/* perl.c
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
- * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by Larry Wall
- * and others
+ * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+ * by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
/*
* A ship then new they built for him
* of mithril and of elven-glass
- * --from Bilbo's song of Eärendil
+ * --from Bilbo's song of Eärendil
*
* [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"]
*/
* function of the interpreter; that can be found in perlmain.c
*/
+#ifdef PERL_IS_MINIPERL
+# define USE_SITECUSTOMIZE
+#endif
+
#include "EXTERN.h"
#define PERL_IN_PERL_C
#include "perl.h"
#include "nwutil.h"
#endif
-/* XXX If this causes problems, set i_unistd=undef in the hint file. */
-#ifdef I_UNISTD
-#include <unistd.h>
+#ifdef USE_KERN_PROC_PATHNAME
+# include <sys/sysctl.h>
+#endif
+
+#ifdef USE_NSGETEXECUTABLEPATH
+# include <mach-o/dyld.h>
#endif
#ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
-# ifdef I_SYS_WAIT
-# include <sys/wait.h>
-# endif
# ifdef I_SYSUIO
# include <sys/uio.h>
# endif
# define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) S_validate_suid(aTHX_ rsfp)
#endif
-#define CALL_BODY_EVAL(myop) \
- if (PL_op == (myop)) \
- PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); \
- if (PL_op) \
- CALLRUNOPS(aTHX);
-
#define CALL_BODY_SUB(myop) \
if (PL_op == (myop)) \
PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \
JMPENV_PUSH(x);
PERL_UNUSED_VAR(x);
- if (PL_endav && !PL_minus_c)
+ if (PL_endav && !PL_minus_c) {
+ PERL_SET_PHASE(PERL_PHASE_END);
call_list(PL_scopestack_ix, PL_endav);
+ }
JMPENV_POP;
}
LEAVE;
PL_main_root = NULL;
}
PL_main_start = NULL;
+ /* note that PL_main_cv isn't usually actually freed at this point,
+ * due to the CvOUTSIDE refs from subs compiled within it. It will
+ * get freed once all the subs are freed in sv_clean_all(), for
+ * destruct_level > 0 */
SvREFCNT_dec(PL_main_cv);
PL_main_cv = NULL;
- PL_dirty = TRUE;
+ PERL_SET_PHASE(PERL_PHASE_DESTRUCT);
/* Tell PerlIO we are about to tear things apart in case
we have layers which are using resources that should
*/
sv_clean_objs();
PL_sv_objcount = 0;
- if (PL_defoutgv && !SvREFCNT(PL_defoutgv))
- PL_defoutgv = NULL; /* may have been freed */
}
/* unhook hooks which will soon be, or use, destroyed data */
return STATUS_EXIT;
}
- /* reset so print() ends up where we expect */
- setdefout(NULL);
-
#ifdef USE_ITHREADS
/* the syntax tree is shared between clones
* so op_free(PL_main_root) only ReREFCNT_dec's
PL_minus_F = FALSE;
PL_doswitches = FALSE;
PL_dowarn = G_WARN_OFF;
- PL_doextract = FALSE;
PL_sawampersand = FALSE; /* must save all match strings */
PL_unsafe = FALSE;
/* defgv, aka *_ should be taken care of elsewhere */
- /* clean up after study() */
- SvREFCNT_dec(PL_lastscream);
- PL_lastscream = NULL;
- Safefree(PL_screamfirst);
- PL_screamfirst = 0;
- Safefree(PL_screamnext);
- PL_screamnext = 0;
-
/* float buffer */
Safefree(PL_efloatbuf);
PL_efloatbuf = NULL;
/* clear utf8 character classes */
SvREFCNT_dec(PL_utf8_alnum);
- SvREFCNT_dec(PL_utf8_ascii);
SvREFCNT_dec(PL_utf8_alpha);
SvREFCNT_dec(PL_utf8_space);
- SvREFCNT_dec(PL_utf8_cntrl);
SvREFCNT_dec(PL_utf8_graph);
SvREFCNT_dec(PL_utf8_digit);
SvREFCNT_dec(PL_utf8_upper);
SvREFCNT_dec(PL_utf8_tofold);
SvREFCNT_dec(PL_utf8_idstart);
SvREFCNT_dec(PL_utf8_idcont);
+ SvREFCNT_dec(PL_utf8_foldclosures);
PL_utf8_alnum = NULL;
- PL_utf8_ascii = NULL;
PL_utf8_alpha = NULL;
PL_utf8_space = NULL;
- PL_utf8_cntrl = NULL;
PL_utf8_graph = NULL;
PL_utf8_digit = NULL;
PL_utf8_upper = NULL;
PL_utf8_tofold = NULL;
PL_utf8_idstart = NULL;
PL_utf8_idcont = NULL;
+ PL_utf8_foldclosures = NULL;
if (!specialWARN(PL_compiling.cop_warnings))
PerlMemShared_free(PL_compiling.cop_warnings);
PL_compiling.cop_warnings = NULL;
- Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash);
- PL_compiling.cop_hints_hash = NULL;
+ cophh_free(CopHINTHASH_get(&PL_compiling));
