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80 lines
2.0 KiB
Perl
Executable File
80 lines
2.0 KiB
Perl
Executable File
#!/usr/bin/perl -- # -*-Perl-*-
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eval "exec /usr/bin/perl -S $0 $*"
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if $running_under_some_shell;
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# Construct a permuted index for all system include files.
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# Copyright (C) 1991 Free Software Foundation, Inc.
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# Francois Pinard <pinard@iro.umontreal.ca>, June 1991.
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# NOTE: about removing asm statements?
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# NOTE: about removing strings?
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# NOTE: about ignoring 0xHEXDIGITS, unchar/ushort/etc.
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# Construct a sorted list of system include files.
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opendir (DIR, "/usr/include");
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@includes = sort grep (-f "/usr/include/$_", readdir (DIR));
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opendir (DIR, "/usr/include/sys");
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foreach (sort grep (-f "/usr/include/sys/$_", readdir (DIR))) {
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push (@includes, "sys/$_");
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}
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closedir (DIR);
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# Launch the permuted indexer, with a list of ignore words.
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$ignore = "/tmp/incptx.$$";
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open (IGNORE, "> $ignore");
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print IGNORE join ("\n", split (' ', <<IGNORE)), "\n";
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asm at at386 break bss case ch char continue copyright corporation
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default define defined do double dst else endif enum extern file flag
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float for goto i286 i386 ident if ifdef ifndef int interactive len
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lint long m32 mpat num pdp11 printf ptr register return sco5 short siz
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sizeof src static str struct sun switch sys systems type typedef u370
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u3b u3b15 u3b2 u3b5 undef union unsigned vax void while win
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IGNORE
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close IGNORE;
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exit 0;
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open (OUTPUT, "| ptx -r -f -W '[a-zA-Z_][a-zA-Z_0-9]+' -F ... -i $ignore")
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|| die "ptx did not start\n";
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select (OUTPUT);
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# Reformat all files, removing C comments and adding a reference field.
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foreach $include (@includes)
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{
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warn "Reading /usr/include/$include\n";
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open (INPUT, "/usr/include/$include");
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while (<INPUT>)
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{
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# Get rid of comments.
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$comment = $next_comment;
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if ($comment)
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{
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$next_comment = !s,^.*\*/,,;
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}
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else
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{
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s,/\*.*\*/,,g;
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$next_comment = s,/\*.*,,;
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}
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next if $comment && $next_comment;
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# Remove extraneous white space.
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s/[ \t]+/ /g;
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s/ $//;
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next if /^$/;
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# Print the line with its reference.
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print "$include($.): ", $_;
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}
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}
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warn "All read, now ptx' game!\n";
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close OUTPUT || die "ptx failed...\n";
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unlink $ignore;
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