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/*
* Copyright 2008 Google Inc.
*
* 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.ir.ast;
import com.android.jack.Jack;
import com.android.jack.ir.StringInterner;
import com.android.jack.ir.ast.JPrimitiveType.JPrimitiveTypeEnum;
import com.android.jack.ir.sourceinfo.SourceInfo;
import com.android.jack.lookup.CommonTypes;
import com.android.sched.item.Description;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* Base class for any reference type.
*/
@Description("Reference type")
abstract class JReferenceTypeCommon extends JNode implements JReferenceType, CanBeRenamed {
@Nonnull
protected String name;
@CheckForNull
private Object id;
@CheckForNull
private JArrayType array;
public JReferenceTypeCommon(@Nonnull SourceInfo info, @Nonnull String name) {
super(info);
this.name = StringInterner.get().intern(name);
}
@Override
@Nonnull
public String getName() {
return name;
}
@Override
public void setName(@Nonnull String name) {
this.name = StringInterner.get().intern(name);
assert Jack.getSession().getPhantomLookup().check(this);
}
@Nonnull
@Override
public JExpression createDefaultValue(@Nonnull SourceInfo sourceInfo) {
return new JNullLiteral(sourceInfo);
}
@Override
public boolean isExternal() {
return false;
}
protected boolean isTrivialCast(@Nonnull JReferenceType castTo) {
if (this.isSameType(castTo) || castTo.isSameType(
Jack.getSession().getPhantomLookup().getClass(CommonTypes.JAVA_LANG_OBJECT))) {
return true;
}
return false;
}
@CheckForNull
protected static JPrimitiveType getWrappedType(@Nonnull JClassOrInterface type) {
for (JPrimitiveTypeEnum primitiveType : JPrimitiveTypeEnum.values()) {
if (primitiveType.getType().isWrapperType(type)) {
return primitiveType.getType();
}
}
return null;
}
@Override
@Nonnull
public JArrayType getArray() {
if (array == null) {
array = new JArrayType(this);
}
assert array != null;
return array;
}
@Override
public final boolean isSameType(@Nonnull JType type) {
if (type instanceof JReferenceTypeCommon) {
return getId() == ((JReferenceTypeCommon) type).getId();
} else {
return false;
}
}
@Nonnull
private Object getId() {
if (id == null) {
id = Jack.getLookupFormatter().getName(this).intern();
}
return id;
}
}
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