diff options
Diffstat (limited to 'Master/tlpkg/tlperl0/bin/h2ph.bat')
| -rwxr-xr-x | Master/tlpkg/tlperl0/bin/h2ph.bat | 959 |
1 files changed, 959 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl0/bin/h2ph.bat b/Master/tlpkg/tlperl0/bin/h2ph.bat new file mode 100755 index 00000000000..eb1f7862961 --- /dev/null +++ b/Master/tlpkg/tlperl0/bin/h2ph.bat @@ -0,0 +1,959 @@ +@rem = '--*-Perl-*--
+@echo off
+if "%OS%" == "Windows_NT" goto WinNT
+perl -x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9
+goto endofperl
+:WinNT
+perl -x -S %0 %*
+if NOT "%COMSPEC%" == "%SystemRoot%\system32\cmd.exe" goto endofperl
+if %errorlevel% == 9009 echo You do not have Perl in your PATH.
+if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul
+goto endofperl
+@rem ';
+#!perl
+#line 15
+ eval 'exec C:\strawberry\perl\bin\perl.exe -S $0 ${1+"$@"}'
+ if $running_under_some_shell;
+
+use strict;
+
+use Config;
+use File::Path qw(mkpath);
+use Getopt::Std;
+
+# Make sure read permissions for all are set:
+if (defined umask && (umask() & 0444)) {
+ umask (umask() & ~0444);
+}
+
+getopts('Dd:rlhaQe');
+use vars qw($opt_D $opt_d $opt_r $opt_l $opt_h $opt_a $opt_Q $opt_e);
+die "-r and -a options are mutually exclusive\n" if ($opt_r and $opt_a);
+my @inc_dirs = inc_dirs() if $opt_a;
+
+my $Exit = 0;
+
+my $Dest_dir = $opt_d || $Config{installsitearch};
+die "Destination directory $Dest_dir doesn't exist or isn't a directory\n"
+ unless -d $Dest_dir;
+
+my @isatype = qw(
+ char uchar u_char
+ short ushort u_short
+ int uint u_int
+ long ulong u_long
+ FILE key_t caddr_t
+ float double size_t
+);
+
+my %isatype;
+@isatype{@isatype} = (1) x @isatype;
+my $inif = 0;
+my %Is_converted;
+my %bad_file = ();
+
+@ARGV = ('-') unless @ARGV;
+
+build_preamble_if_necessary();
+
+sub reindent($) {
+ my($text) = shift;
+ $text =~ s/\n/\n /g;
+ $text =~ s/ /\t/g;
+ $text;
+}
+
+my ($t, $tab, %curargs, $new, $eval_index, $dir, $name, $args, $outfile);
+my ($incl, $incl_type, $incl_quote, $next);
+while (defined (my $file = next_file())) {
+ if (-l $file and -d $file) {
+ link_if_possible($file) if ($opt_l);
+ next;
+ }
+
+ # Recover from header files with unbalanced cpp directives
+ $t = '';
+ $tab = 0;
+
+ # $eval_index goes into ``#line'' directives, to help locate syntax errors:
+ $eval_index = 1;
+
+ if ($file eq '-') {
+ open(IN, "-");
+ open(OUT, ">-");
+ } else {
+ ($outfile = $file) =~ s/\.h$/.ph/ || next;
+ print "$file -> $outfile\n" unless $opt_Q;
+ if ($file =~ m|^(.*)/|) {
+ $dir = $1;
+ mkpath "$Dest_dir/$dir";
+ }
+
+ if ($opt_a) { # automagic mode: locate header file in @inc_dirs
+ foreach (@inc_dirs) {
+ chdir $_;
+ last if -f $file;
+ }
+ }
+
+ open(IN,"$file") || (($Exit = 1),(warn "Can't open $file: $!\n"),next);
+ open(OUT,">$Dest_dir/$outfile") || die "Can't create $outfile: $!\n";
+ }
+
+ print OUT
+ "require '_h2ph_pre.ph';\n\n",
+ "no warnings qw(redefine misc);\n\n";
+
+ while (defined (local $_ = next_line($file))) {
+ if (s/^\s*\#\s*//) {
+ if (s/^define\s+(\w+)//) {
+ $name = $1;
+ $new = '';
+ s/\s+$//;
