--- old/src/sample/nashorn/checknames.js 2020-04-15 18:52:57.000000000 +0530 +++ /dev/null 2020-04-15 18:52:57.000000000 +0530 @@ -1,142 +0,0 @@ -/* - * Copyright (c) 2016, 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. - */ - -// Simple Java identifier name pattern checker. You can check -// class, method and variable names in java sources to confirm -// to specified patterns. Default check functions just check for -// 'too short' names. You can customize checkXYZName functions to -// have arbitrary name pattern checks. - -// Usage: jjs checknames.js -- - -if (arguments.length == 0) { - print("Usage: jjs checknames.js -- "); - exit(1); -} - -// Java types used -var File = Java.type("java.io.File"); -var Files = Java.type("java.nio.file.Files"); -var StringArray = Java.type("java.lang.String[]"); -var ToolProvider = Java.type("javax.tools.ToolProvider"); -var Tree = Java.type("com.sun.source.tree.Tree"); -var Trees = Java.type("com.sun.source.util.Trees"); -var TreeScanner = Java.type("com.sun.source.util.TreeScanner"); - -// replace these checkXYZ functions with checks you want! -function checkClassName(name) { - return name.length < 3; -} - -function checkMethodName(name) { - return name.length < 3; -} - -function checkVarName(name) { - return name.length < 3; -} - -function checkNames() { - // get the system compiler tool - var compiler = ToolProvider.systemJavaCompiler; - // get standard file manager - var fileMgr = compiler.getStandardFileManager(null, null, null); - // Using Java.to convert script array (arguments) to a Java String[] - var compUnits = fileMgr.getJavaFileObjects(Java.to(arguments, StringArray)); - // create a new compilation task - var task = compiler.getTask(null, fileMgr, null, null, null, compUnits); - var sourcePositions = Trees.instance(task).sourcePositions; - // subclass SimpleTreeVisitor - var NameChecker = Java.extend(TreeScanner); - - var visitor = new NameChecker() { - report: function(node) { - var pos = sourcePositions.getStartPosition(this.compUnit, node); - var line = this.lineMap.getLineNumber(pos); - var col = this.lineMap.getColumnNumber(pos); - print("Too short name: " + node.name + " @ " + this.fileName + ":" + line + ":" + col); - }, - - // override to capture information on current compilation unit - visitCompilationUnit: function(compUnit, p) { - this.compUnit = compUnit; - this.lineMap = compUnit.lineMap; - this.fileName = compUnit.sourceFile.name; - - return Java.super(visitor).visitCompilationUnit(compUnit, p); - }, - - // override to check class name - visitClass: function(node, p) { - if (checkClassName(node.simpleName.toString())) { - this.report(node); - } - - return Java.super(visitor).visitClass(node, p); - }, - - // override to check method name - visitMethod: function(node, p) { - if (checkMethodName(node.name.toString())) { - this.report(node); - } - - return Java.super(visitor).visitMethod(node, p); - }, - - // override to check variable name - visitVariable: function(node, p) { - if (checkVarName(node.name.toString())) { - this.report(node); - } - - return Java.super(visitor).visitVariable(node, p); - } - } - - for each (var cu in task.parse()) { - cu.accept(visitor, null); - } -} - -// for each ".java" file in directory (recursively). -function main(dir) { - var totalCount = 0; - Files.walk(dir.toPath()). - forEach(function(p) { - var name = p.toFile().absolutePath; - if (name.endsWith(".java")) { - checkNames(p); - } - }); -} - -main(new File(arguments[0]));