public static  void evaluateNodes(Node.Nodes nodes,
    SmapStratum s,
    HashMap innerClassMap,
    boolean breakAtLF) 
{
        try {
            nodes.visit(new SmapGenVisitor(s, breakAtLF, innerClassMap));
        } catch (JasperException ex) {
        }
}

 public static String[] generateSmap(JspCompilationContext ctxt,
    Node.Nodes pageNodes) throws IOException 
{
    //*********************************************************************
    // Public entry points
        // Scan the nodes for presence of Jasper generated inner classes
        PreScanVisitor psVisitor = new PreScanVisitor();
        try {
            pageNodes.visit(psVisitor);
        } catch (JasperException ex) {
        }
        HashMap map = psVisitor.getMap();
        // set up our SMAP generator
        SmapGenerator g = new SmapGenerator();
        /** Disable reading of input SMAP because:
            1. There is a bug here: getRealPath() is null if .jsp is in a jar
        	Bugzilla 14660.
            2. Mappings from other sources into .jsp files are not supported.
            TODO: fix 1. if 2. is not true.
        // determine if we have an input SMAP
        String smapPath = inputSmapPath(ctxt.getRealPath(ctxt.getJspFile()));
            File inputSmap = new File(smapPath);
            if (inputSmap.exists()) {
                byte[] embeddedSmap = null;
            byte[] subSmap = SDEInstaller.readWhole(inputSmap);
            String subSmapString = new String(subSmap, SMAP_ENCODING);
            g.addSmap(subSmapString, "JSP");
        }
        **/
        // now, assemble info about our own stratum (JSP) using JspLineMap
        SmapStratum s = new SmapStratum("JSP");
        g.setOutputFileName(unqualify(ctxt.getServletJavaFileName()));
        // Map out Node.Nodes
        evaluateNodes(pageNodes, s, map, ctxt.getOptions().getMappedFile());
        s.optimizeLineSection();
        g.addStratum(s, true);
        if (ctxt.getOptions().isSmapDumped()) {
            File outSmap = new File(ctxt.getClassFileName() + ".smap");
            PrintWriter so =
                new PrintWriter(
                    new OutputStreamWriter(
                        new FileOutputStream(outSmap),
                        SMAP_ENCODING));
            so.print(g.getString());
            so.close();
        }
        String classFileName = ctxt.getClassFileName();
        int innerClassCount = map.size();
        String [] smapInfo = new String[2 + innerClassCount*2];
        smapInfo[0] = classFileName;
        smapInfo[1] = g.getString();
        int count = 2;
        Iterator iter = map.entrySet().iterator();
        while (iter.hasNext()) {
            Map.Entry entry = (Map.Entry) iter.next();
            String innerClass = (String) entry.getKey();
            s = (SmapStratum) entry.getValue();
            s.optimizeLineSection();
            g = new SmapGenerator();
            g.setOutputFileName(unqualify(ctxt.getServletJavaFileName()));
            g.addStratum(s, true);
            String innerClassFileName =
                classFileName.substring(0, classFileName.indexOf(".class")) +
                '$" + innerClass + ".class";
            if (ctxt.getOptions().isSmapDumped()) {
                File outSmap = new File(innerClassFileName + ".smap");
                PrintWriter so =
                    new PrintWriter(
                        new OutputStreamWriter(
                            new FileOutputStream(outSmap),
                            SMAP_ENCODING));
                so.print(g.getString());
                so.close();
            }
            smapInfo[count] = innerClassFileName;
            smapInfo[count+1] = g.getString();
            count += 2;
        }
        return smapInfo;
}

Generates an appropriate SMAP representing the current compilation context. (JSR-045.)

 public static  void installSmap(String[] smap) throws IOException 
{
        if (smap == null) {
            return;
        }
        for (int i = 0; i <  smap.length; i += 2) {
            File outServlet = new File(smap[i]);
            SDEInstaller.install(outServlet, smap[i+1].getBytes());
        }
}