#define FEATURE_IS_ENABLED(name) \
((0 != (PL_hints & HINT_LOCALIZE_HH)) \
&& S_feature_is_enabled(aTHX_ STR_WITH_LEN(name)))
+/* The longest string we pass in. */
+#define MAX_FEATURE_LEN (sizeof("switch")-1)
+
/*
* S_feature_is_enabled
* Check whether the named feature is enabled.
{
dVAR;
HV * const hinthv = GvHV(PL_hintgv);
- char he_name[32] = "feature_";
- (void) my_strlcpy(&he_name[8], name, 24);
+ char he_name[8 + MAX_FEATURE_LEN] = "feature_";
+ assert(namelen <= MAX_FEATURE_LEN);
+ memcpy(&he_name[8], name, namelen);
return (hinthv && hv_exists(hinthv, he_name, 8 + namelen));
}
if (t - s > 0) {
const STRLEN len = t - s;
#ifndef USE_ITHREADS
- const char * const cf = CopFILE(PL_curcop);
- STRLEN tmplen = cf ? strlen(cf) : 0;
+ SV *const temp_sv = CopFILESV(PL_curcop);
+ const char *cf;
+ STRLEN tmplen;
+
+ if (temp_sv) {
+ cf = SvPVX(temp_sv);
+ tmplen = SvCUR(temp_sv);
+ } else {
+ cf = NULL;
+ tmplen = 0;
+ }
+
if (tmplen > 7 && strnEQ(cf, "(eval ", 6)) {
/* must copy *{"::_<(eval N)[oldfilename:L]"}
* to *{"::_<newfilename"} */
return 0;
}
-/*
- * S_incl_perldb
- * Return a string of Perl code to load the debugger. If PERL5DB
- * is set, it will return the contents of that, otherwise a
- * compile-time require of perl5db.pl.
- */
-
-STATIC const char*
-S_incl_perldb(pTHX)
-{
- dVAR;
- if (PL_perldb) {
- const char * const pdb = PerlEnv_getenv("PERL5DB");
-
- if (pdb)
- return pdb;
- SETERRNO(0,SS_NORMAL);
- return "BEGIN { require 'perl5db.pl' }";
- }
- return "";
-}
-
-
/* Encoded script support. filter_add() effectively inserts a
* 'pre-processing' function into the current source input stream.
* Note that the filter function only applies to the current source file
}
STATIC HV *
-S_find_in_my_stash(pTHX_ const char *pkgname, I32 len)
+S_find_in_my_stash(pTHX_ const char *pkgname, STRLEN len)
{
dVAR;
GV *gv;
if (gv && GvCV(gv)) {
SV * const sv = cv_const_sv(GvCV(gv));
if (sv)
- pkgname = SvPV_nolen_const(sv);
+ pkgname = SvPV_const(sv, len);
}
- return gv_stashpv(pkgname, 0);
+ return gv_stashpvn(pkgname, len, 0);
}
/*
if (PL_madskills)
PL_faketokens = 1;
#endif
- sv_setpv(PL_linestr,incl_perldb());
- if (SvCUR(PL_linestr))
- sv_catpvs(PL_linestr,";");
- if (PL_preambleav){
- while(AvFILLp(PL_preambleav) >= 0) {
- SV *tmpsv = av_shift(PL_preambleav);
- sv_catsv(PL_linestr, tmpsv);
+ if (PL_perldb) {
+ /* Generate a string of Perl code to load the debugger.
+ * If PERL5DB is set, it will return the contents of that,
+ * otherwise a compile-time require of perl5db.pl. */
+
+ const char * const pdb = PerlEnv_getenv("PERL5DB");
+
+ if (pdb) {
+ sv_setpv(PL_linestr, pdb);
+ sv_catpvs(PL_linestr,";");
+ } else {
+ SETERRNO(0,SS_NORMAL);
+ sv_setpvs(PL_linestr, "BEGIN { require 'perl5db.pl' };");
+ }
+ } else
+ sv_setpvs(PL_linestr,"");
+ if (PL_preambleav) {
+ SV **svp = AvARRAY(PL_preambleav);
+ SV **const end = svp + AvFILLp(PL_preambleav);
+ while(svp <= end) {
+ sv_catsv(PL_linestr, *svp);
+ ++svp;
sv_catpvs(PL_linestr, ";");
- sv_free(tmpsv);
}
sv_free((SV*)PL_preambleav);
PL_preambleav = NULL;
if (PL_madskills)
PL_faketokens = 1;
#endif
- sv_setpv(PL_linestr,
- (const char *)
- (PL_minus_p
- ? ";}continue{print;}" : ";}"));
+ if (PL_minus_p)
+ sv_setpvs(PL_linestr, ";}continue{print;}");
+ else
+ sv_setpvs(PL_linestr, ";}");
PL_oldoldbufptr = PL_oldbufptr = s = PL_linestart = SvPVX(PL_linestr);
PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr);
PL_last_lop = PL_last_uni = NULL;
else if (!isALPHA(*start) && (PL_expect == XTERM
|| PL_expect == XREF || PL_expect == XSTATE
|| PL_expect == XTERMORDORDOR)) {
- /* XXX Use gv_fetchpvn rather than stomping on a const string */
- const char c = *start;
- GV *gv;
- *start = '\0';
- gv = gv_fetchpv(s, 0, SVt_PVCV);
- *start = c;
+ GV *const gv = gv_fetchpvn_flags(s, start - s, 0, SVt_PVCV);
if (!gv) {
s = scan_num(s, &yylval);
TERM(THING);
#ifdef PERL_MAD
if (PL_madskills && !PL_thistoken) {
char *start = SvPVX(PL_linestr) + PL_realtokenstart;
- PL_thistoken = newSVpv(start,s - start);
+ PL_thistoken = newSVpvn(start,s - start);
PL_realtokenstart = s - SvPVX(PL_linestr);
}
#endif
while (*proto == ';')
proto++;
if (*proto == '&' && *s == '{') {
- sv_setpv(PL_subname,
- (const char *)
- (PL_curstash ?
