Nullop ) \
: (CHECKCALL[type])((OP*)o))
+#define PAD_MAX 999999999
+
static bool scalar_mod_type _((OP *o, I32 type));
#ifndef PERL_OBJECT
static I32 list_assignment _((OP *o));
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));
+ CV* startcv, I32 cx_ix, I32 saweval));
static OP *newDEFSVOP _((void));
static OP *new_logop _((I32 type, I32 flags, OP **firstp, OP **otherp));
#endif
assertref(OP *o)
{
int type = o->op_type;
- if (type != OP_AELEM && type != OP_HELEM) {
+ if (type != OP_AELEM && type != OP_HELEM && type != OP_GELEM) {
yyerror(form("Can't use subscript on %s", op_desc[type]));
if (type == OP_ENTERSUB || type == OP_RV2HV || type == OP_PADHV) {
dTHR;
PADOFFSET off;
SV *sv;
- if (!(isALPHA(name[1]) || name[1] == '_' && (int)strlen(name) > 2)) {
+ if (!(
+ isALPHA(name[1]) ||
+ (PL_hints & HINT_UTF8 && (name[1] & 0xc0) == 0xc0) ||
+ name[1] == '_' && (int)strlen(name) > 2))
+ {
if (!isPRINT(name[1])) {
name[3] = '\0';
name[2] = toCTRL(name[1]);
}
croak("Can't use global %s in \"my\"",name);
}
- if (PL_dowarn && AvFILLp(PL_comppad_name) >= 0) {
+ if (ckWARN(WARN_UNSAFE) && AvFILLp(PL_comppad_name) >= 0) {
SV **svp = AvARRAY(PL_comppad_name);
for (off = AvFILLp(PL_comppad_name); off > PL_comppad_name_floor; off--) {
if ((sv = svp[off])
&& sv != &PL_sv_undef
- && SvIVX(sv) == 999999999 /* var is in open scope */
+ && (SvIVX(sv) == PAD_MAX || SvIVX(sv) == 0)
&& strEQ(name, SvPVX(sv)))
{
- warn("\"my\" variable %s masks earlier declaration in same scope", name);
+ warner(WARN_UNSAFE,
+ "\"my\" variable %s masks earlier declaration in same %s",
+ name, (SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
break;
}
}
PL_sv_objcount++;
}
av_store(PL_comppad_name, off, sv);
- SvNVX(sv) = (double)999999999;
+ SvNVX(sv) = (double)PAD_MAX;
SvIVX(sv) = 0; /* Not yet introduced--see newSTATEOP */
if (!PL_min_intro_pending)
PL_min_intro_pending = off;
}
STATIC PADOFFSET
-pad_findlex(char *name, PADOFFSET newoff, U32 seq, CV* startcv, I32 cx_ix)
+pad_findlex(char *name, PADOFFSET newoff, U32 seq, CV* startcv, I32 cx_ix, I32 saweval)
{
dTHR;
CV *cv;
SV *sv;
register I32 i;
register PERL_CONTEXT *cx;
- int saweval;
for (cv = startcv; cv; cv = CvOUTSIDE(cv)) {
AV *curlist = CvPADLIST(cv);
sv_setpv(namesv, name);
av_store(PL_comppad_name, newoff, namesv);
SvNVX(namesv) = (double)PL_curcop->cop_seq;
- SvIVX(namesv) = 999999999; /* A ref, intro immediately */
+ SvIVX(namesv) = PAD_MAX; /* A ref, intro immediately */
SvFAKE_on(namesv); /* A ref, not a real var */
+ if (SvOBJECT(sv)) { /* A typed var */
+ SvOBJECT_on(namesv);
+ (void)SvUPGRADE(namesv, SVt_PVMG);
+ SvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)SvSTASH(sv));
+ PL_sv_objcount++;
+ }
if (CvANON(PL_compcv) || SvTYPE(PL_compcv) == SVt_PVFM) {
/* "It's closures all the way down." */
CvCLONE_on(PL_compcv);
CV *bcv;
for (bcv = startcv;
bcv && bcv != cv && !CvCLONE(bcv);
- bcv = CvOUTSIDE(bcv)) {
+ bcv = CvOUTSIDE(bcv))
+ {
if (CvANON(bcv))
CvCLONE_on(bcv);
else {
- if (PL_dowarn && !CvUNIQUE(cv))
- warn(
+ if (ckWARN(WARN_CLOSURE)
+ && !CvUNIQUE(bcv) && !CvUNIQUE(cv))
+ {
+ warner(WARN_CLOSURE,
"Variable \"%s\" may be unavailable",
name);
+ }
break;
}
}
}
}
else if (!CvUNIQUE(PL_compcv)) {
- if (PL_dowarn && !SvFAKE(sv) && !CvUNIQUE(cv))
- warn("Variable \"%s\" will not stay shared", name);
+ if (ckWARN(WARN_CLOSURE) && !SvFAKE(sv) && !CvUNIQUE(cv))
+ warner(WARN_CLOSURE,
+ "Variable \"%s\" will not stay shared", name);
}
}
av_store(PL_comppad, newoff, SvREFCNT_inc(oldsv));
* XXX This will also probably interact badly with eval tree caching.
