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/*******************************************************************************
* Copyright (c) 2007, 2011 Symbian Software Systems 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:
* Andrew Ferguson (Symbian) - Initial implementation
* Bryan Wilkinson (QNX)
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.index.composite.cpp;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplatePartialSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateDefinition;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.core.index.IIndexBinding;
import org.eclipse.cdt.core.parser.util.ObjectMap;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateParameterMap;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTypeArgument;
import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
import org.eclipse.cdt.internal.core.index.composite.ICompositesFactory;
/**
* For implementation re-use in the absence of multiple inheritance.
*/
public class TemplateInstanceUtil {
public static ICPPTemplateParameterMap getTemplateParameterMap(ICompositesFactory cf, ICPPTemplateInstance rbinding) {
ICPPTemplateParameterMap preresult= rbinding.getTemplateParameterMap();
Integer[] keys= preresult.getAllParameterPositions();
CPPTemplateParameterMap result= new CPPTemplateParameterMap(keys.length);
try {
for (Integer key : keys) {
ICPPTemplateArgument arg= preresult.getArgument(key);
if (arg != null) {
result.put(key, convert(cf, arg));
} else {
ICPPTemplateArgument[] pack= preresult.getPackExpansion(key);
result.put(key, convert(cf, pack));
}
}
} catch (DOMException e) {
CCorePlugin.log(e);
}
return result;
}
public static ICPPTemplateArgument[] getTemplateArguments(ICompositesFactory cf, ICPPTemplateInstance rbinding) {
return convert(cf, rbinding.getTemplateArguments());
}
public static ICPPTemplateArgument[] getTemplateArguments(ICompositesFactory cf, ICPPClassTemplatePartialSpecialization rbinding) {
return convert(cf, rbinding.getTemplateArguments());
}
public static IBinding getSpecializedBinding(ICompositesFactory cf, IIndexBinding rbinding) {
IBinding preresult= ((ICPPSpecialization) rbinding).getSpecializedBinding();
return cf.getCompositeBinding((IIndexFragmentBinding) preresult);
}
public static ICPPTemplateDefinition getTemplateDefinition(ICompositesFactory cf, IIndexBinding rbinding) {
ICPPTemplateDefinition preresult= ((ICPPTemplateInstance)rbinding).getTemplateDefinition();
return (ICPPTemplateDefinition) cf.getCompositeBinding((IIndexFragmentBinding)preresult);
}
public static ICPPTemplateArgument[] convert(ICompositesFactory cf, ICPPTemplateArgument[] arguments) {
if (arguments == null)
return null;
try {
ICPPTemplateArgument[] result= new ICPPTemplateArgument[arguments.length];
for (int i = 0; i < arguments.length; i++) {
result[i]= convert(cf, arguments[i]);
}
return result;
} catch (DOMException e) {
CCorePlugin.log(e);
}
return ICPPTemplateArgument.EMPTY_ARGUMENTS;
}
static ICPPTemplateArgument convert(ICompositesFactory cf, ICPPTemplateArgument arg) throws DOMException {
if (arg == null)
return null;
if (arg.isNonTypeValue()) {
final IType t= arg.getTypeOfNonTypeValue();
final IType t2= cf.getCompositeType(t);
final IValue v= arg.getNonTypeValue();
final IValue v2= cf.getCompositeValue(v);
if (t != t2 || v != v2) {
return new CPPTemplateArgument(v2, t2);
}
return arg;
}
final IType typeValue = arg.getTypeValue();
IType t= cf.getCompositeType(typeValue);
if (t != typeValue) {
return new CPPTemplateTypeArgument(t);
}
return arg;
}
@Deprecated
public static ObjectMap getArgumentMap(ICompositesFactory cf, IIndexBinding rbinding) {
ICPPSpecialization specn= (ICPPSpecialization) rbinding;
IBinding specd= ((CPPCompositesFactory) cf).findOneBinding(specn.getSpecializedBinding());
if (specd == null)
specd= specn.getSpecializedBinding();
ObjectMap preresult= specn.getArgumentMap();
ObjectMap result= new ObjectMap(preresult.size());
Object[] keys= preresult.keyArray();
Object[] keysToAdapt= keys;
if (specd instanceof ICPPTemplateDefinition) {
keysToAdapt= ((ICPPTemplateDefinition) specd).getTemplateParameters();
}
for (int i= 0; i < keys.length && i < keysToAdapt.length; i++) {
IType type= (IType) preresult.get(keys[i]);
result.put(
cf.getCompositeBinding((IIndexFragmentBinding) keysToAdapt[i]), cf.getCompositeType(type));
}
return result;
}
@Deprecated
public static IType[] getArguments(ICompositesFactory cf, ICPPTemplateInstance rbinding) {
return getArguments(cf, rbinding.getArguments());
}
@Deprecated
public static IType[] getArguments(ICompositesFactory cf, ICPPClassTemplatePartialSpecialization rbinding) {
try {
return getArguments(cf, rbinding.getArguments());
} catch (DOMException e) {
CCorePlugin.log(e);
return IType.EMPTY_TYPE_ARRAY;
}
}
@Deprecated
private static IType[] getArguments(ICompositesFactory cf, IType[] result) {
for (int i= 0; i < result.length; i++) {
result[i] = cf.getCompositeType(result[i]);
}
return result;
}
public static ICPPTemplateParameter[] convert(ICompositesFactory cf, ICPPTemplateParameter[] preResult) {
ICPPTemplateParameter[] result= new ICPPTemplateParameter[preResult.length];
for (int i= 0; i < result.length; i++) {
result[i]= (ICPPTemplateParameter) cf.getCompositeBinding((IIndexFragmentBinding) preResult[i]);
}
return result;
}
}
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