It was never part of the public API, and only ever used by pp_{s,}cho{,m}p.
}
void
-Perl_do_chomp(pTHX_ SV *retval, SV *sv, bool chomping)
-{
- dVAR;
- STRLEN len;
- char *s;
-
- PERL_ARGS_ASSERT_DO_CHOMP;
-
- if (chomping && (RsSNARF(PL_rs) || RsRECORD(PL_rs)))
- return;
- if (SvTYPE(sv) == SVt_PVAV) {
- register I32 i;
- AV *const av = MUTABLE_AV(sv);
- const I32 max = AvFILL(av);
-
- for (i = 0; i <= max; i++) {
- sv = MUTABLE_SV(av_fetch(av, i, FALSE));
- if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
- do_chomp(retval, sv, chomping);
- }
- return;
- }
- else if (SvTYPE(sv) == SVt_PVHV) {
- HV* const hv = MUTABLE_HV(sv);
- HE* entry;
- (void)hv_iterinit(hv);
- while ((entry = hv_iternext(hv)))
- do_chomp(retval, hv_iterval(hv,entry), chomping);
- return;
- }
- else if (SvREADONLY(sv)) {
- if (SvFAKE(sv)) {
- /* SV is copy-on-write */
- sv_force_normal_flags(sv, 0);
- }
- if (SvREADONLY(sv))
- Perl_croak_no_modify(aTHX);
- }
-
- if (PL_encoding) {
- if (!SvUTF8(sv)) {
- /* XXX, here sv is utf8-ized as a side-effect!
- If encoding.pm is used properly, almost string-generating
- operations, including literal strings, chr(), input data, etc.
- should have been utf8-ized already, right?
- */
- sv_recode_to_utf8(sv, PL_encoding);
- }
- }
-
- s = SvPV(sv, len);
- if (chomping) {
- char *temp_buffer = NULL;
- SV* svrecode = NULL;
-
- if (s && len) {
- s += --len;
- if (RsPARA(PL_rs)) {
- if (*s != '\n')
- goto nope;
- ++SvIVX(retval);
- while (len && s[-1] == '\n') {
- --len;
- --s;
- ++SvIVX(retval);
- }
- }
- else {
- STRLEN rslen, rs_charlen;
- const char *rsptr = SvPV_const(PL_rs, rslen);
-
- rs_charlen = SvUTF8(PL_rs)
- ? sv_len_utf8(PL_rs)
- : rslen;
-
- if (SvUTF8(PL_rs) != SvUTF8(sv)) {
- /* Assumption is that rs is shorter than the scalar. */
- if (SvUTF8(PL_rs)) {
- /* RS is utf8, scalar is 8 bit. */
- bool is_utf8 = TRUE;
- temp_buffer = (char*)bytes_from_utf8((U8*)rsptr,
- &rslen, &is_utf8);
- if (is_utf8) {
- /* Cannot downgrade, therefore cannot possibly match
- */
- assert (temp_buffer == rsptr);
- temp_buffer = NULL;
- goto nope;
- }
- rsptr = temp_buffer;
- }
- else if (PL_encoding) {
- /* RS is 8 bit, encoding.pm is used.
- * Do not recode PL_rs as a side-effect. */
- svrecode = newSVpvn(rsptr, rslen);
- sv_recode_to_utf8(svrecode, PL_encoding);
- rsptr = SvPV_const(svrecode, rslen);
- rs_charlen = sv_len_utf8(svrecode);
- }
- else {
- /* RS is 8 bit, scalar is utf8. */
- temp_buffer = (char*)bytes_to_utf8((U8*)rsptr, &rslen);
- rsptr = temp_buffer;
- }
- }
- if (rslen == 1) {
- if (*s != *rsptr)
- goto nope;
- ++SvIVX(retval);
- }
- else {
- if (len < rslen - 1)
- goto nope;
- len -= rslen - 1;
- s -= rslen - 1;
- if (memNE(s, rsptr, rslen))
- goto nope;
- SvIVX(retval) += rs_charlen;
- }
- }
- s = SvPV_force_nolen(sv);
- SvCUR_set(sv, len);
- *SvEND(sv) = '\0';
- SvNIOK_off(sv);
- SvSETMAGIC(sv);
- }
- nope:
-
- SvREFCNT_dec(svrecode);