+ s/\(\w+\s*\(\*\)\s*\(\w*\)\)\s*(-?\d+)/$1/; # (int (*)(foo_t))0
+ if (s/^\(([\w,\s]*)\)//) {
+ $args = $1;
+ my $proto = '() ';
+ if ($args ne '') {
+ $proto = '';
+ foreach my $arg (split(/,\s*/,$args)) {
+ $arg =~ s/^\s*([^\s].*[^\s])\s*$/$1/;
+ $curargs{$arg} = 1;
+ }
+ $args =~ s/\b(\w)/\$$1/g;
+ $args = "my($args) = \@_;\n$t ";
+ }
+ s/^\s+//;
+ expr();
+ $new =~ s/(["\\])/\\$1/g; #"]);
+ EMIT:
+ $new = reindent($new);
+ $args = reindent($args);
+ if ($t ne '') {
+ $new =~ s/(['\\])/\\$1/g; #']);
+ if ($opt_h) {
+ print OUT $t,
+ "eval \"\\n#line $eval_index $outfile\\n\" . 'sub $name $proto\{\n$t ${args}eval q($new);\n$t}' unless defined(\&$name);\n";
+ $eval_index++;
+ } else {
+ print OUT $t,
+ "eval 'sub $name $proto\{\n$t ${args}eval q($new);\n$t}' unless defined(\&$name);\n";
+ }
+ } else {
+ print OUT "unless(defined(\&$name)) {\n sub $name $proto\{\n\t${args}eval q($new);\n }\n}\n";
+ }
+ %curargs = ();
+ } else {
+ s/^\s+//;
+ expr();
+ $new = 1 if $new eq '';
+ $new = reindent($new);
+ $args = reindent($args);
+ if ($t ne '') {
+ $new =~ s/(['\\])/\\$1/g; #']);
+
+ if ($opt_h) {
+ print OUT $t,"eval \"\\n#line $eval_index $outfile\\n\" . 'sub $name () {",$new,";}' unless defined(\&$name);\n";
+ $eval_index++;
+ } else {
+ print OUT $t,"eval 'sub $name () {",$new,";}' unless defined(\&$name);\n";
+ }
+ } else {
+ # Shunt around such directives as `#define FOO FOO':
+ next if " \&$name" eq $new;
+
+ print OUT $t,"unless(defined(\&$name)) {\n sub $name () {\t",$new,";}\n}\n";
+ }
+ }
+ } elsif (/^(include|import|include_next)\s*([<\"])(.*)[>\"]/) {
+ $incl_type = $1;
+ $incl_quote = $2;
+ $incl = $3;
+ if (($incl_type eq 'include_next') ||
+ ($opt_e && exists($bad_file{$incl}))) {
+ $incl =~ s/\.h$/.ph/;
+ print OUT ($t,
+ "eval {\n");
+ $tab += 4;
+ $t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
+ print OUT ($t, "my(\@REM);\n");
+ if ($incl_type eq 'include_next') {
+ print OUT ($t,
+ "my(\%INCD) = map { \$INC{\$_} => 1 } ",
+ "(grep { \$_ eq \"$incl\" } ",
+ "keys(\%INC));\n");
+ print OUT ($t,
+ "\@REM = map { \"\$_/$incl\" } ",
+ "(grep { not exists(\$INCD{\"\$_/$incl\"})",
+ " and -f \"\$_/$incl\" } \@INC);\n");
+ } else {
+ print OUT ($t,
+ "\@REM = map { \"\$_/$incl\" } ",
+ "(grep {-r \"\$_/$incl\" } \@INC);\n");
+ }
+ print OUT ($t,
+ "require \"\$REM[0]\" if \@REM;\n");
+ $tab -= 4;
+ $t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
+ print OUT ($t,
+ "};\n");
+ print OUT ($t,
+ "warn(\$\@) if \$\@;\n");
+ } else {
+ $incl =~ s/\.h$/.ph/;
+ # copy the prefix in the quote syntax (#include "x.h") case
+ if ($incl !~ m|/| && $incl_quote eq q{"} && $file =~ m|^(.*)/|) {
+ $incl = "$1/$incl";
+ }
+ 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,"unless(defined(&$1)) {\n";
+ $tab += 4;
+ $t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
+ } elsif (s/^if\s+//) {
+ $new = '';
+ $inif = 1;
+ expr();
+ $inif = 0;
+ print OUT $t,"if($new) {\n";
+ $tab += 4;
+ $t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
+ } elsif (s/^elif\s+//) {
+ $new = '';
+ $inif = 1;
