#endif
#define CLINE (PL_copline = (CopLINE(PL_curcop) < PL_copline ? CopLINE(PL_curcop) : PL_copline))
-/* According to some strict interpretations of ANSI C89 one cannot
- * cast void pointers to code pointers or vice versa (as filter_add(),
- * filter_del(), and filter_read() will want to do). We should still
- * be able to use a union for sneaky "casting". */
-typedef union {
- XPVIO* iop;
- filter_t filter;
-} xpvio_filter_u;
-
/*
* Convenience functions to return different tokens and prime the
* lexer for the next token. They all take an argument.
* The UNIDOR macro is for unary functions that can be followed by the //
* operator (such as C<shift // 0>).
*/
-#define UNI2(f,x) return ( \
- yylval.ival = f, \
- PL_expect = x, \
- PL_bufptr = s, \
- PL_last_uni = PL_oldbufptr, \
- PL_last_lop_op = f, \
- REPORT( \
- (*s == '(' || (s = skipspace(s), *s == '(') \
- ? (int)FUNC1 : (int)UNIOP)))
+#define UNI2(f,x) { \
+ yylval.ival = f; \
+ PL_expect = x; \
+ PL_bufptr = s; \
+ PL_last_uni = PL_oldbufptr; \
+ PL_last_lop_op = f; \
+ if (*s == '(') \
+ return REPORT( (int)FUNC1 ); \
+ s = skipspace(s); \
+ return REPORT( *s=='(' ? (int)FUNC1 : (int)UNIOP ); \
+ }
#define UNI(f) UNI2(f,XTERM)
#define UNIDOR(f) UNI2(f,XTERMORDORDOR)
-#define UNIBRACK(f) return ( \
- yylval.ival = f, \
- PL_bufptr = s, \
- PL_last_uni = PL_oldbufptr, \
- REPORT( \
- (*s == '(' || (s = skipspace(s), *s == '(') \
- ? (int)FUNC1 : (int)UNIOP)))
+#define UNIBRACK(f) { \
+ yylval.ival = f; \
+ PL_bufptr = s; \
+ PL_last_uni = PL_oldbufptr; \
+ if (*s == '(') \
+ return REPORT( (int)FUNC1 ); \
+ s = skipspace(s); \
+ return REPORT( (*s == '(') ? (int)FUNC1 : (int)UNIOP ); \
+ }
/* grandfather return to old style */
#define OLDLOP(f) return(yylval.ival=f,PL_expect = XTERM,PL_bufptr = s,(int)LSTOP)
const char *name = Nullch;
enum token_type type = TOKENTYPE_NONE;
const struct debug_tokens *p;
- SV* report = newSVpvn("<== ", 4);
+ SV* const report = newSVpvn("<== ", 4);
for (p = debug_tokens; p->token; p++) {
if (p->token == (int)rv) {
if (PL_oldbufptr && *PL_oldbufptr)
sv_catpv(report, PL_tokenbuf);
}
- PerlIO_printf(Perl_debug_log, "### %s]\n", SvPV_nolen(report));
+ PerlIO_printf(Perl_debug_log, "### %s]\n", SvPV_nolen_const(report));
};
return (int)rv;
}
STATIC void
S_no_op(pTHX_ const char *what, char *s)
{
- char *oldbp = PL_bufptr;
- bool is_first = (PL_oldbufptr == PL_linestart);
+ char * const oldbp = PL_bufptr;
+ const bool is_first = (PL_oldbufptr == PL_linestart);
if (!s)
s = oldbp;
char tmpbuf[3];
char q;
if (s) {
- char *nl = strrchr(s,'\n');
+ char * const nl = strrchr(s,'\n');
if (nl)
*nl = '\0';
}
strip_return(SV *sv)
{
register const char *s = SvPVX_const(sv);
- register const char *e = s + SvCUR(sv);
+ register const char * const e = s + SvCUR(sv);
/* outer loop optimized to do nothing if there are no CR-LFs */
while (s < e) {
if (*s++ == '\r' && *s == '\n') {
void
Perl_lex_start(pTHX_ SV *line)
{
- char *s;
+ const char *s;
STRLEN len;
SAVEI32(PL_lex_dojoin);
PL_lex_defer = 0;
PL_expect = XSTATE;
PL_lex_brackets = 0;
- New(899, PL_lex_brackstack, 120, char);
