE_CONST;
+ }
Newz(1101, rcop, 1, LOGOP);
rcop->op_type = OP_SUBSTCONT;
rcop->op_ppaddr = ppaddr[OP_SUBSTCONT];
rcop->op_first = scalar(repl);
rcop->op_flags |= OPf_KIDS;
rcop->op_private = 1;
- rcop->op_other = op;
+ rcop->op_other = o;
/* establish postfix order */
rcop->op_next = LINKLIST(repl);
}
OP *
-newSVOP(type, flags, sv)
-I32 type;
-I32 flags;
-SV *sv;
+newSVOP(I32 type, I32 flags, SV *sv)
{
SVOP *svop;
Newz(1101, svop, 1, SVOP);
}
OP *
-newGVOP(type, flags, gv)
-I32 type;
-I32 flags;
-GV *gv;
+newGVOP(I32 type, I32 flags, GV *gv)
{
+ dTHR;
GVOP *gvop;
Newz(1101, gvop, 1, GVOP);
gvop->op_type = type;
}
OP *
-newPVOP(type, flags, pv)
-I32 type;
-I32 flags;
-char *pv;
+newPVOP(I32 type, I32 flags, char *pv)
{
PVOP *pvop;
Newz(1101, pvop, 1, PVOP);
}
void
-package(op)
-OP *op;
+package(OP *o)
{
+ dTHR;
SV *sv;
save_hptr(&curstash);
save_item(curstname);
- if (op) {
+ if (o) {
STRLEN len;
char *name;
- sv = cSVOP->op_sv;
+ sv = cSVOPo->op_sv;
name = SvPV(sv, len);
curstash = gv_stashpvn(name,len,TRUE);
sv_setpvn(curstname, name, len);
- op_free(op);
+ op_free(o);
}
else {
sv_setpv(curstname,"<none>");
}
void
-utilize(aver, floor, version, id, arg)
-int aver;
-I32 floor;
-OP *version;
-OP *id;
-OP *arg;
+utilize(int aver, I32 floor, OP *version, OP *id, OP *arg)
{
OP *pack;
OP *meth;
newUNOP(OP_METHOD, 0, meth)));
}
}
-
+
/* Fake up an import/unimport */
if (arg && arg->op_type == OP_STUB)
imop = arg; /* no import on explicit () */
}
OP *
-newSLICEOP(flags, subscript, listval)
-I32 flags;
-OP *subscript;
-OP *listval;
+newSLICEOP(I32 flags, OP *subscript, OP *listval)
{
return newBINOP(OP_LSLICE, flags,
list(force_list(subscript)),
list(force_list(listval)) );
}
-static I32
-list_assignment(op)
-register OP *op;
+STATIC I32
+list_assignment(register OP *o)
{
- if (!op)
+ if (!o)
return TRUE;
- if (op->op_type == OP_NULL && op->op_flags & OPf_KIDS)
- op = cUNOP->op_first;
+ if (o->op_type == OP_NULL && o->op_flags & OPf_KIDS)
+ o = cUNOPo->op_first;
- if (op->op_type == OP_COND_EXPR) {
- I32 t = list_assignment(cCONDOP->op_first->op_sibling);
- I32 f = list_assignment(cCONDOP->op_first->op_sibling->op_sibling);
+ if (o->op_type == OP_COND_EXPR) {
+ I32 t = list_assignment(cCONDOPo->op_first->op_sibling);
+ I32 f = list_assignment(cCONDOPo->op_first->op_sibling->op_sibling);
if (t && f)
return TRUE;
return FALSE;
}
- if (op->op_type == OP_LIST || op->op_flags & OPf_PARENS ||
- op->op_type == OP_RV2AV || op->op_type == OP_RV2HV ||
- op->op_type == OP_ASLICE || op->op_type == OP_HSLICE)
+ if (o->op_type == OP_LIST || o->op_flags & OPf_PARENS ||
+ o->op_type == OP_RV2AV || o->op_type == OP_RV2HV ||
+ o->op_type == OP_ASLICE || o->op_type == OP_HSLICE)
return TRUE;
- if (op->op_type == OP_PADAV || op->op_type == OP_PADHV)
+ if (o->op_type == OP_PADAV || o->op_type == OP_PADHV)
return TRUE;
- if (op->op_type == OP_RV2SV)
+ if (o->op_type == OP_RV2SV)
return FALSE;
return FALSE;
}
OP *
-newASSIGNOP(flags, left, optype, right)
-I32 flags;
-OP *left;
-I32 optype;
-OP *right;
+newASSIGNOP(I32 flags, OP *left, I32 optype, OP *right)
{
- OP *op;
+ OP *o;
if (optype) {
if (optype == OP_ANDASSIGN || optype == OP_ORASSIGN) {
}
if (list_assignment(left)) {
+ dTHR;
modcount = 0;
eval_start = right; /* Grandfathering $[ assignment here. Bletch.*/
left = mod(left, OP_AASSIGN);
op_free(right);
return Nullop;
}
- op = newBINOP(OP_AASSIGN, flags,
+ o = newBINOP(OP_AASSIGN, flags,
list(force_list(right)),
list(force_list(left)) );
- op->op_private = 0 | (flags >> 8);
+ o->op_private = 0 | (flags >> 8);
if (!(left->op_private & OPpLVAL_INTRO)) {
- static int generation = 100;
OP *curop;
- OP *lastop = op;
+ OP *lastop = o;
generation++;
- for (curop = LINKLIST(op); curop != op; curop = LINKLIST(curop)) {
+ for (curop = LINKLIST(o); curop != o; curop = LINKLIST(curop)) {
if (opargs[curop->op_type] & OA_DANGEROUS) {
if (curop->op_type == OP_GV) {
GV *gv = ((GVOP*)curop)->op_gv;
}
lastop = curop;
}
- if (curop != op)
- op->op_private = OPpASSIGN_COMMON;
+ if (curop != o)
+ o->op_private = OPpASSIGN_COMMON;
}
if (right && right->op_type == OP_SPLIT) {
OP* tmpop;
PMOP *pm = (PMOP*)tmpop;
if (left->op_type == OP_RV2AV &&
!(left->op_private & OPpLVAL_INTRO) &&
- !(op->op_private & OPpASSIGN_COMMON) )
+ !(o->op_private & OPpASSIGN_COMMON) )
{
tmpop = ((UNOP*)left)->op_first;
if (tmpop->op_type == OP_GV && !pm->op_pmreplroot) {
pm->op_pmreplroot = (OP*)((GVOP*)tmpop)->op_gv;
pm->op_pmflags |= PMf_ONCE;
- tmpop = ((UNOP*)op)->op_first; /* to list (nulled) */
+ tmpop = cUNOPo->op_first; /* to list (nulled) */
tmpop = ((UNOP*)tmpop)->op_first; /* to pushmark */
tmpop->op_sibling = Nullop; /* don't free split */
right->op_next = tmpop->op_next; /* fix starting loc */
- op_free(op); /* blow off assign */
+ op_free(o); /* blow off assign */
right->op_flags &= ~OPf_WANT;
/* "I don't know and I don't care." */
return right;
}
}
}
- return op;
+ return o;
}
if (!right)
right = newOP(OP_UNDEF, 0);
}
else {
eval_start = right; /* Grandfathering $[ assignment here. Bletch.*/
- op = newBINOP(OP_SASSIGN, flags,
+ o = newBINOP(OP_SASSIGN, flags,
scalar(right), mod(scalar(left), OP_SASSIGN) );
if (eval_start)
eval_start = 0;
else {
- op_free(op);
+ op_free(o);
return Nullop;
}
}
- return op;
+ return o;
}
OP *
-newSTATEOP(flags, label, op)
-I32 flags;
-char *label;
-OP *op;
+newSTATEOP(I32 flags, char *label, OP *o)
{
+ dTHR;
U32 seq = intro_my();
register COP *cop;
Newz(1101, cop, 1, COP);
- if (perldb && curcop->cop_line && curstash != debstash) {
+ if (PERLDB_LINE && curcop->cop_line && curstash != debstash) {
cop->op_type = OP_DBSTATE;
cop->op_ppaddr = ppaddr[ OP_DBSTATE ];
}
cop->cop_filegv = (GV*)SvREFCNT_inc(curcop->cop_filegv);
cop->cop_stash = curstash;
- if (perldb && curstash != debstash) {
+ if (PERLDB_LINE && curstash != debstash) {
SV **svp = av_fetch(GvAV(curcop->cop_filegv),(I32)cop->cop_line, FALSE);
if (svp && *svp != &sv_undef && !SvIOK(*svp)) {
(void)SvIOK_on(*svp);
}
}
- return prepend_elem(OP_LINESEQ, (OP*)cop, op);
+ return prepend_elem(OP_LINESEQ, (OP*)cop, o);
}
/* "Introduce" my variables to visible status. */
U32
-intro_my()
+intro_my(void)
{
SV **svp;
SV *sv;
}
OP *
-newLOGOP(type, flags, first, other)
-I32 type;
-I32 flags;
-OP* first;
-OP* other;
+newLOGOP(I32 type, I32 flags, OP *first, OP *other)
{
+ return new_logop(type, flags, &first, &other);
+}
+
+STATIC OP *
+new_logop(I32 type, I32 flags, OP** firstp, OP** otherp)
+{
+ dTHR;
LOGOP *logop;
- OP *op;
+ OP *o;
+ OP *first = *firstp;
+ OP *other = *otherp;
if (type == OP_XOR) /* Not short circuit, but here by precedence. */
return newBINOP(type, flags, scalar(first), scalar(other));
type = OP_OR;
else
type = OP_AND;
- op = first;
- first = cUNOP->op_first;
- if (op->op_next)
- first->op_next = op->op_next;
- cUNOP->op_first = Nullop;
- op_free(op);
+ o = first;
+ first = *firstp = cUNOPo->op_first;
+ if (o->op_next)
+ first->op_next = o->op_next;
+ cUNOPo->op_first = Nullop;
+ op_free(o);
}
}
if (first->op_type == OP_CONST) {
warn("Probable precedence problem on %s", op_desc[type]);
if ((type == OP_AND) == (SvTRUE(((SVOP*)first)->op_sv))) {
op_free(first);
+ *firstp = Nullop;
return other;
}
else {
op_free(other);
+ *otherp = Nullop;
return first;
}
}
case OP_NULL:
if (k2 && k2->op_type == OP_READLINE
&& (k2->op_flags & OPf_STACKED)
- && (k1->op_type == OP_RV2SV || k1->op_type == OP_PADSV))
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
warnop = k2->op_type;
break;
first->op_next = (OP*)logop;
first->op_sibling = other;
- op = newUNOP(OP_NULL, 0, (OP*)logop);
- other->op_next = op;
