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/*******************************************************************************
* Copyright (c) 2012 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences.
* 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:
* Thomas Corbat (IFS) - Initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ILinkage;
import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateDeclaration;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateParameter;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPAliasTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.Linkage;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPTemplates;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
import org.eclipse.core.runtime.PlatformObject;
public class CPPAliasTemplate extends PlatformObject
implements ICPPAliasTemplate, ICPPTemplateParameterOwner, ICPPInternalBinding {
private final IASTName aliasName;
private final IType aliasedType;
private ICPPTemplateParameter[] templateParameters;
public CPPAliasTemplate(IASTName aliasName, IType aliasedType) {
this.aliasName = aliasName;
this.aliasedType = aliasedType;
aliasName.setBinding(this);
}
@Override
public IType getType() {
return aliasedType;
}
@Override
public String getName() {
return new String(getNameCharArray());
}
@Override
public char[] getNameCharArray() {
return aliasName.getSimpleID();
}
@Override
public ILinkage getLinkage() {
return Linkage.CPP_LINKAGE;
}
@Override
public IBinding getOwner() {
return CPPVisitor.findDeclarationOwner(aliasName, true);
}
@Override
public IScope getScope() throws DOMException {
return CPPVisitor.getContainingScope(aliasName.getParent());
}
@Override
public boolean isSameType(IType type) {
if (type == null) {
return false;
}
IType aliasedType = getType();
return type.isSameType(aliasedType);
}
@Override
public Object clone() {
IType t = null;
try {
t = (IType) super.clone();
} catch (CloneNotSupportedException e) {
// Not going to happen
}
return t;
}
@Override
public String[] getQualifiedName() throws DOMException {
return CPPVisitor.getQualifiedName(this);
}
@Override
public char[][] getQualifiedNameCharArray() throws DOMException {
return CPPVisitor.getQualifiedNameCharArray(this);
}
@Override
public boolean isGloballyQualified() throws DOMException {
return true;
}
@Override
public ICPPTemplateParameter[] getTemplateParameters() {
if (templateParameters == null) {
ICPPASTTemplateDeclaration template = CPPTemplates.getTemplateDeclaration(aliasName);
if (template == null)
return ICPPTemplateParameter.EMPTY_TEMPLATE_PARAMETER_ARRAY;
ICPPASTTemplateParameter[] params = template.getTemplateParameters();
IBinding p = null;
ICPPTemplateParameter[] result = null;
for (ICPPASTTemplateParameter param : params) {
p= CPPTemplates.getTemplateParameterName(param).resolveBinding();
if (p instanceof ICPPTemplateParameter) {
result = ArrayUtil.append(ICPPTemplateParameter.class, result, (ICPPTemplateParameter) p);
}
}
templateParameters = ArrayUtil.trim(ICPPTemplateParameter.class, result);
}
return templateParameters;
}
@Override
public IBinding resolveTemplateParameter(ICPPTemplateParameter templateParameter) {
int pos= templateParameter.getParameterPosition();
ICPPASTTemplateParameter[] params = CPPTemplates.getTemplateDeclaration(aliasName).getTemplateParameters();
if (pos < params.length) {
final IASTName oName = CPPTemplates.getTemplateParameterName(params[pos]);
return oName.resolvePreBinding();
}
return templateParameter;
}
@Override
public IASTNode getDefinition() {
return aliasName;
}
@Override
public IASTNode[] getDeclarations() {
return null;
}
@Override
public void addDefinition(IASTNode node) {
throw new UnsupportedOperationException();
}
@Override
public void addDeclaration(IASTNode node) {
throw new UnsupportedOperationException();
}
/** For debugging only. */
@Override
public String toString() {
return ASTTypeUtil.getQualifiedName(this) + " -> " + ASTTypeUtil.getType(aliasedType, true); //$NON-NLS-1$
}
}
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