-
- Safefree(temp_buffer);
- } else {
- if (len && !SvPOK(sv))
- s = SvPV_force_nomg(sv, len);
- if (DO_UTF8(sv)) {
- if (s && len) {
- char * const send = s + len;
- char * const start = s;
- s = send - 1;
- while (s > start && UTF8_IS_CONTINUATION(*s))
- s--;
- if (is_utf8_string((U8*)s, send - s)) {
- sv_setpvn(retval, s, send - s);
- *s = '\0';
- SvCUR_set(sv, s - start);
- SvNIOK_off(sv);
- SvUTF8_on(retval);
- }
- }
- else
- sv_setpvs(retval, "");
- }
- else if (s && len) {
- s += --len;
- sv_setpvn(retval, s, 1);
- *s = '\0';
- SvCUR_set(sv, len);
- SvUTF8_off(sv);
- SvNIOK_off(sv);
- }
- else
- sv_setpvs(retval, "");
- SvSETMAGIC(sv);
- }
-}
-
-void
Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
{
dVAR;
p |bool |do_print |NULLOK SV* sv|NN PerlIO* fp
: Used in pp_sys.c
pR |OP* |do_readline
-: Used in pp.c
-p |void |do_chomp |NN SV *retval|NN SV *sv|bool chomping
: Defined in doio.c, used only in pp_sys.c
p |bool |do_seek |NULLOK GV* gv|Off_t pos|int whence
Ap |void |do_sprintf |NN SV* sv|I32 len|NN SV** sarg
#endif
#if defined(PERL_IN_PP_C)
+s |void |do_chomp |NN SV *retval|NN SV *sv|bool chomping
s |OP* |do_delete_local
sR |SV* |refto |NN SV* sv
#endif
#define delete_eval_scope() Perl_delete_eval_scope(aTHX)
#define die_unwind(a) Perl_die_unwind(aTHX_ a)
#define do_aexec5(a,b,c,d,e) Perl_do_aexec5(aTHX_ a,b,c,d,e)
-#define do_chomp(a,b,c) Perl_do_chomp(aTHX_ a,b,c)
#define do_dump_pad(a,b,c,d) Perl_do_dump_pad(aTHX_ a,b,c,d)
#define do_eof(a) Perl_do_eof(aTHX_ a)
#define do_execfree() Perl_do_execfree(aTHX)
#define usage(a) S_usage(aTHX_ a)
# endif
# if defined(PERL_IN_PP_C)
+#define do_chomp(a,b,c) S_do_chomp(aTHX_ a,b,c)
#define do_delete_local() S_do_delete_local(aTHX)
#define refto(a) S_refto(aTHX_ a)
# endif
/* Lvalue operators. */
+static void
+S_do_chomp(pTHX_ SV *retval, SV *sv, bool chomping)
+{
+ dVAR;
+ STRLEN len;
+ char *s;
+
+ PERL_ARGS_ASSERT_DO_CHOMP;
+
+ if (chomping && (RsSNARF(PL_rs) || RsRECORD(PL_rs)))
+ return;
+ if (SvTYPE(sv) == SVt_PVAV) {
+ I32 i;
+ AV *const av = MUTABLE_AV(sv);
+ const I32 max = AvFILL(av);
+
+ for (i = 0; i <= max; i++) {
+ sv = MUTABLE_SV(av_fetch(av, i, FALSE));
+ if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
+ do_chomp(retval, sv, chomping);
+ }
+ return;
+ }
+ else if (SvTYPE(sv) == SVt_PVHV) {
+ HV* const hv = MUTABLE_HV(sv);
+ HE* entry;
+ (void)hv_iterinit(hv);
+ while ((entry = hv_iternext(hv)))
+ do_chomp(retval, hv_iterval(hv,entry), chomping);
+ return;
+ }
+ else if (SvREADONLY(sv)) {
+ if (SvFAKE(sv)) {
+ /* SV is copy-on-write */
+ sv_force_normal_flags(sv, 0);
+ }
+ if (SvREADONLY(sv))
+ Perl_croak_no_modify(aTHX);
+ }
+
+ if (PL_encoding) {
+ if (!SvUTF8(sv)) {
+ /* XXX, here sv is utf8-ized as a side-effect!
+ If encoding.pm is used properly, almost string-generating
+ operations, including literal strings, chr(), input data, etc.
+ should have been utf8-ized already, right?