- New(899, PL_lex_casestack, 12, char);
+ Newx(PL_lex_brackstack, 120, char);
+ Newx(PL_lex_casestack, 12, char);
PL_lex_casemods = 0;
*PL_lex_casestack = '\0';
PL_lex_dojoin = 0;
PL_linestr = line;
if (SvREADONLY(PL_linestr))
PL_linestr = sv_2mortal(newSVsv(PL_linestr));
- s = SvPV(PL_linestr, len);
+ s = SvPV_const(PL_linestr, len);
if (!len || s[len-1] != ';') {
if (!(SvFLAGS(PL_linestr) & SVs_TEMP))
PL_linestr = sv_2mortal(newSVsv(PL_linestr));
ch = *t;
*t = '\0';
if (t - s > 0) {
+#ifndef USE_ITHREADS
+ const char *cf = CopFILE(PL_curcop);
+ if (cf && strlen(cf) > 7 && strnEQ(cf, "(eval ", 6)) {
+ /* must copy *{"::_<(eval N)[oldfilename:L]"}
+ * to *{"::_<newfilename"} */
+ char smallbuf[256], smallbuf2[256];
+ char *tmpbuf, *tmpbuf2;
+ GV **gvp, *gv2;
+ STRLEN tmplen = strlen(cf);
+ STRLEN tmplen2 = strlen(s);
+ if (tmplen + 3 < sizeof smallbuf)
+ tmpbuf = smallbuf;
+ else
+ Newx(tmpbuf, tmplen + 3, char);
+ if (tmplen2 + 3 < sizeof smallbuf2)
+ tmpbuf2 = smallbuf2;
+ else
+ Newx(tmpbuf2, tmplen2 + 3, char);
+ tmpbuf[0] = tmpbuf2[0] = '_';
+ tmpbuf[1] = tmpbuf2[1] = '<';
+ memcpy(tmpbuf + 2, cf, ++tmplen);
+ memcpy(tmpbuf2 + 2, s, ++tmplen2);
+ ++tmplen; ++tmplen2;
+ gvp = (GV**)hv_fetch(PL_defstash, tmpbuf, tmplen, FALSE);
+ if (gvp) {
+ gv2 = *(GV**)hv_fetch(PL_defstash, tmpbuf2, tmplen2, TRUE);
+ if (!isGV(gv2))
+ gv_init(gv2, PL_defstash, tmpbuf2, tmplen2, FALSE);
+ /* adjust ${"::_<newfilename"} to store the new file name */
+ GvSV(gv2) = newSVpvn(tmpbuf2 + 2, tmplen2 - 2);
+ GvHV(gv2) = (HV*)SvREFCNT_inc(GvHV(*gvp));
+ GvAV(gv2) = (AV*)SvREFCNT_inc(GvAV(*gvp));
+ }
+ if (tmpbuf != smallbuf) Safefree(tmpbuf);
+ if (tmpbuf2 != smallbuf2) Safefree(tmpbuf2);
+ }
+#endif
CopFILE_free(PL_curcop);
CopFILE_set(PL_curcop, s);
}
* so store the line into the debugger's array of lines
*/
if (PERLDB_LINE && PL_curstash != PL_debstash) {
- SV *sv = NEWSV(85,0);
+ SV * const sv = NEWSV(85,0);
sv_upgrade(sv, SVt_PVMG);
sv_setpvn(sv,PL_bufptr,PL_bufend-PL_bufptr);
if ((t = strchr(s, '(')) && t < PL_bufptr)
return;
if (ckWARN_d(WARN_AMBIGUOUS)){
- char ch = *s;
+ const char ch = *s;
*s = '\0';
Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS),
"Warning: Use of \"%s\" without parentheses is ambiguous",
STATIC SV *
S_newSV_maybe_utf8(pTHX_ const char *start, STRLEN len)
{
- SV *sv = newSVpvn(start,len);
+ SV * const sv = newSVpvn(start,len);
if (UTF && !IN_BYTES && is_utf8_string((const U8*)start, len))
SvUTF8_on(sv);
return sv;
NV retval = 0.0;
NV nshift = 1.0;
STRLEN len;
- const char *start = SvPVx(sv,len);
- const char *end = start + len;
+ const char *start = SvPV_const(sv,len);
+ const char * const end = start + len;
const bool utf = SvUTF8(sv) ? TRUE : FALSE;
while (start < end) {
STRLEN skip;
version = yylval.opval;
ver = cSVOPx(version)->op_sv;
if (SvPOK(ver) && !SvNIOK(ver)) {
- (void)SvUPGRADE(ver, SVt_PVNV);
+ SvUPGRADE(ver, SVt_PVNV);
SvNV_set(ver, str_to_version(ver));
SvNOK_on(ver); /* hint that it is a version */
}
if (SvTYPE(sv) == SVt_PVIV) {
/* Overloaded constants, nothing fancy: Convert to SVt_PV: */
