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/*******************************************************************************
* Copyright (c) 2005, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Andrew Niefer (IBM) - Initial API and implementation
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import org.eclipse.cdt.core.dom.ILinkage;
import org.eclipse.cdt.core.dom.ast.DOMException;
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.cpp.ICPPBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.core.parser.util.ArrayUtil;
import org.eclipse.cdt.internal.core.dom.Linkage;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
import org.eclipse.core.runtime.PlatformObject;
/**
* Base class for all specializations in the AST. Note the specialization may also be created on
* behalf of the index. The index may be concurrently be accessed (read-only) from different
* threads. So there is a need to synchronize non-final members.
*/
public abstract class CPPSpecialization extends PlatformObject implements ICPPSpecialization, ICPPInternalBinding {
private final IBinding owner;
private final IBinding specialized;
private final ICPPTemplateParameterMap argumentMap;
protected IASTNode definition;
private IASTNode[] declarations;
public CPPSpecialization(IBinding specialized, IBinding owner, ICPPTemplateParameterMap argumentMap) {
this.specialized = specialized;
this.owner = owner;
this.argumentMap = argumentMap;
}
@Override
public IBinding getSpecializedBinding() {
return specialized;
}
@Override
public IASTNode[] getDeclarations() {
return declarations;
}
@Override
public IASTNode getDefinition() {
return definition;
}
@Override
public void addDefinition(IASTNode node) {
definition = node;
}
@Override
public void addDeclaration(IASTNode node) {
if (declarations == null) {
declarations = new IASTNode[] { node };
} else {
// Keep the lowest offset declaration in [0]
if (declarations.length > 0 && ((ASTNode) node).getOffset() < ((ASTNode) declarations[0]).getOffset()) {
declarations = ArrayUtil.prepend(IASTNode.class, declarations, node);
} else {
declarations = ArrayUtil.append(IASTNode.class, declarations, node);
}
}
}
@Override
public String getName() {
return specialized.getName();
}
@Override
public char[] getNameCharArray() {
return specialized.getNameCharArray();
}
@Override
public IBinding getOwner() {
return owner;
}
@Override
public IScope getScope() throws DOMException {
if (owner instanceof ICPPClassType) {
return ((ICPPClassType) owner).getCompositeScope();
} else if (owner instanceof ICPPNamespace) {
return ((ICPPNamespace) owner).getNamespaceScope();
} else if (owner instanceof ICPPFunction) {
return ((ICPPFunction) owner).getFunctionScope();
}
if (definition != null)
return CPPVisitor.getContainingScope(definition);
if (declarations != null && declarations.length > 0)
return CPPVisitor.getContainingScope(declarations[0]);
return specialized.getScope();
}
@Override
public String[] getQualifiedName() {
return CPPVisitor.getQualifiedName(this);
}
@Override
public char[][] getQualifiedNameCharArray() {
return CPPVisitor.getQualifiedNameCharArray(this);
}
@Override
public boolean isGloballyQualified() throws DOMException {
if (specialized instanceof ICPPBinding)
return ((ICPPBinding) specialized).isGloballyQualified();
return false;
}
@Override
public ILinkage getLinkage() {
return Linkage.CPP_LINKAGE;
}
@Override
public ICPPTemplateParameterMap getTemplateParameterMap() {
return argumentMap;
}
@Override
public String toString() {
StringBuilder result = new StringBuilder(getName());
if (argumentMap != null) {
result.append(" "); //$NON-NLS-1$
result.append(argumentMap.toString());
}
return result.toString();
}
}
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