File _service:download_src_package:javac-wrapper of Package java

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File _service:download_src_package:javac-wrapper of Package java

#!/usr/bin/perl -w
use strict;
use constant NO_DUP_ARGS => qw(-source -target -d -encoding);
use constant STRIP_ARGS => qw(-Werror -implicit:none);

my ($ECJ_WARNINGS, $JAVAC_WARNINGS);

if ("no" eq "yes")
{
    $ECJ_WARNINGS="-warn:-deprecation,serial,unused,warningToken";
    $JAVAC_WARNINGS="-Xlint:unchecked,cast,divzero,empty,finally,overrides";
}
else
{
    $ECJ_WARNINGS="-nowarn";
    $JAVAC_WARNINGS="-nowarn";
}

my @bcoption;
push @bcoption, '-bootclasspath', glob '@RT_JAR@'
    unless grep {$_ eq '-bootclasspath'} @ARGV;
my @ecj_parms = ($ECJ_WARNINGS, @bcoption);
my @javac_parms = ($JAVAC_WARNINGS, '-Xprefer:source', '-J-Xmx1024m');

# Work around ecj's inability to handle duplicate command-line
# options and unknown javac options.
sub gen_ecj_opts
{
    my @new_args = @{$_[0]};

for my $opt (NO_DUP_ARGS) 
    {
	my @indices = reverse grep {$new_args[$_] eq $opt} 0..$#new_args;
	if (@indices > 1) {
	    shift @indices;    # keep last instance only
	    splice @new_args, $_, 2 for @indices;
	}
    }

for my $opt (STRIP_ARGS) 
    {
	my @indices = reverse grep {$new_args[$_] eq $opt} 0..$#new_args;
	splice @new_args, $_, 1 for @indices;
    }

return @new_args;
}

if ( -e "/usr/lib/jvm/java-gcj/bin/javac" )
{
	my @ecj_args = gen_ecj_opts( \@ARGV );
	exec '/usr/lib/jvm/java-gcj/bin/javac', @ecj_parms, @ecj_args ;
}
else
{
    my @ecj_args = gen_ecj_opts( \@ARGV );
    my @CLASSPATH = ('/usr/share/java/eclipse-ecj.jar');
    push @CLASSPATH, split /:/, $ENV{"CLASSPATH"} if exists $ENV{"CLASSPATH"};
    $ENV{"CLASSPATH"} = join ':', @CLASSPATH;
    exec '/usr/lib/jvm/java-gcj/bin/java', 'org.eclipse.jdt.internal.compiler.batch.Main', @ecj_parms, @ecj_args;
}

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File _service:download_src_package:javac-wrapper of Package java

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