- "__ANON__" : "__ANON__::__ANON__"));
+ if (PL_curstash)
+ sv_setpvs(PL_subname, "__ANON__");
+ else
+ sv_setpvs(PL_subname, "__ANON__::__ANON__");
PREBLOCK(LSTOPSUB);
}
}
}
#endif
if (!have_name) {
- sv_setpv(PL_subname,
- (const char *)
- (PL_curstash ? "__ANON__" : "__ANON__::__ANON__"));
+ if (PL_curstash)
+ sv_setpvs(PL_subname, "__ANON__");
+ else
+ sv_setpvs(PL_subname, "__ANON__::__ANON__");
TOKEN(ANONSUB);
}
#ifndef PERL_MAD
PADOFFSET tmp = 0;
/* pit holds the identifier we read and pending_ident is reset */
char pit = PL_pending_ident;
+ const STRLEN tokenbuf_len = strlen(PL_tokenbuf);
+ /* All routes through this function want to know if there is a colon. */
+ const char *const has_colon = (const char*) memchr (PL_tokenbuf, ':', tokenbuf_len);
PL_pending_ident = 0;
/* PL_realtokenstart = realtokenend = PL_bufptr - SvPVX(PL_linestr); */
*/
if (PL_in_my) {
if (PL_in_my == KEY_our) { /* "our" is merely analogous to "my" */
- if (strchr(PL_tokenbuf,':'))
+ if (has_colon)
yyerror(Perl_form(aTHX_ "No package name allowed for "
"variable %s in \"our\"",
PL_tokenbuf));
tmp = allocmy(PL_tokenbuf);
}
else {
- if (strchr(PL_tokenbuf,':'))
+ if (has_colon)
yyerror(Perl_form(aTHX_ PL_no_myglob,
PL_in_my == KEY_my ? "my" : "state", PL_tokenbuf));
(although why you'd do that is anyone's guess).
*/
- if (!strchr(PL_tokenbuf,':')) {
+ if (!has_colon) {
if (!PL_in_my)
tmp = pad_findmy(PL_tokenbuf);
if (tmp != NOT_IN_PAD) {
HEK * const stashname = HvNAME_HEK(stash);
SV * const sym = newSVhek(stashname);
sv_catpvs(sym, "::");
- sv_catpv(sym, PL_tokenbuf+1);
+ sv_catpvn(sym, PL_tokenbuf+1, tokenbuf_len - 1);
yylval.opval = (OP*)newSVOP(OP_CONST, 0, sym);
yylval.opval->op_private = OPpCONST_ENTERED;
gv_fetchsv(sym,
table.
*/
if (pit == '@' && PL_lex_state != LEX_NORMAL && !PL_lex_brackets) {
- GV *gv = gv_fetchpv(PL_tokenbuf+1, 0, SVt_PVAV);
+ GV *const gv = gv_fetchpvn_flags(PL_tokenbuf + 1, tokenbuf_len - 1, 0,
+ SVt_PVAV);
if ((!gv || ((PL_tokenbuf[0] == '@') ? !GvAV(gv) : !GvHV(gv)))
&& ckWARN(WARN_AMBIGUOUS)
/* DO NOT warn for @- and @+ */
}
/* build ops for a bareword */
- yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(PL_tokenbuf+1, 0));
+ yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpvn(PL_tokenbuf + 1,
+ tokenbuf_len - 1));
yylval.opval->op_private = OPpCONST_ENTERED;
- gv_fetchpv(
- PL_tokenbuf+1,
+ gv_fetchpvn_flags(
+ PL_tokenbuf + 1, tokenbuf_len - 1,
/* If the identifier refers to a stash, don't autovivify it.
* Change 24660 had the side effect of causing symbol table
* hashes to always be defined, even if they were freshly
* tests still give the expected answers, even though what
* they're actually testing has now changed subtly.
*/
- (*PL_tokenbuf == '%' && *(d = PL_tokenbuf + strlen(PL_tokenbuf) - 1) == ':' && d[-1] == ':'
+ (*PL_tokenbuf == '%'
+ && *(d = PL_tokenbuf + tokenbuf_len - 1) == ':'
+ && d[-1] == ':'
? 0
: PL_in_eval ? (GV_ADDMULTI | GV_ADDINEVAL) : GV_ADD),
((PL_tokenbuf[0] == '$') ? SVt_PV
projects / p5sagit/p5-mst-13.2.git / blobdiff