X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/2db3864ffcaccbf832bbb3814303b4f6beef8963..78faed2a00f712669648b6cc5baea2cc870785d0:/warnings.pl

diff --git a/warnings.pl b/warnings.pl
index e7659b9..4168c58 100644
--- a/warnings.pl
+++ b/warnings.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-$VERSION = '1.02';
+$VERSION = '1.02_02';
 
 BEGIN {
   push @INC, './lib';
@@ -61,7 +61,6 @@ my $tree = {
        	'pack'		=> [ 5.008, DEFAULT_OFF],
        	'unpack'	=> [ 5.008, DEFAULT_OFF],
        	'threads'	=> [ 5.008, DEFAULT_OFF],
-	'assertions'    => [ 5.009, DEFAULT_OFF],
 
        	 #'default'	=> [ 5.008, DEFAULT_ON ],
   	}],
@@ -257,7 +256,8 @@ open(PM, ">lib/warnings.pm") || die "Can't create lib/warnings.pm: $!\n";
 binmode PM;
 
 print WARN <<'EOM' ;
-/* !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
+/* -*- buffer-read-only: t -*-
+   !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
    This file is built by warnings.pl
    Any changes made here will be lost!
 */
@@ -275,12 +275,15 @@ print WARN <<'EOM' ;
 #define G_WARN_ONCE		8	/* set if 'once' ever enabled */
 #define G_WARN_ALL_MASK		(G_WARN_ALL_ON|G_WARN_ALL_OFF)
 
-#define pWARN_STD		Nullsv
-#define pWARN_ALL		(Nullsv+1)	/* use warnings 'all' */
-#define pWARN_NONE		(Nullsv+2)	/* no  warnings 'all' */
+#define pWARN_STD		NULL
+#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 $offset = 0 ;
@@ -315,78 +318,34 @@ print WARN tab(5, '#define WARNsize'),	"$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 <<'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(c), 2*(x)))
-#define isWARNf_on(c,x)	(IsSet(SvPVX(c), 2*(x)+1))
-
-#define ckWARN(x)							\
-	( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE &&	\
-	      (PL_curcop->cop_warnings == pWARN_ALL ||			\
-	       isWARN_on(PL_curcop->cop_warnings, x) ) )		\
-	  || (isLEXWARN_off && PL_dowarn & G_WARN_ON) )
-
-#define ckWARN2(x,y)							\
-	  ( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE &&	\
-	      (PL_curcop->cop_warnings == pWARN_ALL ||			\
-	        isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, y) ) ) 		\
-	    ||	(isLEXWARN_off && PL_dowarn & G_WARN_ON) )
-
-#define ckWARN3(x,y,z)							\
-	  ( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE &&	\
-	      (PL_curcop->cop_warnings == pWARN_ALL ||			\
-	        isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, y)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, z) ) ) 		\
-	    ||	(isLEXWARN_off && PL_dowarn & G_WARN_ON) )
-
-#define ckWARN4(x,y,z,t)						\
-	  ( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE &&	\
-	      (PL_curcop->cop_warnings == pWARN_ALL ||			\
-	        isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, y)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, z)  ||		\
-	        isWARN_on(PL_curcop->cop_warnings, t) ) ) 		\
-	    ||	(isLEXWARN_off && PL_dowarn & G_WARN_ON) )
-
-#define ckWARN_d(x)							\
-	  (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL ||	\
-	     (PL_curcop->cop_warnings != pWARN_NONE &&			\
-	      isWARN_on(PL_curcop->cop_warnings, x) ) )
-
-#define ckWARN2_d(x,y)							\
-	  (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL ||	\
-	     (PL_curcop->cop_warnings != pWARN_NONE &&			\
-	        (isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, y) ) ) )
-
-#define ckWARN3_d(x,y,z)						\
-	  (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL ||	\
-	     (PL_curcop->cop_warnings != pWARN_NONE &&			\
-	        (isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, y)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, z) ) ) )
-
-#define ckWARN4_d(x,y,z,t)						\
-	  (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL ||	\
-	     (PL_curcop->cop_warnings != pWARN_NONE &&			\
-	        (isWARN_on(PL_curcop->cop_warnings, x)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, y)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, z)  ||		\
-	         isWARN_on(PL_curcop->cop_warnings, t) ) ) )
-
-#define packWARN(a)		(a                                 )
-#define packWARN2(a,b)		((a) | (b)<<8                      )
-#define packWARN3(a,b,c)	((a) | (b)<<8 | (c) <<16           )
-#define packWARN4(a,b,c,d)	((a) | (b)<<8 | (c) <<16 | (d) <<24)
+#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))
+#define ckWARN3(w1,w2,w3)	Perl_ckwarn(aTHX_ packWARN3(w1,w2,w3))
+#define ckWARN4(w1,w2,w3,w4)	Perl_ckwarn(aTHX_ packWARN4(w1,w2,w3,w4))
+
+#define ckWARN_d(w)		Perl_ckwarn_d(aTHX_ packWARN(w))
+#define ckWARN2_d(w1,w2)	Perl_ckwarn_d(aTHX_ packWARN2(w1,w2))
+#define ckWARN3_d(w1,w2,w3)	Perl_ckwarn_d(aTHX_ packWARN3(w1,w2,w3))
+#define ckWARN4_d(w1,w2,w3,w4)	Perl_ckwarn_d(aTHX_ packWARN4(w1,w2,w3,w4))
+
+#define packWARN(a)		(a                                      )
+#define packWARN2(a,b)		((a) | ((b)<<8)                         )
+#define packWARN3(a,b,c)	((a) | ((b)<<8) | ((c)<<16)             )
+#define packWARN4(a,b,c,d)	((a) | ((b)<<8) | ((c)<<16) | ((d) <<24))
 
 #define unpackWARN1(x)		((x)        & 0xFF)
 #define unpackWARN2(x)		(((x) >>8)  & 0xFF)
@@ -402,7 +361,7 @@ print WARN <<'EOM';
 	      isWARNf_on(PL_curcop->cop_warnings, unpackWARN4(x))))
 
 /* end of file warnings.h */
-
+/* ex: set ro: */
 EOM
 
 close WARN ;
@@ -465,10 +424,11 @@ while (<DATA>) {
     print PM $_ ;
 }
 
+print PM "# ex: set ro:\n";
 close PM ;
 
 __END__
-
+# -*- buffer-read-only: t -*-
 # !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 # This file was created by warnings.pl
 # Any changes made here will be lost.
@@ -476,7 +436,14 @@ __END__
 
 package warnings;
 
-our $VERSION = '1.04';
+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
 
@@ -607,7 +574,8 @@ $All = "" ; vec($All, $Offsets{'all'}, 2) = 3 ;
 
 sub Croaker
 {
-    require Carp;
+    require Carp::Heavy; # this initializes %CarpInternal
+    local $Carp::CarpInternal{'warnings'};
     delete $Carp::CarpInternal{'warnings'};
     Carp::croak(@_);
 }