+ expr();
+ $inif = 0;
+ $tab -= 4;
+ $t = "\t" x ($tab / 8) . ' ' x ($tab % 8);
+ print OUT $t,"}\n elsif($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,"} 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";
+ } elsif(/^undef\s+(\w+)/) {
+ print OUT $t, "undef(&$1) if defined(&$1);\n";
+ } elsif(/^error\s+(".*")/) {
+ print OUT $t, "die($1);\n";
+ } elsif(/^error\s+(.*)/) {
+ print OUT $t, "die(\"", quotemeta($1), "\");\n";
+ } elsif(/^warning\s+(.*)/) {
+ print OUT $t, "warn(\"", quotemeta($1), "\");\n";
+ } elsif(/^ident\s+(.*)/) {
+ print OUT $t, "# $1\n";
+ }
+ } elsif (/^\s*(typedef\s*)?enum\s*(\s+[a-zA-Z_]\w*\s*)?/) { # { for vi
+ until(/\{[^}]*\}.*;/ || /;/) {
+ last unless defined ($next = next_line($file));
+ chomp $next;
+ # drop "#define FOO FOO" in enums
+ $next =~ s/^\s*#\s*define\s+(\w+)\s+\1\s*$//;
+ # #defines in enums (aliases)
+ $next =~ s/^\s*#\s*define\s+(\w+)\s+(\w+)\s*$/$1 = $2,/;
+ $_ .= $next;
+ print OUT "# $next\n" if $opt_D;
+ }
+ s/#\s*if.*?#\s*endif//g; # drop #ifdefs
+ s@/\*.*?\*/@@g;
+ s/\s+/ /g;
+ next unless /^\s?(typedef\s?)?enum\s?([a-zA-Z_]\w*)?\s?\{(.*)\}\s?([a-zA-Z_]\w*)?\s?;/;
+ (my $enum_subs = $3) =~ s/\s//g;
+ my @enum_subs = split(/,/, $enum_subs);
+ my $enum_val = -1;
+ foreach my $enum (@enum_subs) {
+ my ($enum_name, $enum_value) = $enum =~ /^([a-zA-Z_]\w*)(=.+)?$/;
+ $enum_name or next;
+ $enum_value =~ s/^=//;
+ $enum_val = (length($enum_value) ? $enum_value : $enum_val + 1);
+ if ($opt_h) {
+ print OUT ($t,
+ "eval(\"\\n#line $eval_index $outfile\\n",
+ "sub $enum_name () \{ $enum_val; \}\") ",
+ "unless defined(\&$enum_name);\n");
+ ++ $eval_index;
+ } else {
+ print OUT ($t,
+ "eval(\"sub $enum_name () \{ $enum_val; \}\") ",
+ "unless defined(\&$enum_name);\n");
+ }
+ }
+ } elsif (/^(?:__extension__\s+)?(?:extern|static)\s+(?:__)?inline(?:__)?\s+/
+ and !/;\s*$/ and !/{\s*}\s*$/)
+ { # { for vi
+ # This is a hack to parse the inline functions in the glibc headers.
+ # Warning: massive kludge ahead. We suppose inline functions
+ # are mainly constructed like macros.
+ while (1) {
+ last unless defined ($next = next_line($file));
+ chomp $next;
+ undef $_, last if $next =~ /__THROW\s*;/
+ or $next =~ /^(__extension__|extern|static)\b/;
+ $_ .= " $next";
+ print OUT "# $next\n" if $opt_D;
+ last if $next =~ /^}|^{.*}\s*$/;
+ }
+ next if not defined; # because it's only a prototype
+ s/\b(__extension__|extern|static|(?:__)?inline(?:__)?)\b//g;
+ # violently drop #ifdefs
+ s/#\s*if.*?#\s*endif//g
+ and print OUT "# some #ifdef were dropped here -- fill in the blanks\n";
+ if (s/^(?:\w|\s|\*)*\s(\w+)\s*//) {
+ $name = $1;
+ } else {
+ warn "name not found"; next; # shouldn't occur...
+ }
+ my @args;
+ if (s/^\(([^()]*)\)\s*(\w+\s*)*//) {
+ for my $arg (split /,/, $1) {
+ if ($arg =~ /(\w+)\s*$/) {
+ $curargs{$1} = 1;
+ push @args, $1;
+ }
+ }
+ }
+ $args = (
+ @args
+ ? "my(" . (join ',', map "\$$_", @args) . ") = \@_;\n$t "
+ : ""
+ );
+ my $proto = @args ? '' : '() ';
+ $new = '';
+ s/\breturn\b//g; # "return" doesn't occur in macros usually...
