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/*******************************************************************************
* Copyright (c) 2007, 2008 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.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.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.CPPTemplateArgument;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateParameterMap;
import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
import org.eclipse.cdt.internal.core.index.IIndexType;
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(int i = 0; i < keys.length; i++) {
ICPPTemplateArgument arg= preresult.getArgument(keys[i]);
result.put(keys[i], convert(cf, arg));
}
} catch(DOMException de) {
CCorePlugin.log(de);
}
return result;
}
public static ICPPTemplateArgument[] getTemplateArguments(ICompositesFactory cf, ICPPTemplateInstance rbinding) {
return convert(cf, rbinding.getTemplateArguments());
}
public static ICPPTemplateArgument[] getTemplateArguments(ICompositesFactory cf, ICPPClassTemplatePartialSpecialization rbinding) {
try {
return convert(cf, rbinding.getTemplateArguments());
} catch (DOMException e) {
// index bindings don't throw DOMExceptions
assert false;
}
return ICPPTemplateArgument.EMPTY_ARGUMENTS;
}
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) {
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.isNonTypeValue()) {
return arg;
}
IType t= cf.getCompositeType((IIndexType) arg.getTypeValue());
return new CPPTemplateArgument(t);
}
@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;
try {
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((IIndexType)type));
}
} catch(DOMException de) {
CCorePlugin.log(de);
}
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 de) {
CCorePlugin.log(de);
return IType.EMPTY_TYPE_ARRAY;
}
}
@Deprecated
private static IType[] getArguments(ICompositesFactory cf, IType[] result) {
try {
for(int i=0; i<result.length; i++) {
result[i] = cf.getCompositeType((IIndexType)result[i]);
}
} catch(DOMException de) {
CCorePlugin.log(de);
}
return result;
}
}
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