abstract code for C<use Foo 1.23 @ary;> into a Perl_load_module()

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

diff --git a/mg.c b/mg.c
index 3ba3d08..96d268b 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1,6 +1,6 @@
 /*    mg.c
  *
- *    Copyright (c) 1991-1999, Larry Wall
+ *    Copyright (c) 1991-2000, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -339,10 +339,7 @@ U32
 Perl_magic_regdata_cnt(pTHX_ SV *sv, MAGIC *mg)
 {
     dTHR;
-    register char *s;
-    register I32 i;
     register REGEXP *rx;
-    char *t;
 
     if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
        if (mg->mg_obj)         /* @+ */
@@ -387,10 +384,8 @@ Perl_magic_len(pTHX_ SV *sv, MAGIC *mg)
 {
     dTHR;
     register I32 paren;
-    register char *s;
     register I32 i;
     register REGEXP *rx;
-    char *t;
 
     switch (*mg->mg_ptr) {
     case '1': case '2': case '3': case '4':
@@ -458,7 +453,6 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
     register char *s;
     register I32 i;
     register REGEXP *rx;
-    char *t;
 
     switch (*mg->mg_ptr) {
     case '\001':               /* ^A */
@@ -553,7 +547,7 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
        {
            dTHR;
            if (PL_lex_state != LEX_NOTPARSING)
-               SvOK_off(sv);
+               (void)SvOK_off(sv);
            else if (PL_in_eval)
                sv_setiv(sv, 1);
            else
@@ -567,10 +561,10 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
        sv_setiv(sv, (IV)PL_basetime);
 #endif
        break;
-    case '\027':               /* ^W  & $^Warnings*/
+    case '\027':               /* ^W  & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */
        if (*(mg->mg_ptr+1) == '\0')
            sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
-       else if (strEQ(mg->mg_ptr, "\027arnings")) {
+       else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) {
            if (PL_compiling.cop_warnings == WARN_NONE ||
                PL_compiling.cop_warnings == WARN_STD)
            {
@@ -583,6 +577,8 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
                sv_setsv(sv, PL_compiling.cop_warnings);
            }    
        }
+       else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))
+           sv_setiv(sv, (IV)PL_widesyscalls);
        break;
     case '1': case '2': case '3': case '4':
     case '5': case '6': case '7': case '8': case '9': case '&':
@@ -754,7 +750,7 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
                Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f, gary[i]);
        }
 #endif
-       SvIOK_on(sv);   /* what a wonderful hack! */
+       (void)SvIOK_on(sv);     /* what a wonderful hack! */
        break;
     case '*':
        break;
@@ -877,7 +873,7 @@ Perl_magic_set_all_env(pTHX_ SV *sv, MAGIC *mg)
        STRLEN n_a;
        magic_clear_all_env(sv,mg);
        hv_iterinit((HV*)sv);
-       while (entry = hv_iternext((HV*)sv)) {
+       while ((entry = hv_iternext((HV*)sv))) {
            I32 keylen;
            my_setenv(hv_iterkey(entry, &keylen),
                      SvPV(hv_iterval((HV*)sv, entry), n_a));
@@ -913,7 +909,7 @@ Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg)
     }
     FreeEnvironmentStrings(envv);
 #   else
-#      ifdef CYGWIN
+#      ifdef __CYGWIN__
     I32 i;
     for (i = 0; environ[i]; i++)
        safesysfree(environ[i]);
@@ -927,7 +923,7 @@ Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg)
        for (i = 0; environ[i]; i++)
            safesysfree(environ[i]);
 #          endif /* PERL_USE_SAFE_PUTENV */
-#      endif /* CYGWIN */
+#      endif /* __CYGWIN__ */
 
     environ[0] = Nullch;
 
@@ -1007,7 +1003,7 @@ Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg)
     else {
        i = whichsig(s);        /* ...no, a brick */
        if (!i) {
-           if (ckWARN(WARN_SIGNAL) || strEQ(s,"ALARM"))
+           if (ckWARN(WARN_SIGNAL))
                Perl_warner(aTHX_ WARN_SIGNAL, "No such signal: SIG%s", s);
            return 0;
        }
@@ -1083,7 +1079,7 @@ Perl_magic_getnkeys(pTHX_ SV *sv, MAGIC *mg)
            i = HvKEYS(hv);
        else {
            /*SUPPRESS 560*/
-           while (entry = hv_iternext(hv)) {
+           while ((entry = hv_iternext(hv))) {
                i++;
            }
        }
@@ -1418,7 +1414,7 @@ Perl_magic_gettaint(pTHX_ SV *sv, MAGIC *mg)
 {
     dTHR;
     TAINT_IF((mg->mg_len & 1) ||
-            (mg->mg_len & 2) && mg->mg_obj == sv);     /* kludge */
+            ((mg->mg_len & 2) && mg->mg_obj == sv));   /* kludge */
     return 0;
 }
 
@@ -1445,7 +1441,7 @@ Perl_magic_getvec(pTHX_ SV *sv, MAGIC *mg)
     SV *lsv = LvTARG(sv);
 
     if (!lsv) {
-       SvOK_off(sv);
+       (void)SvOK_off(sv);
        return 0;
     }
 
@@ -1568,7 +1564,7 @@ Perl_magic_killbackrefs(pTHX_ SV *sv, MAGIC *mg)
                Perl_croak(aTHX_ "panic: magic_killbackrefs");
            /* XXX Should we check that it hasn't changed? */
            SvRV(svp[i]) = 0;
-           SvOK_off(svp[i]);
+           (void)SvOK_off(svp[i]);
            SvWEAKREF_off(svp[i]);
            svp[i] = &PL_sv_undef;
        }
@@ -1707,7 +1703,7 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
        PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
 #endif
        break;
-    case '\027':       /* ^W & $^Warnings */
+    case '\027':       /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */
        if (*(mg->mg_ptr+1) == '\0') {
            if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
                i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
@@ -1715,8 +1711,13 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
                                | (i ? G_WARN_ON : G_WARN_OFF) ;
            }
        }
-       else if (strEQ(mg->mg_ptr, "\027arnings")) {
+       else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) {
            if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
+               if (!SvPOK(sv) && PL_localizing) {
+                   sv_setpvn(sv, WARN_NONEstring, WARNsize);
+                   PL_compiling.cop_warnings = WARN_NONE;
+                   break;
+               }
                 if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize)) {
                    PL_compiling.cop_warnings = WARN_ALL;
                    PL_dowarn |= G_WARN_ONCE ;
@@ -1733,6 +1734,8 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
                }
            }
        }
+       else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))
+           PL_widesyscalls = SvTRUE(sv);
        break;
     case '.':
        if (PL_localizing) {
@@ -2081,7 +2084,7 @@ Perl_sighandler(int sig)
     CV *cv = Nullcv;
     OP *myop = PL_op;
     U32 flags = 0;
-    I32 o_save_i = PL_savestack_ix, type;
+    I32 o_save_i = PL_savestack_ix;
     XPV *tXpv = PL_Xpv;
     
     if (PL_savestack_ix + 15 <= PL_savestack_max)
@@ -2171,7 +2174,7 @@ static void
 restore_magic(pTHXo_ void *p)
 {
     dTHR;
-    MGS* mgs = SSPTR((I32)p, MGS*);
+    MGS* mgs = SSPTR(PTR2IV(p), MGS*);
     SV* sv = mgs->mgs_sv;
 
     if (!sv)