*/
- saweval = 0;
for (i = cx_ix; i >= 0; i--) {
cx = &cxstack[i];
- switch (cx->cx_type) {
+ switch (CxTYPE(cx)) {
default:
if (i == 0 && saweval) {
seq = cxstack[saweval].blk_oldcop->cop_seq;
- return pad_findlex(name, newoff, seq, PL_main_cv, 0);
+ return pad_findlex(name, newoff, seq, PL_main_cv, -1, saweval);
}
break;
case CXt_EVAL:
switch (cx->blk_eval.old_op_type) {
case OP_ENTEREVAL:
- saweval = i;
+ if (CxREALEVAL(cx))
+ saweval = i;
break;
case OP_REQUIRE:
/* require must have its own scope */
continue;
}
seq = cxstack[saweval].blk_oldcop->cop_seq;
- return pad_findlex(name, newoff, seq, cv, i-1);
+ return pad_findlex(name, newoff, seq, cv, i-1, saweval);
}
}
SV *sv;
SV **svp = AvARRAY(PL_comppad_name);
U32 seq = PL_cop_seqmax;
+ PERL_CONTEXT *cx;
+ CV *outside;
#ifdef USE_THREADS
/*
}
}
+ outside = CvOUTSIDE(PL_compcv);
+
+ /* Check if if we're compiling an eval'', and adjust seq to be the
+ * eval's seq number. This depends on eval'' having a non-null
+ * CvOUTSIDE() while it is being compiled. The eval'' itself is
+ * identified by CvUNIQUE being set and CvGV being null. */
+ if (outside && CvUNIQUE(PL_compcv) && !CvGV(PL_compcv) && cxstack_ix >= 0) {
+ cx = &cxstack[cxstack_ix];
+ if (CxREALEVAL(cx))
+ seq = cx->blk_oldcop->cop_seq;
+ }
+
/* See if it's in a nested scope */
- off = pad_findlex(name, 0, seq, CvOUTSIDE(PL_compcv), cxstack_ix);
+ off = pad_findlex(name, 0, seq, outside, cxstack_ix, 0);
if (off) {
/* If there is a pending local definition, this new alias must die */
if (pendoff)
}
/* "Deintroduce" my variables that are leaving with this scope. */
for (off = AvFILLp(PL_comppad_name); off > fill; off--) {
- if ((sv = svp[off]) && sv != &PL_sv_undef && SvIVX(sv) == 999999999)
+ if ((sv = svp[off]) && sv != &PL_sv_undef && SvIVX(sv) == PAD_MAX)
SvIVX(sv) = PL_cop_seqmax;
}
}
o->op_targ = 0; /* Was holding hints. */
break;
#ifdef USE_THREADS
+ case OP_ENTERITER:
+ if (!(o->op_flags & OPf_SPECIAL))
+ break;
+ /* FALL THROUGH */
case OP_THREADSV:
o->op_targ = 0; /* Was holding index into thr->threadsv AV. */
break;
case OP_DBSTATE:
Safefree(cCOPo->cop_label);
SvREFCNT_dec(cCOPo->cop_filegv);
+ if (cCOPo->cop_warnings != WARN_NONE && cCOPo->cop_warnings != WARN_ALL)
+ SvREFCNT_dec(cCOPo->cop_warnings);
break;
case OP_CONST:
SvREFCNT_dec(cSVOPo->op_sv);
break;
/* FALL THROUGH */
case OP_TRANS:
- Safefree(cPVOPo->op_pv);
+ if (o->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF))
+ SvREFCNT_dec(cSVOPo->op_sv);
+ else
+ Safefree(cPVOPo->op_pv);
break;
case OP_SUBST:
op_free(cPMOPo->op_pmreplroot);
STATIC OP *
scalarboolean(OP *o)
{
- if (PL_dowarn &&
- o->op_type == OP_SASSIGN && cBINOPo->op_first->op_type == OP_CONST) {
+ if (o->op_type == OP_SASSIGN && cBINOPo->op_first->op_type == OP_CONST) {
dTHR;
- line_t oldline = PL_curcop->cop_line;
+ if (ckWARN(WARN_SYNTAX)) {
+ line_t oldline = PL_curcop->cop_line;
- if (PL_copline != NOLINE)
- PL_curcop->cop_line = PL_copline;
- warn("Found = in conditional, should be ==");
