Interpreter.java 文件源码

/**
 * Parses a source file using ANTLR4, and walks over the parse tree to
 * interpret this source file as a Java object.
 * 
 * @param path
 *            location of the file
 * @return an interpreted source file, or null in case of an error.
 */
@Nullable
private ReoFile<T> parse(String path) {
    try {
        return parse(new ANTLRFileStream(path), path);
    } catch (IOException e) {
        m.add("Cannot open " + path + ".");
    }
    return null;
}