* can get by with a single comparison (if the compiler is smart enough).
*/
+/* #define LEX_NOTPARSING 11 is done in perl.h. */
+
#define LEX_NORMAL 10
#define LEX_INTERPNORMAL 9
#define LEX_INTERPCASEMOD 8
#define OLDLOP(f) return(yylval.ival=f,expect = XTERM,bufptr = s,(int)LSTOP)
static int
-ao(toketype)
-int toketype;
+ao(int toketype)
{
if (*bufptr == '=') {
bufptr++;
}
static void
-no_op(what, s)
-char *what;
-char *s;
+no_op(char *what, char *s)
{
char *oldbp = bufptr;
bool is_first = (oldbufptr == linestart);
}
static void
-missingterm(s)
-char *s;
+missingterm(char *s)
{
char tmpbuf[3];
char q;
}
void
-deprecate(s)
-char *s;
+deprecate(char *s)
{
if (dowarn)
warn("Use of %s is deprecated", s);
}
static void
-depcom()
+depcom(void)
{
deprecate("comma-less variable list");
}
void
-lex_start(line)
-SV *line;
+lex_start(SV *line)
{
+ dTHR;
char *s;
STRLEN len;
}
void
-lex_end()
+lex_end(void)
{
doextract = FALSE;
}
static void
-restore_rsfp(f)
-void *f;
+restore_rsfp(void *f)
{
PerlIO *fp = (PerlIO*)f;
}
static void
-incline(s)
-char *s;
+incline(char *s)
{
+ dTHR;
char *t;
char *n;
char ch;
}
static char *
-skipspace(s)
-register char *s;
+skipspace(register char *s)
{
+ dTHR;
if (lex_formbrack && lex_brackets <= lex_formbrack) {
while (s < bufend && (*s == ' ' || *s == '\t'))
s++;
PerlIO_clearerr(rsfp);
else
(void)PerlIO_close(rsfp);
+ if (e_fp == rsfp)
+ e_fp = Nullfp;
rsfp = Nullfp;
return s;
}
}
static void
-check_uni() {
+check_uni(void) {
char *s;
char ch;
char *t;
#define UNI(f) return uni(f,s)
static int
-uni(f,s)
-I32 f;
-char *s;
+uni(I32 f, char *s)
{
yylval.ival = f;
expect = XTERM;
char *s;
#endif /* CAN_PROTOTYPE */
{
+ dTHR;
yylval.ival = f;
CLINE;
expect = x;
}
static void
-force_next(type)
-I32 type;
+force_next(I32 type)
{
nexttype[nexttoke] = type;
nexttoke++;
}
static char *
-force_word(start,token,check_keyword,allow_pack,allow_tick)
-register char *start;
-int token;
-int check_keyword;
-int allow_pack;
-int allow_tick;
+force_word(register char *start, int token, int check_keyword, int allow_pack, int allow_tick)
{
register char *s;
STRLEN len;
}
static void
-force_ident(s, kind)
-register char *s;
-int kind;
+force_ident(register char *s, int kind)
{
if (s && *s) {
- OP* op = (OP*)newSVOP(OP_CONST, 0, newSVpv(s,0));
- nextval[nexttoke].opval = op;
+ OP* o = (OP*)newSVOP(OP_CONST, 0, newSVpv(s,0));
+ nextval[nexttoke].opval = o;
force_next(WORD);
if (kind) {
- op->op_private = OPpCONST_ENTERED;
+ dTHR; /* just for in_eval */
+ o->op_private = OPpCONST_ENTERED;
/* XXX see note in pp_entereval() for why we forgo typo
warnings if the symbol must be introduced in an eval.