- PL_curcop->cop_line = oldline;
+ if (PL_copline != NOLINE)
+ PL_curcop->cop_line = PL_copline;
+ warner(WARN_SYNTAX, "Found = in conditional, should be ==");
+ PL_curcop->cop_line = oldline;
+ }
}
return scalar(o);
}
case OP_CONST:
sv = cSVOPo->op_sv;
- if (PL_dowarn) {
- useless = "a constant";
- if (SvNIOK(sv) && (SvNV(sv) == 0.0 || SvNV(sv) == 1.0))
- useless = 0;
- else if (SvPOK(sv)) {
- if (strnEQ(SvPVX(sv), "di", 2) ||
- strnEQ(SvPVX(sv), "ds", 2) ||
- strnEQ(SvPVX(sv), "ig", 2))
- useless = 0;
+ {
+ dTHR;
+ if (ckWARN(WARN_VOID)) {
+ useless = "a constant";
+ if (SvNIOK(sv) && (SvNV(sv) == 0.0 || SvNV(sv) == 1.0))
+ useless = 0;
+ else if (SvPOK(sv)) {
+ if (strnEQ(SvPVX(sv), "di", 2) ||
+ strnEQ(SvPVX(sv), "ds", 2) ||
+ strnEQ(SvPVX(sv), "ig", 2))
+ useless = 0;
+ }
}
}
null(o); /* don't execute a constant */
}
break;
}
- if (useless && PL_dowarn)
- warn("Useless use of %s in void context", useless);
+ if (useless) {
+ dTHR;
+ if (ckWARN(WARN_VOID))
+ warner(WARN_VOID, "Useless use of %s in void context", useless);
+ }
return o;
}
if (type == OP_GREPSTART || type == OP_ENTERSUB || type == OP_REFGEN)
break;
yyerror(form("Can't modify %s in %s",
- op_desc[o->op_type],
+ (o->op_type == OP_NULL && (o->op_flags & OPf_SPECIAL)
+ ? "do block" : op_desc[o->op_type]),
type ? op_desc[type] : "local"));
return o;
break;
case OP_NULL:
- if (!(o->op_flags & OPf_KIDS))
+ if (o->op_flags & OPf_SPECIAL) /* do BLOCK */
+ goto nomod;
+ else if (!(o->op_flags & OPf_KIDS))
break;
if (o->op_targ != OP_LIST) {
mod(cBINOPo->op_first, type);
OP *
bind_match(I32 type, OP *left, OP *right)
{
+ dTHR;
OP *o;
- if (PL_dowarn &&
- (left->op_type == OP_RV2AV ||
- left->op_type == OP_RV2HV ||
- left->op_type == OP_PADAV ||
- left->op_type == OP_PADHV)) {
- char *desc = op_desc[(right->op_type == OP_SUBST ||
- right->op_type == OP_TRANS)
- ? right->op_type : OP_MATCH];
- char *sample = ((left->op_type == OP_RV2AV ||
- left->op_type == OP_PADAV)
- ? "@array" : "%hash");
- warn("Applying %s to %s will act on scalar(%s)", desc, sample, sample);
+ if (ckWARN(WARN_UNSAFE) &&
+ (left->op_type == OP_RV2AV ||
+ left->op_type == OP_RV2HV ||
+ left->op_type == OP_PADAV ||
+ left->op_type == OP_PADHV)) {
+ char *desc = op_desc[(right->op_type == OP_SUBST ||
+ right->op_type == OP_TRANS)
+ ? right->op_type : OP_MATCH];
+ char *sample = ((left->op_type == OP_RV2AV ||
+ left->op_type == OP_PADAV)
+ ? "@array" : "%hash");
+ warner(WARN_UNSAFE,
+ "Applying %s to %s will act on scalar(%s)",
+ desc, sample, sample);
}
if (right->op_type == OP_MATCH ||
PL_pad_reset_pending = FALSE;
SAVEHINTS();
PL_hints &= ~HINT_BLOCK_SCOPE;
+ SAVEPPTR(PL_compiling.cop_warnings);
+ if (PL_compiling.cop_warnings != WARN_ALL &&
+ PL_compiling.cop_warnings != WARN_NONE) {
+ PL_compiling.cop_warnings = newSVsv(PL_compiling.cop_warnings) ;
+ SAVEFREESV(PL_compiling.cop_warnings) ;
+ }
+
+
return retval;
}
OP* retval = scalarseq(seq);
LEAVE_SCOPE(floor);
PL_pad_reset_pending = FALSE;