STRLEN len;
- const char *p = SvPV(sv, len);
+ const char *p = SvPV_const(sv, len);
SV * const nsv = newSVpvn(p, len);
if (SvUTF8(sv))
SvUTF8_on(nsv);
PL_lex_dojoin = FALSE;
PL_lex_brackets = 0;
- New(899, PL_lex_brackstack, 120, char);
- New(899, PL_lex_casestack, 12, char);
+ Newx(PL_lex_brackstack, 120, char);
+ Newx(PL_lex_casestack, 12, char);
PL_lex_casemods = 0;
*PL_lex_casestack = '\0';
PL_lex_starts = 0;
{
dVAR;
if (!PL_lex_starts++) {
- SV *sv = newSVpvn("",0);
+ SV * const sv = newSVpvn("",0);
if (SvUTF8(PL_linestr))
SvUTF8_on(sv);
PL_expect = XOPERATOR;
I32 has_utf8 = FALSE; /* Output constant is UTF8 */
I32 this_utf8 = UTF; /* The source string is assumed to be UTF8 */
UV uv;
+#ifdef EBCDIC
+ UV literal_endpoint = 0;
+#endif
const char *leaveit = /* set of acceptably-backslashed characters */
PL_lex_inpat
I32 max; /* last character in range */
if (has_utf8) {
- char *c = (char*)utf8_hop((U8*)d, -1);
+ char * const c = (char*)utf8_hop((U8*)d, -1);
char *e = d++;
while (e-- > c)
*(e + 1) = *e;
}
#ifdef EBCDIC
- if ((isLOWER(min) && isLOWER(max)) ||
- (isUPPER(min) && isUPPER(max))) {
+ if (literal_endpoint == 2 &&
+ ((isLOWER(min) && isLOWER(max)) ||
+ (isUPPER(min) && isUPPER(max)))) {
if (isLOWER(min)) {
for (i = min; i <= max; i++)
if (isLOWER(i))
/* mark the range as done, and continue */
dorange = FALSE;
didrange = TRUE;
+#ifdef EBCDIC
+ literal_endpoint = 0;
+#endif
continue;
}
}
else {
didrange = FALSE;
+#ifdef EBCDIC
+ literal_endpoint = 0;
+#endif
}
}
/* FALL THROUGH */
default:
{
- if (ckWARN(WARN_MISC) &&
- isALNUM(*s) &&
- *s != '_')
+ if (isALNUM(*s) &&
+ *s != '_' &&
+ ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC),
"Unrecognized escape \\%c passed through",
*s);
case 'x':
++s;
if (*s == '{') {
- char* e = strchr(s, '}');
+ char* const e = strchr(s, '}');
I32 flags = PERL_SCAN_ALLOW_UNDERSCORES |
PERL_SCAN_DISALLOW_PREFIX;
STRLEN len;
}
}
if (hicount) {
- STRLEN offset = d - SvPVX_const(sv);
+ const STRLEN offset = d - SvPVX_const(sv);
U8 *src, *dst;
d = SvGROW(sv, SvLEN(sv) + hicount + 1) + offset;
src = (U8 *)d - 1;
dst = src+hicount;
d += hicount;
- while (src >= (U8 *)SvPVX(sv)) {
+ while (src >= (const U8 *)SvPVX_const(sv)) {
if (!NATIVE_IS_INVARIANT(*src)) {
- U8 ch = NATIVE_TO_ASCII(*src);
+ const U8 ch = NATIVE_TO_ASCII(*src);
*dst-- = (U8)UTF8_EIGHT_BIT_LO(ch);
*dst-- = (U8)UTF8_EIGHT_BIT_HI(ch);
}
char* e = strchr(s, '}');
SV *res;
STRLEN len;
- char *str;
+ const char *str;
if (!e) {
yyerror("Missing right brace on \\N{}");
res, Nullsv, "\\N{...}" );
if (has_utf8)
sv_utf8_upgrade(res);
- str = SvPV(res,len);
+ str = SvPV_const(res,len);
#ifdef EBCDIC_NEVER_MIND
/* charnames uses pack U and that has been
* recently changed to do the below uni->native
* gets revoked, but the semantics is still
* desireable for charnames. --jhi */
{
- UV uv = utf8_to_uvchr((U8*)str, 0);
+ UV uv = utf8_to_uvchr((const U8*)str, 0);
if (uv < 0x100) {
U8 tmpbuf[UTF8_MAXBYTES+1], *d;
d = uvchr_to_utf8(tmpbuf, UNI_TO_NATIVE(uv));
sv_setpvn(res, (char *)tmpbuf, d - tmpbuf);
- str = SvPV(res, len);
