Correctly identify errors when parsing erroneous code (make sure flex goes back to INITIAL state when code contains errors that do not allow determining whether ST or IL is being parsed)
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.plcopen.org/xml/tc6.xsd"
xmlns:xhtml="http://www.w3.org/1999/xhtml"
xsi:schemaLocation="http://www.plcopen.org/xml/tc6.xsd http://www.plcopen.org/xml/tc6.xsd">
<fileHeader contentDescription="This tests LD language"
companyName="Beremiz"
companyURL="www.beremiz.org"
productName="BREMIZ"
productRelease="1"
productVersion="1"
creationDateTime="2007-07-07 11:58:26"/>
<contentHeader name="LD_TEST">
<coordinateInfo>
<fbd>
<scaling y="0" x="0"/>
</fbd>
<ld>
<scaling y="0" x="0"/>
</ld>
<sfc>
<scaling y="0" x="0"/>
</sfc>
</coordinateInfo>
</contentHeader>
<types>
<dataTypes/>
<pous>
<pou name="MAIN_TEST" pouType="program">
<interface>
<localVars>
<variable name="QX1" address="%QX1">
<type>
<BOOL/>
</type>
</variable>
<variable name="QX2" address="%QX2">
<type>
<BOOL/>
</type>
</variable>
<variable name="QX3" address="%QX3">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX1" address="%IX1">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX2" address="%IX2">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX3" address="%IX3">
<type>
<BOOL/>
</type>
</variable>
</localVars>
</interface>
<body>
<LD>
</LD>
</body>
</pou>
</pous>
</types>
<instances>
<configurations>
<configuration name="STD_CONF">
<resource name="STD_RESSOURCE">
<task interval="00:00:00.100000" name="STD_TASK" priority="0"/>
<pouInstance type="MAIN_TEST" name="MAIN_INSTANCE"/>
</resource>
</configuration>
</configurations>
</instances>
</project>