+ PL_compiling.op_private = PL_hints;
if (needblockscope)
PL_hints |= HINT_BLOCK_SCOPE; /* propagate out */
pad_leavemy(PL_comppad_name_fill);
if (o->op_flags & OPf_PARENS)
list(o);
else {
- if (PL_dowarn && PL_bufptr > PL_oldbufptr && PL_bufptr[-1] == ',') {
+ dTHR;
+ if (ckWARN(WARN_PARENTHESIS) && PL_bufptr > PL_oldbufptr && PL_bufptr[-1] == ',') {
char *s;
- for (s = PL_bufptr; *s && (isALNUM(*s) || strchr("@$%, ",*s)); s++) ;
+ for (s = PL_bufptr; *s && (isALNUM(*s) || (*s & 0x80) || strchr("@$%, ",*s)); s++) ;
if (*s == ';' || *s == '=')
- warn("Parens missing around \"%s\" list", lex ? "my" : "local");
+ warner(WARN_PARENTHESIS, "Parens missing around \"%s\" list",
+ lex ? "my" : "local");
}
}
PL_in_my = FALSE;
first->op_last = last->op_last;
first->op_children += last->op_children;
if (first->op_children)
- last->op_flags |= OPf_KIDS;
+ first->op_flags |= OPf_KIDS;
Safefree(last);
return (OP*)first;
if (binop->op_next)
return (OP*)binop;
- binop->op_last = last = binop->op_first->op_sibling;
+ binop->op_last = binop->op_first->op_sibling;
return fold_constants((OP *)binop);
}
+static int
+utf8compare(const void *a, const void *b)
+{
+ int i;
+ for (i = 0; i < 10; i++) {
+ if ((*(U8**)a)[i] < (*(U8**)b)[i])
+ return -1;
+ if ((*(U8**)a)[i] > (*(U8**)b)[i])
+ return 1;
+ }
+ return 0;
+}
+
OP *
pmtrans(OP *o, OP *expr, OP *repl)
{
register U8 *r = (U8*)SvPV(rstr, rlen);
register I32 i;
register I32 j;
- I32 Delete;
+ I32 del;
I32 complement;
I32 squash;
register short *tbl;
- tbl = (short*)cPVOPo->op_pv;
complement = o->op_private & OPpTRANS_COMPLEMENT;
- Delete = o->op_private & OPpTRANS_DELETE;
+ del = o->op_private & OPpTRANS_DELETE;
squash = o->op_private & OPpTRANS_SQUASH;
+ if (o->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) {
+ SV* listsv = newSVpv("# comment\n",0);
+ SV* transv = 0;
+ U8* tend = t + tlen;
+ U8* rend = r + rlen;
+ I32 ulen;
+ U32 tfirst = 1;
+ U32 tlast = 0;
+ I32 tdiff;
+ U32 rfirst = 1;
+ U32 rlast = 0;
+ I32 rdiff;
+ I32 diff;
+ I32 none = 0;
+ U32 max = 0;
+ I32 bits;
+ I32 grows = 0;
+ I32 havefinal = 0;
+ U32 final;
+ HV *hv;
+ I32 from_utf = o->op_private & OPpTRANS_FROM_UTF;
+ I32 to_utf = o->op_private & OPpTRANS_TO_UTF;
+
+ if (complement) {
+ U8 tmpbuf[10];
+ U8** cp;
+ UV nextmin = 0;
+ New(1109, cp, tlen, U8*);
+ i = 0;
+ transv = newSVpv("",0);
+ while (t < tend) {
+ cp[i++] = t;
+ t += UTF8SKIP(t);
+ if (*t == 0xff) {
+ t++;
+ t += UTF8SKIP(t);
+ }
+ }
+ qsort(cp, i, sizeof(U8*), utf8compare);
+ for (j = 0; j < i; j++) {
+ U8 *s = cp[j];
+ UV val = utf8_to_uv(s, &ulen);
+ s += ulen;
+ diff = val - nextmin;
+ if (diff > 0) {
+ t = uv_to_utf8(tmpbuf,nextmin);
+ sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
+ if (diff > 1) {
+ t = uv_to_utf8(tmpbuf, val - 1);
+ sv_catpvn(transv, "\377", 1);
+ sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
+ }
+ }
+ if (*s == 0xff)
+ val = utf8_to_uv(s+1, &ulen);
+ if (val >= nextmin)
+ nextmin = val + 1;
+ }
+ t = uv_to_utf8(tmpbuf,nextmin);
+ sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
+ t = uv_to_utf8(tmpbuf, 0x7fffffff);
+ sv_catpvn(transv, "\377", 1);
+ sv_catpvn(transv, (char*)tmpbuf, t - tmpbuf);
+ t = (U8*)SvPVX(transv);
+ tlen = SvCUR(transv);
+ tend = t + tlen;
+ }
+ else if (!rlen && !del) {
+ r = t; rlen = tlen; rend = tend;
+ }
+ if (!squash) {
+ if (to_utf && from_utf) { /* only counting characters */
+ if (t == r || (tlen == rlen && memEQ(t, r, tlen)))
+ o->op_private |= OPpTRANS_IDENTICAL;
+ }
+ else { /* straight latin-1 translation */
+ if (tlen == 4 && memEQ(t, "\0\377\303\277", 4) &&
+ rlen == 4 && memEQ(r, "\0\377\303\277", 4))
+ o->op_private |= OPpTRANS_IDENTICAL;
+ }
+ }
+
+ while (t < tend || tfirst <= tlast) {
+ /* see if we need more "t" chars */
+ if (tfirst > tlast) {
+ tfirst = (I32)utf8_to_uv(t, &ulen);
+ t += ulen;
+ if (t < tend && *t == 0xff) { /* illegal utf8 val indicates range */
+ tlast = (I32)utf8_to_uv(++t, &ulen);
+ t += ulen;
+ }
+ else
+ tlast = tfirst;
+ }
+
+ /* now see if we need more "r" chars */
+ if (rfirst > rlast) {
+ if (r < rend) {
+ rfirst = (I32)utf8_to_uv(r, &ulen);
+ r += ulen;
+ if (r < rend && *r == 0xff) { /* illegal utf8 val indicates range */
+ rlast = (I32)utf8_to_uv(++r, &ulen);
+ r += ulen;
+ }
+ else
+ rlast = rfirst;
+ }
+ else {
+ if (!havefinal++)
+ final = rlast;
+ rfirst = rlast = 0xffffffff;
+ }
+ }
+
+ /* now see which range will peter our first, if either. */
+ tdiff = tlast - tfirst;
+ rdiff = rlast - rfirst;
+
+ if (tdiff <= rdiff)
+ diff = tdiff;
+ else
+ diff = rdiff;
+
+ if (rfirst == 0xffffffff) {
+ diff = tdiff; /* oops, pretend rdiff is infinite */
+ if (diff > 0)
+ sv_catpvf(listsv, "%04x\t%04x\tXXXX\n", tfirst, tlast);
+ else
+ sv_catpvf(listsv, "%04x\t\tXXXX\n", tfirst);
+ }
+ else {
+ if (diff > 0)
+ sv_catpvf(listsv, "%04x\t%04x\t%04x\n", tfirst, tfirst + diff, rfirst);
+ else
+ sv_catpvf(listsv, "%04x\t\t%04x\n", tfirst, rfirst);
+
+ if (rfirst + diff > max)
+ max = rfirst + diff;
+ rfirst += diff + 1;
+ if (!grows) {
+ if (rfirst <= 0x80)
+ ;
+ else if (rfirst <= 0x800)
+ grows |= (tfirst < 0x80);
+ else if (rfirst <= 0x10000)
+ grows |= (tfirst < 0x800);
+ else if (rfirst <= 0x200000)
+ grows |= (tfirst < 0x10000);
+ else if (rfirst <= 0x4000000)
+ grows |= (tfirst < 0x200000);
+ else if (rfirst <= 0x80000000)
+ grows |= (tfirst < 0x4000000);
+ }
+ }
+ tfirst += diff + 1;
+ }
+
+ none = ++max;
+ if (del)
+ del = ++max;
+
+ if (max > 0xffff)
+ bits = 32;
+ else if (max > 0xff)
+ bits = 16;
+ else
+ bits = 8;
+
+ cSVOPo->op_sv = (SV*)swash_init("utf8", "", listsv, bits, none);
+ SvREFCNT_dec(listsv);
+ if (transv)
+ SvREFCNT_dec(transv);
+
+ if (!del && havefinal)
+ (void)hv_store((HV*)SvRV((cSVOPo->op_sv)), "FINAL", 5, newSViv((IV)final), 0);
+
+ if (grows && to_utf)
+ o->op_private |= OPpTRANS_GROWS;
+
+ op_free(expr);
+ op_free(repl);
+ return o;
+ }
+
+ tbl = (short*)cPVOPo->op_pv;
if (complement) {
Zero(tbl, 256, short);
for (i = 0; i < tlen; i++)
for (i = 0, j = 0; i < 256; i++) {
