function BuildEvalAction($cmd)
{
static $mapOptNames = array('acc' => 'Accidental', 'pos' => 'Position', 'head' => 'Notehead', 'col' => 'Color');
if (!preg_match('/^([a-z]+)(\\=|\\-\\=|\\+\\=)(.+)$/', $cmd, $m)) {
doHelp("Invalid action string: {$cmd}\n");
}
list($ignore, $option, $op, $val) = $m;
$fldName = nw_aafield($mapOptNames, $option, false);
if (!$fldName) {
doHelp("Invalid option: {$option}\n");
}
if (in_array($op, array('+=', '-='))) {
if (!in_array($option, array('pos', 'col'))) {
doHelp("Invalid cmd: {$cmd}\n");
}
$val = intval($val);
} else {
if (in_array($option, array('pos', 'col'))) {
$val = intval($val);
} else {
if ($option == "acc") {
static $accmap = array("v" => "v", "bb" => "v", "b" => "b", "n" => "n", "#" => "#", "x" => "x");
$val = nw_aafield($accmap, $val, $val);
}
$val = "'{$val}'";
}
}
return '$npObj->' . $fldName . $op . $val . ';';
}
if ($i == 0) {
$userObj->Opts['Pos'] = $notepitchObj->Position;
}
if ($PlayContext->IsTieReceiver($notepitchObj)) {
$WarnAboutInboundTie = true;
}
}
foreach (array('Color', 'Visibility') as $baseprop) {
if (!empty($o->Opts[$baseprop])) {
$userObj->Opts[$baseprop] = $o->Opts[$baseprop];
}
}
if ($ARPEGGIO_SEQUENCE == "down") {
$userObj->Opts['Dir'] = 'down';
}
$chordDurMinRate = nw_aafield($ARPDURConvert, $baseDur, 32) * 4;
$userObj->Opts['Rate'] = max($chordDurMinRate, $ARPEGGIO_DURATION);
echo $userObj->ReconstructClipText() . "\n";
// Now mute the chord
if (empty($o->Opts['Opts'])) {
$o->Opts['Opts'] = array();
}
$o->Opts['Opts']['Muted'] = '';
echo $o->ReconstructClipText() . "\n";
} else {
echo $item;
}
if ($o->GetUserObjType() == 'Arpeggio.ms') {
$ArpeggioAllowedHere = false;
} else {
if (in_array($o->GetObjType(), array('Note', 'Chord', 'Rest', 'RestChord'))) {