+ str = SvPV_const(res, len);
}
}
#endif
if (!has_utf8 && SvUTF8(res)) {
- const char *ostart = SvPVX_const(sv);
+ const char * const ostart = SvPVX_const(sv);
SvCUR_set(sv, d - ostart);
SvPOK_on(sv);
*d = '\0';
has_utf8 = TRUE;
}
if (len > (STRLEN)(e - s + 4)) { /* I _guess_ 4 is \N{} --jhi */
- const char *odest = SvPVX_const(sv);
+ const char * const odest = SvPVX_const(sv);
SvGROW(sv, (SvLEN(sv) + len - (e - s + 4)));
d = SvPVX(sv) + (d - odest);
s++;
continue;
} /* end if (backslash) */
+#ifdef EBCDIC
+ else
+ literal_endpoint++;
+#endif
default_action:
/* If we started with encoded form, or already know we want it
and then encode the next character */
if ((has_utf8 || this_utf8) && !NATIVE_IS_INVARIANT((U8)(*s))) {
STRLEN len = 1;
- UV uv = (this_utf8) ? utf8n_to_uvchr((U8*)s, send - s, &len, 0) : (UV) ((U8) *s);
- STRLEN need = UNISKIP(NATIVE_TO_UNI(uv));
+ const UV uv = (this_utf8) ? utf8n_to_uvchr((U8*)s, send - s, &len, 0) : (UV) ((U8) *s);
+ const STRLEN need = UNISKIP(NATIVE_TO_UNI(uv));
s += len;
if (need > len) {
/* encoded value larger than old, need extra space (NOTE: SvCUR() not set here) */
- STRLEN off = d - SvPVX_const(sv);
+ const STRLEN off = d - SvPVX_const(sv);
d = SvGROW(sv, SvLEN(sv) + (need-len)) + off;
}
d = (char*)uvchr_to_utf8((U8*)d, uv);
int weight = 2; /* let's weigh the evidence */
char seen[256];
unsigned char un_char = 255, last_un_char;
- const char *send = strchr(s,']');
+ const char * const send = strchr(s,']');
char tmpbuf[sizeof PL_tokenbuf * 4];
if (!send) /* has to be an expression */
S_incl_perldb(pTHX)
{
if (PL_perldb) {
- const char *pdb = PerlEnv_getenv("PERL5DB");
+ const char * const pdb = PerlEnv_getenv("PERL5DB");
if (pdb)
return pdb;
SV *
Perl_filter_add(pTHX_ filter_t funcp, SV *datasv)
{
- xpvio_filter_u u;
-
if (!funcp)
return Nullsv;
PL_rsfp_filters = newAV();
if (!datasv)
datasv = NEWSV(255,0);
- (void)SvUPGRADE(datasv, SVt_PVIO);
- u.filter = funcp;
- IoANY(datasv) = u.iop; /* stash funcp into spare field */
+ SvUPGRADE(datasv, SVt_PVIO);
+ IoANY(datasv) = FPTR2DPTR(void *, funcp); /* stash funcp into spare field */
IoFLAGS(datasv) |= IOf_FAKE_DIRP;
DEBUG_P(PerlIO_printf(Perl_debug_log, "filter_add func %p (%s)\n",
- (void*)u.iop, SvPV_nolen(datasv)));
+ IoANY(datasv), SvPV_nolen(datasv)));
av_unshift(PL_rsfp_filters, 1);
av_store(PL_rsfp_filters, 0, datasv) ;
return(datasv);
Perl_filter_del(pTHX_ filter_t funcp)
{
SV *datasv;
- xpvio_filter_u u;
#ifdef DEBUGGING
- u.filter = funcp;
- DEBUG_P(PerlIO_printf(Perl_debug_log, "filter_del func %p", (void*)u.iop));
+ DEBUG_P(PerlIO_printf(Perl_debug_log, "filter_del func %p", FPTR2DPTR(XPVIO *, funcp)));
#endif
if (!PL_rsfp_filters || AvFILLp(PL_rsfp_filters)<0)
return;
/* if filter is on top of stack (usual case) just pop it off */
datasv = FILTER_DATA(AvFILLp(PL_rsfp_filters));
- u.iop = IoANY(datasv);
- if (u.filter == funcp) {
+ if (IoANY(datasv) == FPTR2DPTR(void *, funcp)) {
IoFLAGS(datasv) &= ~IOf_FAKE_DIRP;
IoANY(datasv) = (void *)NULL;
sv_free(av_pop(PL_rsfp_filters));
{
filter_t funcp;
SV *datasv = NULL;
- xpvio_filter_u u;