+ CopHINTHASH_set(&PL_compiling, cophh_new_empty());
CopFILE_free(&PL_compiling);
CopSTASH_free(&PL_compiling);
/* Prepare to destruct main symbol table. */
hv = PL_defstash;
+ /* break ref loop *:: <=> %:: */
+ (void)hv_delete(hv, "main::", 6, G_DISCARD);
PL_defstash = 0;
SvREFCNT_dec(hv);
SvREFCNT_dec(PL_curstname);
(long)cxstack_ix + 1);
}
+#ifdef PERL_IMPLICIT_CONTEXT
+ /* the entries in this list are allocated via SV PVX's, so get freed
+ * in sv_clean_all */
+ Safefree(PL_my_cxt_list);
+#endif
+
/* Now absolutely destruct everything, somehow or other, loops or no. */
/* the 2 is for PL_fdpid and PL_strtab */
for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) {
svend = &sva[SvREFCNT(sva)];
for (sv = sva + 1; sv < svend; ++sv) {
- if (SvTYPE(sv) != SVTYPEMASK) {
+ if (SvTYPE(sv) != (svtype)SVTYPEMASK) {
PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p"
" flags=0x%"UVxf
" refcnt=%"UVuf pTHX__FORMAT "\n"
Safefree(PL_psig_name);
PL_psig_name = (SV**)NULL;
PL_psig_ptr = (SV**)NULL;
- Safefree(PL_psig_pend);
- PL_psig_pend = (int*)NULL;
{
/* We need to NULL PL_psig_pend first, so that
signal handlers know not to use it */
++PL_exitlistlen;
}
-#ifdef HAS_PROCSELFEXE
-/* This is a function so that we don't hold on to MAXPATHLEN
- bytes of stack longer than necessary
- */
-STATIC void
-S_procself_val(pTHX_ SV *sv, const char *arg0)
-{
- char buf[MAXPATHLEN];
- int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1);
-
- /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe)
- includes a spurious NUL which will cause $^X to fail in system
- or backticks (this will prevent extensions from being built and
- many tests from working). readlink is not meant to add a NUL.
- Normal readlink works fine.
- */
- if (len > 0 && buf[len-1] == '\0') {
- len--;
- }
-
- /* FreeBSD's implementation is acknowledged to be imperfect, sometimes
- returning the text "unknown" from the readlink rather than the path
- to the executable (or returning an error from the readlink). Any valid
- path has a '/' in it somewhere, so use that to validate the result.
- See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703
- */
- if (len > 0 && memchr(buf, '/', len)) {
- sv_setpvn(sv,buf,len);
- }
- else {
- sv_setpv(sv,arg0);
- }
-}
-#endif /* HAS_PROCSELFEXE */
-
STATIC void
S_set_caret_X(pTHX) {
dVAR;
GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */
if (tmpgv) {
-#ifdef HAS_PROCSELFEXE
- S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]);
-#else
-#ifdef OS2
- sv_setpv(GvSVn(tmpgv), os2_execname(aTHX));
+ SV *const caret_x = GvSV(tmpgv);
+#if defined(OS2)
+ sv_setpv(caret_x, os2_execname(aTHX));
#else
- sv_setpv(GvSVn(tmpgv),PL_origargv[0]);
-#endif
+# ifdef USE_KERN_PROC_PATHNAME
+ size_t size = 0;
+ int mib[4];
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_PATHNAME;
+ mib[3] = -1;
+
+ if (sysctl(mib, 4, NULL, &size, NULL, 0) == 0
+ && size > 0 && size < MAXPATHLEN * MAXPATHLEN) {
+ sv_grow(caret_x, size);
+
+ if (sysctl(mib, 4, SvPVX(caret_x), &size, NULL, 0) == 0
+ && size > 2) {
+ SvPOK_only(caret_x);
+ SvCUR_set(caret_x, size - 1);
+ SvTAINT(caret_x);
+ return;
+ }
+ }
+# elif defined(USE_NSGETEXECUTABLEPATH)
+ char buf[1];
+ uint32_t size = sizeof(buf);
+
+ _NSGetExecutablePath(buf, &size);
+ if (size < MAXPATHLEN * MAXPATHLEN) {
+ sv_grow(caret_x, size);
+ if (_NSGetExecutablePath(SvPVX(caret_x), &size) == 0) {
+ char *const tidied = realpath(SvPVX(caret_x), NULL);
+ if (tidied) {
+ sv_setpv(caret_x, tidied);
+ free(tidied);
+ } else {
+ SvPOK_only(caret_x);
+ SvCUR_set(caret_x, size);
+ }
+ return;
+ }
+ }
+# elif defined(HAS_PROCSELFEXE)
+ char buf[MAXPATHLEN];
+ int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1);
+
+ /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe)
+ includes a spurious NUL which will cause $^X to fail in system
+ or backticks (this will prevent extensions from being built and
+ many tests from working). readlink is not meant to add a NUL.
