Mercurial > jdk8-mips64-public > nashorn / file revision

 /*

  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  * 

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  * 

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  * 

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  * 

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 /**

  * clone_ir : Check that functionNode.clone copies all nodes and that they

  * are not the same references

  *

  * @test

  * @run

  */

 var js1 = "var tuple = { func : function f(x) { if (x) { print('true'); { print('block_under-true'); } } else { print('false'); } } }";

 var Parser            = Java.type("jdk.nashorn.internal.parser.Parser");

 var ASTWriter         = Java.type("jdk.nashorn.internal.ir.debug.ASTWriter");

 var Context           = Java.type("jdk.nashorn.internal.runtime.Context");

 var ScriptEnvironment = Java.type("jdk.nashorn.internal.runtime.ScriptEnvironment");

 var Source            = Java.type("jdk.nashorn.internal.runtime.Source");

 var FunctionNode      = Java.type("jdk.nashorn.internal.ir.FunctionNode");

 var ThrowErrorManager = Java.type("jdk.nashorn.internal.runtime.Context$ThrowErrorManager");

 var System            = Java.type("java.lang.System");

 var toArrayMethod = ASTWriter.class.getMethod("toArray");

 var parseMethod  = Parser.class.getMethod("parse");    

 function toString(obj) {

     var output = "{ ";

     for (property in obj) {

 	output += property + ': ' + obj[property]+'; ';

     }

     return output + '}'

 }

 function flatten(func) {

     var writer   = new ASTWriter(func);

     var funcList = toArrayMethod.invoke(writer);

     var res = [];

     for each (x in funcList) {

 	    res.push({ name: x.getClass().getName(), id: System.identityHashCode(x) });

 	}

     return res;

 }

 function check(contents) {

     return check_src(new Source("<no name>", contents));

 }

 function check_src(src) {

     var parser  = new Parser(Context.getContext().getEnv(), src, new ThrowErrorManager());

     var func = parseMethod.invoke(parser);

     print(func);

     var func2 = func.clone();

     var f1 = flatten(func);

     var f2 = flatten(func2);

     print(f1.map(toString));

     print(f2.map(toString));

     if (f1.length != f2.length) {

 	print("length difference between original and clone " + f1.length + " != " + f2.length);

 	return false;

     }

     for (var i = 0; i < f1.length; i++) {

 	if (f1[i].name !== f2[i].name) {

 	    print("name conflict at " + i + " " + f1[i].name + " != " + f2[i].name);

 	    return false;

 	} else if (f1[i].id === f2[i].id) {

 	    print("id problem at " + i + " " + toString(f1[i]) + " was not deep copied to " + toString(f2[i]) + " became " + f1[i].id + " != " + f2[i].id);

 	    return false;

 	}

     }

     return true;

 }

 print(check(js1));