# Version 2.0, Simon Cozens, Thu Mar 30 17:52:45 JST 2000
# Version 2.01, Tom Christiansen, Thu Mar 30 08:25:14 MST 2000
# Version 2.02, Simon Cozens, Sun Apr 16 01:53:36 JST 2000
+# Version 2.03, Edward Peschko, Mon Feb 26 12:04:17 PST 2001
+# Version 2.04, Enache Adrian,Fri, 18 Jul 2003 23:15:37 +0300
use strict;
use warnings;
-use v5.6.0;
+use 5.006_000;
+use FileHandle;
use Config;
use Fcntl qw(:DEFAULT :flock);
use File::Temp qw(tempfile);
use Cwd;
-our $VERSION = 2.02;
+our $VERSION = 2.04;
$| = 1;
+$SIG{INT} = sub { exit(); }; # exit gracefully and clean up after ourselves.
+
use subs qw{
cc_harness check_read check_write checkopts_byte choose_backend
compile_byte compile_cstyle compile_module generate_code
grab_stash parse_argv sanity_check vprint yclept spawnit
};
sub opt(*); # imal quoting
+sub is_win32();
+sub is_msvc();
our ($Options, $BinPerl, $Backend);
our ($Input => $Output);
+our ($logfh);
+our ($cfile);
+our (@begin_output); # output from BEGIN {}, for testsuite
# eval { main(); 1 } or die;
main();
-sub main {
+sub main {
parse_argv();
check_write($Output);
choose_backend();
generate_code();
- die "XXX: Not reached?";
- exit(0);
+ run_code();
+ _die("XXX: Not reached?");
}
#######################################################################
compile_cstyle();
}
}
+ exit(0) if (!opt('r'));
+}
+sub run_code {
+ vprint 0, "Running code";
+ run("$Output @ARGV");
+ exit(0);
}
# usage: vprint [level] msg args
}
my $msg = "@_";
$msg .= "\n" unless substr($msg, -1) eq "\n";
- print "$0: $msg" if opt(v) > $level;
-}
+ if (opt(v) > $level)
+ {
+ print "$0: $msg" if !opt('log');
+ print $logfh "$0: $msg" if opt('log');
+ }
+}
sub parse_argv {
use Getopt::Long;
- Getopt::Long::Configure("bundling");
+
+ # disallows using long arguments
+ # Getopt::Long::Configure("bundling");
+
Getopt::Long::Configure("no_ignore_case");
# no difference in exists and defined for %ENV; also, a "0"
'L:s', # lib directory
'I:s', # include directories (FOR C, NOT FOR PERL)
'o:s', # Output executable
- 'v+', # Verbosity level
+ 'v:i', # Verbosity level
'e:s', # One-liner
+ 'r', # run resulting executable
'B', # Byte compiler backend
'O', # Optimised C backend
'c', # Compile only
'h', # Help me
'S', # Dump C files
- 's:s', # Dirty hack to enable -shared/-static
+ 'r', # run the resulting executable
+ 'T', # run the backend using perl -T
+ 't', # run the backend using perl -t
+ 'static', # Dirty hack to enable -shared/-static
'shared', # Create a shared library (--shared for compat.)
+ 'log:s', # where to log compilation process information
+ 'Wb:s', # pass (comma-sepearated) options to backend
+ 'testsuite', # try to be nice to testsuite
);
-
- # This is an attempt to make perlcc's arg. handling look like cc.
- if ( opt('s') ) { # must quote: looks like s)foo)bar)!
- if (opt('s') eq 'hared') {
- $Options->{shared}++;
- } elsif (opt('s') eq 'tatic') {
- $Options->{static}++;
- } else {
- warn "$0: Unknown option -s", opt('s');
- }
- }
$Options->{v} += 0;
+ if( opt(t) && opt(T) ) {
+ warn "Can't specify both -T and -t, -t ignored";
+ $Options->{t} = 0;
+ }
+
helpme() if opt(h); # And exit
- $Output = opt(o) || 'a.out';
+ $Output = opt(o) || ( is_win32 ? 'a.exe' : 'a.out' );
+ $Output = is_win32() ? $Output : relativize($Output);
+ $logfh = new FileHandle(">> " . opt('log')) if (opt('log'));
if (opt(e)) {
warn "$0: using -e 'code' as input file, ignoring @ARGV\n" if @ARGV;
# We don't use a temporary file here; why bother?
# XXX: this is not bullet proof -- spaces or quotes in name!
- $Input = "-e '".opt(e)."'"; # Quotes eaten by shell
+ $Input = is_win32() ? # Quotes eaten by shell
+ '-e "'.opt(e).'"' :
+ "-e '".opt(e)."'";
} else {
$Input = shift @ARGV; # XXX: more files?
