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// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.utils;
import com.android.tools.r8.Resource;
import com.android.tools.r8.errors.CompilationError;
import com.android.tools.r8.graph.ClassKind;
import com.android.tools.r8.graph.DexApplication;
import com.android.tools.r8.graph.DexLibraryClass;
import com.android.tools.r8.logging.Log;
/** Represents a collection of library classes. */
public class LibraryClassCollection extends ClassMap<DexLibraryClass> {
public LibraryClassCollection(ClassProvider<DexLibraryClass> classProvider) {
super(null, classProvider);
}
@Override
DexLibraryClass resolveClassConflict(DexLibraryClass a, DexLibraryClass b) {
if (a.origin != Resource.Kind.CLASSFILE || b.origin != Resource.Kind.CLASSFILE) {
// We only support conflicts for classes both coming from jar files.
throw new CompilationError(
"Library type already present: " + a.type.toSourceString());
}
if (Log.ENABLED) {
Log.warn(DexApplication.class,
"Class `%s` was specified twice as a library type.", a.type.toSourceString());
}
return a;
}
@Override
ClassKind getClassKind() {
return ClassKind.LIBRARY;
}
@Override
public String toString() {
return "library classes: " + super.toString();
}
}
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