if (!PL_rsfp_filters)
return -1;
return FILTER_READ(idx+1, buf_sv, maxlen); /* recurse */
}
/* Get function pointer hidden within datasv */
- u.iop = IoANY(datasv);
- funcp = u.filter;
+ funcp = DPTR2FPTR(filter_t, IoANY(datasv));
DEBUG_P(PerlIO_printf(Perl_debug_log,
"filter_read %d: via function %p (%s)\n",
- idx, (void*)u.iop, SvPV_nolen(datasv)));
+ idx, datasv, SvPV_nolen_const(datasv)));
/* Call function. The function is expected to */
/* call "FILTER_READ(idx+1, buf_sv)" first. */
/* Return: <0:error, =0:eof, >0:not eof */
if ((gv = gv_fetchpv(pkgname, FALSE, SVt_PVCV))) {
SV *sv;
if (GvCV(gv) && (sv = cv_const_sv(GvCV(gv)))) {
- pkgname = SvPV_nolen(sv);
+ pkgname = SvPV_nolen_const(sv);
}
}
return gv_stashpv(pkgname, FALSE);
}
+STATIC char *
+S_tokenize_use(pTHX_ int is_use, char *s) {
+ if (PL_expect != XSTATE)
+ yyerror(Perl_form(aTHX_ "\"%s\" not allowed in expression",
+ is_use ? "use" : "no"));
+ s = skipspace(s);
+ if (isDIGIT(*s) || (*s == 'v' && isDIGIT(s[1]))) {
+ s = force_version(s, TRUE);
+ if (*s == ';' || (s = skipspace(s), *s == ';')) {
+ PL_nextval[PL_nexttoke].opval = Nullop;
+ force_next(WORD);
+ }
+ else if (*s == 'v') {
+ s = force_word(s,WORD,FALSE,TRUE,FALSE);
+ s = force_version(s, FALSE);
+ }
+ }
+ else {
+ s = force_word(s,WORD,FALSE,TRUE,FALSE);
+ s = force_version(s, FALSE);
+ }
+ yylval.ival = is_use;
+ return s;
+}
#ifdef DEBUGGING
static const char* const exp_name[] =
{ "OPERATOR", "TERM", "REF", "STATE", "BLOCK", "ATTRBLOCK",
PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr);
PL_last_lop = PL_last_uni = Nullch;
if (PERLDB_LINE && PL_curstash != PL_debstash) {
- SV *sv = NEWSV(85,0);
+ SV * const sv = NEWSV(85,0);
sv_upgrade(sv, SVt_PVMG);
sv_setsv(sv,PL_linestr);
} while (PL_doextract);
PL_oldoldbufptr = PL_oldbufptr = PL_bufptr = PL_linestart = s;
if (PERLDB_LINE && PL_curstash != PL_debstash) {
- SV *sv = NEWSV(85,0);
+ SV * const sv = NEWSV(85,0);
sv_upgrade(sv, SVt_PVMG);
sv_setsv(sv,PL_linestr);
else {
STRLEN blen;
STRLEN llen;
- const char *bstart = SvPV(CopFILESV(PL_curcop),blen);
- const char *lstart = SvPV(x,llen);
+ const char *bstart = SvPV_const(CopFILESV(PL_curcop),blen);
+ const char * const lstart = SvPV_const(x,llen);
if (llen < blen) {
bstart += blen - llen;
if (strnEQ(bstart, lstart, llen) && bstart[-1] == '/') {
while (s < PL_bufend && isSPACE(*s))
s++;
if (s < PL_bufend) {
- Newz(899,newargv,PL_origargc+3,char*);
+ Newxz(newargv,PL_origargc+3,char*);
newargv[1] = s;
while (s < PL_bufend && !isSPACE(*s))
s++;
const bool switches_done = PL_doswitches;
do {
if (*d == 'M' || *d == 'm' || *d == 'C') {
- const char *m = d;
+ const char * const m = d;
while (*d && !isSPACE(*d)) d++;
Perl_croak(aTHX_ "Too late for \"-%.*s\" option",
(int)(d - m), m);
AOPERATOR(ANDAND);
s--;
if (PL_expect == XOPERATOR) {
- if (ckWARN(WARN_SEMICOLON)
- && isIDFIRST_lazy_if(s,UTF) && PL_bufptr == PL_linestart)
+ if (PL_bufptr == PL_linestart && ckWARN(WARN_SEMICOLON)
+ && isIDFIRST_lazy_if(s,UTF))
{
CopLINE_dec(PL_curcop);
Perl_warner(aTHX_ packWARN(WARN_SEMICOLON), PL_warn_nosemi);