- die "$0: No input file specified\n" unless $Input;
+ _usage_and_die("$0: No input file specified\n") unless $Input;
# DWIM modules. This is bad but necessary.
$Options->{shared}++ if $Input =~ /\.pm\z/;
warn "$0: using $Input as input file, ignoring @ARGV\n" if @ARGV;
}
sub compile_byte {
- require ByteLoader;
- my $stash = grab_stash();
- my $command = "$BinPerl -MO=Bytecode,$stash $Input";
- # The -a option means we'd have to close the file and lose the
- # lock, which would create the tiniest of races. Instead, append
- # the output ourselves.
- vprint 1, "Writing on $Output";
-
- my $openflags = O_WRONLY | O_CREAT;
- $openflags |= O_BINARY if eval { O_BINARY; 1 };
- $openflags |= O_EXLOCK if eval { O_EXLOCK; 1 };
-
- # these dies are not "$0: .... \n" because they "can't happen"
+ my $command = "$BinPerl -MO=Bytecode,-H,-o$Output $Input";
+ $Input =~ s/^-e.*$/-e/;
- sysopen(OUT, $Output, $openflags)
- or die "can't write to $Output: $!";
+ my ($output_r, $error_r) = spawnit($command);
- # this is blocking; hold on; why are we doing this??
- # flock OUT, LOCK_EX or die "can't lock $Output: $!"
- # unless eval { O_EXLOCK; 1 };
-
- truncate(OUT, 0)
- or die "couldn't trunc $Output: $!";
-
- print OUT <<EOF;
-#!$^X
-use ByteLoader $ByteLoader::VERSION;
-EOF
-
- # Now the compile:
- vprint 1, "Compiling...";
- vprint 3, "Calling $command";
-
- my ($output_r, $error_r) = spawnit($command);
- my @output = @$output_r;
- my @error = @$error_r;
-
- if (@error && $? != 0) {
- die "$0: $Input did not compile, which can't happen:\n@error\n";
+ if (@$error_r && $? != 0) {
+ _die("$0: $Input did not compile:\n@$error_r\n");
+ } else {
+ my @error = grep { !/^$Input syntax OK$/o } @$error_r;
+ warn "$0: Unexpected compiler output:\n@error" if @error;
}
- # Write it and leave.
- print OUT @output or die "can't write $Output: $!";
- close OUT or die "can't close $Output: $!";
-
- # wait, how could it be anything but what you see next?
- chmod 0777 & ~umask, $Output or die "can't chmod $Output: $!";
+ chmod 0777 & ~umask, $Output or _die("can't chmod $Output: $!");
exit 0;
}
sub compile_cstyle {
my $stash = grab_stash();
-
+ my $taint = opt(T) ? '-T' :
+ opt(t) ? '-t' : '';
+
# What are we going to call our output C file?
- my ($cfile,$cfh);
my $lose = 0;
+ my ($cfh);
+ my $testsuite = '';
+ my $addoptions = opt(Wb);
+
+ if( $addoptions ) {
+ $addoptions .= ',' if $addoptions !~ m/,$/;
+ }
+
+ if (opt(testsuite)) {
+ my $bo = join '', @begin_output;
+ $bo =~ s/\\/\\\\\\\\/gs;
+ $bo =~ s/\n/\\n/gs;
+ $bo =~ s/,/\\054/gs;
+ # don't look at that: it hurts
+ $testsuite = q{-fuse-script-name,-fsave-data,-fsave-sig-hash,}.
+ qq[-e"print q{$bo}",] .
+ q{-e"open(Test::Builder::TESTOUT\054 '>&STDOUT') or die $!",} .
+ q{-e"open(Test::Builder::TESTERR\054 '>&STDERR') or die $!",};
+ }
if (opt(S) || opt(c)) {
# We need to keep it.
if (opt(e)) {
# This has to do the write itself, so we can't keep a lock. Life
# sucks.
- my $command = "$BinPerl -MO=$Backend,$max_line_len$stash,-o$cfile $Input";
+ my $command = "$BinPerl $taint -MO=$Backend,$addoptions$testsuite$max_line_len$stash,-o$cfile $Input";
vprint 1, "Compiling...";
vprint 1, "Calling $command";
my @error = @$error_r;
if (@error && $? != 0) {
- die "$0: $Input did not compile, which can't happen:\n@error\n";
+ _die("$0: $Input did not compile, which can't happen:\n@error\n");
}
- cc_harness($cfile,$stash) unless opt(c);
+ is_msvc ?
