Remove an extra space

[perl5.git] / warnings.pl

diff --git a/warnings.pl b/warnings.pl
index 1265972..2f987c5 100644 (file)
--- a/warnings.pl
+++ b/warnings.pl
@@ -3,7 +3,8 @@
 $VERSION = '1.02_02';
 
 BEGIN {
-  push @INC, './lib';
+    require 'regen_lib.pl';
+    push @INC, './lib';
 }
 use strict ;
 
@@ -61,7 +62,7 @@ my $tree = {
                'pack'          => [ 5.008, DEFAULT_OFF],
                'unpack'        => [ 5.008, DEFAULT_OFF],
                'threads'       => [ 5.008, DEFAULT_OFF],
-       'assertions'    => [ 5.009, DEFAULT_OFF],
+               'imprecision'   => [ 5.011, DEFAULT_OFF],
 
                 #'default'     => [ 5.008, DEFAULT_ON ],
        }],
@@ -249,14 +250,10 @@ if (@ARGV && $ARGV[0] eq "tree")
     exit ;
 }
 
-unlink "warnings.h";
-unlink "lib/warnings.pm";
-open(WARN, ">warnings.h") || die "Can't create warnings.h: $!\n";
-binmode WARN;
-open(PM, ">lib/warnings.pm") || die "Can't create lib/warnings.pm: $!\n";
-binmode PM;
+my $warn = safer_open("warnings.h-new");
+my $pm = safer_open("lib/warnings.pm-new");
 
-print WARN <<'EOM' ;
+print $warn <<'EOM' ;
 /* -*- buffer-read-only: t -*-
    !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
    This file is built by warnings.pl
@@ -277,11 +274,14 @@ print WARN <<'EOM' ;
 #define G_WARN_ALL_MASK                (G_WARN_ALL_ON|G_WARN_ALL_OFF)
 
 #define pWARN_STD              NULL
-#define pWARN_ALL              (((SV*)0)+1)    /* use warnings 'all' */
-#define pWARN_NONE             (((SV*)0)+2)    /* no  warnings 'all' */
+#define pWARN_ALL              (((STRLEN*)0)+1)    /* use warnings 'all' */
+#define pWARN_NONE             (((STRLEN*)0)+2)    /* no  warnings 'all' */
 
 #define specialWARN(x)         ((x) == pWARN_STD || (x) == pWARN_ALL ||        \
                                 (x) == pWARN_NONE)
+
+/* if PL_warnhook is set to this value, then warnings die */
+#define PERL_WARNHOOK_FATAL    (&PL_sv_placeholder)
 EOM
 
 my $offset = 0 ;
@@ -305,28 +305,30 @@ my $k ;
 my $last_ver = 0;
 foreach $k (sort { $a <=> $b } keys %ValueToName) {
     my ($name, $version) = @{ $ValueToName{$k} };
-    print WARN "\n/* Warnings Categories added in Perl $version */\n\n"
+    print $warn "\n/* Warnings Categories added in Perl $version */\n\n"
         if $last_ver != $version ;
-    print WARN tab(5, "#define WARN_$name"), "$k\n" ;
+    print $warn tab(5, "#define WARN_$name"), "$k\n" ;
     $last_ver = $version ;
 }
-print WARN "\n" ;
+print $warn "\n" ;
 
-print WARN tab(5, '#define WARNsize'), "$warn_size\n" ;
+print $warn tab(5, '#define WARNsize'),        "$warn_size\n" ;
 #print WARN tab(5, '#define WARN_ALLstring'), '"', ('\377' x $warn_size) , "\"\n" ;
-print WARN tab(5, '#define WARN_ALLstring'), '"', ('\125' x $warn_size) , "\"\n" ;
-print WARN tab(5, '#define WARN_NONEstring'), '"', ('\0' x $warn_size) , "\"\n" ;
-my $WARN_TAINTstring = mkOct($warn_size, map $_ * 2, @{ $list{'taint'} });
-
-print WARN tab(5, '#define WARN_TAINTstring'), qq["$WARN_TAINTstring"\n] ;
+print $warn tab(5, '#define WARN_ALLstring'), '"', ('\125' x $warn_size) , "\"\n" ;
+print $warn tab(5, '#define WARN_NONEstring'), '"', ('\0' x $warn_size) , "\"\n" ;
 
-print WARN <<'EOM';
+print $warn <<'EOM';
 