OPERATOR(',');
if (tmp == '~')
PMop(OP_MATCH);
- if (ckWARN(WARN_SYNTAX) && tmp && isSPACE(*s) && strchr("+-*/%.^&|<",tmp))
+ if (tmp && isSPACE(*s) && ckWARN(WARN_SYNTAX) && strchr("+-*/%.^&|<",tmp))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Reversed %c= operator",(int)tmp);
s--;
if (PL_expect == XSTATE && isALPHA(tmp) &&
s = skipspace(s);
if ((PL_expect != XREF || PL_oldoldbufptr == PL_last_lop) && intuit_more(s)) {
- char *t;
if (*s == '[') {
PL_tokenbuf[0] = '@';
if (ckWARN(WARN_SYNTAX)) {
+ char *t;
for(t = s + 1;
isSPACE(*t) || isALNUM_lazy_if(t,UTF) || *t == '$';
t++) ;
}
}
else if (*s == '{') {
+ char *t;
PL_tokenbuf[0] = '%';
- if (ckWARN(WARN_SYNTAX) && strEQ(PL_tokenbuf+1, "SIG") &&
- (t = strchr(s, '}')) && (t = strchr(t, '=')))
+ if (strEQ(PL_tokenbuf+1, "SIG") && ckWARN(WARN_SYNTAX)
+ && (t = strchr(s, '}')) && (t = strchr(t, '=')))
{
char tmpbuf[sizeof PL_tokenbuf];
for (t++; isSPACE(*t); t++) ;
PL_tokenbuf[0] = '%';
/* Warn about @ where they meant $. */
- if (ckWARN(WARN_SYNTAX)) {
- if (*s == '[' || *s == '{') {
+ if (*s == '[' || *s == '{') {
+ if (ckWARN(WARN_SYNTAX)) {
const char *t = s + 1;
while (*t && (isALNUM_lazy_if(t,UTF) || strchr(" \t$#+-'\"", *t)))
t++;
if (!s)
missingterm((char*)0);
yylval.ival = OP_CONST;
+ /* FIXME. I think that this can be const if char *d is replaced by
+ more localised variables. */
for (d = SvPV(PL_lex_stuff, len); len; len--, d++) {
if (*d == '$' || *d == '@' || *d == '\\' || !UTF8_IS_INVARIANT((U8)*d)) {
yylval.ival = OP_STRINGIFY;
case '\\':
s++;
- if (ckWARN(WARN_SYNTAX) && PL_lex_inwhat && isDIGIT(*s))
+ if (PL_lex_inwhat && isDIGIT(*s) && ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),"Can't use \\%c to mean $%c in expression",
*s, *s);
if (PL_expect == XOPERATOR)
}
gv = Nullgv;
gvp = 0;
- if (ckWARN(WARN_AMBIGUOUS) && hgv
- && tmp != KEY_x && tmp != KEY_CORE) /* never ambiguous */
+ if (hgv && tmp != KEY_x && tmp != KEY_CORE
+ && ckWARN(WARN_AMBIGUOUS)) /* never ambiguous */
Perl_warner(aTHX_ packWARN(WARN_AMBIGUOUS),
"Ambiguous call resolved as CORE::%s(), %s",
GvENAME(hgv), "qualify as such or use &");
/* Is there a prototype? */
if (SvPOK(cv)) {
STRLEN len;
- char *proto = SvPV((SV*)cv, len);
+ const char *proto = SvPV_const((SV*)cv, len);
if (!len)
TERM(FUNC0SUB);
if (*proto == '$' && proto[1] == '\0')
yylval.opval->op_private |= OPpCONST_STRICT;
else {
bareword:
- if (ckWARN(WARN_RESERVED)) {
- if (lastchar != '-') {
+ if (lastchar != '-') {
+ if (ckWARN(WARN_RESERVED)) {
for (d = PL_tokenbuf; *d && isLOWER(*d); d++) ;
if (!*d && !gv_stashpv(PL_tokenbuf,FALSE))
Perl_warner(aTHX_ packWARN(WARN_RESERVED), PL_warn_reserved,
case KEY___DATA__:
case KEY___END__: {
GV *gv;
-
- /*SUPPRESS 560*/
if (PL_rsfp && (!PL_in_eval || PL_tokenbuf[2] == 'D')) {
const char *pname = "main";
if (PL_tokenbuf[2] == 'D')
Perl_croak(aTHX_ "CORE::%s is not a keyword", PL_tokenbuf);
if (tmp < 0)
tmp = -tmp;
+ else if (tmp == KEY_require)
+ /* that's a way to remember we saw "CORE::" */
+ orig_keyword = KEY_require;
goto reserved_word;
}
goto just_a_word;
Eop(OP_SNE);