if (!tbl[i]) {
if (j >= rlen) {
- if (Delete)
+ if (del)
tbl[i] = -2;
else if (rlen)
tbl[i] = r[j-1];
}
}
else {
- if (!rlen && !Delete) {
+ if (!rlen && !del) {
r = t; rlen = tlen;
if (!squash)
- o->op_private |= OPpTRANS_COUNTONLY;
+ o->op_private |= OPpTRANS_IDENTICAL;
}
for (i = 0; i < 256; i++)
tbl[i] = -1;
for (i = 0, j = 0; i < tlen; i++,j++) {
if (j >= rlen) {
- if (Delete) {
+ if (del) {
if (tbl[t[i]] == -1)
tbl[t[i]] = -2;
continue;
OP *rqop;
OP *imop;
OP *veop;
+ GV *gv;
if (id->op_type != OP_CONST)
croak("Module name must be constant");
newUNOP(OP_METHOD, 0, meth)));
}
- /* Fake up a require */
- rqop = newUNOP(OP_REQUIRE, 0, id);
+ /* Fake up a require, handle override, if any */
+ gv = gv_fetchpv("require", FALSE, SVt_PVCV);
+ if (!(gv && GvIMPORTED_CV(gv)))
+ gv = gv_fetchpv("CORE::GLOBAL::require", FALSE, SVt_PVCV);
+
+ if (gv && GvIMPORTED_CV(gv)) {
+ rqop = ck_subr(newUNOP(OP_ENTERSUB, OPf_STACKED,
+ append_elem(OP_LIST, id,
+ scalar(newUNOP(OP_RV2CV, 0,
+ newGVOP(OP_GV, 0,
+ gv))))));
+ }
+ else {
+ rqop = newUNOP(OP_REQUIRE, 0, id);
+ }
/* Fake up the BEGIN {}, which does its thing immediately. */
newSUB(floor,
}
OP *
+dofile(OP *term)
+{
+ OP *doop;
+ GV *gv;
+
+ gv = gv_fetchpv("do", FALSE, SVt_PVCV);
+ if (!(gv && GvIMPORTED_CV(gv)))
+ gv = gv_fetchpv("CORE::GLOBAL::do", FALSE, SVt_PVCV);
+
+ if (gv && GvIMPORTED_CV(gv)) {
+ doop = ck_subr(newUNOP(OP_ENTERSUB, OPf_STACKED,
+ append_elem(OP_LIST, term,
+ scalar(newUNOP(OP_RV2CV, 0,
+ newGVOP(OP_GV, 0,
+ gv))))));
+ }
+ else {
+ doop = newUNOP(OP_DOFILE, 0, scalar(term));
+ }
+ return doop;
+}
+
+OP *
newSLICEOP(I32 flags, OP *subscript, OP *listval)
{
return newBINOP(OP_LSLICE, flags,
cop->op_ppaddr = ppaddr[ OP_NEXTSTATE ];
}
cop->op_flags = flags;
- cop->op_private = 0 | (flags >> 8);
+ cop->op_private = (PL_hints & HINT_UTF8);
#ifdef NATIVE_HINTS
cop->op_private |= NATIVE_HINTS;
#endif
+ PL_compiling.op_private = cop->op_private;
cop->op_next = (OP*)cop;
if (label) {
}
cop->cop_seq = seq;
cop->cop_arybase = PL_curcop->cop_arybase;
+ if (PL_curcop->cop_warnings == WARN_NONE
+ || PL_curcop->cop_warnings == WARN_ALL)
+ cop->cop_warnings = PL_curcop->cop_warnings ;
+ else
+ cop->cop_warnings = newSVsv(PL_curcop->cop_warnings) ;
+
if (PL_copline == NOLINE)
cop->cop_line = PL_curcop->cop_line;
svp = AvARRAY(PL_comppad_name);
for (i = PL_min_intro_pending; i <= PL_max_intro_pending; i++) {
if ((sv = svp[i]) && sv != &PL_sv_undef && !SvIVX(sv)) {
- SvIVX(sv) = 999999999; /* Don't know scope end yet. */
+ SvIVX(sv) = PAD_MAX; /* Don't know scope end yet. */
SvNVX(sv) = (double)PL_cop_seqmax;
}
}
}
}
if (first->op_type == OP_CONST) {
- if (PL_dowarn && (first->op_private & OPpCONST_BARE))
- warn("Probable precedence problem on %s", op_desc[type]);
+ if (ckWARN(WARN_PRECEDENCE) && (first->op_private & OPpCONST_BARE))
+ warner(WARN_PRECEDENCE, "Probable precedence problem on %s",
+ op_desc[type]);
if ((type == OP_AND) == (SvTRUE(((SVOP*)first)->op_sv))) {