+ o = newUNOP(OP_NULL, 0, (OP*)logop);
+ other->op_next = o;
- return op;
+ return o;
}
OP *
-newCONDOP(flags, first, trueop, falseop)
-I32 flags;
-OP* first;
-OP* trueop;
-OP* falseop;
+newCONDOP(I32 flags, OP *first, OP *trueop, OP *falseop)
{
+ dTHR;
CONDOP *condop;
- OP *op;
+ OP *o;
if (!falseop)
return newLOGOP(OP_AND, 0, first, trueop);
first->op_sibling = trueop;
trueop->op_sibling = falseop;
- op = newUNOP(OP_NULL, 0, (OP*)condop);
+ o = newUNOP(OP_NULL, 0, (OP*)condop);
- trueop->op_next = op;
- falseop->op_next = op;
+ trueop->op_next = o;
+ falseop->op_next = o;
- return op;
+ return o;
}
OP *
-newRANGE(flags, left, right)
-I32 flags;
-OP *left;
-OP *right;
+newRANGE(I32 flags, OP *left, OP *right)
{
+ dTHR;
CONDOP *condop;
OP *flip;
OP *flop;
- OP *op;
+ OP *o;
Newz(1101, condop, 1, CONDOP);
condop->op_next = (OP*)condop;
flip = newUNOP(OP_FLIP, flags, (OP*)condop);
flop = newUNOP(OP_FLOP, 0, flip);
- op = newUNOP(OP_NULL, 0, flop);
+ o = newUNOP(OP_NULL, 0, flop);
linklist(flop);
left->op_next = flip;
flip->op_private = left->op_type == OP_CONST ? OPpFLIP_LINENUM : 0;
flop->op_private = right->op_type == OP_CONST ? OPpFLIP_LINENUM : 0;
- flip->op_next = op;
+ flip->op_next = o;
if (!flip->op_private || !flop->op_private)
- linklist(op); /* blow off optimizer unless constant */
+ linklist(o); /* blow off optimizer unless constant */
- return op;
+ return o;
}
OP *
-newLOOPOP(flags, debuggable, expr, block)
-I32 flags;
-I32 debuggable;
-OP *expr;
-OP *block;
+newLOOPOP(I32 flags, I32 debuggable, OP *expr, OP *block)
{
+ dTHR;
OP* listop;
- OP* op;
+ OP* o;
int once = block && block->op_flags & OPf_SPECIAL &&
(block->op_type == OP_ENTERSUB || block->op_type == OP_NULL);
if (expr) {
if (once && expr->op_type == OP_CONST && !SvTRUE(((SVOP*)expr)->op_sv))
return block; /* do {} while 0 does once */
- if (expr->op_type == OP_READLINE || expr->op_type == OP_GLOB) {
+ if (expr->op_type == OP_READLINE || expr->op_type == OP_GLOB
+ || (expr->op_type == OP_NULL && expr->op_targ == OP_GLOB)) {
expr = newUNOP(OP_DEFINED, 0,
- newASSIGNOP(0, newSVREF(newGVOP(OP_GV, 0, defgv)), 0, expr) );
+ newASSIGNOP(0, newDEFSVOP(), 0, expr) );
+ } else if (expr->op_flags & OPf_KIDS) {
+ OP *k1 = ((UNOP*)expr)->op_first;
+ OP *k2 = (k1) ? k1->op_sibling : NULL;
+ switch (expr->op_type) {
+ case OP_NULL:
+ if (k2 && k2->op_type == OP_READLINE
+ && (k2->op_flags & OPf_STACKED)
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ expr = newUNOP(OP_DEFINED, 0, expr);
+ break;
+
+ case OP_SASSIGN:
+ if (k1->op_type == OP_READDIR
+ || k1->op_type == OP_GLOB
+ || k1->op_type == OP_EACH)
+ expr = newUNOP(OP_DEFINED, 0, expr);
+ break;
+ }
}
}
listop = append_elem(OP_LINESEQ, block, newOP(OP_UNSTACK, 0));
- op = newLOGOP(OP_AND, 0, expr, listop);
+ o = new_logop(OP_AND, 0, &expr, &listop);
- ((LISTOP*)listop)->op_last->op_next = LINKLIST(op);
+ if (listop)
+ ((LISTOP*)listop)->op_last->op_next = LINKLIST(o);
- if (once && op != listop)
- op->op_next = ((LOGOP*)cUNOP->op_first)->op_other;
+ if (once && o != listop)
+ o->op_next = ((LOGOP*)cUNOPo->op_first)->op_other;
- if (op == listop)
- op = newUNOP(OP_NULL, 0, op); /* or do {} while 1 loses outer block */
+ if (o == listop)
+ o = newUNOP(OP_NULL, 0, o); /* or do {} while 1 loses outer block */
- op->op_flags |= flags;
- op = scope(op);
- op->op_flags |= OPf_SPECIAL; /* suppress POPBLOCK curpm restoration*/
- return op;
+ o->op_flags |= flags;
+ o = scope(o);
+ o->op_flags |= OPf_SPECIAL; /* suppress POPBLOCK curpm restoration*/
+ return o;
}
OP *
-newWHILEOP(flags, debuggable, loop, expr, block, cont)
-I32 flags;
-I32 debuggable;
-LOOP *loop;
-OP *expr;
-OP *block;
-OP *cont;
+newWHILEOP(I32 flags, I32 debuggable, LOOP *loop, I32 whileline, OP *expr, OP *block, OP *cont)
{
+ dTHR;
OP *redo;
OP *next = 0;
OP *listop;
- OP *op;
+ OP *o;
OP *condop;
- if (expr && (expr->op_type == OP_READLINE || expr->op_type == OP_GLOB)) {
+ if (expr && (expr->op_type == OP_READLINE || expr->op_type == OP_GLOB
+ || (expr->op_type == OP_NULL && expr->op_targ == OP_GLOB))) {
expr = newUNOP(OP_DEFINED, 0,
- newASSIGNOP(0, newSVREF(newGVOP(OP_GV, 0, defgv)), 0, expr) );
+ newASSIGNOP(0, newDEFSVOP(), 0, expr) );
+ } else if (expr && (expr->op_flags & OPf_KIDS)) {
+ OP *k1 = ((UNOP*)expr)->op_first;
+ OP *k2 = (k1) ? k1->op_sibling : NULL;
+ switch (expr->op_type) {
+ case OP_NULL:
+ if (k2 && k2->op_type == OP_READLINE
+ && (k2->op_flags & OPf_STACKED)
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ expr = newUNOP(OP_DEFINED, 0, expr);
+ break;
+
+ case OP_SASSIGN:
+ if (k1->op_type == OP_READDIR
+ || k1->op_type == OP_GLOB
+ || k1->op_type == OP_EACH)
+ expr = newUNOP(OP_DEFINED, 0, expr);
+ break;
+ }
}
if (!block)
if (cont)
next = LINKLIST(cont);
- if (expr)
+ if (expr) {
cont = append_elem(OP_LINESEQ, cont, newOP(OP_UNSTACK, 0));
+ if ((line_t)whileline != NOLINE) {
+ copline = whileline;
+ cont = append_elem(OP_LINESEQ, cont,
+ newSTATEOP(0, Nullch, Nullop));
+ }
+ }
listop = append_list(OP_LINESEQ, (LISTOP*)block, (LISTOP*)cont);
redo = LINKLIST(listop);
if (expr) {
- op = newLOGOP(OP_AND, 0, expr, scalar(listop));
- if (op == expr && op->op_type == OP_CONST && !SvTRUE(cSVOP->op_sv)) {
+ copline = whileline;
+ scalar(listop);
+ o = new_logop(OP_AND, 0, &expr, &listop);
+ if (o == expr && o->op_type == OP_CONST && !SvTRUE(cSVOPo->op_sv)) {
op_free(expr); /* oops, it's a while (0) */
op_free((OP*)loop);
- return Nullop; /* (listop already freed by newLOGOP) */
+ return Nullop; /* listop already freed by new_logop */
}
- ((LISTOP*)listop)->op_last->op_next = condop =
- (op == listop ? redo : LINKLIST(op));
+ if (listop)
+ ((LISTOP*)listop)->op_last->op_next = condop =
+ (o == listop ? redo : LINKLIST(o));
if (!next)
next = condop;
}
else
- op = listop;
+ o = listop;
if (!loop) {
Newz(1101,loop,1,LOOP);
loop->op_next = (OP*)loop;
}
- op = newBINOP(OP_LEAVELOOP, 0, (OP*)loop, op);
+ o = newBINOP(OP_LEAVELOOP, 0, (OP*)loop, o);
loop->op_redoop = redo;
- loop->op_lastop = op;
+ loop->op_lastop = o;
if (next)
loop->op_nextop = next;
else
- loop->op_nextop = op;
+ loop->op_nextop = o;
- op->op_flags |= flags;
- op->op_private |= (flags >> 8);
- return op;
+ o->op_flags |= flags;
+ o->op_private |= (flags >> 8);
+ return o;
}
OP *
-#ifndef CAN_PROTOTYPE
-newFOROP(flags,label,forline,sv,expr,block,cont)
-I32 flags;
-char *label;
-line_t forline;
-OP* sv;
-OP* expr;
-OP*block;
-OP*cont;
-#else
newFOROP(I32 flags,char *label,line_t forline,OP *sv,OP *expr,OP *block,OP *cont)
-#endif /* CAN_PROTOTYPE */
{
LOOP *loop;
+ OP *wop;
int padoff = 0;
I32 iterflags = 0;
- copline = forline;
if (sv) {
if (sv->op_type == OP_RV2SV) { /* symbol table variable */
sv->op_type = OP_RV2GV;
op_free(sv);
sv = Nullop;
}
+ else if (sv->op_type == OP_THREADSV) { /* per-thread variable */
+ padoff = sv->op_targ;
+ iterflags |= OPf_SPECIAL;
+ op_free(sv);
+ sv = Nullop;
+ }
else
croak("Can't use %s for loop variable", op_desc[sv->op_type]);
}
else {
+#ifdef USE_THREADS
+ padoff = find_threadsv("_");
+ iterflags |= OPf_SPECIAL;
+#else
sv = newGVOP(OP_GV, 0, defgv);
+#endif
}
if (expr->op_type == OP_RV2AV || expr->op_type == OP_PADAV) {
- expr = scalar(ref(expr, OP_ITER));
+ expr = mod(force_list(scalar(ref(expr, OP_ITER))), OP_GREPSTART);
iterflags |= OPf_STACKED;
}
+ else if (expr->op_type == OP_NULL &&
+ (expr->op_flags & OPf_KIDS) &&
+ ((BINOP*)expr)->op_first->op_type == OP_FLOP)
+ {
+ /* Basically turn for($x..$y) into the same as for($x,$y), but we
+ * set the STACKED flag to indicate that these values are to be
+ * treated as min/max values by 'pp_iterinit'.
