diff options
Diffstat (limited to 'makelib.SH')
| -rw-r--r-- | makelib.SH | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/makelib.SH b/makelib.SH new file mode 100644 index 0000000000..6cc97832d2 --- /dev/null +++ b/makelib.SH @@ -0,0 +1,192 @@ +case $CONFIG in +'') + if test ! -f config.sh; then + ln ../config.sh . || \ + ln ../../config.sh . || \ + ln ../../../config.sh . || \ + (echo "Can't find config.sh."; exit 1) + fi + . config.sh + ;; +esac +: This forces SH files to create target in same directory as SH file. +: This is so that make depend always knows where to find SH derivatives. +case "$0" in +*/*) cd `expr X$0 : 'X\(.*\)/'` ;; +esac +echo "Extracting makelib (with variable substitutions)" +: This section of the file will have variable substitutions done on it. +: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!. +: Protect any dollar signs and backticks that you do not want interpreted +: by putting a backslash in front. You may delete these comments. +$spitshell >makelib <<!GROK!THIS! +#!/usr/bin/perl + +\$perlincl = '$privlib'; +!GROK!THIS! + +: In the following dollars and backticks do not need the extra backslash. +$spitshell >>makelib <<'!NO!SUBS!' + +chdir '/usr/include' || die "Can't cd /usr/include"; + +%isatype = ('char',1,'short',1,'int',1,'long',1); + +foreach $file (@ARGV) { + print $file,"\n"; + if ($file =~ m|^(.*)/|) { + $dir = $1; + if (!-d "$perlincl/$dir") { + mkdir("$perlincl/$dir",0777); + } + } + open(IN,"$file") || ((warn "Can't open $file: $!\n"),next); + open(OUT,">$perlincl/$file") || die "Can't create $file: $!\n"; + while (<IN>) { + chop; + while (/\\$/) { + chop; + $_ .= <IN>; + chop; + } + if (s:/\*:\200:g) { + s:\*/:\201:g; + s/\200[^\201]*\201//g; # delete single line comments + if (s/\200.*//) { # begin multi-line comment? + $_ .= '/*'; + $_ .= <IN>; + redo; + } + } + if (s/^#\s*//) { + if (s/^define\s+(\w+)//) { + $name = $1; + $new = ''; + s/\s+$//; + if (s/^\(([\w,\s]*)\)//) { + $args = $1; + if ($args ne '') { + foreach $arg (split(/,\s*/,$args)) { + $curargs{$arg} = 1; + } + $args =~ s/\b(\w)/\$$1/g; + $args = "local($args) = \@_;\n$t "; + } + s/^\s+//; + do expr(); + $new =~ s/(["\\])/\\$1/g; + if ($t ne '') { + $new =~ s/(['\\])/\\$1/g; + print OUT $t, + "eval 'sub $name {\n$t ${args}eval \"$new\";\n$t}';\n"; + } + else { + print OUT "sub $name {\n ${args}eval \"$new\";\n}\n"; + } + %curargs = (); + } + else { + s/^\s+//; + do expr(); + $new = 1 if $new eq ''; + if ($t ne '') { + $new =~ s/(['\\])/\\$1/g; + print OUT $t,"eval 'sub $name {",$new,";}';\n"; + } + else { + print OUT $t,"sub $name {",$new,";}\n"; + } + } + } + elsif (/^include <(.*)>/) { + print OUT $t,"do '$1' || die \"Can't include $1: \$!\";\n"; + } + elsif (/^ifdef\s+(\w+)/) { + print OUT $t,"if (defined &$1) {\n"; + $tab += 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + } + elsif (/^ifndef\s+(\w+)/) { + print OUT $t,"if (!defined &$1) {\n"; + $tab += 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + } + elsif (s/^if\s+//) { + $new = ''; + do expr(); + print OUT $t,"if ($new) {\n"; + $tab += 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + } + elsif (s/^elif\s+//) { + $new = ''; + do expr(); + $tab -= 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + print OUT $t,"}\n${t}elsif ($new) {\n"; + $tab += 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + } + elsif (/^else/) { + $tab -= 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + print OUT $t,"}\n${t}else {\n"; + $tab += 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + } + elsif (/^endif/) { + $tab -= 4; + $t = "\t" x ($tab / 8) . ' ' x ($tab % 8); + print OUT $t,"}\n"; + } + } + } + print OUT "1;\n"; +} + +sub expr { + while ($_ ne '') { + s/^(\s+)// && do {$new .= ' '; next;}; + s/^(0x[0-9a-fA-F]+)// && do {$new .= $1; next;}; + s/^(\d+)// && do {$new .= $1; next;}; + s/^("(\\"|[^"])*")// && do {$new .= $1; next;}; + s/^'((\\"|[^"])*)'// && do { + if ($curargs{$1}) { + $new .= "ord('\$$1')"; + } + else { + $new .= "ord('$1')"; + } + next; + }; + s/^(struct\s+\w+)// && do {$new .= "'$1'"; next;}; + s/^sizeof\s*\(([^)]+)\)/{$1}/ && do { + $new .= '$sizeof'; + next; + }; + s/^([_a-zA-Z]\w*)// && do { + $id = $1; + if ($curargs{$id}) { + $new .= '$' . $id; + } + elsif ($id eq 'defined') { + $new .= 'defined'; + } + elsif (/^\(/) { + s/^\((\w),/("$1",/ if $id =~ /^_IO[WR]*$/; # cheat + $new .= "&$id"; + } + elsif ($isatype{$id}) { + $new .= "'$id'"; + } + else { + $new .= '&' . $id; + } + next; + }; + s/^(.)// && do {$new .= $1; next;}; + } +} +!NO!SUBS! +chmod 755 makelib +$eunicefix makelib |