RUNTIME: Variable trace now uses limited list and buffer instead of flags in instance tree that was requiring systematical instance tree traversal, and worst size buffer. Forcing and retain still use tree traversal.
<?xml version='1.0' encoding='utf-8'?>
<project xmlns:ns1="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.plcopen.org/xml/tc6_0201">
<fileHeader companyName="Unknown" productName="Unnamed" productVersion="1" creationDateTime="2019-08-06T14:23:42"/>
<contentHeader name="Unnamed" modificationDateTime="2021-09-10T14:17:04">
<coordinateInfo>
<fbd>
<scaling x="5" y="5"/>
</fbd>
<ld>
<scaling x="0" y="0"/>
</ld>
<sfc>
<scaling x="0" y="0"/>
</sfc>
</coordinateInfo>
</contentHeader>
<types>
<dataTypes/>
<pous>
<pou name="MainStuff" pouType="program">
<interface>
<localVars>
<variable name="var0">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="var1">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
</localVars>
</interface>
<body>
<FBD>
<inVariable localId="5" executionOrderId="0" height="30" width="125" negated="false">
<position x="445" y="65"/>
<connectionPointOut>
<relPosition x="125" y="15"/>
</connectionPointOut>
<expression>var0</expression>
</inVariable>
<outVariable localId="10" executionOrderId="0" height="25" width="85" negated="false">
<position x="710" y="105"/>
<connectionPointIn>
<relPosition x="0" y="10"/>
<connection refLocalId="5">
<position x="710" y="115"/>
<position x="640" y="115"/>
<position x="640" y="80"/>
<position x="570" y="80"/>
</connection>
</connectionPointIn>
<expression>var1</expression>
</outVariable>
</FBD>
</body>
</pou>
</pous>
</types>
<instances>
<configurations>
<configuration name="config">
<resource name="resource1">
<task name="task0" priority="0" interval="T#20ms">
<pouInstance name="instance0" typeName="MainStuff"/>
</task>
</resource>
</configuration>
</configurations>
</instances>
</project>