case KEY_no:
- if (PL_expect != XSTATE)
- yyerror("\"no\" not allowed in expression");
- s = force_word(s,WORD,FALSE,TRUE,FALSE);
- s = force_version(s, FALSE);
- yylval.ival = 0;
+ s = tokenize_use(0, s);
OPERATOR(USE);
case KEY_not:
else if (*s == '<')
yyerror("<> should be quotes");
}
- UNI(OP_REQUIRE);
+ if (orig_keyword == KEY_require) {
+ orig_keyword = 0;
+ yylval.ival = 1;
+ }
+ else
+ yylval.ival = 0;
+ PL_expect = XTERM;
+ PL_bufptr = s;
+ PL_last_uni = PL_oldbufptr;
+ PL_last_lop_op = OP_REQUIRE;
+ s = skipspace(s);
+ return REPORT( (int)REQUIRE );
case KEY_reset:
UNI(OP_RESET);
LOP(OP_UNSHIFT,XTERM);
case KEY_use:
- if (PL_expect != XSTATE)
- yyerror("\"use\" not allowed in expression");
- s = skipspace(s);
- if (isDIGIT(*s) || (*s == 'v' && isDIGIT(s[1]))) {
- s = force_version(s, TRUE);
- if (*s == ';' || (s = skipspace(s), *s == ';')) {
- PL_nextval[PL_nexttoke].opval = Nullop;
- force_next(WORD);
- }
- else if (*s == 'v') {
- s = force_word(s,WORD,FALSE,TRUE,FALSE);
- s = force_version(s, FALSE);
- }
- }
- else {
- s = force_word(s,WORD,FALSE,TRUE,FALSE);
- s = force_version(s, FALSE);
- }
- yylval.ival = 1;
+ s = tokenize_use(1, s);
OPERATOR(USE);
case KEY_values:
/* might be an "our" variable" */
if (PAD_COMPNAME_FLAGS(tmp) & SVpad_OUR) {
/* build ops for a bareword */
- HV *stash = PAD_COMPNAME_OURSTASH(tmp);
- HEK *stashname = HvNAME_HEK(stash);
- SV *sym = newSVhek(stashname);
+ HV * const stash = PAD_COMPNAME_OURSTASH(tmp);
+ HEK * const stashname = HvNAME_HEK(stash);
+ SV * const sym = newSVhek(stashname);
sv_catpvn(sym, "::", 2);
sv_catpv(sym, PL_tokenbuf+1);
yylval.opval = (OP*)newSVOP(OP_CONST, 0, sym);
const char *type)
{
dVAR; dSP;
- HV *table = GvHV(PL_hintgv); /* ^H */
+ HV * const table = GvHV(PL_hintgv); /* ^H */
SV *res;
SV **cvp;
SV *cv, *typesv;
- const char *why1, *why2, *why3;
+ const char *why1 = "", *why2 = "", *why3 = "";
if (!table || !(PL_hints & HINT_LOCALIZE_HH)) {
SV *msg;
/* Check the eval first */
if (!PL_in_eval && SvTRUE(ERRSV)) {
- STRLEN n_a;
sv_catpv(ERRSV, "Propagated");
- yyerror(SvPV(ERRSV, n_a)); /* Duplicates the message inside eval */
+ yyerror(SvPV_nolen_const(ERRSV)); /* Duplicates the message inside eval */
(void)POPs;
res = SvREFCNT_inc(sv);
}
S_scan_word(pTHX_ register char *s, char *dest, STRLEN destlen, int allow_package, STRLEN *slp)
{
register char *d = dest;
- register char *e = d + destlen - 3; /* two-character token, ending NUL */
+ register char * const e = d + destlen - 3; /* two-character token, ending NUL */
for (;;) {
if (d >= e)
Perl_croak(aTHX_ ident_too_long);
{
register char *d;
register char *e;
- char *bracket = 0;
+ char *bracket = Nullch;
char funny = *s++;
if (isSPACE(*s))
PMOP *pm;
char *s = scan_str(start,FALSE,FALSE);
- if (!s)
- Perl_croak(aTHX_ "Search pattern not terminated");
+ if (!s) {
+ char * const delimiter = skipspace(start);
+ Perl_croak(aTHX_ *delimiter == '?'
+ ? "Search pattern not terminated or ternary operator parsed as search pattern"
+ : "Search pattern not terminated" );
+ }
pm = (PMOP*)newPMOP(type, 0);
if (PL_multi_open == '?')