+ */
+ sv_recode_to_utf8(sv, PL_encoding);
+ }
+ }
+
+ s = SvPV(sv, len);
+ if (chomping) {
+ char *temp_buffer = NULL;
+ SV *svrecode = NULL;
+
+ if (s && len) {
+ s += --len;
+ if (RsPARA(PL_rs)) {
+ if (*s != '\n')
+ goto nope;
+ ++SvIVX(retval);
+ while (len && s[-1] == '\n') {
+ --len;
+ --s;
+ ++SvIVX(retval);
+ }
+ }
+ else {
+ STRLEN rslen, rs_charlen;
+ const char *rsptr = SvPV_const(PL_rs, rslen);
+
+ rs_charlen = SvUTF8(PL_rs)
+ ? sv_len_utf8(PL_rs)
+ : rslen;
+
+ if (SvUTF8(PL_rs) != SvUTF8(sv)) {
+ /* Assumption is that rs is shorter than the scalar. */
+ if (SvUTF8(PL_rs)) {
+ /* RS is utf8, scalar is 8 bit. */
+ bool is_utf8 = TRUE;
+ temp_buffer = (char*)bytes_from_utf8((U8*)rsptr,
+ &rslen, &is_utf8);
+ if (is_utf8) {
+ /* Cannot downgrade, therefore cannot possibly match
+ */
+ assert (temp_buffer == rsptr);
+ temp_buffer = NULL;
+ goto nope;
+ }
+ rsptr = temp_buffer;
+ }
+ else if (PL_encoding) {
+ /* RS is 8 bit, encoding.pm is used.
+ * Do not recode PL_rs as a side-effect. */
+ svrecode = newSVpvn(rsptr, rslen);
+ sv_recode_to_utf8(svrecode, PL_encoding);
+ rsptr = SvPV_const(svrecode, rslen);
+ rs_charlen = sv_len_utf8(svrecode);
+ }
+ else {
+ /* RS is 8 bit, scalar is utf8. */
+ temp_buffer = (char*)bytes_to_utf8((U8*)rsptr, &rslen);
+ rsptr = temp_buffer;
+ }
+ }
+ if (rslen == 1) {
+ if (*s != *rsptr)
+ goto nope;
+ ++SvIVX(retval);
+ }
+ else {
+ if (len < rslen - 1)
+ goto nope;
+ len -= rslen - 1;
+ s -= rslen - 1;
+ if (memNE(s, rsptr, rslen))
+ goto nope;
+ SvIVX(retval) += rs_charlen;
+ }
+ }
+ s = SvPV_force_nolen(sv);
+ SvCUR_set(sv, len);
+ *SvEND(sv) = '\0';
+ SvNIOK_off(sv);
+ SvSETMAGIC(sv);
+ }
+ nope:
+
+ SvREFCNT_dec(svrecode);
+
+ Safefree(temp_buffer);
+ } else {
+ if (len && !SvPOK(sv))
+ s = SvPV_force_nomg(sv, len);
+ if (DO_UTF8(sv)) {
+ if (s && len) {
+ char * const send = s + len;
+ char * const start = s;
+ s = send - 1;
+ while (s > start && UTF8_IS_CONTINUATION(*s))
+ s--;
+ if (is_utf8_string((U8*)s, send - s)) {
+ sv_setpvn(retval, s, send - s);
+ *s = '\0';
+ SvCUR_set(sv, s - start);
+ SvNIOK_off(sv);
+ SvUTF8_on(retval);
+ }
+ }
+ else
+ sv_setpvs(retval, "");
+ }
+ else if (s && len) {
+ s += --len;
+ sv_setpvn(retval, s, 1);
+ *s = '\0';
+ SvCUR_set(sv, len);
+ SvUTF8_off(sv);
+ SvNIOK_off(sv);
+ }
+ else
+ sv_setpvs(retval, "");
+ SvSETMAGIC(sv);
+ }
+}
+
PP(pp_schop)
{
dVAR; dSP; dTARGET;
#define PERL_ARGS_ASSERT_DO_BINMODE \
assert(fp)
-PERL_CALLCONV void Perl_do_chomp(pTHX_ SV *retval, SV *sv, bool chomping)
- __attribute__nonnull__(pTHX_1)
- __attribute__nonnull__(pTHX_2);
-#define PERL_ARGS_ASSERT_DO_CHOMP \
- assert(retval); assert(sv)
-
PERL_CALLCONV bool Perl_do_close(pTHX_ GV* gv, bool not_implicit);
PERL_CALLCONV void Perl_do_dump_pad(pTHX_ I32 level, PerlIO *file, PADLIST *padlist, int full)
__attribute__nonnull__(pTHX_2);
#endif
#if defined(PERL_IN_PP_C)
+STATIC void S_do_chomp(pTHX_ SV *retval, SV *sv, bool chomping)
+ __attribute__nonnull__(pTHX_1)
+ __attribute__nonnull__(pTHX_2);
+#define PERL_ARGS_ASSERT_DO_CHOMP \
+ assert(retval); assert(sv)
+
STATIC OP* S_do_delete_local(pTHX);
STATIC SV* S_refto(pTHX_ SV* sv)
__attribute__warn_unused_result__
projects / platform / upstream / perl.git / commitdiff