/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for
* bug 407191 - [1.8] Binary access support for type annotations
*******************************************************************************/
package org.eclipse.jdt.internal.core.hierarchy;
import org.eclipse.jdt.core.Signature;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.env.IBinaryAnnotation;
import org.eclipse.jdt.internal.compiler.env.IBinaryField;
import org.eclipse.jdt.internal.compiler.env.IBinaryMethod;
import org.eclipse.jdt.internal.compiler.env.IBinaryNestedType;
import org.eclipse.jdt.internal.compiler.env.IBinaryType;
import org.eclipse.jdt.internal.compiler.env.IBinaryTypeAnnotation;
import org.eclipse.jdt.internal.core.search.indexing.IIndexConstants;
public class HierarchyBinaryType implements IBinaryType {
private int modifiers;
private char[] sourceName;
private char[] name;
private char[] enclosingTypeName;
private char[] superclass;
private char[][] superInterfaces = NoInterface;
private char[][] typeParameterSignatures;
private char[] genericSignature;
public HierarchyBinaryType(int modifiers, char[] qualification, char[] sourceName, char[] enclosingTypeName, char[][] typeParameterSignatures, char typeSuffix){
this.modifiers = modifiers;
this.sourceName = sourceName;
if (enclosingTypeName == null){
this.name = CharOperation.concat(qualification, sourceName, '/');
} else {
this.name = CharOperation.concat(qualification, '/', enclosingTypeName, '$', sourceName); //rebuild A$B name
this.enclosingTypeName = CharOperation.concat(qualification, enclosingTypeName,'/');
CharOperation.replace(this.enclosingTypeName, '.', '/');
}
this.typeParameterSignatures = typeParameterSignatures;
CharOperation.replace(this.name, '.', '/');
}
/**
* @see org.eclipse.jdt.internal.compiler.env.IBinaryType
*/
public IBinaryAnnotation[] getAnnotations() {
return null;
}
/**
* @see org.eclipse.jdt.internal.compiler.env.IBinaryType
*/
public IBinaryTypeAnnotation[] getTypeAnnotations() {
return null;
}
public char[] getEnclosingMethod() {
return null;
}
/**
* Answer the resolved name of the enclosing type in the
* class file format as specified in section 4.2 of the Java 2 VM spec
* or null if the receiver is a top level type.
*
* For example, java.lang.String is java/lang/String.
*/
public char[] getEnclosingTypeName() {
return this.enclosingTypeName;
}
/**
* Answer the receiver's fields or null if the array is empty.
*/
public IBinaryField[] getFields() {
return null;
}
/**
* @see org.eclipse.jdt.internal.compiler.env.IDependent#getFileName()
*/
public char[] getFileName() {
return null;
}
public char[] getGenericSignature() {
if (this.typeParameterSignatures != null && this.genericSignature == null) {
StringBuffer buffer = new StringBuffer();
buffer.append('<');
for (int i = 0, length = this.typeParameterSignatures.length; i < length; i++) {
buffer.append(this.typeParameterSignatures[i]);
}
buffer.append('>');
if (this.superclass == null)
buffer.append(Signature.createTypeSignature("java.lang.Object", true/*resolved*/)); //$NON-NLS-1$
else
buffer.append(Signature.createTypeSignature(this.superclass, true/*resolved*/));
if (this.superInterfaces != null)
for (int i = 0, length = this.superInterfaces.length; i < length; i++)
buffer.append(Signature.createTypeSignature(this.superInterfaces[i], true/*resolved*/));
this.genericSignature = buffer.toString().toCharArray();
CharOperation.replace(this.genericSignature, '.', '/');
}
return this.genericSignature;
}
/**
* Answer the resolved names of the receiver's interfaces in the
* class file format as specified in section 4.2 of the Java 2 VM spec
* or null if the array is empty.
*
* For example, java.lang.String is java/lang/String.
*/
public char[][] getInterfaceNames() {
return this.superInterfaces;
}
/**
* Answer the receiver's nested types or null if the array is empty.
*
* This nested type info is extracted from the inner class attributes.
* Ask the name environment to find a member type using its compound name.
*/
public IBinaryNestedType[] getMemberTypes() {
return null;
}
/**
* Answer the receiver's methods or null if the array is empty.
