implement C<goto &func> and other fixes (via private mail)

[p5sagit/p5-mst-13.2.git] / perl.c

diff --git a/perl.c b/perl.c
index e76d83a..a7804f1 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -138,9 +138,13 @@ perl_construct(register PerlInterpreter *sv_interp)
        MUTEX_INIT(&PL_svref_mutex);
 #endif /* EMULATE_ATOMIC_REFCOUNTS */
        
+       MUTEX_INIT(&PL_cred_mutex);
+
        thr = init_main_thread();
 #endif /* USE_THREADS */
 
+       PL_curcop = &PL_compiling;      /* needed by ckWARN, right away */
+
        PL_linestr = NEWSV(65,79);
        sv_upgrade(PL_linestr,SVt_PVIV);
 
@@ -403,7 +407,7 @@ perl_destruct(register PerlInterpreter *sv_interp)
     PL_minus_a      = FALSE;
     PL_minus_F      = FALSE;
     PL_doswitches   = FALSE;
-    PL_dowarn       = FALSE;
+    PL_dowarn       = G_WARN_OFF;
     PL_doextract    = FALSE;
     PL_sawampersand = FALSE;   /* must save all match strings */
     PL_sawstudy     = FALSE;   /* do fbm_instr on all strings */
@@ -551,8 +555,10 @@ perl_destruct(register PerlInterpreter *sv_interp)
     
     DEBUG_P(debprofdump());
 #ifdef USE_THREADS
+    MUTEX_DESTROY(&PL_strtab_mutex);
     MUTEX_DESTROY(&PL_sv_mutex);
     MUTEX_DESTROY(&PL_eval_mutex);
+    MUTEX_DESTROY(&PL_cred_mutex);
     COND_DESTROY(&PL_eval_cond);
 
     /* As the penultimate thing, free the non-arena SV for thrsv */
@@ -680,6 +686,7 @@ setuid perl scripts securely.\n");
 
     time(&PL_basetime);
     oldscope = PL_scopestack_ix;
+    PL_dowarn = G_WARN_OFF;
 
     JMPENV_PUSH(ret);
     switch (ret) {
@@ -737,6 +744,8 @@ setuid perl scripts securely.\n");
        case 'u':
        case 'U':
        case 'v':
+       case 'W':
+       case 'X':
        case 'w':
            if (s = moreswitches(s))
                goto reswitch;
@@ -990,7 +999,7 @@ print \"  \\@INC:\\n    @INC\\n\";");
     if (PL_do_undump)
        my_unexec();
 
-    if (PL_dowarn)
+    if (ckWARN(WARN_ONCE))
        gv_check(PL_defstash);
 
     LEAVE;
@@ -1737,6 +1746,15 @@ moreswitches(char *s)
 #ifdef OEMVS
        printf("MVS (OS390) port by Mortice Kern Systems, 1997-1998\n");
 #endif
+#ifdef __VOS__
+       printf("Stratus VOS port by Paul_Green@stratus.com, 1997-1998\n");
+#endif
+#ifdef __OPEN_VM
+       printf("VM/ESA port by Neale Ferguson, 1998\n");
+#endif
+#ifdef POSIX_BC
+       printf("BS2000 (POSIX) port by Start Amadeus GmbH, 1998\n");
+#endif
 #ifdef BINARY_BUILD_NOTICE
        BINARY_BUILD_NOTICE;
 #endif
@@ -1748,7 +1766,18 @@ this system using `man perl' or `perldoc perl'.  If you have access to the\n\
 Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n");
        PerlProc_exit(0);
     case 'w':
-       PL_dowarn = TRUE;
+       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; 
+       PL_compiling.cop_warnings = WARN_ALL ;
+       s++;
+       return s;
+    case 'X':
+       PL_dowarn = G_WARN_ALL_OFF; 
+       PL_compiling.cop_warnings = WARN_NONE ;
        s++;
        return s;
     case '*':
@@ -1758,7 +1787,7 @@ Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n");
        break;
     case '-':
     case 0:
-#ifdef WIN32
+#if defined(WIN32) || !defined(PERL_STRICT_CR)
     case '\r':
 #endif
     case '\n':
@@ -1886,6 +1915,9 @@ init_main_stash(void)
        about not iterating on it, and not adding tie magic to it.
        It is properly deallocated in perl_destruct() */
     PL_strtab = newHV();
+#ifdef USE_THREADS
+    MUTEX_INIT(&PL_strtab_mutex);
+#endif
     HvSHAREKEYS_off(PL_strtab);                        /* mandatory */
     hv_ksplit(PL_strtab, 512);
     
@@ -1913,7 +1945,7 @@ init_main_stash(void)
     PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
     PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV));
     /* We must init $/ before switches are processed. */
-    sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
+    sv_setpvn(perl_get_sv("/", TRUE), "\n", 1);
 }
 
 STATIC void
@@ -1982,6 +2014,21 @@ sed %s -e \"/^[^#]/b\" \
  %s | %_ -C %_ %s",
          (PL_doextract ? "-e \"1,/^#/d\n\"" : ""),
 #else
+#  ifdef __OPEN_VM
+       sv_setpvf(cmd, "\
+%s %s -e '/^[^#]/b' \
+ -e '/^#[      ]*include[      ]/b' \
+ -e '/^#[      ]*define[       ]/b' \
+ -e '/^#[      ]*if[   ]/b' \
+ -e '/^#[      ]*ifdef[        ]/b' \
+ -e '/^#[      ]*ifndef[       ]/b' \
+ -e '/^#[      ]*else/b' \
+ -e '/^#[      ]*elif[         ]/b' \
+ -e '/^#[      ]*undef[        ]/b' \
+ -e '/^#[      ]*endif/b' \
+ -e 's/^[      ]*#.*//' \
+ %s | %_ %_ %s",
+#  else
        sv_setpvf(cmd, "\
 %s %s -e '/^[^#]/b' \
  -e '/^#[      ]*include[      ]/b' \
@@ -1995,6 +2042,7 @@ sed %s -e \"/^[^#]/b\" \
  -e '/^#[      ]*endif/b' \
  -e 's/^[      ]*#.*//' \
  %s | %_ -C %_ %s",
+#  endif
 #ifdef LOC_SED
          LOC_SED,
 #else