+ */
+ UNOP* flip = (UNOP*)((UNOP*)((BINOP*)expr)->op_first)->op_first;
+ CONDOP* range = (CONDOP*) flip->op_first;
+ OP* left = range->op_first;
+ OP* right = left->op_sibling;
+ LISTOP* listop;
+
+ range->op_flags &= ~OPf_KIDS;
+ range->op_first = Nullop;
+
+ listop = (LISTOP*)newLISTOP(OP_LIST, 0, left, right);
+ listop->op_first->op_next = range->op_true;
+ left->op_next = range->op_false;
+ right->op_next = (OP*)listop;
+ listop->op_next = listop->op_first;
+
+ op_free(expr);
+ expr = (OP*)(listop);
+ null(expr);
+ iterflags |= OPf_STACKED;
+ }
+ else {
+ expr = mod(force_list(expr), OP_GREPSTART);
+ }
+
+
loop = (LOOP*)list(convert(OP_ENTERITER, iterflags,
- append_elem(OP_LIST, mod(force_list(expr), OP_GREPSTART),
- scalar(sv))));
+ append_elem(OP_LIST, expr, scalar(sv))));
assert(!loop->op_next);
Renew(loop, 1, LOOP);
loop->op_targ = padoff;
- return newSTATEOP(0, label, newWHILEOP(flags, 1, loop,
- newOP(OP_ITER, 0), block, cont));
+ wop = newWHILEOP(flags, 1, loop, forline, newOP(OP_ITER, 0), block, cont);
+ copline = forline;
+ return newSTATEOP(0, label, wop);
}
OP*
-newLOOPEX(type, label)
-I32 type;
-OP* label;
+newLOOPEX(I32 type, OP *label)
{
- OP *op;
+ dTHR;
+ OP *o;
if (type != OP_GOTO || label->op_type == OP_CONST) {
- op = newPVOP(type, 0, savepv(
- label->op_type == OP_CONST
- ? SvPVx(((SVOP*)label)->op_sv, na)
- : "" ));
+ /* "last()" means "last" */
+ if (label->op_type == OP_STUB && (label->op_flags & OPf_PARENS))
+ o = newOP(type, OPf_SPECIAL);
+ else {
+ o = newPVOP(type, 0, savepv(label->op_type == OP_CONST
+ ? SvPVx(((SVOP*)label)->op_sv, na)
+ : ""));
+ }
op_free(label);
}
else {
if (label->op_type == OP_ENTERSUB)
label = newUNOP(OP_REFGEN, 0, mod(label, OP_REFGEN));
- op = newUNOP(type, OPf_STACKED, label);
+ o = newUNOP(type, OPf_STACKED, label);
}
hints |= HINT_BLOCK_SCOPE;
- return op;
+ return o;
}
void
-cv_undef(cv)
-CV *cv;
+cv_undef(CV *cv)
{
+ dTHR;
+#ifdef USE_THREADS
+ if (CvMUTEXP(cv)) {
+ MUTEX_DESTROY(CvMUTEXP(cv));
+ Safefree(CvMUTEXP(cv));
+ CvMUTEXP(cv) = 0;
+ }
+#endif /* USE_THREADS */
+
if (!CvXSUB(cv) && CvROOT(cv)) {
+#ifdef USE_THREADS
+ if (CvDEPTH(cv) || (CvOWNER(cv) && CvOWNER(cv) != thr))
+ croak("Can't undef active subroutine");
+#else
if (CvDEPTH(cv))
croak("Can't undef active subroutine");
+#endif /* USE_THREADS */
ENTER;
SAVESPTR(curpad);
CvROOT(cv) = Nullop;
LEAVE;
}
+ SvPOK_off((SV*)cv); /* forget prototype */
CvFLAGS(cv) = 0;
SvREFCNT_dec(CvGV(cv));
CvGV(cv) = Nullgv;
if (CvPADLIST(cv)) {
/* may be during global destruction */
if (SvREFCNT(CvPADLIST(cv))) {
- I32 i = AvFILL(CvPADLIST(cv));
+ I32 i = AvFILLp(CvPADLIST(cv));
while (i >= 0) {
SV** svp = av_fetch(CvPADLIST(cv), i--, FALSE);
- if (svp)
- SvREFCNT_dec(*svp);
+ SV* sv = svp ? *svp : Nullsv;
+ if (!sv)
+ continue;
+ if (sv == (SV*)comppad_name)
+ comppad_name = Nullav;
+ else if (sv == (SV*)comppad) {
+ comppad = Nullav;
+ curpad = Null(SV**);
+ }
+ SvREFCNT_dec(sv);
}
SvREFCNT_dec((SV*)CvPADLIST(cv));
}
}
#ifdef DEBUG_CLOSURES
-static void
+STATIC void
cv_dump(cv)
CV* cv;
{
SV** ppad;
I32 ix;
- PerlIO_printf(Perl_debug_log, "\tCV=0x%p (%s), OUTSIDE=0x%p (%s)\n",
+ PerlIO_printf(Perl_debug_log, "\tCV=0x%lx (%s), OUTSIDE=0x%lx (%s)\n",
cv,
(CvANON(cv) ? "ANON"
: (cv == main_cv) ? "MAIN"
pname = AvARRAY(pad_name);
ppad = AvARRAY(pad);
- for (ix = 1; ix <= AvFILL(pad_name); ix++) {
+ for (ix = 1; ix <= AvFILLp(pad_name); ix++) {
if (SvPOK(pname[ix]))
- PerlIO_printf(Perl_debug_log, "\t%4d. 0x%p (%s\"%s\" %ld-%ld)\n",
+ PerlIO_printf(Perl_debug_log, "\t%4d. 0x%lx (%s\"%s\" %ld-%ld)\n",
ix, ppad[ix],
SvFAKE(pname[ix]) ? "FAKE " : "",
SvPVX(pname[ix]),
}
#endif /* DEBUG_CLOSURES */
-static CV *
-cv_clone2(proto, outside)
-CV* proto;
-CV* outside;
+STATIC CV *
+cv_clone2(CV *proto, CV *outside)
{
+ dTHR;
AV* av;
I32 ix;
AV* protopadlist = CvPADLIST(proto);
AV* protopad = (AV*)*av_fetch(protopadlist, 1, FALSE);
SV** pname = AvARRAY(protopad_name);
SV** ppad = AvARRAY(protopad);
- I32 fname = AvFILL(protopad_name);
- I32 fpad = AvFILL(protopad);
+ I32 fname = AvFILLp(protopad_name);
+ I32 fpad = AvFILLp(protopad);
AV* comppadlist;
CV* cv;
ENTER;
SAVESPTR(curpad);
SAVESPTR(comppad);
+ SAVESPTR(comppad_name);
SAVESPTR(compcv);
cv = compcv = (CV*)NEWSV(1104,0);
if (CvANON(proto))
CvANON_on(cv);
+#ifdef USE_THREADS
+ New(666, CvMUTEXP(cv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(cv));
+ CvOWNER(cv) = 0;
+#endif /* USE_THREADS */
CvFILEGV(cv) = CvFILEGV(proto);
CvGV(cv) = (GV*)SvREFCNT_inc(CvGV(proto));
CvSTASH(cv) = CvSTASH(proto);
if (SvPOK(proto))
sv_setpvn((SV*)cv, SvPVX(proto), SvCUR(proto));
+ comppad_name = newAV();
+ for (ix = fname; ix >= 0; ix--)
+ av_store(comppad_name, ix, SvREFCNT_inc(pname[ix]));
+
comppad = newAV();
comppadlist = newAV();
AvREAL_off(comppadlist);
- av_store(comppadlist, 0, SvREFCNT_inc((SV*)protopad_name));
+ av_store(comppadlist, 0, (SV*)comppad_name);
av_store(comppadlist, 1, (SV*)comppad);
CvPADLIST(cv) = comppadlist;
- av_fill(comppad, AvFILL(protopad));
+ av_fill(comppad, AvFILLp(protopad));
curpad = AvARRAY(comppad);
av = newAV(); /* will be @_ */
}
CV *
-cv_clone(proto)
-CV* proto;
+cv_clone(CV *proto)
{
return cv_clone2(proto, CvOUTSIDE(proto));
}
void
-cv_ckproto(cv, gv, p)
-CV* cv;
-GV* gv;
-char* p;
+cv_ckproto(CV *cv, GV *gv, char *p)
{
if ((!p != !SvPOK(cv)) || (p && strNE(p, SvPVX(cv)))) {
- char* buf;
+ SV* msg = sv_newmortal();
SV* name = Nullsv;
if (gv)
- gv_efullname3(name = NEWSV(606, 40), gv, Nullch);
- New(607, buf, ((name ? SvCUR(name) : 0)
- + (SvPOK(cv) ? SvCUR(cv) : 0)
- + (p ? strlen(p) : 0)
- + 60), char);
- strcpy(buf, "Prototype mismatch:");
- if (name) {
- sprintf(buf + strlen(buf), " sub %s", SvPVX(name));
- SvREFCNT_dec(name);
- }
+ gv_efullname3(name = sv_newmortal(), gv, Nullch);
+ sv_setpv(msg, "Prototype mismatch:");
+ if (name)
+ sv_catpvf(msg, " sub %_", name);
if (SvPOK(cv))
- sprintf(buf + strlen(buf), " (%s)", SvPVX(cv));
- strcat(buf, " vs ");
- sprintf(buf + strlen(buf), p ? "(%s)" : "none", p);
- warn("%s", buf);
- Safefree(buf);
+ sv_catpvf(msg, " (%s)", SvPVX(cv));
+ sv_catpv(msg, " vs ");
+ if (p)
+ sv_catpvf(msg, "(%s)", p);
+ else
+ sv_catpv(msg, "none");
+ warn("%_", msg);
}
}
SV *
-cv_const_sv(cv)
-CV* cv;
+cv_const_sv(CV *cv)
{
- OP *o;
- SV *sv;
-
if (!cv || !SvPOK(cv) || SvCUR(cv))
return Nullsv;
+ return op_const_sv(CvSTART(cv), cv);
+}
+
+SV *
+op_const_sv(OP *o, CV *cv)
+{
+ SV *sv = Nullsv;
+
+ if(!o)
+ return Nullsv;
+
+ if(o->op_type == OP_LINESEQ && cLISTOPo->op_first)
+ o = cLISTOPo->op_first->op_sibling;
- sv = Nullsv;
- for (o = CvSTART(cv); o; o = o->op_next) {
+ for (; o; o = o->op_next) {
OPCODE type = o->op_type;
-
+
+ if(sv && o->op_next == o)
+ return sv;
if (type == OP_NEXTSTATE || type == OP_NULL || type == OP_PUSHMARK)
continue;
if (type == OP_LEAVESUB || type == OP_RETURN)
if (sv)
return Nullsv;
if (type == OP_CONST)
- sv = ((SVOP*)o)->op_sv;
- else if (type == OP_PADSV) {
- AV* pad = (AV*)(AvARRAY(CvPADLIST(cv))[1]);
- sv = pad ? AvARRAY(pad)[o->op_targ] : Nullsv;
+ sv = cSVOPo->op_sv;
+ else if (type == OP_PADSV && cv) {
+ AV* padav = (AV*)(AvARRAY(CvPADLIST(cv))[1]);
+ sv = padav ? AvARRAY(padav)[o->op_targ] : Nullsv;
if (!sv || (!SvREADONLY(sv) && SvREFCNT(sv) > 1))
return Nullsv;
}
}
CV *
-newSUB(floor,op,proto,block)
-I32 floor;
-OP *op;
-OP *proto;
-OP *block;
+newSUB(I32 floor, OP *o, OP *proto, OP *block)
{