pmflag(&pm->op_pmflags,*s++);
}
/* issue a warning if /c is specified,but /g is not */
- if (ckWARN(WARN_REGEXP) &&
- (pm->op_pmflags & PMf_CONTINUE) && !(pm->op_pmflags & PMf_GLOBAL))
+ if ((pm->op_pmflags & PMf_CONTINUE) && !(pm->op_pmflags & PMf_GLOBAL)
+ && ckWARN(WARN_REGEXP))
{
Perl_warner(aTHX_ packWARN(WARN_REGEXP), c_without_g);
}
}
/* /c is not meaningful with s/// */
- if (ckWARN(WARN_REGEXP) && (pm->op_pmflags & PMf_CONTINUE))
+ if ((pm->op_pmflags & PMf_CONTINUE) && ckWARN(WARN_REGEXP))
{
Perl_warner(aTHX_ packWARN(WARN_REGEXP), c_in_subst);
}
}
no_more:
- New(803, tbl, complement&&!del?258:256, short);
+ Newx(tbl, complement&&!del?258:256, short);
o = newPVOP(OP_TRANS, 0, (char*)tbl);
o->op_private &= ~OPpTRANS_ALL;
o->op_private |= del|squash|complement|
{
register char *s = start; /* current position in buffer */
register char *d;
- register char *e;
+ const char *e;
char *end;
I32 len;
while (cont) {
int offset = s - SvPVX_const(PL_linestr);
- bool found = sv_cat_decode(sv, PL_encoding, PL_linestr,
+ const bool found = sv_cat_decode(sv, PL_encoding, PL_linestr,
&offset, (char*)termstr, termlen);
const char *ns = SvPVX_const(PL_linestr) + offset;
char *svlast = SvEND(sv) - 1;
/* _ are ignored -- but warned about if consecutive */
case '_':
- if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1)
+ if (lastub && s == lastub + 1 && ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
"Misplaced _ in number");
lastub = s++;
sv = NEWSV(92,0);
if (overflowed) {
- if (ckWARN(WARN_PORTABLE) && n > 4294967295.0)
+ if (n > 4294967295.0 && ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
"%s number > %s non-portable",
Base, max);
}
else {
#if UVSIZE > 4
- if (ckWARN(WARN_PORTABLE) && u > 0xffffffff)
+ if (u > 0xffffffff && ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
"%s number > %s non-portable",
Base, max);
if -w is on
*/
if (*s == '_') {
- if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1)
+ if (lastub && s == lastub + 1 && ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
"Misplaced _ in number");
lastub = s++;
if (d >= e)
Perl_croak(aTHX_ number_too_long);
if (*s == '_') {
- if (ckWARN(WARN_SYNTAX) && lastub && s == lastub + 1)
+ if (lastub && s == lastub + 1 && ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
"Misplaced _ in number");
lastub = s;
*d++ = *s++;
}
else {
- if (ckWARN(WARN_SYNTAX) &&
- ((lastub && s == lastub + 1) ||
- (!isDIGIT(s[1]) && s[1] != '_')))
+ if (((lastub && s == lastub + 1) ||
+ (!isDIGIT(s[1]) && s[1] != '_'))
+ && ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
"Misplaced _ in number");
lastub = s++;
while (!needargs) {
if (*s == '.') {
- /*SUPPRESS 530*/
#ifdef PERL_STRICT_CR
for (t = s+1;SPACE_OR_TAB(*t); t++) ;
#else
if (!yychar || (yychar == ';' && !PL_rsfp))
where = "at EOF";
- else if (PL_bufptr > PL_oldoldbufptr && PL_bufptr - PL_oldoldbufptr < 200 &&
- PL_oldoldbufptr != PL_oldbufptr && PL_oldbufptr != PL_bufptr) {
+ else if (PL_oldoldbufptr && PL_bufptr > PL_oldoldbufptr &&
+ PL_bufptr - PL_oldoldbufptr < 200 && PL_oldoldbufptr != PL_oldbufptr &&
+ PL_oldbufptr != PL_bufptr) {
/*
Only for NetWare:
The code below is removed for NetWare because it abends/crashes on NetWare
context = PL_oldoldbufptr;
contlen = PL_bufptr - PL_oldoldbufptr;
}
- else if (PL_bufptr > PL_oldbufptr && PL_bufptr - PL_oldbufptr < 200 &&
- PL_oldbufptr != PL_bufptr) {
+ else if (PL_oldbufptr && PL_bufptr > PL_oldbufptr &&
+ PL_bufptr - PL_oldbufptr < 200 && PL_oldbufptr != PL_bufptr) {
/*
Only for NetWare:
The code below is removed for NetWare because it abends/crashes on NetWare
I32 newlen;
filter_add(utf16rev_textfilter, NULL);
- New(898, news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
+ Newx(news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
utf16_to_utf8_reversed(s, news,
PL_bufend - (char*)s - 1,
&newlen);
I32 newlen;
filter_add(utf16_textfilter, NULL);
- New(898, news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
+ Newx(news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
utf16_to_utf8(s, news,
PL_bufend - (char*)s,
&newlen);
if (count) {
U8* tmps;
I32 newlen;
- New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
+ Newx(tmps, SvCUR(sv) * 3 / 2 + 1, U8);
Copy(SvPVX_const(sv), tmps, old, char);
utf16_to_utf8((U8*)SvPVX_const(sv) + old, tmps + old,
SvCUR(sv) - old, &newlen);
if (count) {
U8* tmps;
I32 newlen;
- New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
+ Newx(tmps, SvCUR(sv) * 3 / 2 + 1, U8);
Copy(SvPVX_const(sv), tmps, old, char);
utf16_to_utf8((U8*)SvPVX_const(sv) + old, tmps + old,
SvCUR(sv) - old, &newlen);
projects / p5sagit/p5-mst-13.2.git / blobdiff