X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/2242947801b5a89c42ffba93b4c406f75e4cd049..83d8c2948ced54f03b61a7f8d341392ec3470d96:/regcomp.pl

diff --git a/regcomp.pl b/regcomp.pl
index 38c346c..defbb5f 100644
--- a/regcomp.pl
+++ b/regcomp.pl
@@ -164,7 +164,7 @@ print OUT <<EOP;
 #ifndef DOINIT
 EXTCONST char * PL_reg_name[];
 #else
-EXTCONST char * PL_reg_name[] = {
+EXTCONST char * const PL_reg_name[] = {
 EOP
 
 $ind = 0;
@@ -187,9 +187,44 @@ print OUT <<EOP;
 };
 #endif /* DOINIT */
 
-/* ex: set ro: */
+/* PL_reg_extflags_name[] - Opcode/state names in string form, for debugging */
+
+#ifndef DOINIT
+EXTCONST char * PL_reg_extflags_name[];
+#else
+EXTCONST char * const PL_reg_extflags_name[] = {
 EOP
 
+open my $fh,"<","regexp.h" or die "Can't read regexp.h: $!";
+my %rxfv;
+my $val = 0;
+my %reverse;
+while (<$fh>) {
+    if (/#define\s+(RXf_\w+)\s+(0x[A-F\d]+)/i) {
+	my $newval = eval $2;
+	if($val & $newval) {
+	    die sprintf "Both $1 and $reverse{$newval} use %08X", $newval;
+	}
+        $val|=$newval;
+        $rxfv{$1}= $newval;
+	$reverse{$newval} = $1;
+    }
+}    
+my %vrxf=reverse %rxfv;
+printf OUT "\t/* Bits in extflags defined: %032b */\n",$val;
+for (0..31) {
+    my $n=$vrxf{2**$_}||"UNUSED_BIT_$_";
+    $n=~s/^RXf_(PMf_)?//;
+    printf OUT qq(\t%-20s/* 0x%08x */\n), 
+        qq("$n",),2**$_;
+}  
+ 
+print OUT <<EOP;
+};
+#endif /* DOINIT */
+
+/* ex: set ro: */
+EOP
 close OUT or die "close $tmp_h: $!";
 
 safer_rename $tmp_h, 'regnodes.h';