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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.android.jack.ecj.loader.jast;
import com.android.jack.ir.ast.JDefinedClass;
import com.android.jack.ir.ast.JDefinedClassOrInterface;
import com.android.jack.ir.ast.JType;
import com.android.jack.lookup.JLookup;
import com.android.jack.lookup.JLookupException;
import com.android.jack.lookup.JNodeLookup;
import org.eclipse.jdt.internal.compiler.batch.ClasspathLocation;
import org.eclipse.jdt.internal.compiler.batch.FileSystem.Classpath;
import org.eclipse.jdt.internal.compiler.batch.FileSystem.ClasspathSectionProblemReporter;
import org.eclipse.jdt.internal.compiler.batch.Main;
import org.eclipse.jdt.internal.compiler.env.AccessRestriction;
import org.eclipse.jdt.internal.compiler.env.AccessRuleSet;
import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
import org.eclipse.jdt.internal.compiler.util.SuffixConstants;
import java.io.File;
import java.util.List;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* Classpath element exposing the content of a jack lookup.
*/
public class JAstClasspath extends ClasspathLocation {
/**
* Jack lookup
*/
@Nonnull
protected final JNodeLookup lookup;
@Nonnull
private final String virtualFilePath;
public JAstClasspath(@Nonnull String virtualFilePath, @Nonnull JNodeLookup lookup,
@CheckForNull AccessRuleSet accessRuleSet) {
super(accessRuleSet, Main.NONE);
this.lookup = lookup;
this.virtualFilePath = virtualFilePath;
}
/**
* {@inheritDoc}
*/
@CheckForNull
@Override
public char[][][] findTypeNames(@CheckForNull String qualifiedPackageName) {
// never called + ecj implementation (3.7.1) always return null
throw new AssertionError("No yet implemented");
}
/**
* {@inheritDoc}
*/
@CheckForNull
@Override
public NameEnvironmentAnswer findClass(
@CheckForNull char[] typeName,
@CheckForNull String qualifiedPackageName,
@CheckForNull String qualifiedBinaryFileName) {
return findClass(typeName, qualifiedPackageName, qualifiedBinaryFileName, false);
}
/**
* {@inheritDoc}
*/
@CheckForNull
@Override
public NameEnvironmentAnswer findClass(
@CheckForNull char[] typeName,
@CheckForNull String qualifiedPackageName,
@CheckForNull String qualifiedBinaryFileName,
boolean asBinaryOnly) {
assert typeName != null;
assert qualifiedBinaryFileName != null;
assert qualifiedPackageName != null;
String simpleName = new String(typeName);
String searchedDescriptor;
if (qualifiedPackageName.isEmpty()) {
searchedDescriptor = "L" + simpleName + ";";
} else {
searchedDescriptor =
"L" + qualifiedPackageName.replace(File.separatorChar, JLookup.PACKAGE_SEPARATOR)
+ JLookup.PACKAGE_SEPARATOR + simpleName + ";";
}
try {
JType type = lookup.getType(searchedDescriptor);
if (type instanceof JDefinedClassOrInterface) {
assert !(type instanceof JDefinedClass
&& ((JDefinedClass) type).getEnclosingMethod() != null);
JDefinedClassOrInterface declaredType = (JDefinedClassOrInterface) type;
AccessRestriction restriction = fetchAccessRestriction(
LoaderUtils.getQualifiedNameFormatter().getName(declaredType)
+ SuffixConstants.SUFFIX_STRING_CLASS);
return new NameEnvironmentAnswer(new JAstBinaryType(declaredType, this), restriction);
} else {
return null;
}
} catch (JLookupException e) {
return null;
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean isPackage(@CheckForNull String qualifiedPackageName) {
assert (qualifiedPackageName != null);
return lookup.isPackageOnPath(
qualifiedPackageName.replace(File.separatorChar, JLookup.PACKAGE_SEPARATOR));
}
/**
* {@inheritDoc}
*/
@CheckForNull
@Override
public List<? extends Classpath> fetchLinkedJars(
@CheckForNull ClasspathSectionProblemReporter problemReporter) {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public void reset() {
// nothing to reset for now
}
/**
* {@inheritDoc}
*/
@Nonnull
@Override
public char[] normalizedPath() {
String path = virtualFilePath.replace(File.separatorChar, '/');
if (path.indexOf('/') < path.indexOf('.')) {
path = path.substring(0, path.indexOf('.'));
}
return path.toCharArray();
}
@CheckForNull
JAstBinaryType findType(@Nonnull JDefinedClassOrInterface type) {
return new JAstBinaryType(type, this);
}
/**
* {@inheritDoc}
*/
@Nonnull
@Override
public String getPath() {
return virtualFilePath;
}
/**
* {@inheritDoc}
*/
@Override
public void initialize() {
}
}
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