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* 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
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*/
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<>();
}
}
}