- char *name = op ? SvPVx(cSVOP->op_sv, na) : Nullch;
- GV *gv = gv_fetchpv(name ? name : "__ANON__", GV_ADDMULTI, SVt_PVCV);
+ dTHR;
+ char *name = o ? SvPVx(cSVOPo->op_sv, na) : Nullch;
+ GV *gv = gv_fetchpv(name ? name : "__ANON__",
+ GV_ADDMULTI | (block ? 0 : GV_NOINIT), SVt_PVCV);
char *ps = proto ? SvPVx(((SVOP*)proto)->op_sv, na) : Nullch;
- register CV *cv;
+ register CV *cv=0;
I32 ix;
- if (op)
- SAVEFREEOP(op);
+ if (o)
+ SAVEFREEOP(o);
if (proto)
SAVEFREEOP(proto);
+ if (SvTYPE(gv) != SVt_PVGV) { /* Prototype now, and had
+ maximum a prototype before. */
+ if (SvTYPE(gv) > SVt_NULL) {
+ if (!SvPOK((SV*)gv) && !(SvIOK((SV*)gv) && SvIVX((SV*)gv) == -1))
+ warn("Runaway prototype");
+ cv_ckproto((CV*)gv, NULL, ps);
+ }
+ if (ps)
+ sv_setpv((SV*)gv, ps);
+ else
+ sv_setiv((SV*)gv, -1);
+ SvREFCNT_dec(compcv);
+ cv = compcv = NULL;
+ sub_generation++;
+ goto noblock;
+ }
+
if (!name || GvCVGEN(gv))
cv = Nullcv;
else if (cv = GvCV(gv)) {
/* already defined (or promised)? */
if (CvROOT(cv) || CvXSUB(cv) || GvASSUMECV(gv)) {
SV* const_sv;
+ bool const_changed = TRUE;
if (!block) {
/* just a "sub foo;" when &foo is already defined */
SAVEFREESV(compcv);
goto done;
}
- const_sv = cv_const_sv(cv);
- if (const_sv || dowarn) {
+ /* ahem, death to those who redefine active sort subs */
+ if (curstackinfo->si_type == SI_SORT && sortcop == CvSTART(cv))
+ croak("Can't redefine active sort subroutine %s", name);
+ if(const_sv = cv_const_sv(cv))
+ const_changed = sv_cmp(const_sv, op_const_sv(block, Nullcv));
+ if ((const_sv && const_changed) || dowarn && !(CvGV(cv) && GvSTASH(CvGV(cv))
+ && HvNAME(GvSTASH(CvGV(cv)))
+ && strEQ(HvNAME(GvSTASH(CvGV(cv))),
+ "autouse"))) {
line_t oldline = curcop->cop_line;
curcop->cop_line = copline;
warn(const_sv ? "Constant subroutine %s redefined"
CvGV(cv) = (GV*)SvREFCNT_inc(gv);
CvFILEGV(cv) = curcop->cop_filegv;
CvSTASH(cv) = curstash;
+#ifdef USE_THREADS
+ CvOWNER(cv) = 0;
+ New(666, CvMUTEXP(cv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(cv));
+#endif /* USE_THREADS */
if (ps)
sv_setpv((SV*)cv, ps);
croak(not_safe);
else {
/* force display of errors found but not reported */
- sv_catpv(GvSV(errgv), not_safe);
- croak("%s", SvPVx(GvSV(errgv), na));
+ sv_catpv(ERRSV, not_safe);
+ croak("%s", SvPVx(ERRSV, na));
}
}
}
}
if (!block) {
+ noblock:
copline = NOLINE;
LEAVE_SCOPE(floor);
return cv;
}
- if (AvFILL(comppad_name) < AvFILL(comppad))
- av_store(comppad_name, AvFILL(comppad), Nullsv);
+ if (AvFILLp(comppad_name) < AvFILLp(comppad))
+ av_store(comppad_name, AvFILLp(comppad), Nullsv);
if (CvCLONE(cv)) {
SV **namep = AvARRAY(comppad_name);
- for (ix = AvFILL(comppad); ix > 0; ix--) {
+ for (ix = AvFILLp(comppad); ix > 0; ix--) {
SV *namesv;
if (SvIMMORTAL(curpad[ix]))
av_store(comppad, 0, (SV*)av);
AvFLAGS(av) = AVf_REIFY;
- for (ix = AvFILL(comppad); ix > 0; ix--) {
+ for (ix = AvFILLp(comppad); ix > 0; ix--) {
if (SvIMMORTAL(curpad[ix]))
continue;
if (!SvPADMY(curpad[ix]))
if (name) {
char *s;
- if (perldb && curstash != debstash) {
- SV *sv;
+ if (PERLDB_SUBLINE && curstash != debstash) {
+ SV *sv = NEWSV(0,0);
SV *tmpstr = sv_newmortal();
- static GV *db_postponed;
+ GV *db_postponed = gv_fetchpv("DB::postponed", GV_ADDMULTI, SVt_PVHV);
CV *cv;
HV *hv;
- sprintf(buf, "%s:%ld",
- SvPVX(GvSV(curcop->cop_filegv)), (long)subline);
- sv = newSVpv(buf,0);
- sv_catpv(sv,"-");
- sprintf(buf,"%ld",(long)curcop->cop_line);
- sv_catpv(sv,buf);
+ sv_setpvf(sv, "%_:%ld-%ld",
+ GvSV(curcop->cop_filegv),
+ (long)subline, (long)curcop->cop_line);
gv_efullname3(tmpstr, gv, Nullch);
hv_store(GvHV(DBsub), SvPVX(tmpstr), SvCUR(tmpstr), sv, 0);
- if (!db_postponed) {
- db_postponed = gv_fetchpv("DB::postponed", GV_ADDMULTI, SVt_PVHV);
- }
hv = GvHVn(db_postponed);
if (HvFILL(hv) > 0 && hv_exists(hv, SvPVX(tmpstr), SvCUR(tmpstr))
&& (cv = GvCV(db_postponed))) {
dSP;
- PUSHMARK(sp);
+ PUSHMARK(SP);
XPUSHs(tmpstr);
PUTBACK;
perl_call_sv((SV*)cv, G_DISCARD);
ENTER;
SAVESPTR(compiling.cop_filegv);
SAVEI16(compiling.cop_line);
- SAVEI32(perldb);
save_svref(&rs);
sv_setsv(rs, nrs);
av_store(endav, 0, (SV *)cv);
GvCV(gv) = 0;
}
+ else if (strEQ(s, "INIT") && !error_count) {
+ if (!initav)
+ initav = newAV();
+ av_push(initav, SvREFCNT_inc(cv));
+ }
}
done:
return cv;
}
-#ifdef DEPRECATED
-CV *
-newXSUB(name, ix, subaddr, filename)
-char *name;
-I32 ix;
-I32 (*subaddr)();
-char *filename;
-{
- CV* cv = newXS(name, (void(*)())subaddr, filename);
- CvOLDSTYLE_on(cv);
- CvXSUBANY(cv).any_i32 = ix;
- return cv;
+void
+newCONSTSUB(HV *stash, char *name, SV *sv)
+{
+ dTHR;
+ U32 oldhints = hints;
+ HV *old_cop_stash = curcop->cop_stash;
+ HV *old_curstash = curstash;
+ line_t oldline = curcop->cop_line;
+ curcop->cop_line = copline;
+
+ hints &= ~HINT_BLOCK_SCOPE;
+ if(stash)
+ curstash = curcop->cop_stash = stash;
+
+ newSUB(
+ start_subparse(FALSE, 0),
+ newSVOP(OP_CONST, 0, newSVpv(name,0)),
+ newSVOP(OP_CONST, 0, &sv_no), /* SvPV(&sv_no) == "" -- GMB */
+ newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
+ );
+
+ hints = oldhints;
+ curcop->cop_stash = old_cop_stash;
+ curstash = old_curstash;
+ curcop->cop_line = oldline;
}
-#endif
CV *
-newXS(name, subaddr, filename)
-char *name;
-void (*subaddr) _((CV*));
-char *filename;
+newXS(char *name, void (*subaddr) (CV * _CPERLproto), char *filename)
{
+ dTHR;
GV *gv = gv_fetchpv(name ? name : "__ANON__", GV_ADDMULTI, SVt_PVCV);
register CV *cv;
}
else if (CvROOT(cv) || CvXSUB(cv) || GvASSUMECV(gv)) {
/* already defined (or promised) */
- if (dowarn) {
+ if (dowarn && !(CvGV(cv) && GvSTASH(CvGV(cv))
+ && HvNAME(GvSTASH(CvGV(cv)))
+ && strEQ(HvNAME(GvSTASH(CvGV(cv))), "autouse"))) {
line_t oldline = curcop->cop_line;
curcop->cop_line = copline;
warn("Subroutine %s redefined",name);
}
}
CvGV(cv) = (GV*)SvREFCNT_inc(gv);
+#ifdef USE_THREADS
+ New(666, CvMUTEXP(cv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(cv));
+ CvOWNER(cv) = 0;
+#endif /* USE_THREADS */
CvFILEGV(cv) = gv_fetchfile(filename);
CvXSUB(cv) = subaddr;
av_store(endav, 0, (SV *)cv);
GvCV(gv) = 0;
}
+ else if (strEQ(s, "INIT")) {
+ if (!initav)
+ initav = newAV();
+ av_push(initav, (SV *)cv);
+ }
}
else
CvANON_on(cv);
}
void
-newFORM(floor,op,block)
-I32 floor;
-OP *op;
-OP *block;
+newFORM(I32 floor, OP *o, OP *block)
{
+ dTHR;
register CV *cv;
char *name;
GV *gv;
I32 ix;
- if (op)
- name = SvPVx(cSVOP->op_sv, na);
+ if (o)
+ name = SvPVx(cSVOPo->op_sv, na);
else
name = "STDOUT";
gv = gv_fetchpv(name,TRUE, SVt_PVFM);
CvGV(cv) = (GV*)SvREFCNT_inc(gv);
CvFILEGV(cv) = curcop->cop_filegv;
- for (ix = AvFILL(comppad); ix > 0; ix--) {
+ for (ix = AvFILLp(comppad); ix > 0; ix--) {
if (!SvPADMY(curpad[ix]) && !SvIMMORTAL(curpad[ix]))
SvPADTMP_on(curpad[ix]);
}
CvSTART(cv) = LINKLIST(CvROOT(cv));
CvROOT(cv)->op_next = 0;
peep(CvSTART(cv));
- op_free(op);
+ op_free(o);
copline = NOLINE;
LEAVE_SCOPE(floor);
}
OP *
-newANONLIST(op)
-OP* op;
+newANONLIST(OP *o)
{
return newUNOP(OP_REFGEN, 0,
- mod(list(convert(OP_ANONLIST, 0, op)), OP_REFGEN));
+ mod(list(convert(OP_ANONLIST, 0, o)), OP_REFGEN));
}
OP *
-newANONHASH(op)
-OP* op;
+newANONHASH(OP *o)
{
return newUNOP(OP_REFGEN, 0,
- mod(list(convert(OP_ANONHASH, 0, op)), OP_REFGEN));
+ mod(list(convert(OP_ANONHASH, 0, o)), OP_REFGEN));
}
OP *
-newANONSUB(floor, proto, block)
-I32 floor;
-OP *proto;
-OP *block;
+newANONSUB(I32 floor, OP *proto, OP *block)
{
return newUNOP(OP_REFGEN, 0,
