# 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
use strict;
use warnings;
use v5.6.0;
+use FileHandle;
use Config;
use Fcntl qw(:DEFAULT :flock);
use File::Temp qw(tempfile);
use Cwd;
-our $VERSION = 2.02;
+our $VERSION = 2.03;
$| = 1;
+$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
our ($Options, $BinPerl, $Backend);
our ($Input => $Output);
+our ($logfh);
+our ($cfile);
# eval { main(); 1 } or die;
main();
-sub main {
+sub main {
parse_argv();
check_write($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");
+# Getopt::Long::Configure("bundling"); turned off. this is silly because
+# it doesn't allow for long switches.
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
+ 'static', # Dirty hack to enable -shared/-static
'shared', # Create a shared library (--shared for compat.)
+ 'log:s' # where to log compilation process information
);
# 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');
- }
- }
+ # 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;
helpme() if opt(h); # And exit
$Output = opt(o) || 'a.out';
+ $Output = relativize($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;
$Input = "-e '".opt(e)."'"; # Quotes eaten by shell
} 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 $Input as input file, ignoring @ARGV\n" if @ARGV;
my ($output_r, $error_r) = spawnit($command);
if (@$error_r && $? != 0) {
- die "$0: $Input did not compile, which can't happen:\n@$error_r\n";
+ _die("$0: $Input did not compile, which can't happen:\n@$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_r or die "can't write $Output: $!";
- close OUT or die "can't close $Output: $!";
+ print OUT @$output_r 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;
}
my $stash = grab_stash();
# What are we going to call our output C file?
- my ($cfile,$cfh);
my $lose = 0;
+ my ($cfh);
+
if (opt(S) || opt(c)) {
# We need to keep it.
if (opt(e)) {
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,$stash) unless opt(c);
if ($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 {
$command .= " -L".$_ for split /\s+/, opt(L);
my @mods = split /-?u /, $stash;
$command .= " ".ExtUtils::Embed::ldopts("-std", \@mods);
- vprint 3, "running cc $command";
- system("cc $command");
+ vprint 3, "running $Config{cc} $command";
+ system("$Config{cc} $command");
}
# Where Perl is, and which include path to give it.
my @error = @$error_r;
if (@error && $? != 0) {
- die "$0: $Input did not compile:\n@error\n";
+ _die("$0: $Input did not compile:\n@error\n");
}
$stash[0] =~ s/,-u\<none\>//;
# 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] [-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);
+}
+
+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 -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
projects / p5sagit/p5-mst-13.2.git / commitdiff