+ Normal readlink works fine.
+ */
+ if (len > 0 && buf[len-1] == '\0') {
+ len--;
+ }
+
+ /* FreeBSD's implementation is acknowledged to be imperfect, sometimes
+ returning the text "unknown" from the readlink rather than the path
+ to the executable (or returning an error from the readlink). Any
+ valid path has a '/' in it somewhere, so use that to validate the
+ result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703
+ */
+ if (len > 0 && memchr(buf, '/', len)) {
+ sv_setpvn(caret_x, buf, len);
+ return;
+ }
+# endif
+ /* Fallback to this: */
+ sv_setpv(caret_x, PL_origargv[0]);
#endif
}
}
=cut
*/
+#define SET_CURSTASH(newstash) \
+ if (PL_curstash != newstash) { \
+ SvREFCNT_dec(PL_curstash); \
+ PL_curstash = (HV *)SvREFCNT_inc(newstash); \
+ }
+
int
perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env)
{
#if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT)
/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0
* This MUST be done before any hash stores or fetches take place.
- * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set)
+ * If you set PL_rehash_seed (and presumably also PL_rehash_seed_set)
* yourself, it is your responsibility to provide a good random seed!
* You can also define PERL_HASH_SEED in compile time, see hv.h. */
if (!PL_rehash_seed_set)
switch (ret) {
case 0:
parse_body(env,xsinit);
- if (PL_unitcheckav)
+ if (PL_unitcheckav) {
call_list(oldscope, PL_unitcheckav);
- if (PL_checkav)
+ }
+ if (PL_checkav) {
+ PERL_SET_PHASE(PERL_PHASE_CHECK);
call_list(oldscope, PL_checkav);
+ }
ret = 0;
break;
case 1:
while (PL_scopestack_ix > oldscope)
LEAVE;
FREETMPS;
- PL_curstash = PL_defstash;
- if (PL_unitcheckav)
+ SET_CURSTASH(PL_defstash);
+ if (PL_unitcheckav) {
call_list(oldscope, PL_unitcheckav);
- if (PL_checkav)
+ }
+ if (PL_checkav) {
+ PERL_SET_PHASE(PERL_PHASE_CHECK);
call_list(oldscope, PL_checkav);
+ }
ret = STATUS_EXIT;
break;
case 3:
# ifdef PERL_MEM_LOG_NOIMPL
" PERL_MEM_LOG_NOIMPL"
# endif
+# ifdef PERL_PRESERVE_IVUV
+ " PERL_PRESERVE_IVUV"
+# endif
# ifdef PERL_USE_DEVEL
" PERL_USE_DEVEL"
# endif
# ifdef PERL_USE_SAFE_PUTENV
" PERL_USE_SAFE_PUTENV"
# endif
+# ifdef UNLINK_ALL_VERSIONS
+ " UNLINK_ALL_VERSIONS"
+# endif
# ifdef USE_ATTRIBUTES_FOR_PERLIO
" USE_ATTRIBUTES_FOR_PERLIO"
# endif
# ifdef USE_FAST_STDIO
" USE_FAST_STDIO"
# endif
+# ifdef USE_LOCALE
+ " USE_LOCALE"
+# endif
+# ifdef USE_LOCALE_CTYPE
+ " USE_LOCALE_CTYPE"
+# endif
# ifdef USE_PERL_ATOF
" USE_PERL_ATOF"
# endif
const char *scriptname = NULL;
VOL bool dosearch = FALSE;
register char c;
+ bool doextract = FALSE;
const char *cddir = NULL;
#ifdef USE_SITECUSTOMIZE
bool minus_f = FALSE;
SV *linestr_sv = newSV_type(SVt_PVIV);
bool add_read_e_script = FALSE;
+ PERL_SET_PHASE(PERL_PHASE_START);
+
SvGROW(linestr_sv, 80);
sv_setpvs(linestr_sv,"");
goto reswitch;
}
case 'x':
- PL_doextract = TRUE;
+ doextract = TRUE;
s++;
if (*s)
cddir = s;
argc--,argv++;
goto switch_end;
}
- /* catch use of gnu style long options */
- if (strEQ(s, "version")) {
- s = (char *)"v";
- goto reswitch;
- }
- if (strEQ(s, "help")) {
- s = (char *)"h";
- goto reswitch;
- }
+ /* catch use of gnu style long options.
