- * Nashorn parser API provides interfaces to represent ECMAScript source code - * as abstract syntax trees (AST) and Parser to parse ECMAScript source scripts. - *
- *- * Using parser API user can write Java code to access parse tree - * representation of ECMAScript source. Script source may be a file, - * a URL or a String. Unless stated otherwise null argument in methods of this - * package result in NullPointerException being thrown. - *
- * - *
- *
- * import jdk.nashorn.api.tree.*;
- * import java.io.File;
- *
- * // Simple example that prints warning on 'with' statements
- * public class Main {
- * public static void main(String[] args) throws Exception {
- * // Create a new parser instance
- * Parser parser = Parser.create();
- * File sourceFile = new File(args[0]);
- *
- * // Parse given source File using parse method.
- * // Pass a diagnostic listener to print error messages.
- * CompilationUnitTree cut = parser.parse(sourceFile,
- * (d) -> { System.out.println(d); });
- *
- * if (cut != null) {
- * // call Tree.accept method passing a SimpleTreeVisitor
- * cut.accept(new SimpleTreeVisitor<Void, Void>() {
- * // visit method for 'with' statement
- * public Void visitWith(WithTree wt, Void v) {
- * // print warning on 'with' statement
- * System.out.println("Warning: using 'with' statement!");
- * return null;
- * }
- * }, null);
- * }
- * }
- * }
- *
- *
- *
- * @since 9
- */
-package jdk.nashorn.api.tree;
-