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/*******************************************************************************
* Copyright (c) 2005, 2008 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 - Initial API and implementation
* Bryan Wilkinson (QNX)
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IField;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBase;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPConstructor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPDeferredTemplateInstance;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPField;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.core.parser.util.ObjectMap;
import org.eclipse.cdt.internal.core.dom.parser.ASTInternal;
import org.eclipse.cdt.internal.core.index.IIndexType;
/**
* @author aniefer
*/
public class CPPClassInstance extends CPPInstance implements ICPPClassType, ICPPInternalClassType {
private CPPClassSpecializationScope instanceScope;
/**
* @param decl
* @param args
* @param arguments
*/
public CPPClassInstance(ICPPScope scope, IBinding decl, ObjectMap argMap, IType[] args) {
super(scope, decl, argMap, args);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getBases()
*/
public ICPPBase[] getBases() throws DOMException {
ICPPClassType cls = (ICPPClassType) getSpecializedBinding();
if (cls != null) {
ICPPBase[] result = null;
ICPPBase[] bindings = cls.getBases();
for (int i = 0; i < bindings.length; i++) {
ICPPBase specBinding = (ICPPBase) ((ICPPInternalBase) bindings[i]).clone();
IBinding base = bindings[i].getBaseClass();
if (base instanceof IType) {
IType specBase = CPPTemplates.instantiateType((IType) base, argumentMap);
specBase = CPPSemantics.getUltimateType(specBase, false);
if (specBase instanceof IBinding) {
((ICPPInternalBase) specBinding).setBaseClass((IBinding) specBase);
}
result = (ICPPBase[]) ArrayUtil.append(ICPPBase.class, result, specBinding);
}
}
return (ICPPBase[]) ArrayUtil.trim(ICPPBase.class, result);
}
return ICPPBase.EMPTY_BASE_ARRAY;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#getFields()
*/
public IField[] getFields() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#findField(java.lang.String)
*/
public IField findField(String name) throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getDeclaredFields()
*/
public ICPPField[] getDeclaredFields() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getMethods()
*/
public ICPPMethod[] getMethods() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getAllDeclaredMethods()
*/
public ICPPMethod[] getAllDeclaredMethods() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getDeclaredMethods()
*/
public ICPPMethod[] getDeclaredMethods() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getConstructors()
*/
public ICPPConstructor[] getConstructors() throws DOMException {
CPPClassSpecializationScope scope = (CPPClassSpecializationScope) getCompositeScope();
if (scope.isFullyCached())
return scope.getConstructors();
return ICPPConstructor.EMPTY_CONSTRUCTOR_ARRAY;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType#getFriends()
*/
public IBinding[] getFriends() throws DOMException {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#getKey()
*/
public int getKey() throws DOMException {
return ((ICPPClassType) getSpecializedBinding()).getKey();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.ICompositeType#getCompositeScope()
*/
public IScope getCompositeScope() {
if (instanceScope == null) {
instanceScope = new CPPClassSpecializationScope(this);
}
return instanceScope;
}
/* (non-Javadoc)
* @see java.lang.Object#clone()
*/
@Override
public Object clone() {
return this;
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.dom.ast.IType#isSameType(org.eclipse.cdt.core.dom.ast.IType)
*/
public boolean isSameType(IType type) {
if (type == this)
return true;
if (type instanceof ITypedef || type instanceof IIndexType)
return type.isSameType(this);
if (type instanceof ICPPDeferredTemplateInstance && type instanceof ICPPClassType)
return type.isSameType(this); // the CPPDeferredClassInstance has some fuzziness
if (type instanceof ICPPTemplateInstance) {
ICPPClassType ct1= (ICPPClassType) getSpecializedBinding();
ICPPClassType ct2= (ICPPClassType) ((ICPPTemplateInstance) type).getTemplateDefinition();
if (!ct1.isSameType(ct2))
return false;
ObjectMap m1 = getArgumentMap();
ObjectMap m2 = ((ICPPTemplateInstance) type).getArgumentMap();
if (m1 == null || m2 == null || m1.size() != m2.size())
return false;
for (int i = 0; i < m1.size(); i++) {
IType t1 = (IType) m1.getAt(i);
IType t2 = (IType) m2.getAt(i);
if (t1 == null || !t1.isSameType(t2))
return false;
}
return true;
}
return false;
}
public ICPPClassType[] getNestedClasses() throws DOMException {
return ICPPClassType.EMPTY_CLASS_ARRAY;
}
public ICPPMethod[] getConversionOperators() throws DOMException {
IScope scope = getCompositeScope();
if (scope instanceof CPPClassSpecializationScope) {
if (ASTInternal.isFullyCached(scope))
return ((CPPClassSpecializationScope)scope).getConversionOperators();
}
return ICPPMethod.EMPTY_CPPMETHOD_ARRAY;
}
/**
* Returns a combined argument map of this class and all its base template classes.
* This combined map helps with instantiation of members of template classes that subclass
* other template classes (see AST2TemplateTests#testRebindPattern_214017_2()).
*/
@Override
public ObjectMap getArgumentMap() {
ObjectMap argMap = argumentMap;
List<ICPPSpecialization> bases = null;
try {
for (ICPPBase base : getBases()) {
IBinding baseClass = base.getBaseClass();
if (baseClass instanceof ICPPSpecialization) {
if (bases == null) {
bases = new ArrayList<ICPPSpecialization>();
}
bases.add((ICPPSpecialization) baseClass);
}
}
if (bases != null) {
for (int i = 0; i < bases.size(); i++) {
for (ICPPBase base : ((ICPPClassType) bases.get(i)).getBases()) {
IBinding baseClass = base.getBaseClass();
if (baseClass instanceof ICPPSpecialization) {
bases.add((ICPPSpecialization) baseClass);
}
}
if (bases.size() > 20) { // Protect against cyclic inheritance.
break;
}
}
}
} catch (DOMException e) {
// Ignore
}
if (bases != null) {
for (ICPPSpecialization base : bases) {
// Protect against infinite recursion.
ObjectMap baseArgMap = base instanceof CPPClassInstance ?
((CPPClassInstance) base).argumentMap : base.getArgumentMap();
if (!baseArgMap.isEmpty()) {
if (argMap == argumentMap) {
argMap = (ObjectMap) argumentMap.clone();
}
for (int i = 0; i < baseArgMap.size(); i++) {
Object key = baseArgMap.keyAt(i);
if (!argMap.containsKey(key)) {
argMap.put(key, baseArgMap.getAt(i));
}
}
}
}
}
return argMap;
}
@Override
public boolean equals(Object obj) {
return obj instanceof ICPPClassType && isSameType((ICPPClassType) obj);
}
}
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