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PC-Online 1996 May
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PCOnline_05_1996.bin
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perl4.036
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perl-4.036
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perl-4.036.diff2
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Text File
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1995-01-17
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5KB
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213 lines
--- h2ph.man.orig Tue Jan 17 22:19:16 1995
+++ h2ph.man Tue Jan 17 22:19:53 1995
@@ -1,209 +1,3 @@
-#!/usr/bin/perl
-'di';
-'ig00';
-
-$perlincl = '/usr/lib/perl4';
-
-chdir '/usr/include' || die "Can't cd /usr/include";
-
-@isatype = split(' ',<<END);
- char uchar u_char
- short ushort u_short
- int uint u_int
- long ulong u_long
- FILE
-END
-
-@isatype{@isatype} = (1) x @isatype;
-
-@ARGV = ('-') unless @ARGV;
-
-foreach $file (@ARGV) {
- if ($file eq '-') {
- open(IN, "-");
- open(OUT, ">-");
- }
- else {
- ($outfile = $file) =~ s/\.h$/.ph/ || next;
- print "$file -> $outfile\n";
- if ($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/$outfile") || die "Can't create $outfile: $!\n";
- }
- while (<IN>) {
- chop;
- while (/\\$/) {
- 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)) {
- $arg =~ s/^\s*([^\s].*[^\s])\s*$/$1/;
- $curargs{$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\s+<(.*)>/) {
- ($incl = $1) =~ s/\.h$/.ph/;
- print OUT $t,"require '$incl';\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/^sizeof\s*\(([^)]+)\)/{$1}/ && do {
- $new .= '$sizeof';
- next;
- };
- s/^([_a-zA-Z]\w*)// && do {
- $id = $1;
- if ($id eq 'struct') {
- s/^\s+(\w+)//;
- $id .= ' ' . $1;
- $isatype{$id} = 1;
- }
- elsif ($id eq 'unsigned') {
- s/^\s+(\w+)//;
- $id .= ' ' . $1;
- $isatype{$id} = 1;
- }
- if ($curargs{$id}) {
- $new .= '$' . $id;
- }
- elsif ($id eq 'defined') {
- $new .= 'defined';
- }
- elsif (/^\(/) {
- s/^\((\w),/("$1",/ if $id =~ /^_IO[WR]*$/i; # cheat
- $new .= " &$id";
- }
- elsif ($isatype{$id}) {
- if ($new =~ /{\s*$/) {
- $new .= "'$id'";
- }
- elsif ($new =~ /\(\s*$/ && /^[\s*]*\)/) {
- $new =~ s/\(\s*$//;
- s/^[\s*]*\)//;
- }
- else {
- $new .= $id;
- }
- }
- else {
- $new .= ' &' . $id;
- }
- next;
- };
- s/^(.)// && do {$new .= $1; next;};
- }
-}
-##############################################################################
-
- # These next few lines are legal in both Perl and nroff.
-
.00; # finish .ig
'di \" finish diversion--previous line must be blank