+ expr();
+ # try to find and perlify local C variables
+ our @local_variables = (); # needs to be a our(): (?{...}) bug workaround
+ {
+ use re "eval";
+ my $typelist = join '|', keys %isatype;
+ $new =~ s['
+ (?:(?:__)?const(?:__)?\s+)?
+ (?:(?:un)?signed\s+)?
+ (?:long\s+)?
+ (?:$typelist)\s+
+ (\w+)
+ (?{ push @local_variables, $1 })
+ ']
+ [my \$$1]gx;
+ $new =~ s['
+ (?:(?:__)?const(?:__)?\s+)?
+ (?:(?:un)?signed\s+)?
+ (?:long\s+)?
+ (?:$typelist)\s+
+ ' \s+ &(\w+) \s* ;
+ (?{ push @local_variables, $1 })
+ ]
+ [my \$$1;]gx;
+ }
+ $new =~ s/&$_\b/\$$_/g for @local_variables;
+ $new =~ s/(["\\])/\\$1/g; #"]);
+ # now that's almost like a macro (we hope)
+ goto EMIT;
+ }
+ }
+ $Is_converted{$file} = 1;
+ if ($opt_e && exists($bad_file{$file})) {
+ unlink($Dest_dir . '/' . $outfile);
+ $next = '';
+ } else {
+ print OUT "1;\n";
+ queue_includes_from($file) if $opt_a;
+ }
+}
+
+if ($opt_e && (scalar(keys %bad_file) > 0)) {
+ warn "Was unable to convert the following files:\n";
+ warn "\t" . join("\n\t",sort(keys %bad_file)) . "\n";
+}
+
+exit $Exit;
+
+sub expr {
+ $new = '"(assembly code)"' and return if /\b__asm__\b/; # freak out.
+ my $joined_args;
+ if(keys(%curargs)) {
+ $joined_args = join('|', keys(%curargs));
+ }
+ while ($_ ne '') {
+ s/^\&\&// && do { $new .= " &&"; next;}; # handle && operator
+ s/^\&([\(a-z\)]+)/$1/i; # hack for things that take the address of
+ s/^(\s+)// && do {$new .= ' '; next;};
+ s/^0X([0-9A-F]+)[UL]*//i
+ && do {my $hex = $1;
+ $hex =~ s/^0+//;
+ if (length $hex > 8 && !$Config{use64bitint}) {
+ # Croak if nv_preserves_uv_bits < 64 ?
+ $new .= hex(substr($hex, -8)) +
+ 2**32 * hex(substr($hex, 0, -8));
+ # The above will produce "errorneus" code
+ # if the hex constant was e.g. inside UINT64_C
+ # macro, but then again, h2ph is an approximation.
+ } else {
+ $new .= lc("0x$hex");
+ }
+ next;};
+ s/^(-?\d+\.\d+E[-+]?\d+)[FL]?//i && do {$new .= $1; next;};
+ s/^(\d+)\s*[LU]*//i && do {$new .= $1; next;};
+ s/^("(\\"|[^"])*")// && do {$new .= $1; next;};
+ s/^'((\\"|[^"])*)'// && do {
+ if ($curargs{$1}) {
+ $new .= "ord('\$$1')";
+ } else {
+ $new .= "ord('$1')";
+ }
+ next;
+ };
+ # replace "sizeof(foo)" with "{foo}"
+ # also, remove * (C dereference operator) to avoid perl syntax
+ # problems. Where the %sizeof array comes from is anyone's
+ # guess (c2ph?), but this at least avoids fatal syntax errors.
+ # Behavior is undefined if sizeof() delimiters are unbalanced.
+ # This code was modified to able to handle constructs like this:
+ # sizeof(*(p)), which appear in the HP-UX 10.01 header files.
