path: root/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPBaseClause.java

/*******************************************************************************
 * Copyright (c) 2004, 2014 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 Corporation) - initial API and implementation
 *	   Bryan Wilkinson (QNX)
 *     Markus Schorn (Wind River Systems)
 *     Nathan Ridge
 *     Sergey Prigogin (Google)
 *******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;

import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.TDEF;
import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil.getNestedType;

import org.eclipse.cdt.core.dom.IName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IProblemBinding;
import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier.ICPPASTBaseSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTNameSpecifier;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBase;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;

public class CPPBaseClause implements ICPPBase, ICPPInternalBase {
	private final ICPPASTBaseSpecifier base;
	private IType baseClass;
	private boolean inheritedConstructorsSource;

	public CPPBaseClause(ICPPASTBaseSpecifier base) {
		this.base = base;
	}

	@Override
	public IBinding getBaseClass() {
		IType type = getBaseClassType();
		type = getNestedType(type, TDEF);
		if (type instanceof IBinding)
			return (IBinding) type;
		return null;
	}

	@Override
	public IType getBaseClassType() {
		if (baseClass == null) {
			ICPPASTNameSpecifier nameSpec = base.getNameSpecifier();
			IBinding b = nameSpec.resolveBinding();
			if (b instanceof IProblemBinding) {
				baseClass = new CPPClassType.CPPClassTypeProblem(nameSpec, ((IProblemBinding) b).getID());
			} else if (!(b instanceof IType)) {
				baseClass = new CPPClassType.CPPClassTypeProblem(nameSpec, ISemanticProblem.BINDING_NO_CLASS);
			} else {
				baseClass = (IType) b;
				IType check = getNestedType(baseClass, TDEF);
				if (!(check instanceof ICPPClassType || check instanceof ICPPUnknownType)) {
					baseClass = new CPPClassType.CPPClassTypeProblem(nameSpec, ISemanticProblem.BINDING_NO_CLASS);
				}
			}
			if (base.isPackExpansion()) {
				baseClass = new CPPParameterPackType(baseClass);
			}
		}
		return baseClass;
	}

	@Override
	public int getVisibility() {
		int vis = base.getVisibility();

		if (vis == 0) {
			ICPPASTCompositeTypeSpecifier compSpec = (ICPPASTCompositeTypeSpecifier) base.getParent();
			vis = compSpec.getKey() == ICPPClassType.k_class ? ICPPBase.v_private : ICPPBase.v_public;
		}
		return vis;
	}

	@Override
	public boolean isVirtual() {
		return base.isVirtual();
	}

	@Override
	public boolean isInheritedConstructorsSource() {
		return inheritedConstructorsSource;
	}

	@Override
	public IName getClassDefinitionName() {
		IASTNode parent = base.getParent();
		if (parent instanceof ICPPASTCompositeTypeSpecifier) {
			return ((ICPPASTCompositeTypeSpecifier) parent).getName();
		}
		return null;
	}

	@Override
	public ICPPBase clone() {
		ICPPBase t = null;
		try {
			t = (ICPPBase) super.clone();
		} catch (CloneNotSupportedException e) {
			// Not going to happen.
		}
		return t;
	}

	@Override
	public void setBaseClass(IBinding cls) {
		if (cls instanceof IType)
			baseClass = (IType) cls;
	}

	@Override
	public void setBaseClass(IType cls) {
		baseClass = cls;
	}

	public void setInheritedConstructorsSource(boolean value) {
		inheritedConstructorsSource = value;
	}
}