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executable file 187 lines (156 sloc) 4.429 kb
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#!/usr/bin/perl -w

$basedir = 'src/processing/core';

@contents = ();

# next slurp methods from PGraphics
open(F, "$basedir/PGraphics.java") || die $!;
foreach $line (<F>) {
    push @contents, $line;
}
close(F);

# PGraphics subclasses PImage.. now get those methods
open(F, "$basedir/PImage.java") || die $!;
foreach $line (<F>) {
    push @contents, $line;
}
close(F);

#open(DEBUG, ">debug.java") || die $!;
#print DEBUG @contents;
#close(DEBUG);
#exit;


open(APPLET, "$basedir/PApplet.java") || die $!;
@applet = <APPLET>;
close(APPLET);


$insert = 'public functions for processing.core';

# an improved version of this would only rewrite if changes made
open(OUT, ">$basedir/PApplet.new") || die $!;
foreach $line (@applet) {
    print OUT $line;
    last if ($line =~ /$insert/);
}

$comments = 0;

while ($line = shift(@contents)) {
    $decl = "";

    if ($line =~ /\/\*/) {
        $comments++;
#print "+[$comments] $line";
    }
    if ($line =~ /\*\//) {
        $comments--;
#print "-[$comments] $line";
    }
    next if ($comments > 0);

    $got_something = 0; # so it's ugly, back off
    $got_static = 0;
    $got_interface = 0;

    if ($line =~ /^\s*public ([\w\[\]]+) [a-zA-z_]+\(.*$/) {
        $got_something = 1;
$got_interface = 1;
    } elsif ($line =~ /^\s*abstract public ([\w\[\]]+) [a-zA-z_]+\(.*$/) {
        $got_something = 1;
    } elsif ($line =~ /^\s*public final ([\w\[\]]+) [a-zA-z_]+\(.*$/) {
        $got_something = 1;
    } elsif ($line =~ /^\s*static public ([\w\[\]]+) [a-zA-z_]+\(.*$/) {
        $got_something = 1;
$got_static = 1;
    }
    # if function is marked "// ignore" then, uh, ignore it.
    if (($got_something == 1) && ($line =~ /\/\/ ignore/)) {
$got_something = 0;
    }
    #if ($line =~ /^\s*public (\w+) [a-zA-z_]+\(.*$/) {
    if ($got_something == 1) {
        if ($1 ne 'void') {
            $returns = 'return ';
        } else {
            $returns = '';
        }

# if ($line =~ /^(\s+)abstract\s+([^;]+);/) {
# $line = $1 . $2 . " {\n";
# #print "found $1\n";
# # hrm
# }
# remove the 'abstract' modifier
$line =~ s/\sabstract\s/ /;

# replace semicolons with a start def
$line =~ s/\;\s*$/ {\n/;

        print OUT "\n\n$line";

# if ($got_interface == 1) {
# $iline = $line;
# $iline =~ s/ \{/\;/;
## print INTF "\n$iline";
# }

        $decl .= $line;
        while (!($line =~ /\)/)) {
            $line = shift (@contents);
            $decl .= $line;
$line =~ s/\;\s*$/ {\n/;
            print OUT $line;

# if ($got_interface == 1) {
# $iline = $line;
# $iline =~ s/ \{/\;/;
## print INTF $iline;
# }
        }

#$g_line = '';
#$r_line = '';

        $decl =~ /\s(\S+)\(/;
        $decl_name = $1;
if ($got_static == 1) {
#print OUT " ${returns}PGraphics.${decl_name}(";
$g_line = " ${returns}PGraphics.${decl_name}(";
} else {
#if ($returns eq '') {
#print OUT " if (recorder != null) recorder.${decl_name}(";
$r_line = " if (recorder != null) recorder.${decl_name}(";
#}
#print OUT " ${returns}g.${decl_name}(";
$g_line = " ${returns}g.${decl_name}(";
}

        $decl =~ s/\s+/ /g; # smush onto a single line
        $decl =~ s/^.*\(//;
        $decl =~ s/\).*$//;

        $prev = 0;
        @parts = split(', ', $decl);
        foreach $part (@parts) {
            #($the_type, $the_arg) = split(' ', $part);
@blargh = split(' ', $part);
$the_arg = $blargh[1];
            $the_arg =~ s/[\[\]]//g;
            if ($prev != 0) {
                #print OUT ", ";
$g_line .= ", ";
$r_line .= ", ";
            }
            #print OUT "${the_arg}";
$g_line .= "${the_arg}";
$r_line .= "${the_arg}";
            $prev = 1;
        }
        #print OUT ");\n";
$g_line .= ");\n";
$r_line .= ");\n";

if (($got_static != 1) && ($returns eq '')) {
print OUT $r_line;
}
print OUT $g_line;
        print OUT " }\n";
    }
}
print OUT "}\n";
#print INTF "}\n";

close(OUT);
#close(INTF);

$oldguy = join(' ', @applet);

open(NEWGUY, "$basedir/PApplet.new") || die $!;
@newbie = <NEWGUY>;
$newguy = join(' ', @newbie);
close(NEWGUY);

if ($oldguy ne $newguy) {
    # replace him
    print "updating PApplet with PGraphics api changes\n";
    `mv $basedir/PApplet.new $basedir/PApplet.java`;
} else {
    # just kill the new guy
    #print "no changes to applet\n";
    `rm -f $basedir/PApplet.new`;
}
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