+ s/^sizeof\s*\(// && do {
+ $new .= '$sizeof';
+ my $lvl = 1; # already saw one open paren
+ # tack { on the front, and skip it in the loop
+ $_ = "{" . "$_";
+ my $index = 1;
+ # find balanced closing paren
+ while ($index <= length($_) && $lvl > 0) {
+ $lvl++ if substr($_, $index, 1) eq "(";
+ $lvl-- if substr($_, $index, 1) eq ")";
+ $index++;
+ }
+ # tack } on the end, replacing )
+ substr($_, $index - 1, 1) = "}";
+ # remove pesky * operators within the sizeof argument
+ substr($_, 0, $index - 1) =~ s/\*//g;
+ next;
+ };
+ # Eliminate typedefs
+ /\(([\w\s]+)[\*\s]*\)\s*[\w\(]/ && do {
+ my $doit = 1;
+ foreach (split /\s+/, $1) { # Make sure all the words are types,
+ unless($isatype{$_} or $_ eq 'struct' or $_ eq 'union'){
+ $doit = 0;
+ last;
+ }
+ }
+ if( $doit ){
+ s/\([\w\s]+[\*\s]*\)// && next; # then eliminate them.
+ }
+ };
+ # struct/union member, including arrays:
+ s/^([_A-Z]\w*(\[[^\]]+\])?((\.|->)[_A-Z]\w*(\[[^\]]+\])?)+)//i && do {
+ my $id = $1;
+ $id =~ s/(\.|(->))([^\.\-]*)/->\{$3\}/g;
+ $id =~ s/\b([^\$])($joined_args)/$1\$$2/g if length($joined_args);
+ while($id =~ /\[\s*([^\$\&\d\]]+)\]/) {
+ my($index) = $1;
+ $index =~ s/\s//g;
+ if(exists($curargs{$index})) {
+ $index = "\$$index";
+ } else {
+ $index = "&$index";
+ }
+ $id =~ s/\[\s*([^\$\&\d\]]+)\]/[$index]/;
+ }
+ $new .= " (\$$id)";
+ };
+ s/^([_a-zA-Z]\w*)// && do {
+ my $id = $1;
+ if ($id eq 'struct' || $id eq 'union') {
+ s/^\s+(\w+)//;
+ $id .= ' ' . $1;
+ $isatype{$id} = 1;
+ } elsif ($id =~ /^((un)?signed)|(long)|(short)$/) {
+ while (s/^\s+(\w+)//) { $id .= ' ' . $1; }
+ $isatype{$id} = 1;
+ }
+ if ($curargs{$id}) {
+ $new .= "\$$id";
+ $new .= '->' if /^[\[\{]/;
+ } elsif ($id eq 'defined') {
+ $new .= 'defined';
+ } elsif (/^\s*\(/) {
+ s/^\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 {
+ $new .= q(').$id.q(');
+ }
+ } else {
+ if ($inif && $new !~ /defined\s*\($/) {
+ $new .= '(defined(&' . $id . ') ? &' . $id . ' : undef)';
+ } elsif (/^\[/) {
+ $new .= " \$$id";
+ } else {
+ $new .= ' &' . $id;
+ }
+ }
+ next;
+ };
+ s/^(.)// && do { if ($1 ne '#') { $new .= $1; } next;};
+ }
+}
+
+
+sub next_line
+{
+ my $file = shift;
+ my ($in, $out);
+ my $pre_sub_tri_graphs = 1;
+
+ READ: while (not eof IN) {
+ $in .= <IN>;
+ chomp $in;
+ next unless length $in;
+
+ while (length $in) {
+ if ($pre_sub_tri_graphs) {
+ # Preprocess all tri-graphs
+ # including things stuck in quoted string constants.
+ $in =~ s/\?\?=/#/g; # | ??=| #|
+ $in =~ s/\?\?\!/|/g; # | ??!| ||
+ $in =~ s/\?\?'/^/g; # | ??'| ^|
+ $in =~ s/\?\?\(/[/g; # | ??(| [|
+ $in =~ s/\?\?\)/]/g; # | ??)| ]|
+ $in =~ s/\?\?\-/~/g; # | ??-| ~|
+ $in =~ s/\?\?\//\\/g; # | ??/| \|
+ $in =~ s/\?\?</{/g; # | ??<| {|
+ $in =~ s/\?\?>/}/g; # | ??>| }|
+ }
+ if ($in =~ /^\#ifdef __LANGUAGE_PASCAL__/) {
+ # Tru64 disassembler.h evilness: mixed C and Pascal.
+ while (<IN>) {
+ last if /^\#endif/;
+ }
+ $in = "";
+ next READ;
+ }
+ if ($in =~ /^extern inline / && # Inlined assembler.