newSVOP(OP_ANONCODE, 0, (SV*)newSUB(floor, 0, proto, block)));
}
OP *
-oopsAV(o)
-OP *o;
+oopsAV(OP *o)
{
switch (o->op_type) {
case OP_PADSV:
}
OP *
-oopsHV(o)
-OP *o;
+oopsHV(OP *o)
{
switch (o->op_type) {
case OP_PADSV:
}
OP *
-newAVREF(o)
-OP *o;
+newAVREF(OP *o)
{
if (o->op_type == OP_PADANY) {
o->op_type = OP_PADAV;
}
OP *
-newGVREF(type,o)
-I32 type;
-OP *o;
+newGVREF(I32 type, OP *o)
{
if (type == OP_MAPSTART)
return newUNOP(OP_NULL, 0, o);
}
OP *
-newHVREF(o)
-OP *o;
+newHVREF(OP *o)
{
if (o->op_type == OP_PADANY) {
o->op_type = OP_PADHV;
}
OP *
-oopsCV(o)
-OP *o;
+oopsCV(OP *o)
{
croak("NOT IMPL LINE %d",__LINE__);
/* STUB */
}
OP *
-newCVREF(flags, o)
-I32 flags;
-OP *o;
+newCVREF(I32 flags, OP *o)
{
return newUNOP(OP_RV2CV, flags, scalar(o));
}
OP *
-newSVREF(o)
-OP *o;
+newSVREF(OP *o)
{
if (o->op_type == OP_PADANY) {
o->op_type = OP_PADSV;
o->op_ppaddr = ppaddr[OP_PADSV];
return o;
}
+ else if (o->op_type == OP_THREADSV && !(o->op_flags & OPpDONE_SVREF)) {
+ o->op_flags |= OPpDONE_SVREF;
+ return o;
+ }
return newUNOP(OP_RV2SV, 0, scalar(o));
}
/* Check routines. */
OP *
-ck_anoncode(op)
-OP *op;
+ck_anoncode(OP *o)
{
PADOFFSET ix;
SV* name;
sv_setpvn(name, "&", 1);
SvIVX(name) = -1;
SvNVX(name) = 1;
- ix = pad_alloc(op->op_type, SVs_PADMY);
+ ix = pad_alloc(o->op_type, SVs_PADMY);
av_store(comppad_name, ix, name);
- av_store(comppad, ix, cSVOP->op_sv);
- SvPADMY_on(cSVOP->op_sv);
- cSVOP->op_sv = Nullsv;
- cSVOP->op_targ = ix;
- return op;
+ av_store(comppad, ix, cSVOPo->op_sv);
+ SvPADMY_on(cSVOPo->op_sv);
+ cSVOPo->op_sv = Nullsv;
+ cSVOPo->op_targ = ix;
+ return o;
}
OP *
-ck_bitop(op)
-OP *op;
+ck_bitop(OP *o)
{
- op->op_private = hints;
- return op;
+ o->op_private = hints;
+ return o;
}
OP *
-ck_concat(op)
-OP *op;
+ck_concat(OP *o)
{
- if (cUNOP->op_first->op_type == OP_CONCAT)
- op->op_flags |= OPf_STACKED;
- return op;
+ if (cUNOPo->op_first->op_type == OP_CONCAT)
+ o->op_flags |= OPf_STACKED;
+ return o;
}
OP *
-ck_spair(op)
-OP *op;
+ck_spair(OP *o)
{
- if (op->op_flags & OPf_KIDS) {
+ if (o->op_flags & OPf_KIDS) {
OP* newop;
OP* kid;
- OPCODE type = op->op_type;
- op = modkids(ck_fun(op), type);
- kid = cUNOP->op_first;
+ OPCODE type = o->op_type;
+ o = modkids(ck_fun(o), type);
+ kid = cUNOPo->op_first;
newop = kUNOP->op_first->op_sibling;
if (newop &&
(newop->op_sibling ||
!(opargs[newop->op_type] & OA_RETSCALAR) ||
newop->op_type == OP_PADAV || newop->op_type == OP_PADHV ||
newop->op_type == OP_RV2AV || newop->op_type == OP_RV2HV)) {
-
- return op;
+
+ return o;
}
op_free(kUNOP->op_first);
kUNOP->op_first = newop;
}
- op->op_ppaddr = ppaddr[++op->op_type];
- return ck_fun(op);
+ o->op_ppaddr = ppaddr[++o->op_type];
+ return ck_fun(o);
}
OP *
-ck_delete(op)
-OP *op;
+ck_delete(OP *o)
{
- op = ck_fun(op);
- op->op_private = 0;
- if (op->op_flags & OPf_KIDS) {
- OP *kid = cUNOP->op_first;
+ o = ck_fun(o);
+ o->op_private = 0;
+ if (o->op_flags & OPf_KIDS) {
+ OP *kid = cUNOPo->op_first;
if (kid->op_type == OP_HSLICE)
- op->op_private |= OPpSLICE;
+ o->op_private |= OPpSLICE;
else if (kid->op_type != OP_HELEM)
croak("%s argument is not a HASH element or slice",
- op_desc[op->op_type]);
+ op_desc[o->op_type]);
null(kid);
}
- return op;
+ return o;
}
OP *
-ck_eof(op)
-OP *op;
+ck_eof(OP *o)
{
- I32 type = op->op_type;
+ I32 type = o->op_type;
- if (op->op_flags & OPf_KIDS) {
- if (cLISTOP->op_first->op_type == OP_STUB) {
- op_free(op);
- op = newUNOP(type, OPf_SPECIAL,
- newGVOP(OP_GV, 0, gv_fetchpv("main'ARGV", TRUE, SVt_PVAV)));
+ if (o->op_flags & OPf_KIDS) {
+ if (cLISTOPo->op_first->op_type == OP_STUB) {
+ op_free(o);
+ o = newUNOP(type, OPf_SPECIAL,
+ newGVOP(OP_GV, 0, gv_fetchpv("main::ARGV", TRUE, SVt_PVAV)));
}
- return ck_fun(op);
+ return ck_fun(o);
}
- return op;
+ return o;
}
OP *
-ck_eval(op)
-OP *op;
+ck_eval(OP *o)
{
hints |= HINT_BLOCK_SCOPE;
- if (op->op_flags & OPf_KIDS) {
- SVOP *kid = (SVOP*)cUNOP->op_first;
+ if (o->op_flags & OPf_KIDS) {
+ SVOP *kid = (SVOP*)cUNOPo->op_first;
if (!kid) {
- op->op_flags &= ~OPf_KIDS;
- null(op);
+ o->op_flags &= ~OPf_KIDS;
+ null(o);
}
else if (kid->op_type == OP_LINESEQ) {
LOGOP *enter;
- kid->op_next = op->op_next;
- cUNOP->op_first = 0;
- op_free(op);
+ kid->op_next = o->op_next;
+ cUNOPo->op_first = 0;
+ op_free(o);
Newz(1101, enter, 1, LOGOP);
enter->op_type = OP_ENTERTRY;
/* establish postfix order */
enter->op_next = (OP*)enter;
- op = prepend_elem(OP_LINESEQ, (OP*)enter, (OP*)kid);
- op->op_type = OP_LEAVETRY;
- op->op_ppaddr = ppaddr[OP_LEAVETRY];
- enter->op_other = op;
- return op;
+ o = prepend_elem(OP_LINESEQ, (OP*)enter, (OP*)kid);
+ o->op_type = OP_LEAVETRY;
+ o->op_ppaddr = ppaddr[OP_LEAVETRY];
+ enter->op_other = o;
+ return o;
}
+ else
+ scalar((OP*)kid);
}
else {
- op_free(op);
- op = newUNOP(OP_ENTEREVAL, 0, newSVREF(newGVOP(OP_GV, 0, defgv)));
+ op_free(o);
+ o = newUNOP(OP_ENTEREVAL, 0, newDEFSVOP());
}
- op->op_targ = (PADOFFSET)hints;
- return op;
+ o->op_targ = (PADOFFSET)hints;
+ return o;
}
OP *
-ck_exec(op)
-OP *op;
+ck_exec(OP *o)
{
OP *kid;
- if (op->op_flags & OPf_STACKED) {
- op = ck_fun(op);
- kid = cUNOP->op_first->op_sibling;
+ if (o->op_flags & OPf_STACKED) {
+ o = ck_fun(o);
+ kid = cUNOPo->op_first->op_sibling;
if (kid->op_type == OP_RV2GV)
null(kid);
}
else
- op = listkids(op);
- return op;
+ o = listkids(o);
+ return o;
}
OP *
-ck_exists(op)
-OP *op;
+ck_exists(OP *o)
{
- op = ck_fun(op);
- if (op->op_flags & OPf_KIDS) {
- OP *kid = cUNOP->op_first;
+ o = ck_fun(o);
+ if (o->op_flags & OPf_KIDS) {
+ OP *kid = cUNOPo->op_first;
if (kid->op_type != OP_HELEM)
- croak("%s argument is not a HASH element", op_desc[op->op_type]);
+ croak("%s argument is not a HASH element", op_desc[o->op_type]);
null(kid);
}
- return op;
+ return o;
}
OP *
-ck_gvconst(o)
-register OP *o;
+ck_gvconst(register OP *o)
{
o = fold_constants(o);
if (o->op_type == OP_CONST)
}
OP *
-ck_rvconst(op)
-register OP *op;
+ck_rvconst(register OP *o)
{
- SVOP *kid = (SVOP*)cUNOP->op_first;
+ dTHR;
+ SVOP *kid = (SVOP*)cUNOPo->op_first;
- op->op_private |= (hints & HINT_STRICT_REFS);
+ o->op_private |= (hints & HINT_STRICT_REFS);
if (kid->op_type == OP_CONST) {
char *name;
int iscv;
name = SvPV(kid->op_sv, na);
if ((hints & HINT_STRICT_REFS) && (kid->op_private & OPpCONST_BARE)) {
char *badthing = Nullch;
- switch (op->op_type) {
+ switch (o->op_type) {
case OP_RV2SV:
badthing = "a SCALAR";
break;
"Can't use bareword (\"%s\") as %s ref while \"strict refs\" in use",
name, badthing);
}
- kid->op_type = OP_GV;
- iscv = (op->op_type == OP_RV2CV) * 2;
- for (gv = 0; !gv; iscv++) {
- /*
- * This is a little tricky. We only want to add the symbol if we
- * didn't add it in the lexer. Otherwise we get duplicate strict
- * warnings. But if we didn't add it in the lexer, we must at
- * least pretend like we wanted to add it even if it existed before,
- * or we get possible typo warnings. OPpCONST_ENTERED says
- * whether the lexer already added THIS instance of this symbol.
- */
+ /*
+ * This is a little tricky. We only want to add the symbol if we
+ * didn't add it in the lexer. Otherwise we get duplicate strict
+ * warnings. But if we didn't add it in the lexer, we must at
+ * least pretend like we wanted to add it even if it existed before,
+ * or we get possible typo warnings. OPpCONST_ENTERED says
+ * whether the lexer already added THIS instance of this symbol.
