MiniJParserTest.java 文件源码

@Test
public void testParseWorkingExamples() throws IOException {
    FileVisitor<Path> workingFilesVisitior = new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            System.out.println("Testing parser input from file \""+file.toString()+"\"");
            ANTLRFileStream antlrStream = new ANTLRFileStream(file.toString());
            MiniJLexer lexer = new MiniJLexer(antlrStream);
            TokenStream tokens = new CommonTokenStream(lexer);
            MiniJParser parser = new MiniJParser(tokens);
            parser.setErrorHandler(new BailErrorStrategy());
            parser.prog();
            return super.visitFile(file, attrs);
        }
    };
    Files.walkFileTree(EXAMPLE_PROGRAM_PATH_WORKING, workingFilesVisitior);
}