fmtinsns.pl: handle compiler fields; do some case mangling

Handle compiler-generated fields, and at least try to do some case
mangling.

1 files changed, 15 insertions, 6 deletions

diff --git a/misc/fmtinsns.pl b/misc/fmtinsns.pl
index 9acde06..848ee2d 100755
--- a/misc/fmtinsns.pl
+++ b/misc/fmtinsns.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 #
-# Re-align the columns in insns.dat
+# Re-align the columns in insns.dat, and enforce case conventions
 #
 
 @cols = (0, 16, 48, 96);
@@ -9,21 +9,30 @@ while ($line = <STDIN>) {
     chomp $line;
     if ($line !~ /^\s*(\;.*|)$/) {
 	($ln = $line) =~ s/\s+$//;
-	@fields = split(/\s+/, $line);
-	if (scalar(@fields) == 4) {
+	if ($line =~ /^\s*(\S+)\s+(\S+)\s+(\S+|\[.*\])\s+(\S+)\s*$/) {
+	    @fields = ($1, $2, $3, $4);
+	    $fields[0] = "\U$fields[0]" unless ($fields[0] =~ /^[^a-z]+cc$/);
+	    $fields[3] =~ s/\,+$//;
+	    $fields[3] = "\U$fields[3]" unless ($fields[3] eq 'ignore');
 	    $c = 0;
 	    $line = '';
 	    for ($i = 0; $i < scalar(@fields); $i++) {
 		if ($i > 0 && $c >= $cols[$i]) {
 		    $line .= ' ';
 		    $c++;
-		}
+		}	
 		while ($c < $cols[$i]) {
 		    $line .= "\t";
-		    $c = ($c+8) & ~7;
+		    $c = ($c+8)	& ~7;
 		}
 		$line .= $fields[$i];
-		$c += length($fields[$i]);
+		for ($j = 0; $j < length($fields[$i]); $j++) {
+		    if (substr($fields[$i], $j, 1) eq "\t") {
+			$c = ($c+8) & ~7;
+		    } else {
+			$c++;
+		    }
+		}
 	    }
 	}
     }