+ Both of these exit immediately. */
+ if (strEQ(s, "version"))
+ minus_v();
+ if (strEQ(s, "help"))
+ usage();
s--;
/* FALL THROUGH */
default:
}
}
-#if defined(USE_SITECUSTOMIZE) && !defined(PERL_IS_MINIPERL)
+ /* Set $^X early so that it can be used for relocatable paths in @INC */
+ /* and for SITELIB_EXP in USE_SITECUSTOMIZE */
+ assert (!PL_tainted);
+ TAINT;
+ S_set_caret_X(aTHX);
+ TAINT_NOT;
+
+#if defined(USE_SITECUSTOMIZE)
if (!minus_f) {
- /* SITELIB_EXP is a function call on Win32.
- The games with local $! are to avoid setting errno if there is no
- sitecustomize script. */
- const char *const sitelib = SITELIB_EXP;
+ /* The games with local $! are to avoid setting errno if there is no
+ sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0",
+ ie a q() operator with a NUL byte as a the delimiter. This avoids
+ problems with pathnames containing (say) ' */
+# ifdef PERL_IS_MINIPERL
+ AV *const inc = GvAV(PL_incgv);
+ SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL;
+
+ if (inc0) {
+ (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav,
+ Perl_newSVpvf(aTHX_
+ "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} && do q%c%"SVf"/buildcustomize.pl%c }",
+ 0, *inc0, 0,
+ 0, *inc0, 0));
+ }
+# else
+ /* SITELIB_EXP is a function call on Win32. */
+ const char *const raw_sitelib = SITELIB_EXP;
+ /* process .../.. if PERL_RELOCATABLE_INC is defined */
+ SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib),
+ INCPUSH_CAN_RELOCATE);
+ const char *const sitelib = SvPVX(sitelib_sv);
(void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav,
Perl_newSVpvf(aTHX_
- "BEGIN { do {local $!; -f '%s/sitecustomize.pl'} && do '%s/sitecustomize.pl' }", sitelib, sitelib));
+ "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }",
+ 0, sitelib, 0,
+ 0, sitelib, 0));
+ assert (SvREFCNT(sitelib_sv) == 1);
+ SvREFCNT_dec(sitelib_sv);
+# endif
}
#endif
scriptname = "-";
}
- /* Set $^X early so that it can be used for relocatable paths in @INC */
assert (!PL_tainted);
- TAINT;
- S_set_caret_X(aTHX);
- TAINT_NOT;
init_perllib();
{
# endif
#endif
- if (PL_doextract) {
+ if (doextract) {
/* This will croak if suidscript is true, as -x cannot be used with
setuid scripts. */
}
#endif
- lex_start(linestr_sv, rsfp, TRUE);
+ lex_start(linestr_sv, rsfp, 0);
PL_subname = newSVpvs("main");
if (add_read_e_script)
/* now parse the script */
SETERRNO(0,SS_NORMAL);
- if (yyparse() || PL_parser->error_count) {
+ if (yyparse(GRAMPROG) || PL_parser->error_count) {
if (PL_minus_c)
Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename);
else {
}
}
CopLINE_set(PL_curcop, 0);
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
if (PL_e_script) {
SvREFCNT_dec(PL_e_script);
PL_e_script = NULL;
while (PL_scopestack_ix > oldscope)
LEAVE;
FREETMPS;
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) &&
- PL_endav && !PL_minus_c)
+ PL_endav && !PL_minus_c) {
+ PERL_SET_PHASE(PERL_PHASE_END);
call_list(oldscope, PL_endav);
+ }
#ifdef MYMALLOC
if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
dump_mstats("after execution: ");
POPSTACK_TO(PL_mainstack);
goto redo_body;
}
- PerlIO_printf(Perl_error_log, "panic: restartop\n");
+ PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n");
FREETMPS;
ret = 1;
break;
}
if (PERLDB_SINGLE && PL_DBsingle)
sv_setiv(PL_DBsingle, 1);
- if (PL_initav)
+ if (PL_initav) {
+ PERL_SET_PHASE(PERL_PHASE_INIT);
call_list(oldscope, PL_initav);
+ }
#ifdef PERL_DEBUG_READONLY_OPS
Perl_pending_Slabs_to_ro(aTHX);
#endif
/* do it */
+ PERL_SET_PHASE(PERL_PHASE_RUN);
+
if (PL_restartop) {
PL_restartjmpenv = NULL;
PL_op = PL_restartop;
=for apidoc p||get_av
-Returns the AV of the specified Perl array. C<flags> are passed to
-C<gv_fetchpv>. If C<GV_ADD> is set and the
+Returns the AV of the specified Perl global or package array with the given
+name (so it won't work on lexical variables). C<flags> are passed
+to C<gv_fetchpv>. If C<GV_ADD> is set and the
Perl variable does not exist then it will be created. If C<flags> is zero
and the variable does not exist then NULL is returned.
+Perl equivalent: C<@{"$name"}>.