GSAR 96-10-12 */
}
static char *
-force_version(s)
-char *s;
+force_version(char *s)
{
OP *version = Nullop;
}
static SV *
-q(sv)
-SV *sv;
+q(SV *sv)
{
register char *s;
register char *send;
}
static I32
-sublex_start()
+sublex_start(void)
{
register I32 op_type = yylval.ival;
}
static I32
-sublex_push()
+sublex_push(void)
{
+ dTHR;
push_scope();
lex_state = sublex_info.super_state;
}
static I32
-sublex_done()
+sublex_done(void)
{
if (!lex_starts++) {
expect = XOPERATOR;
}
static char *
-scan_const(start)
-char *start;
+scan_const(char *start)
{
register char *send = bufend;
SV *sv = NEWSV(93, send - start);
register char *d = SvPVX(sv);
bool dorange = FALSE;
I32 len;
- char *leave =
+ char *leaveit =
lex_inpat
? "\\.^$@AGZdDwWsSbB+*?|()-nrtfeaxc0123456789[{]} \t\n\r\f\v#"
: (lex_inwhat & OP_TRANS)
}
if (*s == '\\' && s+1 < send) {
s++;
- if (*s && strchr(leave, *s)) {
+ if (*s && strchr(leaveit, *s)) {
*d++ = '\\';
*d++ = *s++;
continue;
/* This is the one truly awful dwimmer necessary to conflate C and sed. */
static int
-intuit_more(s)
-register char *s;
+intuit_more(register char *s)
{
if (lex_brackets)
return TRUE;
}
static int
-intuit_method(start,gv)
-char *start;
-GV *gv;
+intuit_method(char *start, GV *gv)
{
char *s = start + (*start == '$');
char tmpbuf[sizeof tokenbuf];
}
static char*
-incl_perldb()
+incl_perldb(void)
{
if (perldb) {
char *pdb = getenv("PERL5DB");
static int filter_debug = 0;
SV *
-filter_add(funcp, datasv)
- filter_t funcp;
- SV *datasv;
+filter_add(filter_t funcp, SV *datasv)
{
if (!funcp){ /* temporary handy debugging hack to be deleted */
filter_debug = atoi((char*)datasv);
/* Delete most recently added instance of this filter function. */
void
-filter_del(funcp)
- filter_t funcp;
+filter_del(filter_t funcp)
{
if (filter_debug)
warn("filter_del func %p", funcp);
/* Invoke the n'th filter function for the current rsfp. */
I32
-filter_read(idx, buf_sv, maxlen)
- int idx;
- SV *buf_sv;
- int maxlen; /* 0 = read one text line */
+filter_read(int idx, SV *buf_sv, int maxlen)
+
+
+ /* 0 = read one text line */
{
filter_t funcp;
SV *datasv = NULL;
}
static char *
-filter_gets(sv,fp, append)
-register SV *sv;
-register PerlIO *fp;
-STRLEN append;
+filter_gets(register SV *sv, register FILE *fp, STRLEN append)
{
if (rsfp_filters) {
EXT int yychar; /* last token */
int
-yylex()
+yylex(void)
{
+ dTHR;
register char *s;
register char *d;
register I32 tmp;
return PRIVATEREF;
}
- if (!strchr(tokenbuf,':') && (tmp = pad_findmy(tokenbuf))) {
- if (last_lop_op == OP_SORT &&
- tokenbuf[0] == '$' &&
- (tokenbuf[1] == 'a' || tokenbuf[1] == 'b')
- && !tokenbuf[2])
+ if (!strchr(tokenbuf,':')) {
+#ifdef USE_THREADS
+ /* Check for single character per-thread magicals */
+ if (tokenbuf[0] == '$' && tokenbuf[2] == '\0'
+ && !isALPHA(tokenbuf[1]) /* Rule out obvious non-magicals */
+ && (tmp = find_thread_magical(&tokenbuf[1])) != NOT_IN_PAD)
{
- for (d = in_eval ? oldoldbufptr : linestart;
- d < bufend && *d != '\n';
- d++)
+ yylval.opval = newOP(OP_THREADSV, 0);
+ yylval.opval->op_targ = tmp;
+ return PRIVATEREF;
+ }
+#endif /* USE_THREADS */
+ if ((tmp = pad_findmy(tokenbuf)) != NOT_IN_PAD) {