+ */
+ iscv = (o->op_type == OP_RV2CV) * 2;
+ do {
gv = gv_fetchpv(name,
iscv | !(kid->op_private & OPpCONST_ENTERED),
iscv
? SVt_PVCV
- : op->op_type == OP_RV2SV
+ : o->op_type == OP_RV2SV
? SVt_PV
- : op->op_type == OP_RV2AV
+ : o->op_type == OP_RV2AV
? SVt_PVAV
- : op->op_type == OP_RV2HV
+ : o->op_type == OP_RV2HV
? SVt_PVHV
: SVt_PVGV);
+ } while (!gv && !(kid->op_private & OPpCONST_ENTERED) && !iscv++);
+ if (gv) {
+ kid->op_type = OP_GV;
+ SvREFCNT_dec(kid->op_sv);
+ kid->op_sv = SvREFCNT_inc(gv);
}
- SvREFCNT_dec(kid->op_sv);
- kid->op_sv = SvREFCNT_inc(gv);
}
- return op;
+ return o;
}
OP *
-ck_ftst(op)
-OP *op;
+ck_ftst(OP *o)
{
- I32 type = op->op_type;
+ dTHR;
+ I32 type = o->op_type;
- if (op->op_flags & OPf_REF)
- return op;
+ if (o->op_flags & OPf_REF)
+ return o;
- if (op->op_flags & OPf_KIDS) {
- SVOP *kid = (SVOP*)cUNOP->op_first;
+ if (o->op_flags & OPf_KIDS && cUNOPo->op_first->op_type != OP_STUB) {
+ SVOP *kid = (SVOP*)cUNOPo->op_first;
if (kid->op_type == OP_CONST && (kid->op_private & OPpCONST_BARE)) {
OP *newop = newGVOP(type, OPf_REF,
gv_fetchpv(SvPVx(kid->op_sv, na), TRUE, SVt_PVIO));
- op_free(op);
+ op_free(o);
return newop;
}
}
else {
- op_free(op);
+ op_free(o);
if (type == OP_FTTTY)
- return newGVOP(type, OPf_REF, gv_fetchpv("main'STDIN", TRUE,
+ return newGVOP(type, OPf_REF, gv_fetchpv("main::STDIN", TRUE,
SVt_PVIO));
else
- return newUNOP(type, 0, newSVREF(newGVOP(OP_GV, 0, defgv)));
+ return newUNOP(type, 0, newDEFSVOP());
}
- return op;
+ return o;
}
OP *
-ck_fun(op)
-OP *op;
+ck_fun(OP *o)
{
+ dTHR;
register OP *kid;
OP **tokid;
OP *sibl;
I32 numargs = 0;
- int type = op->op_type;
+ int type = o->op_type;
register I32 oa = opargs[type] >> OASHIFT;
-
- if (op->op_flags & OPf_STACKED) {
+
+ if (o->op_flags & OPf_STACKED) {
if ((oa & OA_OPTIONAL) && (oa >> 4) && !((oa >> 4) & OA_OPTIONAL))
oa &= ~OA_OPTIONAL;
else
- return no_fh_allowed(op);
+ return no_fh_allowed(o);
}
- if (op->op_flags & OPf_KIDS) {
- tokid = &cLISTOP->op_first;
- kid = cLISTOP->op_first;
+ if (o->op_flags & OPf_KIDS) {
+ tokid = &cLISTOPo->op_first;
+ kid = cLISTOPo->op_first;
if (kid->op_type == OP_PUSHMARK ||
kid->op_type == OP_NULL && kid->op_targ == OP_PUSHMARK)
{
kid = kid->op_sibling;
}
if (!kid && opargs[type] & OA_DEFGV)
- *tokid = kid = newSVREF(newGVOP(OP_GV, 0, defgv));
+ *tokid = kid = newDEFSVOP();
while (oa && kid) {
numargs++;
*tokid = kid;
}
else if (kid->op_type != OP_RV2AV && kid->op_type != OP_PADAV)
- bad_type(numargs, "array", op_desc[op->op_type], kid);
+ bad_type(numargs, "array", op_desc[o->op_type], kid);
mod(kid, type);
break;
case OA_HVREF:
*tokid = kid;
}
else if (kid->op_type != OP_RV2HV && kid->op_type != OP_PADHV)
- bad_type(numargs, "hash", op_desc[op->op_type], kid);
+ bad_type(numargs, "hash", op_desc[o->op_type], kid);
mod(kid, type);
break;
case OA_CVREF:
tokid = &kid->op_sibling;
kid = kid->op_sibling;
}
- op->op_private |= numargs;
+ o->op_private |= numargs;
if (kid)
- return too_many_arguments(op,op_desc[op->op_type]);
- listkids(op);
+ return too_many_arguments(o,op_desc[o->op_type]);
+ listkids(o);
}
else if (opargs[type] & OA_DEFGV) {
- op_free(op);
- return newUNOP(type, 0, newSVREF(newGVOP(OP_GV, 0, defgv)));
+ op_free(o);
+ return newUNOP(type, 0, newDEFSVOP());
}
if (oa) {
while (oa & OA_OPTIONAL)
oa >>= 4;
if (oa && oa != OA_LIST)
- return too_few_arguments(op,op_desc[op->op_type]);
+ return too_few_arguments(o,op_desc[o->op_type]);
}
- return op;
+ return o;
}
OP *
-ck_glob(op)
-OP *op;
+ck_glob(OP *o)
{
- GV *gv = gv_fetchpv("glob", FALSE, SVt_PVCV);
+ GV *gv;
+
+ if ((o->op_flags & OPf_KIDS) && !cLISTOPo->op_first->op_sibling)
+ append_elem(OP_GLOB, o, newDEFSVOP());
+
+ if (!((gv = gv_fetchpv("glob", FALSE, SVt_PVCV)) && GvIMPORTED_CV(gv)))
+ gv = gv_fetchpv("CORE::GLOBAL::glob", FALSE, SVt_PVCV);
if (gv && GvIMPORTED_CV(gv)) {
- static int cnt;
-
- append_elem(OP_GLOB, op, newSVOP(OP_CONST, 0, newSViv(cnt++)));
- op->op_type = OP_LIST;
- op->op_ppaddr = ppaddr[OP_LIST];
- ((LISTOP*)op)->op_first->op_type = OP_PUSHMARK;
- ((LISTOP*)op)->op_first->op_ppaddr = ppaddr[OP_PUSHMARK];
- op = newUNOP(OP_ENTERSUB, OPf_STACKED,
- append_elem(OP_LIST, op,
- scalar(newUNOP(OP_RV2CV, 0,
- newGVOP(OP_GV, 0, gv)))));
- return ck_subr(op);
- }
- if ((op->op_flags & OPf_KIDS) && !cLISTOP->op_first->op_sibling)
- append_elem(OP_GLOB, op, newSVREF(newGVOP(OP_GV, 0, defgv)));
+ static int glob_index;
+
+ append_elem(OP_GLOB, o,
+ newSVOP(OP_CONST, 0, newSViv(glob_index++)));
+ o->op_type = OP_LIST;
+ o->op_ppaddr = ppaddr[OP_LIST];
+ cLISTOPo->op_first->op_type = OP_PUSHMARK;
+ cLISTOPo->op_first->op_ppaddr = ppaddr[OP_PUSHMARK];
+ o = newUNOP(OP_ENTERSUB, OPf_STACKED,
+ append_elem(OP_LIST, o,
+ scalar(newUNOP(OP_RV2CV, 0,
+ newGVOP(OP_GV, 0, gv)))));
+ o = newUNOP(OP_NULL, 0, ck_subr(o));
+ o->op_targ = OP_GLOB; /* hint at what it used to be */
+ return o;
+ }
gv = newGVgen("main");
gv_IOadd(gv);
- append_elem(OP_GLOB, op, newGVOP(OP_GV, 0, gv));
- scalarkids(op);
- return ck_fun(op);
+ append_elem(OP_GLOB, o, newGVOP(OP_GV, 0, gv));
+ scalarkids(o);
+ return ck_fun(o);
}
OP *
-ck_grep(op)
-OP *op;
+ck_grep(OP *o)
{
LOGOP *gwop;
OP *kid;
- OPCODE type = op->op_type == OP_GREPSTART ? OP_GREPWHILE : OP_MAPWHILE;
+ OPCODE type = o->op_type == OP_GREPSTART ? OP_GREPWHILE : OP_MAPWHILE;
- op->op_ppaddr = ppaddr[OP_GREPSTART];
+ o->op_ppaddr = ppaddr[OP_GREPSTART];
Newz(1101, gwop, 1, LOGOP);
-
- if (op->op_flags & OPf_STACKED) {
+
+ if (o->op_flags & OPf_STACKED) {
OP* k;
- op = ck_sort(op);
- kid = cLISTOP->op_first->op_sibling;
- for (k = cLISTOP->op_first->op_sibling->op_next; k; k = k->op_next) {
+ o = ck_sort(o);
+ kid = cLISTOPo->op_first->op_sibling;
+ for (k = cLISTOPo->op_first->op_sibling->op_next; k; k = k->op_next) {
kid = k;
}
kid->op_next = (OP*)gwop;
- op->op_flags &= ~OPf_STACKED;
+ o->op_flags &= ~OPf_STACKED;
}
- kid = cLISTOP->op_first->op_sibling;
+ kid = cLISTOPo->op_first->op_sibling;
if (type == OP_MAPWHILE)
list(kid);
else
scalar(kid);
- op = ck_fun(op);
+ o = ck_fun(o);
if (error_count)
- return op;
- kid = cLISTOP->op_first->op_sibling;
+ return o;
+ kid = cLISTOPo->op_first->op_sibling;
if (kid->op_type != OP_NULL)
croak("panic: ck_grep");
kid = kUNOP->op_first;
gwop->op_type = type;
gwop->op_ppaddr = ppaddr[type];
- gwop->op_first = listkids(op);
+ gwop->op_first = listkids(o);
gwop->op_flags |= OPf_KIDS;
gwop->op_private = 1;
gwop->op_other = LINKLIST(kid);
gwop->op_targ = pad_alloc(type, SVs_PADTMP);
kid->op_next = (OP*)gwop;
- kid = cLISTOP->op_first->op_sibling;
+ kid = cLISTOPo->op_first->op_sibling;
if (!kid || !kid->op_sibling)
- return too_few_arguments(op,op_desc[op->op_type]);
+ return too_few_arguments(o,op_desc[o->op_type]);
for (kid = kid->op_sibling; kid; kid = kid->op_sibling)
mod(kid, OP_GREPSTART);
}
OP *
-ck_index(op)
-OP *op;
+ck_index(OP *o)
{
- if (op->op_flags & OPf_KIDS) {
- OP *kid = cLISTOP->op_first->op_sibling; /* get past pushmark */
+ if (o->op_flags & OPf_KIDS) {
+ OP *kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
if (kid && kid->op_type == OP_CONST)
- fbm_compile(((SVOP*)kid)->op_sv);
+ fbm_compile(((SVOP*)kid)->op_sv, 0);
}
- return ck_fun(op);
+ return ck_fun(o);
}
OP *
-ck_lengthconst(op)
-OP *op;
+ck_lengthconst(OP *o)
{
/* XXX length optimization goes here */
- return ck_fun(op);
+ return ck_fun(o);
}
OP *
-ck_lfun(op)
-OP *op;
+ck_lfun(OP *o)
{
- OPCODE type = op->op_type;
- return modkids(ck_fun(op), type);
+ OPCODE type = o->op_type;
+ return modkids(ck_fun(o), type);