+
=cut
*/
=for apidoc p||call_argv
-Performs a callback to the specified Perl sub. See L<perlcall>.
+Performs a callback to the specified named and package-scoped Perl subroutine
+with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>.
+
+Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>.
=cut
*/
/* FALL THROUGH */
case 2:
/* my_exit() was called */
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
FREETMPS;
JMPENV_POP;
my_exit_jump();
/*
=for apidoc p||eval_sv
-Tells Perl to C<eval> the string in the SV.
+Tells Perl to C<eval> the string in the SV. It supports the same flags
+as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>.
=cut
*/
switch (ret) {
case 0:
redo_body:
- CALL_BODY_EVAL((OP*)&myop);
+ if (PL_op == (OP*)(&myop)) {
+ PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX);
+ if (!PL_op)
+ goto fail; /* failed in compilation */
+ }
+ CALLRUNOPS(aTHX);
retval = PL_stack_sp - (PL_stack_base + oldmark);
if (!(flags & G_KEEPERR)) {
CLEAR_ERRSV();
/* FALL THROUGH */
case 2:
/* my_exit() was called */
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
FREETMPS;
JMPENV_POP;
my_exit_jump();
PL_restartop = 0;
goto redo_body;
}
+ fail:
PL_stack_sp = PL_stack_base + oldmark;
if ((flags & G_WANT) == G_ARRAY)
retval = 0;
}
STATIC void
-S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */
+S_usage(pTHX) /* XXX move this out into a module ? */
{
/* This message really ought to be max 23 lines.
* Removed -h because the user already knows that option. Others? */
const char * const *p = usage_msg;
PerlIO *out = PerlIO_stdout();
- PERL_ARGS_ASSERT_USAGE;
-
PerlIO_printf(out,
"\nUsage: %s [switches] [--] [programfile] [arguments]\n",
- name);
+ PL_origargv[0]);
while (*p)
PerlIO_puts(out, *p++);
+ my_exit(0);
}
/* convert a string of -D options (or digits) into an int.
/* The following permits -d:Mod to accepts arguments following an =
in the fashion that -MSome::Mod does. */
if (*s == ':' || *s == '=') {
- const char *start = ++s;
- const char *const end = s + strlen(s);
- SV * const sv = newSVpvs("use Devel::");
+ const char *start;
+ const char *end;
+ SV *sv;
- /* We now allow -d:Module=Foo,Bar */
+ if (*++s == '-') {
+ ++s;
+ sv = newSVpvs("no Devel::");
+ } else {
+ sv = newSVpvs("use Devel::");
+ }
+
+ start = s;
+ end = s + strlen(s);
+
+ /* We now allow -d:Module=Foo,Bar and -d:-Module */
while(isALNUM(*s) || *s==':') ++s;
if (*s != '=')
sv_catpvn(sv, start, end - start);
return s;
}
case 'h':
- usage(PL_origargv[0]);
- my_exit(0);
+ usage();
case 'i':
Safefree(PL_inplace);
#if defined(__CYGWIN__) /* do backup extension automagically */
s++;
return s;
case 't':
+ case 'T':
if (!PL_tainting)
- TOO_LATE_FOR('t');
+ TOO_LATE_FOR(*s);
s++;
- return s;
- case 'T':
- if (!PL_tainting)
- TOO_LATE_FOR('T');
- s++;
return s;
case 'u':
PL_do_undump = TRUE;
s++;
return s;
case 'v':
+ minus_v();
+ case 'w':
+ if (! (PL_dowarn & G_WARN_ALL_MASK)) {
+ PL_dowarn |= G_WARN_ON;
+ }
+ s++;
+ return s;
+ case 'W':
+ PL_dowarn = G_WARN_ALL_ON|G_WARN_ON;
+ if (!specialWARN(PL_compiling.cop_warnings))
+ PerlMemShared_free(PL_compiling.cop_warnings);
+ PL_compiling.cop_warnings = pWARN_ALL ;
+ s++;
+ return s;
+ case 'X':
+ PL_dowarn = G_WARN_ALL_OFF;
+ if (!specialWARN(PL_compiling.cop_warnings))
+ PerlMemShared_free(PL_compiling.cop_warnings);
+ PL_compiling.cop_warnings = pWARN_NONE ;
+ s++;
+ return s;
+ case '*':
+ case ' ':
+ while( *s == ' ' )
+ ++s;
+ if (s[0] == '-') /* Additional switches on #! line. */
+ return s+1;
+ break;
+ case '-':
+ case 0:
+#if defined(WIN32) || !defined(PERL_STRICT_CR)
+ case '\r':
+#endif
+ case '\n':
+ case '\t':
+ break;
+#ifdef ALTERNATE_SHEBANG
+ case 'S': /* OS/2 needs -S on "extproc" line. */
+ break;
+#endif
+ case 'e': case 'f': case 'x': case 'E':
+#ifndef ALTERNATE_SHEBANG
+ case 'S':
+#endif
+ case 'V':
+ Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s);
+ default:
+ Perl_croak(aTHX_
+ "Unrecognized switch: -%.1s (-h will show valid options)",s
+ );
+ }
+ return NULL;
+}
+
+
+STATIC void
+S_minus_v(pTHX)
+{
