X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/74eae918c3bf3772d260cb25777d9a998172a401..56f772e95e0268d7dc4695450e8f65c22be9fbc2:/build-aux/cross-options.pl

diff --git a/build-aux/cross-options.pl b/build-aux/cross-options.pl
index 2cec3696..6d153a05 100755
--- a/build-aux/cross-options.pl
+++ b/build-aux/cross-options.pl
@@ -5,7 +5,10 @@ use 5.005;
 use strict;
 
 my %option;
-while (<>)
+my %directive;
+my $scanner = `grep -i '"%[a-z]' $ARGV[0]`;
+$scanner =~ s/"\[-_\]"/-/g;
+while (<STDIN>)
 {
     if (/^\s*             # Initial spaces.
         (?:(-\w),\s+)?    # $1: $short: Possible short option.
@@ -16,7 +19,10 @@ while (<>)
         /x)
     {
 	my ($short, $long, $opt, $arg) = ($1, $2, $3, $4);
-	$short = defined $short ? '@option{' . $short . '}' : '';
+	$short = '' if ! defined $short;
+	$short = '-d' if $long eq '--defines' && ! $short;
+	my $dir = '%' . substr($long, 2);
+	$dir = '' if index ($scanner, "\"$dir\"") < 0;
 	if ($arg)
 	{
             # if $opt, $arg contains the closing ].
@@ -24,25 +30,43 @@ while (<>)
                 if $opt eq '[';
 	    $arg =~ s/^=//;
             $arg = lc ($arg);
+	    my $dir_arg = $arg;
             # If the argument is compite (e.g., for --define[=NAME[=VALUE]]),
             # put each word in @var, to build @var{name}[=@var{value}], not
             # @var{name[=value]}].
 	    $arg =~ s/(\w+)/\@var{$1}/g;
 	    $arg = '[' . $arg . ']'
 		if $opt eq '[';
-	    $option{"$long=$arg"} = $short ? "$short $arg" : '';
-	}
-	else
-	{
-	    $option{"$long"} = "$short";
+	    # For arguments of directives: this only works if all arguments
+	    # are strings and have the same syntax as on the command line.
+	    if ($dir_arg eq 'name[=value]')
+	    {
+		$dir_arg = '@var{name} ["@var{value}"]';
+	    }
+	    else
+	    {
+		$dir_arg =~ s/(\w+)/\@var{"$1"}/g;
+		$dir_arg = '[' . $dir_arg . ']'
+		    if $opt eq '[';
+	    }
+	    $long = "$long=$arg";
+	    $short = "$short $arg" if $short && $short ne '-d';
+	    $dir = "$dir $dir_arg" if $dir;
 	}
+	$option{$long} = $short;
+	$directive{$long} = $dir;
     }
 }
 
+my $sep = '';
 foreach my $long (sort keys %option)
 {
     # Avoid trailing spaces.
-    printf ("\@item %-40s \@tab%s\n",
-            '@option{' . $long . '}',
-            $option{$long} ? " $option{$long}" : "");
+    print $sep;
+    $sep = "\n";
+    print '@item @option{', $long, "}\n\@tab";
+    print ' @option{', $option{$long}, '}' if $option{$long};
+    print "\n\@tab";
+    print ' @code{', $directive{$long}, '}' if $directive{$long};
+    print "\n";
 }