+ $^O eq 'linux' && $file =~ m!(?:^|/)asm/[^/]+\.h$!) {
+ while (<IN>) {
+ last if /^}/;
+ }
+ $in = "";
+ next READ;
+ }
+ if ($in =~ s/\\$//) { # \-newline
+ $out .= ' ';
+ next READ;
+ } elsif ($in =~ s/^([^"'\\\/]+)//) { # Passthrough
+ $out .= $1;
+ } elsif ($in =~ s/^(\\.)//) { # \...
+ $out .= $1;
+ } elsif ($in =~ /^'/) { # '...
+ if ($in =~ s/^('(\\.|[^'\\])*')//) {
+ $out .= $1;
+ } else {
+ next READ;
+ }
+ } elsif ($in =~ /^"/) { # "...
+ if ($in =~ s/^("(\\.|[^"\\])*")//) {
+ $out .= $1;
+ } else {
+ next READ;
+ }
+ } elsif ($in =~ s/^\/\/.*//) { # //...
+ # fall through
+ } elsif ($in =~ m/^\/\*/) { # /*...
+ # C comment removal adapted from perlfaq6:
+ if ($in =~ s/^\/\*[^*]*\*+([^\/*][^*]*\*+)*\///) {
+ $out .= ' ';
+ } else { # Incomplete /* */
+ next READ;
+ }
+ } elsif ($in =~ s/^(\/)//) { # /...
+ $out .= $1;
+ } elsif ($in =~ s/^([^\'\"\\\/]+)//) {
+ $out .= $1;
+ } elsif ($^O eq 'linux' &&
+ $file =~ m!(?:^|/)linux/byteorder/pdp_endian\.h$! &&
+ $in =~ s!\'T KNOW!!) {
+ $out =~ s!I DON$!I_DO_NOT_KNOW!;
+ } else {
+ if ($opt_e) {
+ warn "Cannot parse $file:\n$in\n";
+ $bad_file{$file} = 1;
+ $in = '';
+ $out = undef;
+ last READ;
+ } else {
+ die "Cannot parse:\n$in\n";
+ }
+ }
+ }
+
+ last READ if $out =~ /\S/;
+ }
+
+ return $out;
+}
+
+
+# Handle recursive subdirectories without getting a grotesquely big stack.
+# Could this be implemented using File::Find?
+sub next_file
+{
+ my $file;
+
+ while (@ARGV) {
+ $file = shift @ARGV;
+
+ if ($file eq '-' or -f $file or -l $file) {
+ return $file;
+ } elsif (-d $file) {
+ if ($opt_r) {
+ expand_glob($file);
+ } else {
+ print STDERR "Skipping directory `$file'\n";
+ }
+ } elsif ($opt_a) {
+ return $file;
+ } else {
+ print STDERR "Skipping `$file': not a file or directory\n";
+ }
+ }
+
+ return undef;
+}
+
+
+# Put all the files in $directory into @ARGV for processing.
+sub expand_glob
+{
+ my ($directory) = @_;
+
+ $directory =~ s:/$::;
+
+ opendir DIR, $directory;
+ foreach (readdir DIR) {
+ next if ($_ eq '.' or $_ eq '..');
+
+ # expand_glob() is going to be called until $ARGV[0] isn't a
+ # directory; so push directories, and unshift everything else.
+ if (-d "$directory/$_") { push @ARGV, "$directory/$_" }
+ else { unshift @ARGV, "$directory/$_" }
+ }
+ closedir DIR;
+}
+
+
+# Given $file, a symbolic link to a directory in the C include directory,
+# make an equivalent symbolic link in $Dest_dir, if we can figure out how.
+# Otherwise, just duplicate the file or directory.
+sub link_if_possible
+{
+ my ($dirlink) = @_;
+ my $target = eval 'readlink($dirlink)';
+
+ if ($target =~ m:^\.\./: or $target =~ m:^/:) {
+ # The target of a parent or absolute link could leave the $Dest_dir
+ # hierarchy, so let's put all of the contents of $dirlink (actually,
+ # the contents of $target) into @ARGV; as a side effect down the
+ # line, $dirlink will get created as an _actual_ directory.
