--- old/src/sample/nashorn/breakcontinue_in_tryfinally.js 2020-04-15 18:52:53.000000000 +0530 +++ /dev/null 2020-04-15 18:52:53.000000000 +0530 @@ -1,129 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// Find break or continue inside try..finally in all scripts -// in a given directory (recursively). If no directory is specified -// the current working directory is scanned for scripts. - -if (arguments.length == 0) { - arguments[0] = "."; -} - -var File = Java.type("java.io.File"); -var file = new File(arguments[0]); -if (!file.exists()) { - print(arguments[0] + " is neither a directory nor a file"); - exit(1); -} - -var Files = Java.type("java.nio.file.Files"); -var Parser = Java.type("jdk.nashorn.api.tree.Parser"); -var SimpleTreeVisitor = Java.type("jdk.nashorn.api.tree.SimpleTreeVisitorES5_1"); - -var parser = Parser.create("-scripting", "--const-as-var"); - -function checkFile(file) { - // print("checking " + file); - var ast = parser.parse(file, print); - if (!ast) { - return; - } - - // locate 'break/continue' inside try..finally - ast.accept(visitor = new (Java.extend(SimpleTreeVisitor)) { - lineMap: null, - inTryFinally: false, - - printWarning: function(node, msg) { - var pos = node.startPosition; - var line = this.lineMap.getLineNumber(pos); - var column = this.lineMap.getColumnNumber(pos); - print(msg + " found in " + file + " @ " + line + ":" + column); - }, - - visitBreak: function(node, extra) { - if (this.inTryFinally) { - this.printWarning(node, "break"); - } - }, - - visitContinue: function(node, extra) { - if (this.inTryFinally) { - this.printWarning(node, "continue"); - } - }, - - visitCompilationUnit: function(node, extra) { - this.lineMap = node.lineMap; - Java.super(visitor).visitCompilationUnit(node, extra); - }, - - visitFunctionDeclaration: function(node, extra) { - var oldInTryFinally = this.inTryFinally; - this.inTryFinally = false; - try { - Java.super(visitor).visitFunctionDeclaration(node, extra); - } finally { - this.inTryFinally = oldInTryFinally; - } - }, - - visitFunctionExpression: function(node, extra) { - var oldInTryFinally = this.inTryFinally; - this.inTryFinally = false; - try { - Java.super(visitor).visitFunctionExpression(node, extra); - } finally { - this.inTryFinally = oldInTryFinally; - } - }, - - visitTry: function(node, extra) { - var oldInTryFinally = this.inTryFinally; - this.inTryFinally = (node.finallyBlock != null); - try { - Java.super(visitor).visitTry(node, extra); - } finally { - this.inTryFinally = oldInTryFinally; - } - } - }, null); -} - - -if (file.isDirectory()) { - Files.walk(file.toPath()) - .filter(function(p) Files.isRegularFile(p)) - .filter(function(p) p.toFile().name.endsWith('.js')) - .forEach(checkFile); -} else { - checkFile(file); -}