op_free(first);
*firstp = Nullop;
else
scalar(other);
}
- else if (PL_dowarn && (first->op_flags & OPf_KIDS)) {
+ else if (ckWARN(WARN_UNSAFE) && (first->op_flags & OPf_KIDS)) {
OP *k1 = ((UNOP*)first)->op_first;
OP *k2 = k1->op_sibling;
OPCODE warnop = 0;
if (warnop) {
line_t oldline = PL_curcop->cop_line;
PL_curcop->cop_line = PL_copline;
- warn("Value of %s%s can be \"0\"; test with defined()",
+ warner(WARN_UNSAFE,
+ "Value of %s%s can be \"0\"; test with defined()",
op_desc[warnop],
((warnop == OP_READLINE || warnop == OP_GLOB)
? " construct" : "() operator"));
cv,
(CvANON(cv) ? "ANON"
: (cv == PL_main_cv) ? "MAIN"
- : CvUNIQUE(outside) ? "UNIQUE"
+ : CvUNIQUE(cv) ? "UNIQUE"
: CvGV(cv) ? GvNAME(CvGV(cv)) : "UNDEFINED"),
outside,
(!outside ? "null"
char *name = SvPVX(namesv); /* XXX */
if (SvFLAGS(namesv) & SVf_FAKE) { /* lexical from outside? */
I32 off = pad_findlex(name, ix, SvIVX(namesv),
- CvOUTSIDE(cv), cxstack_ix);
+ CvOUTSIDE(cv), cxstack_ix, 0);
if (!off)
PL_curpad[ix] = SvREFCNT_inc(ppad[ix]);
else if (off != ix)
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) || PL_dowarn && !(CvGV(cv) && GvSTASH(CvGV(cv))
+ if ((const_sv && const_changed) || ckWARN(WARN_REDEFINE)
+ && !(CvGV(cv) && GvSTASH(CvGV(cv))
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))),
"autouse"))) {
line_t oldline = PL_curcop->cop_line;
PL_curcop->cop_line = PL_copline;
- warn(const_sv ? "Constant subroutine %s redefined"
- : "Subroutine %s redefined", name);
+ warner(WARN_REDEFINE,
+ const_sv ? "Constant subroutine %s redefined"
+ : "Subroutine %s redefined", name);
PL_curcop->cop_line = oldline;
}
SvREFCNT_dec(cv);
CvSTASH(cv) = PL_curstash;
#ifdef USE_THREADS
CvOWNER(cv) = 0;
- if (!CvMUTEXP(cv))
+ if (!CvMUTEXP(cv)) {
New(666, CvMUTEXP(cv), 1, perl_mutex);
- MUTEX_INIT(CvMUTEXP(cv));
+ MUTEX_INIT(CvMUTEXP(cv));
+ }
#endif /* USE_THREADS */
if (ps)
call_list(oldscope, PL_beginav);
PL_curcop = &PL_compiling;
+ PL_compiling.op_private = PL_hints;
LEAVE;
}
else if (strEQ(s, "END") && !PL_error_count) {
}
else if (CvROOT(cv) || CvXSUB(cv) || GvASSUMECV(gv)) {
/* already defined (or promised) */
- if (PL_dowarn && !(CvGV(cv) && GvSTASH(CvGV(cv))
+ if (ckWARN(WARN_REDEFINE) && !(CvGV(cv) && GvSTASH(CvGV(cv))
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))), "autouse"))) {
line_t oldline = PL_curcop->cop_line;
- PL_curcop->cop_line = PL_copline;
- warn("Subroutine %s redefined",name);
+ if (PL_copline != NOLINE)
+ PL_curcop->cop_line = PL_copline;
+ warner(WARN_REDEFINE, "Subroutine %s redefined",name);
PL_curcop->cop_line = oldline;
}
SvREFCNT_dec(cv);
if (!PL_initav)
PL_initav = newAV();
av_push(PL_initav, (SV *)cv);
+ GvCV(gv) = 0;
}
}
else
gv = gv_fetchpv(name,TRUE, SVt_PVFM);
GvMULTI_on(gv);
if (cv = GvFORM(gv)) {
- if (PL_dowarn) {
+ if (ckWARN(WARN_REDEFINE)) {
line_t oldline = PL_curcop->cop_line;
PL_curcop->cop_line = PL_copline;
- warn("Format %s redefined",name);
+ warner(WARN_REDEFINE, "Format %s redefined",name);
PL_curcop->cop_line = oldline;
