| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.google.devtools.build.docgen; |
| |
| import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider; |
| import com.google.devtools.build.lib.packages.RuleClass; |
| import com.google.devtools.build.lib.packages.RuleClassProvider; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.util.Map; |
| |
| /** |
| * Prints out list of known rules. |
| */ |
| public class ListRuleMain { |
| |
| private static ConfiguredRuleClassProvider createRuleClassProvider(String classProvider) |
| throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, |
| IllegalAccessException { |
| Class<?> providerClass = Class.forName(classProvider); |
| Method createMethod = providerClass.getMethod("create"); |
| return (ConfiguredRuleClassProvider) createMethod.invoke(null); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length == 0) { |
| System.err.println( |
| "Expected one input parameter, please provide the name of the rule class provider"); |
| } |
| |
| RuleClassProvider provider = createRuleClassProvider(args[0]); |
| Map<String, RuleClass> rcMap = provider.getRuleClassMap(); |
| for (String name : rcMap.keySet()) { |
| System.out.println(name); |
| } |
| } |
| } |