+ cc_harness_msvc($cfile,$stash) :
+ cc_harness($cfile,$stash) unless opt(c);
if ($lose) {
vprint 2, "unlinking $cfile";
- unlink $cfile or die "can't unlink $cfile: $!" if $lose;
+ unlink $cfile or _die("can't unlink $cfile: $!");
}
- exit(0);
+}
+
+sub cc_harness_msvc {
+ my ($cfile,$stash)=@_;
+ use ExtUtils::Embed ();
+ my $obj = "${Output}.obj";
+ my $compile = ExtUtils::Embed::ccopts." -c -Fo$obj $cfile ";
+ my $link = "-out:$Output $obj";
+ $compile .= " -I".$_ for split /\s+/, opt(I);
+ $link .= " -libpath:".$_ for split /\s+/, opt(L);
+ my @mods = split /-?u /, $stash;
+ $link .= " ".ExtUtils::Embed::ldopts("-std", \@mods);
+ $link .= " perl5$Config{PERL_VERSION}.lib kernel32.lib msvcrt.lib";
+ vprint 3, "running $Config{cc} $compile";
+ system("$Config{cc} $compile");
+ vprint 3, "running $Config{ld} $link";
+ system("$Config{ld} $link");
}
sub cc_harness {
my ($cfile,$stash)=@_;
use ExtUtils::Embed ();
my $command = ExtUtils::Embed::ccopts." -o $Output $cfile ";
- $command .= join " -I", split /\s+/, opt(I);
- $command .= join " -L", split /\s+/, opt(L);
+ $command .= " -I".$_ for split /\s+/, opt(I);
+ $command .= " -L".$_ for split /\s+/, opt(L);
my @mods = split /-?u /, $stash;
- $command .= ExtUtils::Embed::ldopts("-std", \@mods);
- vprint 3, "running cc $command";
- system("cc $command");
+ $command .= " ".ExtUtils::Embed::ldopts("-std", \@mods);
+ $command .= " -lperl";
+ vprint 3, "running $Config{cc} $command";
+ system("$Config{cc} $command");
}
# Where Perl is, and which include path to give it.
warn "already called get_stash once" if $_stash;
- my $command = "$BinPerl -MB::Stash -c $Input";
+ my $taint = opt(T) ? '-T' :
+ opt(t) ? '-t' : '';
+ my $command = "$BinPerl $taint -MB::Stash -c $Input";
# Filename here is perfectly sanitised.
vprint 3, "Calling $command\n";
my @error = @$error_r;
if (@error && $? != 0) {
- die "$0: $Input did not compile:\n@error\n";
+ _die("$0: $Input did not compile:\n@error\n");
}
+ # band-aid for modules with noisy BEGIN {}
+ foreach my $i ( @stash ) {
+ $i =~ m/-u(?:[\w:]+|\<none\>)$/ and $stash[0] = $i and next;
+ push @begin_output, $i;
+ }
+ chomp $stash[0];
$stash[0] =~ s/,-u\<none\>//;
+ $stash[0] =~ s/^.*?-u/-u/s;
vprint 2, "Stash: ", join " ", split /,?-u/, $stash[0];
chomp $stash[0];
return $_stash = $stash[0];
# To wit, (-B|-O) ==> no -shared, no -S, no -c
sub checkopts_byte {
- die "$0: Please choose one of either -B and -O.\n" if opt(O);
+ _die("$0: Please choose one of either -B and -O.\n") if opt(O);
if (opt(shared)) {
warn "$0: Will not create a shared library for bytecode\n";
sub sanity_check {
if ($Input eq $Output) {
if ($Input eq 'a.out') {
- warn "$0: Compiling a.out is probably not what you want to do.\n";
- # You fully deserve what you get now.
+ _die("$0: Compiling a.out is probably not what you want to do.\n");
+ # You fully deserve what you get now. No you *don't*. typos happen.
