/*
* Copyright 2014 the original author or authors.
*
* 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 org.gradle.nativeplatform.toolchain.internal.gcc.version;
import org.gradle.process.internal.ExecActionFactory;
import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class CompilerMetaDataProviderFactory {
private final CachingCompilerMetaDataProvider gcc;
private final CachingCompilerMetaDataProvider clang;
public CompilerMetaDataProviderFactory(ExecActionFactory execActionFactory) {
gcc = new CachingCompilerMetaDataProvider(GccVersionDeterminer.forGcc(execActionFactory));
clang = new CachingCompilerMetaDataProvider(GccVersionDeterminer.forClang(execActionFactory));
}
public CompilerMetaDataProvider gcc() {
return gcc;
}
public CompilerMetaDataProvider clang() {
return clang;
}
private static class CachingCompilerMetaDataProvider implements CompilerMetaDataProvider {
private final CompilerMetaDataProvider delegate;
private final Map<Key, GccVersionResult> resultMap = new HashMap<Key, GccVersionResult>();
private CachingCompilerMetaDataProvider(CompilerMetaDataProvider delegate) {
this.delegate = delegate;
}
@Override
public GccVersionResult getGccMetaData(File gccBinary, List<String> additionalArgs) {
Key key = new Key(gccBinary, additionalArgs);
GccVersionResult result = resultMap.get(key);
if (result == null) {
result = delegate.getGccMetaData(gccBinary, additionalArgs);
resultMap.put(key, result);
}
return result;
}
}
private static class Key {
final File gccBinary;
final List<String> args;
private Key(File gccBinary, List<String> args) {
this.gccBinary = gccBinary;
this.args = args;
}
@Override
public boolean equals(Object obj) {
Key other = (Key) obj;
return other.gccBinary.equals(gccBinary) && other.args.equals(args);
}
@Override
public int hashCode() {
return gccBinary.hashCode() ^ args.hashCode();
}
}
}