if (!sv_derived_from(PL_patchlevel, "version"))
upg_version(PL_patchlevel, TRUE);
#if !defined(DGUX)
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2010, Larry Wall\n");
+ "\n\nCopyright 1987-2012, Larry Wall\n");
#ifdef MSDOS
PerlIO_printf(PerlIO_stdout(),
"\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\
Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n");
my_exit(0);
- case 'w':
- if (! (PL_dowarn & G_WARN_ALL_MASK)) {
- PL_dowarn |= G_WARN_ON;
- }
- s++;
- return s;
- case 'W':
- PL_dowarn = G_WARN_ALL_ON|G_WARN_ON;
- if (!specialWARN(PL_compiling.cop_warnings))
- PerlMemShared_free(PL_compiling.cop_warnings);
- PL_compiling.cop_warnings = pWARN_ALL ;
- s++;
- return s;
- case 'X':
- PL_dowarn = G_WARN_ALL_OFF;
- if (!specialWARN(PL_compiling.cop_warnings))
- PerlMemShared_free(PL_compiling.cop_warnings);
- PL_compiling.cop_warnings = pWARN_NONE ;
- s++;
- return s;
- case '*':
- case ' ':
- while( *s == ' ' )
- ++s;
- if (s[0] == '-') /* Additional switches on #! line. */
- return s+1;
- break;
- case '-':
- case 0:
-#if defined(WIN32) || !defined(PERL_STRICT_CR)
- case '\r':
-#endif
- case '\n':
- case '\t':
- break;
-#ifdef ALTERNATE_SHEBANG
- case 'S': /* OS/2 needs -S on "extproc" line. */
- break;
-#endif
- default:
- Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s);
- }
- return NULL;
}
/* compliments of Tom Christiansen */
{
dVAR;
#ifdef MULTIPLICITY
-# define PERLVAR(var,type)
-# define PERLVARA(var,n,type)
+# define PERLVAR(prefix,var,type)
+# define PERLVARA(prefix,var,n,type)
# if defined(PERL_IMPLICIT_CONTEXT)
-# define PERLVARI(var,type,init) aTHX->var = init;
-# define PERLVARIC(var,type,init) aTHX->var = init;
+# define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init;
+# define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init;
# else
-# define PERLVARI(var,type,init) PERL_GET_INTERP->var = init;
-# define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init;
+# define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init;
+# define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init;
# endif
# include "intrpvar.h"
# undef PERLVAR
# undef PERLVARI
# undef PERLVARIC
#else
-# define PERLVAR(var,type)
-# define PERLVARA(var,n,type)
-# define PERLVARI(var,type,init) PL_##var = init;
-# define PERLVARIC(var,type,init) PL_##var = init;
+# define PERLVAR(prefix,var,type)
+# define PERLVARA(prefix,var,n,type)
+# define PERLVARI(prefix,var,type,init) PL_##var = init;
+# define PERLVARIC(prefix,var,type,init) PL_##var = init;
# include "intrpvar.h"
# undef PERLVAR
# undef PERLVARA
dVAR;
GV *gv;
- PL_curstash = PL_defstash = newHV();
+ PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV());
/* We know that the string "main" will be in the global shared string
table, so it's a small saving to use it rather than allocate another
8 bytes. */
#endif
sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */
CLEAR_ERRSV();
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
CopSTASH_set(&PL_compiling, PL_defstash);
PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV));
PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI,
/* skip forward in input to the real script? */
- while (PL_doextract) {
+ do {
if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL)
Perl_croak(aTHX_ "No Perl script found in input\n");
s2 = s;
- if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) {
- PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */
- PL_doextract = FALSE;
- while (*s && !(isSPACE (*s) || *s == '#')) s++;
- s2 = s;
- while (*s == ' ' || *s == '\t') s++;
- if (*s++ == '-') {
- while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.'
- || s2[-1] == '_') s2--;
- if (strnEQ(s2-4,"perl",4))
- while ((s = moreswitches(s)))
- ;
- }
- }
+ } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))));
+ PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */
+ while (*s && !(isSPACE (*s) || *s == '#')) s++;
+ s2 = s;
+ while (*s == ' ' || *s == '\t') s++;
+ if (*s++ == '-') {
+ while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.'
