/* 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
+ * 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.
* 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"
# 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) {
+ PL_phase = PERL_PHASE_END;
call_list(PL_scopestack_ix, PL_endav);
+ }
JMPENV_POP;
}
LEAVE;
* destruct_level > 0 */
SvREFCNT_dec(PL_main_cv);
PL_main_cv = NULL;
- PL_dirty = TRUE;
+ PL_phase = PERL_PHASE_DESTRUCT;
/* Tell PerlIO we are about to tear things apart in case
we have layers which are using resources that should
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;
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_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);
#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) {
+ PL_phase = PERL_PHASE_CHECK;
call_list(oldscope, PL_checkav);
+ }
ret = 0;
break;
case 1:
LEAVE;
FREETMPS;
PL_curstash = PL_defstash;
- if (PL_unitcheckav)
+ if (PL_unitcheckav) {
call_list(oldscope, PL_unitcheckav);
- if (PL_checkav)
+ }
+ if (PL_checkav) {
+ PL_phase = PERL_PHASE_CHECK;
call_list(oldscope, PL_checkav);
+ }
ret = STATUS_EXIT;
break;
case 3:
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;
+ PL_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;
}
}
-#if defined(USE_SITECUSTOMIZE) && !defined(PERL_IS_MINIPERL)
+#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
+ /* The games with local $! are to avoid setting errno if there is no
sitecustomize script. */
+# 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 '%"SVf"/buildcustomize.pl'} && do '%"SVf"/buildcustomize.pl' }", *inc0, *inc0));
+ }
+# else
+ /* SITELIB_EXP is a function call on Win32. */
const char *const sitelib = SITELIB_EXP;
(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));
+# endif
}
#endif
# 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)
FREETMPS;
PL_curstash = PL_defstash;
if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) &&
- PL_endav && !PL_minus_c)
+ PL_endav && !PL_minus_c) {
+ PL_phase = PERL_PHASE_END;
call_list(oldscope, PL_endav);
+ }
#ifdef MYMALLOC
if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
dump_mstats("after execution: ");
}
if (PERLDB_SINGLE && PL_DBsingle)
sv_setiv(PL_DBsingle, 1);
- if (PL_initav)
+ if (PL_initav) {
+ PL_phase = PERL_PHASE_INIT;
call_list(oldscope, PL_initav);
+ }
#ifdef PERL_DEBUG_READONLY_OPS
Perl_pending_Slabs_to_ro(aTHX);
#endif
/* do it */
+ PL_phase = PERL_PHASE_RUN;
+
if (PL_restartop) {
PL_restartjmpenv = NULL;
PL_op = PL_restartop;
/*
=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();
PL_restartop = 0;
goto redo_body;
}
+ fail:
PL_stack_sp = PL_stack_base + oldmark;
if ((flags & G_WANT) == G_ARRAY)
retval = 0;
/* 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;
+
+ if (*++s == '-') {
+ ++s;
+ sv = newSVpvs("no Devel::");
+ } else {
+ sv = newSVpvs("use Devel::");
+ }
- /* We now allow -d:Module=Foo,Bar */
+ 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);
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2010, Larry Wall\n");
+ "\n\nCopyright 1987-2011, Larry Wall\n");
#ifdef MSDOS
PerlIO_printf(PerlIO_stdout(),
"\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
/* 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)))
+ ;
}
}
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);
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);
}
}
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