+ if (last_lop_op == OP_SORT &&
+ tokenbuf[0] == '$' &&
+ (tokenbuf[1] == 'a' || tokenbuf[1] == 'b')
+ && !tokenbuf[2])
{
- if (strnEQ(d,"<=>",3) || strnEQ(d,"cmp",3)) {
- croak("Can't use \"my %s\" in sort comparison",
- tokenbuf);
+ for (d = in_eval ? oldoldbufptr : linestart;
+ d < bufend && *d != '\n';
+ d++)
+ {
+ if (strnEQ(d,"<=>",3) || strnEQ(d,"cmp",3)) {
+ croak("Can't use \"my %s\" in sort comparison",
+ tokenbuf);
+ }
}
}
- }
- yylval.opval = newOP(OP_PADANY, 0);
- yylval.opval->op_targ = tmp;
- return PRIVATEREF;
+ yylval.opval = newOP(OP_PADANY, 0);
+ yylval.opval->op_targ = tmp;
+ return PRIVATEREF;
+ }
}
/* Force them to make up their mind on "@foo". */
if (lex_dojoin) {
nextval[nexttoke].ival = 0;
force_next(',');
+#ifdef USE_THREADS
+ nextval[nexttoke].opval = newOP(OP_THREADSV, 0);
+ nextval[nexttoke].opval->op_targ = find_thread_magical("\"");
+ force_next(PRIVATEREF);
+#else
force_ident("\"", '$');
+#endif /* USE_THREADS */
nextval[nexttoke].ival = 0;
force_next('$');
nextval[nexttoke].ival = 0;
PerlIO_clearerr(rsfp);
else
(void)PerlIO_close(rsfp);
+ if (e_fp == rsfp)
+ e_fp = Nullfp;
rsfp = Nullfp;
}
if (!in_eval && (minus_n || minus_p)) {
case 'y': case 'Y':
case 'z': case 'Z':
- keylookup:
+ keylookup: {
+ GV *gv = Nullgv;
+ GV **gvp = 0;
+
bufptr = s;
s = scan_word(s, tokenbuf, sizeof tokenbuf, FALSE, &len);
}
if (tmp < 0) { /* second-class keyword? */
- GV* gv;
- if (expect != XOPERATOR &&
- (*s != ':' || s[1] != ':') &&
- (gv = gv_fetchpv(tokenbuf, FALSE, SVt_PVCV)) &&
- GvIMPORTED_CV(gv))
+ if (expect != XOPERATOR && (*s != ':' || s[1] != ':') &&
+ (((gv = gv_fetchpv(tokenbuf, FALSE, SVt_PVCV)) &&
+ GvCVu(gv) && GvIMPORTED_CV(gv)) ||
+ ((gvp = (GV**)hv_fetch(globalstash,tokenbuf,len,FALSE)) &&
+ (gv = *gvp) != (GV*)&sv_undef &&
+ GvCVu(gv) && GvIMPORTED_CV(gv))))
{
- tmp = 0;
+ tmp = 0; /* overridden by importation */
+ }
+ else if (gv && !gvp
+ && -tmp==KEY_lock /* XXX generalizable kludge */
+ && !hv_fetch(GvHVn(incgv), "Thread.pm", 9, FALSE))
+ {
+ tmp = 0; /* any sub overrides "weak" keyword */
+ }
+ else {
+ tmp = -tmp; gv = Nullgv; gvp = 0;
}
- else
- tmp = -tmp;
}
reserved_word:
default: /* not a keyword */
just_a_word: {
- GV *gv;
SV *sv;
char lastchar = (bufptr == oldoldbufptr ? 0 : bufptr[-1]);
/* Look for a subroutine with this name in current package. */
- gv = gv_fetchpv(tokenbuf,FALSE, SVt_PVCV);
+ if (gvp) {
+ sv = newSVpv("CORE::GLOBAL::",14);
+ sv_catpv(sv,tokenbuf);
+ }
+ else
+ sv = newSVpv(tokenbuf,0);
+ if (!gv)
+ gv = gv_fetchpv(tokenbuf,FALSE, SVt_PVCV);
/* Presume this is going to be a bareword of some sort. */
CLINE;
- yylval.opval = (OP*)newSVOP(OP_CONST, 0, newSVpv(tokenbuf,0));
+ yylval.opval = (OP*)newSVOP(OP_CONST, 0, sv);
yylval.opval->op_private = OPpCONST_BARE;
/* See if it's the indirect object for a list operator. */
(oldoldbufptr == last_lop || oldoldbufptr == last_uni) &&
/* NO SKIPSPACE BEFORE HERE! */
(expect == XREF ||
- (opargs[last_lop_op] >> OASHIFT & 7) == OA_FILEREF) )
+ ((opargs[last_lop_op] >> OASHIFT)& 7) == OA_FILEREF) )
{
bool immediate_paren = *s == '(';
case KEY_DESTROY:
case KEY_BEGIN:
case KEY_END:
+ case KEY_INIT:
if (expect == XSTATE) {
s = bufptr;
goto really_sub;
case KEY_listen:
LOP(OP_LISTEN,XTERM);
+ case KEY_lock:
+ UNI(OP_LOCK);
+
case KEY_lstat:
UNI(OP_LSTAT);
case KEY_my:
in_my = TRUE;
+ s = skipspace(s);
+ if (isIDFIRST(*s)) {
+ s = scan_word(s, tokenbuf, sizeof tokenbuf, TRUE, &len);
+ in_my_stash = gv_stashpv(tokenbuf, FALSE);
+ if (!in_my_stash) {
+ char tmpbuf[1024];
+ bufptr = s;
+ sprintf(tmpbuf, "No such class %.1000s", tokenbuf);
+ yyerror(tmpbuf);
+ }
+ }
OPERATOR(MY);
case KEY_next:
s = scan_trans(s);
TERM(sublex_start());
}
- }
+ }}
}
I32
-keyword(d, len)
-register char *d;
-I32 len;
+keyword(register char *d, I32 len)
{
switch (*d) {
case '_':
case 4:
if (strEQ(d,"grep")) return KEY_grep;
if (strEQ(d,"goto")) return KEY_goto;
- if (strEQ(d,"glob")) return -KEY_glob;
+ if (strEQ(d,"glob")) return KEY_glob;
break;
case 6:
if (strEQ(d,"gmtime")) return -KEY_gmtime;
case 'h':
if (strEQ(d,"hex")) return -KEY_hex;
break;
+ case 'I':
+ if (strEQ(d,"INIT")) return KEY_INIT;
+ break;
case 'i':
switch (len) {
case 2:
case 4:
if (strEQ(d,"last")) return KEY_last;
if (strEQ(d,"link")) return -KEY_link;
+ if (strEQ(d,"lock")) return -KEY_lock;
break;
case 5:
if (strEQ(d,"local")) return KEY_local;
}
static void
-checkcomma(s,name,what)
-register char *s;
-char *name;
-char *what;
+checkcomma(register char *s, char *name, char *what)
{
char *w;
}
static char *
-scan_word(s, dest, destlen, allow_package, slp)
-register char *s;
-char *dest;
-STRLEN destlen;
-int allow_package;
-STRLEN *slp;
+scan_word(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 */
}
static char *
-scan_ident(s, send, dest, destlen, ck_uni)
-register char *s;
-register char *send;
-char *dest;
-STRLEN destlen;
-I32 ck_uni;
+scan_ident(register char *s, register char *send, char *dest, STRLEN destlen, I32 ck_uni)
{
register char *d;
register char *e;
return s;
}
-void pmflag(pmfl,ch)
-U16* pmfl;
-int ch;
+void pmflag(U16 *pmfl, int ch)
{
if (ch == 'i')
*pmfl |= PMf_FOLD;
}
static char *
-scan_pat(start)
-char *start;
+scan_pat(char *start)
{
PMOP *pm;
char *s;
}
static char *
-scan_subst(start)
-char *start;
+scan_subst(char *start)
{
register char *s;
register PMOP *pm;
}
void
-hoistmust(pm)
-register PMOP *pm;
+hoistmust(register PMOP *pm)
{
+ dTHR;
if (!pm->op_pmshort && pm->op_pmregexp->regstart &&
(!pm->op_pmregexp->regmust || pm->op_pmregexp->reganch & ROPT_ANCH)
) {
}
static char *
-scan_trans(start)
-char *start;
+scan_trans(char *start)
{
register char* s;
- OP *op;
+ OP *o;
short *tbl;
I32 squash;
- I32 delete;
+ I32 Delete;
I32 complement;
yylval.ival = OP_NULL;
}
New(803,tbl,256,short);
- op = newPVOP(OP_TRANS, 0, (char*)tbl);
+ o = newPVOP(OP_TRANS, 0, (char*)tbl);
- complement = delete = squash = 0;
+ complement = Delete = squash = 0;
while (*s == 'c' || *s == 'd' || *s == 's') {
if (*s == 'c')
complement = OPpTRANS_COMPLEMENT;
else if (*s == 'd')
- delete = OPpTRANS_DELETE;
+ Delete = OPpTRANS_DELETE;
else
squash = OPpTRANS_SQUASH;
s++;
}
- op->op_private = delete|squash|complement;
+ o->op_private = Delete|squash|complement;
- lex_op = op;
+ lex_op = o;
yylval.ival = OP_TRANS;
return s;
}
static char *
