| /* |
| * Copyright (c) 2015, 2016, 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. |
| */ |
| |
| package compiler.compilercontrol.share.scenario; |
| |
| import compiler.compilercontrol.share.method.MethodDescriptor; |
| import compiler.compilercontrol.share.method.MethodGenerator; |
| import compiler.compilercontrol.share.pool.PoolHelper; |
| import jdk.test.lib.util.Pair; |
| |
| import java.lang.reflect.Executable; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| import java.util.stream.Collectors; |
| |
| public class JcmdStateBuilder implements StateBuilder<JcmdCommand> { |
| private static final List<Pair<Executable, Callable<?>>> METHODS |
| = new PoolHelper().getAllMethods(); |
| private final Map<Executable, State> stateMap = new HashMap<>(); |
| private final DirectiveBuilder directiveBuilder; |
| private final Map<MethodDescriptor, List<CompileCommand>> matchBlocks |
| = new LinkedHashMap<>(); |
| private final List<CompileCommand> inlines = new ArrayList<>(); |
| private boolean isFileValid = true; |
| |
| public JcmdStateBuilder(String fileName) { |
| directiveBuilder = new DirectiveBuilder(fileName); |
| } |
| |
| @Override |
| public void add(JcmdCommand compileCommand) { |
| switch (compileCommand.jcmdType) { |
| case ADD: |
| directiveBuilder.add(compileCommand); |
| addCommand(compileCommand); |
| break; |
| case PRINT: |
| // doesn't change the state |
| break; |
| case CLEAR: |
| matchBlocks.clear(); |
| inlines.clear(); |
| break; |
| case REMOVE: |
| removeDirective(); |
| break; |
| } |
| } |
| |
| private void addCommand(JcmdCommand compileCommand) { |
| isFileValid &= compileCommand.isValid(); |
| MethodDescriptor methodDescriptor = compileCommand.methodDescriptor; |
| |
| switch (compileCommand.command) { |
| case INLINE: |
| case DONTINLINE: |
| inlines.add(compileCommand); |
| break; |
| } |
| for (MethodDescriptor md: matchBlocks.keySet()) { |
| if (methodDescriptor.getCanonicalString().matches(md.getRegexp())) { |
| matchBlocks.get(md).add(compileCommand); |
| } |
| } |
| if (!matchBlocks.containsKey(compileCommand.methodDescriptor)) { |
| List<CompileCommand> commands = new ArrayList<>(); |
| commands.add(compileCommand); |
| matchBlocks.put(compileCommand.methodDescriptor, commands); |
| } |
| } |
| |
| private void removeDirective() { |
| Iterator<MethodDescriptor> iterator = matchBlocks.keySet().iterator(); |
| if (iterator.hasNext()) { |
| MethodDescriptor md = iterator.next(); |
| matchBlocks.remove(md); |
| } |
| } |
| |
| @Override |
| public boolean isValid() { |
| // VM skips invalid directive file added via jcmd command |
| return true; |
| } |
| |
| @Override |
| public Map<Executable, State> getStates() { |
| directiveBuilder.getStates(); |
| for (MethodDescriptor matchDescriptor : matchBlocks.keySet()) { |
| if ("Inlinee.caller()".matches(matchDescriptor.getRegexp()) |
| && !inlines.isEmpty()) { |
| // Got a *.* match block, where inline would be written |
| inlines.clear(); |
| } |
| } |
| /* |
| * Write inline directive in the end to the latest match block |
| * if we didn't do this before |
| * Inlinee caller methods should match this block only |
| */ |
| if (!inlines.isEmpty()) { |
| Pair<Executable, Callable<?>> pair = METHODS.get(0); |
| MethodDescriptor md = MethodGenerator.anyMatchDescriptor( |
| pair.first); |
| CompileCommand cc = new CompileCommand(Command.QUIET, md, |
| null, Scenario.Type.DIRECTIVE); |
| List<CompileCommand> commands = new ArrayList<>(); |
| |
| // Add appropriate "*.*" match block |
| commands.add(cc); |
| matchBlocks.put(md, commands); |
| } |
| if (isFileValid) { |
| // Build states for each method according to match blocks |
| for (Pair<Executable, Callable<?>> pair : METHODS) { |
| State state = getState(pair); |
| if (state != null) { |
| stateMap.put(pair.first, state); |
| } |
| } |
| return stateMap; |
| } else { |
| // return empty map because invalid file doesn't change states |
| return new HashMap<>(); |
| } |
| } |
| |
| private State getState(Pair<Executable, Callable<?>> pair) { |
| State state = null; |
| MethodDescriptor execDesc = MethodGenerator.commandDescriptor( |
| pair.first); |
| boolean isMatchFound = false; |
| |
| if (stateMap.containsKey(pair.first)) { |
| state = stateMap.get(pair.first); |
| } |
| for (MethodDescriptor matchDesc : matchBlocks.keySet()) { |
| if (execDesc.getCanonicalString().matches(matchDesc.getRegexp())) { |
| /* |
| * if executable matches regex |
| * then apply commands from this match to the state |
| */ |
| for (CompileCommand cc : matchBlocks.get(matchDesc)) { |
| if (state == null) { |
| state = new State(); |
| } |
| if (!isMatchFound) { |
| // this is a first found match, apply all commands |
| state.apply(cc); |
| } else { |
| // apply only inline directives |
| switch (cc.command) { |
| case INLINE: |
| case DONTINLINE: |
| state.apply(cc); |
| break; |
| } |
| } |
| } |
| isMatchFound = true; |
| } |
| } |
| return state; |
| } |
| |
| @Override |
| public List<String> getOptions() { |
| return new ArrayList<>(); |
| } |
| |
| @Override |
| public List<JcmdCommand> getCompileCommands() { |
| if (isFileValid) { |
| return matchBlocks.keySet().stream() |
| /* only method descriptor is required |
| to check print_directives */ |
| .map(md -> new JcmdCommand(null, md, null, null, |
| Scenario.JcmdType.ADD)) |
| .collect(Collectors.toList()); |
| } else { |
| return new ArrayList<>(); |
| } |
| } |
| } |