} else {
warn "$0: Will not write output on top of input file, ",
"compiling to a.out instead\n";
sub check_read {
my $file = shift;
unless (-r $file) {
- die "$0: Input file $file is a directory, not a file\n" if -d _;
+ _die("$0: Input file $file is a directory, not a file\n") if -d _;
unless (-e _) {
- die "$0: Input file $file was not found\n";
+ _die("$0: Input file $file was not found\n");
} else {
- die "$0: Cannot read input file $file: $!\n";
+ _die("$0: Cannot read input file $file: $!\n");
}
}
unless (-f _) {
sub check_write {
my $file = shift;
if (-d $file) {
- die "$0: Cannot write on $file, is a directory\n";
+ _die("$0: Cannot write on $file, is a directory\n");
}
if (-e _) {
- die "$0: Cannot write on $file: $!\n" unless -w _;
+ _die("$0: Cannot write on $file: $!\n") unless -w _;
}
unless (-w cwd()) {
- die "$0: Cannot write in this directory: $!\n"
+ _die("$0: Cannot write in this directory: $!\n");
}
}
warn "$0: Binary `$file' sure doesn't smell like perl source!\n";
print "Checking file type... ";
system("file", $file);
- die "Please try a perlier file!\n";
+ _die("Please try a perlier file!\n");
}
- open(my $handle, "<", $file) or die "XXX: can't open $file: $!";
+ open(my $handle, "<", $file) or _die("XXX: can't open $file: $!");
local $_ = <$handle>;
if (/^#!/ && !/perl/) {
- die "$0: $file is a ", /^#!\s*(\S+)/, " script, not perl\n";
+ _die("$0: $file is a ", /^#!\s*(\S+)/, " script, not perl\n");
}
}
(undef, $errname) = tempfile("pccXXXXX");
{
open (S_OUT, "$command 2>$errname |")
- or die "$0: Couldn't spawn the compiler.\n";
+ or _die("$0: Couldn't spawn the compiler.\n");
@output = <S_OUT>;
}
- open (S_ERROR, $errname) or die "$0: Couldn't read the error file.\n";
+ open (S_ERROR, $errname) or _die("$0: Couldn't read the error file.\n");
@error = <S_ERROR>;
close S_ERROR;
close S_OUT;
- unlink $errname or die "$0: Can't unlink error file $errname";
+ unlink $errname or _die("$0: Can't unlink error file $errname");
return (\@output, \@error);
}
}
}
+sub relativize {
+ my ($args) = @_;
+
+ return() if ($args =~ m"^[/\\]");
+ return("./$args");
+}
+
+sub _die {
+ $logfh->print(@_) if opt('log');
+ print STDERR @_;
+ exit(); # should die eventually. However, needed so that a 'make compile'
+ # can compile all the way through to the end for standard dist.
+}
+
+sub _usage_and_die {
+ _die(<<EOU);
+$0: Usage:
+$0 [-o executable] [-r] [-O|-B|-c|-S] [-I /foo] [-L /foo] [-log log] [source[.pl] | -e oneliner]
+EOU
+}
+
+sub run {
+ my (@commands) = @_;
+
+ print interruptrun(@commands) if (!opt('log'));
+ $logfh->print(interruptrun(@commands)) if (opt('log'));
+}
+
+sub interruptrun
+{
+ my (@commands) = @_;
+
+ my $command = join('', @commands);
+ local(*FD);
+ my $pid = open(FD, "$command |");
+ my $text;
+
+ local($SIG{HUP}) = sub { kill 9, $pid; exit };
+ local($SIG{INT}) = sub { kill 9, $pid; exit };
+
+ my $needalarm =
+ ($ENV{PERLCC_TIMEOUT} &&
+ $Config{'osname'} ne 'MSWin32' &&
+ $command =~ m"(^|\s)perlcc\s");
+
+ eval
+ {
+ local($SIG{ALRM}) = sub { die "INFINITE LOOP"; };
+ alarm($ENV{PERLCC_TIMEOUT}) if ($needalarm);
+ $text = join('', <FD>);
+ alarm(0) if ($needalarm);
+ };
+
+ if ($@)
+ {
+ eval { kill 'HUP', $pid };
+ vprint 0, "SYSTEM TIMEOUT (infinite loop?)\n";
+ }
+
+ close(FD);
+ return($text);
+}
+
+sub is_win32() { $^O =~ m/^MSWin/ }
+sub is_msvc() { is_win32 && $Config{cc} =~ m/^cl/i }
+
+END {
+ unlink $cfile if ($cfile && !opt(S) && !opt(c));
+}
__END__
$ perlcc -e 'print q//' # Compiles a one-liner into 'a.out'
$ perlcc -c -e 'print q//' # Creates a C file 'a.out.c'
-
+
+ $ perlcc -I /foo hello # extra headers (notice the space after -I)
+ $ perlcc -L /foo hello # extra libraries (notice the space after -L)
+
+ $ perlcc -r hello # compiles 'hello' into 'a.out', runs 'a.out'.
+ $ perlcc -r hello a b c # compiles 'hello' into 'a.out', runs 'a.out'.
+ # with arguments 'a b c'
+
+ $ perlcc hello -log c # compiles 'hello' into 'a.out' logs compile
+ # log into 'c'.
+
=head1 DESCRIPTION
F<perlcc> creates standalone executables from Perl programs, using the
Increase verbosity of output; can be repeated for more verbose output.
+=item -r
+
+Run the resulting compiled script after compiling it.
+
+=item -log
+
+Log the output of compiling to a file rather than to stdout.
+
=back
=cut