" :\n" +
" ;\n"+
"b : r=a {###"+action+"!!!}\n" +
" ;");
System.out.println(g.toString());
Tool antlr = newTool();
antlr.setOutputDirectory(null); // write to /dev/null
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.setCodeGenerator(generator);
generator.genRecognizer(); // codegen phase sets some vars we need
ST codeST = generator.getRecognizerST();
String code = codeST.render();