}
SvREFCNT_dec(cv);
case OP_PADSV:
o->op_type = OP_PADAV;
o->op_ppaddr = ppaddr[OP_PADAV];
- return ref(newUNOP(OP_RV2AV, 0, scalar(o)), OP_RV2AV);
+ return ref(o, OP_RV2AV);
case OP_RV2SV:
o->op_type = OP_RV2AV;
case OP_PADAV:
o->op_type = OP_PADHV;
o->op_ppaddr = ppaddr[OP_PADHV];
- return ref(newUNOP(OP_RV2HV, 0, scalar(o)), OP_RV2HV);
+ return ref(o, OP_RV2HV);
case OP_RV2SV:
case OP_RV2AV:
char *name;
int iscv;
GV *gv;
+ SV *kidsv = kid->op_sv;
- name = SvPV(kid->op_sv, PL_na);
+ /* Is it a constant from cv_const_sv()? */
+ if (SvROK(kidsv) && SvREADONLY(kidsv)) {
+ SV *rsv = SvRV(kidsv);
+ int svtype = SvTYPE(rsv);
+ char *badtype = Nullch;
+
+ switch (o->op_type) {
+ case OP_RV2SV:
+ if (svtype > SVt_PVMG)
+ badtype = "a SCALAR";
+ break;
+ case OP_RV2AV:
+ if (svtype != SVt_PVAV)
+ badtype = "an ARRAY";
+ break;
+ case OP_RV2HV:
+ if (svtype != SVt_PVHV) {
+ if (svtype == SVt_PVAV) { /* pseudohash? */
+ SV **ksv = av_fetch((AV*)rsv, 0, FALSE);
+ if (ksv && SvROK(*ksv)
+ && SvTYPE(SvRV(*ksv)) == SVt_PVHV)
+ {
+ break;
+ }
+ }
+ badtype = "a HASH";
+ }
+ break;
+ case OP_RV2CV:
+ if (svtype != SVt_PVCV)
+ badtype = "a CODE";
+ break;
+ }
+ if (badtype)
+ croak("Constant is not %s reference", badtype);
+ return o;
+ }
+ name = SvPV(kidsv, PL_na);
if ((PL_hints & HINT_STRICT_REFS) && (kid->op_private & OPpCONST_BARE)) {
char *badthing = Nullch;
switch (o->op_type) {
char *name = SvPVx(((SVOP*)kid)->op_sv, PL_na);
OP *newop = newAVREF(newGVOP(OP_GV, 0,
gv_fetchpv(name, TRUE, SVt_PVAV) ));
- if (PL_dowarn)
- warn("Array @%s missing the @ in argument %ld of %s()",
+ if (ckWARN(WARN_SYNTAX))
+ warner(WARN_SYNTAX,
+ "Array @%s missing the @ in argument %ld of %s()",
name, (long)numargs, op_desc[type]);
op_free(kid);
kid = newop;
char *name = SvPVx(((SVOP*)kid)->op_sv, PL_na);
OP *newop = newHVREF(newGVOP(OP_GV, 0,
gv_fetchpv(name, TRUE, SVt_PVHV) ));
- if (PL_dowarn)
- warn("Hash %%%s missing the %% in argument %ld of %s()",
+ if (ckWARN(WARN_SYNTAX))
+ warner(WARN_SYNTAX,
+ "Hash %%%s missing the %% in argument %ld of %s()",
name, (long)numargs, op_desc[type]);
op_free(kid);
kid = newop;
{
if (o->op_flags & OPf_KIDS) {
OP *kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
+ if (kid)
+ kid = kid->op_sibling; /* get past "big" */
if (kid && kid->op_type == OP_CONST)
fbm_compile(((SVOP*)kid)->op_sv, 0);
}
o->op_seq = PL_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_EXEC:
o->op_seq = PL_op_seqmax++;
- if (PL_dowarn && o->op_next && o->op_next->op_type == OP_NEXTSTATE) {
+ if (ckWARN(WARN_SYNTAX) && 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 &&
line_t oldline = PL_curcop->cop_line;
PL_curcop->cop_line = ((COP*)o->op_next)->cop_line;
- warn("Statement unlikely to be reached");
- warn("(Maybe you meant system() when you said exec()?)\n");
+ warner(WARN_SYNTAX, "Statement unlikely to be reached");
+ warner(WARN_SYNTAX, "(Maybe you meant system() when you said exec()?)\n");
PL_curcop->cop_line = oldline;
}
}