+ || s2[-1] == '_') s2--;
+ if (strnEQ(s2-4,"perl",4))
+ while ((s = moreswitches(s)))
+ ;
}
}
It might have entries, and if we just turn off AvREAL(), they will
"leak" until global destruction. */
av_clear(args);
+ if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied))
+ Perl_croak(aTHX_ "Cannot set tied @DB::args");
}
- AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */
+ AvREIFY_only(PL_dbargs);
}
void
dVAR;
HV * const ostash = PL_curstash;
- PL_curstash = PL_debstash;
+ PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash);
Perl_init_dbargs(aTHX);
PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV);
PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV)));
if (!SvIOK(PL_DBsignal))
sv_setiv(PL_DBsignal, 0);
+ SvREFCNT_dec(PL_curstash);
PL_curstash = ostash;
}
Safefree(PL_savestack);
}
+void
+Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...)
+{
+ GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV);
+ AV *const isa = GvAVn(gv);
+ va_list args;
+
+ PERL_ARGS_ASSERT_POPULATE_ISA;
+
+ if(AvFILLp(isa) != -1)
+ return;
+
+ /* NOTE: No support for tied ISA */
+
+ va_start(args, len);
+ do {
+ const char *const parent = va_arg(args, const char*);
+ size_t parent_len;
+
+ if (!parent)
+ break;
+ parent_len = va_arg(args, size_t);
+
+ /* Arguments are supplied with a trailing :: */
+ assert(parent_len > 2);
+ assert(parent[parent_len - 1] == ':');
+ assert(parent[parent_len - 2] == ':');
+ av_push(isa, newSVpvn(parent, parent_len - 2));
+ (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV);
+ } while (1);
+ va_end(args);
+}
+
STATIC void
S_init_predump_symbols(pTHX)
dVAR;
GV *tmpgv;
IO *io;
- AV *isa;
sv_setpvs(get_sv("\"", GV_ADD), " ");
PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV));
so that code that does C<use IO::Handle>; will still work.
*/
- isa = get_av("IO::File::ISA", GV_ADD | GV_ADDMULTI);
- av_push(isa, newSVpvs("IO::Handle"));
- av_push(isa, newSVpvs("IO::Seekable"));
- av_push(isa, newSVpvs("Exporter"));
- (void) gv_fetchpvs("IO::Handle::", GV_ADD, SVt_PVGV);
- (void) gv_fetchpvs("IO::Seekable::", GV_ADD, SVt_PVGV);
- (void) gv_fetchpvs("Exporter::", GV_ADD, SVt_PVGV);
-
+ Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"),
+ STR_WITH_LEN("IO::Handle::"),
+ STR_WITH_LEN("IO::Seekable::"),
+ STR_WITH_LEN("Exporter::"),
+ NULL);
PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO);
GvMULTI_on(PL_stdingv);
GvMULTI_on(tmpgv);
GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io));
- PL_statname = newSV(0); /* last filename we did stat on */
+ PL_statname = newSVpvs(""); /* last filename we did stat on */
}
void
#endif /* !PERL_MICRO */
}
TAINT_NOT;
- if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) {
- SvREADONLY_off(GvSV(tmpgv));
- sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
- SvREADONLY_on(GvSV(tmpgv));
- }
#ifdef THREADS_HAVE_PIDS
PL_ppid = (IV)getppid();
#endif
# define PERLLIB_MANGLE(s,n) (s)
#endif
+#ifndef PERL_IS_MINIPERL
/* Push a directory onto @INC if it exists.
Generate a new SV if we do this, to save needing to copy the SV we push
onto @INC */
}
return dir;
}
+#endif
-STATIC void
-S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags)
+STATIC SV *
+S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags)
{
- dVAR;
- const U8 using_sub_dirs
- = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS
- |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS);
- const U8 add_versioned_sub_dirs
- = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS;
- const U8 add_archonly_sub_dirs
- = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS;
-#ifdef PERL_INC_VERSION_LIST
- const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS;
-#endif
const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE;
- const U8 unshift = (U8)flags & INCPUSH_UNSHIFT;
- const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1;
- AV *const inc = GvAVn(PL_incgv);
+ SV *libdir;
- PERL_ARGS_ASSERT_INCPUSH;
+ PERL_ARGS_ASSERT_MAYBERELOCATE;
assert(len > 0);
- /* Could remove this vestigial extra block, if we don't mind a lot of
- re-indenting diff noise. */
- {
- SV *libdir;
- /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665,
- arranged to unshift #! line -I onto the front of @INC. However,
- -I can add version and architecture specific libraries, and they
- need to go first. The old code assumed that it was always
- pushing. Hence to make it work, need to push the architecture
- (etc) libraries onto a temporary array, then "unshift" that onto
- the front of @INC. */
- AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL;
