{
dVAR; dSP; dTOPss;
+ SvGETMAGIC(sv);
if (SvROK(sv)) {
wasref:
tryAMAGICunDEREF(to_gv);
}
else {
if (!isGV_with_GP(sv)) {
- if (SvGMAGICAL(sv)) {
- mg_get(sv);
- if (SvROK(sv))
- goto wasref;
- }
if (!SvOK(sv) && sv != &PL_sv_undef) {
/* If this is a 'my' scalar and flag is set then vivify
* NI-S 1999/05/07
dVAR; dSP; dTOPss;
GV *gv = NULL;
+ if (!(PL_op->op_private & OPpDEREFed))
+ SvGETMAGIC(sv);
if (SvROK(sv)) {
- wasref:
tryAMAGICunDEREF(to_sv);
sv = SvRV(sv);
gv = MUTABLE_GV(sv);
if (!isGV_with_GP(gv)) {
- if (SvGMAGICAL(sv)) {
- mg_get(sv);
- if (SvROK(sv))
- goto wasref;
- }
gv = Perl_softref2xv(aTHX_ sv, "a SCALAR", SVt_PV, &sp);
if (!gv)
RETURN;
const U8 *const send = s + len;
U8 tmpbuf[UTF8_MAXBYTES+1];
-/* This is ifdefd out because it needs more work and thought. It isn't clear
- * that we should do it. These are hard-coded rules from the Unicode standard,
- * and may change. 5.2 gives new guidance on the iota subscript, for example,
- * which has not been checked against this; and secondly it may be that we are
- * passed a subset of the context, via a \U...\E, for example, and its not
- * clear what the best approach is to that */
-#ifdef CONTEXT_DEPENDENT_CASING
+ /* All occurrences of these are to be moved to follow any other marks.
+ * This is context-dependent. We may not be passed enough context to
+ * move the iota subscript beyond all of them, but we do the best we can
+ * with what we're given. The result is always better than if we
+ * hadn't done this. And, the problem would only arise if we are
+ * passed a character without all its combining marks, which would be
+ * the caller's mistake. The information this is based on comes from a
+ * comment in Unicode SpecialCasing.txt, (and the Standard's text
+ * itself) and so can't be checked properly to see if it ever gets
+ * revised. But the likelihood of it changing is remote */
bool in_iota_subscript = FALSE;
-#endif
while (s < send) {
-#ifdef CONTEXT_DEPENDENT_CASING
if (in_iota_subscript && ! is_utf8_mark(s)) {
/* A non-mark. Time to output the iota subscript */
#define GREEK_CAPITAL_LETTER_IOTA 0x0399
CAT_UNI_TO_UTF8_TWO_BYTE(d, GREEK_CAPITAL_LETTER_IOTA);
in_iota_subscript = FALSE;
}
-#endif
/* See comments at the first instance in this file of this ifdef */
const STRLEN u = UTF8SKIP(s);
STRLEN ulen;
-#ifndef CONTEXT_DEPENDENT_CASING
- toUPPER_utf8(s, tmpbuf, &ulen);
-#else
const UV uv = toUPPER_utf8(s, tmpbuf, &ulen);
- if (uv == GREEK_CAPITAL_LETTER_IOTA && utf8_to_uvchr(s, 0) == COMBINING_GREEK_YPOGEGRAMMENI) {
+ if (uv == GREEK_CAPITAL_LETTER_IOTA
+ && utf8_to_uvchr(s, 0) == COMBINING_GREEK_YPOGEGRAMMENI)
+ {
in_iota_subscript = TRUE;
}
else {
-#endif
if (ulen > u && (SvLEN(dest) < (min += ulen - u))) {
/* If the eventually required minimum size outgrows
* the available space, we need to grow. */
/* If someone uppercases one million U+03B0s we
* SvGROW() one million times. Or we could try
* guessing how much to allocate without allocating too
- * much. Such is life. See corresponding comment in lc code
- * for another option */
+ * much. Such is life. See corresponding comment in
+ * lc code for another option */
SvGROW(dest, min);
d = (U8*)SvPVX(dest) + o;
}
Copy(tmpbuf, d, ulen, U8);
d += ulen;
-#ifdef CONTEXT_DEPENDENT_CASING
}
-#endif
s += u;
}
}
-#ifdef CONTEXT_DEPENDENT_CASING
- if (in_iota_subscript) CAT_UNI_TO_UTF8_TWO_BYTE(d, GREEK_CAPITAL_LETTER_IOTA);
-#endif
+ if (in_iota_subscript) {
+ CAT_UNI_TO_UTF8_TWO_BYTE(d, GREEK_CAPITAL_LETTER_IOTA);
+ }
SvUTF8_on(dest);
*d = '\0';
SvCUR_set(dest, d - (U8*)SvPVX_const(dest));
- } else { /* Not UTF-8 */
+ }
+ else { /* Not UTF-8 */
if (len) {
const U8 *const send = s + len;
const STRLEN u = UTF8SKIP(s);
STRLEN ulen;
-/* See comments at the first instance in this file of this ifdef */
#ifndef CONTEXT_DEPENDENT_CASING
toLOWER_utf8(s, tmpbuf, &ulen);
#else
- /* Here is context dependent casing, not compiled in currently;
- * needs more thought and work */
+/* This is ifdefd out because it needs more work and thought. It isn't clear
+ * that we should do it.
+ * A minor objection is that this is based on a hard-coded rule from the
+ * Unicode standard, and may change, but this is not very likely at all.
+ * mktables should check and warn if it does.
+ * More importantly, if the sigma occurs at the end of the string, we don't
+ * have enough context to know whether it is part of a larger string or going
+ * to be or not. It may be that we are passed a subset of the context, via
+ * a \U...\E, for example, and we could conceivably know the larger context if
+ * code were changed to pass that in. But, if the string passed in is an
+ * intermediate result, and the user concatenates two strings together
+ * after we have made a final sigma, that would be wrong. If the final sigma
+ * occurs in the middle of the string we are working on, then we know that it
+ * should be a final sigma, but otherwise we can't be sure. */
const UV uv = toLOWER_utf8(s, tmpbuf, &ulen);
sv_setsv(sv, *MARK);
av_store(ary, AvFILLp(ary)+1, sv);
}
- if (PL_delaymagic & DM_ARRAY)
+ if (PL_delaymagic & DM_ARRAY_ISA)
mg_set(MUTABLE_SV(ary));
PL_delaymagic = 0;
register I32 tmp;
dTARGET;
STRLEN len;
- PADOFFSET padoff_du;
SvUTF8_off(TARG); /* decontaminate */
if (SP - MARK > 1)
do_join(TARG, &PL_sv_no, MARK, SP);
else {
- sv_setsv(TARG, (SP > MARK)
- ? *SP
- : (padoff_du = find_rundefsvoffset(),
- (padoff_du == NOT_IN_PAD
- || PAD_COMPNAME_FLAGS_isOUR(padoff_du))
- ? DEFSV : PAD_SVl(padoff_du)));
-
+ sv_setsv(TARG, SP > MARK ? *SP : find_rundefsv());
if (! SvOK(TARG) && ckWARN(WARN_UNINITIALIZED))
report_uninit(TARG);
}
projects / p5sagit/p5-mst-13.2.git / blobdiff