| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.netbeans.modules.groovy.debug; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.WeakHashMap; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import java.util.stream.Collectors; |
| |
| import org.netbeans.api.debugger.jpda.CallStackFrame; |
| import org.netbeans.api.debugger.jpda.JPDAStep; |
| import org.netbeans.api.debugger.jpda.JPDAThread; |
| import org.netbeans.api.debugger.jpda.SmartSteppingFilter; |
| import org.netbeans.spi.debugger.ContextProvider; |
| import org.netbeans.spi.debugger.jpda.SmartSteppingCallback; |
| |
| /** |
| * Stepping in Groovy, steps through the language implementation. |
| */ |
| @SmartSteppingCallback.Registration(path="netbeans-JPDASession") |
| public class GroovySmartStepping extends SmartSteppingCallback { |
| |
| private static final String[] GROOVY_PACKAGES = { "org.codehaus.groovy.", "org.apache.groovy.", "groovy.", "groovyjar" }; // NOI18N |
| private static final Set<String> PATTERNS_SKIP_IN_GROOVY = Collections.unmodifiableSet(new HashSet<>(Arrays.asList("java.", "jdk.internal.", "sun.", "com.sun."))); // NOI18N |
| private static final Set<String> FILTERS_SKIP_IN_GROOVY = PATTERNS_SKIP_IN_GROOVY.stream().map(pattern -> pattern + '*').collect(Collectors.toSet()); |
| |
| private static final Logger logger = Logger.getLogger(GroovySmartStepping.class.getName()); |
| |
| private final Map<SmartSteppingFilter, Boolean> steppingInGroovy = Collections.synchronizedMap(new WeakHashMap<>()); |
| |
| @Override |
| public void initFilter (SmartSteppingFilter filter) { |
| } |
| |
| @Override |
| public boolean stopHere (ContextProvider lookupProvider, JPDAThread thread, SmartSteppingFilter filter) { |
| return true; |
| } |
| |
| @Override |
| public StopOrStep stopAt(ContextProvider lookupProvider, CallStackFrame frame, SmartSteppingFilter filter) { |
| String className = frame.getClassName(); |
| if (logger.isLoggable(Level.FINE)) { |
| logger.fine("GroovySmartStepping.stopAt("+className+")"); |
| } |
| JPDAThread thread = frame.getThread(); |
| boolean inGroovy = false; |
| for (String gp : GROOVY_PACKAGES) { |
| if (className.startsWith(gp)) { |
| inGroovy = true; |
| steppingInGroovy.put(filter, true); |
| break; |
| } |
| } |
| if (inGroovy) { |
| // We need to step through the Groovy packages |
| logger.fine(" => In Groovy: Step In"); |
| return StopOrStep.step(0, JPDAStep.STEP_INTO); |
| } |
| if (Boolean.TRUE.equals(steppingInGroovy.get(filter))) { |
| if (isPackageToSkip(className)) { |
| logger.fine(" => Was In Groovy: Step In"); |
| filter.addExclusionPatterns(FILTERS_SKIP_IN_GROOVY); |
| return StopOrStep.step(0, JPDAStep.STEP_INTO); |
| } else { |
| logger.fine(" => FINISHED, stop"); |
| return StopOrStep.stop(); |
| } |
| } else { |
| logger.fine(" => FINISHED (no Groovy), stop"); |
| return StopOrStep.stop(); |
| } |
| } |
| |
| private static boolean isPackageToSkip(String className) { |
| for (String pattern : PATTERNS_SKIP_IN_GROOVY) { |
| if (className.startsWith(pattern)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |