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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
* 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.pool.PoolHelper;
import jdk.test.lib.util.Pair;
import java.lang.reflect.Executable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
/**
* An abstract class that builds states by applying
* commands one after another
*/
public abstract class AbstractCommandBuilder
implements StateBuilder<CompileCommand> {
protected static final List<Pair<Executable, Callable<?>>> METHODS
= new PoolHelper().getAllMethods();
protected final List<CompileCommand> compileCommands = new ArrayList<>();
@Override
public void add(CompileCommand command) {
compileCommands.add(command);
CommandStateBuilder.getInstance().add(command);
}
@Override
public Map<Executable, State> getStates() {
return CommandStateBuilder.getInstance().getStates();
}
@Override
public List<CompileCommand> getCompileCommands() {
return Collections.unmodifiableList(compileCommands);
}
@Override
public boolean isValid() {
// -XX:CompileCommand(File) ignores invalid items
return true;
}
/*
* This is an internal class used to build states for commands given from
* options and a file. As all commands are added into a single set in
* CompilerOracle, we need a class that builds states in the same manner
*/
private static class CommandStateBuilder {
private static final CommandStateBuilder INSTANCE
= new CommandStateBuilder();
private final List<CompileCommand> optionCommands = new ArrayList<>();
private final List<CompileCommand> fileCommands = new ArrayList<>();
private CommandStateBuilder() { }
public static CommandStateBuilder getInstance() {
return INSTANCE;
}
public void add(CompileCommand command) {
switch (command.type) {
case OPTION:
optionCommands.add(command);
break;
case FILE:
fileCommands.add(command);
break;
default:
throw new Error("TESTBUG: wrong type: " + command.type);
}
}
public Map<Executable, State> getStates() {
List<CompileCommand> commandList = new ArrayList<>();
commandList.addAll(optionCommands);
commandList.addAll(fileCommands);
Map<Executable, State> states = new HashMap<>();
for (Pair<Executable, Callable<?>> pair : METHODS) {
Executable exec = pair.first;
State state = getState(commandList, exec);
states.put(exec, state);
}
return states;
}
private State getState(List<CompileCommand> commandList,
Executable exec) {
State state = new State();
MethodDescriptor execDesc = new MethodDescriptor(exec);
for (CompileCommand compileCommand : commandList) {
if (compileCommand.isValid()) {
// Create a copy without compiler set
CompileCommand cc = new CompileCommand(
compileCommand.command,
compileCommand.methodDescriptor,
/* CompileCommand option and file doesn't support
compiler setting */
null,
compileCommand.type);
MethodDescriptor md = cc.methodDescriptor;
// if executable matches regex then apply the state
if (execDesc.getCanonicalString().matches(md.getRegexp())) {
if (cc.command == Command.COMPILEONLY
&& !state.isCompilable()) {
/* if the method was already excluded it will not
be compilable again */
} else {
state.apply(cc);
}
}
}
}
/*
* Set compilation states for methods that don't match
* any compileonly command. Such methods should be excluded
* from compilation
*/
for (CompileCommand compileCommand : commandList) {
if (compileCommand.isValid()
&& (compileCommand.command == Command.COMPILEONLY)) {
MethodDescriptor md = compileCommand.methodDescriptor;
if (!execDesc.getCanonicalString().matches(md.getRegexp())
// if compilation state wasn't set before
&& (!state.getCompilableOptional(
// no matter C1, C2 or both
Scenario.Compiler.C2).isPresent())) {
/* compileonly excludes only methods that haven't been
already set to be compilable or excluded */
state.setC1Compilable(false);
state.setC2Compilable(false);
}
}
}
return state;
}
}
}
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