}
OP *
-ck_rfun(op)
-OP *op;
+ck_rfun(OP *o)
{
- OPCODE type = op->op_type;
- return refkids(ck_fun(op), type);
+ OPCODE type = o->op_type;
+ return refkids(ck_fun(o), type);
}
OP *
-ck_listiob(op)
-OP *op;
+ck_listiob(OP *o)
{
register OP *kid;
-
- kid = cLISTOP->op_first;
+
+ kid = cLISTOPo->op_first;
if (!kid) {
- op = force_list(op);
- kid = cLISTOP->op_first;
+ o = force_list(o);
+ kid = cLISTOPo->op_first;
}
if (kid->op_type == OP_PUSHMARK)
kid = kid->op_sibling;
- if (kid && op->op_flags & OPf_STACKED)
+ if (kid && o->op_flags & OPf_STACKED)
kid = kid->op_sibling;
else if (kid && !kid->op_sibling) { /* print HANDLE; */
if (kid->op_type == OP_CONST && kid->op_private & OPpCONST_BARE) {
- op->op_flags |= OPf_STACKED; /* make it a filehandle */
+ o->op_flags |= OPf_STACKED; /* make it a filehandle */
kid = newUNOP(OP_RV2GV, OPf_REF, scalar(kid));
- cLISTOP->op_first->op_sibling = kid;
- cLISTOP->op_last = kid;
+ cLISTOPo->op_first->op_sibling = kid;
+ cLISTOPo->op_last = kid;
kid = kid->op_sibling;
}
}
if (!kid)
- append_elem(op->op_type, op, newSVREF(newGVOP(OP_GV, 0, defgv)) );
+ append_elem(o->op_type, o, newDEFSVOP());
- op = listkids(op);
+ o = listkids(o);
- op->op_private = 0;
+ o->op_private = 0;
#ifdef USE_LOCALE
if (hints & HINT_LOCALE)
- op->op_private |= OPpLOCALE;
+ o->op_private |= OPpLOCALE;
#endif
- return op;
+ return o;
}
OP *
-ck_fun_locale(op)
-OP *op;
+ck_fun_locale(OP *o)
{
- op = ck_fun(op);
+ o = ck_fun(o);
- op->op_private = 0;
+ o->op_private = 0;
#ifdef USE_LOCALE
if (hints & HINT_LOCALE)
- op->op_private |= OPpLOCALE;
+ o->op_private |= OPpLOCALE;
#endif
- return op;
+ return o;
}
OP *
-ck_scmp(op)
-OP *op;
+ck_scmp(OP *o)
{
- op->op_private = 0;
+ o->op_private = 0;
#ifdef USE_LOCALE
if (hints & HINT_LOCALE)
- op->op_private |= OPpLOCALE;
+ o->op_private |= OPpLOCALE;
#endif
- return op;
+ return o;
}
OP *
-ck_match(op)
-OP *op;
+ck_match(OP *o)
{
- cPMOP->op_pmflags |= PMf_RUNTIME;
- cPMOP->op_pmpermflags |= PMf_RUNTIME;
- return op;
+ o->op_private |= OPpRUNTIME;
+ return o;
}
OP *
-ck_null(op)
-OP *op;
+ck_null(OP *o)
{
- return op;
+ return o;
}
OP *
-ck_repeat(op)
-OP *op;
+ck_repeat(OP *o)
{
- if (cBINOP->op_first->op_flags & OPf_PARENS) {
- op->op_private |= OPpREPEAT_DOLIST;
- cBINOP->op_first = force_list(cBINOP->op_first);
+ if (cBINOPo->op_first->op_flags & OPf_PARENS) {
+ o->op_private |= OPpREPEAT_DOLIST;
+ cBINOPo->op_first = force_list(cBINOPo->op_first);
}
else
- scalar(op);
- return op;
+ scalar(o);
+ return o;
}
OP *
-ck_require(op)
-OP *op;
+ck_require(OP *o)
{
- if (op->op_flags & OPf_KIDS) { /* Shall we supply missing .pm? */
- SVOP *kid = (SVOP*)cUNOP->op_first;
+ if (o->op_flags & OPf_KIDS) { /* Shall we supply missing .pm? */
+ SVOP *kid = (SVOP*)cUNOPo->op_first;
if (kid->op_type == OP_CONST && (kid->op_private & OPpCONST_BARE)) {
char *s;
sv_catpvn(kid->op_sv, ".pm", 3);
}
}
- return ck_fun(op);
+ return ck_fun(o);
}
OP *
-ck_retarget(op)
-OP *op;
+ck_retarget(OP *o)
{
croak("NOT IMPL LINE %d",__LINE__);
/* STUB */
- return op;
+ return o;
}
OP *
-ck_select(op)
-OP *op;
+ck_select(OP *o)
{
OP* kid;
- if (op->op_flags & OPf_KIDS) {
- kid = cLISTOP->op_first->op_sibling; /* get past pushmark */
+ if (o->op_flags & OPf_KIDS) {
+ kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
if (kid && kid->op_sibling) {
- op->op_type = OP_SSELECT;
- op->op_ppaddr = ppaddr[OP_SSELECT];
- op = ck_fun(op);
- return fold_constants(op);
+ o->op_type = OP_SSELECT;
+ o->op_ppaddr = ppaddr[OP_SSELECT];
+ o = ck_fun(o);
+ return fold_constants(o);
}
}
- op = ck_fun(op);
- kid = cLISTOP->op_first->op_sibling; /* get past pushmark */
+ o = ck_fun(o);
+ kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
if (kid && kid->op_type == OP_RV2GV)
kid->op_private &= ~HINT_STRICT_REFS;
- return op;
+ return o;
}
OP *
-ck_shift(op)
-OP *op;
+ck_shift(OP *o)
{
- I32 type = op->op_type;
+ I32 type = o->op_type;
- if (!(op->op_flags & OPf_KIDS)) {
- op_free(op);
- return newUNOP(type, 0,
- scalar(newUNOP(OP_RV2AV, 0,
- scalar(newGVOP(OP_GV, 0, subline
- ? defgv
- : gv_fetchpv("ARGV", TRUE, SVt_PVAV) )))));
+ if (!(o->op_flags & OPf_KIDS)) {
+ OP *argop;
+
+ op_free(o);
+#ifdef USE_THREADS
+ if (!CvUNIQUE(compcv)) {
+ argop = newOP(OP_PADAV, OPf_REF);
+ argop->op_targ = 0; /* curpad[0] is @_ */
+ }
+ else {
+ argop = newUNOP(OP_RV2AV, 0,
+ scalar(newGVOP(OP_GV, 0,
+ gv_fetchpv("ARGV", TRUE, SVt_PVAV))));
+ }
+#else
+ argop = newUNOP(OP_RV2AV, 0,
+ scalar(newGVOP(OP_GV, 0, !CvUNIQUE(compcv) ?
+ defgv : gv_fetchpv("ARGV", TRUE, SVt_PVAV))));
+#endif /* USE_THREADS */
+ return newUNOP(type, 0, scalar(argop));
}
- return scalar(modkids(ck_fun(op), type));
+ return scalar(modkids(ck_fun(o), type));
}
OP *
-ck_sort(op)
-OP *op;
+ck_sort(OP *o)
{
- op->op_private = 0;
+ o->op_private = 0;
#ifdef USE_LOCALE
if (hints & HINT_LOCALE)
- op->op_private |= OPpLOCALE;
+ o->op_private |= OPpLOCALE;
#endif
- if (op->op_flags & OPf_STACKED) {
- OP *kid = cLISTOP->op_first->op_sibling; /* get past pushmark */
+ if (o->op_flags & OPf_STACKED) {
+ OP *kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
OP *k;
kid = kUNOP->op_first; /* get past rv2gv */
kid->op_next = 0;
}
else if (kid->op_type == OP_LEAVE) {
- if (op->op_type == OP_SORT) {
+ if (o->op_type == OP_SORT) {
null(kid); /* wipe out leave */
kid->op_next = kid;
}
peep(k);
- kid = cLISTOP->op_first->op_sibling; /* get past pushmark */
+ kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
null(kid); /* wipe out rv2gv */
- if (op->op_type == OP_SORT)
+ if (o->op_type == OP_SORT)
kid->op_next = kid;
else
kid->op_next = k;
- op->op_flags |= OPf_SPECIAL;
+ o->op_flags |= OPf_SPECIAL;
}
}
- return op;
+ return o;
}
OP *
-ck_split(op)
-OP *op;
+ck_split(OP *o)
{
register OP *kid;
- PMOP* pm;
-
- if (op->op_flags & OPf_STACKED)
- return no_fh_allowed(op);
- kid = cLISTOP->op_first;
+ if (o->op_flags & OPf_STACKED)
+ return no_fh_allowed(o);
+
+ kid = cLISTOPo->op_first;
if (kid->op_type != OP_NULL)
croak("panic: ck_split");
kid = kid->op_sibling;
- op_free(cLISTOP->op_first);
- cLISTOP->op_first = kid;
+ op_free(cLISTOPo->op_first);
+ cLISTOPo->op_first = kid;
if (!kid) {
- cLISTOP->op_first = kid = newSVOP(OP_CONST, 0, newSVpv(" ", 1));
- cLISTOP->op_last = kid; /* There was only one element previously */
+ cLISTOPo->op_first = kid = newSVOP(OP_CONST, 0, newSVpv(" ", 1));
+ cLISTOPo->op_last = kid; /* There was only one element previously */
}
if (kid->op_type != OP_MATCH) {
OP *sibl = kid->op_sibling;
kid->op_sibling = 0;
kid = pmruntime( newPMOP(OP_MATCH, OPf_SPECIAL), kid, Nullop);
- if (cLISTOP->op_first == cLISTOP->op_last)
- cLISTOP->op_last = kid;
- cLISTOP->op_first = kid;
+ if (cLISTOPo->op_first == cLISTOPo->op_last)
+ cLISTOPo->op_last = kid;
+ cLISTOPo->op_first = kid;
kid->op_sibling = sibl;
}
- pm = (PMOP*)kid;
- if (pm->op_pmshort && !(pm->op_pmflags & PMf_ALL)) {
- SvREFCNT_dec(pm->op_pmshort); /* can't use substring to optimize */
- pm->op_pmshort = 0;
- }
kid->op_type = OP_PUSHRE;
kid->op_ppaddr = ppaddr[OP_PUSHRE];
scalar(kid);
if (!kid->op_sibling)
- append_elem(OP_SPLIT, op, newSVREF(newGVOP(OP_GV, 0, defgv)) );
+ append_elem(OP_SPLIT, o, newDEFSVOP());
kid = kid->op_sibling;
scalar(kid);
if (!kid->op_sibling)
- append_elem(OP_SPLIT, op, newSVOP(OP_CONST, 0, newSViv(0)));
+ append_elem(OP_SPLIT, o, newSVOP(OP_CONST, 0, newSViv(0)));
kid = kid->op_sibling;
scalar(kid);
if (kid->op_sibling)
- return too_many_arguments(op,op_desc[op->op_type]);
+ return too_many_arguments(o,op_desc[o->op_type]);