*/
public IBinaryMethod[] getMethods() {
return null;
}
/**
* @see org.eclipse.jdt.internal.compiler.env.IBinaryType#getMissingTypeNames()
*/
public char[][][] getMissingTypeNames() {
return null;
}
/**
* Answer an int whose bits are set according the access constants
* defined by the VM spec.
*/
public int getModifiers() {
return this.modifiers;
}
/**
* Answer the resolved name of the type in the
* class file format as specified in section 4.2 of the Java 2 VM spec.
*
* For example, java.lang.String is java/lang/String.
*/
public char[] getName() {
return this.name;
}
public char[] getSourceName() {
return this.sourceName;
}
/**
* Answer the resolved name of the receiver's superclass in the
* class file format as specified in section 4.2 of the Java 2 VM spec
* or null if it does not have one.
*
* For example, java.lang.String is java/lang/String.
*/
public char[] getSuperclassName() {
return this.superclass;
}
// TODO (jerome) please verify that we don't need the tagbits for the receiver
public long getTagBits() {
return 0;
}
public boolean isAnonymous() {
return false; // index did not record this information (since unused for hierarchies)
}
/**
* Answer whether the receiver contains the resolved binary form
* or the unresolved source form of the type.
*/
public boolean isBinaryType() {
return true;
}
public boolean isLocal() {
return false; // index did not record this information (since unused for hierarchies)
}
public boolean isMember() {
return false; // index did not record this information (since unused for hierarchies)
}
public void recordSuperType(char[] superTypeName, char[] superQualification, char superClassOrInterface){
// index encoding of p.A$B was B/p.A$, rebuild the proper name
if (superQualification != null){
int length = superQualification.length;
if (superQualification[length-1] == '$'){
char[] enclosingSuperName = CharOperation.lastSegment(superQualification, '.');
superTypeName = CharOperation.concat(enclosingSuperName, superTypeName);
superQualification = CharOperation.subarray(superQualification, 0, length - enclosingSuperName.length - 1);
}
}
if (superClassOrInterface == IIndexConstants.CLASS_SUFFIX){
// interfaces are indexed as having superclass references to Object by default,
// this is an artifact used for being able to query them only.
if (TypeDeclaration.kind(this.modifiers) == TypeDeclaration.INTERFACE_DECL) return;
char[] encodedName = CharOperation.concat(superQualification, superTypeName, '/');
CharOperation.replace(encodedName, '.', '/');
this.superclass = encodedName;
} else {
char[] encodedName = CharOperation.concat(superQualification, superTypeName, '/');
CharOperation.replace(encodedName, '.', '/');
if (this.superInterfaces == NoInterface){
this.superInterfaces = new char[][] { encodedName };
} else {
int length = this.superInterfaces.length;
System.arraycopy(this.superInterfaces, 0, this.superInterfaces = new char[length+1][], 0, length);
this.superInterfaces[length] = encodedName;
}
}
}
/**
* @see org.eclipse.jdt.internal.compiler.env.IBinaryType
*/
public char[] sourceFileName() {
return null;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
if (this.modifiers == ClassFileConstants.AccPublic) {
buffer.append("public "); //$NON-NLS-1$
}
switch (TypeDeclaration.kind(this.modifiers)) {
case TypeDeclaration.CLASS_DECL :
buffer.append("class "); //$NON-NLS-1$
break;
case TypeDeclaration.INTERFACE_DECL :
buffer.append("interface "); //$NON-NLS-1$
break;
case TypeDeclaration.ENUM_DECL :
buffer.append("enum "); //$NON-NLS-1$
break;
}
if (this.name != null) {
buffer.append(this.name);
}
if (this.superclass != null) {
buffer.append("\n extends "); //$NON-NLS-1$
buffer.append(this.superclass);
}
int length;
if (this.superInterfaces != null && (length = this.superInterfaces.length) != 0) {
buffer.append("\n implements "); //$NON-NLS-1$
for (int i = 0; i < length; i++) {
buffer.append(this.superInterfaces[i]);
if (i != length - 1) {
buffer.append(", "); //$NON-NLS-1$
}
}
}
return buffer.toString();
}
}