 #define isLEXWARN_on   (PL_curcop->cop_warnings != pWARN_STD)
 #define isLEXWARN_off  (PL_curcop->cop_warnings == pWARN_STD)
 #define isWARN_ONCE    (PL_dowarn & (G_WARN_ON|G_WARN_ONCE))
-#define isWARN_on(c,x) (IsSet(SvPVX_const(c), 2*(x)))
-#define isWARNf_on(c,x)        (IsSet(SvPVX_const(c), 2*(x)+1))
+#define isWARN_on(c,x) (IsSet((U8 *)(c + 1), 2*(x)))
+#define isWARNf_on(c,x)        (IsSet((U8 *)(c + 1), 2*(x)+1))
+
+#define DUP_WARNINGS(p)                \
+    (specialWARN(p) ? (STRLEN*)(p)     \
+    : (STRLEN*)CopyD(p, PerlMemShared_malloc(sizeof(*p)+*p), sizeof(*p)+*p, \
+                                            char))
 
 #define ckWARN(w)              Perl_ckwarn(aTHX_ packWARN(w))
 #define ckWARN2(w1,w2)         Perl_ckwarn(aTHX_ packWARN2(w1,w2))
@@ -360,68 +362,70 @@ print WARN <<'EOM';
 /* ex: set ro: */
 EOM
 
-close WARN ;
+safer_close $warn;
+rename_if_different("warnings.h-new", "warnings.h");
 
 while (<DATA>) {
     last if /^KEYWORDS$/ ;
-    print PM $_ ;
+    print $pm $_ ;
 }
 
 #$list{'all'} = [ $offset .. 8 * ($warn_size/2) - 1 ] ;
 
 $last_ver = 0;
-print PM "our %Offsets = (\n" ;
+print $pm "our %Offsets = (\n" ;
 foreach my $k (sort { $a <=> $b } keys %ValueToName) {
     my ($name, $version) = @{ $ValueToName{$k} };
     $name = lc $name;
     $k *= 2 ;
     if ( $last_ver != $version ) {
-        print PM "\n";
-        print PM tab(4, "    # Warnings Categories added in Perl $version");
-        print PM "\n\n";
+        print $pm "\n";
+        print $pm tab(4, "    # Warnings Categories added in Perl $version");
+        print $pm "\n\n";
     }
-    print PM tab(4, "    '$name'"), "=> $k,\n" ;
+    print $pm tab(4, "    '$name'"), "=> $k,\n" ;
     $last_ver = $version;
 }
 
-print PM "  );\n\n" ;
+print $pm "  );\n\n" ;
 
-print PM "our %Bits = (\n" ;
+print $pm "our %Bits = (\n" ;
 foreach $k (sort keys  %list) {
 
     my $v = $list{$k} ;
     my @list = sort { $a <=> $b } @$v ;
 
-    print PM tab(4, "    '$k'"), '=> "',
+    print $pm tab(4, "    '$k'"), '=> "',
                # mkHex($warn_size, @list),
                mkHex($warn_size, map $_ * 2 , @list),
                '", # [', mkRange(@list), "]\n" ;
 }
 
-print PM "  );\n\n" ;
+print $pm "  );\n\n" ;
 
-print PM "our %DeadBits = (\n" ;
+print $pm "our %DeadBits = (\n" ;
 foreach $k (sort keys  %list) {
 
     my $v = $list{$k} ;
     my @list = sort { $a <=> $b } @$v ;
 
-    print PM tab(4, "    '$k'"), '=> "',
+    print $pm tab(4, "    '$k'"), '=> "',
                # mkHex($warn_size, @list),
                mkHex($warn_size, map $_ * 2 + 1 , @list),
                '", # [', mkRange(@list), "]\n" ;
 }
 
-print PM "  );\n\n" ;
-print PM '$NONE     = "', ('\0' x $warn_size) , "\";\n" ;
-print PM '$LAST_BIT = ' . "$index ;\n" ;
-print PM '$BYTES    = ' . "$warn_size ;\n" ;
+print $pm "  );\n\n" ;
+print $pm '$NONE     = "', ('\0' x $warn_size) , "\";\n" ;
+print $pm '$LAST_BIT = ' . "$index ;\n" ;
+print $pm '$BYTES    = ' . "$warn_size ;\n" ;
 while (<DATA>) {
-    print PM $_ ;
+    print $pm $_ ;
 }
 
-print PM "# ex: set ro:\n";
-close PM ;
+print $pm "# ex: set ro:\n";
+safer_close $pm;
+rename_if_different("lib/warnings.pm-new", "lib/warnings.pm");
 
 __END__
 # -*- buffer-read-only: t -*-
@@ -432,7 +436,14 @@ __END__
 
 package warnings;
 
-our $VERSION = '1.05';
+our $VERSION = '1.06';
+
+# Verify that we're called correctly so that warnings will work.
+# see also strict.pm.
+unless ( __FILE__ =~ /(^|[\/\\])\Q${\__PACKAGE__}\E\.pmc?$/ ) {
+    my (undef, $f, $l) = caller;
+    die("Incorrect use of pragma '${\__PACKAGE__}' at $f line $l.\n");
+}
 
 =head1 NAME