- return op;
+ return o;
}
OP *
-ck_subr(op)
-OP *op;
+ck_subr(OP *o)
{
- OP *prev = ((cUNOP->op_first->op_sibling)
- ? cUNOP : ((UNOP*)cUNOP->op_first))->op_first;
- OP *o = prev->op_sibling;
+ dTHR;
+ OP *prev = ((cUNOPo->op_first->op_sibling)
+ ? cUNOPo : ((UNOP*)cUNOPo->op_first))->op_first;
+ OP *o2 = prev->op_sibling;
OP *cvop;
char *proto = 0;
CV *cv = 0;
+ GV *namegv = 0;
int optional = 0;
I32 arg = 0;
- for (cvop = o; cvop->op_sibling; cvop = cvop->op_sibling) ;
+ for (cvop = o2; cvop->op_sibling; cvop = cvop->op_sibling) ;
if (cvop->op_type == OP_RV2CV) {
SVOP* tmpop;
- op->op_private |= (cvop->op_private & OPpENTERSUB_AMPER);
+ o->op_private |= (cvop->op_private & OPpENTERSUB_AMPER);
null(cvop); /* disable rv2cv */
tmpop = (SVOP*)((UNOP*)cvop)->op_first;
if (tmpop->op_type == OP_GV) {
cv = GvCVu(tmpop->op_sv);
- if (cv && SvPOK(cv) && !(op->op_private & OPpENTERSUB_AMPER))
- proto = SvPV((SV*)cv,na);
+ if (cv && SvPOK(cv) && !(o->op_private & OPpENTERSUB_AMPER)) {
+ namegv = CvANON(cv) ? (GV*)tmpop->op_sv : CvGV(cv);
+ proto = SvPV((SV*)cv, na);
+ }
}
}
- op->op_private |= (hints & HINT_STRICT_REFS);
- if (perldb && curstash != debstash)
- op->op_private |= OPpENTERSUB_DB;
- while (o != cvop) {
+ o->op_private |= (hints & HINT_STRICT_REFS);
+ if (PERLDB_SUB && curstash != debstash)
+ o->op_private |= OPpENTERSUB_DB;
+ while (o2 != cvop) {
if (proto) {
switch (*proto) {
case '\0':
- return too_many_arguments(op, CvNAME(cv));
+ return too_many_arguments(o, gv_ename(namegv));
case ';':
optional = 1;
proto++;
case '$':
proto++;
arg++;
- scalar(o);
+ scalar(o2);
break;
case '%':
case '@':
- list(o);
+ list(o2);
arg++;
break;
case '&':
proto++;
arg++;
- if (o->op_type != OP_REFGEN && o->op_type != OP_UNDEF)
- bad_type(arg, "block", CvNAME(cv), o);
+ if (o2->op_type != OP_REFGEN && o2->op_type != OP_UNDEF)
+ bad_type(arg, "block", gv_ename(namegv), o2);
break;
case '*':
proto++;
arg++;
- if (o->op_type == OP_RV2GV)
+ if (o2->op_type == OP_RV2GV)
goto wrapref;
{
- OP* kid = o;
- o = newUNOP(OP_RV2GV, 0, kid);
- o->op_sibling = kid->op_sibling;
+ OP* kid = o2;
+ OP* sib = kid->op_sibling;
kid->op_sibling = 0;
- prev->op_sibling = o;
+ o2 = newUNOP(OP_RV2GV, 0, kid);
+ o2->op_sibling = sib;
+ prev->op_sibling = o2;
}
goto wrapref;
case '\\':
arg++;
switch (*proto++) {
case '*':
- if (o->op_type != OP_RV2GV)
- bad_type(arg, "symbol", CvNAME(cv), o);
+ if (o2->op_type != OP_RV2GV)
+ bad_type(arg, "symbol", gv_ename(namegv), o2);
goto wrapref;
case '&':
- if (o->op_type != OP_RV2CV)
- bad_type(arg, "sub", CvNAME(cv), o);
+ if (o2->op_type != OP_RV2CV)
+ bad_type(arg, "sub", gv_ename(namegv), o2);
goto wrapref;
case '$':
- if (o->op_type != OP_RV2SV && o->op_type != OP_PADSV)
- bad_type(arg, "scalar", CvNAME(cv), o);
+ if (o2->op_type != OP_RV2SV && o2->op_type != OP_PADSV)
+ bad_type(arg, "scalar", gv_ename(namegv), o2);
goto wrapref;
case '@':
- if (o->op_type != OP_RV2AV && o->op_type != OP_PADAV)
- bad_type(arg, "array", CvNAME(cv), o);
+ if (o2->op_type != OP_RV2AV && o2->op_type != OP_PADAV)
+ bad_type(arg, "array", gv_ename(namegv), o2);
goto wrapref;
case '%':
- if (o->op_type != OP_RV2HV && o->op_type != OP_PADHV)
- bad_type(arg, "hash", CvNAME(cv), o);
+ if (o2->op_type != OP_RV2HV && o2->op_type != OP_PADHV)
+ bad_type(arg, "hash", gv_ename(namegv), o2);
wrapref:
{
- OP* kid = o;
- o = newUNOP(OP_REFGEN, 0, kid);
- o->op_sibling = kid->op_sibling;
+ OP* kid = o2;
+ OP* sib = kid->op_sibling;
kid->op_sibling = 0;
- prev->op_sibling = o;
+ o2 = newUNOP(OP_REFGEN, 0, kid);
+ o2->op_sibling = sib;
+ prev->op_sibling = o2;
}
break;
default: goto oops;
default:
oops:
croak("Malformed prototype for %s: %s",
- CvNAME(cv),SvPV((SV*)cv,na));
+ gv_ename(namegv), SvPV((SV*)cv, na));
}
}
else
- list(o);
- mod(o, OP_ENTERSUB);
- prev = o;
- o = o->op_sibling;
- }
- if (proto && !optional && *proto == '$')
- return too_few_arguments(op, CvNAME(cv));
- return op;
+ list(o2);
+ mod(o2, OP_ENTERSUB);
+ prev = o2;
+ o2 = o2->op_sibling;
+ }
+ if (proto && !optional &&
+ (*proto && *proto != '@' && *proto != '%' && *proto != ';'))
+ return too_few_arguments(o, gv_ename(namegv));
+ return o;
}
OP *
-ck_svconst(op)
-OP *op;
+ck_svconst(OP *o)
{
- SvREADONLY_on(cSVOP->op_sv);
- return op;
+ SvREADONLY_on(cSVOPo->op_sv);
+ return o;
}
OP *
-ck_trunc(op)
-OP *op;
+ck_trunc(OP *o)
{
- if (op->op_flags & OPf_KIDS) {
- SVOP *kid = (SVOP*)cUNOP->op_first;
+ if (o->op_flags & OPf_KIDS) {
+ SVOP *kid = (SVOP*)cUNOPo->op_first;
if (kid->op_type == OP_NULL)
kid = (SVOP*)kid->op_sibling;
if (kid &&
kid->op_type == OP_CONST && (kid->op_private & OPpCONST_BARE))
- op->op_flags |= OPf_SPECIAL;
+ o->op_flags |= OPf_SPECIAL;
}
- return ck_fun(op);
+ return ck_fun(o);
}
/* A peephole optimizer. We visit the ops in the order they're to execute. */
void
-peep(o)
-register OP* o;
+peep(register OP *o)
{
+ dTHR;
register OP* oldop = 0;
if (!o || o->op_seq)
return;
ENTER;
- SAVESPTR(op);
+ SAVEOP();
SAVESPTR(curcop);
for (; o; o = o->op_next) {
if (o->op_seq)
case OP_LC:
case OP_LCFIRST:
case OP_QUOTEMETA:
- if (o->op_next->op_type == OP_STRINGIFY)
+ if (o->op_next && o->op_next->op_type == OP_STRINGIFY)
null(o->op_next);
o->op_seq = op_seqmax++;
break;
goto nothin;
case OP_NULL:
if (o->op_targ == OP_NEXTSTATE || o->op_targ == OP_DBSTATE)
- curcop = ((COP*)op);
+ curcop = ((COP*)o);
goto nothin;
case OP_SCALAR:
case OP_LINESEQ:
o->op_seq = op_seqmax++;
break;
+ case OP_PADAV:
+ if (o->op_next->op_type == OP_RV2AV
+ && (o->op_next->op_flags && OPf_REF))
+ {
+ null(o->op_next);
+ o->op_next = o->op_next->op_next;
+ }
+ break;
+
+ case OP_PADHV:
+ if (o->op_next->op_type == OP_RV2HV
+ && (o->op_next->op_flags && OPf_REF))
+ {
+ null(o->op_next);
+ o->op_next = o->op_next->op_next;
+ }
+ break;
+
case OP_MAPWHILE:
case OP_GREPWHILE:
case OP_AND:
case OP_OR:
o->op_seq = op_seqmax++;
+ while (cLOGOP->op_other->op_type == OP_NULL)
+ cLOGOP->op_other = cLOGOP->op_other->op_next;
peep(cLOGOP->op_other);
break;
o->op_seq = op_seqmax++;
if (dowarn && o->op_next && o->op_next->op_type == OP_NEXTSTATE) {
if (o->op_next->op_sibling &&
+ o->op_next->op_sibling->op_type != OP_EXIT &&
+ o->op_next->op_sibling->op_type != OP_WARN &&
o->op_next->op_sibling->op_type != OP_DIE) {
line_t oldline = curcop->cop_line;
}
}
break;
+
+ case OP_HELEM: {
+ UNOP *rop;
+ SV *lexname;
+ GV **fields;
+ SV **svp, **indsvp;
+ I32 ind;
+ char *key;
+ STRLEN keylen;
+
+ if (o->op_private & (OPpDEREF_HV|OPpDEREF_AV|OPpLVAL_INTRO)
+ || ((BINOP*)o)->op_last->op_type != OP_CONST)
+ break;
+ rop = (UNOP*)((BINOP*)o)->op_first;
+ if (rop->op_type != OP_RV2HV || rop->op_first->op_type != OP_PADSV)
+ break;
+ lexname = *av_fetch(comppad_name, rop->op_first->op_targ, TRUE);
+ if (!SvOBJECT(lexname))
+ break;
+ fields = (GV**)hv_fetch(SvSTASH(lexname), "FIELDS", 6, FALSE);
+ if (!fields || !GvHV(*fields))
+ break;
+ svp = &((SVOP*)((BINOP*)o)->op_last)->op_sv;
+ key = SvPV(*svp, keylen);
+ indsvp = hv_fetch(GvHV(*fields), key, keylen, FALSE);
+ if (!indsvp) {
+ croak("No such field \"%s\" in variable %s of type %s",
+ key, SvPV(lexname, na), HvNAME(SvSTASH(lexname)));
+ }
+ ind = SvIV(*indsvp);
+ if (ind < 1)
+ croak("Bad index while coercing array into hash");
+ rop->op_type = OP_RV2AV;
+ rop->op_ppaddr = ppaddr[OP_RV2AV];
+ o->op_type = OP_AELEM;
+ o->op_ppaddr = ppaddr[OP_AELEM];
+ SvREFCNT_dec(*svp);
+ *svp = newSViv(ind);
+ break;
+ }
+
default:
o->op_seq = op_seqmax++;
break;
https://perl5.git.perl.org / perl5.git / blobdiff