+ expand_glob($dirlink);
+ } else {
+ if (-l "$Dest_dir/$dirlink") {
+ unlink "$Dest_dir/$dirlink" or
+ print STDERR "Could not remove link $Dest_dir/$dirlink: $!\n";
+ }
+
+ if (eval 'symlink($target, "$Dest_dir/$dirlink")') {
+ print "Linking $target -> $Dest_dir/$dirlink\n";
+
+ # Make sure that the link _links_ to something:
+ if (! -e "$Dest_dir/$target") {
+ mkpath("$Dest_dir/$target", 0755) or
+ print STDERR "Could not create $Dest_dir/$target/\n";
+ }
+ } else {
+ print STDERR "Could not symlink $target -> $Dest_dir/$dirlink: $!\n";
+ }
+ }
+}
+
+
+# Push all #included files in $file onto our stack, except for STDIN
+# and files we've already processed.
+sub queue_includes_from
+{
+ my ($file) = @_;
+ my $line;
+
+ return if ($file eq "-");
+
+ open HEADER, $file or return;
+ while (defined($line = <HEADER>)) {
+ while (/\\$/) { # Handle continuation lines
+ chop $line;
+ $line .= <HEADER>;
+ }
+
+ if ($line =~ /^#\s*include\s+([<"])(.*?)[>"]/) {
+ my ($delimiter, $new_file) = ($1, $2);
+ # copy the prefix in the quote syntax (#include "x.h") case
+ if ($delimiter eq q{"} && $file =~ m|^(.*)/|) {
+ $new_file = "$1/$new_file";
+ }
+ push(@ARGV, $new_file) unless $Is_converted{$new_file};
+ }
+ }
+ close HEADER;
+}
+
+
+# Determine include directories; $Config{usrinc} should be enough for (all
+# non-GCC?) C compilers, but gcc uses additional include directories.
+sub inc_dirs
+{
+ my $from_gcc = `LC_ALL=C $Config{cc} -v 2>&1`;
+ if( !( $from_gcc =~ s:^Reading specs from (.*?)/specs\b.*:$1/include:s ) )
+ { # gcc-4+ :
+ $from_gcc = `LC_ALL=C $Config{cc} -print-search-dirs 2>&1`;
+ if ( !($from_gcc =~ s/^install:\s*([^\s]+[^\s\/])([\s\/]*).*$/$1\/include/s) )
+ {
+ $from_gcc = '';
+ };
+ };
+ length($from_gcc) ? ($from_gcc, $from_gcc . "-fixed", $Config{usrinc}) : ($Config{usrinc});
+}
+
+
+# Create "_h2ph_pre.ph", if it doesn't exist or was built by a different
+# version of h2ph.
+sub build_preamble_if_necessary
+{
+ # Increment $VERSION every time this function is modified:
+ my $VERSION = 2;
+ my $preamble = "$Dest_dir/_h2ph_pre.ph";
+
+ # Can we skip building the preamble file?
+ if (-r $preamble) {
+ # Extract version number from first line of preamble:
+ open PREAMBLE, $preamble or die "Cannot open $preamble: $!";
+ my $line = <PREAMBLE>;
+ $line =~ /(\b\d+\b)/;
+ close PREAMBLE or die "Cannot close $preamble: $!";
+
+ # Don't build preamble if a compatible preamble exists:
+ return if $1 == $VERSION;
+ }
+
+ my (%define) = _extract_cc_defines();
+
+ open PREAMBLE, ">$preamble" or die "Cannot open $preamble: $!";
+ print PREAMBLE "# This file was created by h2ph version $VERSION\n";
+
+ foreach (sort keys %define) {
+ if ($opt_D) {
+ print PREAMBLE "# $_=$define{$_}\n";
+ }
+ if ($define{$_} =~ /^\((.*)\)$/) {
+ # parenthesized value: d=(v)
+ $define{$_} = $1;
+ }
+ if ($define{$_} =~ /^([+-]?(\d+)?\.\d+([eE][+-]?\d+)?)[FL]?$/) {
+ # float:
+ print PREAMBLE
+ "unless (defined &$_) { sub $_() { $1 } }\n\n";
+ } elsif ($define{$_} =~ /^([+-]?\d+)U?L{0,2}$/i) {
+ # integer:
+ print PREAMBLE
+ "unless (defined &$_) { sub $_() { $1 } }\n\n";
+ } elsif ($define{$_} =~ /^\w+$/) {
+ print PREAMBLE
+ "unless (defined &$_) { sub $_() { &$define{$_} } }\n\n";
+ } else {
+ print PREAMBLE
+ "unless (defined &$_) { sub $_() { \"",
+ quotemeta($define{$_}), "\" } }\n\n";
+ }
+ }
+ print PREAMBLE "\n1;\n"; # avoid 'did not return a true value' when empty
+ close PREAMBLE or die "Cannot close $preamble: $!";
+}
+
+
+# %Config contains information on macros that are pre-defined by the
+# system's compiler. We need this information to make the .ph files
+# function with perl as the .h files do with cc.