-
if (len) {
/* I am not convinced that this is valid when PERLLIB_MANGLE is
defined to so something (in os2/os2.c), but the code has been
libdir = newSVpv(PERLLIB_MANGLE(dir, 0), 0);
}
+#ifdef VMS
+ {
+ char *unix;
+
+ if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) {
+ len = strlen(unix);
+ while (unix[len-1] == '/') len--; /* Cosmetic */
+ sv_usepvn(libdir,unix,len);
+ }
+ else
+ PerlIO_printf(Perl_error_log,
+ "Failed to unixify @INC element \"%s\"\n",
+ SvPV_nolen_const(libdir));
+ }
+#endif
+
/* Do the if() outside the #ifdef to avoid warnings about an unused
parameter. */
if (canrelocate) {
libdir = tempsv;
if (PL_tainting &&
(PL_uid != PL_euid || PL_gid != PL_egid)) {
- /* Need to taint reloccated paths if running set ID */
+ /* Need to taint relocated paths if running set ID */
SvTAINTED_on(libdir);
}
}
}
#endif
}
+ return libdir;
+}
+
+STATIC void
+S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags)
+{
+ dVAR;
+#ifndef PERL_IS_MINIPERL
+ const U8 using_sub_dirs
+ = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS
+ |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS);
+ const U8 add_versioned_sub_dirs
+ = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS;
+ const U8 add_archonly_sub_dirs
+ = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS;
+#ifdef PERL_INC_VERSION_LIST
+ const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS;
+#endif
+#endif
+ const U8 unshift = (U8)flags & INCPUSH_UNSHIFT;
+ const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1;
+ AV *const inc = GvAVn(PL_incgv);
+
+ PERL_ARGS_ASSERT_INCPUSH;
+ assert(len > 0);
+
+ /* Could remove this vestigial extra block, if we don't mind a lot of
+ re-indenting diff noise. */
+ {
+ SV *const libdir = mayberelocate(dir, len, flags);
+ /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665,
+ arranged to unshift #! line -I onto the front of @INC. However,
+ -I can add version and architecture specific libraries, and they
+ need to go first. The old code assumed that it was always
+ pushing. Hence to make it work, need to push the architecture
+ (etc) libraries onto a temporary array, then "unshift" that onto
+ the front of @INC. */
+#ifndef PERL_IS_MINIPERL
+ AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL;
+
/*
* BEFORE pushing libdir onto @INC we may first push version- and
* archname-specific sub-directories.
*/
if (using_sub_dirs) {
- SV *subdir;
+ SV *subdir = newSVsv(libdir);
#ifdef PERL_INC_VERSION_LIST
/* Configure terminates PERL_INC_VERSION_LIST with a NULL */
const char * const incverlist[] = { PERL_INC_VERSION_LIST };
const char * const *incver;
#endif
-#ifdef VMS
- char *unix;
- STRLEN len;
-
-
- if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) {
- len = strlen(unix);
- while (unix[len-1] == '/') len--; /* Cosmetic */
- sv_usepvn(libdir,unix,len);
- }
- else
- PerlIO_printf(Perl_error_log,
- "Failed to unixify @INC element \"%s\"\n",
- SvPV(libdir,len));
-#endif
-
- subdir = newSVsv(libdir);
if (add_versioned_sub_dirs) {
/* .../version/archname if -d .../version/archname */
assert (SvREFCNT(subdir) == 1);
SvREFCNT_dec(subdir);
}
-
+#endif /* !PERL_IS_MINIPERL */
/* finally add this lib directory at the end of @INC */
if (unshift) {
+#ifdef PERL_IS_MINIPERL
+ const U32 extra = 0;
+#else
U32 extra = av_len(av) + 1;
+#endif
av_unshift(inc, extra + push_basedir);
if (push_basedir)
av_store(inc, extra, libdir);
+#ifndef PERL_IS_MINIPERL
while (extra--) {
/* av owns a reference, av_store() expects to be donated a
reference, and av expects to be sane when it's cleared.
av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE)));
}
SvREFCNT_dec(av);
+#endif
}
else if (push_basedir) {
av_push(inc, libdir);
PERL_ARGS_ASSERT_INCPUSH_USE_SEP;
+ /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len
+ * argument to incpush_use_sep. This allows creation of relocatable
+ * Perl distributions that patch the binary at install time. Those
+ * distributions will have to provide their own relocation tools; this
+ * is not a feature otherwise supported by core Perl.
+ */
+#ifndef PERL_RELOCATABLE_INCPUSH
if (!len)
+#endif
len = strlen(p);
end = p + len;
while (PL_scopestack_ix > oldscope)
LEAVE;
FREETMPS;
- PL_curstash = PL_defstash;
+ SET_CURSTASH(PL_defstash);
PL_curcop = &PL_compiling;
CopLINE_set(PL_curcop, oldline);
JMPENV_POP;
CopLINE_set(PL_curcop, oldline);
JMPENV_JUMP(3);
}
- PerlIO_printf(Perl_error_log, "panic: restartop\n");
+ PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n");
FREETMPS;
break;
}
https://perl5.git.perl.org / perl5.git / blobdiff