136 lines
2.5 KiB
Plaintext
136 lines
2.5 KiB
Plaintext
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#!/usr/bin/perl
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while (<>) {
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if (s/^CASE\s+//) {
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@fields = split;
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$funcname = pop(@fields);
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$rettype = "@fields";
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@modes = ();
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@types = ();
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@names = ();
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@outies = ();
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@callnames = ();
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$pre = "\n";
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$post = '';
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while (<>) {
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last unless /^[IO]+\s/;
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@fields = split(' ');
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push(@modes, shift(@fields));
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push(@names, pop(@fields));
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push(@types, "@fields");
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}
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while (s/^<\s//) {
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$pre .= "\t $_";
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$_ = <>;
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}
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while (s/^>\s//) {
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$post .= "\t $_";
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$_ = <>;
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}
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$items = @names;
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$namelist = '$' . join(', $', @names);
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$namelist = '' if $namelist eq '$';
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print <<EOF;
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case US_$funcname:
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if (items != $items)
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fatal("Usage: &$funcname($namelist)");
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else {
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EOF
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if ($rettype eq 'void') {
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print <<EOF;
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int retval = 1;
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EOF
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}
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else {
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print <<EOF;
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$rettype retval;
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EOF
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}
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foreach $i (1..@names) {
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$mode = $modes[$i-1];
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$type = $types[$i-1];
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$name = $names[$i-1];
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if ($type =~ /^[A-Z]+\*$/) {
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$cast = "*($type*)";
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}
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else {
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$cast = "($type)";
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}
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$what = ($type =~ /^(struct\s+\w+|char|[A-Z]+)\s*\*$/ ? "get" : "gnum");
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$type .= "\t" if length($type) < 4;
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$cast .= "\t" if length($cast) < 8;
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$x = "\t" x (length($name) < 6);
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if ($mode =~ /O/) {
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if ($what eq 'gnum') {
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push(@outies, "\t str_numset(st[$i], (double) $name);\n");
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push(@callnames, "&$name");
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}
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else {
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push(@outies, "\t str_set(st[$i], (char*) $name);\n");
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push(@callnames, "$name");
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}
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}
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else {
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push(@callnames, $name);
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}
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if ($mode =~ /I/) {
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print <<EOF;
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$type $name =$x $cast str_$what(st[$i]);
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EOF
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}
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elsif ($type =~ /char/) {
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print <<EOF;
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char ${name}[133];
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EOF
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}
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else {
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print <<EOF;
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$type $name;
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EOF
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}
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}
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$callnames = join(', ', @callnames);
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$outies = join("\n",@outies);
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if ($rettype eq 'void') {
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print <<EOF;
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$pre (void)$funcname($callnames);
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EOF
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}
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else {
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print <<EOF;
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$pre retval = $funcname($callnames);
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EOF
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}
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if ($rettype =~ /^(struct\s+\w+|char)\s*\*$/) {
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print <<EOF;
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str_set(st[0], (char*) retval);
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EOF
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}
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elsif ($rettype =~ /^[A-Z]+\s*\*$/) {
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print <<EOF;
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str_nset(st[0], (char*) &retval, sizeof retval);
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EOF
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}
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else {
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print <<EOF;
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str_numset(st[0], (double) retval);
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EOF
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}
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print $outies if $outies;
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print $post if $post;
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if (/^END/) {
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print "\t}\n\treturn sp;\n";
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}
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else {
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redo;
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}
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}
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elsif (/^END/) {
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print "\t}\n\treturn sp;\n";
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}
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else {
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print;
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}
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}
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