-scan_heredoc(s)
-register char *s;
+scan_heredoc(register char *s)
{
+ dTHR;
SV *herewas;
I32 op_type = OP_SCALAR;
I32 len;
}
static char *
-scan_inputsymbol(start)
-char *start;
+scan_inputsymbol(char *start)
{
register char *s = start;
register char *d;
(void)strcpy(d,"ARGV");
if (*d == '$') {
I32 tmp;
- if (tmp = pad_findmy(d)) {
- OP *op = newOP(OP_PADSV, 0);
- op->op_targ = tmp;
- lex_op = (OP*)newUNOP(OP_READLINE, 0, newUNOP(OP_RV2GV, 0, op));
+ if ((tmp = pad_findmy(d)) != NOT_IN_PAD) {
+ OP *o = newOP(OP_PADSV, 0);
+ o->op_targ = tmp;
+ lex_op = (OP*)newUNOP(OP_READLINE, 0, newUNOP(OP_RV2GV, 0, o));
}
else {
GV *gv = gv_fetchpv(d+1,TRUE, SVt_PV);
}
static char *
-scan_str(start)
-char *start;
+scan_str(char *start)
{
+ dTHR;
SV *sv;
char *tmps;
register char *s = start;
register char *to;
I32 brackets = 1;
- if (isSPACE(*s)) {
- /* "#" is allowed as delimiter if on same line */
- while (*s == ' ' || *s == '\t')
- s++;
- if (isSPACE(*s))
- s = skipspace(s);
- }
+ if (isSPACE(*s))
+ s = skipspace(s);
CLINE;
term = *s;
multi_start = curcop->cop_line;
}
char *
-scan_num(start)
-char *start;
+scan_num(char *start)
{
register char *s = start;
register char *d;
}
static char *
-scan_formline(s)
-register char *s;
+scan_formline(register char *s)
{
+ dTHR;
register char *eol;
register char *t;
SV *stuff = newSVpv("",0);
}
static void
-set_csh()
+set_csh(void)
{
#ifdef CSH
if (!cshlen)
}
I32
-start_subparse(is_format, flags)
-I32 is_format;
-U32 flags;
+start_subparse(I32 is_format, U32 flags)
{
+ dTHR;
I32 oldsavestack_ix = savestack_ix;
CV* outsidecv = compcv;
AV* comppadlist;
CvFLAGS(compcv) |= flags;
comppad = newAV();
+ av_push(comppad, Nullsv);
+ curpad = AvARRAY(comppad);
comppad_name = newAV();
comppad_name_fill = 0;
min_intro_pending = 0;
- av_push(comppad, Nullsv);
- curpad = AvARRAY(comppad);
padix = 0;
subline = curcop->cop_line;
+#ifdef USE_THREADS
+ av_store(comppad_name, 0, newSVpv("@_", 2));
+ curpad[0] = (SV*)newAV();
+ SvPADMY_on(curpad[0]); /* XXX Needed? */
+ CvOWNER(compcv) = 0;
+ New(666, CvMUTEXP(compcv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(compcv));
+#endif /* USE_THREADS */
comppadlist = newAV();
AvREAL_off(comppadlist);
av_store(comppadlist, 1, (SV*)comppad);
CvPADLIST(compcv) = comppadlist;
- CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc((SV*)outsidecv);
+ CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(outsidecv);
+#ifdef USE_THREADS
+ CvOWNER(compcv) = 0;
+ New(666, CvMUTEXP(compcv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(compcv));
+#endif /* USE_THREADS */
return oldsavestack_ix;
}
int
-yywarn(s)
-char *s;
+yywarn(char *s)
{
+ dTHR;
--error_count;
in_eval |= 2;
yyerror(s);
}
int
-yyerror(s)
-char *s;
+yyerror(char *s)
{
+ dTHR;
char *where = NULL;
char *context = NULL;
int contlen = -1;
if (in_eval & 2)
warn("%_", msg);
else if (in_eval)
- sv_catsv(GvSV(errgv), msg);
+ sv_catsv(ERRSV, msg);
else
PerlIO_write(PerlIO_stderr(), SvPVX(msg), SvCUR(msg));
if (++error_count >= 10)
croak("%_ has too many errors.\n", GvSV(curcop->cop_filegv));
in_my = 0;
+ in_my_stash = Nullhv;
return 0;
}
+
projects / p5sagit/p5-mst-13.2.git / blobdiff