+sub _extract_cc_defines
+{
+ my %define;
+ my $allsymbols = join " ",
+ @Config{'ccsymbols', 'cppsymbols', 'cppccsymbols'};
+
+ # Split compiler pre-definitions into `key=value' pairs:
+ while ($allsymbols =~ /([^\s]+)=((\\\s|[^\s])+)/g) {
+ $define{$1} = $2;
+ if ($opt_D) {
+ print STDERR "$_: $1 -> $2\n";
+ }
+ }
+
+ return %define;
+}
+
+
+1;
+
+##############################################################################
+__END__
+
+=head1 NAME
+
+h2ph - convert .h C header files to .ph Perl header files
+
+=head1 SYNOPSIS
+
+B<h2ph [-d destination directory] [-r | -a] [-l] [headerfiles]>
+
+=head1 DESCRIPTION
+
+I<h2ph>
+converts any C header files specified to the corresponding Perl header file
+format.
+It is most easily run while in /usr/include:
+
+ cd /usr/include; h2ph * sys/*
+
+or
+
+ cd /usr/include; h2ph * sys/* arpa/* netinet/*
+
+or
+
+ cd /usr/include; h2ph -r -l .
+
+The output files are placed in the hierarchy rooted at Perl's
+architecture dependent library directory. You can specify a different
+hierarchy with a B<-d> switch.
+
+If run with no arguments, filters standard input to standard output.
+
+=head1 OPTIONS
+
+=over 4
+
+=item -d destination_dir
+
+Put the resulting B<.ph> files beneath B<destination_dir>, instead of
+beneath the default Perl library location (C<$Config{'installsitearch'}>).
+
+=item -r
+
+Run recursively; if any of B<headerfiles> are directories, then run I<h2ph>
+on all files in those directories (and their subdirectories, etc.). B<-r>
+and B<-a> are mutually exclusive.
+
+=item -a
+
+Run automagically; convert B<headerfiles>, as well as any B<.h> files
+which they include. This option will search for B<.h> files in all
+directories which your C compiler ordinarily uses. B<-a> and B<-r> are
+mutually exclusive.
+
+=item -l
+
+Symbolic links will be replicated in the destination directory. If B<-l>
+is not specified, then links are skipped over.
+
+=item -h
+
+Put ``hints'' in the .ph files which will help in locating problems with
+I<h2ph>. In those cases when you B<require> a B<.ph> file containing syntax
+errors, instead of the cryptic
+
+ [ some error condition ] at (eval mmm) line nnn
+
+you will see the slightly more helpful
+
+ [ some error condition ] at filename.ph line nnn
+
+However, the B<.ph> files almost double in size when built using B<-h>.
+
+=item -D
+
+Include the code from the B<.h> file as a comment in the B<.ph> file.
+This is primarily used for debugging I<h2ph>.
+
+=item -Q
+
+``Quiet'' mode; don't print out the names of the files being converted.
+
+=back
+
+=head1 ENVIRONMENT
+
+No environment variables are used.
+
+=head1 FILES
+
+ /usr/include/*.h
+ /usr/include/sys/*.h
+
+etc.
+
+=head1 AUTHOR
+
+Larry Wall
+
+=head1 SEE ALSO
+
+perl(1)
+
+=head1 DIAGNOSTICS
+
+The usual warnings if it can't read or write the files involved.
+
+=head1 BUGS
+
+Doesn't construct the %sizeof array for you.
+
+It doesn't handle all C constructs, but it does attempt to isolate
+definitions inside evals so that you can get at the definitions
+that it can translate.
+
+It's only intended as a rough tool.
+You may need to dicker with the files produced.
+
+You have to run this program by hand; it's not run as part of the Perl
+installation.
+
+Doesn't handle complicated expressions built piecemeal, a la:
+
+ enum {
+ FIRST_VALUE,
+ SECOND_VALUE,
+ #ifdef ABC
+ THIRD_VALUE
+ #endif
+ };
+
+Doesn't necessarily locate all of your C compiler's internally-defined
+symbols.
+
+=cut
+
+
+__END__
+:endofperl
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